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chronic lymphocytic leukaemia

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https://www.readbyqxmd.com/read/28546881/haematological-malignancies-in-systemic-sclerosis-patients-case-reports-and-review-of-the-world-literature
#1
M Colaci, D Giuggioli, C Vacchi, C Ferri
Background. The association of systemic sclerosis (SSc) and haematological cancers was reported in a large number of case reports and cohort studies, describing SSc patients with highly heterogeneous clinical pictures. Objective. We reviewed the literature to better describe SSc patients with haematological malignancies. Methods. SSc cases complicated by haematological malignancies described in the world literature were collected; other 2 cases referred to our centre were reported. Results. One hundred-thirty SSc subjects were collected from 1954 up to date...
2017: Case Reports in Rheumatology
https://www.readbyqxmd.com/read/28541116/imbruvica-%C3%A2-%C3%A2-ibrutinib-patient-support-programme-for-chronic-lymphocytic-leukaemia-and-mantle-cell-lymphoma
#2
Vidhya Murthy, Susan Weaving, Shankara Paneesha
Single-agent ibrutinib is an effective therapy for three types of non-Hodgkin lymphoma: chronic lymphocytic leukaemia (CLL) and small lymphocytic lymphoma, both in relapsed and refractory cases and as a frontline treatment; relapsed and refractory mantle cell lymphoma; and Waldenstrom's macroglobulinaemia in patients who have been treated previously with a different medication. This novel agent has changed the landscape for the aforementioned three subtypes of lymphoma therapies as an oral alternative to traditional chemoimmunotherapy...
May 25, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28497220/ct-p10-truxima%C3%A2-a-rituximab-biosimilar
#3
Emma D Deeks
CT-P10 (Truxima™) is the first biosimilar of the reference monoclonal anti-CD20 antibody rituximab. It is approved for use in all indications for which reference rituximab is approved, including follicular lymphoma (FL), diffuse large B-cell non-Hodgkin's lymphoma, chronic lymphocytic leukaemia, rheumatoid arthritis (RA), granulomatosis with polyangiitis and microscopic polyangiitis. CT-P10 has similar physicochemical and pharmacodynamic properties to those of reference rituximab, and the pharmacokinetic biosimilarity of the agents has been shown in patients with RA or FL...
May 11, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/28489572/ck2-and-pi3k-are-direct-molecular-targets-of-quercetin-in-chronic-lymphocytic-leukaemia
#4
Maria Russo, Alfonsina Milito, Carmela Spagnuolo, Virginia Carbone, Anders Rosén, Paola Minasi, Fabio Lauria, Gian Luigi Russo
Despite the encouraging results of the innovative therapeutic treatments, complete remission is uncommon in patients affected by chronic lymphocytic leukaemia, which remains an essentially incurable disease. Recently, clinical trials based on BH3-mimetic drugs showed positive outcomes in subjects with poor prognostic features. However, resistance to treatments occurs in a significant number of patients. We previously reported that the multi-kinase inhibitor quercetin, a natural flavonol, restores sensitivity to ABT-737, a BH3-mimetic compound, in both leukemic cell lines and B-cells isolated from patients...
April 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454583/lymphoma-intervention-live-patient-reported-outcome-feedback-and-a-web-based-self-management-intervention-for-patients-with-lymphoma-study-protocol-for-a-randomised-controlled-trial
#5
Lindy P J Arts, Lonneke V van de Poll-Franse, Sanne W van den Berg, Judith B Prins, Olga Husson, Floortje Mols, Angelique V M Brands-Nijenhuis, Lidwine Tick, Simone Oerlemans
BACKGROUND: Patients with lymphoma are at risk of experiencing adverse physical and psychosocial problems from their cancer and its treatment. Regular screening of these symptoms by the use of patient-reported outcomes (PROs) could increase timely recognition and adequate symptom management. Moreover, self-management interventions intend to enhance knowledge and skills and empower patients to better manage their disease and related problems. The objective of the Lymphoma InterVEntion (LIVE) trial is to examine whether feedback to patients on their PROs and access to a web-based, self-management intervention named Living with lymphoma will increase self-management skills and satisfaction with information, and reduce psychological distress...
