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Massive endocytosis mechanisms are involved in uptake of HIV-1 particles by monocyte-derived dendritic cells.
Front Immunol
January 2025
IrsiCaixa, Badalona, Spain.
Introduction: HIV-1 exploits dendritic cells (DCs) to spread throughout the body via specific recognition of gangliosides present on the viral envelope by the CD169/Siglec-1 membrane receptor. This interaction triggers the internalization of HIV-1 within a structure known as the sac-like compartment. While the mechanism underlying sac-like compartment formation remains elusive, prior research indicates that the process is clathrin-independent and cell membrane cholesterol-dependent and involves transient disruption of cortical actin.
View Article and Find Full Text PDFMesenchymal stem cells derived exosomes: a new era in cardiac regeneration.
Stem Cell Res Ther
January 2025
Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran.
Despite significant strides in medical treatments and surgical procedures for cardiovascular diseases, these conditions continue to be a major global health concern. The persistent need for innovative therapeutic approaches to mend damaged heart tissue highlights the complexity and urgency of this medical challenge. In recent years, stem cells have emerged as a promising tool for tissue regeneration, but challenges such as graft rejection and tumor formation have limited their clinical application.
View Article and Find Full Text PDFUnlabelled: The increased rate of anterior cruciate ligament (ACL) tears has led to a greater number of revisions. Revision surgery can be performed in one or two stages. Single-stage revision ACL reconstruction (ssRACLR) may be performed when prior tunnels can be re-used or bypassed whereas a two-stage procedure is indicated when bone grafting of dilated tunnels prior to revision is necessary.
View Article and Find Full Text PDFHip Dysplasia Diagnosed After Skeletal Maturity: Factors Associated With Progression to Osteoarthritis.
Iowa Orthop J
January 2025
Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.
Background: Hip dysplasia diagnosed after skeletal maturity is distinct from developmental dysplasia of the hip (DDH) in infants and young children. While the natural history of DDH in infants and young children is well-established, the association between hip dysplasia diagnosed after skeletal maturity and osteoarthritis is less clear. This narrative review summarizes existing literature assessing characteristics of hip dysplasia diagnosed after skeletal maturity associated with progression to osteoarthritis.
View Article and Find Full Text PDF'Obviously, because it's a tear it won't necessarily mend itself': a qualitative study of patient experiences and expectations of treatment for a meniscal tear.
BMJ Open
January 2025
Warwick Clinical Trials Unit, University of Warwick, Warwick Medical School, Coventry, UK.
Objectives: There is a paucity of qualitative research exploring the patient experience of living with a meniscal tear, vital to effective patient management. The aim of this study was to explore the experiences and expectations of treatment of patients aged 18-55 years with a meniscal tear of the knee.
Design: Qualitative study involving semistructured interviews.
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