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Sulfo-NHS-Biotin In mammals ribonucleotide reductase RNR is
2021-06-10
In mammals, ribonucleotide reductase (RNR) is a unique enzyme that catalyzes the rate-limiting step of de novo synthesis of deoxyribonucleoside triphosphates (dNTPs).7, 8 Mammalian RNR consists of two homodimer subunits: the large catalytic dimer RRM1 and the small regulatory dimer RRM2 or RRM2B. An
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fty Synthesis of and is described in Scheme Compounds and
2021-06-10
Synthesis of 5–7, 12–14, and 18 is described in Scheme 3. Compounds 5–7 and 18 were prepared as outlined in Scheme 3a. Reaction of 4-bromomethylbenzoic fty (36) with thionyl chloride yielded the corresponding acid chloride, which was converted to the corresponding amide 40a by the usual ammonolysis
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br Summary and perspectives In recent decades
2021-06-10
Summary and perspectives In recent decades, enormous advances have been achieved in the development of enzyme-activatable imaging probes, enabling the accurate detection of enzyme activity in vivo to better understand the biological function of enzymes in disease processes. Activatable probes are
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In conclusion this study indicated that D tripetala
2021-06-10
In conclusion, this study indicated that D. tripetala and A. melengueta extracts inhibited CYP 3A enzyme both in vitro and in vivo. Although these inhibitions may appear to be weak from the US FDA classification point of view, caution must be applied in the concurrent use of herbal preparations cont
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br EBV Infection Epstein Barr virus EBV human
2021-06-09
EBV Infection Epstein–Barr virus (EBV, human herpesvirus 4) was discovered 50 years ago, when Epstein, Achong, and Barr used electron microscopy to identify viral particles in Burkitt's lymphoma cells. It belongs to the lymphocryptovirus (LCV) genus of the gammaherpesvirus subfamily (Fig. 1A). Th
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COH inhibited global SUMOylation in cells and blocked the
2021-06-09
COH000 inhibited global SUMOylation in ezh2 inhibitor and blocked the E1 catalyzed attachment of SUMO to the corresponding conjugating enzyme Ubc9, but not the attachment of ubiquitin or NEDD8 to their respective E2s, confirming inhibition and specificity in cellulo. Consistent with previous studie
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Ginsenoside Re lysine mixture had increased anticancer effec
2021-06-09
Ginsenoside Re-lysine mixture had increased anticancer effects upon heat processing by regulating Bcl-2 and Bax (Yamabe et al., 2013). Ginsenoside Re (20mg/kg) inhibited NF-κB activation by inhibiting LPS binding to TLR4 on macrophages in TNBS-treated mice (Lee, Hyam, Jang, Han, & Kim, 2012). The ch
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br Activity based probes br Characterization of
2021-06-09
Activity-based probes Characterization of coronavirus-encoded DUBs with activity-based probes To study the activity of specific DUBs, investigators frequently take advantage of the ~10kDa (monoUb or Ubl ABP) or ~20kDa (DiUb ABP) increase in MW on probe labeling. SDS-PAGE analysis or blotting f
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Elevation of plasma glucocorticoids as well as a sympathetic
2021-06-09
Elevation of plasma glucocorticoids as well as a sympathetic activation are highly adaptive mechanisms allowing the individual to cope in various situations [39]. Novelty-induced increase in locomotor activity, characterizing the bold fish herein, accompanied by elevated glucocorticoids is a well-es
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br Introduction DNA dependent protein kinase DNA
2021-06-09
Introduction DNA-dependent protein kinase (DNA-PK) is a multicomponent serine/threonine protein kinase and considered a member of the phosphatidylinositol (PI) 3-kinase related kinase (PIKK family). This enzyme plays a critical role in the repair of mammalian DNA double strand breaks (DSBs) throu
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An AmDH is engineered by mutating two conserved amino
2021-06-09
An AmDH is engineered by mutating two conserved amino Tryptone residues in the active site of an amino acid dehydrogenase (AADH). Starting from the leucine dehydrogenase (LeuDH) from Bacillus stearothermophilus, substituting a serine and leucine at the K68 and N261 positions, respectively, resulted
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br Authors contributions br Acknowledgements br Introduction
2021-06-09
Authors’ contributions Acknowledgements Introduction Retinoic carboxypeptidase is a key signalling molecule in healthy development and in differentiation of stem cells, albeit uncontrolled levels of retinoic acid can lead to mutagenesis [1]. In eukaryotes retinoic acid is made by oxidation
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As a basis for the
2021-06-09
As a basis for the DDR1 substrate identification approach detailed below, we first set out to perform 2D-gel electrophoresis with lysates isolated from collagen-stimulated human breast cancer MDA-MB-231 ezh2 inhibitor overexpressing DDR1 (b-isoform). This allowed us to determine whether DDR1 is not
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Defensins are one major class of antimicrobial
2021-06-09
Defensins are one major class of antimicrobial, cationic peptides that are released from Adriamycin and imbedded in the mucus layer on mucosal surfaces [45]. They can be categorized into two major families; α- and β-defensins. In humans there are two α-defensin members, defensin 5 (HD5) and defensi
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We next examined the effects of substituents around the carb
2021-06-09
We next examined the effects of substituents around the carboxylic Busulfan moiety on CRTH2 binding (Table 4). The carboxylic acid moiety shared by the representative CRTH2 antagonists and is essential for the CRTH2 activity. Germinal dimethylation of the methylene moiety next to the carboxylic aci
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