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Spatio-temporal distribution of malaria vectors(Diptera:Culicidae) across different climatic zones of Iran

Asian Pacific Journal of Tropical Medicine 2011年第6期4卷 498-504页

作者： Ahmad Ali Hanafi-Bojd Shahyad Azari-Hamidian Hassan Vatandoost Zabihollah Charrahy Department of Medical Entomology and Vector Control School of Public HealthTehran University of Medical SciencesTehranIran School of Health Guilan University of Medical SciencesRashtIran department of Education Jehad-e-Daneshgahi of Tehran UniversityTehranIran

Malaria is a main vector-borne public health problem in Iran.The last studies on Iranian mosquitoes show 31 Anopheles species including different sibling species and genotypes,eight of them are reported to play role in malaria transmission.The objective of this study is to provide a reference for malaria vectors of Iran and to map their spatial and temporal distribution in different climatic zones.Shape files of administrative boundaries and climates of Iran were provided by National Cartographic Center.Data on distribution and seasonal activity of malaria vectors were obtained from different sources and a databank in district level was created in Excel 2003, inserted to the shape files and analyzed by ArcGIS 9.2 to provide the maps.Anopheles culicifacies Giles s.l.,Anopheles dthali Patton,Anopheles fluviatilis James s.L,Anopheles maculipennis Meigen s.L,Anopheles sacharovi Favre,Anopheles stephensi IJston,and Anopheles superpictus Grassi have been introduced as primary and secondary malaria vectors and Anopheles puicherrimus Theobald as a suspected vector in Iran.Temporal distribution of anopheline mosquitoes is restricted to April_December in northern Iran,however mosquitoes can be found during the year in southern region.Spatial distribution of malaria vectors is different based on species,thus six of them(except for Anopheles maculipennis s.***.and Anopheles sacharovi) are reported from endemic malarious area in southern and southeastern areas of Iran.The climate of this part is usually warm and humid,which makes it favorable for mosquito rearing and malaria transmission.Correlation between climate conditions and vector distribution can help to predict the potential range of activity for each species and preparedness for malaria epidemics.

关键词： Anopheles Malaria Distribution GIS Iran

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First survey of hard ticks(Acari: Ixodidae) on cattle, sheep and goats in Boeen Zahra and Takistan counties, Iran

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Asian Pacific Journal of Tropical Biomedicine 2012年第6期2卷 489-492页

作者： Masoomeh Shemshad Khadijeh Shemshad Mohammad Mehdi Sedaghat Majid Shokri Alireza Barmaki Mojgan Baniardalani Javad Rafinejad department of Agricultural Extension and Education Science and Research Branch Islamic Azad University department of entomology Science and Research Branch Islamic Azad University Department of Medical Entomology and Vector Control School of Public Health Tehran University of Medical Sciences Parasitic and Protozoan Diseases control Office Qazvin Veterinary Organization Department of Medical Entomology and Vector Control Health Center of Takistan County Evaluation Management and Development Center Deputy of Research Ministry of Health and Medical Education

Objective:To carry out the distribution survey of hard ticks of livestock in Boeen Zahra and Takistan counties of Qazvin province from April 2010 to September 2010.Methods:Nearly about 2638 sheep, 461 goats and 318 cattle of 38 herds in different geographical areas were searched for tick infestation.Results:The species compositions collected from the livestock of Boeen Zahra and Takistan wereHaemaphysalis concinna(0.63%),Haemaphysalis sulcata(12.66%),Hyalomma anatolicum(3.80%),Hyalomma asiaticum(3.16%),Hyalomma detritum(5.70%),Hyalomma dromedarii(28.48%),Hyalomma marginatum(13.29%),Hyalomma schulzei(1.89%),Rhipicephalus bursa(3.16%) and Rhipicephalus sanguineus(3.16%), and for Takistan's livestock were Hyalomma dromedarii(9.86%),Hyalomma marginatum(13.29%),Hyalomma schulzei(1.89%) and Rhipicephalus sanguineus(3.16%), respectively. Hard ticks compositions in different topographic areas were different.Hyalommaspecies had the most prevalence in the areas.Conclusions:The veterinary and public health investigation of the above species should be taken.

