Friederike Grandke, Tobias Fehlmann, Fabian Kern, David M. Gate, Tobias William Wolff, Olivia Leventhal, Divya Channappa, Pascal Hirsch, Edward N. Wilson, Eckart Meese, Chuanyu Liu, Quan Shi, Matthias Flotho, Yongping Li, Cynthia Chen, Yeya Yu, Jiangshan Xu, Michael Junkin, Zhifeng Wang, Tao Wu, Longqi Liu, Yong Hou, Katrin I. Andreasson, Jenny S. Gansen, Elvira Mass, Kathleen Poston, Tony Wyss-Coray, Andreas Keller
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A single-cell atlas to map sex-specific gene-expression changes in blood upon neurodegeneration
The clinical course and treatment of neurodegenerative disease are complicated by immune-system interference and chronic inflammatory processes, which remain incompletely understood. Mapping immune signatures in larger human cohorts through single-cell gene expression profiling supports our understanding of observed peripheral changes in neurodegeneration. Here, we employ single-cell gene expression profiling of over 909k peripheral blood mononuclear cells (PBMCs) from 121 healthy individuals, 48 patients with mild cognitive impairment (MCI), 46 with Parkinson’s disease (PD), 27 with Alzheimer’s disease (AD), and 15 with both PD and MCI. The dataset is interactively accessible through a freely available website (https://www.ccb.uni-saarland.de/adrcsc). In this work, we identify disease-associated changes in blood cell type composition and the gene expression in a sex-specific manner, offering insights into peripheral and solid tissue signatures in AD and PD.
期刊介绍：
Nature Communications, an open-access journal, publishes high-quality research spanning all areas of the natural sciences. Papers featured in the journal showcase significant advances relevant to specialists in each respective field. With a 2-year impact factor of 16.6 (2022) and a median time of 8 days from submission to the first editorial decision, Nature Communications is committed to rapid dissemination of research findings. As a multidisciplinary journal, it welcomes contributions from biological, health, physical, chemical, Earth, social, mathematical, applied, and engineering sciences, aiming to highlight important breakthroughs within each domain.
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