Publications by authors named "Xunke Gu"

4 Publications

  • Page 1 of 1

Maternal lipid levels in preeclampsia: singleton vs. twin pregnancies.

J Matern Fetal Neonatal Med 2021 Apr 7:1-8. Epub 2021 Apr 7.

Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, PR China.

Objective: To compare the maternal lipid levels in preeclampsia (PE) patients between singleton and twin pregnancies.

Methods: In this retrospective study, pregnant women with PE were divided into singleton group ( = 702) and twin group ( = 198). Serum lipids which include total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C) were measured and the TC/HDL-C ratio, TG/HDL-C ratio, and LDL-C/HDL-C ratio were calculated and compared between the two groups. Covariance analysis was used to correct the potential factors affecting serum lipid levels such as maternal age, pre-pregnancy body mass index, gestational weight gain, etc.

Results: The levels of TC, TG, LDL-C, and TC/HDL-C ratio, TG/HDL-C ratio, LDL-C/HDL-C ratio in twin PE were significantly higher than those in singleton PE group, and there was no significant difference in the level of HDL-C between the two groups. In late-onset PE patients, the lipid levels of TC, TG, LDL-C, and TC/HDL-C ratio, TG/HDL-C ratio, LDL-C/HDL-C ratio in twin PE group were significantly higher than those in singleton PE group, with no significant difference in the level of HDL-C. However, in early-onset PE patients, there were no significant differences in the lipid levels between the two groups.

Conclusions: There were more obvious lipid disturbances such as higher levels of TC, TG, LDL-C, and TC/HDL-C ratio, TG/HDL-C ratio, LDL-C/HDL-C ratio in twin PE group than singleton PE group. The differences of lipid levels appeared mainly in late-onset PE group, while the lipid levels in twin PE group were similar to those in singleton PE group during pregnancy in early-onset PE group.
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http://dx.doi.org/10.1080/14767058.2021.1907335DOI Listing
April 2021

Gut Microbiota Dysbiosis and Increased Plasma LPS and TMAO Levels in Patients With Preeclampsia.

Front Cell Infect Microbiol 2019 3;9:409. Epub 2019 Dec 3.

Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China.

To characterize the gut microbiota in patients with preeclampsia (PE) compared with healthy controls. We analyzed and compared the microbiota communities in the feces of 48 PE patients with 48 age-, gestational weeks-, and pre-pregnancy body mass index-matched healthy controls using 16S rRNA gene sequencing, and also we tested fecal and plasma lipopolysaccharide (LPS) and plasma trimethylamine-N-oxide (TMAO) concentration levels in the two groups. Compared with the control group, microbial alpha diversity was lower in the PE group, but there was no statistically significant difference between the two groups. At the phylum level, Firmicutes (51.64% PE vs. 59.62% Control, < 0.05), Bacteroidetes (40.51% PE vs. 34.81% Control, < 0.05), Proteobacteria (4.51% PE vs. 2.56% Control, < 0.05), and Actinobacteria (2.90% PE vs. 1.77% Control, < 0.05), exhibited significant differences between the PE group and the control group. LEfSe analysis found 17 differentially abundant taxa between the two groups. PICRUSt analysis found that in the KEGG pathways, the microbial gene functions related to LPS biosynthesis were higher in the fecal microbiome of the PE group. The fecal and plasma LPS concentrations and plasma TMAO concentrations of PE patients were higher than those of the healthy controls. PE patients had gut microbiota dysbiosis and increased plasma LPS and TMAO levels, which will lead to a better understanding of the relationship between the gut microbiota and PE.
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http://dx.doi.org/10.3389/fcimb.2019.00409DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6901393PMC
August 2020

Co-morbidity of cervical incompetence with polycystic ovarian syndrome (PCOS) negatively impacts prognosis: A retrospective analysis of 178 patients.

BMC Pregnancy Childbirth 2016 10 12;16(1):308. Epub 2016 Oct 12.

Obstetrics & Gynecology Department, Peking University Third Hospital, Beijing, 100191, China.

Background: Cervical incompetence is an important cause of miscarriage and premature birth and polycystic ovary syndrome is a heterogeneous endocrine disorder that is the most common cause of anovulatory infertility and eugonadotrophic hypogonadism. By now, it is still debated whether women with PCOS have an increased risk of miscarriage and there have been no studies about the pregnancy outcomes of cervical incompetence patients with PCOS.

