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https://www.readbyqxmd.com/read/29780114/successful-treatment-of-hemophagocytic-lymphohistiocytosis-associated-with-low-risk-myelodysplastic-syndrome-by-azacitidine
#1
Shinya Daitoku, Tomomi Aoyagi, Shinichiro Takao, Seiya Tada, Mika Kuroiwa
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening syndrome that occurs as a complication in many clinical settings. Malignancy-associated HLH develops in patients with hematopoietic neoplasms, particularly in those with lymphoma, and its development in those with myelodysplastic syndrome (MDS) is uncommon. We herein report a case of HLH in a patient with low-risk MDS that was successfully treated with azacitidine. The prevalence of immune abnormalities among MDS patients and the immune effects of azacitidine have recently been elucidated, suggesting that MDS-associated HLH occurs as a result of immune impairment, and azacitidine improves this condition by restoring the immune system...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29775689/biomarkers-for-checkpoint-inhibition-in-hematologic-malignancies
#2
REVIEW
Djordje Atanackovic, Tim Luetkens
In the past few years we have seen remarkable paradigm shifts in the treatment of many solid tumors due to the introduction of inhibitors targeting immune checkpoints such as PD-1/PD-L1 and CTLA-4. Recent results indicate that checkpoint inhibition also represents a very promising approach for certain types of hematologic malignancies. Unfortunately, treatment with checkpoint inhibitors is also associated with substantial toxicities and high costs and only a subset of patients appears to derive clinical benefit from these treatments...
May 15, 2018: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29774061/immunotherapy-in-non-metastatic-non-small-cell-lung-cancer-can-the-benefits-of-stage-iv-therapy-be-translated-into-earlier-stages
#3
REVIEW
Griet Deslypere, Dorothée Gullentops, Els Wauters, Johan Vansteenkiste
Over the last decade, several steps forward in the treatment of patients with stage IV non-small cell lung cancer (NCSLC) were made. Examples are the use of pemetrexed, pemetrexed maintenance therapy, or bevacizumab for patients with nonsquamous NSCLC. A big leap forward was the use of tyrosine kinase inhibitors in patients selected on the basis of an activating oncogene, such as epidermal growth factor receptor ( EGFR ) activating mutations or anaplastic lymphoma kinase ( ALK ) translocations. However, all of these achievements could not be translated into survival benefits when studied in randomized controlled trials in patients with nonmetastatic NSCLC...
2018: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/29773281/-cutaneous-and-systemic-t-cell-lymphoma-treated-with-haploidentical-bone-marrow-transplantation
#4
M Méchineaud, M Mercier, Y Le Corre, A Croué, N Ifrah, L Martin
BACKGROUND: Herein, we report a case of systemic cutaneous T-cell lymphoma refractory to standard therapy, the course of which resulted in haplo-identical bone marrow grafting. PATIENTS AND METHODS: A 53-year-old woman consulted for facial erythema with infiltration, keratotic lesions on the trunk, and adenopathies measuring around 1cm on the axilla and inguinal folds. A diagnosis was made of Sézary syndrome (SS), a leukaemic form of epidermotropic cutaneous T-cell lymphoma...
May 14, 2018: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29769264/rhoa-g17v-is-sufficient-to-induce-autoimmunity-and-promotes-t-cell-lymphomagenesis-in-mice
#5
Samuel Y Ng, Leon Brown, Kristen Stevenson, Tiffany deSouza, Jon C Aster, Abner Louissaint, David M Weinstock
Patients with angioimmunoblastic T-cell lymphoma (AITL) and other peripheral T-cell lymphomas (PTCL) that harbor features of follicular helper T (TFH) cells have a very poor prognosis. These lymphomas commonly present with paraneoplastic autoimmunity and lymphopenia. RhoA G17V mutation is present in 60% of TFH-like lymphomas but its role in tumorigenesis is poorly understood. We generated transgenic mice that express RhoA G17V under the control of murine CD4 regulatory elements at levels comparable to a heterozygous mutation (tgRhoA mice)...
May 16, 2018: Blood
https://www.readbyqxmd.com/read/29769011/evolving-strategies-for-the-treatment-of-t-cell-lymphoma-a-systematic-review-and-recent-patents
#6
Kamel Laribi, Mustapha Alani, Catherine Truong, Alix Baugier de Materre
OBJECTIVE: Mature T-cell lymphomas are a heterogeneous group of T-cell malignancies with a poor outcome. The discovery of new molecular biomarkers has led to the emergence of new drugs in recent years that target various signaling pathways. METHOD: We examined all pertinent published patents through 2015 that analyzed novel methods for the diagnosis and treatment of T cell lymphoma, as well as related published and unpublished studies. Selection criteria were established before data collection...
