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Valproic Acid is Known to Cause Hypospadias in Man but does not Reduce Anogenital Distance or Causes Hypospadias in Rats.

Källén, Bengt LU (2004) In Pharmacology and Toxicology 94(1). p.51-54
Abstract
The use of valproic acid during human pregnancy increases the risk of hypospadias in the offspring. Rats exposed in utero to valproic acid did not develop hypospadias and even had a slightly increased anogenital distance in males 3-4 days after birth. A classical antiandrogenic drug, flutamide, caused hypospadias as well as a reduction of the anogenital distance in males. At the age of 3 months, rats exposed in utero with either valproic acid or flutamide showed a reduced testicular weight and hypoplasia of tubules, which seemed not to be related to the antiandrogenic activity of flutamide as it did not correlate with the presence of hypospadias. The mechanism through which valproic acid causes hypospadias in man and affects testicular... (More)
The use of valproic acid during human pregnancy increases the risk of hypospadias in the offspring. Rats exposed in utero to valproic acid did not develop hypospadias and even had a slightly increased anogenital distance in males 3-4 days after birth. A classical antiandrogenic drug, flutamide, caused hypospadias as well as a reduction of the anogenital distance in males. At the age of 3 months, rats exposed in utero with either valproic acid or flutamide showed a reduced testicular weight and hypoplasia of tubules, which seemed not to be related to the antiandrogenic activity of flutamide as it did not correlate with the presence of hypospadias. The mechanism through which valproic acid causes hypospadias in man and affects testicular development in rat is unknown. Hypospadias caused by valproic acid in man is apparently not due to anti-androgenic properties of the drug. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Pharmacology and Toxicology
volume
94
issue
1
pages
51 - 54
publisher
Wiley-Blackwell
external identifiers
  • pmid:14725615
  • wos:000221123500008
  • scopus:1642347073
ISSN
1600-0773
DOI
10.1111/j.1742-7843.2004.pto940109.x
language
English
LU publication?
yes
id
837af0fc-0bb6-4686-ad66-12efa14397ce (old id 122509)
alternative location
http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=Retrieve&db=PubMed&list_uids=14725615&dopt=Abstract
date added to LUP
2016-04-01 12:25:51
date last changed
2022-01-27 03:38:31
@article{837af0fc-0bb6-4686-ad66-12efa14397ce,
  abstract     = {{The use of valproic acid during human pregnancy increases the risk of hypospadias in the offspring. Rats exposed in utero to valproic acid did not develop hypospadias and even had a slightly increased anogenital distance in males 3-4 days after birth. A classical antiandrogenic drug, flutamide, caused hypospadias as well as a reduction of the anogenital distance in males. At the age of 3 months, rats exposed in utero with either valproic acid or flutamide showed a reduced testicular weight and hypoplasia of tubules, which seemed not to be related to the antiandrogenic activity of flutamide as it did not correlate with the presence of hypospadias. The mechanism through which valproic acid causes hypospadias in man and affects testicular development in rat is unknown. Hypospadias caused by valproic acid in man is apparently not due to anti-androgenic properties of the drug.}},
  author       = {{Källén, Bengt}},
  issn         = {{1600-0773}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{51--54}},
  publisher    = {{Wiley-Blackwell}},
  series       = {{Pharmacology and Toxicology}},
  title        = {{Valproic Acid is Known to Cause Hypospadias in Man but does not Reduce Anogenital Distance or Causes Hypospadias in Rats.}},
  url          = {{https://lup.lub.lu.se/search/files/2920270/623992.pdf}},
  doi          = {{10.1111/j.1742-7843.2004.pto940109.x}},
  volume       = {{94}},
  year         = {{2004}},
}