April 28, 2017: Trials
https://www.readbyqxmd.com/read/28449207/targeting-anti-apoptotic-bcl2-family-proteins-in-haematological-malignancies-from-pathogenesis-to-treatment
#6
REVIEW
Meike Vogler, Harriet S Walter, Martin J S Dyer
The B-cell lymphoma 2 (BCL2) family of proteins comprise key regulators of apoptosis and are implicated in the pathogenesis of many malignancies, including lymphomas and leukaemias. Targeting of BCL2 proteins can be directly toxic to tumour cells or render them more sensitive to chemotherapy. Inhibition of the anti-apoptotic functions of BCL2 proteins using structure-based design to produce specific inhibitors of protein-protein interactions has been achieved for BCL2, MCL1 and BCL-XL (also termed BCL2L1), providing an armamentarium of new targeted therapies called BH3-mimetics...
April 27, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28446487/haemophagocytic-lymphohistiocytosis-as-a-consequence-of-untreated-b-cell-chronic-lymphocytic-leukaemia
#7
Chris Bailey, Claire Dearden, Kirit Ardeshna
Haemophagocytic lymphohistiocytosis (HLH) is a rare, life-threatening syndrome characterised by defective cytotoxic function and hypercytokinaemia leading to macrophage expansion and haemophagocytosis. Patients often present with unexplained fevers, hepatosplenomegaly and pancytopenia, with elevation in serum ferritin and triglyceride. Acquired forms are triggered by infection, malignancy or rheumatological disorders. HLH in the setting of chronic lymphocytic leukaemia is rarely reported, however, and is usually associated with infection or as a consequence of chemotherapy...
April 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28444740/chronic-lymphocytic-leukaemia-genomics-and-the-precision-medicine-era
#8
REVIEW
Hussein Ghamlouch, Florence Nguyen-Khac, Olivier A Bernard
Massive genomic analyses have underscored the diversity of chronic lymphocytic leukaemia (CLL) between patients. Genetic heterogeneity of tumour clones within a patient may fuel tumour evolution. Several recurrently deregulated intra-cellular pathways are candidates for targeted therapies that are very promising and are dramatically changing clinical patients' perspectives. In this review we present an overview of the genetic and epigenetic features of CLL and their clinical and biological implications.
April 25, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28439883/an-update-for-richter-syndrome-new-directions-and-developments
#9
REVIEW
Toby A Eyre, Anna Schuh
High-grade transformation of chronic lymphocytic leukaemia [Richter syndrome (RS)] is rare and represents a unique and uncommon clinical challenge. Clonally related diffuse large B cell type RS is a chemotherapy-resistant and devastating disease. Patients are typically elderly, immunosuppressed and present with a rapidly deteriorating performance status. Historical outcomes suggest a median overall survival of approximately 8 months. RS remains is an area of high unmet clinical need. The molecular profile and treatment needs of patients are likely to change over time with the advent of novel B cell receptor inhibitors, monoclonal antibodies and BH3 mimetics...
April 25, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28424415/clinicopathological-features-and-outcome-of-chronic-lymphocytic-leukaemia-in-chinese-patients
#10
Thomas Sau-Yan Chan, Yuh-Shan Lee, Ilaria Del Giudice, Marilisa Marinelli, Caterina Ilari, Luciana Cafforio, Anna Guarini, Daryl Tan, Colin Phipps, Yeow-Tee Goh, William Hwang, Allan Zhi-Kai Goh, Lisa Lai-Ping Siu, Saliangi Wu, Chun-Yin Ha, Shek-Ying Lin, Chi-Hang Kwok, Chi-Kuen Lau, Kit-Fai Wong, Robin Foà, Yok-Lam Kwong, Eric Tse
Chronic lymphocytic leukaemia (CLL) is uncommon in Chinese population and its biology, genetics and treatment outcome in Chinese patients have not been comprehensively investigated. In this study, we studied the clinicopathological features and outcome of 212 Chinese patients with newly diagnosed CLL in Hong Kong and Singapore. The median age at diagnosis was 64 years. The majority of patients presented with early-stage disease (Binet stage A, 56.1%). Del(13)(q14) was the most frequent abnormality (41.7%) detected by fluorescence in situ hybridization (FISH) analysis...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28419476/cortactin-a-lyn-substrate-is-a-checkpoint-molecule-at-the-intersection-of-bcr-and-cxcr4-signalling-pathway-in-chronic-lymphocytic-leukaemia-cells
#11
Veronica Martini, Cristina Gattazzo, Federica Frezzato, Valentina Trimarco, Marco Pizzi, Giorgia Chiodin, Filippo Severin, Edoardo Scomazzon, Vincenza Guzzardo, Deborah Saraggi, Flavia Raggi, Leonardo Martinello, Monica Facco, Andrea Visentin, Francesco Piazza, Anna Maria Brunati, Gianpietro Semenzato, Livio Trentin
Cortactin (CTTN) is a substrate of the Src kinase Lyn that is known to play an actin cytoskeletal regulatory role involved in cell migration and cancer progression following its phosphorylation at Y421. We recently demonstrated that Cortactin is overexpressed in patients with chronic lymphocytic leukaemia (CLL). This work was aimed at defining the functional role of Cortactin in these patients. We found that Cortactin is variably expressed in CLL patients both in the peripheral blood and lymph nodes and that its expression correlates with the release of matrix metalloproteinase 9 (MMP-9) and the motility of neoplastic cells...