关键词： Hard ticks Ixodidae Cattle Sheep Goats Boeen Zahra Takistan Iran

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Susceptibility of Anopheles maculipennis to different classes of insecticides in West Azarbaijan Province, Northwestern Iran

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Asian Pacific Journal of Tropical Biomedicine 2015年第5期5卷 403-406页

作者： Ali Reza Chavshin Farrokh Dabiri Hassan Vatandoost Mulood Mohammadi Bavani Social Determinants of Health Research Center Urmia University of Medical Sciences Department of Medical Entomology and Vector Control School of Public Health Urmia University of Medical Sciences Department of Medical Entomology and Vector Control School of Public Health Tehran University of Medical Sciences

Objective: To determine the susceptibility status of Anopheles maculipennis(An. maculipennis) against the major insecticides used in the health sectors in West Azarbaijan Province, Northwestern Iran.Methods: Unfed 3-5 days old adult females of An. maculipennis were collected across the West Azarbaijan Province and were subjected to evaluation of their susceptibility following World Health Organization recommended protocol against six insecticides(permethrin, deltamethrin, propoxur, bendiocarb, malathion and dieldrin) belonging to four different classes. Results: In this study, 916 specimens of An. maculipennis were examined against the insecticides which indicated that An. maculipennis was tolerant to permethrin, deltamethrin and dielderin, but displayed resistance against propoxur, bendiocarb and malathion. Conclusions: The pattern of resistance in An. maculipennis could be attributed to the agricultural landscapes, agricultural pesticides used and the exposure of the mosquitoes to insecticides. Logical cooperation is needed between the agriculture and health sectors to ensure the judicious use of pesticides in each sector and the management of probable resistance.

关键词： Anopheles maculipennis Insecticide Resistance Iran

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Bio-ecology of malaria vectors in an endemic area,Southeast of Iran

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Asian Pacific Journal of Tropical Medicine 2016年第1期9卷 29-35页

作者： Masoud Yeryan Hamid Rreza Basseri Ahamd Ali Hanafi-Bojd Ahmad Raeisi Hamideh Edalat Reza Safari Minab District Health Center department of medical entomology & vector control School of Public HealthTehran University of Medical Sciences National Malaria Elimination Program Manager CDCMOH & ME Deputy of Health Hormozgan University of Medical Sciences

Objective:To determine some bio-ecological aspects of malaria vectors in Jask County,where is targeted for malaria elimination in the national program.Methods:Mosquitoes were collected monthly during 2013-2014 using different collection methods.Subsequently,ELISA test was used to detect the human blood index of mosquitoes.The susceptibility status of Anopheles stephensi was evaluated against the diagnostic dosages of seven WHO recommended insecticides.Results:A total of 3 650 female and 4 736 Anopheles larvae were collected including Anopheles stephensi,Anopheles culicifacies s.l.,Anopheles dthali.Anopheles fluviatilis s.l.,Anopheles moghulensis and Anopheles turkhodi species.Anopheles stephensi was the dominant collected species on human baits and indoors with high rate of unfed and gravid specimens in internal and external window traps.Human blood index was calculated as 14.3%for this species.It was also found to be resistant to DDT and Dieldrin.Conclusions:The collected species had a wide range of habitats,and resting behaviors.With regarding to the presence of most important malaria vectors in Jask.control of the disease may be so complicated;as based on the weather condition it can be transmitted during the whole year,except for cold months.With this strong potential of transmission,existing population movements in the area may lead to imported cases of malaria and local outbreak(s).So,more specific studies on malaria vectors in high risk areas of Jask County are recommended.

关键词： Malaria Ecology Anopheles stephensi Insecticide resistance Southern Iran

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A direct,sensitive and high-throughput genus and species-specific molecular assay for large-scale malaria screening

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Infectious Diseases of Poverty 2022年第2期11卷 11-22页

作者： Yaling Zhao Ye Zhao Yu Sun Lihua Fan Duoquan Wang Heng Wang Xiaodong Sun Zhi Zheng Institute of Basic medical Sciences Chinese Academy of Medical SciencesSchool of Basic MedicinePeking Union Medical CollegeBeijingChina Yunnan Institute of Parasitic Diseases Yunnan Center for Malaria ResearchInstitute of Vector and Pathogen BiologyDali UniversityPuerYunnanChina National Institute of Parasitic Diseases Chinese Center for Disease Control and PreventionWHO Collaborating Center for MalariaSchistosomiasisand FilariasisKey Laboratory of Parasite and Vector BiologyMinistry of HealthShanghaiChina Blood Transfusion department Peking Union Medical College HospitalChinese Academy of Medical SciencesBeijingChina

