This study took herbal medicinePoria cocosas an example to establish a method to explore the potential function of herbal medicine. And then, the new function was identified through the systematic study. It was able to improve the application range of herbal medicine and the clinical therapeutic effects. The established database management system ofPu-Ji-Fanghad been used for the searching ofPoria cocosin the treatment of different diseases in order to receive the compound prescription containedPoria cocos in different diseases. Then, indications recorded in herbalism literatures through dynasties and thePharmacopoeia of People’s Republic of China(Chinese Pharmacopoeia) were compared. Through statistical analysis and logical judgment, as well as the combination of modern pharmacological research results and clinical therapeutic evaluations, the overall understanding on conventional and potential functions ofPoria cocos were received. The results showed that the functions ofPoria cocos summarized through dynasties contained alleviating thirst, eliminating phlegm, enhancing memory, astringent, relieving cough and vomiting, invigorating blood circulation, promoting appetite and securing fetus, as well as treatment of deficiency, vomiting, stroke, diabetes, cough, cold damage syndrome, convulsion and other syndrome, were not recorded in theChinese Pharmacopoeia. It was concluded that tonifying kidney, relieving cough and phlegm, relieving vomiting, alleviating thirst, expelling wind, relieving convulsion and securing fetus were the potential function ofPoria cocos, which should arouse the attention from the academic community.

This article was aimed to study potential functions of Mori Cortex. Through the investigation of Mori Cortex in ancient herbal literatures, ancient prescriptions, the 2010 edition of the Chinese Pharmacopoeia, current pharmacodynamics and clinical studies, potential functions of Mori Cortex that had been lost were analyzed through comparative analysis. The results showed that the confirmed core functions of Mori Cortex recorded in ancient materia medica were in consistent with its applications in ancient prescriptions and its records in theChinese Pharmacopoeia. The functions summarized from the materia medica literatures contained potential functions such as supplementing qi, promoting blood circulation to remove blood stasis, encouraging production of body fluids to extinguish thirst, removing phlegm, hemostasis, relieving stranguria, analgesia, expelling wind, and deworming. Mori Cortex compound prescription recorded in thePu-Ji-Fangdatabase were used in the treatment of consumptive disease, sore, typhoid, traumatic injury, stroke, diabetes, stranguria, arthralgia syndrome, phlegm, bleeding, various types of pain, parasitic diseases, poisonous insect bites, itching, and pox. All these potential functions of Mori Cortex were not included in theChinese Pharmacopoeia. It was concluded that combined with experimental researches and current clinical applications, potential functions such as supplementingqi, promoting blood circulation to remove blood stasis, encouraging production of body fluids to extinguish thirst, removing phlegm, and relieving stranguria of Mori Cortex were confirmed.

Objective To investigate the manifestation of HCC on superparamagnetic iron oxide(SPIO)-enhanced MRI in rats and clarify its pathologic basis in hope of the application of SPIO-enhanced MRI in estimation of histological grading in HCC.Methods HCC was induced chronically with 1 ml of 2% DEN solution once a day in 80 rats for 14 weeks,and another 10 rats served as normal controls.All rats received dynamic MR examinations on week 16,18,20,21,22,23,24,25.MR imaging was performed before and after SPIO injection using SE-T1WI,FMPSPGR-T1WI,GRE-T2WI,FSE-PDWI,FSE-T2WI, and the relative parameters were obtained.Rats were killed as soon as MRI finished.The tumors were observed grossly and the parts matched with the lesions on MRI were cut into pieces,stained with HE and PerIs,for pathologic examination.Results Kupffer cell number in HCCs was significantly smaller than that in normal liver tissues(P

Objective:To study the correlation between the thickness of psoriasis skin and TCM syndromes,and to find an uninjurious and effective way to determine TCM syndromes by high-frequency ultrasound.Methods:Eighty-seven patients were divided into three groups:blood-heat syndrome group,blood-dryness syndrome group and blood-stasis syndrome group.The patients' epidermal and dermal thickness of targeted psoriasis skin and surrounding normal area was measured by high-frequency ultrasonic apparatus.Results:The thickness of epidermal and dermal of psoriasis skin was thicker than that of surrounding skin,and it was more obviouse of derma.The dermal thickness indexes of blood-stasis patients was the biggest in the three groups(P

