Dataset Information

Inherited Thrombophilias Could Influence the Reproductive Outcome in Women with Systemic Lupus Erythematosus.

ABSTRACT: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease associated with different reproductive complications in the affected women. Inherited thrombophilias are genetic factors increasing the risk for thromboembolism and recurrent pregnancy loss, but their influence on other reproductive disturbances in SLE patients has not been completely clarified. Two hundred and twenty-three Caucasian women (112 with SLE and 111 controls) were included in the study. Complete reproductive history of all SLE patients was carefully obtained. Genotyping for the FVLeiden, FIIG20210A, and MTHFRC677T polymorphisms was performed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis. No significant differences in the prevalence of the FVLeiden, FIIG20210A, and MTHFRC677T polymorphisms between patients and controls were established. Patients with FVLeiden had fewer pregnancies (0.57 ± 0.98 vs. 2.18 ± 1.58; p = 0.007) than the others, while no significant differences in the reproductive history of FIIG20210A carriers and non-carriers were observed (p >0.05). In the SLE group, 41.67% of women with the MTHFRC677T TT genotype had at least one miscarriage in comparison to only 14.00% of the other female patients (p = 0.030). While the prevalence of the investigated thrombophilias was similar in patients with SLE and healthy women, a substantial influence of the inherited prothrombotic factors on the reproductive history of patients was revealed. The investigations of the FVLeiden and MTHFRC677T polymorphisms in SLE patients could help to identify women at highest risk for reproductive failure and thus, further studies in other ethnic groups would be of strong clinical importance.

SUBMITTER: Robeva R

PROVIDER: S-EPMC5596818 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Inherited Thrombophilias Could Influence the Reproductive Outcome in Women with Systemic Lupus Erythematosus.

Robeva R R Tanev D D Andonova S S Nikolova M M Tomova A A Kumanov Ph P Savov A A Rashkov R R Kolarov Zl Z

Balkan journal of medical genetics : BJMG 20170630 1

Systemic lupus erythematosus (SLE) is a chronic autoimmune disease associated with different reproductive complications in the affected women. Inherited thrombophilias are genetic factors increasing the risk for thromboembolism and recurrent pregnancy loss, but their influence on other reproductive disturbances in SLE patients has not been completely clarified. Two hundred and twenty-three Caucasian women (112 with SLE and 111 controls) were included in the study. Complete reproductive history o ...[more]

PMID: 28924537

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Project description:BackgroundEffectively predicting the risk of adverse pregnancy outcome (APO) in women with systemic lupus erythematosus (SLE) during early and mid-pregnancy is a challenge. This study was aimed to identify potential markers for early prediction of APO risk in women with SLE.MethodsThe GSE108497 gene expression dataset containing 120 samples (36 patients, 84 controls) was downloaded from the Gene Expression Omnibus database. Weighted gene co-expression network analysis (WGCNA) was performed, and differentially expressed genes (DEGs) were screened to define candidate APO marker genes. Next, three individual machine learning methods, random forest, support vector machine-recursive feature elimination, and least absolute shrinkage and selection operator, were combined to identify feature genes from the APO candidate set. The predictive performance of feature genes for APO risk was assessed using area under the receiver operating characteristic curve (AUC) and calibration curves. The potential functions of these feature genes were finally analyzed by conventional gene set enrichment analysis and CIBERSORT algorithm analysis.ResultsWe identified 321 significantly up-regulated genes and 307 down-regulated genes between patients and controls, along with 181 potential functionally associated genes in the WGCNA analysis. By integrating these results, we revealed 70 APO candidate genes. Three feature genes, SEZ6, NRAD1, and LPAR4, were identified by machine learning methods. Of these, SEZ6 (AUC = 0.753) showed the highest in-sample predictive performance for APO risk in pregnant women with SLE, followed by NRAD1 (AUC = 0.694) and LPAR4 (AUC = 0.654). After performing leave-one-out cross validation, corresponding AUCs for SEZ6, NRAD1, and LPAR4 were 0.731, 0.668, and 0.626, respectively. Moreover, CIBERSORT analysis showed a positive correlation between regulatory T cell levels and SEZ6 expression (P < 0.01), along with a negative correlation between M2 macrophages levels and LPAR4 expression (P < 0.01).ConclusionsOur preliminary findings suggested that SEZ6, NRAD1, and LPAR4 might represent the useful genetic biomarkers for predicting APO risk during early and mid-pregnancy in women with SLE, and enhanced our understanding of the origins of pregnancy complications in pregnant women with SLE. However, further validation was required.

Dataset Information

Inherited Thrombophilias Could Influence the Reproductive Outcome in Women with Systemic Lupus Erythematosus.

Publications

Inherited Thrombophilias Could Influence the Reproductive Outcome in Women with Systemic Lupus Erythematosus.

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