Cytoglobin function

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August undefined, 2024

WebApr 18, 2024 · Although conserved in most vertebrates, the function of cytoglobin is yet unknown. The changes in heme coordination lead to properties not consistent with an oxygen transport role, and a number of functions such as scavenging of reactive oxygen species, nitrite reduction, and nitric oxide dioxygenation have been proposed. WebWe identified a novel function of cytoglobin (Cygb) as an efficient superoxide dismutase (SOD) with a high–bimolecular dismutation rate on the order of 10 8 M −1 ⋅ s −1. It is the …

Characterization of the Mechanism and Magnitude of …

WebConclusions: Downregulation of CYGB by the TGF-β1/pSMAD2/SP3-M1 pathway brings about •OH-dependent oxidative DNA damage in activated hepatic stellate cells from patients with NASH. Lay summary: Cytoglobin (CYGB) is a respiratory protein that acts as a scavenger of reactive oxygen species and protects cells from oxidative DNA damage. WebMay 15, 2009 · It is unlikely that Cygb functions in O 2 supply to the respiratory chain, but it may be involved in detoxification of reactive oxygen or nitrogen species (ROS/RNS),or in … how to set up your nest camera

Mechanisms of cytoplasmic hemoglobin and myoglobin function

WebNeuroglobin and cytoglobin, members of the globin family, are present in vertebrate cells at very low concentrations. As the function of both proteins is still a matter of debate, it is very important to be able to produce and purify these proteins, and in general all members of the globin family, to homogeneity. WebApr 10, 2024 · Cytoglobin (Cygb) is a recently discovered globin expressed in fibroblasts and smooth muscle cells with unknown function. Cygb, coupled with a cellular reducing system, efficiently regulates... WebAug 26, 2003 · Cytoglobin is a recently discovered hemeprotein belonging to the globin superfamily together with hemoglobin, myoglobin and neuroglobin. Although distributed … how to set up your linkedin to find a job

Globin - an overview ScienceDirect Topics

WebSep 15, 2008 · Cytoglobin (CYGB) is a recently discovered vertebrate globin distantly related to myoglobin with unknown function. CYGB is assigned to chromosomal region … WebMyoglobin is a protein that’s found in your striated muscles, which includes skeletal muscles (the muscles attached to your bones and tendons) and heart muscles. Its main function … how to set up your mouse buttonsWebApr 15, 2013 · Cytoglobin (CYGB) is frequently downregulated in many types of human malignancies, and its exogenous overexpression reduces proliferation of cancer cells. Despite its implied tumour suppressor (TSG) functions, its exact role in carcinogenesis remains unclear as CYGB upregulation is also associated with tumour hypoxia and … how to set up your new computer pcworld

"WebBackground: Cytoglobin plays cytoprotective roles under hypoxic/ischemic conditions, but the mechanisms remain unclear.Results: Cytoglobin functions as a nitrite reductase leading to NO generation and soluble … " - Cytoglobin function

Cytoglobin function

A role for cytoglobin in regulating intracellular hydrogen …

WebMost known globins fulfill respiratory functions, supplying the cell with adequate amounts of O 2 for aerobic energy production via the respiratory chain in the mitochondria [5–7]. ... [16–18] and is now officially named cytoglobin (Cygb), based on its widespread expression in many mammalian tissues and organs. WebAug 26, 2003 · Crystal structure of cytoglobin: the fourth globin type discovered in man displays heme hexa-coordination. Cytoglobin is a recently discovered hemeprotein belonging to the globin superfamily together with hemoglobin, myoglobin and neuroglobin. Although distributed in almost all human tissues, cytoglobin has not been ascribed a …

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WebMar 31, 2024 · cytoglobin antioxidant function relied on the same reductive pathway and did not recruit and was not reliant on alternate pathways. The ability of cytoglobin to limit the inactivation of peroxiredoxin 2 and alter Hyper7 signal was still surprising to us because the heme peroxidase activity of cytoglobin is several folds slower than peroxiredoxin 29 WebFeb 14, 2024 · Cytoglobin is an evolutionary ancient hemoglobin with poor functional annotation. Rather than constrained to penta coordination, cytoglobin's heme iron may …

WebGlobins are ubiquitous heme-binding a-helical proteins whose function is principally thought to regulate oxygen homoeostasis [1, 2]. ... (Mb), cytoglobin (Cygb), and neuroglobin (Ngb). Hb is located in erythrocytes, which transport O 2 from the lungs to tissues through the circulatory system and CO 2 in the opposite direction. WebJul 9, 2011 · Recently, Cygb has been shown to inhibit cancer cell growth in vitro, thus confirming its suggested tumour suppressor role. This article aims to review the …

WebSep 9, 2008 · The exact function of CYGB is unknown, although it has been proposed to play a role in collagen synthesis (22, 23), O 2 sensing and transport , or detoxification of … WebDec 28, 2024 · Abstract Cytoglobin (Cygb) was discovered as a novel type of globin that is expressed in mammals; however, its functions remain uncertain. While Cygb protects against oxidant stress, the basis for this is unclear, and the effect of Cygb on superoxide metabolism is unknown.

WebCytoglobin, a novel member of the globin family, protects kidney fibroblasts against oxidative stress under ischemic conditions Cytoglobin (Cygb) is a novel member of the vertebrate globin superfamily. Although it is expressed in splanchnic fibroblasts of various organs, details of its function remain unknown.

WebOct 13, 2024 · Cygb is an oxygen-responsive tissue hemoglobin expressed in distinct regions of thenormoxic and hypoxic brain and may play a key role in the response of the brain to ahypoxic insult. differential expression of cytoglobin argues against a general respiratory function of this molecule, but rather indicates a connective tissue-specific … nothomb charles ferdinandWebMechanisms of cytoplasmic hemoglobin and myoglobin function Annu Rev Biophys Biophys Chem. 1990;19:217-41. doi: 10.1146/annurev.bb.19.060190.001245. Authors J … nothomb chevalWebCytoglobin (Cgb), a newly discovered member of the vertebrate globin family, binds O 2 reversibly via its heme, as is the case for other mammalian globins (hemoglobin (Hb), myoglobin (Mb) and neuroglobin (Ngb)). While Cgb is expressed in various tissues, its physiological role is not clearly understood. Here, the X-ray crystal structure of wild type … nothomb bibliographieWebMay 3, 2024 · Cytoglobin (CYGB), a hemeprotein involved in liver fibrosis and cancer development, is expressed in pericytes of all organs. Here, we examined the role of CYGB in the development of pancreatic cancer. how to set up your new computer the right wayWebCytoglobin (CYGB) is a recently discovered vertebrate globin distantly related to myoglobin with unknown function. CYGB is assigned to chromosomal region 17q25, which is frequently lost in multiple malignancies. Previous studies failed to detect evidence for mutations in the CYGB gene. Recent studies provided preliminary evidence for increased ... nothomb attertWebJun 15, 2024 · Toxicology Letters December 15, 2008. Cytoglobin (Cygb) is a recently discovered hexacoordinate globin protein with a yet undefined function. It was found to be up-regulated in toxin-induced liver ... how to set up your new pcWebMay 20, 2013 · Background. Evidence suggests that cytoglobin (Cygb) may function as a tumor suppressor gene. Methods. We immunohistochemically evaluated the expression of Cygb, phosphatidylinositol-3 kinase (PI-3K), phosphorylated (p)-Akt, Interleukin-6 (IL-6), tumor necrosis factor-α (TNFα) and vascular endothelial growth factor (VEGF) in 88 … how to set up your novation