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https://www.readbyqxmd.com/read/28344873/a-specific-immune-and-lymphatic-profile-characterizes-the-pre-metastatic-state-of-the-sentinel-lymph-node-in-patients-with-early-cervical-cancer
#1
Cédric Balsat, Silvia Blacher, Michael Herfs, Maureen Van de Velde, Nicolas Signolle, Philippe Sauthier, Charles Pottier, Stéphanie Gofflot, Marjolein De Cuypere, Philippe Delvenne, Frédéric Goffin, Agnès Noel, Frédéric Kridelka
The lymph node (LN) pre-metastatic niche is faintly characterized in lymphophilic human neoplasia, although LN metastasis is considered as the strongest prognostic marker of patient survival. Due to its specific dissemination through a complex bilateral pelvic lymphatic system, early cervical cancer is a relevant candidate for investigating the early nodal metastatic process. In the present study, we analyzed in-depth both the lymphatic vasculature and the immune climate of pre-metastatic sentinel LN (SLN), in 48 cases of FIGO stage IB1 cervical neoplasms...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28337438/mage-a-antigens-and-cancer-immunotherapy
#2
Paul Zajac, Elke Schultz-Thater, Luigi Tornillo, Charlotte Sadowski, Emanuele Trella, Chantal Mengus, Giandomenica Iezzi, Giulio C Spagnoli
MAGE-A antigens are expressed in a variety of cancers of diverse histological origin and germinal cells. Due to their relatively high tumor specificity, they represent attractive targets for active specific and adoptive cancer immunotherapies. Here, we (i) review past and ongoing clinical studies targeting these antigens, (ii) analyze advantages and disadvantages of different therapeutic approaches, and (iii) discuss possible improvements in MAGE-A-specific immunotherapies.
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28244453/epidermal-growth-factor-receptor-expression-in-gastric-tumors-and-its-relationship-with-the-germline-polymorphisms-216-g-t-191-c-a-ca-n-ivs1-and-r521k
#3
J H Torres-Jasso, A R Bustos-Carpinteyro, J R Garcia-Gonzalez, J Peregrina-Sandoval, J A Cruz-Ramos, E Santiago-Luna, J Y Sanchez-Lopez
BACKGROUND: Gastric cancer (GC) is the third worldwide leading cause of cancer-related death affecting both sexes. The aberrant expression of epidermal growth factor receptor (EGFR) gene has been detected in many human epithelial malignancies and linked to advanced disease, more aggressive phenotype, and poor prognosis. AIMS: To analyze the relation that the expression of EGFR in gastric tumors holds with pathological characteristics and with the germline polymorphisms -216 G>T, -191 C>A, (CA) n IVS1, and R521K...
July 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28167662/impaired-ire1-expression-and-xbp1-activation-is-a-hallmark-of-gcb-dlbcl-and-contributes-to-tumor-growth
#4
Bojan Bujisic, Aude De Gassart, Rémy Tallant, Olivier Demaria, Léa Zaffalon, Sonia Chelbi, Michel Gilliet, Francesco Bertoni, Fabio Martinon
The endoplasmic reticulum kinase IRE1 and its downstream target XBP1 drive B cell differentiation towards plasma cells and have been shown to contribute to multiple myeloma development; yet little is known on the role of this pathway in Diffuse Large B cell Lymphoma (DLBCL). Here we show that in Germinal Center B cell-like (GCB) DLBCL subtype, IRE1 expression is reduced to a level that prevents XBP1 activation. Gene expression profiles indicated that, in GCB DLBCL cancer samples, expression of IRE1 mRNA was inversely correlated with the levels and activity of the epigenetic repressor, histone methyltransferase EZH2...
February 6, 2017: Blood
https://www.readbyqxmd.com/read/28122896/prognostic-significance-of-venous-thromboembolic-events-in-disseminated-germ-cell-cancer-patients
#5
Enrique Gonzalez-Billalabeitia, Daniel Castellano, Nora Sobrevilla, Josep Guma, David Hervas, Maria I Luengo, Jorge Aparicio, Alfonso Sanchez-Muñoz, Begoña Mellado, Alberto Saenz, Claudia Valverde, Antonio Fernandez, Mireia Margeli, Ignacio Duran, Sara Fernandez, Javier Sastre, Silverio Ros, Pablo Maroto, Ray Manneh, Pablo Cerezuela, Alberto Carmona-Bayonas
BACKGROUND: Disseminated germ cell cancers are at high risk of developing thromboembolic complications. We evaluated the prognostic value of venous thromboembolic events (VTE) in disseminated germ cell cancer.  METHODS: Patients with germ cell cancer receiving upfront platinum-containing chemotherapy between 2004 and 2014 were pooled from the Spanish Germ Cell Cancer Group (SGCCG) registry and reviewed for the presence of VTE. Results were validated in an independent international group of patients...
