Search

Yali Hu,1,2,* Kunpeng Zhang,1,* Xingyao Zhu,1,* Xiuyan Zheng,1 Chao Wang,1 Xiao Niu,1 Teng Jiang,1 Xinhua Ji,1 Weilin Zhao,1 Lijuan Pang,1 Yan Qi,1 Feng Li,1,3 Li Li,4 Zhiping Xu,4 Wenyi Gu,4 Hong Zou1 1Department of Pathology, The First Affiliated Hospital, School of Medicine, Shihezi University, Key Laboratory of Xinjiang Endemic and Ethnic Diseases of the Ministry of Education of China, Xinjiang, 832002, People’s Republic of China; 2Department of Oncology, Yongcheng People’s Hospital, Henan, 476600, People’s Republic of China; 3Department of Pathology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 10000, People’s Republic of China; 4Australian Institute of Bioengineering and Nanotechnology, University of Queensland, Queensland, 4072, Australia*These authors contributed equally to this workCorrespondence: Hong Zou; Wenyi Gu Tel +86 13899528366; +61733464168Email zouhong_patho@163.com; w.gu@uq.edu.auBackground: Colon cancer is a top lethal cancer in man and women worldwide and drug resistance is the major cause of cancer-related death. Combinational therapy and drug delivery with nanoparticles have been shown to effectively overcome drug resistance in many cancers. We previously reported that nanoemulsion (NE) loaded paclitaxel (PTX) and BEZ235 could synergistically inhibit colon cancer cell growth.Purpose: To investigate whether NE loaded PTX and BEZ235 can overcome drug resistance and synergistically inhibit drug-resistant colon cancer cell growth in vitro and in vivo.Methods: The in vitro treatment effect on cell viability was assayed using CCK8 kit, cell morphological change was detected by β-tubulin immunofluorescence staining, drug resistance-related proteins were analyzed by Western blotting, and in vivo tumor growth test was performed in nude mice xeno-transplanted with 2 drug-resistant colon cancer cell lines HCT116-LOHP and HT29-DDP.Results: Both cell lines were sensitive to PTX but relati

Yali Hu,1,2,* Kunpeng Zhang,1,* Xingyao Zhu,1,* Xiuyan Zheng,1 Chao Wang,1 Xiao Niu,1 Teng Jiang,1 Xinhua Ji,1 Weilin Zhao,1 Lijuan Pang,1 Yan Qi,1 Feng Li,1,3 Li Li,4 Zhiping Xu,4 Wenyi Gu,4 Hong Zou1 1Department of Pathology, The First Affiliated Hospital, School of Medicine, Shihezi University, Key Laboratory of Xinjiang Endemic and Ethnic Diseases of the Ministry of Education of China, Xinjiang, 832002, People’s Republic of China; 2Department of Oncology, Yongcheng People’s Hospital, Henan, 476600, People’s Republic of China; 3Department of Pathology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 10000, People’s Republic of China; 4Australian Institute of Bioengineering and Nanotechnology, University of Queensland, Queensland, 4072, Australia*These authors contributed equally to this workCorrespondence: Hong Zou; Wenyi Gu Tel +86 13899528366; +61733464168Email zouhong_patho@163.com; w.gu@uq.edu.auBackground: Colon cancer is a top lethal cancer in man and women worldwide and drug resistance is the major cause of cancer-related death. Combinational therapy and drug delivery with nanoparticles have been shown to effectively overcome drug resistance in many cancers. We previously reported that nanoemulsion (NE) loaded paclitaxel (PTX) and BEZ235 could synergistically inhibit colon cancer cell growth.Purpose: To investigate whether NE loaded PTX and BEZ235 can overcome drug resistance and synergistically inhibit drug-resistant colon cancer cell growth in vitro and in vivo.Methods: The in vitro treatment effect on cell viability was assayed using CCK8 kit, cell morphological change was detected by β-tubulin immunofluorescence staining, drug resistance-related proteins were analyzed by Western blotting, and in vivo tumor growth test was performed in nude mice xeno-transplanted with 2 drug-resistant colon cancer cell lines HCT116-LOHP and HT29-DDP.Results: Both cell lines were sensitive to PTX but relati

High-quality single-walled carbon nanotubes (SWNTs) with narrow diameter distribution can be generated from well-defined Si8O12 nanoclusters structure which form from thermal decomposition of chemically modified polyhedral oligomeric silsesquioxane (POSS). The nanosized SixOy particles were proved to be responsible for the SWNT growth and believed to be the reason for the narrow diameter distribution of the as-grown SWNTs. This could be extended to other POSS. The SWNTs grown from the nanosized SixOy particles were found to be semiconducting enriched SWNTs (s-SWNTs). A facile patterning technology, direct photolithography, was developed for generating SWNT pattern, which is compatible to industrial-level fabrication of SWNTs pattern for device applications. The metal-free growth together with preferential growth of s-SWNTs and patterning in large scale from the structure-defined silicon oxide nanoclusters not only represent a big step toward the control growth of SWNTs and fabrication of devices for applications particularly in nanoelectronics and biomedicine but also provide a system for further studying and understanding the growth mechanism of SWNTs from nanosized materials and the relationship between the structure of SWNT and nonmetal catalysts.

MicroRNA-30c (miR-30c) has been reported to be a tumour suppressor in endometrial cancer (EC). We demonstrate that miR-30c is down-regulated in EC tissue and is highly expressed in estrogen receptor (ER)-negative HEC-1-B cells. MiR-30c directly inhibits MTA-1 expression and functions as a tumour suppressor via the miR-30c-MTA-1 signalling pathway. Furthermore, miR-30c is decreased upon E2 treatment in both ER-positive Ishikawa and ER-negative HEC-1-B cells. Taken together, our results suggest that miR-30c is an important deregulated miRNA in EC and might serve as a potential biomarker and novel therapeutic target for EC.