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https://www.readbyqxmd.com/read/28718375/emp3-is-induced-by-twist1-2-and-regulates-epithelial-to-mesenchymal-transition-of-gastric-cancer-cells
#1
Ming Han, Wanpeng Xu
In this study, we aimed to explore new downstream effectors of TWIST1/2 in inducing epithelial-to-mesenchymal transition in gastric cancer. Bioinformatic data mining was performed using data in The Cancer Genome Atlas Stomach Adenocarcinoma. Survival curves were generated using Kaplan-Meier plotter. Gastric cancer cell lines (AGS and SGC-7901) were used as in vitro cell model to investigate the regulative effect of TWIST1/2 on epithelial membrane protein 3 expression and the progression of epithelial-to-mesenchymal transition...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28718056/aeration-control-strategies-to-stimulate-simultaneous-nitrification-denitrification-via-nitrite-during-the-formation-of-aerobic-granular-sludge
#2
Thomas Dobbeleers, Jolien D'aes, Solange Miele, Michel Caluwé, Veerle Akkermans, Dominique Daens, Luc Geuens, Jan Dries
In this study, a sequencing batch reactor (SBR), treating synthetic wastewater (COD/N = 5), was operated in two stages. During stage I, an aeration control strategy based on oxygen uptake rate (OUR) was applied, to accomplish nitrogen removal via nitrite >80%. In stage II, the development of aerobic granular sludge (AGS) was examined while two aeration control strategies (OUR and pH slope) maintained the nitrite pathway and optimized the simultaneous nitrification-denitrification (SND) performance. Stimulation of slow-growing organisms, (denitrifying) polyphosphate-accumulating organisms (D)PAO and (denitrifying) glycogen-accumulating organisms (D)GAO leads to full granulation (at day 200, SVI10 = 47...
July 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28715876/combining-trail-and-liquiritin-exerts-synergistic-effects-against-human-gastric-cancer-cells-and-xenograft-in-nude-mice-through-potentiating-apoptosis-and-ros-generation
#3
Rui Xie, Cheng-Cheng Gao, Xiao-Zhong Yang, Shang-Nong Wu, Hong-Gang Wang, Jia-Ling Zhang, Wei Yan, Tian-Heng Ma
Gastric cancer is one of the most factors, leading to cancer-related death worldwide. However, the therapies to prevent gastric cancer are still limited and the emergence of drug resistance leads to development of new anti-cancer drugs and combinational chemotherapy regimens. Our study was aimed to explore the anti-gastric cancer effects of liquiritin (LIQ), a major constituent of Glycyrrhiza Radix, which possesses a variety of pharmacological activities. The tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) preferentially inhibited tumor cells over other normal cells, when used in alone or in combination...
July 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28714360/knockdown-of-calponin-2-suppressed-cell-growth-in-gastric-cancer-cells
#4
Jianwei Hu, Wenjuan Xie, Lingyue Shang, Xi Yang, Quanlin Li, Meidong Xu, Jianming Dou, Yiren Zhou, Weixin Niu, Yanhua Wu
Calponin family members are actin filament-associated regulatory proteins with distinct expression patterns. Previous studies on CNN2 (calponin 2) have demonstrated that CNN2 is expressed in a broad range of tissues and cell types, exhibiting potential regulatory roles in a number of cellular activities, including cell proliferation, cell migration, and platelet adhesion. In this work, we found that both messenger RNA and protein expression levels of CNN2 were remarkably upregulated in 60%-70% of gastric cancer tissues by comparison with those of neighboring non-tumorous mucosa...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28713919/ganetespib-induces-g2-m-cell-cycle-arrest-and-apoptosis-in-gastric-cancer-cells-through-targeting-of-receptor-tyrosine-kinase-signaling
#5
Harry Lee, Nipun Saini, Amanda B Parris, Ming Zhao, Xiaohe Yang
Heat shock protein 90 (HSP90) regulates several important cellular processes via its repertoire of 'client proteins'. These client proteins have been found to play fundamental roles in signal transduction, cell proliferation, cell cycle progression and survival, as well as other features of malignant cells, such as invasion, tumor angiogenesis and metastasis. Thus, HSP90 is an emerging target for cancer therapy. To this end, we evaluated ganetespib (STA-9090), a novel and potent HSP90 inhibitor, for its activity in gastric cancer cell lines...
