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The spatial landscape of glial pathology and T cell response in Parkinson's disease substantia nigra

3 months 2 weeks ago
Parkinson's Disease (PD) is an incurable neurodegenerative disease that causes movement disorders. Neurons in PD aggregate α-synuclein and are depleted from the substantia nigra (SN), which is a movement control hub. The presence of α-synuclein-reactive T cells in PD patient blood suggests a role for adaptive immunity in the pathogenesis of PD. However, the characteristics of this response within the brain are not well understood. Here, we employed single-nucleus RNAseq, spatial transcriptomics,...
Maxwell Ma

Fasting is required for many of the benefits of calorie restriction in the 3xTg mouse model of Alzheimer's disease

3 months 2 weeks ago
Caloric restriction slows or prevents Alzheimer's disease in animal models. Calorie restriction is typically implemented in rodents through feeding once per day; as the animals quickly consume their food, they are subject to a prolonged self-imposed fasting period between meals. Here, we examine the distinct contributions of fasting and reduced calories to the beneficial effects of calorie restriction on Alzheimer's disease by placing male and female 3xTg and non-transgenic control mice on a...
Reji Babygirija