Aged ; Alzheimer Disease ; drug therapy ; physiopathology ; Brain ; physiopathology ; Chitosan ; pharmacology ; therapeutic use ; Electroencephalography ; Female ; Humans ; Male ; Phospholipids ; pharmacology ; therapeutic use

The yeast fusant ZFF-28, which is high in biomass production and rich in selenium, was constructed after mutagenesis and protoplasts fusion between yeast strains. The total selenium content of ZFF-28 is 1.8 and 1.0 times higher than that of the parental strains Saccharomyces cerevisiae ZY-67 and Saccharomyces kluyveri SZY-198 respectively. Using single factor tests and a L16(4(3) x 2(1)) orthogonal design, the cultivation conditions was optimized as: 50mL culture in 250mL shake flasks in molasses containing 6% sugar and 60microg/mL Se at 28 degree C for 25h at 220 r/min, with the initial pH adjusted to 6.0 - 6.5. Under the optimized conditions, the biomass (dry weight) reached 8.2g/L and the Se content of the cells reached 2050microg/g, with organic and inorganic Se contents being 91% and 9% respectively.
Biomass ; Hydrogen-Ion Concentration ; Saccharomyces ; genetics ; growth & development ; metabolism ; Saccharomyces cerevisiae ; genetics ; metabolism ; Selenium ; metabolism ; Selenium Compounds ; metabolism

After half a century of self-innovation, the integrated traditional Chinese and Western medicine has witnessed the great progress in both clinical and basic research. However, the theoretical system of the integrative medicine does not break through the limitations of traditional Chinese medicine and Western medicine, which hinders its implication in experimental study and clinical work. In view of the current situation, to develop the integration of traditional Chinese and Western medicine further, efforts should be made in such aspects as educational system construction, talent personnel training, improving the level of clinical practice and corresponding basic research as well as the establishing the basic theoretical system.
Clinical Medicine ; History, 20th Century ; Humans ; Integrative Medicine ; history ; methods ; Medicine, Chinese Traditional ; history ; methods ; Research

Humans ; Job Satisfaction ; Occupational Health ; Reward ; Stress, Psychological ; physiopathology ; Surveys and Questionnaires ; Workload

Immuno-fluorescence technique can qualitatively determine certain nuclear translocation, of which NF-κB/ p65 implicates the activation of NF-κB signal pathways. Immuno-fluorescence analysis software with independent property rights is able to quantitatively analyze dynamic location of NF-κB/p65 by computing relative fluorescence units in nuclei and cytoplasm. We verified the quantitative analysis by Western Blot. When we applied the software to analysis of nuclear translocation in lipopolysaccharide (LPS) induced (0. 5 h, 1 h, 2 h, 4 h) primary human umbilical vein endothelial cells (HUVECs) , we found that nuclear translocation peak showed up at 2h as with calculated Western blot verification results, indicating that the inventive immuno-fluorescence analysis software can be applied to the quantitative analysis of immuno-fluorescence.
Active Transport, Cell Nucleus ; Cell Nucleus ; metabolism ; Cytoplasm ; metabolism ; Fluorescent Antibody Technique ; Human Umbilical Vein Endothelial Cells ; Humans ; NF-kappa B p50 Subunit ; metabolism ; Software

To analysis the differences between Tripterygium wilfordii and T. hypoglaucum, specimens of their leaves were collected from five production regions and analyzed by ultra performance liquid chromatography coupled with quadrupole time of flight mass spectrometry (UPLC-Q-TOF-MS). The data were analyzed by multivariate statistical method, such as hierarchical cluster analysis (HCA) principal component analysis (PCA) and orthogonal signal correction partial least square discrimination (OPLS-DA). Potential markers with VIP values above 5.0 and corresponding r values above 0.85, were selected and further tested by combining mann-Whitney nonparametric. Those with P < 0.001 and AUC = 1 were confirmed as metabolite markers to discriminate them from each other. Results revealed that the two species were obviously different in their leaf metabolites. Based on their mass spectra, 23 potential metabolite markers were identified to distinguish T. wilfordii from T. hypoglaucum.
Chromatography, High Pressure Liquid ; Drugs, Chinese Herbal ; chemistry ; metabolism ; Mass Spectrometry ; Molecular Structure ; Plant Leaves ; chemistry ; metabolism ; Tripterygium ; chemistry ; classification ; metabolism

The DNA structures could be altered or even damaged by exogeous or endogenous factors during cell proliferation. Failure of effective and timely repair will lead to cell cycle arrest or apoptosis. By taking the advantage of the quick proliferation of cancer cells, DNA damage induction, cell cycle arrest and apoptosis promotion have become important strategies for ant-cancer chemotherapy. Previous reports showed that an array of natural compounds inhibit cancer cell proliferation by inducing DNA damage, which have therapeutic potentials for anti-cancer drug research and development.
Animals ; Biological Products ; pharmacology ; therapeutic use ; DNA Damage ; Drugs, Chinese Herbal ; therapeutic use ; Humans ; Neoplasms ; drug therapy

OBJECTIVETo make full use of the plant resources of Panax notoginseng, nutritional compositions and mineral elements were analyzed in aerial part of P. notoginseng from different areas in Yunnan.

