Severe fever with thrombocytopenia syndrome(SFTS)is an emerging infectious disease caused by severe fever with thrombocytopenia syndrome virus(SFTSV).SFTSV has been found in humans,ticks and animals,and SFTS has high ...Severe fever with thrombocytopenia syndrome(SFTS)is an emerging infectious disease caused by severe fever with thrombocytopenia syndrome virus(SFTSV).SFTSV has been found in humans,ticks and animals,and SFTS has high mortality and increasing prevalence in East Asia.In the study,the samples(heart,liver,lung,kidney,spleen,brain tissue and serum)were collected from 374 domestic animals and 241 wild animals in Pingqiao District and Xinxian County of Xinyang in Henan Province,China.275(44.72%,275/615)animals were positive for anti-SFTSV antibodies,the anti-SFTSV antibodies positive ratios of domestic and wild animals were 43.58%(163/374)and 46.47%(112/241),respectively.There was no significant difference in domestic and wild animals,but significant differences were detected among different species of animals(x^2=112.59,P<0.0001).Among 615 animals,105(17.07%,105/615)animals were positive for SFTSV RNA,and only one SFTSV strain was isolated from heart tissue of a yellow weasel.The phylogenetic analysis shows that the sequence from animals belonged to the same group with viral sequences obtained from humans.The animals maybe play a reservoir host in maintaining the life cycle of SFTSV in nature.展开更多
目的探讨安徽省肾综合征出血热(hemorrhagic fever with renal syndrome,HFRS)流行特征,为该病的防治提供参考依据。方法通过中国疾病预防控制信息系统收集2019—2023年安徽省报告的HFRS病例资料,采用描述流行病学方法分析其流行特征,...目的探讨安徽省肾综合征出血热(hemorrhagic fever with renal syndrome,HFRS)流行特征,为该病的防治提供参考依据。方法通过中国疾病预防控制信息系统收集2019—2023年安徽省报告的HFRS病例资料,采用描述流行病学方法分析其流行特征,运用圆形分布法分析其季节特征。选取监测点开展鼠媒监测,采用夹夜法监测鼠密度,采用直接免疫荧光方法检测汉坦病毒抗原。结果2019—2023年安徽省累计报告HFRS病例808例,死亡6例,年均发病率为0.2624/10万,病死率为0.74%。16个地市均有病例报告,发病数居前3位的市分别是宣城市(227例)、滁州市和六安市(均为69例)、阜阳市(59例)。男女性病例数性别比为3.17∶1,患者年龄分布以50~59岁最多(占27.97%),职业以农民居多(占73.89%)。2019—2023年HFRS病例发病时间存在4—6月的春夏峰(占31.31%,253/808)和11月—次年1月的秋冬峰(占42.08%,340/808)两个发病高峰;圆形分布法分析结果显示,秋冬季(主高峰)及春夏季(次高峰)发病高峰日分别为12月8日和5月14日,高峰期分别为11月1日—次年1月15日和4月4日—6月25日。2019—2023年安徽省7个鼠媒监测点共放置鼠夹93543夹·次,捕鼠总数2623只,平均鼠密度为2.80%;共检测鼠肺2147份,抗原阳性66份,平均鼠带病毒率为3.07%。结论2019—2023年安徽省HFRS发病整体呈下降趋势,但暴发隐患依然存在,且发病有显著季节性,在高峰期前应尽早落实各项防控措施,有效控制HFRS的流行。展开更多
Background Clonorchis sinensis,one of the most important food-borne zoonotic trematodes,remains prevalent in China.Understanding its infection status in animals is crucial for controlling human clonorchiasis.Here we c...Background Clonorchis sinensis,one of the most important food-borne zoonotic trematodes,remains prevalent in China.Understanding its infection status in animals is crucial for controlling human clonorchiasis.Here we conducted a systematic review and meta-analysis to focus on the spatio-temporal disparities ofC.sinensis infection in animals in China.Methods Data onC.sinensis prevalence in snails,the second intermediate hosts,or animal reservoirs in China were extracted from electronic databases including PubMed,Embase,Web of Science,Chinese Wanfang database,CNKI,VIP,and China Biomedical Literature database.A random-effects meta-analysis model was utilized to estimate the pooled prevalence in each of the above animal hosts.Subgroup analysis and multivariable meta-regression were performed to explore potential sources of heterogeneity across studies and compare the temporal disparity of infection rates between high and low epidemic areas.Scatter plots were used to depict the biogeographical characteristics of regions reportingC.sinensis infection in animals.Results The overall pooled prevalence ofC.sinensis was 0.9%(95%CI:0.6-1.2%)in snails,14.2%(12.7-15.7%)in the second intermediate host,and 14.3%(11.4-17.6%)in animal reservoirs.Prevalence in low epidemic areas(with human prevalence<1%)decreased from 0.6%(0.2-1.2%)before 1990 to 0.0%(0.0-3.6%)after 2010 in snails(P=0.0499),from 