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https://www.readbyqxmd.com/read/29774312/breast-cancer-prevention-current-approaches-and-future-directions
#1
REVIEW
Edward R Sauter
The topic of breast cancer prevention is very broad. All aspects of the topic, therefore, cannot be adequately covered in a single review. The objective of this review is to discuss strategies in current use to prevent breast cancer, as well as potential approaches that could be used in the future. This review does not discuss early detection strategies for breast cancer, including breast cancer screening. The breast is the most common site among women worldwide of noncutaneous cancer. Many clinical and genetic factors have been found to increase a woman's risk of developing the disease...
April 2018: European Journal of Breast Health
https://www.readbyqxmd.com/read/29772686/inhibition-of-the-ccl5-ccr5-axis-against-the-progression-of-gastric-cancer
#2
REVIEW
Donatella Aldinucci, Naike Casagrande
Despite the progress made in molecular and clinical research, patients with advanced-stage gastric cancer (GC) have a bad prognosis and very low survival rates. Furthermore, it is challenging to find the complex molecular mechanisms that are involved in the development of GC, its progression, and its resistance to therapy. The interactions of chemokines, also known as chemotactic cytokines, with their receptors regulate immune and inflammatory responses. However, updated research demonstrates that cancer cells subvert the normal chemokine role, transforming them into fundamental constituents of the tumor microenvironment (TME) with tumor-promoting effects...
May 16, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29772358/tumor-to-lesion-metastasis-a-case-report-of-carcinoma-metastasis-to-multiple-sclerosis-lesion
#3
Jian-Qiang Lu, Suresh Menon, Crystal Fong, Boleslaw Lach, Christopher Power
BACKGROUND: The term of "tumor-to-lesion metastasis" is an extension of "tumor-to-tumor metastasis", which is a rare but well-documented phenomenon. Tumor metastasis to the meninges and/or central nervous system (CNS) is rare in patents with multiple sclerosis (MS), although MS lesions bear many similarities to the primary tumor microenvironment and the metastatic niche. We present the first case of malignant tumor metastasis to MS lesions with immunophenotyping of inflammatory cells in the metastatic foci...
May 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29771768/high-density-infiltration-of-v-domain-immunoglobulin-suppressor-of-t-cell-activation-up-regulated-immune-cells-in-human-pancreatic-cancer
#4
Jinʼe Liu, Xiaoxue Xie, Chunxiao Xuan, Tingting Li, Lanlan Wang, Lianghong Teng, Jun Liu
V-domain immunoglobulin suppressor of T-cell activation (VISTA) is constitutively expressed in hematopoietic lineage and is highly up-regulated in tumor infiltrated myeloid cells and regulatory T cells in animal models. However, its expression in human pancreatic tumor microenvironment remains unknown. In this research, we aimed at the expression of VISTA in human pancreatic cancer samples. METHODS: We performed immunohistochemistry to determine VISTA expression in human pancreatic cancer samples...
May 15, 2018: Pancreas
https://www.readbyqxmd.com/read/29771386/immunotherapy-in-cns-cancers-the-role-of-immune-cell-trafficking
#5
Nivedita M Ratnam, Mark R Gilbert, Amber J Giles
Glioblastoma (GBM) is a highly malignant CNS tumor with very poor survival despite intervention with conventional therapeutic strategies. Although the CNS is separated from the immune system by the blood-brain barrier (BBB) and the blood-cerebrospinal fluid barrier (BCSFB), emerging evidence of immune surveillance and the selective infiltration of GBMs by immune suppressive cells indicates that there is breakdown or compromise of these physical barriers. This in turn offers hope that immunotherapy can be applied to specifically target and reduce tumor burden...
May 15, 2018: Neuro-oncology
https://www.readbyqxmd.com/read/29771197/emerging-insights-into-wnt-%C3%AE-catenin-signaling-in-head-and-neck-cancer
#6
K A Alamoud, M A Kukuruzinska
Head and neck cancer presents primarily as head and neck squamous cell carcinoma (HNSCC), a debilitating malignancy fraught with high morbidity, poor survival rates, and limited treatment options. Mounting evidence indicates that the Wnt/β-catenin signaling pathway plays important roles in the pathobiology of HNSCC. Wnt/β-catenin signaling affects multiple cellular processes that endow cancer cells with the ability to maintain and expand immature stem-like phenotypes, proliferate, extend survival, and acquire aggressive characteristics by adopting mesenchymal traits...
