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Chronic myeloid leukaemia

Maro Ohanian, Ana Tari Ashizawa, Guillermo Garcia-Manero, Naveen Pemmaraju, Tapan Kadia, Elias Jabbour, Farhad Ravandi, Gautam Borthakur, Michael Andreeff, Marina Konopleva, Miranda Lim, Sherry Pierce, Susan O'Brien, Yesid Alvarado, Srdan Verstovsek, William Wierda, Hagop Kantarjian, Jorge Cortes
BACKGROUND: Activating mutations of tyrosine kinases are common in leukaemias. Oncogenic tyrosine kinases use the growth factor receptor-bound protein 2 (Grb2) for signal transduction, leading to activation of mitogen-activated protein kinase (MAPK) 1 and MAPK3 (ERK2 and ERK1). We hypothesised that inhibition of Grb2 would suppress ERK1 and ERK2 activation and inhibit leukaemia progression. To inhibit Grb2, a liposome-incorporated antisense oligodeoxynucleotide that blocks Grb2 protein expression, BP1001, was developed...
March 14, 2018: Lancet Haematology
Priya Venkatesan
No abstract text is available yet for this article.
March 8, 2018: Lancet Oncology
Joanna Drozd-Sokołowska, Krzysztof Mądry, Anna Waszczuk-Gajda, Przemysław Biecek, Paweł Szwedyk, Katarzyna Budziszewska, Magdalena Raźny, Magdalena Dutka, Agata Obara, Ewa Wasilewska, Krzysztof Lewandowski, Agnieszka Piekarska, Grażyna Bober, Helena Krzemień, Beata Stella-Hołowiecka, Katarzyna Kapelko-Słowik, Waldemar Sawicki, Małgorzata Paszkowska-Kowalewska, Rafał Machowicz, Jadwiga Dwilewicz-Trojaczek
Atypical chronic myeloid leukaemia (aCML) belongs to myelodysplastic/myeloproliferative neoplasms. Because of its rarity and changing diagnostic criteria throughout subsequent classifications, data on aCML are very scarce. Therefore, we at the Polish Adult Leukemia Group performed a nationwide survey on aCML. Eleven biggest Polish centres participated in the study. Altogether, 45 patients were reported, among whom only 18 patients (40%) fulfilled diagnostic criteria. Among misdiagnosed patients, myelodysplastic/myeloproliferative syndrome unclassifiable and chronic myelomonocytic leukaemia were the most frequent diagnoses...
March 7, 2018: Hematological Oncology
Matt Stevenson, Abdullah Pandor, Jean Hamilton, John Stevens, Clare Rowntree, Marrissa Martyn-St James, Andrew Rawdin, Ruth Wong
As part of its single technology appraisal (STA) process, the UK National Institute for Health and Care Excellence (NICE) invited the manufacturer (Incyte Corporation) of ponatinib (Inclusig® ) to submit evidence of its clinical and cost effectiveness for previously treated Philadelphia-chromosome-positive acute lymphoblastic leukaemia (Ph+ ALL) and chronic myeloid leukaemia. This paper focusses on Ph+ ALL. The School of Health and Related Research Technology Appraisal Group at the University of Sheffield was commissioned to act as the independent evidence review group (ERG)...
March 3, 2018: PharmacoEconomics
Josefina Reyes-Sebastian, Laura Arcelia Montiel-Cervantes, Elba Reyes-Maldonado, Maria Lilia Dominguez-Lopez, Rocio Ortiz-Butron, Aida Castillo-Alvarez, Ruth Angélica Lezama
Receptor tyrosine kinase (RTK) activity may contribute to carcinogenesis. The c-Kit receptor, a member of the RTK family, is expressed in immature haematopoietic system cells. Acute lymphoblastic leukaemia (ALL) presents incompletely differentiated lymphoblasts, and consequently, c-Kit expression can be detected in these cells. The BCR-ABL kinase, which is usually present in both ALL and chronic myeloid leukaemia, can trigger signalling pathways with neoplastic effects. However, a certain number of ALL patients and chronic myeloid leukaemia patients do not express this kinase, raising the question of which other proteins that intervene in signalling pathways may be involved in the development of these diseases...
March 1, 2018: Hematology (Amsterdam, Netherlands)
Claudio Guarneri, Uwe Wollina, Torello Lotti, Georgi Konstantinov Maximov, Ilia Lozev, Serena Gianfaldoni, Ivan Pidakev, Jacopo Lotti, Georgi Tchernev
Firstly described by Robert Douglas Sweet in 1964, febrile neutrophilic dermatosis is a disabling, not only cutaneous disorder, clinically characterised by fever and painful erythematous nodules, with a typical background of neutrophilia. Sweet's syndrome (SS) is a chronic inflammatory reactive disorder of unknown cause and incompletely established pathogenesis, although an interplay between genetic and environmental factors, including infections, is likely to occur. A significant part of cases has been demonstrated to be linked with malignancies, especially in the hematologic setting...
