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International Journal of Hematology

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https://www.readbyqxmd.com/read/28324281/detection-of-minimal-residual-disease-in-childhood-b-acute-lymphoblastic-leukemia-by-4-color-flowcytometry
#1
Ahmad Baraka, Laila M Sherief, Naglaa M Kamal, Shereen El Shorbagy
Monitoring of minimal residual disease (MRD) is currently considered the most powerful predictor of outcome in acute lymphoblastic leukemia (ALL). Achievement of a negative MRD state assessed by multicolor flowcytometry (MFC) is an important predictor of disease-free survival (DFS) and overall survival (OS) in ALL patients. We sought to determine whether panels of antibodies combination are more suitable for detection of MRD in Childhood ALL. Eighty-four (84) patients with ALL (B-lineage subtype) were enrolled in this study...
March 21, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28324280/fragility-of-sub-cellular-structures-in-chronic-lymphocytic-leukemia
#2
LETTER
Ben-Zion Katz, Yair Herishanu
No abstract text is available yet for this article.
March 21, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28316065/identification-of-key-genes-and-construction-of-microrna-mrna-regulatory-networks-in-multiple-myeloma-by-integrated-multiple-geo-datasets-using-bioinformatics-analysis
#3
Hongyu Gao, Huihan Wang, Wei Yang
Multiple myeloma (MM) is a common hematological malignancy. To identify key genes and microRNAs in MM, we downloaded two gene expression profiles (GSE16558 and GSE47552) and two microRNA expression profiles (GSE17498 and GSE16558) from the Gene Expression Omnibus (GEO) database. A total of 596 differentially expressed genes (DEGs) and 39 differentially expressed microRNAs (DEMs) were screened out. Pathway analysis showed that upregulated genes were mainly enriched in the "B cell receptor signaling pathway", "Cell cycle" and "NF-kappa B signaling pathway", whereas downregulated genes were mainly enriched in the "Ribosome", "FoxO signaling pathway" and "p53 signaling pathway"...
March 18, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28303518/potentially-life-threatening-coagulopathy-associated-with-simultaneous-reduction-in-coagulation-and-fibrinolytic-function-in-pediatric-acute-leukemia-after-hematopoietic-stem-cell-transplantation
#4
Takashi Ishihara, Keiji Nogami, Tomoko Matsumoto, Akitaka Nomura, Yasufumi Takeshita, Satoshi Ochi, Midori Shima
The pathogenesis of sinusoidal obstruction syndrome (SOS) and thrombotic microangiopathy (TMA) after hematopoietic stem cell transplantation (HSCT) is poorly understood, and limited information is available on global hemostatic function in HSCT. We assessed changes in coagulation and fibrinolysis using a simultaneous thrombin and plasmin generation assay (T/P-GA) during HSCT. Measurements of endogenous thrombin potential (T-EP) and plasmin peak height (P-Peak) using T/P-GA in six pediatric acute leukemia patients treated with HSCT were compared to normal plasma...
March 16, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28303517/vascular-and-perivascular-niches-but-not-the-osteoblastic-niche-are-numerically-restored-following-allogeneic-hematopoietic-stem-cell-transplantation-in-patients-with-aplastic-anemia
#5
Liangliang Wu, Wenjian Mo, Yuping Zhang, Ming Zhou, Yumiao Li, Ruiqing Zhou, Shiling Xu, Shiyi Pan, Hui Deng, Ping Mao, Shunqing Wang
Bone marrow (BM) niches, including the osteoblastic, vascular, and perivascular niches, are numerically impaired in patients with aplastic anemia (AA). It remains unclear whether these niches are numerically restored in AA patients after allogenic hematopoietic stem cell transplantation (allo-HSCT). To investigate changes in BM niches, we monitored 52 patients with AA who had undergone allo-HSCT and performed immunohistochemical studies of BM niches using antibodies against CD34, CD146, and osteopontin. After allo-HSCT, patients with AA exhibited a remarkable increase in the number of cellular elements in the BM niches, including the vascular and perivascular cells...
