The RVAI surgical approach to simple congenital heart defects was a safe procedure and could be performed with excellent cosmetic and clinical outcomes. It provided a good alternative to the standard MSI for simple congenital heart defects.
Systemic sclerosis (SSc) is an autoimmune disorder that affects multiple organs. It is characterized by a thickening of the dermis and connective tissue caused by collagen accumulation, and vascular injuries that induce hypoxia. The present study investigated the therapeutic potential of bone marrow-derived mesenchymal stem cells (BMSCs) expressing thioredoxin 1 (Trx-1) in treating SSc-mediated skin disease after transplantation into a bleomycin-induced murine model. Mice with bleomycin-induced SSc were subcutaneously injected with BMSCs or Trx-1-overexpressing BMSCs and exposed to hypoxic conditions for 48 hours. Two weeks later, skin tissue samples were collected to assess fibrosis, oxidative stress, and angiogenesis by western blotting, ELISA, and histologic and immunofluorescence approaches. In vivo experiments showed that Trx-1-overexpressing BMSCs inhibited hypoxia-induced apoptosis and inhibited fibrosis under hypoxic conditions, possibly by downregulating transforming growth factor-β. Trx-1-overexpressing BMSCs also promoted the formation of tubular-like structures by endothelial progenitor cells, indicating that Trx-1 can promote angiogenesis in bleomycin-induced SSc. These results demonstrate that the transplantation of Trx-1-overexpressing BMSCs restored normal skin tissue in a mouse model of bleomycin-induced SSc, highlighting the therapeutic potential of engineered BMSCs for treating SSc.
Obesity in women of reproductive age is not only associated with numerous adverse maternal and fetal effects prenatally but also exerts a negative influence on female fertility. The aim of this study was to investigate the situation of prepregnant obesity in Shanghai and explore the impact of prepregnant obesity on gestational weight gain as well as other pregnancy outcomes. A prospective hospital-based pregnant women cohort was established in Shanghai since January 2015. All pregnant women who were registered and expected to deliver in this hospital were included in the cohort. Nearly one fourth of pregnant women in Shanghai were overweight/obese and the prevalence of overweight/obesity was more common among women with advancing age (P < .001). Women prepregnancy overweight/obesity was associated with 3.5-fold higher risk of excessive gestational weight gain (odds ratio, OR 3.58; 95% confidence interval, CI, 2.82–4.55; P < .001). Women prepregnancy BMI was statistically related to pregnancy outcomes as macrosomia (OR 2.24; 95% CI, 1.55–3.23; P < .001), cesarean delivery (OR 2.04; 95% CI, 1.60–2.62; P < .001), maternal complications (OR 1.53; 95% CI, 1.18–1.98; P < .001). Prepregnancy obesity is associated with a much higher risk of excessive gestational weight gain and pregnancy outcomes in Shanghai. Further interventions targeting maternal obesity, especially prepregnancy obesity are required.
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