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https://www.readbyqxmd.com/read/28088838/re-evaluation-of-phenotypic-expression-in-differentiated-type-early-adenocarcinoma-of-the-stomach
#1
Masato Hayakawa, Ken Nishikura, Yoichi Ajioka, Yutaka Aoyagi, Shuji Terai
A total of 313 cases of differentiated-type early gastric adenocarcinomas, including 113 cases of small-sized carcinoma (5< × ≤10 mm) and 121 cases of microcarcinoma (0< × ≤5 mm), were examined immunohistochemically to clarify the phenotypic expressions. They were classified into four categories (gastric phenotype (G-type), intestinal phenotype, gastrointestinal phenotype, and null phenotype) by a two-step process: the phenotype based on an immunoprofile of mucin core proteins (MUCs) with CDX2 (w/...
January 15, 2017: Pathology International
https://www.readbyqxmd.com/read/28088836/upregulation-of-long-noncoding-rna-tug1-promotes-cervical-cancer-cell-proliferation-and-migration
#2
Yingying Hu, Xiangwei Sun, Chenchen Mao, Gangqiang Guo, Sisi Ye, Jianfeng Xu, Ruanmin Zou, Jun Chen, Ledan Wang, Ping Duan, Xiangyang Xue
Long noncoding RNAs (lncRNAs), a novel class of transcripts that have critical roles in carcinogenesis and progression, have emerged as important gene expression modulators. Recent evidence indicates that lncRNA taurine-upregulated gene 1 (TUG1) functions as an oncogene in numerous types of human cancers. However, its function in the development of cervical cancer remains unknown. The aim of this research was to investigate the clinical significance and biological functions of TUG1 in cervical cancer. TUG1 was found to be significantly upregulated in cervical cancer tissues and four cervical cancer cell lines by quantitative real-time polymerase chain reaction (qRT-PCR)...
January 15, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28088793/hnrnp-l-mediates-bladder-cancer-progression-by-inhibiting-apoptotic-signaling-and-enhancing-mapk-signaling-pathways
#3
Daojun Lv, Huayan Wu, Rongwei Xing, Fangpeng Shu, Bin Lei, Chengyong Lei, Xumin Zhou, Bo Wan, Yu Yang, Liren Zhong, Xiangming Mao, Yaguang Zou
Heterogeneous nuclear ribonucleoprotein L (hnRNP-L) is a promoter of various kinds of cancers, but its actions in bladder cancer (BC) are unclear. In this study, we investigated the function and the underlying mechanism of hnRNP-L in bladder carcinogenesis. Our results demonstrated that enhanced hnRNP-L expression in BC tissues was associated with poor overall survival of BC patients. Depletion of hnRNP-L significantly suppressed cell proliferation in vitro and inhibited xenograft tumor growth in vivo. Furthermore, downregulation of hnRNP-L resulted in G1-phase cell cycle arrest and enhanced apoptosis accompanied by inhibition of EMT and cell migration...
January 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088791/sinomenine-hydrochloride-inhibits-breast-cancer-metastasis-by-attenuating-inflammation-related-epithelial-mesenchymal-transition-and-cancer-stemness
#4
Xiao Li, Pingping Li, Chao Liu, Yu Ren, Xiaojiang Tang, Ke Wang, Jianjun He
Sinomenine hydrochloride (SH) has been investigated for its anti-tumor growth effect. We have previously reported that SH inhibited breast cancer cell proliferation via MAPKs signaling. However, whether SH could inhibit tumor metastasis has not been fully explored. In this study, we found that SH suppressed the metastasis potential of breast cancer cells. The wound healing and transwell assays showed that SH inhibited the migration and invasion ability of both 4T1 and MDA-MB-231 breast cancer cells. The orthotopic mouse model of 4T1 and the experimental mouse model of MDA-MB-231-luc (MDA-MB-231 cell line expressing firefly luciferase) demonstrated that SH treatment inhibited breast cancer metastasis by inhibiting epithelial-mesenchymal transition (EMT) and cancer stem cell (CSC) properties without obvious hepatotoxicity and renal toxicity...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088790/intraperitoneal-immunotherapy-with-t-cells-stably-and-transiently-expressing-anti-epcam-car-in-xenograft-models-of-peritoneal-carcinomatosis
#5
Wei Xia Ang, Zhendong Li, Zhixia Chi, Shou-Hui Du, Can Chen, Johan C K Tay, Han Chong Toh, John E Connolly, Xue Hu Xu, Shu Wang
