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http://dx.doi.org/10.1111/pcmr.12965 | DOI Listing |
Alzheimers Dement
December 2024
Indiana University School of Medicine, Indianapolis, IN, USA.
Background: SHIP1 is a phosphatidyl inositol phosphatase encoded by INPP5D, which has been identified as a risk gene for Alzheimer's disease (AD). SHIP1 is expressed in microglia, the resident macrophage in brain. It is a complex, multidomain protein that acts as a negative regulator downstream from TREM2.
View Article and Find Full Text PDFInt J Biol Sci
January 2025
Department of Urology, the Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, China.
Clear cell renal cell carcinoma (ccRCC) is one of the most common and aggressive malignancies of the urinary system. Despite being the first-line treatment for advanced ccRCC, vascular endothelial growth factor receptor inhibitors (VEGFRis) face significant limitations due to both initial and acquired resistance, which impede complete tumor eradication. Using a CRISPR/Cas9 library screening approach, was identified as a resistance-associated gene for three prevalent VEGFRis (Sunitinib, Axitinib, and Sorafenib).
View Article and Find Full Text PDFBiofactors
January 2025
Department of Biological Science and Technology, College of Life Sciences, China Medical University, Taichung, Taiwan, ROC.
Ultraviolet (UV) irradiation is a major factor contributing to skin photoaging, including the formation of reactive oxygen species (ROS), collagen breakdown, and overall skin damage. Insulin-like growth factor-I (IGF-1) is a polypeptide hormone that regulates dermal survival and collagen synthesis. Echinacoside (Ech), a natural phenylethanoid glycoside, is the most abundant active compound in Cistanches.
View Article and Find Full Text PDFCurr Mol Med
January 2025
Department of Laboratory, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran.
Long non-coding RNAs (lncRNAs) play vital roles in the development and progression of various tumors through multiple mechanisms. Among these, HOTTIP (HOXA transcript at the distal tip) stands out as an intriguing candidate with diverse functions in several malignancies, including breast cancer and gynecologic cancers such as ovarian, cervical, and endometrial cancers, which are significant global health concerns. HOTTIP interacts with key signaling pathways associated with these cancers, including Wnt/β-catenin, PI3K/AKT, and MEK/ERK pathways, enhancing their activation and downstream effects.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
Department of Pulmonary and Critical Care Medicine, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China. Electronic address:
The small GTPase Ras is among the most frequently mutated genes and its mutations often drive oncogenesis across various cancers. While the role of NRas phosphorylation at S89 in the context of a Q61R mutation in melanoma genesis remains controversial, the impact of S89 phosphorylation on NRas function has not been fully elucidated. In this study, we employed the S89D phosphorylation-mimetic mutation and demonstrated that the S89D mutation alone activated all Ras isoforms by increasing the GTP-bound population, thereby promoting ERK phosphorylation and cell proliferation.
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