Teimour Hazratian - Academia.edu (original) (raw)
Papers by Teimour Hazratian
Article History: Received: 18 Aug2018 Revised: 9 Sep 2018 Accepted: 20 Sep 2018 Background: The s... more Article History: Received: 18 Aug2018 Revised: 9 Sep 2018 Accepted: 20 Sep 2018 Background: The significance of rabies is due to high mortality rate, economic damage caused by livestock loss, and high costs of treatment. Considering the economic problems in developing countries as well as the lack of resources and facilities, economic assessments will be very useful in obtaining the necessary financial information. Therefore, the present study aims to estimate the cost of prevention and control of rabies in Ahar, East Azarbaijan, during 2010-2011 and 2011-2012. Methods: This is a descriptive, cross-sectional study conducted in Ahar, East Azarbaijan. This study was carried out using available documents (Vaccine registries, Human Resources Department records, Staff daily wages) and data collection (Ministry of Health and Medical Education, Taxi Administration, Municipality Office and the Veterinary Network) to estimate the cost of prevention and control of rabies during 2010-2011 and ...
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Asian Pacific Journal of Tropical Medicine, 2017
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Microbial Pathogenesis
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Journal of Arthropod-Borne Diseases, Jan 6, 2016
Insecticide resistance is one of the serious problems for German cockroach control program. This ... more Insecticide resistance is one of the serious problems for German cockroach control program. This study was conducted to determine the bendiocarb and Carbaryl resistance mechanisms in German cockroaches using the piperonyl butoxide (PBO). Bioassay tests were conducted with 4 to 6 different concentrations of both insecticides with four replicates of 10 susceptible strain cockroaches per concentration to determine of discriminative concentration. After determining discriminative concentration, the result was compared to wild strain. The levels of susceptibility and resistance ratio (RR) and synergism ratio (SR) were calculated for each five wild strains. Moreover resistance mechanisms in wild strains were determined using PBO synergist in vivo. Hospital strains showed different levels of resistance to bendiocarb and carbaryl compared to susceptible strain. The bendiocarb and carbaryl resistance ratios ranged from 2.11 to 7.97 and 1.67 to 2 at LD50 levels, respectively. The synergist PB...
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The first morphometric and phylogenetic perspective on molecular epidemiology of Echinococcus gra... more The first morphometric and phylogenetic perspective on molecular epidemiology of Echinococcus granulosus sensu lato in stray dogs in a hyperendemic Middle East focus, northwestern Iran
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Background: Insecticide resistance is one of the serious problems for German cockroach control pr... more Background: Insecticide resistance is one of the serious problems for German cockroach control program. This study was conducted to determine the bendiocarb and Carbaryl resistance mechanisms in German cockroaches using the piperonyl butoxide (PBO). Methods: Bioassay tests were conducted with 4 to 6 different concentrations of both insecticides with four replicates of 10 susceptible strain cockroaches per concentration to determine of discriminative concentration. After determining discriminative concentration, the result was compared to wild strain. The levels of susceptibility and resistance ratio (RR) and synergism ratio (SR) were calculated for each five wild strains. Moreover resistance mechanisms in wild strains were determined using PBO synergist in vivo. Results: Hospital strains showed different levels of resistance to bendiocarb and carbaryl compared to susceptible strain. The bendiocarb and carbaryl resistance ratios ranged from 2.11 to 7.97 and 1.67 to 2 at LD 50 levels,...
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Journal of Environmental Health and Sustainable Development, 2021
Introduction: In this study, we aimed to identify the risk factors associated with the incidence ... more Introduction: In this study, we aimed to identify the risk factors associated with the incidence of A.C.L in three endemic areas of Kerman City. Moreover, the residents’ knowledge, attitudes, and practices towards A.C.L were assessed. Materials and Methods: A descriptive cross-sectional study was conducted among 195 residents of three endemic areas in Kerman City involved by A.C.L disease from January to March 2019. The risk factors for A.C.L were recorded using a checklist. Structured questionnaire was administered for data collection. Data were analyzed by ANOVA, correlation analysis, and linear regression via SPSS version 22. Results: The main risk factors for A.C.L identified in the study areas included construction waste, presence of old and dilapidated houses, poor sanitary conditions, refugee and immigration, as well as the presence of domestic animals in close physical proximity to humans. The response rate of this questionnaire was 100 %. Among the respondents, 41.5 % were ...
