In recent years, in molecular biology there has been a shift in priorities towards deciphering the mechanisms of realization of genetic information. As a result, research has come to the fore regarding the transmission of signals between cells and within each cell.
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http://dx.doi.org/10.14341/probl20055133-6 | DOI Listing |
PLoS One
January 2025
Fujian Key Laboratory of Lung Stem Cells, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China.
Introduction: Pulmonary fibrosis (PF) is a chronic and irreversible interstitial lung disease characterized by a lack of effective therapies. Mesenchymal stem cells (MSCs) have garnered significant interest in the realm of lung regeneration due to their abundant availability, ease of isolation, and capacity for expansion. The objective of our study was to investigate the potential therapeutic role of umbilical cord-derived MSCs (UC-MSCs) in the management of PF, with a focus on the alterations in the gut microbiota and its metabolites during the use of UC-MSCs for the treatment of pulmonary fibrosis, as well as the possible mechanisms involved.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Laboratory of Behavioral Neuroscience, National Institute on Aging, Intramural Research Program, Baltimore, MD, USA.
Background: Growth/differentiation factor-15 (GDF15) has been associated with dementia risk, yet its predictive value across cohorts and sub-population, as well as its relationship with endophenotypes relevant to dementia, remains unknown.
Methods: Using the Atherosclerosis Risk in Communities (ARIC) study as the discovery cohort, we examined the relationship between plasma GDF15 levels (SomaScan) and risk for incident all-cause dementia (ACD) in late-life (N=4,287, 7-year follow-up, M=75±5) and in midlife (N=11,595, 20-year follow-up, M=57±6). Utilizing the UK Biobank (UKB; replication cohort), we related plasma GDF15 (Olink) to incident ACD (N=35,673, 14-year follow-up, M=61±5), vascular dementia (VaD) and Alzheimer's disease dementia (AD).
Alzheimers Dement
December 2024
All India Institute of Medical Sciences, New Delhi, New Delhi, India.
Background: Alzheimer's disease (AD) is a neurodegenerative disease characterized by Aβ plaques and neurofibrillary tangles, with chronic inflammation and synaptic dysfunction playing a significant contributor to disease progression and cognitive decline. Small extracellular vesicles (sEVs) are implicated in AD progression by facilitating the spread of pathological proteins and inflammatory cytokines. This study investigates the role of plasma-derived sEVs (PsEVs) in synaptic dysfunction and neuroinflammation and their association with amyloid-β and tau pathologies in AD progression.
View Article and Find Full Text PDFBackground: Alzheimer's and Parkinson's disease are the most common neurodegenerative diseases. In the current study, we explored the potential of blood-based markers to differentiate Alzheimer's disease (AD) and Parkinson's disease (PD) from healthy controls using ELISA assays via measuring the serum level of α-Syn and panels of inflammatory cytokines in the small pilot cohort of Egyptian volunteers. With the ongoing genetic studies, upcoming data suggest that it is not trivial to revisit the findings reported in specific populations to be tested in each ancestor of different genetic and environmental backgrounds.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Boston University Alzheimer's Disease Research Center, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA.
Background: Traumatic encephalopathy syndrome (TES) is the proposed clinical syndrome of the neurodegenerative disease chronic traumatic encephalopathy (CTE). As part of the 2021 TES NINDS consensus diagnostic criteria, certainty levels of underlying CTE neuropathology can be determined (i.e.
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