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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/27865134/polychromatic-light-480-3400nm-similar-to-the-terrestrial-solar-spectrum-without-its-uv-component-in-post-surgical-immunorehabilitation-of-breast-cancer-patients
#3
Natalia A Zhevago, Alexander A Zimin, Tatyana V Glazanova, Natalia I Davydova, Natalia V Bychkova, Zhanna V Chubukina, Anna I Buinyakova, Marina F Ballyuzek, Kira A Samoilova
To this day, two methods of phototherapy (PT) have been successfully used in post-surgical immunorehabilitation of patients with breast cancer (BC): intravenous laser irradiation of the patients' blood and reinfusion of lympholeukosuspension of BC patients after single irradiation with HeNe laser. The objective of this pilot experimental study was to verify the effectiveness of the percutaneous use of polychromatic visible light combined with polychromatic infrared (pVIS+pIR) radiation similar to the major components of natural solar spectrum in post-surgical management of BC patients...
November 5, 2016: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/27858122/increased-cd14-and-decreased-cd14-populations-of-monocytes-48%C3%A2-h-after-zolendronic-acid-infusion-in-breast-cancer-patients
#4
A Kyrgidis, M P Yavropoulou, R Lagoudaki, C Andreadis, K Antoniades, D Kouvelas
: It has been proposed that bisphosphonates cause osteonecrosis of the jaws through impairment of the monocyte population function and proliferation. Such changes have been confirmed in jaw tissues, ex vivo. In this clinical study, we report for the first time a similar pattern of changes in peripheral blood monocytes. INTRODUCTION: The aim of this study is to examine the effect of zolendronic acid administration in the peripheral blood white cell population, seeking a plausible pathophysiological link between bisphosphonates and osteonecrosis of the jaw...
November 17, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27787640/peripheral-t-cell-responses-to-tumour-antigens-are-associated-with-molecular-immunogenetic-and-cellular-features-of-breast-cancer-patients
#5
Nicole Janssen, Sotirios P Fortis, Lisa Speigl, Christoforos Haritos, Nectaria N Sotiriadou, Michael Sofopoulos, Niki Arnogiannaki, Catherine Stavropoulos-Giokas, Amalia Dinou, Sonia Perez, Graham Pawelec, Constantin N Baxevanis, Christopher Shipp
PURPOSE: Breast cancer is a leading cause of cancer deaths in women, but despite steady improvements in therapies, treatment is still suboptimal. Immunotherapy holds promise as a more effective therapy for breast cancer; supporting this, our prior study showed that patients possessing HER2-reactive CD8+ T cells in blood experience survival superior to patients without these cells. Here, we define a composite set of biomarkers that identify patients with T cell responses to tumour antigens...
October 27, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27785654/characterizing-the-immune-microenvironment-in-high-risk-ductal-carcinoma-in-situ-of-the-breast
#6
Michael J Campbell, Frederick Baehner, Tess O'Meara, Ekene Ojukwu, Booyeon Han, Rita Mukhtar, Vickram Tandon, Max Endicott, Zelos Zhu, Jasmine Wong, Gregor Krings, Alfred Au, Joe W Gray, Laura Esserman
PURPOSE: The recent increase in the incidence of ductal carcinoma in situ (DCIS) has sparked debate over the classification and treatment of this disease. Although DCIS is considered a precursor lesion to invasive breast cancer, some DCIS may have more or less risk than is realized. In this study, we characterized the immune microenvironment in DCIS to determine if immune infiltrates are predictive of recurrence. METHODS: Fifty-two cases of high-grade DCIS (HG-DCIS), enriched for large lesions and a history of recurrence, were age matched with 65 cases of non-high-grade DCIS (nHG-DCIS)...
