From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Edit this page - Worst viewed with Internet explorer

Welcome to the userpage of Steven Fruitsmaak!

...although that is not my real name, just a copyrighted internet pseudonym. I first edited Wikipedia in April 2005 while studying medicine at the University of Leuven, Belgium.

I partially shifted my attention from Wikipedia to Wikinews after I met the friendly Wikinews community and decided that it could use more improvement than Wikipedia. I became an admin on Wikinews on October 17, 2006 and an accredited reporter on March 4, 2007. I became an admin on Wikipedia on July 26, 2008 but am no longer active as an administrator.

I graduated as a medical doctor in 2009 and started training as a specialist in internal medicine and geriatrics. I started a PhD in Biomedical Sciences in 2011 and obtained my PhD in September 2017. I recently became an Editorial Board member of Wikiversity Journal of Medicine.

If you need me, you can e-mail me and I'll be glad to help out.

You can find out some of my skills in my userboxes. Finally, my motto is:

Non scholae, sed vitae discimus.

Enjoy Wikipedia!

Conflict of interest declaration.

Wikipedia Work

Some things I am particularly proud of:

Here's the full list of articles I created.

I've also uploaded quite a few images and other media:


A barnstar for precise and dedicated work on numerous important medical articles. JFW 21:16, 15 May 2008 (UTC)
MedicineBarnstar.png The Medicine Barnstar
To Stevenfruitsmaak, for numerous contributions to medical articles. Axl (talk) 20:11, 27 June 2008 (UTC)

Barnstar-abc.png The Helping Hand Barnstar
Thank you for being so helpful Maen. K. A. (talk) 14:15, 7 February 2009 (UTC)


