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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
#1
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/28299016/circumscribed-ciliochoroidal-effusion-presenting-as-an-acute-angle-closure-attack
#2
Roslyn Kathryn Manrique Lipa, María Eugenia González Sánchez, Carlos Antonio Hijar Ordovas, Abel Rojo Aragües, Carmen Garcia Borque
PURPOSE: To report a case of choroidal effusion probably caused by angiotensin receptor II blocker. CASE REPORT: A 52-year-old man with aplastic anemia and high blood pressure who developed unilateral acute angle closure glaucoma after receiving oral cyclosporine and angiotensin II receptor blocker (losartan). Ophthalmic examination revealed visual acuity of 20/30 in the left eye, mild mydriasis, iris bombe, no anterior chamber reaction, mild conjunctival hyperemia, and the intraocular pressure of 30 mmHg...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28289249/control-of-cellular-aging-tissue-function-and-cancer-by-p53-downstream-of-telomeres
#3
Caitlin M Roake, Steven E Artandi
Telomeres, the nucleoprotein complex at the ends of eukaryotic chromosomes, perform an essential cellular role in part by preventing the chromosomal end from initiating a DNA-damage response. This function of telomeres can be compromised as telomeres erode either as a consequence of cell division in culture or as a normal part of cellular ageing in proliferative tissues. Telomere dysfunction in this context leads to DNA-damage signaling and activation of the tumor-suppressor protein p53, which then can prompt either cellular senescence or apoptosis...
March 13, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28283014/-fungemia-and-septic-arthritis-caused-by-saprochaete-capitata-in-a-patient-with-fanconi-aplastic-anemia-a-case-report
#4
Ömür Mustafa Parkan, Mustafa Altay Atalay, Ayşe Nedret Koç, Çiğdem Pala, Gonca Aydemir, Leylagül Kaynar
Saprochaete capitata (formerly known as Blastoschizomyces capitatus, Trichosporon capitatum, Geotrichum capitatum) is a rare but emerging yeast-like fungus. It is commonly found in environmental sources and can be isolated from skin, gastrointestinal system and respiratory tract of healthy individuals as well. It mainly infects patients with hematological malignancies such as acute myeloid leukemia (AML), especially in the presence of neutropenia; and mortality rates are high in those patients. Although the data about the in vitro antifungal susceptibility are limited, it is being reported that amphotericin B and voriconazole are more effective on S...
January 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28282510/cxcr4-cd184-expression-on-stem-cell-harvest-and-cd34-cells-post-transplant
#5
Inas Asfour, Hanaa Afify, Shaza Elkourashy, Maryse Ayoub, Gihan Kamal, Mary Gamal, Ghada Elgohary
OBJECTIVES/BACKGROUND: CXCR4 is a receptor for stromal-derived factor-1 (SDF-1), a molecule that has a chemotactic activity for lymphocytes and is important in homing of hematopoietic stem cells to their adult marrow. We evaluated the CXCR4 (CD184) expression in the harvest cells and in the post-transplant bone marrow (BM) and its relation to engraftment, as determined by the consensus criteria and chimerism. METHODS: This is a prospective study which included 30 patients undergoing hematopoietic stem cell transplantation; 15 patients received autograft and 15 patients received allograft on dates between January 2012 and May 2014...
March 2, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28279029/-how-i-standardly-diagnose-and-treat-severe-aplastic-anemia
#6
Z H Shao
No abstract text is available yet for this article.
February 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28270348/myelodysplasia-and-acute-myeloid-leukemia-fifteen-years-after-high-dose-cyclophosphamide-in-a-child-with-severe-aplastic-anemia
#7
José Carlos Jaime-Pérez, Liliana Nataly Guerra-Leal, Olga Graciela Cantú-Rodríguez, David Gómez-Almaguer
No abstract text is available yet for this article.
