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X Chen, J L Wei, Y Huang, E L Jiang, Q L Ma, W H Zhai, Y He, R L Zhang, D L Yang, J F Yao, G X Zhang, S Z Feng, M Z Han
Objective: To compare eficacy and safety of porcine antihuman lymphocyte immunoglobulin (pALG) and rabbit antithymocyte immunoglobulin (rATG) as a part of alternative donor allogeneic hematopoietic stem cell transplantation (AD allo-HSCT) for severe aplastic anemia (SAA). Methods: The clinical data of 46 SAA patients received AD allo-HSCT from January 2006 to November 2016 were retrospectively analyzed. The cohort of patients were divided into two groups based on rATG or pALG as a part of conditioning regimen to compare implantation rate, transplantation related complications and outcome...
January 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Rachael F Grace, Paola Bianchi, Eduard J van Beers, Stefan W Eber, Bertil Glader, Hassan M Yaish, Jenny M Despotovic, Jennifer A Rothman, Mukta Sharma, Melissa M McNaull, Elisa Fermo, Kimberly Lezon-Geyda, D Holmes Morton, Ellis J Neufeld, Satheesh Chonat, Nina Kollmar, Christine M Knoll, Kevin Kuo, Janet L Kwiatkowski, Dagmar Pospíŝilová, Yves D Pastore, Alexis A Thompson, Peter E Newburger, Yaddanapudi Ravindranath, Winfred C Wang, Marcin W Wlodarski, Heng Wang, Susanne Holzhauer, Vicky R Breakey, Joachim Kunz, Sujit Sheth, Melissa J Rose, Heather A Bradeen, Nolan Neu, Dongjing Guo, Hasan Al-Sayegh, Wendy B London, Patrick G Gallagher, Alberto Zanella, Wilma Barcellini
An international, multicenter registry was established to collect retrospective and prospective clinical data on patients with pyruvate kinase (PK) deficiency, the most common glycolytic defect causing congenital non-spherocytic hemolytic anemia. Medical history and laboratory and radiologic data were retrospectively collected at enrollment in 254 patients with molecularly confirmed PK deficiency. Perinatal complications were common, including anemia requiring transfusions, hyperbilirubinemia, hydrops, and prematurity...
March 16, 2018: Blood
Sabrina Giammarco, Régis Peffault de Latour, Simona Sica, Carlo Dufour, Gerard Socie, Jakob Passweg, Nicolaus Kröger, Eefke Petersen, Maria Teresa Van Lint, Rosi Oneto, Alessio Signori, Andrea Bacigalupo
No abstract text is available yet for this article.
March 16, 2018: Blood
Morag Griffin, Austin Kulasekararaj, Shreyans Gandhi, Talha Munir, Stephen Richards, Louise Arnold, Nana Benson-Quarm, Nicola Copeland, Isabel Duggins, Kathryn Riley, Peter Hillmen, Judith Marsh, Anita Hill
No abstract text is available yet for this article.
March 15, 2018: Haematologica
Efrain Riveros-Perez, Amy C Hermesch, Linda A Barbour, Joy L Hawkins
Aplastic anemia is a hematologic condition occasionally presenting during pregnancy. This pathological process is associated with significant maternal and neonatal morbidity and mortality. Obstetric and anesthetic management is challenging, and treatment requires a coordinated effort by an interdisciplinary team, in order to provide safe care to these patients. In this review, we describe the current state of the literature as it applies to the complexity of aplastic anemia in pregnancy, focusing on pathophysiologic aspects of the disease in pregnancy, as well as relevant obstetric and anesthetic considerations necessary to treat this challenging problem...
2018: International Journal of Women's Health
Chunyan Yue, Yingying Ding, Yang Gao, Li Li, Yan Pang, Zenghui Liu, Hang Zhang, Yang Xiao, Zujun Jiang, Haowen Xiao
OBJECTIVES: In patients with very severe aplastic anemia (VSAA), neutropenia is prolonged and persistent, resulting in refractory overwhelming infections. Hematopoiesis recovery is urgently needed. METHODS: Six patients with de novo VSAA lacking HLA-identical sibling donors and those who experienced refractory infections, underwent haploidentical related donor (HRD) hematopoietic stem cell transplantation (HSCT) as a first-line therapy. The conditioning regimen consisted of busulfan, cyclophosphamide and rabbit antithymocyte globulin...
