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https://www.readbyqxmd.com/read/28320090/treatment-with-anti-programmed-cell-death-1-pd-1-antibody-restored-postoperative-cd8-t-cell-dysfunction-by-surgical-stress
#1
Zhirong Sun, Anrong Mao, Yun Wang, Yanjun Zhao, Jiawei Chen, Pingbo Xu, Changhong Miao
Millions of patients benefit from surgery and are exposed to surgical stress. However, ample studies suggest that surgical stress contributes to tumor recurrence or distant metastases. Surgical stress suppresses CD8+ T cells (CTL) function which is vital for eliminating the malignant cells. Anti-programmed cell death 1 (PD-1) therapy is an effective and safe treatment that increases survival rate of patients with multiple cancers, however, whether anti-PD-1 therapy is able to reverse the immunosuppression following surgery remains largely unknown...
March 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28320089/mir-448-is-a-novel-prognostic-factor-of-lung-squamous-cell-carcinoma-and-regulates-cells-growth-and-metastasis-by-targeting-dclk1
#2
Changting Shan, Fan Fei, Fengzhu Li, Bo Zhuang, Yulong Zheng, Yufeng Wan, Jianhui Chen
MicroRNA-448 (miR-448) has been showed to be low-expressed and function as tumor suppressor in most human cancers. However, there are limited reports on the clinical significance and biological function of miR-448 in lung squamous cell carcinoma. In this study, we observed that miR-448 expression was decreased in lung squamous cell carcinoma tissues and cell lines. Meanwhile, miR-448 expression associated with differentiated degree, T classification (tumor size), N classification (lymph node metastasis), M classification (distant metastasis), clinical stage and prognosis of lung squamous cell carcinoma patients...
March 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28320083/xiaoaiping-combined-with-cisplatin-can-inhibit-proliferation-and-invasion-and-induce-cell-cycle-arrest-and-apoptosis-in-human-ovarian-cancer-cell-lines
#3
Ai-Wen Zheng, Ya-Qing Chen, Jing Fang, Ying-Li Zhang, Dong-Dong Jia
PURPOSE: The aim of the present study was utilizing Xiaoaiping as a single agent or combined with cisplatin to study its effect on the ovarian cancer cells (HO-8910 and HO-8910PM cells) in tumor cell proliferation, cell apoptosis, cell cycle distribution and cell invasion and migration. METHODS: Both HO-8910 and HO-8910PM cell lines were treated with Xiaoaiping injection, cisplatin or combination. Effects on the cell viability and apoptosis induction were estimated using the Cell counting Kit-8 assay and Annexin V-FITC/Propidium Iodide staining...
March 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28320060/clinical-value-of-octamer-binding-transcription-factor-4-as-a-prognostic-marker-in-patients-with-digestive-system-cancers-a-systematic-review-and-meta-analysis
#4
Zhiqiang Chen, Long Zhang, Qin Zhu, Xiaowei Wang, Jindao Wu, Xuehao Wang
BACKGROUND AND AIM: The role of octamer-binding transcription factor 4 (Oct4) has been implicated in the clinical prognosis of various kinds of digestive system cancers, but the results remain controversial. The purpose of this meta-analysis is to assess the potential role of Oct4 as a prognostic marker in digestive system tumors. METHODS: Relevant articles were retrieved from Pubmed, Web of Science, and Cochrane Library up to July 2016. The software Stata 12.0 was used to analyze the outcomes, including overall survival (OS), disease-free survival, recurrence-free survival, and clinicopathological characteristics...
March 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28320044/multiple-concomitant-oral-cavity-cancers-incidence-management-and-outcomes
#5
Huang-Kai Kao, Mohamed Abdelrahman, Yenlin Huang, Chia-Hsuan Tsai, Megias J Barrera, Ngan-Ming Tsang, Adam J Couves, Ming-Huei Cheng, Kai-Ping Chang
BACKGROUND: Little is known about the appropriate treatment and long-term survival of patients with multiple concomitant oral cavity cancers (MOC). The aim of this study was to clarify the clinicopathological features of MOC, to compare the prognosis of MOC patients with that of patients with single oral cavity cancers (SOC), and to describe reconstructive options based on the concept of economy in autologous tissue transfer. METHODS: Data from 603 patients diagnosed with at least one squamous cell carcinoma of the oral cavity who underwent surgery for primary oral cavity cancers between 2006 and 2014 were reviewed retrospectively to identify MOC patients...