The epithelial cell adhesion molecule (EpCAM) is overexpressed in a wide variety of tumor types, including peritoneal carcinomatosis (PC) from gastrointestinal and gynecological malignancies. To develop a chimeric antigen receptor T (CART) cell therapy approach to treat patients with end-stage PC, we constructed third generation CARs specific to EpCAM using the 4D5MOC-B single chain variable fragment. CART cells were generated with lentiviral transduction and exhibited specific in vitro killing activity against EpCAM-positive human ovarian and colorectal cancer cells...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088789/gprc5a-knockout-mouse-lung-epithelial-cells-predicts-ceruloplasmin-lipocalin-2-and-periostin-as-potential-biomarkers-at-early-stages-of-lung-tumorigenesis
#6
Beibei Sun, Wenzheng Guo, Song Hu, Feng Yao, Keke Yu, Jie Xing, Ronghua Wang, Hongyong Song, Yueling Liao, Tong Wang, Pengfei Jiang, Baohui Han, Jiong Deng
Lung cancer is the leading cause of cancer death. As most of lung cancer patients were diagnosed with the advanced stage, early detection is considered as the most effective strategy to reduce high mortality. Thus, it is desirable to identify specific biomarkers at early stages of lung tumorigenesis. GPRC5A is a lung tumor suppressor gene. GPRC5A deficiency is linked to lung cancer development. We hyposthesized that, dysregulated gene expression that results from Gprc5a deficiency may provide potential biomarkers at early stages of lung tumorigenesis...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088788/dual-syk-jak-inhibition-overcomes-ibrutinib-resistance-in-chronic-lymphocytic-leukemia-cerdulatinib-but-not-ibrutinib-induces-apoptosis-of-tumor-cells-protected-by-the-microenvironment
#7
Ailin Guo, Pin Lu, Greg Coffey, Pamela Conley, Anjali Pandey, Y Lynn Wang
Ibrutinib (BTK inhibitor) has generated remarkable responses in CLL. However, the drug, to a large extent, does not cause cell death directly and does not eradicate CLL malignant clones. Inability to eradicate CLL has fostered resistance generation. Once patients become resistant, they do poorly with a median survival of 3-4 months. Novel therapeutic strategies are needed to prevent resistance, improve treatment outcome and ultimately cure the disease. Herein, we explore dual targeting of the BCR and JAK-STAT pathways with a novel single agent, cerdulatinib, which selectively inhibits both SYK (a BCR component) and JAK kinases...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088787/hint2-downregulation-promotes-colorectal-carcinoma-migration-and-metastasis
#8
Weihua Li, Shaoxin Cai, Le Wang, Changshun Yang, Biaohuan Zhou, Huan Wang
Histidine triad nucleotide-binding 2 (HINT2), a member of the histidine triad proteins family, sensitizes cells to apoptosis in hepatocellular carcinoma. Here, we showed that HINT2 expression is lower in primary colorectal cancer (CRC) and metastasis tissues than in normal colorectal tissues, and that HINT2 abundance is inversely correlated with CRC tumor stage. Treating CRC cells with 5-aza-2'-deoxycytidine, a demethylating agent, upregulated HINT2, suggesting HINT2 downregulation is caused by methylation of the gene promoter...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088786/ezh2-inhibition-suppresses-endometrial-cancer-progression-via-mir-361-twist-axis
#9
Kei Ihira, Peixin Dong, Ying Xiong, Hidemichi Watari, Yosuke Konno, Sharon Jb Hanley, Masayuki Noguchi, Noriyuki Hirata, Futoshi Suizu, Takahiro Yamada, Masataka Kudo, Noriaki Sakuragi
EZH2 inhibition and reactivation of tumor suppressor microRNAs (miRNAs) represent attractive anti-cancer therapeutic strategies. We found that EZH2-suppressed let 7b and miR-361, two likely tumor suppressors, inhibited endometrial cancer (EC) cell proliferation and invasion, and abrogated cancer stem cell-like properties. In EC cells, EZH2 induced and functioned together with YY1 to epigenetically suppress miR-361, which upregulated Twist, a direct target of miR-361. Treating EC cells with GSK343, a specific EZH2 inhibitor, mimicked the effects of siRNA-mediated EZH2 knockdown, upregulating miR-361 and downregulating Twist expression...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088782/pde5-inhibitors-enhance-the-lethality-of-pemetrexed-sorafenib
#10
Laurence Booth, Jane L Roberts, Andrew Poklepovic, Paul Dent
The combination of pemetrexed and sorafenib has significant clinical activity against a wide variety of tumor types in patients and the present studies were performed to determine whether sildenafil enhances the killing potential of [pemetrexed + sorafenib]. In multiple genetically diverse lung cancer cell lines, sildenafil enhanced the lethality of [pemetrexed + sorafenib]. The three-drug combination reduced the activities of AKT, mTOR and STAT transcription factors; increased the activities of eIF2α and ULK-1; lowered the expression of MCL-1, BCL-XL, thioredoxin and SOD2; and increased the expression of Beclin1...
