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Dopamine degrades ferritin by chaperone-mediated autophagy to elevate mitochondrial iron level in astroglial cells.
Free Radic Biol Med
January 2025
Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, 110067, India. Electronic address:
Iron accumulation and mitochondrial dysfunction in astroglia are reported in Parkinson's disease (PD). Astroglia control iron availability in neurons in which dopamine (DA) synthesis is affected in PD. Despite their intimate relationship the role of DA in astroglial iron homeostasis is limited.
View Article and Find Full Text PDFThe Golgi complex governs natural killer cell lytic granule positioning to promote directionality in cytotoxicity.
Cell Rep
January 2025
Vagelos College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA. Electronic address:
Cytotoxic immune cells mediate precise attacks against diseased cells to maintain organismal health. Their operational unit of killing and host defense is lytic granules (LGs), which are specialized lysosomal-related organelles. Precision in cytotoxicity is achieved by converging the many LGs to the microtubule-organizing center (MTOC) and polarizing these to the diseased cell for secretion.
View Article and Find Full Text PDFIntegrated bioinformatics analysis and experimental validation of exosome-related gene signature in steroid-induced osteonecrosis of the femoral head.
J Orthop Surg Res
January 2025
Department of Hand-Foot Microsurgery, Shenzhen Nanshan People's Hospital, The 6th Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China.
Background: Steroid-induced osteonecrosis of the femoral head (SIONFH) is a universal hip articular disease and is very hard to perceive at an early stage. The understanding of the pathogenesis of SIONFH is still limited, and the identification of efficient diagnostic biomarkers is insufficient. This research aims to recognize and validate the latent exosome-related molecular signature in SIONFH diagnosis by employing bioinformatics to investigate exosome-related mechanisms in SIONFH.
View Article and Find Full Text PDFUnderstanding the intricacies of cellular mechanisms in remyelination: The role of circadian rhythm.
Neurochem Int
January 2025
Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China; Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China; Clinical Medical Research Center for Child Development and Behavior, Changsha, 410011, Hunan, China. Electronic address:
The term "circadian rhythm" refers to the 24-h oscillations found in various physiological processes in organisms, responsible for maintaining bodily homeostasis. Many neurological diseases mainly involve the process of demyelination, and remyelination is crucial for the treatment of neurological diseases. Current research mainly focuses on the key role of circadian clocks in the pathophysiological mechanisms of multiple sclerosis.
View Article and Find Full Text PDFLower pain, less itching, and faster healing after ultrasound scalpel-assisted hemorrhoidectomy using an intimate cleaner containing chlorhexidine, acid hyaluronic acid, and natural anti-inflammatories: a multicenter observational case-control study.
Ann Coloproctol
December 2024
Department of Advanced Medical and Surgical Sciences, University of Campania Luigi Vanvitelli, Naples, Italy.
Purpose: Postoperative pain is a major concern for patients undergoing ultrasound scalpel-assisted hemorrhoidectomy, potentially exacerbated by delayed wound healing. This study aimed to evaluate the impact of an intimate cleansing gel containing chlorhexidine, hyaluronic acid, and other anti-inflammatory agents (Antroclean Fisioderm) on postoperative pain, itching, and wound healing in patients who had undergone this procedure.
Methods: This multicenter observational case-control study involved a cohort of consecutive adult patients who underwent hemorrhoidectomy using an ultrasound device.
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