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https://www.readbyqxmd.com/read/28550801/the-nk-1-receptor-antagonist-l-732-138-induces-apoptosis-in-human-gastrointestinal-cancer-cell-lines
#1
Miguel Muñoz, Marisa Rosso, Rafael Coveñas
BACKGROUND: Gastric and colon cancer cells express the neurokinin-1 receptor (NK-1R) and the peptide substance P (SP), after binding to this receptor, elicits the proliferation of gastrointestinal cancer cells and an antiapoptotic effect. In these cells, NK-1R antagonists (L-733,060: a piperidine derivative; aprepitant: a morpholine derivative) block, after binding to the NK-1R, the action of SP and exert an antiproliferative action, both antagonists promote apoptosis and the death of cancer cells...
February 12, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28550688/long-noncoding-rna-crnde-prc2-participated-in-the-radiotherapy-resistance-of-human-lung-adenocarcinoma-through-targeting-p21-expression
#2
Ming Zhang, Change Gao, Yi Yang, Gaofeng Li, Jian Dong, Yiqin Ai, Nan Chen, Wenhui Li
Long noncoding RNAs (lncRNAs), as new class of functional regulators involved in human tumorigenesis, have been attracting increasing attention of researchers. The lncRNA Colorectal Neoplasia Differentially Expressed (CRNDE), transcribed from chromosome 16 on the strand opposite to the adjacent IRX5 gene, were originally found to be increased in CRC and was reported abnormal expressed in many cancers. However, its potential role and molecular mechanism underlying radioresistant phenotype formation of lung adenocarcinoma (LAD) remains unclear...
May 17, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550685/long-noncoding-rna-camta1-promotes-proliferation-and-mobility-of-human-breast-cancer-cell-line-mda-mb-231-via-targeting-mir-20b
#3
Pengwei Lu, Yuanting Gu, Lin Li, Fang Wang, Xue Yang, Yunqing Yang
Breast cancer is a serious threat to women's physical and psychological health. Long non-coding RNA CAMTA1 (LncCAMTA1)was believed to be related with tumor progression, but its role in breast cancer is not clear. Human breast cancer cell line MDA-MB-231 was used to investigate effect of LncCAMTA1 on cell viability, migration/invasion, and apoptosis. Expression of LncCAMTA1, miR-20b and VEGF in MDA-MB-231were measured after corresponding transfections. Binding effects between LncCAMTA1 and miR-20b, miR-20b and VEGF 3'UTR were measured...
May 21, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550683/oncogenic-role-of-microrna-30b-5p-in-glioblastoma-through-targeting-proline-rich-transmembrane-protein-2
#4
Zhongjun Li, Junxiu Guo, Yujie Ma, Zhixiong Lin, Longbo Zhang
MicroRNAs (miRs) have been found to play promoting or suppressive roles in different human cancers. However, the exactregulatory mechanism of miR-30b in glioblastoma still remains unknown. Here we showed that the expression of miR-30b was significantly increased in glioblastoma tissues and cell lines. Moreover, high expression of miR-30b was significantly associated with shorter survival time of glioblastoma patients. Knockdown of miR-30b caused a significant reduction in the proliferation, migration, and invasion of U87 and A172 cells...
May 17, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550680/elemene-increases-autophagic-apoptosis-and-drug-sensitivity-in-human-cisplatin-ddp-resistant-lung-cancer-cell-line-spc-a-1-ddp-by-inducing-beclin-1-expression
#5
Kun Zhou, Liping Wang, Ruirui Cheng, Xia Liu, Shengya Mao, Yan Yan
Drug resistance is the major obstacle for the successful therapy of lung adenocarcinoma. It was suggested that ß-elemene, a major isoform of elemene, could reverse the drug resistance in lung cancer cells. However, the underlying mechanisms remains poorly known. Here, we aimed to investigate whether elemene is involved in the cisplatin (DDP)-resistance of lung adenocarcinoma cells and further explore the underlying mechanism. The results showed that human lung adenocarcinoma cell line SPC-A-1 and its DDP-resistant strain SPC-A-1/DDP had a similar sensitivity to elemene treatment...
