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https://www.readbyqxmd.com/read/28797780/clinical-practice-recommendations-on-indication-and-timing-of-hematopoietic-cell-transplantation-in-mature-t-cell-and-nk-t-cell-lymphomas-an-international-collaborative-effort-on-behalf-of-the-guidelines-committee-of-the-american-society-for-blood-and-marrow
#1
Mohamed A Kharfan-Dabaja, Ambuj Kumar, Ernesto Ayala, Mehdi Hamadani, Peter Reimer, Christian Gisselbrecht, Francesco d'Amore, Esa Jantunen, Takashi Ishida, Ali Bazarbachi, Francine Foss, Ranjana Advani, Timothy S Fenske, Hillard M Lazarus, Jonathan W Friedberg, Mahmoud Aljurf, Lubomir Sokol, Kensei Tobinai, Eric Tse, Linda J Burns, Julio C Chavez, Nishitha M Reddy, Ritsuro Suzuki, Sairah Ahmed, Auayporn Nademanee, Mohamad Mohty, Ajay K Gopal, Michelle A Fanale, Barbara Pro, Alison J Moskowitz, Anna Sureda, Miguel Angel Perales, Paul A Carpenter, Bipin N Savani
Recognizing the significant biologic and clinical heterogeneity of mature T-cell and NK/T-cell lymphomas, the American Society for Blood and Marrow Transplantation invited experts to develop clinical practice recommendations related to the role of auto-HCT and allo-HCT for specific histologic subtypes. We used the GRADE methodology to assist in moving from evidence to decision-making and ultimately generating final recommendations. Auto-HCT in front-line consolidation is recommended in PTCL-NOS, AITL, ALCL-ALK negative, NK/T-cell (disseminated), EATL and hepatosplenic lymphomas...
August 7, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28731999/-duodenal-linphoma-asociated-to-strongyloides-stercoralis-infection-two-types-of-htlv-1-infection
#2
Julissa Guevara Miranda, Patricia Guzmán Rojas, Jorge Espinoza-Ríos, Fernando Mejía Cordero
Infection by the Human T- Lymphotropic virus I (HTLV-1) causes Adult T cell Leukemia-lymphoma (ATLL), being the duodenal involvement rare. Commonly, patients co-infected with HTLV-1 and Strongyloides stercoralis are seen due to the lack of TH2 response found on these patients. We describe a 48-year- old woman, from the jungle of Peru, with a family history of HTLV-1 infection, who presented with a History of chronic diarrhea and weight loss. HTLV-1 infection with ATLL and strongyloidiasis were diagnosed. Ivermectin treatment and chemotherapy were initiated, being stabilized, and discharged...
April 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/28698846/evaluation-of-the-role-of-tax-hbz-and-htlv-1-proviral-load-on-the-survival-of-atll-patients
#3
Mohammad Mehdi Akbarin, Abbas Shirdel, Alireza Bari, Seyedeh Tahereh Mohaddes, Houshang Rafatpanah, Ehsan Ghayour Karimani, Kobra Etminani, Amin Golabpour, Reza Torshizi
BACKGROUND: Adult T-cell leukemia/lymphoma (ATLL) is an aggressive malignancy with very poor prognosis and short survival, caused by the human T-lymphotropic virus type-1 (HTLV-1). The HTLV-1 biomarkers trans-activator x (TAX) and HTLV-1 basic leucine zipper factor (HBZ) are main oncogenes and life-threatening elements. This study aimed to assess the role of the TAX and HBZ genes and HTLV-1 proviral load (PVL) in the survival of patients with ATLL. METHODS: Forty-three HTLV-1-infected individuals, including 18 asymptomatic carriers (AC) and 25 ATLL patients (ATLL), were evaluated between 2011 and 2015...