January 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28116312/chemopreventive-effects-of-germinated-rough-rice-crude-extract-in-inhibiting-azoxymethane-induced-aberrant-crypt-foci-formation-in-sprague-dawley-rats
#6
Elnaz Saki, Latifah Saiful Yazan, Razana Mohd Ali, Zalinah Ahmad
Chemoprevention has become an important area in cancer research due to low success rate of current therapeutic modalities. Diet plays a vital role in the etiology of cancer. This research was carried out to study the chemopreventive properties of germinated rough rice (GRR) crude extract in Sprague-Dawley rats induced with azoxymethane. Germination of rough rice causes significant changes in several chemical compositions of presently bioactive compounds. These compounds may prevent or postpone the inception of cancer...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28069569/the-crebbp-acetyltransferase-is-a-haploinsufficient-tumor-suppressor-in-b-cell-lymphoma
#7
Jiyuan Zhang, Sofija Vlasevska, Victoria A Wells, Sarah Nataraj, Antony B Holmes, Romain Duval, Stefanie N Meyer, Tongwei Mo, Katia Basso, Paul K Brindle, Shafinaz Hussein, Riccardo Dalla-Favera, Laura Pasqualucci
Inactivating mutations of the CREBBP acetyltransferase are highly frequent in diffuse large B-cell lymphoma (DLBCL) and follicular lymphoma (FL), the two most common germinal center (GC)-derived cancers. However, the role of CREBBP inactivation in lymphomagenesis remains unclear. Here, we show that CREBBP regulates enhancer/super-enhancer networks with central roles in GC/post-GC cell fate decisions, including genes involved in signal transduction by the B-cell receptor and CD40 receptor, transcriptional control of GC and plasma cell development, and antigen presentation...
January 9, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28062671/targeting-hdac3-in-crebbp-mutant-lymphomas-counterstrikes-unopposed-enhancer-deacetylation-of-b-cell-signaling-and-immune-response-genes
#8
Uta E Höpken
The cellular phenotype of B-cell lymphomas arising from B cells undergoing germinal center reactions, such as follicular lymphoma and diffuse large B-cell lymphoma, is strongly shaped by mutations in chromatin-modifying genes. The work presented by Jiang and colleagues addresses how somatic mutations in CREBBP disable acetylation and cause unopposed deacetylation by BCL6/SMRT/HDAC3 complexes on enhancers of B-cell signaling and immune response genes. This opens a therapeutic avenue toward targeted inhibition of CREBBP-mutant lymphomas by HDAC inhibitors...
January 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28052023/spermatogonial-stem-cells-and-progenitors-are-refractory-to-reprogramming-to-pluripotency-by-the-transcription-factors-oct3-4-c-myc-sox2-and-klf4
#9
Sébastien Corbineau, Bruno Lassalle, Maelle Givelet, Inès Souissi-Sarahoui, Virginie Firlej, Paul Henri Romeo, Isabelle Allemand, Lydia Riou, Pierre Fouchet
The male germinal lineage, which is defined as unipotent, produces sperm through spermatogenesis. However, embryonic primordial germ cells and postnatal spermatogonial stem cells (SSCs) can change their fate and convert to pluripotency in culture when they are not controlled by the testicular microenvironment. The mechanisms underlying these reprogramming processes are poorly understood. Testicular germ cell tumors, including teratoma, share some molecular characteristics with pluripotent cells, suggesting that cancer could result from an abnormal differentiation of primordial germ cells or from an abnormal conversion of SCCs to pluripotency in the testis...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28040262/environmental-impact-of-estrogens-on-human-animal-and-plant-life-a-critical-review
#10
REVIEW
Muhammad Adeel, Xiaoming Song, Yuanyuan Wang, Dennis Francis, Yuesuo Yang
BACKGROUND: Since the inception of global industrialization, steroidal estrogens have become an emerging and serious concern. Worldwide, steroid estrogens including estrone, estradiol and estriol, pose serious threats to soil, plants, water resources and humans. Indeed, estrogens have gained notable attention in recent years, due to their rapidly increasing concentrations in soil and water all over the world. Concern has been expressed regarding the entry of estrogens into the human food chain which in turn relates to how plants take up and metabolism estrogens...
