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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
The BBSome complex is thought to function as a coat complex required for sorting of specific membrane proteins to the primary cilia. The BBSome complex is required for ciliogenesis but is dispensable for centriolar satellite function. This ciliogenic function is mediated in part by the Rab8 GDP/GTP exchange factor, which localizes to the basal body and contacts the BBSome. Rab8(GTP) enters the primary cilium and promotes extension of the ciliary membrane. Firstly the BBSome associates with the ciliary membrane and binds to RAB3IP/Rabin8, the guanosyl exchange factor (GEF) for Rab8 and then the Rab8-GTP localizes to the cilium and promotes docking and fusion of carrier vesicles to the base of the ciliary membrane. The BBSome complex, together with the LTZL1, controls SMO ciliary trafficking and contributes to the sonic hedgehog (SHH) pathway regulation. Required for proper BBSome complex assembly and its ciliary localization.
基因功能參考文獻:
A pair of heterozygous nonsense mutations in BBS2 gene was identified in the proband, one being novel and the other recurrent. The novel mutation, p.Y644X, resides in exon 16 and was also found in the heterozygous state in the mother PMID: 26078953
we report here, for the first time, in Indian population, a novel, different profile of mutations in BBS genes (BBS3, BBS9, BBS10 and BBS2) compared to worldwide (BBS1 and 10) reports. PMID: 24400638
Our study shows that BBS2 mutations can cause nonsyndromic retinitis pigmentosa and highlights yet another candidate for this genetically heterogeneous condition. PMID: 25541840
Novel mutation (c.115+5G>A) in BBS2 found in Tunisian families with Bardet-Biedl syndrome. PMID: 23432027
Carrier frequency has been determined for two BBS2 mutations present in the Ashkenazi Jewish population. PMID: 23829372
Sequence analysis and subsequent RNA studies identified and confirmed a novel splice site mutation, c.472-2A>G, in BBS2. This mutation was also found in homozygous form in three subsequently studied Hutterite BBS patients from two different leuts. PMID: 20618352
A novel missense mutation found in BBS2 exon 4 and a novel intronic point mutation found in Bardet-Biedl syndrome patients. PMID: 12872256
BBS2 and BBS4 localized to cellular structures associated with motile cilia. PMID: 18299575
RET and BBS mutations modulate enteric innervation and cause syndromic Hirschsprung disease PMID: 19666486
Unaffected individuals in 2 pedigrees had 2 but not all 3 mutations that affecteds had which suggests that Bardet-Biedle syndrome might not be a single-gene recessive disease but a complex trait requiring three mutant alleles to manifest the phenotype. PMID: 11567139