Search Results - "James Fitzpatrick"
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Time-Restricted Feeding without Reducing Caloric Intake Prevents Metabolic Diseases in Mice Fed a High-Fat Diet
Published in Cell metabolism (06-06-2012)“…While diet-induced obesity has been exclusively attributed to increased caloric intake from fat, animals fed a high-fat diet (HFD) ad libitum (ad lib) eat…”
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Cryo-EM structures of the ATP release channel pannexin 1
Published in Nature structural & molecular biology (01-04-2020)“…The plasma membrane adenosine triphosphate (ATP) release channel pannexin 1 (PANX1) has been implicated in many physiological and pathophysiological processes…”
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Neural mechanisms for evaluating environmental variability in Caenorhabditis elegans
Published in Neuron (Cambridge, Mass.) (22-04-2015)“…The ability to evaluate variability in the environment is vital for making optimal behavioral decisions. Here we show that Caenorhabditis elegans evaluates…”
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Liver‐Specific Deletion of Mouse Tm6sf2 Promotes Steatosis, Fibrosis, and Hepatocellular Cancer
Published in Hepatology (Baltimore, Md.) (01-09-2021)“…Background and Aims Human transmembrane 6 superfamily 2 (TM6SF2) variant rs58542926 is associated with NAFLD and HCC. However, conflicting reports in germline…”
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Heterogeneity of meningeal B cells reveals a lymphopoietic niche at the CNS borders
Published in Science (American Association for the Advancement of Science) (23-07-2021)“…The meninges contain adaptive immune cells that provide immunosurveillance of the central nervous system (CNS). These cells are thought to derive from the…”
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Gating of human TRPV3 in a lipid bilayer
Published in Nature structural & molecular biology (01-07-2020)“…The transient receptor potential cation channel subfamily V member 3 (TRPV3) channel plays a critical role in skin physiology, and mutations in TRPV3 result in…”
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Vesicular Glutamatergic Transmission in Noise-Induced Loss and Repair of Cochlear Ribbon Synapses
Published in The Journal of neuroscience (05-06-2019)“…Noise-induced excitotoxicity is thought to depend on glutamate. However, the excitotoxic mechanisms are unknown, and the necessity of glutamate for synapse…”
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Structural mechanism for gating of a eukaryotic mechanosensitive channel of small conductance
Published in Nature communications (23-07-2020)“…Mechanosensitive ion channels transduce physical force into electrochemical signaling that underlies an array of fundamental physiological processes, including…”
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Structural basis for mechanotransduction in a potassium-dependent mechanosensitive ion channel
Published in Nature communications (12-11-2022)“…Mechanosensitive channels of small conductance, found in many living organisms, open under elevated membrane tension and thus play crucial roles in biological…”
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Open-channel structure of a pentameric ligand-gated ion channel reveals a mechanism of leaflet-specific phospholipid modulation
Published in Nature communications (17-11-2022)“…Pentameric ligand-gated ion channels (pLGICs) mediate synaptic transmission and are sensitive to their lipid environment. The mechanism of phospholipid…”
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Cryo-EM structure of a neuronal functional amyloid implicated in memory persistence in Drosophila
Published in Science (American Association for the Advancement of Science) (13-03-2020)“…How long-lived memories withstand molecular turnover is a fundamental question. Aggregates of a prion-like RNA-binding protein, cytoplasmic polyadenylation…”
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12
Cryo-EM structure of the prothrombin-prothrombinase complex
Published in Blood (16-06-2022)“…The intrinsic and extrinsic pathways of the coagulation cascade converge to a common step where the prothrombinase complex, comprising the enzyme factor Xa…”
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Cryo-EM structures of human coagulation factors V and Va
Published in Blood (03-06-2021)“…Coagulation factor V (fV) is the precursor of fVa, which, together with fXa, Ca2+, and phospholipids, defines the prothrombinase complex and activates…”
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14
A telomere-dependent DNA damage checkpoint induced by prolonged mitotic arrest
Published in Nature structural & molecular biology (01-04-2012)“…Mammalian telomeres are protected by shelterin components to avoid being recognized as DNA damage. Now cells under prolonged mitotic arrest are found to…”
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Characterization of the bone marrow adipocyte niche with three-dimensional electron microscopy
Published in Bone (New York, N.Y.) (01-01-2019)“…Unlike white and brown adipose tissues, the bone marrow adipocyte (BMA) exists in a microenvironment containing unique populations of hematopoietic and…”
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Structural and functional analysis of human pannexin 2 channel
Published in Nature communications (27-03-2023)“…The pannexin 2 channel (PANX2) participates in multiple physiological processes including skin homeostasis, neuronal development, and ischemia-induced brain…”
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Donor Macrophages Modulate Rejection After Heart Transplantation
Published in Circulation (New York, N.Y.) (23-08-2022)“…Cellular rejection after heart transplantation imparts significant morbidity and mortality. Current immunosuppressive strategies are imperfect, target…”
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Catheterization alters bladder ecology to potentiate Staphylococcus aureus infection of the urinary tract
Published in Proceedings of the National Academy of Sciences - PNAS (10-10-2017)“…Methicillin-resistant Staphylococcus aureus (MRSA) is an emerging cause of catheter-associated urinary tract infection (CAUTI), which frequently progresses to…”
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Resident cardiac macrophages mediate adaptive myocardial remodeling
Published in Immunity (Cambridge, Mass.) (14-09-2021)“…Cardiac macrophages represent a heterogeneous cell population with distinct origins, dynamics, and functions. Recent studies have revealed that C-C Chemokine…”
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Yeast Rad52 is a homodecamer and possesses BRCA2-like bipartite Rad51 binding modes
Published in Nature communications (05-10-2023)“…Homologous recombination (HR) is an essential double-stranded DNA break repair pathway. In HR, Rad52 facilitates the formation of Rad51 nucleoprotein filaments…”
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