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Weng, Ling-Ling,Xiang, Jian-Feng,Lin, Jin-Bo,Yi, Shang-Hui,Yang, Li-Tao,Li, Yi-Sheng,Zeng, Hao-Tao,Lin, Sheng-Ming,Xin, Dong-Wei,Zhao, Hai-Liang,Qiu, Shu-Qi,Chen, Tao,Zhang, Min-Guang Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.24
Liver cancer is one of leading digestive malignancies with high morbidity and mortality. There is an urgent need for the development of novel therapies for this deadly disease. It has been proven that asparagus polysaccharide, one of the most active derivates from the traditional medicine asparagus, possesses notable antitumor properties. However, little is known about the efficacy of asparagus polysaccharide as an adjuvant for liver cancer chemotherapy. Herein, we reported that asparagus polysaccharide and its embolic agent form, asparagus gum, significantly inhibited liver tumor growth with transcatheter arterial chemoembolization (TACE) therapy in an orthotopic hepatocellular carcinoma (HCC) tumor model, while significantly inhibiting angiogenesis and promoting tumor cell apoptosis. Moreover, asparagine gelatinous possessed immunomodulatory functions and showed little toxicity to the host. These results highlight the chemotherapeutic potential of asparagus polysaccharide and warrant a future focus on development as novel chemotherapeutic agent for liver cancer TACE therapy.
Zhao, Kexin,Chen, Yingqi,Yu, Fei,Jian, Weng,Zheng, Ming,Zeng, Hui Techno-Press 2022 Advances in nano research Vol.12 No.3
Many studies have shown that Mg-Nd-Zn-Zr (abbreviated as JDBM) alloy has good biocompatibility and biodegradability as well as promotion of cell adhesion, proliferation and differentiation, and Wnt/β-catenin signaling pathway may play a unique role in joint tissue by controlling the function of chondrocytes, osteoblasts and synoviocytes. However, it is not clear whether the JDBM alloy induces osteochondral repair through Wnt/β-catenin signaling pathway. This study aims to verify that JDBM alloy can repair osteochondral defects in rats, which is realized by Wnt/β-catenin signaling pathway. In this study, the osteochondral defect model of the right femoral condyle non-weight-bearing area in rats was established and randomly divided into three groups: Control group, JDBM alloy implantation group and JDBM alloy implantation combined with signaling pathway inhibitor drug ICRT3 injection. It was found that after JDBM alloy implantation, the bone volume fraction (BVF) became larger, the bone trabeculae were increased, the relative expression of osteogenesis gene Runx2, Bmp2, Opn, Ocn and chondrogenesis gene Collagen II, Aggrecan were increased, and the tissue repair was obvious by HE and Masson staining, which could be inhibited by ICRT3.
Nai-Yun Chang,Zeng-Weng Chen,Ter-Hsin Chen,Jiunn-Wang Liao,Cheng-Chung Lin,Maw-Sheng Chien,Wei-Cheng Lee,Jiunn-Horng Lin,Shih-Ling Hsuan 대한수의학회 2014 Journal of Veterinary Science Vol.15 No.1
Exotoxins produced by Actinobacillus (A.) pleuropneumoniae(Apx) play major roles in the pathogenesis of pleuropneumoniain swine. This study investigated the role of ApxI in hemolysisand cellular damage using a novel apxIA mutant, ApxIA336,which was developed from the parental strain A. pleuropneumoniae serotype 10 that produces only ApxI in vitro. The genotype of ApxIA336 was confirmed by PCR, Southernblotting, and gene sequencing. Exotoxin preparation derivedfrom ApxIA336 was analyzed for its bioactivity towardsporcine erythrocytes and alveolar macrophages. Analysisresults indicated that ApxIA336 contained a kanamycinresistantcassette inserted immediately after 1005 bp of theapxIA gene. Phenotype analysis of ApxIA336 revealed nodifference in the growth rate as compared to the parentalstrain. Meanwhile, ApxI production was abolished in thebacterial culture supernatant, i.e. exotoxin preparation. Theinability of ApxIA336 to produce ApxI corresponded to the lossof hemolytic and cytotoxic bioactivity in exotoxin preparation,as demonstrated by hemolysis, lactate dehydrogenase release,mitochondrial activity, and apoptosis assays. Additionally, thevirulence of ApxIA336 appeared to be attenuated by 15-fold inBALB/c mice. Collectively, ApxI, but not other components inthe exotoxin preparation of A. pleuropneumoniae serotype 10,was responsible for the hemolytic and cytotoxic effects onporcine erythrocytes and alveolar macrophages.