1.Clinical and electroencephalographic manifestations of Hashimoto's encephalopathy
Jihong HE ; Fengyun TANG ; Guoxing ZHU
Chinese Journal of General Practitioners 2015;14(3):218-220
Clinically rare with an acute or subacute onset,Hashimoto's encephalopathy (HE) is characterized as autoimmune encephalopathy with elevated anti-thyroid autoantibodies.If timely diagnosed and treated,its prognosis is often fair.Four HE cases admitted from January 2012 to June 2014 were analyzed with a literature review.HE 4 cases had a significantly higher level of thyroperoxidase (TPO) while the lowest increase over four folds.There were cognitive decline,memory loss and even coma.And 50% had abnormal electroencephalogram (EEG) consistent with radiographic lesions.In short,EEG may aid an early diagnosis of HE.
2.Analysis of epidemic trend of Keshan disease in Chuxiong City of Yunnan Province from 1967 to 2012
Guoxing HE ; Shaoxiong LI ; Xiaogang YANG
Chinese Journal of Endemiology 2015;34(10):761-764
Objective To observe the epidemic trends of Keshan disease (KD) from 1967 to 2012 in Chuxiong City,in order to provide a scientific basis for prevention and control of the disease.Methods The data below was collected and analyzed with epidemiological method.KD cases reported through registration and the death case reported were collected in Chuxiong City from 1960 to 2012,also the reported monitoring results of KD and the adult KD screening results of dilated cardiac patients and mountain patients in 2012 were collected,then epidemic trends of KD was analysed comprehensively.Results There were 1 569 cases of KD registered from 1967 to 2012.There were 566 death cases of KD.The total prevalence rate of KD was 7.7% (226/2 953) by monitoring children KD at the diseased areas of KD and the potential KD patients accounted for 97.3% (220/226) from 1990 to 1994.The total prevalence rate of KD was 0.6% (44/7 174) by surveillance at KD diseased areas from 2005-2012 and the potential KD patients accounted for 70.5% (31/44),there were 7 children cases of KD under 15 years who accounted for 15.9% from 2005 to 2012.Totally 313 551 children were given sodium selenium for supplying selenium from 1976 to 2008.Totally 151 cases of KD were found by screening from the patients with dilated cardiac patients since 1988 and they were all chronic KD patients.There were 112 cases of KD in 2012 and there were 6 children cases of KD under 15 years,which accounted for 5.4%.Chuxiong City Keshan disease epidemic presented from subacute Keshan disease to Keshan disease,to latent Keshan disease a slow transition;age from children (<6 years) to children (<15 years) to adult-oriented features.Conclusions The incidence and prevalence rate of KD has reached the basic control standards,but children KD is coexisting with adults KD.The pathogenic factors have not been eliminated,disease monitoring and health promotion should be carried out.
3.Expression of MMP-2 and TIMP-2 in the Traumatic PVR Retina of SD Rats.
