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https://www.readbyqxmd.com/read/28646908/comparison-of-matched-sibling-donors-versus-unrelated-donors-in-allogeneic-stem-cell-transplantation-for-primary-refractory-acute-myeloid-leukemia-a-study-on-behalf-of-the-acute-leukemia-working-party-of-the-ebmt
#1
Eolia Brissot, Myriam Labopin, Matthias Stelljes, Gerhard Ehninger, Rainer Schwerdtfeger, Jürgen Finke, Hans-Jochem Kolb, Arnold Ganser, Kerstin Schäfer-Eckart, Axel R Zander, Donald Bunjes, Stephan Mielke, Wolfgang A Bethge, Noël Milpied, Peter Kalhs, Igor-Woflgang Blau, Nicolaus Kröger, Antonin Vitek, Martin Gramatzki, Ernst Holler, Christoph Schmid, Jordi Esteve, Mohamad Mohty, Arnon Nagler
BACKGROUND: Primary refractory acute myeloid leukemia (PRF-AML) is associated with a dismal prognosis. Allogeneic stem cell transplantation (HSCT) in active disease is an alternative therapeutic strategy. The increased availability of unrelated donors together with the significant reduction in transplant-related mortality in recent years have opened the possibility for transplantation to a larger number of patients with PRF-AML. Moreover, transplant from unrelated donors may be associated with stronger graft-mediated anti-leukemic effect in comparison to transplantations from HLA-matched sibling donor, which may be of importance in the setting of PRF-AML...
June 24, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28646624/prognostic-relevance-of-oxidative-stress-measurement-in-chronic-lymphocytic-leukemia
#2
Giovanni D'Arena, Candida Vitale, Omar Perbellini, Marta Coscia, Francesco La Rocca, Vitalba Ruggieri, Carlo Visco, Matteo Nicola Dario Di Minno, Idanna Innocenti, Vincenzo Pizza, Silvia Deaglio, Giovanni Di Minno, Aldo Giudice, Gioacchino Calapai, Pellegrino Musto, Luca Laurenti, Eugenio Luigi Iorio
OBJECTIVE: To evaluate the prognostic significance of oxidative stress (OS) and antioxidant defense status measurement in patients with chronic lymphocytic leukemia (CLL). METHOD: d-ROMs test and BAP test were evaluated at diagnosis of 165 patients with CLL and correlated with clinical-biological features and prognosis. RESULTS: An increased oxidative damage (d-ROMs test) and a reduced antioxidant potential (BAP test), were found in CLL patients than normal controls (p <0...
June 24, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28646564/the-interference-of-genetic-associations-in-establishing-the-prognostic-value-of-the-immunophenotype-in-acute-myeloid-leukemia
#3
Thomas S van Solinge, Wendelien Zeijlemaker, Gert J Ossenkoppele, Jacqueline Cloos, Gerrit J Schuurhuis
Background In acute myeloid leukemia controversy exists about the role of immunophenotyping of the blasts at diagnosis as a potential prognostic factor. Methods We retrospectively analyzed immunophenotypic marker expression on blasts in relation to genetic aberrancies and survival data of 684 patients. All patients were included in different studies from the HOVON/SAKK Consortium. Results Markers CD2, CD7, CD11b, CD19, CD22 and CD56 all appeared to be associated with one or more established prognostic genetic aberrancies...
June 23, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28645118/outcome-of-patients-treated-for-myelodysplastic-syndromes-with-5q-deletion-after-failure-of-lenalidomide-therapy
#4
Thomas Prebet, Thomas Cluzeau, Sophie Park, Mikkael A Sekeres, Ulrich Germing, Lionel Ades, Uwe Platzbecker, Katharina Gotze, Norbert Vey, Esther Oliva, Mary M Sugrue, Cecile Bally, Charikleia Kelaidi, Najla Al Ali, Pierre Fenaux, Steven D Gore, Rami Komrokji
While lenalidomide (LEN) is the standard of care for the lower-risk myelodysplastic syndromes (MDS) patients with deletion 5q, 35% will not respond to or do not tolerate the drug. Moreover, most of the patients will lose their response after a few years. Defining the outcome of patients with LEN failure and determining the impact of subsequent therapies is therefore important to develop alternative strategies. Based on an international collaboration, we were able to compile a total of 392 patient cases of lower-risk MDS patients with 5q deletion and to analyze their outcome after failure of lenalidomide...
