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Wyszukujesz frazę "Wu, Yuxi" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
COMBINATION OF BERBERINE AND MATRINE AFFECTS APOPTOSIS AND CELLCYCLE IN HUMAN CERVICAL CANCER CELLS
Autorzy:
Zhang, Qijiayu
Sun, Yi
Huang, Yuxi
Sun, Jing
Zhao, Chongbo
Song, Yijun
Wu, Juanhua
Powiązania:
https://bibliotekanauki.pl/articles/895719.pdf
Data publikacji:
2019-12-29
Wydawca:
Polskie Towarzystwo Farmaceutyczne
Tematy:
apoptosis
cervical cancer
Matrine
berberine
Opis:
Cervical cancer is the fourth leading cause of malignancy-related mortality in women worldwide, and effective advanced-stage therapies are urgently required. Berberine is a quaternary ammonium compound extracted from traditional Chinese medicinal herbs, including Phellodendron spp., with antibacterial and antitumor activities. Matrine, the main active ingredient of Sophora flavescens rhizomes, has not only traditionally described health effects but is also widely used for its anticancer, anti-inflammatory, immunoregulatory, antiviral, and hepatoprotective effects. We investigated the antitumor activities of berberine and matrine against human cervical cancer HeLa and SiHa cells using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, along with flow cytometry and western blotting analyses, to assess the effect of the compounds on the cellular status and apoptosis- and cell cycle-related proteins. The 24 h half-maximal inhibitory concentrations (IC50) of berberine and matrine were 123.633 ± 4.278 µmol/L and 9.625 ± 0.245 mmol/L against HeLa cells and 105.067 ± 3.745 µmol/L and 8.50 ± 0.23 mmol/L against SiHa cells, respectively. Berberine plus matrine inhibited cancer cell growth and caused cell cycle arrest. We observed an increased stimulation of apoptosis, which was likely mediated by enhanced levels of caspase-3, caspase-9, and B-cell lymphoma 2 (Bcl-2)-associated X protein (Bax), as well as decreased Bcl-2 protein expression. Cell cycle arrest in the G1 phase was probably mediated by p21 upregulation and cyclin-dependent kinase (Cdk)-4, Cdk-6, and cyclin D1 suppression. Combination treatment with berberine and matrine effectively inhibited human cervical cancer cell proliferation, most likely by stimulating apoptosis and inducing cell cycle arrest.
Źródło:
Acta Poloniae Pharmaceutica - Drug Research; 2019, 76, 6; 1089-1097
0001-6837
2353-5288
Pojawia się w:
Acta Poloniae Pharmaceutica - Drug Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
How China and Chinese people are visually represented: The case of a series of Liberal Studies textbooks in Hong Kong
Autorzy:
Wu, Yuxi
Li, Yulong
Powiązania:
https://bibliotekanauki.pl/articles/18105004.pdf
Data publikacji:
2022-06-30
Wydawca:
Fundacja Pro Scientia Publica
Tematy:
Hong Kong
Liberal Studies
textbooks analysis
critical discourse analysis
visual images
Opis:
Aim. The aim of the research is to examine how Mainland China and Chinese people are represented in the visual materials of four sets of Liberal Studies (LS) textbooks in Hong Kong. Methods. Fairclough’s Critical Discourse Analysis, viewing language as a social practice and van Dijk’s ideological coding categories are integrated to analyze discursive representations (e.g., the embedded hidden power) in the Hong Kong Today volumes published by four influential commercial publishers: Modern, Ming Pao, Marshall, and Aristo. Results. The analysis reveals that China and mainland Chinese are negatively portrayed in visual images in four commercial LS textbooks, in which, the representations concerning mainland China and mainlanders are all found ideologically biased to highlight their negative characteristics and alienness. Conclusions. Via an overview of Hong Kong’s history, economy, educational policies, and controversial political events, the reasons why China and its people are represented negatively in LS textbooks is explained.
Źródło:
Journal of Education Culture and Society; 2022, 13, 1; 403-417
2081-1640
Pojawia się w:
Journal of Education Culture and Society
Dostawca treści:
Biblioteka Nauki
Artykuł
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