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https://www.readbyqxmd.com/read/28811688/genetic-variation-in-cd166-gene-and-its-association-with-bladder-cancer-risk-in-north-indian-population
#1
Archana Verma, Rakesh Kapoor, Rama Devi Mittal
Adhesion molecules play a key role in cancer progression and tumorigenesis. Genetic polymorphism of adhesion molecules may alter the normal functioning thereby leading to bladder cancer susceptibility. Hence we aimed to evaluate three SNPs of CD166 gene (CD166rs6437585 C/T, CD166rs10511244 C/T, and CD166rs1157 A/G) in bladder cancer patients and normal controls of North Indian population. A total of 270 healthy controls and 240 confirmed bladder cancer patients were recruited for this study. Three SNPs of CD166 gene viz...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28810654/roles-of-p38-and-jnk-protein-kinase-pathways-activated-by-compound-cantharidin-capsules-containing-serum-on-proliferation-inhibition-and-apoptosis-of-human-gastric-cancer-cell-line
#2
Yonghao Sun, Dejuan Zhang, Mao Mao, Yangping Lu, Ning Jiao
The aim of the present study was to investigate the inhibitory effect of compound cantharides capsules (CCCs) on the viability and apoptosis of human gastric cancer cell lines, BGC-823 and SGC-7901, and to detect its regulation of gene expression levels, as well as its inhibition mechanisms. Each cell line was grouped into a control group, CCC serum group, 5-fluorouracil (5-FU) group, combination therapy group (CCC serum + 5-FU) and serum control group. Growth curves were measured and flow cytometry was used to detect cell apoptosis and cell viability...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28768242/slc3a2-antigen-of-mab-3g9-promotes-migration-and-invasion-by-upregulating-of-mucins-in-gastric-cancer
#3
Shanshan Wang, Haibo Han, Ying Hu, Wei Yang, Yunwei Lv, Limin Wang, Lianhai Zhang, Jiafu Ji
Solute carrier family 3 member 2 (SLC3A2) has been reported to be highly expressed in a variety of carcinomas. However, the function of SLC3A2 in gastric carcinoma (GC) has not been well explored. Monoclonal antibody (mAb) 3G9, generated from immunogen of various human GC cell lines, has been shown to bind to GC tissues specifically. In this study, we identified the target antigen of mAb 3G9 as SLC3A2, and detected the expression profile of SLC3A2 in a panel of gastric cancer cell lines and GC tumor tissues...
July 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28764915/cytotoxic-oleanane-triterpenoid-saponins-from-albizia-julibrissin
#4
Qinghua Han, Yi Qian, Xuda Wang, Qingying Zhang, Jingrong Cui, Pengfei Tu, Hong Liang
Bioassay-guided fractionation of the ethanolic extract of the stem bark of Albizia julibrissin led to the isolation of ten new oleanane-type triterpenoid saponins, julibrosides J37-J46 (1-10), along with six known analogues (11-16). In addition, 11 prosapogenins (17-27) were prepared by mild or strong alkaline hydrolysis of the total saponin. The structures of 1-27 were determined by spectroscopic and chemical means, and their cytotoxicities against four human cancer cell lines, BGC-823, A549, HCT-116, and HepG2 were evaluated...
July 29, 2017: Fitoterapia
https://www.readbyqxmd.com/read/28759561/regenerating-family-member-4-reg4-enhances-5-fluorouracil-resistance-of-gastric-cancer-through-activating-mapk-erk-bim-signaling-pathway
#5
Jiaoyue Jin, Hang Lv, Junzhou Wu, Dan Li, Kaiyan Chen, Fanrong Zhang, Jing Han, Jianguo Feng, Nan Zhang, Herbert Yu, Dan Su, Lisha Ying
BACKGROUND Reg4, a member of the Reg multigene family, is highly upregulated in many gastrointestinal cancers including gastric cancer (GC). The enhanced expression of Reg4 is associated with the resistance of GC to 5-fluorouracil (5-FU), while the underlying mechanism is not clear. The aim of the present study was to explore the resistant mechanism underlying 5-FU resistance. MATERIAL AND METHODS Reg4 expression was assessed by Western blot analysis for SGC-7901, BGC-823, AGS, MKN28, and MKN45. Synthetic short single strand RNA oligonucleotides and Flag-Reg4 plasmid were used to investigate the biological function of Reg4 in vitro...
