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https://www.readbyqxmd.com/read/28938676/risk-factors-for-mortality-from-pneumocystis-carinii-pneumonia-pcp-in-non-hiv-patients-a-meta-analysis
#1
Yao Liu, Lili Su, Shu-Juan Jiang, Hui Qu
The number of patients with non-human immunodeficiency virus (HIV) related pneumocystis carinii pneumonia (PCP) is increasing with widespread immunosuppressive treatment. We performed a meta-analysis to describe the clinical characteristics and factors associated with outcomes of PCP in HIV-negative patients. A total of 13 studies including 867 patients with non-HIV related PCP was included. The overall mortality for non-HIV patients with PCP was 30.6%. The most common underlying disorder for the development of PCP is hematological malignancies (29...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28933777/generation-and-use-of-a-humanized-bone-marrow-ossicle-niche-for-hematopoietic-xenotransplantation-into-mice
#2
Andreas Reinisch, David Cruz Hernandez, Katharina Schallmoser, Ravindra Majeti
Xenotransplantation is frequently used to study normal and malignant hematopoiesis of human cells. However, conventional mouse xenotransplantation models lack essential human-specific bone-marrow (BM)-microenvironment-derived survival, proliferation, and self-renewal signals for engraftment of normal and malignant blood cells. As a consequence, many human leukemias and other hematologic disorders do not robustly engraft in these conventional models. Here, we describe a complete workflow for the generation of humanized ossicles with an accessible BM microenvironment that faithfully recapitulates normal BM niche morphology and function...
October 2017: Nature Protocols
https://www.readbyqxmd.com/read/28927137/atypical-chronic-myeloid-leukemia-with-isochromosome-x-p10-a-case-report
#3
Masahide Yamamoto, Sayaka Suzuki, Jun-Ichi Mukae, Keisuke Tanaka, Ken Watanabe, Gaku Oshikawa, Tetsuya Fukuda, Naomi Murakami, Osamu Miura
Atypical chronic myeloid leukemia (aCML) is a rare subtype of myelodysplastic/myeloproliferative neoplasm (MDS/MPN). Although recurrent chromosomal and genetic abnormalities are frequently observed in aCML, none are specific to this type of leukemia. The present study reported a case of aCML associated with i(X)(p10), a rare recurrent chromosomal abnormality of hematological malignancy. A 40-year-old female was referred to the Tokyo Medical and Dental University Hospital (Tokyo, Japan) due to slight leukocytosis and anemia...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926288/effect-of-inpatient-palliative-care-during-hematopoietic-stem-cell-transplant-on-psychological-distress-6-months-after-transplant-results-of-a-randomized-clinical-trial
#4
Areej El-Jawahri, Lara Traeger, Joseph A Greer, Harry VanDusen, Sarah R Fishman, Thomas W LeBlanc, William F Pirl, Vicki A Jackson, Jason Telles, Alison Rhodes, Zhigang Li, Thomas R Spitzer, Steven McAfee, Yi-Bin A Chen, Jennifer S Temel
Purpose Inpatient palliative care integrated with transplant care improves patients' quality of life (QOL) and symptom burden during hematopoietic stem-cell transplant (HCT). We assessed patients' mood, post-traumatic stress disorder (PTSD) symptoms, and QOL 6 months post-transplant. Methods We randomly assigned 160 patients with hematologic malignancies who underwent autologous or allogeneic HCT to inpatient palliative care integrated with transplant care (n = 81) or transplant care alone (n = 79). At baseline and 6 months post-transplant, we assessed mood, PTSD symptoms, and QOL with the Hospital Anxiety and Depression Scale and Patient Health Questionnaire, PTSD checklist, and Functional Assessment of Cancer Therapy-Bone Marrow Transplant...
September 19, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28923207/eviction-from-the-sanctuary-development-of-targeted-therapy-against-cell-adhesion-molecules-in-acute-lymphoblastic-leukemia
#5
REVIEW
Sonali P Barwe, Anthony Quagliano, Anilkumar Gopalakrishnapillai
Acute lymphoblastic leukemia (ALL) is a malignant hematological disease afflicting hematopoiesis in the bone marrow. While 80%-90% of patients diagnosed with ALL will achieve complete remission at some point during treatment, ALL is associated with high relapse rate, with a 5-year overall survival rate of 68%. The initial remission failure and the high rate of relapse can be attributed to intrinsic chemoprotective mechanisms that allow persistence of ALL cells despite therapy. These mechanisms are mediated, at least in part, through the engagement of cell adhesion molecules (CAMs) within the bone marrow microenvironment...
