International Journal of Enteric Pathogens最新文献

{"title":"The Role of Vitamin D in the Immune System During COVID-19 Infection: Letter to the Editor","authors":"Fatemeh Sameni, Bahareh Hajikhani, M. Dadashi","doi":"10.34172/ijep.2021.32","DOIUrl":"https://doi.org/10.34172/ijep.2021.32","url":null,"abstract":"","PeriodicalId":31016,"journal":{"name":"International Journal of Enteric Pathogens","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72925025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Diagnostic Testing for Coronavirus Disease 2019: A Narrative Review","authors":"Fatemeh Sameni, Nafiseh Khosravi-Dehaghi, Bahareh Hajikhani, M. Dadashi, M. Mohammadzadeh, S. Yazdani, M. Goudarzi, M. Ghazi","doi":"10.34172/ijep.2021.27","DOIUrl":"https://doi.org/10.34172/ijep.2021.27","url":null,"abstract":"The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) rapidly spread worldwide and infected multiple age groups. The best way to reduce the risk of spreading new coronavirus (coronavirus disease 19, COVID-19) is the rapid and accurate identification of carriers and infected patients in society. Although several diagnostic tests are available, reverse transcription-polymerase chain reaction (RT-PCR) testing is commonly used for this purpose. In this review, various methods were introduced for the identification of COVID-19 patients using clinical manifestations, gastrointestinal symptoms, and molecular and serological diagnostic techniques. Finally, the advantages and disadvantages of diagnostic tests, including molecular and serological tests, were evaluated to identify the novel coronavirus.","PeriodicalId":31016,"journal":{"name":"International Journal of Enteric Pathogens","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83482865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"SARS-CoV-2 Infection and Microbiota Alterations; Potential Beneficial Roles of Probiotics: A Review Article","authors":"R. Kargar, Aylar Erfanian, S. Eslami, Mohammad Akhoondian, A. Taherinia, S. Yazdani","doi":"10.34172/ijep.2021.30","DOIUrl":"https://doi.org/10.34172/ijep.2021.30","url":null,"abstract":"The coronavirus disease 2019 (COVID-19) pandemic, along with recurrent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) mutations and unavailability of specific treatment indicates the need for effective treatments. In this regard, supportive therapies can be highly beneficial and essential. Gastrointestinal microbiome balance has long been considered a vital factor in human health. The use of probiotics has been suggested to treat diseases in which the gut microbiome is imbalanced. Gastrointestinal symptoms are present in some patients with COVID-19, and experiments have shown microbial imbalance in these patients. The inhibition of neutrophil elastase (NE) and an increase in butyrate can help improve and recover COVID-19 by inhibiting virus entry and its proliferation, boosting the immune system, performing antimicrobial functions, and preventing hypercoagulability. Therefore, the possibility of using a combination of Bifidobacterium longum NCC2705, Odoribacter, and Butyricicoccus pullicaecorum 25-3T was proposed for this purpose. In this review article, we discussed the association between the gut microbiome and COVID-19 infection and evaluated the potential of modulating the balance of the gut microbiome in preventing adverse events during SARS-CoV-2 infection.","PeriodicalId":31016,"journal":{"name":"International Journal of Enteric Pathogens","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83896035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association between Neutrophil to Lymphocyte Ratio and the Extent of Coronary Artery Disease in Patients with STEMI Versus Patients With Stable Angina Undergoing PCI: An Idea for Investigation of Other Inflammatory Diseases","authors":"M. Alidoosti, S. Yazdani","doi":"10.34172/ijep.2021.24","DOIUrl":"https://doi.org/10.34172/ijep.2021.24","url":null,"abstract":"Background: Inflammation plays an important role in the pathogenesis of diseases such as atherosclerosis and other inflammatory disorders. The inflammatory markers impose a considerable cost on the health system. Recently, neutrophil to lymphocyte ratio (NLR) has been shown to be involved in the prediction of coronary artery disease (CAD). Objectives: This study was conducted to clarify the potential relationship between NLR and the inflammatory extent of CAD. Materials and