Astragalus Plant

  • 文章类型: Journal Article
    黄芪(AM,Huángqí)和大白术(洛杉矶,báizhú)揭示了在减轻膝骨关节炎(KOA)的发作和进展方面的显着疗效,尽管有一种难以捉摸的机械理解。本研究通过利用全面的中药(TCM)网络数据库,描述了AM-LA协同作用中的主要生物活性成分及其分子靶标。包括TCMSP,TCMID,和ETCM。此外,对3个基因表达数据集的分析,来自基因表达综合数据库,促进了与KOA相关的差异基因的鉴定。将这些发现与来自5个主要数据库的数据相结合,得出了与KOA相关的目标的完善列表,随后将其与对应于AM和LA治疗的基因签名进行比对。通过这种对齐,阐明了与AM-LA治疗轴相关的特定分子靶标.蛋白质相互作用网络的构建,利用KOA病理学和AM-LA干预之间的共同遗传标记,通过CytoNCA插件促进的拓扑分析,能够识别关键分子靶标。随后的GO和KEGG富集分析促进了整体草药成分靶标网络和核心靶标信号通路网络的发展。采用分子对接技术来验证AM-LA复合物中5个中心分子靶标与其相应活性化合物之间的相互作用。我们的研究结果表明,AM-LA组合调节关键的生物过程,包括细胞活动,活性氧改性,代谢调节,和全身免疫的激活。通过增强或减弱关键的信号通路,如MAPK,钙,和PI3K/AKT通路,AM-LAdyad协调对免疫炎症反应的综合调节作用,细胞增殖,分化,凋亡,和抗氧化防御,为KOA管理提供了一种新的治疗途径。这项研究,以基因表达综合基因芯片分析和网络药理学为基础,提高了我们对控制AM和LA对KOA进展的抑制作用的分子基础的理解,为今后探索中医药治疗KOA的有效成分和机制途径奠定基础。
    Investigations into the therapeutic potential of Astragalus Mongholicus (AM, huáng qí) and Largehead Atractylodes (LA, bái zhú) reveal significant efficacy in mitigating the onset and progression of knee osteoarthritis (KOA), albeit with an elusive mechanistic understanding. This study delineates the primary bioactive constituents and their molecular targets within the AM-LA synergy by harnessing the comprehensive Traditional Chinese Medicine (TCM) network databases, including TCMSP, TCMID, and ETCM. Furthermore, an analysis of 3 gene expression datasets, sourced from the gene expression omnibus database, facilitated the identification of differential genes associated with KOA. Integrating these findings with data from 5 predominant databases yielded a refined list of KOA-associated targets, which were subsequently aligned with the gene signatures corresponding to AM and LA treatment. Through this alignment, specific molecular targets pertinent to the AM-LA therapeutic axis were elucidated. The construction of a protein-protein interaction network, leveraging the shared genetic markers between KOA pathology and AM-LA intervention, enabled the identification of pivotal molecular targets via the topological analysis facilitated by CytoNCA plugins. Subsequent GO and KEGG enrichment analyses fostered the development of a holistic herbal-ingredient-target network and a core target-signal pathway network. Molecular docking techniques were employed to validate the interaction between 5 central molecular targets and their corresponding active compounds within the AM-LA complex. Our findings suggest that the AM-LA combination modulates key biological processes, including cellular activity, reactive oxygen species modification, metabolic regulation, and the activation of systemic immunity. By either augmenting or attenuating crucial signaling pathways, such as MAPK, calcium, and PI3K/AKT pathways, the AM-LA dyad orchestrates a comprehensive regulatory effect on immune-inflammatory responses, cellular proliferation, differentiation, apoptosis, and antioxidant defenses, offering a novel therapeutic avenue for KOA management. This study, underpinned by gene expression omnibus gene chip analyses and network pharmacology, advances our understanding of the molecular underpinnings governing the inhibitory effects of AM and LA on KOA progression, laying the groundwork for future explorations into the active components and mechanistic pathways of TCM in KOA treatment.