METHODUsing the national standard method, water, ash, crude fat, crude fiber, crude protein and mineral elements were determined in aerial part of P. notoginseng from different growing areas.

RESULTResults showed that there were higher contents of crude fiber and crude protein, and lower content of crude fat in the stems and flowers of P. notoginseng. Meanwhile, a large number of mineral elements were determined in two locations of P. notoginseng, and the contents of Zn, Fe, Mn, Ca and Mg were obvious higher among these mineral elements.

CONCLUSIONThis study showed that the stems and flowers of P. notoginseng were nutritious and suggested that the aerial part may be utilized as new resources foods.

Flowers ; chemistry ; Nutritive Value ; Panax notoginseng ; chemistry ; Plant Extracts ; analysis ; Plant Leaves ; chemistry ; Plant Stems ; chemistry ; Trace Elements ; analysis

Sanqi (Panax notoginseng) is a valuable unique herb, and is also one of the very fast developed varieties of traditional Chinese medicines in recent years with increasing role in traditional Chinese medicine industry. This paper summarized the main experience, industry development and present situation, pointed out the main problems existing in the industry development. On this basis, we put forward the targets and measures for the development of the Sanqi industry in to provide decision-making reference for the sustainable development of the Sanqi industry in China.
China ; Drug Industry ; economics ; trends ; Drugs, Chinese Herbal ; analysis ; economics ; Medicine, Chinese Traditional ; economics ; trends ; Panax notoginseng ; chemistry ; growth & development

OBJECTIVETo explore the effect of Lignum Sappan (LS) containing serum on the proliferation cycle arrest of human lung cancer cell line PG and its molecular mechanism.

METHODSThe lung cancer PG cells were divided into four groups, i.e., the blank control group, the LS group, the LS plus cisplatin group, and the cisplatin group. They were cultured by RPMI-1640 with 20% blank serum, RPMI-1640 with 20% LS containing serum, RPMI-1640 with 20% LS containing serum plus 1 microg/mL cisplatin, and RPMI-1640 with 20% blank serum plus 1 microg/mL cisplatin, respectively. The morphology of PG cells was observed using light microscope and laser scanning confocal microscope in each group. The cell cycle arrest was observed using flow cytometry. The expression of P16 and Rb1 mRNA was tested by PCR method.

RESULTSUnder the light microscope and laser scanning confocal microscope, the apoptosis degree of PG cells in the LS group was significant, but less than that of the LS plus cisplatin group as well as the cisplatin group. Compared with the blank control group, the proportion of PG cells increased at G0/ G1 and S phases (P < 0.05) and decreased at G2/M phase (P < 0.01) in the LS group; The proportion of PG cells increased at G2/M and S phases (P < 0.05, P < 0.01) and decreased at G0/G1 phase (P < 0.01) in the LS plus cisplatin group as well as the cisplatin group. Compared with the LS group, the proportion of PG cells increased at G2/M and S phases (P < 0.05, P < 0.01) and decreased at G0/G1 phase (P < 0.01) in the LS plus cisplatin group as well as the cisplatin group. There was no statistical difference in PG cells at each phase between the cisplatin group and the LS plus cisplatin group (P > 0.05). The expression of P16 and Rb1 mRNA increased in the LS group, when compared with the blank control group. They also increased in the cisplatin group and the LS plus cisplatin group, higher than that of the LS group (P < 0.05). There was no statistical difference in the expression of P16 and Rb1 mRNA between the cisplatin group and the LS plus cisplatin group (P > 0.05).

CONCLUSIONLS containing serum induced PG cell apoptosis by up-regulating the mRNA transcription levels of P16 and Rb1, thus resulting in PG cell arrest at G0/G1 and S phases, which was different from the manner of cisplatin (achieved by arresting PG cells at G2/M and S phases through regulating cyclinB1 mRNA transcription).

Apoptosis ; drug effects ; Cell Cycle ; drug effects ; Cell Line, Tumor ; Cell Proliferation ; drug effects ; Cisplatin ; pharmacology ; Drugs, Chinese Herbal ; pharmacology ; Humans ; Lung Neoplasms ; pathology