1.Parasite pollution in aquatic products marketed in Fujian Province
Chenxin LIN ; Shihan LIN ; Weiwei CHEN ; Shuling HUANG ; Dianwei JIANG
Chinese Journal of Zoonoses 2017;33(6):564-568
We studied the status of parasite pollution in fish and shrimps in Fujian Province,and provided basis for prevention and control of parasite pollution and food safety in aquatic products.Stratified random sampling method was used,and Fujian Province was divide into Eastern,Southern,Western,Northern and Central five regions of Fujian province.Based on the data collected from the five regions between 2012 and 2016,digestion and compression methods were conducted to detect the levels of parasite metacercariae and larvae in both freshwater and marine products.Results showed that the total parasitoid infection rate was 5.15% (130/2 524).The infection rate of trematode metacercariae and nematode larvae were 3.72% (94/2524) and 1.43% (36/2 524),respectively.Twenty-eight marine aquatic species were investigated and the infection rate was 17.25 % (88/510),in the form of Anisakis infection.The parasite infection rates in the five regions were 10.38% (27/260) in Mindong,5.84% (27/462) inMinnan,4.63% (30/648) in Minxi,4.64% (29/625) in Minbei and 9.91% (103/1 039) in Minzhong.The freshwater products in Fujian Province have been polluted by parasites and are area-depended.The infection rate of marine aquatic products is kept in a high level.Fujian Province should strengthen the food safety and health publicity,take effective prevention and control strategies,and use early warning mechanisms to insure the food safety in province.
2.A new species of Paragonimus sheni--with a key to the species adult worm and metaceycariae of the genus Paragonimus in China
Xiaoyun SHAN ; Chenxin LIN ; Yousong LI ; Ye HU ; Xiuosheng SHEN ; Hougqiang LOU
Chinese Journal of Zoonoses 2009;(12):1143-1148
This paper gives a report on a new species of paragonimus in MT.Wuyishan,Fujian province during 1978 to 1983.All the type are deposited in the Center for Disease Control and Prevention of Fujian province.Holotype body short-oval,12.5 by 7.0mm,ratio of width to length 1:1.79.Ovary 2.0×2.13mm in size,the third class branches.Testes big,2.5 by 3.75mm(left) and 2.0 by 4.75mm(right)in size,as piece-shapy,only 2 litter branches,being much larger than the ovary.cuticular spines slender,sing in arrangement.Matacercaria obtained from the fresh-water crab,Sinopotamon fujianensis Dai et Chen,1979,measuring 395 by 410 micra,its cyst wall sing ,only 3-5 micra.Basing on the characteristic features mentioned above,This worm found by us differs fromP.westermani,P.skrijabini,P.macrorchis,P.mingqingensis and Euparagonimus cenopiosus,and can be considered as a new species of Paragonimus.
3.Schistosomiasis endemic situation in Fujian Province from 2003 to 2008
Lisha LI ; Rongyan ZHANG ; Youzhu CHENG ; Chenxin LIN ; Baojian CHEN ; Yanrong LI ; Yanyan FANG ; Kaiqian LIN ; Dianwei JIANG ; Jinxiang LIN
Chinese Journal of Schistosomiasis Control 2009;21(6):525-527
In order to understand the situation of schistosomiasis in Fujian Province, the surveillance and field survey data of 16 counties (cities or districts) were statistically analyzed from 2003 to 2008 according to the national and provincial surveillance protocols. The snail areas were 69 400 m~2 in 2003, and 506 700 m~2 in 2004, then decreased to 57 700 m~2 in 2008 after the snail control in 2005 and 2006. Serological examinations were conducted in 18 000 people, among which 5 412 people were the mobile population from schistosome-endemic areas, and 110 persons were positive, among which 8 persons had eggs and miracidia in their stools, among 7 885 appendix samples, Schistosoma japonicum eggs were found in 8 samples of the patients who came from the o-riginal endemic areas. By the stool examination, 2 709 head of farm cattle in the region with snails were not found infected with Schistosoma japonicum. It is suggested that the areas of residual snails are large and widespread, and the imported patients are found frequently, so the danger of schistosomisis transmission still remains.
4.Prevalence of Anisakise infections in marine fishes in Eastern Fujian Fishing Ground of Fujian Province
Wuwei CAI ; Chenxin LIN ; Dan ZHENG ; Hanguo XIE
Chinese Journal of Schistosomiasis Control 2023;35(1):78-81
Objective To investigate the prevalence of Anisakis infection in marine fishes in Eastern Fujian Fishing Ground of Fujian Province, so as to provide insights into the development of the anisakiasis control strategy.. Methods Marine fish samples were randomly collected from Jiaocheng District, Fuding City and Xiapu County around Eastern Fujian Fishing Ground in Fujian Province from September to December, 2021. All fishes were dissected, and the abdominal contents were collected. Parasites were sampled under a stereomicroscope and the Anisakis species were identified through morphology. The prevalence and intensity of Anisakis infections were calculated. Results A total of 177 marine fishes belonging to 24 species were dissected, and Anisakis was detected in 73 marine fishes (41.2%) belonging to 16 species (66.7%), with a mean infection intensity of 14.3 parasites per fish. High prevalence of Anisakis infection was found in Ilisha elongata (5/5), Miichthys miiuy (3/3), Plectorhynchus cinctus (2/2), Scomberomorus niphonius (12/13), Trichiurus lepturus (19/23), Pennahia argentata (6/11) and Ditrema temmincki (14/27), with mean infection intensities of 9.2, 2.7, 4.5, 10.9, 39.2, 4.5 parasites per fish and 2.1 parasites per fish. The Anisakis larvae were characterized as Anisakis and Hysterothylacium. Conclusions High prevalence of Anisakis infection is detected in marine fishes in Eastern Fujian Fishing Ground of Fujian Province. The health education pertaining to food health is required to be reinforced to prevent the development of human anisakiasis.