  1. Jardí F, Laurent MR, Dubois V, Khalil R, Deboel L, Schollaert D, Van Den Bosch L, Decallonne B, Carmeliet G, Claessens F, Vanderschueren D (2017). "A shortened tamoxifen induction scheme to induce CreER recombinase without side effects on the male mouse skeleton". Mol. Cell. Endocrinol. 452: 57–63. doi:10.1016/j.mce.2017.05.012. PMID 28504114.
  2. Overman MJ, Pendleton N, O'Neill TW, Bartfai G, Casanueva FF, Forti G, Rastrelli G, Giwercman A, Han TS, Huhtaniemi IT, Kula K, Lean M, Punab M, Lee DM, Correa ES, Ahern T, Laurent MR, Verschueren S, Antonio L, Gielen E, Rutter MK, Vanderschueren D, Wu F, Tournoy J (2017). "Glycemia but not the Metabolic Syndrome is Associated with Cognitive Decline: Findings from the European Male Ageing Study". Am J Geriatr Psychiatry. 25 (6): 662–671. doi:10.1016/j.jagp.2017.02.004. PMID 28259698. Vancouver style error: initials (help)
  3. Pye SR, Ward KA, Cook MJ, Laurent MR, Gielen E, Borghs H, Adams JE, Boonen S, Vanderschueren D, Wu FC, O'Neill TW (2017). "Bone turnover predicts change in volumetric bone density and bone geometry at the radius in men". Osteoporos Int. 28 (3): 935–944. doi:10.1007/s00198-016-3816-z. PMC 5306158. PMID 27815569.
  4. Laurent MR, Gielen E, Pauwels S, Vanderschueren D, Bouillon R (2017). "Hypervitaminosis D Associated With Tanning Bed Use: A Case Report". Ann. Intern. Med. 166 (2): 155–156. doi:10.7326/L16-0138. PMID 28114469.
  5. Almeida M, Laurent MR, Dubois V, Claessens F, O'Brien CA, Bouillon R, Vanderschueren D, Manolagas SC (2017). "Estrogens and Androgens in Skeletal Physiology and Pathophysiology". Physiol. Rev. 97 (1): 135–187. doi:10.1152/physrev.00033.2015. PMID 27807202.
  6. Laurent MR, Helsen C, Antonio L, Schollaert D, Joniau S, Vos MJ, Decallonne B, Hammond GL, Vanderschueren D, Claessens F (2016). "Effects of sex hormone-binding globulin (SHBG) on androgen bioactivity in vitro". Mol. Cell. Endocrinol. 437: 280–291. doi:10.1016/j.mce.2016.08.041. PMID 27576188.
  7. Laurent MR, Jardí F, Dubois V, Schollaert D, Khalil R, Gielen E, Carmeliet G, Claessens F, Vanderschueren D (2016). "Androgens have antiresorptive effects on trabecular disuse osteopenia independent from muscle atrophy". Bone. 93: 33–42. doi:10.1016/j.bone.2016.09.011. PMID 27622887.
  8. Masukume G, Kipersztok L, Das D, Shafee TM, Laurent MR, Heilman JM (2016). "Medical journals and Wikipedia: a global health matter". Lancet Glob Health. 4 (11): e791. doi:10.1016/S2214-109X(16)30254-6. PMID 27765289.
  9. Laurent MR, Hammond GL, Blokland M, Jardí F, Antonio L, Dubois V, Khalil R, Sterk SS, Gielen E, Decallonne B, Carmeliet G, Kaufman JM, Fiers T, Huhtaniemi IT, Vanderschueren D, Claessens F (2016). "Sex hormone-binding globulin regulation of androgen bioactivity in vivo: validation of the free hormone hypothesis". Sci Rep. 6: 35539. doi:10.1038/srep35539. PMC 5066276. PMID 27748448.
  10. Laurent MR, Cook MJ, Gielen E, Ward KA, Antonio L, Adams JE, Decallonne B, Bartfai G, Casanueva FF, Forti G, Giwercman A, Huhtaniemi IT, Kula K, Lean ME, Lee DM, Pendleton N, Punab M, Claessens F, Wu FC, Vanderschueren D, Pye SR, O'Neill TW (2016). "Lower bone turnover and relative bone deficits in men with metabolic syndrome: a matter of insulin sensitivity? The European Male Ageing Study". Osteoporos Int. doi:10.1007/s00198-016-3656-x. PMID 27273111.
  11. Laurent MR, Antonio L, Vanderschueren D (2016). "Testosterone Treatment in Older Men". N. Engl. J. Med. 375 (1): 89–90. doi:10.1056/NEJMc1603665#SA4. PMID 27406358.
  12. Vanderschueren D, Laurent MR, Carmeliet G (2016). "Bone disorders: Mechanisms and targets". Mol. Cell. Endocrinol. 432: 1–2. doi:10.1016/j.mce.2016.06.001. PMID 27288843.
  13. Antonio L, Wu FC, O'Neill TW, Pye SR, Ahern TB, Laurent MR, Huhtaniemi IT, Lean ME, Keevil BG, Rastrelli G, Forti G, Bartfai G, Casanueva FF, Kula K, Punab M, Giwercman A, Claessens F, Decallonne B, Vanderschueren D (2016). "Low Free Testosterone Is Associated with Hypogonadal Signs and Symptoms in Men with Normal Total Testosterone". J. Clin. Endocrinol. Metab. 101 (7): 2647–57. doi:10.1210/jc.2015-4106. PMID 26909800.
  14. Dubois V, Laurent MR, Jardi F, Antonio L, Lemaire K, Goyvaerts L, Deldicque L, Carmeliet G, Decallonne B, Vanderschueren D, Claessens F (2016). "Androgen Deficiency Exacerbates High-Fat Diet-Induced Metabolic Alterations in Male Mice". Endocrinology. 157 (2): 648–65. doi:10.1210/en.2015-1713.
