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Emodin suppresses alkali burn-induced corneal inflammation and neovascularization by the vascular endothelial growth factor receptor 2 signaling pathway SCIE CSCD
期刊论文 | 2024 , 44 (2) , 268-276 | JOURNAL OF TRADITIONAL CHINESE MEDICINE
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OBJECTIVE: To investigate the effects of emodin on alkali burn -induced corneal inflammation and neovascularization. METHODS: The ability of emodin to target vascular endothelial growth factor receptor 2 (VEGFR2) was predicted by molecular docking. The effects of emodin on the invasion, migration, and proliferation of human umbilical vein endothelial cells (HUVEC) were determined by cell counting kit -8, Transwell, and tube formation assays. Analysis of apoptosis was performed by flow cytometry. CD31 levels were examined by immunofluorescence. The abundance and phosphorylation state of VEGFR2, protein kinase B (Akt), signal transducer and activator of transcription 3 (STAT3), and P38 were examined by immunoblot analysis. Corneal alkali burn was performed on 40 mice. Animals were divided randomly into two groups, and the alkali -burned eyes were then treated with drops of either 10 mu M emodin or phosphate buffered saline (PBS) four times a day. Slit - lamp microscopy was used to evaluate inflammation and corneal neovascularization (CNV) in all eyes on Days 0, 7, 10, and 14. The mice were killed humanely 14 d after the alkali burn, and their corneas were removed and preserved at -80 celcius until histological study or protein extraction. RESULTS: Molecular docking confirmed that emodin was able to target VEGFR2. The findings revealed that emodin decreased the invasion, migration, angiogenesis, and proliferation of HUVEC in a dose -dependent manner. In mice, emodin suppressed corneal inflammatory cell infiltration and inhibited the development of corneal neovascularization induced by alkali burn. Compared to those of the PBS -treated group, lower VEGFR2 expression and CD31 levels were found in the emodin- treated group. Emodin dramatically decreased the expression of VEGFR2, p-VEGFR2, p-Akt, p-STAT3, and p -P38 in VEGF-treated HUVEC. CONCLUSION: This study provides a new avenue for evaluating the molecular mechanisms underlying corneal inflammation and neovascularization. Emodin might be a promising new therapeutic option for corneal alkali burns.

Keyword :

alkali burn alkali burn corneal inflammation corneal inflammation corneal neovascularisation corneal neovascularisation emodin emodin signal transduction signal transduction vascular endothelial growth factor receptor-2 vascular endothelial growth factor receptor-2

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GB/T 7714 Zheng, Xueying , Guo, Liang , Lai, Siyi et al. Emodin suppresses alkali burn-induced corneal inflammation and neovascularization by the vascular endothelial growth factor receptor 2 signaling pathway [J]. | JOURNAL OF TRADITIONAL CHINESE MEDICINE , 2024 , 44 (2) : 268-276 .
MLA Zheng, Xueying et al. "Emodin suppresses alkali burn-induced corneal inflammation and neovascularization by the vascular endothelial growth factor receptor 2 signaling pathway" . | JOURNAL OF TRADITIONAL CHINESE MEDICINE 44 . 2 (2024) : 268-276 .
APA Zheng, Xueying , Guo, Liang , Lai, Siyi , Li, Fengyue , Liang, Mingli , Liu, Wanting et al. Emodin suppresses alkali burn-induced corneal inflammation and neovascularization by the vascular endothelial growth factor receptor 2 signaling pathway . | JOURNAL OF TRADITIONAL CHINESE MEDICINE , 2024 , 44 (2) , 268-276 .
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Emodin suppresses alkali burn-induced corneal inflammation and neovascularization by the vascular endothelial growth factor receptor 2 signaling pathway Scopus CSCD
期刊论文 | 2024 , 44 (2) , 268-276 | Journal of Traditional Chinese Medicine
Transcriptomic and metabolomic analysis unveils a negative effect of glutathione metabolism on laccase activity in Cerrena unicolor 87613 SCIE
期刊论文 | 2024 , 12 (2) | MICROBIOLOGY SPECTRUM
WoS CC Cited Count: 1
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The white rot fungus Cerrena unicolor 87613 has been previously shown to be a promising resource in laccase production, an enzyme with significant biotechnological applications. Conventional methods face technical challenges in improving laccase activity. Attempts are still being made to develop novel approaches for further enhancing laccase activity. This study aimed to understand the regulation of laccase activity in C. unicolor 87613 for a better exploration of the novel approach. Transcriptomic and metabolomic analyses were performed to identify key genes and metabolites involved in extracellular laccase activity. The findings indicated a strong correlation between the glutathione metabolism pathway and laccase activity. Subsequently, experimental verifications were conducted by manipulating the pathway using chemical approaches. The additive reduced glutathione (GSH) dose-dependently repressed laccase activity, while the GSH inhibitors (APR-246) and reactive oxygen species (ROS) inducer (H2O2) enhanced laccase activity. Changes in GSH levels could determine the intracellular redox homeostasis in interaction with ROS and partially affect the expression level of laccase genes in C. unicolor 87613 in turn. In addition, GSH synthetase was found to mediate GSH abundance in a feedback loop. This study suggests that laccase activity is negatively influenced by GSH metabolism and provides a theoretical basis for a novel strategy to enhance laccase activity by reprogramming glutathione metabolism at a specific cultivation stage.

