Niels Erik Skakkebæk

Niels Erik Skakkebæk

Affiliate Professor

Member of:

  • Paediatrics


  1. 2010
  2. Published

    Cryptorchidism and hypospadias as a sign of testicular dysgenesis syndrome (TDS): environmental connection

    Toppari, J., Virtanen, H. E., Main, Katharina Maria & Skakkebæk, Niels Erik, 1 Oct 2010, In: Birth Defects Research. Part A: Clinical and Molecular Teratology. 88, 10, p. 910-9 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Carcinoma in situ testis displays permissive chromatin modifications similar to immature foetal germ cells

    Almstrup, Kristian, Nielsen, J. E., Mlynarska, O., Jansen, M. T., Jørgensen, A., Skakkebæk, Niels Erik & Rajpert-De Meyts, E., 12 Oct 2010, In: British Journal of Cancer. 103, 8, p. 1269-76 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    OCT4 and downstream factors are expressed in human somatic urogenital epithelia and in culture of epididymal spheres

    Kristensen, D. M., Nielsen, J. E., Kalisz, M., Dalgaard, M. D., Audouze, K., Larsen, M. E., Jacobsen, G. K., Horn, T., Brunak, S., Skakkebaek, N. E., Leffers, H., Kristensen, D. M., Nielsen, J. E., Kalisz, M., Dalgaard, M. D., Audouze, K. M. L., Larsen, M. E., Jacobsen, G. K., Horn, T., Brunak, S. & 2 others, Skakkebæk, Niels Erik & Leffers, H., 1 Nov 2010, In: Molecular Human Reproduction. 16, 11, p. 835-45 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Serum inhibin-b in fertile men is strongly correlated with low but not high sperm counts: a coordinated study of 1,797 European and US men

    Jørgensen, N., Liu, F., Andersson, A., Vierula, M., Irvine, D. S., Auger, J., Brazil, C. K., Drobnis, E. Z., Jensen, T. K., Jouannet, P., Overstreet, J. W., Redmon, J. B., Sparks, A., Toppari, J., Wang, C., Skakkebæk, Niels Erik & Swan, S. H., 1 Nov 2010, In: Fertility and Sterility. 94, 6, p. 2128-34 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. 2011
  7. Published

    Antioxidanter og mandlig subfertilitet--en gennemgang af et Cochranereview

    Jensen, T. K., Skakkebæk, Niels Erik, Jørgensen, N., Jensen, M. B. & Juul, Anders, 2011, In: Ugeskrift for Laeger. 173, 50, p. 3253-5 3 p.

    Research output: Contribution to journalComment/debateResearch

  8. Published

    Disorders of sexual differentiation-the tip of the iceberg?

    Juul, Anders, Main, Katharina Maria & Skakkebæk, Niels Erik, 2011, In: Nature Reviews Endocrinology. 7, p. 504-5 1 p.

    Research output: Contribution to journalLetterResearch

  9. Published

    Intrauterine exposure to mild analgesics is a risk factor for development of male reproductive disorders in human and rat

    Kristensen, D. M., Hass, U., Lesné, L., Lottrup, G., Jacobsen, P. R., Desdoits-Lethimonier, C., Boberg, J., Petersen, Jørgen Holm, Toppari, J., Jensen, T. K., Brunak, Søren, Skakkebæk, Niels Erik, Nellemann, C., Main, Katharina Maria, Jégou, B. & Leffers, H., 2011, In: Human Reproduction. 26, 1, p. 235-44 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Serum concentrations of Anti-Müllerian Hormone (AMH) in 95 patients with Klinefelter syndrome with or without cryptorchidism

    Aksglaede, L., Christiansen, P., Sørensen, K., Boas, M., Linneberg, Allan René, Main, Katharina Maria, Andersson, A., Skakkebæk, Niels Erik & Juul, Anders, 2011, In: Acta Paediatrica. 100, 6, p. 839-845 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Sex chromosome aneuploidy and anthropometry

    Aksglæde, L., Skakkebæk, Niels Erik & Juul, Anders, 2011, Handbook of Anthropometry: Physical measures of human form in health and disease. Springer

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  12. Published

    Development: disorders of sex development-the tip of the iceberg?

