13 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Atomic structures of fibrillar segments of hIAPP suggest tightly mated β-sheets are important for cytotoxicity

    Pascal Krotee et al.
    Atomic structures of hIAPP fibrillar segments, determined using the cryo electron microscopy method MicroED, reveal that strong, stable intermolecular interactions are important features of cytotoxic amyloid proteins.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Time-resolved studies define the nature of toxic IAPP intermediates, providing insight for anti-amyloidosis therapeutics

    Andisheh Abedini et al.
    Toxic IAPP intermediates have some molecular features that are similar to, and others that are distinct from, toxic species reported for other amyloidogenic polypeptides.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Stabilization and structural analysis of a membrane-associated hIAPP aggregation intermediate

    Diana C Rodriguez Camargo et al.
    The ability of lipid nanodiscs to trap different types of amyloid intermediates, as successfully demonstrated in this study for human-IAPP, could become one of the most powerful approaches to dissect the complicated misfolding pathways of protein aggregation.
    1. Cell Biology

    Distinct insulin granule subpopulations implicated in the secretory pathology of diabetes types 1 and 2

    Alex J B Kreutzberger et al.
    Insulin secreting cells harbor distinct subpopulations of insulin granules and loss of one or the other correlates strongly with secretory deficiencies characterizing type-1 or type-2 diabetes.
    1. Microbiology and Infectious Disease
    2. Neuroscience

    A gut bacterial amyloid promotes α-synuclein aggregation and motor impairment in mice

    Timothy R Sampson et al.
    Production of an amyloid protein by bacteria within the gut microbiome can influence the pathophysiology of a mouse model of synucleinopathy.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A molecular tweezer antagonizes seminal amyloids and HIV infection

    Edina Lump et al.
    CLR01 is a small molecule that could be an effective topical microbicide to eliminate HIV (and other enveloped viruses), and to antagonize host-encoded amyloid fibrils that promote HIV infection.
    1. Structural Biology and Molecular Biophysics

    Designed α-sheet peptides inhibit amyloid formation by targeting toxic oligomers

    Gene Hopping et al.
    Novel designed alpha-sheet peptides inhibit amyloidosis in two different systems and preferentially bind the toxic oligomer.
    1. Developmental Biology

    Expansion and conversion of human pancreatic ductal cells into insulin-secreting endocrine cells

    Jonghyeob Lee et al.
    Cells from the human pancreatic duct can be grown in culture and triggered to become insulin-producing cells, which could potentially be transplanted into patients with diabetes.
    1. Developmental Biology
    2. Genetics and Genomics

    An atlas of cell types in the mouse epididymis and vas deferens

    Vera D Rinaldi et al.
    A systematic survey of the epididymis identifies the cell types involved in post-testicular maturation of sperm.
    1. Physics of Living Systems

    Spatial control of irreversible protein aggregation

    Christoph Weber et al.
    A theoretical basis for the spatial regulation of protein aggregation shows how aggregates can partition preferentially into intracellular liquid compartments.

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