Elaeagnaceae

胡桃科
  • 文章类型: Journal Article
    动物活动的季节性变化会影响健康和生态相互作用的强度(例如,竞争,捕食),然而,人类世的全球变化可能会催化季节性活动的变化。入侵植物是全球变化的组成部分,可以改变动物的日常活动,但是它们对动物季节性活动的影响却鲜为人知。我们研究了入侵性木本灌木(秋季橄榄[Elaeagnusumbellata]和阿穆尔金银花[忍冬])如何通过将实验性灌木去除与秋季相机诱捕连续两年在六个配对的森林地点(总共12个地块)中进行耦合来影响三种常见小哺乳动物物种的季节性活动。东部花栗鼠(Tamiasstriatus)觅食更多,觅食时间至少延长了20天,在灌木入侵的森林里。在一个研究年中,白足小鼠(Peromycscusleucopus)在入侵的地方觅食比清除的地方更多,但白虱秋季活动时间在灌木去除处理之间没有差异。狐狸松鼠(Sciurusniger)的活动显示了对灌木清除的特定年份反应,暗示了年度内的线索(例如,温度)结构S.Niger秋季活动。我们的工作强调了植物入侵如何对季节性动物活动产生特定物种的影响,可以修改生理过程的时机(例如,torpor),并可能在动物介导的相互作用中产生变化,例如种子传播或谷物。
    Seasonal variation in animal activity influences fitness and the intensity of ecological interactions (e.g., competition, predation), yet aspects of global change in the Anthropocene may catalyze shifts in seasonal activity. Invasive plants are components of global change and can modify animal daily activity, but their influence on animal seasonal activity is less understood. We examined how invasive woody shrubs (Autumn olive [Elaeagnus umbellata] and Amur honeysuckle [Lonicera maackii]) affect seasonal activity of three common small-mammal species by coupling experimental shrub removal with autumnal camera trapping for two consecutive years at six paired forest sites (total 12 plots). Eastern chipmunks (Tamias striatus) foraged more, and foraging was observed at least 20 days longer, in shrub-invaded forests. White-footed mice (Peromyscus leucopus) foraged more in invaded than cleared plots in one study year, but P. leucopus autumn activity timing did not differ between shrub-removal treatments. Fox squirrel (Sciurus niger) activity displayed year-specific responses to shrub removal suggesting intraannual cues (e.g., temperature) structure S. niger autumnal activity. Our work highlights how plant invasions can have species-specific effects on seasonal animal activity, may modify the timing of physiological processes (e.g., torpor), and could generate variation in animal-mediated interactions such as seed dispersal or granivory.
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  • 文章类型: Journal Article
    在研究中,天然低共熔溶剂(NADESs)被用作传统化学溶剂的替代品,用于从沙枣中提取多酚。首次测试了9个NADESs,并与乙醇和水(传统溶剂)进行了比较。这些溶剂在提取多酚方面特别有效,其低水溶性通常需要大量的有机溶剂。基于氯化胆碱和丙二酸的溶剂提供了最佳结果,并选择用于进一步优化。料液比的影响,超声时间,通过单因素实验研究了超声温度对提取效率的影响。这些参数通过Box-Behnken设计使用响应面方法进行优化。确定的最佳条件是49.86g/mL的材料-液体比,超声时间31.10min,和62.35°C的超声温度,导致140.30±0.19mg/g的高产率。结果表明,NADES提取技术比常规提取工艺提供了更高的收率。测定了沙棘多酚提取物的抗氧化活性,采用UPLC-IMS-QTOF-MS对其中的酚类化合物进行分析。结果表明,NADES提取的1,1-二苯基-2-吡啶-肼和2,2'-氮双-(3-乙基苯并噻唑啉-6-磺酸盐)的清除能力高于水和乙醇提取的多酚。此外,在提取物中总共鉴定出24种酚类化合物。据我们所知,这是首次使用绿色高效的NADES提取方法从angustifoliaL.中提取生物活性多酚的研究,可以在药物中提供潜在价值,化妆品,食品添加剂。
    In the study, natural deep eutectic solvents (NADESs) were used as alternatives to traditional chemical solvents for the extraction of polyphenols from Elaeagnus angustifolia L. Nine NADESs were tested for the first time and compared with ethanol and water (traditional solvents) regarding the extraction of phenolic compounds from E. angustifolia L. These solvents were particularly effective at extracting polyphenols, whose low water solubility usually requires high amounts of organic solvents. The