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https://www.readbyqxmd.com/read/28945037/-purification-and-cytotoxicity-of-glycoprotein-isolated-from-dendrobium-huoshanense
#1
Hui Deng, Nai-Dong Chen, Jun Dai, Nai-Fu Chen
Dendrobium huoshanense is a rare traditional Chinese medicinal herb, and the anti-tumor activity of its polysaccharides is a research hotspot in traditional Chinese medicine resources domain. This study aims to explore the material basis for the anti-tumor activity of polysaccharide. D. huoshanense was used as raw material in the experiment, and the different protein components were obtained through low salt solution extraction and ammonium sulfate fractional precipitation. Then glycoprotein components were determined by SDS-PAGE electrophoresis staining, and were further isolated and purified by DEAE ion column and Sephadex gel column...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28944998/enhanced-immune-response-induced-by-p5-her2-neu-derived-peptide-pulsed-dendritic-cells-as-a-preventive-cancer-vaccine
#2
Zahra Gholizadeh, Jalil Tavakkol-Afshari, Amin Reza Nikpoor, Seyed Amir Jalali, Mahmoud Reza Jaafari
Dendritic cells are special and powerful antigen-presenting cells that can induce primary immune responses against tumour-associated antigens. They can present antigens via both MHC-I and MHC-II, so they have the ability to stimulate both cytotoxic T lymphocytes and T helper cells. Furthermore, CD8(+) cytotoxic T lymphocytes require activation by CD4(+) T cells. This requires a CD4(+) T cell activator molecule, of which PADRE is one of the best. We chose an approach to use both of these important arms of the immune system...
September 25, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28944962/hpv-e6-protein-enriches-the-cd55-population-in-cervical-cancer-cells-promoting-radio-resistance-and-cancer-aggressiveness
#3
Thomas Ho-Yin Leung, Hermit Wai-Man Tang, Michelle Kwan-Yee Siu, David Wai Chan, Karen Kar-Loen Chan, Annie Nga-Yin Cheung, Hextan Yuen-Sheung Ngan
Accumulating evidence indicates that the human papilloma virus (HPV) E6 protein plays a crucial role in the development of cervical cancer. Sub-populations of cells that reside within tumors are responsible for tumor resistance to cancer therapy and recurrence. However, the identity of such cells residing in cervical cancer and their relationship with the HPV-E6 protein have not been identified. Here, we isolated sphere-forming cells, which exhibited self-renewal ability, from primary cervical tumors. Gene expression profiling revealed that CD55 was upregulated in primary cervical cancer sphere cells...
September 25, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28944929/oncogenic-mir%C3%A2-132-sustains-proliferation-and-self%C3%A2-renewal-potential-by-inhibition-of-polypyrimidine-tract%C3%A2-binding-protein-2-in-glioblastoma-cells
#4
Silong Lou, Jia Ji, Xin Cheng, Jian Ruan, Rong Li, Zhengjun Guo
Glioblastoma multiforme (GBM) is the leading type of brain tumor, exhibiting unlimited proliferation and invasion potential. The present study indicated that a high expression level of miR‑132 was detected in the neural subtype of GBM and predicted an unfavorable prognosis for patients from The Cancer Genome Atlas cohort (n=526). Cox hazard regression analysis demonstrated miR‑132 as an independent prognostic indicator for GBM patients. Further in vitro experiments indicated that miR‑132 promoted the proliferation and sphere formation of U87 cells...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944922/microrna%C3%A2-372-inhibits-proliferation-and-induces-apoptosis-in-human-breast-cancer-cells-by-directly-targeting-e2f1
#5
Ya-Xin Zhao, Hua-Cheng Liu, Wei-Yang Ying, Cheng-Yu Wang, Yao-Jun Yu, Wei-Jian Sun, Jie-Fan Liu
Breast cancer is the most prevalent cancer and the leading cause of cancer‑associated mortalities among women worldwide today. Accumulating evidence suggested that miR‑372 may serve important roles in the initiation and development of various human cancers. However, the role of miR‑372 in breast cancer remains unknown. The present study demonstrated that the expression level of miR‑372 in human breast cancer tissues and cell lines is significantly reduced compared with normal breast tissues cell lines...
