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Alishahi, Ailin,Roshan, Valiollah Dabidi,Hedayyati, Mehdi Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.12
Aims: To examine the pretreatment effects of regular aerobic training on the IGF system (IGF-I, IGFBP-3 and IGF/IGFBP) and doxorubicin(DOX) induced hepatotoxicity in rats. Materials and Methods: Forty-eight male rats were divided into groups:(1) control+placebo (2) $control+DOX_{10}mg{\cdot}kg^{-1}$ (3) $control+DOX_{20}mg{\cdot}kg^{-1}$ (4) training+placebo (5) $training+DOX_{10}mg{\cdot}kg^{-1}$ (6) $training+DOX_{20}mg{\cdot}kg^{-1}$. Hepatotoxicity was induced by DOX with dosages of 10 and 20 $mg{\cdot}kg^{-1}$. The rats in groups 4, 5 and 6 performed treadmill running of 25-54 min/day and 15-20 m/min, 5 days/wk for 6 wks. At the end of the aerobic training protocol, rats in the 1 and 4 groups, in the 2 and 5 groups and in the 3 and 6 groups received saline solution, $DOX_{10}mg{\cdot}kg^{-1}$ and $DOX_{20}mg{\cdot}kg^{-1}$, respectively. Results: Administration of $DOX_{20}mg{\cdot}kg^{-1}$ caused a significant increase in IGF-1 and IGF-1/IGFBP-3, an insignificant decrease in IGFBP-3, as compared to the control+placebo group. However, after six weeks of aerobic training and DOX treatment with $10mg{\cdot}kg^{-1}$ and or/ $20mg{\cdot}kg^{-1}$ an insignificant decrease in IGF-1, an insignificant increase in IGFBP-3 and a significant decrease in IGF-1/IGFBP-3 were detected, in comparison to $C+DOX_{10}$ and $C+DOX_{20}$. Conclusions: Hepatotoxicity of doxorubicin is dose-dependent and pretreatment with regular aerobic training may improve DOX-induced hepatotoxicity by up-regulation of IGFBP3.
Karami, Esmaeil,Alishahi, Mojtaba,Molayemraftar, Taravat,Ghorbanpour, Masoud,Tabandeh, Mohammad Reza,Mohammadian, Takavar The Korean Society of Fisheries and Aquatic Scienc 2019 Fisheries and Aquatic Sciences Vol.22 No.10
Background: Lactococcus garvieae is one of the most important risk factors in the rainbow trout culture. Therefore, the purpose of this study was to identify and detect strains isolated from rainbow trout suspected of having Lactococcus garvieae using biochemical characteristics and PCR and determination of the degree of severity of isolated strains. Methods: In this study, the cause of lactococcosis in selected rainbow trout farms in Kohkilooieh and Boyerahmad province was assayed. Gram-positive and catalase-negative bacterial isolates were first obtained from selected trout fish farms using conventional biochemical tests and PCR assay. The 10-day LD<sub>50</sub> method (concentration causing 50% mortality in 10 days) was used to determine the severity of the isolated bacteria. Results: One bacterial isolate was detected from all sampled fish which confirmed as Lactococcus garvieae using a specific PCR assay based on the 16S rDNA gene by producing a single band of 1107 bp. Analysis of the rate of mortality showed that the 10-day LD<sub>50</sub> was 4.6 × 10<sup>5</sup> CFU/fish. The results of this study showed that isolated bacteria had high severity for rainbow trout. The presence of bacteria in internal organs of suspected fish showed a severe systemic infection in challenged fish. Antibiogram assay also indicated that the isolated Lactococcus garvieae were resistant to some mostly used antibiotics in rainbow trout. Conclusions: According to current research, it can be concluded that the condition of lactococcosis in the studied area is not suitable, and despite the presence of disease, there is no proper action to control and prevent the disease. Unfortunately, isolated bacteria from the studied area have a very high severity compared to bacteria isolated from other regions of the country or other countries. Therefore, further investigation is needed to determine the cause of this difference and possibly in the design of the vaccine.
