402 results found
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Meiosis I chromosome segregation is established through regulation of microtubule–kinetochore interactions

    Matthew P Miller et al.
    Preventing premature interactions between microtubules and protein-based structures called kinetochores ensures that chromosomes are segregated by meiosis rather than mitosis in reproductive cells.
    1. Stem Cells and Regenerative Medicine
    2. Immunology and Inflammation

    MicroRNA-146a acts as a guardian of the quality and longevity of hematopoietic stem cells in mice

    Jimmy L Zhao et al.
    Chronic and excessive inflammation can lead to exhaustion of the supply of hematopoietic stem cells and to myeloid malignancies in mice, mimicking important aspects of the myelodysplastic syndrome found in humans.
    1. Developmental Biology
    2. Genetics and Genomics

    The genome sequence of the colonial chordate, Botryllus schlosseri

    Ayelet Voskoboynik et al.
    The Botryllus schlosseri genome yields insights into the evolution of hematopoiesis.
    1. Chromosomes and Gene Expression
    2. Cancer Biology

    MYBL2 is a sub-haploinsufficient tumor suppressor gene in myeloid malignancy

    Stefan Heinrichs et al.
    Reduced expression of MYBL2 contributes to malignancies of the blood by permitting uncontrolled expansion of blood cell progenitors, implying a tumor suppressor function for this gene.
    1. Chromosomes and Gene Expression

    A component of the mir-17-92 polycistronic oncomir promotes oncogene-dependent apoptosis

    Virginie Olive et al.
    While intact mir-17-92 acts as a potent oncogene in a mouse model of Burkitt’s lymphoma, one of the six mir-17-92 components antagonizes its oncogenic cooperation with c-Myc by promoting c-Myc-induced apoptosis.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Sgol2 provides a regulatory platform that coordinates essential cell cycle processes during meiosis I in oocytes

    Ahmed Rattani et al.
    Shugoshin-like protein 2 (Sgol2) is involved in a variety of cell cycle process during the first stage of meiotic division.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    microRNA-1 regulates sarcomere formation and suppresses smooth muscle gene expression in the mammalian heart

    Amy Heidersbach et al.
    microRNA-1 plays an essential role in the development and functioning of the heart by ensuring that genes for striated, rather than smooth, muscle are expressed there.
    1. Cell Biology

    Inflammation produces catecholamine resistance in obesity via activation of PDE3B by the protein kinases IKKε and TBK1

    Jonathan Mowers et al.
    Reduced energy expenditure in obesity may result from reduced sensitivity to sympathetic activation due to inflammation-generated signals in adipose tissue.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A proteomic chronology of gene expression through the cell cycle in human myeloid leukemia cells

    Tony Ly et al.
    Quantitative analysis of protein and mRNA expression across a minimally perturbed cell cycle in human myeloid cells has identified myeloid-specific and cell cycle-regulated gene expression, including examples of isoform- and phosphorylation-specific regulation, with all data made available in a searchable, online database.
    1. Developmental Biology

    p53 activity is selectively licensed in the Drosophila stem cell compartment

    Annika Wylie et al.
    Ancient features of the p53 regulatory network are coupled to the stem cell compartment in normal and pathologic contexts.

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