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Mitochondria-Associated Endoplasmic Reticulum Membranes in Microglia: One Contact Site to Rule Them all.
Contact (Thousand Oaks)
January 2025
Department of Biomedicine, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040 Madrid, Spain.
Microglia, the resident immune cells of the central nervous system (CNS), play a crucial role in maintaining tissue homeostasis by monitoring and responding to environmental changes through processes such as phagocytosis, cytokine production or synapse remodeling. Their dynamic nature and diverse functions are supported by the regulation of multiple metabolic pathways, enabling microglia to efficiently adapt to fluctuating signals. A key aspect of this regulation occurs at mitochondria-associated ER membranes (MAM), specialized contact sites between the ER and mitochondria.
View Article and Find Full Text PDFZn-doped CaP coating equips Ti implants with corrosion resistance, biomineralization, antibacterial and immunotolerant activities.
J Adv Res
January 2025
National Institute of Research and Development for Optoelectronics - INOE 2000, 409 Atomistilor St. 077125 Magurele, Romania. Electronic address:
Introduction: Chronic inflammation leading to implant failure present major challenges in orthopedics, dentistry, and reconstructive surgery. Titanium alloys, while widely used, often provoke inflammatory complications. Zinc-doped calcium phosphate (CaP) coatings offer potential to enhance implant integration by improving corrosion resistance, bioactivity, and immunocompatibility.
View Article and Find Full Text PDFMolecular basis of vitamin K driven γ-carboxylation at membrane interface.
Nature
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Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO, USA.
The γ-carboxylation of glutamate residues enables Ca-mediated membrane assembly of protein complexes that support broad physiological functions including hemostasis, calcium homeostasis, immune response, and endocrine regulation. Modulating γ-carboxylation level provides prevalent treatments for hemorrhagic and thromboembolic diseases. This unique posttranslational modification requires vitamin K hydroquinone (KH) to drive highly demanding reactions catalyzed by the membrane-integrated γ-carboxylase (VKGC).
View Article and Find Full Text PDFUpdate in Cardiovascular Prevention: From Risk Scores to Imaging.
R I Med J (2013)
February 2025
Division of Cardiology, Department of Medicine, Brown University, Providence RI.
Atherosclerotic cardiovascular disease (ASCVD) remains the leading cause of morbidity and mortality worldwide. This review explores the evolving evidence base surrounding ASCVD prevention, particularly regarding nontraditional biomarkers, risk scores, and cardiovascular imaging modalities. Additionally, this review examines cardiovascular risk scores, including the PREVENT and MESA-CHD scores, which incorporate both traditional and nontraditional factors, thereby aspiring to offer a more equitable and precise risk assessment.
View Article and Find Full Text PDFMonitoring of inflammatory preterm responses via myometrial cell based multimodal electrophysiological and optical biosensing platform.
Biosens Bioelectron
January 2025
Department of Chemistry, ZJU-Hangzhou Global Scientific and Technological Innovation Center, School of Medicine, Zhejiang University, Hangzhou, 310058, China; General Surgery Department, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Children's Health, Hangzhou, 310052, China. Electronic address:
Preterm birth (PTB) remains a leading cause of neonatal morbidity and mortality, with inflammation-induced PTB posing a significant challenge due to its complex pathophysiology. To address this, we developed an in vitro platform utilizing hTERT-immortalized human myometrial (hTERT-HM) cells integrated with a multielectrode array (MEA) biosensing system and optical calcium imaging. Compared to primary uterine myometrial cells, hTERT-HM cells exhibit superior reproducibility, high scalability, and convenient manipulation, facilitating the consistent and large-scale investigations.
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