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Sun Mengxiong

Hongsheng Wang, Wei Sun, Mengxiong Sun, Zeze Fu, Chenghao Zhou, Chongren Wang, Dongqing Zuo, Zifei Zhou, Gangyang Wang, Tao Zhang, Jing Xu, Jian Chen, Zhuoying Wang, Fei Yin, Zhenfeng Duan, Francis J Hornicek, Zhengdong Cai, Yingqi Hua
Osteosarcoma (OS) is the most common primary malignant bone tumor in children and adolescents. The abilities of chemotherapy resistance are major roadblock in the successful treatment of OS. The clarification of mechanism regarding cell survival during OS chemotherapy are important. Here, we examined HER4 expression by immunohistochemistry in a large series of OS tissues, and found HER4 expression correlated with tumor characteristics and patient survival rates. HER4 knockdown by shRNA inhibited OS cell growth and tumorigenesis, and induced cell senescence and apoptosis in vitro and in vivo...
March 8, 2018: Biochimica et Biophysica Acta
Suoyuan Li, Tao Zhang, Weiguo Xu, Jianxun Ding, Fei Yin, Jing Xu, Wei Sun, Hongsheng Wang, Mengxiong Sun, Zhengdong Cai, Yingqi Hua
PURPOSE: Osteosarcoma is the most common primary bone cancer and is notorious for pulmonary metastasis, representing a major threat to pediatric patients. An effective drug targeting osteosarcoma and its lung metastasis is urgently needed. DESIGN: In this study, a sarcoma-targeting peptide-decorated disulfide-crosslinked polypeptide nanogel (STP-NG) was exploited for enhanced intracellular delivery of shikonin (SHK), an extract of a medicinal herb, to inhibit osteosarcoma progression with minimal systemic toxicity...
2018: Theranostics
Mengxiong Di, Zhenbao Li, Qikun Jiang, Tianyang Wang, Wenjuan Zhang, Zhisu Sun, Jin Sun, Xiaohong Liu
The aim of this study is to develop and validate a rapid, high-selective and sensitive supercritical fluid chromatography/tandem mass spectrometry (SFC-MS/MS) with a multiple reactions monitoring (MRM) mode method for the detection of ezetimibe in dog plasma. Several conditions were optimized systematically as follows: lipid-lipid extraction (LLE) performances were used to extract analytes from dog plasma; an ACQUITY HSS C18 SB (1.8 μm, 3.0 × 100 mm) column was employed to separate the target compounds; the triple-quadrupole mass spectrometry equipped with electrospray ionization (ESI) source was applied to detect ezetimibe...
January 15, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
Hongsheng Wang, Wen Li, Jing Xu, Tao Zhang, Dongqing Zuo, Zifei Zhou, Binhui Lin, Gangyang Wang, Zhuoying Wang, Wei Sun, Mengxiong Sun, Shimin Chang, Zhengdong Cai, Yingqi Hua
This corrects the article DOI: 10.1038/cddis.2017.438.
October 26, 2017: Cell Death & Disease
Hongsheng Wang, Wen Li, Jing Xu, Tao Zhang, Dongqing Zuo, Zifei Zhou, Binhui Lin, Gangyang Wang, Zhuoying Wang, Wei Sun, Mengxiong Sun, Shimin Chang, Zhengdong Cai, Yingqi Hua
Combretastatin A-4 (CA-4), a tubulin-depolymerizing agent, shows promising antitumor efficacy and has been under several clinical trials in solid tumors for 10 years. Autophagy has an important pro-survival role in cancer therapy, thus targeting autophagy may improve the efficacy of antitumor agents. N-myc downstream-regulated gene 1 (NDRG1) is a significant stress regulatory gene, which mediates cell survival and chemoresistance. Here we reported that CA-4 could induce cell-protective autophagy, and combination treatment of CA-4 and autophagy inhibitor chloroquine (CQ) exerted synergistic cytotoxic effect on human osteosarcoma (OS) cells...
