Since the mutation in SARS-COV2 poses new challenges in designing vaccines, it is imperative to develop advanced tools for visualizing the genetic information. Specially, it remains challenging to address the patient-to-patient variability and identify the signature for severe/critical conditions. In this endeavor we analyze the large-scale RNA-sequencing data collected from broncho-alveolar fluid. In this work, we have used PCA and tSNE for the dimension-reduction. The novelty of the current work is to depict a detailed comparison of k-means, HDBSAN and neuro-fuzzy method in visualization of high-dimension data on gene expression. Clinical Relevance- The subpopulation profiling can be used to study the patient-to patient variability when infected by SARS-COV-2 and its variants. The distribution of cell types can be relevant in designing new drugs that are targeted to control the distribution of epithelial cells T cells and macrophages.
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http://dx.doi.org/10.1109/EMBC48229.2022.9871686 | DOI Listing |
Am J Hum Genet
December 2024
Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; The Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, TX 77030, USA. Electronic address:
In recent years, significant efforts have been made to improve methods for genomic studies of admixed populations using local ancestry inference (LAI). Accurate LAI is crucial to ensure that downstream analyses accurately reflect the genetic ancestry of research participants. Here, we test analytic strategies for LAI to provide guidelines for optimal accuracy, focusing on admixed populations reflective of Latin America's primary continental ancestries-African (AFR), Amerindigenous (AMR), and European (EUR).
View Article and Find Full Text PDFAlzheimers Dement
December 2024
National Institute on Aging, Bethesda, MD, USA.
Background: Alzheimer's disease (AD) is complex and multifactorial. Precision medicine approaches are needed to capture the basis of heterogeneity in AD pathogenesis, clinical presentation and neuropathology. Large-scale molecular, deep phenotypic and exposomal data necessary to enable precision medicine research requires team-based, interdisciplinary programs.
View Article and Find Full Text PDFBackground: Early detection and accurate forecasting of AD progression are crucial for timely intervention and management. This study leverages multi-modal data, including MRI scans, brain volumetrics, and clinical notes, utilizing Machine Learning (ML), Deep Learning (DL) and a range of ensemble methods to enhance the forecasting accuracy of Alzheimer's disease.
Method: We utilize the OASIS-3 longitudinal dataset, tracking 1,098 patients over 30 years.
Alzheimers Dement
December 2024
Boston University School of Public Health, Boston, MA, USA.
Background: The Alzheimer's Disease Sequencing Project (ADSP) aims to identify genetic variation contributing to the development or protection of Alzheimer's disease (AD) in diverse ancestral populations. The latest ADSP whole genome sequencing (WGS) data release includes over 36,000 individuals from 37 datasets (NIAGADS NG00067.v11 ADSP R4).
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Université de Montpellier, Montpellier, France.
Background: Protein metabolism and turnover can be monitored using tracer methods, notably stable isotope labeling kinetics (SILK) based on 13C-leucine incorporation. This approach has been used in Alzheimer's disease, specifically analyzing the turnover in cerebrospinal fluid of biomarkers of interest, including amyloid peptides, leading to major pathophysiological insights (Nature medicine 12:856-861). This was achieved using immunoprecipitation mass spectrometry, which enables to track a small number of targets present in low concentration.
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