March 20, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28319731/stimulating-cd27-to-quantitatively-and-qualitatively-shape-adaptive-immunity-to-cancer
#6
REVIEW
Timothy Nj Bullock
The capacity of the immune system to recognize and respond to tumors has been appreciated for over 100 years. However, clinical success has largely depended on the elucidation of the positive and negative regulators of effector cells after their activation via the antigen cell receptor. On the one hand, effector cells upregulate checkpoint molecules that are thought to play a role in limiting immunopathology. On the other, second and third waves of costimulation are often required to promote the expansion, survival and differentiation of effector cells...
March 16, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28319574/melf-pattern-for-predicting-lymph-node-involvement-and-survival-in-grade-i-ii-endometrioid-type-endometrium-cancer
#7
Muzaffer Sanci, Kemal Güngördük, Varol Gülseren, Tuğba Karadeniz, Mustafa Kocaer, Ozgu Gungorduk, İsa A Özdemir
The aim of this study was to examine the associations between microcystic, elongated, and fragmented (MELF) pattern and other prognostic factors and lymph node involvement, disease-free survival, and overall survival (OS) using a case-control group consisting of grade I-II endometrioid endometrial carcinoma (EEC) patients with/without lymph node involvement. The files of the patients were searched electronically for all hysterectomy specimens with a diagnosis of grade I-II EEC of the uterine body from January 1, 2008 to July 31, 2014...
March 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28319570/microcystic-elongated-and-fragmented-pattern-invasion-in-ovarian-endometrioid-carcinoma-immunohistochemical-profile-and-prognostic-implications
#8
Allison Goldberg, Lauren Hand, Dan DeCotiis, Norman Rosenblum, Joanna Chan
Microcystic, elongated, and fragmented (MELF) pattern invasion is a poor prognostic indicator in uterine endometrioid carcinoma, but its existence, biology, and prognostic value have not been described in ovarian endometrioid carcinoma. We evaluated cases of ovarian endometrioid carcinoma without synchronous uterine endometrioid carcinoma for MELF and other histologic features. To evaluate tumor biology, we assessed an immunohistochemical profile, including MLH1, PMS2, MSH2, MSH6, β-catenin, e-cadherin, CK19, and cyclin D1...
March 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28319559/pediatric-solid-tumors-in-africa-different-biology
#9
John K M Nyagetuba, Erik N Hansen
PURPOSE OF REVIEW: To review the recent literature regarding biologic characteristics of pediatric solid tumors in African children. RECENT FINDINGS: Data regarding pediatric solid tumors in Africa, while increasing, remain sparse when considering the ethnic and geographic diversity of the continent. Recent work, especially regarding nephroblastoma in Kenya, has identified some biologic variability among local tribes but also when compared with North American tumors...
March 17, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28319455/joint-model-imputation-to-estimate-the-treatment-effect-on-long-term-survival-using-auxiliary-events
#10
Audrey Mauguen, Stefan Michiels, Virginie Rondeau
Clinical trial duration may be a concern in clinical research, especially in cancer trials where the endpoint is overall survival. A surrogate endpoint can be used as an auxiliary variable to analyze the treatment effect earlier. At an early time point, the high number of censored observations can be compensated by the imputation of the unobserved deaths times. We propose to use predictions of the risk of death from a joint model for a recurrent event and a terminal event, which account for disease relapse information...
February 16, 2017: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/28319448/rationale-and-design-of-a-phase-1-clinical-trial-to-evaluate-hsv-g207-alone-or-with-a-single-radiation-dose-in-children-with-progressive-or-recurrent-malignant-supratentorial-brain-tumors
#11
Alicia M Waters, James M Johnston, Alyssa T Reddy, John Fiveash, Avi Madan-Swain, Kara Kachurak, Asim K Bag, G Yancey Gillespie, James M Markert, Gregory K Friedman
Primary central nervous system tumors are the most common solid neoplasm of childhood and the leading cause of cancer-related death in pediatric patients. Survival rates for children with malignant supratentorial brain tumors are poor despite aggressive treatment with combinations of surgery, radiation, and chemotherapy, and survivors often suffer from damaging lifelong sequelae from current therapies. Novel innovative treatments are greatly needed. One promising new approach is the use of a genetically engineered, conditionally replicating herpes simplex virus (HSV) that has shown tumor-specific tropism and potential efficacy in the treatment of malignant brain tumors...