March 12, 2018: European Journal of Haematology
Krista Vaht, Magnus Göransson, Kristina Carlson, Cecilia Isaksson, Stig Lenhoff, Anna Sandstedt, Bertil Uggla, Jacek Winiarski, Per Ljungman, Mats Brune, Per-Ola Andersson
OBJECTIVES: Antithymocyte globulin (ATG)-based immunosuppression remains a cornerstone in aplastic anaemia (AA) treatment. However, most ATG studies are not population-based and knowledge about real-world results concerning response and outcome could offer important information for treating physicians. METHODS: We have recently performed a nationwide retrospective cohort study on all AA patients diagnosed in Sweden in 2000-2011 and now present treatment and outcome data on patients receiving first-line ATG...
March 12, 2018: European Journal of Haematology
Panagiota Zikidou, Anastassia Grapsa, Zoe Bezirgiannidou, Athanassios Chatzimichael, Elpis Mantadakis
Background: Human parvovirus B19 (HPV-B19) is the etiologic agent of erythema infectiosum, of transient aplastic crises in individuals with underlying chronic hemolytic disorders, and of chronic pure red cell aplasia in immunocompromised individuals. Case report: We describe a 14-year-old girl with long-standing Evans syndrome, who presented with severe anemia, reticulocytopenia and thrombocytopenia. A bone marrow aspirate revealed severe erythroid hypoplasia along with the presence of giant pronormoblasts, while serological studies and real-time PCR of whole blood were positive for acute parvovirus B19 infection...
2018: Mediterranean Journal of Hematology and Infectious Diseases
Maile K Hollinger, Valentina Giudice, Nicole A Cummings, Guillermo Rivell, Hansheng Zhang, Sachiko Kajigaya, Keyvan Keyvanfar, Jichun Chen, Xingmin Feng, Neal S Young
While PD-1 blockade has revolutionized cancer immunotherapy, immune-related adverse events (irAEs) present life-threatening complications. Recent reports of aplastic anemia (AA) as irAEs implicate PD-1/PD-L1 as important in preventing immune-mediated destruction of the hematopoietic niche. Infusion of PD-1-deficient (PD-1 KO) lymph node (LN) cells into minor-antigen mismatched mice resulted in early mortality, as well as more severe BM hypoplasia, anemia, and BM microarchitecture disruption in PD-1 KO LN-infused mice relative to mice that received B6 LN cell infusion...
March 7, 2018: Experimental Hematology
Anna Waszczuk-Gajda, Michał F Kamiński, Łukasz Koperski, Anna Kamińska, Joanna Drozd-Sokołowska, Zbigniew Lewandowski, Aleksander Wasiutyński, Barbara Górnicka, Wiesław W Jędrzejczak
BACKGROUND: Despite progress in diagnostic procedures, clinical diagnosis is not always confirmed by an autopsy. An autopsy is a valuable tool in evaluating diagnostic accuracy. OBJECTIVES: The aim of the study was to compare clinical diagnoses of immediate causes of death with autopsy findings in patients with hematological malignancies or aplastic anemia. MATERIAL AND METHODS: In this study, the results of 154 autopsies (1993-2004) of patients with hematological diseases were reviewed and compared with clinical data...
January 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Teresa Matthews-Brzozowska, Dorota Hojan-Jezierska, Wawrzyniec Loba, Marta Worona, Artur Matthews-Brzozowski
A review of numerous case reports was made, in order to demonstrate the possibilities for treatment of dental disorders in patients with Cleidocranial dysplasia (CCD). In this paper, our own report, including a diagnosis of the effect on the auditory system, is presented. In addition to the triad of CCD symptoms that include hypoplastic or aplastic clavicles, impacted and supernumerary teeth, delayed closure of fontanelles and cranial sutures, impairment of the hearing system resulting in conductive hearing loss also occurs...