Methods: The following clinical data of cervical incompetence patients with/without PCOS who were treated between September 2006 and September 2013 were retrospectively analysed: onset gestational age, termination gestational age, pregnancy outcome, co-morbid insulin resistance (IR) in PCOS patients, the influence of IR, co-morbid hyperandrogenism (HA) in PCOS patients, and the influence of HA. The independent samples t-test and chi-square trend test were used to analyse the data.

Results: A total of 178 singleton pregnancy cases with cervical incompetence were identified. The average onset gestational age was 23.9 ± 4.3 weeks, and the average termination gestational age was 32.5 ± 5.5 weeks. Of these 178 singleton pregnancy cases, 40 (22.5 %) ended in miscarriage, 82 (46.1 %) ended in preterm birth, and 56 (31.5 %) ended in term birth. Eighty cases (44.9 %) exhibited PCOS co-morbidity, and those cases had an average onset gestational age of 22.3 ± 3.8 weeks and an average termination gestational age of 31.2 ± 5.7 weeks, which were both significantly different from those of the non-PCOS group (both P < 0.001). Compared with the non-PCOS group (15.3 % miscarriage, 48.0 % preterm birth, and 36.7 % term birth), the PCOS group exhibited worse pregnancy outcomes (31.3 % miscarriage, 43.8 % preterm birth, and 25 % term birth) (P = 0.01). Among the 80 PCOS patients, 45 (56.3 %) exhibited co-morbid IR, and the IR group exhibited significantly worse pregnancy outcomes than the non-IR group (P = 0.03). Among the 80 PCOS patients, 54 cases (67.5 %) exhibited co-morbid HA, and there was no statistical difference on the pregnancy outcomes between the two groups. The multivariate logistic regression model revealed that PCOS was significantly correlated with miscarriage (OR: 3.72, 95 % CI: 1.37-10.13).

Conclusions: The cervical incompetence patients with co-morbid PCOS exhibited earlier onset gestational ages, earlier termination gestational ages and worse pregnancy outcomes. For patients with co-morbid insulin resistance, the pregnancy outcomes were worse than expected.
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http://dx.doi.org/10.1186/s12884-016-1094-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5062886PMC
October 2016

[Serum relaxin in cervical incompetence patients].

Zhonghua Yi Xue Za Zhi 2015 Sep;95(35):2817-20

Department of Obstetrics & Gynecology, Peking University Third Hospital, Beijing 100191, China; Email:

Objective: To analyze the serum relaxin and clinical character of cervical incompetence patients and normal pregnant women.

Methods: A total of 33 cervical incompetence patients (research group) and 33 normal pregnancy women with the same gestational age (control group) were recruited into the study. The serum relaxin level was detected with enzyme labeled immunosorbent assay (ELSIA) in the two groups, and the cervical length of early pregnancy period (cm), body mass index (BMI, kg/m2), frequency of polycystic ovary syndrome (%), gestational diabetes mellitus/diabetes mellitus (%) and outcomes in the two groups were analyzed with independent samples t test and chi-square test.

Results: All the cervical incompetence patients were recruited between Feb. 2008 and Sept. 2012, with the average termination gestational age of 30±6 weeks. Among them, 15 (45.45%) was abortion, 12 (36.36%) was preterm birth, 6 (16.18%) was term birth. The average BMI before pregnancy was 27±4 kg/m2, and the average serum relaxin was 2,748±82 mg/L; for the 33 patients in the control group, the average termination gestational age was 38±3 weeks, and 1 (3.03%) of them was abortion, 4 (12.12%) was preterm birth, 28 (84.85%) was term birth. The average BMI before pregnancy was 23±3 kg/m2, the average serum relaxin was 2,602±126 mg/L. Compared with the control group, the research group had more patients who complicated with polycystic ovary syndrome and gestational diabetes mellitus/diabetes mellitus (P<0.01, <0.05) and worse pregnancy outcomes (P<0.01); the average BMI before pregnancy and the average serum relaxin level of the research group were significantly higher than control group (P<0.01, P<0.01). Analysis through the unconditional logistic regression showed that BMI and serum relaxin were both independent risk factors of cervical incompetence.

Conclusions: The high level of serum relaxin is an independent risk factor of cervical incompetence; women with polycystic ovary syndrome may more likely to have cervical incompetence and serum relaxin may have the predictive value for cervical incompetence.
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September 2015