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1. Determination of arsenic speciation and the possible source of methylated arsenic in Panax Notoginseng

Author:
Jiang, Yanxue,   et al.   ; Zhu, Meilin; Zeng, Xiancai; Fan, Xiaoting; Chao, Sihong; Cao, Hongbin; Zhang, Wensheng;     Show all 7 Authors
Source:
Chemosphere 2017 v.168 pp. 1677-1683
ISSN:
0045-6535
Subject:
Panax notoginseng; arsenic; arsenites; cacodylic acid; correlation; fluorescence; genes; high performance liquid chromatography; hydrides; medicinal plants; methyltransferases; planting; reverse transcriptase polymerase chain reaction; risk; soil; toxicity; transcription (genetics)
Abstract:
... Arsenic species and a possible source of methylated arsenic in a Panax Notoginseng (PN) medicinal plant were explored to further understand the change of inorganic arsenic to the less toxic methylated form to minimize the health risks associated with its medicinal use. Arsenic speciation in PN from major planting areas was determined using high-performance liquid chromatography coupled with hydrid ...
DOI:
10.1016/j.chemosphere.2016.10.093

2. Source apportionment and health risk assessment of heavy metals in soil for a township in Jiangsu Province, China

Author:
Jiang, Yanxue,   et al.   ; Chao, Sihong; Liu, Jianwei; Yang, Yue; Chen, Yanjiao; Zhang, Aichen; Cao, Hongbin;     Show all 7 Authors
Source:
Chemosphere 2017 v.168 pp. 1658-1668
ISSN:
0045-6535
Subject:
adults; arsenic; breathing; cadmium; children; chromium; cobalt; copper; data collection; dyeing; emissions; fabrics; geostatistics; heavy metals; humans; ingestion; land use; lead; livestock and meat industry; livestock breeding; neoplasms; nickel; risk; risk assessment; soil; soil pollution; soil sampling; traffic; waste incineration; zinc; China
Abstract:
... Human activities contribute greatly to heavy metal pollution in soils. Concentrations of 15 metal elements were detected in 105 soil samples collected from a typical rural-industrial town in southern Jiangsu, China. Among them, 7 heavy metals—lead, copper, zinc, arsenic, chromium, cadmium, and nickel—were considered in the health risk assessment for residents via soil inhalation, dermal contact, a ...
DOI:
10.1016/j.chemosphere.2016.11.088

3. Urbanization-related changes in soil PAHs and potential health risks of emission sources in a township in Southern Jiangsu, China

Author:
Jiang, Yanxue,   et al.   ; Cao, Hongbin; Chao, Sihong; Qiao, Li; Zeng, Xiancai; Fan, Xiaoting;     Show all 6 Authors
Source:
The Science of the total environment 2017 v.575 pp. 692-700
ISSN:
0048-9697
Subject:
benzo(a)pyrene; biomass; burning; coal; combustion; emissions; gas chromatography-mass spectrometry; gasoline; industrialization; ingestion; natural gas; neoplasms; polycyclic aromatic hydrocarbons; risk; soil; soil sampling; straw; traffic; urbanization; China
Abstract:
... Urbanization, which is characterized by population aggregation, industrial development, and increased traffic load, may change local polycyclic aromatic hydrocarbons (PAH) emissions and their associated health risks. To investigate these changes, we collected soil samples in 2009 and 2014 in a rapidly developing small town in Southern Jiangsu (China) and measured the concentrations of 16 PAHs via ...
DOI:
10.1016/j.scitotenv.2016.09.106

4. Genetic variation of mini- and microsatellites and a clonal structure in Enterocytozoon bieneusi population in foxes and raccoon dogs and population differentiation of the parasite between fur animals and humans

Author:
Jiang, Yanxue,   et al.   ; Li, Wei; Wan, Qiang; Yu, Qinlei; Yang, Yuqi; Tao, Wei; Xiao, Lihua;     Show all 7 Authors
Source:
Parasitology research 2016 v.115 no.7 pp. 2899-2904
ISSN:
0932-0113
Subject:
Enterocytozoon; Nyctereutes procyonoides; Primates; birds; foxes; fur-bearing animals; gene flow; genetic markers; genetic variation; genotype; genotyping; hosts; humans; internal transcribed spacers; linkage disequilibrium; microsatellite repeats; parasites; phylogeny; population structure; surveys; China
Abstract:
... Enterocytozoon bieneusi is an obligate intracellular protozoan parasite that infects a wide range of mammal hosts and birds. Previous genotypic surveys were limited to measure the polymorphisms at the ribosomal internal transcribed spacer (ITS) that evolved slowly. Data on population structure are available only on E. bieneusi isolates from primates. This study explored the genotypic and phylogene ...
DOI:
10.1007/s00436-016-5069-3