June 2017: Blood Research
https://www.readbyqxmd.com/read/28669733/bcl11b-is-frequently-downregulated-in-htlv-1-infected-t-cells-through-tax-mediated-proteasomal-degradation
#4
Happy Kurnia Permatasari, Shingo Nakahata, Tomonaga Ichikawa, Kazuhiro Morishita
Human T-cell leukemia virus type 1 (HTLV-1) is a causative agent of adult T-cell leukemia-lymphoma (ATLL). The HTLV-1-encoded protein Tax plays important roles in the proliferation of HTLV-1-infected T-cells by affecting cellular proteins. In this study, we showed that Tax transcriptionally and post-transcriptionally downregulates the expression of the tumor suppressor gene B-cell leukemia/lymphoma 11B (BCL11B), which encodes a lymphoid-related transcription factor. BCL11B expression was downregulated in HTLV-1-infected T-cell lines at the mRNA and protein levels, and forced expression of BCL11B suppressed the proliferation of these cells...
August 26, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28651832/htlv-1-infection-in-reunion
#5
G Hoarau, B A Gaüzère, H Renard, P Aubry
OBJECTIVES: Although regularly looked for in blood donors, HTLV infections are very rare in Reunion. We aimed to describe HTLV infections locally. PATIENTS AND METHODS: HTLV infections were identified from the database of the Reunion University Hospital administrative database (PMSI) between 2000 and 2016. Diagnosis was performed with HTLV 1/2 enzyme immunoassay test and confirmed by Western blot. RESULTS: We reported three asymptomatic and four symptomatic HTLV infections, including two tropical spastic paraparesis/HTLV-1 associated myelopathies (TSP/HAM) and two adult T-cell leukemia/lymphoma (ATLL), diagnosed between 2000 and 2016...
June 23, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28631636/profiling-of-peripheral-t-cell-lymphomas-in-kerala-south-india-a-5-year-study
#6
Rekha A Nair, Jayasudha Arundhathi Vasudevan, Priya Mary Jacob, Renu Sukumaran
BACKGROUND: Peripheral T-cell lymphomas (PTCLs) are non-Hodgkin's lymphomas (NHLs) with considerable variation in incidence across the world. They show a wide variety of clinicopathological features and generally associated with poor clinical outcome. Lymphoma data from different geographic regions will definitely aid in routine clinical practice and research work. PTCLs are reported with a higher frequency in Asia as compared to Western countries. OBJECTIVE: The objective of this study was to analyze the frequency and distribution of PTCLs diagnosed in a tertiary care cancer center in Kerala...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28599462/detection-of-tax-specific-ctls-in-lymph-nodes-of-adult-t-cell-leukemia-lymphoma-patients-and-its-association-with-foxp3-positivity-of-regulatory-t-cell-function
#7
Ayako Ichikawa, Hiroaki Miyoshi, Fumiko Arakawa, Junichi Kiyasu, Kensaku Sato, Daisuke Niino, Yoshizo Kimura, Maki Yoshida, Riko Kawano, Hiroko Muta, Yasuo Sugita, Koichi Ohshima
Human T-cell lymphotropic virus type (HTLV)-1 Tax is a viral protein that has been reported to be important in the proliferation of adult T-cell leukemia/lymphoma (ATLL) cells and to be a target of HTLV-1-specific cytotoxic T lymphocytes (CTLs). However, it is not clear how Tax-specific CTLs behave in lymph nodes of ATLL patients. The present study analyzed the immunostaining of Tax-specific CTLs. Furthermore, ATLL tumor cells are known to be positive for forkhead box P3 (Foxp3)and to have a regulatory T (Treg)-cell-like function...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28586006/butein-inhibits-nf-%C3%AE%C2%BAb-ap-1-and-akt-activation-in-adult-t-cell-leukemia-lymphoma
#8
Chie Ishikawa, Masachika Senba, Naoki Mori
Human T-cell leukemia virus type 1 (HTLV-1) is the causative agent of adult T-cell leukemia/lymphoma (ATLL) but there is no effective treatment for HTLV-1-associated diseases. Herein, we determined the effect of butein, a bioactive plant polyphenol, on cell growth, apoptosis and signaling pathways in HTLV-1-infected T-cell lines and on tumor growth in SCID mice. Treatment with butein caused a decrease in viability of HTLV-1-infected T-cell lines. T cells cultured with butein showed obvious apoptosis morphology, and cleavage of poly(ADP-ribose) polymerase with activation of caspase-3, -8 and -9...
