Haakon Breien Benestad

• Benestad, Haakon Breien (2022). Hvorfor sover vi dårligere når vi blir eldre? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 142(9). doi: 10.4045/tidsskr.22.0253.
• Benestad, Haakon Breien (2022). En tablett to ganger daglig mot koronavirus? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 142(4). doi: 10.4045/tidsskr.22.0065.
• Benestad, Haakon Breien (2022). 0strogen gir mer aktivitet og mindre fedme i mus. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 142(4). doi: 10.4045/tidsskr.21.0890.
• Benestad, Haakon Breien (2022). Nyoppdaget mekanisme for reparasjon av muskelskader. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 142(1). doi: 10.4045/tidsskr.21.0806.
• Benestad, Haakon Breien (2020). Celler kan gjenkjenne bakteriesignaler. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 140(8), s. 1–2. doi: 10.4045/tidsskr.20.0173.
• Benestad, Haakon Breien (2020). Meslinger bryter ned immunitet mot andre infeksjoner. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 140(2). doi: 10.4045/tidsskr.19.0775.
• Benestad, Haakon Breien (2020). Trådløs overvåking av premature. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 140(9), s. 1–2. doi: 10.4045/tidsskr.20.0300.
• Benestad, Haakon Breien (2020). Granulocytter kan fremme virusinfeksjon. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 140(18). doi: 10.4045/tidsskr.20.0880.
• Aas, Sigve Nyvik; Tømmerbakke, Daniel; Godager, Sindre; Nordseth, Martin; Armani, Andrea & Sandri, Marco [Vis alle 8 forfattere av denne artikkelen] (2020). Effects of acute and chronic strength training on skeletal muscle autophagy in frail elderly men and women. Experimental Gerontology. ISSN 0531-5565. 142:111122, s. 1–13. doi: 10.1016/j.exger.2020.111122. Fulltekst i vitenarkiv Vis sammendrag

  Aging is associated with alterations in skeletal muscle autophagy, potentially affecting both muscle mass and quality in a negative manner. Strength training with protein supplementation has been reported to improve both muscle mass and quality in frail elderly individuals, but whether improvements are accompanied by alterations in protein quality control is not known. To address this issue, we investigated protein degradation markers in skeletal muscle biopsies (m. vastus lateralis) from twenty-four frail elderly men and women (86 ± 7 yr) after acute and chronic (10 weeks) strength training with protein supplementation (ST + PRO) or protein supplementation alone (PRO). Acute increases in mRNA expression of genes related to the ubiquitin proteasome system (MuRF-1, MUSA1), autophagy (ATG7, LC3, p62), and mitochondrial fission (DRP1) were observed after the first, but not after the last training session in ST + PRO. Acute changes in gene expression were accompanied by changes in protein levels of both LC3-I and LC3-II. Hence, the acute training-induced activation of proteasomal degradation and autophagy seems to depend on training status, with activation in the untrained, but not trained state. The ten-week training intervention did not affect basal levels of autophagy mRNAs and proteins, and neither markers of the ubiquitin-proteasome system. This suggests that a relatively short period of strength training may not be sufficient to increase the basal rate of protein degradation in frail elderly.

• Benestad, Haakon Breien (2020). Fibrosen rundt implantater kan hemmes. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 140(12), s. 1–2. doi: 10.4045/tidsskr.20.0504.
• Benestad, Haakon Breien (2020). Nyoppdaget mekanisme for luktpersepsjon. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 140(12), s. 1–2. doi: 10.4045/tidsskr.20.0517.
• Benestad, Haakon Breien (2019). Kan serum fra unge «friske opp» hjernen hos eldre? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(16). doi: 10.4045/tidsskr.19.0561.
• Benestad, Haakon Breien (2019). Kulde gir epigenetiske endringer i spermier. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(1). doi: 10.4045/tidsskr.18.0866.
• Benestad, Haakon Breien (2019). Tolkning av EKG med kunstig intelligens. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(6). doi: 10.4045/tidsskr.19.0119.
• Benestad, Haakon Breien (2019). DNA-endringer etter lange opphold i verdensrommet. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(14). doi: 10.4045/tidsskr.19.0469.
• Benestad, Haakon Breien (2019). Humane pancreasceller kan endres til insulinproduserende celler i mus. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(8). doi: 10.4045/tidsskr.19.0236.
• Benestad, Haakon Breien (2019). Anti-IL-23-antistoffer mot prostatakreft? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(2). doi: 10.4045/tidsskr.18.0873.
• Paulsen, Gøran & Benestad, Haakon Breien (2019). Muskelstolhet og rabdomyolyse. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(10). doi: 10.4045/tidsskr.18.0727. Vis sammendrag

  In this clinical review, we propose an alternative mechanism for the pain associated with muscle soreness and compare it to the mechanisms underlying muscle injuries and rhabdomyolysis. This is based on our own experience of research in the field, as well as recent cellular and molecular studies in animal models selected from our personal archives and identified through unstructured searches.

• Hamarsland, Håvard; Johansen, Mathias K.; Seeberg, Fridtjof S.; Brochmann, Marie; Garthe, Ina & Benestad, Haakon Breien [Vis alle 7 forfattere av denne artikkelen] (2019). Native Whey Induces Similar Adaptation to Strength Training as Milk, despite Higher Levels of Leucine, in Elderly Individuals. Nutrients. ISSN 2072-6643. 11(9). doi: 10.3390/nu11092094. Fulltekst i vitenarkiv
• Aas, Sigve Nyvik; Seynnes, Olivier R.; Benestad, Haakon Breien & Raastad, Truls (2019). Strength training and protein supplementation improve muscle mass, strength, and function in mobility-limited older adults: a randomized controlled trial. Aging Clinical and Experimental Research. ISSN 1594-0667. doi: 10.1007/s40520-019-01234-2. Fulltekst i vitenarkiv
• Hamarsland, Håvard; Handegard, Vilde; Kåshagen, Mauritz; Benestad, Haakon Breien & Raastad, Truls (2019). No Difference Between Spray Dried Milk and Native Whey Supplementation with Strength Training. Medicine & Science in Sports & Exercise. ISSN 0195-9131. 51(1), s. 75–83. doi: 10.1249/MSS.0000000000001758. Fulltekst i vitenarkiv Vis sammendrag