Keyword :

Cerrena unicolor Cerrena unicolor glutathione metabolism glutathione metabolism laccase activity laccase activity metabolome metabolome transcriptome transcriptome

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GB/T 7714 Zhang, Long-Bin , Qiu, Ting-Ting , Qiu, Xiu-Gen et al. Transcriptomic and metabolomic analysis unveils a negative effect of glutathione metabolism on laccase activity in Cerrena unicolor 87613 [J]. | MICROBIOLOGY SPECTRUM , 2024 , 12 (2) .
MLA Zhang, Long-Bin et al. "Transcriptomic and metabolomic analysis unveils a negative effect of glutathione metabolism on laccase activity in Cerrena unicolor 87613" . | MICROBIOLOGY SPECTRUM 12 . 2 (2024) .
APA Zhang, Long-Bin , Qiu, Ting-Ting , Qiu, Xiu-Gen , Yang, Wu-Wei-Jie , Ye, Xiu-Yun , Meng, Chun . Transcriptomic and metabolomic analysis unveils a negative effect of glutathione metabolism on laccase activity in Cerrena unicolor 87613 . | MICROBIOLOGY SPECTRUM , 2024 , 12 (2) .
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Transcriptomic and metabolomic analysis unveils a negative effect of glutathione metabolism on laccase activity in Cerrena unicolor 87613 Scopus
期刊论文 | 2024 , 12 (2) | Microbiology Spectrum
益景汤对早期糖尿病视网膜病变大鼠视网膜miRNA表达的影响
期刊论文 | 2024 , 34 (3) , 205-213 | 中国中医眼科杂志
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目的 探究益景汤对早期糖尿病视网膜病变(DR)大鼠视网膜组织中微小RNA(miRNA)表达的影响,筛选出益景汤干预早期DR的靶点miRNA.方法 将20只2月龄雄性SD大鼠使用链脲佐菌素建立糖尿病大鼠模型,随机分为模型组(MG)和益景汤组(YJG),另将常规喂养的大鼠设为对照组(CG),每组10只.YJG组大鼠每日灌胃益景汤12.50 g/kg,CG、MG组大鼠灌胃等体积0.9%氯化钠注射液,均干预16周.给药完成后记录大鼠体质量,摘除双侧眼球剥离视网膜,提取总RNA,PCR扩增构建小RNA文库,采用高通量测序技术对该文库进行测序.对差异miRNA进行靶基因预测,并对靶基因进行基因本体论(GO)、Pathway分析,选择差异倍数较大的miRNA进行PCR验证.结果 (1)已知miRNA差异:筛选出644个已知miRNA,其中差异miRNA共59个.与CG组比较,MG组35个miRNA上调、6 个miRNA下调,YJG组20个miRNA上调、4个miRNA下调;与MG组比较,YJG组6个miRNA上调、13个miRNA下调,差异均有统计学意义(均P<0.05);其中,1个上调miRNA,11个下调miRNA为益景汤干预DM大鼠后,3组共同差异性表达miRNA.(2)新发现miRNA差异:3组筛选出242个新发现的miRNA,其中差异miRNA共105个.与CG组比较,MG组50个miRNA上调,15个miRNA下调;与CG组比较,YJG组55个miRNA上调,20个miRNA下调;与MG组比较,YJG组16个miRNA上调,6个miRNA下调,差异均有统计学意义(均P<0.05).(3)差异miRNA生物学功能和通路:差异基因主要涉及生物学过程方面的多种蛋白的转录调节;靶基因关联的通路主要是肿瘤相关的信号通路和糖脂代谢相关通路.(4)PCR验证:MG组大鼠视网膜miR-673-3p表达低于CG组,余11个miRNA表达均高于CG组;YJG组大鼠视网膜miR-673-3p、miR-23b-5p表达均高于MG组,余10个miRNA表达均低于MG组,差异均有统计学意义(均P<0.05).除miR-23b-5p外,其余11个miRNA与上述RNA检测结果一致.结论 miR-673、miR-1、miR-133、miR-214、miR-23b、miR-31a、miR-451等可能是益景汤干预早期DR微血管损害的靶点miRNA.

