VHL-1 - CAS 2010986-87-3

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Molecular Formula
C25H34N4O4S
Molecular Weight
486.63

VHL-1

    • Specification
      • IUPAC Name
        (2S,4R)-1-[(2S)-2-acetamido-3,3-dimethylbutanoyl]-4-hydroxy-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]pyrrolidine-2-carboxamide
    • Properties
      • Boiling Point
        772.7±60.0 °C at 760 mmHg
        Density
        1.229±0.06 g/cm3
        InChI Key
        JAHUHEDUDMTTTF-COWZOJLOSA-N
        InChI
        InChI=1S/C25H34N4O4S/c1-14(17-7-9-18(10-8-17)21-15(2)26-13-34-21)27-23(32)20-11-19(31)12-29(20)24(33)22(25(4,5)6)28-16(3)30/h7-10,13-14,19-20,22,31H,11-12H2,1-6H3,(H,27,32)(H,28,30)/t14-,19+,20-,22+/m0/s1
        Canonical SMILES
        CC1=C(SC=N1)C2=CC=C(C=C2)C(C)NC(=O)C3CC(CN3C(=O)C(C(C)(C)C)NC(=O)C)O
    • Reference Reading
      • 1. Benign prostatic hyperplasia
        Brazilian Society of Urology, Brazilian Medical Association; Ricardo L V Nunes, Alberto A Antunes, Antonio Silvinato, Wanderley M Bernardo Rev Assoc Med Bras (1992). 2018 Oct;64(10):876-881.doi: 10.1590/1806-9282.64.10.876.
        The minimally invasive procedures (mips) for the treatment of symptoms of benign prostatic hyperplasia (bph) are presented as attractive techniques due to their ease of accomplishment and the possibility of outpatient treatment. This guideline aims to present recommendations that may assist in decision making in patients with benign prostatic hyperplasia and indication of the different minimally invasive therapies. For this, a systematic review of the literature was performed, with the descriptors according to the pico: patient with benign prostatic hyperplasia, minimally invasive therapy, clinical outcome and adverse events. With no time restriction, in medline, cochrane central and lilacs databases via vhl, 1,007 papers were retrieved, of which 16 were selected to respond to clinical doubt. Details of the methodology and results of this guideline are set out in annex I.
        2. The Caenorhabditis elegans rhy-1 gene inhibits HIF-1 hypoxia-inducible factor activity in a negative feedback loop that does not include vhl-1
        Chuan Shen, Zhiyong Shao, Jo Anne Powell-Coffman Genetics. 2006 Nov;174(3):1205-14.doi: 10.1534/genetics.106.063594.Epub 2006 Sep 15.
        Hypoxia-inducible factor (HIF) transcription factors implement essential changes in gene expression that enable animals to adapt to low oxygen (hypoxia). The stability of the C. elegans HIF-1 protein is controlled by the evolutionarily conserved EGL-9/VHL-1 pathway for oxygen-dependent degradation. Here, we describe vhl-1-independent pathways that attenuate HIF-1 transcriptional activity in C. elegans. First, the expression of HIF-1 target genes is markedly higher in egl-9 mutants than in vhl-1 mutants. We show that HIF-1 protein levels are similar in animals carrying strong loss-of-function mutations in either egl-9 or vhl-1. We conclude that EGL-9 inhibits HIF-1 activity, as well as HIF-1 stability. Second, we identify the rhy-1 gene and show that it acts in a novel negative feedback loop to inhibit expression of HIF-1 target genes. rhy-1 encodes a multi-pass transmembrane protein. Although loss-of-function mutations in rhy-1 cause relatively modest increases in hif-1 mRNA and HIF-1 protein expression, some HIF-1 target genes are expressed at higher levels in rhy-1 mutants than in vhl-1 mutants. Animals lacking both vhl-1 and rhy-1 function have a more severe phenotype than either single mutant. Collectively, these data support models in which RHY-1 and EGL-9 function in VHL-1-independent pathway(s) to repress HIF-1 transcriptional activity.
        3. Hypoxic response regulators RHY-1 and EGL-9/PHD promote longevity through a VHL-1-independent transcriptional response
        Joseph C P Kruempel, Hillary A Miller, Megan L Schaller, Abrielle Fretz, Marshall Howington, Marjana Sarker, Shijiao Huang, Scott F Leiser Geroscience. 2020 Dec;42(6):1621-1633.doi: 10.1007/s11357-020-00194-0.Epub 2020 May 12.
        HIF-1-mediated adaptation to changes in oxygen availability is a critical aspect of healthy physiology. HIF is regulated by a conserved mechanism whereby EGLN/PHD family members hydroxylate HIF in an oxygen-dependent manner, targeting it for ubiquitination by Von-Hippel-Lindau (VHL) family members, leading to its proteasomal degradation. The activity of the only C. elegans PHD family member, EGL-9, is also regulated by a hydrogen sulfide sensing cysteine-synthetase-like protein, CYSL-1, which is, in turn, regulated by RHY-1/acyltransferase. Over the last decade, multiple seminal studies have established a role for the hypoxic response in regulating longevity, with mutations in vhl-1 substantially extending C. elegans lifespan through a HIF-1-dependent mechanism. However, studies on other components of the hypoxic signaling pathway that similarly stabilize HIF-1 have shown more mixed results, suggesting that mutations in egl-9 and rhy-1 frequently fail to extend lifespan. Here, we show that egl-9 and rhy-1 mutants suppress the long-lived phenotype of vhl-1 mutants. We also show that RNAi of rhy-1 extends lifespan of wild-type worms while decreasing lifespan of vhl-1 mutant worms. We further identify VHL-1-independent gene expression changes mediated by EGL-9 and RHY-1 and find that a subset of these genes contributes to longevity regulation. The resulting data suggest that changes in HIF-1 activity derived by interactions with EGL-9 likely contribute greatly to its role in regulation of longevity.
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It is commonly abbreviated as: C1V1 = C2V2

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Tip: Chemical formula is case sensitive. C22H30N4O c22h30n40
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