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https://www.readbyqxmd.com/read/27913931/prognostic-value-of-tumor-infiltrating-lymphocyte-subsets-in-breast-cancer-depends-on-hormone-receptor-status
#1
Yul Ri Chung, Hyun Jeong Kim, Min Hye Jang, So Yeon Park
PURPOSE: Interaction between immune-regulatory proteins and tumor infiltrating lymphocytes (TILs) is complex, and their associations may have significant clinical implications. This study was designed to evaluate the relationships between immunomodulatory proteins and TIL subsets and their impact on prognosis in breast cancer. METHODS: 377 invasive breast cancer cases were selected, and immunohistochemistry was performed for HLA-A, HLA-ABC, and indoleamine 2,3-dioxygenase (IDO); CD4+, CD8+, and FOXP3+ T cells were counted in intratumoral and stromal areas for both absolute numbers as well as their ratios...
December 2, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27912781/an-immune-stratification-reveals-a-subset-of-pd-1-lag-3-double-positive-triple-negative-breast-cancers
#2
Giulia Bottai, Carlotta Raschioni, Agnese Losurdo, Luca Di Tommaso, Corrado Tinterri, Rosalba Torrisi, Jorge S Reis-Filho, Massimo Roncalli, Christos Sotiriou, Armando Santoro, Alberto Mantovani, Sherene Loi, Libero Santarpia
BACKGROUND: Stromal tumor-infiltrating lymphocytes (TILs) are a robust prognostic factor in triple-negative breast cancer (TNBC). However, the clinical significance of TILs may be influenced by the complex landscape of the tumor immune microenvironment. In this study, we aimed to evaluate the composition and the functionality of lymphocytic infiltration and checkpoint receptors in TNBC. METHODS: Formalin-fixed, paraffin-embedded tissues were retrospectively collected from a cohort of patients with early-stage TNBC treated with adjuvant anthracycline-based chemotherapy (n = 259)...
December 3, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27911363/generation-of-induced-pluripotent-stem-cells-from-human-melanoma-tumor-infiltrating-lymphocytes
#3
Hidehito Saito, Kumiko Iwabuchi, Noemi Fusaki, Fumito Ito
Adoptive transfer of ex vivo expanded autologous tumor-infiltrating lymphocytes (TILs) can mediate durable and complete responses in significant subsets of patients with metastatic melanoma. Major obstacles of this approach are the reduced viability of transferred T cells, caused by telomere shortening, and the limited number of TILs obtained from patients. Less-differentiated T cells with long telomeres would be an ideal T cell subset for adoptive T cell therapy;however, generating large numbers of these less-differentiated T cells is problematic...
November 11, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27907881/effect-of-toad-skin-extracts-on-the-pain-behavior-of-cancer-model-mice-and-its-peripheral-mechanism-of-action
#4
Tao Chen, Shen-Jun Yuan, Xue-Qin Yu, Liang-Bo Jiao, Wei Hu, Wang-Long Chen, Bo Xie
The changes in thermal and mechanical hyperalgesia in paw cancer pain model mice and the action mechanism of toad skin extracts (TSE) was investigated. Eighty female mice were subcutaneously injected with saline or inoculated with H22 hepatoma cells in the right hind paw and administration with saline, vehicle, morphine and TSE. The pain behavior was recorded before treatment and at 0.5, 1.0, 1.5, 3 and 6h after initial administration, and thereafter on the 2nd, 4th, 6th, and 8th day after administration. On the last day, samples were collected after the euthanasia for the detection of β-END, CRF, IL-1β, POMC, μ-OR, CD3+, CD8+ and CD4+ in sera and the tumor tissues...