  Background: A rapid digestibility and high leucine content are considered important for maximal stimulation of muscle protein synthesis. Consequently, with these properties, native whey may hold greater anabolic potential than milk, when supplemented in combination with strength training. Our aim was to compare the effects of supplementation with milk or native whey, during a 12-week strength training period, on gains in muscle mass and strength in young adults. Methods: In this double-blinded, randomized, controlled study a total of 40 untrained young men and women received two daily servings of either milk or native whey containing 20 g of protein, during a 12-week strength training intervention. Muscle strength, lean mass, thigh muscle cross sectional area, m. vastus lateralis thickness and muscle fiber cross sectional area were assessed before and after the training period. In addition, the acute phosphorylation of the anabolic kinases p70S6K, 4E-BP1 and eEF-2 in response to a standardized workout and supplementation was investigated before and after the 12-week training period. Results: Muscle mass and strength increased, by all measures applied (5-16%, P < 0.001), with no differences between groups (P > 0.25). p70S6K phosphorylation increased (~1000%, P < 0.02) 2 hours after exercise in the untrained and trained state, but no differences in anabolic signaling were observed between supplements (P > 0.40). No correlation between these acute measures and changes in muscle mass or strength were observed. Conclusion: Supplementation with milk or native whey during a 12-week strength training period did not differentially affect muscle mass and strength in young untrained individuals.

• Hamarsland, Håvard; Aas, Sigve Nyvik; Nordengen, Anne Lene; Holte, Kari; Garthe, Ina & Paulsen, Gøran [Vis alle 10 forfattere av denne artikkelen] (2018). Native whey induces similar post exercise muscle anabolic responses as regular whey, despite greater leucinemia, in elderly individuals. The Journal of Nutrition, Health & Aging. ISSN 1279-7707. doi: 10.1007/s12603-018-1105-6. Fulltekst i vitenarkiv Vis sammendrag

  Objective: Elderly muscle seems less sensitive to the anabolic stimulus of a meal. Changes in blood concentrations of leucine are suggested as one important trigger of the anabolic response in muscle. The aim of this study was to investigate whether native whey protein, containing high amounts of leucine, may be a more potent stimulator of muscle protein synthesis (MPS) in elderly than regular whey protein (WPC-80) or milk. Design: Randomized controlled partial crossover. Setting: Norwegian School of Sport Sciences. Participants: 21 healthy elderly men and women (≥70 years). Intervention: Participants received either 20 g of WPC-80 and native whey (n = 11) on separate days in a crossover design, or milk (n = 10). Supplements were ingested immediately and two hours after a bout of lower body heavy-load resistance exercise. Measurements: Blood samples and muscle biopsies were collected to measure blood concentrations of amino acids by gas-chromatography mass spectrometry (GCMS), phosphorylation of p70S6K, 4E-BP1 and eEF-2 by immunoblotting and mixed muscle fractional synthetic rate (FSR) by use of [2H5]phenylalanine-infusion, GCMS and isotope-ratio mass spectrometry. Results: Native whey increased blood leucine concentrations more than WPC-80 (P < 0.05), but not p70S6K phosphorylation or mixed muscle FSR. Both whey supplements increased blood leucine concentrations (P < 0.01) and P70S6K phosphorylation more than milk (P = 0.014). Native whey reached higher mixed muscle FSR values than milk (P = 0.026) 1-3h after exercise. Conclusions: Despite greater increases in blood leucine concentrations than WPC-80 and milk, native whey was only superior to milk concerning increases in MPS and phosphorylation of P70S6K during a 5-hour post-exercise period in elderly individuals.

• Benestad, Haakon Breien (2017). Genmodifiserte T-celler mot kreft. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 137(10). doi: 10.4045/tidsskr.17.0321.
• Hamarsland, Håvard; Nordengen, Anne Lene; Aas, Sigve Nyvik; Holte, Kristin Tosterud; Garthe, Ina & Paulsen, Gøran [Vis alle 10 forfattere av denne artikkelen] (2017). Native whey protein with high levels of leucine results in similar post-exercise muscular anabolic responses as regular whey protein: a randomized controlled trial. Journal of the International Society of Sports Nutrition (JISSN). ISSN 1550-2783. 14:43, s. 1–12. doi: 10.1186/s12970-017-0202-y. Vis sammendrag

  Background: Protein intake is essential to maximally stimulate muscle protein synthesis, and the amino acid leucine seems to possess a superior effect on muscle protein synthesis compared to other amino acids. Native whey has higher leucine content and thus a potentially greater anabolic effect on muscle than regular whey (WPC-80). This study compared the acute anabolic effects of ingesting 2 × 20 g of native whey protein, WPC-80 or milk protein after a resistance exercise session. Methods: A total of 24 young resistance trained men and women took part in this double blind, randomized, partial crossover, controlled study. Participants received either WPC-80 and native whey (n = 10), in a crossover design, or milk (n = 12). Supplements were ingested immediately (20 g) and two hours after (20 g) a bout of heavy-load lower body resistance exercise. Blood samples and muscle biopsies were collected to measure plasma concentrations of amino acids by gas-chromatography mass spectrometry, muscle phosphorylation of p70S6K, 4E–BP1 and eEF-2 by immunoblotting, and mixed muscle protein synthesis by use of [2H5]phenylalanine-infusion, gas-chromatography mass spectrometry and isotope-ratio mass spectrometry. Being the main comparison, differences between native whey and WPC-80 were analysed by a one-way ANOVA and comparisons between the whey supplements and milk were analysed by a two-way ANOVA. Results: Native whey increased blood leucine concentrations more than WPC-80 and milk (P < 0.05). Native whey ingestion induced a greater phosphorylation of p70S6K than milk 180 min after exercise (P = 0.03). Muscle protein synthesis rates increased 1–3 h hours after exercise with WPC-80 (0.119%), and 1–5 h after exercise with native whey (0.112%). Muscle protein synthesis rates were higher 1–5 h after exercise with native whey than with milk (0.112% vs. 0.064, P = 0.023). Conclusions: Despite higher-magnitude increases in blood leucine concentrations with native whey, it was not superior to WPC-80 concerning effect on muscle protein synthesis and phosphorylation of p70S6K during a 5-h post-exercise period. Native whey increased phosphorylation of p70S6K and muscle protein synthesis rates to a greater extent than milk during the 5-h post exercise period.

