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https://www.readbyqxmd.com/read/28183684/prognosis-biomarkers-evaluation-in-chronic-lymphocytic-leukemia
#1
Lorena Caixeta Gomes, Fernanda Cristina Gontijo Evangelista, Lirlândia Pires de Sousa, Sergio Schusterschitz da Silva Araujo, Maria das Graças Carvalho, Adriano de Paula Sabino
OBJECTIVE/BACKGROUND: From clinical and biological points of view, chronic lymphocytic leukemia (CLL) is a heterogeneous disease characterized by a progressive accumulation of lymphocytes in the peripheral blood, bone marrow, and lymphoid organs. New prognostic markers in CLL may be useful to clinicians for predicting outcome and in clinical decision-making. The aim of this study was to evaluate the potential prognostic value of the apoptotic/survival-controlling proteins and protein tyrosine kinase ZAP-70 gene expression in CLL patients and control individuals, correlating such findings with patients' clinical data...
February 1, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28178623/t-cell-leukemia-lymphoma-1a-predicts-the-clinical-outcome-for-patients-with-stage-ii-iii-colorectal-cancer
#2
Hao Li, Xuebing Yan, Liguo Liu, Linsheng Huang, Mingming Yin, Cheng Pan, Peng Zhang, Huanlong Qin
T-cell leukemia/lymphoma-1A (TCL1A) as a stem cell marker is abundantly expressed in embryonic stem cells and has been identified as an oncogene in various hematological malignancies such as chronic lymphocytic leukemia and B-cell lymphoma. However, with regard to its role in solid tumors, few studies are available and less are for colorectal cancer (CRC). In this study, we aim to investigate the expression and clinical significance of TCL1A in a cohort of 278 stage II/III CRC patients. As a result, we find TCL1A expression is higher in CRC tissues than that in adjacent normal tissues, and significantly correlated with tumor differentiation, TNM stage and Ki-67 positive rate...
February 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28174663/chronic-lymphocytic-leukemia-with-clinical-debut-as-neurological-involvement-a-rare-phenomenon-and-the-need-for-better-predictive-markers
#3
Cristhiam M Rojas-Hernandez, Jacklyn Nemunaitis, Kristopher D Marjon, Daniel Bustamante, Qian-Yun Zhang, Jennifer M Gillette
BACKGROUND: Chronic lymphocytic leukemia (CLL) is the most common leukemia in Western countries. The frequency of symptomatic central nervous system (CNS) involvement is unknown but thought to be a rare phenomenon. Currently there are no known risk factors for CNS involvement. CASE PRESENTATION: We describe a clinically staged low-risk CLL case that presented with symptomatic CNS involvement and progressed rapidly to death. Evaluation of the surface adhesion molecules identified a markedly altered expression pattern of the integrin, CD49d, and the tetraspanin, CD82, in the index case when compared to similar low-risk CLL cases...
2017: BMC Hematology
https://www.readbyqxmd.com/read/28126961/mir-125b-and-mir-532-3p-predict-efficiency-of-the-rituximab-mediated-lymphodepletion-in-chronic-lymphocytic-leukemia-patients-a-filo-study
#4
Anne-Laure Gagez, Isabelle Duroux-Richard, Stéphane Leprêtre, Frédérique Orsini-Piocelle, Rémi Letestu, Sophie De Guibert, Edouard Tuaillon, Véronique Leblond, Olfa Khalifa, Valérie Gouilleux-Gruart, Anne Banos, Olivier Tournilhac, Jehan Dupuis, Christian Jorgensen, Guillaume Cartron, Florence Apparailly
The underlying in vivo mechanisms of rituximab action remain incompletely understood in chronic lymphocytic leukemia. Recent data suggest that circulating miRNAs correlate with chronic lymphocytic leukemia progression and response to rituximab. Our study aimed at identifying circulating miRNAs that predict response to rituximab monotherapy in chronic lymphocytic leukemia patients. Using a hierarchical clustering of miRNA expression profiles discriminating 10 untreated patients with low or high lymphocyte counts, we found 26 miRNAs significantly deregulated...
January 25, 2017: Haematologica
https://www.readbyqxmd.com/read/28120419/chronic-lymphocytic-leukemia-a-prognostic-model-comprising-only-two-biomarkers-ighv-mutational-status-and-fish-cytogenetics-separates-patients-with-different-outcome-and-simplifies-the-cll-ipi
#5
Julio Delgado, Michael Doubek, Tycho Baumann, Jana Kotaskova, Stefano Molica, Pablo Mozas, Alfredo Rivas-Delgado, Fortunato Morabito, Sarka Pospisilova, Emili Montserrat
Rai and Binet staging systems are important to predict the outcome of patients with chronic lymphocytic leukemia (CLL) but do not reflect the biologic diversity of the disease nor predict response to therapy, which ultimately shape patients' outcome. We devised a biomarkers-only CLL prognostic system based on the two most important prognostic parameters in CLL (i.e., IGHV mutational status and fluorescence in situ hybridization [FISH] cytogenetics), separating three different risk groups: (1) low-risk (mutated IGHV + no adverse FISH cytogenetics [del(17p), del(11q)]); (2) intermediate-risk (either unmutated IGHV or adverse FISH cytogenetics) and (3) high-risk (unmutated IGHV + adverse FISH cytogenetics)...
