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Showing 31-44 of 44 results for "371173" within Papers
Yusuke Yamamoto et al.
The Journal of toxicological sciences, 44(9), 585-600 (2019-09-03)
Amino acid derivative reactivity assay (ADRA) has previously been developed as an alternative method to direct peptide reactivity assay (DPRA) to evaluate key event 1 in skin sensitization mechanisms. However, when using alternative methods for skin sensitization, integrated approaches to
Shuxian Dong et al.
Nature, 591(7848), 117-123 (2021-01-15)
The activation of mostly quiescent haematopoietic stem cells (HSCs) is a prerequisite for life-long production of blood cells1. This process requires major molecular adaptations to allow HSCs to meet the regulatory and metabolic requirements for cell division2-4. The mechanisms that
Samuel E Weinberg et al.
Nature, 565(7740), 495-499 (2019-01-11)
Regulatory T cells (Treg cells), a distinct subset of CD4+ T cells, are necessary for the maintenance of immune self-tolerance and homeostasis1,2. Recent studies have demonstrated that Treg cells exhibit a unique metabolic profile, characterized by an increase in mitochondrial
Prashanta Kumar Panda et al.
Biochimica et biophysica acta, 1865(3), 480-495 (2017-12-13)
PUMA, a BH3-only pro-apoptotic Bcl2 family protein, is known to translocate from the cytosol into the mitochondria in order to induce apoptosis. Interestingly, the induction of PUMA by p53 plays a critical role in DNA damage-induced apoptosis. In this study
Elisabetta Babetto et al.
Nature neuroscience, 23(10), 1215-1228 (2020-08-19)
Axon degeneration is a hallmark of many neurodegenerative disorders. The current assumption is that the decision of injured axons to degenerate is cell-autonomously regulated. Here we show that Schwann cells (SCs), the glia of the peripheral nervous system, protect injured
Jonathan V Rocheleau et al.
The Journal of biological chemistry, 279(30), 31780-31787 (2004-05-19)
Glucose-stimulated insulin secretion is a multistep process dependent on beta-cell metabolic flux. Our previous studies on intact pancreatic islets used two-photon NAD(P)H imaging as a quantitative measure of the combined redox signal from NADH and NADPH (referred to as NAD(P)H).
Yuting Sun et al.
Cell reports, 26(2), 469-482 (2019-01-10)
The plasticity of a preexisting regulatory circuit compromises the effectiveness of targeted therapies, and leveraging genetic vulnerabilities in cancer cells may overcome such adaptations. Hereditary leiomyomatosis renal cell carcinoma (HLRCC) is characterized by oxidative phosphorylation (OXPHOS) deficiency caused by fumarate
Helena Bros et al.
Experimental neurology, 261, 127-135 (2014-06-29)
Oxidative stress and mitochondrial dysfunction appear to contribute to axon degeneration in numerous neurological disorders. However, how these two processes interact to cause axonal damage-and how this damage is initiated-remains unclear. In this study we used transected motor axons from
Garret G Guenther et al.
Proceedings of the National Academy of Sciences of the United States of America, 105(45), 17402-17407 (2008-11-05)
Ceramide induces cell death in response to many stimuli. Its mechanism of action, however, is not completely understood. Ceramide induces autophagy in mammalian cells maintained in rich media and nutrient permease downregulation in yeast. These observations suggested to us that
Alice Rossi et al.
Cell reports, 30(7), 2332-2348 (2020-02-23)
Mitochondria are key organelles for brain health. Mitochondrial alterations have been reported in several neurodegenerative disorders, including Alzheimer's disease (AD), and the comprehension of the underlying mechanisms appears crucial to understand their relationship with the pathology. Using multiple genetic, pharmacological
Colleen R Reczek et al.
Nature chemical biology, 13(12), 1274-1279 (2017-10-24)
Paraquat, a herbicide linked to Parkinson's disease, generates reactive oxygen species (ROS), which causes cell death. Because the source of paraquat-induced ROS production remains unknown, we conducted a CRISPR-based positive-selection screen to identify metabolic genes essential for paraquat-induced cell death.
Meng Li et al.
Cancer cell, 35(6), 916-931 (2019-06-12)
Diffuse large B cell lymphomas (DLBCLs) are genetically heterogeneous and highly proliferative neoplasms derived from germinal center (GC) B cells. Here, we show that DLBCLs are dependent on mitochondrial lysine deacetylase SIRT3 for proliferation, survival, self-renewal, and tumor growth in vivo
N Lembert et al.
The Biochemical journal, 354(Pt 2), 345-350 (2001-02-15)
The role of mitochondria in stimulus-secretion coupling of pancreatic beta-cells was examined using methyl pyruvate (MP). MP stimulated insulin secretion in the absence of glucose, with maximal effect at 5 mM. K+ (30 mM) alone, or in combination with diazoxide
J Cancelas et al.
Endocrine, 16(2), 113-116 (2002-03-13)
Methyl pyruvate and the dimethyl ester of L-glutamic acid were administered intravenously, as a primed constant infusion (1.0-2.0 micromol followed by 0.5-1.0 micromol/min, both expressed per gram of body wt), in adult rats that had been injected with streptozotocin during
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