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RISS 인기검색어
- 검색키워드
- 저자 : Fatemeh Amiri (검색결과 7 건)
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Ghaem, Haleh,Amiri, Zahra,Kianpour, Fatemeh,Rezaianzadeh, Abbas,Hosseini, Seyed Vahid,Khazraei, Hajar Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.7
Background: The goal of this study was to compare the rate of recurrence and occurrence of complications in colorectal cancer patients after two kinds of laparoscopy and laparotomy. Materials and Methods: A follow-up study was carried out among 358 patients who suffered from colorectal cancer from 2012-2014. The data were gathered from colorectal research center in Shiraz, Shahid Faghihi hospital, and analyzed using the chi-square test, logistic regression, and multinomial regression. Results: The average age of these patients was $56.3{\pm}14.6$, 55.0% being men. Moreover, 57.8% of them underwent laparoscopy surgery and 42.2% of the patients underwent laparotomysurgery and the conversion rate was 58.0% which ultimately was put under the category of laparotomy surgery. After biennial median follow-up, differences in the occurrence of complications such as bleeding (hemorrhage), fever, intestine blockage and wound infection in these two kinds of surgery werestatistically significant (P<0.05). However, the rate of recurrence and the patients' ultimate status (alive without disease, alive with disease, and death) did not significantly differ between these two surgery groups. Conclusions: Post-operation complications were laparoscopy surgery were less than those in laparotomy. However, the outcomes such as patients' ultimate status and recurrence were similar between the two groups.
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Use of stem cells in bone regeneration in cleft palate patients: review and recommendations
Mohammad Amin Amiri,Fatemeh Lavaee,Hossein Danesteh 대한구강악안면외과학회 2022 대한구강악안면외과학회지 Vol.48 No.2
This study was conducted to review the efficacy of different sources of stem cells in bone regeneration of cleft palate patients. The majority of previous studies focused on the transplantation of bone marrow mesenchymal stem cells. However, other sources of stem cells have also gained considerable attention, and dental stem cells have shown especially favorable outcomes. Additionally, approaches that apply the co-culture and co-transplantation of stem cells have shown promising results. The use of different types of stem cells, based on their accessibility and efficacy in bone regeneration, is a promising method in cleft palate bone regeneration. In this regard, dental stem cells may be an ideal choice due to their efficacy and accessibility. In conclusion, stem cells, despite the lengthy procedures required for culture and preparation, are a suitable alternative to conventional bone grafting techniques.
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Protective Effects of Auraptene against Free Radical-Induced Erythrocytes Damage
Jamialahmadi Khadijeh,Amiri Amir Hossein,Zahedipour Fatemeh,Faraji Fahimeh,Karimi Gholamreza 대한약침학회 2022 Journal of pharmacopuncture Vol.25 No.4
Objectives: Auraptene is the most abundant natural prenyloxycoumarin. Recent studies have shown that it has multiple biological and therapeutic properties, including antioxidant properties. Erythrocytes are constantly subjected to oxidative damage that can affect proteins and lipids within the erythrocyte membrane and lead to some hemoglobinopathies. Due to the lack of sufficient information about the antioxidant effects of auraptene on erythrocytes, this study intended to evaluate the potential of this compound in protecting radical-induced erythrocytes damages. Methods: The antioxidant activity of auraptene was measured based on DPPH and FRAP assays. Notably, oxidative hemolysis of human erythrocytes was used as a model to study the ability of auraptene to protect biological membranes from free radical-induced damage. Also, the effects of auraptene in different concentrations (25-400 µM) on AAPHinduced lipid/protein peroxidation, glutathione (GSH) content and morphological changes of erythrocytes were determined. Results: Oxidative hemolysis and lipid/protein peroxidation of erythrocytes were significantly suppressed by auraptene in a time and concentration-dependent manner. Auraptene prevented the depletion of the cytosolic antioxidant GSH in erythrocytes. Furthermore, it inhibited lipid and protein peroxidation in a time and concentration-dependent manner. Likewise, FESEM results demonstrated that auraptene reduced AAPH-induced morphological changes in erythrocytes. Conclusion: Auraptene efficiently protects human erythrocytes against free radicals. Therefore, it can be a potent candidate for treating oxidative stress-related diseases.