June 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28644429/cytotoxic-and-genotoxic-studies-of-essential-oil-from-rosa-damascene-mill-kashan-iran
#5
Mohammad Shokrzadeh, Emran Habibi, Mona Modanloo
Aim Rosa damascene Mill. belongs to the family of Roseaceae and its essential oil is produced in large amounts in Iran. The wide application of rose oil has raised questions about potential adverse health effects. We have investigated cytotoxic activity and genotoxic effects of Rosa oil from Kashan, Iran. Methods The cytotoxic effect and IC50 of the essential oil on the cell lines was studied followed by MTT assay. In this assay mitochondrial oxidoreductase enzymes with reducing the tetrazolium dye MTT (3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide) reflect the number of viable cells...
August 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/28644114/midostaurin-plus-chemotherapy-for-acute-myeloid-leukemia-with-a-flt3-mutation
#6
Richard M Stone, Sumithra J Mandrekar, Ben L Sanford, Kristina Laumann, Susan Geyer, Clara D Bloomfield, Christian Thiede, Thomas W Prior, Konstanze Döhner, Guido Marcucci, Francesco Lo-Coco, Rebecca B Klisovic, Andrew Wei, Jorge Sierra, Miguel A Sanz, Joseph M Brandwein, Theo de Witte, Dietger Niederwieser, Frederick R Appelbaum, Bruno C Medeiros, Martin S Tallman, Jürgen Krauter, Richard F Schlenk, Arnold Ganser, Hubert Serve, Gerhard Ehninger, Sergio Amadori, Richard A Larson, Hartmut Döhner
Background Patients with acute myeloid leukemia (AML) and a FLT3 mutation have poor outcomes. We conducted a phase 3 trial to determine whether the addition of midostaurin - an oral multitargeted kinase inhibitor that is active in patients with a FLT3 mutation - to standard chemotherapy would prolong overall survival in this population. Methods We screened 3277 patients, 18 to 59 years of age, who had newly diagnosed AML for FLT3 mutations. Patients were randomly assigned to receive standard chemotherapy (induction therapy with daunorubicin and cytarabine and consolidation therapy with high-dose cytarabine) plus either midostaurin or placebo; those who were in remission after consolidation therapy entered a maintenance phase in which they received either midostaurin or placebo...
June 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28642445/identification-of-a-cytogenetic-and-molecular-subgroup-of-acute-myeloid-leukemias-showing-sensitivity-to-l-asparaginase
#7
Salvatore Nicola Bertuccio, Salvatore Serravalle, Annalisa Astolfi, Annalisa Lonetti, Valentina Indio, Anna Leszl, Andrea Pession, Fraia Melchionda
L-Asparaginase (L-Asp) is an enzyme that catalyzes the hydrolysis of L-asparagine to L-aspartic acid, and its depletion induces leukemic cell death. L-Asp is an important component of treatment regimens for Acute Lymphoblastic Leukemia (ALL). Sensitivity to L-Asp is due to the absence of L-Asparagine synthetase (ASNS), the enzyme that catalyzes the biosynthesis of L-asparagine. ASNS gene is located on 7q21.3, and its increased expression in ALLs correlates with L-Asp resistance. Chromosome 7 monosomy (-7) is a recurrent aberration in myeloid disorders, particularly in adverse-risk Acute Myeloid Leukemias (AMLs) and therapy-related myeloid neoplasms (t-MN), that leads to a significant downregulation of the deleted genes, including ASNS...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28642303/molecular-analysis-of-myelodysplastic-syndrome-with-isolated-del-5q-reveals-a-specific-spectrum-of-molecular-mutations-with-prognostic-impact-a-study-on-123-patients-and-27-genes
#8
Manja Meggendorfer, Claudia Haferlach, Wolfgang Kern, Torsten Haferlach
The only cytogenetic aberration defining a myelodysplastic syndrome subtype is the deletion of the long arm of chromosome 5, giving with morphological features the diagnosis of myelodysplastic syndrome with isolated del(5q). These patients show a good prognosis and respond to treatment such as lenalidomide, but some cases progress to acute myeloid leukemia. However, the molecular mutation pattern is rarely characterized. Therefore, we investigated a large cohort of 123 myelodysplastic syndrome patients with isolated del(5q) diagnosed following the World Health Organization classifications 2008 and 2016 by sequencing 27 genes...
