1.Application of dried blood spot in newborn screening for inherited metabolic diseases
Yifei DUAN ; Yali CUI ; Yongmei JIANG
Chinese Journal of Laboratory Medicine 2015;38(4):220-222
Neonatal inherited metabolic diseases are a group of metabolic disorders caused by singe gene defect to cause a series of clinical symptoms.Neonatal dried blood spots have the advantages of simple preparation,safety,good stability,and show strong practicability in different screening methods for inherited metabolic diseases.With the development of screening methods,more and more diseases could be diagnosed by screening.The emergence of tandem mass spectrometry and molecular biological techniques promote the newborn screening and automation for inherited metabolic disease effectively.Inherited metabolic diseases induce great harm to the newborn,which could cause not only system organs damage,but also lead to death.Therefore,early screening is important for patients' prognosis.
2.Analysis for the prognosis of patients with pulmonary carcinosarcoma
Oi ZHOU ; Gening JIANG ; Tingsong FANG ; Liang DUAN ; Ming LIU ; Yifei TANG
China Oncology 2010;20(1):59-61
Background and purpose: Carcinosarcoma of the lung is a rare malignant pulmonary neoplasm,which including epithelial and parenchymal malignant structure with a poor prognosis. The purpose of this study was to describe the clinicopathologic characteristics and the survival of pulmonary carcinosarcoma. Methods: From Jan.1980 to Dec. 2006, 64 patients with pulmonary carcinosarcoma who underwent surgical treatment were retrospectively analyzed. Results: The overall 5-year survival rate of the patients was 14.1%. There was significant difference between stage Ⅰ/Ⅱ and stage Ⅲ/Ⅳ disease (28.6% vs 2.8%, P=0.003), respectively. The 5-year survival rates of lobectomy, pneumonectomy and palliative resection were 3 3.3 %, 2.8% and 0% ( P=0.003 ), respectively. Conclusion:p-TNM and operative pattern were correlated with survival. Early diagnosis and radical operation are important to the survival of the patients with pulmonary carcinosarcoma.
3.Effect of long non-coding RNAs on glycolytic pathway in primary liver cancer and related mechanisms
Yifei DUAN ; Qingxi ZHAO ; Xue JING
Journal of Clinical Hepatology 2019;35(6):1374-1376
Primary liver cancer is a common malignant tumor with complex pathogeneses and has the features of insidious onset, high degree of malignancy, and poor prognosis. The change in glycolytic pathway is one of the most important differences between tumor cells and normal cells, and tumor cells prefer to generate energy from glycolysis. Aerobic glycolysis is often associated with the progression and poor prognosis of primary liver cancer. Long non-coding RNAs (lncRNAs) can influence the glycolysis pathway in many tumors by regulating glucose uptake and the expression and activation of glycolytic enzymes and thus play an important role in the development and progression of primary liver cancer, which suggests that lncRNAs can be used as a therapeutic target for liver cancer. This article summarizes the influence of lncRNAs on primary liver cancer and glucose metabolism and related mechanisms, so as to find potential and effective targeted therapies for primary liver cancer.
4.Protective effect of dexamethasone on stress response induced by intrauterine balloon aortic valvuloplasty in a fetal lamb model
Kaiyu ZHOU ; Yimin HUA ; Liang ZHAO ; Yifei LI ; Chuan WANG ; Ming YANG ; Hongyu DUAN ; Gang WU ; Nan GUO ; Qi ZHU
Journal of Clinical Pediatrics 2013;(7):660-665
Objective To investigate the protective effect of dexamethasone on stress response induced by intraute-rine balloon aortic valvuloplasty (IUBAV) in a fetal lamb model. Methods Twenty-four near term twin pregnant goats were randomly assigned to control group (n=12) and dexamethasone group (intracardiac injection of dexamethasone) (n=12). Ultrasound guided IUBAV model was established. According to the combination of treatment and operation, 48 fetal lambs were divided into four groups. The following parameters were dynamically monitored by ultrasound, which were fetal and neonatal heart rate (HR), cardiac rhythm, aortic resistance index (RI) and pulsatility index (PI). On established IUBAV model, blood samples and liver tissue specimens were taken from fetal/neonatal goats for detection of blood glucose (Glu), lactate acid (LA), plasma epinephrine (E), norepinephrine (NE), cortisol (Cort), hepatic glycogen staining. Results IUBAV resulted in increased values of Glu, LA, E, NE and Cort levels, and decreased pH value, there were significant differences between pre-and 3h-post procedure (P<0.05), and significant differences were also existed in these values between pre-and 3d-post procedure (P<0.05). After administrating dexamethasone, the changes of Glu, LA, E, NE, Cort and pH levels were suppressed effectively. Fetal hepatic glycogen was consumed in large amounts due to IUBAV while recovered 3 days after IUBAV by glycogen staining. After administrating dexamethasone, hepatic glycogen consumption related to IUBAV was obviously inhibited. After IUBAV, fetal aortic RI was increased, and there was significant differences compared with pre-procedure (P<0.05). Up to 3d-post procedure, the values of RI recovered to some extent, but statistical difference was exist-ed compared with pre-procedure (P<0.05). After administrating of dexamethasone, increased aortic RI was effectively sup-pressed. Conclusions IUBAV could lead to reversible stress response and increased aortic RI in a fetal lamb model which could be alleviated by dexamethasone.