Objective To explore the MRI features of soft tissue hemangiomas. Methods The size, margin, morphology and signal pattern of the lesions in MRI findings in 18 patients with soft tissue hemangiomas proved pathologically were retrospectively analyzed. Results Of the 18 cases, there were 8 cases of angiocavernoma (1 0-4 0 cm in size) with clear border, homogeneous high signal in the lesion and low signal ring on the border, 5 cases of intramuscular hemangioma, presented as irregular mass with mixed signals mainly composed of high signal on T2WI, 3 cases of angioma arteriale racemosu with tortuous dilation of blood vessel and amyotrophy as its MRI feature, and 2 cases of venous angioma with thick wall of vein but without supplying arteries. Conclusion Soft tissue hemangioma can usually be diagnosed correctly according to MRI characteristics and clinical data.

Through the investigation ofGentiana macrophylla in herbalism literatures, ancient prescriptions and theChinese Pharmacopoeia 2010 edition, we found that functions from ancient herbalism and prescriptions were in conformity with those from theChinese Pharmacopoeia. However, other functions recorded in ancient literatures such as dissipating wind, calming the liver to stop wind, clearing heat-fire, stopping bleeding, relieving cough were not included in theChinese Pharmacopoeia. With modern studies on pharmacodynamics and clinical applications, these functions were primarily conformed as the lost potential functions ofG. macrophylla.

Objective To investigate the autistic symptoms or autistic trait in the children with attention deficit hyperactivity disorder(ADHD) for facilitating the development of appropriate interventions.Methods Sixty-two 6-12-year-old high-functioned autism spectrum disorder (ASD),ADHD and typically developing (TD) children were assessed respectively using Chinese-version social responsiveness scale (SRS),and ADHD core symptoms were assessed in the ADHD children at the same time.Results ASD group＞ADHD group＞ TD group on the SRS total raw score and the five dimensions scores as well(P＜0.01).ASD,ADHD and TD group scored respectively 92.43±19.17,65.66±19.86 and 38.40±10.68 on the SRS total scale.The SRS total raw score of ADHD group exceeded the TD group for 2.55 standard deviant (SD) and with social communication (2.00 SD) and autistic mannerism (2.71 SD) deviating the most.22.58％ (14 out of 62) children with ADHD scored above the threshold on the SRS total raw score which was significantly higher than that in the TD group(P＜0.01).There were nonsignificant differences in the ADHD core symptoms between ADHD± children (with the SRS total raw score ≥85)and ADHD-children(with the SRS total raw score＜85) (P＞0.01).Conclusion Children with ADHD appear more ASD symptoms than the TD children and a considerable proportion of them reach the SRS diagnostic cut-off point.

Objective: To gain a better understanding of the emotional and behavioral problems associated determinants of primary and middle school students from Guangdong Province during the COVID-19 pandemic, so as to provide a basis for developing targeted intervention strategies. Methods: Using the method of convenience sampling, an online questionnaire survey was carried out among primary and middle school students from Guangzhou, Zhanjiang and Zhongshan from March to April 2020. The emotional and behavioral problems of primary and middle school students were assessed using the Conners Parental Symptoms Questionnaire(PSQ), and a self compiled questionnaire was used to collect basic information related to the primary and middle school students and the influencing factors of emotional and behavioral problems. A total of 7 755 valid questionnaires were retrieved and statistically analyzed using the chi square test and multivariate Logistic regression. Results: The detection rate of emotional and behavioral problems among children and adolescents aged 6 to 17-years-old in Guangdong Province was 14.8%; that was 21.0%, 14.4%, 7.3 %, and 10.1% in lower primary school students, upper primary school students, junior high school students, and high school students, respectively. The detection rate of the psychosomatic and hyperactivity index in boys was higher than that observed in girls, and the detection rate of anxiety in boys was lower than that observed in girls( P <0.05). There were statistically significant differences in emotional and behavioral problems in children in different grades( P <0.05). The results of the regression analysis showed that male students were at risk of psychosomatic ( OR= 1.37 , 95%CI =1.04-1.82) and hyperactivity disorders( OR=1.58, 95%CI =1.21-2.06), whereas the male gender was a protective factor for anxiety( OR=0.50, 95%CI =0.39-0.64). Grades were identified as the influencing factors of all of the factors related to emotional and behavioral problems. Students who reported excessive screen time and insufficient sleep were more likely to experience emotional and behavioral problems. Conclusion The detection rate of emotional and behavioral problems among primary and middle school students in Guangdong Province during the COVID-19 epidemic was high, which was associated with sex, grade, screen time and sleep. It is necessary to develop and implement targeted intervention measures.

