Next-generation connexin and pannexin cell biology

JL Esseltine, DW Laird - Trends in cell biology, 2016 - cell.com
Connexins and pannexins are two families of large-pore channel forming proteins that are
capable of passing small signaling molecules. While connexins serve the seminal task of …

Diverse subcellular distribution profiles of pannexin1 and pannexin3

S Penuela, SJ Celetti, R Bhalla, Q Shao… - Cell communication & …, 2008 - Taylor & Francis
Pannexins have been proposed to play a role in gap junctional intercellular communication
and as single-membrane channels, although many of their molecular characteristics differ …

Functional implications of calcium permeability of the channel formed by pannexin 1

F Vanden Abeele, G Bidaux, D Gordienko… - The Journal of cell …, 2006 - rupress.org
Although human pannexins (PanX) are homologous to gap junction molecules, their
physiological function in vertebrates remains poorly understood. Our results demonstrate …

Pannexins and gap junction protein diversity

VI Shestopalov, Y Panchin - Cellular and Molecular Life Sciences, 2008 - Springer
Gap junctions (GJs) are composed of proteins that form a channel connecting the cytoplasm
of adjacent cells. Connexins were initially considered to be the only proteins capable of GJ …

Cell-cell communication beyond connexins: the pannexin channels

MT Barbe, H Monyer, R Bruzzone - Physiology, 2006 - journals.physiology.org
Direct cell-to-cell communication through specialized intercellular channels is a
characteristic feature of virtually all multi-cellular organisms. The remarkable functional …

What is hidden in the pannexin treasure trove: the sneak peek and the guesswork

O Litvin, A Tiunova, Y Connell‐Alberts… - Journal of cellular …, 2006 - Wiley Online Library
Connexins had been considered to be the only class of the vertebrate proteins capable of
gap junction formation; however, new candidates for this function with no homology to …

Pannexin2 oligomers localize in the membranes of endosomal vesicles in mammalian cells while Pannexin1 channels traffic to the plasma membrane

D Boassa, P Nguyen, J Hu, MH Ellisman… - Frontiers in cellular …, 2015 - frontiersin.org
Pannexin2 (Panx2) is the largest of three members of the pannexin proteins. Pannexins are
topologically related to connexins and innexins, but serve different functional roles than …

Pannexin1 and Pannexin2 channels show quaternary similarities to connexons and different oligomerization numbers from each other

C Ambrosi, O Gassmann, JN Pranskevich… - Journal of Biological …, 2010 - ASBMB
Pannexins are homologous to innexins, the invertebrate gap junction family. However,
mammalian pannexin1 does not form canonical gap junctions, instead forming hexameric …

Pannexin1 channels contain a glycosylation site that targets the hexamer to the plasma membrane

D Boassa, C Ambrosi, F Qiu, G Dahl, G Gaietta… - Journal of Biological …, 2007 - ASBMB
Pannexins are newly discovered channel proteins expressed in many different tissues and
abundantly in the vertebrate central nervous system. Based on membrane topology, folding …

Endogenous pannexin1 channels form functional intercellular cell–cell channels with characteristic voltage-dependent properties

N Palacios-Prado, PA Soto, X López… - Proceedings of the …, 2022 - National Acad Sciences
The occurrence of intercellular channels formed by pannexin1 has been challenged for
more than a decade. Here, we provide an electrophysiological characterization of …