July 13, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28713899/mir-320a-serves-as-a-negative-regulator-in-the-progression-of-gastric-cancer-by-targeting-rab14
#6
Yongyuan Li, Hongjie Liu, Jianping Shao, Guoqiang Xing
Gastric cancer (GC) is one of the most common types of malignancy worldwide, with high morbidity and mortality rates. The dysregulation of microRNAs (miRs) has been found to be involved in the carcinogenesis of GC. The present study aimed to investigate the underlying association between GC and miR-320a. Analysis using reverse transcription quantitative polymerase chain reaction indicated that the expression of miR-320a was downregulated and the expression of RAB14 was upregulated in GC tissues and cells, compared with the corresponding controls...
July 6, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28702751/complexes-of-gastrin-with-in-3-ru-3-or-ga-3-ions-are-not-recognised-by-the-cholecystokinin-2-receptor
#7
Marie Laval, Kathryn M Marshall, John Sachinidis, Andrew Scott, Mal Eutick, Graham S Baldwin
The peptide hormone gastrin (Gamide) binds trivalent metal ions, including indium (In), ruthenium (Ru) and gallium (Ga), with high affinity. Complexes of gastrin with chelated isotopes of In and Ga have previously been used for the location of tumours expressing the cholecystokinin 2 receptor (CCK2R). The aim of the present study was to purify the complexes of Gamide with radioactive isotopes of In, Ru or Ga and to investigate their ability to bind to the CCK2R. The radioactive Gamide complexes were purified on Sep-Pak C18 cartridges or by anion exchange HPLC...
July 12, 2017: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/28702133/cytotoxic-effect-of-rosemary-extract-on-gastric-adenocarcinoma-ags-and-esophageal-squamous-cell-carcinoma-kyse30-cell-lines
#8
Neamat Karimi, Jalil Rashedi, Behroz Mahdavi Poor, Sepideh Arabi, Maryam Ghorbani, Nahideh Tahmasebpour, Mohammad Asgharzadeh
AIM: The present study was conducted to survey the potential cytotoxic influence of freeze-dried aqueous extract of its fruits on gastrointestinal cell lines, namely AGS (human gastric carcinoma) and KYSE30 (human esophageal squamous cell carcinoma. BACKGROUND: Rosemary (Rosmarinus officinalis) is a wild medicinal plant shown to have anticancer activity. Carnosic and rosmarinic acids are compounds, obtained from it through several extraction methods. METHODS: The aqueous extract of the fruits of R...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28701508/prdm1-regulates-thymic-epithelial-function-to-prevent-autoimmunity
#9
Natalie A Roberts, Brian D Adams, Nicholas I McCarthy, Reuben M Tooze, Sonia M Parnell, Graham Anderson, Susan M Kaech, Valerie Horsley
Autoimmunity is largely prevented by medullary thymic epithelial cells (TECs) through their expression and presentation of tissue-specific Ags to developing thymocytes, resulting in deletion of self-reactive T cells and supporting regulatory T cell development. The transcription factor Prdm1 has been implicated in autoimmune diseases in humans through genome-wide association studies and in mice using cell type-specific deletion of Prdm1 in T and dendritic cells. In this article, we demonstrate that Prdm1 functions in TECs to prevent autoimmunity in mice...
