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Monika Kapitančukė, Agnija Vaščiūnaitė, Rasa Augustinienė, Jūratė Sakalinskienė, Gražina Kleinotienė
Background: Primary tumours of the gastrointestinal tract are very uncommon in children. They can present with anaemia caused by gastrointestinal acute or chronic bleeding. One of the most common gastrointestinal tumours is Burkitt lymphoma. This lymphoma is a highly aggressive, rapidly growing B-cell neoplasm, making survival without treatment possible only for a few weeks. For this reason it requires immediate hospitalization and treatment. Case report: We report a case of a gastric Burkitt lymphoma in an adolescent girl who presented with anaemia due to gastrointestinal bleeding...
2018: Acta Medica Lituanica
Giorgio Minotti, Haiyong Han, Valérie Cattan, Anton Egorov, Francesco Bertoni
Pixantrone is a first-in-class aza-anthracenedione approved as monotherapy for treatment of relapsed or refractory aggressive diffuse B-cell non-Hodgkin's lymphoma (NHL), a patient group which is notoriously difficult to treat. It has a unique chemical structure and pharmacologic properties distinguishing it from anthracyclines and anthracenediones. Areas covered: The chemical structure and mode of action of pixantrone versus doxorubicin and mitoxantrone; preclinical evidence for pixantrone's therapeutic effect and cardiac tolerability; efficacy and safety of pixantrone in clinical trials; ongoing and completed trials of pixantrone alone or as combination therapy; and the risk of cardiotoxicity of pixantrone versus doxorubicin and mitoxantrone...
June 18, 2018: Expert Review of Hematology
Johanna C Arroyave-Ospina, María Fernanda Caicedo, María Cristina Navas, Fabián M Cortés-Mancera
The human pegivirus (HPgV), classified in the Flaviviridae family - Pegivirus genus, is an RNA virus identified in 1995. HPgV is a lymphotrophic virus, with replication sites in bone marrow and lymphoid tissue, as well as in peripheral blood mononuclear cells (PBMCs). Transmission is through sexual and parenteral routes, and recent estimations suggest nearly 750 million people are infected with HPgV worldwide. Almost 25% of infected individuals can develop persistent infection. Until now, HPgV has been considered a non-pathogenic virus; however, epidemiological studies suggest a potential role in lymphoproliferative diseases, particularly in the development of non-Hodgkin lymphoma (NHL)...
April 2018: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
Sumru Keceli, Stefan Stenfelt
OBJECTIVE: To compare recordings of bone conduction (BC) stimulated auditory brainstem response (ABR) obtained using the newer BC transducer Radioear B81 and the conventional BC transducer Radioear B71. Balanced electromagnetic separation transducer (BEST) design found in the B81 may influence the ABR magnitudes and latencies, as well as electrical artefacts. DESIGN: ABRs to tone burst stimuli of 500 Hz, 2000 Hz, 4000 Hz, click stimulation, and broad-band chirp stimulation at 20 and 50 dB nHL were recorded...
June 18, 2018: International Journal of Audiology
Antoni Xavier Torres-Collado, Ali R Jazirehi
Patients with B-cell non-Hodgkin’s lymphoma (B-NHL) who fail to respond to first-line treatment regimens or develop resistance, exhibit poor prognosis. This signifies the need to develop alternative treatment strategies. CD19-chimeric antigen receptor (CAR) T cell-redirected immunotherapy is an attractive and novel option, which has shown encouraging outcomes in phase I clinical trials of relapsed/refractory NHL. However, the underlying mechanisms of, and approaches to overcome, acquired anti-CD19CAR CD8⁺ T cells (CTL)-resistance in NHL remain elusive...
June 14, 2018: Cancers
John Rossi, Patrick Paczkowski, Yueh-Wei Shen, Kevin Morse, Brianna Flynn, Alaina Kaiser, Colin Ng, Kyle Gallatin, Tom Cain, Rong Fan, Sean Mackay, James R Heath, Steven A Rosenberg, James N Kochenderfer, Jing Zhou, Adrian Bot
After treatment with chimeric antigen receptor (CAR) T cells, interleukin (IL)-15 elevation and CAR T-cell expansion are associated with non-Hodgkin lymphoma (NHL) outcomes. However, the association of preinfusion CAR product T-cell functionality with clinical outcomes has not been reported. A single-cell analysis of the preinfusion CD19 CAR product from patients with NHL demonstrated that CAR products contain polyfunctional T-cell subsets capable of deploying multiple immune programs represented by cytokines and chemokines including interferon-γ (IFN-γ), IL-17A, IL-8, and macrophage inflammatory protein 1-α...
