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https://www.readbyqxmd.com/read/28430817/kaposi-sarcoma-herpesvirus-kshv-latency-associated-nuclear-antigen-lana-recruits-components-of-the-mrn-mre11-rad50-nbs1-repair-complex-to-modulate-an-innate-immune-signaling-pathway-and-viral-latency
#1
Giuseppe Mariggiò, Sandra Koch, Guigen Zhang, Magdalena Weidner-Glunde, Jessica Rückert, Semra Kati, Susann Santag, Thomas F Schulz
Kaposi Sarcoma Herpesvirus (KSHV), a γ2-herpesvirus and class 1 carcinogen, is responsible for at least three human malignancies: Kaposi Sarcoma (KS), Primary Effusion Lymphoma (PEL) and Multicentric Castleman's Disease (MCD). Its major nuclear latency protein, LANA, is indispensable for the maintenance and replication of latent viral DNA in infected cells. Although LANA is mainly a nuclear protein, cytoplasmic isoforms of LANA exist and can act as antagonists of the cytoplasmic DNA sensor, cGAS. Here, we show that cytosolic LANA also recruits members of the MRN (Mre11-Rad50-NBS1) repair complex in the cytosol and thereby inhibits their recently reported role in the sensing of cytoplasmic DNA and activation of the NF-κB pathway...
April 21, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28408420/hiv-multicentric-castleman-rituximab-sans-maintenance
#2
Ariela Noy
No abstract text is available yet for this article.
April 13, 2017: Blood
https://www.readbyqxmd.com/read/28403848/laparoscopic-treatment-of-abdominal-unicentric-castleman-s-disease-a-case-report-and-literature-review
#3
Umberto Bracale, Francesco Pacelli, Marco Milone, Umberto Marcello Bracale, Maurizio Sodo, Giovanni Merola, Teresa Troiani, Enrico Di Salvo
BACKGROUND: Castleman's disease is a rare lymphoproliferative disorder of unknown etiology that most commonly presents as a mediastinal nodal mass. It is exceptionally uncommon for Castleman's disease to present in the mesentery and, only 53 cases have ever been described in the literature. Standard treatment for this lymphoproliferative disorder involving a single node is a complete "en bloc" surgical resection which has proven to be a curative approach in almost all cases without recurrence after 20 years of follow up...
April 12, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28401573/is-tocilizumab-a-potential-therapeutic-option-for-refractory-unicentric-castleman-disease
#4
Muhammad Bilal Abid, Rachel Peck, Muhammad Abbas Abid, Wesam Al-Sakkaf, Yuening Zhang, Giles S Dunnill, Konrad Staines, Iara-Maria Sequeiros, Lisa Lowry
Castleman disease is a rare lymphoproliferative disorder with 2 distinctly defined clinical forms. While multicentric Castleman disease (UCD) poses a potential therapeutic challenge, unicentric variant has historically been considered curable with surgical resection. Hence, little is known to guide management of patients with UCD, refractory to surgical resection and combination chemotherapy. We present a case of a patient, negative for HIV and HHV-8, who had an unsuccessful surgical intervention and no response to radiotherapy and chemotherapy...
April 11, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28397326/diagnosis-and-management-of-neuropathies-associated-with-plasma-cell-dyscrasias
#5
REVIEW
Evan Rosenbaum, Douglas Marks, Shahzad Raza
Neuropathies associated with plasma cell dyscrasias are a major cause of morbidity for patients managed by medical oncologists. Because of similarities in clinical presentation and on nerve conduction studies, identifying the underlying disease leading to a paraproteinemic neuropathy can often be difficult. In addition, the degree of neurologic deficit does not strictly correlate with the extent of abnormalities on common clinical laboratory testing. Fortunately, with increasing understanding into the biologic mechanisms of underlying hematologic diseases, additional biomarkers have recently been developed, thus improving our diagnostic capacity...
April 10, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28395104/hhv8-kshv-positive-lymphoproliferative-disorders-and-the-spectrum-of-plasmablastic-and-plasma-cell-neoplasms-2015-sh-eahp-workshop-report-part-3
#6
Amy Chadburn, Jonathan Said, Dita Gratzinger, John K C Chan, Daphne de Jong, Elaine S Jaffe, Yasodha Natkunam, John R Goodlad
Objectives: The 2015 Workshop of the Society for Hematopathology/European Association for Haematopathology aimed to review immunodeficiency-related lymphoproliferative disorders with plasmablastic and plasma cell differentiation. Methods: The workshop panel reviewed human herpes virus 8 (HHV8)/Kaposi sarcoma herpesvirus (KSHV)-associated lesions and other lesions exhibiting plasma cell differentiation, including plasmablastic proliferations with features of myeloma/plasmacytoma, plasmablastic neoplasms presenting in extranodal sites and effusion-based lymphomas, and rendered a consensus diagnosis...
