12 research outputs found
Mycobiota and aflatoxin B1 contamination of rainbow trout (Oncorhinchus mykiss) feed with emphasis to Aspergillus section Flavi
In the present study, mycobiota and natural occurrence of aflatoxin B1 (AFB1) in pellet feed and feed ingredients used in a feed manufacturing plant for rainbow trout nutrition was investigated. The samples were cultured on the standard isolation media for 2 weeks at 28 ºC. Identification of fungal isolates was implemented based on the macro- and microscopic morphological criteria. AFB1 was detected using high performance liquid chromatography (HPLC). Based on the results obtained, a total of 109 fungal isolates were identified of which Aspergillus was the prominent genus (57.0%), followed by Penicillium (12.84%), Absidia (11.01%) and Pseudallscheria (10.10%). The most frequent Aspergillus species was A. flavus (60.66%) isolated from all feed ingredients as well as pellet feed. Among 37 A. flavus isolates, 19 (51.35%) were able to produce AFB1 on YES broth in the range of 10.2 to 612.8 µg/g fungal dry weight. HPLC analysis of trout feed showed that pellet feed and all feed ingredients tested except gluten were contaminated with different levels of AFB1 in the range of 1.83 to 67.35 µg/kg. Unacceptable levels of AFB1 were reported for feed including soybean, fish meal and wheat. These results indicate the importance of AF contamination of trout feed in amounts higher than the acceptable level as a risk factor for fish farming production
Barriers to Family Caregivers’ Coping With Patients With Severe Mental Illness in Iran
The broad spectrum of problems caused by caring for a patient with mental illness imposes a high burden on family caregivers. This can affect how they cope with their mentally ill family members. Identifying caregivers’ experiences of barriers to coping is necessary to develop a program to help them overcome these challenges. This qualitative content analysis study explored barriers impeding family caregivers’ ability to cope with their relatives diagnosed with severe mental illness (defined here as schizophrenia, schizoaffective disorders, and bipolar affective disorders). Sixteen family caregivers were recruited using purposive sampling and interviewed using a semi-structured in-depth interview method. Data were analyzed by a conventional content analytic approach. Findings consisted of four major categories: the patient’s isolation from everyday life, incomplete recovery, lack of support by the mental health care system, and stigmatization. Findings highlight the necessity of providing support for caregivers by the mental health care delivery service system.The study was supported by Grant TBZMED·REC.5825 from the deputy of research in Tabriz University of Medical Sciences
Helicobacter pylori eradication effect on patients with functional dyspepsia symptoms
BACKGROUND: Dyspepsia is a common symptom with a broad differential diagnosis and complex pathophysiology which annually affect about 25 of the general population. Results of Helicobacter pylori eradication in the patients with dyspepsia symptoms in the different studies are controversy. Aim of the study was to evaluate the effect of Helicobacter pylori eradication in the patients with functional dyspepsia. METHODS: In order to doing the clinical trial study, demographic and clinical symptoms of the patients that referred to the gastroenterology center of the Ilam County from 1391 to 1392 was recorded in a standard questionnaire (including criteria of ROM III). Overall 120 patients with dyspepsia were selected and divided into two groups of "control" and "treatment". Helicobacter pylori presence was confirmed by stool antigen test in all of the patients. Selected patients were randomly divided into two groups. Standard therapy for the Helicobacter pylori eradication was done for two weeks periods in the one group. Then in this group antacid medication (morning and night) was continued. Four weeks treatment with antacid medication (morning and night) was performed for second group (control) and then both groups were treated with antacid for three month and both groups were finally evaluated with same questionnaire. RESULTS: The mean age of patients was 32 years; 55.8 of the patients were female. The most prevalent symptoms of functional dyspepsia (25.7) were in the age groups of 16-34 years and 35-43 years. All of dyspepsia symptoms in the both groups of cases (Helicobacter pylori standard treated) and control (treated with antacid) decreased after treated. However, this reduction in all symptoms was not significant except for epigastric pain and vomiting. CONCLUSIONS: Helicobacter pylori eradication has a little effect in improving of the functional dyspepsia syndrome and the effect was justly seen in the symptoms of epigastric pain and vomiting
A 7-Years Retrospective Study of Gastrointestinal Cancers Incidence in the Western Iran
Introduction: In Iran, cancer is the third reason of the death and every year 500,000 new cases were detected, and 14 of all death is related to cancer. The most common system that is affected by cancer (after the skin) is gastrointestinal (GI) system. The purpose of the study is evaluation of the 7 years incidence (2002-2008) of the GI cancers in Ilam province in the west of Iran. Materials and Methods: In this retrospective cross-sectional study, total 307 record health related to the patients affected by the gastro-intestinal system cancer were evaluated after referring to the pathologic centers of the Ilam province and neighboring provinces. Patient's data were recorded from their file based on the standard questionnaire. Result: The mean age standard deviation of participants was 63.8+1.5. More than half of participants study was men (58.3). The prevalence of the esophagus, stomach, small intestine and colorectal cancers was significantly higher in the men than the women (unlike liver cancer) (p<0.001). The most common site of GI cancer were esophagus (38.1) and stomach (34.2) but small intestine was allocated the least prevalence (1) to itself. The most common pathology type of cancer was adenocarcinoma in the GI system (68.1). Conclusion: According to the high prevalence of the GI cancer and also the ascending incidence of the patient with disease in the Ilam province, special measures should be considered for the reduction of the life and property load resulted from this disease. People by introduction of the warning signs of the gastrointestinal system cancer should be screened for GI cancer