5.Fluctuation of elevated blood pressure among 6-8 years old children in Beijing
ZHEN Guoxin, SHU Wen, ZHAO Ruilan, DUAN Junwei, LI Li, ZHAO Fangfang, LI Menglong, HU Yifei
Chinese Journal of School Health 2021;42(5):656-658
Objective:
To explore differences in the detection rate of elevated blood pressure (BP) in children aged 6-8 years old, and to verify the apparent existence of white-coat hypertension (BP) in children.
Methods:
Based on census data(PROC), and three subsequent BP readings were taken during follow-ups which were carried out from October 2018 to June 2019. A total of 1 785 children were included in the present study. Using updating blood pressure reference for Chinese children aged 3-17 years, compared the BP detection rate at baseline, at the first follow-up, and the average value of the last two BP readings. Fluctuations in the detection rate of elevated BP in children at different time-points were analyzed.
Results:
The detection rates of the three elevated BP measurements of 6-8-year-old children were 57.65%, 25.88% and 15.46%, respectively, and the detection rate was higher among boys than girls. The detection rate of baseline BP was higher than that of the first follow-up BP measurements and the average of the last two BP measurements(P<0.01). Given the agreement in the diagnosis of high SBP, high DBP, high BP at baseline, and the average of the last two follow-up BP measurements, elevated BP at baseline was the lowest among the three groups and SBP was higher than DBP.
Conclusion
Blood Pressure fluctuations might be caused by transient tension that was experienced during the baseline BP measurement and during the first of the three follow-ups. Therefore, the average value of last two BP measurements may better reflect the real BP level in children.
6.Association between visceral adiposity index and nonalcoholic fatty liver among overweight and obese children in Beijing
LI Yindong, LI Menglong, DUAN Junwei, SHU Wen, LI Ziang, ZHEN Guoxin, ZHAO Ruilan, HU Yifei
Chinese Journal of School Health 2021;42(5):659-662
Objective:
To examine the association between the visceral adiposity index (VAI) and nonalcoholic fatty liver disease (NAFLD) in the pediatric population in order to improve risk stratification and prevention systems for chronic liver disease.
Methods:
A total of 510 overweight/obese children aged 6-8 years old were enrolled from the child cohort which was designed to study puberty, obesity, and cardiovascular risk (PROC), and complete data from liver ultrasounds and the VAI were obtained. Used Spearman s rank correlation coefficient, Chi-square tests, and Logistic regression analyses to explore the association between the VAI and NAFLD.
Results:
The detection rates of NAFLD for boys and girls were 25.9% and 11.1%, respectively. VAI for normal group and the NAFLD group were 0.43(0.31, 0.61) and 0.61(0.44, 0.87) in boys, and 0.74(0.56, 1.07) and 1.08(0.67, 1.51) in girls, respectively. Spearman s correlation coefficient analysis showed that triglycerides(TG), VAI, and the third quintile VAI group were positively correlated with NAFLD in both boys and girls(r=0.19,0.26,0.29;0.16,0.16,1.18,P<0.05), and high-density lipoprotein-cholesterol (HDL-C) was negatively correlated with NAFLD in boys (r=-0.21, P<0.05). With advancing tertiles of VAI, the increasing trend in the NAFLD detection rate was statistically significant in boys and girls(Chi-square for trend were 21.77,7.66, P<0.01). The results of univariate and multivariable Logistic regression showed that, by taking the first tertile of VAI as a reference, the risk of NAFLD among boys was higher in the second tertile (cOR=2.59, 95%CI=1.15-5.86; aOR=2.33, 95%CI=1.01-5.36) and in the third tertile(cOR=5.73, 95%CI=2.62-12.53; aOR=4.87, 95%CI=2.15-11.03), where as the risk among girls was higher in the third tertile(cOR=4.43, 95%CI=1.40-14.00).
Conclusion
VAI is positively correlated with pediatric NAFLD. Higher tertiles of VAI were associated with an increased risk of NAFLD in overweight and obese children, which indicates that VAI can be used as an early predictor of NAFLD.