solvent based on choline chloride and malonic acid provided optimal results and was selected for further optimization. The effects of material-to-liquid ratio, ultrasound time, and ultrasound temperature on the extraction efficiency were studied through single-factor experiments. These parameters were optimized by Box-Behnken design using response surface methodology. The optimal conditions identified were 49.86 g/mL of material-to-liquid ratio, 31.10 min of ultrasound time, and 62.35 °C of ultrasound temperature, resulting in a high yield of 140.30 ± 0.19 mg/g. The results indicated that the NADES extraction technique provided a higher yield than the conventional extraction process. The antioxidant activity of the extract of polyphenols from E. angustifolia L. was determined, and UPLC-IMS-QTOF-MS was used to analyze the phenolic compounds in it. The results revealed that the scavenging ability of 1,1-diphenyl-2-picryl-hydrazil and 2,2\'-azinobis-(3-ethylbenzthiazoline-6-sulphonate) extracted by NADES was higher than that of polyphenols extracted by water and ethanol. Furthermore, a total of 24 phenolic compounds were identified in the extract. To the best of our knowledge, this is the first study in which a green and efficient NADES extraction method has been used to extract bioactive polyphenols from E. angustifolia L., which could provide potential value in pharmaceuticals, cosmetics, and food additives.
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  • 文章类型: Journal Article
    心血管疾病是一个广泛理解的概念,专注于血管和心脏功能障碍。缺乏体育锻炼,2型糖尿病,肥胖,高血压,血脂异常,血栓栓塞,肾脏和肺部疾病都会导致心脏和血管功能障碍。虽然有效和重要,传统的利尿剂治疗,他汀类药物,β受体阻滞剂,钙抑制剂,ACE抑制剂,抗血小板药物在饮食干预和生活方式改变后仍是二线治疗.世界各地的科学家仍在寻找一种有效且没有副作用的草药产品,与标准药物干预一起服用或在标准药物干预之前服用。这种草药来源的药物治疗可能包括桑树(白桑树),沙枣(L.)A.纳尔逊(沙棘),大蒜(大蒜),ConvallariamajalisL.(山谷百合),益母草(益母草),还有Crataegusspp.(山楂)。有价值的草药原料包括叶子,水果,种子,甚至是荆棘.这篇简短的评论集中在六种草药上,这些草药可以构成心血管疾病管理中有趣且潜在的治疗选择。
    Cardiovascular diseases are a broadly understood concept focusing on vascular and heart dysfunction. Lack of physical exercise, type 2 diabetes, obesity, hypertension, dyslipidemia, thromboembolism, and kidney and lung diseases all contribute to the development of heart and blood vessel dysfunction. Although effective and important, traditional treatment with diuretics, statins, beta blockers, calcium inhibitors, ACE inhibitors, and anti-platelet drugs remains a second-line treatment after dietary interventions and lifestyle changes. Scientists worldwide are still looking for an herbal product that would be effective and free from side effects, either taken together with or before the standard pharmacological intervention. Such herbal-originated medication therapy may include Morus alba L. (white mulberry), Elaeagnus rhamnoides (L.) A. Nelson (sea-buckthorn), Allium sativum L. (garlic), Convallaria majalis L. (lily of the valley), Leonurus cardiaca L. (motherwort), and Crataegus spp. (hawthorn). Valuable herbal raw materials include leaves, fruits, seeds, and even thorns. This short review focuses on six herbs that can constitute an interesting and potential therapeutic option in the management of cardiovascular disorders.
