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ObjectiveTo explore the mental health status and its influencing factors among middle school students in Xide County, Liangshan Yi Autonomous Prefecture, and to provide references for mental health interventions for local middle school students. MethodsUsing a cross-sectional study design, one junior middle school and one senior middle school in Xide County, Liangshan Prefecture, Sichuan Province, were randomly selected on September 16, 2021, and two classes per grade in each school involving 288 students were recruited. Subjects were assessed using Patients' Health Questionnaire Depression Scale-9 item (PHQ-9), Generalized Anxiety Disorder Scale-7 item (GAD-7), PTSD Checklist for DSM-5 (PCL-5), Multidimensional Scale of Perceived Social Support (MSPSS) and UCLA Loneliness Scale (ULS-3). Then the scores of above scales were compared among middle school students with different demographic characteristics, and binary Logistic regression analysis was conducted to screen the influencing factors of post-traumatic stress disorder (PTSD) symptoms. ResultsAmong the respondents, 17.71% (95% CI: 0.133~0.221), 8.68% (95% CI: 0.054~0.120), 2.78% (95% CI: 0.009~0.047) and 45.83% (95% CI: 0.400~0.516) were reported to have symptoms of depression, anxiety, PTSD and loneliness, respectively. Students in senior middle school scored lower on PCL-5 and ULS-3 than those in junior middle school [(6.46±8.91) vs. (8.87±9.42), t=2.202, P<0.05; (4.67±1.65) vs. (5.60±1.88), t=4.431, P<0.01]. Regression analysis denoted that depressive symptoms (OR=7.630, P<0.05) and anxiety symptoms (OR=3.789, P<0.01) were risk factors for PTSD symptoms among middle school students. ConclusionThe middle school students in Xide County, Liangshan Yi Autonomous Prefecture suffer a high prevalence rate of depressive symptoms and loneliness, and those in junior middle school are more likely to feel a sense of strong loneliness, furthermore, depressive symptoms and anxiety symptoms are risk factors for PTSD symptoms.
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Objective To explore the association of cardiac disease associated genetic variants and the high incidence of Yunnan sudden unexplained death (YNSUD) in Yi nationality. Methods The genomic DNA was extracted from peripheral blood samples collected from 205 Yi villagers from YNSUD aggregative villages (inpatient group) and 197 healthy Yi villagers from neighboring villages (control group). Fifty-two single nucleotide variants (SNVs) of 25 cardiac disease associated genes were genotyped using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS). The SPSS 17.0 was used to analyze data. The pathogenicities of variants with differences between the two groups that have statistical significance were predicted by protein function prediction software PolyPhen-2 and SIFT. All villagers from inpatient group were given electrocardiogram (ECG) examination using a 12-lead electrocardiograph. Results The allele frequency and the genotype frequency of missense mutation DSG2 (rs2278792, c.2318G>A, p.R773K) of pathogenic genes of arrhythmogenic right ventricular cardiomyopathy (ARVC) in inpatient group was higher than that in control group (P<0.05). Abnormal ECG changes were detected in 71 individuals (34.6%) in the inpatient group, among which 54 individuals carried R773K mutation, including clockwise (counterclockwise) rotation, left (right) axis deviation, ST segment and T wave alteration and heart-blocking. Conclusion Definite pathogenic mutations have not been found in the 52 cardiac disease genes associated SNVs detected in Yi nationality in regions with high incidence of YNSUD. The cause of high incidence of YNSUD in Yi nationality needs further study.