February 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28382648/characteristics-management-and-outcomes-of-patients-with-follicular-dendritic-cell-sarcoma
#7
Preetesh Jain, Sarah A Milgrom, Keyur P Patel, Loretta Nastoupil, Luis Fayad, Michael Wang, Chelsea C Pinnix, Bouthaina S Dabaja, Grace L Smith, Jun Yu, Shimin Hu, Carlos E Bueso Ramos, Rashmi Kanagal-Shamanna, L Jeffrey Medeiros, Yasuhiro Oki, Nathan Fowler
Dendritic cell sarcomas are rare tumours of antigen presenting cells. Data regarding their biology, management and outcomes are sparse. We analysed 66 patients with follicular dendritic cell sarcoma (FDCS). Six patients also had Castleman disease, 9 had another malignancy and 13 had an autoimmune disease. Fifty-four per cent of patients presented with localized disease and 46% with systemic involvement. The median progression-free (PFS) and overall survival (OS) following frontline therapy was 21 and 50 months, respectively...
April 6, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28367597/salvage-therapy-with-lenalidomide-containing-regimen-for-relapsed-refractory-castleman-disease-a-report-of-three-cases
#8
Xinping Zhou, Juying Wei, Yinjun Lou, Gaixiang Xu, Min Yang, Hui Liu, Liping Mao, Hongyan Tong, Jie Jin
Castleman disease (CD) is uncommon non-clonal lymphoproliferative disorder with unknown etiology. No standard therapy is recommended for relapsed/refractory CD patients, thus requiring development of novel experimental approaches. Our cohort of three adult patients with multicentric CD (MCD) were treated with refractory to traditional chemotherapy lenalidomide-containing regimens (10-25 mg lenalidomide perorally administered on days 1-21 in 28-day cycle) as second- to fourth-line treatment. Partial remission was achieved in first plasma-cell CD patient, who relapsed seven months after autologous hematopoietic stem cell transplantation and then failed to respond to four cycles of chemotherapy...
April 3, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28367488/atypical-laboratory-presentation-of-paraneoplastic-pemphigus-associated-with-castleman-disease
#9
Sarah Lonowski, Hayley Goldbach, Vanessa Holland
No abstract text is available yet for this article.
March 2017: JAAD Case Reports
https://www.readbyqxmd.com/read/28360475/intrathoracic-castleman-s-disease-an-important-clinical-mimicker
#10
Rajendra Prasad Takhar
No abstract text is available yet for this article.
March 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28352636/unicentric-castleman-s-disease-associated-with-end-stage-renal-disease-caused-by-amyloidosis
#11
Eray Eroglu, Ismail Kocyigit, Aydin Unal, Murat Hayri Sipahioglu, Hulya Akgun, Leylagul Kaynar, Bulent Tokgoz, Oktay Oymak
Castleman's disease (CD), also known as angiofolicular lymph node hyperplasia, is a rare heterogenous group of lymphoproliferative disorders. Histologically, it can be classified as hyaline vascular type, plasma cell type, or mixed type. Clinically two different subtypes of the CD are present: Unicentric and multicentric. Unicentric CD is generally asymptomatic and associated with hyaline vascular type, and its diagnoses depend on the localized lymphadenopathy on examination or imaging studies. However, multicentric CD presents with generalized lymphadenopathy and systemic symptoms including malaise, fever, night sweats, weight loss, and it is associated with the plasma cell type and mix type...
March 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28336944/kaposi-s-sarcoma-associated-herpesvirus-orf34-is-essential-for-late-gene-expression-and-virus-production
#12
Mayu Nishimura, Tadashi Watanabe, Syota Yagi, Takahiro Yamanaka, Masahiro Fujimuro
Kaposi's sarcoma-associated herpesvirus (KSHV) is the causative agent of Kaposi's sarcoma, primary effusion lymphoma, and multicentric Castleman's disease. KSHV establishes a life-long infection in its host and alternates between a latent and lytic infection state. During lytic infection, lytic-related genes are expressed in a temporal manner and categorized as immediate early, early, and late gene transcripts. ORF34 is an early-late gene that interacts with several viral transcription-associated factors, however its physiological importance remains poorly understood...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336728/unraveling-castleman-progress-in-a-complex-process
#13
Kieron Dunleavy
No abstract text is available yet for this article.
