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https://www.readbyqxmd.com/read/28619967/a-four-factor-immunoscore-system-that-predicts-clinical-outcome-for-stage-ii-iii-gastric-cancer
#1
Ti Wen, Zhenning Wang, Yi Li, Zhi Li, Xiaofang Che, Yibo Fan, Shuo Wang, Jinglei Qu, Xianghong Yang, Kezuo Hou, Wenyang Zhou, Ling Xu, Ce Li, Jin Wang, Jing Liu, Liqun Chen, Jingdong Zhang, Xiujuan Qu, Yunpeng Liu
The American Joint Committee on Cancer (AJCC) staging system is insufficiently prognostic for operable gastric cancer (GC) patients, therefore complementary factors are under intense investigation. Although the focus is on immune markers, the prognostic impact of a single immune factor is minimal, due to complex antitumor immune responses. A more comprehensive evaluation may engender more accurate predictions. We analyzed immune factors by immunohistochemical staining in two independent cohorts. The association with patients' survival was analyzed by the Kaplan-Meier method...
June 15, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28618922/high-expression-of-c-x-c-chemokine-receptor-4-and-notch1-is-predictive-of-lymphovascular-invasion-and-poor-prognosis-in-lung-adenocarcinoma
#2
Zhuangzhuang Cong, Haiwei Wu, Zhong Guo, Tao Qin, Yang Xu, Hua Jing, Yanqing Wang, Yi Shen
C-X-C chemokine receptor 4 and Notch1 have been shown to play oncogenic role individually. This study aimed to determine the combinatorial role of C-X-C chemokine receptor 4 and Notch1 in lung adenocarcinoma. Expression of C-X-C chemokine receptor 4 and Notch1 was detected in resected tumor samples from 185 patients with lung adenocarcinoma at stage I-IIIa by immunohistochemistry. Correlations of their immunoscores with clinicopathological characteristics and disease-specific survival were retrospectively investigated...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28585618/-predictive-markers-of-immunotherapy-of-cancer-practical-issues-of-pd-l1-testing
#3
József Tímár, Andrea Ladányi
Pathologists have detected signs of antitumor immune reactions for a long time but only in case of a few cancer types became this part of the report. The advent of immunotherapy of cancers, however, radically alters this routine and promotes the development of clinically valid prognostic and predictive immunological makers. The most advanced immunological markers are the Immunoscore (density of T-cell subpopulations), and PD-L1 protein expression on tumor or immune cells. PD-L1 testing of cancers raises new issues since almost all novel therapies developed its own in vitro diagnostics...
June 6, 2017: Magyar Onkologia
https://www.readbyqxmd.com/read/28585616/-role-of-immunotherapy-in-the-management-of-colorectal-cancer
#4
György Bodoky
Immunotherapy proved to be effective in various forms of cancer but it is in its infancy in colorectal cancer, although the Immunoscore was developed to classify this tumor immunologically. Various forms of immunotherapy were tested in early clinical trials but anti-PD-1 antibodies seem the most promising so far. These studies also revealed that one particular molecular subgroup of colorectal cancer, the microsatellite instable variant, is extremely sensitive for such modality.
