• 제목/요약/키워드: Chinese Medical Journal

검색결과 1,606건 처리시간 0.023초

19세기 중국에서 활동한 의료선교사(醫療宣敎師)는 왜 중약(中藥)을 연구하였을까 (Why did the medical missionaries study traditional Chinese drugs in 19th century in China?)

  • 조정은
    • 한국의사학회지
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    • 제27권1호
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    • pp.77-86
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    • 2014
  • The paper describes the practice and purpose of the medical missionaries research on the traditional Chinese drugs(中藥). Searches were made using the journal of the China Medical Missionary Association. The China Medical Missionary Association established the committee of the Chinese Materia Medica in 1890. This committee aimed to research on the traditional Chinese drugs. Then why did the medical missionaries study traditional Chinese drugs? This is because the western drugs(西洋藥)was not easy to acquire, especially in land areas. Also, some western drugs have poor quality and expensive. Therefore they need to understand that Chinese drugs will help in the production of the western drugs. But from around 1920, the main purpose of the research was changed. The scientific and systematic investigation on the Chinese medicine itself became more important. And this change partly influenced that medical missionaries' views on traditional Chinese drugs.

A comprehensive quality analysis of randomized controlled clinical trials of Asian ginseng and American ginseng based on the CONSORT guideline

  • Chen, Weijie;Li, Xiuzhu;Chen, Zhejie;Hao, Wei;Yao, Peifen;Li, Meng;Liu, Kunmeng;Hu, Hao;Wang, Shengpeng;Wang, Yitao
    • Journal of Ginseng Research
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    • 제46권1호
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    • pp.71-78
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    • 2022
  • Ginseng is an international herb that has been used for thousands of years. Two species most commonly applied and investigated in the ginseng family are Asian ginseng and American ginseng. The number of randomized controlled clinical trials (RCTs) has conspicuously increased, driven by the rapid development of ginseng. However, the reporting of RCT items of ginseng is deficient because of different trial designs and reporting formats, which is a challenge for researchers who are looking for the data with high quality and reliability. Thus, this study focused on providing an extensive analysis of these two species and examined the quality of the RCTs, based on the Consolidated Standards of Reporting Trials (CONSORT) guideline. Ninety-one RCTs conducted from 1980 to 2019 that were related to Asian ginseng and American ginseng used singly met our inclusion criteria. We found that the reporting quality of the two species has improved during the past 40 years. Publication date and sample size were significantly associated with the reporting quality. Rigorous RCTs designed for the species of ginseng are warranted, which can shed light on product research and development of ginseng in the future.

P3H4 promotes renal cell carcinoma progression and suppresses antitumor immunity via regulating GDF15-MMP9-PD-L1 axis

  • Tian, Shuo;Huang, Yan;Lai, Dong;Wang, Hanfeng;Du, Songliang;Shen, Donglai;Chen, Weihao;Xuan, Yundong;Lu, Yongliang;Feng, Huayi;Zhang, Xiangyi;Zhao, Wenlei;Wang, Chenfeng;Wang, Tao;Wu, Shengpan;Huang, Qingbo;Niu, Shaoxi;Wang, Baojun;Ma, Xin;Zhang, Xu
    • Advances in nano research
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    • 제12권6호
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    • pp.639-652
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    • 2022
  • The prolyl 3-hydroxylase family member 4 (P3H4), is associated with post-translational modification of fibrillar collagens and aberrantly activated in cancer leading to tumor progression. However, its role in clear cell renal cell carcinoma (ccRCC) is still unknown. Here we reported that P3H4 was highly expressed in renal cancer tissues and significantly positive correlated with poor prognosis. Knockdown of P3H4 inhibited the proliferation, migration and metastasis of renal cancer cells in vitro and in vivo, and also, overexpression of it enhanced the oncogenic process. Mechanistically, P3H4 depletion decreased the levels of GDF15-MMP9 axis and repressed its downstream signaling. Further functional studies revealed that inhibition of GDF15 suppressed renal cancer cell growth and GDF15 recombinant human protein (rhGDF15) supplementation effectively rescued the inhibitory effect induced by P3H4 knockdown. Moreover, decreased levels of MMP9 caused by inhibition of P3H4-GDF15 signaling constrained the expression of PD-L1 and suppression of P3H4 accordingly promoted anti-tumor immunity via stimulating the infiltration of CD4+ and CD8+ T cells in syngeneic mice model. Taken together, our findings firstly demonstrated that P3H4 promotes ccRCC progression by activating GDF15-MMP9-PD-L1 axis and targeting P3H4-GDF15-MMP9 signaling pathway can be a novel strategy of controlling ccRCC malignancy.

