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Showing 68 results for Rahimi

Noushin Rahimi, Sonbol Nazeri, Soheila Mirzaei,
Volume 16, Issue 3 (6-2013)
Abstract

Background: Taxol is a diterpenoid compound that was first isolated from yew tree (Taxus brevifolia) and later from other plants such as Corylus avellana. Studies have shown that some of the endophytic fungi isolated from these plants are also capable of producing taxol. DBAT gene is one of the key genes in taxol biosynthesis pathway that catalyzes the synthesis of Baccatin III, one of the main precursors in taxol biosynthesis. The aim of this study was to investigate taxol production by endophytic fungi isolated from Corylus avellana.

Materials and Methods: In this case-control study, endophytic fungi were isolated from hazelnut trees in the Fandoghlo area, Ardabil province, and purified through hyphal tip method. Genomic DNA was extracted using CTAB method. The presence of DBAT gene was examined by polymerase chain reaction (PCR). Taxol production in fungal media was investigated via TLC (Thin Layer Chromatography) method.

Results: After purification, 60 fungi were isolated from different organs of hazelnut trees and the presence of DBAT genes in 12 isolates was proved by PCR with specific primers. Investigation of taxol production in culture of these isolates showed that 7 isolates were capable of producing taxol in laboratory conditions.

Conclusion: A group of endophytic fungi isolated from hazelnut, grown in the North West of Iran, had DBAT gene, encoding a key enzyme in the taxol biosynthesis pathway, and some were able to produce taxol in vitro.


Karon Shah Ebrahimi, Azam Sharifi, Afshin Almasi, Ronak Taliei, Babak Izadi , Mohammad Karimi,
Volume 16, Issue 4 (7-2013)
Abstract

Background: Subclinical hypothyroidism is the compensatory stage before overt hypothyroidism. In overt hypothyroidism, risk of ischemic heart disease increases due to elevation of lipoprotein (a) as atherogenic agent, but evidence for subclinical hypothyroidism is one of the controversial issues in researches. According to the atherogenic lipoprotein (a) and other serum lipids, this study is conducted to compare the serum lipoprotein (a) and other serum lipids in patients with subclinical hypothyroidism and euthyroidism.

Materials and Methods: In this descriptive - analytic study, 90 persons (60 with subclinical hypothyroidism and 30 euthyroid state) are participated and these referred to Imam Reza and Taleghani Hospitals which are located in Kermanshah. The sampling method is selected with available sampling methods. After differentiating data by age, sex and underlying disease (liver, kidney, drugs), then they were subjected to determination lipoprotein (a) and other serum lipids profile tests.

Results: In both cases and controls, 16/7% were men and 83/3% were women. Based on results, there is no significant difference between serum lipoprotein (a), triglycerides, cholesterol, HDL and LDL in both statistical groups (p>0.05). Also there is no association between lipoprotein (a) and other serum lipids (p>0.05).

Conclusion: Serum levels of lipoprotein (a) and other serum lipids in young patients with normal weight with subclinical hypothyroidism is not increase, thus it can be concluded early treatment is not necessary for them.


Hosein Heydari , Mehdi Shafiee Ardestani, Rezvan Zabihollahi, Seyed Mehdi Sadat , Shiva Irani , Seyed Nezamedin Hoseini, Safieh Amini, Seyed Davar Syadat, Mohammad Sadegh Khosravi, Alireza Azizi Saraji, Pouneh Rahimi, Mohammad Reza Aghasadeghi,
Volume 16, Issue 6 (9-2013)
Abstract

  Background: Due to the lack of efficient anti-HIV vaccine, anti-HIV pharmaceuticals play an important role in controlling HIV infection. Also significant rise in drug resistance and drug toxicity has caused increased interest in finding new anti-HIV agents. In this study, a nano-sized version of lamivudine based on PEGylated chitosan was synthesized.

  Materials and Methods: In this research, nanoparticles of chitosan were efficiently PEGylated for increasing their stability in water and then the anti-HIV drug, lamivudine, was loaded on these PEGylated nanoparticles. After purification and lyophilization of new synthesized nanoparticle, the raw materials and final product were sampled and FTIR, HNMR and CHN analyses were done.