    Juul, Anders, Main, Katharina Maria & Skakkebæk, Niels Erik, 1 Jan 2011, In: Nature Reviews Endocrinology. 7, 9, p. 504-5 2 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Lower birth weight and increased body fat at school age in children prenatally exposed to modern pesticides: a prospective study

    Wohlfahrt-Veje, C., Main, Katharina Maria, Schmidt, I. M., Boas, M., Jensen, T. K., Grandjean, P., Skakkebæk, Niels Erik & Andersen, H. R., 1 Jan 2011, In: Environmental Health. 10, p. 79

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Prenatal and adult exposures to smoking are associated with adverse effects on reproductive hormones, semen quality, final height and body mass index

    Ravnborg, T. L., Jensen, T. K., Andersson, A., Toppari, J., Skakkebæk, Niels Erik & Jørgensen, N., 18 Feb 2011, In: Human Reproduction. 26, 5, p. 1000-1011 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Testicular descent: INSL3, testosterone, genes and the intrauterine milieu

    Bay, K., Main, Katharina Maria, Toppari, J., Skakkebæk, Niels Erik & Medscape, M., 15 Mar 2011, In: Nature Reviews. Urology.

    Research output: Contribution to journalJournal articleResearch

  16. Published

    Sex differences in the vaccine-specific and non-targeted effects of vaccines

    Flanagan, K. L., Klein, S. L., Skakkebæk, Niels Erik, Marriott, I., Marchant, A., Selin, L., Fish, E. N., Prentice, A. M., Whittle, H., Benn, C. S. & Aaby, P., 16 Mar 2011, In: Vaccine. 29, 13, p. 2349-54 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Many putative endocrine disruptors inhibit prostaglandin synthesis

    Kristensen, D. M., Skalkam, M. L., Audouze, K. M. L., Lesné, L., Desdoits-Lethimonier, C., Frederiksen, H., Brunak, Søren, Skakkebæk, Niels Erik, Jégou, B., Hansen, Jacob B., Junker, S. & Leffers, H., 1 Apr 2011, In: Environmental Health Perspectives. 119, 4, p. 534-41 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Clinical and biological parameters in 166 boys, adolescents and adults with nonmosaic Klinefelter syndrome: a Copenhagen experience

    Aksglaede, L., Skakkebæk, Niels Erik, Almstrup, Kristian & Juul, Anders, 1 Jun 2011, In: Acta Paediatrica. 100, 6, p. 793-806 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Klinefelter syndrome: the forgotten syndrome: basic and clinical questions posed to an international group of scientists

    Juul, Anders, Aksglaede, L., Bay, K., Grigor, K. M. & Skakkebæk, Niels Erik, 1 Jun 2011, In: Acta Paediatrica. 100, 6, p. 791-2 2 p.

    Research output: Contribution to journalConference articleResearch

  20. Published

    Urinary excretion of phthalate metabolites in 129 healthy Danish children and adolescents: Estimation of daily phthalate intake

    Frederiksen, H., Aksglaede, L., Sørensen, K., Skakkebæk, Niels Erik, Juul, Anders & Andersson, A., 1 Jul 2011, In: Environmental Research. 111, 5, p. 656-63 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Heterozygous deletion at the RLN1 locus in a family with testicular germ cell cancer identified by integrating copy number variation data with phenome and interactome information

    Edsgärd, D., Scheel, M., Hansen, N. T., Ralfkiaer, U., Jensen, T. S., Skakkebæk, Niels Erik, Brunak, S., Gupta, R., Rajpert-De Meyts, E. & Ottesen, A. M., 1 Aug 2011, In: International Journal of Andrology. 34, 4 Pt 2, p. e122-32