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  • 文章类型: Journal Article
    黄芪和三七配方(A&P)已在临床上证明可有效减缓慢性肾脏疾病(CKD)的进展,并在实验性CKD模型中显示出显着的抗纤维化作用。然而,具体的活性成分和潜在的机制尚不清楚。采用超高效液相色谱-串联质谱(UPLC-HR-MS)对A&P的活性成分进行分析。通过5/6肾切除术构建CKD小鼠模型。通过肌酐和尿素氮评估肾功能。采用Real-timePCR和WesternBlot检测肾和细胞中mRNA和蛋白的变化。在TCMK-1细胞中通过TGF-β诱导构建体外纤维化细胞模型。结果表明,通过UPLC-HR-MS鉴定了A&P的13种活性成分,其中9个是通过标准分析确定的,其中NOB的相对百分比较高。我们发现NOB治疗显著改善肾功能,病理损伤,降低CKD小鼠纤维化因子的表达水平。结果还表明,Lgals1在CKD小鼠的间质肾脏中过表达,NOB处理显著降低其表达水平,同时抑制PI3K和AKT磷酸化。有趣的是,Lgals1的过表达显著增加TCMK1细胞的纤维化,上调PI3K和AKT的活性,被NOB治疗强烈抑制。NOB是A&P的主要活性成分之一NOB改善CKD肾纤维化的分子机制可能是通过抑制Lgals1/PI3K/AKT信号通路实现的。
    The Astragalus mongholicus Bunge and Panax notoginseng formula (A&P) has been clinically shown to effectively slow down the progression of chronic kidney disease (CKD) and has demonstrated significant anti-fibrosis effects in experimental CKD model. However, the specific active ingredients and underlying mechanism are still unclear. The active ingredients of A&P were analyzed by Ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-HR-MS). A mouse model of CKD was constructed by 5/6 nephrectomy. Renal function was assessed by creatinine and urea nitrogen. Real-time PCR and Western Blot were performed to detect the mRNA and protein changes in kidney and cells. An in vitro fibrotic cell model was constructed by TGF-β induction in TCMK-1 cells. The results showed that thirteen active ingredients of A&P were identified by UPLC-HR-MS, nine of which were identified by analysis with standards, among which the relative percentage of NOB was high. We found that NOB treatment significantly improved renal function, pathological damage and reduced the expression level of fibrotic factors in CKD mice. The results also demonstrated that Lgals1 was overexpressed in the interstitial kidney of CKD mice, and NOB treatment significantly reduced its expression level, while inhibiting PI3K and AKT phosphorylation. Interestingly, overexpression of Lgals1 significantly increased fibrosis in TCMK1 cells and upregulated the activity of PI3K and AKT, which were strongly inhibited by NOB treatment. NOB is one of the main active components of A&P. The molecular mechanism by which NOB ameliorates renal fibrosis in CKD may be through the inhibition of Lgals1/PI3K/AKT signaling pathway.
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  • 文章类型: Journal Article
    本研究考察了黄芪多糖(APS,传统中草药中具有降血糖功能的成分)使用体外模拟发酵模型对2型糖尿病(T2DM)患者的肠道菌群和代谢产物进行研究。分离出APS的主要成分,纯化,和结构特征。发现APS发酵可增加T2DM患者粪便微生物群中乳杆菌和双歧杆菌的丰度,并降低大肠杆菌-志贺氏菌的水平。除了增加丙酸,APS还导致全反式维甲酸和硫胺素(均具有抗氧化特性)的增加,它们在与硫胺素代谢相关的KEGG途径中的富集,等。值得注意的是,APS还可以增强粪便的抗氧化性能。相关性分析证实乳杆菌与硫胺素和DPPH清除率呈显著正相关,提示APS的抗氧化活性与其富集某些特定细菌并上调其代谢产物的能力有关。
    This study investigated the effect of astragalus polysaccharide (APS, an ingredient with hypoglycemic function in a traditional Chinese herbal medicine) on gut microbiota and metabolites of type 2 diabetes mellitus (T2DM) patients using a simulated fermentation model in vitro. The main components of APS were isolated, purified, and structure characterized. APS fermentation was found to increase the abundance of Lactobacillus and Bifidobacterium and decrease the Escherichia-Shigella level in the fecal microbiota of T2DM patients. Apart from increasing propionic acid, APS also caused an increase in all-trans-retinoic acid and thiamine (both have antioxidant properties), with their enrichment in the KEGG pathway associated with thiamine metabolism, etc. Notably, APS could also enhance fecal antioxidant properties. Correlation analysis confirmed a significant positive correlation of Lactobacillus with thiamine and DPPH-clearance rate, suggesting the antioxidant activity of APS was related to its ability to enrich some specific bacteria and upregulate their metabolites.