Esmaeil Karami,Mojtaba Alishahi,Taravat Molayemraftar,Masoud Ghorbanpour,Mohammad Reza Tabandeh,Takavar Mohammadian 한국수산과학회 2019 Fisheries and Aquatic Sciences Vol.22 No.4
Background: Lactococcus garvieae is one of the most important risk factors in the rainbow trout culture. Therefore, the purpose of this study was to identify and detect strains isolated from rainbow trout suspected of having Lactococcus garvieae using biochemical characteristics and PCR and determination of the degree of severity of isolated strains. Methods: In this study, the cause of lactococcosis in selected rainbow trout farms in Kohkilooieh and Boyerahmad province was assayed. Gram-positive and catalase-negative bacterial isolates were first obtained from selected trout fish farms using conventional biochemical tests and PCR assay. The 10-day LD50 method (concentration causing 50% mortality in 10 days) was used to determine the severity of the isolated bacteria. Results: One bacterial isolate was detected from all sampled fish which confirmed as Lactococcus garvieae using a specific PCR assay based on the 16S rDNA gene by producing a single band of 1107 bp. Analysis of the rate of mortality showed that the 10-day LD50 was 4.6 × 105 CFU/fish. The results of this study showed that isolated bacteria had high severity for rainbow trout. The presence of bacteria in internal organs of suspected fish showed a severe systemic infection in challenged fish. Antibiogram assay also indicated that the isolated Lactococcus garvieae were resistant to some mostly used antibiotics in rainbow trout. Conclusions: According to current research, it can be concluded that the condition of lactococcosis in the studied area is not suitable, and despite the presence of disease, there is no proper action to control and prevent the disease. Unfortunately, isolated bacteria from the studied area have a very high severity compared to bacteria isolated from other regions of the country or other countries. Therefore, further investigation is needed to determine the cause of this difference and possibly in the design of the vaccine.
Hossein Naeimi,Nasrin Alishahi 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
A versatile and high yielding procedure for the direct generation of 2-substituted benzimidazoles from onitroaniline and aryl aldehydes in the presence of sodium dithionite as reducing agent under microwave irradiation is described. The obtained products were confirmed by physical and spectroscopic data such as IR, 1H NMR and 13C NMR. This procedure has a lot of advantages including; excellent yields of products, short reaction times, mild reaction conditions, easy work-up and other noteworthy advantages which make this method a valid contribution to the existing methodologies.
Gastrointestinal Bleeding and Endoscopic Outcomes in Patients with SARS-CoV-2
Faruq Pradhan,Yasmin Alishahi 대한소화기내시경학회 2021 Clinical Endoscopy Vol.54 No.3
Over the past year, the novel coronavirus has been a topic of significant research. Multiple gastroenterological symptoms havebeen associated with this infection, in addition to the well-established pulmonary presentations. Gastrointestinal bleeding can be acomplication of infection by severe acute respiratory syndrome coronavirus-2, which can be exacerbated by the anticoagulants usedto treat its thrombotic sequelae. We describe the clinical cases of four patients infected with the novel coronavirus, with significantupper gastrointestinal bleeding requiring endoscopic visualization, along with their clinical outcomes.
M.R. Ayatollahi,A.R. Naeemi,E. Alishahi 국제구조공학회 2015 Structural Engineering and Mechanics, An Int'l Jou Vol.56 No.2
The impact behavior of epoxy-based nanocomposites reinforced with carbon nano tube (CNT), carbon nano fiber (CNF) and mixed contents of these nanoparticles was investigated using Izod impact test. The results showed that while the impact strength of nanocomposites containing 1 wt% of CNT and 1 wt% of CNF increased 19% and 13% respectively, addition of mixed contents of these nanofillers (0.5-0.5 wt%) demonstrated higher improvement (21%) in the impact resistance. The trend of the results is explained on the basis of different fracture mechanisms of nanocomposites. Furthermore, the fracture surface of specimens and the dispersion state of nanoenhancers have been studied using scanning electron microscopy (SEM) photographs.
Melanoma in Iran: a Retrospective 10-Year Study
Ferdosi, Samira,Saffari, Mojtaba,Eskandarieh, Sharareh,Alishahi, Raziyeh,Moghaddam, Mahsa Ghaffari,Ghanadan, Alireza,Shirkoohi, Reza Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.6
Background: Melanoma, the most life-threatening type of skin cancer, is a malignant tumor initiating in melanocytes that rapidly metastasizes and causes death. Materials and Methods: In this retrospective study, samples were selected from patients' information files in our Cancer Institute in Tehran with a designed checklist. A total of 322 files were found from 2003 until 2012. Then the raw data were transferred to Statistical Package for Social Sciences (SPSS) software version 16 and additional analysis was performed by Students t-test. The important variables were considered according to the available information from history of pathology including age, gender, occupation, stage and location of tumor. Results: Our data showed that incidence of melanoma has been different in the studied 10-year period according to age. Also, incidence of melanoma was higher in men than women. It was more common in lower limbs. More commonly housewives among women and farmers among men were affected by melanoma. Conclusions: Taken together the descriptive data clarified general aspects of this disease for further screening and interventions.