April 2017: Seminars in Oncology
https://www.readbyqxmd.com/read/28922466/blinatumomab-pharmacodynamics-and-exposure-response-relationships-in-relapsed-refractory-acute-lymphoblastic-leukemia
#6
Min Zhu, Andrea Kratzer, Jessica Johnson, Chris Holland, Christian Brandl, Indrajeet Singh, Andreas Wolf, Sameer Doshi
We evaluated blinatumomab pharmacokinetics, pharmacodynamics (CD3+ T-cell, CD19+ B-cell, and cytokine levels), and their associations with efficacy or safety in relapsed/refractory acute lymphoblastic leukemia. Blinatumomab pharmacokinetics (continuous intravenous infusion) from a phase 2 study (n = 189; NCT01466179) were assessed noncompartmentally. Associations between steady-state concentration (Css ) and efficacy (complete remission [CR] or CR with partial hematologic recovery [CRh]) or safety (cytokine release syndrome [CRS] and neurologic events [NEs]) were evaluated with statistical models...
September 18, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28921865/extramedullary-hematopoiesis-a-new-feature-of-inherited-thrombocytopenias
#7
Carlo Zaninetti, Federica Melazzini, Giorgio A Croci, Emanuela Boveri, Carlo L Balduini
Most commonly located in liver and spleen, extramedullary hematopoiesis (EMH) is the presence of hematopoietic tissue outside the bone marrow. MYH9-related thrombocytopenia (MYH9-RD) and ANKRD26-related thrombocytopenia (ANKRD26-RT) are two of the most frequent form of inherited thrombocytopenia (IT). Until recently, EMH has been associated with neoplastic and non-neoplastic hematologic conditions in which ITs were not included. We describe a case of mass-like EMH in the presacral space in a patient affected with ANKRD26-RT, comparing it with another case of paravertebral EMH we recently described in a subject with MYH9-RD...
September 16, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28919910/chloroma-of-the-testis-in-a-patient-with-a-history-of-acute-myeloid-leukemia
#8
Mohammad Hossein Sanei, Matin Shariati
Chloroma, or granulocytic sarcoma, is a rare extramedullary solid hematologic cancer, found concomitant with acute myeloid leukemia. It is infrequently associated with other myeloproliferative disorders or chronic myelogenous leukemia. Chloroma of the testis after allogeneic bone marrow transplantation is particularly sparsely represented in the literature. It is suggested that an appropriate panel of marker studies be performed along with clinical correlation and circumspection to avoid misleading conclusions...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28916148/chemokine-receptor-directed-imaging-and-therapy
#9
REVIEW
Andreas K Buck, Antje Stolzenburg, Heribert Hänscheid, Andreas Schirbel, Katharina Lückerath, Margret Schottelius, Hans-Jürgen Wester, Constantin Lapa
The C - X - C chemokine receptor 4 (CXCR4) and its natural ligand CXCL12 are key factors in the process of cell migration, homing of hematopoietic stem cells to the bone marrow, and represent important mediators of angiogenesis and cell proliferation. The CXCR4/CXCL12 interplay can be disrupted by CXCR4 antagonists such as Plerixafor which are already in daily clinical use, i.e. for mobilization and subsequent harvesting of hematopoietic progenitor cells and stem cell transplantation. In a pathological condition, involvement in the process of metastasis and homing of cancer cells to a protective niche has been described, making CXCR4 an attractive target for imaging and treatment of malignant diseases...
September 12, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28912884/towards-translational-immunopet-mr-imaging-of-invasive-pulmonary-aspergillosis-the-humanised-monoclonal-antibody-jf5-detects-aspergillus-lung-infections-in-vivo
#10
Genna Davies, Anna-Maria Rolle, Andreas Maurer, Philipp R Spycher, Claudia Schillinger, Djamschid Solouk-Saran, Mike Hasenberg, Juliane Weski, Jesper Fonslet, Adrien Dubois, Frederic Boschetti, Franck Denat, Matthias Gunzer, Martin Eichner, Lauren S Ryder, Mikael Jensen, Roger Schibli, Bernd J Pichler, Stefan Wiehr, Christopher R Thornton
Invasive pulmonary aspergillosis (IPA) is a life-threatening lung disease of hematological malignancy or bone marrow transplant patients caused by the ubiquitous environmental fungus Aspergillus fumigatus. Current diagnostic tests for the disease lack sensitivity as well as specificity, and culture of the fungus from invasive lung biopsy, considered the gold standard for IPA detection, is slow and often not possible in critically ill patients. In a previous study, we reported the development of a novel non-invasive procedure for IPA diagnosis based on antibody-guided positron emission tomography and magnetic resonance imaging (immunoPET/MRI) using a [(64)Cu]DOTA-labeled mouse monoclonal antibody (mAb), mJF5, specific to Aspergillus...
