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Pancreatic Thyrotropin Releasing Hormone and Mechanism of Insulin Secretion

open access: yesCellular Physiology and Biochemistry, 2018
Thyrotropin releasing hormone (TRH; pGlu-His-ProNH2) is expressed also in pancreatic β cells where it is colocalized in secretory granules with insulin.
Vladimír  Štrbák
doaj   +1 more source

Dynamics of Insulin Secretion from EndoC-βH1 β-Cell Pseudoislets in Response to Glucose and Other Nutrient and Nonnutrient Secretagogues

open access: yesJournal of Diabetes Research, 2017
The dynamics of insulin secretion were characterized in response to a variety of physiological and pharmacological stimulators and other compounds in perifused pseudoislets generated from cells of the EndoC-βH1 β-cell line.
Hiroki Teraoku, Sigurd Lenzen
doaj   +1 more source

Secrets of insulin and IGF-1 regulation of insulin secretion revealed [PDF]

open access: yesBiochemical Journal, 2004
There has been ongoing controversy over the respective roles of insulin-like growth factor-1 receptors and insulin receptors in controlling insulin release from β-cells of the pancreas. An acute knock-down experiment exploiting small interfering RNA approaches provides a resolution: both are required.
openaire   +2 more sources

Basal hypersecretion of glucagon and insulin from palmitate-exposed human islets depends on FFAR1 but not decreased somatostatin secretion

open access: yesScientific Reports, 2017
In obesity fasting levels of both glucagon and insulin are elevated. In these subjects fasting levels of the free fatty acid palmitate are raised. We have demonstrated that palmitate enhances glucose-stimulated insulin secretion from isolated human ...
H. Kristinsson   +5 more
doaj   +1 more source

Genome-Wide Interaction with Insulin Secretion Loci Reveals Novel Loci for Type 2 Diabetes in African Americans.

open access: yesPLoS ONE, 2016
Type 2 diabetes (T2D) is the result of metabolic defects in insulin secretion and insulin sensitivity, yet most T2D loci identified to date influence insulin secretion.
Jacob M Keaton   +15 more
doaj   +1 more source

Association between glucose peak time in oral glucose tolerance test and insulin secretion during pregnancy

open access: yesThe Journal of Maternal-Fetal & Neonatal Medicine
Objectives This study aimed to develop an efficient method for evaluating islet function in pregnant women by analyzing the peak times of plasma glucose and insulin secretion during an oral glucose tolerance test.Methods This prospective study included ...
Huaying Ye, Yangyang Chang, Huaping Li
doaj   +1 more source

Insulin secretion and capsaicin [PDF]

open access: yesThe American Journal of Clinical Nutrition, 2007
Alevizos, Alevizos   +3 more
openaire   +2 more sources

Insulin secretion

open access: yes, 2020
EXCLI Journal;Vol.
Gheibi, Sevda, Ghasemi, Asghar
openaire   +2 more sources

LRRC8 channel complexes counterbalance KATP channels to mediate swell-secretion coupling in mouse pancreatic β cells

open access: yesJCI Insight
Insulin secretion from pancreatic β cells is initiated by membrane potential depolarization, followed by activation of voltage-gated Ca2+ channels to trigger Ca2+-mediated insulin vesicle fusion with the β cell plasma membrane.
Tarek Mohamed Abd El-Aziz   +7 more
doaj   +1 more source

SUCNR1 regulates insulin secretion and glucose elevates the succinate response in people with prediabetes

open access: yesThe Journal of Clinical Investigation
Pancreatic β cell dysfunction is a key feature of type 2 diabetes, and novel regulators of insulin secretion are desirable. Here, we report that succinate receptor 1 (SUCNR1) is expressed in β cells and is upregulated in hyperglycemic states in mice and ...
Joan Sabadell-Basallote   +19 more
doaj   +1 more source

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