March 16, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28299633/reticulocyte-hemoglobin-equivalent-as-a-potential-marker-for-diagnosis-of-iron-deficiency
#6
Yasumichi Toki, Katsuya Ikuta, Yoshie Kawahara, Noriyasu Niizeki, Masayuki Kon, Motoki Enomoto, Yuko Tada, Mayumi Hatayama, Masayo Yamamoto, Satoshi Ito, Motohiro Shindo, Yoko Kikuchi, Mitsutaka Inoue, Kazuya Sato, Mikihiro Fujiya, Toshikatsu Okumura
Evaluation of parameters relating to serum ferritin and iron is critically important in the diagnosis of iron deficiency anemia (IDA). The recent development of automated systems for hematology analysis has made it possible to measure reticulocyte hemoglobin equivalent (RET-He), which is thought to reflect iron content in reticulocytes, in the same sample used for complete blood count tests. If RET-He is, indeed, capable of evaluating iron deficiency (ID), it would be useful for immediate diagnosis of IDA. In the present study, we examined the usefulness of RET-He for diagnosis of ID...
March 15, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28299632/transgenic-expression-of-a-canonical-wnt-inhibitor-kallistatin-is-associated-with-decreased-circulating-cd19-b-lymphocytes-in-the-peripheral-blood
#7
Jeffrey D McBride, Xiaochen Liu, William L Berry, Ralf Janknecht, Rui Cheng, Kelu Zhou, Evangelos V Badiavas, Jian-Xing Ma
Members of the family of serine proteinase inhibitors, such as kallistatin, have been shown to inhibit canonical Wnt-TCF/LEF-β-catenin signaling via their interactions with the Wnt co-receptor LRP6. Yet the effects of transgenic overexpression of anti-Wnt serpins on hematopoiesis and lymphopoiesis are not well known. We studied the effects of human kallistatin (SERPINA4) on Wnt reporter activity in various cell types throughout the hematopoietic system and associated impacts on circulating white blood cell profiles...
March 15, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28299631/clinical-characteristics-and-outcomes-of-acquired-hemophilia-a-experience-at-a-single-center-in-japan
#8
Yoshiyuki Ogawa, Kunio Yanagisawa, Hideki Uchiumi, Takuma Ishizaki, Takeki Mitsui, Fumito Gouda, Masahiro Ieko, Akitada Ichinose, Yoshihisa Nojima, Hiroshi Handa
Acquired hemophilia A (AHA), which is caused by autoantibodies against coagulation factor VIII (FVIII) is a rare, life-threatening bleeding disorder, the incidence of which appears to be increasing in Japan as the population ages. However, the clinical characteristics, treatment, and outcomes of AHA remain difficult to establish due to the rarity of this disease. We retrospectively analyzed data from 25 patients (median age 73 years; range 24-92 years; male n = 15) diagnosed with AHA between 1999 and 2015 at Gunma University Hospital...
March 15, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28293819/characteristics-features-and-factors-influencing-early-death-in-acute-promyelocytic-leukemia-experience-from-united-arab-emirates-uae
#9
Inaam Bashir Hassan, Mariam R Al Zaabi, Arif Alam, Mohammed Jawad Hashim, Martin S Tallman, Jorgen Kristensen
Although acute promyelocytic leukemia (APL) is a curable hematologic malignancy, early death (ED) remains a significant cause of treatment failure especially in developing countries. In a retrospective data analysis of 67 adult APL patients diagnosed in United Arab Emirates we report an ED rate of 11.9% which is comparable to that reported from more developed countries. We identified the following parameters at presentation as significant predictor of increased ED: Age >40 years (P = 0.015), fever (P = 0...
March 14, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28293818/the-effect-of-frequency-of-c-e-r-a-administration-on-the-contribution-of-dietary-iron-for-erythropoiesis
#10
Yukari Matsuo-Tezuka, Mariko Noguchi-Sasaki, Mitsue Kurasawa, Keigo Yorozu, Yasushi Shimonaka
Erythropoiesis-stimulating agents are among the therapeutic options for renal anemia. Under erythropoietic stimulation, the synthesis of hemoglobin requires a large amount of iron, which is supplied both from absorption of dietary iron and the mobilization of stored iron. However, under iron-loading conditions, dietary iron absorption is suppressed via down-regulation of duodenal iron transporters. Because the contribution of dietary iron is essential for erythropoiesis, we aimed to investigate the conditions in which dietary iron is efficiently used for erythropoiesis...
