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Full-Text Articles in Translational Medical Research
Crosstalk Between Diacylglycerol Kinase And Protein Kinase A In The Regulation Of Airway Smooth Muscle Cell Proliferation, Miguel Angel Hernandez-Lara, Santosh Kumar Yadav, Stanley Conaway, Sushrut D. Shah, Raymond B. Penn, Phd, Deepak A. Deshpande, Phd
Crosstalk Between Diacylglycerol Kinase And Protein Kinase A In The Regulation Of Airway Smooth Muscle Cell Proliferation, Miguel Angel Hernandez-Lara, Santosh Kumar Yadav, Stanley Conaway, Sushrut D. Shah, Raymond B. Penn, Phd, Deepak A. Deshpande, Phd
Center for Translational Medicine Faculty Papers
Background: Diacylglycerol kinase (DGK) regulates intracellular signaling and functions by converting diacylglycerol (DAG) into phosphatidic acid. We previously demonstrated that DGK inhibition attenuates airway smooth muscle (ASM) cell proliferation, however, the mechanisms mediating this effect are not well established. Given the capacity of protein kinase A (PKA) to effect inhibition of ASM cells growth in response to mitogens, we employed multiple molecular and pharmacological approaches to examine the putative role of PKA in the inhibition of mitogen-induced ASM cell proliferation by the small molecular DGK inhibitor I (DGK I).
Methods: We assayed cell proliferation using CyQUANT™ NF assay, protein expression …