January 25, 2018: Open Access Macedonian Journal of Medical Sciences
Abdullah Pandor, Matt Stevenson, John Stevens, Marrissa Martyn-St James, Jean Hamilton, Jenny Byrne, Claudius Rudin, Andrew Rawdin, Ruth Wong
As part of its single technology appraisal process, the National Institute for Health and Care Excellence (NICE) invited the company that manufactures ponatinib (Inclusig® ; Incyte Corporation) to submit evidence for the clinical and cost effectiveness for previously treated chronic myeloid leukaemia (CML) and Philadelphia-chromosome-positive acute lymphoblastic leukaemia (Ph+ ALL). This paper focusses on the three phases of CML: the chronic phase (CP), the accelerated phase (AP) and the blast crisis phase (BP)...
February 26, 2018: PharmacoEconomics
Jana Mihalyova, Tomas Jelinek, Katerina Growkova, Matous Hrdinka, Michal Simicek, Roman Hajek
Inhibitors of anti-apoptotic proteins of the BCL2 family can successfully restart the deregulated process of apoptosis in malignant cells. While non-selective agents have been limited by their affinity to different BCL2 members, and thus inducing excessive toxicity, the highly selective BCL2 inhibitor, venetoclax (ABT-199, Venclexta™), has an acceptable safety profile. To date, it has been approved in monotherapy for the treatment of relapsed or refractory chronic lymphocytic leukaemia (CLL) with 17p deletion...
February 22, 2018: Experimental Hematology
Vera A de Vries, Marcella C A Müller, M Sesmu Arbous, Bart J Biemond, Nicole M A Blijlevens, Nuray Kusadasi, Goda C W Choi, Alexander P J Vlaar, David J van Westerloo, Hanneke C Kluin-Nelemans, Walter M van den Bergh
A few decades ago, the chances of survival for patients with a haematological malignancy needing Intensive Care Unit (ICU) support were minimal. As a consequence, ICU admission policy was cautious. We hypothesized that the long-term outcome of patients with a haematological malignancy admitted to the ICU has improved in recent years. Furthermore, our objective was to evaluate the predictive value of the Acute Physiology and Chronic Health Evaluation (APACHE) II score. A total of 1095 patients from 5 Dutch university hospitals were included from 2003 until 2015...
February 22, 2018: British Journal of Haematology
Diana Oelofse, Ilse Truter
BACKGROUND: The incidence of haematological malignancies in Africa's rapidly urbanising populations is insufficiently explored. Reliable population-based cancer statistics, however, continues to be a scarce resource in Africa and tends to be urban biased with limited rural coverage. In addition, many haematological malignancies are regarded as rare cancers, a sub-group that often affects the young disproportionately and require advanced diagnostic services and facilities able to deliver costly sophisticated treatments...
February 17, 2018: Cancer Epidemiology
Fiorenzo Santoleri, Ruggero Lasala, Andrea Logreco, Elena Ranucci, Alberto Costantini
Purpose The aim of this study was to verify whether the distribution of a treatment diary by a pharmacist could influence the adherence to oral treatment with imatinib, nilotinib, and dasatinib in patients with chronic myeloid leukaemia. Methods The level of adherence was calculated using the received daily dose/prescribed daily dose ratio and compared between patients who used a diary and those who did not. Results Forty-four (35.8%) of 123 patients with chronic myeloid leukaemia completed the diary: 20 (45...
January 1, 2018: Journal of Oncology Pharmacy Practice
Yvan Beaussant, Etienne Daguindau, Adrien Chauchet, Philippe Rochigneux, Christophe Tournigand, Régis Aubry, Lucas Morin
OBJECTIVE: To investigate patterns of care during the last months of life of hospitalised patients who died from different haematological malignancies. METHODS: Nationwide register-based study, including all hospitalised adults ≥20 years who died from haematological malignancies in France in 2010-2013. Outcomes included use of invasive cancer treatments and referral to palliative care. Percentages are adjusted for sex and age using direct standardisation. RESULTS: Of 46 629 inpatients who died with haematological malignancies, 24...
February 6, 2018: BMJ Supportive & Palliative Care
Lucie de Beauchamp, Pablo Baquero, Elodie M Kuntz, Eyal Gottlieb, G Vignir Helgason
We have recently uncovered an abnormal increase in mitochondrial oxidative metabolism in therapy-resistant chronic myeloid leukaemia stem cells (LSCs). By simultaneously disrupting mitochondrial respiration and inhibiting BCR-ABL kinase activity using the antibiotic tigecycline and imatinib respectively, we effectively eradicated LSCs and prevented disease relapse in pre-clinical animal models.
