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[12] Furthermore, these variants circulate partially bound to a protein (growth hormone-binding protein, GHBP), which is the truncated part of the growth hormone receptor, and an acid-labile subunit (ALS)

doi: 10.1111/cns.13207 2

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Additionally, the researchers speculated that BPC-157 may have induced the expression of EGR-1 and its repressor, nerve growth factor 1-A binding protein-2 (nab2), in non-differentiated Caco-2 cells more rapidly than PDGF-BB

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[1] The medication works through a dual mechanism of action by simultaneously activating both GIP and GLP-1 receptors