May 16, 2018: Recent Patents on Anti-cancer Drug Discovery
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
#7
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/29767614/differential-attenuation-of-marek-s-disease-virus-induced-tumours-and-late-marek-s-disease-virus-induced-immunosuppression
#8
Nik M Faiz, Aneg L Cortes, James S Guy, Sanjay M Reddy, Isabel M Gimeno
Marek's disease virus (MDV) is a herpesvirus that induces lymphoma and a variety of non-neoplastic syndromes in chickens. Furthermore, very virulent plus (vv+) MDVs induce a form of immunosuppression (late-MDV-IS) that might involve both neoplastic and non-neoplastic mechanisms. The objective of this study was to evaluate whether the attenuation of MDV-induced tumours and late-MDV-IS occurs simultaneously or can be dissociated. The immunosuppressive ability of three viruses derived from vv+ MDV strain 686 (wild-type 686, the somewhat attenuated molecular clone 686-BAC, and the nononcogenic molecular clone lacking the two copies of the oncogene meq 686-BACΔMEQ) was evaluated...
May 16, 2018: Journal of General Virology
https://www.readbyqxmd.com/read/29765376/immunization-with-fc-based-recombinant-epstein-barr-virus-gp350-elicits-potent-neutralizing-humoral-immune-response-in-a-balb-c-mice-model
#9
Bingchun Zhao, Xiao Zhang, Claude Krummenacher, Shuo Song, Ling Gao, Haojiong Zhang, Miao Xu, Lin Feng, Qisheng Feng, Musheng Zeng, Yuting Xu, Yixin Zeng
Epstein-Barr virus (EBV) was the first human virus proved to be closely associated with tumor development, such as lymphoma, nasopharyngeal carcinoma, and EBV-associated gastric carcinoma. Despite many efforts to develop prophylactic vaccines against EBV infection and diseases, no candidates have succeeded in effectively blocking EBV infection in clinical trials. Previous investigations showed that EBV gp350 plays a pivotal role in the infection of B-lymphocytes. Nevertheless, using monomeric gp350 proteins as antigens has not been effective in preventing infection...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29764863/extracorporeal-photochemotherapy-drives-monocyte-to-dendritic-cell-maturation-to-induce-anti-cancer-immunity
#10
Alessandra Ventura, Aaron Vassall, Eve Robinson, Renata Filler, Douglas Hanlon, Katrina Meeth, Harib Ezaldein, Michael Girardi, Olga Sobolev, Marcus W Bosenberg, Richard L Edelson
Extracorporeal photochemotherapy (ECP) is a cancer immunotherapy for cutaneous T cell lymphoma (CTCL) operative in more than 350 centers worldwide. While its efficacy and favorable safety profile have driven its widespread use, elucidation of its underlying mechanism has been difficult. In this study, we identify the principal contributors to the anti-cancer immunotherapeutic effects of ECP, with the goal of enhancing potency and broadening applicability to additional malignancies. First, we scaled down the clinical ECP leukocyte-processing device to mouse size...
May 15, 2018: Cancer Research
https://www.readbyqxmd.com/read/29764855/magnetic-resonance-imaging-of-tumor-associated-macrophages-clinical-translation
#11
Maryam Aghighi, Ashok Joseph Theruvath, Anuj Pareek, Laura Pisani, Raphael Alford, Anne Monika Muehe, Tarsheen K Sethi, Samantha J Holdsworth, Florette K Hazard, Dita Gratzinger, Sandra Luna-Fineman, Ranjana H Advani, Sheri L Spunt, Heike E Daldrup-Link
PURPOSE: Tumor associated macrophages (TAM) in malignant tumors have been linked to tumor aggressiveness and represent a new target for cancer immunotherapy. As new TAM-targeted immunotherapies are entering clinical trials, it is important to detect and quantify TAM with non-invasive imaging techniques. The purpose of this study was to determine if ferumoxytol-enhanced MRI can detect TAM in lymphomas and bone sarcomas of pediatric patients and young adults. EXPERIMENTAL DESIGN: In a first-in-patient , IRB-approved prospective clinical trial, 25 pediatric and young adult patients with lymphoma or bone sarcoma underwent ferumoxytol-enhanced MRI...