December 28, 2016: Environment International
https://www.readbyqxmd.com/read/28008151/tonsillar-cd56brightnkg2a-nk-cells-restrict-primary-epstein-barr-virus-infection-in-b-cells-via-ifn-%C3%AE
#11
Aurelia Jud, Monika Kotur, Christoph Berger, Claudine Gysin, David Nadal, Anna Lünemann
Natural killer (NK) cells constitute the first line of defense against viruses and cancers cells. Epstein-Barr virus (EBV) was the first human virus to be directly implicated in carcinogenesis, and EBV infection is associated with a broad spectrum of B cell lymphomas. How NK cells restrict EBV-associated oncogenesis is not understood. Here, we investigated the efficacies and mechanisms of distinct NK cell subsets from tonsils, the portal of entry of EBV, in limiting EBV infection in naïve, germinal center-associated and memory B cells...
January 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28003273/ebi2-overexpression-in-mice-leads-to-b1-b-cell-expansion-and-chronic-lymphocytic-leukemia-like-b-cell-malignancies
#12
Kristine Niss Arfelt, Line Barington, Tau Benned-Jensen, Valentina Kubale, Alexander L Kovalchuk, Viktorija Daugvilaite, Jan Pravsgaard Christensen, Allan Randrup Thomsen, Kristoffer L Egerod, Maria R Bassi, Katja Spiess, Thue W Schwartz, Hongsheng Wang, Herbert C Morse, Peter J Holst, Mette M Rosenkilde
Human and mouse chronic lymphocytic leukemia (CLL) develops from CD5(+) B cells that in mice and macaques are known to define the distinct B1a B-cell lineage. B1a cells are characterized by lack of germinal center (GC) development, and the B1a cell population is increased in mice with reduced GC formation. As a major mediator of follicular B-cell migration, the G protein-coupled receptor Epstein-Barr virus-induced gene 2 (EBI2 or GPR183) directs B-cell migration in the lymphoid follicles in response to its endogenous ligands, oxysterols...
February 16, 2017: Blood
https://www.readbyqxmd.com/read/27992986/-effect-of-genetics-epigenetics-and-variations-in-the-transcriptional-expression-of-cadherin-e-in-breast-cancer-susceptibility
#13
Andrés Felipe Aristizábal-Pachón, Catarina Satie Takahashi
INTRODUCTION: Cadherin-E (CDH1) is an important regulator of epithelial-mesenchymal transition, invasion and metastasis in many carcinomas. However, germinal epimutations and mutations effect in breast cancer susceptibility is not clear. OBJECTIVE: To evaluate rs334558 polymorphism, promoter methylation status and CDH1 expression profile in breast cancer patients. MATERIALS AND METHODS: We collected peripheral blood samples from 102 breast cancer patients and 102 healthy subjects...
December 1, 2016: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/27902597/whole-exome-sequencing-of-independent-lung-adenocarcinoma-lung-squamous-cell-carcinoma-and-malignant-peritoneal-mesothelioma-a-case-report
#14
Irene Vanni, Simona Coco, Silvia Bonfiglio, Davide Cittaro, Carlo Genova, Federica Biello, Marco Mora, Valeria Rossella, Maria Giovanna Dal Bello, Anna Truini, Barbara Banelli, Dejan Lazarevic, Angela Alama, Erika Rijavec, Giulia Barletta, Francesco Grossi
The presence of multiple primary tumors (MPT) in a single patient has been identified with an increasing frequency. A critical issue is to establish if the second tumor represents an independent primary cancer or a metastasis. Therefore, the assessment of MPT clonal origin might help understand the disease behavior and improve the management/prognosis of the patient.Herein, we report a 73-year-old male smoker who developed 2 primary lung cancers (adenocarcinoma and squamous cell carcinoma) and a malignant peritoneal mesothelioma (PM)...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27869446/-oncopathological-aspects-of-brca1-and-brca2-genes-inactivation-in-tumors-of-ovary-fallopian-tube-and-pelvic-peritoneum
#15
Petr Škapa, Pavel Dundr
Ovarian carcinoma represents a heterogeneous group of malignant epithelial tumors which could be divided into two fundamental groups: Type I (endometrioid carcinoma, clear cell carcinoma, low grade serous carcinoma, mucinous carcinoma and more rare seromucinous carcinoma and malignant Brenner tumor) and type II (high grade serous carcinoma - HGSC). HGSC is the most frequent ovarian carcinoma which may be etiologically linked to inactivation of tumor suppressor genes BRCA1/2 and TP53 and differs from type I carcinomas by higher aggressiveness, tendency to peritoneal spread and worse prognosis...