January 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088772/thrombospondin-immune-regulation-and-the-kidney
#11
Claudio Ponticelli, Hans-Joachim Anders
Most therapeutic attempts to prevent the progression of kidney diseases have been based on interventions to inhibit the production of transforming growth factor-β (TGF-β). Thrombospondins (TSPs) play an important role in activating TGF-β. In the healthy kidney, two TSPs are expressed, TSP1 and TSP2, which exert contrasting effects. While TSP1 is a major activator of TGF-β in renal cells and exerts pro-inflammatory effects both in vitro and in vivo, TSP2 lacks the ability for TGF-β activation but regulates matrix remodeling and inflammation in experimental kidney disease...
January 14, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28088736/lncrna-ccat2-promotes-tumorigenesis-by-over-expressed-pokemon-in-non-small-cell-lung-cancer
#12
Zhihong Zhao, Ju Wang, Shengfa Wang, Hao Chang, Tiewa Zhang, Junfeng Qu
BACKGROUND: Non-small cell lung cancer (NSCLC) remains one of the most important death-related diseases, with poor effective diagnosis and less therapeutic biomarkers. LncRNA colon cancer-associated transcript 2 (CCAT2) was identified as an oncogenic lncRNA and over-expressed in many tumor cells. The aims of this study were to detect the correlation between CCAT2 and its regulatory genes and then explore the potential mechanism between them in NSCLC. METHODS: In this study, qRT-PCR was used to detect CCAT2, Pokemon and p21 expression...
January 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28088711/surgery-for-chronic-mesh-infection-occurred-10-years-after-sacrectomy-mesh-resection-and-mesentric-leaf-repair-a-case-report
#13
Makoto Koyama, Yusuke Miyagawa, Yuta Yamamoto, Masato Kitazawa, Akira Suzuki, Satoshi Ishizone, Shinichi Miyagawa
INTRODUCTION: Sacrectomy to treat malignant tumors is often results in large pelvic defects to require reconstruction, using a prosthetic mesh. Importance is to avoid its direct contact of mesh with intestine to prevent adhesion between them. PRESENTATION OF CASE: An 83-year old woman who was diagnosed with a mesh infection caused by a small bowel penetration 10 years after sacrectomy combined with mesh reconstruction for chordoma. In the first operation, because of incomplete re-peritonealization due to a large defect in the retroperitoneum, a mesh unavoidably was compelled to contact with the small intestine...
October 26, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28088707/dna-sensing-and-immune-responses-in-cancer-therapy
#14
REVIEW
Jian Qiao, Haidong Tang, Yang-Xin Fu
The identification of critical DNA sensors and their pathways has led to revealing the central role of DNA sensing in immune system. It has been initially demonstrated that DNA sensing and immune responses have high impacts on the development and prevention of infection and inflammatory. In addition to toll-like receptor pathways, there is now also emerging evidence that cytosolic enzyme cyclic GMP-AMP synthase (cGAS) is essential for the recognition of not only pathogen-derived DNA but also tumor DNA for innate sensing...
January 12, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28088700/chlorogenic-acid-ameliorated-concanavalin-a-induced-hepatitis-by-suppression-of-toll-like-receptor-4-signaling-in-mice
#15
Yinglin Yuan, Xia Gong, Li Zhang, Rong Jiang, Junxia Yang, Bin Wang, Jingyuan Wan
Chlorogenic acid (CGA), one of the most abundant dietary polyphenolic compounds, has been reported to exhibit anti-inflammatory ability. However, the hepatoprotective effects and molecular mechanisms of CGA on concanavalin A (Con A)-induced hepatitis have not been explored. In the present study, we found that pretreatment with CGA dose-dependently inhibited the elevation of plasma aminotransferases and alleviated hepatic pathological damage as well as hepatocyte apoptosis in Con A-exposed mice. Additionally, CGA markedly suppressed the production of serum tumor necrosis factor (TNF)-α and interferon (IFN)-γ, alleviated the infiltration of hepatic macrophages, neutrophils, and activated CD4(+) T lymphocytes in Con A-primed mice...
