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Iranian Journal of Parasitology، جلد ۹، شماره ۳، صفحات ۴۲۳-۴۲۸
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عنوان انگلیسی P-glycoprotein A Gene Expression in Glucantime-Resistant and Sensitive Leishmania major (MRHO/IR/75/ER).
چکیده انگلیسی مقاله Background: Leishmaniasis is a parasitic disease caused by different species of Leishmania parasites with a wide range of clinical manifestations . Antimonial compounds such as meglumine antimoniate (glucantime) are the first line drugs for the treatment of leishmaniasis. However, according to reports of the drug resistance of parasites, the efficacy of antimonial compounds is low. The ATP-binding cassette (ABC) proteins are present in all organisms and mediate the transport of vital elements through biological membranes. One of the important mechanisms of resistance in Leishmania parasites is the overexpression of ABC efflux pumps. P-glycoprotein A (pgpA) is a related gene for ABC transporter in Leishmania species. The aim of this study was to compare the pgpA expression in laboratory-induced resistant L. major ( MRHO/IR/75/ER ) and sensitive parasites. Methods: RNA extraction of promastigotes of sensitive and resistant clones was performed and total RNA was reverse transcribed. The real-time quantitative polymerase chain reaction (PCR) was used to assess RNA expression profiles and the expression levels were calculated using 2-ΔCt method. Results: The mean expression level of pgpA mRNA was 2.70 ± 0.51 in in sensitive Leishmania clone and 6.08 ± 1.50 in resistant Leishmania clone (P = 0.021). Conclusion: The expression of pgpA gene in resistant strains of L. major was almost fivefold higher than those in susceptible strains. Therefore, this can be used in field isolates, i.e. overexpression of the gene can prove resistance in wild type field isolates.
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نویسندگان مقاله سیمین دخت سلیمانی فرد | simindokht soleimanifard
department of parasitology and mycology, school of medicine, isfahan university of medical sciences, isfahan, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

رضا ارجمند | reza arjmand
department of parasitology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی جندی شاپور اهواز (Ahvaz jundishapur university of medical sciences)

صدیقه صابری | sedighe saberi
department of parasitology and mycology, school of medicine, isfahan university of medical sciences, isfahan, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

علی خامسی پور | ali khamesipour
center for research and training in skin diseases and leprosy, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

محمدکاظمی | mohammad kazemi
department of anatomical sciences and molecular biology, school of medicine, isfahan university of medical sciences, isfahan, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

منصور صالحی | mansoor salehi
department of anatomical sciences and molecular biology, school of medicine, isfahan university of medical sciences, isfahan, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

مجتبی اکبری | mojtaba akbari
deputy of research, school of medicine, isfahan university of medical sciences, isfahan, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

سید حسین حجازی | seyedhossein hejazi
skin disease and leishmaniasis research center, department of parasitology and mycology, school of medicine isfahan university of medical sciences, isfahan, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

نشانی اینترنتی http://ijpa.tums.ac.ir/index.php/ijpa/article/view/383
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