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https://www.readbyqxmd.com/read/27913781/synchronous-microscopic-epstein-barr-virus-positive-diffuse-large-b-cell-lymphoma-of-the-adrenal-and-lymphoplasmacytic-lymphoma-de-novo-disease-or-transformation
#1
Mufaddal T Moonim, Alia Nasir, Jonathan Hubbard, Nicholas Ketley, Paul Fields
Lymphomas arising in the adrenal are rare, and to our knowledge, 2 cases of Epstein-Barr virus (EBV)-positive diffuse large B-cell lymphomas (DLBCL) in an adrenal pseudocyst have been reported. We report an incidental EBV-positive DLBCL arising in an adrenal pseudocyst in a 58-year-old man with a 7-year history of lymphoplasmacytic lymphoma (LPL). The DLBCL was present in the fibrinous exudate, while the LPL resided in the cyst wall. The patient underwent de-roofing of the same cyst 3 years previously; review of histology revealed foci of LPL in the cyst wall, but not of DLBCL...
December 2, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27913533/non-hodgkin-lymphoma-across-the-pediatric-and-adolescent-and-young-adult-age-spectrum
#2
John T Sandlund, Mike G Martin
The non-Hodgkin lymphomas (NHLs) occurring in children and adolescents and young adults (AYA) are characterized by various age-related differences in tumor biology and survival. Children generally present with high-grade lymphomas, such as Burkitt lymphoma, diffuse large B-cell lymphoma, lymphoblastic lymphoma, and anaplastic large cell lymphoma, whereas low-grade histologic subtypes, such as follicular lymphoma, occur more frequently with increasing age. Treatment outcome for children with NHL is generally superior to that observed in adults...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913506/checkpoint-inhibition-and-cellular-immunotherapy-in-lymphoma
#3
Premal Lulla, Helen E Heslop
Hodgkin and non-Hodgkin lymphoma are both good targets for immunotherapy, as they are accessible to antibodies and cell-based immunotherapy, express costimulatory molecules, and express lineage-restricted, viral, and unique tumor antigens. Blockade of the programmed-death 1 (PD-1) immune checkpoint has produced very encouraging response rates in patients with Hodgkin lymphoma, whereas adoptive transfer of Epstein-Barr Virus (EBV)-specific T cells has shown clinical activity in patients with posttransplant lymphoma and other EBV-associated lymphomas...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913505/management-of-primary-central-nervous-system-lymphoma-in-children
#4
Lisa Giulino-Roth, Oussama Abla, Tracy T Batchelor
A 14-year-old boy with no significant past medical history presents with headaches and vomiting and is found to have a 2 × 3-cm left parietal lobe mass. A stereotactic biopsy reveals diffuse large B-cell lymphoma (DLBCL). Cerebrospinal fluid cytology, as well as bone marrow biopsies are negative, and a whole-body positron emission tomography/computed tomography scan does not demonstrate other areas of disease. The primary medical team asks how you would treat this patient.
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913051/erg-expression-in-multiple-myeloma-a-potential-diagnostic-pitfall
#5
Juliana Knief, Katharina Reddemann, Jan Gliemroth, Swantje Brede, Tobias Bartscht, Christoph Thorns
INTRODUCTION: ERG expression has been described as a frequent event in prostate cancer indicating poor prognosis and promoting oncogenesis. It has also been demonstrated in Ewing's sarcoma, acute myeloid leukemia and acute T-lymphoblastic leukemia but could not be found in other epithelial tumors, Hodgkin's or Non-Hodgkin's lymphoma. We aimed to analyze ERG expression in multiple myeloma, following an index case of a patient with metastases of unknown origin in the spine strongly expressing ERG, which were thought to be of prostatic origin but turned out to be plasmacytic lesions...