January 12, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28088698/metformin-enhancing-the-antitumor-efficacy-of-carboplatin-against-ehrlich-solid-carcinoma-grown-in-diabetic-mice-effect-on-igf-1-and-tumoral-expression-of-igf-1-receptors
#16
Dina M Abo-Elmatty, Eman A Ahmed, Mona K Tawfik, Seham A Helmy
Diabetes has been listed as a risk factor for various types of cancer. Cancer cell development can be promoted by increased levels of IGF-1 and hyperinsulinemia that are associated with diabetes type II. Metformin is an anti-diabetic agent and its potential antitumor impact has become the objective of numerous studies. In this vein, we hypothesize that using metformin in diabetes type II mice may synergistic with carboplatin for reducing the risk of cancer. Therefore, the study aimed to evaluate the in vivo antitumor activity of metformin against solid EAC tumor growth in female diabetic mice and its potential pro-apoptotic and anti-proliferative effects with clarification of its inconclusive biological mechanisms...
January 12, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28088687/whole-genome-dna-methylation-profiling-identifies-epigenetic-signatures-of-uterine-carcinosarcoma
#17
Jing Li, Xiaoyun Xing, Daofeng Li, Bo Zhang, David G Mutch, Ian S Hagemann, Ting Wang
Uterine carcinosarcoma (UCS) is a form of endometrial cancer simultaneously exhibiting carcinomatous and sarcomatous elements, but the underlying molecular and epigenetic basis of this disease is poorly understood. We generated complete DNA methylomes for both the carcinomatous and the sarcomatous components of three UCS samples separated by laser capture microdissection and compared DNA methylomes of UCS with those of normal endometrium as well as methylomes derived from endometrioid carcinoma, serous endometrial carcinoma, and endometrial stromal sarcoma...
January 12, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28088668/near-infrared-light-triggered-drug-delivery-system-for-higher-efficacy-of-combined-chemo-photothermal-treatment
#18
Yi Chen, Haohuan Li, Yueyang Deng, Haifeng Sun, Xue Ke, Tianyuan Ci
: The combination of chemotherapy and photothermal therapy is a promising strategy for cancer treatment. In the present study, indocyanine green (ICG), a widely used near-infrared (NIR) dye in photothermal therapy, and chemotherapeutic drug-doxorubicin (DOX) were loaded within the nanoparticles of novel designed arylboronic ester and cholesterol modified hyaluronic acid (PPE-Chol1-HA), denoted as PCH-DI. We take advantage of reactive oxygen species (ROS) production capability of ICG and ROS-sensitivity of arylboronic ester to realize controllable drug release...
January 11, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28088627/the-telomere-binding-protein-trf2-is-required-for-metronomic-therapeutic-effects-of-gemcitabine-and-capecitabine
#19
Wei-Ping Lee, Keng-Hsin Lan, Chung-Pin Li, Yee Chao, Ming-Chih Hou, Han-Chieh Lin, Shou-Dong Lee
Gemcitabine and capecitabine are two effective anticancer agents against solid tumors. The pharmacological mechanisms have been known as incorporation into DNA and thereby inhibition of DNA synthesis. When used as metronomic chemotherapy, they may inhibit angiogenesis and induce immunity. In our previous study, we showed that low-dose gemcitabine caused telomere shortening by stabilizing TRF2 that was required for XPF-dependent telomere loss. In this report, we established a SKOV3.ip1 ascites cell model. Tumor-bearing mice were treated with low-dose gemcitabine (GEM) or capecitabine (CAP)...
January 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28088622/reactive-oxygen-species-and-cancer-paradox-to-promote-or-to-suppress
#20
REVIEW
Sehamuddin Galadari, Anees Rahman, Siraj Pallichankandy, Faisal Thayyullathil
Reactive oxygen species (ROS), a group of highly reactive ions and molecules, are increasingly being appreciated as powerful signaling molecules involved in the regulation of a variety of biological processes. Indeed, their role is continuously being delineated in a variety of pathophysiological conditions. For instance, cancer cells are shown to have increased ROS levels in comparison to their normal counterparts. This is partly due to an enhanced metabolism and mitochondrial dysfunction in cancer cells. The escalated ROS generation in cancer cells contributes to the biochemical and molecular changes necessary for the tumor initiation, promotion and progression, as well as, tumor resistance to chemotherapy...
January 11, 2017: Free Radical Biology & Medicine
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