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H F Wang, Y Luo, L B Liu
No abstract text is available yet for this article.
March 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Q L Gui, Y S Wang, S Huang, Y Wan, H P Wang, Z G Zhu, M M Li, H Y Zhu, Q S Tao, Y Y Shen, Q Zhang, H Qin
Objective: To investigate the clinical significance of tumor associated macrophages (TAM) in multiple myeloma (MM) and the relationship with angiogenesis and immunosuppression. Methods: Seventy cases of MM patients diagnosed from August 2015 to June 2017 were enrolled in the study as experimental group, 20 cases of benign hematological diseases (13 with iron deficiency anemia and 7 with megaloblastic anemia) patients as control group. Immunohistochemical method was used to detect the expression of CD163, CD34 and VEGF in bone marrow samples, and flow cytometry was used to detect the proportion of regulatory T cell (Treg cells), ELISA was used to detect the level of IL-10, and the clinical features were analyzed...
February 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
X S Wu, Y Chen, Y P Jin, M L Li, W W Wu, W Gong, Y B Liu, S Y Peng
Objective: To evaluate the role of anatomical hepatectomy in the treatment of intrahepatic cholangiocarcinoma. Methods: The cases of intrahepatic cholangiocarcinoma who received curative surgery in two hospitals from 2010 to 2015 were analyzed retrospectively. Among the 98 patients enrolled in this study, 55 were male and 43 were female. The median age was 61 years. According to receiving anatomical hepatectomy or not, the 98 cases were divided into two groups: non-anatomical hepatectomy( n =30) and anatomical hepatectomy( n =68)...
April 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
(no author information available yet)
Colorectal cancer is one of the most common malignant tumors in China. In 2012 one million thirty six thousand cases of colorectal cancer were diagnosed all over the world, two hundred fifty three thousand cases were diagnosed in China (accounted for 18.6%). China has the largest number of new cases of colorectal cancer in the world. Colorectal cancer has becoming a serious threat of Chinese residents' health. In 2010, the National Ministry of Health organized colorectal cancer expertise of the Chinese Medical Association to write the "Chinese Protocol of Diagnosis and Treatment of Colorectal Cancer" (2010edition), and publish it publicly...
April 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
H Wei, T L Dong, X H Yang
Objective: To evaluate the effect of Penehyclidine Hydrochloride Injection on pulmonary ischemia-reperfusion in aortic dissection surgery. Methods: This study was a prospective randomized controlled trial. Between September 2015 and October 2017 in the Second Affiliated Hospital of Zhengzhou University, 60 patients with aortic dissection underwent total arch replacement surgery were randomly divided into penehyclidine hydrochloride group (group A 30 cases) and control group (group B 30 cases). Patients in group A were infused with penehyclidine hydrochloride 0...
March 13, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
L Lu, H Z Shi, Z J Xiao, D Wang, C L Li
Objective: To summarize the experience in diagnosis and treatment of primary retroperitoneal liposarcoma. Methods: The clinic data of 73 cases of primary retroperitoneal liposarcoma were reviewed. The age of patients was 23 to 75 years old, with a median age of 53 years. Forty-five cases were treated for the first time, and 28 cases were re-treated after local recurrence. All patients underwent ultrasonography, CT or MRI before operation and were diagnosed of primary retroperitoneal liposarcoma. Results: No lymph node and distant metastasis were found in all patients...
March 13, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
H T Gu, J Y Zhou, T Wu, J Y Zhou
Objective: To investigate the clinical features and prognosis of patients with pulmonary sarcomatoid carcinoma (PSC). Methods: The study retrospectively reviewed the clinical, radiological, pathological characteristics and prognosis of 76 patients with PSC who were treated in the First Affiliated Hospital of Medical School of Zhejiang University from January 2011 to December 2016. Gender, age, smoking history, tumor location, tumor size, lymph node metastasis, distant metastasis, TNM staging and treatment methods were analyzed to determine the factors affecting the prognosis of PSC patients...
March 13, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
F Famiglietti, D Leonard, R Bachmann, C Remue, N Abbes Orabi, A van Maanen, M van den Eynde, A Kartheuser
BACKGROUND AND STUDY AIMS: Data about single-incision laparoscopic surgery (SILS) in locally advanced colorectal cancers are scarce. This study aimed to evaluate perioperative and shortterm oncologic outcomes of SILS in pT3-T4 colorectal cancer. PATIENTS AND METHODS: From 2011 to 2015 data from 249 SILS performed in our Colorectal Unit were entered into a prospective database. Data regarding patients with a pT3-T4 colorectal adenocarcinoma were compared to those with pTis-pT2...
January 2018: Acta Gastro-enterologica Belgica
Kathryn Z Guyton, Ivan Rusyn, Weihsueh A Chiu, Denis E Corpet, Martin van den Berg, Matthew K Ross, David C Christiani, Frederick A Beland, Martyn T Smith
Smith et al. (Env. Health Perspect. 124: 713, 2016) identified 10 key characteristics (KCs), one or more of which are commonly exhibited by established human carcinogens. The KCs reflect the properties of a cancer-causing agent, such as 'is genotoxic,' 'is immunosuppressive' or 'modulates receptor-mediated effects,' and are distinct from the hallmarks of cancer, which are the properties of tumors. To assess feasibility and limitations of applying the KCs to diverse agents, methods and results of mechanistic data evaluations were compiled from eight recent IARC Monograph meetings...
