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https://www.readbyqxmd.com/read/27913474/prognostication-of-chronic-lymphocytic-leukemia-in-the-era-of-new-agents
#1
Barbara Eichhorst, Michael Hallek
The prognosis of chronic lymphocytic leukemia (CLL) is very heterogeneous. Therefore, a plethora of prognostic factors has been identified to allow a better prediction of the individual prognosis of a given patient. The clinical staging systems by Rai and Binet have been the backbone of clinical management for several decades. The advent of genetic and biochemical markers, as well as next-generation sequencing has provided several markers that can predict the prognosis of patients with CLL. Using this knowledge, several scores have been created to improve predicting overall survival and/or treatment-free survival...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27890934/egr2-mutations-define-a-new-clinically-aggressive-subgroup-of-chronic-lymphocytic-leukemia
#2
E Young, D Noerenberg, L Mansouri, V Ljungström, M Frick, L-A Sutton, S J Blakemore, J Galan-Sousa, K Plevova, P Baliakas, D Rossi, R Clifford, D Roos-Weil, V Navrkalova, B Dörken, C A Schmitt, K E Smedby, G Juliusson, B Giacopelli, J S Blachly, C Belessi, P Panagiotidis, N Chiorazzi, F Davi, A W Langerak, D Oscier, A Schuh, G Gaidano, P Ghia, W Xu, L Fan, O A Bernard, F Nguyen-Khac, L Rassenti, J Li, T J Kipps, K Stamatopoulos, S Pospisilova, T Zenz, C C Oakes, J C Strefford, R Rosenquist, F Damm
Recurrent mutations within EGR2 were recently reported in advanced-stage chronic lymphocytic leukemia (CLL) patients and associated with a worse outcome. To study their prognostic impact, 2403 CLL patients were examined for mutations in the EGR2 hotspot region including a screening (n=1283) and two validation cohorts (UK CLL4 trial patients, n=366; CLL Research Consortium (CRC) patients, n=490). Targeted deep-sequencing of 27 known/postulated CLL driver genes was also performed in 38 EGR2-mutated patients to assess concurrent mutations...
November 28, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27890383/-autoimmune-and-inflammatory-disorders-associated-with-lymphoid-hematological-malignancies
#3
E Grignano, A Mekinian, V Jachiet, P Coppo, O Fain
In this literature review, we reported autoimmune and inflammatory disorders associated with lymphoid hematological malignancies, including non-Hodgkin's lymphoma, Hodgkin's lymphoma and chronic lymphocytic leukemia. The different types of systemic involvement are classified by affected organ. We listed in this review the joint diseases, skin, neurologic, hematologic, renal, and vasculitis. We tried to determine whether there is a correlation between each autoimmune manifestation and a specific type of lymphoma or a particular feature that may support a paraneoplastic origin, if there is an impact on the prognosis of the hematological malignancy, and finally, we identified the different therapeutic strategies used in the literature...
November 24, 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27863764/diagnosis-and-treatment-of-chronic-lymphocytic-leukemia-recommendations-from-the-brazilian-group-of-chronic-lymphocytic-leukemia
#4
Celso Arrais Rodrigues, Matheus Vescovi Gonçalves, Maura Rosane Valério Ikoma, Irene Lorand-Metze, André Domingues Pereira, Danielle Leão Cordeiro de Farias, Maria de Lourdes Lopes Ferrari Chauffaille, Rony Schaffel, Eduardo Flávio Oliveira Ribeiro, Talita Silveira da Rocha, Valeria Buccheri, Yuri Vasconcelos, Vera Lúcia de Piratininga Figueiredo, Carlos Sérgio Chiattone, Mihoko Yamamoto
Chronic lymphocytic leukemia is characterized by clonal proliferation and progressive accumulation of B-cell lymphocytes that typically express CD19(+), CD5(+) and CD23(+). The lymphocytes usually infiltrate the bone marrow, peripheral blood, lymph nodes, and spleen. The diagnosis is established by immunophenotyping circulating B-lymphocytes, and prognosis is defined by two staging systems (Rai and Binet) established by physical examination and blood counts, as well as by several biological and genetic markers...