• Nilsen, Tormod Skogstad; Thorsen, Lene; Fosså, Sophie Dorothea; Wiig, Martin; Kirkegaard, Camilla & Skovlund, Eva [Vis alle 8 forfattere av denne artikkelen] (2016). Effects of strength training on muscle cellular outcomes in prostate cancer patients on androgen deprivation therapy. Scandinavian Journal of Medicine & Science in Sports. ISSN 0905-7188. 26(9), s. 1026–1035. doi: 10.1111/sms.12543. Vis sammendrag

  Androgen deprivation therapy (ADT) improves lifeexpectancy in prostate cancer (PCa) patients, but is asso-ciated with adverse effects on muscle mass. Here, weinvestigated the effects of strength training during ADTon muscle fiber cross-sectional area (CSA) and regulatorsof muscle mass. PCa patients on ADT were randomizedto 16 weeks of strength training (STG) (n = 12) or acontrol group (CG; n = 11). Muscle biopsies wereobtained from m. vastus lateralis and analyzed by immu-nohistochemistry and western blot. Muscle fiber CSAincreased with strength training (898 μm2, P = 0.04), withthe only significant increase observed in type II fibers(1076 μm2, P = 0.03). There was a trend toward a differ-ence in mean change between groups myonuclei number(0.33 nuclei/fiber, P = 0.06), with the only significantincrease observed in type I fibers, which decreased themyonuclear domain size of type I fibers (P = 0.05). Satel-lite cell numbers and the content of androgen receptorand myostatin remained unchanged. Sixteen weeks ofstrength training during ADT increased type II fiber CSAand reduced myonuclear domain in type I fibers in PCapatients. The increased number of satellite cells normallyseen following strength training was not observed.

• Bøyum, Arne; Forstrøm, Rune Johansen; Sefland, Iren; Sand, Kristin Larsen & Benestad, Haakon Breien (2014). Intricacies of redoxome function demonstrated with a simple in vitro chemiluminescence method, with special reference to vitamin B12 as antioxidant. Scandinavian Journal of Immunology. ISSN 0300-9475. 80(6), s. 390–397. doi: 10.1111/sji.12220.
• Knudsen, Eirunn; Carlsen, Harald; Bøyum, Arne; Benestad, Haakon Breien & Iversen, Per Ole (2014). No major role for the transcription factor NF-κB in bone marrow function during peritonitis in the mouse. International journal of hematology. ISSN 0925-5710. 100(2), s. 111–118. doi: 10.1007/s12185-014-1598-7.
• Paulsen, Gøran; Cumming, Kristoffer T.; Holden, Geir; Hallén, Jostein; Rønnestad, Bent & Sveen, Ole [Vis alle 19 forfattere av denne artikkelen] (2014). Vitamin C and E supplementation hampers cellular adaptation to endurance training in humans: a double-blind randomized controlled trial. Journal of Physiology. ISSN 0022-3751. 592(8), s. 1887–1901. doi: 10.1113/jphysiol.2013.267419. Vis sammendrag

  In this double-blind, randomised, controlled trial, we investigated the effects of vitamin C and E supplementation on endurance training adaptations in humans. Fifty-four young men and women were randomly allocated to receive either 1000 mg of vitamin C and 235 mg of vitamin E or a placebo daily for 11 weeks. During supplementation, the participants completed an endurance training programme consisting of three to four sessions per week (primarily of running), divided into high-intensity interval sessions [4-6 × 4-6 min; >90% of maximal heart rate (HRmax)] and steady state continuous sessions (30-60 min; 70-90% of HRmax). Maximal oxygen uptake (VO2 max ), submaximal running and a 20 m shuttle run test were assessed and blood samples and muscle biopsies were collected, before and after the intervention. Participants in the vitamin C and E group increased their VO2 max (mean ± s.d.: 8 ± 5%) and performance in the 20 m shuttle test (10 ± 11%) to the same degree as those in the placebo group (mean ± s.d.: 8 ± 5% and 14 ± 17%, respectively). However, the mitochondrial marker cytochrome c oxidase subunit IV (COX4) and cytosolic peroxisome proliferator-activated receptor-γ coactivator 1 α (PGC-1α) increased in the m. vastus lateralis in the placebo group by 59 ± 97% and 19 ± 51%, respectively, but not in the vitamin C and E group (COX4: -13 ± 54%; PGC-1α: -13 ± 29%; P ≤ 0.03, between groups). Furthermore, mRNA levels of CDC42 and mitogen-activated protein kinase 1 (MAPK1) in the trained muscle were lower in the vitamin C and E group than in the placebo group (P ≤ 0.05). Daily vitamin C and E supplementation attenuated increases in markers of mitochondrial biogenesis following endurance training. However, no clear interactions were detected for improvements in VO2 max and running performance. Consequently, vitamin C and E supplementation hampered cellular adaptations in the exercised muscles, and although this did not translate to the performance tests applied in this study, we advocate caution when considering antioxidant supplementation combined with endurance exercise.