June 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29770915/cytolytic-activity-score-to-assess-anticancer-immunity-in-colorectal-cancer
#7
Sumana Narayanan, Tsutomu Kawaguchi, Li Yan, Xuan Peng, Qianya Qi, Kazuaki Takabe
BACKGROUND: Elevated tumor-infiltrating lymphocytes (TILs) within the tumor microenvironment is a known positive prognostic factor in colorectal cancer (CRC). We hypothesized that since cytotoxic T cells release cytolytic proteins such as perforin (PRF1) and pro-apoptotic granzymes (GZMA) to attack cancer cells, a cytolytic activity score (CYT) would be a useful tool to assess anticancer immunity. METHODS: Genomic expression data were obtained from 456 patients from The Cancer Genome Atlas (TCGA)...
May 16, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29770141/unraveling-the-mechanisms-of-cutaneous-graft-versus-host-disease
#8
REVIEW
Pedro Santos E Sousa, Clare L Bennett, Ronjon Chakraverty
The skin is the most common target organ affected by graft-versus-host disease (GVHD), with severity and response to therapy representing important predictors of patient survival. Although many of the initiating events in GVHD pathogenesis have been defined, less is known about why treatment resistance occurs or why there is often a permanent failure to restore tissue homeostasis. Emerging data suggest that the unique immune microenvironment in the skin is responsible for defining location- and context-specific mechanisms of injury that are distinct from those involved in other target organs...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29770138/ny-eso-1-based-immunotherapy-of-cancer-current-perspectives
#9
REVIEW
Remy Thomas, Ghaneya Al-Khadairi, Jessica Roelands, Wouter Hendrickx, Said Dermime, Davide Bedognetti, Julie Decock
NY-ESO-1 or New York esophageal squamous cell carcinoma 1 is a well-known cancer-testis antigen (CTAs) with re-expression in numerous cancer types. Its ability to elicit spontaneous humoral and cellular immune responses, together with its restricted expression pattern, have rendered it a good candidate target for cancer immunotherapy. In this review, we provide background information on NY-ESO-1 expression and function in normal and cancerous tissues. Furthermore, NY-ESO-1-specific immune responses have been observed in various cancer types; however, their utility as biomarkers are not well determined...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29769249/spatial-distribution-and-function-of-t-follicular-regulatory-cells-in-human-lymph-nodes
#10
Ismail Sayin, Andrea J Radtke, Laura A Vella, Wenjie Jin, E John Wherry, Marcus Buggert, Michael R Betts, Ramin S Herati, Ronald N Germain, David H Canaday
T follicular regulatory (Tfr) cells are a population of CD4+ T cells that express regulatory T cell markers and have been shown to suppress humoral immunity. However, the precise mechanisms and location of Tfr-mediated suppression in the lymph node (LN) microenvironment are unknown. Using highly multiplexed quantitative imaging and functional assays, we examined the spatial distribution, suppressive function, and preferred interacting partners of Tfr cells in human mesenteric LNs. We find that the majority of Tfr cells express low levels of PD-1 and reside at the border between the T cell zone and B cell follicle, with very few found in the germinal centers (GCs)...
May 16, 2018: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29769207/mitigating-sox2-potentiated-immune-escape-of-head-and-neck-squamous-cell-carcinoma-with-a-sting-inducing-nanosatellite-vaccine
#11
Yee Sun Tan, Kanokwan Sansanaphongpricha, Yuying Xie, Christopher R Donnelly, Xiaobo Luo, Blake R Heath, Xinyi Zhao, Emily L Bellile, Hongxiang Hu, Hongwei Chen, Peter J Polverini, Qianming Chen, Simon Young, Thomas E Carey, Jacques E Nör, Robert L Ferris, Gregory Wolf, Duxin Sun, Yu L Lei
PURPOSE: The response rates of Head and Neck Squamous Cell Carcinoma (HNSCC) to checkpoint blockade are below 20%. We aim to develop a mechanism-based vaccine to prevent HNSCC immune escape. EXPERIMENTAL DESIGN: We performed RNA-Seq of sensitive and resistant HNSCC cells to discover central pathways promoting resistance to immune killing. Using biochemistry, animal models, HNSCC microarray and immune cell deconvolution, we assessed the role of SOX2 in inhibiting STING-type I interferon (IFN-I) signaling-mediated anti-tumor immunity...
