[HTML][HTML] Metabolic cycles and signals for insulin secretion
MJ Merrins, BE Corkey, RG Kibbey, M Prentki - Cell metabolism, 2022 - cell.com
In this review, we focus on recent developments in our understanding of nutrient-induced
insulin secretion that challenge a key aspect of the" canonical" model, in which an oxidative …
insulin secretion that challenge a key aspect of the" canonical" model, in which an oxidative …
The physiological role of β-cell heterogeneity in pancreatic islet function
RKP Benninger, V Kravets - Nature Reviews Endocrinology, 2022 - nature.com
Endocrine cells within the pancreatic islets of Langerhans are heterogeneous in terms of
transcriptional profile, protein expression and the regulation of hormone release. Even …
transcriptional profile, protein expression and the regulation of hormone release. Even …
Functional, metabolic and transcriptional maturation of human pancreatic islets derived from stem cells
Transplantation of pancreatic islet cells derived from human pluripotent stem cells is a
promising treatment for diabetes. Despite progress in the generation of stem-cell-derived …
promising treatment for diabetes. Despite progress in the generation of stem-cell-derived …
The pathogenesis of diabetes
H Guo, H Wu, Z Li - International journal of molecular sciences, 2023 - mdpi.com
Diabetes is the most common metabolic disorder, with an extremely serious effect on health
systems worldwide. It has become a severe, chronic, non-communicable disease after …
systems worldwide. It has become a severe, chronic, non-communicable disease after …
β-cell deletion of the PKm1 and PKm2 isoforms of pyruvate kinase in mice reveals their essential role as nutrient sensors for the KATP channel
HR Foster, T Ho, E Potapenko, SM Sdao, SM Huang… - Elife, 2022 - elifesciences.org
Pyruvate kinase (PK) and the phosphoenolpyruvate (PEP) cycle play key roles in nutrient-
stimulated K ATP channel closure and insulin secretion. To identify the PK isoforms …
stimulated K ATP channel closure and insulin secretion. To identify the PK isoforms …
Role of reactive oxygen species in glucose metabolism disorder in diabetic pancreatic β-cells
E Mukai, S Fujimoto, N Inagaki - Biomolecules, 2022 - mdpi.com
The dysfunction of pancreatic β-cells plays a central role in the onset and progression of
type 2 diabetes mellitus (T2DM). Insulin secretory defects in β-cells are characterized by a …
type 2 diabetes mellitus (T2DM). Insulin secretory defects in β-cells are characterized by a …
A plasma membrane-associated glycolytic metabolon is functionally coupled to KATP channels in pancreatic α and β cells from humans and mice
Summary The ATP-sensitive K+(K ATP) channel is a key regulator of hormone secretion
from pancreatic islet endocrine cells. Using direct measurements of K ATP channel activity in …
from pancreatic islet endocrine cells. Using direct measurements of K ATP channel activity in …
Multi-tissue acceleration of the mitochondrial phosphoenolpyruvate cycle improves whole-body metabolic health
A Abulizi, RL Cardone, R Stark, SL Lewandowski… - Cell metabolism, 2020 - cell.com
The mitochondrial GTP (mtGTP)-dependent phosphoenolpyruvate (PEP) cycle couples
mitochondrial PEPCK (PCK2) to pyruvate kinase (PK) in the liver and pancreatic islets to …
mitochondrial PEPCK (PCK2) to pyruvate kinase (PK) in the liver and pancreatic islets to …
[HTML][HTML] Aberrant metabolite trafficking and fuel sensitivity in human pluripotent stem cell-derived islets
T Barsby, E Vähäkangas, J Ustinov, H Montaser… - Cell Reports, 2023 - cell.com
Pancreatic islets regulate blood glucose homeostasis through the controlled release of
insulin; however, current metabolic models of glucose-sensitive insulin secretion are …
insulin; however, current metabolic models of glucose-sensitive insulin secretion are …
What regulates basal insulin secretion and causes hyperinsulinemia?
BE Corkey, JT Deeney, MJ Merrins - Diabetes, 2021 - diabetesjournals.org
We hypothesize that basal hyperinsulinemia is synergistically mediated by an interplay
between increased oxidative stress and excess lipid in the form of reactive oxygen species …
between increased oxidative stress and excess lipid in the form of reactive oxygen species …