• Aas, Vigdis; Sand, Kristin Larsen; Åsheim, Hans-Christian; Benestad, Haakon Breien & Iversen, Jens Gustav Heber (2013). C-Reactive Protein Triggers Calcium Signalling in Human Neutrophilic Granulocytes via FcγRIIa in an Allele-Specific Way. Scandinavian Journal of Immunology. ISSN 0300-9475. 77(6), s. 442–451. doi: 10.1111/sji.12049.
• Knudsen, Eirunn; Iversen, Per Ole; Bøyum, Arne; Seierstad, Therese; Nicolaysen, Gunnar & Benestad, Haakon Breien (2011). G-CSF enhances proliferation and mobilization, but not the maturation rate, of murine myeloid cells. European Journal of Haematology. ISSN 0902-4441. 87(4), s. 302–311. doi: 10.1111/j.1600-0609.2011.01658.x.
• Paulsen, Gøran; Egner, Ingrid; Drange, Mads; Langberg, Henning; Benestad, Haakon Breien & Fjeld, Jan Gunnar [Vis alle 8 forfattere av denne artikkelen] (2010). A COX-2 inhibitor reduces muscle soreness, but does not influence recovery and adaptation after eccentric exercise. Scandinavian Journal of Medicine & Science in Sports. ISSN 0905-7188. 20(1, online). Vis sammendrag

  The aim of this study was to investigate the effect of a cyclooxygenase (COX)-2 inhibitor on the recovery of muscle function, inflammation, regeneration after, and adaptation to, unaccustomed eccentric exercise. Thirty-three young males and females participated in a double-blind, placebo-controlled experiment. Seventy unilateral, voluntary, maximal eccentric actions with the elbow flexors were performed twice (bouts 1 and 2) with the same arm, separated by 3 weeks. The test group participants were administered 400 mg/day of celecoxib for 9 days after bout 1. After both bouts 1 and 2, concentric and isometric force-generating capacity was immediately reduced ( approximately 40-50%), followed by the later appearance of muscle soreness and increased serum creatine kinase levels. Radiolabelled autologous leukocytes (detected by scintigraphy) and monocytes/macrophages (histology) accumulated in the exercised muscles, simultaneously with increased satellite cell activity. These responses were reduced and recovery was faster after bout 2 than 1, demonstrating a repeated-bout effect. No differences between the celecoxib and placebo groups were detected, except for muscle soreness, which was attenuated by celecoxib. In summary, celecoxib, a COX-2 inhibitor, did not detectably affect recovery of muscle function or markers of inflammation and regeneration after unaccustomed eccentric exercise, nor did the drug influence the repeated-bout effect. However, it alleviated muscle soreness.

• Paulsen, Gøran; Crameri, R; Benestad, Haakon Breien; Fjeld, Jan Gunnar; Mørkrid, Lars & Hallén, Jostein [Vis alle 7 forfattere av denne artikkelen] (2010). Time Course of Leukocyte Accumulation in Human Muscle after Eccentric Exercise. Medicine & Science in Sports & Exercise. ISSN 0195-9131. 42(1), s. 75–85. doi: 10.1249/MSS.0b013e3181ac7adb. Vis sammendrag

  PAULSEN. G., R. CRAMERI, H. B. BENESTAD, J. G. HELD. L. MORKRID, J. HALLEN, and T. RAASTAD. Time course of Leukocyte Accumulation in Human Muscle after Eccentric Exercise. Med. Sci. Sports Exerc., Vol. 42, No. 1, pp. 75-85, 2010. Put-pose: To investigate the little course of leukocyte accumulation in eccentric exercised human muscles and its relation to recovery of muscle function and soreness. Methods: Eleven young males performed 300 unilateral. maximal voluntary, eccentric actions with the musculus quadriceps femoris (30 degrees.s(-1)). Before and at regular intervals for 7 d after exercise, force-generating capacity was measured with maximal concentric knee extensions (60 degrees.s(-1)). Accumulation of radiolabeled (autologous) leukocytes was measured with scintigraphy. Biopsies from musculus vastus lateralis were obtained 0.5, 4, 8, 24, 96, and 168 It after exercise from both the exercised leg and the control leg. Muscle cross-sections were stained with antibodies against leukocytes (CD16 and CD68). Muscle soreness was rated oil a visual analog scale. Results: Immediately after exercise, the Subjects' ability to generate force was reduced by 47 +/- 5%. Muscle function recovered slowly and was not fully restored after 1 wk. Radiolabeled leukocytes accumulated ill file Muscles during the first hour (3-24 h) after exercise, and leukocytes were at the same time observed histologically. primarily in the endomysium and perimysium. A pail of the accumulated radiolabeled leukocytes appeared to be located within local blood vessels. The highest numbers of CD16(+) and CD68(+) cells were found 4 and 7 (1 after exercise. There was a positive correlation between accumulation of radiolabeled leukocytes and muscle weakness measured 1-3 d after exercise (r = 0.8. P < 0.05) and, surprisingly. a negative correlation between radiolabeled leukocyte accumulation and Muscle soreness (r = -0.96, P < 0.01). Conclusion: Exercise-induced Muscle damage initiated a rapid local inflammatory response that gradually increased over the next days, Halted recovery Of muscle function Was associated with local accumulation of leukocytes, whereas muscle soreness could not be explained by the presence of leukocytes.