Methods: Patients with ST-elevation myocardial infarction (STEMI) or stable angina who underwent primary or elective percutaneous coronary intervention (PCI), respectively, were included in this cross-sectional study. Patients with hematologic disorders, recent or active infectious or inflammatory diseases, history of malignancy, and history of treatment with immunosuppressive drugs were excluded from the study. Gensini and SYNTAX scores were calculated for each patient as an indicator of the extent of CAD. Demographic and clinical characteristics were obtained through a questionnaire and NLR was calculated using laboratory results. Results: A total of 446 patients (223 patients in each group) fulfilled the inclusion criteria. NLR had a significant relationship with Gensini score in both stable angina and STEMI patients. Gensini and SYNTAX scores correlated significantly with NLR; however, the correlation was weaker for SYNTAX score. After adjustment for confounding factors, including age and hypercholesterolemia, only one trend remained for the Gensini scores. Conclusion: NLR showed a stronger correlation with Gensini score than SYNTAX score. Our findings are in accordance with previous studies, which show that NLR has a relationship with the extent of CAD. Further studies are required for reaching a definite conclusion. The idea of this study may be useful for the investigation of other inflammatory diseases.","PeriodicalId":31016,"journal":{"name":"International Journal of Enteric Pathogens","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88245139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Manifestation of Abdominal Lymphoma as Retroperitoneal Fibrosis in a Child: A Case Report","authors":"S. Haghi, R. Arjmand, M. Gholami","doi":"10.34172/ijep.2021.22","DOIUrl":"https://doi.org/10.34172/ijep.2021.22","url":null,"abstract":"Non-Hodgkin’s lymphoma includes 60% of lymphoma cases in children and adolescents. Burkitt’s lymphoma and diffuse large B-cell lymphoma (DLBCL) patients usually have intra-abdominal tumors. Non-Hodgkin’s lymphoma (NHL) may present as retroperitoneal fibrosis (RF). In the present paper, a 7-year-old boy was reported who was hospitalized in our hospital because of stomachache, vomiting, and weight loss. In the patient’s history, it was found that 3 weeks ago, the patient complained of flank pain and suspected kidney stones, but urethroscopy revealed that he did not have kidney stones. After admission to our hospital, upon the examination of the abdomen, we noticed a palpable mass in the patient’s epigastric region. Diagnostic laparoscopy was performed, and a large number of hard lesions similar to fibrosis were detected in the mesogastric region, the first part of the small intestine, the head of the pancreas, and the liver. Finally, DLBCL was diagnosed in this patient.","PeriodicalId":31016,"journal":{"name":"International Journal of Enteric Pathogens","volume":"23 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80340346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Isolation, Characterization, and Molecular Identification of Mycoplasma hominis in Females With Bacterial Vaginosis and its Association With Epidemiological Factors: A Cross-sectional Study From Isfahan Province, Iran","authors":"Maedeh Khodadadi, Maryam Allahdadian, Maryam Mohammadi Sichani","doi":"10.34172/ijep.2021.19","DOIUrl":"https://doi.org/10.34172/ijep.2021.19","url":null,"abstract":"Background: Mycoplasma strains are frequently found in the human urogenital tract and are mainly associated with bacterial vaginosis (BV) which has several adverse outcomes including infertility, preterm delivery, and abortion. The prevalence of BV caused by Mycoplasma species could be associated with different epidemiological factors such as ethnicity, socioeconomic status, sexual activity, and age. Objective: This study aimed to investigate the prevalence of BV caused by Mycoplasma hominis and to examine its association with several epidemiological factors. Materials and Methods: A total number of 110 married, non-pregnant women in the 18-45 age range and with BV referring to the healthcare centers of Falavarjan, Isfahan province, Iran were included in this study. BV was diagnosed based on the Amsel criteria, and the polymerase chain reaction (PCR) was used for detecting M. hominis. Then, the association of several epidemiologic factors with the presence of M. hominis was examined. Results: According