Keyword :

miRNA miRNA 益景汤 益景汤 糖尿病视网膜病变 糖尿病视网膜病变 靶点 靶点

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GB/T 7714 王丽 , 邱心悦 , 孟春 et al. 益景汤对早期糖尿病视网膜病变大鼠视网膜miRNA表达的影响 [J]. | 中国中医眼科杂志 , 2024 , 34 (3) : 205-213 .
MLA 王丽 et al. "益景汤对早期糖尿病视网膜病变大鼠视网膜miRNA表达的影响" . | 中国中医眼科杂志 34 . 3 (2024) : 205-213 .
APA 王丽 , 邱心悦 , 孟春 , 刘光辉 . 益景汤对早期糖尿病视网膜病变大鼠视网膜miRNA表达的影响 . | 中国中医眼科杂志 , 2024 , 34 (3) , 205-213 .
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益景汤对早期糖尿病视网膜病变大鼠视网膜miRNA表达的影响
期刊论文 | 2024 , 34 (03) , 205-213 | 中国中医眼科杂志
益景汤调控MMPs/TIMPs相关分子拮抗高糖诱导的iBRB模型基底膜损害
期刊论文 | 2024 , 24 (09) , 1387-1391 | 国际眼科杂志
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目的:观察益景汤拮抗高糖诱导的体外血-视网膜内屏障(iBRB)模型基底膜(BM)损害及机制。方法:分离、培养大鼠内皮细胞(ECs)和视网膜微血管周细胞(RMPs)构建体外iBRB模型,随机分成低糖组、高糖组、米诺环素组、益景汤组,分别予25 mmol/L葡萄糖、60 mmol/L葡萄糖、60 mmol/L葡萄糖+10μg/mL米诺环素、60 mmol/L葡萄糖+10%益景汤含药血清干预,各组干预12 h后终止孵育。采用Western blot法检测各组BM相关蛋白[Ⅳ型胶原(collagenⅣ, CⅣ)、层黏连蛋白(laminin, LN)]及MMPs/TIMPs相关蛋白(MMP-2、MMP-3、MMP-9、TIMP-1、TIMP-2)的表达。结果:与低糖组相比,高糖组、米诺环素组、益景汤组CⅣ蛋白表达增加,高糖组、米诺环素组LN蛋白表达增加(均P<0.05)。益景汤及米诺环素能够抑制高糖诱导的CⅣ、LN蛋白表达增加,益景汤组、米诺环素组与高糖组相比具有差异(均P<0.05)。与低糖组相比,高糖组、米诺环素组MMP-2、MMP-3、MMP-9蛋白表达增加(均P<0.05)。益景汤能够抑制高糖诱导的MMP-2、MMP-3、MMP-9蛋白表达增加,益景汤组与高糖组相比具有差异(均P<0.05)。低糖组、高糖组、米诺环素组、益景汤组各组之间TIMP-1、TIMP-2表达未见明显差异(均P>0.05)。结论:益景汤可能通过调控MMP-2、MMP-3、MMP-9、CⅣ、LN的表达,干预高糖介导的BM重塑,抑制iBRB的损害,从而干预DR。

Keyword :