June 22, 2017: Haematologica
https://www.readbyqxmd.com/read/28641640/-application-of-cd138-immunomagnetic-sorting-myeloma-cells-combined-with-fluorescence-in-situ-hybridization-for-detecting-cytogenetic-abnormalities-of-multiple-myeloma
#9
Lu Gao, Qing Liu, Yan Shi, Hui Dang, Qi He, Zheng Wang, Lin Feng, Ye Li, Xiao-Yan Wang, Na Li, Wen-Jie Song, Yan-Lin Wang, Shu Kong, Jin Lu, Xiao-Jun Huang, Yue-Yun Lai
OBJECTIVE: To investigate the efficiency of direct fluorescence in situ hybridization (D-FISH) versus FISH on CD138 immunomagnetic sorting myeloma cells (MACS-FISH) to detect the cytogenetic abnormalities of multiple myeloma. METHODS: Thirty-one patients with multiple myeloma (MM) were detected by D-FISH and MACS-FISH, using 5 probes, including 1q21, D13S319, RB1, IgH, P53. The IgH rearrangement positive patients were further examined by 3 IgH rearrangement subtype FISH probes including IgH/FGFR3, IgH/MAF and IgH/CCND1...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641639/-clinical-features-and-response-to-treatment-in-newly-diagnosed-multiple-myeloma-patients-with-deletion-17p
#10
Yan Liu, Xiao-Yan Ke, Jing Wang, Yan-Fang Wang, Fei Dong, Lei Tian, Wei Wan, Hong-Mei Jing
OBJECTIVE: To investigate the clinical features and response to therapies in multiple myeloma (MM) patients with del (17p). METHODS: A total of 122 newly diagnosed MM patients hospitalized in the Department of Hematology of Peking University Third Hospital between October 2012 and September 2016 were analyzed retrospectively. The fluorescent in situ hybridization(FISH) and G-binding staining were used for detection of cytogenetic abnormalities. These MM patients with del (17p) were divided into non-bortezomib chemotherapy (VAD or CHOP) group and bortezomib chemotherapy (PAD or PCD) group...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641631/-characteristics-and-prognostic-significance-of-cytogenetic-abnormalities-in-diffuse-large-b-cell-lymphoma-patients-with-bone-marrow-involvement
#11
Wei Liu, Rui Lyu, Wen-Yang Huang, Cheng-Wen Li, Hong Liu, Jian Li, De-Hui Zou, Lu-Gui Qiu, Shu-Hua Yi
OBJECTIVE: To investigate the cytogenetic abnormalitis in patients with diffuse large B-cell lymphoma(DLBCL) patients with bone marrow involvement and their influence on prognosis. METHODS: Conventional karyotyping was performed on bone marrow specimens in 47 DLBCL patients with histologically confirmed bone marrow involvement(BMI). The karyotyping results of bone marrow, the characteristics and clinical effect of chromosomal abnormalities were analysed. RESULTS: In 47 DLBCL cases with BMI, the chromosomal abnormalities were detected in 25(53%) cases...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641618/-clinical-and-cytogenetic-characteristics-of-two-aml-patients-with-high-level-mll-expression
#12
Jia-Wei Zhao, Kun Ru, Cheng-Wen Li, Ke-Jing Tang, Ying-Chun Zheng, Cheng-Hua Cui, Jing Xiao, Sheng-Hua Chen, Xiao-Jing Wang
OBJECTIVE: To investigate the clinical and cytogenetic characteristics of high-level mixed-lineage leukaemia (MLL) gene amplification in patients with acute myeloid leukemia (AML). METHODS: The clinical and cytogenetic data of 2 AML patients with high-level MLL amplification from January 2010 to August 2016 were analyzed retrospectively. RESULTS: The two AML cases were in middle-aged population. They were diagnosed as FAB subtype M5b and M2a respectively...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641468/association-between-immunoglobulin-heavy-chain-variable-region-mutational-status-and-isolated-favorable-baseline-genomic-aberrations-in-chronic-lymphocytic-leukemia
#13
Jose D Sandoval-Sus, Julio C Chavez, Samir Dalia, Syeda Mahrukh Hussnain Naqvi, Chetasi Talati, Lisa Nodzon, Mohamed A Kharfan-Dabaja, Javier Pinilla-Ibarz
Immunoglobulin heavy-chain variable region (IGHV) mutational status and karyotype abnormalities are important prognostic factors in chronic lymphocytic leukemia (CLL). The goal was to assess the impact of IGHV in CLL patients with isolated favorable genetic aberrations (del13q, trisomy 12, or negative fluorescence in situ hybridization [FISH]). We studied 273 CLL patients with both IGHV mutational status and cytogenetic information: 145 with isolated del13q 49 with sole trisomy 12 and 79 with negative FISH...