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Journal of entomology and zoology studies, 2015
In order to study the residues of Diazinon and Sevin insecticides in Saymareh and Konjanchem Rive... more In order to study the residues of Diazinon and Sevin insecticides in Saymareh and Konjanchem Rivers, Ilam province, Iran, the rivers water samples were collected in April 2010 to July 2011, throughout the Ilam province. Thin layer chromatography was used, since it was the best applicable method in area with reasonably high level of sensitivity up to 0-01 ppm and acceptable recovery of 80%. On 3 samples was conducted to assess two insecticide residues in various phases of the Saymareh and Konjanchem Rivers from the day after the spraying of the Diazinon and Sevin insecticides until when no trace of the insecticide was detectible in the studied Rivers of the study area. The highest level of Diazinon was detected the day after the spraying of station 3 of Saymareh River in amount of 1.97 ppm. Also the highest level of Sevin was detected the day after the spraying of station 1 of Saymareh River in amount of 2.33 ppm.
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Background: This study is an attempt to investigate the effect of nano-liposome containing vorico... more Background: This study is an attempt to investigate the effect of nano-liposome containing voriconazole on voriconazole-resistant A. flavus strains on the one hand, and to consider the expression of cyp51A and MDR1genes, regarded as important genes involved in the development of resistance to triazoles before and after voriconazole and voriconazole-loaded nano-liposomes exert their effects, on the other hand.Methods: Strains of A. flavus isolated from patients were investigated and their susceptibility to voriconazole was determined. Next, having applied a slight modification to the thin film hydration-sonication technique, the liposomal formulation of voriconazole was produced. After that, the voriconazole-loaded nano-liposome was subjected to in-vitro antifungal susceptibility testing to obtain minimum inhibitory concentration against fungal isolates. Cyp51A and MDR1 mRNA levels were amplified by qRT-PCR instrument.Results: The effect of nano-liposome containing voriconazole on th...
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Background: Research and research skills of faculty members are essential for the development of ... more Background: Research and research skills of faculty members are essential for the development of higher education and sustainable development. Therefore, this study was conducted to develop needs assessment of faculty members in research at the Tabriz University of Medical Sciences. Methods: This cross-sectional study was conducted in 2018. Of 848 faculty members at the Tabriz University of Medical Sciences, 262 members participated in the study, determined based on Morgan’s table. A researcher-created questionnaire with 5-point Likert-type closed-ended questions was used for collecting data. Validity and reliability were determined with content and construct validity and Cronbach’s alpha, respectively. Data were analyzed with Pearson’s chi-square and one-way ANOVA using SPSS 22. Results: Factor analysis showed that the educational needs of the faculty members in research at the Tabriz University of Medical Sciences can be classified into eight topics that were not different in term...
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Investigating the relationship between emotional intelligence and academic performance of graduat... more Investigating the relationship between emotional intelligence and academic performance of graduate students of tabriz university of medical sciences Asadullah Khadive, Rahele Madadi, Teimour Hazratian هديكچ :هنيمز هتخادرپ یلیصحت درکلمع و یناجیه شوه یسررب هب یددعتم تاعلاطم نوماریپ اما .دنا درکلمع و یناجیه شوه نیب هطبار یسررب .دراد دوجو یتاقیقحت فاکش یلیمکت تلایصحت نایوجشناد یلیصحت :فده یسررب رضاح شهوژپ فده و یناجیه شوه نیب هطبار .دوب زیربت یکشزپ مولع هاگشناد یکشزپ هدکشناد یلیمکت تلایصحت نایوجشناد یلیصحت درکلمع :شور شهوژپ یفیصوت رضاح عون زا .دوب یگتسبمه هب زیربت یکشزپ هدکشناد یلیمکت تلایصحت نایوجشناد هیلک یرامآ هعماج دادعت 911 لاس رد رفن 0990 .دندوب 090 زا رفن ( نایوجشناد 009 و دشرا یسانشراک یوجشناد رفن 02 هنومن شور اب )یرتکد یوجشناد رفن هقبط یریگ باختنا هنومن ناونع هب یتبسن یا یاهرازبا .دندش ( گنیرش یناجیه شوه درادناتسا همانشسرپ شهوژپ 0991 هداد لیلحت .دوب یلیصحت درکلمع ناونعب لدعم و ) اه زا هدافتسا اب .دش ماجنا هناگدنچ نویسرگر لیلحت هتفاي :اه هناگدنچ یگتسبمه رادقم هفلؤم و یناجیه شوه ...