  Results: Results of HNMR spectroscopy showed that chitosan nanoparticle was successfully PEGylated. HNMR data confirmed FTIR results and indicated that lamivudine was conjugated on chitosan nanoparticle. In addition, CHN analysis data also confirmed both HNMR and FTIR data, and demonstrated that a high yield of chitosan nanoparticle PEGylation (approximately 97%) was done and illustrated a high capacity of lamivudine conjugation on nano-sized PEGylated chitosan (30% W/W chitosan).

  Conclusion: In this study, lamivudine drug was successfully synthesized, based on PEGylated chitosan nanoparticle.

 


Hosein Shokri, Davood Hekmatpou, Hamid Reza Ebrahimi Fakhar, Akram Nyazi, Mohsen Azadi, Mohsen Taghizadeh,
Volume 16, Issue 7 (10-2013)
Abstract

Background: Patients with myocardial infarction are faced to multi stressors in which cause to increase their anxiety. This study with the goal of determination of the effect of Durosia Anethifolia (Barilax) on anxiety after myocardial infarction was accomplished.

Materials and Methods:This is a clinical trial which was done on 90 patients with MI. All people were selected by simple method at first and then they randomly allocated into two intervention and control groups. After 24 hours, perl of Barilax 1oo mg twice per day were prescribed for intervention group, and the same dosage of placebo were given to control group. Anxity rate 24 and 96 hours after MI by state Trait Anxiety Inventory (STAI) were measured. All data with X2 and paired T test were analysed.

Results: The mean age of patients in intervention group was 60.68 and 61.46 in control group. In intervention group 51% male and 49% were female and in control group 71% were male and 29% were female. Before intervention, the mean of anxiety rate in intervention group was 46.91 and in control group was 42.24 with no significant difference. After intervention, the mean of anxiety rate in intervention group was 33.35 and in control group was 36.48 with significant difference (p=0.012).

Conclusion: Oral consumption of Durosia Anethifolia (Barilax) on anxiety rate after myocardial infarction was effective. So description of this drug as an effective drug on controling of anxiety after myocardial infarction is recommended.


Zahra Bavand, Shirzad Gholami, Soheila Honari, Bahman Rahimi Esboei, Negin Torabi, Hamed Borabadi,
Volume 16, Issue 10 (1-2014)
Abstract

Background: Giardiasis is the most common infectious diseases of medical parasitology and public health in our country and in many countries is important. Accourding the importance of treating the disease, particularly parasite resistance to drugs. Thus, the aim of present study was investigated the effect of gold nanoparticles on Giardia lamblia cyst stage of the in vitro.

Materials and Methods: In this experimental study, Giardia cysts from contaminated fresh feces were collected and concentrated with use 0.85 M sucrose methods for isolation of cysts. Samples after counting with Noubar slide were stored at 4°C. The gold nanoparticles at concentrations of 0.05, 0.1, 0.3 mg/ml prepared and verified, the particle size was determined. The effect of different concentrations of the nanoparticles at 5, 15, 30, 60 and 180 minutes was evaluated and compared to control groups (metronidazole). Data from the study were recorded and analyzed with T-test and Chi-square by used SPSS software.

Results: The results of the cytotoxic effect of nanoparticles on the different concentration and time of Giardia lamblia cysts in vitro compared with the positive control (Metronidazole) shows mean percent of effect gold nanoparticles increased with increasing concentration and exposure time, so that the concentration of 0.3 mg/ml from 62% at 5 min to 96% at 180 min increased (p<0.05). Also, the survey results show Giardia cysts with increasing exposure time , killing effect of gold nanoparticles at a concentration of 78% in 0.05 mg/ml to 96% at a concentration of 0.3 mg/ml greatest increased (p<0.05). As a result, the concentration of gold nanoparticles in comparison with Metronidazole has the most effect gold nanoparticles at a concentration of 0.3 mg/mL, almost the same effect of Metronidazole as the drug of choice in the treatment of Giardia lamblia.

Conclusion: Therefore, the results of this study, gold nanoparticles at a concentration of 0.3 mg/ml as an effective combination for killing Giardia lamblia cysts in vitro can be used. Thus, future studies on laboratory animals (In vivo) are recommended.


Eshagh Rahimian Boogar, Kaveh Alavi, Maryam Esfahani,
Volume 17, Issue 1 (4-2014)
Abstract

 Background: Comprehending of suicidal ideation and related factors has valuable clinical outcomes in domains of prevention and crisis intervention. The aim of the present study was to explore the predictive role of psychological, demographical and socio-economic factors in suicidal ideation.