May 15, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29764245/pembrolizumab-versus-the-standard-of-care-for-relapsed-and-refractory-classical-hodgkin-s-lymphoma-progressing-after-brentuximab-vedotin-an-indirect-treatment-comparison
#12
Sam Keeping, Elise Wu, Keith Chan, Ali Mojebi, Shannon Allen Ferrante, Arun Balakumaran
BACKGROUND: There is significant unmet need among patients with relapsed and refractory classical Hodgkin's lymphoma (RRcHL) who have failed multiple lines of therapy, including brentuximab vedotin (BV). Pembrolizumab, an immune checkpoint inhibitor, is one possible treatment solution for this population. RESEARCH METHODS: The objective of this study was to compare progression-free survival (PFS) with standard of care (SOC) versus pembrolizumab in previously BV treated RRcHL patients...
May 15, 2018: Expert Review of Hematology
https://www.readbyqxmd.com/read/29762141/pd-1-expression-in-chronic-lymphocytic-leukemia-small-lymphocytic-lymphoma-cll-sll-and-large-b-cell-richter-transformation-dlbcl-rt-a-characteristic-feature-of-dlbcl-rt-and-potential-surrogate-marker-for-clonal-relatedness
#13
Rong He, Wei Ding, David S Viswanatha, Dong Chen, Min Shi, Daniel Van Dyke, Shulan Tian, Linda N Dao, Sameer A Parikh, Tait D Shanafelt, Timothy G Call, Stephen M Ansell, Jose F Leis, Ming Mai, Curtis A Hanson, Karen L Rech
Chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) is a low-grade B-cell neoplasm and ∼2% to 9% patients develop an aggressive lymphoma, most commonly diffuse large B-cell lymphoma (Richter transformation, DLBCL-RT). Programmed death-1 (PD-1) pathway plays a crucial role in tumor host immunity evasion and its blockade has emerged as an effective anti-cancer immunotherapy. PD-L1 and PD-1 expression has shown predictive value in anti-PD cancer immunotherapy; however, it has not been well documented in CLL/SLL and DLBCL-RT...
May 14, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29760795/capable-infection-of-hepatitis-b-virus-in-diffuse-large-b-cell-lymphoma
#14
Yanchun Wang, Huijie Wang, Shaokun Pan, Tao Hu, Jiabin Shen, Hui Zheng, Suhong Xie, Youhua Xie, Renquan Lu, Lin Guo
Background: Diffuse large B-cell lymphoma (DLBCL) is the most common pathological type of non-Hodgkin lymphoma (NHL). It is strongly correlated to the host immunity and infection status. Aim: This study tested the hypothesis that hepatitis B virus (HBV) infection is also associated with DLBCL. Methods: Clinical analysis of the correlation between DLBCL and HBV infection, detection of HBV in situ of DLBCL tissue, and biological experiments that determined whether HBV infects B lymphocytes were conducted. Results: Our long-term clinical data showed that the positive rate of serum HBV was significantly increased in DLBCL patients (23...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29755712/lymphoproliferative-syndromes-associated-with-human-herpesvirus-6a-and-human-herpesvirus-6b
#15
REVIEW
Eva Eliassen, Gerhard Krueger, Mario Luppi, Dharam Ablashi
Human herpesvirus 6A and 6B (HHV-6A and HHV-6B) have been noted since their discovery for their T-lymphotropism. Although it has proven difficult to determine the extent to which HHV-6A and HHV-6B are involved in the pathogenesis of many diseases, evidence suggests that primary infection and reactivation of both viruses may induce or contribute to the progression of several lymphoproliferative disorders, ranging from benign to malignant and including infectious mononucleosis-like illness, drug induced hypersensitivity syndrome/drug reaction with eosinophilia and systemic symptoms (DIHS/DRESS), and nodular sclerosis Hodgkin's lymphoma...
2018: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/29754771/epstein-barr-virus-specific-cytokine-induced-killer-cells-for-treatment-of-epstein-barr-virus-related-malignant-lymphoma
#16
Lisa-Marie Pfeffermann, Verena Pfirrmann, Sabine Huenecke, Melanie Bremm, Halvard Bonig, Hans-Michael Kvasnicka, Thomas Klingebiel, Peter Bader, Eva Rettinger
BACKGROUND: Prolonged immunosuppression or delayed T-cell recovery may favor Epstein-Barr virus (EBV) infection or reactivation after allogeneic hematopoietic stem cell transplantation (HSCT), which can lead to post-transplant lymphoproliferative disease (PTLD) and high-grade malignant B-cell lymphoma. Cytokine-induced killer (CIK) cells with dual specific anti-tumor and virus-specific cellular immunity may be applied in this context. METHODS: CIK cells with EBV-specificity were generated from peripheral blood mononuclear cells (PBMCs), expanded in the presence of interferon-γ, anti-CD3, interleukin (IL)-2 and IL-15 and were pulsed twice with EBV consensus peptide pool...
