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RISS 인기검색어
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- 저자 : Zeying (검색결과 3 건)
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Zeying Chu,Guanqun Ma,Xiangjun Sun,Zhihan Xu,Jianhua Zhang 한국식품영양과학회 2020 Journal of medicinal food Vol.23 No.5
Aging can cause retinal degeneration, which leads to visual impairment among the elderly population. Age-dependent increases in amyloid beta (Aβ) inducesinflammatory cytokine overexpression in the retinal pigment epithelium (RPE), which promotes the progression of age-related retinal degeneration. However, whether dietary antioxidants are useful for the treatment of RPE degeneration remains to be clarified. This study exposited the protective activities and underlying mechanisms of grape seed extracts (GSEs) against Aβ-induced proinflammatory events in mouse retinas and ARPE-19 cells. The experimental data demonstrated that GSEs attenuated the increases in messenger RNA (mRNA) levels of interleukin 12 (IL-12), interleukin 6 (IL-6), interleukin 1β (IL-1β), and interleukin 18 (IL-18) in the retinal tissues of Aβ-treated mice. The experimental results in mice were confirmed by findings in ARPE-19 cells with or without treatment with GSEs. GSEs affected the protein expression levels of endoplasmic reticulum stress markers in ARPE-19 cells exposed to Aβ. Knockdown of Bip blocked the inhibitory activities of GSEs on mRNA levels of IL-6, IL-1β, IL-18, and IL-8. We conclude that GSEs may suppress proinflammatory cytokines partly by increasing the expression of Bip.
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Han Zhang,Qi Zhang,Tingting Gao,Yixi Kong,Zeying Qin,Yueyang Hu,Ruilin Cao,Songli Mei 대한신경정신의학회 2019 PSYCHIATRY INVESTIGATION Vol.16 No.5
Objective: This study aims to examine the parallel multiple mediators of depressive symptoms and sleep quality in the relations between stress and physical health-related quality of life (PHQOL)/mental health-related quality of life (MHQOL) among the women in late pregnancy. Methods: Of 1120 pregnant women participated in the cross-sectional study which consisted of Perceived Stress Scale, Edinburgh Postnatal Depression Scale, Pittsburgh Sleep Quality Index and MOS 12-item Short Form Health Survey. Parallel multiple mediator models were used to analyze the relations between stress, depressive symptoms, sleep quality and PHQOL/MHQOL. Results: The effect of perceived stress on PHQOL was partially through the indirect path of sleep quality (β=-0.061). But in the model for MHQOL, depressive symptoms and sleep quality played parallel mediators, and the indirect path effect of depressive symptoms (β=-0.179) was higher than sleep quality (β=-0.029). Conclusion: The findings contributed to the understanding about the influential mechanism of stress on PHQOL/MHQOL. And it reminded the importance of sleep quality and depressive symptoms for improving QOL in late pregnancy.
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Yin Ronghuan,Yin Ronglan,Bai Man,Fan Yixing,Wang Zeying,Zhu Yubo,Zhang Qi,Hui Taiyu,Shen Jincheng,Feng Siyu,Bai Wenlin 아세아·태평양축산학회 2023 Animal Bioscience Vol.36 No.4
Objective: The objective of this study was to investigate the effects of N6-Methyladenosine modification-circRNA-zinc finger protein 638 (m6A-circRNA-ZNF638) on the induced activation of secondary hair follicle (SHF) stem cells with its potential mechanisms in cashmere goats. Methods: The m6A modification of ZNF638 was analyzed using methylation immunoprecipitation with real-time quantitative polymerase chain reaction technique in SHF stem cells. The effects of circRNA-ZNF638 on the induced activation of SHF stem cells in m6A dependence were evaluated through the overexpression of circRNA-ZNF638/its m6Adeficient mutants in circRNA-ZNF638 knockdown SHF stem cells. The competitive binding of miR-361-5p to circRNA-ZNF638/Wnt5a 3′- untranslated region was analyzed through Dual-luciferase reporter assay. Results: The m6A-circRNA-ZNF638 had significantly higher transcription at anagen SHF bulge of cashmere goats compared with that at telogen, as well as it positively regulated the induced activation of SHF-stem cells in cashmere goats. Mechanismly, m6A-circRNA-ZNF638 sponged miR-361-5p to heighten the transcriptional expression of Wnt5a gene in SHFstem cells. We further demonstrated that the internal m6A modification within circRNAZNF638 is required for mediating the miR-361-5p/Wnt5a pathway to regulate the induced activation of SHF stem cells through an introducing of m6A-deficient mutant of circRNAZNF638. Conclusion: The circRNA-ZNF638 contributes the proper induced activation of SHF-stem cells in cashmere goats in m6A-dependent manner through miR-361-5p/Wnt5a axis.
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