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Iranian Journal of Parasitology, 2017
Background: We employed a highly sensitive loop-mediated isothermal amplification (LAMP) by targe... more Background: We employed a highly sensitive loop-mediated isothermal amplification (LAMP) by targeting 18S rRNA gene to identify the rapid mass screening of Leishmania infections in captured sand flies of southwest Iran and In vitro culture. Methods: One hundred fifty sand flies were collected from 11 sites adjacent to Iraqi’s borders in southern parts of Khuzestan Province by using sticky sheets of paper and CDC miniature light traps during late May 2014 to Nov 2015. Following morphological identification of sand flies species, the DNA of infected samples was extracted and amplified by PCR and LAMP assays by targeting ITS-rDNA and 18S rRNA genes. The PCR amplicons were directly sequenced to conduct the phylogenetic analysis Results: Ten (6.6%) Leishmania infections were identified by LAMP assay (detection limit 0.01 parasites DNA) among infected Sergentomyia baghdadis, S. sintoni and Phlebotomus papatasi sand flies that was more sensitive than PCR (n=6.4%; (detection limit 101 paras...
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Parasitology Research, 2020
Pediculosis by Pediculus humanus capitis is still an important health issue in school-age student... more Pediculosis by Pediculus humanus capitis is still an important health issue in school-age students worldwide. Although pediculicidal agents effectively kill head lice, the re-infestation rate is still high. This study was conducted to provide a summary of evidence about the prevalence of pediculosis capitis among school-age students worldwide. Different databases including MEDLINE/PubMed, Scopus, and Web of Science were searched for publications related to pediculosis capitis in school-age students from 1977 to 2020. All peer-reviewed original research articles describing pediculosis capitis among school-age students were included. Statistical heterogeneity of the different years among studies was assessed using the standard chi squared and I2 tests. Due to the significant heterogeneity, a random effect model was adopted to estimate the pooled, continent, and gender-specific prevalence of pediculosis. Two hundred and one papers met the inclusion criteria of this review and entered into the meta-analysis including 1,218,351 individuals. Through a random effect model, the prevalence of pediculosis capitis among school students was estimated as 19% (CI 95% = 0.18–0.20%, I2 = 99.89%). The prevalence of pediculosis capitis among boys was 7% (CI 95% = 0.05–0.10) compared to 19% (CI 95% = 0.15–0.24) in girls. The highest prevalence was in Central and South America (33%, CI 95% = 0.22–0.44, I2 = 99.81%) and the lowest was in Europe (5%, CI 95% = 4–6, I2 = 99.28%). Relatively high pediculosis capitis prevalence among school-age students observed in this study emphasizes the need for implementing screening and prophylaxis tailored to the local context.
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Journal of Arthropod-Borne Diseases, 2020
Background: Culiseta longiareolata is an important vector for many human diseases such as bruce... more Background: Culiseta longiareolata is an important vector for many human diseases such as brucellosis, avian influen-za and West Nile encephalitis. It is likely an intermediate host of avian Plasmodium that can transmit Malta fever. The aim of this study was to determine the susceptibility level of Cs. longiareolata to different classes of imagicides which are recommended by World Health Organization . Methods: Larval stages of the Cs. longiareolata were collected from their natural habitats in Marand County at East Azerbaijan Province, northwestern of Iran in 2017. Adult susceptibility test were carried out with using impregnated papers to insecticides including DDT 4%, Cyfluthrin 0.15%, Deltamethrin 0.05%, Propoxur 0.1% and Fenitrothion 1% by standard test kits. Results: Results showed that Cs. longiareolata adult is more susceptible to pyrethroid and carbamate insecticides. Among tested insecticides, Cyfluthrin was the most toxic against Cs. longiareolata with LT50 value of 11....
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Journal of Arthropod-Borne Diseases, 2019
Background: The abundance, diversity, distribution and ecology of mosquitoes (Diptera: Culicidae)... more Background: The abundance, diversity, distribution and ecology of mosquitoes (Diptera: Culicidae), especially arbovirus vectors are important indices for arthropod-borne diseases control. Methods: Larvae and adult mosquitoes were collected using the standard methods from different habitats in nine localities of three counties in the East Azerbaijan Province, Northwestern Iran during June to October 2017. In addition, species richness (R), Simpson’s diversity index (D), Shannon–Wiener index (H̕) and evenness (E) as measures of diversity, were calculated. Results: Overall, 1401 mosquito specimens including 1015 adults and 386 larvae were collected in the study area. The properties of geographical larval habitats were recorded. Four genera along with 10 species were collected and identified, including Anopheles hyrcanus, An. maculipennis s.l., An. superpictus s.l., Aedes caspius, Ae. vexans, Culex pipiens, Cx. theileri, Cx. perexiguus, Culiseta longiareolata and Cs. subochrea. Among...
