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https://www.readbyqxmd.com/read/28926365/primary-cutaneous-diffuse-large-b-cell-lymphoma-leg-type-with-spontaneous-regression-after-biopsy
#1
Gabriel Marrero-Alemán, Társila Montenegro-Dámaso, Yeray Peñate
Primary cutaneous diffuse large B-cell lymphoma, leg type (PCDLBCL-LT) represents approximately 20% of cutaneous B lymphomas with an intermediate prognosis. Spontaneous regression is uncommon; there are only 2 published cases. An 83-year-old woman presented 2 orange erythematous nodules on the back of her right leg with an elastic consistency, infiltrated, painful to the touch, and of an 8-month evolution. A histological examination revealed a dense cellular dermo-hypodermic infiltrate sparing the papillary dermis, composed of large cells with immunoblast and centroblast morphology and frequent mitosis...
October 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28924126/development-of-epstein-barr-virus-related-primary-diffuse-large-b-cell-lymphoma-of-the-central-nervous-system-in-a-patient-with-peripheral-t-cell-lymphoma-not-otherwise-specified-after-mogamulizumab-treatment
#2
Hiroaki Tanaka, Hanako Aoki, Yasumasa Sugita, Ryo Shimizu, Katsunari Kiko, Hidetoshi Mochida, Yoshio Suzuki
Mogamulizumab is a defucosylated humanized anti-CC chemokine receptor type 4 (CCR4) antibody that exerts an anti-tumor immune effect against various tumors through a suppressive effect on regulatory T-cells. We herein report a patient with peripheral T-cell lymphoma who developed Epstein-Barr virus (EBV)-related primary diffuse large B-cell lymphoma of the central nervous system (CNS DLBCL) after mogamulizumab therapy. Our experience should alert physicians to the possibility of the development of EBV-related CNS DLBCL in patients treated for primary lymphoma and suggests that the anti-tumor immune effect of mogamulizumab is ineffective for the prophylaxis of EBV-related lymphomas...
September 15, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28923211/nivolumab-and-pembrolizumab-monoclonal-antibodies-against-programmed-cell-death-1-pd-1-that-are-interchangeable
#3
REVIEW
Vinay Prasad, Victoria Kaestner
Nivolumab (Opdivo, Bristol Meyer Squibb, New York, NY) and pembrolizumab (Keytruda, Merck, Kenilworth, NJ) are the first two US Food and Drug Administration (FDA)-approved monoclonal antibodies targeting programmed death-1 (PD-1). Nivolumab and pembrolizumab work by interfering with the interaction between PD-1 and programmed death ligand-1 (PD-L1), whose unimpeded interaction downregulates T cells allowing cancer cells to evade immune surveillance. These drugs have earned a series of FDA approvals for melanoma, non-small cell lung cancer (NSCLC), head and neck squamous cell cancer (HNSCC), urothelial cancer, classical Hodgkin lymphoma, and renal cell cancer...
April 2017: Seminars in Oncology
https://www.readbyqxmd.com/read/28916993/periostin-in-the-pathogenesis-of-skin-diseases
#4
REVIEW
Hiroyuki Murota, Yang Lingli, Ichiro Katayama
Skin is an organ that is susceptible to damage by external injury, chronic inflammation, and autoimmunity. Tissue damage causes alterations in both the configuration and type of cells in lesional skin. This phenomenon, called tissue remodeling, is a universal biological response elicited by programmed cell death, inflammation, immune disorders, and tumorigenic, tumor proliferative, and cytoreductive activity. In this process, changes in the components of the extracellular matrix are required to provide an environment that facilitates tissue remodeling...
September 15, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28916148/chemokine-receptor-directed-imaging-and-therapy
#5
REVIEW
Andreas K Buck, Antje Stolzenburg, Heribert Hänscheid, Andreas Schirbel, Katharina Lückerath, Margret Schottelius, Hans-Jürgen Wester, Constantin Lapa
The C - X - C chemokine receptor 4 (CXCR4) and its natural ligand CXCL12 are key factors in the process of cell migration, homing of hematopoietic stem cells to the bone marrow, and represent important mediators of angiogenesis and cell proliferation. The CXCR4/CXCL12 interplay can be disrupted by CXCR4 antagonists such as Plerixafor which are already in daily clinical use, i.e. for mobilization and subsequent harvesting of hematopoietic progenitor cells and stem cell transplantation. In a pathological condition, involvement in the process of metastasis and homing of cancer cells to a protective niche has been described, making CXCR4 an attractive target for imaging and treatment of malignant diseases...