March 14, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28293817/cd4-memory-t-cells-retain-surface-expression-of-cd31-independently-of-thymic-function-in-patients-with-lymphoproliferative-disorders-following-autologous-hematopoietic-stem-cell-transplantation
#11
Egor V Batorov, Marina A Tikhonova, Irina V Kryuchkova, Vera V Sergeevicheva, Svetlana A Sizikova, Galina Y Ushakova, Dariya S Batorova, Andrey V Gilevich, Alexander A Ostanin, Ekaterina Y Shevela, Elena R Chernykh
High-dose chemotherapy with autologous hematopoietic stem-cell transplantation (AHSCT) causes severe and long-lasting immunodeficiency in patients with lymphoproliferative disorders. The thymus begins to restore the T-cell repertoire approximately from the sixth month post-transplant. We assessed the dynamics of post-transplant recovery of CD4(+)CD45RA(+)CD31(+) T cells, "recent thymic emigrants" (RTEs), and a poorly described subtype of CD4(+)CD45RA(-)CD31(+) T cells in 90 patients with lymphoproliferative disorders following high-dose chemotherapy with AHSCT...
March 14, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28271416/bleeding-tendency-and-platelet-function-during-treatment-with-romiplostim-in-children-with-severe-immune-thrombocytopenic-purpura
#12
Elena V Suntsova, Irina M Demina, Anastasia A Ignatova, Nikolay M Ershov, Natalia M Trubina, Juliya Dobrynina, Irina V Serkova, Zhanna S Supik, Ekaterina V Orekhova, Lili A Hachatryan, Natalia N Kotskaya, Aleksey V Pshonkin, Aleksey A Maschan, Galina A Novichkova, Mikhail A Panteleev
It has been suggested that platelet function in chronic immune thrombocytopenic purpura (ITP) may be abnormal. Thrombopoietin mimetics used for treatment can affect it, but the data remain limited. We investigated platelet function of 20 children diagnosed with severe ITP (aged 1-16 years, 12 females and eight males). Platelet functional activity in whole blood was characterized by flow cytometry before and after stimulation with SFLLRN plus collagen-related peptide. Levels of CD42b, PAC1, and CD62P, but not CD61 or annexin V, were significantly increased (P < 0...
March 7, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28271415/predictors-of-vasovagal-reactions-during-preoperative-autologous-blood-donation-a-single-institution-analysis
#13
Hisakazu Nishimori, Nobuharu Fujii, Keiko Fujii, Tohru Ikeda, Naomi Asano, Hiroaki Ogo, Miwa Yamakawa, Naoe Takagi, Fumio Otsuka, Kazuma Ikeda
Studies examining risk factors associated with vasovagal reactions (VVRs) during autologous blood donations, especially in younger subjects, have been limited. The aim of the present study was to define risk factors for VVRs during preoperative autologous blood donation in patients, including those younger than 18 years old. We retrospectively analyzed 4192 autologous, preoperative blood donations between 2007 and 2015 at Okayama University Hospital. Eighty-seven (2.08%) of the patients experienced VVRs. VVRs occurred approximately three times as often in patients 0-17 years old (16/320, 5...
March 7, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28271414/pediatric-follicular-lymphoma-in-japan
#14
Ryoji Kobayashi, Fumiko Tanaka, Atsuko Nakazawa, Jun-Ichi Ueyama, Shosuke Sunami, Tetsuo Mitsui, Yuhki Koga, Takeshi Mori, Tomoo Osumi, Reiji Fukano, Kentaro Ohki, Masahiro Sekimizu, Naoto Fujita, Michi Kamei, Tetsuya Mori
Follicular lymphoma (FL) is quite rare in children. There have been only two major reports on pediatric FL. The present retrospective study on pediatric FL in Japan, including FL with diffuse large B cell lymphoma (DLBCL), analyzed data from 1991 to 2014. Twenty-two patients with pediatric FL were analyzed. Sixteen patients were boys and six were girls. Median age of onset was 9 years (range 4-17 years). In 11 patients, DLBCL co-existed with FL. The initial lesions involved cervical lesions in 16 patients, and the abdomen in six...