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Mehrorang Ghaedi,Javad Tashkhourian,Arezoo Amiri Pebdani,Batol Sadeghian,Fatemeh Nami Ana 한국화학공학회 2011 Korean Journal of Chemical Engineering Vol.28 No.12
The proposed research describes the synthesis and characterization of platinum nanoparticles loaded on activated carbon (Pt-NP-AC) and its efficient application as novel adsorbent for efficient removal of reactive orange 12 (RO-12). The influences of effective parameters following the optimization of variables on removal percentages,their value was set as 0.015 g Pt-NP-AC, pH 1, contact time of 13 min. At optimum values of all variables at 25 and 50 mgL−1 of RO-12 enthalpy (ΔH0) and entropy (ΔS0) changes was found to be 59.89 and 225.076, respectively, which negative value of ΔG0 shows a spontaneous nature, and the positive values of ΔH0 and ΔS0 indicate the endothermic nature and adsorption organized of dye molecule on the adsorbent surface. Experimental data was fitted to different kinetic models including first-order, pseudo-second-order, Elovich and intra-particle diffusion models, and it was seen that the adsorption process follows pseudo-second-order model in consideration to intra-particle diffusion mechanism. At optimum values of all variables, the adsorption process follows the second-order kinetic and Langmuir isotherm model with adsorption capacity 285.143 mg g−1 at room temperature.
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Sedigheh Molaei,Mehryar Habibi Roudkenar,Fatemeh Amiri,Mozhgan Dehghan Harati,Marzie Bahadori,Fatemeh Jaleh,Mohammad Ali Jalili,Amaneh Mohammadi Roushandeh 대한혈액학회 2015 Blood Research Vol.50 No.2
Background Mesenchymal stem cells (MSCs) are valuable for cell-based therapy. However, their applicationis limited owing to their low survival rate when exposed to stressful conditions. Autophagy, the process by which cells recycle the cytoplasm and dispose of defectiveorganelles, is activated by stress stimuli to adapt, tolerate adverse conditions, or triggerthe apoptotic machinery. This study aimed to determine whether regulation of autophagywould affect the survival of MSCs under stress conditions. Methods Autophagy was induced in bone marrow-derived MSCs (BM-MSCs) by rapamycin, andwas inhibited via shRNA-mediated knockdown of the autophagy specific gene, ATG7. ATG7 expression in BM-MSCs was evaluated by reverse transcription polymerase chainreaction (RT-PCR), western blot, and quantitative PCR (qPCR). Cells were then exposedto harsh microenvironments, and a water-soluble tetrazolium salt (WST)-1 assay was performedto determine the cytotoxic effects of the stressful conditions on cells. Results Of 4 specific ATG7-inhibitor clones analyzed, only shRNA clone 3 decreased ATG7expression. Under normal conditions, the induction of autophagy slightly increased theviability of MSCs while autophagy inhibition decreased their viability. However, understressful conditions such as hypoxia, serum deprivation, and oxidative stress, the inductionof autophagy resulted in cell death, while its inhibition potentiated MSCs to withstandthe stress conditions. The viability of autophagy-suppressed MSCs was significantlyhigher than that of relevant controls (P<0.05, P<0.01 and P<0.001). Conclusion Autophagy modulation in MSCs can be proposed as a new strategy to improve their survivalrate in stressful microenvironments.
