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American Journal of Blood Research

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https://www.readbyqxmd.com/read/30038842/comparison-of-dna-demethylating-and-histone-deacetylase-inhibitors-hydralazine-valproate-versus-vorinostat-decitabine-incutaneous-t-cell-lymphoma-in-hut78-cells
#1
Alejandro Schcolnik-Cabrera, Guadalupe Domínguez-Gómez, Alfonso Dueñas-González
PURPOSE: Cutaneous T-cell lymphoma (CTCL) is an uncommon extranodal non-Hodgkin T-cell lymphoma that originates from mature T lymphocytes homed at the skin. Epigenetic alterations observed in CTCL are not limited to overexpression of Histone Deacetylases but also to DNA hypermethylation. The known synergy between Histone deacetylase inhibitors (HDACi) and DNA methyltransferases inhibitors (DNMTi) suggests that combining these agent classes could be effective for CTCL. METHODS: In this study, the combinations of the HDACi and DNMTi hydralazine/valproate (HV) and vorinostat/decitabine (VD) were compared in regard to viability inhibition, clonogenicity, pharmacological interaction and cell cycle effects in the CTCL cell line Hut78...
2018: American Journal of Blood Research
https://www.readbyqxmd.com/read/29755835/trisomy-6-as-the-sole-stemline-abnormality-in-a-patient-with-acute-monocytic-leukemia-a-case-report
#2
Masahiro Manabe, Reiko Asada, Yuji Hagiwara, Dai Momose, Yasuyoshi Sugano, Takeshi Mazaki, Ki-Ryang Koh
It is rare for trisomy 6 to occur as the sole autosomal anomaly in hematological malignancies, but this finding has been reported to be associated with a hypoplastic bone marrow. We report the case of a 75-year-old male with acute monocytic leukemia, in which trisomy 6 was detected as the sole stemline abnormality. We also summarize the 26 published cases of acute myeloid leukemia involving isolated trisomy 6.
2018: American Journal of Blood Research
https://www.readbyqxmd.com/read/29181264/evaluation-of-bone-mineral-density-and-related-parameters-in-patients-with-haemophilia-a-single-center-cross-sectional-study
#3
Hatice Demet Kiper Unal, Melda Comert Ozkan, Fatos Dilan Atilla, Zuhal Demirci, Nur Soyer, Ilgin Yildirim Simsir, Ozgur Omur, Kazim Capaci, Guray Saydam, Fahri Sahin
Haemophilia has been associated with low bone mineral density (BMD) probably due to some predisposing factors. The aim of this study was to evaluate the relationship between BMD and potential clinical predictors in adult haemophilic patients. Fortynine patients with moderate and severe haemophilia were enrolled. BMD was measured by Dual Energy X-Ray Absorptiometry (DXA) and blood tests were performed for vitamin D, calcium, phosphore, alkaline phosphatase and parathormone levels. Functional Independence Score in Haemophilia (FISH) and Haemophilia Joint Health Score (HJHS) were used to assess musculoskeletal functions...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/29181263/cytogenetic-study-is-not-essential-in-patients-with-aplastic-anemia
#4
Atreyee Dutta, Rajib De, Tuphan K Dolai, Pradip K Mitra, Ajanta Halder
Depending on contemporary treatment approach of aggressive immunosuppression, Aplastic Anemia (AA) is caused by immunological destruction of otherwise normal hematopoietic stem cells. The aim was to summarize the cytogenetic abnormalities in AA patients and the frequency of Fanconi Anemia (FA) in morphologically normal AA patients in eastern India. Ethical clearances were obtained from both institutions involved in this study. Out of 72800 patients attending the outpatient department, 520 pancytopenia patients were screened for AA after Bone marrow (BM) aspiration and biopsy...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28804681/luminol-amplified-chemiluminescence-detects-mainly-superoxide-anion-produced-by-human-neutrophils
#5
Samia Bedouhène, Farida Moulti-Mati, Margarita Hurtado-Nedelec, Pham My-Chan Dang, Jamel El-Benna
Reactive oxygen species (ROS) are produced by numerous biological systems and by several phagocytes such as neutrophils and macrophages. ROS include mostly superoxide anion, hydrogen peroxide, singlet oxygen and hydroxyl radical, which are involved in a variety of biological processes such as immunity, inflammation, apoptosis and cell signaling. Thus, there is a need for a sensitive and reliable method to measure ROS. The luminol-amplified chemiluminescence technique is widely used to measure ROS production by neutrophils; however, it is unclear which ROS species are detected by this technique...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28804680/treatment-of-older-patients-with-acute-myeloid-leukemia-aml-revised-canadian-consensus-guidelines
#6
REVIEW
Joseph M Brandwein, Nancy Zhu, Rajat Kumar, Brian Leber, Mitchell Sabloff, Irwindeep Sandhu, Jeannine Kassis, Harold J Olney, Mohamed Elemary, Andre C Schuh
The treatment of acute myeloid leukemia (AML) in older patients is undergoing rapid changes, with a number of important publications in the past five years. Because of this, a group of Canadian leukemia experts has produced an update to the Canadian Consensus Guidelines that were published in 2013, with several new agents recommended, subject to availability. Recent studies have supported the survival benefit of induction chemotherapy for patients under age 80, except those with major co-morbidities or those with adverse risk cytogenetics who are not candidates for allogeneic hematopoietic stem cell transplantation (HSCT)...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28690918/erratum-efficacy-and-safety-of-clairyg%C3%A2-a-ready-to-use-intravenous-immunoglobulin-in-adult-patients-with-primary-immune-thrombocytopenia
#7
Borhane Slama, Olivier Fain, Hervé Maisonneuve, Eric Jourdan, Jean-François Viallard, Rabye Ouaja, Ousmane Alfa-Cissé, Bertrand Godeau
[This corrects the article on p. 1 in vol. 7, PMID: 28203488.].