• Bøyum, Arne; Skrede, Knut Kristian; Myhre, Oddvar; Tennfjord, Vivi-Ann; Neurauter, Christine Gran & Tolleshaug, Helge [Vis alle 10 forfattere av denne artikkelen] (2010). Calprotectin (S100A8/S100A9) and myeloperoxidase: Co-regulators of formation of reactive oxygen species. Toxins. ISSN 2072-6651. s. 95–115. doi: 10.3390/toxins2010095. Fulltekst i vitenarkiv
• Paulsen, Gøran; Egner, I.M.; Drange, M.; Langberg, H.; Benestad, Haakon Breien & Fjeld, Jan Gunnar [Vis alle 8 forfattere av denne artikkelen] (2009). A COX-2 inhibitor reduces muscle soreness, but does not influence recovery and adaptation after eccentric exercise. Scandinavian Journal of Medicine & Science in Sports. ISSN 0905-7188. doi: 10.1111/j.1600-0838.2009.00947.x.
• Benestad, Haakon Breien & Laake, Petter (2008). Forskning: metode og planlegging. I Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Red.), Forskning i medisin og biofag. 2. utgave. Gyldendal Akademisk. ISSN 978-82-05-38487-3.
• Nestvold, Janne M.; Omdal, Bente Kahrs; Dai, K-Z; Martens, A; Benestad, Haakon Breien & Vaage, John Torgils [Vis alle 7 forfattere av denne artikkelen] (2008). A second prophylactic MHC-mismatched bone marrow transplantation protects against rat acute myeloid leukemia (BNML) without lethal graft-versus-host disease. Transplantation. ISSN 0041-1337. 85(1), s. 102–111. doi: 10.1097/01.tp.0000296856.53493.1f.
• Benestad, Haakon Breien & Laake, Petter (2007). Reseach methodology: Strategies, planning and analysis. I Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Red.), Research Methodology in the Medical and Biological Sciences. Academic Press. ISSN 978-0-12-373874-5. s. 93–124.
• Paulsen, Gøran; Benestad, Haakon Breien; Strøm-Gundersen, Inger; Mørkrid, Lars; Lappegård, Knut Tore & Raastad, Truls (2005). Delayed Leukocytosis and Cytokine Response to High-Force Eccentric Exercise. Medicine & Science in Sports & Exercise. ISSN 0195-9131. 37(11), s. 1877–1883.
• Benestad, Haakon Breien (2004). Vitenskapelig kommunikasjon. I Benestad, Haakon Breien & Laake, Petter (Red.), Forskningsmetode i medisin og biofag. Gyldendal Akademisk. s. 413–443.
• Benestad, Haakon Breien & Laake, Petter (2004). Forskning: Metode og planlegging. I Benestad, Haakon Breien & Laake, Petter (Red.), Forskningsmetode i medisin og biofag. Gyldendal Akademisk. s. 83–113.
• Benestad, Haakon Breien (2004). Basalmedisinsk forskning: Strategier og metoder. I Benestad, Haakon Breien & Laake, Petter (Red.), Forskningsmetode i medisin og biofag. Gyldendal Akademisk. s. 199–214.
• Benestad, Haakon Breien & Laake, Petter (2004). Forord. I Benestad, Haakon Breien & Laake, Petter (Red.), Forskningsmetode i medisin og biofag. Gyldendal Akademisk. s. 5–7.
• Olsen, Bjørn Reino & Benestad, Haakon Breien (2004). Basalmedisinsk forskning: strategier og metoder. I Benestad, Haakon Breien & Laake, Petter (Red.), Forskningsmetode i medisin og biofag. Gyldendal Akademisk. s. 199–214.
• Knudsen, Eirunn; Benestad, Haakon Breien; Seierstad, Therese & Iversen, Per Ole (2004). Macrophages in spleen and liver direct the migration pattern of rat neutrophils during inflammation. European Journal of Haematology. ISSN 0902-4441. 73, s. 109–122.
• Iversen, Per Ole; Nicolaysen, Anne; Hjeltnes, Nils; Njå, Arild & Benestad, Haakon Breien (2004). Preserved granulocyte formation and function, as well as bone marrow innervation, in subjects with complete spinal cord injury. British Journal of Haematology. ISSN 0007-1048. 126, s. 870–877.
• Bøyum, Arne; Fjerdingstad, HB; Tennfjord, VA; Benestad, Haakon Breien & Lovhaug, D (2004). Specific antibodies to mouse Sca-1- (Ly-6A/E) or Thy-1-positive haematopoietic progenitor cells induce formation of nitric oxide which inhibits subsequent colony formation. European Journal of Haematology. ISSN 0902-4441. 73, s. 427–430.
• Østby, Ivar; Benestad, Haakon Breien & Grøttum, Per (2003). Mathematical modeling of human granulopoiesis: the possible importance of regulated apoptosis. Mathematical Biosciences. ISSN 0025-5564. 186, s. 1–27.
• Raastad, Truls; Risøy, Bjørn Audun; Benestad, Haakon Breien; Fjeld, Jan Gunnar & Hallén, Jostein (2003). Temporal relation between leukocyte accumulation in muscles and halted recovery 10-20h after strength exercise. Journal of applied physiology. ISSN 8750-7587. 95.
• Risøy, Bjørn Audun; Raastad, Truls; Hallén, Jostein; Lappegård, K.T.; Bæverfjord, Kjersti & Kravdal, Astrid [Vis alle 8 forfattere av denne artikkelen] (2003). Delayed leukocytosis after a hard strength and endurance exercise: Aspects of regulatory mechanisms. BMC Physiology. ISSN 1472-6793. 3.
• Sorensen, D.R.; Read, T.A.; Porwol, T.; Olsen, Bennedichte C. Rappana; Timpl, R. & Sasaki, T. [Vis alle 10 forfattere av denne artikkelen] (2002). Endostatin reduces vascularization, blood flow, and growth in a rat gliosarcoma. Neuro-Oncology. ISSN 1522-8517. 4, s. 1–8.
• Iversen, Per Ole; Sorensen, D.R. & Benestad, Haakon Breien (2002). Inhibitors of angiogenesis selectively reduce the malignant cell load in rodent models of human myeloid leukemias. Leukemia. ISSN 0887-6924. 16(3), s. 376–381.
• Galtung, Hilde Kanli; Sørlundsengen, Vibeke; Sakariassen, Kjell S. & Benestad, Haakon Breien (2002). Effect of radiologic contrast media on cell volume regulatory mechanisms in human red blood cells. Academic Radiology. ISSN 1076-6332. 9, s. 878–885. Vis sammendrag

