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Articles 1 - 5 of 5
Full-Text Articles in Genetics and Genomics
Editorial For The Genetics Of Alzheimer’S Disease Special Issue: October 2021, Laura Ibanez, Justin B. Miller
Editorial For The Genetics Of Alzheimer’S Disease Special Issue: October 2021, Laura Ibanez, Justin B. Miller
Sanders-Brown Center on Aging Faculty Publications
No abstract provided.
Ketogenic Diet Enhances Neurovascular Function With Altered Gut Microbiome In Young Healthy Mice, David Ma, Amy C. Wang, Ishita Parikh, Stefan J. Green, Jared D. Hoffman, George Chlipala, M. Paul Murphy, Brent S. Sokola, Björn Bauer, Anika M. S. Hartz, Ai-Ling Lin
Ketogenic Diet Enhances Neurovascular Function With Altered Gut Microbiome In Young Healthy Mice, David Ma, Amy C. Wang, Ishita Parikh, Stefan J. Green, Jared D. Hoffman, George Chlipala, M. Paul Murphy, Brent S. Sokola, Björn Bauer, Anika M. S. Hartz, Ai-Ling Lin
Sanders-Brown Center on Aging Faculty Publications
Neurovascular integrity, including cerebral blood flow (CBF) and blood-brain barrier (BBB) function, plays a major role in determining cognitive capability. Recent studies suggest that neurovascular integrity could be regulated by the gut microbiome. The purpose of the study was to identify if ketogenic diet (KD) intervention would alter gut microbiome and enhance neurovascular functions, and thus reduce risk for neurodegeneration in young healthy mice (12–14 weeks old). Here we show that with 16 weeks of KD, mice had significant increases in CBF and P-glycoprotein transports on BBB to facilitate clearance of amyloid-beta, a hallmark of Alzheimer’s disease (AD). These neurovascular …
Cerebral Amyloid Angiopathy In Down Syndrome And Sporadic And Autosomal-Dominant Alzheimer's Disease, María Carmona-Iragui, Mircea Balasa, Bessy Benejam, Daniel Alcolea, Susana Fernández, Laura Videla, Isabel Sala, María Belén Sánchez-Saudinós, Estrella Morenas-Rodriguez, Roser Ribosa-Nogué, Ignacio Illán-Gala, Sofía Gonzalez-Ortiz, Jordi Clarimón, Frederick A. Schmitt, David K. Powell, Beatriz Bosch, Albert Lladó, Michael S. Rafii, Elizabeth Head, José Luis Molinuevo, Rafael Blesa, Sebastián Videla, Alberto Lleó, Raquel Sánchez-Valle, Juan Fortea
Cerebral Amyloid Angiopathy In Down Syndrome And Sporadic And Autosomal-Dominant Alzheimer's Disease, María Carmona-Iragui, Mircea Balasa, Bessy Benejam, Daniel Alcolea, Susana Fernández, Laura Videla, Isabel Sala, María Belén Sánchez-Saudinós, Estrella Morenas-Rodriguez, Roser Ribosa-Nogué, Ignacio Illán-Gala, Sofía Gonzalez-Ortiz, Jordi Clarimón, Frederick A. Schmitt, David K. Powell, Beatriz Bosch, Albert Lladó, Michael S. Rafii, Elizabeth Head, José Luis Molinuevo, Rafael Blesa, Sebastián Videla, Alberto Lleó, Raquel Sánchez-Valle, Juan Fortea
Sanders-Brown Center on Aging Faculty Publications
Introduction—We aimed to investigate if cerebral amyloid angiopathy (CAA) is more frequent in genetically determined than in sporadic early-onset forms of Alzheimer's disease (AD) (early-onset AD [EOAD]).
Methods—Neuroimaging features of CAA, APOE, and cerebrospinal fluid-Aβ40 levels were studied in subjects with Down syndrome (DS, n = 117), autosomal-dominant AD (ADAD, n = 29), sporadic EOAD (n = 42), and healthy controls (n = 68).
Results—CAA was present in 31%, 38%, and 12% of cognitively impaired DS, symptomatic ADAD, and sporadic EOAD subjects and in 13% and 4% of cognitively unimpaired DS individuals and healthy controls, respectively. …
Hne-Modified Proteins In Down Syndrome: Involvement In Development Of Alzheimer Disease Neuropathology, Eugenio Barone, Elizabeth Head, D. Allan Butterfield, Marzia Perluigi
Hne-Modified Proteins In Down Syndrome: Involvement In Development Of Alzheimer Disease Neuropathology, Eugenio Barone, Elizabeth Head, D. Allan Butterfield, Marzia Perluigi
Sanders-Brown Center on Aging Faculty Publications
Down syndrome (DS), trisomy of chromosome 21, is the most common genetic form of intellectual disability. The neuropathology of DS involves multiple molecular mechanisms, similar to AD, including the deposition of beta-amyloid (Aβ) into senile plaques and tau hyperphosphorylating in neurofibrillary tangles. Interestingly, many genes encoded by chromosome 21, in addition to being primarily linked to amyloid-beta peptide (Aβ) pathology, are responsible for increased oxidative stress (OS) conditions that also result as a consequence of reduced antioxidant system efficiency. However, redox homeostasis is disturbed by overproduction of Aβ, which accumulates into plaques across the lifespan in DS as well as …
Csf Protein Changes Associated With Hippocampal Sclerosis Risk Gene Variants Highlight Impact Of Grn/Pgrn, David W. Fardo, Yuriko Katsumata, John S. K. Kauwe, Yuetiva Deming, Oscar Harari, Carlos Cruchaga, Alzheimer’S Disease Neuroimaging Initiative, Peter T. Nelson
Csf Protein Changes Associated With Hippocampal Sclerosis Risk Gene Variants Highlight Impact Of Grn/Pgrn, David W. Fardo, Yuriko Katsumata, John S. K. Kauwe, Yuetiva Deming, Oscar Harari, Carlos Cruchaga, Alzheimer’S Disease Neuroimaging Initiative, Peter T. Nelson
Sanders-Brown Center on Aging Faculty Publications
Objective—Hippocampal sclerosis of aging (HS-Aging) is a common cause of dementia in older adults. We tested the variability in cerebrospinal fluid (CSF) proteins associated with previously identified HS-Aging risk single nucleotide polymorphisms (SNPs).
Methods—Alzheimer’s Disease Neuroimaging Initiative cohort (ADNI; n=237) data, combining both multiplexed proteomics CSF and genotype data, were used to assess the association between CSF analytes and risk SNPs in four genes (SNPs): GRN (rs5848), TMEM106B (rs1990622), ABCC9 (rs704180), and KCNMB2 (rs9637454). For controls, non-HS-Aging SNPs in APOE (rs429358/rs7412) and MAPT (rs8070723) were also analyzed against Aβ1-42 and total tau CSF analytes.
Results—The GRN risk …