2016: Ceskoslovenská Patologie
https://www.readbyqxmd.com/read/27866339/recurrent-tp53-missense-mutation-in-cancer-patients-of-arab-descent
#16
Aviad Zick, Luna Kadouri, Sherri Cohen, Michael Frohlinger, Tamar Hamburger, Naama Zvi, Morasha Plaser, Eilat Avital, Shani Breuier, Firase Elian, Azzam Salah, Yael Goldberg, Tamar Peretz
Hereditary cancer comprises more than 10% of all breast cancer cases. Identification of germinal mutations enables the initiation of a preventive program that can include early detection or preventive treatment and may also have a major impact on cancer therapy. Several recurrent mutations were identified in the BRCA1/2 genes in Jewish populations however, in other ethnic groups in Israel, no recurrent mutations were identified to date. Our group established panel sequencing in cancer patients to identify recurrent, founder, and new mutations in the heterogeneous and diverse populations in Israel, We evaluated five breast cancer patients of Arab descent diagnosed with cancer before the age of 50 years and identified the previously described TP53 mutation, c...
April 2017: Familial Cancer
https://www.readbyqxmd.com/read/27863842/development-of-t-follicular-helper-cells-and-their-role-in-disease-and-immune-system
#17
REVIEW
Sadegh Eivazi, Salman Bagheri, Mohammad Sadegh Hashemzadeh, Majdedin Ghalavand, Elmira Safaie Qamsari, Ruhollah Dorostkar, Maryam Yasemi
The T follicular helper cells (TFH) are a subset of CD4+ T cells specialized to regulate antibody responses. The production of these cells is associated with the dendritic cells (DCs) and B cells. TFH cells help B cells form germinal centers (GC) differentiate into memory and plasma cells (antibody-secreting cells) as humoral responses. In addition, there is strong evidence that TFH cells play a pivotal role in the development of long-lived humoral immunity. Molecular factors such as transcription factors, surface receptors, cytokine and micro RNAs are involved in the formation of TFH cells...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27803184/a-class-1-histone-deacetylase-with-potential-as-an-antifungal-target
#18
Ingo Bauer, Divyavaradhi Varadarajan, Angelo Pidroni, Silke Gross, Stefan Vergeiner, Birgit Faber, Martin Hermann, Martin Tribus, Gerald Brosch, Stefan Graessle
Histone deacetylases (HDACs) remove acetyl moieties from lysine residues at histone tails and nuclear regulatory proteins and thus significantly impact chromatin remodeling and transcriptional regulation in eukaryotes. In recent years, HDACs of filamentous fungi were found to be decisive regulators of genes involved in pathogenicity and the production of important fungal metabolites such as antibiotics and toxins. Here we present proof that one of these enzymes, the class 1 type HDAC RpdA, is of vital importance for the opportunistic human pathogen Aspergillus fumigatus Recombinant expression of inactivated RpdA shows that loss of catalytic activity is responsible for the lethal phenotype of Aspergillus RpdA null mutants...
November 1, 2016: MBio
https://www.readbyqxmd.com/read/27799872/potential-of-cells-and-cytokines-chemokines-to-regulate-tertiary-lymphoid-structures-in-human-diseases
#19
REVIEW
Feifeng Jing, Eun Young Choi
Tertiary lymphoid structures (TLS) are ectopic lymphoid tissues involved in chronic inflammation, autoimmune diseases, transplant rejection and cancer. They exhibit almost all the characteristics of secondary lymphoid organs (SLO), which are associated with adaptive immune responses; as such, they contain organized B-cell follicles with germinal centers, distinct areas containing T cells and dendritic cells, high endothelial venules, and lymphatics. In this review, we briefly describe the formation of SLO, and describe the cellular subsets and molecular cues involved in the formation and maintenance of TLS...
October 2016: Immune Network
https://www.readbyqxmd.com/read/27781290/low-dose-radiotherapy-in-diffuse-large-b-cell-lymphoma
#20
Carlo Furlan, Vincenzo Canzonieri, Michele Spina, Mariagrazia Michieli, Anna Ermacora, Roberta Maestro, Sara Piccinin, Riccardo Bomben, Michele Dal Bo, Marco Trovo, Valter Gattei, Umberto Tirelli, Giovanni Franchin, Pietro Bulian
Low-dose radiotherapy (LDRT) given in 2 × 2 Gy is a highly effective and safe treatment for palliation of indolent lymphomas. Otherwise, very little regarding the use of LDRT for diffuse large B-cell lymphoma (DLBCL) has been investigated. We designed a phase 2 trial of LDRT in patients with DLBCL with indication for palliative radiation. Low-dose radiotherapy was administered on symptomatic areas only. Clinical response was assessed 21 days after LDRT and defined as reduction >50% of maximum diameter of the radiated lesions...
October 25, 2016: Hematological Oncology
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