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Causal Relationship Between Circulating Immune Cells and Recurrent Spontaneous Abortion: A Bidirectional Mendelian Randomization Study.
Yu, Hailin; Hu, Xianyang; Huang, Xixi; Yin, Tingxuan; Liu, Lu; Yue, Chaoyan; Du, Meirong.
Afiliação
  • Yu H; Laboratory for Reproductive Immunology, Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai Medical College, Shanghai, China.
  • Hu X; Laboratory for Reproductive Immunology, Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai Medical College, Shanghai, China.
  • Huang X; Laboratory for Reproductive Immunology, Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai Medical College, Shanghai, China.
  • Yin T; Laboratory for Reproductive Immunology, Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai Medical College, Shanghai, China.
  • Liu L; Laboratory for Reproductive Immunology, Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai Medical College, Shanghai, China.
  • Yue C; Department of Clinical Laboratory, Obstetrics and Gynecology Hospital of Fudan University, Shanghai Medical College, Shanghai, China.
  • Du M; Laboratory for Reproductive Immunology, Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai Medical College, Shanghai, China.
Am J Reprod Immunol ; 91(6): e13888, 2024 Jun.
Article em En | MEDLINE | ID: mdl-38923068
ABSTRACT

BACKGROUND:

Recurrent spontaneous abortion (RSA) is a serious and common complication of pregnancy caused by multiple factors. The etiology remains incompletely understood, but immunologic factors play important roles. Here, we aimed to evaluate whether circulating immune cells causally impacted RSA.

METHODS:

In this study, we conducted a comprehensive two-sample Mendelian randomization (MR) study to determine the causal association between the 731 immunophenotypes of human peripheral blood lymphocytes and the number of spontaneous abortions as well as recurrent miscarriage. Sensitivity analyses were performed to assess and minimize heterogeneity and horizontal pleiotropy. Reverse MR analysis was used to assess reverse causality.

RESULTS:

After Bonferroni-correction, eight immunophenotypes were significantly associated with the number of spontaneous abortions FSC-A on CD4+ T cell (beta = -0.051, 95% CI = [-0.085, -0.017], P-value = 0.004), CD8 on HLA DR+ CD8+ T cell (beta = -0.040, 95% CI = [-0.067, -0.014], P-value = 0.003), HLA DR on CD33dim HLA DR+ CD11b- (beta = -0.021, 95% CI = [-0.036, -0.005], P-value = 0.010), HLA DR+ T cell Absolute Count (beta = 0.022, 95% CI = [0.006, 0.037], P-value = 0.008), HLA DR+ T cell % lymphocyte (beta = 0.026, 95% CI = [0.010, 0.041], P-value = 0.001), HLA DR+ T cell % T cell (beta = 0.023, 95% CI = [0.007, 0.039], P-value = 0.004), HLA DR+ CD4+ T cell % lymphocyte (beta = 0.034, 95% CI = [0.007, 0.060], P-value = 0.012), and HLA DR on B cell (beta = 0.012, 95% CI = [0.003, 0.021], P-value = 0.010). In addition, we identified two immunophenotypes associated with recurrent miscarriage HLA DR on B cell (OR = 0.854, 95% CI = [0.757, 0.964], P-value = 0.011), and CD19 on naive-mature B cell (OR = 4.595, 95% CI = [1.674, 12.617], P-value = 0.003). There was no evidence of heterogeneity, horizontal pleiotropy and reverse causality.

CONCLUSIONS:

Our study demonstrated a tight link between adaptive immune cells and RSA through genetic means, thus providing potential therapeutic targets or novel diagnostic biomarkers.
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Texto completo: 1 Bases de dados: MEDLINE Assunto principal: Aborto Habitual / Imunofenotipagem / Análise da Randomização Mendeliana Limite: Female / Humans / Pregnancy Idioma: En Revista: Am J Reprod Immunol Ano de publicação: 2024 Tipo de documento: Article País de afiliação: China

Texto completo: 1 Bases de dados: MEDLINE Assunto principal: Aborto Habitual / Imunofenotipagem / Análise da Randomização Mendeliana Limite: Female / Humans / Pregnancy Idioma: En Revista: Am J Reprod Immunol Ano de publicação: 2024 Tipo de documento: Article País de afiliação: China