A mouse model for osseous heteroplasia.
A mouse model for osseous heteroplasia.
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DOI:
10.1371/journal.pone.0051835
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Peters J
中科院分区:
文献类型:
--
作者:
Cheeseman MT;Vowell K;Hough TA;Jones L;Pathak P;Tyrer HE;Kelly M;Cox R;Warren MV;Peters J
GNAS/Gnas encodes Gsα that is mainly biallelically expressed but shows imprinted expression in some tissues. In Albright Hereditary Osteodystrophy (AHO) heterozygous loss of function mutations of GNAS can result in ectopic ossification that tends to be superficial and attributable to haploinsufficiency of biallelically expressed Gsα. Oed-Sml is a point missense mutation in exon 6 of the orthologous mouse locus Gnas. We report here both the late onset ossification and occurrence of benign cutaneous fibroepithelial polyps in Oed-Sml. These phenotypes are seen on both maternal and paternal inheritance of the mutant allele and are therefore due to an effect on biallelically expressed Gsα. The ossification is confined to subcutaneous tissues and so resembles the ossification observed with AHO. Our mouse model is the first with both subcutaneous ossification and fibroepithelial polyps related to Gsα deficiency. It is also the first mouse model described with a clinically relevant phenotype associated with a point mutation in Gsα and may be useful in investigations of the mechanisms of heterotopic bone formation. Together with earlier results, our findings indicate that Gsα signalling pathways play a vital role in repressing ectopic bone formation.
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DOI:
10.1073/pnas.0408268102
发表时间:
2005-05-17
影响因子:
11.1
作者:
Chen, M;Gavrilova, O;Weinstein, LS
通讯作者:
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影响因子:
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作者:
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影响因子:
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作者:
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通讯作者:
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影响因子:
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作者:
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通讯作者:
Kaplan, FS
DOI:
10.1073/pnas.95.26.15475
发表时间:
1998-12-22
影响因子:
11.1
作者:
Hayward, BE;Moran, V;Bonthron, DT
通讯作者:
Bonthron, DT