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  • 文章类型: Journal Article
    在许多Frankia,结瘤寄主植物(Nod)和固定氮(Fix)的能力是一种常见的策略。然而,Pseudofrankia属中的某些frankia缺乏这些特征中的一种或两种。这种现象在各种放线菌根瘤分离株中一直被观察到,显示节点和/或固定表型。然而,支持这些低效的Frankia在结核内定殖和持续存在的机制,有和没有共生菌株(Nod+/Fix+),仍然不清楚。还不确定这些关联是否使寄主植物负担或受益。本研究探讨了ParafrankiaEUN1f和PseudofrankiaineuI1c之间的生态相互作用,从胡桃根瘤中分离出来。EUN1f(Nod+/Fix+)和EuI1c(Nod+/Fix-)表现出对比的共生性状。虽然预测表明存在竞争情况,缺乏直接相互作用的证据表明,EUN1f和EuI1c的竞争优势可能取决于环境因素,如底物可用性和各自栖息地中压力源的特定性质。在共同文化中,EUN1f优于EuI1c,特别是在特定条件下,由其固氮酶活性驱动。贫铁条件有利于EUN1f,强调铁在微生物竞争中的作用。两种菌株都受益于纯培养中的宿主根系分泌物,但是EUN1f在共同文化中占主导地位,增强其竞争力。结瘤实验表明,在贫氮条件下,寄主植物的偏好与接种物菌株的丰度一致,同时在氮气供应介质中始终偏爱EUN1f。本研究揭示了EUN1f和EuI1c之间的竞争动态和利基排斥,这表明寄主植物可能会惩罚不太有效的菌株,甚至所有菌株。这些发现强调了菌株竞争和宿主选择压力之间复杂的相互作用,保证进一步研究在不同生态系统中形成植物-微生物-微生物相互作用的潜在机制。
    目的:虽然假植物菌株通常缺乏结瘤寄主植物(Nod-)和/或固定氮(Fix-)的共同特征,它们仍从放线菌结节中回收。这些非常规菌株如何以及为什么在结节组织中建立自己的神秘问题,与共生菌株(Nod/Fix)一起或独立地蓬勃发展,同时考虑到宿主植物的潜在代谢成本,仍然是一个令人困惑的难题。本研究通过对基因组数据和经验模型的全面探索,试图解开PseudofrankiaineuI1c(Nod/Fix-)和Parafrankia菌株EU1Nf(Nod/Fix)之间的竞争动态。在受控的实验室环境和宿主工厂环境中进行。
    In many frankia, the ability to nodulate host plants (Nod+) and fix nitrogen (Fix+) is a common strategy. However, some frankia within the Pseudofrankia genus lack one or two of these traits. This phenomenon has been consistently observed across various actinorhizal nodule isolates, displaying Nod- and/or Fix- phenotypes. Yet, the mechanisms supporting the colonization and persistence of these inefficient frankia within nodules, both with and without symbiotic strains (Nod+/Fix+), remain unclear. It is also uncertain whether these associations burden or benefit host plants. This study delves into the ecological interactions between Parafrankia EUN1f and Pseudofrankia inefficax EuI1c, isolated from Elaeagnus umbellata nodules. EUN1f (Nod+/Fix+) and EuI1c (Nod+/Fix-) display contrasting symbiotic traits. While the prediction suggests a competitive scenario, the absence of direct interaction evidence implies that the competitive advantage of EUN1f and EuI1c is likely contingent on contextual factors such as substrate availability and the specific nature of stressors in their respective habitats. In co-culture, EUN1f outperforms EuI1c, especially under specific conditions, driven by its nitrogenase activity. Iron-depleted conditions favor EUN1f, emphasizing iron\'s role in microbial competition. Both strains benefit from host root exudates in pure culture, but EUN1f dominates in co-culture, enhancing its competitive traits. Nodulation experiments show that host plant preferences align with inoculum strain abundance under nitrogen-depleted conditions, while consistently favoring EUN1f in nitrogen-supplied media. This study unveils competitive dynamics and niche exclusion between EUN1f and EuI1c, suggesting that host plant may penalize less effective strains and even all strains. These findings highlight the complex interplay between strain competition and host selective pressure, warranting further research into the underlying mechanisms shaping plant-microbe-microbe interactions in diverse ecosystems.
    OBJECTIVE: While Pseudofrankia strains typically lack the common traits of ability to nodulate the host plant (Nod-) and/or fix nitrogen (Fix-), they are still recovered from actinorhizal nodules. The enigmatic question of how and why these unconventional strains establish themselves within nodule tissue, thriving either alongside symbiotic strains (Nod+/Fix+) or independently, while considering potential metabolic costs to the host plant, remains a perplexing puzzle. This study endeavors to unravel the competitive dynamics between Pseudofrankia inefficax strain EuI1c (Nod+/Fix-) and Parafrankia strain EU1Nf (Nod+/Fix+) through a comprehensive exploration of genomic data and empirical modeling, conducted both in controlled laboratory settings and within the host plant environment.