20.3%(15.6-25.3%)to 8.8%(5.6-12.6%)in the second intermediate hosts(P=0.0002),and from 18.3%(12.7-24.7%)to 4.7%(1.0-10.4%)in animal reservoirs.However,no similar decrease in prevalence was observed in high epidemic areas(with human prevalence≥1.0%).C.sinensis infections were predominantly reported in areas with altitudes below 2346 m and annual cumulative precipitation above 345 mm and were mostly concentrated in eastern China.Conclusions There are spatio-temporal disparities in the animal infections ofC.sinensis in different areas of China.Animal infections are primarily concentrated in regions with low altitude and high precipitation.The展开更多
Head and neck squamous cell cancer(HNSCC)is a leading global malignancy.Every year,More than 830000 people are diagnosed with HNSCC globally,with more than 430000 fatalities.HNSCC is a deadly diverse malignancy with m...Head and neck squamous cell cancer(HNSCC)is a leading global malignancy.Every year,More than 830000 people are diagnosed with HNSCC globally,with more than 430000 fatalities.HNSCC is a deadly diverse malignancy with many tumor locations and biological characteristics.It originates from the squamous epithelium of the oral cavity,oropharynx,nasopharynx,larynx,and hypopharynx.The most frequently impacted regions are the tongue and larynx.Previous investigations have demonstrated the critical role of host genetic susceptibility in the progression of HNSCC.Despite the advances in our knowledge,the improved survival rate of HNSCC patients over the last 40 years has been limited.Failure to identify the molecular origins of development of HNSCC and the genetic basis of the disease and its biological heterogeneity impedes the development of new therapeutic methods.These results indicate a need to identify more genetic factors underlying this complex disease,which can be better used in early detection and prevention strategies.The lack of reliable animal models to investigate the underlying molecular processes is one of the most significant barriers to understanding HNSCC tumors.In this report,we explore and discuss potential research prospects utilizing the Collaborative Cross mouse model and crossing it to mice carrying single or double knockout genes(e.g.Smad 4 and P53 genes)to identify genetic factors affecting the development of this complex disease using genome-wide association studies,epigenetics,micro RNA,long noncoding RNA,lnc RNA,histone modifications,methylation,phosphorylation,and proteomics.展开更多
基金This work was sponsored by the National Natural Science Foundation of China(No.:81573204,81773500)Henan medical science and technology program(No.:2018010029,2018020510).
文摘Severe fever with thrombocytopenia syndrome(SFTS)is an emerging infectious disease caused by severe fever with thrombocytopenia syndrome virus(SFTSV).SFTSV has been found in humans,ticks and animals,and SFTS has high mortality and increasing prevalence in East Asia.In the study,the samples(heart,liver,lung,kidney,spleen,brain tissue and serum)were collected from 374 domestic animals and 241 wild animals in Pingqiao District and Xinxian County of Xinyang in Henan Province,China.275(44.72%,275/615)animals were positive for anti-SFTSV antibodies,the anti-SFTSV antibodies positive ratios of domestic and wild animals were 43.58%(163/374)and 46.47%(112/241),respectively.There was no significant difference in domestic and wild animals,but significant differences were detected among different species of animals(x^2=112.59,P<0.0001).Among 615 animals,105(17.07%,105/615)animals were positive for SFTSV RNA,and only one SFTSV strain was isolated from heart tissue of a yellow weasel.The phylogenetic analysis shows that the sequence from animals belonged to the same group with viral sequences obtained from humans.The animals maybe play a reservoir host in maintaining the life cycle of SFTSV in nature.