October 26, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27777963/crucial-contributions-by-t-lymphocytes-effector-regulatory-and-checkpoint-inhibitor-and-cytokines-th1-th2-and-th17-to-a-pathological-complete-response-induced-by-neoadjuvant-chemotherapy-in-women-with-breast-cancer
#7
Viriya Kaewkangsadan, Chandan Verma, Jennifer M Eremin, Gerard Cowley, Mohammed Ilyas, Oleg Eremin
The tumour microenvironment consists of malignant cells, stroma, and immune cells. Prominent tumour-infiltrating lymphocytes (TILs) in breast cancer are associated with a good prognosis and are predictors of a pathological complete response (pCR) with neoadjuvant chemotherapy (NAC). The contribution of different T effector/regulatory cells and cytokines to tumour cell death with NAC requires further characterisation and was investigated in this study. Breast tumours from 33 women with large and locally advanced breast cancers undergoing NAC were immunohistochemically (intratumoural, stromal) assessed for T cell subsets and cytokine expression using labelled antibodies, employing established semiquantitative methods...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27777881/tumor-infiltrating-lymphocytes-in-triple-negative-breast-cancer-receiving-neoadjuvant-chemotherapy
#8
Carlos A Castaneda, Elizabeth Mittendorf, Sandro Casavilca, Yun Wu, Miluska Castillo, Patricia Arboleda, Teresa Nunez, Henry Guerra, Carlos Barrionuevo, Ketty Dolores-Cerna, Carolina Belmar-Lopez, Julio Abugattas, Gabriela Calderon, Miguel De La Cruz, Manuel Cotrina, Jorge Dunstan, Henry L Gomez, Tatiana Vidaurre
AIM: To determine influence of neoadjuvant-chemotherapy (NAC) over tumor-infiltrating-lymphocytes (TIL) in triple-negative-breast-cancer (TNBC). METHODS: TILs were evaluated in 98 TNBC cases who came to Instituto Nacional de Enfermedades Neoplasicas from 2005 to 2010. Immunohistochemistry staining for CD3, CD4, CD8 and FOXP3 was performed in tissue microarrays (TMA) sections. Evaluation of H/E in full-face and immunohistochemistry in TMA sections was performed in pre and post-NAC samples...
October 10, 2016: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27727484/comparison-of-tumour-infiltrating-lymphocytes-between-primary-and-metastatic-tumours-in-breast-cancer-patients
#9
Rin Ogiya, Naoki Niikura, Nobue Kumaki, Giampaolo Bianchini, Shigehisa Kitano, Takayuki Iwamoto, Naoki Hayashi, Kozue Yokoyama, Risa Oshitanai, Mayako Terao, Toru Morioka, Banri Tsuda, Takuho Okamura, Yuki Saito, Yasuhiro Suzuki, Yutaka Tokuda
The presence of tumour-infiltrating lymphocytes (TILs) is associated with favourable long-term outcome in breast cancer. However, little is known about changes in TILs during metastatic progression. To confirm our hypothesis that malignant tumours escape from the host immune system during metastasis, we evaluated the percentage of TILs in paired samples of primary and metastatic breast tumours. We retrospectively identified 25 patients with human epidermal growth factor receptor-2 (HER2)-positive (n = 14, HER2+) and triple negative (n = 11, TN) early breast cancer diagnosed during 1990-2009 at Tokai University Hospital and who subsequently experienced regional or distant recurrence confirmed by tumour biopsy/resection...
October 11, 2016: Cancer Science
https://www.readbyqxmd.com/read/27707838/activation-of-sting-dependent-innate-immune-signaling-by-s-phase-specific-dna-damage-in-breast-cancer
#10
Eileen E Parkes, Steven M Walker, Laura E Taggart, Nuala McCabe, Laura A Knight, Richard Wilkinson, Karen D McCloskey, Niamh E Buckley, Kienan I Savage, Manuel Salto-Tellez, Stephen McQuaid, Mary T Harte, Paul B Mullan, D Paul Harkin, Richard D Kennedy
BACKGROUND: Previously we identified a DNA damage response-deficient (DDRD) molecular subtype within breast cancer. A 44-gene assay identifying this subtype was validated as predicting benefit from DNA-damaging chemotherapy. This subtype was defined by interferon signaling. In this study, we address the mechanism of this immune response and its possible clinical significance. METHODS: We used immunohistochemistry (IHC) to characterize immune infiltration in 184 breast cancer samples, of which 65 were within the DDRD subtype...
January 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/27680685/ccr2-influences-t-regulatory-cell-migration-to-tumors-and-serves-as-a-biomarker-of-cyclophosphamide-sensitivity
#11
Pierre-Louis Loyher, Juliette Rochefort, Camille Baudesson de Chanville, Pauline Hamon, Géraldine Lescaille, Chloé Bertolus, Maude Guillot-Delost, Matthew F Krummel, François M Lemoine, Christophe Combadière, Alexandre Boissonnas
The CCL2 chemokine receptor CCR2 drives cancer by mediating the recruitment of monocytes and myeloid-derived suppressor cells to the tumor microenvironment. In this study, we extend the significance of CCR2 in this setting by identifying a new role for it in mediating recruitment of CD4(+) T regulatory cells (Treg). Following tumor initiation, an expanded population of CCR2(+) Tregs required CCR2 expression to traffic between draining lymph nodes (dLN) and the tumor. This Treg subset was enriched in the fraction of tumor antigen-specific cells in the dLN, where they displayed an activated immunosuppressive phenotype...
