Beta-arrestin mediates receptor internalization and desensitization, so reduced beta-arrestin engagement may explain why tirzepatide maintains efficacy without the receptor downregulation observed with balanced GIP agonists [4]
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Rather, such genomic derangements appear to be widespread events in intra-tumoural evolution of melanoma that confer competitive subclonal advantage, including via increasing metastatic potential, presumably due to the changes they confer in allelic doses of wild-type (WT) genes and/or genes affected by SNVs and indels
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The market faces growing challenges from counterfeit and compounded GLP-1 products, leading to safety risks and regulatory concerns