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  • 文章类型: Journal Article
    这项研究评估了秋季橄榄浆果(AOBs)提取物通过改善由于高糖(GLU)饮食而变得肥胖的中年秀丽隐杆线虫的脂质代谢来延缓衰老的积极作用。研究了冻干AOB(FAOB)或喷雾干燥AOB(SAOB)的总酚含量和DPPH自由基清除能力,和FAOB表现出更好的抗氧化活性。HPLC分析证实儿茶素是AOBs的主要酚类化合物;其含量在FAOBs中是SAOBs的5.95倍。因此,在随后的体内实验中使用FAOB。在正常和2%GLU条件下,FAOB均以浓度依赖性方式抑制年轻成人和中年组的脂质积累。此外,在正常和2%GLU条件下,FAOB以浓度依赖性方式抑制了中年蠕虫的ROS积累。特别是,FAOB还增加了中年蠕虫的身体弯曲和产蛋量。从FAOB的作用来证实与脂质代谢相关的遗传因素的干预,使用缺乏daf-16,atgl-1,aak-1和akt-1基因的蠕虫证实了体内脂质积累。关于FAOB对减少脂质积累的作用,在2%GLU条件下,daf-16缺陷蠕虫的影响无效,在禁食条件下,daf-16和atgl-1缺陷蠕虫均无效。总之,FAOB介导daf-16和atgl-1调节中年蠕虫的脂肪生成和脂解。我们的研究结果表明,FAOB改善代谢受损的中年蠕虫的脂质代谢,有助于延缓年龄。
    This study evaluated the positive effects of autumn olive berries (AOBs) extract on delaying aging by improving lipid metabolism in middle-aged Caenorhabditis elegans that had become obese due to a high-glucose (GLU) diet. The total phenolic content and DPPH radical scavenging abilities of freeze-dried AOBs (FAOBs) or spray-dried AOBs (SAOBs) were examined, and FAOBs exhibited better antioxidant activity. HPLC analysis confirmed that catechin is the main phenolic compound of AOBs; its content was 5.95 times higher in FAOBs than in SAOBs. Therefore, FAOBs were used in subsequent in vivo experiments. FAOBs inhibited lipid accumulation in both the young adult and middle-aged groups in a concentration-dependent manner under both normal and 2% GLU conditions. Additionally, FAOBs inhibited ROS accumulation in a concentration-dependent manner under normal and 2% GLU conditions in the middle-aged worms. In particular, FAOB also increased body bending and egg production in middle-aged worms. To confirm the intervention of genetic factors related to lipid metabolism from the effects of FAOB, body lipid accumulation was confirmed using worms deficient in the daf-16, atgl-1, aak-1, and akt-1 genes. Regarding the effect of FAOB on reducing lipid accumulation, the impact was nullified in daf-16-deficient worms under the 2% GLU condition, and nullified in both the daf-16- and atgl-1-deficient worms under fasting conditions. In conclusion, FAOB mediated daf-16 and atgl-1 to regulate lipogenesis and lipolysis in middle-aged worms. Our findings suggest that FAOB improves lipid metabolism in metabolically impaired middle-aged worms, contributing to its age-delaying effect.
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  • 文章类型: Journal Article
    目的:本研究的目的是确定沙枣提取物(EA)对人真皮成纤维细胞(HDF)存活的影响,迁移,和伤口愈合相关的基因.
    方法:制备EA的水醇提取物后,使用MTT和划痕试验来确定EA对HDF的活力和迁移的影响。此外,采用定量聚合酶链反应(q-PCR)评估EA对HDFs中伤口愈合相关基因表达的影响.
    结果:根据MTT测试,获得无毒浓度的EA(100µg/ml)用于进一步研究。划痕测试结果表明,与对照组相比,EA提高了HDFs的迁移能力。此外,q-PCR结果表明,EA可以显着增加伤口愈合相关基因(VEGF-A,与对照组相比,HLA-G5和IL-6)。
    结论:EA可能对HDF的生存能力和迁移产生重大影响。此外,EA增加了伤口愈合相关基因的表达。
    OBJECTIVE: The purpose of this study was to determine the impact of Elaeagnus Angustifolia extract (EA) on human dermal fibroblast (HDF) survival, migration, and wound healing-related genes.
