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Title in Portuguese: Clinical events and their relation to the tumor necrosis factor-alpha and interleukin-10 genotypes in Sickle-Cell- Anemia patients
Author: Cavalcante, Jânio Emanuel Andrade
Machado, Rosângela Pinheiro Gonçalves
Laurentino, Marilia Rocha
Santos, Talyta Ellen de Jesus dos
Bandeira, Izabel Cristina Justino
Maia Filho, Pedro Aurio
Figueiredo, Monalisa Feliciano
Martins, Alice Maria Costa
Lemes, Romélia Pinheiro Gonçalves
Keywords: Interleucina-10
Issue Date: 2016
Publisher: Hematology/Oncology and Stem Cell Therapy
Citation: CAVALCANTE, J. E. A. et al. Clinical events and their relation to the tumor necrosis factor-alpha and interleukin-10 genotypes in Sickle-Cell-Anemia patients. Hematology/Oncology and Stem Cell Therapy, Riyadh, v. 9, p. 14-19, 2016.
Abstract: Objective/background: Sickle-cell anemia (SCA) is a genetic blood disease characterized by chronic inflammation and a heterogeneous clinical picture. Serum tumor necrosis factor (TNF-alpha) and interleukin 10 (IL-10) levels are associated with the clinical course of SCA. This study aimed to evaluate the association between the frequency of the polymorphisms TNF- alpha-308 G ? A, IL-10-1082 G ? A, IL-10-819 C ? T, and IL-10-592 A ? C; serum TNF-alpha; and IL-10 levels, and the incidence of clinical events in SCA patients. Methods: Polymerase chain reaction–restriction fragment length polymorphism and enzyme- linked immunosorbent assay were performed on 25 adults with SCA at the steady state; their data were compared with those for 26 healthy individuals. Results: The most frequent genotype of the TNF-alpha polymorphism was GG (low producer), and the most frequent genotype of the IL-10 polymorphisms was ‘‘low producer ” (ACC ACC, ACC ATA, ATA ATA). The TNF-alpha levels were significantly higher in SCA in patients with acute chest syndrome (ACS). The IL-10 levels were reduced in polytransfusion and in patients with ACS. Conclusion: The patients presented prevalence of TNF-alpha and IL-10 low-profile producer. The cytokine serum levels presented an association with the presence of polytransfusion and ACS in SCA patients.
metadata.dc.type: Artigo
ISSN: 1658-3876
Appears in Collections:DPML - Artigos publicados em revista científica

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