November 28, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27894751/polymerase-%C3%AE%C2%B5-pole-ultra-mutation-in-uterine-tumors-correlates-with-t-lymphocyte-infiltration-and-increased-resistance-to-platinum-based-chemotherapy-in-vitro
#5
Stefania Bellone, Eliana Bignotti, Silvia Lonardi, Francesca Ferrari, Floriana Centritto, Alice Masserdotti, Francesca Pettinella, Jonathan Black, Gulden Menderes, Gary Altwerger, Pei Hui, Salvatore Lopez, Christopher de Haydu, Elena Bonazzoli, Federica Predolini, Luca Zammataro, Emiliano Cocco, Federico Ferrari, Antonella Ravaggi, Chiara Romani, Fabio Facchetti, Enrico Sartori, Franco E Odicino, Dan-Arin Silasi, Babak Litkouhi, Elena Ratner, Masoud Azodi, Peter E Schwartz, Alessandro D Santin
OBJECTIVE: Up to 12% of all endometrial-carcinomas (EC) harbor DNA-polymerase-ε-(POLE) mutations. It is currently unknown whether the favorable prognosis of POLE-mutated EC is derived from their low metastatic capability, extraordinary number of somatic mutations thus imparting immunogenicity, or a high sensitivity to chemotherapy. METHODS: Polymerase-chain-reaction-amplification and Sanger-sequencing were used to test for POLE exonuclease-domain-mutations (exons 9-14) 131 EC...
November 25, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27893413/kir-2d-l1-l3-l4-s4-and-kir-3dl1-protein-expression-in-non-small-cell-lung-cancer
#6
Yayi He, Paul A Bunn, Caicun Zhou, Dan Chan
BACKGROUND: Nature killer (NK) cells are the immune system's first line of defense against both viral infections and tumors. Killer cell immunoglobulin-like receptors (KIRs) are associated with susceptibility to different types of cancers. We investigated KIR 2D (L1, L3, L4, S4) and KIR 3DL1 protein expression and their association with survival in non-small cell lung cancer (NSCLC). METHODS: The expression of KIR 2D (L1, L3, L4, S4) (BC032422/ ADQ31987/ NP_002246/ NP_036446, ABCAM) and KIR 3DL1 (AA 1-444, ABCAM) protein was assessed by immunohistochemistry (IHC) in 62 NSCLC patients...
November 21, 2016: Oncotarget
https://www.readbyqxmd.com/read/27888708/prognostic-value-of-tumor-infiltrating-lymphocytes-for-patients-with-head-and-neck-squamous-cell-carcinoma
#7
Qiaoshi Xu, Chong Wang, Xiaohong Yuan, Zhien Feng, Zhengxue Han
BACKGROUND: The prognostic value of tumor-infiltrating lymphocytes (TILs) in head and neck squamous cell carcinoma (HNSCC) remains controversial. Additionally, there is no standardized approach or cutoff value for evaluating TIL levels. The aim of this study was to establish a feasible method and criterion to assess TIL levels for future clinical practice and research use and to explore the relationship between TIL levels and prognosis. PATIENTS AND METHODS: This retrospective cohort study reviewed the records and pathological sections of 202 patients with HNSCC who were surgically treated at Beijing Stomatological Hospital, Capital Medical University, from January 1998 to January 2011...
November 23, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27878524/muscle-injuries-in-sports-a-new-evidence-informed-and-expert-consensus-based-classification-with-clinical-application
#8
Xavier Valle, Eduard Alentorn-Geli, Johannes L Tol, Bruce Hamilton, William E Garrett, Ricard Pruna, Lluís Til, Josep Antoni Gutierrez, Xavier Alomar, Ramón Balius, Nikos Malliaropoulos, Joan Carles Monllau, Rodney Whiteley, Erik Witvrouw, Kristian Samuelsson, Gil Rodas
Muscle injuries are among the most common injuries in sport and continue to be a major concern because of training and competition time loss, challenging decision making regarding treatment and return to sport, and a relatively high recurrence rate. An adequate classification of muscle injury is essential for a full understanding of the injury and to optimize its management and return-to-play process. The ongoing failure to establish a classification system with broad acceptance has resulted from factors such as limited clinical applicability, and the inclusion of subjective findings and ambiguous terminology...