Material and Methods: In a cross-sectional descriptive study, 671 persons among general population of Semnan City were selected by voluntary sampling. Data were collected with NEO-Five Factor Personality Inventory, Symptom Check-List Revised, The Defense Style Questionnaire, The Beck Scale for suicide Ideation, The Beck Hopelessness Scale, The Social Support Questionnaire and demographical questionnaire, then analyzed by correlation and Logistic Regression with SPSS.

Results: Literacy level (OR=1.237 P<0.014), Family relationships (OR=1.873 P<0.010), Outcome (OR=4.211 P<0.003), Job status (OR=3.149 P<0.008), History of psychiatric disorders (OR=5.754 P<0.003), Hospitalization in psychiatric ward (OR=2.003 P<0.011), Neuroticism (OR=6.136 P<0.001), Extraversion (OR=3.612 P<0.005), Neurotic defense style (OR=2.468 P<0.005), Mature Defense Style (OR=4.107 P<0.002), Immature Defense Style (OR=3.059 P<0.003), Social Support (OR=7.609 P<0.001), and Hopelessness (OR=9.834 P<0.001) significantly differentiated persons with suicidal ideation from persons without suicidal ideation (P<0.001). These variables totally could correctly predict 97.4% of suicidal ideation.

Conclusion: In this model, risky psychological, demographical and socio-economic factors increase the odds ratio of suicidal ideation. These findings have importance for designing of preventive interventions and interventional programs for self-harm behaviors.


Kavoos Shahsavari Nia, Farzad Rahmani, Hanieh Ebrahimi Bakhtavar, Ali Akbar Taher Aghdam, Elyar Sadeghi Hokmabadi, Armita Massood,
Volume 17, Issue 1 (4-2014)
Abstract

Background: Sudden visual loss is one of the emergent problems that it may be a sign of a life-threatening disease. It should be quickly evaluated and identified the treatable causes.

Case report: A young man without any history of certain disease was referred to the emergency department with complaints of sudden blindness. He was presented with fever, coriza symptoms and progressive blurring of vision that ultimately led to his visual loss. After carefully evaluation, finally suspected diagnosis of acute fulminant multiple sclerosis was made.

Discussion: Multiple sclerosis is a chronic inflammatory disease that is associated with acute attacks of neurological dysfunction. Some of these attacks are an emergent situation and need to early detection and treatment. There is a variant of Multiple sclerosis that called Acute Fulminant Multiple sclerosis which can cause sudden visual loss.


Vida Sadeghifard, Ahmad Ebrahimi, Mohamamd Reza Aghasadeghi, Seyed Mehdi Sadat,
Volume 17, Issue 2 (5-2014)
Abstract

Background: Schizophrenia is a widespread neurodegenerative disorder, which affects approximately 1% of the world population. It is a multifactorial and a highly heritable disease to which genetic factors contribute up to approximately 80%. Nowadays, multitude of genes have been discovered that relate to this disorder mostly by affecting the performance and levels of neurotransmitters in neural systems. Since PAI-1 is a considerable gene in the performance of neural systems, the present study dealt with the relationship between -675 4G/5G polymorphism in PAI-1 gene and schizophrenia among Iranian patients.

Materials and  Methods: This case-control study was carried out on 106 blood samples collected from individuals suffering from schizophrenia and 122 healthy controls. DNA was extracted from the samples and the frequency of the polymorphisms was analyzed using ARMS-PCR method. Finally, the products were detected on 2% agarose gel electrophoresis.

Results: The analysis of the data for -675 4G/5G polymorphism showed that 17.9% of the patients and 1.6% of the controls were mutant homozygous and 65.1% of the patients and 45.9% of controls were heterozygous. Also, 17% of the patients and 52.5% of the controls were normal homozygous.

Conclusion: There was a significant relationship between PAI-1 4G/5G polymorphism and the incidence of schizophrenia. To the best of our knowledge, this is the first study in Iran that assesses the frequency of the polymorphism among Iranian patients. However, further studies with more samples are necessary.