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  • 文章类型: Journal Article
    背景:人参和黄芪通常合用以补气和缓解疲劳。以前的研究已经使用生物网络来研究草药对治疗不同疾病的机制。然而,这些研究仅阐明了每个草药对的单个网络,不强调草药组合优于个别草药。
    目的:本研究提出了一种比较生物网络的方法,以突出该对在治疗癌症相关性疲劳(CRF)中的协同作用。
    方法:人参的化合物和目标,黄芪,使用不同的数据库收集和预测CRF疾病。随后,将草药与疾病之间的重叠靶标导入STRING和DAVID工具,以构建蛋白质-蛋白质相互作用(PPI)网络并分析富集的KEGG途径.使用DyNet应用分别或一起比较了人参和黄芪的生物网络。使用分子对接来验证预测结果。Further,进行了体外实验以验证在计算机模拟研究中确定的协同途径。
    结果:在PPI网络比较中,与单一草药(10.296和9.394)相比,该组合产生了89个新的相互作用,并且平均程度增加(11.260)。新的相互作用集中在HRAS上,STAT3,JUN,IL6拓扑分析确定了该组合的20个核心目标,包括三个人参特异性目标,三个黄芪特异性靶标,14个共同目标在KEGG富集分析中,与单独的人参(146)和黄芪(134)相比,该组合调节了额外的信号通路(152)。草药对的靶标协同调节癌症途径,缺氧诱导因子1(HIF-1)信号通路。包括酶联免疫吸附测定和蛋白质印迹在内的体外实验表明,与单独的任一草药相比,两种草药组合可以在不同的组合浓度上调HIF-1α信号通路。
    结论:与单一草药相比,草药对增加了蛋白质相互作用并调节了代谢途径。本研究为人参和黄芪在临床实践中的结合提供了见解。
    BACKGROUND: Ginseng Radix and Astragali Radix are commonly combined to tonify Qi and alleviate fatigue. Previous studies have employed biological networks to investigate the mechanisms of herb pairs in treating different diseases. However, these studies have only elucidated a single network for each herb pair, without emphasizing the superiority of the herb combination over individual herbs.
    OBJECTIVE: This study proposes an approach of comparing biological networks to highlight the synergistic effect of the pair in treating cancer-related fatigue (CRF).
    METHODS: The compounds and targets of Ginseng Radix, Astragali Radix, and CRF diseases were collected and predicted using different databases. Subsequently, the overlapping targets between herbs and disease were imported into the STRING and DAVID tools to build protein-protein interaction (PPI) networks and analyze enriched KEGG pathways. The biological networks of Ginseng Radix and Astragali Radix were compared separately or together using the DyNet application. Molecular docking was used to verify the predicted results. Further, in vitro experiments were conducted to validate the synergistic pathways identified in in silico studies.
    RESULTS: In the PPI network comparison, the combination created 89 new interactions and an increased average degree (11.260) when compared to single herbs (10.296 and 9.394). The new interactions concentrated on HRAS, STAT3, JUN, and IL6. The topological analysis identified 20 core targets of the combination, including three Ginseng Radix-specific targets, three Astragali Radix-specific targets, and 14 shared targets. In KEGG enrichment analysis, the combination regulated additional signaling pathways (152) more than Ginseng Radix (146) and Astragali Radix (134) alone. The targets of the herb pair synergistically regulated cancer pathways, specifically hypoxia-inducible factor 1 (HIF-1) signaling pathway. In vitro experiments including enzyme-linked immunosorbent assay and Western blot demonstrated that two herbs combination could up-regulate HIF-1α signaling pathway at different combined concentrations compared to either single herb alone.
    CONCLUSIONS: The herb pair increased protein interactions and adjusted metabolic pathways more than single herbs. This study provides insights into the combination of Ginseng Radix and Astragali Radix in clinical practice.