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Asian Pacific Journal of Tropical Medicine, 2019
Objective: To evaluate the susceptibility of Anopheles stephensi (An. stephensi) Liston, the main... more Objective: To evaluate the susceptibility of Anopheles stephensi (An. stephensi) Liston, the main malaria vector in southern Iran, to WHO recommended insecticides. Methods: Larvae of An. stephensi were collected from three different larval habitats in both urban and rural area of Bandar Abbas city and one rural area in Rudan county southern Iran. WHO standard method was used for evaluation of adult and larval mosquito susceptibility. Bendiocarb, permethrin, lambda-cyhalothrin, deltamethrin as insecticide and temephos and chlorpyriphos as larvicide were used at the diagnostic dosages recommended by WHO. Results: Findings of this study showed all larval populations of An. stephensi were completely susceptible to temephos and candidate for resistance to chlorpyriphos. Adult mosquitoes in rural areas of Bandar Abbas city were resistant to pyrethroid and carbamate insecticides. Conclusion: Comparison of the results of this survey with previous studies indicates that the resistance to pyrethroids and carbamates in this malaria endemic region is increasing. Wide use of pesticides in agriculture is certainly effective in increasing resistance. The inter-sectoral coordination and collaboration in health and agriculture seem to be necessary to manage insecticide resistance in malaria vectors.
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Journal of arthropod-borne diseases, 2017
Myiasis is caused by the larvae of flies infesting animal or human tissues and organs. This repor... more Myiasis is caused by the larvae of flies infesting animal or human tissues and organs. This report aims to present a case of pharyngeal myiasis caused by the larvae of (Diptera: Oestridae). A 55-yr old drug addict living in the Shahindeje village of Western Azerbaijan Province, northwestern Iran was referred to the Emam Reza Hospital in Tabriz, having a medical history of Chronic Obstructive Pulmonary Disease (COPD) and hospitalized due to respiratory distress, 20 days ago. He was intubated with a mechanical ventilator (MV) because of his respiratory distress condition. There was an evidence of the presence of pulmonary nodules in his lungs following diagnosis, and a CT scan revealed a cavity in his lung. During the nasogastric intubation procedure, a larva was seen emerging from the patient's mouth by one of the staff of the intensive care unit of the hospital. A laboratory diagnosis was performed in the Entomology Department of the School of Medicine, Tabriz University of Medi...
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Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases, Jan 19, 2018
The rising use of sulfadoxine/pyrimethamine (SP) in the treatment of chloroquine (CQ)-resistant P... more The rising use of sulfadoxine/pyrimethamine (SP) in the treatment of chloroquine (CQ)-resistant Plasmodium falciparum has resulted in increased exposure to P. vivax isolates in Iran, where both species are being circulated. In this investigation, the frequency of pvdhfr and pvmdr-1 mutants was assessed in P. vivax strains during 2001-2016 after the introduction of SP/CQ in malarious areas of Iran. The P. vivax isolates (n, 52) were obtained from autochthonous samples in Southeast Iran during 2015-2016. The genomic DNA was extracted and examined using nested polymerase chain reaction-(PCR) and sequencing. Mutations were detected in pvdhfr codons P33L (21.2%), T61 M (25%), S93H (3.9%), and S117 T (1.9%) and 5 isolates showed double mutations (33 L/61 M, 7.7%; 33 L/117 T, 1.9%). No mutation was identified in pvdhfr codons F57 and S58. The pvmdr-1 1076 L mutation was detected in 93.3% of P. vivax isolates. The findings indicated that the frequency of three codons of pvdhfr F57/S58/S117 ...
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Iranian journal of parasitology
We employed a highly sensitive loop-mediated isothermal amplification (LAMP) by targeting 18S rRN... more We employed a highly sensitive loop-mediated isothermal amplification (LAMP) by targeting 18S rRNA gene to identify the rapid mass screening of infections in captured sand flies of southwest Iran and In vitro culture. One hundred fifty sand flies were collected from 11 sites adjacent to Iraqi's borders in southern parts of Khuzestan Province by using sticky sheets of paper and CDC miniature light traps during late May 2014 to Nov 2015. Following morphological identification of sand flies species, the DNA of infected samples was extracted and amplified by PCR and LAMP assays by targeting ITS-rDNA and 18S rRNA genes. The PCR amplicons were directly sequenced to conduct the phylogenetic analysis. Ten (6.6%) infections were identified by LAMP assay (detection limit 0.01 parasites DNA) among infected , and sand flies that was more sensitive than PCR (n=6.4%; (detection limit 10 parasites DNA). LAMP can identify 10-10 promastigotes/100 μl RPMI 1640 while PCR recognized 10-10 promastig...