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28690917/factors-affecting-the-body-mass-index-haemoglobin-and-serum-ferritin-level-in-students
#8
Niaz Hussain Jamali, Abdul Hakeem Jamali, Aftab Ahmed Khand, Hidayatullah Mahesar, Muhammad Iqbal Arain
Ferritin is a protein found in reticuloendothelial system and does not work only as a mid-size protein during Hemoglobin synthesis but also as storage protein for iron delivery. This cross sectional study was conducted in District Shaheed Benazirabad during the period of August 2015 to March 2016, for obtaining credible and consolidated data. In present study we investigated BMI, Hb and S.f level with relation to socioeconomic status in children and adults from total 2040 volunteers (girls n=991, boys n=1049)...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28533926/concomitant-lymphoplasmacytic-lymphoma-and-plasma-cell-myeloma-a-diagnostic-challenge
#9
Ahmad T Mansour, Alaleh Esmaeili Shandiz, Michelle K Zimmerman, Trenton D Roth, Jiehao Zhou
BACKGROUND: Lymphoplasmacytic lymphoma and plasma cell myeloma are two B cell lymphoproliferative neoplasms derived from mature B-lymphocytes in different differentiation stages. The coexistence of these two tumors in the same patient is exceedingly rare and can be difficult to diagnose. CASE PRESENTATION: A 76-year-old male presented with a pathologic fracture after a fall. Radiography showed a lytic lesion in the pelvis. Serum immunofixation showed distinct IgM kappa and IgA kappa monoclonal protein bands...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28203488/efficacy-and-safety-of-clairyg-%C3%A2-a-ready-to-use-intravenous-immunoglobulin-in-adult-patients-with-primary-immune-thrombocytopenia
#10
Borhane Slama, Olivier Fain, Hervé Maisonneuve, Eric Jourdan, Jean-François Viallard, Rabye Ouaja, Ousmane Alfa-Cissé, Bertrand Godeau
PURPOSE: The present study was designed to assess the efficacy and safety of IGNG that is a new liquid, saccharose and maltose-free highly purified ready-to-use 5% intravenous immunoglobulin (IVIg), in primary immune thrombocytopenic patients with severe thrombocytopenia. METHODS: Nineteen adults with a platelet count ≤ 25 × 109 /L received a single dose of IGNG (1 g/kg) on Day 1, with a second identical dose on Day 3 if needed. Patients were followed for 30 days...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/27679741/ddx6-transfers-p-tefb-kinase-to-the-af4-af4n-aff1-super-elongation-complex
#11
Fabian Mück, Silvia Bracharz, Rolf Marschalek
AF4/AFF1 and AF5/AFF4 are both backbones for the assembly of "super elongation complexes" (SECs) that exert 2 distinct functions after the recruitment of P-TEFb from the 7SK snRNP: (1) initiation and elongation of RNA polymerase II gene transcription, and (2) modification of transcribed gene regions by distinct histone methylation patterns. In this study we aimed to investigate one of the initial steps, namely how P-TEFb is transferred from 7SK snRNPs to the SECs. In particular, we were interested in the role of DDX6 that we have recently identified as part of the AF4 complex...
