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Drug Development.
Alzheimers Dement
December 2024
Loma Linda University Health, Loma Linda, CA, USA.
Background: Only about 50% of the variance in cognitive decline occurring during Alzheimer's pathogenesis is attributable to standard AD biomarkers (cerebrocortical Aβ, pathological tau, and atrophy) (Tosun et al., Alzheimer's Dement. 18: 1370, 2022).
View Article and Find Full Text PDFDrug Development.
Alzheimers Dement
December 2024
The TT & WF Chao Center for BRAIN and Houston Methodist Neal Cancer Center, Houston Methodist Hospital, Houston, TX, USA.
Background: Global epidemiological studies involving over nine million participants have shown a 35% lower incidence of Alzheimer's Disease (AD) in older cancer survivors compared to those without a history of cancer. This inverse relationship, consistent across recent studies with methodological controls, suggests that cancer itself, rather than cancer treatments, may offer protective factors against AD. This insight opens avenues for novel therapeutic strategies targeting early AD by harnessing cancer-associated protective factors.
View Article and Find Full Text PDFBackground: Understanding the fundamental differences between the human and pre-human brain is a prerequisite for designing meaningful models and therapies for AD. Expressed CHRFAM7A, a human restricted gene with carrier frequency of 75% in the human population predicts profound translational significance.
Method: The physiological role of CHRFAM7A in human brain is explored using multiomics approach on 600 post mortem human brain tissue samples (ROSMAP).
Sex-related differences in the morphology of rectal mucosa-associated lymphoid tissues in C57BL/6NCrSlc mice.
Histol Histopathol
December 2024
Laboratory of Anatomy, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Hokkaido, Japan.
Sex hormones regulate gut function and mucosal immunity; however, their specific effects on the mucosa-associated lymphoid tissue (MALT) in the rectum of mammals remain unclear. Here, we aimed to investigate the influence of sex on MALT in the rectum of mammals by focusing on the rectal mucosa-associated lymphoid tissues (RMALTs) of C57BL/6NCrSIc mice. Histological analysis revealed that RMALTs were predominantly located in the lamina propria and submucosa of the rectal mucosa, with a significant sex-related difference in the distance from the anorectal junction to the first appearance of the RMALT.
View Article and Find Full Text PDFBackground: VG-3927 is a highly potent, selective, brain penetrant, oral small molecule TREM2 agonist that is currently under development for the treatment of Alzheimer's disease (AD). TREM2, a receptor expressed on microglia in the brain is critical to microglial function in health and in disease. Among microglia-associated AD risk genes, partial loss-of-function variants of TREM2 confer 2-3 fold increase in risk for developing AD, motivating efforts to identify pharmacological agonists targeting TREM2 as a therapeutic option.
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