Background:Infectious disease diagnostics often requires sensitive molecular assays that identify at both genus and species levels.For large scale screening,such as malaria screening for elimination,diagnostic assay can be a challenge,as both the throughput and cost of the assay must be considered.The requirement of nucleic acid extraction hampers the throughput of most molecular assays.Co-amplification of multiple species or multiplex identification either can result in missed diagnosis or are too costly for large-scale screening.A genus-and species-specific diagnostic assay with simplified procedure,high sensitivity and throughput is still needed.This study aimed to develop a sensitive and high-throughput approach for large-scale infectious disease screening.Methods:We developed multi-section Capture and Ligation Probe PCR(mCLIP-PCR)for the direct detection of RNA without extraction and reverse transcription.Multiple tailed sandwich hybridization probes were used to bind at genus-and species-specific sections of the target RNA to cooperatively capture the target onto a 96-well plate.After enzymatic ligation of the bound probes,a single-stranded DNA formed at each section with distinct tail sequence at the ends.They were separately PCR-amplified with primers corresponding to tail sequences for genus or species identification.We applied the method to the active screening ofPlasmodium infections of 4,580 asymptomatic dried blood spot samples collected in malaria endemic areas and compared the results with standard qPCR using linear regression.Results:With multi-section cooperative capture but separate amplification strategy,we accurately identified genusPlasmodium and speciesP.falciparum andP.vivax without RNA extraction,with favorable sensitivities among the published reports.In the active screening,our method identified all 53 positive infections including two mixed infections,and twoP.vivax infections that were missed by standard qPCR.Conclusions:mCLIP-PCR provides a sensitive and high-throughput approach to la

关键词： Infectious disease Malaria Molecular screening CLIP-PCR Genus Species High-throughput

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Unusual presentation of disseminated cutaneous leishmaniasis due to Leishmania major.Case reports of four Iranian patients

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Asian Pacific Journal of Tropical Medicine 2013年第4期6卷 333-336页

作者： Hajjaran H Mohebali M Akhavan AA Taheri A Barikbin B Soheila Nassiri S department of medical Parasitology and Mycology School of Public HealthTehran University of Medical Sciences Department of Medical Entomology and Vector Control School of Public HealthTehran University of Medical Sciences Khanevadeh Hospital department of Dermatology Skin Research CenterShaheed Beheshti University of Medical Sciences

We report four disseminated cutaneous leishmaniasis(DCL) cases referred to leishmaniasis laboratory at the School of Public Health,Tehran University of medical Sciences with multiple nodular,ulcerative and crusted lesions extended on the face,trunk,and extremities.None of the patients had any complication and historical involvement in their immunological system conditions that suggest as the criteria for DCL.Direct smears of ulcers were positive for Leishmania parasite.The parasite was isolated from the active lesions and identified as Leishmania major(L major) using PCR-RFLP assay and sequencing analysis.

关键词： Disseminated cutaneous leishmaniasis (DCL) Leishmania major PCR-RFLP Iran

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Modelling the probability of presence of Aedes aegypti and Aedes albopictus in Iran until 2070

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Asian Pacific Journal of Tropical Medicine 2023年第1期16卷 16-25页

作者： Mohammad Mehdi Sedaghat Faramarz Bozorg Omid Mohammad Karimi Sajjad Haghi Ahmad Ali Hanafi-Bojd department of vector Biology&control School of Public HealthTehran University of Medical SciencesTehranIran department of GIS Faculty of Geodesy and Geomatics EngineeringK.N.Toosi University of TechnologyTehranIran Zoonoses Research Center Tehran University of Medical SciencesTehranIran

