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Identification and Quantitative Analysis of the Pharmacologically Active Components of Jianxin Granules by UHPLC-QTOF-MS/MS-Based Metabolomics 基于超高效液相色谱-QTOF-MS/MS的代谢组学鉴定和定量分析健心颗粒的药效成分
IF 0.5 4区 医学 Pub Date : 2024-07-01 DOI: 10.1166/jbmb.2024.2437
Luting Zhang, Yongzhong Chen, Jinjian Guo, Qiufang Ouyang
Jianxin Granules, a Traditional Chinese Medicine (TCM), consisting of eight flavors, including Huang Qi (astragalus), Hong Shen (red ginseng), Pu Huang (pollen typhae), Dan Shen (salvia miltiorrhiza), Zhu Ling (polyporus), Bai Zhu (atractylodes macrocephala), Gui Zhi (cassia twig), Ting Li Zi (semen lepidii). Jianxin granules has a multi-system, multi-target, and multi-directional comprehensive regulatory effect on inhibiting ventricular remodeling, which is an effective formulation for the prevention and treatment of heart failure, and has a good application prospect. However, many of the ingredients, including pharmacologically active ingredients, in the Jianxin granules remain unclear. Here, we attempted to develop a metabolomics method of component identification, quantitation, pattern recognition, and cross-comparison of Jianxin granules. Chemical analysis, component identification and quantification analyse of Jianxin granules were conducted with a combination of UHPLC-QTOF-MS/MS with bioinformatics. Assessment of the correlation between technical and bio-replicated pharmacological active ingredients was implemented by Principal Component Analysis (PCA), in addition to Partial Least Squares Discriminant Analysis (PLS-DA). UHPLC-QTOFMS/ MS, a metabolomics method, was developed and adapted to characterize Jianxin granules, which consisted of 178 to 216 molecular signatures. The quantitative analysis of 95 frequently occurring molecular signatures of Jianxin granules was carried out by a single exogenous reference internal standard. Of these, 47 have been identified using diverse databases, including 2 glycosylglycerol derivatives, 2 lipids, 2 spiro compounds, 2 cyclohexanecarboxylic acids, 2 glycosides, 5 terpenoids, 7 oligopeptides, 17 favonoids, and 8 various compounds, such as hydroxycoumarin, chalcone, benzofuran, benzodioxole, benzaldehyde, aromatic ketone, and alkyl cafeate ester. The established method demonstrates robust reliability and reproducibility, making it suitable for various applications including compositional identification, quantification, and quality assessment of the pharmacologically active constituents in Jianxin granules.
健心颗粒是一种中成药,由黄芪、红参、蒲黄、丹参、竹苓、白术、桂枝、附子八味组成。健心颗粒对抑制心室重构具有多系统、多靶点、多方位的综合调节作用,是防治心衰的有效制剂,具有良好的应用前景。然而,健心颗粒中包括药理活性成分在内的许多成分仍不清楚。在此,我们尝试建立一种代谢组学方法,对健心颗粒进行成分鉴定、定量、模式识别和交叉比较。我们采用超高效液相色谱-QTOF-MS/MS和生物信息学相结合的方法对建新颗粒进行了化学分析、成分鉴定和定量分析。除了部分最小二乘法判别分析(PLS-DA)之外,还采用主成分分析法(PCA)评估了技术活性成分与生物复方药理活性成分之间的相关性。开发并调整了超高效液相色谱-质谱(UHPLC-QTOFMS/ MS)这一代谢组学方法来表征建心颗粒,其中包括 178 至 216 个分子特征。采用单一外源参考内标对建新颗粒中 95 个常出现的分子特征进行了定量分析。利用不同的数据库鉴定了其中的 47 个分子特征,包括 2 个糖基甘油衍生物、2 个脂类、2 个螺类化合物、2 个环己烷羧酸、2 个苷类化合物、5 个萜类化合物、7 个低聚肽类、17 个 favonoids,以及 8 个各种化合物,如羟基香豆素、查尔酮、苯并呋喃、苯并二恶唑、苯甲醛、芳香酮和烷基咖啡酸酯。该方法可靠、重现性好,适用于建心颗粒中药理活性成分的鉴定、定量和质量评估等多种应用。
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引用次数: 0
Chemical Composition, Antifungal, Antibacterial, Antioxidant, Antiviral and Cytotoxic Activities of Ruta chalepensis L. Fixed Oil from Saudi Arabia 沙特阿拉伯 Ruta chalepensis L. 固定油的化学成分、抗真菌、抗细菌、抗氧化、抗病毒和细胞毒活性
IF 0.5 4区 医学 Pub Date : 2024-07-01 DOI: 10.1166/jbmb.2024.2414
Luluah M. Al Masoudi, Hamida Hamdi, Abeer A. Abu Zaid