July 31, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28757064/synthesis-and-anti-tumor-evaluation-of-panaxadiol-halogen-derivatives
#6
Shengnan Xiao, Shuai Chen, Yuanyuan Sun, Wuxi Zhou, Huri Piao, Yuqing Zhao
In the current work, 13 novel panaxadiol (PD) derivatives were synthesized by reacting with chloroacetyl chloride and bromoacetyl bromide. Their in vitro antitumor activities were evaluated on three human tumor cell lines (HCT-116, BGC-823, SW-480) and three normal cells (human gastric epithelial cell line-GES-1, hair follicle dermal papilla cell line-HHDPC and rat myocardial cell line-H9C2) by MTT assay. Compared with PD, the results demonstrated that compound 1e, 2d, 2e showed significant anti-tumor activity against three tumor cell lines, the IC50 value of compound 2d against HCT-116 was the lowest (3...
June 24, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28754806/impact-of-balloon-guide-catheter-on-technical-and-clinical-outcomes-a-systematic-review-and-meta-analysis
#7
Waleed Brinjikji, Robert M Starke, M Hassan Murad, David Fiorella, Vitor M Pereira, Mayank Goyal, David F Kallmes
BACKGROUND AND PURPOSE: Flow arrest with balloon guide catheters (BGCs) is becoming increasingly recognized as critical to optimizing patient outcomes for mechanical thrombectomy. We performed a systematic review and meta-analysis of the literature for studies that compared angiographic and clinical outcomes for patients who underwent mechanical thrombectomy with and without BGCs. MATERIALS AND METHODS: In April 2017 a literature search on BGC and mechanical thrombectomy for stroke was performed...
July 28, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28752948/genomic-insights-into-specialized-metabolism-in-the-marine-actinomycete-salinispora
#8
Anne-Catrin Letzel, Li Jing, Gregory Amos, Natalie Millán-Aguiñaga, Joape Ginigini, Usama Ramadan Abdelmohsen, Susana P Gaudêncio, Nadine Ziemert, Bradley S Moore, Paul R Jensen
Comparative genomics is providing new opportunities to address the diversity and distributions of genes encoding the biosynthesis of specialized metabolites. An analysis of 119 genome sequences representing three closely related species of the marine actinomycete genus Salinispora reveals extraordinary biosynthetic diversity in the form of 176 distinct biosynthetic gene clusters (BGCs) of which only 24 have been linked to their products. Remarkably, more than half of the BGCs were observed in only one or two strains, suggesting they were acquired relatively recently in the evolutionary history of the genus...
July 28, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28751619/dysregulated-lncrna-uca1-contributes-to-the-progression-of-gastric-cancer-through-regulation-of-the-pi3k-akt-mtor-signaling-pathway
#9
Chengyun Li, Geyu Liang, Sheng Yang, Jing Sui, Wenzhuo Yao, Xian Shen, Yanqiu Zhang, Hui Peng, Weiwei Hong, Siyi Xu, Wenjuan Wu, Yancheng Ye, Zhiyi Zhang, Wenhua Zhang, Lihong Yin, Yuepu Pu
The long non-coding RNA (lncRNA) urothelial carcinoma-associated 1 (UCA1) has been recently shown to be dysregulated during disease occurrence and to play an important role in the progression of several cancers. However, the biological role and potential regulation mechanism of UCA1 in the carcinogenesis of gastric cancer remain unclear. In the present study, we found that UCA1 was aberrantly upregulated in gastric cancer tissues and gastric cancer cell lines, and was associated with TNM stage and metastasis...
July 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28739730/comparison-of-different-muscle-relaxant-anesthetics-on-growth-migration-and-invasion-of-gastric-cancer-cells
#10
Aihua Jiang, Huishan Zhao, Xiaofei Liu, Mingwei Yu, Jian Chen, Wen G Jiang
BACKGROUND/AIM: Muscle relaxants, also known as neuromuscular blocking agents, can block nerve impulses to the muscles and are always used in surgery for general anesthesia. However, the effect of muscle-relaxant anesthetics on cell activity in gastric cancer is currently unknown. The present study aimed to examine and compare the role of three different muscle-relaxant anesthetics in gastric cancer cells. MATERIALS AND METHODS: Gastric cancer cells (SGC7901 and BGC 823) were treated with a different dose of muscle-relaxant anesthetics, Rocuronium bromide (Rb), Vecuronium bromide (Vb) and Cisatracurium Besilate (CB)...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28737830/role-of-triosephosphate-isomerase-and-downstream-functional-genes-on-gastric-cancer
#11
Tingting Chen, Zhigang Huang, Yunxiao Tian, Haiwei Wang, Ping Ouyang, Haoqin Chen, Lili Wu, Bode Lin, Rongwei He
Triosephosphate isomerase (TPI) is highly expressed in many types of human tumors and is involved in migration and invasion of cancer cells. However, TPI clinicopathological significance and malignant function in gastric cancer (GC) have not been well defined. The present study aimed to examine TPI expression in GC tissue and its biological functions. Furthermore, we investigated its downstream genes by gene chip technology. Our results showed that TPI expression was higher in gastric cancer tissues than adjacent tissues, although no statistical differences were found between TPI expression and clinicopathological factors...