2017: Theranostics
https://www.readbyqxmd.com/read/28906207/high-absolute-basophil-count-is-a-powerful-independent-predictor-of-inferior-overall-survival-in-patients-with-primary-myelofibrosis
#11
Marko Lucijanic, Ana Livun, Tajana Stoos-Veic, Vlatko Pejsa, Ozren Jaksic, David Cicic, Jelena Lucijanic, Zeljko Romic, Biserka Orehovec, Gorana Aralica, Marko Miletic, Rajko Kusec
OBJECTIVES: To investigate the clinical and prognostic significance of absolute basophil count (ABC) in patients with primary myelofibrosis (PMF). METHODS: We retrospectively investigated 58 patients with PMF treated in our institution in the period from 2006 to 2017. ABC was obtained in addition to other hematological and clinical parameters. Patients were separated into high and low ABC groups using the Receiver operating characteristic curve analysis. RESULTS: ABC was higher in PMF patients than in healthy controls (P < 0...
September 14, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28903619/the-volume-of-pet-defined-active-bone-marrow-spared-predicts-acute-hematologic-toxicities-in-anal-cancer-patients-receiving-concurrent-chemoradiotherapy
#12
Christopher Freese, Mickaela Sudhoff, Luke Lewis, Michael Lamba, Jordan Kharofa
No abstract text is available yet for this article.
September 13, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28903575/diagnostic-tools-of-waldenstr%C3%A3-ms-macroglobulinemia-best-possibilities-for-non-invasive-and-long-term-disease-monitoring
#13
K Growkova, Z Kufová, T Sevcikova, J Filipová, M Kascak, T Jelínek, S Grosicki, A Barchnicka, Ľ Roziaková, M Mistrík, M Simicek, R Hájek
Waldenströms macroglobulinemia (WM) is a B-cell malignancy characterized by high level of monoclonal immunoglobulin M (IgM) paraprotein in blood serum and associated with the bone marrow infiltration by malignant cells with lymphoplasmacytic differentiation. WM remains incurable advances in therapy. Most of WM cases are associated with a somatic point mutation L265P in MYD88. Significantly higher risk of progression from the IgM monoclonal gammopathy of undetermined significance (IgM MGUS) to WM for patients with mutated MYD88 gene suggests that this mutation is an early oncogenic event and plays a central role in development of malignant clones...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28902958/nonregenerative-immune-mediated-anemia-associated-with-a-diffuse-large-b-cell-lymphoma-in-a-captive-jaguar-panthera-onca
#14
Monika A Keresztes, Manfred Henrich, Penelope Baloi, Sascha Gerst, Jens-Christian Rudnick, Judith Langenstein, Andreas Moritz, Natali Bauer
An 18-year-old male castrated jaguar (Panthera onca) was presented with anorexia and continuous bleeding from the oral cavity after a history of fighting with the partner animal. Clinical evaluation revealed ulcerating lesions on the gingiva and hard palate and a hematoma on the tongue. Computed tomography of the head and endoscopic examination of the esophagus and stomach were unremarkable. Hematology and clinical chemistry revealed severe nonregenerative anemia, mild thrombocytopenia, and moderate azotemia...
September 13, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28901251/case-report-severe-hematological-muscle-and-liver-toxicity-caused-by-drugs-and-artichoke-infusion-interaction-in-an-elderly-polymedicated-patient
#15
M G Campos, J Machado, M L Costa, S Lino, F Correia, F Maltez
Case report, in a patient with a history of diabetes and hypertension, treated with metformin, gliclazide, enalapril + hydrochlorothiazide, amlodipine, aspirin and diazepam, recently medicated for a gouty crisis with colchicine and clonixin without improvement. Believing it could help in the treatment of gouty crisis symptoms he took about 1.5 L of artichoke infusion (Cynara cardunculus). He felt better and did agriculture work but developed a distal muscle pain, severe anemia, standard biochemical liver cholestasis, increase of alkaline phosphatase and marked increase of inflammatory parameters (hyperleucocytosis) and enters in the emergency department at the hospital...
