Cited by 782Sexual Differentiation and DisordersUrological Disorders and TreatmentsEffects and risks of endocrine disrupting chemicals

The DOI matches its Crossref record; 63 of the 63 references it cites were found in a registry or an index.

Identification in rats of a programming window for reproductive tract masculinization, disruption of which leads to hypospadias and cryptorchidism

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Abstract

Becoming a phenotypic male is ultimately determined by androgen-induced masculinization. Disorders of fetal masculinization, resulting in hypospadias or cryptorchidism, are common, but their cause remains unclear. Together with the adult-onset disorders low sperm count and testicular cancer, they can constitute a testicular dysgenesis syndrome (TDS). Although masculinization is well studied, no unifying concept explains normal male reproductive development and its abnormalities, including TDS. We exposed rat fetuses to either anti-androgens or androgens and showed that masculinization of all reproductive tract tissues was programmed by androgen action during a common fetal programming window. This preceded morphological differentiation, when androgen action was, surprisingly, unnecessary. Only within the programming window did blocking androgen action induce hypospadias and cryptorchidism and altered penile length in male rats, all of which correlated with anogenital distance (AGD). Androgen-driven masculinization of females was also confined to the same programming window. This work has identified in rats a common programming window in which androgen action is essential for normal reproductive tract masculinization and has highlighted that measuring AGD in neonatal humans could provide a noninvasive method to predict neonatal and adult reproductive disorders. Based on the timings in rats, we believe the programming window in humans is likely to be 8-14 weeks of gestation.

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Research works printed but not linked: 10

  1. Jost, 1972, Johns Hopkins Med. J., 130, 38
  2. Sharpe, 2008, Fertil. Steril.
  3. Inomata, 1985, Jikken Dobutsu., 34, 439
  4. Jirasek, 1977, Birth Defects Orig. Artic. Ser., 13, 13
  5. Wyndham, 1943, J. Anat., 77, 179
  6. 10.1210/en.131.3.1149 · DOI
  7. Jost, 1973, Recent Prog. Horm. Res., 29, 1
  8. Stinnakre, 1975, Arch. Anat. Microsc. Morphol. Exp., 64, 45
  9. Murakami, 1987, J. Anat., 153, 223
  10. Hsieh, 2008, Curr. Urol. Rep.

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Metadata

Authors
Welsh, M., Saunders, P. T. K., Fisken, M., Scott, H. M., Hutchison, G. R., Smith, L. B., & Sharpe, R. M.
Affiliations
The Queen's Medical Research Institute (GB)
Corresponding author
Welsh, Michelle
Venue
Journal of Clinical Investigation
Published
2008-04-01
Volume
118
Issue
4
Pages
1479-1490
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2003163696
Cited by
781
References
61
Citations by year
2026: 23 · 2025: 39 · 2024: 27 · 2023: 54 · 2022: 58 · 2021: 43 · 2020: 54 · 2019: 47 · 2018: 49 · 2017: 38 · 2016: 45 · 2015: 48 · 2014: 45 · 2013: 42 · 2012: 39
FWCI
17.53
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Edinburgh Napier Research Repository (Edinburgh Napier University) (submittedVersion, cc-by-nc)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (submittedVersion)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, other-oa)
Funders
Medical Research Council
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Sexual Differentiation and Disorders
  • Health Sciences › Medicine › Urology › Urological Disorders and Treatments
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Effects and risks of endocrine disrupting chemicals
Keywords
fetal programming, hypospadias, cryptorchidism, testicular dysgenesis, androgen action, androgen receptor antagonists, androgens, anogenital distance, penile length, fetal development, pregnancy timing
MeSH terms
Androgens, Animals, Cryptorchidism, Embryo, Mammalian, Female, Gonads, Hypospadias, Male, Receptors, Androgen, Sex Characteristics, Sex Differentiation, Testosterone, Rats, Wistar, Rats

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