  RATIONALE AND OBJECTIVES: The authors peris studyto evaluate cell volume regulation in human red blood cells (RBCs) after incubation in solutions of three contrast mediaformed th: iohexol (830 mOsm), ioxaglate (520 mOsm), and iodixanol (300 mOsm). MATERIALS AND METHODS: Whole blood sampled from six healthy subjects was exposed to Ringer solutions containing 25% or 5% vol/vol iohexol (final osmolality, 440 or 340 mOsm, respectively), ioxaglate (final osmolality, 395 or 335 mOsm, respectively), iodixanol (final osmolality, 330 or 315 mOsm, respectively), or NaCl (control solutions with the same osmolality as that of the contrast media). In some experiments, control RBCs were subjected to a hyposmotic solution (100 mOsm). RBC volumes were obtained with a Coulter counter. RESULTS: The RBCs showed normal regulatory cell shrinkage after hyposmotically induced swelling. All 25% vol/vol contrast material solutions and their control solutions induced RBC shrinkage (range, 6% +/- 1 [standard error] to 22% +/- 3). The same was true for cells exposed to 5% vol/vol contrast material (range, 4% +/- 1 to 7% +/- 1). The shrinkage phase was followed by cell swelling (10% +/- 2 to 20% +/- 2 for 25% contrast material and their control solutions and 8% +/- 1 to 15% +/- 2 for 5% contrast material and their control solutions). No contrast material-exposed RBCs increased their volumes to the level reached with their control solutions. CONCLUSION: RBCs exposed to hyperosmotic iohexol, ioxaglate, or iodixanol solutions shrank and then swelled. The degree of shrinkage and subsequent swelling could not be explained simply with the osmolality of the test solutions. Physicochemical properties of the contrast media must be involved, putatively affecting electrolyte fluxes over the RBC membrane. Possible targets of these effects are the K+/Cl- symporter, K+ channels, and the Na+/K+/Cl- symporter.

• Knudsen, Eirunn; Iversen, Per Ole; Rooijen, Nico Van & Benestad, Haakon Breien (2002). Macrophage-dependent regulation of neutrophil mobilization and chemotaxis during development of sterile peritonitis in the rat. European Journal of Haematology. ISSN 0902-4441. 69, s. 284–296. Vis sammendrag

  Pro-inflammatory cytokines attract leukocytes to inflamed tissues and activate them. Few attempts have been made to identify the sources of cytokines in vivo. We examined the importance of peritoneal macrophages in the mobilization and homing of neutrophils to a sterile peritonitis in the rat, with emphasis on their cytokine production. Macrophages, present in virtually all tissues, are known to be easily activated and to serve as an important source of cytokines. Flow cytometric analysis of cells stained intracellularly with tagged antibodies against various cytokines revealed that the peritoneal macrophages were stimulated to produce the following cytokines: interleukin (IL)-1beta, macrophage inflammatory protein-2 (MIP-2), and keratinocyte-derived cytokine (KC). High numbers of neutrophils, activated on arrival into the peritoneal cavity, also produced IL-1beta, whereas lower numbers contained interleukin-6, tumor necrosis factor-alpha, MIP-2, KC, and MIP-1alpha. This marked activation of peritoneal neutrophils was also reflected by increased surface expression of CD11b. On the other hand, peritoneal macrophages expressed high basal levels of CD11b, which were reduced 24 h after the onset of inflammation. In rats selectively depleted of macrophages by i.p. injection of liposome-containing clodronate, the massive influx of neutrophils to the peritoneal cavity was markedly reduced, as was the rapid mobilization of mature bone marrow neutrophils. Local macrophages are important both for the accumulation of neutrophils in the inflamed peritoneal cavity and for the early mobilization of neutrophils from the bone marrow. Macrophage-derived IL-1beta, MIP-2, and KC are possible mediators of neutrophil homing to inflamed tissues.

• Engh, Espen; Strøm-Gundersen, Inger; Benestad, Haakon Breien & Rolstad, Bent (2001). Long-term donor chimerism after MHC (RT1) mismatched bone marrow transplantation in the rat: the role of host alloreactive NK cells. Scandinavian Journal of Immunology. ISSN 0300-9475. 54, s. 198–203.

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• Benestad, Haakon Breien (2016). Et eventyrlig liv. Hans Landstad (1880-1957): sort får, seilskipsmannskap og sjefskonstruktør. Michael - Det norske medisinske selskaps tidsskrift. ISBN 978-82-92871-88-1. 194 s.
• Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (2015). Research in Medical and Biological Sciences: From Planning and Preparation ot Grant Application and Publication. Academic Press. ISBN 978-0-12-799943-2. 566 s.
• Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (2008). Forskning i medisin og biofag. 2. utgave. Gyldendal Akademisk. ISBN 978-82-05-38487-3. 550 s.
• Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (2007). Research Methodology in the Medical and Biological Sciences. Academic Press. ISBN 978-0-12-373874-5. 512 s.
• Benestad, Haakon Breien & Laake, Petter (2004). Forskningsmetode i medisin og biofag. Gyldendal Akademisk. 476 s.

