Results 101 to 110 of about 14,893 (256)

From senescence and inflammaging to systemic comorbidities: Drivers of aging‐associated periodontitis

open access: yesPeriodontology 2000, EarlyView.
Abstract Background Aging is accompanied by a chronic low‐grade inflammatory process, known as inflammaging, as well as immunosenescence, an age‐related decline and dysregulation of immune function, and cellular senescence, a process in which cells enter a state of irreversible growth arrest while actively releasing pro‐inflammatory factors.
James Cheng   +4 more
wiley   +1 more source

Connexins and the atrioventricular node

open access: yesHeart Rhythm, 2013
The structure and functioning of the atrioventricular (AV) node has remained mysterious owing to its high degree of complexity. In this review article, we integrate advances in knowledge regarding connexin expression in the AV node. Complex patterning of 4 different connexin isoforms with single channel conductances ranging from ultralow to high ...
Temple, I.P.   +3 more
openaire   +3 more sources

Molecular mechanisms of atherosclerosis: role of connexins

open access: yes, 2012
Atherosclerosis is an immuno-inflammatory disease of arteries, involving complex intercellular interactions. Direct communication through hemichannels and gap junction channels formed by connexins is important in atherosclerosis.
Pfenniger, Anna
core   +1 more source

A new approach to an old disease: Ageing, arrhythmogenic substrate and the role of risk‐factor modification in atrial fibrillation

open access: yesExperimental Physiology, EarlyView.
Abstract Atrial fibrillation (AF) prevalence rises sharply with age due to two independent mechanisms. Ageing produces irreversible arrhythmogenic substrate changes through progressive fibrosis, cellular senescence and mitochondrial dysfunction, while modifiable risk factors such as obesity, hypertension, sleep apnoea, diabetes and alcohol use promote ...
Udit Thakur, Jonathan M. Kalman
wiley   +1 more source

Connexins as targets for cancer chemoprevention and chemotherapy [PDF]

open access: yes, 2005
Cells within a tissue continuously interact to coordinate normal tissue functions and maintain homeostasis. Gap junctional communication (GJC), mediated by the connexin protein family, allows this type of intercellular crosstalk resulting in synchronized
Bertram, John S., King, Timothy J.
core   +1 more source

TMEM16A Ca2+‐activated Cl− channel: Functional interactions with cytoskeletal and membrane‐associated proteins

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend The calcium‐activated chloride (ClCa) channel TMEM16A (also known as ANO1) plays critical roles in ion transport, neurotransmission and smooth muscle contraction. Dysregulation of TMEM16A channel activity contributes to the development and progression of various diseases.
Hisao Yamamura   +4 more
wiley   +1 more source

Pannexin 1 Is Critically Involved in Feedback from Horizontal Cells to Cones

open access: yesFrontiers in Molecular Neuroscience, 2017
Retinal horizontal cells (HCs) feed back negatively to cone photoreceptors and in that way generate the center/surround organization of bipolar cell receptive fields. The mechanism by which HCs inhibit photoreceptors is a matter of debate.
Valentina Cenedese   +6 more
doaj   +1 more source

Heart and head defects in mice lacking pairs of connexins [PDF]

open access: yes, 2004
Gene ablation studies in mice have revealed roles for gap junction proteins (connexins) in heart development. Of the 20 connexins in vertebrates, four are expressed in developing heart: connexin37 (Cx37), connexin40 (Cx40), connexin43 (Cx43), and ...
Simon, Alexander M   +4 more
core   +1 more source

Cellular mechanisms of radiation‐induced myocyte dysfunction: effects on calcium handling, ion channel regulation and mitochondrial energetics

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Dose‐dependent effects of radiation on cardiac electrophysiology and arrhythmia susceptibility. At low radiation doses (left), increased reactive oxygen species (ROS) initiate an ROS–Ca2+ positive feedback loop involving calcium/calmodulin‐dependent protein kinase II (CaMKII) activation, enhanced L‐type Ca2+ current (ICaL ...
Hannah M. Zukowski, Colleen E. Clancy
wiley   +1 more source

Cancer Connectors: Connexins, Gap Junctions, and Communication [PDF]

open access: yes, 2018
Despite concerted clinical and research efforts, cancer is a leading cause of death worldwide. Surgery, radiation, and chemotherapy have remained the most common standard-of-care strategies against cancer for decades.
Maksim Sinyuk   +3 more
core   +1 more source

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