ArticleMolecular and cellular biochemistry2017
Epigallocatechin gallate protects BEAS-2B cells from lipopolysaccharide-induced apoptosis through upregulation of gastrin-releasing peptide.
Article in Molecular and cellular biochemistry, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors at 2 institutions in 1 country.
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Abstract
Gastrin-releasing peptide (GRP) plays a major role in the development and maintenance of lung epithelial cells by promoting cell division, whereas its suppression causes growth arrest and apoptosis. The present study shows that human bronchial epithelial BEAS-2B cells challenged with lipopolysaccharide (LPS), an endotoxin from gram-negative bacteria, downregulated GRP expression and induced apoptosis via upregulation of p53 and active caspase-3, signifying the importance of GRP in lung epithelial cell survival. However, in the presence of epigallocatechin-3-gallate (EGCG), a polyphenol in green tea, BEAS-2B cells resisted LPS-induced apoptosis and restored the expression of GRP and its downstream effectors such as epidermal growth factor receptor and NF-κB, as analysed by immunoblotting and qPCR. Based on our findings, we objectify that cytoprotective functions of EGCG, via upregulation of GRP in cells challenged with LPS, are novel and can be further explored in a therapeutic point of view for diseases such as septic shock.
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