May 16, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29768737/providence-of-cd25-kir-cd127-foxp3-cd8-t-cell-subset-determines-the-dynamics-of-tumor-immune-surveillance
#12
Sreeparna Chakraborty, Pushpak Bhattacharjee, Abir K Panda, Kirti Kajal, Sayantan Bose, Gaurisankar Sa
CD8+ T-regulatory cells are progressively emerging as crucial components of immune system. The previous report suggests the presence of FOXP3-positive CD8+ Treg cells, similar to CD4+ Tregs, in cancer patients which produce high levels of IL10 and TGFβ for its immunosuppressive activities. At an early stage of tumor development, we have identified a subset of FOXP3-negative CD8+ CD25+ KIR+ CD127- a Treg-like subset which is essentially IFNγ-positive. However, this early induced CD8+ CD25+ CD127- T cell subset certainly distinct from the IFNγ+ CD8+ T-effecter cells...
May 16, 2018: Immunology and Cell Biology
https://www.readbyqxmd.com/read/29768210/engineered-tumor-targeted-t-cells-mediate-enhanced-anti-tumor-efficacy-both-directly-and-through-activation-of-the-endogenous-immune-system
#13
Mauro P Avanzi, Oladapo Yeku, Xinghuo Li, Dinali P Wijewarnasuriya, Dayenne G van Leeuwen, Kenneth Cheung, Hyebin Park, Terence J Purdon, Anthony F Daniyan, Matthew H Spitzer, Renier J Brentjens
Chimeric antigen receptor (CAR) T cell therapy has proven clinically beneficial against B cell acute lymphoblastic leukemia and non-Hodgkin's lymphoma. However, suboptimal clinical outcomes have been associated with decreased expansion and persistence of adoptively transferred CAR T cells, antigen-negative relapses, and impairment by an immunosuppressive tumor microenvironment. Improvements in CAR T cell design are required to enhance clinical efficacy, as well as broaden the applicability of this technology...
May 15, 2018: Cell Reports
https://www.readbyqxmd.com/read/29765907/attenuated-bacteria-as-immunotherapeutic-tools-for-cancer-treatment
#14
Suneesh Kaimala, Ashraf Al-Sbiei, Otavio Cabral-Marques, Maria J Fernandez-Cabezudo, Basel K Al-Ramadi
The use of attenuated bacteria as cancer therapeutic tools has garnered increasing scientific interest over the past 10 years. This is largely due to the development of bacterial strains that maintain good anti-tumor efficacy, but with reduced potential to cause toxicities to the host. Because of its ability to replicate in viable as well as necrotic tissue, cancer therapy using attenuated strains of facultative anaerobic bacteria, such as Salmonella , has several advantages over standard treatment modalities, including chemotherapy and radiotherapy...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29765774/how-shall-we-treat-early-triple-negative-breast-cancer-tnbc-from-the-current-standard-to-upcoming-immuno-molecular-strategies
#15
REVIEW
Ji Hyun Park, Jin-Hee Ahn, Sung-Bae Kim
Triple-negative breast cancer (TNBC) is a long-lasting orphan disease in terms of little therapeutic progress during the past several decades and still the standard of care remains chemotherapy. Experimental discovery of molecular signatures including the 'BRCAness' highlighted the innate heterogeneity of TNBC, generating the diversity of TNBC phenotypes. As it contributes to enhancing genomic instability, it has widened the therapeutic spectrum of TNBC. In particular, unusual sensitivity to DNA damaging agents was denoted in patients with BRCA deficiency, suggesting therapeutic benefit from platinum and poly(ADP-ribose) polymerase inhibitors...