January 25, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28116634/the-development-and-current-use-of-bcl-2-inhibitors-for-the-treatment-of-chronic-lymphocytic-leukemia
#6
REVIEW
Benjamin L Lampson, Matthew S Davids
The BCL-2 family of proteins integrates pro- and anti-apoptotic signals within the cell and is responsible for initiation of caspase-dependent apoptosis. Chronic lymphocytic leukemia (CLL) cells are particularly dependent on the anti-apoptotic protein BCL-2 for their survival, making this an attractive therapeutic target in CLL. Several early efforts to create inhibitors of the anti-apoptotic family members faced significant challenges, but eventually, the BCL-2 specific inhibitor venetoclax moved forward in CLL...
January 23, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28108506/biomarker-dynamics-in-b-cell-lymphoma-a-longitudinal-prospective-study-of-plasma-samples-up-to-25-years-before-diagnosis
#7
Florentin Späth, Carl Wibom, Esmeralda J M Krop, Ann-Sofie Johansson, Ingvar A Bergdahl, Roel Vermeulen, Beatrice Melin
The B-cell activation markers CXCL13, sCD23, sCD27, and sCD30 are associated with future lymphoma risk. However, a lack of information about the individual dynamics of marker-disease association hampers interpretation. In this study, we identified 170 individuals who had donated two pre-diagnostic blood samples before B-cell lymphoma diagnosis, along with 170 matched cancer-free controls from the Northern Sweden Health and Disease Study. Lymphoma risk associations were investigated by subtype and marker levels measured at baseline, at the time of the repeated sample, and with the rate of change in the marker level...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28062796/integrated-cellular-and-plasma-proteomics-of-contrasting-b-cell-cancers-reveals-common-unique-and-systemic-signatures
#8
Harvey E Johnston, Matthew J Carter, Kerry L Cox, Melanie Dunscombe, Antigoni Manousopoulou, Paul A Townsend, Spiro D Garbis, Mark S Cragg
Approximately 800,000 leukaemia and lymphoma cases are diagnosed worldwide each year. Burkitt's lymphoma (BL) and chronic lymphocytic leukaemia (CLL), are examples of contrasting B-cell cancers; BL is a highly aggressive lymphoid tumour, frequently affecting children, whilst CLL typically presents as an indolent, slow-progressing leukaemia affecting the elderly. The B-cell-specific over-expression of the myc and tcl1 oncogenes in mice induce spontaneous malignancies modelling BL and CLL, respectively. Quantitative mass spectrometry proteomics and isobaric labelling were employed to examine the biology underpinning contrasting Eμ-myc and Eμ-TCL1 B-cell tumours...
January 4, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28038356/mrna-overexpression-of-the-hypoxia-inducible-factor-1-alpha-subunit-gene-hif1a-an-independent-predictor-of-poor-overall-survival-in-chronic-lymphocytic-leukemia
#9
Christos K Kontos, Sotirios G Papageorgiou, Marios A Diamantopoulos, Andreas Scorilas, Efthimia Bazani, Diamantina Vasilatou, Konstantinos Gkontopoulos, Eirini Glezou, Georgia Stavroulaki, George Dimitriadis, Vasiliki Pappa
The hypoxia inducible factor 1 (HIF1) is a heterodimeric transcription factor that ultimately regulates cellular responses to changes in oxygen tension. In this study, we examined the potential diagnostic and prognostic potential of the mRNA expression of HIF1 regulatory α-subunit (HIF1A) in chronic lymphocytic leukemia (CLL). For this purpose, total RNA was isolated from peripheral blood mononuclear cells collected from 88 CLL patients and 33 non-leukemic blood donors, and poly(A)-RNA was reversely transcribed...
