Localization and Activity of Membrane Dipeptidase in Bovine Ciliary Epithelium
نویسندگان
چکیده
منابع مشابه
Regulation of gap junction coupling in bovine ciliary epithelium.
Aqueous humor is formed by fluid transfer from the ciliary stroma sequentially across the pigmented ciliary epithelial (PE) cells, gap junctions, and nonpigmented ciliary epithelial (NPE) cells. Which connexins (Cx) contribute to PE-NPE gap junctional formation appears species specific. We tested whether small interfering RNA (siRNA) against Cx43 (siCx43) affects bovine PE-NPE communication and...
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The accumulation of ferritin by the ciliary epithelium of the adult albino rabbit has been studied by electron microscopy. The experiments have been carried out under in vitro conditions, such that any uptake observed should be the result of passive diffusion of the tracerparticles rather than the product of active metabolic processes. The cells were fixed in osmium tetroxide and embedded in Ar...
متن کاملIs active glucose transport present in bovine ciliary body epithelium?
Hyperglycemia is a major risk factor for diabetic cataract formation. Effective regulation of glucose transport by the ciliary body epithelium (CBE) is pivotal to normal glycemic control in the anterior eye, which in turn affects the glucose level of the crystalline lens. The present study aimed to characterize the glucose transport mechanisms across the bovine blood-aqueous barrier (BAB) repre...
متن کاملcAMP inhibits transepithelial chloride secretion across bovine ciliary body/epithelium.
PURPOSE To investigate the potential significance of cAMP in the regulation of Cl(-) transport across the bovine ciliary body/epithelium (CBE). METHODS Fresh native bovine CBE preparation was mounted in a modified Ussing chamber. The effects of cAMP-stimulating agents on short-circuit current (I(sc)) and net (36)Cl(-) secretion were determined. RESULTS Addition of cAMP-stimulating agents in...
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An ultrastructural change induced in the nonpigmented epithelium (NPE) of the ciliary processes by adrenergic stimulation in the albino rabbit was studied. Thirty min after topical treatment with 2% isoproterenol, an extensive intracellular membranous network, previously reported to be smooth endoplasmic reticulum, was revealed by electron microscopy. It was postulated that this network origina...
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ژورنال
عنوان ژورنال: Investigative Opthalmology & Visual Science
سال: 2003
ISSN: 1552-5783
DOI: 10.1167/iovs.02-0216