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Human mesenchymal stem cells make cardiac connexins and form functional gap junctions
Human mesenchymal stem cells (hMSCs) are a multipotent cell population with the potential to be a cellular repair or delivery system provided that they communicate with target cells such as cardiacExpand
Iron-Containing Cells in the Honey Bee (Apis mellifera)
Honey bees are sensitive to earth strength magnetic fields and are reported to contain magnetite (Fe3O4) in their abdomens. We report bands of cells around each abdominal segment that containExpand
Paramyosin in invertebrate muscles. II. Content in relation to structure and function
By quantitative sodium dodecyl sulfate-polyacrylamide gel electrophoresis, paramyosin:myosin heavy chain molecular ratios were calculated for three molluscan muscles:Aequipecten striated adductor,Expand
Neuropeptides and the innervation of the avian lacrimal gland.
The chicken Harderian gland, the major lacrimal gland, has two major cell populations: a cortical secretory epithelium and a medullary interstitial cell population of lymphoid cells. There is anExpand
The Lacrimal Gland and Its Veil of Tears.
  • B. Walcott
  • Biology, Medicine
  • News in physiological sciences : an international…
  • 1 April 1998
The secretory cells of the lacrimal gland produce a highly complex product of water, ions and proteins. At least five neurotransmitter receptors and three different second message systems areExpand
Vasoactive intestinal polypeptide and the innervation of the human lacrimal gland.
Vasoactive intestinal polypeptide (VIP) is a biologically active neuropeptide found in both the peripheral and the central nervous systems. Previous studies have shown that VIP-like immunoreactiveExpand
Diminished neurogenic but not pharmacological erections in the 2- to 3-month experimentally diabetic F-344 rat.
The rapid spread of locally restricted neural and hormonal signals among the vast array of largely inexcitable corporal smooth muscle cells is an absolute prerequisite to normal erectile function.Expand
Role of gap junctions in fluid secretion of lacrimal glands.
In glands such as the liver and pancreas, gap junctions containing connexin 26 and 32 (Cx26 and Cx32, respectively) couple the secretory cells. Uncoupling these junctions compromises the secretoryExpand
Fluid secretion and the Na+-K+-2Cl- cotransporter in mouse exorbital lacrimal gland.
We have previously suggested that fluid flow in the mouse exorbital lacrimal gland is driven by the opening of apical Cl- and K+ channels. These ions move into the lumen of the gland and waterExpand