to the study results, 15.4% of patients (group 1, n=17) were positive for M. hominis infection, while the remaining ones (group 2, n=93) were negative for this pathogen. Statistical analyses showed no significant difference between the two groups in terms of age range, job, education level of the subjects and their husbands, history of birth delivery and abortion, number of sexual intercourses per week, daily vaginal wash, body mass index (BMI), socioeconomic status, contraception method, and positive whiff test. However, a higher prevalence of M. hominis infection was observed among the women with previous deliveries ≥2, which was significantly different from the prevalence of non-M. hominis infection. Moreover, a significant association of M. hominis infection with the pH of vaginal discharge and presence of clue cells was detected. Conclusion: An association was found between M. hominis infection and previous deliveries among the studied women, while other epidemiological factors were discovered not to be important determinants in this regard.","PeriodicalId":31016,"journal":{"name":"International Journal of Enteric Pathogens","volume":"23 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72474554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Toxocara Species Infection in Pet Dogs and Cats Ensured by Loop-Mediated Isothermal Amplification Assay","authors":"Hamid Hosseini, M. Zibaei, A. Miahipour, Z. Hatami, F. Firoozeh, Milad Badri","doi":"10.34172/ijep.2021.21","DOIUrl":"https://doi.org/10.34172/ijep.2021.21","url":null,"abstract":"Background: Toxocariasis is a parasitic disease with global distribution. Many paratenic or transport hosts have been identified as the sources of infection, including vertebrates such as birds and humans. The definitive hosts of Toxocara are dogs and cats whose parasites live in their guts. Hence, the diagnosis of the disease in these animals is important. Objective: The present study was performed using the loop-mediated isothermal amplification (LAMP) method to diagnose toxocariasis. Materials and Methods: In the present study, 60 samples of pet feces were collected and subsequently evaluated by direct smear, formalin-ether, and LAMP. Results: Toxocara infection in dogs by microscopic and formal ether methods and LAMP method was 10% and 13.3%, respectively, while feline infection with this parasite was not observed either microscopically or molecularly. Conclusion: The present findings revealed that pet dogs can be considered as a source of infection for humans. Therefore, it is recommended that animal owners receive the necessary training to prevent the risks of transmitting zoonotic diseases.","PeriodicalId":31016,"journal":{"name":"International Journal of Enteric Pathogens","volume":"73 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91047473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Detection of Enterotoxin A Gene (sea) and Determination of Different Biotypes of Staphylococcus Aureus Isolates From Milk and Cheese in Khuzestan Province, Iran","authors":"S. Maktabi, D. Gharibi, Taherah Hormozi","doi":"10.34172/ijep.2021.23","DOIUrl":"https://doi.org/10.34172/ijep.2021.23","url":null,"abstract":"Background: There has been a growing concern about the potential transmission of Staphylococcus aureus strains among human and animal species through the consumption and handling of foods of animal origin. Objective: The present study aimed to determine the source and possible route of milk and dairy contamination in Khuzestan province of Iran. Materials and Methods: A total of 150 raw cow’s milk and 50 traditional cheese samples were collected from local markets in different cities of Khuzestan province, Iran. Presumptive colonies on Baird Parker Agar were subjected to the Polymerase Chain Reaction assay in order to identify the Staphylococcus genus, thermonuclease gene specific for S. aureus, enterotoxigenic gene (sea), and coa gene for coagulase gene. Moreover, biotyping of S. aureus strains was implemented based on Devriese’s system, and the antibiotic susceptibility testing (five antibiotics) was carried out. Results: Overall, 80 Staphylococcus spp. was isolated from the samples. The PCR was performed and, as the result, 23 S. aureus were confirmed, out of which 2 isolates (8.6%) belonged to the human ecovar and 17 isolates (73.9%) belonged to the non-host specific (NHS) biotype, whereas 4 isolates (17.3%) remained