September 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944918/microrna%C3%A2-340-inhibits-tumor-cell-proliferation-migration-and-invasion-and-induces-apoptosis-in-hepatocellular-carcinoma
#6
Ziyao Wang, Dan Song, Ping Huang
MicroRNAs (miRs) are short RNAs that serve a role in the origination and progression of hepatocellular carcinoma (HCC). miR‑340 has been identified to be a novel tumor suppressor. The present study investigated the antitumor function of miR‑340 in HCC. In the present study, it was detected that miR‑340 was significantly decreased in HCC cancer tissues and human HCC cell lines using reverse transcription‑quantitative polymerase chain reaction analysis. Cell Counting kit‑8 and apoptosis assays demonstrated that miR‑340 reduced cell proliferation and induced cellular apoptosis in HCC cell lines...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944917/application-of-a-co%C3%A2-expression-network-for-the-analysis-of-aggressive-and-non%C3%A2-aggressive-breast-cancer-cell-lines-to-predict-the-clinical-outcome-of-patients
#7
Ling Guo, Kun Zhang, Zhitong Bing
Breast cancer metastasis is a demanding problem in clinical treatment of patients with breast cancer. It is necessary to examine the mechanisms of metastasis for developing therapies. Classification of the aggressiveness of breast cancer is an important issue in biological study and for clinical decisions. Although aggressive and non‑aggressive breast cancer cells can be easily distinguished among different cell lines, it is very difficult to distinguish in clinical practice. The aim of the current study was to use the gene expression analysis from breast cancer cell lines to predict clinical outcomes of patients with breast cancer...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944911/microrna%C3%A2-3666-inhibits-breast-cancer-cell-proliferation-by-targeting-sirtuin-7
#8
Di Li, Lifei Li
The abnormal expression of microRNAs (miRNAs) is associated with cancer initiation and progression. miRNAs functioning as oncogenes or tumor suppressors represent novel biomarkers for cancer diagnosis, prognosis, and serve as therapeutic tools. MiR‑3666 has been reported as a tumor suppressor in various types of cancer; however, its role in breast cancer remains unknown. In the current study, the aim was to investigate the potential role of miR‑3666 in breast cancer. It was identified that miR‑3666 was decreased in breast cancer cell lines and that the overexpression of miR‑3666 inhibited breast cancer cell proliferation...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944910/sh003%C3%A2-induced-g1-phase-cell-cycle-arrest-induces-apoptosis-in-hela-cervical-cancer-cells
#9
Kang Min Lee, Kangwook Lee, Youn Kyung Choi, Yu-Jeong Choi, Hye-Sook Seo, Seong-Gyu Ko
Cervical cancer is a prevalent disease that may lead to mortality in women. In spite of the development of common therapeutic agents to treat cancer, there are several limitations of their use owing to side effects and drug resistance, which may induce cancer recurrence. The anticancer effects of the new herbal mixture SH003 (comprising Astragalus membranaceus, Angelica gigas and Trichosanthes kirilowii Maximowicz) have been examined in various types of cancer. Thus, the present study hypothesized that SH003 may be an effective treatment for cervical cancer...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944896/microrna%C3%A2-186-targets-igf%C3%A2-1r-and-exerts-tumor%C3%A2-suppressing-functions-in-glioma
#10
Jian Jiang, Weijie Wang, Dazhao Fang, Xiaodong Jin, Lianshu Ding, Xiaoyang Sun
Glioma is the most common malignant brain tumor in adults and represents one of the most aggressive and life‑threatening types of cancer in humans. Increasing studies have revealed that microRNAs are abnormally expressed in various types of human cancer, and have oncogenic or tumor suppressive roles, which depend primarily on the type of cancer. The present study aimed to investigate the expression level and effects of microRNA‑186 (miR‑186) on glioma, and its underlying molecular mechanism. Reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) analysis was performed to detect the expression of miR‑186 in glioma tissues and cell lines...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944890/paeonol-exerts-potential-activities-to-inhibit-the-growth-migration-and-invasion-of-human-gastric-cancer-bgc823-cells-via-downregulating-mmp%C3%A2-2-and-mmp%C3%A2-9
#11
Zhong-Kuan Lyu, Chang-Ling Li, Yan Jin, Yu-Zhao Liu, Xi Zhang, Fang Zhang, Lu-Ning Ning, Er-Shun Liang, Min Ma, Wei Gao, Ming-Xiang Zhang, De-Shan Liu
