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2016 ; 165
(3
): 566-79
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English Wikipedia
Asprosin, a Fasting-Induced Glucogenic Protein Hormone
#MMPMID27087445
Romere C
; Duerrschmid C
; Bournat J
; Constable P
; Jain M
; Xia F
; Saha PK
; Del Solar M
; Zhu B
; York B
; Sarkar P
; Rendon DA
; Gaber MW
; LeMaire SA
; Coselli JS
; Milewicz DM
; Sutton VR
; Butte NF
; Moore DD
; Chopra AR
Cell
2016[Apr]; 165
(3
): 566-79
PMID27087445
show ga
Hepatic glucose release into the circulation is vital for brain function and
survival during periods of fasting and is modulated by an array of hormones that
precisely regulate plasma glucose levels. We have identified a fasting-induced
protein hormone that modulates hepatic glucose release. It is the C-terminal
cleavage product of profibrillin, and we name it Asprosin. Asprosin is secreted
by white adipose, circulates at nanomolar levels, and is recruited to the liver,
where it activates the G protein-cAMP-PKA pathway, resulting in rapid glucose
release into the circulation. Humans and mice with insulin resistance show
pathologically elevated plasma asprosin, and its loss of function via immunologic
or genetic means has a profound glucose- and insulin-lowering effect secondary to
reduced hepatic glucose release. Asprosin represents a glucogenic protein
hormone, and therapeutically targeting it may be beneficial in type II diabetes
and metabolic syndrome.
|Adipose Tissue, White/metabolism
[MESH]
|Amino Acid Sequence
[MESH]
|Animals
[MESH]
|Antibodies/administration & dosage
[MESH]
|Circadian Rhythm
[MESH]
|Cyclic AMP-Dependent Protein Kinases/metabolism
[MESH]