May 23, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550679/downregulation-of-src-kinase-signaling-inhibitor-1-srcin1-expression-by-microrna-32-promotes-proliferation-and-epithelial-mesenchymal-transition-in-human-liver-cancer-cells
#6
Ren Chen, Jin-Yao Liao, Jing Huang, Wen-Li Chen, Xiao-Jun Ma, Xiao-Dan Luo
MicroRNAs play an important role in regulating gene expression by binding to the 3' UTR of target mRNAs. In this studywe have made an attempt to assess the molecular mechanisms by which miR-32 suppresses the expression of SRCIN1, thereby leading to promotion of proliferation and epithelial-mesenchymal transition of human liver cancer cells. Human liver cancer cell lines HepG2 were transfected with miR-32 mimics and its control. The HepG2 cell lines were the assessed for miR-32 expression. The transfected cell lines were then studied for SRCIN1 expression by luciferase assay, effect of transfection on cell proliferation and finally epithelial-mesenchymal transition...
May 22, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550667/-clinical-features-and-risk-factors-for-recurrence-in-mucinous-breast-cancer
#7
L Lei, Z Z Chen, Y B Zheng, B Chen, X Wang, X J Wang
Objective: To investigate the clinicopathological characteristic and risk factors for recurrence in different subtypes of mucinous breast cancer(MBC). Methods: Clinical data of 97 MBC patients at Zhejiang Cancer Hospital from August 2005 to November 2012 were retrospectively analyzed. All of patients were divided into 3 subtypes according to the mucinous components in the tumors, named as partial mixed MBC with less than 50% of mucinous components, main mixed MBC where the mucinous component accounted for 50% to 90%, and pure MBC with more than 90% of mucinous components...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550498/expression-of-calretinin-in-high-grade-hormone-receptor-negative-invasive-breast-carcinomas-correlation-with-histological-and-molecular-subtypes
#8
Donata Micello, Alberto Bossi, Alessandro Marando, Emanuele Dainese, Fausto Sessa, Carlo Capella
Calretinin expression has been reported in neoplasms arising in various organs, including the breast. We investigated the relationship of calretinin expression with different histological and molecular subtypes of invasive breast carcinomas (IBCs) and its prognostic significance in high-grade female hormone receptor-negative IBCs. A total of 196 cases of IBCs of different histological subtypes were analyzed for immunohistochemical expression of calretinin, human epidermal growth factor receptor 2 (HER2), basal-like (BL), apocrine, and proliferative markers and grouped in different molecular subtypes...
May 26, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28550454/oncogenic-roles-of-the-pi3k-akt-mtor-axis
#9
Masahiro Aoki, Teruaki Fujishita
The PI3K/AKT/mTOR pathway is frequently activated in various human cancers and has been considered a promising therapeutic target. Many of the positive regulators of the PI3K/AKT/mTOR axis, including the catalytic (p110α) and regulatory (p85α), of class IA PI3K, AKT, RHEB, mTOR, and eIF4E, possess oncogenic potentials, as demonstrated by transformation assays in vitro and by genetically engineered mouse models in vivo. Genetic evidences also indicate their roles in malignancies induced by activation of the upstream oncoproteins including receptor tyrosine kinases and RAS and those induced by the loss of the negative regulators of the PI3K/AKT/mTOR pathway such as PTEN, TSC1/2, LKB1, and PIPP...
May 28, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28550445/%C3%AE-carotene-at-physiologically-attainable-concentration-induces-apoptosis-and-down-regulates-cell-survival-and-antioxidant-markers-in-human-breast-cancer-mcf-7-cells
#10
G Sowmya Shree, K Yogendra Prasad, H S Arpitha, U R Deepika, K Nawneet Kumar, Priya Mondal, P Ganesan
Although β-carotene is known for its anti-carcinogenic and antioxidant properties, a few recent epidemiological and experimental evidence show that at higher concentration it acts as pro-oxidant and induces cancer. Since the global burden of breast cancer exceeds all other types of cancer, and its incidence rates is also in increasing trend, the present study attempted to evaluate the anti-cancer molecular mechanism of β-carotene (at 1 µM concentration) isolated from Spinacia oleracea in human breast cancer (MCF-7) cells...