An aromatic plant is called Ruta chalepensis L. known locally as “Fidjel,” grows in rocky, arid places. Its pharmacological activities are pleiotropic. The goal of the present investigation was to use GCMS and HPLC analysis to identify the chemical constituents of oil extracted from Ruta chalepensis L. and assess its antibacterial, antifungal, antioxidant, antiviral, and anticancer properties. Linoleic acid was the most predominant acid found in Ruta chalepensis L. oil, then oleic acid, palmitic acid, and linolenic acid. 13.64 μg/mL of tocopherol (α-, β-, and γ-tocopherol) was identified. The primary phytosterols are β-sitosterol and campesterol. At 200 μL/mL of Ruta chalepensis L. oil, phenolic components rated 84.4 GAE/mL and had 94.0% antioxidant activity. Zone inhibition efficacy of Ruta chalepensis L. oil against microbial strains, particularly E. coli with a diameter of 42.3 mm, was demonstrated. MBC (30 μL/mL and 40 μL/mL) are the bactericidal action against E. coli and S. aureus, while MIC bacteriostatic (30 μL/mL) was also demonstrated. However, Ruta chalepensis L. oil was ineffective against Saccharomyces cervisia and fungal strains. Weak inhibitory impact of Ruta chalepensis L. oil was observed against the PC-3 (prostate cancer) cell line. Nonetheless, it had a significant inhibitory impact on the A2780 (ovarian cancer) cell line. At 100 μg/mL of oil, Ruta chalepensis L. oil showed a low antiviral impact (7.93±2.03%) against the herpes simplex virus type 2 (HSV-2). Oil from Ruta chalepensis L. is a promising option for the medical management of non- transmissible illnesses, since it is wealthy in antioxidants and bioactive substances.
Ruta chalepensis L.是一种芳香植物,在当地被称为 "Fidjel",生长在多岩石的干旱地区。它具有多种药理活性。本研究的目的是利用 GCMS 和 HPLC 分析法确定从 Ruta chalepensis L. 提取的油中的化学成分,并评估其抗菌、抗真菌、抗氧化、抗病毒和抗癌特性。在 Ruta chalepensis L. 油中发现的最主要的酸是亚油酸,其次是油酸、棕榈酸和亚麻酸。鉴定出 13.64 μg/mL 的生育酚(α-、β- 和 γ-生育酚)。主要的植物甾醇是β-谷甾醇和坎培甾醇。当 Ruta chalepensis L. 油的浓度为 200 μL/mL 时,酚类成分为 84.4 GAE/mL,抗氧化活性为 94.0%。鲁塔油对微生物菌株,尤其是大肠杆菌的抑制区直径为 42.3 毫米。MBC (30 μL/mL 和 40 μL/mL)是对大肠杆菌和金黄色葡萄球菌的杀菌作用,而 MIC 抑菌作用(30 μL/mL)也得到了证实。然而,胡芦巴油对雪腐酵母菌和真菌菌株无效。鲁塔油对 PC-3(前列腺癌)细胞系的抑制作用较弱。不过,它对 A2780(卵巢癌)细胞株有明显的抑制作用。在 100 μg/mL 的油中,Ruta chalepensis L. 油对单纯疱疹病毒 2 型(HSV-2)的抗病毒作用较低(7.93±2.03%)。Ruta chalepensis L.油富含抗氧化剂和生物活性物质,因此是治疗非传染性疾病的一种很有前景的选择。
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引用次数: 0
Morphological, Molecular Identification and Genetic Diversity Assessment of Three Terrestrial Isopods from the High-Altitude Region 高海拔地区三种陆生等脚类动物的形态、分子鉴定和遗传多样性评估
IF 0.5 4区 医学 Pub Date : 2024-07-01 DOI: 10.1166/jbmb.2024.2405
Montaser M. Hassan, B. Albogami, T. Mwabvu, M. M. Hassan, Mohamed F. Awad, Ayman Sabry, Mohamed Ismail, Mona A. Farid, M. Elsharkawy
Terrestrial specimens were collected from Ashshafa, a south-western highland area in Saudi Arabia. Three species, i.e., Porcellio laevis, Porcellionides pruinosus (Porcellionidae), and Armadillidium vulgare (Armadillidiidae), were identified in this study based on their morphological characteristics. Partial mitochondrial cytochrome C oxidase subunit I (COI) gene sequences were used for DNA barcoding and biodiversity assessments. A phylogenetic tree of 22 haplotypes from 35 specimens of the three isopod species was drawn from the most similar sequences obtained from BLAST with the associated accession numbers. The tree included two clades. The first clade included samples of P. laevis and P. pruinosus, whereas the second clade included samples of A. vulgare. Each identified species formed a distinct subclade