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The SGA infants with a gestational age of <34 weeks have intrauterine cerebellar development similar to AGA infants, but those with a gestational age of ≥34 weeks have poorer intrauterine cerebellar development than AGA infants.
The SGA infants with a gestational age of less then 34 weeks have intrauterine cerebellar development similar to AGA infants, but those with a gestational age of ≥34 weeks have poorer intrauterine cerebellar development than AGA infants.
To study the effect of gestational age at birth on the neurobehavioral development of preschool children.

A total of 25 254 preschool children from Ma'anshan of Anhui Province, Taizhou of Zhejiang Province, and Yangzhou of Jiangsu Province were enrolled. The preschool children were divided into three groups based on their gestational ages at birth preterm group (2 760 cases; 28-36
weeks), early term group (6 005 cases; 37-38
weeks), and full term group (16 489 cases; ≥39 weeks). The Ages and Stages Questionnaires-Third Edition (ASQ-3) was employed to evaluate the children's neurobehavioral development.

The preterm group had significantly lower scores of the five domains of ASQ-3, communication, gross motor, fine motor, problem solving, and personal-social, than the full term group (P<0.05), and significantly lower scores of communication, gross motor, fine motor, and problem solving than the early term group (P<0.05). There were no significant differences in the scores of the five domains of ASQ-3 between the early term and full term groups (P>0.05). The multiple linear regression analysis indicated a significant positive correlation between gestational age and the five domains of ASQ-3 after adjustment for confounding factors including sex, age, body mass index, and parental education level (P<0.01).

Children born preterm have poorer neurobehavioral development than those born full term and early term, whereas children born full term and early term have similar neurobehavioral development. Gestational age at birth is an independent influencing factor for neurobehavioral development in preschool children.
Children born preterm have poorer neurobehavioral development than those born full term and early term, whereas children born full term and early term have similar neurobehavioral development. Gestational age at birth is an independent influencing factor for neurobehavioral development in preschool children.Compared with adults, neonates tend to have stronger and more persistent biological perception of pain. They may have the memory for pain and the negative effects caused by pain may exist for a long time. Therefore, standardized pain management can reduce or prevent the adverse effect of pain on body and mind and promote the rehabilitation process. In order to further deepen the understanding of pain management and standardize the analgesic measures for neonates, the Neonatologist Branch of Chinese Medical Association and Editorial Board of Chinese Journal of Contemporary Pediatrics have developed an expert consensus based on the clinical evidence in China and overseas and with reference to clinical experience from the following aspects evaluation of neonatal pain and methods and techniques of pain management. selleckchem It is recommended to adopt a step-by-step analgesic management for neonates. For mild pain stimulation, it is effective to relieve the pain by gentle touch and non-nutritive sucking combined with sucrose feeding. For moderate pain, selection of appropriate trocar needle and skilled puncture are important to reduce the pain, and in addition, the application of local anesthetics at the site of puncture also has a good effect. For severe pain, intravenous sedative drugs are often required, but no consistent evidence has been obtained so far.An online survey conducted March 18-19, 2020 on the official China CDC WeChat account platform was used to evaluate the effect of public education about masks usage during the new coronavirus disease 2019 (COVID-19) epidemic. Chinese nationals older than 18 were eligible for the survey. The survey collected 5,761 questionnaires from the 31 provinces, municipalities, and autonomous regions of mainland China. 99.7% and 97.2% of the respondents answered correctly that respiratory droplets and direct contact were the main transmission routes. 73.3% of the respondents considered COVID-19 to be 'serious' or 'very serious'. When going to the hospital, 96.9% (2,885/2,976 had gone to a hospital) used a mask during the COVID-19 epidemic, while 41.1% (2,367/5,761) did not use a mask before the epidemic. Among the respondents that used public transportation and went shopping, 99.6% and 99.4%, respectively, wore masks. Among respondents who returned to work, 75.5% wore a mask at the workplace, while 86.3% of those who have not returned to work will choose to use masks when they return to the workplace. The Chinese public is highly likely to use a mask during COVID-19 epidemic, and the mask usage changed greatly since the COVID-19 outbreak. Therefore, public education has played an important role during the COVID-19 epidemic.Real-time quaking-induced conversion (RT-QuIC) assay is a newly established PrP Sc-detecting method. The development of RT-QuIC improves the diagnosis of sporadic Creutzfeldt-Jakob disease (sCJD), showing good sensitivity and specificity in many countries when the method was used in cerebrospinal fluid (CSF) samples. However, in China, the sensitivity and specificity of RT-QuIC has yet to be determined due to the lack of definitive diagnosis samples. Recently, 30 definitive sCJD and 30 non-CJD diagnoses were evaluated by RT-QuIC assay. In the 30 sCJD CSF samples, 29 showed positive results. By contrast, all the non-CJD samples were negative. The sensitivity and specificity of our RT-QuIC assay were 96.67% and 100%, respectively, and are comparable to other published data. Results can provide a fundamental basis for the usage of RT-QuIC assay in CJD surveillance in China.This study aimed to understand the differences in clinical, epidemiological, and laboratory features between the new coronavirus disease 2019 (COVID-2019) and influenza A in children. Data of 23 hospitalized children with COVID-19 (9 boys, 5.7 ± 3.8 years old) were compared with age- and sex-matched 69 hospitalized and 69 outpatient children with influenza A from a hospital in China. The participants' epidemiological history, family cluster, clinical manifestations, and blood test results were assessed. Compared with either inpatients or outpatients with influenza A, children with COVID-19 showed significantly more frequent family infections and higher ratio of low fever ( 39 °C), nasal congestion, rhinorrhea, sore throat, vomiting, myalgia or arthralgia, and febrile seizures. They also showed higher counts of lymphocytes, T lymphocyte CD8, and platelets and levels of cholinesterase, aspartate aminotransferase, lactate dehydrogenase, and lactic acid, but lower serum amyloid, C-reactive protein, and fibrinogen levels and erythrocyte sedimentation rate, and shorter prothrombin time. The level of alanine aminotransferase in children with COVID-19 is lower than that in inpatients but higher than that in outpatients with influenza A. Pediatric COVID-19 is associated with more frequent family infection, milder symptoms, and milder immune responses relative to pediatric influenza A.
To detect the effects of shortwave radiation on dose-dependent cardiac structure and function in rats after radiation and to elucidate the mechanism of shortwave radiation induced cardiac injury to identify sensitive indicators and prophylactic treatment.