July 12, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28699254/e-cadherin-expression-increases-cell-proliferation-by-regulating-energy-metabolism-through-nf-%C3%AE%C2%BAb-in-ags-cells
#10
Song Yi Park, Jee-Hye Shin, Sun-Ho Kee
β-catenin is a central player in Wnt signaling, and activation of Wnt signaling is associated with cancer development. E-cadherin in complex with β-catenin mediates cell-cell adhesion, which suppresses β-catenin-dependent Wnt signaling. Recently, a tumor-suppressive role for E-cadherin has been reconsidered, as re-expression of E-cadherin was reported to enhance the metastatic potential of malignant tumors. To explore the role of E-cadherin, we established an E-cadherin-expressing cell line, EC96 cells, from AGS cells that featured undetectable E-cadherin expression and a high level of Wnt signaling...
July 12, 2017: Cancer Science
https://www.readbyqxmd.com/read/28693462/the-antibiotic-guardian-campaign-a-qualitative-evaluation-of-an-online-pledge-based-system-focused-on-making-better-use-of-antibiotics
#11
Joanna May Kesten, Alex Bhattacharya, Diane Ashiru-Oredope, Maya Gobin, Suzanne Audrey
BACKGROUND: The Antibiotic Guardian Campaign was developed to increase commitment to reducing Antimicrobial Resistance (AMR), change behaviour and increase knowledge through an online pledge system for healthcare professionals and members of the public to become Antibiotic Guardians (AG). This qualitative evaluation aimed to understand AG experiences of the campaign and perceived impact on behaviour. METHODS: Ninety-four AGs (48 via a survey and 46 who had agreed to future contact) were invited to participate in a telephone semi-structured interview...
July 11, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28693212/korean-scutellaria-baicalensis-georgi-flavonoid-extract-induces-mitochondrially-mediated-apoptosis-in-human-gastric-cancer-ags-cells
#12
Venu Venkatarame Gowda Saralamma, Ho Jeong Lee, Gyeong Eun Hong, Hyeon Soo Park, Silvia Yumnam, Suchismita Raha, Won Sup Lee, Eun Hee Kim, Nak Ju Sung, Sang Joon Lee, Jeong Doo Heo, Gon Sup Kim
Korean Scutellaria baicalensis Georgi has been widely used in Korean folk medicines for its range of medicinal benefits, including its anticancer effect. The aim of the present study was to investigate the underlying molecular mechanism of action of a flavonoid extract from Korean Scutellaria baicalensis Georgi (FSB) on AGS human gastric cancer cells (gastric adenocarcinoma) in which FSB exhibits an anticancer effect. Treatment of AGS cells with FSB significantly inhibited cell viability in a concentration-dependent manner...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28693185/withaferin-a-inhibits-the-proliferation-of-gastric-cancer-cells-by-inducing-g2-m-cell-cycle-arrest-and-apoptosis
#13
Green Kim, Tae-Hyoun Kim, Eun-Ha Hwang, Kyu-Tae Chang, Jung Joo Hong, Jong-Hwan Park
Human gastric adenocarcinoma (AGS) is one of the most common types of malignant tumor and the third-leading cause of tumor-associated mortality worldwide. Withaferin A (WA), a steroidal lactone derived from Withania somnifera, exhibits antitumor activity in a variety of cancer models. However, to the best of our knowledge, the direct effect of WA on AGS cells has not previously been determined. The present study investigated the effects of WA on the proliferation and metastatic activity of AGS cells. WA exerted a dose-dependent cytotoxic effect on AGS cells...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28692597/practice-preferences-for-glaucoma-surgery-a-survey-of-the-american-glaucoma-society
#14
Kateki Vinod, Steven J Gedde, William J Feuer, Joseph F Panarelli, Ta C Chang, Philip P Chen, Richard K Parrish
PURPOSE: The purpose of this study is to assess surgical practice patterns among the American Glaucoma Society (AGS) membership. METHODS: An anonymous online survey evaluating the use of glaucoma surgeries in various clinical settings was redistributed to AGS members. Survey responses were compared with prior results from 1996, 2002, and 2008 to determine shifts in surgical practice patterns. Questions were added to assess the preferred approach to primary incisional glaucoma surgery and phacoemulsification combined with glaucoma surgery...