2018: ESMO Open
https://www.readbyqxmd.com/read/29765561/a-pilot-study-of-peptide-vaccines-for-vegf-receptor-1-and-2-in-patients-with-recurrent-progressive-high-grade-glioma
#16
Shunsuke Shibao, Ryo Ueda, Katsuya Saito, Ryogo Kikuchi, Hideaki Nagashima, Atsuhiro Kojima, Hiroshi Kagami, Eriel Sandika Pareira, Hikaru Sasaki, Shinobu Noji, Yutaka Kawakami, Kazunari Yoshida, Masahiro Toda
Object: Early-phase clinical studies of glioma vaccines have shown feasibility and encouraging preliminary clinical activity. A vaccine that targets tumor angiogenesis factors in glioma microenvironment has not been reported. Therefore, we performed a pilot study to evaluate the safety and immunogenicity of a novel vaccination targeting tumor angiogenesis with synthetic peptides for vascular endothelial growth factor (VEGF) receptor epitopes in patients with recurrent/progressive high grade gliomas...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29765355/tuberculosis-the-disrupted-immune-endocrine-response-and-the-potential-thymic-repercussion-as-a-contributing-factor-to-disease-physiopathology
#17
REVIEW
Luciano D'Attilio, Natalia Santucci, Bettina Bongiovanni, María L Bay, Oscar Bottasso
Upon the pathogen encounter, the host seeks to ensure an adequate inflammatory reaction to combat infection but at the same time tries to prevent collateral damage, through several regulatory mechanisms, like an endocrine response involving the production of adrenal steroid hormones. Our studies show that active tuberculosis (TB) patients present an immune-endocrine imbalance characterized by an impaired cellular immunity together with increased plasma levels of cortisol, pro-inflammatory cytokines, and decreased amounts of dehydroepiandrosterone...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29765068/linking-cervicovaginal-immune-signatures-hpv-and-microbiota-composition-in-cervical-carcinogenesis-in-non-hispanic-and-hispanic-women
#18
Paweł Łaniewski, Dominique Barnes, Alison Goulder, Haiyan Cui, Denise J Roe, Dana M Chase, Melissa M Herbst-Kralovetz
While high-risk human papillomavirus (HPV) infection is a well-established risk factor for cervical cancer, there are likely other factors within the local microenvironment that contribute to cervical carcinogenesis. Here we investigated relationships between HPV, vaginal pH, vaginal microbiota (VMB) composition, level of genital immune mediators and severity of cervical neoplasm. We enrolled women with low- and high-grade cervical dysplasia (LGD, HGD), invasive cervical carcinoma (ICC), and healthy controls...
May 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29764923/extracellular-vesicles-lipids-as-key-components-of-their-biogenesis-and-functions
#19
Michel Record, Sandrine Silvente-Poirot, Marc Poirot, Michael J O Wakelam
Intercellular communication has been known for decades to involve either direct contact between cells or to operate by spreading molecules such as cytokines, growth factors, or lipid mediators. Through the last decade we have begun to appreciate the increasing importance of intercellular communication mediated by extracellular vesicles released by viable cells either from plasma membrane shedding microvesicles, also named microparticles), or from an intracellular compartment (exosomes). Exosomes and microvesicles circulate in all biological fluids and can trigger biological responses at distance...
May 15, 2018: Journal of Lipid Research
https://www.readbyqxmd.com/read/29764866/lrrc15-is-a-novel-mesenchymal-protein-and-stromal-target-for-antibody-drug-conjugates
#20
James W Purcell, Sonia G Tanlimco, Jonathan A Hickson, Melvin Fox, Mien Sho, Lisa Durkin, Tamar Uziel, Rick Powers, Kelly D Foster-Duke, Thomas McGonigal, Subashri Kumar, Josue Samayoa, Dong Zhang, Joann P Palma, Sasmita Mishra, Diane Hollenbaugh, Kurt Gish, Susan E Morgan-Lappe, Eric D Hsi, Debra T Chao
Progress in understanding tumor stromal biology has been constrained in part because cancer-associated fibroblasts (CAF) are a heterogeneous population with limited cell type-specific protein markers. Using RNA expression profiling, we identified the membrane protein leucine rich repeat containing 15 (LRRC15) as highly expressed in multiple solid tumor indications with limited normal tissue expression. LRRC15 was expressed on stromal fibroblasts in many solid tumors (e.g., breast, head and neck, lung, pancreatic) as well as directly on a subset of cancer cells of mesenchymal origin (e...
May 15, 2018: Cancer Research
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