June 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28559645/comorbidity-between-htlv-1-associated-adult-t-cell-lymphoma-leukemia-and-verrucous-carcinoma-a-case-report
#9
Miller Valencia, Luis Moreno
BACKGROUND: Adult T-cell Leukemia/Lymphoma (ATLL) is classified as a peripheral CD4+ T-cell neoplasm caused by the human T-cell lymphotropic virus type 1 (HTLV-1). Typical symptoms are associated with leukemic infiltration; however, atypical and exaggerated manifestations of verrucous carcinoma have also been described. CASE REPORT: We present here the case of a patient with multiple skin lesions, ischemic necrosis in the hallux and lymphadenopathies. Biopsies were taken, which showed verrucous epidermal carcinoma and cutaneous lymphoma...
March 30, 2017: Colombia Médica: CM
https://www.readbyqxmd.com/read/28498285/c-myc-and-its-main-ubiquitin-ligase-fbxw7-influence-cell-proliferation-and-prognosis-in-adult-t-cell-leukemia-lymphoma
#10
Yasuhito Mihashi, Mikio Mizoguchi, Yasushi Takamatsu, Kenji Ishitsuka, Hiromi Iwasaki, Monji Koga, Kazunori Urabe, Seiya Momosaki, Toshifumi Sakata, Fumiaki Kiyomi, Morishige Takeshita
Smoldering-type and chronic-type adult T-cell leukemia/lymphomas (ATLL) patients have relatively indolent clinical courses, but often progress into aggressive lymphoma-type and acute-type disease. We examined the roles of transcription factor C-MYC and its ubiquitin ligase FBXW7 in tumor tissues from 137 patients with ATLL. Immunohistochemical tests showed ≥50% of lymphoma cells in 78.7% (48/61) of lymphoma-type, and 64.9% (24/37) of acute-type samples expressed C-MYC, significantly higher than was seen in smoldering-type (3...
August 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28466382/assessment-of-htlv-1-proviral-load-lat-bim-c-fos-and-rad51-gene-expression-in-adult-t-cell-leukemia-lymphoma
#11
Samaneh Ramezani, Abbas Shirdel, Houshang Rafatpanah, Mohammad Mehdi Akbarin, Hanieh Tarokhian, Hossein Rahimi, Alireza Bari, Hamid Reza Jahantigh, Seyed Abdolrahim Rezaee
Adult T cell leukemia/lymphoma (ATLL) is a life-threatening malignancy of HTLV-1 infected Th lymphocytes. In the present study host-virus interactions were investigated by assessment of HTLV-1 proviral load (PVL) and host gene expression. A cross-sectional study was carried out on 18 ATLL, 10 HAM/TSP patients and 18 HTLV-1 asymptomatic carriers (ACs). DNA and mRNA of the peripheral blood mononuclear cells were extracted for PVL and LAT, BIM, c-FOS and RAD51 gene expression measurement using qRT-PCR. The mean PVL in ATLL patients was 11,430 ± 3770 copies/10(4) which was statistically higher than ACs, 530 ± 119 copies/10(4), (p < 0...
August 2017: Medical Microbiology and Immunology
https://www.readbyqxmd.com/read/28426803/dendritic-cell-maturation-but-not-type-i-interferon-exposure-restricts-infection-by-htlv-1-and-viral-transmission-to-t-cells
#12
Gergès Rizkallah, Sandrine Alais, Nicolas Futsch, Yuetsu Tanaka, Chloé Journo, Renaud Mahieux, Hélène Dutartre
Human T lymphotropic Virus type 1 (HTLV-1) is the etiological agent of Adult T cell Leukemia/Lymphoma (ATLL) and HTLV-1-Associated Myelopathy/Tropical Spastic Paraparesis (HAM/TSP). Both CD4+ T-cells and dendritic cells (DCs) infected with HTLV-1 are found in peripheral blood from HTLV-1 carriers. We previously demonstrated that monocyte-derived IL-4 DCs are more susceptible to HTLV-1 infection than autologous primary T-cells, suggesting that DC infection precedes T-cell infection. However, during blood transmission, breast-feeding or sexual transmission, HTLV-1 may encounter different DC subsets present in the blood, the intestinal or genital mucosa respectively...
