Defense Date


Document Type


Degree Name

Master of Science



First Advisor

Daniel Conrad

Second Advisor

Suzanne Barbour


With previous indication of the Group VIA phospholipase A2 (iPLA2β) enzyme regulating ER-stress induced apoptosis in β-cells by regulating the anti-apoptotic protein Bcl-xL via alternative splicing, our lab postulated iPLA2β to be utilizing a similar mechanism to regulate apoptosis in mice lung. Our previous lab work has shown implications of lung function compromise in iPLA2β-/- mice, and we speculated the cause to be due altered lung architecture stemming from the attenuation of apoptosis. The western blot analysis in this study suggested that iPLA2β is involved in the regulation of Bcl-xL, but the mRNA ratios of the splice variants suggested that alternative splicing is not the mechanism iPLA2β is utilizing for the regulation in our animal models. Additionally, the observation and assessment of the lung morphology of the iPLA2β-/- and wild type mice suggested that iPLA2β does not play an integral role in lung morphology.


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