Babak Eshrati, Maryam Shakiba, Ali Khorshidi, Ali Akbar Mabodi, Habibollah Rahimi,
Volume 17, Issue 6 (9-2014)
Abstract

Background: This study aimed to compare the efficacy and safety of insulin versus oral hypoglycemic drugs for gestational diabetes treatment, using evidence based medicine approach.

Materials and Methods: This secondary study was conducted by selecting a comprehensive systematic review through searching the Cochrane library. To calculate the number needed to treat (NNT), outcomes such as cesarean section, macrosomia, birth weight more than 90th percentile, operative vaginal delivery, labor induction, post partum hemorrhage, and shoulder dystocia has been considered while neonatal hypoglycemia, NICU hospitalization and fetal distress were considered for calculating number needed to harm (NNH). To calculate the likelihood of helped versus harmed (LHH), macrosomia and hypoglysmia were selected. Data were analyzed with Wilson score test.

Results: The NNT for above outcomes were 3, -14, -5, 16, -3, 31, and 32, respectively. Among them cesarean section was significance. Calculated NNH for side effects were 6, 15, and -17 which only was significance for neonatal hypoglycemia (p<0.05). The LHH was estimated -0.43.

Conclusion: Considering LHH, it seems that the benefit of insulin in management of gestational diabetes is more than metformin. But with respect to issues such as low sample size of trials, lack of assessment the maternal hypoglysemia as complication of insulin therapy, the findings should be considered cautiously.


Behnaz Tavasoli, Saber Ebrahimi, Rima Manafi, Fatemeh Kiani, Majid Safa, Ahmad Kazemi,
Volume 17, Issue 7 (10-2014)
Abstract

Background: Acute lymphoblastic leukemia (ALL) is the most common type of cancer in children. Currently, chemotherapy is the most effective method of leukemia cancer treatmentwhich has many side effects. New strategies in cancer therapy utilizecompounds that specifically target aberrant signaling pathways in order to reduce toxic sideeffects Indole-3-carbinl (I3C) found in vegetables has multiple anti-cancer properties because of its ability to modulate multiple cellular signaling pathways. In this study the molecular mechanism of the action of indole-3-carbinol on pre- B ALL cells was investigated.

Materials and Methods: In current study, NALM-6 cells were treated with different concentrations of I3C at specific times. Analysis of cellular DNA content was performed by flow cytometry for evaluation of cell cycle status. The protein expression of p21, p53 as well as c-Myc proteins was determined by Western blot in I3C-treated cells.

Results: Cell cycle histogram analysis showed that I3C significantly increased the percentage of G1 cells compared with non-treated cells (control)(p<0.05). The western blot analysis also indicated I3C significantly up regulated p21, p53 expression and down regulated c-Myc expression (p<0.05).

Conclusion: The G1 arrest induced by I3C is associated with down-regulation of c-Myc and up-regulation of p53 and its downstream target p21.


Bakhtyar Tartibian, Bahman Ebrahimi Turkmani,
Volume 17, Issue 7 (10-2014)
Abstract

Background: The aim of this research was to determine the relationship between inflammatory markers (Fibrinogen, C-reactive protein (CRP) and Creatine kinase (CK)) and respiratory responses FEF25-75% (Forced expiratory flow in 25-75 percent) and FEV1 (Forced expiratory volume in one second) in 14-16 year’s Urmia city boys in response to an incremental physical activity.

Materials and Methods: The subjects were boys of 14-16 years among 24 healthy participants. These groups divided into two groups randomly, one group as trained one (n=12) and the othes as control group. Blood sample was taken in baseline and after Modified Balke Protocol in trained group, And the blood sampling was taken in baseline and 48 hours later in control group. respiratory responses were measured immediately after Modified Balke Protocol.

Results: CRP and Fibrinogen significantly increased in trained group (p<0.001) and this group had high level of these markers compared with control group (p<0.001). The association between CRP with FEF25-75% and fibrinogen with FEF %25-75 and CK with FEF 25-75% in trained group was significant (p&le0.05).

Conclusion: The results of this study show that incremental physical activity increased inflammatory factors in active children. Incremental exercise shows a strong relationship between some inflammatory markers and respiratory parameters in adolescents 14-16 years old.


