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    1. Biochemistry and Chemical Biology
    2. Stem Cells and Regenerative Medicine

    BRAIDing receptors for cell-specific targeting

    Hui Chen, Sung-Jin Lee ... Yang Li
    A novel strategy to activate the WNT pathway in a cell type selective manner by linking designer ligands with target cell specific bridging receptors.
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    1. Developmental Biology
    2. Neuroscience

    Delivery of circulating lipoproteins to specific neurons in the Drosophila brain regulates systemic insulin signaling

    Marko Brankatschk, Sebastian Dunst ... Suzanne Eaton
    Yeast specific lipids promote the transport of lipid transfer protein (LTP) across the blood brain barrier to the neurons that regulate systemic insulin signaling.
    1. Developmental Biology
    2. Structural Biology and Molecular Biophysics

    The co-receptor Tetraspanin12 directly captures Norrin to promote ligand-specific β-catenin signaling

    Elise S Bruguera, Jacob P Mahoney, William I Weis
    Biophysical binding and structural prediction studies reveal that Tetraspanin12 directly binds the ligand Norrin, in a manner that is negatively cooperative with Norrin-Fzd4 binding and competitive with Norrin-LRP5/6 binding.
    1. Biochemistry and Chemical Biology

    LARP4 mRNA codon-tRNA match contributes to LARP4 activity for ribosomal protein mRNA poly(A) tail length protection

    Sandy Mattijssen, Aneeshkumar G Arimbasseri ... Richard J Maraia
    The messenger RNA encoding La-related protein-4 (LARP4) contains a short region of instability whose codon clusters are sensitive to low abundance tRNAs that when elevated increase LARP4 activity for poly(A) lengthening of ribosomal protein mRNAs and other mRNAs.
    1. Neuroscience

    LRP1 regulates peroxisome biogenesis and cholesterol homeostasis in oligodendrocytes and is required for proper CNS myelin development and repair

    Jing-Ping Lin, Yevgeniya A Mironova ... Roman J Giger
    In oligodendrocyte progenitor cells, lipid metabolism and peroxisome biogenesis are regulated by the low-density lipoprotein related-receptor-1, and if disrupted, impair proper white matter development and adult repair.
    1. Structural Biology and Molecular Biophysics

    Structure of human Frizzled5 by fiducial-assisted cryo-EM supports a heterodimeric mechanism of canonical Wnt signaling

    Naotaka Tsutsumi, Somnath Mukherjee ... K Christopher Garcia
    Cryo-EM structure of monomeric human Frizzled5 was determined with a universal fiducial antibody at 3.7 Å overall resolution, which supports a simple Fzd/LRP6 heterodimerization mechanism of canonical Wnt/β-catenin signaling.
    1. Genetics and Genomics
    2. Medicine

    Patient-specific genomics and cross-species functional analysis implicate LRP2 in hypoplastic left heart syndrome

    Jeanne L Theis, Georg Vogler ... Rolf Bodmer
    Hypoplastic left heart syndrome is reflected by reduced proliferative capacity of patient iPSC-derived cardiomyocytes and requires the activity of LRP2/APOB proteins, likely in conjunction with SHH and WNT signaling pathways.
    1. Biochemistry and Chemical Biology

    Single molecule poly(A) tail-seq shows LARP4 opposes deadenylation throughout mRNA lifespan with most impact on short tails

    Sandy Mattijssen, James R Iben ... Richard J Maraia
    LARP4 protects mRNAs against deadenylation over a wide range of poly(A) lengths but with most apparent functional impact on short lengths known to sensitize PABP binding and mRNA stability.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Wnt- and glutamate-receptors orchestrate stem cell dynamics and asymmetric cell division

    Sergi Junyent, Joshua C Reeves ... Shukry J Habib
    Receptors for two distinct pathways are linked to choreograph the dynamic interaction of Wnt on the stem cell membrane, which leads to the control of asymmetric cell division.
    1. Genetics and Genomics

    Spliceosome factors target timeless (tim) mRNA to control clock protein accumulation and circadian behavior in Drosophila

    Iryna Shakhmantsir, Soumyashant Nayak ... Amita Sehgal
    Alternative splicing provides a mechanism to maintain oscillations of the circadian clock.