[HTML][HTML] Connexin channel permeability to cytoplasmic molecules

AL Harris - Progress in biophysics and molecular biology, 2007 - Elsevier
Connexin channels are known to be permeable to a variety of cytoplasmic molecules. The
first observation of second messenger junctional permeability, made∼ 30 years ago …

Understanding wiring and volume transmission

LF Agnati, D Guidolin, M Guescini, S Genedani… - Brain research …, 2010 - Elsevier
The proposal on the existence of two main modes of intercellular communication in the
central nervous system (CNS) was introduced in 1986 and called wiring transmission (WT) …

Connexin 43 hemichannels are permeable to ATP

J Kang, N Kang, D Lovatt, A Torres, Z Zhao… - Journal of …, 2008 - Soc Neuroscience
Astrocytes are electrically nonexcitable cells that communicate by means of Ca 2+ signaling.
Long-distance intercellular Ca 2+ waves are initiated by release of ATP and activation of …

[HTML][HTML] Connexin-based gap junction hemichannels: gating mechanisms

JC Sáez, MA Retamal, D Basilio, FF Bukauskas… - … et Biophysica Acta (BBA …, 2005 - Elsevier
Connexins (Cxs) form hemichannels and gap junction channels. Each gap junction channel
is composed of two hemichannels, also termed connexons, one from each of the coupled …

Oscillating fluid flow activation of gap junction hemichannels induces ATP release from MLO‐Y4 osteocytes

DC Genetos, CJ Kephart, Y Zhang… - Journal of cellular …, 2007 - Wiley Online Library
Mechanical loads are required for optimal bone mass. One mechanism whereby mechanical
loads are transduced into localized cellular signals is strain‐induced fluid flow through …

S-nitrosylation and permeation through connexin 43 hemichannels in astrocytes: induction by oxidant stress and reversal by reducing agents

MA Retamal, CJ Cortés, L Reuss… - Proceedings of the …, 2006 - National Acad Sciences
Marked increase in cell permeability ascribed to open connexin (Cx) 43 hemichannels is
induced by metabolic inhibition (MI) of cortical astrocytes in culture, but the molecular …

[HTML][HTML] Connexin-related signaling in cell death: to live or let die?

E Decrock, M Vinken, E De Vuyst, DV Krysko… - Cell Death & …, 2009 - nature.com
Evidence is accumulating that some forms of cell death, like apoptosis, are not only
governed by the complex interplay between extracellular and intracellular signals but are …

Connexins and their channels in cell growth and cell death

M Vinken, T Vanhaecke, P Papeleu, S Snykers… - Cellular signalling, 2006 - Elsevier
Direct communication between cells, mediated by gap junctions, is nowadays considered as
an indispensable mechanism in the maintenance of cellular homeostasis. In fact, gap …

Role of connexin-based gap junction channels and hemichannels in ischemia-induced cell death in nervous tissue

JE Contreras, HA Sánchez, LP Véliz… - Brain Research …, 2004 - Elsevier
Gap junction channels and hemichannels formed of connexin subunits are found in most
cell types in vertebrates. Gap junctions connect cells via channels not open to the …

Inhibition of cytokine-induced connexin43 hemichannel activity in astrocytes is neuroprotective

N Froger, JA Orellana, CF Calvo, E Amigou… - Molecular and Cellular …, 2010 - Elsevier
Astrocytes express high levels of connexin43, a protein that forms two types of channels:
gap junction channels for direct intercellular communication, and hemichannels for …