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  • 文章类型: Journal Article
    中医治疗是治疗肝细胞癌的重要手段,黄芪(拉丁名:HedysarumMultijumgumMaxim;中文名:黄芪,HQ)和白术(拉丁名:白术;中文名:白术,BZ)(HQBZ),一对经典的草药,通常与HCC结合使用。然而,HQBZ治疗HCC的主要成分和潜在机制尚不清楚。本研究旨在确定HQBZ在HCC治疗中的潜在活性成分和作用分子机制。
    构建了HQBZ-Compound-Target-HCC网络和HQBZ-HCC转录调控网络,以筛选HQBZ治疗HCC的核心活性化合物成分和靶标。分子对接技术用于验证结合核心活性化合物组分与靶标的稳定性。采用GO和KEGG富集分析探讨HQBZ在HCC治疗中的信号通路,通过体内H22荷瘤小鼠和体外细胞实验验证了HQBZ治疗HCC的机制。
    网络药理学和分子对接研究表明,HQBZ治疗HCC与活性化合物Biatractylide对IL-6和STAT3的靶向调节有关,KEGG通路富集分析提示HQBZ可能通过IL-6/STAT3信号通路在HCC治疗中发挥作用。体外实验结果证明HQBZ能够调节IL-6/STAT3信号通路对CD8+T细胞的转导,抑制CD8+T细胞耗尽,恢复耗尽的CD8+T细胞的功能。体内实验结果证明,HQBZ可以调节H22肝癌模型小鼠肿瘤组织中IL-6/STAT3信号通路的转导,增加肿瘤浸润CD8+T细胞的比例。
    这项研究发现,HQBZ可能通过比曲内酯靶向IL-6和STAT3在HCC中发挥治疗作用,其作用机制与调节IL-6/STAT3信号通路,逆转T细胞衰竭和增加肿瘤浸润CD8+T细胞。
    UNASSIGNED: Traditional Chinese medicine (TCM) therapy is an important means to treat hepatocellular carcinoma (HCC), Astragalus (Latin name: Hedysarum Multijugum Maxim; Chinese name: Huangqi, HQ) and Atractylodes (Latin name: Atractylodes Macrocephala Koidz; Chinese name: Baizhu, BZ) (HQBZ), a classic herb pair, is often used in combination to HCC. However, the main components and potential mechanisms of HQBZ therapy in HCC remain unclear. This study aimed to identify the potential active ingredients and molecular mechanisms of action of HQBZ in HCC treatment.
    UNASSIGNED: The HQBZ-Compound-Target-HCC network and HQBZ-HCC transcriptional regulatory network were constructed to screen the core active compound components and targets of HQBZ therapy for HCC. Molecular docking techniques are used to verify the stability of binding core active compound components to targets. GO and KEGG enrichment analysis were used to explore the signaling pathway of HQBZ in HCC treatment, the mechanism of HQBZ treatment of HCC was verified based on in vivo H22 tumor bearing mice and in vitro cell experiments.
    UNASSIGNED: Network pharmacology and molecular docking studies showed that HQBZ treatment of HCC was related to the targeted regulation of IL-6 and STAT3 by the active compound biatractylolide, KEGG pathway enrichment analysis suggest that HQBZ may play a role in the treatment of HCC through IL-6/STAT3 signaling pathway. In vitro experiment results proved that HQBZ could regulate IL-6/STAT3 signaling pathway transduction on CD8+T cells, inhibit CD8+T cell exhaustion and restore the function of exhausted CD8+T cells. In vivo experiment results proved that HQBZ can regulate IL-6/STAT3 signaling pathway transduction in H22 liver cancer model mouse tumor tissue, increased the proportion of tumor infiltrating CD8+T cells.
    UNASSIGNED: This study found that HQBZ may play a therapeutic role in HCC by targeting IL-6 and STAT3 through biatractylolide, its mechanism of action is related to regulating IL-6/STAT3 signaling pathway, reversing T cell failure and increasing tumor infiltration CD8+T cells.