September 12, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28915662/cbl-b-predicts-postoperative-survival-in-patients-with-resectable-pancreatic-ductal-adenocarcinoma
#6
Qian Dong, Yuteng Ma, Yao Zhang, Xiujuan Qu, Zhi Li, Yafei Qi, Yunpeng Liu, Ce Li, Kai Li, Xianghong Yang, Xiaofang Che
Casitas B-lineage lymphoma b (Cbl-b) is a ubiquitin-protein ligase and a signal transducing adaptor protein involved in immune regulation, and it may be involved in the development and progression of cancer. We investigated the association between Cbl-b expression and prognosis in patients with resectable pancreatic ductal adenocarcinoma (PDAC). The clinicopathological characteristics and survival data of 134 patients with surgery for PDAC between January 2009 and February 2012 were retrospectively evaluated, and Cbl-b expression was assayed by immunohistochemical staining...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28912991/t-cell-histiocyte-rich-large-b-cell-lymphoma-presenting-as-hemophagocytic-lymphohistiocytosis-an-uncommon-presentation-of-a-rare-disease
#7
Uroosa Ibrahim, Gwenalyn Garcia, Amina Saqib, Shafinaz Hussein, Qun Dai
T cell histiocyte rich large B cell lymphoma (THRLBCL) is a rare subtype of non-Hodgkin's lymphoma characterized by malignant B cells with reactive T lymphocytes. The pathophysiology is thought to involve cytokine-mediated evasion of T cell immune response by malignant B cells. It usually presents at an advanced stage with extranodal involvement. An extremely unusual manifestation of the disease is hemophagocytic lymphohistiocytosis (HLH) which is a hyperinflammatory disorder. We present a case of a 43-year-old male who presented with recurrent fever and recent radiologic imaging showing splenomegaly and right inguinal lymphadenopathy...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/28912500/dynamic-changes-in-the-splenic-transcriptome-of-chickens-during-the-early-infection-and-progress-of-marek-s-disease
#8
Lu Dang, Man Teng, Hua-Wei Li, Hui-Zhen Li, Sheng-Ming Ma, Pu Zhao, Xiu-Jie Li, Rui-Guang Deng, Gai-Ping Zhang, Jun Luo
Gallid alphaherpesvirus 2 (GaHV2) is an oncogenic avian herpesvirus inducing Marek's disease (MD) and rapid-onset T-cell lymphomas. To reveal molecular events in MD pathogenesis and tumorigenesis, the dynamic splenic transcriptome of GaHV2-infected chickens during early infection and pathogenic phases has been determined utilizing RNA-seq. Based on the significant differentially expressed genes (DEGs), analysis of gene ontology, KEGG pathway and protein-protein interaction network has demonstrated that the molecular events happening during GaHV2 infection are highly relevant to the disease course...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912397/-combination-therapy-of-immune-checkpoint-inhibitors
#9
Shigehisa Kitano
Recently, monotherapies of immune checkpoint inhibitor have been approved for some malignant tumors such as advanced melanoma, non-small cell lung cancer, renal cell cancer, Hodgkin lymphoma, head and neck cancer in Japan. As the next step, to aim improvement of the clinical benefit, development of combination immunotherapies including immune checkpoint inhibitors are ongoing. In this chapter, recent strategies of clinical development of combination immunotherapy are described.
September 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28910817/the-lung-in-dysregulated-states-of-humoral-immunity
#10
Yurdagül Uzunhan, Florence Jeny, Marianne Kambouchner, Morgane Didier, Diane Bouvry, Hilario Nunes, Jean-François Bernaudin, Dominique Valeyre
In common variable immunodeficiency, lung manifestations are related to different mechanisms: recurrent pneumonias due to encapsulated bacteria responsible for diffuse bronchiectasis, diffuse infiltrative pneumonia with various patterns, and lymphomas, mostly B cell extranodal non-Hodgkin type. The diagnosis relies on significant serum Ig deficiency and the exclusion of any primary or secondary cause. Histopathology may be needed. Immunoglobulin (IgG) replacement is crucial to prevent infections and bronchiectasis...