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Article History: Received: 18 Aug2018 Revised: 9 Sep 2018 Accepted: 20 Sep 2018 Background: The s... more Article History: Received: 18 Aug2018 Revised: 9 Sep 2018 Accepted: 20 Sep 2018 Background: The significance of rabies is due to high mortality rate, economic damage caused by livestock loss, and high costs of treatment. Considering the economic problems in developing countries as well as the lack of resources and facilities, economic assessments will be very useful in obtaining the necessary financial information. Therefore, the present study aims to estimate the cost of prevention and control of rabies in Ahar, East Azarbaijan, during 2010-2011 and 2011-2012. Methods: This is a descriptive, cross-sectional study conducted in Ahar, East Azarbaijan. This study was carried out using available documents (Vaccine registries, Human Resources Department records, Staff daily wages) and data collection (Ministry of Health and Medical Education, Taxi Administration, Municipality Office and the Veterinary Network) to estimate the cost of prevention and control of rabies during 2010-2011 and ...
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Asian Pacific Journal of Tropical Medicine, 2017
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Microbial Pathogenesis
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Journal of Arthropod-Borne Diseases, Jan 6, 2016
Insecticide resistance is one of the serious problems for German cockroach control program. This ... more Insecticide resistance is one of the serious problems for German cockroach control program. This study was conducted to determine the bendiocarb and Carbaryl resistance mechanisms in German cockroaches using the piperonyl butoxide (PBO). Bioassay tests were conducted with 4 to 6 different concentrations of both insecticides with four replicates of 10 susceptible strain cockroaches per concentration to determine of discriminative concentration. After determining discriminative concentration, the result was compared to wild strain. The levels of susceptibility and resistance ratio (RR) and synergism ratio (SR) were calculated for each five wild strains. Moreover resistance mechanisms in wild strains were determined using PBO synergist in vivo. Hospital strains showed different levels of resistance to bendiocarb and carbaryl compared to susceptible strain. The bendiocarb and carbaryl resistance ratios ranged from 2.11 to 7.97 and 1.67 to 2 at LD50 levels, respectively. The synergist PB...
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The first morphometric and phylogenetic perspective on molecular epidemiology of Echinococcus gra... more The first morphometric and phylogenetic perspective on molecular epidemiology of Echinococcus granulosus sensu lato in stray dogs in a hyperendemic Middle East focus, northwestern Iran
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Background: Insecticide resistance is one of the serious problems for German cockroach control pr... more Background: Insecticide resistance is one of the serious problems for German cockroach control program. This study was conducted to determine the bendiocarb and Carbaryl resistance mechanisms in German cockroaches using the piperonyl butoxide (PBO). Methods: Bioassay tests were conducted with 4 to 6 different concentrations of both insecticides with four replicates of 10 susceptible strain cockroaches per concentration to determine of discriminative concentration. After determining discriminative concentration, the result was compared to wild strain. The levels of susceptibility and resistance ratio (RR) and synergism ratio (SR) were calculated for each five wild strains. Moreover resistance mechanisms in wild strains were determined using PBO synergist in vivo. Results: Hospital strains showed different levels of resistance to bendiocarb and carbaryl compared to susceptible strain. The bendiocarb and carbaryl resistance ratios ranged from 2.11 to 7.97 and 1.67 to 2 at LD 50 levels,...
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Journal of Environmental Health and Sustainable Development, 2021
Introduction: In this study, we aimed to identify the risk factors associated with the incidence ... more Introduction: In this study, we aimed to identify the risk factors associated with the incidence of A.C.L in three endemic areas of Kerman City. Moreover, the residents’ knowledge, attitudes, and practices towards A.C.L were assessed. Materials and Methods: A descriptive cross-sectional study was conducted among 195 residents of three endemic areas in Kerman City involved by A.C.L disease from January to March 2019. The risk factors for A.C.L were recorded using a checklist. Structured questionnaire was administered for data collection. Data were analyzed by ANOVA, correlation analysis, and linear regression via SPSS version 22. Results: The main risk factors for A.C.L identified in the study areas included construction waste, presence of old and dilapidated houses, poor sanitary conditions, refugee and immigration, as well as the presence of domestic animals in close physical proximity to humans. The response rate of this questionnaire was 100 %. Among the respondents, 41.5 % were ...
