Serum cytokine/chemokine profiles in patients with dengue fever (DF) and dengue hemorrhagic fever (FHD) by using protein array.
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BACKGROUND: DENV infection can induce different clinical manifestations varying from mild forms to dengue fever (DF) or the severe hemorrhagic fever (DHF). Several factors are involved in the progression from DF to DHF. No marker is available to predict this progression. Such biomarker could allow a suitable medical care at the beginning of the infection, improving patient prognosis. OBJECTIVES: The aim of this study was to compare the serum expression levels of acute phase proteins in a well-established cohort of dengue fever (DF) and dengue hemorrhagic fever (DHF) patients, in order to individuate a prognostic marker of diseases severity. STUDY DESIGN: The serum levels of 36 cytokines, chemokines and acute phase proteins were determined in DF and DHF patients and compared to healthy volunteers using a multiplex protein array and near-infrared (NIR) fluorescence detection. Serum levels of IL-1ra, IL-23, MIF, sCD40 ligand, IP-10 and GRO- were also determined by ELISA. RESULTS: At the early stages of infection, GRO- and IP-10 expression levels were different in DF compared to DHF patients. Besides, GRO- was positively correlated with platelet counts and IP-10 was negatively correlated with total protein levels. CONCLUSIONS: These findings suggest that high levels of GRO- during acute DENV infection may be associated with a good prognosis, while high levels of IP-10 may be a warning sign of infection severity.
Oliveira, R., Cordeiro, M. T., Moura, P., Baptista Filho, P., Braga-Neto, U., Marques, E., & Gil, L.
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Oliveira, Renato Antonio Dos Santos||Cordeiro, Marli Tenório||Moura, Patrícia Muniz Mendes Freire de||Baptista Filho, Paulo Neves Bapti||Braga-Neto, Ulisses de Mendonça||Marques, Ernesto Torres de Azevedo||Gil, Laura Helena Vega Gonzales
