Article ; Online: Regulatory roles of CARD9-BCL10-Rac1 (CBR) signalome in islet β-cell function in health and metabolic stress: Is there room for MALT1?
2023 Volume 218, Page(s) 115889
Abstract: It is widely accepted that pancreatic islet β-cell failure and the onset of type 2 diabetes (T2DM) constitute an intricate interplay between the genetic expression of the disease and a host of intracellular events including increased metabolic (oxidative, ...
Abstract | It is widely accepted that pancreatic islet β-cell failure and the onset of type 2 diabetes (T2DM) constitute an intricate interplay between the genetic expression of the disease and a host of intracellular events including increased metabolic (oxidative, endoplasmic reticulum) stress under the duress of glucolipotoxicity. Emerging evidence implicates unique roles for Caspase Recruitment Domain containing protein 9 (CARD9) in the onset of metabolic diseases, including obesity and insulin resistance. Mechanistically, CARD9 has been implicated in the regulation of p38MAPK and NFkB signaling pathways culminating in cellular dysfunction. Several regulatory factors, including B-cell lymphoma/leukemia 10 (BCL10) have been identified as modulators of CARD9 function in multiple cell types. Despite this evidence on regulatory roles of CARD9-BCL10 signalome in the onset of various pathological states, putative roles of this signaling module in islet β-cell dysfunction in metabolic stress remain less understood. This brief review is aimed at highlighting roles for CARD9 in islet β-cell function under acute (physiological insulin secretion) and long-term (cell dysfunction) exposure to glucose. Emerging roles of other signaling proteins, such as Rac1, BCL10 and MALT1 as contributors to CARD9 signaling in the islet β-cells are also reviewed. Potential avenues for future research toward the development of novel therapeutics for the prevention CARD9-BCL10-Rac1 (CBR) signalome-induced β-cell defects under metabolic stress are discussed. |
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MeSH term(s) | Humans ; B-Cell CLL-Lymphoma 10 Protein/genetics ; CARD Signaling Adaptor Proteins/genetics ; Diabetes Mellitus, Type 2 ; Islets of Langerhans ; Mucosa-Associated Lymphoid Tissue Lymphoma Translocation 1 Protein/genetics ; Proteins ; Signal Transduction ; Stress, Physiological |
Chemical Substances | B-Cell CLL-Lymphoma 10 Protein ; BCL10 protein, human ; CARD Signaling Adaptor Proteins ; CARD9 protein, human ; MALT1 protein, human (EC 3.4.22.-) ; Mucosa-Associated Lymphoid Tissue Lymphoma Translocation 1 Protein (EC 3.4.22.-) ; Proteins ; RAC1 protein, human |
Language | English |
Publishing date | 2023-10-29 |
Publishing country | England |
Document type | Journal Article ; Review ; Research Support, Non-U.S. Gov't |
ZDB-ID | 208787-x |
ISSN | 1873-2968 ; 0006-2952 |
ISSN (online) | 1873-2968 |
ISSN | 0006-2952 |
DOI | 10.1016/j.bcp.2023.115889 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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