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The monophyletic group Caniformia (dog-like carnivores) in the order Carnivora comprises 9 families. However, the interfamilial relationship of Caniformia, particularly the phylogenetic placement of Ursidae, remains a controversial issue among researchers.
A research group headed by academician ZHANG Yaping from Kunming Institute of Zoology, Chinese Academy of Sciences made a study on phylo... more |
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The ground beetle of Eupolyphaga sinensis Walker has been used as traditional anti-thrombosis medicine without bleeding risk for several hundreds years and is presently reared as a medicinal insect in China. Recently, fibrinolytic activities have been found in this insect but the component and its detailed mechanism were not characterized and revealed.
In order to identify and characterize ... more |
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| Co-infection with Human Immunodeficiency Virus (HIV), Hepatitis B Virus (HBV), and Hepatitis C Virus (HCV) is highly prevalent in intravenous drug users (IDUs). Because of the proximity to the “Golden Triangle”, HIV prevalence among the IDUs is very high in the China-Myanmar border region. However, there are few studies about co-infection with HIV and HCV and/or HBV, especially in the region ... more |
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TheH43Y variant of TRIM5α gene might protect against HIV-1 infection in Chinese intravenous drug users, suggested LIU Fengliang, a Ph.D. candidate at Kunming Institute of Zoology, Chinese Academy of Sciences.
TRIM5α has species-specific restriction activity against HIV-1, the most common and pathogenic strain of virus. Though human also express TRIM5α protein, it is less potent in suppre... more |
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During the Last Glacial Maximum (LGM) around 20 thousand years ago, the ice sheet had extended whereas the see level had dropped. This situation had been turned over after the LGM as the climate became warmer. As a result, the eustatic movement occurred in the coastal regions of mainland and islands, and was likely to influence human dispersals in these regions.
In East Asia, the formation ... more |
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