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Humanos , Displasia Arritmogênica Ventricular Direita , China/epidemiologia , Morte Súbita/etiologia , Morte Súbita Cardíaca/etiologia , Etnicidade/genética , Incidência , MutaçãoRESUMO
Objective To analyze the characteristics and the differences of body composition in Yi of Sichuan, Guizhou and Yunnan. Methods Stature, body mass and body composition of 1556 Yi(male 757 case, famale 799 case) adults from Sichuan, Guizhou and Yunnan were investigated based on Anthropometric Method and the standard of Tanita company. Results The body mass index and percent body fat of Yi nationality people from Sichuan were significantly higher than that of those from Yunnan and Guizhou. The overall muscle and limb muscles of Yi nationality people from Sichuan were more developed than that of those from Sichuan and Yunnan. Yi nationality people from Sichuan, Yunnan and Guizhou all had the characters that muscle mass in right limb was higher than that in left. Conclusion Yi nationality people from Sichuan, Yunnan and Guizhou have great difference in body composition because of the diet and labour intensity.
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Objective To investigate the Allele and genotype frequency distribution of four single nucleotide polymorphisms(SNPs)sites (rs4917,rs491 8,rs1071592,rs2248690) in Fetuin A gene with type 2 diabetes and type 2 diabetes complicated by atherosclerosis of lower limb arteries(ALLA) in Yi Nationality of Chuxiong,and evaluated for association of Fetuin A polymorphisms with ALLA in type 2 diabetes.Methods Four SNPs in Fetuin A were genotyped in One hundred twenty normal controls,sixty one T2DM cases and sixty seven ALLA in type 2 diabetes by polymerase chain reaction-restricted fragment length polymorphism (PCR-RFLP) and allelic specific primer-polymerase chain reaction(ASP-PCR).Results The CC genotype and Allele C of rs1071592 in normal controls was lower than those which ALLA in type 2 diabetes(P < 0.01),and there were no significant differences in frequency of genotype and allele distributions in the polymorphism analysis of rs4917 (C/T),rs4918 (C/G),rs2248690 (A/T) in these three groups (P > 0.05).Logistic regression analysis showed:the CC genotype of rs1071592 in Fetuin A were nominally associated with atherosclerosis of lower limb arteries of T2DM.Conclusion There existed polymorphism of4917(C/T),rs4918(C/G),rs2248690(A/T),rs1071592(C/A) of Fetuin A in Yi nationality of chuxiong.The CC genotype of rs1071592 might be genetic risk factors of type 2 diabetes complicated by ALLA.
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Objective To investigate the epidemiologic and behavioral characteristics of HIV among community population in Liangshan prefecture.Methods We collected social demographic,behavioral and serological information by means of the monitoring questionnaire and serological tests.Data was analyzed by using the chi-square test and logistic regression.Results From April to June of 2010 to 2015,14 092 cases of community population were selected as the study objects,with 267 cases diagnosed as HIV positive patients.The HIV positive rates were 3.24%,3.07%,1.17%,1.38%,1.42% and 1.25%,respectively.We observed that when community population having the following characteristics as:living in Butuo country (OR=3.83),being males (OR=1.77),being Yi nationality (OR=4.40) being widowed (OR=28.57),with history of drug abuse (OR=3.71) or injecting drug use (PWID) (OR=4.92),or history of needle sharing among PWID (OR=8.53),were under higher risks for HIV infection.With histories as:having had secondary or above levels of schooling (OR=0.59),having protected sex with regular parmers (OR =0.21) and with non-regular partners (OR =0.46),they seemed to be somehow protected for getting HIV infection.Conclusion The positive HIV rates of HIV among community population in Dechang,Ningnan and Butuo varied from 0.10% to 8.77%while the HIV transmission among general population remained challenging.
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Objective To investigate the epidemiologic and behavioral characteristics of HIV among community population in Liangshan prefecture.Methods We collected social demographic,behavioral and serological information by means of the monitoring questionnaire and serological tests.Data was analyzed by using the chi-square test and logistic regression.Results From April to June of 2010 to 2015,14 092 cases of community population were selected as the study objects,with 267 cases diagnosed as HIV positive patients.The HIV positive rates were 3.24%,3.07%,1.17%,1.38%,1.42% and 1.25%,respectively.We observed that when community population having the following characteristics as:living in Butuo country (OR=3.83),being males (OR=1.77),being Yi nationality (OR=4.40) being widowed (OR=28.57),with history of drug abuse (OR=3.71) or injecting drug use (PWID) (OR=4.92),or history of needle sharing among PWID (OR=8.53),were under higher risks for HIV infection.With histories as:having had secondary or above levels of schooling (OR=0.59),having protected sex with regular parmers (OR =0.21) and with non-regular partners (OR =0.46),they seemed to be somehow protected for getting HIV infection.Conclusion The positive HIV rates of HIV among community population in Dechang,Ningnan and Butuo varied from 0.10% to 8.77%while the HIV transmission among general population remained challenging.
