Role of third intracellular loop of the melanocortin 4 receptor in the regulation of constitutive activity
DC Field | Value | Language |
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dc.contributor.author | Kim, Do-Hun | - |
dc.contributor.author | Shin, Seung Woo | - |
dc.contributor.author | Baik, Ja-Hyun | - |
dc.date.accessioned | 2021-09-09T11:58:59Z | - |
dc.date.available | 2021-09-09T11:58:59Z | - |
dc.date.created | 2021-06-15 | - |
dc.date.issued | 2008-01-18 | - |
dc.identifier.issn | 0006-291X | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/124221 | - |
dc.description.abstract | The melanocortin 4 receptor (MC4R) has been reported to display constitutive activity, which is probably relevant to the maintenance of a normal energy balance. Among the clinically reported mutants of MC4R in human obesity patients, we investigated the functional characteristics of seven mutants characterized by mutations in the third intracellular (D) loop of MC4R. Via a CRE (cAMP responsive element)-mediated luciferase reporter gene assay, we show that most of these mutants displayed significantly reduced basal activity with reduced reporter gene activity, whereas the P230L mutant manifested significantly increased basal activity. When the dominant negative G(s) mutant was co-expressed, the majority of the mutants, including the P230L mutant, showed reduced basal activity. These results suggest that the D loop of MC4R is essential not only for the functional activity but also for the regulation and maintenance of an optimal constitutive activity of MC4R in association with G protein coupling, in the control of energy homeostasis. (c) 2007 Elsevier Inc. All rights reserved. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ACADEMIC PRESS INC ELSEVIER SCIENCE | - |
dc.subject | FUNCTIONAL ANALYSES | - |
dc.subject | ENERGY HOMEOSTASIS | - |
dc.subject | OBESE SUBJECTS | - |
dc.subject | MUTATIONS | - |
dc.subject | GENE | - |
dc.subject | SYSTEM | - |
dc.subject | IDENTIFICATION | - |
dc.subject | PREVALENCE | - |
dc.subject | PROTEINS | - |
dc.subject | COHORT | - |
dc.title | Role of third intracellular loop of the melanocortin 4 receptor in the regulation of constitutive activity | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Baik, Ja-Hyun | - |
dc.identifier.doi | 10.1016/j.bbrc.2007.10.170 | - |
dc.identifier.scopusid | 2-s2.0-36549054587 | - |
dc.identifier.wosid | 000251663100007 | - |
dc.identifier.bibliographicCitation | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, v.365, no.3, pp.439 - 445 | - |
dc.relation.isPartOf | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | - |
dc.citation.title | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | - |
dc.citation.volume | 365 | - |
dc.citation.number | 3 | - |
dc.citation.startPage | 439 | - |
dc.citation.endPage | 445 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Biochemistry & Molecular Biology | - |
dc.relation.journalResearchArea | Biophysics | - |
dc.relation.journalWebOfScienceCategory | Biochemistry & Molecular Biology | - |
dc.relation.journalWebOfScienceCategory | Biophysics | - |
dc.subject.keywordPlus | FUNCTIONAL ANALYSES | - |
dc.subject.keywordPlus | ENERGY HOMEOSTASIS | - |
dc.subject.keywordPlus | OBESE SUBJECTS | - |
dc.subject.keywordPlus | MUTATIONS | - |
dc.subject.keywordPlus | GENE | - |
dc.subject.keywordPlus | SYSTEM | - |
dc.subject.keywordPlus | IDENTIFICATION | - |
dc.subject.keywordPlus | PREVALENCE | - |
dc.subject.keywordPlus | PROTEINS | - |
dc.subject.keywordPlus | COHORT | - |
dc.subject.keywordAuthor | melanocortin | - |
dc.subject.keywordAuthor | melanocortin 4 receptor | - |
dc.subject.keywordAuthor | constitutive activity | - |
dc.subject.keywordAuthor | G protein | - |
dc.subject.keywordAuthor | intracellular loop | - |
dc.subject.keywordAuthor | obesity | - |
dc.subject.keywordAuthor | mutation | - |
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