Paeonol (Pae) is an herbal extract that has attracted extensive attention for its anti‑cancer effects demonstrated by a number of studies, which have predominantly demonstrated inhibition of cell proliferation and induction of apoptosis. The influence of Pae on cancer cell metastasis has been less widely reported. The present study aimed to investigate the under‑reported effects of Pae on the growth, invasion and migration of poorly differentiated BGC823 gastric cancer cells with strong invasive and metastatic abilities...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944887/microrna%C3%A2-212-inhibits-colorectal-cancer-cell-viability-and-invasion-by-directly-targeting-pik3r3
#12
Jian Zhang, Yongkang Zhang, Xiaoyun Li, Hongbo Wang, Quan Li, Xiaofeng Liao
Colorectal cancer (CRC) is the third most common cancer and the fourth most common cause of cancer‑associated mortalities worldwide. Emerging evidence has shown that abnormal microRNA (miRNA) expression contributes to CRC carcinogenesis and progression by inhibiting the expression of their target genes. Therefore, investigating the expression patterns and roles of miRNAs specifically involved in CRC formation, and progression would help expand our knowledge on CRC and provide novel therapeutic targets for CRC treatment...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944886/sulforaphane-induces-p53%C3%A2-deficient-sw480-cell-apoptosis-via-the-ros%C3%A2-mapk-signaling-pathway
#13
Hai Lan, Hongyin Yuan, Congyao Lin
Sulforaphane (SFN) has been revealed to inhibit the growth and induce apoptosis of cancer cells. However, the detailed anticancer effects of SFN on p53‑deficient colon cancer cells has yet to be clearly elucidated. The present study employed p53‑deficient SW480 cells to establish an SFN‑induced in vitro model of apoptosis. The critical events leading to apoptosis were then evaluated in SFN‑treated p53‑deficient SW480 cells, by performing an MTT assay, flow cytometry, western blotting and ELISA. The results demonstrated that SFN at concentrations of 5, 10, 15 and 20 µM induced mitochondria‑associated cell apoptosis, which was further confirmed by disruption of the mitochondrial membrane potential, an increase in the Bax/Bcl‑2 ratio, as well as activation of caspase‑3, ‑7 and ‑9...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944881/folate%C3%A2-targeted-polymeric-micelles-loaded-with-superparamagnetic-iron-oxide-as-a-contrast-agent-for-magnetic-resonance-imaging-of-a-human-tongue-cancer-cell-line
#14
Min-Yi Cui, Zhi Dong, Huasong Cai, Kun Huang, Yi Liu, Zhuangnian Fang, Xiangmin Li, Yanji Luo
The aim of the present study was to investigate the feasibility of using folate‑targeted superparamagnetic iron oxide nanoparticles (SPIO) as a magnetic resonance (MR) contrast agent that targets human tongue cancer cells. Folate‑targeted and folate‑free bilayer micelles composed of a diblock copolymer of polyethylene glycol (PEG) and poly‑caprolactone (PCL) that encapsulated SPIO in their hydrophobic core (SPIO‑PEG‑PCL micelles) were synthesized. The cytotoxicity of each set of micelles towards Tca‑8113 cells was examined using methyl thiazolyl tetrazolium (MTT) assays...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944877/sparcl1-suppresses-cell-migration-and-invasion-in-renal-cell-carcinoma
#15
Hui Ye, Wei-Gang Wang, Jun Cao, Xi-Chun Hu
Previous studies have shown that the human SPARC‑like 1 (SPARCL1) is crucial for human cancer migration and invasion. In the present study, the expression, biological function and possible molecular regulatory mechanisms of SPARCL1 were investigated in human renal cell carcinoma (RCC). The protein expression of SPARCL1 in cells was evaluated using western blot analysis and immunohistochemical staining in the tissue microarray. The effects of SPARCL1 on the biological behaviors of RCC cells were assessed using in vitro assays...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944870/effect-of-integrin%C3%A2-linked-kinase-gene-silencing-on-microrna-expression-in-ovarian-cancer
#16
Dandan Yuan, Yilei Zhao, Yang Wang, Jianhua Che, Wenhua Tan, Yuxia Jin, Fei Wang, Peiliang Li, Shuyan Fu, Qian Liu, Wenliang Zhu
Integrin‑linked kinase (ILK) is overexpressed in ovarian cancer (OC), and ILK gene silencing results in apoptosis in OC cells. In the present study, the mechanism by which ILK induces apoptosis was explored from the perspective of microRNA (miRNA) expression. Alterations in the global miRNA expression profile were detected using a miRNA microarray after OC cells were transduced with an ILK small hairpin RNA lentivirus. ILK silencing led to a significant upregulation of 14 miRNAs by at least 1.5‑fold. These findings were validated by reverse transcription‑quantitative polymerase chain reaction...