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Objective To investigate the correlation of the polymorphisms of angiotensin Ⅱtype 1 receptor (AT1R)gene A1166C and angiotensinogen(AGT)gene M235T and blood biochemical indicators with essential hypertension(EH)in the male of Yi nationality in Yunnan province. Methods 92 hypertensive and 70 normotensive of Yi people were recruited in Yunnan province. Their basic information and blood biochemical indicators were obtained by questionnaire and standardized physical examination. The genes polymorphisms were determined by polymerase chain reaction-restriction fragment length polymorphism(PCR-RFLP)technique. Results(1)For the male EH patients of Yi nationality,1166C and 235T allele frequencies were 0.038 and 0.772. No significant differences in allele frequency or genotype frequency were observed between the two groups(P > 0.05).(2)The levels of TC,LDL-C and TG in EH were significantly higher than those in controls(P < 0.05). Conclusion The AT1R A1166C and AGT M235T polymorphisms were not related to the pathogenesis of EH in the male of Yi people. However,the high levels of TC,TG and LDL-C might be the risk factors of EH.
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Objective To assess the association between NOD2 gene single nucleotide polymorphisms (SNPs) and leprosy in Chinese Yi population.Methods Whole blood samples were obtained from 300 patients with leprosy and 300 healthy human controls of Yi nationality in Sichuan province.Genomic DNA was extracted,and a SNaPshot assay was performed to determine the genotypes of four single nucleotide polymorphisms (SNPs) of the NOD2 gene,including rs9302752,rs7194886,rs8057341 and rs3135499.Chi-square test was conducted to compare allele frequency,and Hardy-Weinberg equilibrium was tested.Results The genotype distribution of all the four SNPs was consistent with Hardy-Weinberg equilibrium (all P > 0.05).Significant differences were observed between the patients with leprosy and healthy controls in both genotype distribution and allele frequency of the SNP rs3135499 (both P < 0.01),but not in those of the other three SNPs (all P > 0.05).Conclusion The SNP rs3135499 of the NOD2 gene may be associated with the development of leprosy in Chinese Yi population.
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Developing nationality medicine,to research the relationship between theory of Yi nationality medicine and correlated theories of traditional Chinese medicine. Panzhihua city is located in the juncture of Sichuan and Yunnan,and the Yi nationality inhabitants are more,so to understand and develop the Yi nationality medicine is very necessary.This question for discussion though the methods of investigating and studying on the spot and literatures collecting et al,found the characteristics and shortages of theory of Yi nationality medicine as well as the similarities and differences of theory of Yi nationality medicine and correlated theories of traditional Chinese medicine,and putted in discussion.Developing the Yi nationality medicine,in theory we need further excavation and unscrambling.
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Objective To analyze the disease burden of Yi nationality.Methods Disability adjusted life years(DALY) was used as the measurement indicator of disease burden.Results The male had greater Years of Life Lost to Premature Death(YLL)per thousand populations,Years of Lived with Disability(YLD) and DALY than did the female almost in each age group.The burden of Neuropsychiatric conditions was the heaviest.The burden of Yi nationality was heavier than Han nationality in diseases during perinatal period and digestive diseases.However,the disease burden of malignant neoplasm of Han nationality was heavier than Yi nationality.Conclusion The prevention and treatment of neuropsychiatric conditions,diseases during perinatal period and digestive diseases should be enhanced in Yi nationality.