    METHODS: After preparing the hydroalcoholic extract of EA, MTT and scratch tests were used to determine the effect of EA on the viability and migration of HDFs. In addition, the quantitative polymerase chain reaction (q-PCR) was conducted to evaluate the impact of EA on the expression of wound healing-related genes in HDFs.
    RESULTS: According to the MTT test, a nontoxic concentration of EA (100 µg/ml) was obtained for further investigations. The scratch test results demonstrated that EA improved HDFs\' capacity to migrate when compared to the control group. Additionally, q-PCR results revealed that EA could significantly increase wound healing-related genes (VEGF-A, HLA-G5, and IL-6) in comparison with the control group.
    CONCLUSIONS: The EA could have a significant impact on the viability and migration of HDFs. Also, EA increased the expression of wound healing-related genes.
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  • 文章类型: Journal Article
    农业废物是一种不需要的材料,不仅无法销售,但也有二次成本,如环境污染。Oleaster,也被称为橄榄俄罗斯水果,有各种用途,但它也会产生种子和果皮等废物。奥利士果及其所有部分都富含单宁,可用作天然媒染剂。通过使用媒染剂可以改善天然染色纤维的牢度和颜色性能。使用该媒染剂可有效减少农业废物和染色化学废物的产生。将Reseda提取物用作天然染料以研究颜色特征。对奥利斯特果实不同成分的酚类百分比的研究,包括果皮,种子,和肉,表明这些材料中的每一种都可以用作天然媒染剂。使用FTIR方法研究了在各种媒染剂存在下物理键的形成,结果表明,它们的性能相似,对羊毛的表面处理有效。对纱线颜色特性的研究表明,在媒染剂存在下,颜色强度增加。通过对ISO染色纱线的牢度的研究表明,样品具有较高的耐洗牢度。
    Agricultural waste is an unwanted material that is not only unmarketable, but also has secondary costs such as environmental pollution. Oleaster, also known as olive Russian fruit, has various uses, but it also produces waste such as seeds and peels. Oleaster fruit and all its parts are tannin rich, which can be utilized as natural mordant. Improvement of fastness and color properties of natural dyed fibers is obtained by using mordant. The employing of this mordant is effective in reducing agricultural waste and the production of dyeing chemical waste. Reseda extract was utilized as natural dye to investigate the color characteristics. The study of the phenolic percentage of different components of the Oleaster fruit, including peel, seed, and flesh, showed that each of these materials can be used as natural mordant. The formation of physical bonds in the presence of all kinds of mordant was investigated using the FTIR method, and the results showed that their performance is similar and they are effective in surface treatment of wool. Investigation of color characteristics of the yarns showed that the color strength increases in the presence of mordant. Studying the fastness of yarns dyed with ISO methods showed that the samples have high washing fastness.
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  • 文章类型: Journal Article
    为了研究胡枣多糖的抗氧化活性,纯化的胡枣多糖(EUP,由两个部分组成,EUP1和EUP2)使用紫外分光光度法进行了研究,高效液相色谱(HPLC),高效凝胶渗透色谱(HPGPC),傅里叶变换红外光谱(FT-IR)。这表明EUP1和EUP2是平均分子量(MW)为63和38kDa的酸性多糖,分别。EUP1主要由L-鼠李糖和D-半乳糖组成,摩尔比为2.05:1,EUP2由D-甘露糖组成,L-鼠李糖,D-半乳糖,和D-阿拉伯糖的摩尔比为2.06:1:2.78:1。此外,EUP表现出相当大的抗氧化潜力来清除羟基,超氧阴离子,DPPH,和ABTS激进分子。因此,EUP可以被开发为功能食品或制药领域的潜在抗氧化剂。
    In order to investigate the antioxidant activity of Elaeagnus umbellata polysaccharides, the physicochemical characteristics of purified Elaeagnus umbellata polysaccharides (EUP, consisting of two fractions, EUP1 and EUP2) were investigated using UV spectrophotometry, high-performance liquid chromatography (HPLC), high-performance gel permeation chromatography (HPGPC), and Fourier transform infrared spectroscopy (FT-IR). This revealed that EUP1 and EUP2 were acidic polysaccharides with an average molecular weight (MW) of 63 and 38 kDa, respectively. EUP1 mainly consisted of L-rhamnose and D-galactose in a molar ratio of 2.05:1, and EUP2 consisted of D-mannose, L-rhamnose, D-galactose, and D-arabinose in a molar ratio of 2.06:1:2.78:1. Furthermore, EUP exhibited considerable antioxidant potential for scavenging hydroxyl, superoxide anion, DPPH, and ABTS radicals. Therefore, EUP can be developed as a potential antioxidant for the functional food or pharmaceutical field.