May 26, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28550303/anti-proliferative-effects-of-nucleotides-on-gastric-cancer-via-a-novel-p2y6-soce-ca-2-%C3%AE-catenin-pathway
#11
Hanxing Wan, Rui Xie, Jiangyu Xu, Jialin He, Bo Tang, Qingqing Liu, Sumin Wang, Yanjun Guo, Xin Yang, Tobias Xiao Dong, John M Carethers, Shiming Yang, Hui Dong
Although purinegic signaling is important in regulating gastric physiological functions, it is currently unknown for its role in gastric cancer (GC). We demonstrate for the first time that the expression of P2Y6 receptors was markedly down-regulated in human GC cells and primary GC tissues compared to normal tissues, while the expression of P2Y2 and P2Y4 receptors was up-regulated in GC cells. Moreover, the expression levels of P2Y6 receptors in GC tissues were correlated to tumor size, differentiation, metastasis to lymph nodes, and the survival rate of the patients with GC...
May 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28550083/normal-and-cancerous-tissues-release-extrachromosomal-circular-dna-eccdna-into-the-circulation
#12
Pankaj Kumar, Laura Dillon, Yoshiyuki Shibata, Amir A Jazaeri, David R Jones, Anindya Dutta
Cell-free circulating linear DNA is being explored for non-invasive diagnosis and management of tumors and fetuses, the so-called liquid biopsy. Previously, we observed the presence of small extrachromosomal circular DNA (eccDNA), called microDNA, in the nuclei of mammalian tissues and cell lines. Now, we demonstrate that cell-free microDNA derived from uniquely mapping regions of the genome is detectable in plasma and serum from both mice and humans and that they are significantly longer (30-60% >250 bases) than cell-free circulating linear DNA (~150 bases)...
May 26, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28549940/-human-papillomavirus-nonavalent-vaccine-update-2017
#13
F X Bosch, D Moreno, E Redondo, A Torné
Human papillomavirus (HPV) is the causative agent of 5% of human cancers. HPV infection is necessary for the development of cervical cancer and is responsible of a variable percentage of cancers of anus, vulva, vagina, penis, and oropharynx. Since 2007, 2 vaccines against HPV have been commercially available in Spain: bivalent (HPV types 16/18), and tetravalent (HPV types 6/11/16/18). In order to extend the protection afforded by HPV vaccines, a clinical program was launched in 2006 for the new nonavalent vaccine, including 9 HPV types (6/11/16/18/31/33/45/52/58)...
May 23, 2017: Semergen
https://www.readbyqxmd.com/read/28549801/methanolic-extract-of-boswellia-serrata-exhibits-anti-cancer-activities-by-targeting-microsomal-prostaglandin-e-synthase-1-in-human-colon-cancer-cells
#14
Tayebe Ranjbarnejad, Massoud Saidijam, Shirin Moradkhani, Rezvan Najafi
BACKGROUND: Colorectal cancer (CRC) is the most common cancer. A proper method to reduce mortality of CRC is chemoprevention to prevent initiation and promotion of intestinal tumorgenesis. One of the promising and developing chemopreventive agents is natural compounds found in plants. Frankincense, the resin extract from the Boswellia specious, has been used in traditional and modern medicine for treating various diseases with very minimal side effects. In the current study, we investigated the anti-cancer activity of methanolic extract of Boswellia serrata (B...
May 23, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28549734/synthesis-and-anti-proliferative-activity-of-a-small-library-of-7-substituted-5h-pyrrole-1-2-a-3-1-benzoxazin-5-one-derivatives
#15
Mariateresa Badolato, Gabriele Carullo, Biagio Armentano, Salvatore Panza, Rocco Malivindi, Francesca Aiello
In this study, we investigate the anti-proliferative activity of a small library of 7-substituted 5H-pyrrolo[1,2-a][3,1]benzoxazin-5-one derivatives, against a panel of human cancer cell lines. We reported the synthesis of these compounds in a previous work. 7-Bromo-5H-benzo[d]pyrrolo[2,1-b][1,3]oxazin-5-one showed a promising anti-proliferative effect. As starting material for Suzuki-Miyaura cross coupling reaction, it was selected for the design and the synthesis of six further derivatives, with the aim to better define structure-activity relationships...
