Antitrophoblast antibodies are associated with recurrent miscarriages  

Oleh:

Rogenhofer, Nina ; Ochsenkuhn, Robert ; Schonfeldt, Viktoria von ; Assef, Rudah Brentano

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 97 no. 02 (Feb. 2012), page 361-366.
Topik: Pregnancy Loss; Recurrent Miscarriages; Anti-Trophoblast Antibodies; JEG-3 Choriocarcinoma Cells

Ketersediaan

Perpustakaan FK Nomor Panggil: F02.K.2012.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Objective To investigate whether antitrophoblast antibodies are associated with unexplained recurrent miscarriages, we used choriocarcinoma cells JEG-3, since these cells are negative for class I and II antigens, but they do express HLA-G, resembling an antigen expression of endovascular and interstitial trophoblasts. Design Case-control study. Setting Academic research center. Patient(s) One hundred ninety-four patients with two or more consecutive, idiopathic recurrent miscarriages (RM; <20 weeks of gestation) were compared with 110 controls with normal pregnancies and without pregnancy complications. Intervention(s) Anti-JEG-3 reactivities were measured by using flow cytometry and comparisons with two in-house standards antibody samples of low and high reactivity. Main Outcome Measure(s) Anti-JEG-3 reactivities above the 95% confidence interval of controls were defined as positive. Result(s) Sera of RM patients reacted significantly stronger with JEG-3 cells than that of controls. In addition, RM patients significantly more often had positive anti-JEG-3 reactivities (17.5%) than controls 5%. This difference was markedly increased with a subgroup of 80 RM patients who had three or more miscarriages, as 27 of these women (34%) were anti-JEG-3 positive. Conclusion(s) Antitrophoblast antibodies show significantly more mean channel shift reactivities, and positive reactivities are significantly more prevalent in RM patients as compared with controls. Such antibodies may be involved in mechanisms affecting pregnancies.

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