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https://www.readbyqxmd.com/read/27915968/peripheral-t-cell-lymphoma-a-posttransplant-lymphoproliferative-disorder-presenting-as-a-jejunal-mass-in-a-renal-transplant-recipient
#1
Aanchal Kakkar, Immanuel Pradeep, Geetika Singh, Amit Dinda, Sanjay K Agarwal
Posttransplant lymphoproliferative disorders are a spectrum of lymphoproliferative disorders seen in recipients of solid-organ, bone marrow, and stem cell allografts. They include polyclonal early lesions mimicking infectious mononucleosis and monoclonal proliferations of B and T cells, indistinguishable from lymphomas occurring in immunocompetent individuals. Although most posttransplant lymphoproliferative disorders are B-cell neoplasms, T-cell posttransplant lymphoproliferative disorders are very rare. Among solid-organ transplants, renal allografts have low risk for development of posttransplant lymphoproliferative disorders...
December 2, 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27913510/frontline-therapy-and-role-of-high-dose-consolidation-in-mantle-cell-lymphoma
#2
Simon Rule
Mantle cell lymphoma (MCL) is a rare and aggressive form of non-Hodgkin lymphoma. It is predominantly a disease of older individuals, with a median age at presentation of ∼70 years. For the majority of patients, the management revolves around immuno-chemotherapy often followed by maintenance rituximab, and at relapse, a range of options are available. For the younger patient, it is possible to be more intensive with therapy, consolidate responses with high-dose procedures, and in a few there might be the prospect of a cure...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913499/novel-agents-and-strategies-in-transplant-eligible-patients-with-relapsed-and-refractory-hodgkin-lymphoma
#3
Craig Moskowitz
The majority of patients with Hodgkin lymphoma are cured with frontline therapy; however, 10% to 15% with early-stage disease and 20% to 30% with advanced stage require second-line therapy that includes a potentially curative transplant, of which an additional 50% to 55% are cured. Those with multiply relapsed disease traditionally would receive novel agents on a clinical trial or combination chemotherapy as a potential bridge to an allogeneic stem cell transplant. This treatment paradigm has changed with the availability of brentuximab vedotin, an antibody drug conjugate used pre- and post-ASCT, as well as for palliation...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27911272/foxo4-expression-is-related-to-stem-cell-like-properties-and-resistance-to-treatment-in-diffuse-large-b-cell-lymphoma
#4
Kyung Ju Ryu, Chaehwa Park, Mineui Hong, Young Hyeh Ko, Won Seog Kim, Seok Jin Kim
Cancer stem cells are proposed to be responsible for resistance to chemotherapeutic agents, including doxorubicin. As phenylbutyrate enhances cancer stem cell properties, we analyzed surviving lymphoma cells after treatment with doxorubicin and phenylbutyrate. Human B-cell lymphoma cell lines, including Toledo, BJAB, Daudi, and Raji were incubated with IC90 concentrations of doxorubicin (300 nM) or phenylbutyrate (8 mM). After 48 h, live cells were sorted and analyzed for their resistance to treatment by examining gene expression profiles using cDNA microarray and biological characteristics...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27910801/epidemiologic-and-therapeutic-aspects-of-refractory-coeliac-disease-a-systematic-review
#5
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/27905841/cell-delivered-entry-inhibitors-for-hiv-1-ccr5-downregulation-and-blocking-virus-membrane-fusion-in-defending-the-host-cell-population
#6
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
#7
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/27905003/new-agents-in-hsc-mobilization
#8
REVIEW
Mélanie J Domingues, Susan K Nilsson, Benjamin Cao
Mobilized peripheral blood (PB) is the most common source of hematopoietic stem cells (HSC) for autologous transplantation. Granulocyte colony stimulating factor (G-CSF) is the most commonly used mobilization agent, yet despite its widespread use, a considerable number of patients still fail to mobilize. Recently, a greater understanding of the interactions that regulate HSC homeostasis in the bone marrow (BM) microenvironment has enabled the development of new molecules that mobilize HSC through specific inhibition, modulation or perturbation of these interactions...
November 30, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27904442/granulomatosis-after-autologous-stem-cell-transplantation-in-nonhodgkin-lymphoma-experience-of-single-institution-and-a-review-of-literature
#9
Lucka Boltezar, Ivana Zagar, Barbara Jezersek Novakovic
BACKGROUND: Sarcoidosis before and after treatment of malignancy is an important differential diagnosis that has to be distinguished from lymphoma. PATIENTS AND METHODS: Hodgkin lymphoma, diffuse large B-cell lymphoma and aggressive follicular lymphoma are being staged and treatment effect is evaluated with PET-CT. We report three cases of aggressive lymphoma after high dose therapy and autologous stem cell transplantation with positive lymph nodes on PET-CT, which were histologically diagnosed as sarcoidosis/granulomatosis...
