Lipotoxicity in the pancreatic beta cell: not just survival and function, but proliferation as well?

RB Sharma, LC Alonso - Current diabetes reports, 2014 - Springer
Free fatty acids (FFAs) exert both positive and negative effects on beta cell survival and
insulin secretory function, depending on concentration, duration, and glucose abundance …

[HTML][HTML] Friend and foe: β-cell Ca2+ signaling and the development of diabetes

PV Sabatini, T Speckmann, FC Lynn - Molecular metabolism, 2019 - Elsevier
Abstract Background The divalent cation Calcium (Ca 2+) regulates a wide range of
processes in disparate cell types. Within insulin-producing β-cells, increases in cytosolic Ca …

Reduced insulin production relieves endoplasmic reticulum stress and induces β cell proliferation

M Szabat, MM Page, E Panzhinskiy, S Skovsø… - Cell metabolism, 2016 - cell.com
Pancreatic β cells are mostly post-mitotic, but it is unclear what locks them in this state.
Perturbations including uncontrolled hyperglycemia can drive β cells into more pliable states …

Downregulation of long noncoding RNA Meg3 affects insulin synthesis and secretion in mouse pancreatic beta cells

LH You, N Wang, DD Yin, LT Wang… - Journal of cellular …, 2016 - Wiley Online Library
Increasing evidence indicates that long noncoding RNAs (lncRNAs) are involved in diverse
biological process. Mouse maternal expressed gene 3 (Meg3) is an imprinted gene and …

Structures of NPAS4-ARNT and NPAS4-ARNT2 heterodimers reveal new dimerization modalities in the bHLH-PAS transcription factor family

X Sun, L Jing, F Li, M Zhang, X Diao… - Proceedings of the …, 2022 - National Acad Sciences
Neuronal PER-ARNT-SIM (PAS) domain protein 4 (NPAS4) is a protective transcriptional
regulator whose dysfunction has been linked to a variety of neuropsychiatric and metabolic …

[HTML][HTML] Circulating LncRNAs analysis in patients with type 2 diabetes reveals novel genes influencing glucose metabolism and islet β-cell function

Y Ruan, N Lin, Q Ma, R Chen, Z Zhang… - Cellular physiology and …, 2018 - karger.com
Background/Aims: The islet is an important endocrine organ to secrete insulin to regulate the
metabolism of glucose and maintain the stability of blood glucose. Long noncoding RNAs …

A δ-cell subpopulation with a pro-β-cell identity contributes to efficient age-independent recovery in a zebrafish model of diabetes

CAC Pardo, L Massoz, MA Dupont, D Bergemann… - Elife, 2022 - elifesciences.org
Restoring damaged β-cells in diabetic patients by harnessing the plasticity of other
pancreatic cells raises the questions of the efficiency of the process and of the functionality …

[HTML][HTML] Pancreatic islet cell type–specific transcriptomic changes during pregnancy and postpartum

JY Chung, Y Ma, D Zhang, HH Bickerton, E Stokes… - Iscience, 2023 - cell.com
Pancreatic β-cell mass expands during pregnancy and regresses in the postpartum period
in conjunction with dynamic metabolic demands on maternal glucose homeostasis. To …

Npas4 transcription factor expression is regulated by calcium signaling pathways and prevents tacrolimus-induced cytotoxicity in pancreatic beta cells

T Speckmann, PV Sabatini, C Nian, RG Smith… - Journal of Biological …, 2016 - ASBMB
Cytosolic calcium influx activates signaling pathways known to support pancreatic beta cell
function and survival by modulating gene expression. Impaired calcium signaling leads to …

Novel approaches to drug discovery for the treatment of type 2 diabetes

X Xu, G Wang, T Zhou, L Chen, J Chen… - Expert Opinion on Drug …, 2014 - Taylor & Francis
Introduction: Type 2 diabetes mellitus (T2DM) is a chronic, complex and multifactorial
metabolic disorder, which has become a serious global health problem. The side effects of …