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  • 文章类型: Journal Article
    背景:女性中最常见的癌症类型之一是乳腺癌。有许多天然的植物性产品,发挥抗肿瘤作用的包括沙枣(EA)。它调节细胞周期过程,热休克蛋白表达,抗增殖特性,凋亡诱导,阻断血管生成,和细胞侵袭抑制。本研究旨在合成和评估水醇EA提取物(HEAE)的抗癌作用,在MCF-7乳腺癌细胞系中,纳米羟基磷灰石(nHAp)和nHAp通过EA(nHA-EA)合成。
    方法:在本研究中,完成了HEAE的制备和nHA-EA的绿色合成,功能组,使用傅里叶变换红外(FTIR)和X射线衍射(XRD)确定nHA-EA和nHAp的晶状蛋白相。使用扫描电子显微镜(SEM)和透射电子显微镜(TEM)技术研究了合成纳米粒子的特征,包括结构和形态参数。然后,通过使用MTT测定(二甲基噻唑二苯基四唑),EA提取物的体外细胞毒性和半最大抑制浓度(IC50),nHAp,并对MCF-7乳腺癌细胞系中的nHA-EA进行评价。接下来,我们评估了凋亡相关基因Bax的表达,使用定量逆转录酶聚合酶链反应(qRT-PCR)的Bcl2和p53以及通过划痕测定的MCF-7细胞的迁移。
    结果:FTIR结果表明在合成过程中nHAp的形成及其与HEAE的相互作用。合成的纳米颗粒的XRD结果显示了类似的nHA-EA和nHAp的XRD图和合成的纳米材料的纯度。HEAE的平均IC50,nHAp,和nHA-EA提取物治疗癌细胞24小时后为400µg/mL,200µg/mL,和100微克/毫升,分别。我们的结果表明,nHA-EA显着降低MCF-7细胞的迁移和侵袭,与nHAp和EA提取物相比。此外,与EA提取物和nHAp组相比,nHA-EA提取物组的Bax/Bcl2和p53水平明显更高。
    结论:综合来看,我们的结果表明,以nHA-EA颗粒形式的EA药用植物的生物活性成分,可以有效地发挥对乳腺癌生长的潜在抗癌和化学预防作用,并且可以作为BC治疗的有希望的有益候选药物。然而,需要进一步调查以发现哪些生物活性化合物对这种提取物的化学预防作用负责。
    BACKGROUND: One of the most common types of cancer in women is breast cancer. There are numerous natural plant-based products, which exert anti-tumoral effects including Elaeagnus Angustifolia (EA). It modulates cell-cycle process, heat-shock proteins expression, anti-proliferative properties, apoptosis induction, blocking of angiogenesis, and cell invasion inhibition. The current study aimed to synthesize and evaluate the anticancer effects of hydroalcoholic EA extract (HEAE), Nanohydroxyapatite (nHAp) and nHAp synthesized trough EA (nHA-EA) in MCF-7 breast cancer cell line.
    METHODS: In the present study, HEAE preparation and green synthesis of nHA-EA was done and phase composition, functional groups, and crystallin phase of nHA-EA and nHAp were determined using Fourier-transform infrared (FTIR) and X-ray diffraction (XRD). The characteristics of synthesized nanoparticles including structural and morphological parameters were investigated using scanning electron microscopy (SEM) and Transmission electron microscopy (TEM) techniques. Then, by using MTT-assay (Dimethylthiazoldiphenyltetrazolium), the in vitro cytotoxic and half maximal inhibitory concentration (IC50) of EA extract, nHAp, and nHA-EA in the MCF-7 breast cancer cell line was evaluated. Next, we assessed the expression of apoptosis-related genes Bax, Bcl2 and p53 using quantitative reverse-transcriptase polymerase-chain-reaction (qRT-PCR) and migration of MCF-7 cells by scratch assay.