文摘目的探讨安徽省肾综合征出血热(hemorrhagic fever with renal syndrome,HFRS)流行特征,为该病的防治提供参考依据。方法通过中国疾病预防控制信息系统收集2019—2023年安徽省报告的HFRS病例资料,采用描述流行病学方法分析其流行特征,运用圆形分布法分析其季节特征。选取监测点开展鼠媒监测,采用夹夜法监测鼠密度,采用直接免疫荧光方法检测汉坦病毒抗原。结果2019—2023年安徽省累计报告HFRS病例808例,死亡6例,年均发病率为0.2624/10万,病死率为0.74%。16个地市均有病例报告,发病数居前3位的市分别是宣城市(227例)、滁州市和六安市(均为69例)、阜阳市(59例)。男女性病例数性别比为3.17∶1,患者年龄分布以50~59岁最多(占27.97%),职业以农民居多(占73.89%)。2019—2023年HFRS病例发病时间存在4—6月的春夏峰(占31.31%,253/808)和11月—次年1月的秋冬峰(占42.08%,340/808)两个发病高峰;圆形分布法分析结果显示,秋冬季(主高峰)及春夏季(次高峰)发病高峰日分别为12月8日和5月14日,高峰期分别为11月1日—次年1月15日和4月4日—6月25日。2019—2023年安徽省7个鼠媒监测点共放置鼠夹93543夹·次,捕鼠总数2623只,平均鼠密度为2.80%;共检测鼠肺2147份,抗原阳性66份,平均鼠带病毒率为3.07%。结论2019—2023年安徽省HFRS发病整体呈下降趋势,但暴发隐患依然存在,且发病有显著季节性,在高峰期前应尽早落实各项防控措施,有效控制HFRS的流行。
基金This research was funded by the Shandong Postgraduate Quality Education Teaching Resources Project SDYAL2022152,Joint Research Program of China National Center for Food Safety Risk Assessment(LH2022GG08,LH2022GG02),the National Natural Science Foundation of China(81902905,32161143036),the Shandong Provincial Natural Science Foundation(ZR2019MH093),the National Key Research and Development Program of China(2021YFC2300800,2021YFC2300803),Shandong Province Education and Teaching Research Project(2021JXY035).The funding body had no role in the design of the study,data collection and analysis,interpretation of data,or in writing the manuscript.
文摘Background Clonorchis sinensis,one of the most important food-borne zoonotic trematodes,remains prevalent in China.Understanding its infection status in animals is crucial for controlling human clonorchiasis.Here we conducted a systematic review and meta-analysis to focus on the spatio-temporal disparities ofC.sinensis infection in animals in China.Methods Data onC.sinensis prevalence in snails,the second intermediate hosts,or animal reservoirs in China were extracted from electronic databases including PubMed,Embase,Web of Science,Chinese Wanfang database,CNKI,VIP,and China Biomedical Literature database.A random-effects meta-analysis model was utilized to estimate the pooled prevalence in each of the above animal hosts.Subgroup analysis and multivariable meta-regression were performed to explore potential sources of heterogeneity across studies and compare the temporal disparity of infection rates between high and low epidemic areas.Scatter plots were used to depict the biogeographical characteristics of regions reportingC.sinensis infection in animals.Results The overall pooled prevalence ofC.sinensis was 0.9%(95%CI:0.6-1.2%)in snails,14.2%(12.7-15.7%)in the second intermediate host,and 14.3%(11.4-17.6%)in animal reservoirs.Prevalence in low epidemic areas(with human prevalence<1%)decreased from 0.6%(0.2-1.2%)before 1990 to 0.0%(0.0-3.6%)after 2010 in snails(P=0.0499),from 20.3%(15.6-25.3%)to 8.8%(5.6-12.6%)in the second intermediate hosts(P=0.0002),and from 18.3%(12.7-24.7%)to 4.7%(1.0-10.4%)in animal reservoirs.However,no similar decrease in prevalence was observed in high epidemic areas(with human prevalence≥1.0%).C.sinensis infections were predominantly reported in areas with altitudes below 2346 m and annual cumulative precipitation above 345 mm and were mostly concentrated in eastern China.Conclusions There are spatio-temporal disparities in the animal infections ofC.sinensis in different areas of China.Animal infections are primarily concentrated in regions with low altitude and high precipitation.The
基金supported by a core fund from Tel Aviv University and the Department of Oral and Maxillofacial Surgery,Baruch Padeh Medical Center,Poriya,Israel。
文摘Head and neck squamous cell cancer(HNSCC)is a leading global malignancy.Every year,More than 830000 people are diagnosed with HNSCC globally,with more than 430000 fatalities.HNSCC is a deadly diverse malignancy with many tumor locations and biological characteristics.It originates from the squamous epithelium of the oral cavity,oropharynx,nasopharynx,larynx,and hypopharynx.The most frequently impacted regions are the tongue and larynx.Previous investigations have demonstrated the critical role of host genetic susceptibility in the progression of HNSCC.Despite the advances in our knowledge,the improved survival rate of HNSCC patients over the last 40 years has been limited.Failure to identify the molecular origins of development of HNSCC and the genetic basis of the disease and its biological heterogeneity impedes the development of new therapeutic methods.These results indicate a need to identify more genetic factors underlying this complex disease,which can be better used in early detection and prevention strategies.The lack of reliable animal models to investigate the underlying molecular processes is one of the most significant barriers to understanding HNSCC tumors.In this report,we explore and discuss potential research prospects utilizing the Collaborative Cross mouse model and crossing it to mice carrying single or double knockout genes(e.g.Smad 4 and P53 genes)to identify genetic factors affecting the development of this complex disease using genome-wide association studies,epigenetics,micro RNA,long noncoding RNA,lnc RNA,histone modifications,methylation,phosphorylation,and proteomics.