July 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28737396/azacyclo-indoles-and-phenolics-from-the-flowers-of-juglans-regia
#12
Qian Li, An-Jun Deng, Li Li, Lian-Qiu Wu, Ming Ji, Hai-Jing Zhang, Zhi-Hong Li, Lin Ma, Zhi-Hui Zhang, Xiao-Guang Chen, Hai-Lin Qin
Seven new azacyclo-indoles and phenolics and four known alkaloids were isolated from the flowers of Juglans regia. Spectroscopic and chromatographic data revealed that the structures of the new compounds are 5,6,11,12-tetrahydropyrrolo[1',2':1,2]azepino[4,5-b]indole-3-carbaldehyde (1), (±)-5,6,7,11c-tetrahydro-1H-indolizino[7,8-b]indol-3(2H)-one (2), (±)-9-hydroxy-5-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepine-2-carboxamide (3), 5-(ethoxymethyl)-1-(4-hydroxyphenethyl)-1H-pyrrole-2-carbaldehyde (4), (±)-5,8-dihydroxy-4-(1H-indol-3-yl)-3,4-dihydronaphthalen-1(2H)-one (5), (±)-4-(6-amino-9H-purin-9-yl)-5,8-dihydroxy-3,4-dihydronaphthalen-1(2H)-one (6), and (±)-4-(6-amino-9H-purin-9-yl)-5-hydroxy-3,4-dihydronaphthalen-1(2H)-one (7)...
July 24, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28733543/the-role-of-adrenomedullin-in-the-pathogenesis-of-gastric-cancer
#13
Fuhao Qiao, Jian Fang, Jinfeng Xu, Wenqiu Zhao, Ying Ni, Bufugdi Andreas Akuo, Wei Zhang, Yun Liu, Fangfang Ding, Guanlin Li, Baoguo Liu, Hua Wang, Shihe Shao
Adrenomedullin has been shown to be overexpressed in many tumors, including gastric cancer tumors; however, its mechanism of action remains unclear. In this study, we examined the role of adrenomedullin in the pathogenesis of gastric cancer. Using clinical specimens and immunohistochemistry, we found that the expression levels of adrenomedullin and its receptors are inordinately elevated as compared to the adjacent non-tumor gastric tissues. We used siRNA gene silencing, in BGC-823 gastric cancer cell lines, to target adrenomedullin genes, and found that increased adrenomedullin expression results in the proliferation of tumor cells, tumor invasion, and metastasis...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28728293/-curcumin-induces-apoptosis-and-protective-autophagy-in-human-gastric-cancer-cells-with-different-degree-of-differentiation
#14
W Li, Y Zhou, J Yang, H H Zhang, S L Zhao, T Zhang, J Huo, P Zheng
Objective: To investigate the effect of curcumin on the apoptosis and autophagy of human gastric cancer cells with different degree of differentiation. Methods: Gastric cancer cell lines BGC-823 and MKN-28 were treated with curcumin at different concentrations. The effect of curcumin on cell proliferation was measured by MTT assay. Apoptosis was assessed by flow cytometry. Autophagy status was analyzed by acridine orange staining. The expression levels of apoptotic and autophagy-related proteins were detected by Western blot...
July 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28726768/characterization-and-purification-of-bergamottin-from-citrus-grandis-l-osbeck-cv-yongjiazaoxiangyou-and-its-antiproliferative-activity-and-effect-on-glucose-consumption-in-hepg2-cells
#15
Yilong Liu, Chuanhong Ren, Yunlin Cao, Yue Wang, Wenyi Duan, Linfeng Xie, Chongde Sun, Xian Li
Bergamottin is a natural furanocoumarin compound with weak polarity. Characterization and quantification of bergamottin were carried out in different fruit tissues of various citrus cultivars. Among the four citrus tissues tested, i.e., flavedo, albedo, segment membrane (SM), and juice sacs (JS) in eight citrus cultivars, the highest bergamottin content was found in the flavedo of Citrus grandis (L.) Osbeck cv. Yongjiazaoxiangyou (YJZXY, 666.54 μg·g(-1) DW). A combination of silica gel column chromatography and high-speed counter-current chromatography (HSCCC) was established to efficiently purify bergamottin from the flavedo of YJZXY...