unclassified. Furthermore, sea gene and coagulase genes were detected in 3 and 22 isolates, respectively. The rates for contamination with S. aureus in milk and in cheese were 15% (19 samples) and 8% (4 samples), respectively. Overall, 4%, 9%, 17%, 35%, and 56% of isolates were found resistant to gentamicin, erythromycin, oxacillin, trimethoprim, and penicillin, respectively. Conclusion: The local milk and cheese supplied in the given area were contaminated with antibiotic-resistant and enterotoxigenic staphylococci. Therefore, it was recommended that the supply chain of these materials should be carefully monitored in order to prevent the complications caused by the contamination with these ecovars.","PeriodicalId":31016,"journal":{"name":"International Journal of Enteric Pathogens","volume":"43 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79212818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antifungal Activity of Peptides Derived From Iranian Traditional Kefir","authors":"M. Azizkhani, Azam Sodanlo","doi":"10.34172/ijep.2021.20","DOIUrl":"https://doi.org/10.34172/ijep.2021.20","url":null,"abstract":"Background: Probiotic products contain metabolites that have positive effects on the intestinal microorganisms and well-being of the host as well as possess antimicrobial properties. Objective: This study aimed to investigate the antifungal activities of the water-soluble peptides (WSPs) found in ewe and cow milk kefir fermented by the traditional kefiran of Semnan (Semnan province, Iran). Materials and Methods: Kefir samples were prepared by inoculating Iranian traditional kefiran into pasteurized milk. WPSs were extracted and antifungal activity was evaluated. Results: During the 28-day storage, the concentration of the amino acids increased except for a decrease detected in the concentration of arginine, aspartic acid, cysteine, and glycine; and the total amino acid concentration in ewe milk and kefir was higher than that in cow’s milk and kefir. The WSPs of both kefir samples showed considerable inhibitory activities against the growth of Candida albicans and Aspergillus niger, but Penicillium sp. had the lowest sensitivity when treated with WSPs. The antifungal activity of WSPs of ewe kefir was significantly higher than that of cow kefir. The highest growth inhibitory potential of WSPs between two kefir samples was found for C. albicans. The antifungal potential of WSPs of ewe kefir was considerably higher than that of cow kefir. Conclusion: The higher antifungal potential of ewe kefir was likely associated with the high concentration of protein, extensive degradation of proteins, and diversity of amino acids produced during the fermentation.","PeriodicalId":31016,"journal":{"name":"International Journal of Enteric Pathogens","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89528037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Determination of Echinococcus granulosus Antigen B Polymorphism in Human and Animal Isolates From Alborz Province by PCR-SSCP","authors":"Parisa Asheri, A. Miahipour, M. Zibaei, H. Hosseini","doi":"10.34172/ijep.2021.18","DOIUrl":"https://doi.org/10.34172/ijep.2021.18","url":null,"abstract":"Background: Echinococcus granulosus is one of the most important pathogens in medicine. This parasite is able to cause a hydatid cyst in humans, which causes various human and financial losses annually. Objective: This study focused on determining the polymorphism of antigen B (AgB) of E. granulosus in the human and animal samples of Alborz province. Materials and Methods: In this study, 50 samples of the hydatid cyst fluid (HCF), 10 human samples, and 40 sheep samples were collected, then the DNA was extracted from the samples. During the polymerase chain reaction (PCR) process, the corresponding fragment was replicated in the AgB gene. Subsequently, PCR-single-strand conformation polymorphism (SSCP) was performed to investigate genetic diversity. Results: All 50 isolates used in this study showed the AgB in 350 bp after conducting PCR. In addition, all isolates demonstrated similar band patterns after the PCR-SSCP assay. Conclusion: In 50 isolates, one banding pattern was observed after PCR-SSCP, while no polymorphism was detected in any of the isolates.","PeriodicalId":31016,"journal":{"name":"International Journal of Enteric Pathogens","volume":"51 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76412232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}