Parsa Yousefi Chaijan, Bahman Salehi, Ali Khosrobeigi, Melika Hajirahimi, Mohammad Rafiei, Hassan Taher Ahmadi,
Volume 17, Issue 8 (11-2014)
Abstract

Background: Some children have abrupt onset of severe urinary frequency, voiding as often as every 10-15 min during the day, without dysuria, UTI, daytime incontinence, or nocturia. The most common age for these symptoms to occur is 4-6 yr, after the child is toilet trained, and the vast majority are boys. This condition is termed the daytime frequency syndrome of childhood or Pollakiuria. The condition is functional no anatomic problem is detected. The symptoms occur often just before a child starts kindergarten or if the child is having emotional family stress-related problems. OCD is a chronically disabling illness characterized by repetitive, ritualistic behaviors over which the patient has little or no control. OCD has a lifetime prevalence of 1-3% worldwide, and as many as 80% of all cases have their onset in childhood and adolescence. The purpose of this study was to investigate the relationship between OCD and Pollakiuria.

Materials and Methods:In this case-control study, we evaluated (152) children aged 6-18 years old who were visited in the pediatric clinics of Amir-Kabir Hospital, Arak, Iran. The control group considered of (76) healthy children and the case group included (76) age and sex matched children with Pollakiuria. Then, the children’s behavioral status was evaluated using the children’s Yale-Brown Obsessive-Compulsive Scale (C-YBOCS). The C-YBOCS is helpful in identifying children with OCD. The data was analyzed using descriptive and analytical statistics in SPSS-16.

Results: OCD was detected in (5) case (6.6%) with Pollakiuria and (8) controls (10.5%). The difference in OCD was not significant (p-value 0.282) between the two groups.

Conclusion: OCD isn’t more common in Pollakiuria versus non-Pollakiuria children. It is recommended to conduct a study with higher sample volume in order to detect the relationship between OCD and Pollakiuria.


Roghayeh Rahimi, Mehdi Mahdavi, Massoumeh Ebtekar,
Volume 17, Issue 9 (12-2014)
Abstract

Background: Delivery of antigens directly to dendritic cells enhances the immune responses to the antigen and is an attractive approach for eliciting cellular immune responses against mutagenic pathogens like HIV virus. So the aim of this study is evaluation of immune responses elicited by delivered multi-epitopic HIV-1 tat/pol/gag/env recombinant protein to dendritic cells in sito using &alphaDEC-205 mAb.

Materials and Methods: In this study, recombinant protein expressed by pET23a-HIVtop4 plasmid including HIVtop4 sequence (Gag158-186, Pol150-190, ENV296-323, ENV577-610, Tat1-20 and Tat44-61) in BL21 E. coli cells was used as vaccine model. To exploiting dendritic cells, properties for immunization purposes, we conjugated this recombinant protein chemically to anti body against DEC-205 receptor on these cells. Balb/c mice immunized subcutaneously (s.c.) with conjugated multi-epitopic protein or un-conjugated one (as control) simultaneously with Poly I: C as dendritic cell maturation factor. Lymphocyte proliferation was measured by bromo di uridine assay, Cytotoxicity by Grenzyme B production activity, IL-4, IL-17, IFN- cytokines production and total antibody by direct and indirect ELISA methods in order.

Results: Immunization by anti DEC-205 conjugated peptide led to a significant increase in the proliferative responses of lymphocytes, production of Gr-B, IFN-&gamma, IL-4 and IL-17 cytokines and total antibody titer in comparison with the none targeted groups.

Conclusion: It is concluded that targeting of protein antigens to DEC-205+dendritic cells significantly enhances immune responses in compare to non-targeting strategies.


Kaveh Sadeghi, Shahla Shahsavandi, Mohammad Majid Ebrahimi, Homayoon Mahravani, Hadi Fazel,
Volume 17, Issue 11 (2-2015)
Abstract

Background: The outbreaks of new antigenic variants of influenza viruses in human populations have increased necessity the improvement of controlling programs. Influenza vaccines are formulated with adjuvant to enhance and direct the host immune responses. Currently, much effort is devoted to designing molecular adjutants. Hemokinin-1 (HK-1) activates T and B cells for proliferation, survival, differentiation into plasma cells, and antibody production. In this study, the effect of HK-1 as a molecular adjuvant for inducing humoral immune response against influenza virus was investigated.

Materials and Methods: The HK-1 coding sequence was cloned into pcDNA3.1 vector and used as adjuvant. Groups of mice were immunized with an inactivated influenza vaccine formulated with HK-1. The sera of vaccinated mice were collected prior to priming and boosting injections and at defined weeks, and analyzed with serological assays.