2018: Open Medicine (Warsaw, Poland)
Ying Qu, Qiwang Lin, Yan Yuan, Zhengxu Sun, Pengfei Li, Fen Wang, Hua Jiang, Tong Chen
Aplastic anemia (AA) is generally considered as an immune-mediated bone marrow failure syndrome. Several studies show that bone marrow mesenchymal stem cells (BM-MSCs), as key cellular components of the bone marrow microenvironment, are also involved in the pathogenic mechanism of AA. Cyclosporin A (CsA) is a classic immunosuppressive drug for AA, and it specifically inhibits mammalian T cells by preventing activation of transcription factors involved in cytokine gene expression. However, little is known about the effect of CsA on the BM-MSCs...
March 3, 2018: Biochemical and Biophysical Research Communications
Cahit Kural, Mehmet Ilker Ozer, Mehmet Can Ezgu, Royal Mehtiyev, Soner Yasar, Ahmet Murat Kutlay, Mehmet Kadri Daneyemez, Onder Onguru, Ersin Erdogan, Yusuf Izci
Intracranial aspergillosis is a rare infectious disease of the central nervous system with high mortality rates. Our aim is to present 3 cases of intracranial aspergillosis who were surgically treated with intracavitary amphotericin B administration. First case was a 21-year-old male patient. Allogeneic stem cell transplantation treatment was performed because of aplastic anemia and vocal cord paralysis developed 10 days after treatment. Multiple aspergillosis abscesses were observed in the cranial magnetic resonance imaging (MRI)...
March 2, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Andrea Bacigalupo, Rosi Oneto, Hubert Schrezenmeier, Britta Hochsmann, Carlo Dufour, Seiji Kojima, Xiaofan Zhu, Xiaojuan Chen, Surapol Issaragrisil, Suporn Chuncharunee, Dae Chul Jeong, Sabrina Giammarco, Maria Teresa Van Lint, Yizhou Zheng, Carlos Vallejo
The aim of this study was to assess the outcome of patients with aplastic anemia (AA), receiving rabbit anti-thymocyte globulin (Thymoglobulin, SANOFI) and cyclosporin, as first line treatment. Eligible were 955 patients with AA, treated first line with Thymoglobulin, between 2001 and 2008 (n=492), or between 2009-2012 (n=463). The median age of the patients was 21 years (range 1-84). Mortality within 90 days was 5.7% and 2.4%, respectively in the two time periods (p=0.007).The actuarial 10 year survival for the entire population was 70%; transplant free survival was 64%...
March 2, 2018: American Journal of Hematology
Lanping Xu, Hu Chen, Jing Chen, Mingzhe Han, He Huang, Yongrong Lai, Daihong Liu, Qifa Liu, Ting Liu, Ming Jiang, Hanyun Ren, Yongping Song, Zimin Sun, Jianmin Wang, Depei Wu, Daobin Zhou, Ping Zou, Kaiyan Liu, Xiaojun Huang
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is widely used to treat malignant hematological neoplasms and non-malignant hematological disorders. Approximately, 5000 allo-HSCT procedures are performed in China annually. Substantial progress has been made in haploidentical HSCT (HID-HSCT), pre-transplantation risk stratification, and donor selection in allo-HSCT, especially after the establishment of the "Beijing Protocol" HID-HSCT system. Transplant indications for selected subgroups in low-risk leukemia or severe aplastic anemia (SAA) differ from those in the Western world...
March 2, 2018: Journal of Hematology & Oncology
Yu-Qian Sun, Ying-Jun Chang, Xiao-Jun Huang
Haploidentical stem cell transplantation (Haplo-SCT) is currently a suitable alternative worldwide for patients with hematological diseases, who lack human leukocyte antigen (HLA)-matched siblings or unrelated donors. Areas covered: This review summarizes the advancements in Haplo-SCT in recent years, primarily focusing on the global trends of haploidentical allograft, the comparison of outcomes between Haplo-SCT and other transplantation modalities, strategies for improving clinical outcomes, including donor selection, hematopoietic reconstitution promotion, and graft-versus-host disease, and relapse prevention/management, as well as the expanded indications of Haplo-SCT, such as severe aplastic anemia, myeloma and lymphoma...