September 14, 2017: Cell Death & Disease
Hongxia Zhang, Fen Sun, Jixian Wang, Luokun Xie, Chenqi Yang, Mengxiong Pan, Bei Shao, Guo-Yuan Yang, Shao-Hua Yang, Qichuan ZhuGe, Kunlin Jin
Stroke survivors are typically left with structural brain damage and associated functional impairment in the chronic phase of injury, for which few therapeutic options exist. We reported previously that transplantation of human embryonic stem cell (hESC)-derived neural stem cells together with Matrigel scaffolding into the brains of rats after focal ischemia reduced infarct volume and improved neurobehavioral performance. Matrigel is a gelatinous protein mixture extracted from mouse sarcoma cells, thus would not be approved for use as a scaffold clinically...
April 2017: Aging and Disease
Gangyang Wang, Tao Zhang, Wei Sun, Hongsheng Wang, Fei Yin, Zhuoying Wang, Dongqing Zuo, Mengxiong Sun, Zifei Zhou, Binhui Lin, Jing Xu, Yingqi Hua, Haoqing Li, Zhengdong Cai
Osteosarcoma is a common primary malignant bone tumor, the cure rate of which has stagnated over the past 25-30 years. Arsenic sulfide (As2 S2 ), the main active ingredient of the traditional Chinese medicine realgar, has been proved to have antitumor efficacy in several tumor types including acute promyelocytic leukemia, gastric cancer and colon cancer. Here, we investigated the efficacy and mechanism of As2 S2 in osteosarcoma both in vitro and in vivo. In this study, we demonstrated that As2 S2 potently suppressed cell proliferation by inducing G2/M phase arrest in various osteosarcoma cell lines...
May 2017: Free Radical Biology & Medicine
He Liu, Qiang Lin, Yixian Xie, Huoming Shu, Bo Li, Ge Gao, Kai Xiao, Xiaojun Yao, Runcong Dong, Yanlin Liu, Mengxiong He, Luyong Wu, Zhenfan Sun, Wenying He
1-(4-Bromophenyl)-5-phenyl-1H-1,2,3-triazole (BPT) was a newly synthesized compound. The acute toxicities of BPT to mice by intragastric administration have been determined and the result indicates that the intragastric administration of BPT did not produce any significant toxic effect on Kunming strain mice. It is also evaluated for the antimicrobial activity of BPT against three kinds of plant mycoplasma, Fusarium Wilt (race 4), Colletotrichum gloeosporioides Penz. and Xanthomonas oryzae by different method in vitro...
November 2016: Journal of Photochemistry and Photobiology. B, Biology
Dongqing Zuo, Zifei Zhou, Hongsheng Wang, Tao Zhang, Jie Zang, Fei Yin, Wei Sun, Jiepeng Chen, Lili Duan, Jing Xu, Zhuoying Wang, Chongren Wang, Binhui Lin, Zeze Fu, Yuxin Liao, Suoyuan Li, Mengxiong Sun, Yingqi Hua, Longpo Zheng, Zhengdong Cai
Osteosarcoma (OS) is the most frequent primary malignant bone tumour. Alternol, a novel compound purified from microbial fermentation products exerts anti-tumour effects across several cancer types. The effect of alternol on human OS remains to be elucidated. We first evaluated the anti-tumour effect of alternol in several human OS cell lines in vitro and investigated its underlying mechanism. Alternol inhibited OS cell proliferation, migration and induced caspase-dependent apoptosis, G2/M cell cycle arrest in a dose and time-dependent manner...
February 2017: Journal of Cellular and Molecular Medicine
Mengdong Yuan, Jing Zhu, Cheng Wang, Mengxiong Wu, Faqian Sun, Xingguo Han, Yangyang He, Weixiang Wu
Considering wide utilization and high methane fluxes from anaerobic biological stabilization ponds (ABSPs), understanding the methanogenesis in ABSPs is of fundamental importance. Here we investigated the variation and impact factors of methanogenesis in seven ABSPs that spanned from the north to the south of China. Results showed that methanogen abundance (7.7 × 109 -8.7 × 1010  copies g-1 dry sediment) and methanogenic activities (2.2-21.2 μmol CH4  g-1  dry sediment h-1 ) were considerable for all sediments...