  15. Laurent MR, Dubois V, Claessens F, Verschueren SM, Vanderschueren D, Gielen E, Jardí F (2016). "Muscle-bone interactions: From experimental models to the clinic? A critical update". Mol. Cell. Endocrinol. 432: 14–36. doi:10.1016/j.mce.2015.10.017. PMID 26506009.
  16. Gielen E, O'Neill TW, Pye SR, Adams JE, Wu FC, Laurent MR, Claessens F, Ward KA, Boonen S, Bouillon R, Vanderschueren D, Verschueren S (2015). "Endocrine determinants of incident sarcopenia in middle-aged and elderly European men". J Cachexia Sarcopenia Muscle. 6 (3): 242–52. doi:10.1002/jcsm.12030. PMC 4575556. PMID 26401471.
  17. Dubois V, Simitsidellis I, Laurent MR, Jardi F, Saunders PT, Vanderschueren D, Claessens F (2015). "Enobosarm (GTx-024) Modulates Adult Skeletal Muscle Mass Independently of the Androgen Receptor in the Satellite Cell Lineage". Endocrinology. 156 (12): 4522–33. doi:10.1210/en.2015-1479. PMID 26393303.
  18. Laurent MR (2015). "Problems with the diagnostic algorithm for hypercalcaemia". BMJ. 350: h3655. PMID 26152312.
  19. Sinnesael M, Jardi F, Deboel L, Laurent MR, Dubois V, Zajac JD, Davey RA, Carmeliet G, Claessens F, Vanderschueren D (2015). "The androgen receptor has no direct antiresorptive actions in mouse osteoclasts". Mol. Cell. Endocrinol. 411: 198–206. doi:10.1016/j.mce.2015.04.030. PMID 25958043.
  20. Sinnesael M, Laurent MR, Jardi F, Dubois V, Deboel L, Delisser P, Behets GJ, D'Haese PC, Carmeliet G, Claessens F, Vanderschueren D (2015). "Androgens inhibit the osteogenic response to mechanical loading in adult male mice". Endocrinology. 156 (4): 1343–53. doi:10.1210/en.2014-1673. PMID 25654322.
  21. Antonio L, Wu FC, O'Neill TW, Pye SR, Carter EL, Finn JD, Rutter MK, Laurent MR, Huhtaniemi IT, Han TS, Lean ME, Keevil BG, Pendleton N, Rastrelli G, Forti G, Bartfai G, Casanueva FF, Kula K, Punab M, Giwercman A, Claessens F, Decallonne B, Vanderschueren D (2015). "Associations between sex steroids and the development of metabolic syndrome: a longitudinal study in European men". J. Clin. Endocrinol. Metab. 100 (4): 1396–404. doi:10.1210/jc.2014-4184. PMID 25636052.
  22. Laurent MR, Gielen E, Vanderschueren D (2015). "Estrogens, the be-all and end-all of male hypogonadal bone loss?". Osteoporos Int. 26 (1): 29–33. doi:10.1007/s00198-014-2865-4. PMID 25377497.
  23. Gielen E, O'Neill T, Pye S, Adams J, Ward K, Wu F, Laurent M, Claessens F, Boonen S, Vanderschueren D, Verschueren S (2015). "Bone turnover markers predict hip bone loss in elderly European men: results of the European Male Ageing Study (EMAS)". Osteoporos Int. 26 (2): 617–27. doi:10.1007/s00198-014-2884-1. PMID 25224294.
  24. Laurent MR (2014). "Bariatric surgery: give more weight to bone loss". BMJ. 349: g6189. PMID 25315200.
  25. Vanderschueren D, Laurent MR, Claessens F, Gielen E, Lagerquist MK, Vandenput L, Börjesson AE, Ohlsson C (2014). "Sex steroid actions in male bone". Endocr. Rev. 35 (6): 906–60. doi:10.1210/er.2014-1024. PMC 4234776. PMID 25202834.
  26. Laurent MR, Vanderschueren D (2014). "Reproductive endocrinology: functional effects of sex hormone-binding globulin variants". Nat Rev Endocrinol. 10 (9): 516–7. doi:10.1038/nrendo.2014.120. PMID 25048036.
  27. Laurent MR (2014). "Periodontitis: bad medicine?". BMJ. 348: g3219. PMID 24842863.
  28. Laurent MR, Neven P, Vanderschueren D (2014). "'Fracture incidence after 3 years of aromatase inhibitor therapy'". Ann. Oncol. 25 (8): 1665–6. doi:10.1093/annonc/mdu226. PMID 24942278.
  29. Laurent M (2014). "Treatment of osteoporotic vertebral fractures". JAMA Intern Med. 174 (4): 641–2. doi:10.1001/jamainternmed.2013.13482. PMID 24711188.
  30. Dubois V, Laurent MR, Sinnesael M, Cielen N, Helsen C, Clinckemalie L, Spans L, Gayan-Ramirez G, Deldicque L, Hespel P, Carmeliet G, Vanderschueren D, Claessens F (2014). "A satellite cell-specific knockout of the androgen receptor reveals myostatin as a direct androgen target in skeletal muscle". FASEB J. 28 (7): 2979–94. doi:10.1096/fj.14-249748. PMID 24671706.
  31. Laurent M, Antonio L, Sinnesael M, Dubois V, Gielen E, Claessens F, Vanderschueren D (2014). "Androgens and estrogens in skeletal sexual dimorphism". Asian J. Androl. 16 (2): 213–22. doi:10.4103/1008-682X.122356. PMC 3955330. PMID 24385015.
