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  1. Article ; Online: Survey of extracellular communication of systemic and organ-specific inflammatory responses through cell free messenger RNA profiling in mice.

    Zhuang, Jiali / Ibarra, Arkaitz / Acosta, Alexander / Karns, Amy P / Aballi, Jonathan / Nerenberg, Michael / Sninsky, John J / Quake, Stephen R / Toden, Shusuke

    EBioMedicine

    2022  Volume 83, Page(s) 104242

    Abstract: Background: Inflammatory and immune responses are essential and dynamic biological processes that protect the body against acute and chronic adverse stimuli. While conventional protein markers have been used to evaluate systemic inflammatory response, ... ...

    Abstract Background: Inflammatory and immune responses are essential and dynamic biological processes that protect the body against acute and chronic adverse stimuli. While conventional protein markers have been used to evaluate systemic inflammatory response, the immunological response to stimulation is complex and involves modulation of a large set of genes and interacting signalling pathways of innate and adaptive immune systems. There is a need for a non-invasive tool that can comprehensively evaluate and monitor molecular dysregulations associated with inflammatory and immune responses in circulation and in inaccessible solid organs.
    Methods: Here we utilized cell-free messenger RNA (cf-mRNA) RNA-Seq whole transcriptome profiling and computational biology to temporally assess lipopolysaccharide (LPS) induced and JAK inhibitor modulated inflammatory and immune responses in mouse plasma samples.
    Findings: Cf-mRNA profiling displayed a pattern of systemic immune responses elicited by LPS and dysregulation of associated pathways. Moreover, attenuation of several inflammatory pathways, including STAT and interferon pathways, were observed following the treatment of JAK inhibitor. We further identified the dysregulation of liver-specific transcripts in cf-mRNA which reflected changes in the gene-expression pattern in this generally inaccessible biological compartment.
    Interpretation: Using a preclinical mouse model, we demonstrated the potential of plasma cf-mRNA profiling for systemic and organ-specific characterization of drug-induced molecular alterations that are associated with inflammatory and immune responses.
    Funding: Molecular Stethoscope.
    MeSH term(s) Animals ; Cell Communication ; Cell-Free Nucleic Acids ; Gene Expression Profiling ; Interferons ; Janus Kinase Inhibitors ; Lipopolysaccharides/adverse effects ; Mice ; RNA, Messenger/genetics
    Chemical Substances Cell-Free Nucleic Acids ; Janus Kinase Inhibitors ; Lipopolysaccharides ; RNA, Messenger ; Interferons (9008-11-1)
    Language English
    Publishing date 2022-08-30
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2851331-9
    ISSN 2352-3964
    ISSN (online) 2352-3964
    DOI 10.1016/j.ebiom.2022.104242
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Noninvasive characterization of Alzheimer's disease by circulating, cell-free messenger RNA next-generation sequencing.

    Toden, Shusuke / Zhuang, Jiali / Acosta, Alexander D / Karns, Amy P / Salathia, Neeraj S / Brewer, James B / Wilcock, Donna M / Aballi, Jonathan / Nerenberg, Mike / Quake, Stephen R / Ibarra, Arkaitz

    Science advances

    2020  Volume 6, Issue 50

    Abstract: The lack of accessible noninvasive tools to examine the molecular alterations occurring in the brain limits our understanding of the causes and progression of Alzheimer's disease (AD), as well as the identification of effective therapeutic strategies. ... ...

    Abstract The lack of accessible noninvasive tools to examine the molecular alterations occurring in the brain limits our understanding of the causes and progression of Alzheimer's disease (AD), as well as the identification of effective therapeutic strategies. Here, we conducted a comprehensive profiling of circulating, cell-free messenger RNA (cf-mRNA) in plasma of 126 patients with AD and 116 healthy controls of similar age. We identified 2591 dysregulated genes in the cf-mRNA of patients with AD, which are enriched in biological processes well known to be associated with AD. Dysregulated genes included brain-specific genes and resembled those identified to be dysregulated in postmortem AD brain tissue. Furthermore, we identified disease-relevant circulating gene transcripts that correlated with the severity of cognitive impairment. These data highlight the potential of high-throughput cf-mRNA sequencing to evaluate AD-related pathophysiological alterations in the brain, leading to precision healthcare solutions that could improve AD patient management.
    MeSH term(s) Alzheimer Disease/genetics ; Brain ; Cell-Free Nucleic Acids ; Gene Expression Profiling ; High-Throughput Nucleotide Sequencing ; Humans ; RNA, Messenger/genetics
    Chemical Substances Cell-Free Nucleic Acids ; RNA, Messenger
    Language English
    Publishing date 2020-12-09
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2810933-8
    ISSN 2375-2548 ; 2375-2548
    ISSN (online) 2375-2548
    ISSN 2375-2548
    DOI 10.1126/sciadv.abb1654
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Non-invasive characterization of human bone marrow stimulation and reconstitution by cell-free messenger RNA sequencing.

