Metabolic signaling in fuel-induced insulin secretion

M Prentki, FM Matschinsky, SRM Madiraju - Cell metabolism, 2013 - cell.com
The pancreatic islet β cell senses circulating levels of calorigenic nutrients to secrete insulin
according to the needs of the organism. Altered insulin secretion is linked to various …

Is type 2 diabetes a glycogen storage disease of pancreatic β cells?

FM Ashcroft, M Rohm, A Clark, MF Brereton - Cell metabolism, 2017 - cell.com
Elevated plasma glucose leads to pancreatic β cell dysfunction and death in type 2 diabetes.
Glycogen accumulation, due to impaired metabolism, contributes to this" glucotoxicity" via …

Virgin beta cells persist throughout life at a neogenic niche within pancreatic islets

T van der Meulen, AM Mawla, MR DiGruccio… - Cell metabolism, 2017 - cell.com
Postnatal maintenance or regeneration of pancreatic beta cells is considered to occur
exclusively via the replication of existing beta cells, but clinically meaningful restoration of …

[HTML][HTML] Single-cell transcriptomics of human islet ontogeny defines the molecular basis of β-cell dedifferentiation in T2D

D Avrahami, YJ Wang, J Schug, E Feleke, L Gao… - Molecular …, 2020 - Elsevier
Objective Dedifferentiation of pancreatic β-cells may reduce islet function in type 2 diabetes
(T2D). However, the prevalence, plasticity and functional consequences of this cellular state …

PDX1LOW MAFALOW β-cells contribute to islet function and insulin release

D Nasteska, NHF Fine, FB Ashford, F Cuozzo… - Nature …, 2021 - nature.com
Transcriptionally mature and immature β-cells co-exist within the adult islet. How such
diversity contributes to insulin release remains poorly understood. Here we show that subtle …

Human islets expressing HNF1A variant have defective β cell transcriptional regulatory networks

R Haliyur, X Tong, M Sanyoura… - The Journal of …, 2019 - Am Soc Clin Investig
Using an integrated approach to characterize the pancreatic tissue and isolated islets from a
33-year-old with 17 years of type 1 diabetes (T1D), we found that donor islets contained β …

Identification and Functional Characterization of G6PC2 Coding Variants Influencing Glycemic Traits Define an Effector Transcript at the G6PC2-ABCB11 Locus

A Mahajan, X Sim, HJ Ng, A Manning, MA Rivas… - PLoS …, 2015 - journals.plos.org
Genome wide association studies (GWAS) for fasting glucose (FG) and insulin (FI) have
identified common variant signals which explain 4.8% and 1.2% of trait variance …

Validating expression of beta cell maturation-associated genes in human pancreas development

DM Tremmel, AE Mikat, S Gupta, SA Mitchell… - Frontiers in Cell and …, 2023 - frontiersin.org
The identification of genes associated with human pancreatic beta cell maturation could
stimulate a better understanding of normal human islet development and function, be …

The metabolic consequences of 'yo-yo'dieting are markedly influenced by genetic diversity

S Thillainadesan, A Lambert, KC Cooke… - International Journal of …, 2024 - nature.com
Background Weight loss can improve the metabolic complications of obesity. However, it is
unclear whether insulin resistance persists despite weight loss and whether any protective …

Cathelicidin antimicrobial peptide: a novel regulator of islet function, islet regeneration, and selected gut bacteria

LD Pound, C Patrick, CE Eberhard, W Mottawea… - Diabetes, 2015 - Am Diabetes Assoc
Cathelicidin antimicrobial peptide (CAMP) is a naturally occurring secreted peptide that is
expressed in several organs with pleiotropic roles in immunomodulation, wound healing …