5. Molecular investigation of Cryptosporidium in small caged pets in northeast China: host specificity and zoonotic implications

Author:
Jiang, Yanxue,   et al.   ; Li, Qiao; Li, Lu; Tao, Wei; Wan, Qiang; Lin, Yongchao; Li, Wei;     Show all 7 Authors
Source:
Parasitology research 2016 v.115 no.7 pp. 2905-2911
ISSN:
0932-0113
Subject:
Columba livia; Cryptosporidium; Garrulax canorus; Gracula religiosa; Tamias; budgerigars; feces; ferrets; genes; genotype; hills; host range; host specificity; markets; pets; polymerase chain reaction; public health; ribosomal RNA; sequence analysis; squirrels; China
Abstract:
... This study screened 151 pet-derived fecal specimens randomly collected from four commercial markets in northeast China for the presence of Cryptosporidium by genus-specific nested PCRs of the small subunit rRNA gene. Of these, 14 specimens (9.3 %) from nine species of birds, two types of rodents, and a hedgehog were positive for Cryptosporidium. Sequence analysis on the PCR-positive isolates facil ...
DOI:
10.1007/s00436-016-5076-4

6. Effects of Sulfate Application on Inhibiting Accumulation and Alleviating Toxicity of Arsenic in Panax notoginseng Grown in Arsenic-Polluted Soil

Author:
Jiang, Yanxue,   et al.   ; Zeng, Xiancai; Fan, Xiaoting; Chao, Sihong; Yang, Yue; Liu, Jianwei; Zhu, Meilin; Cao, Hongbin;     Show all 8 Authors
Source:
Water, air, and soil pollution 2016 v.227 no.5 pp. 148
ISSN:
0049-6979
Subject:
Panax notoginseng; arsenic; fertilizers; medicinal plants; peroxidase; planting; pot culture; roots; saponins; soil; sulfates; superoxide dismutase; toxicity
Abstract:
... Panax notoginseng (P. notoginseng) is a well-known traditional Chinese medicinal herb. Due to elevated arsenic (As) levels in some planting area, P. notoginseng and its derivatives are contaminated, and the As concentration in these products exceeds the standard limit (As concentration < 2 mg/kg). In this study, the effects of sulfate (S) application on As uptake and the physicological response of ...
DOI:
10.1007/s11270-016-2836-9

7. Cadmium accumulation in Panax notoginseng: levels, affecting factors and the non-carcinogenic health risk

Author:
Jiang, Yanxue,   et al.   ; Zhu, Meilin; Jiang, Yang; Cui, Bin; Cao, Hongbin; Zhang, Wensheng;     Show all 6 Authors
Source:
Environmental geochemistry and health 2016 v.38 no.2 pp. 423-435
ISSN:
0269-4042
Subject:
Monte Carlo method; Panax notoginseng; World Health Organization; acceptable daily intake; cadmium; diet; females; herbal medicines; males; men; pH; regression analysis; risk; roots; women; zinc; China
Abstract:
... Cadmium (Cd) contamination has been reported to be a problem for the safe usage of Panax notoginseng (Sanchi); thus, it is necessary to elucidate the Cd accumulation in Sanchi and to assess its associated health risk. Samples were collected from major producing areas in Yunnan, China. The average concentration of Cd in Sanchi was 0.43 mg/kg, which exceeds the standard level for herbal medicine in ...
DOI:
10.1007/s10653-015-9728-6

8. Identification of the sources of metals and arsenic in river sediments by multivariate analysis and geochemical approaches