7.Recent advance in clinical trials and animal experiments regarding teratogenic effects of anti-seizure medication
Qiulei HONG ; Yifei DUAN ; Leihao SHA ; Yilin XIA ; Yusha TANG ; Lei CHEN
Chinese Journal of Neuromedicine 2024;23(9):940-946
Pregnant women account for 40% of all epilepsy patients, and the economic burden of pregnant women with epilepsy is 5 times higher than that of non-pregnant patients. Additionally, the rates of stillbirth and congenital malformations in pregnant women with epilepsy are 5 times greater than those in normal pregnant women. Therefore, it is crucial to comprehensively review and summarize the management of pregnant women with epilepsy to reduce the burden of the disease. This study provides a thorough review on teratogenic effects of anti-seizure medications (ASMs) used during pregnancy, and summarizes the effects of ASMs on health of offspring and offers clinical management recommendations for pregnant women with epilepsy, aiming to provide guidance for safe use of medications during pregnancy.
8.Sex differences in the growth and physical development of Beijing school aged children and adolescents
Chinese Journal of School Health 2021;42(4):510-514
Objective:
The study aimed to explore sex differences in the growth and physical development of Beijing school-aged children and adolescents.
Methods:
Data obtained from regular health examinations of 94 122 school-aged children and adolescents aged 6-18 years old were collected from primary and high schools in Shunyi District from 2009 to 2018, and a longitudinal dataset was compiled with complete anthropometric parameters including height, weight, and BMI levels after linkage of individuallevel information. The age-specific growth rate was calculated and a linear mixed-effects model was used to identify sex differences according to chronological or relative age to peak height velocity (PHA).
Results:
Height, weight, and BMI levels increased with age in both boys and girls. Girls were taller than boys in the 10-11 year-old age group, catch-up growth in height was observed in boys at age 12, whose height surpassed that of girls thereafter. Boys had a higher weight and BMI than girls in all age groups (P<0.01). Sex differences were found in the growth rates of height, weight, and BMI levels(t=-67.56,-47.46,3.22,P<0.01), which was demonstrated by the interaction effect of sex and age in the linear mixed-effects model. The PHA in boys was 12 years old, which was two years later than the PHA in girls. Boys reached peak weight velocity at 12 years old, lagging one year behind girls who reached their peak at 11 years old. The curves of the BMI growth rate with age showed double peaks in boys and the first peak appeared at 10 years, which was one year earlier than girls. The change in weight was highly synchronized in time with the increase in height, after adjusting for the growth rate of weight by PHA. Weight velocity increased with age before the onset of puberty until PHA, and then it declined; boys presented with obvious fat accumulation before the onset of puberty.
Conclusion
Sex differences in the growth and physical development of school-aged children and adolescents were persistent and apparent, and the change in weight was highly synchronized in time with the increase in height.
9.Association between carotid intima-media thickness and visceral fat area in children aged 6-7 years
LI Menglong, ZHAO Ruilan, SHU Wen, DUAN Junwei, ZHAO Fangfang, LI Li, ZHEN Guoxin, HU Yifei
Chinese Journal of School Health 2020;41(3):413-415
Objective:
To identify the association of carotid intima-media thickness (cIMT) and visceral fat area (VFA) to inform prevention of cardiovascular disease in later life.
Methods:
All the grade one students of six non-boarding primary schools in Shunyi District, Beijing were enrolled, based on population-based survey design, to establish the child cohort on sensitization, puberty, obesity and cardiovascular risk (PROC). Socio-demographic information survey and anthropometric measure, blood and urine test were carried out. Robust linear regression was used to determine the relationship between cIMT and other factors.
Results:
Among 1 711 participants, a significant difference were observed between normal, overweight and obesity children on cIMT [(0.35±0.02)(0.36±0.02)(0.37±0.03)mm] (F=41.4, P<0.01) and VFA [16.2(13.6-19.3), 22.7(18.6-27.3), 51.5(33.9-73.0)cm2] (χ2=854.5, P<0.01). After adjusting age and sex, univariate robust linear regression showed that cIMT was associated with height, SBP, DBP, HDL-C, VFA (P<0.05) and TG (P=0.055). Multivariable robust linear regression indicated that in total and boys only included models, cIMT was associated with VFA and SBP(β=0.000 2, 0.000 2, 0.000 2, 0.000 2, P<0.05); while in girls only included model cIMT was associated with VFA and TG (β=0.000 2, 0.006 2, P<0.05).
Conclusion
VFA is stable to predict the increase of cIMT in children. We can use VFA to simplify the classification management of children and inform targeted early prevention of cardiovascular disease in adulthood.
10.Application status of electrical stimulation and repetitive transcranial magnetic stimulation in postherpetic neuralgia
Yufeng YANG ; Yanhong LI ; Yuhui WANG ; Runrun YAN ; Wenjuan SUN ; Yifei DUAN ; Yan LI
Chinese Journal of Dermatology 2023;56(1):86-89
For the treatment of postherpetic neuralgia, drugs have always played a major but unsatisfactory role. As auxiliary or alternative therapies for postherpetic neuralgia, non-pharmacological interventions, such as electrical stimulation and repetitive transcranial magnetic stimulation, not only have shown favorable efficacy, but also can decrease adverse reactions to drugs with high safety and patient acceptance, and are benificial for management of patients with postherpetic neuralgia.