September 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944868/microrna%C3%A2-198-contributes-to-lupus-nephritis-progression-by-inhibition-of-phosphatase-and-tensin-homology-deleted-on-chromosome-ten-expression
#17
Danyu Cui, Dingji Zhu, Hao Ren, Jingli Lin, Weinan Lai, Qin Huang, Jinjun Zhao, Min Yang
A number of short noncoding microRNAs (miRs) have been demonstrated to be highly expressed in many kidney diseases such as renal cancer and lupus nephritis (LN); however, these results have not been extensively investigated. The aim of the present study was to investigate the expression and function of miR‑198 in LN based on the previous studies. miR‑198 expression level in systemic lupus erythematosus (SLE) patients was determined to determine its clinicopathological significance and effect on glomerular cell proliferation...
September 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944863/microrna%C3%A2-509-acts-as-a-tumor-suppressor-in-tongue-squamous-cell-carcinoma-by-targeting-epidermal-growth-factor-receptor
#18
Chao Hou, Yan Dong, Fenghe Zhang, Bo Du
Tongue squamous cell carcinoma (TSCC) is the most frequent type of oral carcinoma, and is characterized by high metastatic and growth capabilities. Previous studies have demonstrated that aberrantly expressed cancer‑associated microRNAs (miRs) may be associated with tumorigenesis and tumor development in various types of cancer, including TSCC. miR‑509 has been identified as a critical regulator in tumorigenesis and tumor development, via its tumor‑suppressing actions in several types of human cancer...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944862/ing2-a-tumor-associated-gene-enhances-pai%C3%A2-1-and-hspa1a-expression-with-hdac1-and-msin3a-through-the-phd-domain-and-c%C3%A2-terminal
#19
Chiyo Ohkouchi, Kensuke Kumamoto, Motonobu Saito, Teruhide Ishigame, Shin-Ichi Suzuki, Seiichi Takenoshita, Cutis C Harris
Inhibitor of growth 2 (ING2) is involved in chromatin remodeling and it has previously been suggested that ING2 may regulate gene expression. The authors previously identified matrix metalloproteinase 13 (MMP13) as a target gene of ING2 in colorectal cancer. The aim of the present study was to identify novel genes regulated by ING2 and histone deacetylase 1 (HDAC1) and to clarify the biological significance of the ING2 structure. The present study generated the point mutant constructs of ING2 and deletion constructs consisting of partial ING2 to investigate the effect on gene expression and verify the interaction with HDAC1, mSin3A and sap30...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944853/kisspeptin-inhibits-cancer-growth-and-metastasis-via-activation-of-eif2ak2
#20
Tae-Hun Kim, Sung-Gook Cho
Kisspeptin is a protein encoded by the KISS1 gene, which has been reported to suppress the metastatic capabilities of various types of cancer cells, through the activation of its G‑protein coupled receptor GPR54. However, the molecular mechanisms underlying the involvement of kisspeptin‑mediated signaling in the inhibition of cancer cell migration and invasion have yet to be elucidated. The present in vitro cell proliferation, migration and invasion assays and in vivo experimental metastasis studies demonstrated that kisspeptin‑induced eukaryotic translation initiation factor 2α kinase 2 (EIF2AK2) activation suppressed the metastatic capabilities of several types of cancer cells...
September 21, 2017: Molecular Medicine Reports
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