Báo cáo khoa học: Protective effect of dietary curcumin and capsaicin on induced oxidation of low-density lipoprotein, iron-induced hepatotoxicity and carrageenan-induced inﬂammation in experimental rats ppt

... corresponding controls. Protective effect of dietary curcumin, capsaicin and their combination on iron -induced LDL oxidation in vivo and copper -induced LDL oxidation in vitro Oxidation of LDL ... dietary curcumin and capsaicin signiﬁcantly inhibited the in vivo iron -induced LDL oxidation, aswell as copper -induced oxidation of LDL in vitro. The protective effect of the combination of curcumin ... ironoverload can be effected by intraperitoneal injection of iron salts [51].Effects of dietary curcumin, capsaicin and theircombination on iron -induced lipid peroxidation in ratserum and...

$Báo cáo khoa học: Protective effect of active oxygen scavengers on protein degradation and photochemical function in photosystem I submembrane fractions during light stress pdf$

Báo cáo khoa học: Protective effect of active oxygen scavengers on protein degradation and photochemical function in photosystem I submembrane fractions during light stress pdf

... proteins indicating mainly1O2was involved[28]. In spinach thylakoids, illumination at low lightintensity resulted in the degradation of PsaB geneproduct into two fragments of 51 and 45 ... the degradation of each polypeptide and the protein conformation changes are assessed in con-nection with alterations in photochemical activity dur-ing strong light illumination of the PSI submembranefractions. ... occurrence of and properties of two different types of photoinactivation.Plant Cell Physiol 11, 29–38.9 Satoh K & Fork DC (1982) Photoinhibition of reactioncenters of photosystem I and II in intact...

Báo cáo khóa học: CD38 is expressed as noncovalently associated homodimers on the surface of murine B lymphocytes doc

... mMphenyl-methanesulfonyl ﬂuoride, 2 lgÆmL)1aprotinin and leupep-tin and 1% of one of the following detergents: Nonidet-P-40(v/v) (NP-40), Triton X-100 (v/v) (Sigma), Chaps (w/v)(Polysciences Inc., Warrington, ... concentration was determined and equivalentamounts of protein were run on SDS/PAGE gels under reducing conditions. CD38 and actin expression were analyzed by Western blot using rabbitpolyconal anti-CD38 ... minor points at 7.4 and 7.1 (Fig. 1C). Analysis of p95 revealed isoelectric points of 7.7, 7.2 and 7.1 (Fig. 1C). These points were located atsimilar positions to the corresponding points in...

Tài liệu Báo cáo khoa học: The effect of small molecules in modulating the chaperone activity of aB-crystallin against ordered and disordered protein aggregation pdf

... aB-crystallin.Reduction -induced aggregation of the insulin B-chainLight scattering due to DTT -induced amorphousaggregation and precipitation of the insulin B-chaincommenced after 10 min and reached ... precipitation in the presence of high concentrations of Arg-HCl in the absence of the chaperone precluded analysis of the effect of this concentration on the protective ability of aB-crystallin.Reduction -induced ... aggregation and precipitation of a-lactalbumin commenced after25 min and reached a plateau after 90 min. Theamount of DTT -induced aggregation of a-lactalbuminwas increased in a concentration-dependent...

Tài liệu Báo cáo khóa học: The effect of mutations surrounding and within the active site on the catalytic activity of ricin A chain pptx

... this position being positively charged in nearly 60% of ribosome-inactivating proteins [28]. TheMonzingo and Robertus models [10], and the 29meroligonucleotide-binding model of Olson and Cuff ... challenged withincreasing concentrations of toxin at 37 °C for 4 h. Remaining proteinsynthesis after this time was measured by the incorporation of (35S)methionine. Symbols indicate the mean of four ... ricin, d, ricin R213A, j;andricinR213D, m.(B)ricin,d; ricin R258A, j, and ricin R258D, m;(C)ricin,d; ricin R48A, j.Fig. 2. Assessment of the N-glycosidase activity of RTA variants con-taining...

Tài liệu Báo cáo khoa học: "The Effect of Pitch Accenting on Pronoun Referent Resolution" ppt

... sequence of shifts. When intonation and centering collide My synthesis of the claims in PH90 and GJW89 pro- duces an attentional interpretation of pitch accents, modeled by operations on Cf, and ... account of pitch ac- cent semantics with Grosz, Joshi and Weinstein's (1989) account of centering to yield insights into the phenomenon of pitch accented pronominals, and the attentional consequences ... focus of attention. Intonational theories would be similarly hard pressed, but on grounds of information quality and efficient use of limited resources. Given the serial and ephemeral nature of...

Báo cáo khoa học: The effect of replacing the axial methionine ligand with a lysine residue in cytochrome c-550 from Paracoccus versutus assessed by X-ray crystallography and unfolding ppt

... position in conformer B so as to maintain itsH-bonding interactions (Fig. 4D). Effect of the M100K mutation on the stability of the native stateThe effect on protein stability upon introduction of ... cooperativeunfolding events of horse heart cyt c are also involved in triggering the conformational change resulting in ligand-exchange at alkaline conditions. Despite this, noconformational ligand switching ... an effect on the dynamics in this region of the protein, which at cryo-temperatures leads to thevisualization of two conformers. On comparing the main-chain torsion angles and coordinates of...

Báo cáo khoa học: Dual effect of echinomycin on hypoxia-inducible factor-1 activity under normoxic and hypoxic conditions docx

... 1. Effect of echinomycin on HIF-1 activity. HepG2 and HeLa cells were incubated for 5 or 16 h under hypoxia or normoxia in the pres-ence or absence of increasing concentrations of echinomycin. ... labelling and confocal observation (Fig. 3D).Again, echinomycin did not in uence hypoxia -induced HIF-1a accumulation, but led to an increase in theHIF-1a protein level under normoxic conditions. ... 3. Effect of echinomycin on HIF-1a protein level. HepG2 and HeLa cells were incubated for 5 or 16 h under hypoxia or normoxia in thepresence or absence of increasing concentrations of echinomycin....

Báo cáo khoa học: The effect of heme on the conformational stability of micro-myoglobin doc

... 2007)doi:10.1111/j.1742-4658.2007.06176.xMicro-myoglobin, the isolated heme-binding subdomain of myoglobin, is avaluable model system for the investigation of heme recognition and bind-ing by proteins, and provides an example of protein folding ... heme ligand allows for coordinationinteraction between the iron ion and an imidazole ringnitrogen of His93, and its propionate groups areengaged in salt bridges with the basic side-chains of Arg45 ... subdomain containing almost all the protein–heme contact sites [5]. Recent studies have indicatedthat a fragment corresponding to such a portion of thestructure is capable of folding into a...

Báo cáo khoa học: "The Effect of Translation Quality in MT-Based Cross-Language Information Retrieval" pptx

... Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the ACL, pages 593–600,Sydney, July 2006.c2006 Association for Computational LinguisticsThe ... our experimental method. Section 5 and section 6 reports and discusses the experimental results. Finally we present our conclusion and future work in section 7. 5932 Related Work 2.1 Effect ... bridge and tunnel construction for the Beijing-Kowloon Railroad, including location, construction status, span or length. </top> Figure 1. Example of TREC Topic 5.2 Query Formulation...

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