Author:
Jiang, Yanxue,   et al.   ; Cui, Bin; Zhu, Meilin; Jiang, Yang; Cao, Hongbin;     Show all 5 Authors
Source:
Journal of soils and sediments 2014 v.14 no.8 pp. 1456-1468
ISSN:
1439-0108
Subject:
anthropogenic activities; arsenic; bedrock; cadmium; chromium; copper; fractionation; ionization; isotopes; lead; mercury; mining; multivariate analysis; rivers; sediment contamination; sediments; soil; spectrometers; zinc; China
Abstract:
... PURPOSE: Frequent mining activities and higher background values in soil have led to the contamination of the sediments of some rivers in southwest China by several metals and arsenic (As). This study combined multivariate analysis with geochemical approaches to differentiate mining activity from other sources, which may aid to evaluate the effectiveness of reducing mining release. MATERIALS AND M ...
DOI:
10.1007/s11368-014-0930-4

9. First report of Cryptosporidium canis in foxes (Vulpes vulpes) and raccoon dogs (Nyctereutes procyonoides) and identification of several novel subtype families for Cryptosporidium mink genotype in minks (Mustela vison) in China

Author:
Jiang, Yanxue,   et al.   ; Zhang, Siwen; Tao, Wei; Liu, Chengwu; Wan, Qiang; Li, Qiao; Yang, Hang; Lin, Yongchao; Li, Wei;     Show all 9 Authors
Source:
Infection, genetics, and evolution 2016 v.41 pp. 21-25
ISSN:
1567-1348
Subject:
Cryptosporidium; Neovison vison; Nyctereutes procyonoides; Vulpes vulpes; amino acid sequences; captive animals; cryptosporidiosis; foxes; fur-bearing animals; genes; genetic traits; genetic variation; genotype; glycoproteins; host range; hosts; humans; mink; molecular epidemiology; parasites; polymerase chain reaction; public health; ribosomal RNA; sequence analysis; wildlife; China
Abstract:
... Despite the rapid and extensive advances in molecular epidemiology of Cryptosporidium in humans and a variety of animals, the prevalence and genetic traits of the parasite in wildlife bred in captivity and the role of the neglected hosts in zoonotic transmission of human cryptosporidiosis are rarely understood. This study investigated the prevalence, species/genotype, and subtype of Cryptosporidiu ...
DOI:
10.1016/j.meegid.2016.03.016

10. High Prevalence and Widespread Distribution of Zoonotic Enterocytozoon bieneusi Genotypes in Swine in Northeast China: Implications for Public Health

Author:
Jiang, Yanxue,   et al.   ; Wan, Qiang; Lin, Yongchao; Mao, Yixian; Yang, Yuqi; Li, Qiao; Zhang, Siwen; Tao, Wei; Li, Wei;     Show all 9 Authors
Source:
The journal of eukaryotic microbiology 2016 v.63 no.2 pp. 162-170
ISSN:
1066-5234
Subject:
cities; drinking water; feces; genotype; human diseases; humans; internal transcribed spacers; microsporidiosis; parasites; pathogens; phylogeny; polymerase chain reaction; public health; swine; wastewater; water pollution; China
Abstract:
... This study analyzed 563 fecal specimens of asymptomatic pigs from five cities of northeast China for the prevalence and genetic characteristics of Enterocytozoon bieneusi. The parasite was detected in 267 of 563 (47.4%) pigs by nested PCR of the ribosomal internal transcribed spacer (ITS). The differences in prevalence between preweaned (58.0%, 94/162) and growing pigs (39.6%, 114/288) and between ...
DOI:
10.1111/jeu.12264

11. Levels of arsenic pollution in daily foodstuffs and soils and its associated human health risk in a town in Jiangsu Province, China

Author:
Jiang, Yanxue,   et al.   ; Zeng, Xiancai; Fan, Xiaoting; Chao, Sihong; Zhu, Meilin; Cao, Hongbin;     Show all 6 Authors
Source:
Ecotoxicology and environmental safety 2015 v.122 pp. 198-204
ISSN:
0147-6513
Subject:
arsenic; bioavailability; crabs; eggs; emissions; females; fertilizers; fish; fruits; geophagia; human health; industry; ingestion; males; neoplasms; paddies; pesticides; pollution; pork; rice; risk; rural areas; shrimp; sludge; soil; uncertainty; vegetables; water management; China
Abstract:
... The development of industries in rural areas can aggravate the arsenic (As) contamination of the local environment, which may pose unacceptable health risks to the local residents. This paper estimated the health risk posed by inorganic As (iAs) to residents via ingestion of soil, skin contact with soil and consumption of foodstuffs in a typical rural- industrial developed town in southern Jiangsu ...
DOI:
10.1016/j.ecoenv.2015.07.018