MMPs/TIMPs MMPs/TIMPs 基底膜 基底膜 益景汤 益景汤 糖尿病视网膜病变 糖尿病视网膜病变 血-视网膜内屏障 血-视网膜内屏障

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GB/T 7714 赖思艺 , 邱心悦 , 何建忠 et al. 益景汤调控MMPs/TIMPs相关分子拮抗高糖诱导的iBRB模型基底膜损害 [J]. | 国际眼科杂志 , 2024 , 24 (09) : 1387-1391 .
MLA 赖思艺 et al. "益景汤调控MMPs/TIMPs相关分子拮抗高糖诱导的iBRB模型基底膜损害" . | 国际眼科杂志 24 . 09 (2024) : 1387-1391 .
APA 赖思艺 , 邱心悦 , 何建忠 , 王航 , 孟春 , 刘光辉 . 益景汤调控MMPs/TIMPs相关分子拮抗高糖诱导的iBRB模型基底膜损害 . | 国际眼科杂志 , 2024 , 24 (09) , 1387-1391 .
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益景汤调控MMPs/TIMPs相关分子拮抗高糖诱导的iBRB模型基底膜损害
期刊论文 | 2024 , 24 (9) , 1387-1391 | 国际眼科杂志
Effects of soluble glycoprotein 130 on expression of p - STAT3 and vascular endothelial growth factor - A in retina of mice with diabetes mellitus; [sgp130 对糖尿病小鼠视网膜 p-STAT3 及 VEGF-A 表达的影响] Scopus
期刊论文 | 2023 , 23 (3) , 375-378 | International Eye Science
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•AIM: To observe the effect of soluble glycoprotein 130 (sgp130) on expression of p - STAT3 and vascular endothelial growth factor (VEGF) - A in retina of mice with diabetes mellitus (DM), and explore the possibility of sgp130 in interfering with inflammatory damage of diabetic retinopathy (DR). •METHODS: A total of 45 mice were randomly divided into normal group, DM group and sgp130 group. DM models were made in DM group and sgp130 group with streptozotocin. No special intervention was given to normal group and DM group, but sgp130 group was given intravitreal injection of 1.5mg/mL sgp130 2μ L at the 1 and 5wk. After 10wk, all the mice were sacrificed to assess the protein expression of interleukin 6 (IL - 6), p - STAT3 and VEGF- A in the retina. • RESULTS: The expressions of IL - 6, p - STAT3 and VEGF- A in retina of DM group were higher than those of normal group at 10wk (all P < 0.01). The expression of p - STAT3 and VEGF - A in sgp130 group were lower than those in DM group (all P< 0.01). • CONCLUSION: The sgp130 can selectively antagonize the trans signal transduction pathway of IL - 6, down - regulate the expression of downstream inflammatory factors VEGF- A, and it may be used in the intervention of retinal inflammatory damage related with IL- 6 in DM. © 2023 International Journal of Ophthalmology (c/o Editorial Office). All rights reserved.

Keyword :

diabetic retinopathy diabetic retinopathy inflammation inflammation interleukin 6 interleukin 6 p - STAT3 p - STAT3 soluble glycoprotein 130(sgp130) soluble glycoprotein 130(sgp130) vascular endothelial growth factor-A(VEGF-A) vascular endothelial growth factor-A(VEGF-A)

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GB/T 7714 Liu, G.-H. , Shi, C.-X. , Hong, Y.-J. et al. Effects of soluble glycoprotein 130 on expression of p - STAT3 and vascular endothelial growth factor - A in retina of mice with diabetes mellitus; [sgp130 对糖尿病小鼠视网膜 p-STAT3 及 VEGF-A 表达的影响] [J]. | International Eye Science , 2023 , 23 (3) : 375-378 .
MLA Liu, G.-H. et al. "Effects of soluble glycoprotein 130 on expression of p - STAT3 and vascular endothelial growth factor - A in retina of mice with diabetes mellitus; [sgp130 对糖尿病小鼠视网膜 p-STAT3 及 VEGF-A 表达的影响]" . | International Eye Science 23 . 3 (2023) : 375-378 .
APA Liu, G.-H. , Shi, C.-X. , Hong, Y.-J. , Zheng, Y.-Z. , Wang, H. , Meng, C. . Effects of soluble glycoprotein 130 on expression of p - STAT3 and vascular endothelial growth factor - A in retina of mice with diabetes mellitus; [sgp130 对糖尿病小鼠视网膜 p-STAT3 及 VEGF-A 表达的影响] . | International Eye Science , 2023 , 23 (3) , 375-378 .
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Synergistic Hydrolysis of Soy Proteins Using Immobilized Proteases: Assessing Peptide Profiles SCIE
期刊论文 | 2023 , 12 (22) | FOODS
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Because of the health benefits and economic opportunities, extracting bioactive peptides from plant proteins, often food processing by-products, garners significant interest. However, the high enzyme costs and the emergence of bitter peptides have posed significant challenges in production. This study achieved the immobilization of Alcalase and Flavorzyme using cost-effective SiO2 microparticles. Mussel-inspired chemistry and biocompatible polymers were employed, with genipin replacing glutaraldehyde for safer crosslinking. This approach yielded an enzyme loading capacity of approximately 25 mg/g support, with specific activity levels reaching around 180 U/mg for immobilized Alcalase (IA) and 35 U/mg for immobilized Flavorzyme (IF). These immobilized proteases exhibited improved activity and stability across a broader pH and temperature range. During the hydrolysis of soy proteins, the use of immobilized proteases avoided the thermal inactivation step, resulting in fewer peptide aggregates. Moreover, this study applied peptidomics and bioinformatics to profile peptides in each hydrolysate and identify bioactive ones. Cascade hydrolysis with IA and IF reduced the presence of bitter peptides by approximately 20%. Additionally, 50% of the identified peptides were predicted to have bioactive properties after in silico digestion simulation. This work offers a cost-effective way of generating bioactive peptides from soy proteins with reducing potential bitterness.