November 2016: Microbial Biotechnology
Zhuoying Wang, Chongren Wang, Zifei Zhou, Mengxiong Sun, Chenghao Zhou, Jian Chen, Fei Yin, Hongsheng Wang, Binhui Lin, Dongqing Zuo, Suoyuan Li, Lijin Feng, Zhenfeng Duan, Zhengdong Cai, Yingqi Hua
CD151, a tetraspanin family protein involved in cell-cell and cell-extracellular matrix interaction, is differentially expressed in osteosarcoma cell membranes. Thus, this study aimed to investigate the role of CD151 in osteosarcoma metastasis. We analyzed CD151 expression in patient tissue samples using immunohistochemistry. CD151 expression was also silenced with shRNA in osteosarcoma cells of high metastatic potential, and cell adhesion, migration and invasion were evaluated in vitro and pulmonary metastasis was investigated in vivo...
September 13, 2016: Oncotarget
Mengxiong Sun, Chenghao Zhou, Hui Zeng, Fei Yin, Zhuoying Wang, Jianzhong Yao, Yingqi Hua, Zhengdong Cai
In this study, we evaluated the photodynamic efficacy of a new photosensitizer, benzochloroporphyrin derivative 18 (BCPD-18), in Ewing sarcoma. We found that BCPD-18 decreased the viability of TC-71 cells irradiated by 670nm laser in a concentration dependent manner. We also observed cells undergoing apoptosis as well as cell cycle arrest at the G2M phase after BCPD-18-mediated photodynamic therapy (BCPD-PDT). In addition, in vivo study (subcutaneous and orthotopic models) showed that BCPD-PDT reduced tumor size, tumor weight and tumor-bearing leg weight...
July 2016: Journal of Photochemistry and Photobiology. B, Biology
Xingguo Han, Xue Sun, Cheng Wang, Mengxiong Wu, Da Dong, Ting Zhong, Janice E Thies, Weixiang Wu
Elevated global temperatures and increased concentrations of carbon dioxide (CO2) in the atmosphere associated with climate change will exert profound effects on rice cropping systems, particularly on their greenhouse gas emitting potential. Incorporating biochar into paddy soil has been shown previously to reduce methane (CH4) emission from paddy rice under ambient temperature and CO2. We examined the ability of rice straw-derived biochar to reduce CH4 emission from paddy soil under elevated temperature and CO2 concentrations expected in the future...
April 19, 2016: Scientific Reports
Xiaojun Ma, Wei Sun, Jiakang Shen, Yingqi Hua, Fei Yin, Mengxiong Sun, Zhengdong Cai
The gelsolin (GSN) has been involved in the regulation of tumor formation and development, but the biological role of GSN in the pathogenesis of osteosarcoma (OS) has not been well characterized. In this study, we show that high expression of GSN was observed in OS tissues and correlated with tumor size, advanced Enneking stage, and poor patient prognosis. Knockdown of GSN significantly inhibited cell proliferation and invasiveness in the OS cell lines. Furthermore, stable overexpression of GSN in OS cells resulted in a significant increase in cell growth and motility with the downregulation of p-AKT and p-P38 pathway...
June 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Mengxiong Wu, Qibo Feng, Xue Sun, Hailong Wang, Gerty Gielen, Weixiang Wu
Conversion of rice straw into biochar for soil amendment appears to be a promising method to increase long-term carbon sequestration and reduce greenhouse gas (GHG) emissions. The stability of biochar in paddy soil, which is the major determining factor of carbon sequestration effect, depends mainly on soil properties and plant functions. However, the influence of plants on biochar stability in paddy soil remains unclear. In this study, bulk and surface characteristics of the biochars incubated without rice plants were compared with those incubated with rice plants using a suite of analytical techniques...
