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https://www.readbyqxmd.com/read/29664532/-hypercalcemia-monoclonal-peak-and-leukemic-presentation-of-a-high-grade-b-cell-lymphoma-with-myc-bcl-2-and-bcl-6-translocations-triple-hit-report-of-one-case
#1
Camila Peña, María José Marti, Pablo Villegas, María Soledad Undurraga
No abstract text is available yet for this article.
November 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/29662631/overlap-at-the-molecular-and-immunohistochemical-levels-between-angioimmunoblastic-t-cell-lymphoma-and-a-subgroup-of-peripheral-t-cell-lymphomas-without-specific-morphological-features
#2
Rebeca Manso, Julia González-Rincón, Manuel Rodríguez-Justo, Giovanna Roncador, Sagrario Gómez, Margarita Sánchez-Beato, Miguel A Piris, Socorro M Rodríguez-Pinilla
The overlap of morphology and immunophenotype between angioimmunoblastic T-cell lymphoma (AITL) and other nodal peripheral T-cell lymphomas (n-PTCLs) is a matter of current interest whose clinical relevance and pathogenic background have not been fully established. We studied a series of 98 n-PTCL samples (comprising 57 AITL and 41 PTCL-NOS) with five TFH antibodies (CD10, BCL-6, PD-1, CXCL13, ICOS), looked for mutations in five of the genes most frequently mutated in AITL ( TET2 , DNMT3A, IDH2, RHOA and PLCG1 ) using the Next-Generation-Sequencing Ion Torrent platform, and measured the correlations of these characteristics with morphology and clinical features...
March 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29614336/peripheral-blood-immune-response-related-gene-analysis-for-evaluating-the-potential-risk-of-chronic-antibody-mediated-rejection
#3
Takayuki Yamamoto, Kenta Iwasaki, Kenta Murotani, Asami Takeda, Kenta Futamura, Manabu Okada, Makoto Tsujita, Takahisa Hiramitsu, Norihiko Goto, Shunji Narumi, Yoshihiko Watarai, Kunio Morozumi, Kazuharu Uchida, Takaaki Kobayashi
Noninvasive methods for the early diagnosis of chronic antibody-mediated rejection (cAMR) are desired for patients with de novo (dn) donor-specific HLA antibody (DSA). This study aimed to elucidate the clinical relevance of immune-related gene expression in peripheral blood of kidney transplant recipients. The expression levels of fourteen key molecules (Foxp3, CTLA-4, CCR7, TGF-β, IGLL-1, IL-10, ITCH, CBLB, Bcl-6, CXCR5, granzyme B, CIITA, Baff, TOAG-1/TCAIM) related to regulatory/cytotoxic function of immune cells were compared in 93 patients, which were divided into Groups A (clinical cAMR with dn DSA, n=16), B (subclinical cAMR with dn DSA, n=17), C (negative cAMR with dn DSA, n=21) and D (stable function without dn DSA, n=39)...
March 31, 2018: Human Immunology
https://www.readbyqxmd.com/read/29593732/a-distinct-t-follicular-helper-cell-subset-infiltrates-the-brain-in-murine-neuropsychiatric-lupus
#4
Shweta Jain, Ariel Stock, Fernando Macian, Chaim Putterman
Neuropsychiatric symptoms in systemic lupus erythematosus (SLE) are not uncommon, yet the mechanisms underlying disease initiation and progression in the brain are incompletely understood. Although the role of T cells in other lupus target organs such as the kidney is well defined, which T cells contribute to the pathogenesis of neuropsychiatric SLE is not known. The present study was aimed at characterizing the CD4 T cell populations that are present in the choroid plexus (CP) of MRL/MpJ-fas lpr mice, the primary site of brain infiltration in this classic lupus mouse model which exhibits a prominent neurobehavioral phenotype...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29534356/-clinicopathologic-characteristics-of-burkitt-like-lymphoma-with-chromosome-11q-aberration
#5
P Wei, Y L Zhang, J L Xie, Y Y Zheng, W Liu, X G Zhou
Objective: To analyze clinical, pathological, molecular and genetic characteristics of Burkitt-like lymphoma with chromosome 11q aberration. Methods: A case of Burkitt-like lymphoma with 11q aberration was presented at Beijing Friendship Hospital in November 2016 with detailed clinicopathological features, immunophenotypes, Epstein-Barr virus(EBV) status and molecular genetic characteristics. Results: The patient was a 38-year-old man presenting with the cervical lymphadenopathy. In morphology, the tumor had the similar characteristics of Burkitt lymphoma, including diffuse infiltration of medium to large lymphoid cells, and presence of"starry sky"phenomenon...