Keyword :

Alcalase Alcalase bioactivity bioactivity bitterness bitterness Flavorzyme Flavorzyme immobilization immobilization peptidomics peptidomics soy proteins soy proteins

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GB/T 7714 Mao, Yuhong , Chen, Lan , Zhang, Luyan et al. Synergistic Hydrolysis of Soy Proteins Using Immobilized Proteases: Assessing Peptide Profiles [J]. | FOODS , 2023 , 12 (22) .
MLA Mao, Yuhong et al. "Synergistic Hydrolysis of Soy Proteins Using Immobilized Proteases: Assessing Peptide Profiles" . | FOODS 12 . 22 (2023) .
APA Mao, Yuhong , Chen, Lan , Zhang, Luyan , Bian, Yangyang , Meng, Chun . Synergistic Hydrolysis of Soy Proteins Using Immobilized Proteases: Assessing Peptide Profiles . | FOODS , 2023 , 12 (22) .
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Synergistic Hydrolysis of Soy Proteins Using Immobilized Proteases: Assessing Peptide Profiles Scopus
期刊论文 | 2023 , 12 (22) | Foods
铁观音茶精油微胶囊化制备及结构表征 PKU
期刊论文 | 2023 , 41 (6) , 40-45,52 | 包装与食品机械
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为提高铁观音茶精油的稳定性,利用喷雾干燥法制备稳定的铁观音茶精油微胶囊.通过单因素和正交试验探究壁材的种类和浓度、芯壁比、包埋温度对微胶囊包埋效果的影响,研究微胶囊的分子结构、微观状态和稳定性等.以明胶、阿拉伯树胶和麦芽糊精为壁材(浓度比为1∶1∶1),在壁材浓度1%(w/v),芯壁比为1∶2(w/w),均质温度为50℃条件下,制得精油微胶囊包埋率为97.12%,产率为62.44%.红外光谱分析结果证实铁观音茶精油被成功包埋;扫描电镜分析结果显示微胶囊囊壁结构相对完整,表面光滑;微胶囊的释放动力研究结果表明微胶囊在4,25℃时达到精油缓慢释放的效果.研究为铁观音茶精油的拓展应用提供理论参考和数据支撑.

Keyword :