One hundred Wistar rats were either exposed to 27 MHz continuous shortwave at a power density of 5, 10, and 30 mW/cm
for 6 min or undergone sham exposure for the control (the rats had to be placed in the exposure system with the same schedules as the exposed animals, but with an inactive antenna). The Ca
, glutamic oxaloacetic transaminase (AST), creatine kinase (CK) and lactate dehydrogenase (LDH) content in the peripheral serum of the rats were detected by an automatic blood biochemical analyser. The electrocardiogram (ECG) of standard lead II was recorded by a multi-channel physiological recording and analysis system. The cardiac structure of rats was observed by light and electron microscopy.

The results showed that the 5, 10, and 30 mW/cm
ve radiation at 5, 10, and 30 mW/cm 2 induced damage to rat heart function and structure with a dose-effect relationship, i.e., the greater the radiation dose was, the more significant the damage was.
This study aimed to investigate the effect of exposure to a 900 MHz electromagnetic field (EMF) on the cervical spinal cord (CSC) of rats and the possible protective effect of luteolin (LUT) against CSC tissue damage.

Quantitative data were obtained
stereological, biochemical, immunohistochemical, and histopathological techniques. We investigated morphometric value, superoxide dismutase (SOD) level, and the expression of high-mobility group box 1 protein molecules, as well as histological changes.

The total number of motor neurons in the EMF group significantly decreased in comparison with that in the control group (
< 0.05). In the EMF + LUT group, we found a significant increase in the total number of motor neurons compared with that in the EMF group (
< 0.05). SOD enzyme activity in the EMF group significantly increased in comparison with that in the control group (
< 0.05). By contrast, the EMF+LUT group exhibited a decrease in SOD level compared with the EMF group (
< 0.05).

Our results suggested that exposure to EMF could be deleterious to CSC tissues. Furthermore, the protective efficacy of LUT against SC damage might have resulted from the alleviation of oxidative stress caused by EMF.
Our results suggested that exposure to EMF could be deleterious to CSC tissues. Furthermore, the protective efficacy of LUT against SC damage might have resulted from the alleviation of oxidative stress caused by EMF.
To screen the differentially expressed proteins (DEPs) in human bronchial epithelial cells (HBE) treated with atmospheric fine particulate matter (PM
).

HBE cells were treated with PM
samples from Shenzhen and Taiyuan for 24 h. To detect overall protein expression, the Q Exactive mass spectrometer was used. Gene ontology (GO), Kyoto encyclopedia of genes and genomes (KEGG), and Perseus software were used to screen DEPs.

Overall, 67 DEPs were screened in the Shenzhen sample-treated group, of which 46 were upregulated and 21 were downregulated. In total, 252 DEPs were screened in the Taiyuan sample-treated group, of which 134 were upregulated and 118 were downregulated. KEGG analysis demonstrated that DEPs were mainly enriched in ubiquitin-mediated proteolysis and HIF-1 signal pathways in Shenzhen PM
samples-treated group. The GO analysis demonstrated that Shenzhen sample-induced DEPs were mainly involved in the biological process for absorption of various metal ions and cell components. The Taiyuan PM
-induced DEPs were mainly involved in biological processes of protein aggregation regulation and molecular function of oxidase activity. Additionally, three important DEPs, including ANXA2, DIABLO, and AIMP1, were screened.

Our findings provide a valuable basis for further evaluation of PM
-associated carcinogenesis.
Our findings provide a valuable basis for further evaluation of PM 2.5-associated carcinogenesis.
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