Introduction: Multiple sclerosis (MS) is a neurodegenerative autoimmune disease that worsens with age. Here, we examined the influence of age on passive experimental autoimmune encephalomyelitis (P-EAE), a model to study MS, using young and mature adult 2D2 transgenic donor mice to induce pathology in WT C57BL6/J mice.
Methods: Lymphocytes from young adult (i.e., 10-week-old) or mature adult (i.e., 6-month-old) transgenic donor mice were characterized by flow cytometry prior to injection of cultured leukocytes into adult female WT recipient mice, with a special focus on transgenic T cell phenotypes.
Results: Our findings show age-dependent changes in memory T cell phenotypes correlated with more severe clinical and histological disease when donor cells originated from young as compared to mature adult mice.
Conclusion: Not only do these results demonstrate that the age of the 2D2 transgenic donor mice is critical in establishing P-EAE, but the differential effects might also identify age-dependent factors that contribute to EAE and perhaps MS.
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http://dx.doi.org/10.1159/000534351 | DOI Listing |
Acta Physiol (Oxf)
February 2025
Institute for Physiology, University Medical Centre of the Johannes Gutenberg University Mainz, Mainz, Germany.
Aim: Despite dysfunctional vasoactive intestinal polypeptide-positive interneurons (VIP-INs) being linked to the emergence of neurodevelopmental disorders, the temporal profile of VIP-IN functional maturation and cortical network integration remains unclear.
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J Mol Cell Cardiol Plus
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Early Origins of Adult Health Research Group, Health and Biomedical Innovation, UniSA: Clinical and Health Sciences, University of South Australia, Adelaide, SA 5001, Australia.
The adult mammalian heart is unable to undergo cardiac repair, limiting potential treatment options after cardiac damage. However, the fetal heart is capable of cardiac repair. In preparation for birth, cardiomyocytes (CMs) undergo major maturational changes that include exit from the cell cycle, hypertrophic growth, and mitochondrial maturation.
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Department of Dentistry, NEIGRIHMS (North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences), Shillong, India.
The prevalence of oromaxillofacial fracture in pediatric patients is comparatively less than in adults, which could be due to several inconclusive factors, such as infrequent exposure to high-contact sports games, rash driving of vehicles and motorbikes, alcohol consumption, and fist fights for personal reasons under the influence of alcohol. More importantly, most of the time, children are under the care of their parents till they reach an age of maturity. One more thing that everyone believes even today is the elasticity nature of their bones as well as their body weight during their growing stage.
View Article and Find Full Text PDFDev Rev
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Child Study Center, Yale School of Medicine, 230 S Frontage Rd, New Haven, CT 06519, USA.
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