February 21, 2018: Carcinogenesis
Wan-Ju Lee, Todd A Lee, Gregory S Calip, Katie J Suda, Leslie Briars, Glen T Schumock
Background: Prior studies evaluating the relationship between tumor necrosis factor-alpha inhibitors (TNFI) and infection were conducted in adults and had conflicting findings. We sought to examine the risk of serious infection associated with TNFIs compared with nonbiologic immunomodulators in children and young adults with inflammatory bowel disease (IBD) and to compare the risk among individual TNFIs. Methods: We conducted a cohort study using the Truven MarketScan Commercial Claims and Encounters database of patients age <30 years with a diagnosis of IBD who initiated treatment with a TNFI or immunomodulator (thiopurines or methotrexate) between 2009 and 2013...
March 19, 2018: Inflammatory Bowel Diseases
Eugene Vortia, Victor E Uko, Belinda Yen-Lieberman, Jill Frawley, Sarah E Worley, Lara Danziger-Isakov, Barbara Kaplan, Lori Mahajan
Background: Tumor necrosis factor alpha (TNF-α) inhibitors are linked with increased risk of reactivation of active tuberculosis. The QuantiFERON-TB Gold In-Tube test is approved for screening latent tuberculosis infection in children and adults. There are limited data on the test performance in children on long-term treatment with TNF-α inhibitors. The objective of this study was to assess the proportion of indeterminate results for the QuantiFERON-TB Gold In-Tube in children with inflammatory bowel disease (IBD) on long-term infliximab treatment and to evaluate the range of interferon-γ responses to mitogen...
March 19, 2018: Inflammatory Bowel Diseases
Hilal Gungor, Nevin Ilhan, Hatice Eroksuz
Colorectal cancer (CRC) is an important cause of cancer-related deaths worldwide. Early diagnosis and treatment of CRCs are of importance for improving the survival. In the present study, we studied the effects of nonsteroidal anti-inflammatory drugs (NSAIDs)-induced chemopreventive effects on tumor development incidence and angiogenesis in experimental CRC rats. 1,2-Dimethylhydrazine dihydrochloride (DMH) was used as cancer-inducing agent and two NSAIDs (celecoxib and diclofenac) were given orally as chemopreventive agents...
March 18, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Jingjing Song, Da Ma, Xiangqi Liu, Yichen Chen, Juan Fang, Vivian Wai Yan Lui, Sijia Zhao, Juan Xia, Bin Cheng, Zhi Wang
Thrombomodulin (TM, also known as CD141), which functions as an anticoagulant, is widely expressed on cell surface of a variety of cell types, including human blood cells as well as certain immune cells. To determine whether TM could be a potential marker for OSCC diagnosis as well as a molecular target for OSCC therapy, we examined the expression of TM in an oral cancer tissue microarray with 153 oral cancer tissues. Further, we also analyzed the expression of TM on DCs of 36 OSCC patients and 36 healthy donors...
March 18, 2018: Clinical Immunology: the Official Journal of the Clinical Immunology Society
Lorraine A O'Reilly, Tracy L Putoczki, Lisa A Mielke, Jun T Low, Ann Lin, Adele Preaudet, Marco J Herold, Kelvin Yaprianto, Lin Tai, Andrew Kueh, Guido Pacini, Richard L Ferrero, Raffi Gugasyan, Yifang Hu, Michael Christie, Stephen Wilcox, Raelene Grumont, Michael D W Griffin, Liam O'Connor, Gordon K Smyth, Mathias Ernst, Paul Waring, Steve Gerondakis, Andreas Strasser
Polymorphisms in NFKB1 that diminish its expression have been linked to human inflammatory diseases and increased risk for epithelial cancers. The underlying mechanisms are unknown, and the link is perplexing given that NF-κB signaling reportedly typically exerts pro-tumorigenic activity. Here we have shown that NF-κB1 deficiency, even loss of a single allele, resulted in spontaneous invasive gastric cancer (GC) in mice that mirrored the histopathological progression of human intestinal-type gastric adenocarcinoma...
March 20, 2018: Immunity
Dale I Godfrey, Jérôme Le Nours, Daniel M Andrews, Adam P Uldrich, Jamie Rossjohn
Most studies on the immunotherapeutic potential of T cells have focused on CD8 and CD4 T cells that recognize peptide antigens (Ag) presented by polymorphic major histocompatibility complex (MHC) class I and MHC class II molecules, respectively. However, unconventional T cells, which interact with MHC class Ib and MHC-I like molecules, are also implicated in tumor immunity, although their role therein is unclear. These include unconventional T cells targeting MHC class Ib molecules such as HLA-E and its murine ortholog Qa-1b, natural killer T (NKT) cells, mucosal associated invariant T (MAIT) cells, and γδ T cells...