April 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28408436/cyclin-d1-overexpression-in-proliferation-centres-of-small-lymphocytic-lymphoma-chronic-lymphocytic-leukaemia
#12
Larissa Sena Teixeira Mendes, Natalie Peters, Ayoma D Attygalle, Andrew Wotherspoon
The recent publication reviewing the updated WHO classification commented on the presence of cyclin D1-positive cells in the proliferation centres (PC) of small lymphocytic lymphoma/chronic lymphocytic leukaemia (SLL/CLL). The figure quoted was 30%, which appeared higher than our experience. To assess cyclin D1 expression in PC of SLL/CLL cases, we performed a review of SLL/CLL cases diagnosed at the Royal Marsden Hospital between 1996 and 2009. Of 105 SLL/CLL cases, 16.2% showed expression of cyclin D1 in PC with none carrying the translocation t(11;14)(q13;q32)...
April 13, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28407516/quantitative-mir-analysis-in-chronic-lymphocytic-leukaemia-small-lymphocytic-lymphoma-proliferation-centres-are-characterized-by-high-mir-92a-and-mir-155-and-low-mir-150-expression
#13
Kinga Szurián, Irén Csala, Violetta Piurkó, Linda Deák, András Matolcsy, Lilla Reiniger
Proliferation centres (PCs) are histological hallmarks of lymph nodes in chronic lymphocytic leukaemia/small lymphocytic lymphoma (CLL/SLL). Chromosomal abnormalities have already been described to accumulate preferably in the PCs as opposed to the intervening small cell areas. To further characterize the pathogenic role of PCs, the expression levels of 17 selected miRs known to be involved in the development of CLL/SLL were compared in the PCs and the intervening small cell areas in lymph nodes of 15 patients with CLL/SLL...
April 4, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28397242/use-of-anticoagulants-and-antiplatelet-in-patients-with-chronic-lymphocytic-leukaemia-treated-with-single-agent-ibrutinib
#14
Jeffrey A Jones, Peter Hillmen, Steven Coutre, Constantine Tam, Richard R Furman, Paul M Barr, Stephen J Schuster, Thomas J Kipps, Ian W Flinn, Ulrich Jaeger, Jan A Burger, Mei Cheng, Joi Ninomoto, Danelle F James, John C Byrd, Susan M O'Brien
Bleeding events have been observed among a subgroup of chronic lymphocytic leukaemia (CLL) patients treated with ibrutinib. We analysed data from two studies of single-agent ibrutinib to better characterize bleeding events and pattern of anticoagulation and antiplatelet use. Among 327 ibrutinib-treated patients, concomitant anticoagulation (11%) or antiplatelet use (34%) was common, but major bleeding was infrequent (2%). Bleeding events were primarily grade 1, and infrequently (1%) led to discontinuation. Among 175 patients receiving concomitant anticoagulant or antiplatelet agents, 5 had major bleeding events (3%)...
April 10, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28393830/structural-and-functional-analysis-of-the-human-pot1-tpp1-telomeric-complex
#15
Cory Rice, Prashanth Krishna Shastrula, Andrew V Kossenkov, Robert Hills, Duncan M Baird, Louise C Showe, Tzanko Doukov, Susan Janicki, Emmanuel Skordalakes
POT1 and TPP1 are part of the shelterin complex and are essential for telomere length regulation and maintenance. Naturally occurring mutations of the telomeric POT1-TPP1 complex are implicated in familial glioma, melanoma and chronic lymphocytic leukaemia. Here we report the atomic structure of the interacting portion of the human telomeric POT1-TPP1 complex and suggest how several of these mutations contribute to malignant cancer. The POT1 C-terminus (POT1C) forms a bilobal structure consisting of an OB-fold and a holiday junction resolvase domain...