2018: Molecular & Cellular Oncology
David M Ross, Chris Arthur, Kate Burbury, Brian S Ko, Anthony K Mills, Jake Shortt, Karam Kostner
Several BCR-ABL1 tyrosine kinase inhibitors (TKIs) are approved for the first-line treatment of chronic phase chronic myeloid leukaemia (CML). Disease control is achieved in the vast majority of patients and disease-specific survival is excellent. Consequently, there is now emphasis on managing comorbidities and minimising treatment-related toxicity. Second-generation TKIs have cardiovascular risks that are greater than with imatinib treatment, but these risks must be balanced against the superior CML responses encountered with more potent TKIs...
February 2018: Internal Medicine Journal
Sophie E Broughton, Timothy R Hercus, Tracy L Nero, Winnie L Kan, Emma F Barry, Mara Dottore, Karen S Cheung Tung Shing, Craig J Morton, Urmi Dhagat, Matthew P Hardy, Nicholas J Wilson, Matthew T Downton, Christine Schieber, Timothy P Hughes, Angel F Lopez, Michael W Parker
The interleukin-3 (IL-3) receptor is a cell-surface heterodimer that links the haemopoietic, vascular and immune systems and is overexpressed in acute and chronic myeloid leukaemia progenitor cells. It belongs to the type I cytokine receptor family in which the α-subunits consist of two fibronectin III-like domains that bind cytokine, and a third, evolutionarily unrelated and topologically conserved, N-terminal domain (NTD) with unknown function. Here we show by crystallography that, while the NTD of IL3Rα is highly mobile in the presence of IL-3, it becomes surprisingly rigid in the presence of IL-3 K116W...
January 26, 2018: Nature Communications
Rupesh Chikhale, Sonali Thorat, Rajan Kumar Choudhary, Nikhil Gadewal, Pramod Khedekar
Abnormal signalling from the Protein tyrosine kinases (PTKs) like receptor tyrosine kinases and intracellular tyrosine kinases can lead to diseases such as cancer especially non-small cell lung cancer, chronic myeloid leukaemia and gastrointestinal stromal tumours. Various Protein tyrosine kinase inhibitors are available but face poor bioavailability, severe toxicities and recent cases of drug-resistant cancers prompts for development of better drug molecules. In this study we report the design and development of a novel Protein Tyrosine Kinase (PTK) inhibitor on the basis of pharmacophore modelling...
January 4, 2018: Bioorganic Chemistry
Hanmei Bao, Qing Zhang, Yibo Du, Cai Zhang, Hui Xu, Zhongling Zhu, Zhao Yan
OBJECTIVES: The goal of this study was to explore the effects of BHX on human chronic myeloid leukaemia (CML) cells and to elucidate the underlying molecular mechanism. MATERIALS AND METHODS: CML cell line K562 cells were treated with BHX. The effects of BHX on cell proliferation, apoptosis and cell cycle were detected. Subsequently, the caspase, ATP activity, Ca2+ , ROS and mitochondrial membrane potential (MMP) levels treated with various concentrations of BHX were analysed...
January 16, 2018: Cell Proliferation
Bryan Brinda, Irum Khan, Brian Parkin, Heiko Konig
Acute myeloid leukaemia (AML) is a malignant disorder of the myeloid blood lineage characterized by impaired differentiation and increased proliferation of hematopoietic precursor cells. Recent technological advances have led to an improved understanding of AML biology but also uncovered the enormous cytogenetic and molecular heterogeneity of the disease. Despite this heterogeneity, AML is mostly managed by a 'one-size-fits-all' approach consisting of intensive, highly toxic induction and consolidation chemotherapy...
January 12, 2018: Journal of Cellular and Molecular Medicine
Andrzej Lange, Emilia Jaskula, Janusz Lange, Grzegorz Dworacki, Dorota Nowak, Aleksandra Simiczyjew, Monika Mordak-Domagala, Mariola Sedzimirska
We studied three FLT3 ITD acute myeloid leukemia (AML) patients who relapsed after allogeneic haematopoietic stem cell transplantation (alloHSCT) and received multikinase inhibitor (MKI) sorafenib as part of salvage therapy. MKI was given to block the effect of FLT3 ITD mutation which powers proliferation of blast cells. However, the known facts that sorafenib is more effective in patents post alloHSCT suggested that this MKI can augment the immune system surveillance on leukaemia. In the present study, we investigated in depth the effect of sorafenib on the alloreactivity seen post-transplant including that on leukaemia...
2018: PloS One
Loukman Omarjee, Vincent Jaquinandi, Guillaume Mahe
Spondylarthritis (SpA) is an inflammatory rheumatic disease associated with increased incidence of major adverse cardiovascular events (MACEs). Recently, Paramarta et al. proposed the use of the tyrosine kinase inhibitor Nilotinib in Spondyloarthritis to target certain inflammatory pathways. However, Nilotinib, which is highly effective for the treatment of patients with chronic myeloid leukaemia (CML), is also associated with an increased risk of MACEs. The authors suggest that Nilotinib may be effective in peripheral SpA by modulating inflammation, but not in axial SpA...
December 15, 2017: Journal of Translational Medicine
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