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Int J Artif Organs ; 39(6): 277-81, 2016 Aug 19.
Artigo em Inglês | MEDLINE | ID: mdl-27470002

RESUMO

BACKGROUND: Midkine (MK), which is expressed in the proximal tubular epithelial cells of the kidney, is thought to have a role in the pathophysiology of inflammation-related renal diseases. Both immunological and nonimmunological mechanisms may affect renal functions negatively during the early and late post-transplantation periods. We aimed in our study to evaluate the relationship of MK with clinical findings and inflammatory markers, including high sensitivity C-reactive protein (hs-CRP), interleukin (IL-6) and tumor necrosis factor (TNF-α) in the pretransplant and post-transplant period. METHODS: Forty-one consecutive patients transplanted from living related donors were included in this prospective observational study. All patients received the same immunosuppressive treatment protocol. MK, hsCRP, IL-6 and TNF-α levels were measured before and 2 months after renal transplantation. RESULTS: Pretransplant MK levels correlated positively with hsCRP (r = 0.41, p = 0.004) and IL-6 (r = 0.58, p<0.001). The mean post-transplant MK level was found to be higher than the pretransplant level (143 ± 350 pg/mL, 2792 ± 4235 pg/mL respectively, p = <0.001), while the mean hsCRP, IL-6 and TNF-α levels did not change significantly. Post-transplant IL-6 correlated significantly with MK (r = 0.388, p = 0.012), hsCRP (r = 0.41, p = 0.007) and TNF-α (r = 0.348, p = 0.026). There was no significant correlation between clinical findings and inflammatory markers. CONCLUSIONS: MK may be a good inflammatory marker in renal transplant recipients as in other inflammatory diseases. Moreover, it seems that it is not affected by factors other than inflammation during the post-transplantation period.


Assuntos
Citocinas/sangue , Inflamação/sangue , Interleucina-6/sangue , Transplante de Rim , Transplantados , Fator de Necrose Tumoral alfa/sangue , Adulto , Biomarcadores/sangue , Proteína C-Reativa/análise , Feminino , Humanos , Imunossupressores/uso terapêutico , Mediadores da Inflamação/sangue , Masculino , Pessoa de Meia-Idade , Midkina , Estudos Prospectivos
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