壁材 壁材 微胶囊 微胶囊 稳定性 稳定性 结构表征 结构表征 铁观音茶精油 铁观音茶精油

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GB/T 7714 操晓亮 , 薛婉茹 , 庄志雄 et al. 铁观音茶精油微胶囊化制备及结构表征 [J]. | 包装与食品机械 , 2023 , 41 (6) : 40-45,52 .
MLA 操晓亮 et al. "铁观音茶精油微胶囊化制备及结构表征" . | 包装与食品机械 41 . 6 (2023) : 40-45,52 .
APA 操晓亮 , 薛婉茹 , 庄志雄 , 谢李玲 , 叶淑芳 , 孟春 et al. 铁观音茶精油微胶囊化制备及结构表征 . | 包装与食品机械 , 2023 , 41 (6) , 40-45,52 .
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铁观音茶精油微胶囊化制备及结构表征 PKU
期刊论文 | 2023 , 41 (06) , 40-45,52 | 包装与食品机械
sgp130对糖尿病小鼠视网膜p-STAT3及VEGF-A表达的影响
期刊论文 | 2023 , 23 (3) , 375-378 | 国际眼科杂志
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目的:观察可溶性糖蛋白130(sgp130)对糖尿病(DM)小鼠视网膜p-STAT3及VEGF-A表达的影响,探讨sgp130防治糖尿病视网膜病变(DR)炎性损害的可能性.方法:小鼠45只被随机分为正常组、DM组和sgp130组.采用链脲佐菌素对DM组和sgp130组进行DM造模.正常组、DM组不做特殊干预,sgp130组在第1、5wk被给予1.5mg/mL sgp1302μL进行玻璃体腔注射治疗.10wk后处死所有小鼠,检查视网膜组织IL-6、p-STAT3、VEGF-A等蛋白的表达.结果:在第10wk时,DM组视网膜IL-6、p-STAT3、VEGF-A表达较正常组升高(均P<0.01).sgp130组p-STAT3、VEGF-A表达水平较DM组低(均P<0.01).结论:sgp130可以选择性拮抗IL-6反式信号传导通路,下调下游炎性因子VEGF-A的表达,可以用于干预DM引起的IL-6相关性视网膜炎性损害.

Keyword :

p-STAT3 p-STAT3 可溶性糖蛋白130(sgp130) 可溶性糖蛋白130(sgp130) 炎症 炎症 白介素6 白介素6 糖尿病视网膜病变 糖尿病视网膜病变 血管内皮生长因子A(VEGF-A) 血管内皮生长因子A(VEGF-A)

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GB/T 7714 刘光辉 , 史常旋 , 洪雅军 et al. sgp130对糖尿病小鼠视网膜p-STAT3及VEGF-A表达的影响 [J]. | 国际眼科杂志 , 2023 , 23 (3) : 375-378 .
MLA 刘光辉 et al. "sgp130对糖尿病小鼠视网膜p-STAT3及VEGF-A表达的影响" . | 国际眼科杂志 23 . 3 (2023) : 375-378 .
APA 刘光辉 , 史常旋 , 洪雅军 , 郑永征 , 王航 , 孟春 . sgp130对糖尿病小鼠视网膜p-STAT3及VEGF-A表达的影响 . | 国际眼科杂志 , 2023 , 23 (3) , 375-378 .
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sgp130对糖尿病小鼠视网膜p-STAT3及VEGF-A表达的影响
期刊论文 | 2023 , 23 (03) , 375-378 | 国际眼科杂志
sgp130对糖尿病小鼠视网膜p-STAT3及VEGF-A表达的影响
期刊论文 | 2023 , 23 (03) , 375-378 | 国际眼科杂志
外源酶对陈年武夷岩茶香气品质的改善作用
期刊论文 | 2023 , 44 (5) , 155-164 | 食品研究与开发
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Abstract :

为研究外源酶对陈年武夷岩茶挥发性成分的影响,运用气相色谱-质谱联用技术(gas chromatography-mass spectrometry,GC-MS)、感官评价和香气活性值(odor activity value,OAV)方法对酶处理后的武夷岩茶进行分析.GC-MS分析结果表明,纤维素酶、果胶酶、漆酶和β-葡萄糖苷酶质量比为2:1:2:3时有利于香气物质的释放,尤其对醇类、酯类及酮类香气物质释放贡献较大.感官评价和OAV值的结果表明,酶的添加能明显提高武夷岩茶的花香、甜香和木香,复合酶的处理效果最佳,其次是β-葡萄糖苷酶.经复合酶处理后己醛、2-己烯醛和(E,E)-2,4-己二烯醛等物质含量降低,OAV减小.上述研究表明,纤维素酶、果胶酶、漆酶、β-葡萄糖苷酶及其复合酶的添加均可明显改善陈年武夷岩茶香气品质.

