221 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The carboxyl-terminal sequence of PUMA binds to both anti-apoptotic proteins and membranes

    James M Pemberton, Dang Nguyen ... David W Andrews
    A second anti-apoptotic protein binding site in PUMA confers resistance to BH3 mimetic drugs and binds the protein to membranes.
    1. Cell Biology

    Disordered clusters of Bak dimers rupture mitochondria during apoptosis

    Rachel T Uren, Martin O’Hely ... Ruth M Kluck
    Dimers of Bak assemble into clusters without using a distinct protein-protein interface, which may explain the apparent difficulties in obtaining high resolution structures of the pore complex and in targeting dimer-dimer interactions to regulate apoptosis.
    1. Neuroscience

    Quantitative and functional interrogation of parent-of-origin allelic expression biases in the brain

    Julio D Perez, Nimrod D Rubinstein ... Catherine Dulac
    A subset of genes in the mouse brain show dynamically regulated and unequal expression of maternally and paternally derived variants, with implications for brain development and function.
    1. Cancer Biology
    2. Cell Biology

    Bim escapes displacement by BH3-mimetic anti-cancer drugs by double-bolt locking both Bcl-XL and Bcl-2

    Qian Liu, Elizabeth J Osterlund ... David William Andrews
    The pro-apoptotic BH3-protein Bim contains two distinct binding sites for anti-apoptotic proteins that together confer resistance of Bim/Bcl-2 and Bim/Bcl-XL complexes to BH3-mimetic drugs under development for use in humans.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Epistatic mutations in PUMA BH3 drive an alternate binding mode to potently and selectively inhibit anti-apoptotic Bfl-1

    Justin M Jenson, Jeremy A Ryan ... Amy E Keating
    Short peptides that bind tightly to anti-apoptotic protein Bfl-1 but not other Bcl-2 family members provide a tool for diagnosing cancer cell survival mechanisms and a lead for developing new therapeutics.
    1. Cell Biology
    2. Neuroscience

    MAPK signaling promotes axonal degeneration by speeding the turnover of the axonal maintenance factor NMNAT2

    Lauren J Walker, Daniel W Summers ... Aaron DiAntonio
    Genetic and biochemical analysis reveals that MAPK signaling promotes axon degeneration by modulating the turnover of axon-protective proteins.
    1. Cancer Biology
    2. Computational and Systems Biology

    Computationally designed high specificity inhibitors delineate the roles of BCL2 family proteins in cancer

    Stephanie Berger, Erik Procko ... David Baker
    Six computationally designed and in vitro optimized protein inhibitors serve as molecular probes to reveal BCL2 profiles of different human cancers.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    The carboxyl-terminal sequence of bim enables bax activation and killing of unprimed cells

    Xiaoke Chi, Dang Nguyen ... David W Andrews
    The C-terminal membrane binding domain of Bim is shown to interact with and activate Bim enabling it to kill cells not dependent on anti-apoptotic proteins for survival.
    1. Stem Cells and Regenerative Medicine

    Yap1 safeguards mouse embryonic stem cells from excessive apoptosis during differentiation

    Lucy LeBlanc, Bum-Kyu Lee ... Jonghwan Kim
    During ES cell differentiation, Yap1 directly regulates apoptosis-related genes like Bcl-2 and Mcl-1 to attenuate apoptosis and promote cell survival to allow for successful cell fate changes.
    1. Cancer Biology
    2. Cell Biology

    SOD1 is a synthetic-lethal target in PPM1D-mutant leukemia cells

    Linda Zhang, Joanne I Hsu ... Margaret A Goodell
    PPM1D-mutant leukemia cells exhibit a dysregulated redox landscape, a diminished response to oxidative stress, and rely on SOD1 for their survival.

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