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• Benestad, Haakon Breien (2022). Å arve et langt liv. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 142(5), s. 1–2. doi: 10.4045/tidsskr.22.0037.
• Benestad, Haakon Breien (2021). Sårtilheling uten arrdannelse. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 141(11), s. 1–2. doi: 10.4045/tidsskr.21.0421.
• Benestad, Haakon Breien (2021). Modifisering av DNA kan motvirke nerveskader og aldring. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 141(6), s. 1–2. doi: 10.4045/tidsskr.21.0069.
• Benestad, Haakon Breien (2021). Kan periodisk faste øke sunn livslengde? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 141(18). doi: 10.4045/tidsskr.21.0765.
• Benestad, Haakon Breien (2021). Metabolismen varierer mye med alder. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 141(14). doi: 10.4045/tidsskr.21.0623.
• Benestad, Haakon Breien (2021). Et antiviralt legemiddel mot covid-19? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 141(12). doi: 10.4045/tidsskr.21.0500.
• Benestad, Haakon B. (2021). Fysisk belastning stimulerer både benvekst og immunsystem. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 141(11), s. 1–2. doi: 10.4045/tidsskr.21.0430.
• Benestad, Haakon Breien (2020). SARS-CoV-2-viruset svekker immunresponsen. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 140(18), s. 1–2. doi: 10.4045/tidsskr.20.0909.
• Benestad, Haakon Breien (2020). Granulocytter kan initiere gallestein. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 140(1). doi: 10.4045/tidsskr.19.0705.
• Benestad, Haakon Breien (2020). Apoptotiske celler hemmer inflammasjon. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 140(10), s. 1–2. doi: 10.4045/tidsskr.20.0406.
• Benestad, Haakon Breien (2019). Nyoppdaget mekanisme for muskelregenerasjon. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(12). doi: 10.4045/tidsskr.19.0318.
• Benestad, Haakon Breien (2019). Søvnmangel fremmer arteriosklerose. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(9). doi: 10.4045/tidsskr.19.0293.
• Benestad, Haakon Breien (2019). Kan trening redusere risiko for Alzheimers sykdom? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(7). doi: 10.4045/tidsskr.19.0086.
• Benestad, Haakon Breien (2018). Tyroksin kan også virke raskt. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 138(7). doi: 10.4045/tidsskr.18.0116.
• Benestad, Haakon Breien (2018). Ny behandling mot tørre øyne? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 138(17). doi: 10.4045/tidsskr.18.0706.
• Benestad, Haakon Breien (2018). Hurtigtesting for individualisert kreftbehandling. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 138(13). doi: 10.4045/tidsskr.18.0407.
• Benestad, Haakon Breien (2018). Kan aldersbetinget muskeltap hemmes med legemidler? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 138(17). doi: 10.4045/tidsskr.18.0725.
• Benestad, Haakon Breien (2018). Hvorfor er så mange eldre plaget med kløe? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 138(14). doi: 10.4045/tidsskr.18.0504.
• Benestad, Haakon Breien; Sand, Kristin Larsen & Bruusgaard, Jo C. (2018). Less than recommended training of aerobic fitness and muscle strength: What to expect? Acta Physiologica. ISSN 1748-1708. 224(4). doi: 10.1111/apha.13104.
• Benestad, Haakon Breien (2018). Hvordan oppst?r immunologisk hukommelse? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 138(10). doi: 10.4045/tidsskr.18.0206.
• Benestad, Haakon Breien & Valeur, Jørgen (2018). Har tarmfloraen betydning for utvikling av multippel sklerose? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 138(3), s. 235–235.
• Benestad, Haakon Breien & Laake, Petter (2015). Research Strategies, Planning and Analysis. I Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Red.), Research in Medical and Biological Sciences: From Planning and Preparation ot Grant Application and Publication.. Academic Press. ISSN 978-0-12-799943-2. s. 89–104.
• Benestad, Haakon Breien (2014). Re: En mann i 80-årene med muskelstivhet og hudblødninger :. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 134(14). doi: 10.4045/tidsskr.14.0819.
• Benestad, Haakon Breien & Laake, Petter (2014). Dårlig tittel - dårlig manus? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 134(4), s. 382–382. doi: 10.4045/tidsskr.14.0143.
• Benestad, Haakon Breien (2012). Fysiologiens forandring gjennom 40 år. Michael Quarterly. ISSN 1504-0658. 9(4), s. 389–399.
• Olsen, Ingar & Benestad, Haakon Breien (2011). Økt arteriosklerose av kolin? [Avis]. Tidsskrift for Den norske legeforening, 2011;131 (15):1408.
• Bøyum, A.; Skrede, Knut Kristian; Myhre, Oddvar; Tennfjord, VA; Neurauter, Christine Gran & Tolleshaug, Helge [Vis alle 9 forfattere av denne artikkelen] (2010). Calprotectin (S100A8/S100A9) og myeloperoksidase : ko-regulatorer av dannelsen av reaktive oksygen-metabolitter (ROS). Vis sammendrag

  Problemstilling Inflammatoriske mediatorer stimulerer produksjon av reaktive oksygen metabolitter (ROS: O2־, H2O2, OH´) i polymorfonukleære neutrofile granulocytter (PMN). HOCl er viktig i mikrobeforsvar og dannes av myeloperoksidase i PMN, og kan detekteres i et chemiluminescence-assay. Metode Luminol-chemiluminescence ble målt som relative lysverdier i et luminometer (Luminoskan, Termo Labsystems, Helsinki, Finland), med 96-brønner (White Cliniplate, Thermo Fisher Scientific, Vantaa-Finland). Resultater og konklusjoner Vi har vist at calprotectin (S100A8/A9), som det finnes rikelig av i PMN-cytosol, også stimulerer dannelse av chemiluminescence som respons på H2O2 i et cellefritt system, noe som ikke er vist tidligere. Myeloperoksidase og calprotectin virket synergistisk. Calprotectin-indusert chemiluminescence økte, mens myeloperoksidase-stimulert chemiluminescence gikk ned ved pH > 7.5. For myeloperoksidase var NaCl nødvendig for chemiluminescence, men ikke for calprotectin. 4-hydroksy-benzosyre, som binder OH´, fjernet nesten calprotectin-stimulert chemiluminescence, men økte myeloperoksidase-aktiviteten moderat. Kombinasjonen av nativt calprotectin, eller rekombinante S100A8/A9 proteiner, med NaOCl medførte en markant økning i chemiluminescence. NaOCl kan være den synergistiske lenken mellom myeloperoksidase og calprotectin. Ved høyere konsentrasjoner av S100A9 forsvant denne stimuleringen, noe som kan forklares ved en switch fra pro-oksidant til anti-oksidant funksjon. Vi foreslår at OH´ er den dominerende ROS produsert av calprotectin, en funksjon som ikke er beskrevet tidligere. Virksomhetsområde: Annet

