Cloning and characterization of a human leptin receptor using a biologically active leptin immunoadhesin

in Journal of Molecular Endocrinology
Authors:
S-M Luoh
Search for other papers by S-M Luoh in
Current site
Google Scholar
PubMed
Close
,
F Di Marco
Search for other papers by F Di Marco in
Current site
Google Scholar
PubMed
Close
,
N Levin
Search for other papers by N Levin in
Current site
Google Scholar
PubMed
Close
,
M Armanini
Search for other papers by M Armanini in
Current site
Google Scholar
PubMed
Close
,
M-H Xie
Search for other papers by M-H Xie in
Current site
Google Scholar
PubMed
Close
,
C Nelson
Search for other papers by C Nelson in
Current site
Google Scholar
PubMed
Close
,
G L Bennett
Search for other papers by G L Bennett in
Current site
Google Scholar
PubMed
Close
,
M Williams
Search for other papers by M Williams in
Current site
Google Scholar
PubMed
Close
,
S A Spencer
Search for other papers by S A Spencer in
Current site
Google Scholar
PubMed
Close
,
A Gurney
Search for other papers by A Gurney in
Current site
Google Scholar
PubMed
Close
, and
F J de Sauvage
Search for other papers by F J de Sauvage in
Current site
Google Scholar
PubMed
Close
Restricted access
Rent on DeepDyve

Sign up for journal news

ABSTRACT

Leptin, the product of the ob gene, is a hormone secreted by fat cells which is primarily involved in the regulation of body weight. We have generated a leptin immunoadhesin (leptin-IgG) which was more potent than leptin alone at reducing body weight and food intake when injected into ob/ob mice. This molecule was used to identify high affinity binding sites on human embryonic 293 kidney cells and subsequently to isolate a cDNA encoding the leptin receptor from this cell line by expression cloning. This receptor corresponds to the short form of the recently isolated leptin receptor. Analysis of the expression pattern of the two forms of receptor by Northern blot, in situ hybridization and quantitative PCR showed that the receptor is expressed in most tissues but that the long form is prevalent in the hypothalamus.