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Journal of entomology and zoology studies, 2015
In order to study the residues of Diazinon and Sevin insecticides in Saymareh and Konjanchem Rive... more In order to study the residues of Diazinon and Sevin insecticides in Saymareh and Konjanchem Rivers, Ilam province, Iran, the rivers water samples were collected in April 2010 to July 2011, throughout the Ilam province. Thin layer chromatography was used, since it was the best applicable method in area with reasonably high level of sensitivity up to 0-01 ppm and acceptable recovery of 80%. On 3 samples was conducted to assess two insecticide residues in various phases of the Saymareh and Konjanchem Rivers from the day after the spraying of the Diazinon and Sevin insecticides until when no trace of the insecticide was detectible in the studied Rivers of the study area. The highest level of Diazinon was detected the day after the spraying of station 3 of Saymareh River in amount of 1.97 ppm. Also the highest level of Sevin was detected the day after the spraying of station 1 of Saymareh River in amount of 2.33 ppm.
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Background: This study is an attempt to investigate the effect of nano-liposome containing vorico... more Background: This study is an attempt to investigate the effect of nano-liposome containing voriconazole on voriconazole-resistant A. flavus strains on the one hand, and to consider the expression of cyp51A and MDR1genes, regarded as important genes involved in the development of resistance to triazoles before and after voriconazole and voriconazole-loaded nano-liposomes exert their effects, on the other hand.Methods: Strains of A. flavus isolated from patients were investigated and their susceptibility to voriconazole was determined. Next, having applied a slight modification to the thin film hydration-sonication technique, the liposomal formulation of voriconazole was produced. After that, the voriconazole-loaded nano-liposome was subjected to in-vitro antifungal susceptibility testing to obtain minimum inhibitory concentration against fungal isolates. Cyp51A and MDR1 mRNA levels were amplified by qRT-PCR instrument.Results: The effect of nano-liposome containing voriconazole on th...
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Background: Research and research skills of faculty members are essential for the development of ... more Background: Research and research skills of faculty members are essential for the development of higher education and sustainable development. Therefore, this study was conducted to develop needs assessment of faculty members in research at the Tabriz University of Medical Sciences. Methods: This cross-sectional study was conducted in 2018. Of 848 faculty members at the Tabriz University of Medical Sciences, 262 members participated in the study, determined based on Morgan’s table. A researcher-created questionnaire with 5-point Likert-type closed-ended questions was used for collecting data. Validity and reliability were determined with content and construct validity and Cronbach’s alpha, respectively. Data were analyzed with Pearson’s chi-square and one-way ANOVA using SPSS 22. Results: Factor analysis showed that the educational needs of the faculty members in research at the Tabriz University of Medical Sciences can be classified into eight topics that were not different in term...
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Investigating the relationship between emotional intelligence and academic performance of graduat... more Investigating the relationship between emotional intelligence and academic performance of graduate students of tabriz university of medical sciences Asadullah Khadive, Rahele Madadi, Teimour Hazratian هديكچ :هنيمز هتخادرپ یلیصحت درکلمع و یناجیه شوه یسررب هب یددعتم تاعلاطم نوماریپ اما .دنا درکلمع و یناجیه شوه نیب هطبار یسررب .دراد دوجو یتاقیقحت فاکش یلیمکت تلایصحت نایوجشناد یلیصحت :فده یسررب رضاح شهوژپ فده و یناجیه شوه نیب هطبار .دوب زیربت یکشزپ مولع هاگشناد یکشزپ هدکشناد یلیمکت تلایصحت نایوجشناد یلیصحت درکلمع :شور شهوژپ یفیصوت رضاح عون زا .دوب یگتسبمه هب زیربت یکشزپ هدکشناد یلیمکت تلایصحت نایوجشناد هیلک یرامآ هعماج دادعت 911 لاس رد رفن 0990 .دندوب 090 زا رفن ( نایوجشناد 009 و دشرا یسانشراک یوجشناد رفن 02 هنومن شور اب )یرتکد یوجشناد رفن هقبط یریگ باختنا هنومن ناونع هب یتبسن یا یاهرازبا .دندش ( گنیرش یناجیه شوه درادناتسا همانشسرپ شهوژپ 0991 هداد لیلحت .دوب یلیصحت درکلمع ناونعب لدعم و ) اه زا هدافتسا اب .دش ماجنا هناگدنچ نویسرگر لیلحت هتفاي :اه هناگدنچ یگتسبمه رادقم هفلؤم و یناجیه شوه ...