May 15, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28549648/characterization-of-long-term-gait-deficits-in-mouse-dmcao-using-the-catwalk-system
#16
E Caballero-Garrido, J C Pena-Philippides, Z Galochkina, E Erhardt, T Roitbak
Evaluation of functional outcome is widely used across species to assess the recovery process following various pathological conditions, including spinal cord injury, musculo-skeletal injury, mithochondrial disease, neuropathic cancer, Huntington's disease, chronic pain, cortical lesion, and olivocerebellar degeneration among others. The Stroke Therapy Academic Industry Roundtable (STAIR) recommends multiple endpoints for behavioral studies in pre-clinical stroke research, to demonstrate their clinical relevance...
May 23, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28549533/performance-of-roma-based-on-architect-ca-125-ii-and-he4-values-in-chinese-women-presenting-with-a-pelvic-mass-a-multicenter-prospective-study
#17
Fengxian Shen, Shiming Lu, Yibing Peng, Fan Yang, Yan Chen, Yingying Lin, Chen Yang, Li Wu, Huijun Li, Yijie Zheng
BACKGROUND: We evaluated the performance of human epididymis protein 4 (HE4), cancer antigen 125(CA 125) and Risk of Ovarian Malignancy Algorithm (ROMA) in distinguishing between benign and malignant pelvic masses in Chinese women. METHOD: From April to December 2012, women with a pelvic mass scheduled to have surgery were enrolled in a prospective, multi-center study conducted in 5 different regions in China. Preoperative serum concentrations of HE4 and CA 125 were examined and ROMA was calculated...
May 23, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28549522/pathobiology-of-human-papillomaviruses-in-human-immunodeficiency-virus-infected-persons
#18
REVIEW
Uma Krishnamurti, Elizabeth R Unger
There is a complex interrelationship between human papillomaviruses (HPV) and human immunodeficiency viruses (HIV) that has been recognized from the start of the HIV epidemic. Cervical cancer was used as a surveillance indicator for acquired immunodeficiency syndrome (AIDS) before definitive identification of the viral etiology of either condition were known. Careful epidemiologic studies combined with clinical and laboratory measures of HPV, HPV-associated disease, and HIV have helped us understand many aspects of the relationship between these two virus groups; however, questions remain...
April 6, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28549468/microrna-608-inhibits-proliferation-of-bladder-cancer-via-akt-foxo3a-signaling-pathway
#19
Zhen Liang, Xiao Wang, Xin Xu, Bo Xie, Alin Ji, Shuai Meng, Shiqi Li, Yi Zhu, Jian Wu, Zhenghui Hu, Yiwei Lin, Xiangyi Zheng, Liping Xie, Ben Liu
BACKGROUND: Current evidence indicates that miR-608 is widely down-regulated in various malignant tumors including liver cancer, colon cancer, lung cancer and glioma, and acts as a tumor suppressor by inhibiting cell proliferation, invasion and migration or by promoting apoptosis. The specific biological function of miR-608 in bladder cancer is still unknown. METHODS: qRT-PCR and Chromogenic in Situ Hybridization (CISH) was conducted to assess the expression of miR-608 in paired BCa tissues and adjacent non-tumor bladder urothelial tissues...
May 26, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28549346/functional-heterogeneity-in-tumor-derived-human-pancreatic-stellate-cells-differential-expression-of-hgf-and-implications-for-mitogenic-signaling-and-migration-in-pancreatic-cancer-cells
#20
Vegard Tjomsland, Monica Aasrum, Thoralf Christoffersen, Ivar P Gladhaug
The pancreatic stellate cell (PSC) is the principal cell type of the desmoplastic stroma of pancreatic ductal adenocarcinoma (PDAC). PSCs interact with cancer cells and influence the progression of the disease through a complex network of signaling molecules including hepatocyte growth factor (HGF). Functional heterogeneity of PSCs within a tumor might conceivably influence tumor progression. We investigated PSC populations isolated from different human PDACs and examined the effects of PSC-conditioned medium on BxPC-3 and AsPC-1 pancreatic cancer cells...
May 11, 2017: Oncotarget
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