September 28, 2016: Cancer Research
https://www.readbyqxmd.com/read/27641610/human-biofield-therapy-does-not-affect-tumor-size-but-modulates-immune-responses-in-a-mouse-model-for-breast-cancer
#12
Gloria Gronowicz, Eric R Secor, John R Flynn, Liisa T Kuhn
OBJECTIVE: To assess the effect of human biofield therapy, an integrative medicine modality, on the development of tumors and metastasis, and immune function in a mouse breast cancer model. METHODS: Mice were injected with 66cl4 mammary carcinoma cells. In study one, mice received biofield therapy after cell injection. In study two, mice were treated by the biofield practitioner only prior to cell injection. Both studies had two control groups of mock biofield treatments and phosphate-buffered saline injection...
September 2016: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/27566765/a-pilot-study-of-preoperative-single-dose-ipilimumab-and-or-cryoablation-in-women-with-early-stage-breast-cancer-with-comprehensive-immune-profiling
#13
Heather L McArthur, Adi Diab, David B Page, Jianda Yuan, Stephen B Solomon, Virgilio Sacchini, Christopher Comstock, Jeremy C Durack, Majid Maybody, Janice Sung, Arielle Ginsberg, Phillip Wong, Afsar Barlas, Zhiwan Dong, Chunjun Zhao, Brian Blum, Sujata Patil, Deirdre Neville, Elizabeth A Comen, Elizabeth A Morris, Alan Kotin, Edi Brogi, Y Hannah Wen, Monica Morrow, Mario E Lacouture, Padmanee Sharma, James P Allison, Clifford A Hudis, Jedd D Wolchok, Larry Norton
PURPOSE: To assess the safety and tolerability of preoperative cryoablation-mediated tumor antigen presentation and/or ipilimumab-mediated immune modulation in women with operable breast cancer. EXPERIMENTAL DESIGN: In this pilot study, 19 women with breast cancer for whom mastectomy was planned were treated with preoperative tumor cryoablation (n = 7), single-dose ipilimumab at 10 mg/kg (n = 6), or both (n = 6). The primary outcome for this pilot study was safety/tolerability as defined as freedom from delays in pre-planned, curative-intent mastectomy...
December 1, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27485137/analyses-of-pretherapy-peripheral-immunoscore-and-response-to-vaccine-therapy
#14
Benedetto Farsaci, Renee N Donahue, Italia Grenga, Lauren M Lepone, Peter S Kim, Brendan Dempsey, Janet C Siebert, Nuhad K Ibrahim, Ravi A Madan, Christopher R Heery, James L Gulley, Jeffrey Schlom
Tumor immunoscore analyses, especially for primary colorectal cancer and melanoma lesions, provide valuable prognostic information. Metastatic lesions of many carcinoma types, however, are often not easily accessible. We hypothesized that immune cells in peripheral blood may differ among individual patients with metastatic disease, which, in turn, may influence their response to immunotherapy. We thus analyzed immune cell subsets within peripheral blood mononuclear cells to determine if a "peripheral immunoscore" could have any prognostic significance for patients before receiving immunotherapy...
September 2, 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27471649/epigenetic-modification-augments-the-immunogenicity-of-human-leukocyte-antigen-g-serving-as-a-tumor-antigen-for-t-cell-based-immunotherapy
#15
Kei Ishibashi, Takumi Kumai, Takayuki Ohkuri, Akemi Kosaka, Toshihiro Nagato, Yui Hirata, Kenzo Ohara, Kensuke Oikawa, Naoko Aoki, Naoko Akiyama, Masatoshi Sado, Masahiro Kitada, Yasuaki Harabuchi, Esteban Celis, Hiroya Kobayashi
Tumor immune escape has been a major problem for developing effective immunotherapy. The human leukocyte antigen G (HLA-G) is a non-classical MHC class I molecule whose primary function is to protect the fetus from the mother's immune system. While HLA-G is hardly found in normal adult tissues, various tumor cells are known to express it, aiding their escape from the immune system. Thus, HLA-G is an attractive immunotherapy target. CD4(+) helper T lymphocytes (HTLs) play an important role in the immune reaction against tumors by assisting in the generation and persistence of CD8(+) cytotoxic T lymphocytes (CTLs) or by displaying direct antitumor effects...