2015: Scientific Reports
Mengxiong Sun, Chenghao Zhou, Hui Zeng, Nahum Puebla-Osorio, Elisabetta Damiani, Jian Chen, Hongsheng Wang, Guodong Li, Fei Yin, Liancheng Shan, Dongqing Zuo, Yuxin Liao, Zhuoying Wang, Longpo Zheng, Yingqi Hua, Zhengdong Cai
This study was carried out to investigate the anti-tumor effect and mechanism of hiporfin-mediated photodynamic therapy (hiporfin-PDT) in osteosarcoma. We found that hiporfin accumulated mainly in the cytoplasm of osteosarcoma cells in a time and concentration-dependent manner. Hiporfin-PDT inhibited the proliferation, induced apoptosis and produced cell cycle arrest at G2M in osteosarcoma cell lines. Hiporfin-PDT increased the expression of cleaved-caspase-3, cleaved PARP-1, Bax and RIP1 while it decreased the expression of Bcl-2; in addition, low concentration of hiporfin increased LC3 conversion...
May 2015: Photochemistry and Photobiology
Hongsheng Wang, Liancheng Shan, Hui Zeng, Mengxiong Sun, Yingqi Hua, Zhengdong Cai
The objective of this study was to evaluate the efficacy and safety of fibrin sealant in patients following total knee arthroplasty (TKA). A comprehensive literature search of the electronic databases PubMed, MEDLINE, Web of Science, and Cochrane Library for published randomized controlled trials (RCTs) was undertaken. The evidence base was critically appraised using a tool from the Cochrane Bone, Joint and Muscle Trauma Group. Eight RCTs involving 641 patients were included. The use of fibrin sealant significantly reduced postoperative drainage (weighted mean difference (WMD) -346, 95% confidence interval (CI) -496...
2014: Journal of Orthopaedic Surgery and Research
Longpo Zheng, Zhengqi Chen, Mengxiong Sun, Hui Zeng, Dongqing Zuo, Yingqi Hua, Zhengdong Cai
BACKGROUND: Thoracolumbar vertebral metastasis (TVM) affects a large number of cancer patients. However, safe and effective palliative care remains controversial. The aim of the present study was to investigate the safety and efficacy of minimally invasive image-guided radiofrequency ablation (RFA) with percutaneous kyphoplasty (PKP) for TVM treatment. MATERIAL AND METHODS: A retrospective study of 26 patients (mean age: 59.31 ± 11.62 years) was conducted, including 38 vertebral metastases at T11, T12, L1, L2, L3, L4, L5, and S1 with abundant blood vessels...
April 4, 2014: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Hongsheng Wang, Dongqing Zuo, Mengxiong Sun, Yingqi Hua, Zhengdong Cai
Adalimumab is a fully human, anti-TNF monoclonal antibody of proven efficacy and safety in the treatment of the signs, symptoms and functional disability of ankylosing spondylitis (AS). A systematic review and meta-analysis was performed to assess the efficacy and safety of adalimumab treatment, relative to a placebo, in adult patients with AS. In the efficacy meta-analysis, significantly more patients in the adalimumab group achieved Assessment in AS International Working Group (ASAS)20 and Bath AS Disease Activity Index (BASDAI)50 compared with patients in the placebo group...
February 2014: International Journal of Rheumatic Diseases
Hui Zeng, Mengxiong Sun, Chenghao Zhou, Fei Yin, Zhuoying Wang, Yingqi Hua, Zhengdong Cai
We investigated the antitumor effect and mechanism of hematoporphyrin monomethyl ether-mediated photodynamic therapy (HMME-PDT) in sarcomas. Intracellular uptake of HMME by osteosarcoma cells (LM8 and K7) was time- and dose-dependent, while this was not observed for myoblast cells (C2C12) and fibroblast cells (NIH/3T3). HMME-PDT markedly inhibited the proliferation of sarcoma cell lines (LM8, MG63, Saos-2, SW1353, TC71, and RD) (P<0.05), and the killing effect was improved with increased HMME concentration and energy intensity...
2013: PloS One
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