June 12, 2018: Blood
Y Yaginuma, M Yoshimoto, A Tokuda
High-risk human papillomaviruses (HPVs) possess transforming activity leading to development of the cancer, including oropharyngeal, anal, penile, vulvar, vaginal, and cervical cancer. The stability of E6 is essential for its complete function as an oncoprotein. Using the yeast two-hybrid system, we identified ubiquitin-specific protease 15 (USP15) as an HPV16 E6-interacting protein. USP15 cleaves polyubiquitin chains of HPV16 E6 and/or ubiquitin precursors. Our results indicate that USP15 could increase the level of HPV16 E6 by inhibiting E6 degradation...
2018: Acta Virologica
Benjamin King Hong Law, Ann D King, Qi-Yong Ai, Darren M C Poon, Weitian Chen, Kunwar S Bhatia, Anil T Ahuja, Brigette B Ma, David Ka-Wai Yeung, Frankie Kwok Fai Mo, Yi-Xiang Wang, Jing Yuan
Purpose To evaluate the utility of amide proton transfer (APT) imaging in the characterization of head and neck tumors. Materials and Methods This retrospective study of APT imaging included 117 patients with 70 nasopharyngeal undifferentiated carcinomas (NUCs), 26 squamous cell carcinomas (SCCs), eight non-Hodgkin lymphomas (NHLs), and 13 benign salivary gland tumors (BSGTs). Normal tissues were examined in 25 patients. The APT means of malignant tumors, normal tissues, and benign tumors were calculated and compared with the Student t test and analysis of variance...
June 12, 2018: Radiology
Ajay Prakash, Catherine S Diefenbach
The activity of T cell mediated immunotherapies in B cell lymphoma has been limited to date. The novel bi-specific antibody CD20-TCB, has a 2:1 antibody design to maximize T cell engagement, and demonstrates activity in preclinical models. This may represent a novel therapeutic approach for patients with relapsed/refractory NHL.
June 8, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Diana A Pantoja Pachajoa, Marco Antonio Bruno, Fernando A Alvarez, Germán Viscido, Facundo Mandojana, Alejandro Doniquian
INTRODUCTION: Colorectal cancer (CRC) is the third most commonly diagnosed cancer, whereas lymphoma is the sixth leading cause of cancer death, 90% of which corresponds to non-Hodgkin's lymphoma (NHL). The association of these two primary tumors, a solid tumor with an hematological malignancy, is very uncommon. PRESENTATION OF CASE: We report the case of a 47-year-old man who presented with abdominal pain, a right upper quadrant mass and 12 kg of weight loss in 9 months...
May 30, 2018: International Journal of Surgery Case Reports
Arturo J Bonnin, Charles DeBrosse, Terri Moncrief, G Wendell Richmond
Background: Angioedema secondary to acquired C1 inhibitor deficiency (AAE) is a rare disease. It usually is associated with lymphoproliferative disorders. We present a case of AAE in a patient with antiphospholipid syndrome (APS), a non-Hodgkin lymphoproliferative disorder (NHL) with undetectable levels of C2, C4, and an undetectable CH50. The co-existence of AAE, APS, and NHL, with an undetectable C2 level, to the best of our knowledge, has never before reported together in the same patient...
2018: Allergy, Asthma, and Clinical Immunology
Jacek Wachowiak, Alicja Chybicka, Jerzy R Kowalczyk, Mariusz Wysocki, Jolanta Goździk, Ewa Gorczyńska, Krzysztof Kałwak, Jan Styczyński, Katarzyna Drabko, Anna Pieczonka
The purpose of the survey was to evaluate the development and current use of hematopoietic stem cell transplantation (HSCT) in Poland between 1989-2016. The data for analysis (indication, number of performed HSCT, HSCT type, donor type, and stem cell source, year) have been collected annually using a standardized form. In Poland, between 1989-2016, the number of pediatric transplant beds grew from one to 40 and number and rate of transplants increased annually from 1/year (0.8/10 million) to 186/year (248/10 million)...
May 16, 2018: Transfusion and Apheresis Science
Lan V Pham, Elizabeth Pogue, Richard J Ford
Macrophages (MPs) are heterogeneous, multifunctional, myeloid-derived leukocytes that are part of the innate immune system, playing wide-ranging critical roles in basic biological activities, including maintenance of tissue homeostasis involving clearance of microbial pathogens. Tumor-associated MPs (TAMs) are MPs with defined specific M2 phenotypes now known to play central roles in the pathophysiology of a wide spectrum of malignant neoplasms. Also, TAMs are often intrinsic cellular components of the essential tumor microenvironment (TME)...
2018: Frontiers in Oncology
Manman Deng, Yuanfei Shi, Kai Chen, Haijun Zhao, Yan Wang, Siting Xie, Jintao Zhao, Yiming Luo, Zhihong Fang, Yaqun Fan, Bing Xu
Non-Hodgkin's lymphomas (NHLs) are a heterogeneous group of lymphoproliferative disorders. Mounting studies have suggested an involvement of angiogenesis signaling in NHLs progression and resistance to treatment. In this study, we investigated the cytotoxicity of CS2164, a novel receptor tyrosine kinase inhibitor selectively targeting VEGFR-2 and Aurora B in NHL cells. By in vitro culture system and in vivo xenograft model, we found that CS2164 significantly inhibited cell growth and abolished clonogenicity in NHL cells in a dose- and time-dependent manner...