Keyword :

β-葡萄糖苷酶 β-葡萄糖苷酶 果胶酶 果胶酶 武夷岩茶 武夷岩茶 气相色谱-质谱法 气相色谱-质谱法 漆酶 漆酶 纤维素酶 纤维素酶 香气活性值 香气活性值

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GB/T 7714 谢李玲 , 薛婉茹 , 李丹阳 et al. 外源酶对陈年武夷岩茶香气品质的改善作用 [J]. | 食品研究与开发 , 2023 , 44 (5) : 155-164 .
MLA 谢李玲 et al. "外源酶对陈年武夷岩茶香气品质的改善作用" . | 食品研究与开发 44 . 5 (2023) : 155-164 .
APA 谢李玲 , 薛婉茹 , 李丹阳 , 周惠媛 , 孟春 , 洪晶 . 外源酶对陈年武夷岩茶香气品质的改善作用 . | 食品研究与开发 , 2023 , 44 (5) , 155-164 .
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外源酶对陈年武夷岩茶香气品质的改善作用
期刊论文 | 2023 , 44 (05) , 155-164 | 食品研究与开发
外源酶对陈年武夷岩茶香气品质的改善作用
期刊论文 | 2023 , 44 (05) , 155-164 | 食品研究与开发
益景汤对高糖环境中人脑微血管内皮细胞形态和TGF-β1/Smads信号通路相关蛋白表达的影响
期刊论文 | 2023 , 54 (7) , 31-34 | 福建中医药
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Abstract :

目的 探讨益景汤对高糖环境中人脑微血管内皮细胞(HBMEC)形态及TGF-β1/Smads信号通路相关蛋白表达的影响.方法 取对数生长期的HBMEC分为空白组、血清组、模型组、含药组,空白组采用无血清培养基,血清组采用血清培养基,模型组采用40 mmol/L葡萄糖血清培养基,含药组采用益景汤含药血清+40 mmol/L葡萄糖培养基,各培养48 h.采用光镜观察4组细胞形态变化,Western blot检测4组晚期糖基化终末产物特异性受体(RAGE)、转化生长因子β1(TGF-β1)、同源物4重组蛋白(Smad4)以及纤维连接蛋白(fibronectin)、紧密连接蛋白5(claudin-5)、Ⅳ型胶原蛋白(collagen Ⅳ)的蛋白表达量.结果 空白组细胞稀疏,形态尚规则;血清组细胞形态规则,成簇生长,呈"铺路石"单层贴壁生长;模型组细胞不规则增大,细胞间隙增宽、数量变少,细胞碎片、悬浮死细胞增多;含药组细胞不规则形态减少、间隙变小、数量增多,细胞碎片、悬浮死细胞减少.与空白组及血清组比较,模型组claudin-5蛋白表达量均明显降低(P均<0.05),RAGE、TGF-β1、Smad4、fibronectin和collagen Ⅳ蛋白表达量差异均无统计学意义(P均>0.05);与模型组比较,含药组claudin-5蛋白表达量明显升高(P<0.05),RAGE、TGF-β1、Smad4、fibronectin和collagen Ⅳ蛋白表达量差异均无统计学意义(P均>0.05).结论益景汤能提高高糖环境中HBMEC的增殖活力,保护细胞形态,明显上调HBMEC的claudin-5蛋白表达,对保护人脑微血管正常结构,维持人血脑屏障正常通透性有一定意义.

Keyword :

TGF-β1/Smads信号通路 TGF-β1/Smads信号通路 人脑微血管内皮细胞 人脑微血管内皮细胞 益景汤 益景汤 糖尿病 糖尿病

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GB/T 7714 王丽 , 梁明丽 , 孟春 et al. 益景汤对高糖环境中人脑微血管内皮细胞形态和TGF-β1/Smads信号通路相关蛋白表达的影响 [J]. | 福建中医药 , 2023 , 54 (7) : 31-34 .
MLA 王丽 et al. "益景汤对高糖环境中人脑微血管内皮细胞形态和TGF-β1/Smads信号通路相关蛋白表达的影响" . | 福建中医药 54 . 7 (2023) : 31-34 .
APA 王丽 , 梁明丽 , 孟春 , 刘光辉 . 益景汤对高糖环境中人脑微血管内皮细胞形态和TGF-β1/Smads信号通路相关蛋白表达的影响 . | 福建中医药 , 2023 , 54 (7) , 31-34 .
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益景汤对高糖环境中人脑微血管内皮细胞形态和TGF-β1/Smads信号通路相关蛋白表达的影响
期刊论文 | 2023 , 54 (07) , 31-34 | 福建中医药
益景汤对高糖环境中人脑微血管内皮细胞形态和TGF-β1/Smads信号通路相关蛋白表达的影响
期刊论文 | 2023 , 54 (07) , 31-34 | 福建中医药
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