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Iranian Journal of Parasitology, 2017
Background: We employed a highly sensitive loop-mediated isothermal amplification (LAMP) by targe... more Background: We employed a highly sensitive loop-mediated isothermal amplification (LAMP) by targeting 18S rRNA gene to identify the rapid mass screening of Leishmania infections in captured sand flies of southwest Iran and In vitro culture. Methods: One hundred fifty sand flies were collected from 11 sites adjacent to Iraqi’s borders in southern parts of Khuzestan Province by using sticky sheets of paper and CDC miniature light traps during late May 2014 to Nov 2015. Following morphological identification of sand flies species, the DNA of infected samples was extracted and amplified by PCR and LAMP assays by targeting ITS-rDNA and 18S rRNA genes. The PCR amplicons were directly sequenced to conduct the phylogenetic analysis Results: Ten (6.6%) Leishmania infections were identified by LAMP assay (detection limit 0.01 parasites DNA) among infected Sergentomyia baghdadis, S. sintoni and Phlebotomus papatasi sand flies that was more sensitive than PCR (n=6.4%; (detection limit 101 paras...
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Parasitology Research, 2020
Pediculosis by Pediculus humanus capitis is still an important health issue in school-age student... more Pediculosis by Pediculus humanus capitis is still an important health issue in school-age students worldwide. Although pediculicidal agents effectively kill head lice, the re-infestation rate is still high. This study was conducted to provide a summary of evidence about the prevalence of pediculosis capitis among school-age students worldwide. Different databases including MEDLINE/PubMed, Scopus, and Web of Science were searched for publications related to pediculosis capitis in school-age students from 1977 to 2020. All peer-reviewed original research articles describing pediculosis capitis among school-age students were included. Statistical heterogeneity of the different years among studies was assessed using the standard chi squared and I2 tests. Due to the significant heterogeneity, a random effect model was adopted to estimate the pooled, continent, and gender-specific prevalence of pediculosis. Two hundred and one papers met the inclusion criteria of this review and entered into the meta-analysis including 1,218,351 individuals. Through a random effect model, the prevalence of pediculosis capitis among school students was estimated as 19% (CI 95% = 0.18–0.20%, I2 = 99.89%). The prevalence of pediculosis capitis among boys was 7% (CI 95% = 0.05–0.10) compared to 19% (CI 95% = 0.15–0.24) in girls. The highest prevalence was in Central and South America (33%, CI 95% = 0.22–0.44, I2 = 99.81%) and the lowest was in Europe (5%, CI 95% = 4–6, I2 = 99.28%). Relatively high pediculosis capitis prevalence among school-age students observed in this study emphasizes the need for implementing screening and prophylaxis tailored to the local context.
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Journal of Arthropod-Borne Diseases, 2020
Background: Culiseta longiareolata is an important vector for many human diseases such as bruce... more Background: Culiseta longiareolata is an important vector for many human diseases such as brucellosis, avian influen-za and West Nile encephalitis. It is likely an intermediate host of avian Plasmodium that can transmit Malta fever. The aim of this study was to determine the susceptibility level of Cs. longiareolata to different classes of imagicides which are recommended by World Health Organization . Methods: Larval stages of the Cs. longiareolata were collected from their natural habitats in Marand County at East Azerbaijan Province, northwestern of Iran in 2017. Adult susceptibility test were carried out with using impregnated papers to insecticides including DDT 4%, Cyfluthrin 0.15%, Deltamethrin 0.05%, Propoxur 0.1% and Fenitrothion 1% by standard test kits. Results: Results showed that Cs. longiareolata adult is more susceptible to pyrethroid and carbamate insecticides. Among tested insecticides, Cyfluthrin was the most toxic against Cs. longiareolata with LT50 value of 11....
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Journal of Arthropod-Borne Diseases, 2019
Background: The abundance, diversity, distribution and ecology of mosquitoes (Diptera: Culicidae)... more Background: The abundance, diversity, distribution and ecology of mosquitoes (Diptera: Culicidae), especially arbovirus vectors are important indices for arthropod-borne diseases control. Methods: Larvae and adult mosquitoes were collected using the standard methods from different habitats in nine localities of three counties in the East Azerbaijan Province, Northwestern Iran during June to October 2017. In addition, species richness (R), Simpson’s diversity index (D), Shannon–Wiener index (H̕) and evenness (E) as measures of diversity, were calculated. Results: Overall, 1401 mosquito specimens including 1015 adults and 386 larvae were collected in the study area. The properties of geographical larval habitats were recorded. Four genera along with 10 species were collected and identified, including Anopheles hyrcanus, An. maculipennis s.l., An. superpictus s.l., Aedes caspius, Ae. vexans, Culex pipiens, Cx. theileri, Cx. perexiguus, Culiseta longiareolata and Cs. subochrea. Among...
