Publications by authors named "Mohammad Hasan Kohansal"

Article Synopsis
  • - Trichomoniasis is a common parasitic disease impacting sexual and urinary health, and this study focused on its prevalence among women in Tabriz, Iran.
  • - The research involved 448 women suspected of having the infection, and testing was done using vaginal swabs with methods like Papanicolauo staining and PCR.
  • - Results showed a low prevalence, with only 4 confirmed cases (0.89%) out of the 48 suspected ones, indicating the effectiveness of PCR for diagnosis and no significant correlations found with demographic factors like age or contraception methods.
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Introduction: Toxoplasma gondii is an obligate intracellular parasite affecting a broad range of warm-blooded animals, including humans. Infection acquired during pregnancy can be transmitted to the fetus and leading to serious problems such as spontaneous abortion, stillbirth, or severe mental and/or physical handicaps in the child. The purpose of this study was to investigate the seroprevalence of Toxoplasma infection and related risk factors in pregnant woman.

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Article Synopsis
  • Cutaneous leishmaniasis (CL) is a significant health issue in Bam County, Iran, which is heavily affected by environmental factors; this study explores how these factors influence the disease's distribution.
  • The research analyzed data from 847 CL patients and identified key demographic trends, including a higher prevalence in younger age groups and urban settings, while confirming 66 impacted villages out of 561 surveyed.
  • Results highlighted that urban areas, agricultural land, and certain temperature ranges increased CL risk, whereas higher altitude and other climatic conditions showed a negative correlation with the disease's occurrence.
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The CRISPR/Cas9 technique is easily programmable, fast, more powerful, and efficient at generating a mutation compared to previous gene therapy methods. β-thalassemia is the most common autosomal recessive disorder worldwide. Appropriate genomic changes in the β gene can be modified to alleviate the symptoms of the disease using the CRISPR/Cas9 system.

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Background And Aim: is one of the most common enteric protozoan parasites in vertebrates, such as humans, domestic and wild animals, causing giardiasis. To the best of our knowledge, little is known about the genetic diversity of assemblages. This study aimed to identify genetic diversity of assemblages in Iranian stray dogs.

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Article Synopsis
  • The study investigates a cyclo-zoonotic infection caused by tapeworms and aims to analyze genetic diversity using mitochondrial genome data.
  • Researchers collected 52 tissue samples from patients in Iran over a span of 23 years, amplifying DNA to identify different genotypes through sequencing.
  • Findings revealed that the G1 genotype was most common, while the G3 genotype (Buffalo strain) was also present, enhancing understanding of the parasite’s transmission and genetic variation in Northern Iran.
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Leishmania is an intracellular protozoan parasite, mainly infects macrophages of mammalian tissues. Inflammatory related cytokines have a crucial role in the pathogenesis of leishmaniasis. The aim of the present study was to evaluate serum concentrations of IL-1β and IL-17 in patients with active visceral leishmaniasis (VL) and control group.

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Human echinococcosis is an infectious disease caused by tapeworms belonging to the species Echinococcus. This parasite has a worldwide distribution and is considered a neglected tropical disease by the World Health Organization. Due to the diversity of Echinococcus spp.

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Introduction: Dogs harbour zoonotic parasites that cause serious infections in humans, such as visceral larva migrans, ocular larva migrans, cystic echinococcosis, and alveolar echinococcosis. Studies on dogs' gastrointestinal parasites in different geographical locations are required to increase knowledge of the risk of canine zoonoses in human populations.

Material And Methods: The presence of parasites was examined in 450 faecal samples collected from eight zones of Zanjan province, northwest Iran from June to November 2015.

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is the most prevalent intestinal parasites of humans in Iran and other in the world although information on geographical distribution of giardiasis plays significant role in identifying communities at high risk, little attention has been paid to study human giardiasis using geographical information system. Therefore, the aim of the current study was to determine temporal and spatial patterns of human giardiasis distribution to identify possible high risk areas and seasons in northern Iran. A total of 4788 people referred to health centers in the Mazandaran Province of northern Iran were surveyed January to December 2015.

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Aim: Parasitic infections, especially of the zoonotic-parasitic type, are the most important health, economic, and social problems in developing countries, including Iran. The aim of this study was to review systematically the available data on gastrointestinal parasites of carnivores in Iran and their ability to infect humans.

Materials And Methods: Studies reporting intestinal parasites of carnivores were systematically collected from nine electronic English and Persian databases and Proceedings of Iranian parasitology and veterinary congresses published between 1997 and 2015.

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Free-living amoebae (FLA) are a group of protozoa with the capabilities of growth in the environment and invasion to the human body which have been isolated from different water sources. , , and are the most important FLA. These cause a variety of severe complications of eye and central nervous system.

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Echinococcus granulosus is the causative agent of cystic echinococcosis (CE), which is distributed all around the world. CE is one of the most important global parasitic infectious diseases, both in humans and animals. This parasite causes hydatid cysts that can be lodge at different organs of host such as liver, lung even in heart and brain which may lead to death.

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Aim: and spp. are important but neglected zoonotic helminths of dogs. Dogs as the most relevant definitive hosts harbor several species of and simultaneously in their gastrointestinal lumen which are morphologically indistinguishable.

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Background: Hydatidosis is the most important zoonotic disease that causes significant economic losses and public health problems worldwide. This study was conducted to evaluate retrospectively 136 patients diagnosed with hydatid cyst disease at two university medical centers between 2007 and 2013 in in Zanjan area, northwest Iran.

Methods: We surveyed medical records of infected patients with hydatid cyst who had been operated in two hospitals in Zanjan City, northwest, Iran.

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