2016: American Journal of Blood Research
https://www.readbyqxmd.com/read/27570707/pesg-pnh-diagnosis-follow-up-and-treatment-guidelines
#12
REVIEW
Fahri Sahin, Olga Meltem Akay, Mesut Ayer, Mehmet Sinan Dal, Sehmus Ertop, Osman Ilhan, Volkan Karakus, Mehmet Ali Ozcan, Vildan Ozkocaman, Hayri Ozsan, Ozan Salim, Mahmut Tobu, Anil Tombak, Tulin Firatli Tuglular, Mehmet Yilmaz, Ali Unal, Mustafa Nuri Yenerel, Guray Saydam
PNH Education and Study Group (PESG) have been established in December 2013 as a non-profit, independent, medical organization www.pesg.org. Paroxysmal Nocturnal Hemoglobinuria (PNH) is a multi-systemic disease that should be treated with a multidisciplinary approach. Patients may apply to the clinics other than the hematology due to variability and diversity of clinical findings which lower the rate of diagnosis due to low awareness about PNH. PNH might be overlooked and diagnosis might be delayed. Regarding these, PESG was established with the collaboration of Immunology, Cardiology, Thorax Diseases (Pulmonology), Neurology, Gastroenterology, General Surgery and Urology specialists in addition to hematologists dealing with PNH...
2016: American Journal of Blood Research
https://www.readbyqxmd.com/read/27335686/maytansinoid-immunoconjugate-imgn901-is-cytotoxic-in-a-three-dimensional-culture-model-of-multiple-myeloma
#13
Brittany A Nierste, Ellen J Gunn, Kathleen R Whiteman, Robert J Lutz, Julia Kirshner
Environmental-mediated drug-resistance (EM-DR) presents a major challenge for therapeutic development. Tissue microenvironment in the form of extracellular matrix, soluble factors, and stroma contribute to EM-DR. In multiple myeloma (MM), drug-resistance has hindered treatment success with 5-year survival rates remaining <50%. Here we evaluated IMGN901, a maytansinoid immunoconjugate, for its ability to overcome EM-DR alone or in combination with lenalidomide or dexamethasone. We show that while adhesion of MM cells to the extracellular matrix reduces potency of IMGN901, it remains cytotoxic with an average LC50=43 nM...
2016: American Journal of Blood Research
https://www.readbyqxmd.com/read/27335685/methotrexate-associated-primary-cutaneous-cd30-positive-cutaneous-t-cell-lymphoproliferative-disorder-a-case-illustration-and-a-brief-review
#14
Wederson M Claudino, Bradley Gibson, William Tse, Maxwell Krem, Jaspreet Grewal
Methotrexate (MTX) is a commonly used anti-metabolite agent. Increased risk of lymphoproliferative disorders (LPD) in patients with rheumatoid arthritis (RA) has been documented with the prolonged use of immunosuppressive medications such as MTX. This is thought to be the result of immune dysregulation and/or chronic immune stimulation. Most cases of LPDs regress following withdrawal of the offending immunosuppressive agent. We present an interesting and rare case of CD30 and EBV positive CD8 primary cutaneous anaplastic large cell lymphoma (PC-ALCL) in a 66-year-old African American woman...
2016: American Journal of Blood Research
https://www.readbyqxmd.com/read/27069759/red-cell-parameters-in-infant-and-children-from-the-arabian-peninsula
#15
Lolowa A Al Mekaini, Srdjan Denic, Omar N Al Jabri, Hassib Narchi, Abdul-Kader Souid, Suleiman Al-Hammadi
α+-Thalassemia trait and iron deficiency anemia are frequent causes of microcytosis and a common diagnostic challenge in Arabian children. In this study, their prevalences and effects on the red cell parameters were evaluated in 28,457 children aged one day to 6 years. α+-Thalassemia trait was considered to be present when mean cell volume (MCV) was <94 fL at birth and iron deficiency anemia when red cell distribution width (RDW) was >14.5%. The prevalence of α+-thalassemia trait was 15.7% (502/3,191), which was similar to previously reported values for adults (9-14%)...
2015: American Journal of Blood Research
https://www.readbyqxmd.com/read/27069758/evaluation-of-immunomodulatory-drugs-in-multiple-myeloma-single-center-experience
#16
Melda Comert Ozkan, Murat Tombuloglu, Fahri Sahin, Guray Saydam
OBJECTIVE: Multiple myeloma (MM) comprises 1% of all cancers and 10% of hematologic malignancies and known as an incurable disease. The introduction of immunomodulatory drugs (IMiDs) has brought a major shift in therapeutic paradigm in the treatment of newly diagnosed and relapsed/refractory MM patients. The aim of this study was to evaluate the relationship between response status and hematological parameters in patients with MM treated with thalidomide or lenalidomide. METHODS: Sixty-eight patients who were treated with IMiDs in Ege University, School of Medicine, Department of Hematology, between 2005 and 2012, were evaluated, retrospectively...