April 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28420814/cell-adhesion-molecule-1-cadm1-expressed-on-adult-t-cell-leukemia-lymphoma-cells-is-not-involved-in-the-interaction-with-macrophages
#13
Yoshihiro Komohara, Chaoya Ma, Hiromu Yano, Cheng Pan, Hasita Horlad, Yoichi Saito, Koji Ohnishi, Yukio Fujiwara, Yutaka Okuno, Kisato Nosaka, Shunsuke Shimosaki, Kazuhiro Morishita, Masao Matsuoka, Tomohiko Wakayama, Motohiro Takeya
Cell adhesion molecule 1 (CADM1) is a cell adhesion molecule that is expressed in brain, liver, lung, testis, and some kinds of cancer cells including adult T-cell leukemia/lymphoma (ATLL). Recent studies have indicated the involvement of CADM1 in cell-cell contact between cytotoxic T-lymphocytes and virus infected cells. We previously reported that cell-cell interaction between lymphoma cells and macrophages induces lymphoma cell proliferation. In the present study, we investigated whether CADM1 is associated with cell-cell interaction between several human lymphoma cell lines and macrophages...
April 18, 2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28420813/establishment-of-cell-lines-from-adult-t-cell-leukemia-cells-dependent-on-negatively-charged-polymers
#14
Yoshitoyo Kagami, Susumu Uchiyama, Harumi Kato, Yasutaka Okada, Masao Seto, Tomohiro Kinoshita
Growing adult T-cell leukemia/lymphoma (ATLL) cells in vitro is difficult. Here, we examined the effects of static electricity in the culture medium on the proliferation of ATLL cells. Six out of 10 ATLL cells did not proliferate in vitro and thus had to be cultured in a medium containing negatively charged polymers. In the presence of poly-γ-glutamic acid (PGA) or chondroitin sulfate (CDR), cell lines (HKOX3-PGA, HKOX3-CDR) were established from the same single ATLL case using interleukin (IL)-2, IL-4, and feeder cells expressing OX40L (OX40L(+)HK)...
April 18, 2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28340877/adult-t-cell-leukemia-lymphoma-a-problem-abroad-and-at-home
#15
REVIEW
Christopher Dittus, J Mark Sloan
Adult T-cell leukemia/lymphoma (ATLL) is a rare T-cell disorder that is etiologically linked to chronic infection with human T-cell lymphotropic virus type 1. ATLL is divided into four subtypes: acute, lymphomatous, chronic, and smoldering. The acute and lymphomatous variants are often described clinically as the aggressive types of ATLL. Treatment strategies traditionally have focused on antiviral therapy with zidovudine and interferon-alpha and combination chemotherapy. Novel therapeutic approaches include the use of monoclonal antibodies, anti-CCR4 therapy, immunomodulatory therapy, and anti-TAX vaccines...