within the main clade, along with similar sequences obtained from the NCBI database. The heat map of genetic distance among haplotypes shows the haplotype diversity (Hd) ranged from 0.590 to 0.933 (mean = 0.767) and total nucleotide diversity (πT) ranged from 0.001 to 0.089 (mean=0.049), with a similar trend observed for nucleotide diversity per site (θw) ranged from 0.001 to 0.80 (mean = 0.049). In contrast, synonymous nucleotide diversity (πs), mean=0.009, was low compared to nonsynonymous nucleotide diversity (πs), mean=0.060, across all species. In conclusion, the morphological identification of terrestrial isopods was confirmed using COI gene sequencing of mitochondrial DNA. These results will be helpful in developing a deeper isopod identification method.
陆生标本采集自沙特阿拉伯西南部高原地区阿什沙法。根据其形态特征,本研究确定了三个物种,即 Porcellio laevis、Porcellionides pruinosus(Porcellionidae)和 Armadillidium vulgare(Armadillidiidae)。部分线粒体细胞色素 C 氧化酶亚单位 I(COI)基因序列被用于 DNA 条形编码和生物多样性评估。根据 BLAST 获得的最相似序列和相关的登录号,从 35 个等足类动物标本中提取了 22 个单倍型,并绘制了一棵系统发生树。该树包括两个支系。第一个支系包括 P. laevis 和 P. pruinosus 的样本,而第二个支系包括 A. vulgare 的样本。每个已确定的物种都与从 NCBI 数据库中获得的相似序列在主支系中形成了一个独特的亚支系。单倍型之间遗传距离的热图显示,单倍型多样性(Hd)在 0.590 至 0.933 之间(平均值=0.767),总核苷酸多样性(πT)在 0.001 至 0.089 之间(平均值=0.049),每个位点的核苷酸多样性(θw)在 0.001 至 0.80 之间(平均值=0.049),观察到类似的趋势。相反,在所有物种中,同义核苷酸多样性(πs)(平均值=0.009)比非同义核苷酸多样性(πs)(平均值=0.060)低。总之,线粒体 DNA COI 基因测序证实了陆生等脚类动物的形态鉴定。这些结果将有助于开发更深入的等足类鉴定方法。
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引用次数: 0
Treatment on Acute Liver Injury with Tian Jing Yi Xue Decoction by Repressing the PI3K/AKT/mTOR Signaling Pathway and Reducing Inflammation 通过抑制 PI3K/AKT/mTOR 信号通路和减轻炎症反应,天景益雪煎剂治疗急性肝损伤
IF 0.5 4区 医学 Pub Date : 2024-03-01 DOI: 10.1166/jbmb.2024.2358
Xun Zhang, Shilei Song, Miaodong Wang, Zhifeng Wei, Xin Deng
The increasing incidence of drug-induced acute liver injury (ALI) has drawn global attention to this health concern. Tian Jing Yi Xue Decoction (TJYXD), an ancient formula, has shown potential clinical efficacy for ALI. However, no studies have yet confirmed its effectiveness in treating ALI. In this study, we investigate the therapeutic potential of TJYXD in H2O2-induced HepG2 cell injury and CCl4-induced liver injury in Sprague-Dawley rats. High-performance liquid chromatography-mass spectrometry was used to analyze TJYXD components. Network pharmacology was employed to predict its mechanisms and effective components for ALI treatment, followed by experimental verification. In cellular experiments, 2 mg/mL TJYXD significantly reduced the levels of alanine transaminase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase (ALP). In animal experiments, TJYXD significantly decreased the levels of ALT, ALP, and malondialdehyde and increased the level of superoxide dismutase. Histopathological analysis with Hematoxylin and Eosin staining and Masson staining further confirmed the efficacy of TJYXD compared to silymarin in treating ALI. Moreover, we determined that the therapeutic effects of TJYXD in the treatment of ALI were attributed to its inhibition of the PI3K/AKT/mTOR pathway and reduction in both serum and livers levels of transforming growth factor-β 1, interleukin-6, tumor necrosis factor-α. Furthermore, quercetin, apigenin, and luteolin were speculated to be the main active constituents. In conclusion, TJYXD demonstrates remarkable efficacy both in vitro and in vivo for the treatment of ALI by enhancing immunity and suppressing inflammation. Furthermore, TJYXD holds promise as a first-line or adjunctive therapeutic agent.