September 15, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28905118/administration-of-low-dose-combination-anti-ctla4-anti-cd137-and-anti-ox40-into-murine-tumor-or-proximal-to-the-tumor-draining-lymph-node-induces-systemic-tumor-regression
#11
Jonathan P O Hebb, Adriane R Mosley, Felipe Vences-Catalán, Narendiran Rajasekaran, Anna Rosén, Peter Ellmark, Dean W Felsher
The delivery of immunomodulators directly into the tumor potentially harnesses the existing antigen, tumor-specific infiltrating lymphocytes, and antigen presenting cells. This can confer specificity and generate a potent systemic anti-tumor immune response with lower doses and less toxicity compared to systemic administration, in effect an in situ vaccine. Here, we test this concept using the novel combination of immunomodulators anti-CTLA4, -CD137, and -OX40. The triple combination administered intratumorally at low doses to one tumor of a dual tumor mouse model had dramatic local and systemic anti-tumor efficacy in lymphoma (A20) and solid tumor (MC38) models, consistent with an abscopal effect...
September 13, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28902958/nonregenerative-immune-mediated-anemia-associated-with-a-diffuse-large-b-cell-lymphoma-in-a-captive-jaguar-panthera-onca
#12
Monika A Keresztes, Manfred Henrich, Penelope Baloi, Sascha Gerst, Jens-Christian Rudnick, Judith Langenstein, Andreas Moritz, Natali Bauer
An 18-year-old male castrated jaguar (Panthera onca) was presented with anorexia and continuous bleeding from the oral cavity after a history of fighting with the partner animal. Clinical evaluation revealed ulcerating lesions on the gingiva and hard palate and a hematoma on the tongue. Computed tomography of the head and endoscopic examination of the esophagus and stomach were unremarkable. Hematology and clinical chemistry revealed severe nonregenerative anemia, mild thrombocytopenia, and moderate azotemia...
September 13, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28899972/facts-and-hopes-in-immunotherapy-of-lymphoma-and-myeloma
#13
Matthew J Pianko, Alison J Moskowitz, Alexander M Lesokhin
Immune checkpoint blockade has driven a revolution in modern oncology, and robust drug development of immune checkpoint inhibitors is underway in both solid tumors and hematologic malignancies. High response rates to programmed cell death 1 (PD-1) blockade using nivolumab or pembrolizumab in classical Hodgkin lymphoma (cHL) and several variants of non-Hodgkin lymphoma (NHL) revealed an intrinsic biologic sensitivity to this approach, and work is ongoing exploring combinations with immune checkpoint inhibitors in both cHL and NHL...
September 12, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28899515/the-water-extract-of-liuwei-dihuang-possesses-multi-protective-properties-on-neurons-and-muscle-tissue-against-deficiency-of-survival-motor-neuron-protein
#14
Yu-Ting Tseng, Yuh-Jyh Jong, Wei-Fang Liang, Fang-Rong Chang, Yi-Ching Lo
BACKGROUND: Deficiency of survival motor neuron (SMN) protein, which is encoded by the SMN1 and SMN2 genes, induces widespread splicing defects mainly in spinal motor neurons, and leads to spinal muscular atrophy (SMA). Currently, there is no effective treatment for SMA. Liuwei dihuang (LWDH), a traditional Chinese herbal formula, possesses multiple therapeutic benefits against various diseases via modulation of the nervous, immune and endocrine systems. Previously, we demonstrated water extract of LWDH (LWDH-WE) protects dopaminergic neurons and improves motor activity in models of Parkinson's disease...
October 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28895871/type-i-interferons-in-the-pathogenesis-and-treatment-of-canine-diseases
#15
REVIEW
Daniela Klotz, Wolfgang Baumgärtner, Ingo Gerhauser
Type I interferons (IFNs) such as IFN-α, IFN-β, IFN-ε, IFN-κ, and IFN-ω represent cytokines, which are deeply involved in the regulation and activation of innate and adaptive immune responses. They possess strong antiviral, antiproliferative, and immunomodulatory activities allowing their use in the therapy of different viral diseases, neoplasms, and immune-mediated disorders, respectively. Initially, treatment strategies were based on nonspecific inducers of type I IFNs, which were soon replaced by different recombinant proteins...