October 2016: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/27859015/hla-e-allelic-genotype-correlates-with-hla-e-plasma-levels-and-predicts-early-progression-in-chronic-lymphocytic-leukemia
#5
Bettina Wagner, Fabiola da Silva Nardi, Sabine Schramm, Thomas Kraemer, Alexander A Celik, Jan Dürig, Peter A Horn, Ulrich Dührsen, Holger Nückel, Vera Rebmann
BACKGROUND: Human leukocyte antigen-E (HLA-E) is a nonclassical major histocompatibility complex class I molecule that recently came into sharper focus as a putative marker of advanced tumor stages and disease progression. In solid tumors, increased HLA-E expression as well as elevated soluble HLA-E (sHLA-E) plasma levels are associated with a poor prognosis; however, a role for HLA-E in hematologic malignancies remains to be established. METHODS: The authors analyzed HLA-E alleles and sHLA-E levels in a cohort of 110 individuals with chronic lymphocytic leukemia (CLL)...
November 2, 2016: Cancer
https://www.readbyqxmd.com/read/27858991/management-of-central-nervous-system-involvement-in-chronic-lymphocytic-leukaemia-a-retrospective-cohort-of-30-patients
#6
Anne Wanquet, Rudy Birsen, Charlotte Bonnet, Marouane Boubaya, Sylvain Choquet, Jehan Dupuis, Stephane Lepretre, Daniel Re, Jonathan Fahri, Anne-Sophie Michallet, Loïc Ysebaert, Richard Lemal, Thierry Lamy, Richard Delarue, Xavier Troussard, Florence Cymbalista, Vincent Levy, Pierre-Yves Dietrich, Veronique Leblond, Therese Aurran-Schleinitz
Central nervous system involvement (CNSi) is a rare and poorly reported complication of chronic lymphocytic leukaemia (CLL). Establishing cause and effect between the CLL and the neurological symptoms remains challenging. We have analysed a retrospective cohort of 30 CLL patients with CNSi, documented by lymphocytic infiltration either by flow cytometry of the cerebrospinal fluid (CSF; n = 29) or CNS biopsy (n = 1). Neurological symptoms were heterogeneous. At the time of CNSi, less than half of the patients had a progressive CLL and 20 had never been treated for CLL...
November 11, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27835587/nerve-growth-factor-modulates-the-tumor-cells-migration-in-ovarian-cancer-through-the-wnt-%C3%AE-catenin-pathway
#7
Bo Li, Shaoxi Cai, Yi Zhao, Qiyi He, Xiaodong Yu, Longcong Cheng, Yingfeng Zhang, Xiancheng Hu, Ming Ke, Sijia Chen, Misha Zou
Nerve growth factor (NGF)/nerve growth factor receptors (NGFRs) axis and canonical WNT/β-catenin pathway have shown to play crucial roles in tumor initiation, progression and prognosis. But little did we know the relationship between them in modulation of tumor progress. In this report, we found that NGF/NGFRs and β-catenin were coexpression in ovarian cancer cell lines, and NGF can decrease the expression level of β-catenin and affect its activities, which may be related to the NGF-induced down-regulation of B-cell CLL/lymphoma 9-like (BCL9L, BCL9-2)...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27833611/activated-allogeneic-nk-cells-preferentially-kill-poor-prognosis-b-cell-chronic-lymphocytic-leukemia-cells
#8
Diego Sánchez-Martínez, Pilar M Lanuza, Natalia Gómez, Aura Muntasell, Elisa Cisneros, Manuela Moraru, Gemma Azaceta, Alberto Anel, Luis Martínez-Lostao, Martin Villalba, Luis Palomera, Carlos Vilches, José A García Marco, Julián Pardo