药物诱发急性肝损伤(ALI)的发病率不断上升,引起了全球对这一健康问题的关注。古方天精一雪煎对急性肝损伤具有潜在的临床疗效。然而,尚未有研究证实其治疗 ALI 的有效性。在本研究中,我们探讨了天青雪黛对 H2O2- 诱导的 HepG2 细胞损伤和 CCl4 诱导的 Sprague-Dawley 大鼠肝损伤的治疗潜力。采用高效液相色谱-质谱法分析了 TJYXD 的成分。利用网络药理学预测了其治疗 ALI 的机制和有效成分,并进行了实验验证。在细胞实验中,2 mg/mL TJYXD 能显著降低丙氨酸转氨酶(ALT)、天冬氨酸转氨酶(AST)和碱性磷酸酶(ALP)的水平。在动物实验中,TJYXD 能明显降低 ALT、ALP 和丙二醛的水平,提高超氧化物歧化酶的水平。用苏木精、伊红染色法和马森染色法进行的组织病理学分析进一步证实,与水飞蓟素相比,TJYXD 在治疗 ALI 方面具有更好的疗效。此外,我们还发现,TJYXD 在治疗 ALI 方面的疗效归功于其对 PI3K/AKT/mTOR 通路的抑制,以及对血清和肝脏中转化生长因子-β 1、白细胞介素-6、肿瘤坏死因子-α 水平的降低。此外,槲皮素、芹菜素和木犀草素被推测为主要活性成分。总之,TJYXD 通过增强免疫力和抑制炎症,在体外和体内治疗 ALI 方面均显示出显著疗效。此外,TJYXD 还有望成为一线或辅助治疗药物。
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引用次数: 0
Investigation of Properties and Product Development from the Industrial Fiber Crops (Musa acuminata) Biowaste 调查工业纤维作物(尖嘴蕈)生物废料的特性和产品开发
IF 0.5 4区 医学 Pub Date : 2024-03-01 DOI: 10.1166/jbmb.2024.2359
J. Dhesinghraja, K. Mayandi, N. Rajini, C. Prakash, Nadir Ayrilmis, Faruq Mohammad, H. Al-Lohedan, Sikiru O. Ismail
One of the most common concerns worlds over is negating the harmful effects of human-generated waste through the RRR principle–reduce, reuse and recycle. One of the methods of achieving this is by the use of biodegradable materials for producing products for our daily use. One such product that contributes to huge waste generation is sanitary napkins and synthetic fabrics. This research deals with fibers derived from natural sources can be used for manufacturing sanitary napkins, yarn, fabrics. The Musa acuminata wild species H2O treated and alkali treated (4% NaOH) banana fibers were taken to develop a biodegradable sanitary napkin and fabrics, which is one of the big industrial crops biomass. These fibres were machine extracted only from the pseudo-banana stem. The biomass level was measured and physical (166.2–220.4 µ m), chemical (Cellulose 57–66%), and structural analyses (XRD, FTIR, SEM, EDAX) of alkali (NaOH) and water-treated (H2O) fibers were identified. The antibacterial, antifungal property, moisture regain (12%) and fibre absorbency (43–64%) were discussed as per the standard of CTL/SOP/MICRO/004. The napkin test report has been taken as per IS 5405-1980 & 1390-1961 standards that was to be compared with the standard values. The napkin test parameters such as absorbency level, disposable, pH value, cost analysis, biodegradability level, and consumer perception were found. Finally, the basic yarn (20 s & 5 s) and fabric (C/B blend & weft banana) tests were carried out.
