Literature DB >> 17928052

Increased expression of angiopoietin-2 characterizes early B-cell chronic lymphocytic leukemia with poor prognosis.

Silvia Martinelli1, Rossana Maffei, Ilaria Castelli, Rita Santachiara, Patrizia Zucchini, Marcella Fontana, Goretta Bonacorsi, Giovanna Leonardi, Roberto Marasca, Giuseppe Torelli.   

Abstract

We measured the angiopoietin-2 (Ang-2) expression in early chronic lymphocytic leukemia (CLL) patients, pointing our attention on the association with immunoglobulin (IgV(H)) mutational status, CD38 expression and clinical outcome. Our results indicate that Ang-2 expression is heterogeneous among Binet stage A CLL patients. CLL patients can be divided into two subgroups (Ang-2 positive and Ang-2 negative CLL) with 30% of them displaying Ang-2 RNA levels above the cut off. A shorter progression-free survival was observed in Ang-2 positive CLL subset (p=0.032). Abnormal Ang-2 expression was also associated with unmutated IgV(H) genes (p<0.0001) and increased bone marrow angiogenesis (p=0.028), suggesting a role of Ang-2 in disease-progression of early CLL patients.

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Year:  2007        PMID: 17928052     DOI: 10.1016/j.leukres.2007.09.002

Source DB:  PubMed          Journal:  Leuk Res        ISSN: 0145-2126            Impact factor:   3.156


  5 in total

Review 1.  Critical signal transduction pathways in CLL.

Authors:  Asish K Ghosh; Neil E Kay
Journal:  Adv Exp Med Biol       Date:  2013       Impact factor: 2.622

2.  Phase II trials of single-agent anti-VEGF therapy for patients with chronic lymphocytic leukemia.

Authors:  Tait Shanafelt; Clive Zent; John Byrd; Charles Erlichman; Betsy Laplant; Asish Ghosh; Timothy Call; Miguel Villalona-Calero; Diane Jelinek; Deborah Bowen; Kristina Laumann; Wenting Wu; Curtis Hanson; Neil Kay
Journal:  Leuk Lymphoma       Date:  2010-11-05

3.  Physical contact with endothelial cells through β1- and β2- integrins rescues chronic lymphocytic leukemia cells from spontaneous and drug-induced apoptosis and induces a peculiar gene expression profile in leukemic cells.

Authors:  Rossana Maffei; Stefania Fiorcari; Jenny Bulgarelli; Silvia Martinelli; Ilaria Castelli; Silvia Deaglio; Giulia Debbia; Marcella Fontana; Valeria Coluccio; Goretta Bonacorsi; Patrizia Zucchini; Franco Narni; Giuseppe Torelli; Mario Luppi; Roberto Marasca
Journal:  Haematologica       Date:  2011-12-29       Impact factor: 9.941

4.  Angiopoietins Modulate Survival, Migration, and the Components of the Ang-Tie2 Pathway of Chronic Lymphocytic Leukaemia (CLL) Cells In Vitro.

Authors:  Luis Mario Aguirre Palma; Hanna Flamme; Iris Gerke; Karl-Anton Kreuzer
Journal:  Cancer Microenviron       Date:  2016-02-05

5.  Prognostic models for newly-diagnosed chronic lymphocytic leukaemia in adults: a systematic review and meta-analysis.

Authors:  Nina Kreuzberger; Johanna Aag Damen; Marialena Trivella; Lise J Estcourt; Angela Aldin; Lisa Umlauff; Maria Dla Vazquez-Montes; Robert Wolff; Karel Gm Moons; Ina Monsef; Farid Foroutan; Karl-Anton Kreuzer; Nicole Skoetz
Journal:  Cochrane Database Syst Rev       Date:  2020-07-31
  5 in total

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