  32. Clinckemalie L, Spans L, Dubois V, Laurent M, Helsen C, Joniau S, Claessens F (2013). "Androgen regulation of the TMPRSS2 gene and the effect of a SNP in an androgen response element". Mol. Endocrinol. 27 (12): 2028–40. doi:10.1210/me.2013-1098. PMID 24109594.
  33. Laurent M, Gielen E, Claessens F, Boonen S, Vanderschueren D (2013). "Osteoporosis in older men: recent advances in pathophysiology and treatment". Best Pract. Res. Clin. Endocrinol. Metab. 27 (4): 527–39. doi:10.1016/j.beem.2013.04.010. PMID 24054929.
  34. Gielen E, Verschueren S, O'Neill TW, Pye SR, O'Connell MD, Lee DM, Ravindrarajah R, Claessens F, Laurent M, Milisen K, Tournoy J, Dejaeger M, Wu FC, Vanderschueren D, Boonen S (2012). "Musculoskeletal frailty: a geriatric syndrome at the core of fracture occurrence in older age". Calcif. Tissue Int. 91 (3): 161–77. doi:10.1007/s00223-012-9622-5. PMID 22797855.
  35. Verschueren S, Gielen E, O'Neill TW, Pye SR, Adams JE, Ward KA, Wu FC, Szulc P, Laurent M, Claessens F, Vanderschueren D, Boonen S (2013). "Sarcopenia and its relationship with bone mineral density in middle-aged and elderly European men". Osteoporos Int. 24 (1): 87–98. doi:10.1007/s00198-012-2057-z. PMID 22776861.
  36. Laurent MR (2013). "Monitoring excess mortality in Europe". BMJ. 347: f5568. PMID 24048495.
  37. Vanderschueren D, Pye SR, O'Neill TW, Lee DM, Jans I, Billen J, Gielen E, Laurent M, Claessens F, Adams JE, Ward KA, Bartfai G, Casanueva FF, Finn JD, Forti G, Giwercman A, Han TS, Huhtaniemi IT, Kula K, Lean ME, Pendleton N, Punab M, Wu FC, Boonen S (2013). "Active vitamin D (1,25-dihydroxyvitamin D) and bone health in middle-aged and elderly men: the European Male Aging Study (EMAS)". J. Clin. Endocrinol. Metab. 98 (3): 995–1005. doi:10.1210/jc.2012-2772. PMID 23386642.
  38. Sinnesael M, Claessens F, Laurent M, Dubois V, Boonen S, Deboel L, Vanderschueren D (2012). "Androgen receptor (AR) in osteocytes is important for the maintenance of male skeletal integrity: evidence from targeted AR disruption in mouse osteocytes". J. Bone Miner. Res. 27 (12): 2535–43. doi:10.1002/jbmr.1713. PMID 22836391.
  39. Dubois V, Laurent M, Boonen S, Vanderschueren D, Claessens F (2012). "Androgens and skeletal muscle: cellular and molecular action mechanisms underlying the anabolic actions". Cell. Mol. Life Sci. 69 (10): 1651–67. doi:10.1007/s00018-011-0883-3. PMID 22101547.
  40. Laurent MR, Cremers S, Verhoef G, Dierickx D (2012). "Internet use for health information among haematology outpatients: a cross-sectional survey". Inform Health Soc Care. 37 (2): 62–73. doi:10.3109/17538157.2011.606481. PMID 22017473.
  41. Helsen C, Kerkhofs S, Clinckemalie L, Spans L, Laurent M, Boonen S, Vanderschueren D, Claessens F (2012). "Structural basis for nuclear hormone receptor DNA binding". Mol. Cell. Endocrinol. 348 (2): 411–7. doi:10.1016/j.mce.2011.07.025. PMID 21801809.
  42. Heilman JM, Kemmann E, Bonert M, Chatterjee A, Ragar B, Beards GM, Iberri DJ, Harvey M, Thomas B, Stomp W, Martone MF, Lodge DJ, Vondracek A, de Wolff JF, Liber C, Grover SC, Vickers TJ, Meskó B, Laurent MR (2011). "Wikipedia: a key tool for global public health promotion". J. Med. Internet Res. 13 (1): e14. doi:10.2196/jmir.1589. PMC 3221335. PMID 21282098.
  43. Laurent MR, Vickers TJ (2009). "Seeking health information online: does Wikipedia matter?". J Am Med Inform Assoc. 16 (4): 471–9. doi:10.1197/jamia.M3059. PMC 2705249. PMID 19390105.
  44. Laurent M (2009). "Incidence of atrial fibrillation among aging runners". Arch. Intern. Med. 169 (7): 719. doi:10.1001/archinternmed.2009.34. PMID 19365009.
  45. Laurent M, Voet A, Libeer C, Lambrechts M, Van Wijngaerden E (2009). "Mediterranean spotted fever, a diagnostic challenge in travellers". Acta Clin Belg. 64 (6): 513–6. doi:10.1179/acb.2009.087. PMID 20101874.
  46. Laurent M, Ghazavi M (2008). "Pitfalls in the diagnosis and management of transient synovitis of the hip: a retrospective case-note analysis". Arch. Dis. Child. 93 (5): 451–2. doi:10.1136/adc.2008.138206. PMID 18426947.
  47. Sagaert X, Laurent M, Baens M, Wlodarska I, De Wolf-Peeters C (2006). "MALT1 and BCL10 aberrations in MALT lymphomas and their effect on the expression of BCL10 in the tumour cells". Mod. Pathol. 19 (2): 225–32. doi:10.1038/modpathol.3800523. PMID 16341151.