全世界最普遍关注的问题之一,就是通过减量、再利用和再循环原则来消除人类产生的废物的有害影响。实现这一目标的方法之一就是使用可生物降解的材料来生产我们日常使用的产品。卫生巾和合成纤维织物就是产生大量废物的产品之一。本研究涉及可用于生产卫生巾、纱线和织物的天然纤维。研究人员采用经过 H2O 处理和碱处理(4% NaOH)的香蕉纤维来开发可生物降解的卫生巾和织物,香蕉是一种重要的生物质工业作物。这些纤维仅从假香蕉茎中用机器提取。测量了生物量水平,并对碱处理(NaOH)和水处理(H2O)纤维进行了物理(166.2-220.4 µ m)、化学(纤维素 57-66%)和结构分析(XRD、FTIR、SEM、EDAX)。根据 CTL/SOP/MICRO/004 标准,讨论了抗菌、抗真菌性能、回潮率(12%)和纤维吸水性(43-64%)。根据 IS 5405-1980 和 1390-1961 标准,餐巾纸测试报告将与标准值进行比较。餐巾纸测试参数包括吸水性、一次性、pH 值、成本分析、生物降解性和消费者感知。最后,还进行了基本的纱线(20 秒和 5 秒)和织物(C/B 混纺和纬纱香蕉)测试。
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引用次数: 0
Study on the Pyrolysis Characteristics of Tobacco Stems Under Different Steam Explosion Pressures 不同蒸汽爆破压力下烟草梗热解特性研究
IF 0.5 4区 医学 Pub Date : 2024-03-01 DOI: 10.1166/jbmb.2024.2373
Ze Liu, Chenhao Song, Wen Zuo, Siyuan Li, Fayong Wang, Chao Gui, Gaoxiang Xu, Ji Yang, Wei Zhang, Liang Fu, Qianxu Yang, Guofu Zhou, Chuanjiao Gao, Xingyong Li, Yubao Chen
Thermal weight loss behavior of tobacco stems is the key to studying the chemical properties of tobacco stalks. In this research, four steam explosion pressure gradients with three heating rates were investigated for the pyrolysis characteristics of tobacco stems. Three methods were employed to analyze pyrolysis reaction kinetics. The results showed that pyrolysis of tobacco stems consists of three phases: dehydration, degradation, and carbonization. The influence of steam explosion pressure on the thermal stability of tobacco stems was as follows: 0.5 MPa > 0.2 MPa > 0.8 MPa > block sample > 1.1 MPa. The pyrolysis of tobacco stems followed the first-order reaction kinetics equation, and the pyrolysis experiments fit the Kissinger equation, Tang equation, and Hu-Gao-Zhang equation well. The experimental results provide a reference for research on the subject of pyrolysis of tobacco stems.
烟梗的热失重行为是研究烟梗化学特性的关键。本研究采用四种蒸汽爆炸压力梯度和三种加热速率研究了烟梗的热解特性。采用三种方法分析了热解反应动力学。结果表明,烟梗热解包括脱水、降解和碳化三个阶段。汽爆压力对烟草烟梗热稳定性的影响如下:0.5 MPa > 0.2 MPa > 0.8 MPa > 块样 > 1.1 MPa。烟梗热解遵循一阶反应动力学方程,热解实验结果与基辛格方程、唐方程、胡高张方程拟合良好。实验结果为烟草茎杆热解课题研究提供了参考。
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引用次数: 0
Effects of Curcuma longa L. and Piper nigrum L. Against Methicillin Resistant Staphylococcus aureus and Infectious Angiogenesis 姜黄和胡椒对耐甲氧西林金黄色葡萄球菌和感染性血管生成的影响
IF 0.5 4区 医学 Pub Date : 2024-03-01 DOI: 10.1166/jbmb.2024.2363
Ghulam Jilany Khan, Zil E. Humma, M. O. Omer, Adeel Sattar, I. Altaf, Zhu Chen, Song Li, Hiui Chen, Yan Deng, Nongyue He
Methicillin drug resistant Staphylococcus aureus is a challenging microbe among bacteria borne infectious diseases and is extremely difficult to treat because of resistive nature of pathogen. Therefore, new agents are always needed to treat MRSA associated infections. Extracts from plants have been in medicinal practice since early ages of mankind. Current research is meant to discern the therapeutic aspects of Piper nigrum L. and Curcuma longa L. as solo or in combinatory medicinal agent against bacterial strains and associated infectious angiogenesis. The individual MICs of Curcuma longa and Piper nigrum calculated by agar well diffusion method were 1.56 mg/mL and 12.5 mg/mL respectively whereas the MIC of the combination of Curcuma longa and Piper nigrum was 0.062 mg/mL, indicating significant decrease in effective MIC in combination. FICI value was 0.034 ≤ 0.5 that confirmed the synergistic antibacterial activity of the combination extract. MTT assay showed that the cell survival percentage and IC50 values of Curcuma longa L., Piper nigrum L. and their combination were 69%, 41%, 80% and 38.3 ± 2.82, 9.92 ± 1.84, 62 ± 5.32 respectively indicating therapeutic doses were non-toxic. Further antibacterial activity of extracts showed promising antibacterial effects against MRSA. Effects on infectious angiogenesis were observed by CAM assay which revealed that when Curcuma longa L. and Piper nigrum L. were used in combination, inhibition of neovascularization was more promising as compared to individual effect which further testified the synergistic effect of Piper nigrum L. Present study accumulatively reports the novel potential utility of Curcuma longa L. and Piper nigrum L. extracts in a synergistic way against MRSA infection by interfering the mechanism of infectious angiogenesis and bactericidal action; suggesting further investigation to isolate active compounds for bactericidal and anti-infectious antiangiogenic activities that may serve as therapeutic agents in the modern field of medicine.