November 23, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27876684/do-we-still-have-a-digital-divide-in-mental-health-a-five-year-survey-follow-up
#9
Dan Robotham, Safarina Satkunanathan, Lisa Doughty, Til Wykes
BACKGROUND: Nearly everyone in society uses the Internet in one form or another. The Internet is heralded as an efficient way of providing mental health treatments and services. However, some people are still excluded from using Internet-enabled technology through lack of resources, skills, and confidence. OBJECTIVE: Five years ago, we showed that people with severe mental illness were at risk of digital exclusion, especially middle-aged patients with psychosis and/or people from black or minority ethnic groups with psychosis...
November 22, 2016: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/27871030/the-impact-of-gender-on-treatment-effectiveness-of-body-psychotherapy-for-negative-symptoms-of-schizophrenia-a-secondary-analysis-of-the-ness-trial-data
#10
Mark Savill, Stavros Orfanos, Richard Bentall, Ulrich Reininghaus, Til Wykes, Stefan Priebe
Despite promising findings from small-scale studies suggesting that body psychotherapy may be an effective treatment for negative symptoms, these results were not replicated in a recent multisite trial. In this trial a far smaller proportion of women were recruited relative to earlier studies, which may be an issue given the gender mix of the sample evaluated has been found to affect trial outcomes in schizophrenia. Using data from our multisite trial, the interaction between gender and treatment allocation as a predictor of outcomes was examined in 275 participants (72 women and 203 men) randomised to either a body psychotherapy or Pilates group...
November 14, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/27868286/a-high-number-of-stromal-tumor-infiltrating-lymphocytes-is-a-favorable-independent-prognostic-factor-in-m0-stages-i-iii-esophageal-squamous-cell-carcinoma
#11
Jing Li, Yang Tang, Liu Huang, Qianqian Yu, Guangyuan Hu, Yanmei Zou, Xianglin Yuan
Esophageal cancer is a highly invasive tumor with a poor prognosis. Lymphocytes play an important role in systemic immune responses, but their role in cancers varies depending on the specific tumor microenvironment. The aim of this study was to provide evidence for tumor-infiltrating lymphocytes (TILs) as a prognostic biomarker in esophageal squamous cell carcinoma. TIL analysis was retrospectively performed on full-face hematoxylin and eosin-stained sections from 127 patients. A majority (92.6%) of tumors had at least 10% stromal TILs (sTILs) (range, 10%-90%), and 84...
November 21, 2016: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/27864219/neoadjuvant-chemotherapy-nact-increases-immune-infiltration-and-programmed-death-ligand-1-pd-l1-expression-in-epithelial-ovarian-cancer-eoc
#12
S J L Mesnage, A Auguste, C Genestie, A Dunant, E Pain, F Drusch, S Gouy, P Morice, E Bentivegna, C Lhomme, P Pautier, J Michels, A Le Formal, B Cheaib, J Adam, A F Leary
BACKGROUND: Lymphocytic infiltration at diagnosis is prognostic in EOC, however the impact of NACT on tumour infiltrating lymphocytes (TILs) or PD-L1 expression remains poorly described. PATIENTS AND METHODS: Patients with EOC and sequential samples (pre-NACT, post-NACT or relapse) were retrospectively identified. TILs were evaluated on whole sections; stromal TILs (sTILs) scored as percentage of stromal area with high sTILs defined as ≥50%; intra-epithelial TILs (ieTILs) scored semi-quantitatively (0-3) with high ieTILs ≥2...
