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Toxoplasmosis is one of the most important zoonotic diseases worldwide caused by Toxoplasma gondii that leads to abortion or hydrocephalus during pregnancy. It’s a comparative cross-sectional one designed to assess immunoglobulins and cytokines in pregnant women. A total of 300 venous blood samples were collected from each pregnant woman and centrifuged to obtain serum. Patient’s information was recorded in a questionnaire previously designed for the purpose of analysis. In addition, 40 uninfected women were enrolled in the study as control group to assess the level of IL8 and IL17 cytokines. The overall seropositive rate of Toxoplasma gondii infection was 22.6%. Within the positive cases of study population, only 16 and 13 showed positive results of IL8, IL17 respectively. The results showed highly significant increase in the mean serum level of IL8 (210.25pg/ml) and IL17 (203.15 pg/ml) when compared to the control group who showed 68.9 pg/ml and 54.8 pg/ml respectively. The serum level of proinflammatory cytokines investigated in this study seems to be increased in patients with serological evidence of Toxoplasma gondii infection. Our study concludes that IL-17 and IL-8 involved in the induction of inflammation and toxoplasmosis disease. Freely Available Online www.openaccesspub.org JPAR CC-license DOI : Coming Soon Vol-1 Issue 1 Pg. no.– 9 Introduction Toxoplasmosis is a widespread parasitic zoonosis that caused by Toxoplasma gondii and occurs throughout the world. It can infect almost all the warm blooded animals, including human beings. Toxoplasma gondii is an obligate intracellular protozoan parasite that can infect an extremely wide host range, from birds to mammals, including humans. The disease is of economic significance with regard to animal production, and it has become a public health concern since it leads to abortions and neonatal complications in humans. The definitive host for T. gondii is cat and the intermediate hosts are mammals and birds. The infection is acquired mainly by eating food or drinking water contaminated with oocysts or tissue cysts of T. gondii. Toxoplasmosis is the most common infections associated with unfavorable outcome of pregnancy. This parasite can survive in all nucleated cells, including blood cells in acute stage, forms a specific vacuole that protect the parasite from host cell immune system. In the chronic stage, the parasite can form a cyst in the central nervous system, skeletal muscle and eye tissue and can exist for the lifetime of its host. The cysts can rupture and release highly invasive trophozoite, which may cause a recurrent infection and potentially fatal if the host is in a state of immune deficiency. Primary maternal T. gondii infection through pregnancy is regularly associated with its transmission to the fetus. The transmission rate of maternal infection to the fetus is estimated to be about 45%; of these, 60% are sub-clinical infections, 9% resulting in death of the fetus and 30% have severe damages such as hydrocephalus, intracerebral calcification, chorioretinitis and mental retardation. Women who have acquisate T. gondii infection during pregnancy are treated with spiramycin to avoid transmission of T. gondii from the placenta to the fetus and with sulfadiazine and pyrimethamine to prevent fetal grievance if the fetus is found to be infected. Successful pregnancy may dependon the bias of the immune response of mother shifting away from Th-1 type response towards a Th-2 phenotype, both in murine model and human. Normal pregnancy was accompanied by a reduction in Th-1 productive capacity together with an rising in Th-2 production, most markedly in the third trimester, The cause of repeated pregnancy loss (three or more successive spontaneous miscarriages) are unsolved in the majority of women and it is thought that anomalies in the immune system may have a role in idiopathic recurrent abortion. Cellular immune effector mechanisms have been suggested as being responsible for at least a percentage of repeated spontaneous abortion (RSA). Cytokines are important mediators in the bi-directional interaction between the maternal immune system and the reproductive system during pregnancy,. Interleukin-8 (IL-8) and interleukin-17 (IL-17) are pro-inflammatory cytokines produced by several tissues upon the inducement of a number of factors, among which are membrane LPS from gram negative bacteria, Viruses and several cytokines, their action is directed towards either myeloid or non-myeloid cellular targets. Interleukin 8 (IL-8) is a chemokine produced by macrophages and other cell types such as epithelial cells. It is also synthesized by endothelial cells, which store IL-8 in their storage vesicles. IL-8, also known as neutrophil chemotactic factor, has two primary functions. It induces chemotaxis in target cells, primarily neutrophil but also other granulocytes, causing them to migrate toward the site of infection. Endometrium also produces IL-8 that is abortogenic. Mast cells are essential for inflammation by liberating several multifunctional cytokines including IL-816.If a pregnant mother has high levels of interleukin-8, there is an increased risk of schizophrenia in her offspring. The aims of this study were: 1-to assess seroprevalences (IgG and IgM) of T. gondii in women repeated spontaneous abortion and to find out if there is any significant relationship between this infection and repeated spontaneous abortion. 2-To determine the role of IL-8 and IL-17 in the immuno-regulatory pathways involved in repeated spontaneous abortion in women with or without toxoplasmosis. The aims of this study were: 1-to assess seroprevalences (IgG and IgM) of T. gondii in pregnant women 2-To determine the role of IL-8 and IL-17 in the immuno-regulatory pathways involved in in pregnant women with or without toxoplasmosis. Freely Available Online www.openaccesspub.org JPAR CC-license DOI : Coming Soon Vol-1 Issue 1 Pg. no.– 10 Material and Method A comparative cross-sectional study conducted during the period of November 2016 – June 2017 in ante natal care unit of Omdurman friendship hospital. The study aimed to to assess seroprevalences (IgG and IgM) of T. gondii and determine the role of IL-8 and IL-17 in the immuno-regulatory pathways involved in pregnant women with or without toxoplasmosis. After obtaining the informed consent socio-demographic data (age, residency) and, history of miscarriage were collected by using questionnaire. Then venous blood samples were collected in plain vacutainers and allowed to clot. Then sera were collected in Eppendorf tubes and stored at -20 ̊C and used for ELISA test to measure (IgG, IgM, Il8 and Il17) after completion of the study period. Very briefly, 50μl of diluted serum sample loaded to the antigen-coated well without touching the wall. Then incubated for 30minutes and washed thereafter by using washing buffer. Then 50μl of horseradish peroxidase-labelled anti-IgG enzyme added to the wells. Coloring solution added and finally the absorbance read at 450nm using Microtiter Plate Reader. Statistical Analysis Data were entered into computer using Statistical Package for Social Sciences (SPSS) version 20 and doubled check. Data was analyzed to determine the biological importance (p≤0.05) of cytokine level.

Cytokines Level (Il8 and Il17) in Pregnant Women with Toxoplasmosis in Khartoum State