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  • 文章类型: Journal Article
    越来越多的证据表明,内质网应激(ER应激)和神经炎症参与了创伤性脑损伤(TBI)的复杂病理过程。然而,TBI中它们相互作用的病理机制仍未完全阐明。因此,研究和改善TBI后的神经炎症和ER应激可能是治疗继发性脑损伤的有效策略。黄芪甲苷(AS-IV)已被报道为神经系统疾病中潜在的神经保护和抗炎剂。本研究利用小鼠TBI模型研究内质网应激的病理机制和串扰,神经炎症,TBI中的小胶质细胞形态,以及AS-IV改善TBI的机制和潜力。研究显示TBI后,炎症因子IL-6,IL-1β,TNF-α升高,小胶质细胞被激活,和PERK磷酸化的特异性抑制剂,GSK2656157,干预以减轻神经炎症并抑制小胶质细胞活化。TBI后,内质网应激相关蛋白的水平(p-PERK,p-eIF2a,ATF4、ATF6和p-IRE1a)增加。AS-IV治疗后,TBI小鼠的神经功能障碍得到改善。p-PERK的水平,p-eIF2a,ATF4下降,随着炎症因子IL-6,IL-1β的减少,和TNF-α。观察到小胶质细胞/巨噬细胞M1/M2极化的变化。此外,PERK激活剂CCT020312干预消除了AS-IV对TBI后炎症和ER应激相关蛋白p-PERK的影响,p-eIF2a,ATF4这些结果表明,AS-IV通过PERK途径减轻TBI后的神经炎症和脑损伤,为TBI治疗提供新的方向和理论见解。
    Increasing evidence suggests that endoplasmic reticulum stress (ER stress) and neuroinflammation are involved in the complex pathological process of traumatic brain injury (TBI). However, the pathological mechanisms of their interactions in TBI remain incompletely elucidated. Therefore, investigating and ameliorating neuroinflammation and ER stress post-TBI may represent effective strategies for treating secondary brain injury. Astragaloside IV (AS-IV) has been reported as a potential neuroprotective and anti-inflammatory agent in neurological diseases. This study utilized a mouse TBI model to investigate the pathological mechanisms and crosstalk of ER stress, neuroinflammation, and microglial cell morphology in TBI, as well as the mechanisms and potential of AS-IV in improving TBI. The research revealed that post-TBI, inflammatory factors IL-6, IL-1β, and TNF-α increased, microglial cells were activated, and the specific inhibitor of PERK phosphorylation, GSK2656157, intervened to alleviate neuroinflammation and inhibit microglial cell activation. Post-TBI, levels of ER stress-related proteins (p-PERK, p-eIF2a, ATF4, ATF6, and p-IRE1a) increased. Following AS-IV treatment, neurological dysfunction in TBI mice improved. Levels of p-PERK, p-eIF2a, and ATF4 decreased, along with reductions in inflammatory factors IL-6, IL-1β, and TNF-α. Changes in microglial/macrophage M1/M2 polarization were observed. Additionally, the PERK activator CCT020312 intervention eliminated the impact of AS-IV on post-TBI inflammation and ER stress-related proteins p-PERK, p-eIF2a, and ATF4. These results indicate that AS-IV alleviates neuroinflammation and brain damage post-TBI through the PERK pathway, offering new directions and theoretical insights for TBI treatment.
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  • 文章类型: Journal Article
    通过荟萃分析确定黄芪联合肾素-血管紧张素-醛固酮系统(RAAS)阻滞剂治疗III期糖尿病肾病(DN)的有效性和安全性。
    PubMed,Embase,科克伦图书馆,威利,和WebofScience数据库搜索2007年8月至2022年8月发表的文章。纳入黄芪联合RAAS受体阻滞剂治疗III期DN的临床研究。采用RevMan5.1和Stata14.3软件进行Meta分析。
    本次荟萃分析共包括32篇论文,包含来自随机对照试验的2462名患者,1244人接受联合治疗,1218人仅接受RAAS阻滞剂。黄芪联合RAAS阻滞剂的总有效率(TER)(平均差[MD]3.63,95%置信区间[CI]2.59-5.09)和尿蛋白排泄率(UPER)显着降低,血清肌酐(Scr),血尿氮(BUN)和糖化血红蛋白(HbAlc)水平。在亚组分析中,联合黄芪和血管紧张素受体阻滞剂显著降低空腹血糖(FPG)和24h尿蛋白(24hUTP)水平,与黄芪和血管紧张素转换酶抑制剂联合治疗比较。同时,后者显着降低了尿微量蛋白(β2-MG)。重要的是,敏感性分析证实了研究的稳定性,UPER未检测到发表偏倚,BUN,HbAlc,FPG,或β2-MG。然而,TER,SCr,24hUTP结果提示可能的发表偏倚。
    黄芪-RAAS阻滞剂联合治疗是安全的,可改善预后;然而,严格随机,大规模,多中心,需要双盲试验来评估其在III期DN中的疗效和安全性.