March 6, 2018: Expert Review of Hematology
Lixin Xu, Zhouyang Liu, Yamei Wu, Xueliang Yang, Yongbin Cao, Xiaohong Li, Bei Yan, Songwei Li, Wanming Da, Xiaoxiong Wu
BACKGROUND: This study not only evaluated the clinical effects of treatment using haploidentical hematopoietic stem cells (haplo-HSCs) combined with human umbilical cord mesenchymal stem cells (UC-MSCs) in patients with severe aplastic anemia (SAA), but also investigated the factors related to graft versus host disease (GVHD). METHODS: Cotransplantation of haplo-HSCs and UC-MSCs was performed in 24 SAA patients. The conditioning regimens consisted of rabbit anti-human T-lymphocyte immunoglobulin (ATG), cyclophosphamide, and fludarabine with or without busulfan...
March 1, 2018: European Journal of Medical Research
Taylor Olmsted Kim, Jenny Despotovic, Michele P Lambert
Eltrombopag is currently the only US Food and Drug Administration-approved thrombopoietin receptor agonist for the treatment of chronic immune thrombocytopenia (ITP) in children. This oral, once-per-day therapy has shown favorable efficacy and adverse effect profiles in children. Two multicenter, double-blind, placebo controlled clinical trials (PETIT [Efficacy and Safety Study of Eltrombopag in Pediatric Patients With Thrombocytopenia From Chronic Idiopathic Thrombocytopenic Purpura (ITP)] and PETIT2 [Study of a New Medication for Childhood Chronic Immune Thrombocytopenia (ITP), a Blood Disorder of Low Platelet Counts That Can Lead to Bruising Easily, Bleeding Gums, and/or Bleeding Inside the Body]) demonstrated efficacy in raising platelet counts, reducing bleeding, and reducing the need for concomitant ITP therapies with relatively few adverse effects...
February 27, 2018: Blood Advances
J Luis Espinoza, Mahmoud I Elbadry, Kazuhisa Chonabayashi, Yoshinori Yoshida, Takamasa Katagiri, Kenichi Harada, Noriharu Nakagawa, Yoshitaka Zaimoku, Tatsuya Imi, Hassan A Hassanein, Amal Khalifa A Noreldin, Katsuto Takenaka, Koichi Akashi, Hiroshi Hamana, Hiroyuki Kishi, Yoshiki Akatsuka, Shinji Nakao
Hematopoietic stem cells (HSCs) that lack HLA-class I alleles as a result of copy-number neutral loss of heterozygosity of the short arm of chromosome 6 (6pLOH) or HLA allelic mutations often constitute hematopoiesis in patients with acquired aplastic anemia (AA), but the precise mechanisms underlying clonal hematopoiesis induced by these HLA-lacking (HLA- ) HSCs remain unknown. To address this issue, we generated induced pluripotent stem cells (iPSCs) from an AA patient who possessed HLA - B4002-lacking (B4002- ) leukocytes...
February 27, 2018: Blood Advances
Hui Liu, Yi Liu, Yi Li, Zhaoyun Liu, Liyan Li, Shaoxue Ding, Yihao Wang, Tian Zhang, Lijuan Li, Zonghong Shao, Rong Fu
Proteinase 3 (PR3) is released from neutrophils and regulates platelet activity, which is associated with cluster of differentiation (CD)177 antigen (NB1), a glycosylphosphatidylinositol-linked protein. In the present study, the effect of PR3 on thrombosis in paroxysmal nocturnal hemoglobinuria (PNH) and PNH-aplastic anemia (AA) syndrome was explored. The expression of PR3 and NB1 on CD59- neutrophils was detected by flow cytometry, immunofluorescence (IF), reverse transcription-quantitative polymerase chain reaction analysis and western blotting...
March 2018: Experimental and Therapeutic Medicine
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