    Ibarra, Arkaitz / Zhuang, Jiali / Zhao, Yue / Salathia, Neeraj S / Huang, Vera / Acosta, Alexander D / Aballi, Jonathan / Toden, Shusuke / Karns, Amy P / Purnajo, Intan / Parks, Julianna R / Guo, Lucy / Mason, James / Sigal, Darren / Nova, Tina S / Quake, Stephen R / Nerenberg, Michael

    Nature communications

    2020  Volume 11, Issue 1, Page(s) 400

    Abstract: Circulating cell-free mRNA (cf-mRNA) holds great promise as a non-invasive diagnostic biomarker. However, cf-mRNA composition and its potential clinical applications remain largely unexplored. Here we show, using Next Generation Sequencing-based ... ...

    Abstract Circulating cell-free mRNA (cf-mRNA) holds great promise as a non-invasive diagnostic biomarker. However, cf-mRNA composition and its potential clinical applications remain largely unexplored. Here we show, using Next Generation Sequencing-based profiling, that cf-mRNA is enriched in transcripts derived from the bone marrow compared to circulating cells. Further, longitudinal studies involving bone marrow ablation followed by hematopoietic stem cell transplantation in multiple myeloma and acute myeloid leukemia patients indicate that cf-mRNA levels reflect the transcriptional activity of bone marrow-resident hematopoietic lineages during bone marrow reconstitution. Mechanistically, stimulation of specific bone marrow cell populations in vivo using growth factor pharmacotherapy show that cf-mRNA reflects dynamic functional changes over time associated with cellular activity. Our results shed light on the biology of the circulating transcriptome and highlight the potential utility of cf-mRNA to non-invasively monitor bone marrow involved pathologies.
    MeSH term(s) Adult ; Aged ; Aged, 80 and over ; Biomarkers, Tumor/blood ; Biomarkers, Tumor/genetics ; Biomarkers, Tumor/isolation & purification ; Bone Marrow/drug effects ; Bone Marrow/pathology ; Cell-Free Nucleic Acids/blood ; Cell-Free Nucleic Acids/genetics ; Cell-Free Nucleic Acids/isolation & purification ; Feasibility Studies ; Gene Expression Profiling/methods ; Granulocyte Colony-Stimulating Factor/administration & dosage ; Hematopoietic Stem Cell Transplantation/methods ; Hematopoietic Stem Cells/drug effects ; High-Throughput Nucleotide Sequencing/methods ; Humans ; Leukemia, Myeloid, Acute/blood ; Leukemia, Myeloid, Acute/diagnosis ; Leukemia, Myeloid, Acute/pathology ; Leukemia, Myeloid, Acute/therapy ; Longitudinal Studies ; Middle Aged ; Multiple Myeloma/blood ; Multiple Myeloma/diagnosis ; Multiple Myeloma/pathology ; Multiple Myeloma/therapy ; RNA, Messenger/blood ; RNA, Messenger/genetics ; RNA, Messenger/isolation & purification ; Sequence Analysis, RNA/methods ; Treatment Outcome ; Young Adult
    Chemical Substances Biomarkers, Tumor ; Cell-Free Nucleic Acids ; RNA, Messenger ; Granulocyte Colony-Stimulating Factor (143011-72-7)
    Language English
    Publishing date 2020-01-21
    Publishing country England
    Document type Journal Article
    ZDB-ID 2553671-0
    ISSN 2041-1723 ; 2041-1723
    ISSN (online) 2041-1723
    ISSN 2041-1723
    DOI 10.1038/s41467-019-14253-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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