4.6 Article

LDP alleviates TKI-induced proteinuria through reversing the expression of RelA in renal tissues

Journal

FRONTIERS IN MEDICINE
Volume 10, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fmed.2023.1095344

Keywords

proteinuria; tyrosine kinase inhibitors; Liuwei Dihuang Pill; tumor; hepatocellular carcinoma

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Tyrosine kinase inhibitors (TKIs) can cause severe proteinuria, which affects tumor therapy. Current therapies for proteinuria are not effective for TKI-induced proteinuria. This study found that different types of proteinuria are related to podocyte damage caused by changes in the RelA signaling pathway. Liuwei Dihuang Pill (LDP) was found to attenuate the inflammatory injury of podocytes by inhibiting the activation of RelA, thereby relieving TKI-induced proteinuria and preventing the progression of TMA and FSGS. The findings suggest that LDP may be a clinically significant treatment for TKI-induced proteinuria.
Tyrosine kinase inhibitors (TKIs), as an important tumor therapy, can induce severe proteinuria that significantly affects anti-tumor therapy. Existing therapies against proteinuria induced by other etiologies are currently ineffective for TKI-induced proteinuria. It has been shown that various types of proteinuria are related to podocyte damage caused by changes in the RelA signaling pathway. Our experiments confirmed that TKIs activate the renal RelA signaling pathway, and induce death of podocytes and destruction of the glomerular filtration barrier. Here we found that Liuwei Dihuang Pill (LDP) attenuated the inflammatory injury of podocytes through inhibiting activation of RelA, and subsequently relieved TKI-related proteinuria and prevented the progression of TMA and FSGS. Our finding indicated that LDP may be effective for the treatment of TKI-induced proteinuria, which is clinically significant.

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