    肾素-血管紧张素-醛固酮系统(RAAS)抑制剂通常用于治疗糖尿病性神经病(DN),黄芪成分已知可改善DN症状。我们旨在建立黄芪与RAAS抑制剂联合使用的有效性和安全性。黄芪联合RAAS抑制剂可提高糖尿病神经病变治疗的总有效率,降低尿蛋白排泄率,血清肌酐,血尿素氮和HbAlc.敏感性分析确认了研究的稳定性,而发表偏倚被检测为总有效率,血清肌酐,和24小时尿蛋白水平。
    UNASSIGNED: To determine the efficacy and safety of Astragalus combined with renin-angiotensin-aldosterone system (RAAS) blockers in treating stage III diabetic nephropathy (DN) by meta-analysis.
    UNASSIGNED: PubMed, Embase, Cochrane Library, Wiley, and Web of Science databases were searched for articles published between August 2007 and August 2022. Clinical studies on Astragalus combined with RAAS blockers for the treatment of stage III DN were included. Meta-analysis was performed by RevMan 5.1 and Stata 14.3 software.
    UNASSIGNED: A total of 32 papers were included in this meta-analysis, containing 2462 patients from randomized controlled trials, with 1244 receiving the combination treatment and 1218 solely receiving RAAS blockers. Astragalus combined with RAAS blockers yielded a significantly higher total effective rate (TER) (mean difference [MD] 3.63, 95% confidence interval [CI] 2.59-5.09) and significantly reduced urinary protein excretion rate (UPER), serum creatinine (Scr), blood urine nitrogen (BUN) and glycosylated hemoglobin (HbAlc) levels. In subgroup analysis, combining astragalus and angiotensin receptor blocker significantly lowered fasting plasma glucose (FPG) and 24 h urinary protein (24hUTP) levels, compared with the combined astragalus and angiotensin-converting enzyme inhibitor treatment. Meanwhile, the latter significantly decreased the urinary microprotein (β2-MG). Importantly, the sensitivity analysis confirmed the study\'s stability, and publication bias was not detected for UPER, BUN, HbAlc, FPG, or β2-MG. However, the TER, SCr, and 24hUTP results suggested possible publication bias.
    UNASSIGNED: The astragalus-RAAS blocker combination treatment is safe and improves outcomes; however, rigorous randomized, large-scale, multi-center, double-blind trials are needed to evaluate its efficacy and safety in stage III DN.
    Renin-angiotensin-aldosterone system (RAAS) inhibitors are commonly used to treat diabetic neuropathy (DN) and Astragalus membranaceus components are known to improve DN symptoms.We aimed to establish the efficacy and safety of using Astragalus combined with RAAS inhibitors.Astragalus combined with RAAS inhibitors enhances the total effective rate of diabetic neuropathy response to treatment and reduces urinary protein excretion rate, serum creatinine, blood urea nitrogen and HbAlc.Sensitivity analysis affirms study stability, while publication bias was detected for total effective rate, serum creatinine, and 24 h urinary protein levels.
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  • 文章类型: Journal Article
    探讨小剂量二甲双胍的辅助治疗药物,通过DEAE-52纤维素和SephadexG-100柱色谱从黄芪中纯化了一种名为APS-D1的均质多糖。其化学结构由分子量分布表征,单糖组成,红外光谱,甲基化分析,和NMR。结果表明,APS-D1(7.36kDa)由葡萄糖组成,半乳糖,和阿拉伯糖(97.51%:1.56%:0.93%)。它由→4)-α-D-Glcp-(1→残基骨架,→3)-β-D-Galp-(1→残基和末端-α/β-D-Glcp-(1→侧链。APS-D1可以显著改善炎症(TNF-α,LPS,和IL-10)体内。此外,APS-D1可改善小剂量二甲双胍的疗效,且无不良事件发生。APS-D1联合低剂量二甲双胍调节几种肠道细菌,其中APS-D1富集了迟缓葡萄球菌以产生l-肉碱(迟缓葡萄球菌的136种代谢产物之一)。美国Lentus和左旋肉碱可以改善糖尿病,和减少S.lentusl-肉碱产生受损的糖尿病改善。组合,S、Lentus,左旋肉碱可以促进脂肪酸氧化(CPT1)和抑制糖异生(PCK和G6Pase)。结果表明,APS-D1通过富集扁桃体,增强了小剂量二甲双胍改善糖尿病的疗效,其中,L-肉碱介导了Lentus的作用。总的来说,这些发现支持低剂量二甲双胍补充APS-D1可能是2型糖尿病的有利治疗策略.