Mutational status of TP53 together with expression of wild-type (wt) IGHV represents the most widely accepted biomarkers, establishing a very poor prognosis in B-cell chronic lymphocytic leukemia (B-CLL) patients. Adoptive cell therapy using allogeneic HLA-mismatched Natural killer (NK) cells has emerged as an effective and safe alternative in the treatment of acute myeloid and lymphoid leukemias that do not respond to traditional therapies. We have described that allogeneic activated NK cells eliminate hematological cancer cell lines with multidrug resistance acquired by mutations in the apoptotic machinery...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27821812/karyotypic-complexity-rather-than-chromosome-8-abnormalities-aggravates-the-outcome-of-chronic-lymphocytic-leukemia-patients-with-tp53-aberrations
#9
Gonzalo Blanco, Anna Puiggros, Panagiotis Baliakas, Anastasia Athanasiadou, MªDolores García-Malo, Rosa Collado, Aliki Xochelli, María Rodríguez-Rivera, Margarita Ortega, Mª José Calasanz, Elisa Luño, MªTeresa Vargas, Javier Grau, Carolina Martínez-Laperche, Alberto Valiente, José Cervera, Achilles Anagnostopoulos, Eva Gimeno, Eugènia Abella, Evangelia Stalika, Jesús Mª Hernández-Rivas, Francisco José Ortuño, Diego Robles, Ana Ferrer, David Ivars, Marcos González, Francesc Bosch, Pau Abrisqueta, Kostas Stamatopoulos, Blanca Espinet
Patients with chronic lymphocytic leukemia (CLL) harboring TP53 aberrations (TP53abs; chromosome 17p deletion and/or TP53 mutation) exhibit an unfavorable clinical outcome. Chromosome 8 abnormalities, namely losses of 8p (8p-) and gains of 8q (8q+) have been suggested to aggravate the outcome of patients with TP53abs. However, the reported series were small, thus hindering definitive conclusions. To gain insight into this issue, we assessed a series of 101 CLL patients harboring TP53 disruption. The frequency of 8p- and 8q+ was 14...
November 4, 2016: Oncotarget
https://www.readbyqxmd.com/read/27803007/management-of-chronic-lymphocytic-leukemia-cll-in-the-elderly-a-position-paper-from-an-international-society-of-geriatric-oncology-siog-task-force
#10
REVIEW
R Stauder, B Eichhorst, M Hamaker, K Kaplanov, V Morrison, A Österborg, I Poddubnaya, J A Woyach, T Shanafelt, L Smolej, L Ysebaert, V Goede
Chronic lymphocytic leukemia (CLL) mainly affects older people: the median age at diagnosis is above seventy years. Elderly patients with CLL are heterogeneous with regard both to the biology of their disease and aging. Following the diagnosis of CLL in an elderly individual, careful risk assessment is essential when treatment options are evaluated. This includes not only clinical staging and evaluation of disease-specific prognostic biomarkers such as 17p deletion and TP53 mutation, but also of comorbidities, physical capacity, nutritional status, cognitive capacity, ability to perform activities of daily living, and social support...
November 1, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27795555/targeted-deep-sequencing-reveals-clinically-relevant-subclonal-ighv-rearrangements-in-chronic-lymphocytic-leukemia
#11
B Stamatopoulos, A Timbs, D Bruce, T Smith, R Clifford, P Robbe, A Burns, D V Vavoulis, L Lopez, P Antoniou, J Mason, H Dreau, A Schuh
The immunoglobulin heavy-chain variable region gene (IgHV) mutational status is considered the gold standard of prognostication in Chronic Lymphocytic Leukemia (CLL) and is currently determined by Sanger sequencing that allows the analysis of the major clone. Using next generation sequencing (NGS), we sequenced the IgHV gene from 2 independent cohorts:(A) 270 consecutive patient samples obtained at diagnosis and (B) 227 patients from the UK ARCTIC-AdMIRe clinical trials. Using cDNA from purified CD19+CD5+ cells, we demonstrate the presence of multiple rearrangements in independent experiments and showed that 24...