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Pathogenesis of testicular carcinoma in situ and germ cell cancer: still more questions than answers

    Rajpert-De Meyts, E. & Skakkebæk, Niels Erik, 1 Aug 2011, In: International Journal of Andrology. 34, 4 Pt 2, p. e2-6

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Proceedings of the 7th Copenhagen Workshop on Testicular Carcinoma in situ and Germ Cell Cancer, 13-15 October 2010

    Rajpert-De Meyts, E., Grigor, K. M. & Skakkebæk, Niels Erik, 1 Aug 2011, In: International Journal of Andrology. 34, 4 Pt 2, p. e1

    Research output: Contribution to journalJournal articleResearch

  24. Published

    Recent adverse trends in semen quality and testis cancer incidence among Finnish men

    Jørgensen, N., Vierula, M., Jacobsen, R., Pukkala, E., Perheentupa, A., Virtanen, H. E., Skakkebæk, Niels Erik & Toppari, J., 1 Aug 2011, In: International Journal of Andrology. 34, 4 Pt 2, p. e37-48

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Screening of subfertile men for testicular carcinoma in situ by an automated image analysis-based cytological test of the ejaculate

    Almstrup, Kristian, Lippert, M., Mogensen, H. O., Nielsen, J. E., Hansen, J. D., Daugaard, G., Jørgensen, N., Foged, N., Skakkebæk, Niels Erik & Rajpert-De Meyts, E., 1 Aug 2011, In: International Journal of Andrology. 34, 4 Pt 2, p. e21-30; discussion e30-1

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Commentary: sperm counts, data responsibility, and good scientific practice

    Skakkebæk, Niels Erik, Andersson, A., Juul, Anders, Jensen, T. K., Almstrup, Kristian, Toppari, J. & Jørgensen, N., 1 Sep 2011, In: Epidemiology. 22, 5, p. 620-1 2 p.

    Research output: Contribution to journalLetterResearch

  27. Published

    The exposure of fetuses and children to endocrine disrupting chemicals: a European Society for Paediatric Endocrinology (ESPE) and Pediatric Endocrine Society (PES) call to action statement

    Skakkebæk, Niels Erik, Toppari, J., Söder, O., Gordon, C. M., Divall, S. & Draznin, M., 1 Oct 2011, In: Journal of Clinical Endocrinology and Metabolism. 96, 10, p. 3056-8 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Perinatal origin of testicular germ cell cancer: Possible involvement of developmental reprogramming

    Almstrup, Kristian, Meyts, E. R. D. & Skakkebæk, Niels Erik, 30 Nov 2011, Perinatal Programming: The State of the Art. Walter de Gruyter GmbH and Co. KG, p. 219-228 10 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  29. 2012
  30. Published

    45,X/46,XY mosaicism: phenotypic characteristics, growth, and reproductive function--a retrospective longitudinal study

    Lindhardt Johansen, M., Hagen, C. P., Rajpert-De Meyts, E., Kjærgaard, S., Petersen, B. L., Skakkebæk, Niels Erik, Main, Katharina Maria & Juul, Anders, 2012, In: Journal of Clinical Endocrinology and Metabolism. 97, 8, p. E1540-9

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    A novel double staining strategy for improved detection of testicular carcinoma in situ cells in human semen samples

    Nielsen, J. E., Kristensen, D. M., Almstrup, Kristian, Jørgensen, A., Olesen, I. A., Jacobsen, G. K., Horn, T., Skakkebæk, Niels Erik, Leffers, H., Rajpert-De Meyts, E. & Jacobsen, G., 2012, In: Andrologia. p. 78-85 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Adverse trends in male reproductive health and decreasing fertility rates

    Priskorn, L., Holmboe, S., Jørgensen, N., Andersson, A., Almstrup, Kristian, Toppari, J. & Skakkebæk, Niels Erik, 2012, In: Animal Reproduction Science. 31, 2, p. 760-771 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Association between chemical pattern in breast milk and congenital cryptorchidism: modelling of complex human exposures