January 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/28270344/secondary-myeloid-neoplasms-bone-marrow-cytogenetic-and-histological-features-may-be-relevant-to-prognosis
#8
Roberta Sandra da Silva Tanizawa, Maria Claudia Nogueira Zerbini, Ricardo Rosenfeld, Cristina Aiko Kumeda, Raymundo Soares Azevedo, Sheila Aparecida Coelho Siqueira, Elvira Deolinda Rodrigues Pereira Velloso
BACKGROUND: Secondary myeloid neoplasms comprise a group of diseases arising after chemotherapy, radiation, immunosuppressive therapy or from aplastic anemia. Few studies have addressed prognostic factors in these neoplasms. METHOD: Forty-two patients diagnosed from 1987 to 2008 with secondary myeloid neoplasms were retrospectively evaluated concerning clinical, biochemical, peripheral blood, bone marrow aspirate, biopsy, and immunohistochemistry and cytogenetic features at diagnosis as prognostic factors...
January 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/28268223/interleukin-2-and-interleukin-8-gene-polymorphisms-and-acquired-aplastic-anemia-risk-in-a-chinese-population
#9
Xuejie Zhang, Shengyun Lin, Yan Yang, Liucheng Rong, Guangsheng He, Hailong He, Yao Xue, Yongjun Fang, Yaping Wang
BACKGROUND/AIMS: Cytokines IL-2 and IL-8 both participate in immune regulation. However, the relationship between polymorphisms in these two cytokines and the risk of acquired aplastic anemia (acquired AA) has not been explored. METHODS: We selected five SNPs including rs11575812, rs2069772 and rs2069762 of IL-2, rs2227306 and rs2227543 of IL-8. SNaPshot genotyping was used to test the genotypes of IL-2 and IL-8 polymorphisms in a population of 101 acquired AA patients and 165 healthy controls...
March 6, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28264622/why-is-the-incidence-of-aplastic-anemia-higher-in-asia
#10
Seiji Kojima
No abstract text is available yet for this article.
March 13, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28254828/telomere-driven-diseases-and-telomere-targeting-therapies
#11
REVIEW
Paula Martínez, Maria A Blasco
Telomeres, the protective ends of linear chromosomes, shorten throughout an individual's lifetime. Telomere shortening is proposed to be a primary molecular cause of aging. Short telomeres block the proliferative capacity of stem cells, affecting their potential to regenerate tissues, and trigger the development of age-associated diseases. Mutations in telomere maintenance genes are associated with pathologies referred to as telomere syndromes, including Hoyeraal-Hreidarsson syndrome, dyskeratosis congenita, pulmonary fibrosis, aplastic anemia, and liver fibrosis...
March 2, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28251308/-bilateral-ciliary-body-oedema-under-treatment-with-ciclosporine
#12
R Braun, E Holler, D Wolff, H Helbig, C Blecha, T Dietrich-Ntoukas
We present the case of a 27-year-old female patient who developed bilateral ciliary body edema with secondary glaucoma and myopic shift during systemic treatment with cyclosporine for aplastic anemia. After application of topical atropine and prednisolone acetate and conversion from cyclosporine to tacrolimus, the ophthalmologic symptoms resolved completely. Since an infectious etiology was not evident, we hypothesize that ciliary body edema was caused by impairment of microvascular integrity by cyclosporine...
March 1, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28245775/allogeneic-hematopoietic-stem-cell-transplant-for-severe-aplastic-anemia-current-state-and-future-directions
#13
Qixin Sun, Bingyi Wu, Zhigang Zhu, Can Sun, Jingxia Xu, Hui Long, Yuxian Huang, Jianhui Xu, Chaoyang Song
Acquired severe aplastic anemia (SAA) is a rare and life-threatening bone marrow failure syndrome characterized by cytotoxic T-cells excessive activity, hematopoietic precursors decrease and peripheral blood (PB) pancytopenia. Patients with severe aplastic anemia (SAA) died 1 to 2 years after diagnosis due to fatal infections and/or hemorrhagic complications if they went without any effective treatment. Nowadays, Immunosuppressive therapy (IST) and allogeneic hematopoietic stem cell transplantation (HSCT) are still the standard treatment for SAA...
