Detection of Toxoplasma gondii in Acute and Chronic Phases of Infection in Immunocompromised Patients and Pregnant Women with Real-time PCR Assay Using TaqMan Fluorescent Probe

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MOUSAVI PARISA; MIRHENDI HOSSEIN; MOHEBALI MEHDI; SHOJAEE SAEEDEH; KESHAVARZ VALIAN HOSSEIN; FALLAHI SHIRZAD; MAMISHI SETAREH

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Journal: IRANIAN JOURNAL OF PARASITOLOGY Year:2018 | Volume:13 | Issue:3 Page(s): 373-381

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Title

Detection of Toxoplasma gondii in Acute and Chronic Phases of Infection in Immunocompromised Patients and Pregnant Women with Real-time PCR Assay Using TaqMan Fluorescent Probe

Author(s)

Keywords

Real time PCR

Immunocompromised patients

Pregnant women

RE gene

B1 gene

TaqMan fluorescent probe

Abstract

Background: Toxoplasma gondii, cause severe medical complications in infants and immune-compromised individuals. As using early, sensitive and rapid technique has major in diagnosis of toxoplasmosis, the present study was aimed to detect parasite by using from repetitive element (RE) and B1genes, in blood samples of seropositive Immunocompromised patients and Pregnant women. Methods: A total of 110 peripheral blood samples were collected from seropositive cases with anti-T. gondii antibodies, including Immunocompromised patients and Pregnant women. DNA was extracted by a commercial kit and subjected to TaqMan probebased real-time PCR assay by using primers and probes specific for RE and B1 genes, separately. The data were analyzed by Kappa test and SPSS-22 software. Results: In the Pregnant women, 17 (68%) and 14 (56%) samples from 25 IgM+/ IgG+ cases and, 7 (25%) and 6 (21. 4%) samples from 28 IgG+/IgM-cases were positive by RE and B1 Real time PCR, respectively. Likewise, in immunocompromised group, 20 (66. 6%) and 17 (56. 6%) samples from 30 IgM+/ IgG+ cases and 2 (7. 4%) and 2 (7. 4%) samples from 27 IgG+/ IgM-cases were positive by RE and B1 Real time PCR, respectively. Conclusion: Probe-based Real time PCR assay is a quantitative approach for early diagnosis of T. gondii infection in clinical samples. Moreover, this method can be more appropriate in diagnosis of acute and reactivated toxoplasmosis. In addition our results indicated that RE gene is more sensitive than B1 gene.

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APA: Copy

MOUSAVI, PARISA, MIRHENDI, HOSSEIN, MOHEBALI, MEHDI, SHOJAEE, SAEEDEH, KESHAVARZ VALIAN, HOSSEIN, FALLAHI, SHIRZAD, & MAMISHI, SETAREH. (2018). Detection of Toxoplasma gondii in Acute and Chronic Phases of Infection in Immunocompromised Patients and Pregnant Women with Real-time PCR Assay Using TaqMan Fluorescent Probe. IRANIAN JOURNAL OF PARASITOLOGY, 13(3), 373-381. SID. https://sid.ir/paper/304284/en

Vancouver: Copy

MOUSAVI PARISA, MIRHENDI HOSSEIN, MOHEBALI MEHDI, SHOJAEE SAEEDEH, KESHAVARZ VALIAN HOSSEIN, FALLAHI SHIRZAD, MAMISHI SETAREH. Detection of Toxoplasma gondii in Acute and Chronic Phases of Infection in Immunocompromised Patients and Pregnant Women with Real-time PCR Assay Using TaqMan Fluorescent Probe. IRANIAN JOURNAL OF PARASITOLOGY[Internet]. 2018;13(3):373-381. Available from: https://sid.ir/paper/304284/en

IEEE: Copy

PARISA MOUSAVI, HOSSEIN MIRHENDI, MEHDI MOHEBALI, SAEEDEH SHOJAEE, HOSSEIN KESHAVARZ VALIAN, SHIRZAD FALLAHI, and SETAREH MAMISHI, “Detection of Toxoplasma gondii in Acute and Chronic Phases of Infection in Immunocompromised Patients and Pregnant Women with Real-time PCR Assay Using TaqMan Fluorescent Probe,” IRANIAN JOURNAL OF PARASITOLOGY, vol. 13, no. 3, pp. 373–381, 2018, [Online]. Available: https://sid.ir/paper/304284/en

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