• Benestad, Haakon Breien (2010). Vitenskapelig uredelighet - alvorlig, forsettlig eller grovt uaktsomt? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 130(5), s. 515–516.
• Benestad, Haakon Breien & Wisløff, Finn Georg B (2008). Forskningsetikk og Universitetet i Oslo. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 128(15), s. 1683–1684.
• Lycke, Kirsten Hofgaard; Benestad, Haakon Breien & Sandberg, Torill Marlene (2007). Development of teaching and learning at the University of Oslo.
• Nestvold, Janne M.; Omdal, Bente Kahrs; Dai, KZ; Benestad, Haakon Breien & Rolstad, Bent (2006). The role of repeated MHC mismatched bone marrow transplantation in the resistance against a rat acute myelogenous leukaemia (BNML). Tissue Antigens. ISSN 0001-2815. 67, s. 476–477.
• Benestad, Haakon Breien (2003). Basalforskning nyttig for klinikken? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 123(12).
• Paulsen, Gøran; Gylterud, Simen; Fjeld, Jan Gunnar; Benestad, Haakon Breien; Hallén, Jostein & Raastad, Truls (2003). Force deficit after eccentric exercise is related to muscle leukocyte infiltration.
• Risøy, Bjørn Audun; Raastad, Truls; Lappegård, K.T. & Benestad, Haakon Breien (2003). Delayed leukocytosis after vigorous exercise:can it reveal the granulocyte mobilizers in inflammatory disorders?
• Bøyum, Arne; Fjerdingstad, Hege; Tennfjord, V-A.; Benestad, Haakon Breien & Løvhaug, Dagfinn (2003). Specific antibodies to mouse SCA-1 (LY-6A/E) and THY-1 (human and mouse) positive hemopoietic progenitor cells induce formation of nitric oxide which inhibits subsequent colony formation.
• Knudsen, Eirunn; Iversen, Per Ole; Seierstad, Therese; Rooijen, Nicovan van & Benestad, Haakon Breien (2002). Macrophages determine neutrophil granulocyte kinetics and ecotaxis ("homing") in rats with a sterile perotonitis. Vis sammendrag

  We hypothesize that neutrophils (PMN) normally ¿ and even in inflammation ¿ end their lives in macrophages exposed to the blood stream, subsequent to adherence to these cells, apoptosis and engulfment. Therefore, we examined the role of liver and spleen macrophages in rats with a sterile (casein-provoked) peritonitis. Blood PMN were collected from donor rats, transfused into congenic or syngeneic rats, and tracked with flow cytometric or radiometric methods. Phagocytosable particles (e.g. polystyrene beads) had been injected i.v. in prospective PMN recipients, to possibly perturb the kinetics, function, and fate of transfused PMN. Similarly, other recipient rats had been depleted of liver macrophages (Kupffer cells) by injection of liposome-encapsulated clodronate. Higher doses depleted spleen macrophages as well. The sequestration patterns of transfused PMN remained unchanged upon injection of the polystyrene beads. In marked contrast, homing to macrophage-depleted liver and spleen was substantially reduced. On the other hand, the bone marrow uptake of PMN was augmented in the depleted rats, and donor cells circulated longer (18 hours) than normal after transfusion. In rats depleted of liver macrophages only, sequestration was lowered in the liver, but not in marrow and spleen. Under all experimental conditions, only a small portion of transfused PMN migrated to the inflamed peritoneal cavity. In conclusion, liver and spleen macrophages clear PMN from circulation, and this capacity is robust and not easily decreased by exposure to inert phagocytosable particles.

• Raastad, Truls; Risøy, Bjørn Audun; Benestad, Haakon Breien & Fjeld, Jan Gunnar (2001). Leukocyte infiltration in muscles after strength exercise.
• Iversen, Per Ole; Sørensen, Dag R. & Benestad, Haakon Breien (2001). Anti-angiogenic drugs retard progression of two experimental leukemias. Vis sammendrag

  Angiogenesis is essential for growth, invasion and metastasis of solid tumors. Angiogenesis inhibitors, like endostatin (ES) and phosphomannopentaose sulphate (PI-88), have retarded and in some cases stopped growth in various models of cancer. A role for angiogenesis in the pathophysiology of hematological malignancies has also been suggested. We have tested this suggestion in two leukemia models, i. e. juvenile myelomonocytic leukemia (JMML) developing in severe combined immunodeficient, nonobese diabetic (SCID/NOD) mice, and a promyelocytic leukemia transplantable to the Brown Norwegian rat (BNML). Flow cytometry was used to monitor the growth of transplanted cells in the bone marrow of the mouse and rat recipients. Human-specific fluorescent antibodies to CD45 were employed to mark JMML and normal human bone marrow cells; the RM-124 antibody to tag the BNML cells. Immunohistochemistry with anti-von Willebrand factor was used to assess the density of microvessels in bone marrow sections. Eight weeks after leukemic cell transplantation, with daily injections of the drugs for the last four weeks, the leukemic cell burden had been reduced from almost 90 % of all mouse marrow cells retrieved to about 15 % with ES, to about 35 % with PI-88, and to about 10 % with ES + PI-88. Normal human bone marrow cells transplanted as a control constituted 55-60 % of the mouse marrow cells. This ratio was not detectably changed by drug treatments. In SCID/NOD mice, microvessel density after JMML transplantation was high, almost ten times higher than in the other groups. However, PI-88 only reduced the vessel density to twice control value. JMML colony numbers in semi-solid cultures were not significantly altered by ES or PI-88. Very similar findings were made with the BNML model, confirming the synergism between ES and PI-88 concerning both leukemic cell growth and reduction of microvascularity. Again, neither leukemic nor normal cell growth in cell suspension cultures (3H-thymidine incorporation) was significantly affected by ES or PI-88. In conclusion, anti-angiogenic therapy may be a valuable adjunct to cytotoxic or other modes of leukemia therapy.

• Knudsen, Eirunn; Iversen, Per Ole; Rooijen, Nicovan van & Benestad, Haakon Breien (2001). Macrophage-dependent regulation of neutrophil chemotaxis during the development of sterile peritonitis in the rat.
• Benestad, Haakon Breien (2000). Communicative skills - A matter of negligence? Experimental Hematology. ISSN 0301-472X. 28, s. 1–2.
• Benestad, Haakon Breien (2000). Bloddannende stamcellers formering i cellekultur. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 120(24).

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