사람 배아의 두개안면 조직과 연골세포에서 발현되는 새로운 유전인자 동정을 위한 분자생물학적 검색 - 유전자의 초기 확인 및 특성 연구 -
(주)코리아스칼라
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- 2023.04.05
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- 2005.04
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서지정보
ㆍ발행기관 : 대한구강악안면병리학회
ㆍ수록지정보 : 대한구강악안면병리학회지 / 29권 / 2호
ㆍ저자명 : 이영준, 이상신, 이석근
영어 초록
In order to obtain novel genes related to the human craniofacial development, molecular cloning and sequencing, and in situ hybridization using craniofacial tissue sections were performed and followed by protein structure simulation. Totally 231 clones were obtained from the subtracted craniofacial tissue cDNA library of human embryo. Random cloning using the non-redundant clones from the craniofacial tissue of human embryo was done and obtained 398 clones from the premade human chondrocyte cDNA library. Their partial sequence data showed that 214 clones of subtracted cDNA library of craniofacial tissue were still non-redundant in Genebank search. And 20 clones among 498 clones of premade chondrocyte cDNA library were known to be undefined genes. Through in situ hybridization screening in the craniofacial tissue sections of 10 weeks old human embryo 36 clones were found to be positive in specific tissues. Depending on the cell types of sirnilar developmental origin, the positive reactions could be divided into five groups. Among the 20 clones of undefined genes from human chondrocyte cDNA library, 7 clones showed characteristic positive reaction in human cartilage tissue by in situ hybridization. From the simulated protein structure, motif analysis and in situ hybridization studies for the 7 undefined clones, Ch89, Ch96, Ch129, Ch285 clones may function in the outer space of the cell constituting a part of matrix protein complex, and Ch276 as a transmembrane protein which might partic ipate in matrix calcification around chondrocytes. Ch153 is a kind of antirnicrobial protein also acting as an inflammation mediator, and Ch334 clone is a zinc finger protein, of which expression increases in human adult tissues We presume these novel genes from human chondrocytes may provide a new path of chondrocyte development and functions of human craniofacial tissues
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