June 1, 2018: Experimental Cell Research
E Focà, G Cavaglià, S Rusconi, A Cascavilla, G Cenderello, A Re, S Casari, L van den Bogaart, P L Zinzani, D Caracciolo, G Di Perri, A Bonito, A Lucchini, G Cassola, P Viale, A Calcagno
OBJECTIVES: Lymphoproliferative disorders are often observed in HIV-positive patients. Combination antiretroviral treatment (cART) during antineoplastic chemotherapy is beneficial, but little is known about the clinical outcome according to different antiretroviral combinations. The aim of the study was to address this gap in current knowledge. METHODS: A retrospective study was conducted in five large Italian centres for the period from 1998 to 2015; HIV-positive patients diagnosed with lymphoma were included and demographic, clinical and therapeutic variables were recorded and associated with clinical outcomes...
June 4, 2018: HIV Medicine
Carrie A Thompson, Kathleen J Yost, Matthew J Maurer, Cristine Allmer, Umar Farooq, Thomas M Habermann, David J Inwards, William R Macon, Brian K Link, Allison C Rosenthal, James R Cerhan
Our aim was to evaluate whether quality of life (QOL) scores at diagnosis predict survival among patients with aggressive lymphoma. Newly diagnosed lymphoma patients were prospectively enrolled within 9 months of diagnosis in the University of Iowa/Mayo Clinic SPORE and systematically followed for event-free and overall survival (OS). QOL was measured with the Functional Assessment of Cancer Treatment-General (FACT-G), which measures 4 domains: physical, social/family, emotional, and functional well-being (WB); a single item Linear Analogue Self-Assessment (LASA) measuring overall QOL; and a spiritual WB LASA...
June 3, 2018: Hematological Oncology
Mengxuan Zuo, Haorui Shen, Jingjing Yin, Wei Wang, Yan Zhang, Dao-Bin Zhou, Wei Zhang
PURPOSE: The aim of study was to explore the PD-1 expression on Treg cells and its association with T-NHL. METHODS: 137 patients newly diagnosed with T-NHL and 115 healthy controls were enrolled. The expression level of PD-1 was measured by flow cytometry at the time of diagnose and 3-8 course of treatment. RESULTS: Median fluorescence intensity (MFI) of PD-1 on Treg cells in T-NHL patients was significantly higher than that in healthy controls (P < 0...
May 24, 2018: Leukemia Research
Wojciech Wojtowicz, Angelika Chachaj, Andrzej Olczak, Adam Ząbek, Elżbieta Piątkowska, Justyna Rybka, Aleksandra Butrym, Monika Biedroń, Grzegorz Mazur, Tomasz Wróbel, Andrzej Szuba, Piotr Młynarz
Haematological malignancies are a frequently diagnosed group of neoplasms and a significant cause of cancer deaths. The successful treatment of these diseases relies on early and accurate detection. Specific small molecular compounds released by malignant cells and the simultaneous response by the organism towards the pathological state may serve as diagnostic/prognostic biomarkers or as a tool with relevance for cancer therapy management. To identify the most important metabolites required for differentiation, an 1 H NMR metabolomics approach was applied to selected haematological malignancies...
May 11, 2018: Oncotarget
Kai-Che Wei, Chenglen Sy, Shang-Yin Wu, Tzu-Jung Chuang, Wei-Chun Huang, Ping-Chin Lai
Rituximab is associated with a higher incidence of Pneumocystis jirovecii pneumonia infection. Pneumocystis prophylaxis is advised in many immunocompromised populations treated with rituximab. However, the beneficial effect of pneumocystis prophylaxis in HIV-uninfected, rituximab-treated non-Hodgkin lymphoma (NHL) patients has not been assessed. Thus, we conducted this retrospective study to explore pneumocystis infection in HIV-uninfected NHL patients who received at least three courses of chemotherapy without haematopoietic stem cell transplantation using the Taiwan National Health Insurance Research Database...
May 29, 2018: Scientific Reports
Thomas Noesslinger, Michael Panny, Ralph Simanek, Michaela Moestl, Alexandra Boehm, Elisabeth Menschel, Elisabeth Koller, Felix Keil
BACKGROUND: Autologous Stem Cell Transplantation (ASCT) following BEAM (BCNU, etoposide, cytarabine, melphalan) conditioning is standard of care in relapsed low- and high-grade B-cell lymphoma (DLBCL) and other lymphoproliferative disorders, but BCNU is associated with interstitial pneumonia and an increased mortality. A less toxic regimen might improve the outcome of lymphoma patients after transplantation. OBJECTIVES: We investigated the role of bendamustine replacing BCNU in the BEAM regimen in lymphoma patients undergoing ASCT...
May 25, 2018: European Journal of Haematology
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