March 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29529119/primary-cutaneous-follicle-center-lymphoma-mimicking-folliculitis
#6
Ramya Chockalingam, Savina Aneja, Anisha B Patel
Primary cutaneous follicle center lymphoma (PCFCL) is the most common type of cutaneous B-cell lymphoma. The cutaneous manifestations of PCFCL typically include solitary erythematous or violaceous plaques, nodules, or tumors of varying sizes. Grouped lesions also may be observed, but multifocal disease is rare. We report the case of a 54-year-old woman diagnosed with PCFCL with an unusual clinical presentation resembling folliculitis or Grover disease. Histologic studies demonstrated extensive lymphoma cells in a nodular and diffuse pattern...
January 2018: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29510639/-non-hodgkin%C3%A2-s-b-lymphoma-of-the-ovaries-with-an-unfavourable-prognosis-incidental-finding-during-caesarean-section
#7
M Kopáčková, P Beránek, I Bydžovská, R Pytlík, J Soukup, M Mrhalová
OBJECTIVE: Presentation of a rare finding non-Hodgkin´s B-lymphoma of the ovary in a patient during caesarean section. DESIGN: Case report. SETTINGS: Department of Obstetrics and Gynaecology, Regional Hospital Liberec, a.s.; First Internal Clinic - Clinic of Hematology, First Faculty of Medicine and General University Hospital, Charles University in Prague; Department of Pathology and Molecular Medicine, Second Faculty of Medicine, Charles University in Praque and Motol University Hospital...
2018: Ceská Gynekologie
https://www.readbyqxmd.com/read/29507364/allogeneic-dendritic-cells-stimulated-with-antibodies-against-hla-class-ii-polarize-naive-t-cells-in-a-follicular-helper-phenotype
#8
Olivier Désy, Stéphanie Béland, Patrice Vallin, Julie Riopel, Eva Latulippe, Eric Wagner, Sacha A De Serres
Follicular helper T cells (Tfh) are crucial for the production of high-affinity antibodies, such as alloantibodies, by providing the signals for B-cell proliferation and differentiation. Here, we demonstrate that human allogeneic dendritic cells (DC) stimulated with antibodies against HLA class II antigens preferentially differentiate human naive CD4+ T cells into Tfh cells. Following coculture with DCs treated with these antibodies, CD4+ T cells expressed CXCR5, ICOS, IL-21, Bcl-6 and phosphorylated STAT3...
March 5, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29500147/a-retrospective-study-of-double-hit-lymphomas-in-elderly-patients-aged-70-years-overall-outcomes
#9
Christie Hancock, Phillip Knouse, Imad Almanaseer, Jacob Bitran
BACKGROUND: Double-hit lymphomas (DHLs) are high-grade diffuse large B-cell lymphomas with concurrent translocations involving myc and bcl-2 and/or bcl-6. A patient with DHL often has advanced disease at presentation and typically responds poorly to standard therapy with R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone). More intensive treatment regimens have been studied; however, few data are available on the outcomes in elderly patients (aged > 70 years) treated with these therapies...
April 2018: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29490514/mir-192-suppresses-t-follicular-helper-cell-differentiation-by-targeting-cxcr5-in-childhood-asthma
#10
Defeng Zhang, Yuanbo Wu, Gengyun Sun
The aim of this study was to investigate the role of miR-192 in differentiation of T follicular helper cells in childhood asthma. Blood samples were taken from eighteen children with acute asthma attacks and fifteen healthy children (HC). Quantitative real-time PCR and Western blotting were used to detect the expression levels of miR-192, C-X-C chemokine receptor type 5 (CXCR5), B-cell lymphoma 6 (BCL-6) and inducible T-cell costimulator (ICOS). The flow cytometry was performed to detect the proportion of CD4 + CXCR5+ Tfh cells on CD4 + T lymphocytes...