December 1, 2016: Radiology and Oncology
https://www.readbyqxmd.com/read/27904117/successful-cord-blood-stem-cell-transplantation-for-an-adult-case-of-chronic-active-epstein-barr-virus-infection
#10
Masuho Saburi, Masao Ogata, Takako Satou, Natsumi Yoshida, Kentaro Nagamatsu, Yuko Nashimoto, Yui Moroga, Kuniko Takano, Kazuhiro Kohno, Kuniaki Shirao
A 41-year-old man was referred to our hospital for treatment of anaplastic lymphoma kinase (ALK)-negative anaplastic large cell lymphoma. Chronic active Epstein-Barr virus (CAEBV) was diagnosed based on the findings of elevated EBV antibody titers and positive EBV-DNA in the peripheral blood, and cord blood stem cell transplantation (CBT) was performed. The EBV-DNA levels in the blood fell below the limit of detection. His lymphoma relapsed on Day 165 with the appearance of eruptions, which disappeared after the withdrawal of tacrolimus...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27900603/enteropathy-associated-t-cell-lymphoma
#11
REVIEW
Sarah Ondrejka, Deepa Jagadeesh
Enteropathy-associated T-cell lymphoma is a rare neoplasm with uniformly aggressive features that arises from intestinal T-cells. There is strong evidence supporting its association as a dire complication of celiac disease. The clinical presentation can vary from malabsorption and abdominal pain to an acute abdominal emergency. Originally, it was divided into types I and II in World Health Organization (WHO) classification schemes, reflective of epidemiology and differences in clinicopathologic features. The debate over the degree of separation of the two types is ongoing as new data emerges regarding the pathogenetics...
November 29, 2016: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/27900085/id1-upregulation-and-foxo3a-downregulation-by-epstein-barr-virus-encoded-lmp1-in-hodgkin-s-lymphoma
#12
Jun-Ichiro Ikeda, Naoki Wada, Satoshi Nojima, Shinichiro Tahara, Yoko Tsuruta, Kaori Oya, Eiichi Morii
Cancer-initiating cells (CICs) are specialized cells that have the ability to self-renew and are multipotent. We recently demonstrated that Forkhead box O3a (FoxO3a)-expressing cells exhibited a CIC-like potential in Hodgkin's lymphoma (HL). A proportion of HL patients are infected with Epstein-Barr virus (EBV). EBV-encoded latent membrane protein (LMP) 1 downregulates FoxO3a, suggesting that FoxO3a expression may be abolished in EBV-positive HL. Inhibitors of DNA-binding (ID) proteins are highly conserved transcription factors mediating stem cell functions...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27894122/b-cell-lymphoma-2-modified-bone-marrow-derived-mesenchymal-stem-cells-transplantation-for-the-treatment-of-diabetes-mellitus-induced-erectile-dysfunction-in-a-rat-model
#13
Xiang Sun, Long-Hua Luo, Liang Feng, Dong-Shui Li, Ke-Zhao Zhong
OBJECTIVE: The study aimed to explore the effects of B cell lymphoma-2 (Bcl-2)-modified bone marrow-derived mesenchymal stem cells (BMSCs) transplantation for the treatment of diabetes mellitus-induced erectile dysfunction (DMED) in a rat model. METHODS: The DMED rat model was successfully established. Thirty-six DMED rats were assigned into the Bcl-2-BMSCs, null-BMSCs, BMSCs and phosphate buffered saline (PBS) groups. Meanwhile, 9 normal rats injected with PBS were taken as the normal control group...
November 29, 2016: Urologia Internationalis
https://www.readbyqxmd.com/read/27892946/first-line-escalated-beacopp-does-not-hinder-stem-cell-collection-and-transplantation-strategy-in-patients-with-relapsed-refractory-hodgkin-s-lymphoma
#14
D Ghez, C Fortpied, N Mounier, P Carde, A Perrot, H Khaled, S Amorim, S Ramadan, F L Bras, M Erlanson, C Herbaux, J-P Marolleau, E Nicolas-Virelezier, O Casasnovas, A Stamatoullas-Bastard, C Fermé
No abstract text is available yet for this article.
