Classical and non-classical islet peptides in the control of β-cell function

D Khan, RC Moffett, PR Flatt, AI Tarasov - Peptides, 2022 - Elsevier
The dual role of the pancreas as both an endocrine and exocrine gland is vital for food
digestion and control of nutrient metabolism. The exocrine pancreas secretes enzymes into …

Calcium imaging: a technique to monitor calcium dynamics in biological systems

S Ghosh, M Dahiya, A Kumar, M Bheri… - … and Molecular Biology of …, 2023 - Springer
Abstract Calcium ion (Ca2+) is a multifaceted signaling molecule that acts as an important
second messenger. During the course of evolution, plants and animals have developed …

[HTML][HTML] Reduced somatostatin signalling leads to hypersecretion of glucagon in mice fed a high-fat diet

JA Kellard, NJG Rorsman, TG Hill, SL Armour… - Molecular …, 2020 - Elsevier
Objectives Elevated plasma glucagon is an early symptom of diabetes, occurring in subjects
with impaired glucose regulation. Here, we explored alpha-cell function in female mice fed a …

Taurine rescues pancreatic β‐cell stress by stimulating α‐cell transdifferentiation

D Sarnobat, RC Moffett, J Ma, PR Flatt… - Biofactors, 2023 - Wiley Online Library
The semi‐essential ubiquitous amino acid taurine has been shown to alleviate obesity and
hyperglycemia in humans; however, the pathways underlying the antidiabetic actions have …

Confocal laser scanning microscopy of calcium dynamics in acute mouse pancreatic tissue slices

A Stožer, J Dolenšek, LK Bombek, V Pohorec… - JoVE (Journal of …, 2021 - jove.com
The acute mouse pancreatic tissue slice is a unique in situ preparation with preserved
intercellular communication and tissue architecture that entails significantly fewer …

Glucose-stimulated calcium dynamics in beta cells from male C57BL/6J, C57BL/6N, and NMRI mice: a comparison of activation, activity, and deactivation properties in …

V Pohorec, L Križančić Bombek… - Frontiers in …, 2022 - frontiersin.org
Although mice are a very instrumental model in islet beta cell research, possible phenotypic
differences between strains and substrains are largely neglected in the scientific community …

Molecular determinants and intracellular targets of taurine signalling in pancreatic islet β‐cells

J Turbitt, RC Moffett, L Brennan, PRV Johnson… - Acta …, 2024 - Wiley Online Library
Aim Despite its abundance in pancreatic islets of Langerhans and proven antihyperglycemic
effects, the impact of the essential amino acid, taurine, on islet β‐cell biology has not yet …

Physiological levels of adrenaline fail to stop pancreatic beta cell activity at unphysiologically high glucose levels

N Sluga, L Križančić Bombek, J Kerčmar… - Frontiers in …, 2022 - frontiersin.org
Adrenaline inhibits insulin secretion from pancreatic beta cells to allow an organism to cover
immediate energy needs by unlocking internal nutrient reserves. The stimulation of α2 …

[HTML][HTML] NKCC transport mediates the insulinotropic effects of taurine and other small neutral amino acids

J Turbitt, L Brennan, RC Moffett, PR Flatt, PRV Johnson… - Life Sciences, 2023 - Elsevier
Aims Despite its high concentration in pancreatic islets of Langerhans and broad range of
antihyperglycemic effects, the route facilitating the import of dietary taurine into pancreatic β …

Reduced Expression Level of Protein Phosphatase PPM1E Serves to Maintain Insulin Secretion in Type 2 Diabetes

S Gheibi, LR Cataldo, A Hamilton, M Huang… - Diabetes, 2023 - Am Diabetes Assoc
Reversible phosphorylation is an important regulatory mechanism. Regulation of protein
phosphorylation in β-cells has been extensively investigated, but less is known about …