May 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29487385/histone-deacetylase-hdac-inhibitor-acy241-enhances-anti-tumor-activities-of-antigen-specific-central-memory-cytotoxic-t-lymphocytes-against-multiple-myeloma-and-solid-tumors
#11
Jooeun Bae, Teru Hideshima, Yu-Tzu Tai, Yan Song, Paul Richardson, Noopur Raje, Nikhil C Munshi, Kenneth C Anderson
Histone deacetylases (HDAC) are therapeutic targets in multiple cancers. ACY241, an HDAC6 selective inhibitor, has shown anti-multiple myeloma (MM) activity in combination with immunomodulatory drugs and proteasome inhibitors. Here we show ACY241 significantly reduces the frequency of CD138+ MM cells, CD4+ CD25+ FoxP3+ regulatory T cells, and HLA-DRLow/- CD11b+ CD33+ myeloid-derived suppressor cells; and decreases expression of PD1/PD-L1 on CD8+ T cells and of immune checkpoints in bone marrow cells from myeloma patients...
February 22, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29480878/marginal-zone-lymphoma-of-palatine-tonsil-with-prominent-plasmacytic-differentiation-a-care-compliant-article-and-review-of-literature
#12
Shuang Ma, Rachel Jug, Shuai Shen, Wan-Lin Zhang, Hong-Tao Xu, Lian-He Yang
RATIONALE: The palatine tonsil is an important component of Waldeyer's ring and a site commonly involved by lymphoma. Interestingly, although it is a site of mucosa-associated lymphoid tissue (MALT), primary MALT lymphoma of the palatine tonsil is rare, especially with prominent plasmacytic differentiation. PATIENT CONCERNS: A 59-year-old woman presented to the hospital with a 1-month history of odynophagia. The patient had no fever or pruritus during this period and she declared no family history of hematolymphoid malignancy...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29397826/-mechanism-of-mtor-pathway-in-k562-cell-apoptosis-induced-by-homoharringtonine
#13
Yi-Han Ding, Jing-Jing Wu, Qian Wang, Zhi-Kui Deng, Yu-Feng Li
OBJECTIVE: To investigate the effect of homoharringtonine (HHT) on proliferation and apoptosis of CML cell line K562 cells and to explore its possible mechanism through mTOR pathway. METHODS: K562 cells were cultured with different concentrations of HHT or in its combination with mTOR inhibitor rapamycin (RAPA) for 24 hours. The cell viability was analyzed by CCK-8 assay, the cell apoptosis was detected by flow cytometry, the expressions of BCL-6, Caspase-3 and mTOR signal pathway related proteins was assayed by Western blot, the expression of BCL-6 mRNA was determined by RT-PCR...
February 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29380929/checkpoint-molecule-expression-by-b-and-t-cell-lymphomas-in-dogs
#14
G Hartley, R Elmslie, S Dow, A Guth
Immunotherapies targeting checkpoint molecule programmed cell death 1 (PD-1) protein were shown to be effective for treatment of non-Hodgkin lymphoma in people, but little is known about the expression of PD-1 or its ligand PD-L1 by canine lymphoma. Therefore, flow cytometry was used to analyse expression of PD-1 and PD-L1 in canine lymphoma, using fine-needle aspirates of lymph nodes from 34 dogs with B cell lymphoma (BCL), 6 dogs with T cell lymphoma (TCL) and 11 dogs that had relapsed. Furthermore, fine-needle aspirates were obtained from 17 healthy dogs for comparison...
January 30, 2018: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29377743/leptin-upregulates-peripheral-cd4-cxcr5-icos-t-cells-via-increased-il-6-in-rheumatoid-arthritis-patients
#15
Miaomiao Wang, Jing Wei, Han Li, Xunli Ouyang, Xiaotong Sun, Yawei Tang, Haifeng Chen, Bing Wang, Xia Li
CD4+ CXCR5+ ICOS+ T cells, known as Tfh (T Follicular helper) cells, are required for antibody production. Abnormal production and differentiation of Tfh cells are involved in many autoimmune diseases, including rheumatoid arthritis (RA). Leptin has the property of modulating immune system. Here, we explored the effect of leptin on CD4+ CXCR5+ ICOS+ T cells production in RA patients. Serum leptin levels were measured by enzyme-linked immunosorbent assay (ELISA). Peripheral blood mononuclear cells (PBMC) stimulated with CD3/CD28 were cultured in the presence and absence of leptin and with or without anti-IL-6 receptor (anti-IL-6R), anti-IL-21R, and anti-IL-12R antibody respectively...