May 10, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29754142/cholestatic-jaundice-a-unique-presentation-leading-to-the-diagnosis-of-hlh-with-hodgkin-lymphoma-hiv-and-ebv
#17
Hira Shaikh, Soorih Shaikh, Amir Kamran, Prerna Mewawalla
Haemophagocytic lymphohistiocytosis (HLH) is a syndrome of dysregulated immune activity with macrophage activation that can manifest as pancytopenia, coagulopathy and other laboratory abnormalities, usually progressing to multiorgan failure and death. This report documents the rarely reported association between HLH and Hodgkin's lymphoma (HL) with simultaneous HIV and Epstein-Barr virus (EBV) and complete resolution with chemotherapy. The patient initially presented with cholestatic jaundice. He was then found to have HL associated with HLH with coexistent HIV and EBV viraemia...
May 12, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29752262/cd4-t-cell-mediated-rejection-of-mhc-class-ii-positive-tumor-cells-is-dependent-on-antigen-secretion-and-indirect-presentation-on-host-apcs
#18
Ole Audun Werner Haabeth, Marte Fauskanger, Melanie Manzke, Katrin U Lundin, Alexandre Corthay, Bjarne Bogen, Anders Aune Tveita
Tumor-specific CD4+ T cells have been shown to mediate efficient anti-tumor immune responses against cancer. Such responses can occur through direct binding to MHC class II (MHC II)-expressing tumor cells or indirectly via activation of professional antigen-presenting cells (APC) that take up and present the tumor antigen. We have previously shown that CD4+ T cells reactive against an epitope within the Ig light chain variable region of a murine B cell lymphoma can reject established tumors. Given the presence of MHC II molecules at the surface of lymphoma cells, we investigated whether MHC II-restricted antigen presentation on tumor cells alone was required for rejection...
May 11, 2018: Cancer Research
https://www.readbyqxmd.com/read/29748373/slan-monocytes-and-macrophages-mediate-cd20-dependent-b-cell-lymphoma-elimination-via-adcc-and-adcp
#19
William Vermi, Alessandra Micheletti, Giulia Finotti, Cristina Tecchio, Federica Calzetti, Sara Costa, Mattia Bugatti, Stefano Calza, Claudio Agostinelli, Stefano Pileri, Piera Balzarini, Alessandra Tucci, Giuseppe Rossi, Lara Furlani, Giuseppe Todeschini, Alberto Zamò, Fabio Facchetti, Luisa Lorenzi, Silvia Lonardi, Marco A Cassatella
Terminal tissue differentiation and function of slan+ monocytes in cancer is largely unexplored. Our recent studies demonstrated that slan+ monocytes differentiate into a distinct subset of dendritic cells (DC) in human tonsils and that slan+ cells colonize metastatic carcinoma-draining lymph nodes. Herein, we report by retrospective analysis of multi-institutional cohorts that slan+ cells infiltrate various types of non-Hodgkin lymphomas (NHL), particularly the diffuse large B-cell lymphoma (DLBCL) group, including the most aggressive, nodal and extra-nodal, forms...
May 10, 2018: Cancer Research
https://www.readbyqxmd.com/read/29746931/cd31-regulates-metastasis-by-inducing-epithelial-mesenchymal-transition-in-hepatocellular-carcinoma-via-the-itgb1-fak-akt-signaling-pathway
#20
Yuan-Yuan Zhang, Ling-Qun Kong, Xiao-Dong Zhu, Hao Cai, Cheng-Hao Wang, Wen-Kai Shi, Man-Qing Cao, Xiao-Long Li, Kang-Shuai Li, Shi-Zhe Zhang, Zong-Tao Chai, Jian-Yang Ao, Bo-Gen Ye, Hui-Chuan Sun
Platelet endothelial cell adhesion molecule-1 (PECAM-1 or CD31) is a well-known marker of endothelial cells and a key factor for adhesion and accumulation of platelets. CD31 plays roles in cell proliferation, apoptosis, migration, and cellular immunity. CD31 is also expressed on tumor cells, such as breast cancer cells and non-Hodgkin's lymphomas, and contributes to tumor cell invasion. Here, our experiments show that CD31 promotes metastasis by inducing the epithelial-mesenchymal transition in hepatocellular carcinoma by up-regulating integrin β1 via the FAK/Akt signaling pathway...
May 7, 2018: Cancer Letters
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