Prevalence of Urinary Tract Infection and Associated Microorganisms in Iran; A meta-Analysis Study
This study aims to evaluate the prevalence of UTI and determine the most prevalent microorganisms in Iran by using meta-analysis. By use searching the keywords in information Databases such as SID, Magiran, Iranmedex, Science direct, PubMed and Google Scholar, a total number of 40 papers were selected between 1996-2011 years, based on inclusion criteria in this study. All papers were enrolled to Meta analysis after qualitative control by using random effect model. Heterogeneity between studies was assessed by I-Square index, and then data was analyzed by using R-software (Version 2.11.1) and STATA software (version 10). Eleven papers were recognized eligible to be enrolled Meta analysis from 40 selected papers. Totally, 66448 individual was studied. The prevalence rate of UTI in Iran was 13.3 (CI95; 7.8-17.8). E. Coli with prevalence of 62.1 (CI95; 55.4-68.9) was the most prevalent microorganism and Enterobacter with prevalence of 2.8 (CI95; 1.8-3.8) were the lowest isolated microorganisms. Health education, prescription of the best antibiotics based on urine culture, and avoidance from overdose of antibiotics and self medication are recommended In order to reduce the prevalence of UTI
Development of T follicular helper cells and their role in disease and immune system
The T follicular helper cells (TFH) are a subset of CD4+ T cells specialized to regulate antibody responses. The production of these cells is associated with the dendritic cells (DCs) and B cells. TFH cells help B cells form germinal centers (GC) differentiate into memory and plasma cells (antibody-secreting cells) as humoral responses. In addition, there is strong evidence that TFH cells play a pivotal role in the development of long-lived humoral immunity. Molecular factors such as transcription factors, surface receptors, cytokine and micro RNAs are involved in the formation of TFH cells. Such TFH cells are diagnosed by transcription factor (BCL-6), surface marker expression (including CXCR5, PD-1, ICOS and CD40L) and a unique cytokine production pattern (such as IL-21 and IL-6). Memory TFH cells, accompanied by memory B cells, are known to be formed during antibody responses. It is now clear that the precise control of TFH cells is critically important for both inducing the optimal affinity maturation of antibody responses and preventing self-reactivity. Exclusive controls of TFH cell function and production are essential for human health. However, it is important to note that excessive activities may lead to autoimmune diseases, while reduced activity often results in immunodeficiency. It has also been shown that TFH cells are associated with cancers such as angioimmunoblastic T-cell lymphoma (AITL), follicular T-cell lymphoma (FTCL) and nonspecific Peripheral T-cell lymphomas (PTCLs). The biology of TFH cells, including their differentiation and transcriptional regulation will be described in the present review. Some of The developments of these cells in immunodeficiency diseases, autoimmunity and cancer will also be taken into account. © 201
Associated factors with male infertility: a case control study
OBJECTIVE: Sperm analysis is an important step to evaluate and diagnose male's infertility. The present study aimed to determine associated factors with males' infertility by using semen analysis. MATERIALS AND METHODS: In this study 96 men were evaluated who attended to the infertility clinics of Ilam province, western Iran between May 2010 to May 2011. Semen analysis was done using the Weili Dynamic Sperm Analysis software adapted to the WHO classification. Based on movement and speed characters, sperms were classified to either A, B, C or D classes. Participants were stratified into two groups that called "Oligospermia (OS)" with sperm counts of less than 20 million in mL (n=48) and "Non-Oligospermia (NOS)" with values more than determined cutoff point (n=48). RESULTS: The Mean age +/-SD for OS and NOS group were 29.9 +/-5.1 y and 31.17 +/-5.24 y, respectively (p>0.05). Overall, 62.5 of OS and 31.2 of NOS were clinically infertile (OR=3.6, CI, 1.5-8.5, p=0.01). A significant difference was found between job and live ratio(A+B+C) in NOS group (F=2.8, p<0.05). CONCLUSION: Prevalence of infertility was higher in the OS men compared to the NOS group. The main risk factors in the OS group were History of Varicocele surgery and residence site of patients that are totally similar to the NOS men. Further case-control studies and clinical trials are recommended to recognize infertility causes in men
The impact of modern education in the Ouramant region of Iranian Kurdistan: a grounded study
Ouramanat region, Kurdistan, Modern education, Change, Grounded theory, Paradigm model,
Prevalence of drug use before and during imprisonment in seven European countries (2014-2018)
Substance use is a global phenomenon that is particularly affecting the prison population. This study aimed to describe the prevalence of drug use among people in prison before and during incarceration in seven European countries and to compare it with the prevalence in the general population. Individual data collection was carried out between 2014 and 2018 with a model European Questionnaire on Drug Use among people in prison. A total of 12,918 people living in prison filled in the survey. People in prison report higher level of drug use when compared with the general population and the use of drug inside prison exist, although at lower levels when compared with predetention. Prisons can represent a point of access to engage individuals who use drugs in interventions that address drug use and risk factors related to both drug use and imprisonment.</p