February 2018: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/29349567/hbeag-induces-the-expression-of-macrophage-mir-155-to-accelerate-liver-injury-via-promoting-production-of-inflammatory-cytokines
#16
Wenwen Wang, Hongjun Bian, Feifei Li, Xiao Li, Di Zhang, Shuohuan Sun, Shouyang Song, Qiang Zhu, Wanhua Ren, Chengyong Qin, Jianni Qi
Activation of Kupffer cells (KCs) induced that inflammatory cytokine production plays a central role in the pathogenesis of HBV infection. The previous studies from our and other laboratory demonstrated miRNAs can regulate TLR-inducing inflammatory responses to macrophage. However, the involvement of miRNAs in HBV-associated antigen-induced macrophage activation is still not thoroughly understood. Here, we evaluated the effects and mechanisms of miR-155 in HBV-associated antigen-induced macrophage activation...
January 18, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29333888/primary-diffuse-large-b-cell-lymphoma-of-the-ciliary-body
#17
Hayyam Kiratli, Abdullah Ağın, Berrin Büyükeren, Figen Söylemezoğlu
PURPOSE: To report an unusual case of an eye with primary ciliary body lymphoma which came to enucleation allowing detailed histopathological examination. METHODS: A 50-year-old man presented with a painful loss of vision in the left eye. The clinical, imaging, and immunohistopathological features of this case were reviewed. RESULTS: The vision in the left eye was light perception. There were keratic precipitates, an irregular and thickened iris with neovascularization...
January 15, 2018: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29325249/-clinicopathologic-features-of-primary-hepatic-marginal-zone-lymphoma-of-mucosa-associated-lymphoid-tissue-and-hepatic-pseudolymphoma
#18
C Liu, X Li, H Li, Q X Gong, Y Li, Z Wang, Z H Zhang
Objective: To study the clinicopathological features of primary hepatic extranodal marginal zone lymphoma of mucosa associated lymphoid tissue (MALT lymphoma) and hepatic pseudolymphoma, and to discuss their differential diagnosis, treatment and prognosis. Methods: Three primary hepatic MALT lymphomas and two hepatic pseudolymphomas collected from January 2012 to March 2017 in the First Affiliated Hospital of Nanjing Medical University were evaluated by HE and immunohistochemistry(IHC), in-situ hybridization and immunoglobulin (Ig) gene rearrangement detection, and the relevant literature reviewed...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29325248/-survival-of-patients-with-primary-central-nervous-system-diffuse-large-b-cell-lymphoma-impact-of-gene-aberrations-and-protein-overexpression-of-bcl-2-and-c-myc-and-selection-of-chemotherapy-regimens
#19
W J Yin, X Zhu, H Y Yang, W Y Sun, M J Wu
Objective: To investigate the impact of clinicopathological features, gene rearrangements and protein expression of bcl-6, bcl-2, C-MYC and chemotherapy regime on the prognosis of patients with primary central nervous system diffuse large B-cell lymphoma (PCNS-DLBCL). Methods: Thirty-three cases of PCNS-DLBCL diagnosed from January 2006 to December 2016 at Zhejiang Cancer Hospital were collected. The expression of CD10, bcl-6, bcl-2, MUM1 and MYC were detected by immunohistochemical staining (IHC). The presence of EB virus was detected by in situ hybridization(EBER)...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29325247/-impact-of-prdm1-gene-inactivation-on-c-myc-regulation-in-diffuse-large-b-cell-lymphoma
#20
X Y Zhang, Z P Ma, W L Cui, X L Pang, R Chen, L Wang, W Zhang, X X Li
Objective: To investigate the role of PRDM1 gene inactivaion in the regulation of C-MYC in diffuse large B-cell lymphoma (DLBCL), and to explore the correlation of its immunophenotype and prognosis. Methods: 100 cases paraffin-embedded DLBCL tissues were collected from January 2009 to December 2015 at the First Affiliated Hospital of Xinjiang Medical University along with 20 cases of reactive proliferative lymph nodes as control. Immunohistochemical methods were used to detect the expression of CD20, CD10, MUM1, Ki-67, bcl-6, PRDM1/Blimp1, C-MYC and PAX5 protein...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
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