    To explore the adjuvant therapy drugs of low-dose metformin, one homogeneous polysaccharide named APS-D1 was purified from Astragalus membranaceus by DEAE-52 cellulose and Sephadex G-100 column chromatography. Its chemical structure was characterized by molecular weight distribution, monosaccharide composition, infrared spectrum, methylation analysis, and NMR. The results revealed that APS-D1 (7.36 kDa) consisted of glucose, galactose, and arabinose (97.51 %:1.56 %:0.93 %). It consisted of →4)-α-D-Glcp-(1→ residue backbone with →3)-β-D-Galp-(1→ residue and terminal-α/β-D-Glcp-(1→ side chains. APS-D1 could significantly improve inflammation (TNF-α, LPS, and IL-10) in vivo. Moreover, APS-D1 improved the curative effect of low-dose metformin without adverse events. APS-D1 combined with low-dose metformin regulated several gut bacteria, in which APS-D1 enriched Staphylococcus lentus to produce l-carnitine (one of 136 metabolites of S. lentus). S. lentus and l-carnitine could improve diabetes, and reduction of S. lentusl-carnitine production impaired diabetes improvement. The combination, S. lentus, and l-carnitine could promote fatty acid oxidation (CPT1) and inhibit gluconeogenesis (PCK and G6Pase). The results indicated that APS-D1 enhanced the curative effect of low-dose metformin to improve diabetes by enriching S. lentus, in which the effect of S. lentus was mediated by l-carnitine. Collectively, these findings support that low-dose metformin supplemented with APS-D1 may be a favorable therapeutic strategy for type 2 diabetes.
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  • 文章类型: Journal Article
    背景:糖尿病会导致慢性肾脏疾病(CKD)和肾衰竭,需要透析或移植。黄芪,一种常见的草药和美国药典注册的食品成分,通过回顾性和临床前数据显示肾脏具有保护作用,但长期前瞻性临床证据有限。该试验旨在评估黄芪对糖尿病CKD患者肾功能下降的有效性。
    方法:这是随机的,评估员-盲,标准护理控制,2018年7月至2022年4月,多中心临床试验从7家公共门诊诊所和香港社区随机分配了118例估计肾小球滤过率(eGFR)为30~90ml/min/1.73m2,尿白蛋白与肌酐比值(UACR)为300~5000mg/g的患者,接受口服黄芪颗粒(每日15g生药当量)或单独继续标准治疗作为对照48周.主要结果是eGFR变化的斜率(用于样本量计算)和意向治疗人群的UACR。次要结果包括终点血压,生物化学,生物标志物,伴随的药物变化和不良事件。(ClinicalTrials.gov:NCT03535935)结果:在48周期间,使用黄芪时,eGFR下降斜率的估计差异为每年4.6ml/min/1.73m2(95CI:1.5~7.6,p=0.003).对于UACR,估计的组间变化斜率的比例差异不显著(1.14,95CI:0.85~1.52,p=0.392).记录了31例黄芪治疗患者和41例标准护理控制患者的117例不良事件。在黄芪治疗的患者中,48周的终点收缩压降低了7.9mmHg(95CI:-12.9至-2.8,p=0.003)。113例(96%)和107例(91%)患者有随机化后和终点主要结局指标,分别。
    结论:在2型糖尿病患者中,2至3期CKD和大量白蛋白尿,添加黄芪48周,在标准护理的基础上进一步稳定肾功能。
    BACKGROUND: Diabetes leads to chronic kidney disease (CKD) and kidney failure, requiring dialysis or transplantation. Astragalus, a common herbal medicine and US pharmacopeia-registered food ingredient, is shown kidney protective by retrospective and preclinical data but with limited long-term prospective clinical evidence. This trial aimed to assess the effectiveness of astragalus on kidney function decline in macroalbuminuric diabetic CKD patients.