June 22, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28638859/a-review-of-the-aetiopathogenesis-and-clinical-and-histopathological-features-of-oral-mucosal-melanoma
#14
REVIEW
Liviu Feller, Razia A G Khammissa, Johan Lemmer
Oral mucosal melanoma is an uncommon, usually heavily melanin-pigmented, but occasionally amelanotic aggressive tumour with a poor prognosis. Despite radical surgery, radiotherapy, or chemotherapy, local recurrence and distant metastasis are frequent. Microscopical examination is essential for diagnosis, and routine histological staining must be supplemented by immunohistochemical studies. The aetiology is unknown, the pathogenesis is poorly understood, and the 5-year survival rate rarely exceeds 30%. In most cases, oral mucosal melanoma arises from epithelial melanocytes in the basal layer of the epithelium and less frequently from immature melanocytes arrested in the lamina propria...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28637619/practical-considerations-for-diagnosis-and-management-of-patients-and-carriers
#15
REVIEW
Charlotte M Niemeyer, Cristina Mecucci
Newly diagnosed children and adults with myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML) need to be screened for presence of a genetic predisposition syndrome because the information on the genetic status is likely to influence clinical care and management of the patient and the family. Scenarios in which genetic counseling is advised include presence of a mutation on somatic screen that can be associated with a germline predisposition, hematologic or cytogenetic characteristics suggestive of an underlying susceptibility syndrome, non-hematological phenotype suspicious for a familial condition, history of previous malignancy, or a family history of cancer, cytopenia, autoimmunity, or organ-system manifestation fitting a predisposition syndrome...
April 2017: Seminars in Hematology
https://www.readbyqxmd.com/read/28636094/characterization-of-clonal-philadelphia-negative-cytogenetic-abnormalities-in-a-large-cohort-of-chronic-myeloid-leukemia
#16
Xiangjun Chen, Jine Zheng, Kaiwei Liang, Yanli He, Wen Du, Juan Li, Wei Liu, Yanjie Hu, Junxia Yao
OBJECTIVES: Clonal Philadelphia-negative Cytogenetic Abnormalities (CPCA) have been reported in chronic myeloid leukaemia (CML) patients treated with either interferon or tyrosine kinase inhibitor (TKI). However, the incidences and types of these cytogenetic abnormalities after treatment vary due to the limited populations enrolled. METHODS: We analysed the frequency and types of CPCA in a cohort of 607 CML patients in the chronic phase after TKI treatment. We also followed up these CPCA with a median of 31...
June 21, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28634866/differential-chromosomal-organization-between-saguinus-midas-and-saguinus-bicolor-with-accumulation-of-differences-the-repetitive-sequence-dna
#17
Dayane Martins Barbosa Serfaty, Natália Dayane Moura Carvalho, Maria Claudia Gross, Marcelo Gordo, Carlos Henrique Schneider
Saguinus is the largest and most complex genus of the subfamily Callitrichinae, with 23 species distributed from the south of Central America to the north of South America with Saguinus midas having the largest geographical distribution while Saguinus bicolor has a very restricted one, affected by the population expansion in the state of Amazonas. Considering the phylogenetic proximity of the two species along with evidence on the existence of hybrids between them, as well as cytogenetic studies on Saguinus describing a conserved karyotypic macrostructure, we carried out a physical mapping of DNA repeated sequences in the mitotic chromosome of both species, since these sequences are less susceptible to evolutionary pressure and possibly perform an important function in speciation...
