A newly isolated lectin, Amaranthus caudatus agglutinin (also called amaranthin or ACA), which binds to the Thomsen-Friedenreich antigen (T-antigen) and its sialylated variants, was used as a histochemical probe for proliferating cells in sections of human colonie tissues. Binding inhibition studies revealed that ACA binds to different sites on histolÃ3g ica! sections when compared to peanut ag...

Les Aedes et les Culex sont des moustiques impliques dans la transmission de plusieurs agents pathogenes responsables maladies telles que arboviroses parasitoses. L’importance lutte biologique/genetique a ete demontre avec succes contre glossines anopheles par certaines etudes. Le but cette etude est tester possibilite d’utiliser mic...

Highly DNA-reactive <*,/3-unsaturated aldehydes such as acrolein and crotonaldehyde are common environmental pollutants present in cigarette smoke and automobile exhaust and are also released endogenously by lipid peroxidation. Acroleinand crotonaldehyde-derived l,.V--prop;modeoxyguanosine (AdG and CdG, respectively) have been detected in the tissues of carcinogen-treated rodents and as backgro...

Using the splitting of a Q-deformed boson, in the Q → q = e 2πi k limit, the fractional decomposition of the quantum affine algebra Â(n) and the quantum affine superalgebra Â(n,m) are found. This decomposition is based on the oscillator representation and can be related to the fractional supersymmetry and k-fermionic spin. We establish also the equivalence between the quantum affine algebra Â(n...

Hepatic and splenic microsomal electron transport system function, microsomal heme oxygenase activity, and microsomal drug metabolism have been examined in male Wistar rats bearing Murphy-Sturm lymphosarcoma 2 to 15 days following i.m. tumor transplantation. Hepatic microsomal cytochrome P450 and NADPH-cytochrome c reducÃ-ase activity decreased significantly [cytochrome P-450 nadir was 0.49 ± ...

â â â  research in arabic language & literature â â â â â â â  biannual journal â  of the f oreign languages faculty â â of the university of isfahan â â â â â  issue 7, autumn & winter 2012-2013 â â â  issn: 2008-6466 electronic issn: 2322-4649 â  â  â  â  this journal is indexed in below sites: â  â  bjm electronic database http://uijs.ui.ac.ir/rall â  doaj: directory of open access journals ...

A general procedure for the synthesis of enantiopure â-substituted, â-amino acids is presented. Alkylation of the sodium enolates derived from chiral N-acyloxazolidinone imides 2 (R ) Me, i-Pr, t-Bu, Ph, Bn) with tert-butyl bromoacetate afforded the 2-substituted succinate derivatives 3 in good yields (82-89%) and with high selectivity (g93:7). Following hydrolysis, Curtius rearrangement of the...

Hepatic and splenic microsomal electron transport system function, microsomal heme oxygenase activity, and microsomal drug metabolism have been examined in male Wistar rats bearing Murphy-Sturm lymphosarcoma 2 to 15 days following i.m. tumor transplantation. Hepatic microsomal cytochrome P450 and NADPH-cytochrome c reducÃ-ase activity decreased significantly [cytochrome P-450 nadir was 0.49 ± ...

INTRODUCTION The possible induction of new transfer RNA-methylating enzymes by the tumor-producing virus, Simian Virus 40 (SV4O), and by other DNA-containing animal viruses has been studied in connection with the aberrant methylation hypothesis of vital carcinogenesis. The tRNA methylase â€oeactivity†• and the tRNA methylase â€oecapacity†• were measured after productive infection of African...

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