November 3, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27911989/a-prospective-cohort-study-of-patients-with-peripheral-t-cell-lymphoma-in-the-united-states
#6
Steven M Horwitz, Lauren C Pinter-Brown, Steven T Rosen, Barbara Pro, Eric D Hsi, Massimo Federico, Christian Gisselbrecht, Marc Schwartz, Lisa A Bellm, Mark A Acosta, Andrei R Shustov, Ranjana H Advani, Tatyana A Feldman, Mary Jo Lechowicz, Sonali M Smith, Frederick Lansigan, Anil Tulpule, Michael D Craig, John P Greer, Brad S Kahl, Joseph W Leach, Neil Morganstein, Carla Casulo, Steven I Park, Francine M Foss
BACKGROUND: Long-term survival in patients with aggressive peripheral T-cell lymphoma (PTCL) is generally poor, and there currently is no clear consensus regarding the initial therapy used for these diseases. Herein, the authors analyzed treatment patterns and outcomes in a prospectively collected cohort of patients with a new diagnosis of nodal PTCL in the United States. METHODS: Comprehensive Oncology Measures for Peripheral T-cell Lymphoma Treatment (COMPLETE) is a prospective multicenter cohort study designed to identify the most common prevailing treatment patterns used for patients newly diagnosed with PTCL in the United States...
December 2, 2016: Cancer
https://www.readbyqxmd.com/read/27910859/t-cell-programming-in-pancreatic-adenocarcinoma-a-review
#7
REVIEW
Y D Seo, V G Pillarisetty
Despite recent advancements in multimodal therapy, pancreatic ductal adenocarcinoma (PDA) continues to have a dismal prognosis. In the era of burgeoning immune therapies against previously difficult-to-treat malignancies, there has been growing interest in activating the immune system against PDA; however, unlike in other cancers such as melanoma and lymphoma, immunotherapy has not yielded many clinically significant results. To harness these mechanisms for therapeutic use, an in-depth understanding of T-cell programming in the immune microenvironment of PDA must be achieved...
December 2, 2016: Cancer Gene Therapy
https://www.readbyqxmd.com/read/27910801/epidemiologic-and-therapeutic-aspects-of-refractory-coeliac-disease-a-systematic-review
#8
Sara Anna Rowinski, Erik Christensen
INTRODUCTION: Refractory coeliac disease (RCD) is a rare and severe malabsorptive disease. The condition has two subtypes: RCDI and RCDII. Different treatments have been tested: and because RCD has a poor prognosis due to progress to enteropathy-associated T-cell lymphoma, the aim was to review the epidemiologic aspects and the therapeutic options for RCD. METHODS: A systematic literature search was performed in 18 databases, and 122 records were identified. Incidence, prevalence, treatment methods and their efficacy were evaluated...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27910030/recurrent-cytogenetic-abnormalities-in-non-hodgkin-s-lymphoma-and-chronic-lymphocytic-leukemia
#9
Edmond S K Ma
Characteristic chromosomal translocations are found to be associated with subtypes of B-cell non-Hodgkin lymphoma (NHL), for example t(8;14)(q24;q32) and Burkitt lymphoma, t(14;18)(q32;q21) and follicular lymphoma, and t(11;14)(q13;q32) in mantle cell lymphoma. Only few recurrent cytogenetic aberrations have been identified in the T-cell NHL and the best known is the ALK gene translocation t(2;5)(p23;q35) in anaplastic large cell lymphoma. Since lymph node or other tissue is seldom submitted for conventional cytogenetics study, alternative approaches for translocation detection are polymerase chain reaction (PCR) or fluorescence in situ hybridization (FISH)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910012/chromosome-preparation-for-chronic-lymphoid-malignancies
#10
Dorota Koczkodaj, Agata A Filip
Conventional cytogenetics is invariably one of the most important methods used in diagnostics of chronic lymphoproliferations. It complements fluorescence in situ hybridization (FISH) and molecular analysis. Presence of particular chromosomal alterations in chronic lymphocytic leukemia enables patients' stratification into appropriate cytogenetic risk groups and influences treatment decisions. In other non-Hodgkin lymphomas cytogenetic analyses are employed also in minimal residual disease assessment.As lymphocytes in chronic lymphoid malignancies are characterized by low proliferation rate in vitro, it is critical to induce their division in the culture properly...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909217/the-small-foxp1-isoform-predominantly-expressed-in-activated-b-cell-like-diffuse-large-b-cell-lymphoma-and-full-length-foxp1-exert-similar-oncogenic-and-transcriptional-activity-in-human-b-cells
#11
Martine van Keimpema, Leonie J Grüneberg, Esther J M Schilder-Tol, Monique E C M Oud, Esther Beuling, Paul J Hensbergen, Johann de Jong, Steven T Pals, Marcel Spaargaren
The forkhead transcription factor FOXP1 is generally regarded as an oncogene in activated B cell-like diffuse large B-cell lymphoma. Previous studies have suggested that a small isoform of FOXP1 (FOXP1-iso), rather than full-length FOXP1 (FOXP1-FL), may possess this oncogenic activity. Corroborating those studies, we here show that activated B cell-like diffuse large B-cell lymphoma cell-lines and primary activated B cell-like diffuse large B-cell lymphoma cells predominantly express FOXP1-iso and that the 5-end of the Foxp1 gene is a common insertion site in murine lymphomas in leukaemia virus- and transposon-mediated insertional mutagenesis screens...