June 2016: Oncoimmunology
https://www.readbyqxmd.com/read/27471624/similar-lymphocytic-infiltration-pattern-in-primary-breast-cancer-and-their-corresponding-distant-metastases
#16
Bettina Sobottka, Bernhard Pestalozzi, Daniel Fink, Holger Moch, Zsuzsanna Varga
Tumor infiltrating lymphocytes in primary breast cancer (TIL) are acknowledged measures of disease free survival (DFS) in adjuvant and neoadjuvant settings. Little is known about the biology of metastasis infiltrating lymphocytes (mTIL) although the local immunity of the metastatic site may critically influence the infiltrate composite. To address this question, we compared mTIL with their matched TIL in 87 breast cancer patients and their corresponding distant metastasis at four different anatomical locations...
June 2016: Oncoimmunology
https://www.readbyqxmd.com/read/27411667/avidity-characterization-of-genetically-engineered-t-cells-with-novel-and-established-approaches
#17
Victoria Hillerdal, Vanessa F Boura, Hanna Björkelund, Karl Andersson, Magnus Essand
BACKGROUND: Adoptive transfer of genetically engineered autologous T-cells is becoming a successful therapy for cancer. The avidity of the engineered T-cells is of crucial importance for therapy success. We have in the past cloned a T-cell receptor (TCR) that recognizes an HLA-A2 (MHC class I)-restricted peptide from the prostate and breast cancer- associated antigen TARP. Herein we perform a side-by-side comparison of the TARP-specific TCR (TARP-TCR) with a newly cloned TCR specific for an HLA-A2-restricted peptide from the cytomegalovirus (CMV) pp65 antigen...
2016: BMC Immunology
https://www.readbyqxmd.com/read/27341020/definitive-activation-of-endogenous-antitumor-immunity-by-repetitive-cycles-of-cyclophosphamide-with-interspersed-toll-like-receptor-agonists
#18
Soraya Zorro Manrique, Ana L Dominguez, Noweeda Mirza, Christopher D Spencer, Judy M Bradley, James H Finke, James J Lee, Larry R Pease, Sandra J Gendler, Peter A Cohen
Many cancers both evoke and subvert endogenous anti-tumor immunity. However, immunosuppression can be therapeutically reversed in subsets of cancer patients by treatments such as checkpoint inhibitors or Toll-like receptor agonists (TLRa). Moreover, chemotherapy can leukodeplete immunosuppressive host elements, including myeloid-derived suppressor cells (MDSCs) and regulatory T-cells (Tregs). We hypothesized that chemotherapy-induced leukodepletion could be immunopotentiated by co-administering TLRa to emulate a life-threatening infection...
July 12, 2016: Oncotarget
https://www.readbyqxmd.com/read/27329588/tumor-infiltrating-lymphocytes-in-breast-cancer-predict-the-response-to-chemotherapy-and-survival-outcome-a-meta-analysis
#19
Ke Wang, Jianjun Xu, Tao Zhang, Dan Xue
Tumor-infiltrating lymphocytes (TILs) influence tumor prognosis and the chemotherapeutic response. Here, we quantified the clinical relevance of TILs, including the effect of TILs on lymphocyte subpopulations and assessed their consistency in breast cancer. We searched published literature from January 2000 to January 2016. The main parameters analyzed were pathological complete response (pCR) and survival outcome following chemotherapy in patients with breast cancer. Pooled odds ratio (OR) or relative risk (RR) values with 95% confidence intervals (CIs) were computed using random and fixed-effects models...
June 13, 2016: Oncotarget
https://www.readbyqxmd.com/read/27326253/circulating-tumor-cells-ctc-are-associated-with-defects-in-adaptive-immunity-in-patients-with-inflammatory-breast-cancer
#20
M Mego, H Gao, E N Cohen, S Anfossi, A Giordano, T Sanda, T M Fouad, U De Giorgi, M Giuliano, W A Woodward, R H Alvarez, V Valero, N T Ueno, G N Hortobagyi, M Cristofanilli, J M Reuben
BACKGROUND: Circulating tumor cells (CTCs) play a crucial role in tumor dissemination and are prognostic in primary and metastatic breast cancer. Peripheral blood (PB) immune cells contribute to an unfavorable microenvironment for CTC survival. This study aimed to correlate CTCs with the PB T-cell immunophenotypes and functions of patients with inflammatory breast cancer (IBC). METHODS: This study included 65 IBC patients treated at the MD Anderson Cancer Center...
2016: Journal of Cancer
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