耐甲氧西林金黄色葡萄球菌是细菌传播的传染病中一种具有挑战性的微生物,由于病原体具有抗药性,因此极难治疗。因此,治疗与 MRSA 相关的感染总是需要新的药物。从植物中提取的精华早在人类早期就被用于医药实践。目前的研究旨在发现黑胡椒和莪术作为单独或联合药剂对细菌菌株和相关感染性血管生成的治疗作用。用琼脂井扩散法计算出的姜黄和胡椒的单药 MIC 分别为 1.56 毫克/毫升和 12.5 毫克/毫升,而姜黄和胡椒联合用药的 MIC 为 0.062 毫克/毫升,表明联合用药的有效 MIC 显著降低。FICI 值为 0.034 ≤ 0.5,证实了组合提取物的协同抗菌活性。MTT 试验表明,姜黄、胡椒和它们的组合提取物的细胞存活率和 IC50 值分别为 69%、41%、80% 和 38.3 ± 2.82、9.92 ± 1.84、62 ± 5.32,表明治疗剂量无毒。萃取物的进一步抗菌活性显示了对 MRSA 的抗菌效果。通过 CAM 试验观察了对感染性血管生成的影响,结果显示当姜黄和胡椒联合使用时,对新生血管生成的抑制作用比单独使用时更强,这进一步证明了胡椒的协同作用。和瓜蒌提取物通过干扰感染性血管生成机制和杀菌作用,以协同方式对抗 MRSA 感染的新的潜在效用;建议进一步研究分离出具有杀菌和抗感染抗血管生成活性的活性化合物,以作为现代医学领域的治疗药物。
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引用次数: 0
Combination of Qingfei Huayu Decoction and Targeted Nursing Care Improves the Clinical Outcomes in Pediatric Patients with Mycoplasma Pneumoniae Pneumonia 清瘟化瘀汤联合针对性护理改善小儿肺炎支原体肺炎患者的临床疗效
IF 0.5 4区 医学 Pub Date : 2024-03-01 DOI: 10.1166/jbmb.2024.2356
Zheng Hua, Li Shu, Xiangjun Wu, Qian Zhu, Chao Li
To explore the efficacy of the combined use of Qingfei Huayu decoction (QFHYD) and targeted nursing care in pediatric cases of Mycoplasma Pneumoniae pneumonia (MPP). One hundred and twenty pediatric cases of MPP admitted to our hospital from January 2021 to December 2022 were selected and randomly divided into control (n = 60) and experimental (n = 60) groups. The control group (CG) was treated with targeted nursing care in conjunction with conventional Western medicine, while the experimental group (EG) received QFHYD in addition to the CG’s treatment. Clinical efficacy, symptom relief time, and levels of inflammatory markers were recorded. Subsequently, a mouse model of MPP was established to investigate the effects of QFHYD on bacterial load in lung tissues, tissue damage, and the expression of members of the Notch pathway. The symptom relief times for cough, fever, and pulmonary rales were shorter in the EG than in the CG (all P < 0. 001). After treatment, interleukin-6 (IL-6) and IL-8 levels decreased in both groups, with the levels being lower in the EG (both P < 0. 001). Mouse model results showed that both azithromycin alone and in combination with QFHYD could reduce bacterial loads in bronchoalveolar lavage fluid and lung injury scores (all P < 0. 001), with the combination showing more significant effects. Furthermore, western blotting indicated significant reductions in the relative protein levels of Notch1 and Notch2 in mouse lung tissues, with the combination showing more significant effects (all P < 0. 001). In pediatric MPP, the combination of QFHYD and targeted nursing care can significantly enhance clinical efficacy, accelerate symptom relief, and improve the body’s inflammatory state. Based on animal studies, we speculate that the action of QFHYD may be related to the Notch pathway.
