Terry K Wiernas

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PURPOSE To investigate the epithelial nature of primary and SV40 virus-immortalized human corneal epithelial (CEPI) cells and to study a variety of functional responses to some key inflammatory agents (bradykinin [BK], histamine, and platelet-activating factor [PAF]) and their antagonists in these cells. METHODS Primary CEPI (P-CEPI) and clone 4 of the(More)
1. We recently demonstrated the presence of phospholipase C-coupled bradykinin (BK) B2-receptors in human primary and SV40 virus-immortalized corneal epithelial (CEPI) cells. 2. The aims of the present studies were to demonstrate the specific binding of [3H]-BK to CEPI cell membranes and to study its pharmacological characteristics. In addition, we wished(More)
1. Bradykinin (BK) and Lys-BK are peptides which are released at high nanomolar concentrations into the tear-film of ocular allergic patients. We hypothesized that these peptides may activate specific receptors on the ocular surface, especially the corneal epithelium (CE) and thus the CE cells may represent a potential target tissue for these kinins. 2. The(More)
PURPOSE AND METHODS Immortalized human corneal epithelial (CEPI-17-CL4) cells were exposed to different concentrations of platelet-activating factor (PAF) and the mobilization of intracellular calcium ([Ca(2+)](i)) was studied using fluorometrics. Additionally, the production of the cytokines [interleukin-6 (IL-6), interleukin-8 (IL-8), granulocyte(More)
We recently reported on the successful generation of immortalized (CEPI-17-CL4) cells from primary human corneal epithelial (P-CEPI) cells which exhibited phenotypic, immunohistochemical and metabolic characteristics akin to the P-CEPI cells. The aims of the present studies were to investigate the ligand binding and functional coupling of the histamine(More)
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