MOLECULAR-CLONING OF MURINE BST-1 HAVING HOMOLOGY WITH CD38 AND APLYSIA ADP-RIBOSYL CYCLASE

被引:95
作者
ITOH, M [1 ]
ISHIHARA, K [1 ]
TOMIZAWA, H [1 ]
TANAKA, H [1 ]
KOBUNE, Y [1 ]
ISHIKAWA, J [1 ]
KAISHO, T [1 ]
HIRANO, T [1 ]
机构
[1] OSAKA UNIV, SCH MED, BIOMED RES CTR, DIV MOLEC ONCOL, SUITA, OSAKA 565, JAPAN
关键词
D O I
10.1006/bbrc.1994.2325
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Human BST-1, a bone marrow stromal cell surface antigen, is a glycosyl-phosphatidylinositol-anchored protein that facilitates the growth of pre-B cells. We report here the molecular cloning of murine BST-1 cDNA. The deduced amino acid sequence of murine BST-1 had 71% similarity with human BST-1 and 30 and 25% similarity with CD38 and Aplysia adenosine diphosphate-ribosyl cyclase, respectively. Murine BST-1 mRNA was expressed in the bone marrow, spleen and thymus in lymphoid organs, and the lung, kidney and heart in nonlymphoid organs. Restriction fragment length polymorphism (RFLP) was shown in BALB/c, DBA/2 and NZB vs C57BL/6, A/J, CBA/N, NZW, BXSB and MRL/lpr. RFLP was mapped to the 5' portion of the murine BST-1 gene. (C) 1994 Academic Press, Inc.
引用
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页码:1309 / 1317
页数:9
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