Search Results - "Hanna, David A"
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Heme dynamics and trafficking factors revealed by genetically encoded fluorescent heme sensors
Published in Proceedings of the National Academy of Sciences - PNAS (05-07-2016)“…Heme is an essential cofactor and signaling molecule. Heme acquisition by proteins and heme signaling are ultimately reliant on the ability to mobilize labile…”
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Regulation of intracellular heme trafficking revealed by subcellular reporters
Published in Proceedings of the National Academy of Sciences - PNAS (30-08-2016)“…Heme is an essential prosthetic group in proteins that reside in virtually every subcellular compartment performing diverse biological functions. Irrespective…”
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A growth chamber for chronic exposure of mammalian cells to H2S
Published in Analytical biochemistry (15-07-2023)“…H2S is a redox-active signaling molecule that exerts an array of cellular and physiological effects. While intracellular H2S concentrations are estimated to be…”
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4
Handling heme: The mechanisms underlying the movement of heme within and between cells
Published in Free radical biology & medicine (01-03-2019)“…Heme is an essential cofactor and signaling molecule required for virtually all aerobic life. However, excess heme is cytotoxic. Therefore, heme must be safely…”
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Rapid HPLC method reveals dynamic shifts in coenzyme Q redox state
Published in The Journal of biological chemistry (01-05-2024)“…Ubiquinol or coenzyme Q (CoQ) is a lipid-soluble electron carrier in the respiratory chain and an electron acceptor for various enzymes in metabolic pathways…”
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Heme Gazing: Illuminating Eukaryotic Heme Trafficking, Dynamics, and Signaling with Fluorescent Heme Sensors
Published in Biochemistry (Easton) (04-04-2017)“…Heme (iron protoporphyrin IX) is an essential protein prosthetic group and signaling molecule required for most life on Earth. All heme-dependent processes…”
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7
H2S preconditioning induces long-lived perturbations in O2 metabolism
Published in Proceedings of the National Academy of Sciences - PNAS (19-03-2024)“…Hydrogen sulfide exposure in moderate doses can induce profound but reversible hypometabolism in mammals. At a cellular level, H2S inhibits the electron…”
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8
H 2 S preconditioning induces long-lived perturbations in O 2 metabolism
Published in Proceedings of the National Academy of Sciences - PNAS (19-03-2024)“…Hydrogen sulfide exposure in moderate doses can induce profound but reversible hypometabolism in mammals. At a cellular level, H S inhibits the electron…”
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Hydrogen sulfide stimulates lipid biogenesis from glutamine that is dependent on the mitochondrial NAD(P)H pool
Published in The Journal of biological chemistry (01-08-2021)“…Mammalian cells synthesize H2S from sulfur-containing amino acids and are also exposed to exogenous sources of this signaling molecule, notably from gut…”
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10
Heme bioavailability and signaling in response to stress in yeast cells
Published in The Journal of biological chemistry (10-08-2018)“…Protoheme (hereafter referred to as heme) is an essential cellular cofactor and signaling molecule that is also potentially cytotoxic. To mitigate heme…”
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Heme oxygenase-2 (HO-2) binds and buffers labile ferric heme in human embryonic kidney cells
Published in The Journal of biological chemistry (01-02-2022)“…Heme oxygenases (HOs) detoxify heme by oxidatively degrading it into carbon monoxide, iron, and biliverdin, which is reduced to bilirubin and excreted. Humans…”
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Depletion assisted hemin affinity (DAsHA) proteomics reveals an expanded landscape of heme-binding proteins in the human proteome
Published in Metallomics (06-03-2023)“…Abstract Heme b (iron protoporphyrin IX) plays important roles in biology as a metallocofactor and signaling molecule. However, the targets of heme signaling…”
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13
Fluorometric Methods to Measure Bioavailable and Total Heme
Published in Methods in molecular biology (Clifton, N.J.) (2024)“…Heme b (iron protoporphyrin IX) is an essential but potentially cytotoxic cofactor, signaling molecule, and nutritional source of iron. Its importance in cell…”
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14
A growth chamber for chronic exposure of mammalian cells to H 2 S
Published in Analytical biochemistry (15-07-2023)“…H S is a redox-active signaling molecule that exerts an array of cellular and physiological effects. While intracellular H S concentrations are estimated to be…”
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