February 27, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28240735/universal-expositions-physics-chemistry-and-new-occupational-diseases-the-case-of-marie-sklodowska-curie-and-radium-girls
#14
Silvana Salerno
BACKGROUND: Radium discovery by Marie and Pierre Curies caused previously unknown diseases. Marie Sklodowska Curie (1867-1934) suffered from radiations effects, as did girls in the radium dial watches factories. Therapeutic effects of radium were soon discovered, its unhealthy effects were as yet unheard of. OBJECTIVES: Analysis of Marie Sklodowska Curie (Marie) and radium girls occupational exposure, taking scientific debate on radium dangerous effects into account...
February 15, 2017: La Medicina del Lavoro
https://www.readbyqxmd.com/read/28221210/cutaneous-emboli-of-invasive-basidiomycosis-in-a-child-with-aplastic-anemia
#15
Desmond Shi-Wei Lim, Poh-Lin Tan, Roland Jureen, Kong-Bing Tan
Invasive fungal diseases are a significant cause of mortality among the immunocompromised. This report documents an unusual case of disseminated fungal infection in a child with severe aplastic anemia. The offending fungus, a Basidiomycete, is rarely known to cause human infections. The patient presented acutely with multiple purpuric skin lesions in various parts of the body. The skin biopsy revealed septated fungal hyphae embolized within small dermal blood vessels. Molecular sequencing indicated Earliella scabrosa as the likely organism...
March 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28219233/-optimal-cut-off-points-of-cd34-and-cd117-in-the-differential-diagnosis-between-hypocellular-myelodysplastic-syndrome-and-aplastic-anemia
#16
W Wang, P Zhu, J W Gu, X Q Wang
No abstract text is available yet for this article.
January 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28219216/-chinese-expert-consensus-on-the-diagnosis-and-treatment-of-aplastic-anemia-2017
#17
(no author information available yet)
No abstract text is available yet for this article.
January 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28215056/an-analysis-of-blood-utilization-for-stem-cell-transplant-patients-in-a-tertiary-care-hospital
#18
Natasha Ali
Background and Objective: Haematopoietic stem cell transplant is a potentially curative treatment option in various benign and malignant haematological diseases. Patients undergoing stem cell transplant procedure require blood transfusion on a daily basis. Currently, there is paucity of data from developing countries on transfusion practices. This audit was undertaken to determine the consumption of packed red blood cells (PRBCs) transfusion in the bone marrow transplant unit of the Aga Khan University Hospital...
February 28, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28212262/molecular-cytogenetic-approach-to-characterize-novel-and-cryptic-chromosome-abnormalities-in-childhood-myeloid-malignances-of-fanconi-anemia
#19
Maria L R Borges, Roberto R Capela de Matos, Bethânia D A Silva Amaral, Eliane M Soares-Ventura, Edinalva P Leite, Mariluze O D Silva, Maria T M Nogueira Cornélio, Maria L M Silva, Thomas Liehr, Terezinha D J Marques-Salles
Myeloid malignancies can be either primary or secondary, whether or not a specific cause can be determined. Fanconi anemia (FA), a rare constitutional bone marrow failure, usually presents an increased possibility of clonal evolution, due to the increase in chromosomal instability, TP53 activation, and cell death. The evolution of FA may include aplastic anemia by the progressive failure of the bone marrow and myelod neoplasias, such as acute myeloid leukemia and myelodysplastic syndrome. Chromosome abnormalities, particularly of chromosomes, 1, 3, and 7, during the aplastic phase of the disease are predictive of evolution to acute myeloid leukemia/myelodysplastic syndrome...
March 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28211781/post-therapeutic-recovery-of-serum-interleukin-35-level-might-predict-positive-response-to-immunosuppressive-therapy-in-pediatric-aplastic-anemia
#20
Zhen Huang, Hongfei Tong, Yuan Li, Haixia Zhou, Jiangchao Qian, Juxiang Wang, Jichen Ruan
BACKGROUND: The predictive value of interleukin-35 (IL-35) on efficacy of immunosuppressive therapy (IST) in aplastic anemia (AA) has not been well investigated. The aim of the study was to evaluate the association between serum IL-35 level and response to IST in pediatric AA. METHODS: A total of 154 children with AA and 154 controls were included between January 2012 and December 2013. Blood and bone marrow fluid specimens were collected. Serum level of IL-35 was determined by enzyme-linked immunosorbent assay...
February 17, 2017: Hematology (Amsterdam, Netherlands)
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