    RESULTS: The FTIR results demonstrated formation of nHAp and its interaction with HEAE during synthesis process. The XRD results of the synthesized nanoparticles showed similar XRD pattern of nHA-EA and nHAp and purity of synthesized nanomaterials. The average IC50 of HEAE, nHAp, and nHA-EA extract after treatment of cancer cells for 24 h was 400 µg/mL, 200 µg/mL, and 100 µg/mL, respectively. Our results revealed that nHA-EA significantly reduced the migration and invasion of the MCF-7 cells, in comparison to the nHAp and EA extract. Moreover, level of Bax/Bcl2 and p53 was significantly higher in the nHA-EA extract group in comparison to the EA extract and nHAp group.
    CONCLUSIONS: Taken together, our results demonstrated that bioactive constituents of EA medicinal plant in form of nHA-EA particles, can effectively exerts potential anticancer and chemo preventive effect against breast cancer growth and can be proposed as a promising beneficial candidate for BC therapy. However, further investigations are required to discover what bioactive compounds are responsible for the chemo preventive effect of this extract.
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  • 文章类型: Journal Article
    非酒精性脂肪性肝病(NAFLD)是一种由肝脏中积累的过量脂质引起的脂肪变性。由于现代生活方式和缺乏适当的药物治疗,NAFLD的患病率逐年增加。因此,我们有动机研究台湾植物的生物活性成分,可以减弱脂滴(LD)积累。在一系列筛选的3000甲醇提取物从台湾植物提取物库的抗LD积累活性,沙枣地上部分的甲醇提取物。表现出优异的抗LD积累活性。E.glabra是一种常绿灌木,仅对其进行了一些植物化学和生物学研究。这里,一种新的类黄酮(1),两种新的三萜类化合物(2和3),和35种已知化合物(4-38)通过生物测定指导的分级分离过程从E.glabra的地上部分的乙酸乙酯层中分离。它们的结构通过1D和2DNMR表征,UV,IR,和MS数据。在分离的化合物中,甲基phoophorbidea(37)在AML12细胞系中以20μM的浓度有效地将标准化的LD含量降低至0.3%,而没有明显的细胞毒性作用。3-O-(E)-咖啡酰基齐墩果酸(13)和甲基苯并苯甲(37)对fMLP/CB处理的人嗜中性粒细胞中的超氧阴离子产生或弹性蛋白酶释放具有抑制作用(IC50<3.0μM);它们显示出与阳性对照相似的效果,即,LY294002.这些发现表明E.glabra可用于开发一种新的植物药物,用于管理LD积累和对抗炎症相关疾病。
    Non-alcoholic fatty liver disease (NAFLD) is a type of steatosis caused by excess lipids accumulating in the liver. The prevalence of NAFLD has increased annually due to modern lifestyles and a lack of adequate medical treatment. Thus, we were motivated to investigate the bioactive components of Formosan plants that could attenuate lipid droplet (LD) accumulation. In a series of screenings of 3000 methanolic extracts from the Formosan plant extract bank for anti-LD accumulation activity, the methanolic extract of aerial parts of Elaeagnus glabra Thunb. showed excellent anti-LD accumulation activity. E. glabra is an evergreen shrub on which only a few phytochemical and biological studies have been conducted. Here, one new flavonoid (1), two new triterpenoids (2 and 3), and 35 known compounds (4-38) were isolated from the ethyl acetate layer of aerial parts of E. glabra via a bioassay-guided fractionation process. Their structures were characterized by 1D and 2D NMR, UV, IR, and MS data. Among the isolated compounds, methyl pheophorbide a (37) efficiently reduced the normalized LD content to 0.3% with a concentration of 20 μM in AML12 cell lines without significant cytotoxic effects. 3-O-(E)-Caffeoyloleanolic acid (13) and methyl pheophorbide a (37) showed inhibitory effects on superoxide anion generation or elastase release in fMLP/CB-treated human neutrophils (IC50 < 3.0 μM); they displayed effects similar to those of the positive control, namely, LY294002. These findings indicate that E. glabra can be used for developing a new botanical drug for managing LD accumulation and against inflammation-related diseases.
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