December 1, 2016: Haematologica
https://www.readbyqxmd.com/read/27907212/diffuse-large-b-cell-lymphoma-cell-line-u-2946-model-for-mcl1-inhibitor-testing
#12
Hilmar Quentmeier, Hans G Drexler, Vivien Hauer, Roderick A F MacLeod, Claudia Pommerenke, Cord C Uphoff, Margarete Zaborski, Mattias Berglund, Gunilla Enblad, Rose-Marie Amini
Diffuse large B cell lymphoma (DLBCL) is the most common form of non-Hodgkin lymphoma worldwide. We describe the establishment and molecular characteristics of the DLBCL cell line U-2946. This cell line was derived from a 52-year-old male with DLBCL. U-2946 cells carried the chromosomal translocation t(8;14) and strongly expressed MYC, but not the mature B-cell lymphoma associated oncogenes BCL2 and BCL6. Instead, U-2946 cells expressed the antiapoptotic BCL2 family member MCL1 which was highly amplified genomically (14n)...
2016: PloS One
https://www.readbyqxmd.com/read/27905841/cell-delivered-entry-inhibitors-for-hiv-1-ccr5-downregulation-and-blocking-virus-membrane-fusion-in-defending-the-host-cell-population
#13
Geoff Symonds, Jeffrey S Bartlett, Hans-Peter Kiem, Marlene Tsie, Louis Breton
HIV-1 infection requires the presence of the CD4 receptor on the target cell surface and a coreceptor, predominantly CC-chemokine receptor 5 (CCR5). It has been shown that individuals who are homozygous for a defective CCR5 gene are protected from HIV-1 infection. A novel self-inactivating lentiviral vector LVsh5/C46 (Cal-1) has been engineered to block HIV-1 infection with two viral entry inhibitors, conferring resistance to HIV-1 infection from both CCR5 and CXCR4 tropic strains. Cal-1 encodes a short hairpin RNA (sh5) to downregulate CCR5 and C46, an HIV-1 fusion inhibitor...
December 2016: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/27905485/b-and-t-lymphocyte-number-and-function-in-hiv-hiv-lymphoma-patients-treated-with-high-dose-chemotherapy-and-autologous-bone-marrow-transplantation
#14
Diego Bertoli, Alessandro Re, Marco Chiarini, Alessandra Sottini, Federico Serana, Viviana Giustini, Aldo M Roccaro, Chiara Cattaneo, Luigi Caimi, Giuseppe Rossi, Luisa Imberti
Combination of anti-retroviral therapy, high-dose chemotherapy (HCT) and autologous stem cell transplantation (ASCT) has led to an improved survival of HIV(+) non-Hodgkin lymphoma (NHL) patients. We compared T- and B-cell subset recovery and related capability to respond to in-vitro stimulation, as well as T-cell repertoire modifications of HIV(+) and HIV(-) NHL patients undergoing HCT and ASCT as first-line consolidation or salvage treatment, using sequential blood samples obtained before and at 3, 6, 12 and 24 months after ASCT...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904750/hemophagocytic-lymphohistiocytosis-complicating-a-t-cell-rich-b-cell-lymphoma
#15
El Mehdi Mahtat, Maryem Zine, Mohamed Allaoui, Malika Kerbout, Nezha Messaoudi, Kamal Doghmi, Mohamed Mikdame
BACKGROUND: Hemophagocytic lymphohistiocytosis in adults is often secundary to an infection or a neoplasm. In this last case, T cell lymphomas are the most frequent causes. Hemophagocytic lymphohistiocytosis secundary to a B cell lymphoma has been rarely reported. CASE PRESENTATION: We describe a case of a hemophagocytic lymphohistiocytosis complicating a T-cell rich B-cell lymphoma treated with conventionnal chemotherapy leading to a complete remission. CONCLUSION: Prompt etiologic diagnosis and treatment of hemophagocytic lymphohistiocytosis leads to satisfactory outcome...