March 20, 2018: Immunity
Chong Sun, Riccardo Mezzadra, Ton N Schumacher
Expression of programmed death-ligand 1 (PD-L1) is frequently observed in human cancers. Binding of PD-L1 to its receptor PD-1 on activated T cells inhibits anti-tumor immunity by counteracting T cell-activating signals. Antibody-based PD-1-PD-L1 inhibitors can induce durable tumor remissions in patients with diverse advanced cancers, and thus expression of PD-L1 on tumor cells and other cells in the tumor microenviroment is of major clinical relevance. Here we review the roles of the PD-1-PD-L1 axis in cancer, focusing on recent findings on the mechanisms that regulate PD-L1 expression at the transcriptional, posttranscriptional, and protein level...
March 20, 2018: Immunity
Max D Wellenstein, Karin E de Visser
Owing to their tremendous diversity and plasticity, immune cells exert multifaceted functions in tumor-bearing hosts, ranging from anti-tumor to pro-tumor activities. Tumor immune landscapes differ greatly between and within cancer types. Emerging evidence suggests that genetic aberrations in cancer cells dictate the immune contexture of tumors. Here, we review the current understanding of the mechanisms whereby common drivers of tumorigenesis modulate the tumor immune milieu. We discuss these findings in the context of clinical observations and examine how cancer-cell-intrinsic properties can be exploited to maximize the benefit of immunomodulatory therapies...
March 20, 2018: Immunity
Jennifer F Knight, Vanessa Y C Sung, Elena Kuzmin, Amber L Couzens, Danielle A de Verteuil, Colin D H Ratcliffe, Paula P Coelho, Radia M Johnson, Payman Samavarchi-Tehrani, Tina Gruosso, Harvey W Smith, Wontae Lee, Sadiq M Saleh, Dongmei Zuo, Hong Zhao, Marie-Christine Guiot, Ryan R Davis, Jeffrey P Gregg, Christopher Moraes, Anne-Claude Gingras, Morag Park
Triple-negative breast cancers (TNBCs) display a complex spectrum of mutations and chromosomal aberrations. Chromosome 5q (5q) loss is detected in up to 70% of TNBCs, but little is known regarding the genetic drivers associated with this event. Here, we show somatic deletion of a region syntenic with human 5q33.2-35.3 in a mouse model of TNBC. Mechanistically, we identify KIBRA as a major factor contributing to the effects of 5q loss on tumor growth and metastatic progression. Re-expression of KIBRA impairs metastasis in vivo and inhibits tumorsphere formation by TNBC cells in vitro...
March 20, 2018: Cell Reports
Raul Vizcardo, Nicholas D Klemen, S M Rafiqul Islam, Devikala Gurusamy, Naritaka Tamaoki, Daisuke Yamada, Haruhiko Koseki, Benjamin L Kidder, Zhiya Yu, Li Jia, Amanda N Henning, Meghan L Good, Marta Bosch-Marce, Takuya Maeda, Chengyu Liu, Zied Abdullaev, Svetlana Pack, Douglas C Palmer, David F Stroncek, Fumito Ito, Francis A Flomerfelt, Michael J Kruhlak, Nicholas P Restifo
Induced pluripotent stem cell (iPSC)-derived T cells may provide future therapies for cancer patients, but those generated by current methods, such as the OP9/DLL1 system, have shown abnormalities that pose major barriers for clinical translation. Our data indicate that these iPSC-derived CD8 single-positive T cells are more like CD4+ CD8+ double-positive T cells than mature naive T cells because they display phenotypic markers of developmental arrest and an innate-like phenotype after stimulation. We developed a 3D thymic culture system to avoid these aberrant developmental fates, generating a homogeneous subset of CD8αβ+ antigen-specific T cells, designated iPSC-derived thymic emigrants (iTEs)...
March 20, 2018: Cell Reports
Kate E R Hollinshead, Haydn Munford, Katherine L Eales, Chiara Bardella, Chunjie Li, Cristina Escribano-Gonzalez, Alpesh Thakker, Yannic Nonnenmacher, Katarina Kluckova, Mark Jeeves, Robert Murren, Federica Cuozzo, Dan Ye, Giulio Laurenti, Wei Zhu, Karsten Hiller, David J Hodson, Wei Hua, Ian P Tomlinson, Christian Ludwig, Ying Mao, Daniel A Tennant
Since the discovery of mutations in isocitrate dehydrogenase 1 (IDH1) in gliomas and other tumors, significant efforts have been made to gain a deeper understanding of the consequences of this oncogenic mutation. One aspect of the neomorphic function of the IDH1 R132H enzyme that has received less attention is the perturbation of cellular redox homeostasis. Here, we describe a biosynthetic pathway exhibited by cells expressing mutant IDH1. By virtue of a change in cellular redox homeostasis, IDH1-mutated cells synthesize excess glutamine-derived proline through enhanced activity of pyrroline 5-carboxylate reductase 1 (PYCR1), coupled to NADH oxidation...
March 20, 2018: Cell Reports
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