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RISS 인기검색어
- 검색키워드
- 저자 : Mahin Nikougoftar (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
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( Yahya Pasdar ),( Farhad Oubari ),( Mahin Nikougoftar Zarif ),( Mehrnaz Abbasi ),( Azizollah Pourmahmoudi ),( Mahboobe Hosseinikia ) 한국임상영양학회 2020 Clinical Nutrition Research Vol.9 No.1
Non-alcoholic fatty liver disease (NAFLD) is the most common liver disease which has become a public health concern. Since oxidative stress plays a crucial role in the pathogenesis of NAFLD, subsequent hematological disorders are expected. Therefore, antioxidant compounds such as quercetin could ameliorate the related side-effect of oxidative stress. The aim of the current study was to assess the effect of quercetin on hematological parameters in NAFLD patients. A randomized, double-blind, placebo-controlled trial was conducted as a pilot study. In this study 90 patients with NAFLD were supplemented with either a quercetin or a placebo capsule twice daily (500 mg) for 12 weeks. Blood sample was obtained for laboratory parameters at baseline and the end of week 12. End of trial values for red blood cell (RBC; p = 0.002), mean corpuscular hemoglobin concentration (p = 0.029), and mean platelet volume (p = 0.017), significantly increased and the levels of mean corpuscular volume (MCV; p = 0.023), RBC distribution width-coefficient of variation (p = 0.005), platelet distribution width (p = 0.015), and ferritin (p = 0.002) significantly decreased compared to the baseline in group receiving quercetin. Between group analysis revealed that RBC significantly increased (p = 0.025) but, mean corpuscular volume (p = 0.004), mean corpuscular hemoglobin (MCH; p = 0.002), and ferritin (p = 0.013) significantly decreased compared to placebo group. In this work quercetin showed significant effect on RBC, ferritin, MCV, and MCH in intervention group.
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Moharram Ahmadnejad,Naser Amirizadeh,Roya Mehrasa,Ahmad Karkhah,Mahin Nikougoftar,Arezoo Oodi 대한혈액학회 2017 Blood Research Vol.52 No.1
Background: Mesenchymal stem cells (MSCs) play an important role in hematopoietic stem cell (HSC) maintenance, proliferation, and apoptosis. DNA methyltransferase 1 (DNMT1) is consid-ered an essential factor in the maintenance of HSCs in mammalian cells. Therefore, this study was conducted to evaluate the mRNA expression level of DNMT1 during cord blood (CB)-HSC ex vivo expansion with MSCs. Methods: Ex vivo cultures of CB-HSCs were performed in three culture conditions for 7 days: cyto-kines, cytokines with MSCs, and only MSCs. Total and viable cell numbers were counted after 5 and 7 days using trypan blue stain, and the stem cell percentage was then evaluated by flow cytometry. Moreover, in vitro colony-forming unit assay was carried out to detect clonogenic potential of HSCs at days 0 and 7 using MethoCult H4434. Finally, DNMT1 mRNA expression level was evaluated by real-time polymerase chain reaction. Results: Maximum CB-CD34+ cell expansion was observed on day 7 in all the three cultures. After 7 days, ex vivo expansion of CB-CD34+ cells indicated a significant decrease in DNMT1 expression in the cytokine cultures, whereas in the two co-culture conditions DNMT1 ex-pression was increased. A significant difference between the number of CD34+ and CD34−cells in the cytokine co-culture system was observed. Conclusion: These data indicated that an elevated expression of DNMT1 is associated with increased expansion and proliferation of HSCs co-cultured with human MSCs. Hence, DNMT1 may be a potential factor in the maintenance of expanded HSCs co-cultured with human MSCs.
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Moharram Ahmadnejad,Naser Amirizadeh,Roya Mehrasa,Ahmad Karkhah,Mahin Nikougoftar,Arezoo Oodi 대한혈액학회 2017 Blood Research Vol.52 No.1
Background: Mesenchymal stem cells (MSCs) play an important role in hematopoietic stem cell (HSC) maintenance, proliferation, and apoptosis. DNA methyltransferase 1 (DNMT1) is consid-ered an essential factor in the maintenance of HSCs in mammalian cells. Therefore, this study was conducted to evaluate the mRNA expression level of DNMT1 during cord blood (CB)-HSC ex vivo expansion with MSCs. Methods: Ex vivo cultures of CB-HSCs were performed in three culture conditions for 7 days: cyto-kines, cytokines with MSCs, and only MSCs. Total and viable cell numbers were counted after 5 and 7 days using trypan blue stain, and the stem cell percentage was then evaluated by flow cytometry. Moreover, in vitro colony-forming unit assay was carried out to detect clonogenic potential of HSCs at days 0 and 7 using MethoCult H4434. Finally, DNMT1 mRNA expression level was evaluated by real-time polymerase chain reaction. Results: Maximum CB-CD34+ cell expansion was observed on day 7 in all the three cultures. After 7 days, ex vivo expansion of CB-CD34+ cells indicated a significant decrease in DNMT1 expression in the cytokine cultures, whereas in the two co-culture conditions DNMT1 ex-pression was increased. A significant difference between the number of CD34+ and CD34−cells in the cytokine co-culture system was observed. Conclusion: These data indicated that an elevated expression of DNMT1 is associated with increased expansion and proliferation of HSCs co-cultured with human MSCs. Hence, DNMT1 may be a potential factor in the maintenance of expanded HSCs co-cultured with human MSCs.
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