November 17, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27853635/tumor-infiltrating-tim-3-t-cells-proliferate-avidly-except-when-pd-1-is-co-expressed-evidence-for-intracellular-cross-talk
#13
Jing Li, Gulidanna Shayan, Lyndsay Avery, Hyun-Bae Jie, Neil Gildener-Leapman, Nicole Schmitt, Bin Feng Lu, Lawrence P Kane, Robert L Ferris
Programmed Death 1 (PD-1) and T cell Ig and mucin domain-3 protein (Tim-3) are immune checkpoint receptors highly expressed on tumor infiltrating T lymphocytes (TIL). PD-1 inhibits T cell activation and type-1 T cell responses, while Tim-3 is proposed to mark more extensively exhausted cells, although the mechanisms underlying Tim-3 function are not clear. Trials of anti-PD-1 therapy have identified a large subset of non-responder patients, likely due to expression of alternative checkpoint molecules like Tim-3...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27846884/future-perspectives-in-melanoma-research-meeting-report-from-the-melanoma-bridge-napoli-december-1st-4th-2015
#14
Paolo A Ascierto, Sanjiv Agarwala, Gerardo Botti, Alessandra Cesano, Gennaro Ciliberto, Michael A Davies, Sandra Demaria, Reinhard Dummer, Alexander M Eggermont, Soldano Ferrone, Yang Xin Fu, Thomas F Gajewski, Claus Garbe, Veronica Huber, Samir Khleif, Michael Krauthammer, Roger S Lo, Giuseppe Masucci, Giuseppe Palmieri, Michael Postow, Igor Puzanov, Ann Silk, Stefani Spranger, David F Stroncek, Ahmad Tarhini, Janis M Taube, Alessandro Testori, Ena Wang, Jennifer A Wargo, Cassian Yee, Hassane Zarour, Laurence Zitvogel, Bernard A Fox, Nicola Mozzillo, Francesco M Marincola, Magdalena Thurin
The sixth "Melanoma Bridge Meeting" took place in Naples, Italy, December 1st-4th, 2015. The four sessions at this meeting were focused on: (1) molecular and immune advances; (2) combination therapies; (3) news in immunotherapy; and 4) tumor microenvironment and biomarkers. Recent advances in tumor biology and immunology has led to the development of new targeted and immunotherapeutic agents that prolong progression-free survival (PFS) and overall survival (OS) of cancer patients. Immunotherapies in particular have emerged as highly successful approaches to treat patients with cancer including melanoma, non-small cell lung cancer (NSCLC), renal cell carcinoma (RCC), bladder cancer, and Hodgkin's disease...
November 15, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27835902/squamous-cell-carcinomas-escape-immune-surveillance-via-inducing-chronic-activation-and-exhaustion-of-cd8-t-cells-co-expressing-pd-1-and-lag-3-inhibitory-receptors
#15
Ameet K Mishra, Tanya Kadoishi, Xiaoguang Wang, Emily Driver, Zhangguo Chen, Xiao-Jing Wang, Jing H Wang
Squamous cell carcinoma (SCC) is the second commonest type of skin cancer. Moreover, about 90% of head and neck cancers are SCCs. SCCs develop at a significantly higher rate under chronic immunosuppressive conditions, implicating a role of immune surveillance in controlling SCCs. It remains largely unknown how SCCs evade immune recognition. Here, we established a mouse model by injecting tumor cells derived from primary SCCs harboring KrasG12D mutation and Smad4 deletion into wild-type (wt) or CD8-/- recipients...
November 9, 2016: Oncotarget
https://www.readbyqxmd.com/read/27835889/immunoscore-encompassing-cd3-and-cd8-t-cell-densities-in-distant-metastasis-is-a-robust-prognostic-marker-for-advanced-colorectal-cancer
#16
Yoonjin Kwak, Jiwon Koh, Duck-Woo Kim, Sung-Bum Kang, Woo Ho Kim, Hye Seung Lee
BACKGROUND: The immunoscore (IS), an index based on the density of CD3+ and CD8+ tumor-infiltrating lymphocytes (TILs) in the tumor center (CT) and invasive margin (IM), has gained considerable attention as a prognostic marker. Tumor-associated macrophages (TAMs) have also been reported to have prognostic value. However, its clinical significance has not been fully clarified in patients with advanced CRC who present with distant metastases. METHODS: The density of CD3+, CD4+, CD8+, FOXP3+, CD68+, and CD163+ immune cells within CRC tissue procured from three sites-the primary CT, IM, and distant metastasis (DM)-was determined using immunohistochemistry and digital image analyzer (n=196)...
