91 results found
    1. Cancer Biology
    2. Cell Biology

    p27Kip1 promotes invadopodia turnover and invasion through the regulation of the PAK1/Cortactin pathway

    Pauline Jeannot et al.
    p27Kip1 directly controls invadopodia turnover by promoting the interaction of PAK1 with Cortactin, which induces Cortactin phosphorylation, invadopodia disassembly and facilitates invasion through extracellular matrix.
    1. Developmental Biology

    An autoregulatory cell cycle timer integrates growth and specification in chick wing digit development

    Joseph Pickering et al.
    A cell cycle timing mechanism similar to one operating in cultured adult oligodendrocyte progenitor cells controls the growth and patterning of the embryonic chick wing bud.
    1. Stem Cells and Regenerative Medicine

    The CUL4-DDB1 ubiquitin ligase complex controls adult and embryonic stem cell differentiation and homeostasis

    Jie Gao et al.
    DDB1, a component of the ubiquitin proteasome system, plays a role in both hematopoietic and embryonic stem cell self-renewal and differentiation.
    1. Neuroscience

    Palmitoylation of LIM Kinase-1 ensures spine-specific actin polymerization and morphological plasticity

    Joju George et al.
    The protein-lipid modification palmitoylation targets the kinase LIMK1 to dendritic spines to ensure precise control of the size of individual spines in response to synaptic activation.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The COMA complex interacts with Cse4 and positions Sli15/Ipl1 at the budding yeast inner kinetochore

    Josef Fischböck-Halwachs et al.
    The chromosomal passenger complex interacts with the inner kinetochore COMA complex through the Ctf19 C-terminus in vitro which is shown to be important for mediating accurate chromosome segregation.
    1. Cell Biology
    2. Neuroscience

    The E3 ubiquitin ligase IDOL regulates synaptic ApoER2 levels and is important for plasticity and learning

    Jie Gao et al.
    Control of lipoprotein receptor protein levels at synapses by the E3 ubiquitin ligase IDOL is shown to be important for the plasticity of neuronal dendrites in vitro and learning and memory in mice.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Cellular localization of the cell cycle inhibitor Cdkn1c controls growth arrest of adult skeletal muscle stem cells

    Despoina Mademtzoglou et al.
    Ablation of the Cdkn1c cell cycle inhibitor leads to defective muscle stem cell dynamics and myogenic potential, while progressive cytoplasmic to nuclear cellular localization of the Cdkn1c protein regulates growth arrest.
    1. Cancer Biology

    Loss of p53 suppresses replication-stress-induced DNA breakage in G1/S checkpoint deficient cells

    Bente Benedict et al.
    During tumorigenesis loss of p53 not only abrogates cell cycle arrest and apoptosis, but also suppresses the induction of replication-stress-induced DNA double-stranded breaks.
    1. Developmental Biology
    2. Neuroscience

    Age-dependent dormant resident progenitors are stimulated by injury to regenerate Purkinje neurons

    N Sumru Bayin et al.
    Injury at birth induces immature neurons to divide and regenerate cerebellar Purkinje cells in a time-dependent manner.
    1. Microbiology and Infectious Disease

    TRIM28 promotes HIV-1 latency by SUMOylating CDK9 and inhibiting P-TEFb

    Xiancai Ma et al.
    TRIM28 was found to be a versatile dual-function latency contributor by bridging both suppressive epigenetic modifications and RNAP II transcriptional-pausing, and can be a novel target to develop latency-reversing agents.

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