June 6, 2017: Magyar Onkologia
https://www.readbyqxmd.com/read/28574843/characterization-of-tumor-associated-t-lymphocyte-subsets-and-immune-checkpoint-molecules-in-head-and-neck-squamous-cell-carcinoma
#5
Axel Lechner, Hans Schlößer, Sacha I Rothschild, Martin Thelen, Sabrina Reuter, Peter Zentis, Alexander Shimabukuro-Vornhagen, Sebastian Theurich, Kerstin Wennhold, Maria Garcia-Marquez, Lars Tharun, Alexander Quaas, Astrid Schauss, Jörg Isensee, Tim Hucho, Christian Huebbers, Michael von Bergwelt-Baildon, Dirk Beutner
The composition of tumor-infiltrating lymphocytes (TIL) reflects biology and immunogenicity of cancer. Here, we characterize T-cell subsets and expression of immune checkpoint molecules in head and neck squamous cell carcinoma (HNSCC). We analyzed TIL subsets in primary tumors (n = 34), blood (peripheral blood mononuclear cells (PBMC); n = 34) and non-cancerous mucosa (n = 7) of 34 treatment-naïve HNSCC patients and PBMC of 15 healthy controls. Flow cytometry analyses revealed a highly variable T-cell infiltration mainly of an effector memory phenotype (CD45RA-/CCR7-)...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445292/prognostic-value-of-immunoscore-to-identify-mortality-outcomes-in-adults-with-hbv-related-primary-hepatocellular-carcinoma
#6
Qinwei Yao, Xuli Bao, Ran Xue, Hui Liu, Haixia Liu, Juan Li, Jinling Dong, Zhonghui Duan, Meixin Ren, Juan Zhao, Qi Song, Hongwei Yu, Yueke Zhu, Jun Lu, Qinghua Meng
This study aimed to determine if the immunoscore (IS) staging system would be a potential prognostic factor in hepatitis B virus-related hepatocellular carcinoma (HBV-HCC) in China.IS was performed in a consecutive cohort of HBV-HCC patients (n= 92). CD3+, CD8+, and CD45RO+ T cells were quantified by immunohistochemical analyses. The patients were stratified into 5 IS groups: I0, I1, I2, I3, I4 for every 2 cell phenotypes (IS1 (CD8/CD45RO, IS2 (CD3/CD8), and IS3 (CD3/CD45RO), respectively. ImagePro Plus software was used in the calculation of the paraffin-embedded tumor sections...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28439929/the-roles-of-autophagy-and-hypoxia-in-human-inflammatory-periapical-lesions
#7
H Y Huang, W C Wang, P Y Lin, C P Huang, C Y Chen, Y K Chen
AIM: To determine the expressions of hypoxia-related [hypoxia-inducible transcription factors (HIF)-1α, BCL2/adenovirus E1B 19 kDa protein-interacting protein 3 (BNIP3) and phospho-adenosine monophosphate activated protein kinase (pAMPK)] and autophagy-related [microtubule-associated protein 1 light chain 3 (LC3), beclin-1 (BECN-1), autophagy-related gene (Atg)5-12, and p62] proteins in human inflammatory periapical lesions. METHODOLOGY: Fifteen samples of radicular cysts (RCs) and 21 periapical granulomas (PGs), combined with 17 healthy dental pulp tissues, were examined...
April 25, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28427085/tumour-invasiveness-the-local-and-systemic-environment-and-the-basis-of-staging-systems-in-colorectal-cancer
#8
J H Park, H van Wyk, C S D Roxburgh, P G Horgan, J Edwards, D C McMillan
BACKGROUND: The present study aimed to examine the relationship between tumour invasiveness (T stage), the local and systemic environment and cancer-specific survival (CSS) of patients with primary operable colorectal cancer. METHODS: The tumour microenvironment was examined using measures of the inflammatory infiltrate (Klintrup-Makinen (KM) grade and Immunoscore), tumour stroma percentage (TSP) and tumour budding. The systemic inflammatory environment was examined using modified Glasgow Prognostic Score (mGPS) and neutrophil:lymphocyte ratio (NLR)...
May 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28422766/an-immunoscore-using-pd-l1-cd68-and-tumor-infiltrating-lymphocytes-tils-to-predict-response-to-neoadjuvant-chemotherapy-in-invasive-breast-cancer
#9
Lauren E McLemore, Murali Janakiram, Joseph Albanese, Nella Shapiro, Yungtai Lo, Xingxing Zang, Susan Fineberg
Response to neoadjuvant chemotherapy (NAC) in invasive breast cancer (IBC) is partly regulated by the immune microenvironment. We evaluated immune checkpoint PD-L1 expression, presence of CD68+ cells of macrophage/monocytic lineage and stromal tumor-infiltrating lymphocytes (TILs) in prechemotherapy biopsies and correlated with NAC response. We studied 76 cases of IBC. Prechemotherapy biopsies with >30% TILs were considered lymphocyte-rich IBC. We performed immunohistochemistry for PD-L1 and CD68. Prechemotherapy cores showing >1% PD-L1+ immune or tumor cells were considered positive...