July 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28691137/effective-use-of-balloon-guide-catheters-in-reducing-incidence-of-mechanical-thrombectomy-related-distal-embolization
#16
Dong Hoon Lee, Jae Hoon Sung, Sang Uk Kim, Ho Jun Yi, Jae Taek Hong, Sang Won Lee
BACKGROUND AND PURPOSE: The clinical benefit of endovascular stroke therapy has been demonstrated in several prospective randomized trials. However, in a relevant percentage of patients, mechanical thrombectomy bears the risk of causing new infarction in initially unaffected vascular territories through thrombus fragmentation and migration of clot debris. The goal of this study was to evaluate the use of the balloon guide catheter (BGC) to effectively achieve flow arrest and thrombus aspiration during the intervention to avoid distal embolization...
July 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28689850/mir-215-promotes-cell-migration-and-invasion-of-gastric-cancer-by-targeting-retinoblastoma-tumor-suppressor-gene-1
#17
Zhanfeng Chen, Kunpeng Liu, Li Li, Yan Chen, Shouqin Du
BACKGROUND: Gastric cancer (GC) is one of the most common malignant tumor and has high mortality worldwide. microRNAs (miRNAs) play critical roles in carcinogenesis. Previous studied showed that miR-215 was involved in tumorigenesis and progression. This study was designed to clarify the biological function of miR-215 in GC. METHODS: qRT-PCR was used to detect the miR-215 expression in GC tissues and 6 human GC cell lines (AGS, SGC-7901, NCI-N87, GES-1, MKN-45 and BGC-823) as well...
August 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28680805/mir-944-inhibits-metastasis-of-gastric-cancer-by-preventing-the-epithelial-mesenchymal-transition-via-macc1-met-akt-signaling
#18
Tao Pan, Wenjun Chen, Xiaoming Yuan, Jun Shen, Chuan Qin, Linbo Wang
MicroRNAs (miRNAs) are reported to play vital roles in tumor progression. Recently, miR-944 was reported to play either an oncogenic or tumor suppressive role in human cancers. However, the expression of miR-944 and its exact role in gastric cancer (GC) remain unknown. This study aimed to evaluate whether loss of miR-944 could promote the epithelial-mesenchymal transition (EMT) of GC. Reduced expression of miR-944 was identified in 40 pairs of human GC and matched normal tissues by qRT-PCR. Reduced expression of mi-944 was also observed in GC cell lines...
July 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28678176/antioxidant-capacity-anticancer-ability-and-flavonoids-composition-of-35-citrus-citrus-reticulata-blanco-varieties
#19
Yue Wang, Jing Qian, Jinping Cao, Dengliang Wang, Chunrong Liu, Rongxi Yang, Xian Li, Chongde Sun
Citrus (Citrus reticulate Blanco) is one of the most commonly consumed and widely distributed fruit in the world, which is possessing extensive bioactivities. Present study aimed to fully understand the flavonoids compositions, antioxidant capacities and in vitro anticancer abilities of different citrus resources. Citrus fruits of 35 varieties belonging to 5 types (pummelos, oranges, tangerines, mandarins and hybrids) were collected. Combining li quid chromatography combined with electrospray ionization mass spectrometry (LC-ESI-MS/MS) and ultra-performance liquid chromatography combined with diode array detector (UPLC-DAD), a total of 39 flavonoid compounds were identified, including 4 flavones, 9 flavanones and 26 polymethoxylated flavonoids (PMFs)...
July 5, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28663081/cytotoxic-aspidofractinine-alkaloids-from-kopsia-hainanensis
#20
Ying Wang, Lei Hang, Li Jiao, Hui Liu, Fei Li
Five new aspidofractinine-type alkaloids, kopsiahainins A-E (1-5), were isolated from a 80% EtOH extract of the leaves and stems of Kopsia hainanensis. Structural elucidation of all the compounds were performed by spectral methods such as 1D- and 2D-NMR, IR, UV, and HR-ESI-MS. Alkaloids 3 and 4 exhibited some cytotoxic activity against all of six tested tumor cell lines (BGC-823, HepG2, MCF-7, SGC-7901, SK-MEL-2, and SK-OV-3) with IC50 values of 7.3-9.5μM and 9.2-10.6μM, respectively.
June 27, 2017: Fitoterapia
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