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Long-Term Survivor with Paraneoplastic Cerebellar Ataxia and Small-Cell Lung Cancer.
J Clin Med
January 2025
Department of Clinical Therapeutics, Alexandra General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11528 Athens, Greece.
Paraneoplastic cerebellar degeneration (PCD) is an inflammatory autoimmune process caused by onconeural antibodies directed against cerebellar Purkinje cells. In most cases, prognosis is poor as disease progression leads to pancerebellar dysfunction and permanent neurological damage. Through this case report, we aim to highlight the clinical presentation, diagnostic process, and therapeutic implications associated with PCD secondary to SCLC.
View Article and Find Full Text PDFOlaparib Combined with DDR Inhibitors Effectively Prevents EMT and Affects miRNA Regulation in -Mutated Epithelial Ovarian Cancer Cell Lines.
Int J Mol Sci
January 2025
Department of Medical Biophysics, Institute of Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska Street, 90-236 Lodz, Poland.
Epithelial ovarian cancer (EOC) remains a leading cause of gynecologic cancer mortality. Despite advances in treatment, metastatic progression and resistance to standard therapies significantly worsen patient outcomes. Epithelial-mesenchymal transition (EMT) is a critical process in metastasis, enabling cancer cells to gain invasive and migratory capabilities, often driven by changing miRNA expression involved in the regulation of pathological processes like drug resistance.
View Article and Find Full Text PDFIn and out of Replication Stress: PCNA/RPA1-Based Dynamics of Fork Stalling and Restart in the Same Cell.
Int J Mol Sci
January 2025
Institute of Molecular Biology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. Bl. 21, 1113 Sofia, Bulgaria.
Replication forks encounter various impediments, which induce fork stalling and threaten genome stability, yet the precise dynamics of fork stalling and restart at the single-cell level remain elusive. Herein, we devise a live-cell microscopy-based approach to follow hydroxyurea-induced fork stalling and subsequent restart at 30 s resolution. We measure two distinct processes during fork stalling.
View Article and Find Full Text PDFDepression and Associated Factors Among Patients with Spinocerebellar Ataxia.
Medicina (Kaunas)
January 2025
Suanprug Hospital, Chang Wat Ratchaburi 70180, Thailand.
Spinocerebellar ataxia (SCA) is a progressive neurodegenerative disease often accompanied by depression. This cross-sectional study investigated the prevalence of depression and the associated mental health factors in SCA patients. Eleven Thai SCA patients completed questionnaires assessing depression, anxiety, inner strengths, perceived social support, personality traits and perceived stress.
View Article and Find Full Text PDFMetabolic dependency mapping identifies Peroxiredoxin 1 as a driver of resistance to ATM inhibition.
Redox Biol
January 2025
Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute/National Institutes of Health, 37 Convent Drive, Bethesda, MD, 20892, USA. Electronic address:
Metabolic pathways fuel tumor progression and resistance to stress conditions including chemotherapeutic drugs, such as DNA damage response (DDR) inhibitors. Yet, significant gaps persist in how metabolic pathways confer resistance to DDR inhibition in cancer cells. Here, we employed a metabolism-focused CRISPR knockout screen and identified genetic vulnerabilities to DDR inhibitors.
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