Insulin granule biogenesis and exocytosis

M Omar-Hmeadi, O Idevall-Hagren - Cellular and Molecular Life Sciences, 2021 - Springer
Insulin is produced by pancreatic β-cells, and once released to the blood, the hormone
stimulates glucose uptake and suppresses glucose production. Defects in both the …

Molecular aspects of pancreatic β‐cell dysfunction: oxidative stress, microRNA, and long noncoding RNA

MJ Saeedi Borujeni, E Esfandiary… - Journal of cellular …, 2019 - Wiley Online Library
Metabolic syndrome is known as a frequent precursor of type 2 diabetes mellitus (T2D). This
disease could affect 8% of the people worldwide. Given that pancreatic β‐cell dysfunction …

Lipid transport by TMEM24 at ER–plasma membrane contacts regulates pulsatile insulin secretion

JA Lees, M Messa, EW Sun, H Wheeler, F Torta… - Science, 2017 - science.org
INTRODUCTION Insulin is secreted by pancreatic β cells in response to glucose stimulation.
Its release is controlled by the interplay of calcium and phosphoinositide signaling …

The role of cAMP in beta cell stimulus–secretion and intercellular coupling

A Stožer, E Paradiž Leitgeb, V Pohorec, J Dolenšek… - Cells, 2021 - mdpi.com
Pancreatic beta cells secrete insulin in response to stimulation with glucose and other
nutrients, and impaired insulin secretion plays a central role in development of diabetes …

Ion channels of the islets in type 2 diabetes

DA Jacobson, SL Shyng - Journal of molecular biology, 2020 - Elsevier
Ca 2+ is an essential signal for pancreatic β-cell function. Ca 2+ plays critical roles in
numerous β-cell pathways such as insulin secretion, transcription, metabolism, endoplasmic …

Lipid metabolism at membrane contacts: Dynamics and functions beyond lipid homeostasis

J Xu, X Huang - Frontiers in Cell and Developmental Biology, 2020 - frontiersin.org
Membrane contact sites (MCSs), regions where the membranes of two organelles are
closely apposed, play critical roles in inter-organelle communication, such as lipid trafficking …

Regulation of membrane calcium transport proteins by the surrounding lipid environment

L Conrard, D Tyteca - Biomolecules, 2019 - mdpi.com
Calcium ions (Ca2+) are major messengers in cell signaling, impacting nearly every aspect
of cellular life. Those signals are generated within a wide spatial and temporal range …

Molecular regulations and functions of the transient receptor potential channels of the islets of langerhans and insulinoma cells

MS Islam - Cells, 2020 - mdpi.com
Insulin secretion from the β-cells of the islets of Langerhans is triggered mainly by nutrients
such as glucose, and incretin hormones such as glucagon-like peptide-1 (GLP-1). The …

Glutamine uptake via SNAT6 and caveolin regulates glutamine–glutamate cycle

NR Gandasi, V Arapi, ME Mickael, PA Belekar… - International journal of …, 2021 - mdpi.com
SLC38A6 (SNAT6) is the only known member of the SLC38 family that is expressed
exclusively in the excitatory neurons of the brain. It has been described as an orphan …

Optical tools for understanding the complexity of β-cell signalling and insulin release

JA Frank, J Broichhagen, DA Yushchenko… - Nature Reviews …, 2018 - nature.com
Following stimulation, pancreatic β-cells must orchestrate a plethora of signalling events to
ensure the appropriate release of insulin and maintenance of normal glucose homeostasis …