Differential Expression of an Acidic Domain in the Amino-terminal Propeptide of Mouse Pro-2(XI) Collagen by Complex Alternative Splicing (*)
Differential Expression of an Acidic Domain in the Amino-terminal Propeptide of Mouse Pro-2(XI) Collagen by Complex Alternative Splicing (*)
复制标题
小鼠 Pro-2(XI) 胶原蛋白氨基末端前肽中酸性结构域通过复杂选择性剪接的差异表达 (*)
DOI:
--
复制
发表时间:
1995
影响因子:
4.8
通讯作者:
T. Kimura
中科院分区:
文献类型:
--
作者:
N. Tsumaki;T. Kimura
We isolated and sequenced genomic and cDNA clones encoding the complete amino-terminal portion and the 5′-untranslated region of mouse pro-α2(XI) collagen mRNA. Fourteen exons encoded the amino-terminal propeptide, which was divided into three consecutive domains (a long globular domain, an amino-terminal triple helical domain, and a telopeptide domain). The long globular domain was further divided into an upstream basic subdomain and a downstream highly acidic subdomain, as is the case for the amino-terminal propeptides of pro-α1(V) and pro-α1(XI) collagens. We also demonstrated that the primary transcript undergoes complex alternative splicing. Three consecutive exons (exons 6, 7, and 8) encoding most of the acidic subdomain showed alternative splicing which dramatically affected the structure of the amino-terminal propeptide of pro-α2(XI) collagen. Using the reverse transcription-polymerase chain reaction, we analyzed the expression of these exons in various tissues and in developing limb buds of mice. The pro-α2(XI) transcripts were abundant in cartilage, but most of them lacked the 3-exon sequences encoding the acidic domain. Most of other tissues also contained mRNAs that corresponded to longer splice variants, including exons 6-8. The differential expression of specific domains of pro-α2(XI) collagen may be important in modulating interactions between various components of the extracellular matrix and/or may influence heterotypic collagen assembly.
登录
查看更多内容
DOI:
--
发表时间:
1991
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Thom,JR;Morris,NP
通讯作者:
Morris,NP
影响因子:
4
作者:
D. Birk;J. Fitch;J. Babiarz;K. Doane;T. Linsenmayer
通讯作者:
D. Birk;J. Fitch;J. Babiarz;K. Doane;T. Linsenmayer
DOI:
--
发表时间:
1992
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Nah,HD;Barembaum,M;Upholt,WB
通讯作者:
Upholt,WB
DOI:
--
发表时间:
1991
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Brown,KE;Lawrence,R;Sonenshein,GE
通讯作者:
Sonenshein,GE
DOI:
10.1016/s0021-9258(18)54517-8
发表时间:
1991-12
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Hyun-Duck Nah;W. B. Upholt
通讯作者:
Hyun-Duck Nah;W. B. Upholt