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Sedigheh Molaei,Mehryar Habibi Roudkenar,Fatemeh Amiri,Mozhgan Dehghan Harati,Marzie Bahadori,Fatemeh Jaleh,Mohammad Ali Jalili,Amaneh Mohammadi Roushandeh 대한혈액학회 2015 Blood Research Vol.50 No.2
Background Mesenchymal stem cells (MSCs) are valuable for cell-based therapy. However, their applicationis limited owing to their low survival rate when exposed to stressful conditions. Autophagy, the process by which cells recycle the cytoplasm and dispose of defectiveorganelles, is activated by stress stimuli to adapt, tolerate adverse conditions, or triggerthe apoptotic machinery. This study aimed to determine whether regulation of autophagywould affect the survival of MSCs under stress conditions. Methods Autophagy was induced in bone marrow-derived MSCs (BM-MSCs) by rapamycin, andwas inhibited via shRNA-mediated knockdown of the autophagy specific gene, ATG7. ATG7 expression in BM-MSCs was evaluated by reverse transcription polymerase chainreaction (RT-PCR), western blot, and quantitative PCR (qPCR). Cells were then exposedto harsh microenvironments, and a water-soluble tetrazolium salt (WST)-1 assay was performedto determine the cytotoxic effects of the stressful conditions on cells. Results Of 4 specific ATG7-inhibitor clones analyzed, only shRNA clone 3 decreased ATG7expression. Under normal conditions, the induction of autophagy slightly increased theviability of MSCs while autophagy inhibition decreased their viability. However, understressful conditions such as hypoxia, serum deprivation, and oxidative stress, the inductionof autophagy resulted in cell death, while its inhibition potentiated MSCs to withstandthe stress conditions. The viability of autophagy-suppressed MSCs was significantlyhigher than that of relevant controls (P<0.05, P<0.01 and P<0.001). Conclusion Autophagy modulation in MSCs can be proposed as a new strategy to improve their survivalrate in stressful microenvironments.
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Setayesh Mohammad,Karimi Mehrdad,Zargaran Arman,Abousaidi Hamid,Shahesmaeili Armita,Amiri Fatemeh,Sadat Hasheminasab Fatemeh 한국한의학연구원 2022 Integrative Medicine Research Vol.11 No.3
Background: The global attention to the capacities of traditional medicine for alleviating the clinical man-ifestations of COVID-19 has been growing. The present trial aimed to evaluate the efficacy and safety of a Persian herbal medicine formula among patients with COVID-19. Methods: The present trial was conducted in Afzalipour hospital, Kerman, Iran, from June to September 2020. Hospitalized COVID-19 patients were randomly divided into intervention (Persian herbal medicine formula + routine treatment) or control (only routine treatment) groups. The intervention group received both capsule number 1 and 2 every 8 hours for 7 days. Capsule number 1 contained extract of the Gly-cyrrhiza glabra, Punica granatum, and Rheum palmatum, and the second capsule was filled by Nigella sativa powder. Participants were followed up to 7 days. The primary outcome was the number of hospitaliza-tion days, while cough, fever, and respiratory rate, days on oxygen (O2) therapy, and mortality rate were considered as the secondary outcomes. Results: Eighty-two patients were enrolled to the study, while 79 cases completed the trial and their data were analyzed (mean age: 59.1 ± 17.1 years). Based on the results, the Persian medicine formula decreased the mean hospitalization days, so that the mean difference of length of hospitalization as pri-mary outcome was 2.95 ± 0.43 days. A significant clinical improvement was observed regarding dyspnea, need for O2) therapy, and respiratory rate in the intervention group. No adverse effects were reported. Conclusion: The present study supported the use of the Persian medicine formula as an adjuvant therapy for hospitalized COVID-19 patients. Background: The global attention to the capacities of traditional medicine for alleviating the clinical man-ifestations of COVID-19 has been growing. The present trial aimed to evaluate the efficacy and safety of a Persian herbal medicine formula among patients with COVID-19. Methods: The present trial was conducted in Afzalipour hospital, Kerman, Iran, from June to September 2020. Hospitalized COVID-19 patients were randomly divided into intervention (Persian herbal medicine formula + routine treatment) or control (only routine treatment) groups. The intervention group received both capsule number 1 and 2 every 8 hours for 7 days. Capsule number 1 contained extract of the Gly-cyrrhiza glabra, Punica granatum, and Rheum palmatum, and the second capsule was filled by Nigella sativa powder. Participants were followed up to 7 days. The primary outcome was the number of hospitaliza-tion days, while cough, fever, and respiratory rate, days on oxygen (O2) therapy, and mortality rate were considered as the secondary outcomes. Results: Eighty-two patients were enrolled to the study, while 79 cases completed the trial and their data were analyzed (mean age: 59.1 ± 17.1 years). Based on the results, the Persian medicine formula decreased the mean hospitalization days, so that the mean difference of length of hospitalization as pri-mary outcome was 2.95 ± 0.43 days. A significant clinical improvement was observed regarding dyspnea, need for O2) therapy, and respiratory rate in the intervention group. No adverse effects were reported. Conclusion: The present study supported the use of the Persian medicine formula as an adjuvant therapy for hospitalized COVID-19 patients.
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