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首页> 外文期刊>Cell and tissue banking: An international journal of banking, engineering & transplantation of cells and tissues >Effect of gamma radiation on the expression of mRNA growth factors in glycerol cryopreserved human amniotic membrane
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Effect of gamma radiation on the expression of mRNA growth factors in glycerol cryopreserved human amniotic membrane

机译:γ射线对甘油低温保存的人羊膜mRNA生长因子表达的影响

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Human amniotic membrane (HAM) due to its high biocompatibility, low immunogenicity, anti-microbial, anti-viral properties as well as the presence of growth factors has been used in various clinical applications. The growth factors play an important role in wound healing. The current study aimed to explore the effect of 15 kGy gamma radiation dose on selected growth factors and receptors mRNA present in HAM. Eight growth factors, namely, EGF, HGF, KGF, TGF-alpha, TGF-beta 1, TGF-beta 2, TGF-beta 3 and bFGF and two growth factor receptors, HGFR and KGFR were evaluated in this study. The total RNA was extracted and converted to complimentary DNA using commercial kits. Subsequently, the mRNA expressions of these growth factors were evaluated using real-time PCR and the results were statistically analyzed using REST-MCS software. This study confirmed the presence of these mRNA growth factors and receptors in fresh, glycerol cryopreserved and irradiated glycerol cryopreserved HAM. In glycerol cryopreserved HAM, the results showed up-regulation of HGF and bFGF and down-regulation of EGF, HGFR, KGF, KGFR, TGF-alpha, TGF-beta 1, TGF-beta 2 and TGF-beta 3 relative to the fresh HAM which acted as the control, whereas in irradiated glycerol cryopreserved HAM, the results showed up-regulation of EGF, HGF, KGF, KGFR, TGF-beta 1, TGF-beta 2 and TGF-beta 3 and down-regulation of HGFR, TGF-alpha and bFGF relative to the glycerol cryopreserved HAM which acted as the control. However, these mRNA expressions did not show any statistical significant difference compared to the control groups. This study concluded that a dose of 15 kGy of gamma radiation did not affect the mRNA expression for the growth factors' and receptors' in the glycerol cryopreserved HAM.
机译:人羊膜(HAM)由于其高生物相容性,低免疫原性,抗微生物,抗病毒特性以及生长因子的存在已被用于各种临床应用中。生长因子在伤口愈合中起重要作用。当前的研究旨在探讨15 kGyγ射线辐射剂量对HAM中存在的选定生长因子和受体mRNA的影响。在这项研究中评估了八个生长因子,即EGF,HGF,KGF,TGF-alpha,TGF-beta 1,TGF-beta 2,TGF-beta 3和bFGF,以及两个生长因子受体HGFR和KGFR。提取总RNA,并使用商业试剂盒将其转化为互补的DNA。随后,使用实时PCR评估这些生长因子的mRNA表达,并使用REST-MCS软件对结果进行统计分析。这项研究证实了在新鲜的甘油冷冻保存和辐照的甘油冷冻保存的HAM中这些mRNA生长因子和受体的存在。在甘油低温保存的HAM中,相对于新鲜的结果,结果显示HGF和bFGF的上调以及EGF,HGFR,KGF,KGFR,TGF-alpha,TGF-beta 1,TGF-beta 2和TGF-beta 3的下调HAM作为对照,而在经甘油冷冻保存的HAM中,结果显示EGF,HGF,KGF,KGFR,TGF-beta 1,TGF-beta 2和TGF-beta 3上调,而HGFR下调, TGF-α和bFGF相对于甘油冷冻保存的HAM(作为对照)。然而,与对照组相比,这些mRNA表达没有显示任何统计学上的显着差异。这项研究得出的结论是,γ射线15 kGy剂量不会影响甘油冷冻保存的HAM中生长因子和受体的mRNA表达。

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