June 20, 2017: Genetica
https://www.readbyqxmd.com/read/28631637/an-integrated-genomic-profile-that-includes-copy-number-alterations-is-highly-predictive-of-minimal-residual-disease-status-in-childhood-precursor-b-lineage-acute-lymphoblastic-leukemia
#18
Nikhil Patkar, P G Subramanian, Prashant Tembhare, Sneha Mandalia, Gaurav Chaterjee, Nikhil Rabade, Rohan Kodgule, Karishma Chopra, Asma Bibi, Swapnali Joshi, Shruti Chaudhary, Russel Mascerhenas, Pratibha Kadam-Amare, Gaurav Narula, Brijesh Arora, Shripad Banavali, Sumeet Gujral
INTRODUCTION: Copy number alterations (CNA) have been described in childhood precursor B-lineage acute lymphoblastic leukemia (B-ALL) which in conjunction with chromosomal abnormalities drive leukemogenesis. There is no consensus on the clinical incorporation of CNA in B-ALL. An integrated genomic classification (IGC) has been proposed which includes CNA and cytogenetics. METHODS: We correlated this IGC with immunophenotypic minimal residual disease (MRD) as well as other standard criteria for 245 patients of B-ALL such as National Cancer Institute (NCI) risk, D+8 prednisolone response, cytogenetics, and ploidy status...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28631269/missing-hla-c-group-1-ligand-in-patients-with-aml-and-mds-is-associated-with-reduced-risk-of-relapse-and-better-survival-after-allogeneic-stem-cell-transplantation-with-fludarabine-and-treosulfan-reduced-toxicity-conditioning
#19
Avichai Shimoni, Luca Vago, Massimo Bernardi, Ronit Yerushalmi, Jacopo Peccatori, Raffaella Greco, Noga Shem-Tov, Alessandro Lo Russo, Ivetta Danylesko, Arie Apel, Chiara Bonini, Maria Teresa Lupo Stanghellini, Arnon Nagler, Fabio Ciceri
Reduced-toxicity conditioning with fludarabine and treosulfan is a dose-intensive regimen with enhanced anti-leukemia effect and acceptable toxicity in AML/MDS. HLA-C regulates natural-killer (NK) cell function by inhibiting Killer immunoglobulin-like receptors (KIR) and is divided into C1 and C2 epitopes. The missing-ligand theory suggests that missing recipient KIR ligands drives NK-alloreactivity after SCT, in the absence of HLA-mismatch by activating unlicensed donor NK cells. We analyzed SCT outcomes in 203 patients with AML/MDS, median age 58 years, given SCT from matched-siblings (n=97) or matched-unrelated donors (n=106), using two treosulfan doses (total 36 or 42 gr/m2)...
June 19, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28628241/aberrant-expression-of-cd10-and-bcl6-in-mantle-cell-lymphoma
#20
Marco Pizzi, Claudio Agostinelli, Simona Righi, Anna Gazzola, Claudia Mannu, Francesca Galuppini, Matteo Fassan, Andrea Visentin, Francesco Piazza, Gianpietro C Semenzato, Massimo Rugge, Elena Sabattini
AIMS: Mantle cell lymphoma (MCL) is characterized by distinctive histologic and molecular features. Aberrant expression of BCL6 and CD10 has occasionally been reported, but the biological features of such cases are largely unknown. This study aimed to define the epidemiologic, histologic and cytogenetic characteristics of BCL6 and CD10-positive MCLs, also investigating possible biological features. METHODS AND RESULTS: 165 cases of cyclin D1 and t(11;14)(q13;q34) positive MCLs were studied for CD10 and BCL6 immunohistochemical expression which was documented in 26/165 (15...
June 19, 2017: Histopathology
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