12. Widespread presence of human-pathogenic Enterocytozoon bieneusi genotype D in farmed foxes (Vulpes vulpes) and raccoon dogs (Nyctereutes procyonoides) in China: first identification and zoonotic concern

Author:
Jiang, Yanxue,   et al.   ; Yang, Yuqi; Lin, Yongchao; Li, Qiao; Zhang, Siwen; Tao, Wei; Wan, Qiang; Li, Wei;     Show all 8 Authors
Source:
Parasitology research 2015 v.114 no.11 pp. 4341-4348
ISSN:
0932-0113
Subject:
Nyctereutes procyonoides; Vulpes vulpes; adults; captive animals; dog diseases; feces; foxes; genes; genotype; hosts; humans; internal transcribed spacers; juveniles; loci; polymerase chain reaction; public health; ribosomal RNA; sequence analysis; wild animals; China
Abstract:
... Enterocytozoon bieneusi is a well-known causative agent of microsporidial infections in a variety of mammal hosts including humans in China, whereas there were no epidemiological data on wild animals bred in captivity, and the role of the neglected hosts in transmission of zoonotic microsporidiasis remains unknown. Herein, we investigated feces from 191 farmed foxes (Vulpes vulpes) and 162 farmed ...
DOI:
10.1007/s00436-015-4714-6

13. Determination of the Heavy Metal Levels in Panax notoginseng and the Implications for Human Health Risk Assessment

Author:
Jiang, Yanxue,   et al.   ; Zhu, Meilin; Jiang, Yang; Cui, Bin; Cao, Hongbin; Zhang, Wensheng;     Show all 6 Authors
Source:
Human and ecological risk assessment 2015 v.21 no.5 pp. 1218-1229
ISSN:
1549-7860
Subject:
Oriental traditional medicine; Panax notoginseng; United States Environmental Protection Agency; World Health Organization; acceptable daily intake; arsenic; carcinogenicity; chromium; copper; health hazards; heavy metals; human health; lead; nickel; plantations; risk; risk assessment; zinc
Abstract:
... High levels of heavy metals in Panax notoginseng (Sanchi), a valued traditional Chinese medicine, have drawn increasing concern regarding the safe usage of Sanchi preparations. Here, we measured the concentrations of six heavy metals in Sanchi samples from 20 major plantations, investigated the pharmaceutical processes and usages of Sanchi preparations, and assessed the associated potential health ...
DOI:
10.1080/10807039.2014.957942

14. Prevalence and genetic characteristics of Cryptosporidium, Enterocytozoon bieneusi and Giardia duodenalis in cats and dogs in Heilongjiang province, China

Author:
Jiang, Yanxue,   et al.   ; Li, Wei; Li, Yijing; Song, Mingxin; Lu, Yixin; Yang, Jinping; Tao, Wei; Wan, Qiang; Zhang, Siwen; Xiao, Lihua;     Show all 10 Authors
Source:
Veterinary parasitology 2015 v.208 no.3-4 pp. 125-134
ISSN:
0304-4017
Subject:
Cryptosporidium; DNA; Enterocytozoon; Giardia lamblia; amino acid sequences; cats; cryptosporidiosis; dogs; feces; genes; genotype; genotyping; giardiasis; human diseases; humans; internal transcribed spacers; microsporidiosis; pets; phylogeny; polymerase chain reaction; ribosomal RNA; sequence analysis; triose-phosphate isomerase; wastewater; water pollution; China
Abstract:
... This study investigated 319 fecal specimens of cats (n=52) and dogs (n=267) from Heilongjiang province, China for the prevalence and genetic characteristics of Cryptosporidium, Enterocytozoon bieneusi, and Giardia duodenalis. PCR and DNA sequence analysis of the small subunit rRNA gene identified C. felis and C. parvum in one cat each (3.8%) and C. canis and C. ubiquitum in 6 dogs (2.2%). Polymorp ...
DOI:
10.1016/j.vetpar.2015.01.014