April 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28393412/early-stages-in-the-ontogeny-of-small-b-cell-lymphomas-genetics-and-microenvironment
#16
P Ghia, B Nadel, B Sander, K Stamatopoulos, F K Stevenson
In this review, we focus on the mechanisms underlying lymphomagenesis in chronic lymphocytic leukaemia, follicular lymphoma, mantle cell lymphoma and splenic marginal zone lymphoma. The cells of origin of these small B-cell lymphomas are distinct, as are the characteristic chromosomal lesions and clinical courses. One shared feature is retention of expression of surface immunoglobulin. Analysis of this critical receptor reveals the point of differentiation reached by the cell of origin. Additionally, the sequence patterns of the immunoglobulin-variable domains can indicate a role for stimulants of the B-cell receptor before, during and after malignant transformation...
April 10, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28386906/cd49d-associates-with-nodal-presentation-and-subsequent-development-of-lymphadenopathy-in-patients-with-chronic-lymphocytic-leukaemia
#17
Paolo Strati, Sameer A Parikh, Kari G Chaffee, Sara J Achenbach, Susan L Slager, Timothy G Call, Wei Ding, Diane F Jelinek, Curtis A Hanson, Neil E Kay, Tait D Shanafelt
CD49d is a surface integrin that is expressed on chronic lymphocytic leukaemia (CLL) cells, and strongly correlates with more aggressive disease. Given its association with cell-cell adhesion and leucocyte trafficking, we hypothesized that patients with high CD49d expression would experience a clinical course dominated by lymphadenopathy. CD49d expression was measured by flow cytometry and considered positive if expressed by ≥30% of CLL cells. The study included 797 newly diagnosed CLL/small lymphocytic leukaemia patients; 279 (35%) were CD49d positive...
April 7, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28368466/esmo-consensus-conference-on-malignant-lymphoma-general-perspectives-and-recommendations-for-prognostic-tools-in-mature-b-cell-lymphomas-and-chronic-lymphocytic-leukaemia
#18
M Ladetto, C Buske, M Hutchings, M Dreyling, G Gaidano, S Le Gouill, S Luminari, C Pott, A Zamò, E Zucca
No abstract text is available yet for this article.
March 27, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28350342/the-role-of-pi3k-isoforms-in-regulating-bone-marrow-microenvironment-signaling-focusing-on-acute-myeloid-leukemia-and-multiple-myeloma
#19
REVIEW
Rachel E Piddock, Kristian M Bowles, Stuart A Rushworth
Despite the development of novel treatments in the past 15 years, many blood cancers still remain ultimately fatal and difficult to treat, particularly acute myeloid leukaemia (AML) and multiple myeloma (MM). While significant progress has been made characterising small-scale genetic mutations and larger-scale chromosomal translocations that contribute to the development of various blood cancers, less is understood about the complex microenvironment of the bone marrow (BM), which is known to be a key player in the pathogenesis of chronic lymphocytic leukaemia (CLL), AML and MM...
March 28, 2017: Cancers
https://www.readbyqxmd.com/read/28347751/the-duality-of-macrophage-function-in-chronic-lymphocytic-leukaemia
#20
REVIEW
Y C E Chen, S Mapp, A Blumenthal, M L Burgess, R Mazzieri, S R Mattarollo, P Mollee, D Gill, N A Saunders
Chronic lymphocytic leukaemia (CLL) is the most common adult leukaemia and, in some patients, is accompanied by resistance to both chemotherapeutics and immunotherapeutics. In this review we will discuss the role of tumour associated macrophages (TAMs) in promoting CLL cell survival and resistance to immunotherapeutics. In addition, we will discuss mechanisms by which TAMs suppress T-cell mediated antitumour responses. Thus, targeting macrophages could be used to i) reduce the leukaemic burden via the induction of T-cell-mediated antitumour responses, ii) to reduce pro-survival signalling and enhance response to conventional chemotherapeutics or iii) enhance the response to therapeutic antibodies in current clinical use...
March 24, 2017: Biochimica et Biophysica Acta
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