• Erkan Yurtcu, Deniz Karçaaltıncaba, Hasan Hüseyin Kazan, Halis Özdemir, Meral Yirmibeş Karaoğuz, Pinar Çalış, Gülsüm Kayhan, Sezen Güntekin Ergün, Ferda Perçin, Merih Bayram, Mustafa Necmi İlhan, Gamze Bilgili, Tuğrul Kaymak, and Mehmet Ali Ergün.
• Department of Medical Biology, Faculty of Medicine, Başkent University,Ankara, Turkey
• Turk J Med Sci. 2021 Jun 28; 51 (3): 1043-1048.

Background/AimPrenatal diagnosis is vital to obtain healthy generation for risky pregnancies. There have been several approaches, some of which are routinely applied in clinics to evaluate the possible prenatal deficiencies and/or diseases. In the present study, we aimed to isolate the fetal cells from endocervical samples and try to identify possible anomalies which were proved by Amniocentesis (AS) and chorionic villus sampling (CVS) methods.Materials And MethodsEndoservical specimens were collected from 100 pregnant women. Cells were separated in parallel by fluorescence-activated cell sorting (FACS) and magnetic-activated cell sorting (MACS) using human leukocyte antigen (HLA) G233 and placental alkaline phosphatase (PLAP) antibodies. CMA (comprehensive meta-analysis) were carried out and male fetuses were confirmed with Sex determining region Y (SRY) amplification.ResultsThe percent of HLA G233 and placental and placental alkaline phosphatase (PLAP) positive cells were 4.55% and 84.59%, respectively. The percent of cells positive for both markers was 14.75%. CMA analyses were not informative. (SRY) was amplified in 67% of the samples.ConclusionHowever, the success rate of the both cell sorting and scanning of DNA anomalies by aCGH and/or RT-PCR was limited, preventing the applicability of this proposal in the clinics. Still, the success of the proposed method depends on the development of the novel fetal cell-specific antibodies and the improvements in the sorting systems.This work is licensed under a Creative Commons Attribution 4.0 International License.

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