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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 cardiac…
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 and four arthropodan muscles, finding that these ratios correlate positively with both thick filament dimensions and maximum active tension development in these tissues.
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, which is principally in the form of hydrous iron oxides.
The Lacrimal Gland and Its Veil of Tears.
- B. Walcott
- BiologyNews 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 that contains neurotransmitter receptors, which control the different secretory processes of this highly sophisticated secretory epithelium.
Vasoactive intestinal polypeptide and the innervation of the human lacrimal gland.
The distribution of VIP-like immunoreactive nerves in the human lacrimal gland and sphenopalatine ganglion was generally similar to that described in mammalian and avian systems, although some differences were noted.
Diminished neurogenic but not pharmacological erections in the 2- to 3-month experimentally diabetic F-344 rat.
Diabetes-related decreases in neurostimulated intracavernous pressure responses were strongly correlated with diminished synaptophysin immunoreactivity in the corpora and these observations may have important implications to the understanding of erectile physiology as well as the etiology of diabetes-related erectile dysfunction.
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 an…
Role of gap junctions in fluid secretion of lacrimal glands.
The data suggest that gap junctions are essential for optimal fluid secretion in lacrimal glands, and that the protein secretory response to different doses of carbachol was the same in all animals.
Fluid secretion and the Na+-K+-2Cl- cotransporter in mouse exorbital lacrimal gland.
- B. Walcott, A. Birzgalis, L. Moore, P. Brink
- BiologyAmerican journal of physiology. Cell physiology
- 1 October 2005
The data suggest that NKCC1 plays an important role in fluid secretion by the exorbital gland of mice.
Iron-containing cells in the honey-bee (Apis mellifera). I. Adult morphology and physiology.
Particulate iron was found within the trophocytes of the fat body of the adult honey-bee and Physiological studies showed that these cells are electrically coupled but the coupling ratio is low, as a result of extensive coupling to many cells.