    Krysiak-Baltyn, K., Toppari, J., Skakkebæk, Niels Erik, Jensen, T. S., Virtanen, H. E., Schramm, K., Shen, H., Vartiainen, T., Kiviranta, H., Taboureau, O., Audouze, K. M. L., Brunak, Søren & Main, Katharina Maria, 2012, In: International Journal of Andrology. 35, 3, p. 294-302 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Associations between congenital cryptorchidism in newborn boys and levels of dioxins and PCBs in placenta

    Virtanen, H. E., Koskenniemi, J. J., Sundqvist, E., Main, Katharina Maria, Kiviranta, H., Tuomisto, J. T., Tuomisto, J., Viluksela, M., Vartiainen, T., Skakkebæk, Niels Erik & Toppari, J., 2012, In: International Journal of Andrology. 35, 3, p. 283-93 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    Early breast development in girls after prenatal exposure to non-persistent pesticides

    Veje, C. W., Andersen, H. R., Schmidt, I. M., Aksglaede, L., Sørensen, K., Juul, Anders, Jensen, T. K., Grandjean, P., Skakkebæk, Niels Erik & Main, Katharina Maria, 2012, In: International Journal of Andrology. 35, 3, p. 273-82

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Endocrine-disrupting chemicals and public health protection: a statement of principles from The Endocrine Society

    Zoeller, R. T., Brown, T. R., Doan, L. L., Gore, A. C., Skakkebæk, Niels Erik, Soto, A. M., Woodruff, T. J. & Vom Saal, F. S., 2012, In: Endocrinology. 153, 9, p. 4097-110 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Expression of the vitamin D metabolizing enzyme CYP24A1 at the annulus of human spermatozoa may serve as a novel marker of semen quality

    Jensen, Martin Blomberg, Jørgensen, A., Nielsen, Jens Erik Klint, Bjerrum, P. J., Skalkam, M., Petersen, Jørgen Holm, Egeberg, D. L., Bangsbøll, S., Andersen, A. N., Skakkebæk, Niels Erik, Juul, Anders, Rajpert-De Meyts, E., Dissing, Steen, Leffers, H. & Jørgensen, N., 2012, In: International Journal of Andrology. 35, 4, p. 499-510 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    Goodbye International Journal of Andrology, welcome Andrology!

    Rajpert-De Meyts, E., Eliasson, R., Comhaire, F. H., Skakkebæk, Niels Erik, Sharpe, R. M. & Toppari, J., 2012, In: International Journal of Andrology. 36, 6, p. 769-774 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Human semen quality in the new millennium: a prospective cross-sectional population-based study of 4867 men

    Jørgensen, N., Joensen, Ulla Nordström, Jensen, T., Jensen, M., Almstrup, Kristian, Olesen, I., Juul, A., Andersson, A., Carlsen, E., Petersen, Jørgen Holm, Toppari, J. & Skakkebæk, Niels Erik, 2012, In: B M J Open. 2, 4, e000990.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    Increasing trends in childlessness in recent birth cohorts - a registry-based study of the total Danish male population born from 1945 to 1980

    Priskorn, L., Holmboe, S., Jacobsen, R., Jensen, T. K., Lassen, T. H. & Skakkebæk, Niels Erik, 2012, In: International Journal of Andrology. 35, 3, p. 449-55 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    Low concentration of circulating antimüllerian hormone is not predictive of reduced fecundability in young healthy women: a prospective cohort study

    Hagen, C. P., Vestergaard, S., Juul, Anders, Skakkebæk, Niels Erik, Andersson, A., Main, Katharina Maria, Hjøllund, N. H., Ernst, E., Bonde, Jens Peter, Anderson, R. A. & Jensen, T. K., 2012, In: Fertility and Sterility. 98, 6, p. 1602-8.e2