    METHODS: This randomized, assessor-blind, standard care-controlled, multi-center clinical trial randomly assigned 118 patients with estimated glomerular filtration rate (eGFR) of 30-90 ml/min/1.73m2 and urinary albumin-to-creatinine ratio (UACR) of 300-5000 mg/g from 7 public outpatient clinics and the community in Hong Kong between July 2018 and April 2022 to add-on oral astragalus granules (15 gs of raw herbs daily equivalent) or to continue standard care alone as control for 48 weeks. Primary outcomes were the slope of change of eGFR (used for sample size calculation) and UACR of the intention-to-treat population. Secondary outcomes included endpoint blood pressures, biochemistry, biomarkers, concomitant drug change and adverse events. (ClinicalTrials.gov: NCT03535935) RESULTS: During the 48-week period, the estimated difference in the slope of eGFR decline was 4.6 ml/min/1.73m2 per year (95 %CI: 1.5 to 7.6, p = 0.003) slower with astragalus. For UACR, the estimated inter-group proportional difference in the slope of change was insignificant (1.14, 95 %CI: 0.85 to 1.52, p = 0.392). 117 adverse events from 31 astragalus-treated patients and 41 standard care-controlled patients were documented. The 48-week endpoint systolic blood pressure was 7.9 mmHg lower (95 %CI: -12.9 to -2.8, p = 0.003) in the astragalus-treated patients. 113 (96 %) and 107 (91 %) patients had post-randomization and endpoint primary outcome measures, respectively.
    CONCLUSIONS: In patients with type 2 diabetes, stage 2 to 3 CKD and macroalbuminuria, add-on astragalus for 48 weeks further stabilized kidney function on top of standard care.
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  • 文章类型: Journal Article
    背景:这项研究确定了APS在环磷酰胺诱导的小鼠骨髓抑制和骨髓间充质干细胞(BMSCs)细胞模型中的作用和机制。
    方法:建立Cy诱导的骨髓抑制小鼠和BMSCs细胞模型。将50只C57BL/6小鼠(体重20±2g)随机分为5组。股骨和胫骨样本,骨髓样本,最后一次注射Cy后3天收集血样。检测组织病理学改变和细胞凋亡。细胞活力,凋亡,周期分布,活性氧活性,成骨能力,并检测到蛋白质水平。免疫荧光法检测γ-H2AX和衰老相关β-半乳糖苷酶活性表达。使用蛋白质印迹法检测Cy诱导的衰老和Wnt/β-catenin相关蛋白水平。
    结果:结果表明,APS可有效诱导Cy诱导的组织学损伤和细胞凋亡率。用APS治疗后,ROS和ALP水平显著升高。在BMSCs中,细胞活力,凋亡,和细胞周期分布也受APS处理的影响。与对照组相比,细胞活力显著增加,细胞凋亡率降低,而保持在G0-G1期的细胞数量增加。同时,APS组ROS水平显著升高。细胞衰老与Wnt/β-catenin相关蛋白(γ-H2AX,SA-β-gal,p21,p16,p-β-连环蛋白/β-连环蛋白,c-Myc,和AXIN2)水平在体内和体外也发生了变化。有趣的是,APS的作用被BML-284逆转。
    结论:我们的结果表明,APS通过Wnt/β-catenin通路保护Cy诱导的骨髓抑制,并且APS是Cy诱导的骨髓抑制的潜在治疗药物。
    BACKGROUND: This study determines the role and mechanism of APS in cyclophosphamide-induced myelosuppression in mice and bone mesenchymal stem cells (BMSCs) cell model.
    METHODS: Cy-induced myelosuppression mice and BMSCs cell model were established. Fifty C57BL/6 mice (weighing 20 ± 2 g) were randomly divided into five groups. Femur and tibia samples, bone marrow samples, and blood samples were collected 3 days after the last injection of Cy. Histopathology changes and cell apoptosis were detected. Cell viability, apoptosis, cycle distribution, reactive oxygen species activity, osteogenesis ability, and protein levels were detected. γ-H2AX and senescence-associated β-galactosidase activity expression was detected by immunofluorescence. Cy-induced senescence and Wnt/β-catenin related protein levels were detected using western blotting.
    RESULTS: The results showed that APS effectively induced Cy-induced histological injury and cell apoptosis rate. After treated with APS, ROS and ALP levels were significantly increased. In BMSCs, cell viability, apoptosis, and cell cycle distribution were also influenced by APS treatment. Compared with the control group, cell viability was significantly increased, the cell apoptosis rate was decreased while the number of cells remained in the G0-G1 phase was increased. Meanwhile, ROS levels were significantly increased in APS group. Cell senescence and Wnt/β-catenin related protein (γ-H2AX, SA-β-gal, p21, p16, p-β-catenin/ β-catenin, c-Myc, and AXIN2) levels were also altered both in vivo and in vitro. Interestingly, the effects of APS were reversed by BML-284.
    CONCLUSIONS: Our results indicate that APS protected Cy-induced myelosuppression through the Wnt/β-catenin pathway and APS is a potential therapeutic drug for Cy-induced myelosuppression.
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