April 18, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28412781/molecular-testing-to-optimize-and-personalize-decision-making-in-the-management-of-colorectal-cancer
#10
REVIEW
Marwan Al-Hajeili, Anthony F Shields, Jimmy J Hwang, Raymond C Wadlow, John L Marshall
Recent improvements in our understanding of the biology of colorectal cancer have led to the identification of several important prognostic and predictive markers of disease-associated risk and treatment response for the individual patient. Proper utilization of these biomarkers can enable physicians to tailor therapeutic strategies to maximize the likelihood of response and minimize treatment toxicity. In the management of colorectal cancer, tremendous progress has been made in the development of strategies for immune checkpoint inhibition; in refinement of agents and approaches used in targeted therapy; and in techniques for molecular subtyping of tumor samples that have identified patient subgroups with clinically relevant cellular differences potentially affecting clinical management and treatment outcome...
April 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28355940/immunohistochemical-analysis-of-egfr-and-hyaluronan-in-tongue-cancer-and-the-development-of-regional-recurrence-in-patients-initially-diagnosed-n0
#11
Eva Lindell Jonsson, Karin Nylander, Lars Hallén, Göran Laurell
OBJECTIVE: To investigate whether the extent of expression of hyaluronan (HA) and epidermal growth factor receptor (EGFR) in squamous cell carcinoma of the mobile tongue can predict the risk of cervical metastasis and survival. STUDY DESIGN: Retrospective histopathologic study. METHODS: Surgical specimens from 64 patients who had undergone surgery for squamous cell carcinoma of the mobile tongue were assessed using immunohistochemistry to investigate the expression of HA and EGFR in the primary tumours, and the data were then correlated to cervical metastasis and survival...
March 30, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28347886/immunohistochemical-expression-of-epithelial-cell-adhesion-molecule-epcam-in-mucoepidermoid-carcinoma-compared-to-normal-salivary-gland-tissues
#12
Noura M Kamal, Hend M Salem, Heba M Dahmoush
OBJECTIVES: Mucoepidermoid carcinoma (MEC) is the most common malignant salivary gland tumor which displays biological, histological and clinical diversity thus representing a challenge for its diagnosis and management. Epithelial cell adhesion molecule (EpCAM) is a transmembrane glycoprotein identified as a tumor specific antigen due to its frequent overexpression in the majority of epithelial carcinomas and its correlation with prognosis. It is considered to be a promising biomarker used as a therapeutic target already in ongoing clinical trials...
July 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28325116/stem-cell-markers-describe-a-transition-from-somatic-to-pluripotent-cell-states-in-a-rat-model-of-endometriosis
#13
Essam Rashad Othman, Fatma Yassine Meligy, Ayat Abdel-Rahman Sayed, Mohamed Ahmed El-Mokhtar, Abeer Mohamed Refaiy
OBJECTIVE: To study Thy1 as a fibroblast marker, SSEA1 as a marker of intermediate pluripotency, and Oct4 as a marker of established pluripotency in rat model of endometriosis. DESIGN: In vivo animal study. MATERIALS AND METHODS: Endometriosis was induced in 20 albino female rats through autologous transplantation of one uterine horn to mesentery of intestine. Other 20 rats had their horn removed without transplantation (controls). Rats were sacrificed 4 weeks after induction surgery...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28161000/-focus-on-the-immunoscore-and-its-potential-clinical-implications
#14
Carine El Sissy, Florence Marliot, Nacilla Haicheur, Amos Kirilovsky, Dragos Scripcariu, Christine Lagorce-Pagès, Jérôme Galon, Franck Pagès
The role of the immune response at the tumor site is now recognized as crucial in the clinical course of patients with cancer. The importance of the immune cell type, their functional orientation, their density and location within the tumor's regions (tumor/invasion margin) has recently been shown and were grouped together under the term "immune contexture". A strong infiltration by cytotoxic and memory T cells in a Th1-polarized tumor microenvironment appears to have a major prognosis impact. A test called Immunoscore taking into account these various parameters has been suggested to measure in a simple, reproducible and robust manner the intra- and peritumoral immune response...