5.Construction and reliability and validity of a scale for assessing psychiatric nurses' knowledge, attitude and practice towards the use of protective restraint
Junrong YE ; Haoyun WANG ; Wen WANG ; Aixiang XIAO ; Chenxin WU ; Li WANG ; Zhichun XIA ; Lian JIANG ; Yaling LI ; Lin YU ; Xingxiao HUANG ; Hang YANG
Sichuan Mental Health 2024;37(2):137-143
BackgroundThe existing tools in China for assessing psychiatric nurses' knowledge, attitude and practice towards the use of protective restraint do not sufficiently consider the specialty in psychiatric practice, and the scale items are somewhat cumbersome to use, which together restrict their further promotion and application. Accordingly, there is an urgent need for developing a more scientific assessment tool. ObjectiveTo construct a scale for assessing psychiatric nurses' knowledge, attitude and practice towards the use of protective restraint and to verify its reliability and validity, so as to provide a generic tool for the assessment. MethodsBased on the theoretical framework of the knowledge-attitude-practice model, the preliminary scale was formed through systematic literature review, qualitative interview and Delphi method. From July to December 2021, a stratified sampling was utilized to select 729 psychiatric nurses from tertiary, secondary and primary (including unclassified medical institutions and grassroots hospitals) psychiatric hospitals in Guangdong Province. The formal scale was developed through item analysis, exploratory factor analysis and confirmatory factor analysis. The validity of the scale was evaluated by content validity and structure validity, and the reliability was verified by procedures including Cronbach's α coefficient, test-retest reliability, and split-half reliability. ResultsA total of 12 items of three dimensions (knowledge, attitude, practice) were included in the scale for assessing psychiatric nurses' knowledge, attitude and practice towards the use of protective restraint. The scale-level content validity index (S-CVI) was 0.941, and the item-level content validity index (I-CVI) ranged from 0.812 to 1.000. Exploratory factor analysis extracted three common factors, and the cumulative variance contribution rate was 62.948%. The confirmatory factor yielded adequate fit. Cronbach's α coefficient was found to be 0.887 for the scale, 0.819 for knowledge dimension, 0.842 for attitude dimension, and 0.831 for practice dimension. The split-half reliability and test-retest reliability for the scale were 0.712 and 0.922, respectively. ConclusionThe scale shows satisfactory reliability and validity, which can be used to assess psychiatric nurses' knowledge, attitude and practice towards the use of protective restraint. [Funded by Guangdong Clinical Teaching Base Teaching Reform Research Project (number, 2021JD119)]
6.PRMT6 promotes tumorigenicity and cisplatin response of lung cancer through triggering 6PGD/ENO1 mediated cell metabolism.
Mingming SUN ; Leilei LI ; Yujia NIU ; Yingzhi WANG ; Qi YAN ; Fei XIE ; Yaya QIAO ; Jiaqi SONG ; Huanran SUN ; Zhen LI ; Sizhen LAI ; Hongkai CHANG ; Han ZHANG ; Jiyan WANG ; Chenxin YANG ; Huifang ZHAO ; Junzhen TAN ; Yanping LI ; Shuangping LIU ; Bin LU ; Min LIU ; Guangyao KONG ; Yujun ZHAO ; Chunze ZHANG ; Shu-Hai LIN ; Cheng LUO ; Shuai ZHANG ; Changliang SHAN
Acta Pharmaceutica Sinica B 2023;13(1):157-173
Metabolic reprogramming is a hallmark of cancer, including lung cancer. However, the exact underlying mechanism and therapeutic potential are largely unknown. Here we report that protein arginine methyltransferase 6 (PRMT6) is highly expressed in lung cancer and is required for cell metabolism, tumorigenicity, and cisplatin response of lung cancer. PRMT6 regulated the oxidative pentose phosphate pathway (PPP) flux and glycolysis pathway in human lung cancer by increasing the activity of 6-phospho-gluconate dehydrogenase (6PGD) and α-enolase (ENO1). Furthermore, PRMT6 methylated R324 of 6PGD to enhancing its activity; while methylation at R9 and R372 of ENO1 promotes formation of active ENO1 dimers and 2-phosphoglycerate (2-PG) binding to ENO1, respectively. Lastly, targeting PRMT6 blocked the oxidative PPP flux, glycolysis pathway, and tumor growth, as well as enhanced the anti-tumor effects of cisplatin in lung cancer. Together, this study demonstrates that PRMT6 acts as a post-translational modification (PTM) regulator of glucose metabolism, which leads to the pathogenesis of lung cancer. It was proven that the PRMT6-6PGD/ENO1 regulatory axis is an important determinant of carcinogenesis and may become a promising cancer therapeutic strategy.