Nader Pestechian
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View article: Molecular Identification of <i>Toxoplasma gondii</i> in Domesticate and Industrial Chickens in Isfahan Region, Iran, 2022
Molecular Identification of <i>Toxoplasma gondii</i> in Domesticate and Industrial Chickens in Isfahan Region, Iran, 2022 Open
Toxoplasma gondii ( T. gondii ) is a pathogenic and zoonotic parasite, with warm blooded animals being considered as its hosts. Humans, especially immune defective subjects, may show serious symptoms of toxoplasmosis, while in poultry it c…
View article: Molecular and microscopy detection of Pneumocystis jirovecii in hospitalized patients during the COVID-19 pandemic
Molecular and microscopy detection of Pneumocystis jirovecii in hospitalized patients during the COVID-19 pandemic Open
Introduction Early detection of Pneumocystis jirovecii as an opportunistic pathogen that may endanger predisposed persons, including COVID-19 patients, may help to choose the optimal management. Methods In this study, 585, including 530 CO…
View article: Automated Camera Lucida Method with Colored Images through Integration of Hardware and Software in Microscopic Zooming
Automated Camera Lucida Method with Colored Images through Integration of Hardware and Software in Microscopic Zooming Open
Automating the camera Lucida method which is a standard way for focusing microscopic images is a very challenging study for many scientists. Hence, actually combining hardware and software to automate microscopic imaging systems is one of …
View article: Identification and Subtyping of Cryptosporidium parvum and Cryptosporidium hominis in Cancer Patients, Isfahan Province, Central Iran
Identification and Subtyping of Cryptosporidium parvum and Cryptosporidium hominis in Cancer Patients, Isfahan Province, Central Iran Open
Background: Cryptosporidium spp. are protozoan parasites that cause diarrhea in humans and animals. Subtyping data about Cryptosporidium spp. in Isfahan, Iran is limited; therefore, we aimed to study the prevalence rate of Cryptosporidium …
View article: Molecular and Microscopic Investigation of Sarcocystis Species Isolated from Sheep Muscles in Iran
Molecular and Microscopic Investigation of Sarcocystis Species Isolated from Sheep Muscles in Iran Open
Sarcocystis species is a genus of cyst-forming parasites infecting both humans and animals globally. Some of these species cause clinical and subclinical diseases in the host and may lead to economic losses. This study was carried out to i…
View article: Genotypes Identification of echinococcus granulosus isolated from iranian dogs and camels using three polymerase Chain reaction-based methods of cox1 gene
Genotypes Identification of echinococcus granulosus isolated from iranian dogs and camels using three polymerase Chain reaction-based methods of cox1 gene Open
Aims: Hydatidosis is an important zoonotic disease that is caused by a tiny tapeworm, namely Echinococcus granulosus. In this study, three polymerase chain reaction (PCR)-based methods, including, high resolution melting (HRM) analysis, DN…
View article: Prevalence of Intestinal Protozoan Infection in Patients with Ulcerative Colitis (UC) in Isfahan, Iran
Prevalence of Intestinal Protozoan Infection in Patients with Ulcerative Colitis (UC) in Isfahan, Iran Open
Background: Determination of the prevalence of intestinal protozoan infection is a fundamental step to set up an effective control program to improve the health status of society and to establish efficient strategies. Intestinal pathogen a…
View article: Vaccine Design Based on Live Attenuated Cells of Toxoplasma gondii: A Review
Vaccine Design Based on Live Attenuated Cells of Toxoplasma gondii: A Review Open
Toxoplasma gondii (T. gondii) is a well-known, commonly found pathogen by high proliferative activity in nucleated cells. This parasite has infected nearly one-third of the world’s population. Infection can result in chorioretinitis in imm…
View article: Synthesis and In vitro Leishmanicidal Activities of Six Quercetin Derivatives
Synthesis and In vitro Leishmanicidal Activities of Six Quercetin Derivatives Open
Background: Today, leishmaniasis is a widespread, infectious parasitic disease caused by Leishmania spp. Natural-derived compounds are likely to provide a valuable source of new pharmaceuticals, and among them, quercetin derivatives may ha…
View article: Molecular and genotyping identification of Echinococcus granulosus from camel and dog isolates in Isfahan, Iran (2015-2016)
Molecular and genotyping identification of Echinococcus granulosus from camel and dog isolates in Isfahan, Iran (2015-2016) Open
Background: Hydatidosis is one of the most important zoonotic parasitic disease worldwide caused by Echinococcus granulosus. Given the importance of parasite genotyping in disease control, this study was aimed to evaluate the genetic varia…
View article: First report of Tasmanian sheep strain (G2) genotype isolated from Iranian goat using the high resolution melting (HRM) analysis.
First report of Tasmanian sheep strain (G2) genotype isolated from Iranian goat using the high resolution melting (HRM) analysis. Open
G1 is the predominant genotype in the isolated goat samples in Isfahan province, and the presence of G2 strain was reported for the first time in goat in Iran.
View article: Evaluation of the Antimalarial Effect of <i>Ferulago angulata</i> (Schlecht.) Boiss. Extract and Suberosin Epoxide Against <i>Plasmodium berghei</i> in Comparison with Chloroquine Using <i>in-vivo</i> Test.
Evaluation of the Antimalarial Effect of <i>Ferulago angulata</i> (Schlecht.) Boiss. Extract and Suberosin Epoxide Against <i>Plasmodium berghei</i> in Comparison with Chloroquine Using <i>in-vivo</i> Test. Open
Resistance to most antimalarial drugs has encouraged the development of novel drugs. An alternative source for discovering such drugs is natural products. Some Ferulago species are used in folk medicine for their sedative, tonic and…
View article: Manipulation of IL-10 gene expression by Toxoplasma gondii and its products.
Manipulation of IL-10 gene expression by Toxoplasma gondii and its products. Open
T. gondii and its derivatives are able to increase (the active T. gondii tachyzoite and the ESP from cell culture medium) and decrease (the TLP) the gene expression level of IL-10 in a murine model. The question remains to be examined in f…
View article: The gene expression level of IFN-γR1 and IFN-γR2 in a murine model treated with Toxoplasma gondii and its products.
The gene expression level of IFN-γR1 and IFN-γR2 in a murine model treated with Toxoplasma gondii and its products. Open
Findings of this study revealed a new aspect of host-T. gondii interaction in that this parasite is able to downregulate IFN-γR1 to reduce the IFN-γ effects on the infected cell.
View article: The first report of Morishitium vagum (Trematoda: Cyclocoelidae) in Turdus merula in Iran
The first report of Morishitium vagum (Trematoda: Cyclocoelidae) in Turdus merula in Iran Open
This paper describes a trematode isolated from the air sacs of a common blackbird (Turdus merula) by the authors in Qaemshahr city, Mazandaran province, north of Iran. The specimens were in the best form to make whole-mounts for species id…
View article: Effect of two hydatid cyst antigens on the growth of melanoma cancer in C57/black mice
Effect of two hydatid cyst antigens on the growth of melanoma cancer in C57/black mice Open