Connexins are ubiquitous channel forming proteins that assemble as plasma membrane
hemichannels and as intercellular gap junction channels that directly connect cells. In the …

As we approach the three hundredth anniversary of the discovery of the spermatozoon
(1677) it seems timely to review what we know of the structure of this fascinating cell …

Gap junctions (GJs) are the only known cellular structures that allow a direct transfer of
signaling molecules from cell-to-cell by forming hydrophilic channels that bridge the …

Cells in organs and tissues, it is now well established, make permeable junctions that
provide a path for direct flow of molecules between cell interiors. Ever since the nearly …

Certain membrane channels including acetylcholine receptors, gap junction (GJ) channels,
and aquaporins arrange into large clusters in the plasma membrane (PM). However, how …

State of the Art Page 1 State of the Art The Cells of the Pulmonary Airways'2 ROGER G.
BREEZE3 and ERIC B. WHEELDON4 Contents Introduction The Epithelium Ciliated Cell Goblet …

An 18-Å resolution map of the 'gap junction'has been obtained by electron microscopy. The
protein oligomer in the junctional membranes, the 'connexon', is a cylinder composed of six …

Publisher Summary Intercellular junctions are specialized regions of contact between the
apposed plasma membranes of adjacent cells, and recent evidence suggests that they are …

The fine structure and distribution of tight (zonula occludens) and gap junctions in epithelia
of the rat pancreas, liver, adrenal cortex, epididymis, and duodenum, and in smooth muscle …

During the healing of an experimental skin wound, epidermal cells and granulation tissue
fibroblasts (myofibroblasts) develop an extensive cytoplasmic contactile apparatus …