October 31, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27777635/global-dna-methylation-profiling-reveals-new-insights-into-epigenetically-deregulated-protein-coding-and-long-noncoding-rnas-in-cll
#12
Santhilal Subhash, Per-Ola Andersson, Subazini Thankaswamy Kosalai, Chandrasekhar Kanduri, Meena Kanduri
BACKGROUND: Methyl-CpG-binding domain protein enriched genome-wide sequencing (MBD-Seq) is a robust and powerful method for analyzing methylated CpG-rich regions with complete genome-wide coverage. In chronic lymphocytic leukemia (CLL), the role of CpG methylated regions associated with transcribed long noncoding RNAs (lncRNA) and repetitive genomic elements are poorly understood. Based on MBD-Seq, we characterized the global methylation profile of high CpG-rich regions in different CLL prognostic subgroups based on IGHV mutational status...
2016: Clinical Epigenetics
https://www.readbyqxmd.com/read/27765352/dioscin-suppresses-hepatocellular-carcinoma-tumor-growth-by-inducing-apoptosis-and-regulation-of-tp53-bax-bcl2-and-cleaved-casp3
#13
Guangxian Zhang, Xiancheng Zeng, Ren Zhang, Juan Liu, Weici Zhang, Yujun Zhao, Xiaoyuan Zhang, Zhixue Wu, Yuhui Tan, Yingya Wu, Biaoyan Du
BACKGROUND: Hepatocellular carcinoma (HCC) is the most commonly diagnosed malignancy of the liver, occurs frequently in the setting of chronic liver injury. Although multiple therapeutic approaches are available, the prognosis of patients with HCC remains poor. Dioscin is a natural steroid saponin that presents in various plants. The anti-cancer and anti-fibrotic effects have been extensively reported. However, the effect of dioscin on HCC remains unclear. We aimed to investigate the anti-HCC properties of dioscin in vitro and in vivo...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27761889/microrna-155-in-serum-derived-extracellular-vesicles-as-a-potential-biomarker-for-hematologic-malignancies-a-short-report
#14
Antonella Caivano, Francesco La Rocca, Vittorio Simeon, Marco Girasole, Simone Dinarelli, Ilaria Laurenzana, Angelo De Stradis, Luciana De Luca, Stefania Trino, Antonio Traficante, Giovanni D'Arena, Giovanna Mansueto, Oreste Villani, Giuseppe Pietrantuono, Luca Laurenti, Luigi Del Vecchio, Pellegrino Musto
PURPOSE: The use of extracellular vesicles (EVs) from body fluids as "liquid biopsies" is emerging as a promising approach for the diagnosis, prognosis and therapeutic monitoring of cancer patients. MicroRNA-155 (miR155), a non-coding transcript of the B-cell integration cluster (BIC) gene, has been reported to play a critical role in the pathogenesis of several types of hematologic malignancies (HMs) in which high miR155 levels have been found. At yet, however, the EV miR155 level and its putative clinical relevance in sera of HM patients have not been reported...
October 19, 2016: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/27757836/lipoprotein-lipase-as-a-prognostic-marker-in-chronic-lymphocytic-leukemia
#15
Zoltán Mátrai, Hajnalka Andrikovics, Anikó Szilvási, András Bors, András Kozma, Emma Ádám, Gabriella Halm, Éva Karászi, Attila Tordai, Tamás Masszi
The marked clinical heterogeneity of CLL makes early prognosis assessment important. Lipoprotein lipase (LPL) has been shown to confer adverse prognosis in CLL, recent data indicating it might also contribute to CLL cell survival and metabolism. We determined LPL mRNA expression in unselected peripheral blood of 84 CLL patients by RT PCR. Results were correlated with other prognostic markers and outcome. 30/84 (40 %) of cases were LPL positive based on the cutoff established by ROC analysis. In LPL positive patients significantly shorter median survival (136 vs 258 months, p < 0...