Objective:To determine the suitable ecological habitats of Aedes(Ae.)aegypti and Ae.albopictus in Iran due to climate change by the 2070s.Methods:All data relating to the spatial distribution of Ae.aegypti and Ae.albopictus worldwide,which indicated the geographical coordinates of the collection sites of these mosquitoes,were extracted from online scientific websites and entered into an Excel file.The effect of climatic and environmental variables on these mosquitoes was evaluated using the MaxEnt model in the current and future climatic conditions in the 2030s,2050s,and 2070s.Results:The most suitable areas for the establishment of Ae.aegypti are located in the southern and northern coastal areas of Iran,based on the model outputs.The modelling result for suitable ecological niches of Ae.albopictus shows that in the current climatic conditions,the southern half of Iran from east to west,and parts of the northern coasts are prone to the presence of this species.In the future,some regions,such as Gilan and Golestan provinces,will have more potential to exist/establish Ae.albopictus.Also,according to the different climate change scenarios,suitable habitats for this species will gradually change to the northwest and west of the country.The temperature of the wettest season of the year(Bio8)and average annual temperature(Bio1)were the most effective factors in predicting the model for Ae.aegypti and Ae.albopictus,respectively.Conclusions:It is required to focus on entomological studies using different collection methods in the vulnerable areas of Iran.The future modelling results can also be used for long-term planning to prevent the entry and establishment of these invasive Aedes vectors in the country.

关键词： Aedes aegypti Aedes albopictus Dengue fever Chikungunya Ecological Niche Modeling Climate change

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AAV mediated carboxyl terminus of Hsp70 interacting protein overexpression mitigates the cognitive and pathological phenotypes of APP/PS1 mice

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Neural Regeneration Research 2025年第1期20卷 253-264页

作者： Zhengwei Hu Jing Yang Shuo Zhang Mengjie Li Chunyan Zuo Chengyuan Mao Zhongxian Zhang Mibo Tang Changhe Shi Yuming Xu department of Neurology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenan ProvinceChina Academy of medical Sciences of Zhengzhou University ZhengzhouHenan ProvinceChina NHC Key Laboratory of Prevention and treatment of Cerebrovascular Diseases The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenan ProvinceChina Henan Key Laboratory of Cerebrovascular Diseases The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenan ProvinceChina Institute of Neuroscience Zhengzhou UniversityZhengzhouHenan ProvinceChina Sino-British Research Centre for Molecular Oncology National Centre for International Research in Cell and Gene TherapySchool of Basic Medical SciencesAcademy of Medical SciencesZhengzhou UniversityZhengzhouHenan ProvinceChina department of Gerontology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenan ProvinceChina

The E3 ubiquitin ligase,carboxyl terminus of heat shock protein 70(Hsp70)interacting protein(CHIP),also functions as a co-chaperone and plays a crucial role in the protein quality control system.In this study,we aimed to investigate the neuroprotective effect of overexpressed CHIP on Alzheimer’s disease.We used an adeno-associated virus vector that can cross the blood-brain barrier to mediate CHIP overexpression in APP/PS1 mouse brain.CHIP overexpression significantly ameliorated the performance of APP/PS1 mice in the Morris water maze and nest building tests,reduced amyloid-βplaques,and decreased the expression of both amyloid-βand phosphorylated tau.CHIP also alleviated the concentration of microglia and astrocytes around plaques.In APP/PS1 mice of a younger age,CHIP overexpression promoted an increase in ADAM10 expression and inhibitedβ-site APP cleaving enzyme 1,insulin degrading enzyme,and neprilysin expression.Levels of HSP70 and HSP40,which have functional relevance to CHIP,were also increased.Single nuclei transcriptome sequencing in the hippocampus of CHIP overexpressed mice showed that the lysosomal pathway and oligodendrocyte-related biological processes were up-regulated,which may also reflect a potential mechanism for the neuroprotective effect of CHIP.Our research shows that CHIP effectively reduces the behavior and pathological manifestations of APP/PS1 mice.Indeed,overexpression of CHIP could be a beneficial approach for the treatment of Alzheimer’s disease.

关键词： adeno-associated virus Alzheimer’s disease APP/PS1 mice carboxyl terminus of Hsp70 interacting protein gene therapy

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Environmental characteristics of anopheline mosquito larval habitats in a malaria endemic area in Iran

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Asian Pacific Journal of Tropical Medicine 2013年第7期6卷 510-515页

作者： Moussa Soleimani-Ahmadi Hassan Vatandoost Ahmad-Ali Hanafi-Bojd Mehdi Zare Reza Safari Abdolrasul Mojahedi Fatemeh Poorahmad-Garbandi Department of Medical Entomology and Vector Control.School of Public Health Hormozgan University of Medical Sciences.Bandar Abbas.Iran Infectious Diseases Research Center Hormozgan University of Medical Sciences.Bandar AbbasIran Department of Medical Entomology and Vector Control School of Public Health & National Institute of Health ResearchTehran University of Medical SciencesTehranIran department of Occupational Health Engineering School of Public HealthHormozgan University of Medical SciencesBandar AbbasIran Hormozgan Health Center Hormozgan University of Medical SciencesBandar AbbasIran