Guoxing XU ; Chunyan FENG ; Xuedong ZHENG ; Qing HE
Journal of Medical Research 2006;0(02):-
Objective To investigate the expression of MMP-2 and TIMP-2 during the course of traumatic PVR treated with GM6001 and without GM6001,and to explore the potential role of MMP-2 and TIMP-2 during the course of traumatic PVR and to evaluate the effect of GM6001 on traumatic PVR prevention and treatment.Methods 360 SD rats were divided randomly into three groups: normal control group,the traumatic PVR group,the traumatic PVR treated with GM6001 group.The normal control group was intravitreous injected with normal saline.The traumatic PVR group was intravitreous injected with the PRP.The traumatic PVR treated with GM6001 group was intravitreous injected with the PRP and GM6001.The expression of MMP-2 and TIMP-2 were qualitativly and semiquantitativly analyzed with immunohistochemistry on day 1,3,7,14,21 and 28.Results 1.The results of immunohistochemistry showed that the expression of MMP-2,TIMP-2 was mainly located in the photoreceptor cells layer,out plexiform layer,inner plexiform layer and nerve fiber layer.2.The expression of MMP-2 in the normal group and the traumatic PVR treated with GM6001 group was weak at all time.The differences were statistical significance as compared with the normal group and the traumatic PVR treated with GM6001 group(P
4.Acute effect of air pollutants (carbon monoxide and ozone) on myocardial infarction mortality in Ningbo
Xujun QIAN ; Guoxing LI ; Tianfeng HE ; Hui LI ; Jing HUANG ; Guozhang XU ; Xinbiao GUO ; Li LI
Chinese Journal of Epidemiology 2017;38(3):297-302
Objective To explore the effect of carbon monoxide (CO) and ozone (O3) in the air on the myocardial infarction mortality in Ningbo,Zhejiang province,from 2011 to 2015.Methods The data of daily air quality surveillance and the causes of deaths in Ningbo from January 1,2011 to December 31,2015 were collected and the time series study using a generalized additive model was conducted to evaluate the relationship between the mortality of myocardial infarction and the air pollutants after adjustment for the long-term trend of death,weather conditions,"days of the week" and other confounding factors.Results The daily average concentrations of CO and O3 in Ningbo during 2011-2015 were 0.90 (0.02-3.31) mg/m3 and 82.78 (4-236) μg/m3,respectively.A total of 5 388 myocardial infarction deaths occurred,with a daily average of 3 deaths.In single-pollutant model,an increase of 0.1 mg/m3 in average concentration of CO could increase the risk of myocardial infarction mortality by 1.06% (95% CI:0.29%-1.93%) in general population,and by 1.26% (95% CI:0.28%-2.24%) in aged people aged ≥65 years in lagged 6 days,but the influence was not significant in people aged <65 years.The influence had no significant difference in males,but it increased the risk of myocardial infarction mortality by 1.77% in females (95% CI:0.44%-3.13%).In multipollutant model,CO did remain robust after adjusting for other co-pollutants.Whereas the effect of O3 had no significant influence.Conclusion These findings suggested that the increased risk of daily myocardial infarction mortality was associated with the increase of CO concentration,but no such association was found for O3 in Ningbo.
5.Diagnosis and clinical phenotype analysis of a case with large fragment homozygous deletion of rare β gene cluster.
Zeyan ZHONG ; Jianhong CHEN ; Dina CHEN ; Hailin HE ; Guoxing ZHONG ; Zhiyang GUAN ; Kunxiang YANG
Chinese Journal of Medical Genetics 2020;37(12):1331-1335
OBJECTIVE:
To report on a case with homozygous deletion of large β gene cluster and its clinical characteristics.
METHODS:
A total of 71 001 peripheral blood samples were subjected to capillary electrophoresis and conventional testing for common thalassemia mutations. The genotypes of suspected β gene cluster deletions were analyzed by Gap-PCR and multiplex ligation-dependent probe amplification (MLPA). Their hematological characteristics were compared by statistical analysis R software.
RESULTS:
Eighty-nine cases were detected with Chinese
CONCLUSION
The carrier rate for large fragment deletions of β gene cluster in Huizhou region is rather high, for which the value of HbF is significantly increased. Attention should be paid to screening and diagnosis of rare genotype to prevent missed diagnosis and/or misdiagnosis.
Gene Deletion
;
Homozygote
;
Humans
;
Multigene Family/genetics*
;
Phenotype
;
beta-Thalassemia/genetics*
6.Phenotypic and genotypic analysis of 45 cases with Hemoglobin Q-Thailand.
Zeyan ZHONG ; Jianhong CHEN ; Zhiyang GUAN ; Hailin HE ; Guoxing ZHONG ; Kunxiang YANG
Chinese Journal of Medical Genetics 2018;35(5):723-726
OBJECTIVETo explore hematological and molecular characteristics of Hemoglobin Q-Thailand in Huizhou area of Guangdong Province.
