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    1. Cancer Biology
    2. Cell Biology

    Activation of hedgehog signaling in mesenchymal stem cells induces cartilage and bone tumor formation via Wnt/β-Catenin

    Qi Deng, Ping Li ... Baojie Li
    Cartilage and bone tumors arise from chondrocyte or osteoblast progenitors but not differentiated cells or multipotent mesenchymal stem cells (MSCs) via the IHH-Wnt/β-Catenin pathway.
    1. Neuroscience

    NSC-derived exosomes enhance therapeutic effects of NSC transplantation on cerebral ischemia in mice

    Ruolin Zhang, Weibing Mao ... Zhiqiang Dong
    The combination of NSCs with NSC-derived exosomes ameliorated the injury of brain tissue including cerebral infarction, neuronal death, and glial scarring, and promoted the recovery of motor function.
    1. Medicine
    2. Microbiology and Infectious Disease

    Gut microbiota-derived gamma-aminobutyric acid from metformin treatment reduces hepatic ischemia/reperfusion injury through inhibiting ferroptosis

    Fangyan Wang, Xiujie Liu ... Wantie Wang
    Gut microbiota-derived gamma-aminobutyric acid is identified as a key metabolite that metformin protect from hepatic ischemia/reperfusion injury.
    1. Medicine

    Aorta smooth muscle-on-a-chip reveals impaired mitochondrial dynamics as a therapeutic target for aortic aneurysm in bicuspid aortic valve disease

    Mieradilijiang Abudupataer, Shichao Zhu ... Weijia Zhang
    An aorta smooth muscle-on-a-chip model indicated that NOTCH1 insufficiency in HAoSMCs induced phenotypic switching from a contractile to a synthetic phenotype accompanied by an impairment of mitochondrial fusion, implying its potential role as a therapeutic target for BAV-TAA.
    1. Neuroscience

    Efficient and accurate extraction of in vivo calcium signals from microendoscopic video data

    Pengcheng Zhou, Shanna L Resendez ... Liam Paninski
    A new open-source computational toolbox for processing in vivo microendoscopic calcium imaging data performs signal demixing and denoising much more accurately than previously available methods, significantly improving the utility of this imaging modality.
    1. Computational and Systems Biology

    AI-driven automated discovery tools reveal diverse behavioral competencies of biological networks

    Mayalen Etcheverry, Clément Moulin-Frier ... Michael Levin
    A novel methodology, using diversity search AI algorithms, for exploring the space of possible behaviors of gene regulatory networks, from the perspective of generic problem-solving agents navigating their environment.
    1. Developmental Biology

    Conditional blastocyst complementation of a defective Foxa2 lineage efficiently promotes the generation of the whole lung

    Akihiro Miura, Hemanta Sarmah ... Munemasa Mori
    The Foxa2 lineage-based organ generative strategy allows us to establish a unique paradigm for the simultaneous generation of functional whole lungs and thymus, which can be applied to future transplantation therapy.
    1. Physics of Living Systems

    Glycan processing in the Golgi as optimal information coding that constrains cisternal number and enzyme specificity

    Alkesh Yadav, Quentin Vagne ... Madan Rao
    A mathematical model of glycosylation in the Golgi apparatus to investigate how the fidelity of synthesising a complex glycan distribution at the plasma membrane depends on parameters such as the number of Golgi cisternae or enzyme specificity.
    1. Cell Biology
    2. Developmental Biology

    Tgfβ signaling is critical for maintenance of the tendon cell fate

    Guak-Kim Tan, Brian A Pryce ... Ronen Schweitzer
    Conditional deletion of TGFβ signaling results in tenocyte dedifferentiation in vivo demonstrating a key role for TGFβ signaling in the maintenance of the tendon cell fate.
    1. Developmental Biology
    2. Evolutionary Biology
    Silhoutte of a coqui frog in black on a purple background.

    The Natural History of Model Organisms: The big potential of the small frog Eleutherodactylus coqui

    Sarah E Westrick, Mara Laslo, Eva K Fischer
    The coquí frog is of interest to researchers in fields as diverse as development biology, social behavior and the biology of invasive species.