Cloning, characterization and tissue-specific expression of the gene encoding bovine keratocan, a corneal keratan sulfate proteoglycan.

Cloning, characterization and tissue-specific expression of the gene encoding bovine keratocan, a corneal keratan sulfate proteoglycan.
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编码牛角质蛋白(一种角膜硫酸角质素蛋白多糖)的基因的克隆、表征和组织特异性表达。

DOI:
10.1016/s0378-1119(98)00390-4
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发表时间:
1998
期刊:
影响因子:
3.5
通讯作者:
Conrad,GW
Conrad,GW
中科院分区:
生物学3区
文献类型:
--
作者:
Tasheva,ES;Funderburgh,JL;Corpuz,LM;Conrad,GW

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角膜蛋白聚糖是角膜中特征性表达的三种主要硫酸角质素蛋白聚糖之一。我们之前报道了牛Kera cDNA的序列。本研究对牛Kera基因进行了克隆和测序,并对其表达模式进行了研究。Kera基因由三个外显子和两个内含子组成,跨越8.830kb的牛基因组。第一外显子5′-UTR序列包含287个核苷酸。1322和4178 bp的两个大内含子都含有(CA)n重复序列。牛Kera基因在tsp上游28 bp处有一个TATA盒。引物延伸和S1核酸酶保护分析用于确定主要tsp。RPA结果显示角膜和巩膜是Ktcn mRNA表达最高的两种组织。这种在眼组织中的受限表达,以及角膜中具有长硫酸角质素链的角膜蛋白聚糖的独特修饰,表明该分子可能在发展和维持角膜透明度方面很重要。
Keratocan is one of three major keratan sulfate proteoglycans characteristically expressed in cornea. We reported previously the sequence of bovine Kera cDNA. In this study, the complete bovine Kera gene was cloned and sequenced, and its expression pattern was determined. The Kera gene is composed of three exons and two introns that span 8.830kb of the bovine genome. The first exon contains 287 nucleotides of 5′-UTR sequence. Both of the two large introns of 1322 and 4178bp contain (CA)n repeats. The bovine Kera gene has a TATA box that is located 28bp upstream from tsp. Primer extension and S1 nuclease protection analyses were used to determine the major tsp. RPA indicate that cornea and sclera are the two tissues with the highest expression of Ktcn mRNA. This restricted expression in eye tissues, as well as the unique modification of keratocan with long keratan sulfate chains in cornea, suggests that this molecule may be important in developing and maintaining corneal transparency.
角膜硫酸角质素链中不同二糖结构的恒定和可变结构域。
DOI: --
发表时间: 1987
影响因子: 4.1
作者:
M. Oeben;R. Keller;H. Stuhlsatz;H. Greiling
通讯作者: H. Greiling
三种硫酸角质素蛋白多糖亚型的独特糖基化。
DOI: --
发表时间: 1991
期刊: The Journal of biological chemistry
影响因子: --
作者:
Funderburgh,JL;Funderburgh,ML;Mann,MM;Conrad,GW
通讯作者: Conrad,GW
DOI: 10.1016/s0021-9258(18)48500-6
发表时间: 1992-01
期刊: The Journal of biological chemistry
影响因子: --
作者:
T. C. Blochberger;J. Vergnes;J. Hempel;J. Hassell
通讯作者: T. C. Blochberger;J. Vergnes;J. Hempel;J. Hassell
DOI: 10.1101/gad.3.7.973
发表时间: 1989-07-01
影响因子: 10.5
作者:
DILIBERTO, M;LAI, ZC;CHILDS, G
通讯作者: CHILDS, G
DOI: --
发表时间: 1994
期刊: The Journal of biological chemistry
影响因子: --
作者:
Scholzen,T;Solursh,M;Suzuki,S;Reiter,R;Morgan,JL;Buchberg,AM;Siracusa,LD;Iozzo,RV
通讯作者: Iozzo,RV