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Asian Pacific Journal of Tropical Medicine, 2019
Objective: To evaluate the susceptibility of Anopheles stephensi (An. stephensi) Liston, the main... more Objective: To evaluate the susceptibility of Anopheles stephensi (An. stephensi) Liston, the main malaria vector in southern Iran, to WHO recommended insecticides. Methods: Larvae of An. stephensi were collected from three different larval habitats in both urban and rural area of Bandar Abbas city and one rural area in Rudan county southern Iran. WHO standard method was used for evaluation of adult and larval mosquito susceptibility. Bendiocarb, permethrin, lambda-cyhalothrin, deltamethrin as insecticide and temephos and chlorpyriphos as larvicide were used at the diagnostic dosages recommended by WHO. Results: Findings of this study showed all larval populations of An. stephensi were completely susceptible to temephos and candidate for resistance to chlorpyriphos. Adult mosquitoes in rural areas of Bandar Abbas city were resistant to pyrethroid and carbamate insecticides. Conclusion: Comparison of the results of this survey with previous studies indicates that the resistance to pyrethroids and carbamates in this malaria endemic region is increasing. Wide use of pesticides in agriculture is certainly effective in increasing resistance. The inter-sectoral coordination and collaboration in health and agriculture seem to be necessary to manage insecticide resistance in malaria vectors.
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Journal of arthropod-borne diseases, 2017
Myiasis is caused by the larvae of flies infesting animal or human tissues and organs. This repor... more Myiasis is caused by the larvae of flies infesting animal or human tissues and organs. This report aims to present a case of pharyngeal myiasis caused by the larvae of (Diptera: Oestridae). A 55-yr old drug addict living in the Shahindeje village of Western Azerbaijan Province, northwestern Iran was referred to the Emam Reza Hospital in Tabriz, having a medical history of Chronic Obstructive Pulmonary Disease (COPD) and hospitalized due to respiratory distress, 20 days ago. He was intubated with a mechanical ventilator (MV) because of his respiratory distress condition. There was an evidence of the presence of pulmonary nodules in his lungs following diagnosis, and a CT scan revealed a cavity in his lung. During the nasogastric intubation procedure, a larva was seen emerging from the patient's mouth by one of the staff of the intensive care unit of the hospital. A laboratory diagnosis was performed in the Entomology Department of the School of Medicine, Tabriz University of Medi...
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Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases, Jan 19, 2018
The rising use of sulfadoxine/pyrimethamine (SP) in the treatment of chloroquine (CQ)-resistant P... more The rising use of sulfadoxine/pyrimethamine (SP) in the treatment of chloroquine (CQ)-resistant Plasmodium falciparum has resulted in increased exposure to P. vivax isolates in Iran, where both species are being circulated. In this investigation, the frequency of pvdhfr and pvmdr-1 mutants was assessed in P. vivax strains during 2001-2016 after the introduction of SP/CQ in malarious areas of Iran. The P. vivax isolates (n, 52) were obtained from autochthonous samples in Southeast Iran during 2015-2016. The genomic DNA was extracted and examined using nested polymerase chain reaction-(PCR) and sequencing. Mutations were detected in pvdhfr codons P33L (21.2%), T61 M (25%), S93H (3.9%), and S117 T (1.9%) and 5 isolates showed double mutations (33 L/61 M, 7.7%; 33 L/117 T, 1.9%). No mutation was identified in pvdhfr codons F57 and S58. The pvmdr-1 1076 L mutation was detected in 93.3% of P. vivax isolates. The findings indicated that the frequency of three codons of pvdhfr F57/S58/S117 ...
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Iranian journal of parasitology
We employed a highly sensitive loop-mediated isothermal amplification (LAMP) by targeting 18S rRN... more We employed a highly sensitive loop-mediated isothermal amplification (LAMP) by targeting 18S rRNA gene to identify the rapid mass screening of infections in captured sand flies of southwest Iran and In vitro culture. One hundred fifty sand flies were collected from 11 sites adjacent to Iraqi's borders in southern parts of Khuzestan Province by using sticky sheets of paper and CDC miniature light traps during late May 2014 to Nov 2015. Following morphological identification of sand flies species, the DNA of infected samples was extracted and amplified by PCR and LAMP assays by targeting ITS-rDNA and 18S rRNA genes. The PCR amplicons were directly sequenced to conduct the phylogenetic analysis. Ten (6.6%) infections were identified by LAMP assay (detection limit 0.01 parasites DNA) among infected , and sand flies that was more sensitive than PCR (n=6.4%; (detection limit 10 parasites DNA). LAMP can identify 10-10 promastigotes/100 μl RPMI 1640 while PCR recognized 10-10 promastig...
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