摘要] 目的 探讨清瘟化瘀汤联合针对性护理对小儿肺炎支原体肺炎(MPP)的疗效。选取我院2021年1月至2022年12月收治的120例小儿支原体肺炎病例,随机分为对照组(n=60)和实验组(n=60)。对照组(CG)在常规西医治疗的基础上进行针对性护理,实验组(EG)在CG治疗的基础上进行QFHYD治疗。记录临床疗效、症状缓解时间和炎症标志物水平。随后,建立了 MPP 小鼠模型,以研究 QFHYD 对肺组织细菌负荷、组织损伤和 Notch 通路成员表达的影响。与 CG 相比,EG 的咳嗽、发热和肺部啰音症状缓解时间更短(均 P < 0.)治疗后,两组的白细胞介素-6(IL-6)和IL-8水平均有所下降,EG的水平更低(均为P < 0. 001)。小鼠模型结果显示,单用阿奇霉素和与 QFHYD 联用均可减少支气管肺泡灌洗液中的细菌量和肺损伤评分(均 P < 0. 001),其中联用效果更显著。此外,Western 印迹显示,小鼠肺组织中 Notch1 和 Notch2 的相对蛋白水平显著降低,联合用药的效果更明显(所有 P < 0.)在小儿MPP中,QFHYD与针对性护理相结合,可显著提高临床疗效,加快症状缓解,改善机体炎症状态。根据动物实验,我们推测QFHYD的作用可能与Notch通路有关。
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引用次数: 0
Bifidobacteria and Lactobacillus rhamnosus Affecting Respiratory Infections and Immune Function in Children 双歧杆菌和鼠李糖乳杆菌对儿童呼吸道感染和免疫功能的影响
IF 0.5 4区 医学 Pub Date : 2024-03-01 DOI: 10.1166/jbmb.2024.2364
Jingwen Wu, Lin He, Shumei Liang
The major content of this article is to make a detailed analysis of the effects of Bifidobacteria and Lactobacillus rhamnosus in pediatric RTI and immune function. 79 healthy children attended in Women’s & Children’s Central Hospital of Chengdu were enrolled. They were partitioned into the probiotic group and the placebo group. The probiotic group was offered with the supplemental probiotic solid beverages (Bifidobacterium and Lactobacillus rhamnosus) every day, and this lasted for 12 weeks. The placebo group was offered with the solid beverages without probiotics. Venous peripheral blood was taken on an empty stomach at 0 and 12 weeks, and flow cytometry measured the CD3+, CD4+, CD8+ lymphocyte levels and the CD4+/CD8+ ratios in peripheral blood. Enzyme-linked immunosorbent assay detects interleukin-2, IL-8, IL-10, Tumor Necrosis Factor-, Interferon ƒ, IgG, IgM, and IgA levels in peripheral blood. Kaplan-Meier curves analyzed the cumulative probability of first-time RTI during the study. After the study, during the intervention, the probability of RTI, the times of RTI occurrences, the times of colds and the duration of RTI in children from the probiotic group were lower than those from the placebo group. The NK cell activity, immunoglobulins (IgA, IgG and IgM), and the CD3+, CD4+/CD8+ T, CD4+ cells increased in the probiotic group, while the CD8+ T cells decreased. In the probiotic group, the IL-10 levels were higher than the levels before the intervention. However, if the results of the placebo group are compared, then none of the above obtained structural data has statistical value. IFN-ƒ levels in the probiotic group were higher than the ones in the placebo group.