2015: American Journal of Blood Research
https://www.readbyqxmd.com/read/27069757/therapy-related-myelodysplastic-syndrome-a-case-study
#17
Masahiro Manabe, Katsuya Wada, Dai Momose, Yasuyoshi Sugano, Masayuki Hino, Takahisa Yamane, Eiwa Ishida, Ki-Ryang Koh
We present a case of therapy-related myelodyspastic syndrome in which the t(3;8)(q26;q24) translocation appeared, even though no chromosomal abnormalities were found at the initial diagnosis of acute myeloid leukemia. To the best of our knowledge, there have only been around 20 reported cases of myeloid malignancies involving t(3;8)(q26;q24). We discuss the characteristics of t(3;8)(q26;q24) along with a review of literature.
2015: American Journal of Blood Research
https://www.readbyqxmd.com/read/27069756/a-nationwide-non-interventional-epidemiological-data-registry-on-myelodysplastic-syndromes-in-lebanon
#18
Zaher K Otrock, Nabil Chamseddine, Ziad M Salem, Tarek Wehbe, Mouna Al-Ayoubi, Moussa Dhaini, Joseph Kattan, Walid Mokaddem, Therese Abi Nasr, Oussama Jradi, Fadi S Farhat, Mahmoud Wehbe, Mohammad H Haidar, Mohamed A Kharfan-Dabaja, Nizar Bitar, Mirna El Hajj, Adel M Kadri, Francois G Kamar, Hanan Yassine, Hassan Khodr, Ali T Taher, Noha Hakime, Rami Ar Mahfouz, Wassim Serhal, Ali Bazarbachi, Hussein Z Farhat
Myelodysplastic syndromes (MDS) are a heterogeneous group of clonal hematopoietic disorders characterized by peripheral blood cytopenias, blood cells dysplasia, and increased risk for progression to acute leukemia.Physicians should be vigilant in diagnosing MDS and should be aware of the contemporary therapies that are always in progress. Most of the data on MDS epidemiology and management comes from developed countries. The incidence and features of MDS in the Arab countries, among them Lebanon, are not known...
2015: American Journal of Blood Research
https://www.readbyqxmd.com/read/27069755/clinical-grade-isolation-of-regulatory-t-cells-from-g-csf-mobilized-peripheral-blood-improves-with-initial-depletion-of-monocytes
#19
Pritesh Patel, Dolores Mahmud, Youngmin Park, Kazumi Yoshinaga, Nadim Mahmud, Damiano Rondelli
Clinical isolation of circulating CD4(+)CD25(+) regulatory T cells (Tregs) from peripheral blood mononuclear cells is usually performed by CD4(+) cell negative selection followed by CD25(+) cell positive selection. Although G-CSF mobilized peripheral blood (G-PBSC) contains a high number of Tregs, a high number of monocytes in G-PBSC limits Treg isolation. Using a small scale device (MidiMACS, Miltenyi) we initially demonstrated that an initial depletion of monocytes would be necessary to obtaina separation of CD4(+)CD25(+)FoxP3(+)CD127(-) cells from G-PBSC (G-Tregs) with a consistent purity >70% and inhibitory activity of T cell alloreactivity in-vitro...
2015: American Journal of Blood Research
https://www.readbyqxmd.com/read/27069754/fixed-nuclei-as-alternative-template-of-biomed-2-multiplex-polymerase-chain-reaction-for-immunoglobulin-gene-clonality-testing-in-b-cell-malignancies
#20
Yuan Tang, Jie Chen, Jianchao Wang, Ke Zheng, Dianying Liao, Xiaomei Liao, Weiping Liu, Lin Wang
Evaluation of immunoglobulin (Ig) gene rearrangements with BIOMED-2 multiplex PCR has become a standard detection of clonality in mature B cell malignancies. Conventionally, this method is relatively labor-intensive and time-consuming, as it requires DNA isolation from bone marrow aspirates (BM) or peripheral blood (PB) in patients with BM or PB involvement. On the other hand, fluorescence in situ hybridization (FISH) is routinely used as genetic screening in B cell malignancies, but the surplus fixed nuclei initially prepared for FISH usually turn useless afterwards...
2015: American Journal of Blood Research
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