September 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28893942/kaposi-sarcoma-herpesvirus-pathogenesis
#16
REVIEW
Giuseppe Mariggiò, Sandra Koch, Thomas F Schulz
Kaposi sarcoma herpesvirus (KSHV), taxonomical name human gammaherpesvirus 8, is a phylogenetically old human virus that co-evolved with human populations, but is now only common (seroprevalence greater than 10%) in sub-Saharan Africa, around the Mediterranean Sea, parts of South America and in a few ethnic communities. KSHV causes three human malignancies, Kaposi sarcoma, primary effusion lymphoma, and many cases of the plasmablastic form of multicentric Castleman's disease (MCD) as well as occasional cases of plasmablastic lymphoma arising from MCD; it has also been linked to rare cases of bone marrow failure and hepatitis...
October 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28893733/topological-analysis-reveals-a-pd-l1-associated-microenvironmental-niche-for-reed-sternberg-cells-in-hodgkin-lymphoma
#17
Christopher D Carey, Daniel Gusenleitner, Mikel Lipschitz, Margaretha G M Roemer, Edward C Stack, Evisa Gjini, Xihao Hu, Robert Redd, Gordon J Freeman, Donna Neuberg, F Stephen Hodi, Xiaole Shirley Liu, Margaret A Shipp, Scott J Rodig
Signaling between programmed cell death protein 1 (PD-1) and the programmed cell death -1 ligands (PD-1 ligands, PD-L1, PD-L2) is essential for malignant Hodgkin Reed-Sternberg (HRS) cells to evade anti-tumor immunity in classical Hodgkin lymphoma (cHL). Copy number alterations of 9p24.1/CD274(PD-L1)/PDCD1LG2(PD-L2) contribute to robust PD-L1 and PD-L2 expression by HRS cells. PD-L1 is also expressed by non-malignant tumor-associated macrophages (TAMs) but the relationships between PD-L1+ HRS cells, PD-L1+ TAMs, and PD-1+ T-cells remain undefined...
September 11, 2017: Blood
https://www.readbyqxmd.com/read/28892775/challenges-and-perspectives-in-the-immunotherapy-of-hodgkin-lymphoma
#18
REVIEW
Jean-Marie Michot, Julien Lazarovici, David Ghez, Alina Danu, Christophe Fermé, Amélie Bigorgne, Vincent Ribrag, Aurélien Marabelle, Sandrine Aspeslagh
Hodgkin lymphoma (HL) was one of the first few cancers to be cured first with radiotherapy alone and then with a combination of chemotherapy and radiotherapy. Around 80% of the patients with HL will be cured by first-line therapy. However, the ionising radiation not only produces cytotoxicity but also induces alterations in the microenvironment, and patients often struggle with the long-term consequences of these treatments, such as cardiovascular disorders, lung diseases and secondary malignancies. Hence, it is essential to improve treatments while avoiding delayed side-effects...
September 8, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28892735/expression-of-the-chemokine-receptors-ccr1-and-ccr2b-is-up-regulated-in-peripheral-blood-b-cells-upon-ebv-infection-and-in-established-lymphoblastoid-cell-lines
#19
Irina Kholodnyuk, Zanna Rudevica, Ainars Leonciks, Barbro Ehlin-Henriksson, Elena Kashuba
In immunocompetent individuals, EBV establishes in B cells an asymptomatic lifelong latent infection controlled by the immune system. Chemokine receptors regulate immune system function. CCR1 and CCR2 share protein sequence similarity and exert responses to multiple chemokines. The role of these receptors in B cells is largely unknown. We show that the mRNA and functional protein expression of CCR1 and CCR2 is induced in ex vivo B cells upon EBV infection and in established lymphoblastoid cell lines (LCLs)...
September 8, 2017: Virology
https://www.readbyqxmd.com/read/28892161/a-gene-is-known-by-the-company-it-keeps-enrichment-of%C3%A2-tnfaip3%C3%A2-gene-aberrations-in-malt-lymphomas-expressing-ighv4-34-antigen-receptors
#20
Andreas Agathangelidis, Aliki Xochelli, Kostas Stamatopoulos
Associations between immunoglobulin (IG) receptors with distinctive immunogenetic features and particular gene mutations is a recurring theme in mature B cell lymphomas. Relevant observations have been made in chronic lymphocytic leukemia (CLL), where gene mutations are distributed asymmetrically in cases bearing or not somatic hypermutations within the clonotypic immunoglobulin heavy chain variable region (IGHV) genes (e.g. TP53 mutations predominate in IG-unmutated CLL, whereas the opposite is seen for MYD88 mutations, enriched in IG-mutated CLL) and in subsets of cases with stereotyped IG (enrichment for SF3B1 mutations in CLL subset #2)...
September 11, 2017: Journal of Pathology
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