November 28, 2016: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/27890707/novel-mutation-in-dock8-hies-with-severe-phenotype-and-successful-transplantation
#15
Latifa Al Shekaili, Farrukh Sheikh, Sulaiman Al Gazlan, Hasan Al Dhekri, Hamoud Al Mousa, Abdulaziz Al Ghonaium, Bander Al Saud, Saleh Al Mohsen, Agha M Rehan Khaliq, Safiah Al Sumayli, Mufarreh Al Zahrani, Anas Dababo, Ammar AlKawi, Abbas Hawwari, Rand Arnaout
BACKGROUND: Hyper-IgE syndrome (HIES) due to DOCK8 deficiency is an autosomal recessive (AR) primary combined immunodeficiency which results in significant morbidity and mortality at a young age. Different mutations in the DOCK8 gene can lead to variable severity of the disease. OBJECTIVE: We evaluated the genetic mutations in three related patients with severe clinical manifestations suggestive of AR HIES. We also explored whether treatment with stem cell transplantation could lead to complete disease resolution...
November 23, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27888875/management-of-relapsed-diffuse-large-b-cell-lymphoma
#16
REVIEW
Michael Crump
Second-line therapy options for patients with diffuse large B-cell lymphoma (DLBCL) that is refractory to, or relapses after, current rituximab-containing primary therapy continue to evolve. For younger patients, salvage therapy followed by intensive therapy and autologous stem cell transplant (ASCT) remains the treatment of choice for those with chemotherapy-sensitive disease. Combination therapy may be used for those who are not candidates for ASCT. In contrast, patients with DLBCL refractory to 2 lines of therapy have a very poor prognosis and generally short survival, and should be carefully considered for participation in clinical trials of novel approaches...
December 2016: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/27884092/a-retrospective-analysis-of-outcomes-for-primary-mediastinal-large-b-cell-lymphoma-treated-with-rchop-followed-by-radiotherapy-or-front-line-autologous-stem-cell-transplantation
#17
Xiaojian Liu, Ting Deng, Xianzhi Guo, Ye Guo, Leiping Wang, Jian Zhang, Zuguang Xia, Quanling Zhang, Kai Xue, Junning Cao, Jumei Shi, Xiaonan Hong
OBJECTIVES: Our aim was to retrospectively investigate the data from our institute the response rate and outcome in patients with primary mediastinal B-cell lymphoma (PMBL) who received the rituximab in combination with CHOP (RCHOP) followed by autologous stem cell transplantation (ASCT) or RCHOP followed by involved field radiation therapy (IFRT). METHODS: Sixty five patients with PMBL received RCHOP as first-line chemotherapy between January 2005 and December 2010...
November 25, 2016: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/27882149/combination-of-endogenous-neural-stem-cell-mobilization-and-lithium-chloride-treatment-for-hydrocephalus-following-intraventricular-hemorrhage
#18
Qiang Yuan, Xing-Yao Bu, Zhao-Yue Yan, Xian-Zhi Liu, Zhen-Yu Wei, Chun-Xiao Ma, Ming-Qi Qu
As there are multiple factors causing hydrocephalus subsequent to intraventricular hemorrhage (IVH), it is difficult to achieve the best treatment effect using a single drug alone. In the present study, the protective effect of combination treatment with granulocyte-colony stimulating factor (G-CSF) and lithium chloride against hydrocephalus after IVH was investigated. A total of 130 adult male Sprague-Dawley rats were divided into five groups, including the IVH control, G-CSF treatment, lithium chloride treatment, combination treatment and sham surgery groups...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27881581/nivolumab-in-the-treatment-of-hodgkin-lymphoma
#19
Stephen M Ansell
Despite an extensive immune infiltrate that is recruited to the tumor by malignant Reed Sternberg cells in Hodgkin lymphoma, the antitumor immune response is ineffective and unable to eradicate the malignant cells. The ineffective immune response is in part due to PD-1 signaling that renders intratumoral immune cells anergic. Reed Sternberg cells have been shown to upregulate expression of the PD-1 ligands, PD-L1 and PD-L2, due to either genetic alterations at chromosome 9p24.1 or Epstein Barr virus infection, and these ligands suppress the function of PD-1+ intratumoral T-cells...
November 23, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27871274/chemotherapy-curable-malignancies-and-cancer-stem-cells-a-biological-review-and-hypothesis
#20
Philip Savage
BACKGROUND: Cytotoxic chemotherapy brings routine cures to only a small select group of metastatic malignancies comprising gestational trophoblast tumours, germ cell tumours, acute leukemia, Hodgkin's disease, high grade lymphomas and some of the rare childhood malignancies. We have previously postulated that the extreme sensitivity to chemotherapy for these malignancies is linked to the on-going high levels of apoptotic sensitivity that is naturally linked with the unique genetic events of nuclear fusion, meiosis, VDJ recombination, somatic hypermutation, and gastrulation that have occurred within the cells of origin of these malignancies...
November 21, 2016: BMC Cancer
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