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BRAT1 - a new therapeutic target for glioblastoma.
Cell Mol Life Sci
January 2025
Experimental Neurosurgery, Department of Neurosurgery, Neuroscience Center, Goethe University Hospital, Goethe University Frankfurt, 60528, Frankfurt am Main, Germany.
Glioblastoma (GBM), the most malignant primary brain tumor in adults, has poor prognosis irrespective of therapeutic advances due to its radio-resistance and infiltrative growth into brain tissue. The present study assessed functions and putative druggability of BRCA1-associated ATM activator 1 (BRAT1) as a crucial factor driving key aspects of GBM, including enhanced DNA damage response and tumor migration. By a stable depletion of BRAT1 in GBM and glioma stem-like (GSC) cell lines, we observed a delay in DNA double-strand break repair and increased sensitivity to radiation treatment, corroborated by in vitro and in vivo studies demonstrating impaired tumor growth and invasion.
View Article and Find Full Text PDFlncRNA SNHG6 Knockdown Promotes Microglial M2 Polarization and Alleviates Spinal Cord Injury via Regulating the miR-182-5p/NEUROD4 Axis.
Appl Biochem Biotechnol
January 2025
Department of Neurosurgery, General Medical 300 Hospital, No. 420 Huanghe Road, Guiyang City, 550006, Guizhou Province, China.
Spinal cord injury (SCI) is one of the devastating neurological disorders that leads to a loss of motor and sensory functions. Long non-coding RNA small nucleolar RNA host gene 6 (lncRNA SNHG6) plays a crucial role in inflammatory regulation across various diseases. This study investigates the role of SNHG6 in SCI development and its underlying regulatory mechanisms.
View Article and Find Full Text PDFBackground: Here, we assessed the role of the advanced glycation end-product (AGE) precursor methylglyoxal (MGO) and its non-crosslinking AGE MGO-derived hydroimidazolone (MGH)-1 in aortic stiffening and explored the potential of a glycation stress-lowering compound (Gly-Low) to mitigate these effects.
Methods: Young (3-6 month) C57BL/6 mice were supplemented with MGO (in water) and Gly-Low (in chow). Aortic stiffness was assessed in vivo via pulse wave velocity (PWV) and ex vivo through elastic modulus.
Unlabelled: Stress affects gastrointestinal (GI) function causing dysmotility, especially in patients. GI motility is regulated by the enteric nervous system (ENS), suggesting that stress alters ENS biology to cause dysmotility. While stress increases glucocorticoid levels through the hypothalamus-pituitary-adrenal axis, how glucocorticoids affect GI motility is not known.
View Article and Find Full Text PDFAdult Withdrawal of Long-term Benzophenone-3 Treatment Induces Regression of Mammary Ductal Branching in a Diet-Dependent Manner.
Food Chem Toxicol
January 2025
Department of Microbiology, Genetics, and Immunology, Michigan State University, East Lansing, MI, USA. Electronic address:
Benzophenone-3 (also referred to as oxybenzone) is a putative endocrine disrupting chemical and common ingredient in sunscreens and other personal care products. We previously showed that benzophenone-3 can have both promotional and protective effects on mammary tumorigenesis dependent upon dietary fat. The current study examined diet-dependent effects of benzophenone-3 in mammary ductal development in BALB/c mice.
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