Objective:To determine the effects of environmental parameters of lanal habitats on distribution and abundance of anopheline mosquitoes in Rudan county of Iran.Methods:This cross-sectional study was conducted during the mosquito breeding season from February 2010 to October 2011. The anopheline larvae were collected using the standard dipping method,the specimens were identified using a morphological-based key.Simultaneously with larvay collection,environmental parameters of the larval habitats including water current and turbidity,sunlight situation,and substrate type of habitats were recorded.Water samples were taken from breeding sites during lanal collection.Before collection of samples,the water temperature was measured.The water samples were analysed for turbidity,conductivity,total alkalinity,total dissolved solid.pH and ions including chloride,sulphate,calcium,and magnesium.Statistical correlation analysis and ANOVA test were used to analyze the association between environmental parameters and larval mosquito abundance.Results:In total 2 973 lanae of the genus Anopheles were collected from 25 larval habitats and identified using morphological characters.They comprised of six species: An.dthali(53.21%),An.stephensi(24.22%),An.culicifacies(14.06%),An.superpictus(4.07%),An. turkhudi(3.30%),and An.apoci(1.14%).The most abundant species was An.dthali which were collected from all of the study areas.Larvae of two malaria vectors.An.dthali and An.stephensi, co-existed and collected in a wide range of habitats with different physico-chemical parameters. The most common larval habitats were man-made sites such as sand mining pools with clean and still water.The anopheline mosquitoes also preferred permanent habitats in sunlight with sandy substrates.The results indicated that there was a significant relationship between mean physicochemical parameters such as water temperature,conductivity,total alkalinity,sulphate,chloride, and mosquito distribution and abundance.Conclusions:The results of this study showed a cor

关键词： Anopheles Larval habitats Malaria Rudan Iran

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Effect of climate change on spatial distribution of scorpions of significant public health importance in Iran

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Asian Pacific Journal of Tropical Medicine 2020年第11期13卷 503-514页

作者： Javad Rafinejad Mehran Shahi Shahrokh Navidpour Elham Jahanifard Ahmad Ali Hanafi-Bojd department of medical entomology&vector control School of Public HealthTehran University of Medical SciencesTehranIran department of medical entomology&vector control School of Public HealthHormozgan University of Medical SciencesBandar AbbasIran Infectious&Tropical Diseases Research Center Hormozgan Health InstituteHormozgan University of Medical SciencesBandar AbbasIran Razi Reference Laboratory of Scorpion Research Razi Vaccine and Serum Research InstituteAgricultural Research Education and Extension Organization(AREEO)KarajIran Department of Medical Entomology and Vector Control School of Public HealthAhvaz Jundishapur University of Medical SciencesAhvazIran

Objective:To establish a spatial geo-database for scorpions in Iran,and to identify the suitable ecological niches for the most dangerous scorpion species under different climate change scenarios.Methods:The spatial distribution of six poisonous scorpion species of Iran were modeled:Hemiscorpius lepturus,Androctonus crassicauda,Mesobuthus eupeus,Hottentotta saulcyi,Hottentotta zagrosensis,and Odontobuthus(O.)doriae,under RCP2.6 and RCP8.5 climate change scenarios.The Max Ent ecological niche model was used to predict climate suitability for these scorpion species in the 2030 s and 2050 s,and the data were compared with environmental suitability under the current bioclimatic data.Results:A total of 73 species and subspecies of scorpions belonging to 19 genera in Iran were recorded.Khuzestan Province has the highest species diversity with 34 species and subspecies.The most poisonous scorpion species of Iran are scattered in the semi-arid climates,at an altitudinal range between 11 m and 2954 m above sea level.It is projected that O.doriae,Androctonus crassicauda and Mesobuthus eupeus species would be widely distributed in most parts of the country,whereas the most suitable ecological niches for the other species would be limited to the west and/or southwestern part of Iran.Conclusions:Although the environmental suitability for all the species would change under the two climate change scenarios,the change would be more significant for O.doriae under RCP8.5 in the 2050 s.These findings can be used as basis for future studies in the areas with the highest environmental suitability for the most dangerous scorpion species to fill the gaps in the ecology of scorpion species in these areas.

关键词： Scorpion Niche modeling Climate change Iran

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