2016: BMC Hematology
https://www.readbyqxmd.com/read/27904663/t-type-calcium-channel-blocker-attenuates-unilateral-ureteral-obstruction-induced-renal-interstitial-fibrosis-by-activating-the-nrf2-antioxidant-pathway
#16
Sungjin Chung, Soojeong Kim, Minyoung Kim, Eun Sil Koh, Hye Eun Yoon, Ho-Shik Kim, Cheol Whee Park, Yoon Sik Chang, Seok Joon Shin
Besides its effect on high blood pressure, T-type calcium channel blocker is renoprotective in experimental models of renal fibrosis. However, the exact mechanism of T-type calcium channel blocker on tubulointerstitial fibrosis is unclear. We investigated whether the renoprotective effect of T-type calcium channel blocker is associated with modulation of the signaling of oxidative stress-induced renal fibrosis. Treatment with a non-hypotensive dose of efonidipine, a T-type calcium channel blocker, or nifedipine, an L-type channel blocker, was initiated one day before unilateral ureteral obstruction (UUO) in C57BL6/J mice, and was continued until 3 and 7 days after UUO...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904290/a-case-of-cutaneous-epstein-barr-virus-associated-diffuse-large-b-cell-lymphoma-in-an-angioimmunoblastic-t-cell-lymphoma
#17
Mi-Hye Lee, Ik-Jun Moon, Woo-Jin Lee, Chong-Hyun Won, Sung-Eun Chang, Jee-Ho Choi, Mi-Woo Lee
No abstract text is available yet for this article.
December 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27904177/a-clinicopathological-analysis-of-primary-cutaneous-lymphomas-a-6-year-observational-study-at-a-tertiary-care-center-of-south-india
#18
Anza Khader, Shiny Padinjarayil Manakkad, Mohammed Shaan, Sarita Sasidharan Pillai, Najeeba Riyaz, P Binitha Manikoth, Muhammed Kunnummel, Sunitha Balakrishnan
BACKGROUND: Little data are available concerning clinical and pathological patterns of cutaneous lymphomas in India. AIM: To analyze the clinical and histopathological characteristics of cutaneous lymphomas in Indian patients. MATERIALS AND METHODS: This is a single-center, prospective, observational study carried out from January 1, 2010, to December 31, 2015. The patients underwent clinical examination, human T-cell lymphotropic virus-1 (HTLV-1) screening, skin biopsy with hematoxylin and eosin and immunohistochemistry staining...
November 2016: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/27903986/adult-t-cell-leukemia-aggressivenness-correlates-with-loss-of-both-5-hydroxymethylcytosine-and-tet2-expression
#19
Ambroise Marçais, Laetitia Waast, Julie Bruneau, Katia Hanssens, Vahid Asnafi, Philippe Gaulard, Felipe Suarez, Patrice Dubreuil, Antoine Gessain, Olivier Hermine, Claudine Pique
Mutations in TET2, encoding one of the TET members responsible for the conversion of DNA cytosine methylation to hydroxymethylation (5-hmc), have been recently described in Human T-lymphotropic virus type 1-associated adult T-cell leukemia/lymphoma (ATLL). However, neither the amount of genomic 5-hmc in ATLL tumor cells nor TET2 expression has been studied yet. In this study, we analyzed these two parameters as well as the mutational status of TET2 in ATLL patients. By employing a direct in situ approach, we documented that tumor T cells infiltrating lymph nodes exhibit low level of 5-hmc compared to residual normal T cells...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27901491/a-comparison-of-treatment-modalities-for-nasal-extranodal-natural-killer-t-cell-lymphoma-in-early-stages-the-efficacy-of-chop-regimen-based-concurrent-chemoradiotherapy
#20
Jianzhong Cao, Shengmin Lan, Liuhai Shen, Hongwei Si, Ning Zhang, Hongwei Li, Ruyuan Guo
This study was designed to evaluate the efficacy of several treatment modalities, including CHOP based concurrent chemoradiotherapy (CCRT), for the patients with stage IE or IIE nasal extranodal NK/T-cell lymphoma (nasal ENKL). The cases were retrieved between 2000 and 2010 (n=94), and were followed to the end of February 2016. The patients were grouped into A (chemotherapy alone; CT alone), B (sequential treatment) and C (CCRT). For those with efficacy evaluation for overall treatment (n=90), CR was attained in 60...
November 25, 2016: Oncotarget
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