March 2017: Human Gene Therapy. Clinical Development
https://www.readbyqxmd.com/read/28319171/a-reported-20-gene-expression-signature-to-predict-lymph-node-positive-disease-at-radical-cystectomy-for-muscle-invasive-bladder-cancer-is-clinically-not-applicable
#12
Kim E M van Kessel, Harmen J G van de Werken, Irene Lurkin, Angelique C J Ziel-van der Made, Ellen C Zwarthoff, Joost L Boormans
BACKGROUND: Neoadjuvant chemotherapy (NAC) for muscle-invasive bladder cancer (MIBC) provides a small but significant survival benefit. Nevertheless, controversies on applying NAC remain because the limited benefit must be weight against chemotherapy-related toxicity and the delay of definitive local treatment. Therefore, there is a clear clinical need for tools to guide treatment decisions on NAC in MIBC. Here, we aimed to validate a previously reported 20-gene expression signature that predicted lymph node-positive disease at radical cystectomy in clinically node-negative MIBC patients, which would be a justification for upfront chemotherapy...
2017: PloS One
https://www.readbyqxmd.com/read/28319094/targeting-c-fos-and-dusp1-abrogates-intrinsic-resistance-to-tyrosine-kinase-inhibitor-therapy-in-bcr-abl-induced-leukemia
#13
Meenu Kesarwani, Zachary Kincaid, Ahmed Gomaa, Erika Huber, Sara Rohrabaugh, Zain Siddiqui, Muhammad F Bouso, Tahir Latif, Ming Xu, Kakajan Komurov, James C Mulloy, Jose A Cancelas, H Leighton Grimes, Mohammad Azam
Tyrosine-kinase inhibitor (TKI) therapy for human cancers is not curative, and relapse occurs owing to the continued presence of tumor cells, referred to as minimal residual disease (MRD). The survival of MRD stem or progenitor cells in the absence of oncogenic kinase signaling, a phenomenon referred to as intrinsic resistance, depends on diverse growth factors. Here we report that oncogenic kinase and growth-factor signaling converge to induce the expression of the signaling proteins FBJ osteosarcoma oncogene (c-FOS, encoded by Fos) and dual-specificity phosphatase 1 (DUSP1)...
March 20, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28319088/reference-component-analysis-of-single-cell-transcriptomes-elucidates-cellular-heterogeneity-in-human-colorectal-tumors
#14
Huipeng Li, Elise T Courtois, Debarka Sengupta, Yuliana Tan, Kok Hao Chen, Jolene Jie Lin Goh, Say Li Kong, Clarinda Chua, Lim Kiat Hon, Wah Siew Tan, Mark Wong, Paul Jongjoon Choi, Lawrence J K Wee, Axel M Hillmer, Iain Beehuat Tan, Paul Robson, Shyam Prabhakar
Intratumoral heterogeneity is a major obstacle to cancer treatment and a significant confounding factor in bulk-tumor profiling. We performed an unbiased analysis of transcriptional heterogeneity in colorectal tumors and their microenvironments using single-cell RNA-seq from 11 primary colorectal tumors and matched normal mucosa. To robustly cluster single-cell transcriptomes, we developed reference component analysis (RCA), an algorithm that substantially improves clustering accuracy. Using RCA, we identified two distinct subtypes of cancer-associated fibroblasts (CAFs)...
March 20, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28319069/the-branched-chain-amino-acid-transaminase-1-sustains-growth-of-antiestrogen-resistant-and-er%C3%AE-negative-breast-cancer
#15
V Thewes, R Simon, M Hlevnjak, M Schlotter, P Schroeter, K Schmidt, Y Wu, T Anzeneder, W Wang, P Windisch, M Kirchgäßner, N Melling, N Kneisel, R Büttner, U Deuschle, H P Sinn, A Schneeweiss, S Heck, S Kaulfuss, H Hess-Stumpp, J G Okun, G Sauter, A E Lykkesfeldt, M Zapatka, B Radlwimmer, P Lichter, M Tönjes
Antiestrogen-resistant and triple-negative breast tumors pose a serious clinical challenge because of limited treatment options. We assessed global gene expression changes in antiestrogen-sensitive compared with antiestrogen-resistant (two tamoxifen resistant and two fulvestrant resistant) MCF-7 breast cancer cell lines. The branched-chain amino acid transaminase 1 (BCAT1), which catalyzes the first step in the breakdown of branched-chain amino acids, was among the most upregulated transcripts in antiestrogen-resistant cells...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28319067/the-histone-demethylase-kdm3a-and-its-downstream-target-mcam-promote-ewing-sarcoma-cell-migration-and-metastasis
#16
M Sechler, J K Parrish, D K Birks, P Jedlicka