Ginsenosides Rg1 regulate lipid metabolism and temperature adaptation in Caenorhabditis elegans

  • Hao Shi ;Jiamin Zhao ;Yiwen Li ;Junjie Li ;Yunjia Li;Jia Zhang ;Zhantu Qiu ;Chaofeng Wu ;Mengchen Qin ;Chang Liu ;Zhiyun Zeng ;Chao Zhang ;Lei Gao
    • Journal of Ginseng Research
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    • 제47권4호
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    • pp.524-533
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    • 2023
  • Background: Obesity is a risk factor for aging and many diseases, and the disorder of lipid metabolism makes it prominent. This study aims to investigate the effect of ginsenoside Rg1 on aging, lipid metabolism and stress resistance Methods: Rg1 was administered to Caenorhabditis elegans (C. elegans) cultured in NGM or GNGM. The lifespan, locomotory activity, lipid accumulation, cold and heat stress resistance and related mRNA expression of the worms were examined. Gene knockout mutants were used to clarify the effect on lipid metabolism of Rg1. GFP-binding mutants were used to observe the changes in protein expression Results: We reported that Rg1 reduced lipid accumulation and improved stress resistance in C. elegans. Rg1 significantly reduced the expression of fatty acid synthesis-related genes and lipid metabolism-related genes in C. elegans. However, Rg1 did not affect the fat storage in fat-5/fat-6 double mutant or nhr-49 mutant. Combined with network pharmacology, we clarified the possible pathways and targets of Rg1 in lipid metabolism. In addition, Rg1-treated C. elegans showed a higher expression of anti-oxidative genes and heat shock proteins, which might contribute to stress resistance Conclusion: Rg1 reduced fat accumulation by regulating lipid metabolism via nhr-49 and enhanced stress resistance by its antioxidant effect in C. elegans.

중의학 교육의 전문화에 대한 연구 (Study of the Professionalization of Education for Traditional Chinese Medicine)

  • 권영규;이현지
    • 동의생리병리학회지
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    • 제19권4호
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    • pp.860-864
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    • 2005
  • Nowadays most of scholarship is based on the western model. Traditional Chinese Medical education system also follows the western medical education. In the views of medical sociology, it shows very interesting phenomenon that the modernization of traditional area follows the western model of modernization. Moreover, it provides a good chance to discuss whether modernization and westernization of tradition is real development or not. Traditional Chinese Medicine had been the only institutional medicine in China for a long time. But the status of Traditional Chinese Medicine has been changed very rapidly since modern era. Shanghai Traditional Chinese Medical School was established in 1916. But National Party government tried to abolish Traditional Chinese Medicine and it met a crisis of maintenance. But the situation has been dramatically changed when Communist Party got the power in 1949. The Communist Government needed a chief medical service. And Traditional Chinese Medicine could meet the condition. Traditional Chinese Medicine could provide also the ideology of national superiority. Therefore, Traditional Chinese Medicine has been protected and developed by the assistance of the Communist Party. In the process, Traditional Chinese Medical education has been professionalized.

Prebiotics enhance the biotransformation and bioavailability of ginsenosides in rats by modulating gut microbiota

  • Zhang, Xiaoyan;Chen, Sha;Duan, Feipeng;Liu, An;Li, Shaojing;Zhong, Wen;Sheng, Wei;Chen, Jun;Xu, Jiang;Xiao, Shuiming
    • Journal of Ginseng Research
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    • 제45권2호
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    • pp.334-343
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    • 2021
  • Background: Gut microbiota mainly function in the biotransformation of primary ginsenosides into bioactive metabolites. Herein, we investigated the effects of three prebiotic fibers by targeting gut microbiota on the metabolism of ginsenoside Rb1 in vivo. Methods: Sprague Dawley rats were administered with ginsenoside Rb1 after a two-week prebiotic intervention of fructooligosaccharide, galactooligosaccharide, and fibersol-2, respectively. Pharmacokinetic analysis of ginsenoside Rb1 and its metabolites was performed, whilst the microbial composition and metabolic function of gut microbiota were examined by 16S rRNA gene amplicon and metagenomic shotgun sequencing. Results: The results showed that peak plasma concentration and area under concentration time curve of ginsenoside Rb1 and its intermediate metabolites, ginsenoside Rd, F2, and compound K (CK), in the prebiotic intervention groups were increased at various degrees compared with those in the control group. Gut microbiota dramatically responded to the prebiotic treatment at both taxonomical and functional levels. The abundance of Prevotella, which possesses potential function to hydrolyze ginsenoside Rb1 into CK, was significantly elevated in the three prebiotic groups (P < 0.05). The gut metagenomic analysis also revealed the functional gene enrichment for terpenoid/polyketide metabolism, glycolysis, gluconeogenesis, propanoate metabolism, etc. Conclusion: These findings imply that prebiotics may selectively promote the proliferation of certain bacterial stains with glycoside hydrolysis capacity, thereby, subsequently improving the biotransformation and bioavailability of primary ginsenosides in vivo.

Triptolide Inhibits Proliferation and Induces Apoptosis of Human Melanoma A375 Cells

  • Tao, Yue;Zhang, Meng-Li;Ma, Peng-Cheng;Sun, Jian-Fang;Zhou, Wu-Qing;Cao, Yu-Ping;Li, Ling-Jun
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권4호
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    • pp.1611-1615
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    • 2012
  • Triptolide, a diterpenoid obtained from Tripteryglum wilfordii Hook.f, has attracted interest for its antitumor activities against human tumor cell lines in recent years. This report focuses on anti-proliferative and pro-apoptotic activities in human melanoma A375 cells assessed by CCK8 assay, Hoechst 33258 staining and flow cytometry. In addition, triptolide-induced arrest in the S phase was also observed. Caspase assays showed the apoptosis induced by triptolide was caspase-dependent and probably through intrinsic apoptotic pathways. Furthermore, expression of NF-${\kappa}B$ (p65) and its downstream factors such as Bcl-2, Bcl-$X_L$ was down-regulated. Taken together, the data indicate that triptolide inhibits A375 cells proliferation and induces apoptosis by a caspase-dependent pathway and through a NF-${\kappa}B$-mediated mechanism.