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  1. Article ; Online: Single-Cell Multiomics.

    Flynn, Emily / Almonte-Loya, Ana / Fragiadakis, Gabriela K

    Annual review of biomedical data science

    2023  Volume 6, Page(s) 313–337

    Abstract: Single-cell RNA sequencing methods have led to improved understanding of the heterogeneity and transcriptomic states present in complex biological systems. Recently, the development of novel single-cell technologies for assaying additional modalities, ... ...

    Abstract Single-cell RNA sequencing methods have led to improved understanding of the heterogeneity and transcriptomic states present in complex biological systems. Recently, the development of novel single-cell technologies for assaying additional modalities, specifically genomic, epigenomic, proteomic, and spatial data, allows for unprecedented insight into cellular biology. While certain technologies collect multiple measurements from the same cells simultaneously, even when modalities are separately assayed in different cells, we can apply novel computational methods to integrate these data. The application of computational integration methods to multimodal paired and unpaired data results in rich information about the identities of the cells present and the interactions between different levels of biology, such as between genetic variation and transcription. In this review, we both discuss the single-cell technologies for measuring these modalities and describe and characterize a variety of computational integration methods for combining the resulting data to leverage multimodal information toward greater biological insight.
    MeSH term(s) Proteomics/methods ; Multiomics ; Genomics/methods ; Transcriptome/genetics ; Gene Expression Profiling
    Language English
    Publishing date 2023-05-09
    Publishing country United States
    Document type Journal Article ; Review ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ISSN 2574-3414
    ISSN (online) 2574-3414
    DOI 10.1146/annurev-biodatasci-020422-050645
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Epigenetic remodeling by vitamin C potentiates plasma cell differentiation.

    Chen, Heng-Yi / Almonte-Loya, Ana / Lay, Fang-Yun / Hsu, Michael / Johnson, Eric / González-Avalos, Edahí / Yin, Jieyun / Bruno, Richard S / Ma, Qin / Ghoneim, Hazem E / Wozniak, Daniel J / Harrison, Fiona E / Lio, Chan-Wang Jerry

    eLife

    2022  Volume 11

    Abstract: Ascorbate (vitamin C) is an essential micronutrient in humans. The severe chronic deficiency of ascorbate, termed scurvy, has long been associated with increased susceptibility to infections. How ascorbate affects the immune system at the cellular and ... ...

    Abstract Ascorbate (vitamin C) is an essential micronutrient in humans. The severe chronic deficiency of ascorbate, termed scurvy, has long been associated with increased susceptibility to infections. How ascorbate affects the immune system at the cellular and molecular levels remained unclear. From a micronutrient analysis, we identified ascorbate as a potent enhancer for antibody response by facilitating the IL-21/STAT3-dependent plasma cell differentiation in mouse and human B cells. The effect of ascorbate is unique as other antioxidants failed to promote plasma cell differentiation. Ascorbate is especially critical during early B cell activation by poising the cells to plasma cell lineage without affecting the proximal IL-21/STAT3 signaling and the overall transcriptome. As a cofactor for epigenetic enzymes, ascorbate facilitates TET2/3-mediated DNA modification and demethylation of multiple elements at the
    MeSH term(s) Animals ; Ascorbic Acid/pharmacology ; Cell Differentiation ; Epigenesis, Genetic ; Epigenomics ; Humans ; Mice ; Vitamins
    Chemical Substances Vitamins ; Ascorbic Acid (PQ6CK8PD0R)
    Language English
    Publishing date 2022-09-07
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2687154-3
    ISSN 2050-084X ; 2050-084X
    ISSN (online) 2050-084X
    ISSN 2050-084X
    DOI 10.7554/eLife.73754
    Database MEDical Literature Analysis and Retrieval System OnLINE

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