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Drug Development.
Alzheimers Dement
December 2024
Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Background: Cognitive decline associated with Alzheimer's disease (AD) correlates with hyperphosphorylated tau (pTau) propagating between neurons along networks connected by synapses. It has been hypothesized this transcellular transmission occurs partially by extracellular vesicles (EVs). Both genetic and pharmacological inhibition of nSMase2 has been found to inhibit EV biogenesis and pTau propagation.
View Article and Find Full Text PDFDrug Development.
Alzheimers Dement
December 2024
University of Kansas Alzheimer's Disease Research Center, Fairway, KS, USA.
Background: Aerobic exercise may positively affect brain health, although relationships with cognitive change are mixed. This likely is due to individual differences in the systemic physiological response to exercise. However, the acute effects of exercise on brain metabolism and biomarker responses are not well characterized in older adults or cognitively impaired individuals.
View Article and Find Full Text PDFDementia Care Research and Psychosocial Factors.
Alzheimers Dement
December 2024
Memory and Aging Center, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA.
Background: Aging associates with decreased functional connectivity between brain regions linked to musical rhythm perception. Producing rhythmic music may result in strengthened functional connectivity of these regions, but more evidence is needed to support intervention design. Currently, few studies directly contrast younger and older adults' rhythmic music performance to understand brain-behavior relationships.
View Article and Find Full Text PDFThe influence of preoperative fat distribution on post-bariatric surgery body mass index and body weight loss.
Diabetes Obes Metab
January 2025
Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China.
Background: The body weight following bariatric surgery is a primary concern for both healthcare professionals and surgical candidates. However, it remains unclear whether variations in preoperative fat distribution influence weight loss outcomes.
Objective: The aim of this study was to evaluate the effect of abdominal fat distribution on postoperative weight loss and body mass index (BMI) reduction, and to clarify the role of different fat depots in weight loss outcomes.
Prognostic significance of MRD and its correlation with arsenic concentration in pediatric acute promyelocytic leukemia: a retrospective study by SCCLG-APL group.
Ther Adv Hematol
January 2025
Department of Paediatrics, First Affiliated Hospital, Sun Yat-sen University, Zhongshan Er Road, No. 58, Guangzhou, Guangdong 510080, China.
Background: Treatment outcomes for acute promyelocytic leukemia (APL) have improved with all-trans-retinoic acid and arsenic trioxide, yet relapse remains a concern, especially in pediatric patients. The prognostic value of minimal residual disease (MRD) post-induction and the impact of arsenic levels during induction on MRD are not fully understood.
Objectives: To evaluate the relationship between post-induction MRD levels and relapse-free survival (RFS) in pediatric APL patients, and to investigate the correlation between blood arsenic concentration levels during induction therapy and MRD status.
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