Results: The results showed that HK-1 was able to increase antibody titer against virus vaccine. The mice immunized with the adjuvanted vaccine produced higher antibody titers against influenza comparing to vaccine alone immunized group. Number of boosting had no effect on the enhancing of antibody titer.

Conclusion: These data revealed that HK-1 as a molecular adjuvant induces stronger humoral and memory responses against influenza immunization.


Maryam Nafezi, Maryam Tajabadi Ebrahimi, Maryam Eidi,
Volume 18, Issue 8 (11-2015)
Abstract

Background: Aflatoxins are known as the most important toxins which their consumption could cause acute poisoning and create carcinogenic effects. Moreover, previous studies demonstrated the ability of lactic acid bacteria to connect to aflatoxin in food material. The aim of this study is to investigate the effect of the native probiotic Lactobacillus para casei strains TD3 against toxicity induced by aflatoxin B1 in vivo.

Materials and Methods: 24 wistar male rats (250±10 g) were divided into 3 groups including: one negative control group and two groups treated with aflatoxin (170 µg/kg) and Lactobacillus para casei strain TD3 isolated from Tarkhine with aflatoxin (109 cfu/day) for 4 weeks. At the end of the experiment, the blood and tissue samples were collected for histopathological and biochemical studies.

Results: The results indicated that treatment with Aflatoxin leads to a significant increase in the amount of liver enzymes such as AST, ALP and also liver damages.  Furthermore, the group that received Lactobacillus para casei strain TD3, the level of these enzymes was reduced and liver damages due to aflatoxin were improved.

Conclusion: The present study showed that aflatoxin can lead to liver damages and native Lactobacillus para casei strain TD3 which isolated from Tarkhine, probably leads to protective effects by binding to aflatoxin. Thus, it is considered as a biologic agent to remove aflatoxin in vivo.


Nasrin Shahbazi, Hasan Khalaji, Mohsen Ebrahimi Monfared,
Volume 19, Issue 1 (4-2016)
Abstract

Background: studies in adults have shown that external focus of attention is better than internal focus in motor learning. So, the aim of this study is to evaluate the effects of focus of attention- self talk on balance of women with multiple sclerosis.

Materials and Methods: In this semi- experimental study, statistical population included women with MS referred to MS Society of Arak. Whereas balance disorder in patients was diagnosed by neurologyist, they were invited to the study. Patients were accidentally divided into 3 groups each of 15 concluding control, self tak-external focus of attention and self talk- internal focus of attention groups and were evaluated by Berg balance scale. 42 samples completed executive steps of study. ANOVA and Tukey tests were used to compare balance score between groups with significant level of less than 0.05. All patients practiced balance tasks for 9 days and then they were undergone post test.

Results: Balance was improved in all groups. Although the external- self talk group was better than the two other groups, there was no significant difference between external and internal- self talk groups.

Conclusion: The findings of this study showed the effect of practice on improvement of balance skill and superiority of the experimental groups in comparison with control group. Probably, focus of attention with self talk has effect on balance of women with MS.


Mohsen Ebrahimi Monfared, Keyvan Qasami, Ali Reza Rezaei Ashtiani, Elaheh Kazemeini,
Volume 19, Issue 2 (5-2016)
Abstract

Background: Migraine is one of the prevalent disabling disorders. Considering geographical differences in reported epidemiology and improving patients care, the aim of the present study was to evaluate epidemiologic, demographic and clinical characteristics in patients with migraine headache in Arak.

Materials and Methods: This cross sectional and descriptive study was conducted on patients with migraine headache referred to the neurology clinics of Vali-Asr and Imam Reza hospitals of Arak for 6 months. A questionnaire containing the demographic, epidemiologic and clinical data was filled by patients.  Finally, data were analyzed using SPSS 18.

Results: Among 820 patients with headache, 92 (11.21%) subjects were confirmed to have migraine headaches. Of the 92 patients, 54.3% were women and 45.6% were men. The mean age was 36.9±9.2 years old and 50% were married. The most common migraine triggers were stress (78.2%), sleep disturbances (65.2%), and fatigue (63%). The mean frequency of headaches was 6.9±3.5 attacks per month with an average duration of 11.1±4.5 hours per attack.

