Mutation of ARX causes abnormal development of forebrain and testes in mice and X-linked lissencephaly with abnormal genitalia in humans

Kunio Kitamura, Masako Yanazawa, Noriyuki Sugiyama, Hirohito Miura, Akiko Iizuka-Kogo, Masatomo Kusaka, Kayo Omichi, Rika Suzuki, Yuko Kato-Fukui, Kyoko Kamiirisa, Mina Matsuo, Shin Ichi Kamijo, Megumi Kasahara, Hidefumi Yoshioka, Tsutomu Ogata, Takayuki Fukuda, Ikuko Kondo, Mitsuhiro Kato, William B. Dobyns, Minesuke YokoyamaKen-Ichirou Morohashi

Research output: Contribution to journalArticle

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Abstract

Male embryonic mice with mutations in the X-linked aristaless-related homeobox gene (Arx) developed with small brains due to suppressed proliferation and regional deficiencies in the forebrain. These mice also showed aberrant migration and differentiation of interneurons containing γ-aminobutyric acid (GABAergic interneurons) in the ganglionic eminence and neocortex as well as abnormal testicular differentiation. These characteristics recapitulate some of the clinical features of X-linked lissencephaly with abnormal genitalia (XLAG) in humans. We found multiple loss-of-function mutations in ARX in individuals affected with XLAG and in some female relatives, and conclude that mutation of ARX causes XLAG. The present report is, to our knowledge, the first to use phenotypic analysis of a knockout mouse to identify a gene associated with an X-linked human brain malformation.

Original languageEnglish
Pages (from-to)359-369
Number of pages11
JournalNature genetics
Volume32
Issue number3
DOIs
Publication statusPublished - Nov 1 2002
Externally publishedYes

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Classical Lissencephalies and Subcortical Band Heterotopias
Genitalia
Prosencephalon
Testis
Interneurons
Mutation
Aminobutyrates
Homeobox Genes
Neocortex
Brain
Knockout Mice
Genes

All Science Journal Classification (ASJC) codes

  • Genetics

Cite this

Mutation of ARX causes abnormal development of forebrain and testes in mice and X-linked lissencephaly with abnormal genitalia in humans. / Kitamura, Kunio; Yanazawa, Masako; Sugiyama, Noriyuki; Miura, Hirohito; Iizuka-Kogo, Akiko; Kusaka, Masatomo; Omichi, Kayo; Suzuki, Rika; Kato-Fukui, Yuko; Kamiirisa, Kyoko; Matsuo, Mina; Kamijo, Shin Ichi; Kasahara, Megumi; Yoshioka, Hidefumi; Ogata, Tsutomu; Fukuda, Takayuki; Kondo, Ikuko; Kato, Mitsuhiro; Dobyns, William B.; Yokoyama, Minesuke; Morohashi, Ken-Ichirou.

In: Nature genetics, Vol. 32, No. 3, 01.11.2002, p. 359-369.

Research output: Contribution to journalArticle

Kitamura, K, Yanazawa, M, Sugiyama, N, Miura, H, Iizuka-Kogo, A, Kusaka, M, Omichi, K, Suzuki, R, Kato-Fukui, Y, Kamiirisa, K, Matsuo, M, Kamijo, SI, Kasahara, M, Yoshioka, H, Ogata, T, Fukuda, T, Kondo, I, Kato, M, Dobyns, WB, Yokoyama, M & Morohashi, K-I 2002, 'Mutation of ARX causes abnormal development of forebrain and testes in mice and X-linked lissencephaly with abnormal genitalia in humans', Nature genetics, vol. 32, no. 3, pp. 359-369. https://doi.org/10.1038/ng1009
Kitamura, Kunio ; Yanazawa, Masako ; Sugiyama, Noriyuki ; Miura, Hirohito ; Iizuka-Kogo, Akiko ; Kusaka, Masatomo ; Omichi, Kayo ; Suzuki, Rika ; Kato-Fukui, Yuko ; Kamiirisa, Kyoko ; Matsuo, Mina ; Kamijo, Shin Ichi ; Kasahara, Megumi ; Yoshioka, Hidefumi ; Ogata, Tsutomu ; Fukuda, Takayuki ; Kondo, Ikuko ; Kato, Mitsuhiro ; Dobyns, William B. ; Yokoyama, Minesuke ; Morohashi, Ken-Ichirou. / Mutation of ARX causes abnormal development of forebrain and testes in mice and X-linked lissencephaly with abnormal genitalia in humans. In: Nature genetics. 2002 ; Vol. 32, No. 3. pp. 359-369.
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