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Philadelphia College of Osteopathic Medicine

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2024

Mice

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Full-Text Articles in Medicine and Health Sciences

Targeting Undruggable Phosphatase Overcomes Trastuzumab Resistance By Inhibiting Multi-Oncogenic Kinases., Lu Wang, Yusheng Lin, Zhimeng Yao, Nipun Babu, Wan Lin, Chaoying Chen, Liang Du, Songwang Cai, Yunlong Pan, Xiao Xiong, Qiantao Ye, Hongzheng Ren, Dianzheng Zhang, Yexi Chen, Sai-Ching Jim Yeung, Edwin Bremer, Hao Zhang Sep 2024

Targeting Undruggable Phosphatase Overcomes Trastuzumab Resistance By Inhibiting Multi-Oncogenic Kinases., Lu Wang, Yusheng Lin, Zhimeng Yao, Nipun Babu, Wan Lin, Chaoying Chen, Liang Du, Songwang Cai, Yunlong Pan, Xiao Xiong, Qiantao Ye, Hongzheng Ren, Dianzheng Zhang, Yexi Chen, Sai-Ching Jim Yeung, Edwin Bremer, Hao Zhang

PCOM Scholarly Works

AIMS: Resistance to targeted therapy is one of the critical obstacles in cancer management. Resistance to trastuzumab frequently develops in the treatment for HER2

METHODS: Four public datasets were used to screen PTP candidates in relation to trastuzumab responsiveness in HER2

RESULTS: PTPRO was identified as the key PTP which influences trastuzumab responsiveness and patient survival. PTPRO de-phosphorated several TKs, including the previously overlooked substrate ERBB3, thereby inhibiting multiple oncogenic pathways associated with drug resistance. Notably, PTPRO, previously deemed "undruggable," was effectively upregulated by saRNA-loaded nanoparticles. The upregulated PTPRO simultaneously inhibited ERBB3, ERBB2, and downstream SRC signaling pathways, thereby counteracting …


Pparα Is One Of The Key Targets For Dendrobine To Improve Hepatic Steatosis In Nafld., Yanzhe Xu, Miao Wang, Yi Luo, Hao Liu, Hua Ling, Yuqi He, Yanliu Lu Apr 2024

Pparα Is One Of The Key Targets For Dendrobine To Improve Hepatic Steatosis In Nafld., Yanzhe Xu, Miao Wang, Yi Luo, Hao Liu, Hua Ling, Yuqi He, Yanliu Lu

PCOM Scholarly Works

ETHNOPHARMACOLOGICAL RELEVANCE: Dendrobium nobile Lindl. (DNL) is a traditional Chinese ethnobotanical herb. Dendrobine (DNE) has been designated as a quality indicator for DNL in the Chinese Pharmacopoeia. DNE exhibits various pharmacological activities, including the reduction of blood lipids, regulation of blood sugar levels, as well as anti-inflammatory and antioxidant properties.

AIM OF THE STUDY: The objective of this study is to explore the impact of DNE on lipid degeneration in nonalcoholic fatty liver disease (NAFLD) liver cells and elucidate its specific mechanism. The findings aim to offer theoretical support for the development of drugs related to DNL.

MATERIALS AND METHODS: …