March 7, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28247190/primary-cutaneous-plasmacytoma
#15
LETTER
Mitsuhiro Matsuda, Sanae Sueda, Takahide Taniguchi
No abstract text is available yet for this article.
February 28, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28247189/successful-treatment-of-histiocytic-sarcoma-with-cladribine-and-high-dose-cytosine-arabinoside-in-a-child
#16
Haruko Iwabuchi, Hiroyuki Kawashima, Hajime Umezu, Takayuki Takachi, Masaru Imamura, Akihiko Saitoh, Akira Ogose, Chihaya Imai
Histiocytic sarcoma, a rare hematopoietic neoplasm with evidence of histiocytic differentiation, is often refractory to conventional chemotherapy and radiotherapy, and its prognosis is generally dismal. The optimal management of this malignancy has not been established. We report a case of 8-year-old girl with histiocytic sarcoma involving the left femur. The tumor rapidly responded to a combination of cladribine and high-dose cytosine arabinoside, an aggressive salvage regimen for refractory Langerhans cell histiocytosis, and became impalpable during the first cycle...
February 28, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28233193/guest-editorial-connecting-multiple-aspects-of-hematologic-malignancies-toward-creation-of-new-therapeutics
#17
EDITORIAL
Fumihiko Ishikawa
No abstract text is available yet for this article.
February 23, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28224273/over-expression-of-mir-196b-5p-is-significantly-associated-with-the-progression-of-myelodysplastic-syndrome
#18
Jing Wen, Ying Huang, Hongying Li, Xupai Zhang, Peng Cheng, Donghong Deng, Zhigang Peng, Jun Luo, Weihua Zhao, Yongrong Lai, Zhenfang Liu
Myelodysplastic syndrome (MDS) is a clonal stem cell disorder characterized by ineffective hematopoiesis with a high risk of transformation to acute myeloid leukemia (AML). miRNAs function as tumor suppressors and oncogenes in various cancers and regulate the differentiation potential of hematopoietic stem and progenitor cells (HSPCs). It has been suggested that miRNAs may play an important role in progression of MDS. We analyzed bone marrow samples collected from MDS patients according to different risk stratification indicated by the International Prognostic Scoring System (IPSS)...
February 21, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28220349/clofarabine-based-chemotherapy-as-a-bridge-to-transplant-in-the-setting-of-refractory-or-relapsed-acute-myeloid-leukemia-after-at-least-one-previous-unsuccessful-salvage-treatment-containing-fludarabine-a-single-institution-experience
#19
Alfredo Molteni, Marta Riva, Emanuele Ravano, Laura Marbello, Valentina Mancini, Giovanni Grillo, Elisa Zucchetti, Rosa Greco, Roberto Cairoli
For refractory or relapsed acute myeloid leukemia patients, allogeneic hematopoietic stem cell transplantation is the only curative treatment option, but the disease must be in remission before this can be attempted. "Salvage" therapy regimens containing high-dose cytarabine plus fludarabine or cladribine with or without anthracyclines or plus mitoxantrone and etoposide fail in 30-50% of cases. We report the outcome of 14 patients treated with a clofarabine-based treatment administered after at least one failed fludarabine-based "salvage" attempt in a "real life" (outside a clinical trial) context...
February 20, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28210942/how-we-treat-chronic-active-epstein-barr-virus-infection
#20
REVIEW
Akihisa Sawada, Masami Inoue, Keisei Kawa
Chronic active Epstein-Barr virus infection (CAEBV) is a prototype of the EBV-associated T- or NK-cell lymphoproliferative diseases, which also include hypersensitivity to mosquito bites and severe-type hydroavacciniforme. The manifestations of CAEBV are often self-limiting with minimum supportive care or only prednisolone and cyclosporine A with or without etoposide. However, allogeneic hematopoietic stem cell transplantation (HSCT) is the only cure, without which patients with CAEBV die within several years...
February 16, 2017: International Journal of Hematology
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