October 18, 2016: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/27756747/targeting-btk-through-microrna-in-chronic-lymphocytic-leukemia
#16
Arianna Bottoni, Lara Rizzotto, Tzung-Huei Lai, Chaomei Liu, Lisa L Smith, Rose Mantel, Sean Reiff, Dalia El-Gamal, Karilyn Larkin, Amy J Johnson, Rosa Lapalombella, Amy Lehman, William Plunkett, John C Byrd, James S Blachly, Jennifer A Woyach, Deepa Sampath
BTK is a critical mediator of survival in B cell neoplasms. While BTK inhibitors have transformed therapy in CLL, high genetic risk patients are at risk for relapse and have a poor prognosis. Identification of novel therapeutic strategies for this group of patients is an urgent unmet clinical need, and therapies that target BTK via alternative mechanisms may fill this niche. Herein, we identify a set of miRNAs that target BTK in primary CLL cells and show that the HDAC repressor complex is recruited to these miRNA promoters to silence their expression...
October 17, 2016: Blood
https://www.readbyqxmd.com/read/27742075/tp53-dysfunction-in-cll-implications-for-prognosis-and-treatment
#17
Gera D Te Raa, Arnon P Kater
Despite the availability of novel targeted agents, TP53 defects remain the most important adverse prognostic factor in chronic lymphocytic leukemia (CLL). Detection of deletion of TP53 locus (17p deletion) by fluorescent in situ hybridization (FISH) has become standard and performed prior to every line of treatment as the incidence dramatically increases as relapses occur. As monoallelic mutations of TP53 equally affect outcome, novel methods are being developed to improve detection of TP53 defects and include next-generation sequencing (NGS) and functional assays...
March 2016: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/27742074/biomarkers-in-chronic-lymphocytic-leukemia-clinical-applications-and-prognostic-markers
#18
Carlos I Amaya-Chanaga, Laura Z Rassenti
Chronic lymphocytic leukemia (CLL) is a heterogeneous disease with a variable clinical course. The Rai and Binet staging systems are often used to predict survival. However, they do not take into account other biological characteristics of CLL cells that may influence the disease course and response to treatment. Prognostic factors such as chromosome abnormalities (trisomy 12, 11q deletions and 17p deletions), β2 microglobulin, thymidine kinase, CD38 and ZAP-70 expression, IGHV mutation status, and mutations in genes such as NOTCH1, MYD88, SF3B1, and ATM are also predictors of prognosis...
March 2016: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/27742070/richter-s-syndrome-novel-and-promising-therapeutic-alternatives
#19
Davide Rossi
Richter's syndrome (RS) is the development of an aggressive lymphoma in patients with a previous or concomitant diagnosis of chronic lymphocytic leukemia (CLL). The incidence rate for RS is ∼0.5% per year of observation. In the presence of clinical suspicious of RS, diagnosis of transformation and choice of the site of biopsy may take advantage of (18)FDG PET/CT. Molecular lesions of tumor suppression regulators (TP53), cell cycle (CDKN2A) and cell proliferation (NOTCH1, MYC) overall account for ∼90% of RS and may be responsible for its aggressive clinical phenotype...
March 2016: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/27742064/present-and-future-of-personalized-medicine-in-cll
#20
Emili Montserrat, Tycho Bauman, Julio Delgado
Medicine has been 'personalized' (i.e. centred in persons) since its foundation. Recently, however, the term 'personalized medicine' (or, better, 'precision medicine') has been introduced to define 'a form of medicine that uses information about a person's genes, proteins, and environment to prevent, diagnose, and treat disease'. This concept has gained momentum thanks to next-generation-sequencing (NGS) techniques that allow identification of molecular characteristics unique to the patient and to the tumour...
March 2016: Best Practice & Research. Clinical Haematology
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