Cytoglobin function

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August undefined, 2024

WebCytoglobin (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 ... 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.

TGF-β1-driven reduction of cytogl... preview & related info

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. WebUsing independently derived antibodies, both report that Cygb is cytoplasmatically expressed in fibroblasts and fibroblast-related cell types in a broad variety of … population of spokane wa 2021

Cytoglobin: Biochemical, functional and clinical perspective of …

WebJul 9, 2011 · Cytoglobin (Cygb) is a vertebrate globin with so far poorly defined function. It is expressed in the fibroblast cell-lineage but has also been found in neurons. WebAug 26, 2003 · Cytoglobin is a recently discovered hemeprotein belonging to the globin superfamily together with hemoglobin, myoglobin and neuroglobin. Although distributed … WebFeb 14, 2024 · Cytoglobin is an evolutionary ancient hemoglobin with poor functional annotation. Rather than constrained to penta coordination, cytoglobin's heme iron may … population of spring city utah

CYGB cytoglobin [Homo sapiens (human)] - Gene - NCBI

WebMay 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 … 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 … population of springfield manitobaWebMay 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. sharon borgers obituary

"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. " - Cytoglobin function

Cytoglobin function

Characterization of the Mechanism and Magnitude of …

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 … WebOct 3, 2024 · Cytoglobin is a highly conserved redox sensor heme protein with unknown physiological function. Unexpectedly, genetic deletion of zebrafish cytoglobin ( cygb2 ) causes cardiac and...

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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. 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.

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 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 …

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 … 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 …

WebOct 13, 2024 · Cytoglobin has potent superoxide dismutase function. TGF-beta1-driven reduction of cytoglobin leads to oxidative DNA damage in stellate cells during non-alcoholic steatohepatitis. A reliable set of reference genes to normalize oxygen-dependent cytoglobin gene expression levels in melanoma.

sharon borovetz pittsburghWebJun 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 ... sharon borowicz holland ohioWebCytoglobin (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 … population of springboro ohWebMay 1, 2002 · Cytoglobin (Cygb) is a low expression hexacoordinate globin found in all tissues of vertebrates [1]. Despite effort to assign a biological role to Cygb, the function of this protein is not... sharon bottoms 3200 alumbaugh courtWebApr 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... sharon borg wall facebookWebSep 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 … sharon borisWebApr 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 … sharon botkin