Ewing Sarcoma is the second most common solid pediatric malignant neoplasm of bone and soft tissue. Driven by EWS/Ets, or rarely variant, oncogenic fusions, Ewing Sarcoma is a biologically and clinically aggressive disease with a high propensity for metastasis. However, the mechanisms underpinning Ewing Sarcoma metastasis are currently not well understood. In the present study, we identify and characterize a novel metastasis-promotional pathway in Ewing Sarcoma, involving the histone demethylase KDM3A, previously identified by our laboratory as a new cancer-promoting gene in this disease...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28319066/nucleus-accumbens-associated-protein-1-promotes-glycolysis-and-survival-of-hypoxic-tumor-cells-via-the-hdac4-hif-1%C3%AE-axis
#17
Y Zhang, Y-J Ren, L-C Guo, C Ji, J Hu, H-H Zhang, Q-H Xu, W-D Zhu, Z-J Ming, Y-S Yuan, X Ren, J Song, J-M Yang
Nucleus accumbens-associated protein-1 (NAC1), a nuclear factor of the BTB/POZ gene family, has emerging roles in cancer. In this study, we identified the NAC1-HDAC4-HIF-1α axis as an important pathway in regulating glycolysis and hypoxic adaptation in tumor cells. We show that nuclear NAC1 binds to histone deacetylase type 4 (HDAC4), hindering phosphorylation of HDAC4 at Ser(246) and preventing its nuclear export that leads to cytoplasmic degradation of the deacetylase. Accumulation of HDAC4 in the nuclei results in an attenuation of HIF-1α acetylation, enhancing the stabilization and transcriptional activity of HIF-1α and strengthening adaptive response of cells to hypoxia...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28319064/oct4-controls-mitotic-stability-and-inactivates-the-rb-tumor-suppressor-pathway-to-enhance-ovarian-cancer-aggressiveness
#18
E Comisso, M Scarola, M Rosso, S Piazza, S Marzinotto, Y Ciani, M Orsaria, L Mariuzzi, C Schneider, S Schoeftner, R Benetti
OCT4 (Octamer-binding transcription factor 4) is essential for embryonic stem cell self-renewal. Here we show that OCT4 increases the aggressiveness of high-grade serous ovarian cancer (HG-SOC) by inactivating the Retinoblastoma tumor suppressor pathway and enhancing mitotic stability in cancer cells. OCT4 drives the expression of Nuclear Inhibitor of Protein Phosphatase type 1 (NIPP1) and Cyclin F (CCNF) that together inhibit Protein Phosphatase 1 (PP1). This results in pRB hyper-phosphorylation, accelerated cell proliferation and increased in vitro tumorigenicity of ovarian cancer cells...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28319062/ctcf-genetic-alterations-in-endometrial-carcinoma-are-pro-tumorigenic
#19
A D Marshall, C G Bailey, K Champ, M Vellozzi, P O'Young, C Metierre, Y Feng, A Thoeng, A M Richards, U Schmitz, M Biro, R Jayasinghe, L Ding, L Anderson, E R Mardis, J E J Rasko
CTCF is a haploinsufficient tumour suppressor gene with diverse normal functions in genome structure and gene regulation. However the mechanism by which CTCF haploinsufficiency contributes to cancer development is not well understood. CTCF is frequently mutated in endometrial cancer. Here we show that most CTCF mutations effectively result in CTCF haploinsufficiency through nonsense-mediated decay of mutant transcripts, or loss-of-function missense mutation. Conversely, we identified a recurrent CTCF mutation K365T, which alters a DNA binding residue, and acts as a gain-of-function mutation enhancing cell survival...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28319059/camk2%C3%AE-in-intestinal-epithelial-cells-modulates-colitis-associated-colorectal-carcinogenesis-via-enhancing-stat3-activation
#20
X Ma, Z Meng, L Jin, Z Xiao, X Wang, W M Tsark, L Ding, Y Gu, J Zhang, B Kim, M He, X Gan, J E Shively, H Yu, R Xu, W Huang
Inflammation is one of the major risk factors for cancer. Here, we show that calcium/calmodulin-dependent protein kinase II gamma (CAMK2γ) in intestinal epithelial cells (IECs) modulates inflammatory signals and promotes colitis-associated cancer (CAC) in mice. We have identified CAMK2γ as a downstream target of colitis-induced WNT5A signaling. Furthermore, we have shown that CAMK2γ protects against intestine tissue injury by increasing IEC survival and proliferation. Calcium/calmodulin-dependent protein kinase II gamma knockout mice displayed reduced CAC...
March 20, 2017: Oncogene
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