本文的主要内容是详细分析双歧杆菌和鼠李糖乳杆菌对小儿RTI和免疫功能的影响。成都市妇女儿童中心医院收治了 79 名健康儿童。他们被分为益生菌组和安慰剂组。益生菌组每天补充益生菌固体饮料(双歧杆菌和鼠李糖乳杆菌),持续12周。安慰剂组则饮用不含益生菌的固体饮料。在 0 周和 12 周时空腹抽取静脉外周血,用流式细胞术测量外周血中 CD3+、CD4+、CD8+ 淋巴细胞水平以及 CD4+/CD8+ 比率。酶联免疫吸附试验检测外周血中白细胞介素-2、IL-8、IL-10、肿瘤坏死因子、干扰素ƒ、IgG、IgM 和 IgA 的水平。卡普兰-梅耶曲线分析了研究期间首次发生 RTI 的累积概率。研究结束后,在干预期间,益生菌组儿童的 RTI 发生概率、RTI 发生次数、感冒次数和 RTI 持续时间均低于安慰剂组。益生菌组儿童的 NK 细胞活性、免疫球蛋白(IgA、IgG 和 IgM)、CD3+、CD4+/CD8+ T、CD4+ 细胞增加,而 CD8+ T 细胞减少。益生菌组的 IL-10 水平高于干预前的水平。但是,如果与安慰剂组的结果进行比较,则上述结构数据均不具有统计价值。益生菌组的 IFN-ƒ 水平高于安慰剂组。
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引用次数: 0
Hurdles Techniques (Combined Effects): A Novel Approach for Enhanced Broccoli Florets Stability, Quality, and Safety 障碍技术(综合效应):提高西兰花小花稳定性、质量和安全性的新方法
IF 0.5 4区 医学 Pub Date : 2024-03-01 DOI: 10.1166/jbmb.2024.2370
Ashraf Nagib, R. Sami, Huda Aljumayi, G. Alshehry, Eman Algarni, Amina A. M. Al-Mushhin, Saleh Al-Ghamdi, Zeyad M. Alharbi, Fawaz Aljuhani, I. M. Taha
This study demonstrates the changes in broccoli heads samples sensory, physicochemical, chemias blanching at 100 °C for 90 seconds, then dipping for 10 minutes in a coating solution concal, and microbial load after harvest. The samples were preserved using hurdles techniques such taining 0.15% potassium metabisulfite, 4% sodium chloride, 1% citric, 0.2% sodium benzoate and 1% chitosan. After coating samples were divided into two groups, one packaged using the aerobic method (A.P), and the other by vacuum method (V.P). Coated broccoli was stored at two conditions (ambient at 25 ± 3 °C and refrigeration at 4 ± 1 °C) for different period intervals. The control sample was blanched and packaged aerobically (uncoated). The combined treatments delayed the development loss of weight, titratable acid (TA), chlorophyll, and carotenoids, and prevented the growth of aerobic, anaerobic, psychrotrophic, coli form, mold, and yeast in the stored samples. Coated plus V.P. treatment demonstrated the highest weight, pigments, and TA values during storage. Further-more, it achieved the highest score in sensory evaluation after 50 and 240 days of both ambient and cold storage. Moreover, it inhibited the growth of tested microorganisms. So best treatment for the preservation of broccoli between 50 and 240 days of storage period was coated plus V.P. The combined technology application will lead to a safe product with optical shelf-life, improve microbial stability, and sensory quality. Thus, this technology is a technology that aims to improve the overall quality of food.
本研究展示了西兰花头样品收获后在感官、理化、化学方面的变化,先在 100 °C 下烫 90 秒,然后在涂层溶液中浸渍 10 分钟,最后在微生物负荷方面也发生了变化。样品采用防腐技术保存,如 0.15%焦亚硫酸钾、4%氯化钠、1%柠檬酸、0.2%苯甲酸钠和 1%壳聚糖。涂层后的样品分为两组,一组采用有氧法(A.P)包装,另一组采用真空法(V.P)包装。将涂有涂层的西兰花在两种条件下(25 ± 3 °C 的常温和 4 ± 1 °C 的冷藏)储存不同的时间间隔。对照样本则进行焯水和有氧包装(无涂层)。综合处理可延缓重量、可滴定酸(TA)、叶绿素和类胡萝卜素的发育损失,并防止贮藏样品中需氧菌、厌氧菌、精神营养菌、大肠杆菌、霉菌和酵母菌的生长。涂层加 V.P. 处理在贮藏期间显示出最高的重量、色素和 TA 值。此外,在常温和低温贮藏 50 天和 240 天后,它的感官评价得分最高。此外,它还能抑制测试微生物的生长。因此,在 50 到 240 天的贮藏期内保存西兰花的最佳处理方法是涂层加 V.P.。因此,该技术是一项旨在提高食品整体质量的技术。
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引用次数: 0
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Journal of Biobased Materials and Bioenergy
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