: To investigate the current status of online classes, screen time and its influencing factors among primary school students in Guangdong during the 2019 novel coronavirus pandemic. Methods: Using the convenience sampling method, a total of 5 266 pupils aged 6-12-years-old from Guangzhou, Zhanjiang, and Zhongshan participated in the online questionnaire. ANOVA or chi square tests were performed to compare differences in online classes and screen time between grades, and multinomial Logistic regression was performed to analyze the correlates of recreational screen time. Results: The prevalence of prolonged recreational screen time was 42.2% and 55.2% on weekdays and weekends, respectively. Recreational screen time increased by 40.31 min/d on weekdays and 33.07 min/d on weekends, compared to usual school semesters. The average duration of an online class was (26.07±9.62) min, which totaled (110.41±51.98)min per day. Sex, grade, being the only child, and parents education levels were identified as the influencing factors of prolonged recreational screen time. Children who practiced moderate levels (weekdays: OR =1.27; weekends: OR =1.40; P <0.05) or lower levels of physical activity (weekdays: OR =1.86; weekend: OR =1.84; P < 0.05 ) were at a higher risk of prolonged recreational screen time than those who practiced more vigorous physical activity. Children whose parents limited their screen time to a moderate (weekdays: OR=1.61, P <0.05) or lower level (weekdays: OR=1.32, P < 0.05 ) had a higher risk of prolonged recreational screen time than those with a higher frequency. Children with parents recreational screen time ≥ 2 h/d had a higher risk of prolonged recreational screen time than the reference group; children who exhibited moderate to vigorous levels of physical activity <1 h/d (weekdays: OR=1.31, P <0.05), and those used electronic devices for learning 1-2 h/d (weekdays: OR =2.65; weekend: OR =2.65; P <0.05) or for ≥2 h/d (weekdays: OR =4.05, weekend: OR=5.24, P < 0.05 ) were at a higher risk of prolonged recreational screen time than the reference group. Conclusion During the COVID-19 pandemic, the level of screen time among children in Guangdong was high. Behavioral monitoring and targeted interventions are needed to promote children s health.

Objective:To describe the current status and efficacy of additional acarbose combined with insulin therapy in adult patients with type 1 diabetes mellitus (T1DM) .Methods:Adult T1DM patients with acarbose combined with insulin (acarbose group) or insulin alone (insulin group), age≥18 years and disease course≥1 year, who were registered in the T1DM Translational Medicine Research Project of Guangdong Province from June 2011 to December 2014 were enrolled in the study. The hemoglobin A1c (HbA 1c), body weight, body mass index (BMI), waist-to-hip ratio (WHR), insulin dosage and hypoglycemia of acarbose group and insulin group after 1 year were compared. Results:A total of 717 adult patients with T1DM were included (62 cases in acarbose group and 655 cases in insulin group). At the time of enrollment, the onset age of acarbose group was higher than that of insulin group [(31.1±12.3)years vs (27.4±12.4)years, P=0.019]; There were no significant differences in gender, age, course of disease, body weight, BMI, WHR, proportion of carbohydrate heat ≥50%, proportion of exercise time ≥150 min per week, HbA 1c, dosage of insulin, occurence of hypoglycemia and proportion of patients with dyslipidemia between the 2 groups (all P>0.05). After 1 year of follow-up, the HbA 1c in acarbose and insulin group decreased from baseline ( P=0.014, P<0.001), the body weight and BMI increased from baseline (all P<0.05), but WHR, insulin dosage and hypoglycemia occurrence were not statistically significant between the two groups (all P>0.05). After 1 year of follow-up, there were no significant difference in changes of HbA 1c, body weight, BMI, WHR, insulin dosage and hypoglycemia occurrence in acarbose group compared with insulin group from baseline (all P>0.05). Conclusions:In the clinical practice of T1DM treatment, acarbose is used more frequently in patients with a slightly older age of onset. Treatment of T1DM with insulin combined with acarbose did not increase the incidence of hypoglycemia, and no benefit was observed in improving HbA 1c, maintaining body weight, and reducing insulin use.