229 results found
    1. Cell Biology

    Novel origin of lamin-derived cytoplasmic intermediate filaments in tardigrades

    Lars Hering, Jamal-Eddine Bouameur ... Georg Mayer
    A newly discovered cytoplasmic intermediate filament in water bears may help these animals to resist extreme environmental conditions.
    1. Chromosomes and Gene Expression

    Progerin reduces LAP2α-telomere association in Hutchinson-Gilford progeria

    Alexandre Chojnowski, Peh Fern Ong ... Oliver Dreesen
    Expression of the lamina-associated polypeptide α (LAP2α) prevents premature cellular ageing caused by expression of progerin in Hutchinson-Gilford progeria syndrome.
    1. Cell Biology

    LAP2alpha maintains a mobile and low assembly state of A-type lamins in the nuclear interior

    Nana Naetar, Konstantina Georgiou ... Roland Foisner
    The lamin A/C binding protein LAP2α inhibits formation of higher order lamin structures in the nuclear interior in a lamin A/C-phosphorylation-independent manner, thereby regulating chromatin mobility.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The Lamin B receptor is essential for cholesterol synthesis and perturbed by disease-causing mutations

    Pei-Ling Tsai, Chenguang Zhao ... Christian Schlieker
    Lamin B receptor may provide a long-sought model system enabling unprecedented studies of protein quality control in the nuclear envelope of mammalian cells.
    1. Chromosomes and Gene Expression
    2. Developmental Biology

    Transcriptional profiling of Hutchinson-Gilford Progeria syndrome fibroblasts reveals deficits in mesenchymal stem cell commitment to differentiation related to early events in endochondral ossification

    Rebeca San Martin, Priyojit Das ... Rachel Patton McCord
    Age-stratified comparisons of gene expression in progeria patient fibroblasts reveals disruption of mesenchymal lineage pathways and points to a deficit in chondrogenic commitment in early development and a depletion of the mesenchymal lineage stem cell pool.
    1. Cell Biology

    PLK-1 promotes the merger of the parental genome into a single nucleus by triggering lamina disassembly

    Griselda Velez-Aguilera, Sylvia Nkombo Nkoula ... Lionel Pintard
    The polo-like kinase (Plk1) phophorylates the C. elegans lamin LMN-1 to promote timely lamina disassembly, which is essential for the merging of the parental chromosomes at the beginning of life.
    1. Cell Biology

    The transcription factor Hey and nuclear lamins specify and maintain cell identity

    Naama Flint Brodsly, Eliya Bitman-Lotan ... Amir Orian
    Hey together with LaminC continuously supervise nuclear organisation and differentiated enterocyte identity, a regulation that is lost upon ageing, resulting in loss of gut homeostasis.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Novel insights from a multiomics dissection of the Hayflick limit

    Michelle Chan, Han Yuan ... David G Hendrickson
    A comprehensive molecular description of the cellular transition into replicative senescence provides evidence of metabolic, epigenetic, and regulatory rewiring that links senescence with wound healing and fibrosis.
    1. Chromosomes and Gene Expression

    Identification of epigenetic modulators as determinants of nuclear size and shape

    Andria C Schibler, Predrag Jevtic ... Tom Misteli
    Chromatin modifiers shape nuclear morphology.
    1. Cell Biology
    2. Developmental Biology

    Differentiation alters stem cell nuclear architecture, mechanics, and mechano-sensitivity

    Su-Jin Heo, Tristan P Driscoll ... Robert L Mauck
    Nuclear reorganization and stiffening accompanies mesenchymal stem cell differentiation, resulting in increased sensitivity to mechanical perturbation.

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