March 23, 2017: Blood
https://www.readbyqxmd.com/read/28336727/multicentric-castleman-disease-consensus-at-last
#14
Jonathan Said
No abstract text is available yet for this article.
March 23, 2017: Blood
https://www.readbyqxmd.com/read/28321096/a-reference-guide-for-management-of-castleman-disease
#15
Kazuyuki Yoshizaki
No abstract text is available yet for this article.
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28317327/a-research-agenda-for-moving-early-medical-pregnancy-termination-over-the-counter
#16
REVIEW
Nathalie Kapp, Daniel Grossman, Emily Jackson, Laura Castleman, Dalia Brahmi
Given the overall safety profile and increasing availability of medical pregnancy termination drugs, we asked: would the mifepristone-misoprostol regimen for medical termination at ≤10 weeks gestation meet U.S. FDA regulatory criteria for over-the-counter (OTC) approval, and if not, what are the present research gaps? We conducted a literature review of consumer behaviors necessary for a successful OTC application for medical termination ≤10 weeks and identified crucial research gaps. If we were to embark on a development program for OTC or more generally, self-use of medical termination, the critical elements missing are the label comprehension, self -selection and actual use studies...
March 19, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28299525/poems-syndrome-an-enigma
#17
REVIEW
Rahma Warsame, Uday Yanamandra, Prashant Kapoor
POEMS syndrome is a paraneoplastic disorder secondary to an underlying plasma cell dyscrasia. By definition, all patients with POEMS syndrome must display polyneuropathy and monoclonal plasma cell disorder. In addition, at least one major criterion (Castleman's disease, sclerotic bone lesions, or vascular endothelial growth factor elevation) and one minor criterion (organomegaly, extravascular volume overload, endocrinopathy, skin changes, papilledema, thrombocytosis, or polycythemia) are required for diagnosis...
March 15, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28298613/correction-trim17-contributes-to-autophagy-of-midbodies-while-actively-sparing-other-targets-from-degradation
#18
Michael A Mandell, Ashish Jain, Suresh Kumar, Moriah J Castleman, Tahira Anwar, Eeva-Liisa Eskelinen, Terje Johansen, Rytis Prekeris, Vojo Deretic
No abstract text is available yet for this article.
March 15, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28291506/immunotactoid-glomerulopathy-leading-to-the-discovery-of-poems-syndrome%C3%A2
#19
Carole Philipponnet, Jean-Louis Kemeny, Cyril Garrouste, Martin Soubrier, Anne-Elisabeth Heng
Monoclonal gammopathy of renal significance (MGRS) can manifest in many different ways depending on the nature of the immunoglobulin and its physicochemical properties. MGRS can lead to the discovery of a hematological malignancy. We report the case of a 32-year-old female patient who underwent renal biopsy on account of an impure nephrotic syndrome associated with immunoglobulin (Ig)G κ monoclonal gammopathy. Histological analysis revealed membranoproliferative glomerulonephritis with IgG, IgM, κ, λ, and C3 deposits...
March 14, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28284028/modulation-of-oncogenic-signaling-networks-by-kaposi-s-sarcoma-associated-herpesvirus
#20
REVIEW
Jason P Wong, Blossom Damania
Kaposi's sarcoma-associated herpesvirus (KSHV) is the etiological agent of three human malignancies: Kaposi's sarcoma, primary effusion lymphoma, and multicentric Castleman's disease. To persist and replicate within host cells, KSHV encodes proteins that modulate different signaling pathways. Manipulation of cell survival and proliferative networks by KSHV can promote the development of KSHV-associated malignancies. In this review, we discuss recent updates on KSHV pathogenesis and the viral life cycle. We focus on proteins encoded by KSHV that modulate the phosphatidylinositol-4,5-bisphosphate 3 kinase and extracellular signal-regulated kinases 1/2 pathways to create an environment favorable for viral replication and the development of KSHV malignancies...
April 21, 2017: Biological Chemistry
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