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A primordial synaptotagmin-independent function of complexin in regulated exocytosis [PDF]

open access: yesNature Communications
In Ca²⁺-triggered exocytosis such as synaptic neurotransmitter release, vesicle fusion is tightly regulated by synaptotagmin (Syt) and complexin (Cpx), which together clamp partially assembled SNARE complexes to prevent premature fusion.
Xu Chen   +6 more
doaj   +2 more sources

Impaired Regulated Exocytosis and GLUT4 Trafficking in Dysferlin-Deficient Human Myoblasts: A Pilot Study [PDF]

open access: yesBiomedicines
Background/Objectives: Dysferlinopathies are inherited muscular dystrophies caused by DYSF mutations that lead to progressive muscle degeneration. Proteomic analyses of patient muscle reveal altered abundance of proteins involved in regulated exocytosis ...
María José Guerra-Fernández   +8 more
doaj   +2 more sources

Spatiotemporal dynamics of signal dependent exocytosis and parasitophorous vacuolar membrane rupture during Plasmodium falciparum egress. [PDF]

open access: yesPLoS Pathogens
Malaria, caused by intracellular Plasmodium falciparum parasites, remains a major global health concern. These parasites reside and replicate within a vacuole in host red blood cells. Egress of daughter parasites out of the vacuolar and host membranes is
Watcharatip Dedkhad   +4 more
doaj   +2 more sources

Exocytosed ATP as a therapeutic target for inflammatory and metabolic diseases [PDF]

open access: yesFrontiers in Pharmacology
Extracellular adenosine triphosphate (eATP) is a key intercellular signaling molecule in purinergic transmission and contributes to pain, inflammation, and tissue dysfunction in a wide range of diseases. Although eATP is released through membrane damage,
Nao Hasuzawa   +4 more
doaj   +2 more sources

Glucocorticoid-mediated induction of ZBTB16 affects insulin secretion in human islets and EndoC-βH1 β-cells

open access: yesiScience, 2023
Summary: Glucocorticoid use is associated with steroid-induced diabetes mellitus and impaired pancreatic β-cell insulin secretion. Here, the glucocorticoid-mediated transcriptomic changes in human pancreatic islets and the human insulin-secreting EndoC ...
Alexandros Karagiannopoulos   +5 more
doaj   +1 more source

MARCKS protein is phosphorylated and regulates calcium mobilization during human acrosomal exocytosis. [PDF]

open access: yesPLoS ONE, 2013
Acrosomal exocytosis is a calcium-regulated exocytosis that can be triggered by PKC activators. The involvement of PKC in acrosomal exocytosis has not been fully elucidated, and it is unknown if MARCKS, the major substrate for PKC, participates in this ...
Marcelo J Rodriguez Peña   +4 more
doaj   +1 more source

Extrasynaptic Communication

open access: yesFrontiers in Molecular Neuroscience, 2021
Streams of action potentials or long depolarizations evoke a massive exocytosis of transmitters and peptides from the surface of dendrites, axons and cell bodies of different neuron types.
Francisco F. De-Miguel   +13 more
doaj   +1 more source

Glucocorticoid induces human beta cell dysfunction by involving riborepressor GAS5 LincRNA

open access: yesMolecular Metabolism, 2020
Objective: A widely recognized metabolic side effect of glucocorticoid (GC) therapy is steroid-induced diabetes mellitus (DM). However, studies on the molecular basis of GC-induced pancreatic beta cell dysfunction in human beta cells are lacking.
Jonathan L.S. Esguerra   +8 more
doaj   +1 more source

Partners for life

open access: yeseLife, 2016
The hormones insulin and glucagon both play important roles in the development of diabetes.
Lena Eliasson, Anna Wendt
doaj   +1 more source

Dual Effect of Rosuvastatin on Glucose Homeostasis Through Improved Insulin Sensitivity and Reduced Insulin Secretion

open access: yesEBioMedicine, 2016
Statins are beneficial in the treatment of cardiovascular disease (CVD), but these lipid-lowering drugs are associated with increased incidence of new on-set diabetes.
Vishal A. Salunkhe   +9 more
doaj   +1 more source

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