Details

Autor(en) / Beteiligte

• Singh, Krishn Pratap
• Shakeel, Shayan
• Naskar, Namrata
• Bharti, Aakanksha
• Kaul, Asha
• Anwar, Shadab
• Kumari, Shweta
• Kumar, Amod
• Singh, Jiv Kant
• Kumari, Nutan
• Gupta, Birendra Kumar
• Manna, Purwa
• Roy, Vishwaprakash
• Lata, Sneh
• Singh, Om P.
• Sinha, Manoranjan Prasad
• Sharma, Ajay Kumar
• Sohail, Mohammad

Titel

Role of IL-1β, IL-6 and TNF-α cytokines and TNF-α promoter variability in Plasmodium vivax infection during pregnancy in endemic population of Jharkhand, India

Ist Teil von

• Molecular immunology, 2018-05, Vol.97, p.82-93

Ort / Verlag

England: Elsevier Ltd

Erscheinungsjahr

2018

Link zum Volltext

Quelle

Elsevier ScienceDirect Journals Complete

Beschreibungen/Notizen

• •P.vivax infection modulates the circulating concentration of IL-1β, TNF-α and IL-6 during pregnancy.•Inflammatory cytokines response depends on both infection and trimesters of gestation but independent of pregnancy.•Transitional responses among inflammatory cytokines during each trimesters of pregnancy with and without vivax infection.•TNF2 allele is mild risk for vivax infection during pregnancy and influencing elevated concentration of TNF-α. The combinatorial effects of Plasmodium infection, perturbation of inflammatory responses and the dichotomic role of TNF promoter polymorphism has potential clinical and physiological relevance during pregnancy. This coordinated orchestration instigated us to investigate the circulating level of inflammatory cytokines (IL-1β, TNF-α and IL-6) employing ELISA in a stratified group of samples and the plausible genetic association of TNF-α −308 G/A using PCR-RFLP/sequencing during Plasmodium vivax infection in pregnancy. We observed significantly elevated concentrations of IL-1β were observed, followed by IL-6 and TNF-α in women with malaria (WWM) and in malaria in pregnancy (MIP). Further, elevated IL-1β, followed by TNF-α and IL-6 were detected in the non-infected pregnancy group. The differential dynamics of inflammatory cytokine concentration during each trimester of pregnancy with and without P. vivax infection were detected. For the first time, a high level of IL-6 was observed in the first trimester of MIP and high IL-1β in healthy pregnancies. In the second trimester, however, we observed a high level of IL-1β in the MIP group compared to a sustained high level of IL-1β in the healthy pregnancy group. In the third trimester, high IL-1β was sustained in the MIP group and healthy pregnancies acquired a high TNF-α level. The genotypic distribution for the TNF-α promoter −308 G/A position was observed to be nonsignificant and mildly associated during MIP (OR = 1.4) and in WWM (OR = 1.2). Moreover, based on genotypic distribution, we observed a well-correlated and significantly elevated TNF-α concentration in the mutant homozygote genotype (AA; p = 0.001) followed by heterozygotes (GA; p = 0.0001) and ancestral genotypes (GG; p = 0.0001) in both MIP and WWM subjects. The observation of elevated IL-1β and IL-6 in MIP and TNF-α in WWM may be regarded as a prognostic inflammatory marker of infection and pregnancy. Most particularly, the TNF-α concentration and its polymorphic variability in the promoter region may indicate genetic susceptibility and mildly influence the risk for P. vivax infection during pregnancy and in women with malaria.