Cx43-hemichannel function and regulation in physiology and pathophysiology: insights from the bovine corneal endothelial cell system and beyond

C D'hondt, J Iyyathurai, B Himpens, L Leybaert… - Frontiers in …, 2014 - frontiersin.org
Intercellular communication in primary bovine corneal endothelial cells (BCECs) is mainly
driven by the release of extracellular ATP through Cx43 hemichannels. Studying the …

Gap Junctional Coupling in Lenses from α8 Connexin Knockout Mice

GJ Baldo, X Gong, FJ Martinez-Wittinghan… - The Journal of General …, 2001 - rupress.org
Lens fiber cell gap junctions contain α3 (Cx46) and α8 (Cx50) connexins. To examine the
roles of the two different connexins in lens physiology, we have genetically engineered mice …

[HTML][HTML] Functional analysis of hemichannels and gap-junctional channels formed by connexins 43 and 46

QV Hoang, H Qian, H Ripps - Molecular Vision, 2010 - ncbi.nlm.nih.gov
Purpose The gap junctions (GJs) mediating direct cell-cell interaction are formed by clusters
of membrane-spanning proteins known as connexins (Cxs). These channels play a key role …

Connexin46fs380 causes progressive cataracts

VM Berthoud, PJ Minogue, H Yu… - … & Visual Science, 2014 - iovs.arvojournals.org
Purpose.: Although many connexin46 (Cx46) mutants have been linked to inherited human
cataracts, there are no adequate animal models for their study. The current experiments …

Functional effects of Cx50 mutations associated with congenital cataracts

C Rubinos, K Villone, PV Mhaske… - … of Physiology-Cell …, 2014 - journals.physiology.org
Mutations in connexin50 (Cx50) cause dominant cataracts in both humans and mice. The
exact mechanisms by which mutations cause these variable phenotypes are poorly …

Changes in lens connexin expression lead to increased gap junctional voltage dependence and conductance

PJ Donaldson, Y Dong, M Roos… - … of Physiology-Cell …, 1995 - journals.physiology.org
The differentiation of mouse lens epithelial cells into fiber cells is a useful model for studying
the changes of the electrical properties of gap junction (cell-to-cell) channels that are …

Role of intramolecular interaction in connexin50: Mediating the Ca2+-dependent binding of calmodulin to gap junction

X Zhang, Y Qi - Archives of biochemistry and biophysics, 2005 - Elsevier
Gap junction channels formed by connexin50 (Cx50) are critical for maintenance of eye lens
transparency. Cleavage of the carboxyl terminus (CT) of Cx50 to produce truncated Cx50 …

Diverse gap junctions modulate distinct mechanisms for fiber cell formation during lens development and cataractogenesis

C Xia, H Liu, D Cheung, C Cheng, E Wang, X Du… - 2006 - journals.biologists.com
Different mutations of α3 connexin (Cx46 or Gja8) andα8 connexin (Cx50 or Gja8), subunits
of lens gap junction channels, cause a variety of cataracts via unknown mechanisms. We …

Connexin23 deletion does not affect lens transparency

VM Berthoud, PJ Minogue, JI Snabb… - Experimental eye …, 2016 - Elsevier
Abstract While connexin46 (Cx46) and connexin50 (Cx50) are crucial for maintaining lens
transparency and growth, the contributions of a more recently identified lens fiber connexin …

Molecular mechanism underlying a Cx50-linked congenital cataract

JD Pal, VM Berthoud, EC Beyer… - … of Physiology-Cell …, 1999 - journals.physiology.org
Mutations in gap junctional channels have been linked to certain forms of inherited
congenital cataract (D. Mackay, A. Ionides, V. Berry, A. Moore, S. Bhattacharya, and A …