February 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28116480/inclusion-of-blimp-1-effector-regulatory-t-cells-improves-the-immunoscore-in-a-cohort-of-new-zealand-colorectal-cancer-patients-a-pilot-study
#15
Kirsten A Ward-Hartstonge, John L McCall, Timothy R McCulloch, Ann-Kristin Kamps, Adam Girardin, Erika Cretney, Fran M Munro, Roslyn A Kemp
Analysis of tumour-infiltrating T cells in colorectal cancer can predict disease-free survival. The Immunoscore, obtained by quantifying tumour-infiltrating CD3(+) and CD8(+) T cells, may improve current staging. Effector regulatory T cells are a potently suppressive subset in mice and, while present in human colorectal cancer, their role in patient outcome is unknown. Immunofluorescence was used to analyse immune cell infiltrates in patients with early (stage II) colorectal cancer with (n = 13) and without (n = 19) recurrent disease...
April 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28098570/preferential-localization-of-met-expression-at-the-invasion-front-and-in-spreading-cells-through-air-spaces-in-non-small-cell-lung-carcinomas
#16
Camille Lapère, Alexis B Cortot, Valérie Grégoire, Vincent Cockenpot, David Tulasne, Marie-Christine Copin
The involvement of the HGF/MET pathway in acquisition of an invasive phenotype in non-small cell lung carcinomas (NSCLCs) suggests that MET inhibitors might prove effective against these cancers, but clinical trials have yielded conflicting results. The aim of our study was to evaluate how intratumoral heterogeneity (ITH) of MET staining affects the determination of MET status for therapeutic purposes. We analyzed 64 NSCLC samples, including 33 adenocarcinomas (ADCs) and 31 squamous cell carcinomas (SCCs). We used immunohistochemistry to detect MET and phospho-MET on whole slides and determined the MET SP44 immunoscore and the H-score...
March 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28089104/immunoscore-predicts-gastric-cancer-postsurgical-outcome
#17
Mai Wang
No abstract text is available yet for this article.
January 6, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28059608/near-future-of-tumor-immunology-anticipating-resistance-mechanisms-to-immunotherapies-a-big-challenge-for-clinical-trials
#18
João Paulo Portela Catani, Rachel P Riechelmann, Sandy Adjemian, Bryan E Strauss
The success of immunotherapies brings hope for the future of cancer treatment. Even so, we are faced with a new challenge, that of understanding which patients will respond initially and, possibly, develop resistance. The examination of the immune profile, especially approaches related to the immunoscore, may foretell which tumors will have a positive initial response. Ideally, the mutation load would also be analyzed, helping to reveal tumor associated antigens that are predictive of an effective cytolytic attack...
May 4, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28002059/immunoscore-signature-a-prognostic-and-predictive-tool-in-gastric-cancer
#19
Yuming Jiang, Qi Zhang, Yanfeng Hu, Tuanjie Li, Jiang Yu, Liying Zhao, Gengtai Ye, Haijun Deng, Tingyu Mou, Shirong Cai, Zhiwei Zhou, Hao Liu, Guihua Chen, Guoxin Li, Xiaolong Qi
OBJECTIVE: We postulated that the ImmunoScore (IS) could markedly improve the prediction of postsurgical survival and chemotherapeutic benefits in gastric cancer (GC). SUMMARY BACKGROUND DATA: A prediction model for GC patients was developed using data from 879 consecutive patients. METHODS: The expression of 27 immune features was detected in 251 specimens by using immunohistochemistry, and a 5-feature-based ISGC was then constructed using the LASSO Cox regression model...
December 20, 2016: Annals of Surgery
https://www.readbyqxmd.com/read/27890949/p16-immunostaining-as-a-predictor-of-anal-and-cervical-dysplasia-in-women-attending-a-sexually-transmitted-infection-clinic
#20
Deepika Pandhi, Kavita Bisherwal, Archana Singal, Kiran Guleria, Kiran Mishra
BACKGROUND: Carcinogenesis caused by human papillomavirus (HPV) leads to over-expression of p16 protein. p16 may act as a marker of HPV integration with host genome and serve as a surrogate marker of HPV oncogenesis. MATERIALS AND METHODS: A single center study of 75 women (35 HIV-positive and 40 HIV-negative women) was conducted. Anal and cervical specimens were obtained for cytology and p16 immunostaining. RESULTS: The sensitivity of p16 to diagnose anal and cervical dysplasia was 50% and 58...
July 2016: Indian Journal of Sexually Transmitted Diseases
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