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Paraoxonase 1 polymorphism and prenatal pesticide exposure associated with adverse cardiovascular risk profiles at school age

    Andersen, H. R., Veje, C. W., Dalgård, C., Christiansen, L. T., Main, Katharina Maria, Nellemann, C. L., Murata, K., Jensen, T. K., Skakkebæk, Niels Erik & Grandjean, P., 2012, In: P L o S One. 7, 5, p. e36830

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Perinatal origin of testicular germ cell cancer: Possible involvement of developmental reprogramming

    Almstrup, H. K., Rajpert-De Meyts, E. & Skakkebæk, Niels Erik, 2012, Perinatal Programming: The State of the Art. Plagemann, A. (ed.). De Gruyter, p. 219-228 9 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  44. Published

    Possible developmental early effects of endocrine disrupters on child health

    Toppari, J., Adamsson, A., Boas, M., Juul, Anders, Main, Katharina Maria, Skakkebæk, Niels Erik & Virtanen, H., 2012, WHO report 2012. p. 1-83

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  45. Published

    Semen quality and reproductive hormone levels in men from Southern Spain

    Fernandez, M. F., Duran, I., Olea, N., Avivar, C., Vierula, M., Toppari, J., Skakkebæk, Niels Erik & Jørgensen, N., 2012, In: International Journal of Andrology. 35, p. 1-10 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Smaller genitals at school age in boys whose mothers were exposed to non-persistent pesticides in early pregnancy

    Veje, C. W., Andersen, H. R., Jensen, T. K., Grandjean, P., Skakkebæk, Niels Erik & Main, Katharina Maria, 2012, In: International Journal of Andrology. 35, 3, p. 265-72 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Special issue on the impact of endocrine disrupters on reproductive health

    Andersson, A., Bay, K., Grigor, K. M., Meyts, E. R. & Skakkebæk, Niels Erik, 2012, In: International Journal of Andrology. 35, 3, p. 215

    Research output: Contribution to journalJournal articleResearch

  48. Published

    Sunscreens: are they beneficial for health? An overview of endocrine disrupting properties of UV-filters

    Krause, M., Klit, A., Jensen, M. B., Søeborg, T., Frederiksen, H., Schlumpf, M., Lichtensteiger, W., Skakkebæk, Niels Erik & Drzewiecki, K. T., 2012, In: International Journal of Andrology. 35, 3, p. 424-36 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Testicular Dysgenesis Syndrom and Carcinoma In Situ Testis

    Rajpert-De Meyts, E., Almstrup, H. K. & Skakkebæk, Niels Erik, 2012, Atlas on the Human Testis. Jezek, D. (ed.). p. 159-178 19 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  50. Published

    The relationship between anogenital distance and reproductive hormone levels in adult men

    Eisenberg, M. L., Jensen, T. K., Walters, R. C., Skakkebæk, Niels Erik & Lipshultz, L. I., 2012, In: The Journal of Urology. 187, 2, p. 594-8 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    The testis in childhood between birth and puberty

    Rajpert-De Meyts, E., Almstrup, H. K. & Skakkebæk, Niels Erik, 2012, Atlas on the Human Testis: Normal Morphology and Pathology. p. 69-75 6 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  52. Published

    Trends in rates of natural conceptions among Danish women born during 1960-1984

    Lassen, T. H., Sobotka, T., Jensen, T. K., Jacobsen, R. S., Erb, K. & Skakkebæk, Niels Erik, 2012, In: Human Reproduction. 27, 9, p. 2815-22 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    Urinary phthalate excretion in 555 healthy Danish boys with and without pubertal gynaecomastia

    Mieritz, M. G., Frederiksen, H., Sørensen, K., Aksglaede, L., Mouritsen, A., Hagen, C. P., Skakkebæk, Niels Erik, Andersson, A. & Juul, Anders, 2012, In: International Journal of Andrology. 35, 3, p. 227-35 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 35319116