September 12, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28894565/hematological-characteristics-of-yemeni-adults-and-children-with-visceral-leishmaniasis-could-eosinopenia-be-a-suspicion-index
#16
Jameel Al-Ghazaly, Waled Al-Dubai, Munasser Abdullah, Leila Al-Gharasi
BACKGROUND AND OBJECTIVES: Delay in the diagnosis of visceral leishmaniasis (VL) particularly in non-endemic areas is associated with higher mortality. In our experience, we found that marked bone marrow eosinopenia was a very frequent accompaniment of VL and might be a useful clue for the diagnosis, which indicates the opportunity for further morphological assessment. The aim of this study was to describe the hematological characteristics including peripheral blood and bone marrow findings of Yemeni adults and children with VL...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28885352/successful-5-azacytidine-treatment-of-myeloid-sarcoma-and-leukemia-cutis-associated-with-myelodysplastic-syndrome-a-case-report-and-literature-review
#17
REVIEW
Takayuki Katagiri, Takashi Ushiki, Masayoshi Masuko, Tomoyuki Tanaka, Shukuko Miyakoshi, Kyoko Fuse, Yasuhiko Shibasaki, Jun Takizawa, Sadao Aoki, Hirohito Sone
RATIONALE: Myeloid sarcoma (MS) and leukemia cutis (LC) are extramedullary tumors comprising myeloid blasts. They can occur de novo or concurrently with hematological disorders, usually acute myeloid leukemia (AML). AML chemotherapy is generally the initial therapy for MS and LC, and hematopoietic stem cell transplantation (HSCT) can be considered as additional therapy. However, treatment for older patients who are unable to continue intensive chemotherapy is not currently standardized...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28879704/a-case-of-cutaneous-involvement-in-t-lymphoblastic-lymphoma-leukemia
#18
Ling Zhang, Yunxin Zeng, Na Cheng, Xiaoyun Liu, Xiaoqing Li, Bing Long, Dongjun Lin
BACKGROUND: Cutaneous involvement is more prevalent in B lymphoblastic lymphoma (B-LBL) than T lymphoblastic lymphoma (T-LBL). The authors describe a rare case of cutaneous involvement in a 25-year-old woman with T lymphoblastic lymphoma leukemia. METHODS: Hematologic investigation, bone marrow aspirate and biopsy, cytogenetic analysis and cutaneous lesion biopsy were performed. RESULTS: The patient achieved complete remission after induction therapy with the regimen of CHOEP + P, then received another CHOEP + P regimen...
September 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28879584/adverse-event-profile-of-pyrimethamine-based-therapy-in-toxoplasmosis-a-systematic-review
#19
REVIEW
Ruben R Ben-Harari, Elizabeth Goodwin, Julio Casoy
INTRODUCTION: Approximately a third of the population worldwide is chronically infected with Toxoplasma gondii. Pyrimethamine-based regimens are recommended for the treatment of toxoplasmosis. OBJECTIVE: The aim was to evaluate the safety profile of pyrimethamine-based treatment for the three main Toxoplasma manifestations: toxoplasmic encephalitis (TE), ocular toxoplasmosis, and congenital toxoplasmosis. METHODS: PubMed, Cochrane Library, and Google Scholar databases were searched through August 1, 2016...
September 6, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28875933/lncrna-requirements-for-mouse-acute-myeloid-leukemia-and-normal-differentiation
#20
M Joaquina Delás, Leah R Sabin, Egor Dolzhenko, Simon Rv Knott, Ester Munera Maravilla, Benjamin T Jackson, Sophia A Wild, Tatjana Kovacevic, Eva Maria Stork, Meng Zhou, Nicolas Erard, Emily Lee, David R Kelley, Mareike Roth, Ine S Am Barbosa, Johannes Zuber, John L Rinn, Andrew D Smith, Gregory J Hannon
A substantial fraction of the genome is transcribed in a cell type-specific manner, producing long non-coding RNAs (lncRNAs), rather than protein-coding transcripts. Here we systematically characterize transcriptional dynamics during hematopoiesis and in hematological malignancies. Our analysis of annotated and de novo assembled lncRNAs showed many are regulated during differentiation and mis-regulated in disease. We assessed lncRNA function via an in vivo RNAi screen in a model of acute myeloid leukemia. This identified several lncRNAs essential for leukemia maintenance, and found that a number act by promoting leukemia stem cell signatures...
September 6, 2017: ELife
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