November 29, 2016: Leukemia Research
https://www.readbyqxmd.com/read/27915478/targeting-the-phosphatidylinositol-3-kinase-pathway-in-gastric-cancer-can-omics-improve-outcomes
#10
REVIEW
Phu Tran, Cham Nguyen, Samuel J Klempner
Phosphatidylinositol-3-kinase (PI3K) pathway signaling is an established oncogenic signal transduction pathway implicated in multiple malignancies. Therapeutic targeting of PI3K pathway components has improved outcomes in chronic lymphocytic leukemia, kidney cancer, breast cancer, and neuroendocrine tumors. Gastric cancers harbor some of the highest rates of oncogenic alterations in PI3K but attempts to translate this genomic observation have met with limited clinical success and novel approaches are needed...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27872727/identifying-high-risk-chronic-lymphocytic-leukemia-a-pathogenesis-oriented-appraisal-of-prognostic-and-predictive-factors-in-patients-treated-with-chemotherapy-with-or-without-immunotherapy
#11
REVIEW
Sara Martinelli, Antonio Cuneo, Luca Formigaro, Maurizio Cavallari, Enrico Lista, Francesca Maria Quaglia, Maria Ciccone, Antonella Bardi, Eleonora Volta, Elisa Tammiso, Elena Saccenti, Olga Sofritti, Giulia Daghia, Massimo Negrini, Melissa Dabusti, Paolo Tomasi, Sabrina Moretti, Francesco Cavazzini, Gian Matteo Rigolin
Chronic lymphocytic leukemia (CLL) displays an extremely variable clinical behaviour. Accurate prognostication and prediction of response to treatment are important in an era of effective first-line regimens and novel molecules for high risk patients. Because a plethora of prognostic biomarkers were identified, but few of them were validated by multivariable analysis in comprehensive prospective studies, we applied in this survey stringent criteria to select papers from the literature in order to identify the most reproducible prognostic/predictive markers...
2016: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/27859015/hla-e-allelic-genotype-correlates-with-hla-e-plasma-levels-and-predicts-early-progression-in-chronic-lymphocytic-leukemia
#12
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/27833611/activated-allogeneic-nk-cells-preferentially-kill-poor-prognosis-b-cell-chronic-lymphocytic-leukemia-cells
#13
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/27808579/predictive-and-prognostic-biomarkers-in-the-era-of-new-targeted-therapies-for-chronic-lymphocytic-leukemia
#14
Davide Rossi, Bernhard Gerber, Georg Stüssi
Treatment options for chronic lymphocytic leukemia (CLL) have improved with the introduction of the B-cell receptor inhibitors ibrutinib and idelalisib, and of the BCL2 inhibitor venetoclax. While awaiting the results of head to head comparisons between novel agents and chemoimmunotherapy, predictive biomarkers can assist physicians in treatment tailoring. Though novel agents have modified the landscape of predictors at the time of treatment requirement, the usefulness of historical CLL prognostic biomarkers is still up-to-date when considering anticipation of time to first treatment...
November 3, 2016: Leukemia & Lymphoma
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
#15
R Stauder, B Eichhorst, M E Hamaker, K Kaplanov, V A 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 > 70 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/27761889/microrna-155-in-serum-derived-extracellular-vesicles-as-a-potential-biomarker-for-hematologic-malignancies-a-short-report
#16
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...
February 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/27742074/biomarkers-in-chronic-lymphocytic-leukemia-clinical-applications-and-prognostic-markers
#17
REVIEW
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/27742064/present-and-future-of-personalized-medicine-in-cll
#18
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
https://www.readbyqxmd.com/read/27739922/characterization-and-prognostic-relevance-of-circulating-microvesicles-in-chronic-lymphocytic-leukemia
#19
Luciana De Luca, Giovanni D'Arena, Vittorio Simeon, Stefania Trino, Ilaria Laurenzana, Antonella Caivano, Francesco La Rocca, Oreste Villani, Giovanna Mansueto, Silvia Deaglio, Idanna Innocenti, Luca Laurenti, Stefano Molica, Giuseppe Pietrantuono, Angelo De Stradis, Luigi Del Vecchio, Pellegrino Musto
Microvescicles (MV) are shedding particles released by normal and neoplastic cells, whose levels in biological fluids highlight their potential role as disease biomarkers and therapeutic targets. By analyzing 131 newly diagnosed chronic lymphocytic leukemia (CLL), we found that the absolute number of serum CLL MV was significantly higher than in controls, in particular in advanced stages of disease. In addition, CD19 + and CD37+, B-cell derived MV, significantly correlated with high tumor burden. Absolute MV number cutoff selected by ROC analysis distinguished Rai stage 0 patients with shorter time to treatment (TTT) from those with more stable disease...
October 14, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27659777/circulating-microrna-192-as-a-diagnostic-biomarker-in-human-chronic-lymphocytic-leukemia
#20
S Fathullahzadeh, H Mirzaei, M A Honardoost, A Sahebkar, M Salehi
Chronic lymphocytic leukemia (CLL) is known as the most common lymphoid malignancy in the Western world. MicroRNAs (miRNAs) are a class of small noncoding RNAs with pivotal roles in cellular and molecular processes related to different malignancies including CLL. Recently, some studies have shown that miR-192 plays a key role in CLL pathogenesis through increasing CDKN1A/p21 levels, suppression of Bcl-2 and enhancement of wild-type P53 and cell cycle arrest. Forty samples, including 20 patients with CLL, diagnosed in Omid hospital (Isfahan, Iran) and 20 healthy controls were sampled during a period of 4 months...
September 23, 2016: Cancer Gene Therapy
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