Zhong Qin Liang

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Ten., P. halepensis Mill., and P.␣pinea L. which grow naturally in Greece. The analysis results obtained by GC-MS provide additional information to that in the literature. The most relevant differences concern the oleoresin of P. brutia. Further research is necessary for the oleoresin of P. pinea. Ten., P.␣halepensis Mill. und P. pinea L.). Die(More)
In order to verify the formation of endogenous 3-deoxyglucosone (3-DG), an intermediate compound in the Maillard reaction, we tried to detect 3-deoxyfructose (3-DF) which is main metabolite of 3-DG. Endogenous 3-DF was detected in the urine of normal and diabetic rats by the oral administration of 3-DG-free feed. Metabolizing activities of crude extracts(More)
Plants were regenerated from immature embryo cultures of 35 winter wheat genotypes. A total of 7142 R2 spike lines from 1593 R1 plants were assessed in the field for somaclonal variants of morphological traits in 1985/86, 1986/87 and 1987/88. Selected variants were studied for their possible genetic basis. Populations of R1 plants were highly variable due(More)
A survey of entomogenous fungi was undertaken in the reserve of Wawu Mountains, Sichuan, China in July 1997. The specimens of the genus Cordyceps and other entomogenous fungi collected included C. militaris (Vuill.) Fr., C. agriota Kawam, C. nutans Pat., C. tricentri Yasuda, C. sphecocephala (K1.) Sacc., Paecilomyces cacadae (Miquel) Samson, Paecilomyces(More)
The present study sought to investigate if p53 mediates autophagy activation and mitochondria dysfunction in primary striatal neurons in kainic acid (KA)-induced excitotoxicity. The excitotoxic model of primary striatal neurons was established with KA. The levels of p53, microtubule-associated protein 1 light chain 3 (LC3), Beclin1, and p62 were examined by(More)
An enzyme which catalyzes the reduction of 3-deoxyglucosone to 3-deoxyfructose and methylglyoxal to acetol, was isolated and purified from porcine liver. 2-Oxoaldehyde compounds were found to be especially good substrates and monocarbonyl compounds were poor substrates for this reductase. The optimum pH of the enzyme activity was 6.5. The Km for(More)
An expression plasmid containing the agdA gene encoding Aspergillus oryzae ZL-1 α-glucosidase was constructed and expressed in Pichia pastoris X-33. The molar mass of the purified protein was estimated by SDS-PAGE. HPLC analysis showed that the purified enzyme has a transglucosylating activity with maltose as substrate. The main component of the enzyme(More)
Malignant gliomas are the most common and aggressive primary brain tumor. A major barrier to the treatment of glioma is the drug resistance. The existence of glioma stem cells may be responsible for drug resistance. Recent clinical data show that arsenic trioxide (As2O3) causes remission in patients with acute promyelocytic leukemia without severe side(More)
An enzyme which catalyzes the NADPH-dependent reduction of 3-deoxyglucosone (3DG) was isolated and purified from porcine liver by ammonium sulfate fractionation, and DEAE-cellulose, hydroxyapatite, Sephadex G-100, Blue Sepharose CL-6B, and Sephadex G-100 column chromatographies. The pH for optimum enzyme activity was 6.5. 3DG was a good substrate, and(More)
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