November 8, 2016: Oncotarget
https://www.readbyqxmd.com/read/27828929/the-characteristics-of-naive-like-t-cells-in-tumor-infiltrating-lymphocytes-from-human-lung-cancer
#17
Si Yuan Sheng, Yong Gu, Chuan Gang Lu, Ying Ying Tang, Jian Yong Zou, Yu Qing Zhang, Rong Fu Wang, Hai Hong
Adoptive cell therapy using autologous tumor-infiltrating lymphocytes (TILs) or genetically modified lymphocytes from TILs is a new effective approach, but the application of TIL immunotherapy is still limited in many solid tumors. Knowledge of the classification and function of TILs is important to develop personalized immunotherapy with TILs in non-small lung cancer (NSCLC). In this study, we show the characteristics of T-cell subsets in TILs isolated from NSCLC. CD3 CD8 CD45RA T cells outnumbered CD3 CD4 CD45RA T cells in CD45RA TILs, but it was the opposite in CD45RO TILs...
November 8, 2016: Journal of Immunotherapy
https://www.readbyqxmd.com/read/27827318/isolation-of-t-cell-receptors-specifically-reactive-with-mutated-tumor-associated-antigens-from-tumor-infiltrating-lymphocytes-based-on-cd137-expression
#18
Maria R Parkhurst, Alena Gros, Anna Pasetto, Todd D Prickett, Jessica S Crystal, Paul F Robbins, Steven A Rosenberg
PURPOSE: The adoptive transfer of lymphocytes genetically modified to express tumor reactive T cell receptors (TCRs) can mediate tumor regression. Some tumor infiltrating lymphocytes (TIL) recognize somatic mutations expressed only in the patient's tumors, and evidence suggests that clinically effective TIL target tumor specific neoantigens. Here we attempted to isolate neoantigen reactive TCRs as a prelude to the treatment of patients with autologous T cells genetically modified to express such TCRs...
November 8, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27821490/suppression-of-type-i-ifn-signaling-in-tumors-mediates-resistance-to-anti-pd-1-treatment-that-can-be-overcome-by-radiotherapy
#19
Xiaohong Wang, Jonathan E Schoenhals, Ailin Li, David R Valdecanas, Huiping Ye, Fenglin Zhang, Chad Tang, Ming Tang, Chang-Gong Liu, Xiuping Liu, Sunil Krishnan, James P Allison, Padmanee Sharma, Patrick Hwu, Ritsuko Komaki, Willem W Overwijk, Daniel R Gomez, Joe Y Chang, Stephen M Hahn, Maria Angelica Cortez, James W Welsh
Immune checkpoint therapies exhibit impressive efficacy in some patients with melanoma or lung cancer, but the lack of response in most cases presses the question of how general efficacy can be improved. In addressing this question, we generated a preclinical tumor model to study anti-PD-1 resistance by in vivo passaging of Kras-mutated, p53-deficient murine lung cancer cells (p53R172HΔg/+K-rasLA1/+) in a syngeneic host exposed to repetitive dosing with anti-mouse PD-1 antibodies. PDL1 (CD274) expression did not differ between the resistant and parental tumor cells...
November 7, 2016: Cancer Research
https://www.readbyqxmd.com/read/27819527/tigit-a-novel-therapeutic-target-for-tumor-immunotherapy
#20
Xin-Guang Liu, Ming Hou, Yu Liu
Co-inhibitory and co-stimulatory receptors act in concert to regulate adaptive immune cell function, and the balance of these receptors is essential for the maintenance of immune homeostasis. Tumors constitute highly suppressive microenvironments in which elevated expression of co-inhibitory receptors on tumor-infiltrating lymphocytes (TILs) is often found. Functional blockade of the co-inhibitory receptors such as cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and programmed cell death 1 (PD-1) have yielded encouraging outcomes in tumors, generating substantial interest in seeking for additional co-inhibitory molecules that may act as potential interfering targets...
November 7, 2016: Immunological Investigations
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