METHODSA total of 34 977 samples were screened by capillary and agarose gel electrophoresis. Samples suspected with HbQ strips were subjected to blood cell count and DNA sequencing. Twenty three common mutations associated with α- and β-thalassemia were identified by liquid phase chip and diversion hybridization technique.
RESULTSThe carrier rate of Hb Q-Thailand in Huizhou area was 0.13%. Pedigree analysis indicated that the Hb Q-Thailand allele is linked with a leftward single a-globin gene deletion (-α). Hematological index (HGB, MCV, MCH, HbA, HbA, HbQ) of 45 heterozygous carriers of Hb Q-Thailand were (130.25±17.37) g/L, (79.81±4.97) fl, (26.38±1.48) pg, (71.37±5.07)%, (1.65±0.45)%, (26.87±4.95)%, respectively. A statistical difference was also found in their hematological index of HbA and HbA compared with 408 heterozygous carriers of -α mutation (P<0.05).
CONCLUSIONHb Q-Thailand has a high detection rate in Huizhou area. The allele is mainly in a heterozygous status and linked with -α. The Hb Q strip can be detected by hemoglobin electrophoresis. When combined with other types of thalassemia, the heterozygotes will show unique hematological parameters.
7.Radioprotective effect of ATP on mice irradiated with a lethal dose of γ-ray
Changchun ZHU ; Guoxing FENG ; Ming CUI ; Mian JIANG ; Junbo HE ; Saijun FAN
International Journal of Biomedical Engineering 2018;41(1):55-58
Objective To investigate the in vivo radioprotective effect of adenosine triphosphate (ATP) on radiation damage induced by high dose γ-ray ionizing radiation(IR) in mice.Methods Specific pathogen-free C57BL/6 female mice were randomly divided into IR group and IR+ATP group by body weight,with 10 mice in each group.All the mice were treated with a 8 Gy one-time and high-dose whole body γ-ray irradiation.Within 6 h after irradiation,mice were injected intramuscular injection of 150 pl sodium chloride solution (9 g/L) for IR group,and 150 μl ATP solution (6 mg/kg) for IR+ATP group,respectively.The drug was administered once a day until the death of the animal.The mean survival days,survival rate,body weight and major organ coefficients in both groups were measured.Results The average survival days of mice in IR group and IR +ATP group were 6.5 d and 9.6 d,respectively.The survival rate of the mice in IR+ATP group was higher than that in IR group (P<0.01).The body weight values of the mice in IR+ATP group was higher than that in IR group on the after the 4th day post-irradiation,and the differences were statistically significant (all P<0.05).Except for heart and stomach,the organ coefficients of liver,spleen,lung,and kidney in IR +ATP mice were higher than those in IR group,and the differences were statistically significant (all P<0.05).Conclusion ATP has certain radiation protection effect,and it can reduce the radiation damage of mice induced by high-dose (8 Gy) γ-ray IR so as to increase the survival rate.
8.Impact of birth season on the years of life lost from respiratory diseases in the elderly related to ambient PM
Teng YANG ; Tianfeng HE ; Jing HUANG ; Guoxing LI
Environmental Health and Preventive Medicine 2021;26(1):74-74
BACKGROUND:
Ambient fine particle (PM
METHODS:
A time-stratified case-crossover design was used to analyze YLL from respiratory diseases in the elderly related to ambient PM
RESULTS:
Each 10 μg/m
CONCLUSIONS
Birth season which reflects the early-life PM
Aged
;
Aged, 80 and over
;
Air Pollutants/analysis*
;
Cause of Death
;
China/epidemiology*
;
Cross-Over Studies
;
Environmental Exposure/analysis*
;
Humans
;
Life Expectancy
;
Particulate Matter/analysis*
;
Respiration Disorders/mortality*
;
Seasons