Conclusion: According to our results, the prevalence of migraine in women is more than in men. Dizziness, visual disturbances, nausea, no aura, headache is one-sided and pulsating are significantly accompanied by migraine. The number of consumed sedative pills in the month, brain imaging and a monthly fee of headache were significant. In total, clinical characteristics of migraine headaches in our patients were nearly compatible with the International Headache Society (IHS) criteria.


Homa Dadgarnia, Zahra Hajebrahimi,
Volume 19, Issue 2 (5-2016)
Abstract

Background: Endothelial cells are very sensitive to mechanical force including microgravity and the morphological and functional changes in them are believed to be at the basis of weightlessness-induced cardiovascular deconditioning. It has been shown that the proliferation, migration, and morphological differentiation of endothelial cells play critical roles in angiogenesis. So far, the influence of microgravity on the ability of endothelial cells to foster angiogenesis remains to be explored in detail. The aim of this study was to investigate the effect of microgravity condition on VEGFR-2 and CD34 genes expression in human umbilical vein endothelial cells (HUVEC) in angiogenesis.

Materials and Methods: In this study, HUVEC cells were purchased from Pastor Institute. We used a clinostat to simulate microgravity condition for 2, 24 and 72 hours. Real time PCR technique was used for gene expression analysis after extraction of RNA from cells.

Results:  Our results showed that microgravity for 72h leads to a significant increase (6 times compared with control group, p<0.001) in the VEGFR-2 gene expression. However, expression of CD34 did not change (p>0.05) with microgravity.

Conclusion: Based on the results, microgravity has positive effect on angiogenesis and can be used to generate vascules for cell therapy of ischemic diseases and atherosclerosis.


Bahman Salehi, Shirin Moradi, Somayeh Ebrahimi, Mohammad Rafiei,
Volume 19, Issue 4 (7-2016)
Abstract

Background: Boredom is a psychological phenomenon that was defined as an aversive state or incompatibility with every repetitive experience while the release of stability is not allowed. Boredom has several complications. So, the goal of this study is to compare the predictors of boredom in students of Arak University of medical sciences and Islamic Azad University.

Materials and Methods: The current descriptive-comparative study has been done on966 students (from Arak University of medical sciences and Islamic Azad University). The scale of current study was a checklist list of demographic information, predictors of boredom assess questionnaire, Farmer and Sundberg’boredom proneness scale. Data were analyzed by using chi-square, Pearson correlation, multivariate regression, and Fisher'sz.

Results: The greatest number of students from both universities have normal boredom without a statistically significant difference between male and female students (p=0.06). University factor had the highest average between students. Totally, boredom had a significant correlation with each of the home (p=0.000) and society (p=0.001) factors. All three factors including home (p=0.033), university (p=0.033) and society (p=0.031) can explain and predict boredom in male and female students.

Conclusion: The results showed that university factor was the most important factor for predicting boredom between college students. Thus, in order to avoid adverse effects of boredom on students educational activities, this phenomenon and its causes should be considered.


Azam Fakhri, Soyar Sari, Ahmad Ebrahimi,
Volume 19, Issue 5 (8-2016)
Abstract

Background: Endometriosis disease is considered as a common disease dependent on androgen hormones. Androgens have different effects on endometrial growth. Androgen receptor as a signal transduction pathway could have a key role in regulating the process. Over hundreds of mutations leading to resistance gene function in androgen receptor (AR) has been recorded. Among these, the seuaence of CAG repeat in exon 1 had the largest share of studies related to the disease. The aim of the present study was to investigate the relationship between the AR gene CAG repeat variations in Iranian women with endometriosis.

Materials and Methods: In this study, 100 women with endometriosis and 100 healthy women as controls were selected. Exon 1 was amplified using PCR. Products of PCR were studied to determine CAG repeat variation in acrylamide gels.

Results: The number of CAG repeats in each group was determined between 18-26 repeats (mean±standard, 18.35±3.3).

Conclusion: According to the results of this study, no significant differences were found between the two groups of healthy women and women with endometriosis. The number of CAG repeats in each group was determined between 18-26 repeats which indicates a lack of relationship between CAG repeat diversity and endometriosis. According to the information, this study was conducted on patients with endometriosis in iran for the first time, although studies with larger sample are needed.



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