MOLECULAR-CLONING AND FUNCTIONAL EXPRESSION OF RAT CDNAS ENCODING THE RECEPTOR FOR PITUITARY ADENYLATE-CYCLASE ACTIVATING POLYPEPTIDE (PACAP)

被引：157
作者：
HOSOYA, M
ONDA, H
OGI, K
MASUDA, Y
MIYAMOTO, Y
OHTAKI, T
OKAZAKI, H
ARIMURA, A
FUJINO, M
机构：
[1] TAKEDA CHEM IND LTD,DISCOVERY RES LABS,10 WADAI,TSUKUBA,IBARAKI 30042,JAPAN
[2] TULANE UNIV,HEBERT CTR,US JAPAN BIOMED RES LABS,BELLE CHASSE,LA
[3] TULANE UNIV,SCH MED,DEPT MED,NEW ORLEANS,LA 70112
[4] TULANE UNIV,SCH MED,DEPT PHYSIOL,NEW ORLEANS,LA 70112
[5] TULANE UNIV,SCH MED,DEPT ANAT,NEW ORLEANS,LA 70112
来源：
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 1993年 / 194卷 / 01期
关键词：
D O I：
10.1006/bbrc.1993.1795
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：
Two types of cDNA encoding PACAP receptors were isolated from the rat brain cDNA library by homology screening with a cDNA probe for VIP receptor. Nucleotide sequence analysis indicated that these two types of receptor mRNA were generated by alternative splicing mechanisms. These two cloned cDNAs were introduced into CHO cells respectively. Resultant transformants showed specific binding to [125I]PACAP27 which was displaced by unlabeled PACAP27 but not by VIP. Thus, these receptors are two subtypes of Type I PACAP receptor (Type I-A and Type I-B). The amino acid sequences of rat PACAP receptors deduced by the cDNAs showed a remarkable similarity with rat receptors for VIP, secretin, glucagon, and GHRH. A 6.5 kb significant hybridizing signal of the PACAP receptor mRNA was detected in the rat brain, and slight signal was also detected in the lung and the liver. © 1993 Academic Press, Inc.
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页码：133 / 143
页数：11
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