Userboxes (More...)

Rod of Asclepius2.svgThis user is a physician.
PhDThis user has a Doctor of Philosophy degree in Biomedical Sciences.
Star of life2.svgThis user is a member of
WikiProject Medicine.
Flag of Belgium.svgThis user is a member of
WikiProject Belgium.
11,000+This user has made more than 11,000 contributions to Wikipedia.
Symbol question.svgThis user has written or expanded 12 articles featured in the Did You Know section on the Main Page.
nlDeze gebruiker heeft het Nederlands als moedertaal.
en-4This user can contribute with a near-native level of English.
their, to, your, its, ... This users english is far from being perfect!.
fr-3Cet utilisateur peut contribuer avec un niveau avancé de français.
es-2Este usuario puede contribuir con un nivel intermedio de español.
de-1Dieser Benutzer hat grundlegende Deutschkenntnisse.
la-1Hic usor simplici latinitate contribuere potest.
grc-1Ὅδε ὁ χρήστης δύναται συμβάλλεσθαι ὀλίγῃ γνώσει τῆς ἀρχαίας ἑλληνικῆς.
Other projects
Commons-logo.svgThis user has a page on Wikimedia Commons.

Userpage layout shamelessly nicked from User:NicholasTurnbull who'd nicked it from User:Mindspillage, who'd nicked it from User:Talrias. Hacked to taste by yours truly.