April 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/28329538/primary-cutaneous-smoldering-adult-t-cell-leukemia-lymphoma
#16
Julia Gittler, Kathryn Martires, Vitaly Terushkin, Nooshin Brinster, David Ramsay
HTLV-1 is a virus that is endemic in southwesternJapan and the Caribbean and has been implicatedin the development of ATLL. ATLL, which is anuncommon malignant condition of peripheralT-lymphocytes, is characterized by four clinicalsubtypes, which include acute, lymphomatous,chronic, and smoldering types, that are based onLDH levels, calcium levels, and extent of organinvolvement. We present a 52-year- old woman withpruritic patches with scale on the buttocks and withtender, hyperpigmented macules and papules oftwo-years duration...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28321034/galectin-9-as-a-predictive-marker-for-the-onset-of-immune-related-adverse-effects-associated-with-anti-ccr4-moab-therapy-in-patients-with-adult-t-cell-leukemia
#17
Tareg Omer Mohammed, Haorile Chagan-Yasutan, Yugo Ashino, Wakana Nakayama, Yayoi Takahashi, Taizo Shimomura, Tetsuhiro Fujimoto, Yuko Watanabe, Toshiro Niki, Hitoshi Suzushima, Toshio Hattori
Adult T-cell leukemia/lymphoma (ATL/ATLL) is one of the most malignant lymphomas with poor prognosis. ATL/ATLL cells express CC chemokine receptor 4, and mogamulizumab (anti-CCR4 monoclonal antibody) exhibits strong cytotoxicity for ATL/ATLL cells. We analyzed plasma samples of 6 patients with ATL/ATLL treated with chemotherapy followed by mogamulizumab therapy (mogatherapy) for changes in the levels of biomarkers in relation to immune-related adverse effects. As treatment is often associated with skin eruptions, we investigated the profiles of inflammatory cytokines, including galectin-9 (Gal-9), which becomes increased in various infectious diseases and allergic patients...
March 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28251608/adult-t-cell-leukemia-lymphoma-in-a-peruvian-hospital-in-human-t-lymphotropic-virus-type-1-htlv-1-positive-patients
#18
Milton José Max Rodríguez-Zúñiga, Florencio Cortez-Franco, Eberth Qujiano-Gomero
BACKGROUND: Adult T-cell leukemia/lymphoma (ATLL) is an aggressive neoplasm of T-lymphocytes associated with human T-lymphotropic virus type I (HTLV-1) infection. As HTLV-1 is endemic in native ethnics in South America, and its infection leads to several chronic diseases as ATLL with poor prognosis, we aimed to present three ATLL cases and to review current literature. CASE REPORTS: Two cases were from the mountains of Peru, while one was from an endemic harbor of the country...
March 2, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28214593/jak-stat-pathway-directed-therapy-of-t-cell-leukemia-lymphoma-inspired-by-functional-and-structural-genomics
#19
REVIEW
Thomas A Waldmann
Abnormal activation of the γc cytokine JAK/STAT signaling pathway assessed by STAT3 or STAT5b phosphorylation was present in a proportion of many T-cell malignancies. Activating mutations of STAT3/STAT5b and JAK1/3 were present in some but not in all cases with constitutive signaling pathway activation. Using shRNA analysis pSTAT malignant T-cell lines were addicted to JAKs/STATs whether they were mutated or not. Activating JAK/STAT mutations were not sufficient to support leukemic cell proliferation but only augmented upstream pathway signals...
August 15, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28190863/successful-umbilical-cord-blood-hematopoietic-stem-cell-transplantation-in-a-patient-with-adult-t-cell-leukemia-lymphoma-initially-achieving-complete-remission-with-anti-cc-chemokine-receptor-4-antibody-combined-chemotherapy
#20
Tatsuya Suwabe, Yasuhiko Shibasaki, Akane Kaihatsu, Takayuki Katagiri, Shukuko Miyakoshi, Kyoko Fuse, Hironori Kobayashi, Takashi Ushiki, Masato Moriyama, Jun Takizawa, Miwako Narita, Hirohito Sone, Masayoshi Masuko
A 62-year-old man with CHOP refractory adult T-cell leukemia/lymphoma (ATLL) received anti-CC chemokine receptor 4 antibody (mogamulizumab) combined with CHOP and achieved complete remission. At 71 days after the final administration of mogamulizumab, he received umbilical cord blood transplantation (CBT) using reduced intensity conditioning. Umbilical cord blood engraftment was confirmed on day16. Grade II acute graft-versus-host disease (GVHD) was diagnosed on day60 and was controlled by administration of methylprednisolone...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
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