July 7, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28689850/mir-215-promotes-cell-migration-and-invasion-of-gastric-cancer-by-targeting-retinoblastoma-tumor-suppressor-gene-1
#15
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...
June 6, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28688841/how-mr1-presents-a-pathogen-metabolic-signature-to-mucosal-associated-invariant-t-mait-cells
#16
REVIEW
Hamish E G McWilliam, Jose A Villadangos
Mucosal-associated invariant T (MAIT) cells are innate-like lymphocytes restricted by the antigen (Ag)-presenting molecule MHC class I (MHC I)-related protein 1 (MR1). The Ags presented by MR1 are vitamin B-related Ags (VitBAgs), 'building-block' metabolites of riboflavin that are synthesized by a range of microbes. MR1 presentation is thus a unique mechanism for the immune detection of a pathogen metabolic signature. While the full picture of how MR1 accomplishes this remains incomplete, recent data show that, unlike other MHC molecules, MR1 operates by a presentation-on-demand mechanism...
July 5, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28685879/agga2ps6-a-new-mid-infrared-nonlinear-optical-material-with-high-laser-damage-threshold-and-large-second-harmonic-generation-response
#17
Jiang-He Feng, Chun-Li Hu, Xiang Xu, Bing-Xuan Li, Ming-Jian Zhang, Jiang-Gao Mao
To develop new mid-infrared (MIR) nonlinear optical (NLO) materials, which can overcome the low laser damage threshold (LDT) of the commercial MIR-NLO crystals (AgGaS2, AgGaSe2 and ZnGeP2) and simultaneously keep the large NLO susceptibility, is urgent for the high-power MIR laser frequency conversion technology. To improve the LID, a new strategy of increasing lattice stability was adopted. Here, the strong covalent structural unit of PS4 tetrahedron was introduced into AgGaS2, and that led to the isolation of the first compound in Ag(I)-Ga(III)-P(V)-S system, namely, AgGa2PS6 (Cc)...
July 7, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28683534/a-case-of-alagille-syndrome-presenting-with-chronic-cholestasis-in-an-adult
#18
Jihye Kim, Bumhee Yang, Namyoung Paik, Yon Ho Choe, Yong-Han Paik
Alagille syndrome (AGS) is a complex multisystem disorder that involves mainly the liver, heart, eyes, face, and skeleton. The main associated clinical features are chronic cholestasis due to a paucity of intrahepatic bile ducts, congenital heart disease primarily affecting pulmonary arteries, vertebral abnormalities, ocular embryotoxon, and peculiar facies. The manifestations generally become evident at a pediatric age. AGS is caused by defects in the Notch signaling pathway due to mutations in JAG1 or NOTCH2...
July 7, 2017: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/28679068/berberine-hydrochloride-counteracts-enhanced-il-8-expression-induced-by-sn-38-in-ags-cells
#19
Jin Chen, De-Ning Ma, Yuan Fang, Ning Zhang, Jia-Min Zhou, Xiao-Lan Yin, Feng Liu, Zong-Tao Chai
IL-8 over-expression could enhance cancer metastasis. In present study, berberine hydrochloride (BER) triggered proliferative inhibition and G2/M arrest in AGS cells, down-regulated protein expression of cyclin B1, Bcl-2, up-regulated expression of p21, p53 and cleaved caspase 3, but showed no effect on protein expression of CHOP, Bip, and caspase 4. BER could down-regulate the enhanced IL-8 expression through down-regulating ERK1/2 and p38 MAPK over-activation induced by SN 38. The increased IL-8 mediated adhesive ability of AGS cells to HUVECs induced by SN 38, could be reduced by BER...
July 5, 2017: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/28678176/antioxidant-capacity-anticancer-ability-and-flavonoids-composition-of-35-citrus-citrus-reticulata-blanco-varieties
#20
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
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