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Hemorrhagic astroblastoma: atypical presentation of a rare tumor. Illustrative case.
J Neurosurg Case Lessons
January 2025
Neurosurgery Department, Palmetto General Hospital, Hialeah, Florida.
Background: Astroblastoma is an extremely rare tumor of the central nervous system, and its origin and validity as a different entity are still being debated. Because of its rarity and similarities to other glial neoplasms, it is often misdiagnosed, impacting treatment and outcomes.
Observations: Astroblastoma is very rare and mainly affects children and young adults.
hsa_circ_0021727 facilitates esophageal squamous cell carcinoma progression by stabilizing GBX2 mRNA through interacting with EIF4A3.
Neoplasma
December 2024
Department of General Surgery/Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China.
Esophageal squamous cell carcinoma (ESCC) has high mortality. The role and regulatory mechanism of hsa_circ_0021727 (circ_0021727) in ESCC remain largely unknown. This study focused on the undiscovered impact of circ_0021727 on cell cycle progression, apoptosis, and angiogenesis of ESCC.
View Article and Find Full Text PDFRegulatory effects of resveratrol on nitric oxide signaling in cardiovascular diseases.
Pharmacol Rep
January 2025
Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.
Cardiovascular illnesses are multifactorial disorders and represent the primary reasons for death worldwide, according to the World Health Organization. As a signaling molecule, nitric oxide (NO) is extremely permeable across cellular membranes owing to its unique molecular features, like its small molecular size, lipophilicity, and free radical properties. Some of the biological effects of NO are vasodilation, inhibition in the growth of vascular smooth muscle cells, and functional regulation of cardiac cells.
View Article and Find Full Text PDFThe potential link between the development of Alzheimer's disease and osteoporosis.
Biogerontology
January 2025
Department of Physiology, School of Medicine, University of Louisville, Louisville, KY, 40202, USA.
Alzheimer's disease (AD) and osteoporosis (OP) pose distinct but interconnected health challenges, both significantly impacting the aging population. AD, a neurodegenerative disorder characterized by memory impairment and cognitive decline, is primarily associated with the accumulation of abnormally folded amyloid beta (Aβ) peptides and neurofibrillary tangles in the brain. OP, a skeletal disorder marked by low bone mineral density, involves dysregulation of bone remodeling and is associated with an increased risk of fractures.
View Article and Find Full Text PDFExtracellular vesicle-mediated VEGF-A mRNA delivery rescues ischaemic injury with low immunogenicity.
Eur Heart J
January 2025
School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 2199 Lishui Rd, Nanshan, Shenzhen, Guangdong Province 518055, China.
Background And Aims: Lackluster results from recently completed gene therapy clinical trials of VEGF-A delivered by viral vectors have heightened the need to develop alternative delivery strategies. This study aims to demonstrate the pre-clinical efficacy and safety of extracellular vesicles (EVs) loaded with VEGF-A mRNA for the treatment of ischaemic vascular disease.
Methods: After encapsulation of full-length VEGF-A mRNA into fibroblast-derived EVs via cellular nanoporation (CNP), collected VEGF-A EVs were delivered into mouse models of ischaemic injury.
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