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Synthesis and Anticancer Activity of Oral Pt(IV) Prodrugs Containing α-furancarboxylate as an Axial Ligand 以α-呋喃羧酸盐为轴向配体的口服Pt(IV)前药的合成及其抗癌活性
4区 医学 Q3 Pharmacology, Toxicology and Pharmaceutics Pub Date : 2023-10-20 DOI: 10.2174/0115701808257585231016055814
Anli Gao, Peng Zhou, Juan Yu, Min Luo, Jing Jiang, Ling Zhang, Weiping Liu, Chen Qing
Background:: The clinical applications of platinum-based anticancer drugs are largely compromised by side effects and drug resistance. Therefore, novel platinum-based anticancer drugs with improved injected or oral therapeutic index and low resistance need to be developed. background: The clinical applications of platinum-based anticancer drugs are largely compromised by side effects anddrug resistance. Therefore, novel platinum-based anticancer drugs with improved injected or oral therapeutic index and low resistance need to be developed. Objective:: This study aimed at the synthesis and anticancer activity testing of Pt(IV) prodrugs containing α-furancarboxylate as an axial ligand. This would pave the way for obtaining novel Pt(IV) prodrugs with better anticancer activity by comparing the anticancer activity with their parent platinum( II) complexes. objective: This study aimed at the synthesis, anticancer activity testing of Pt(IV) prodrugs containing α-furancarboxylate as an axial ligand. This would pave way for obtaining novel Pt(IV) prodrugs with better anticancer activity by comparing the anticancer activity with their parent platinum(II) complexes. Methods:: In this study, synthesis, in vitro cytoxicity assay, and in vivo anticancer activity evaluation of three Pt(IV) complexes, cis,trans,cis-[Pt(NH3)2(OH)(α-furancarboxylato)Cl2] (FPt-1), cis,trans,cis- [Pt(NH3)2(OH)(α-furancarboxylato)(1,1'-cylobutanedicarboxylato)] (FPt-2), and cis,trans,cis- [Pt(1R,2R-diaminocyclohexane)(OH)(α-furancarboxylato)(C2O4)] (FPt-3), were carried out. Results:: Three Pt(IV) complexes exhibited considerable cytoxicity against the tested human cancer cells (MCF-7, A549 and HCT116), which was found to be slightly lower than the corresponding Pt(II) drugs. However, FPt-1 and FPt-3 displayed comparable antitumor efficacy to cisplatin and oxaliplatin in the murine S180 sarcoma model after intraperitoneal administration. More importantly, the intragastric administration test indicated the antitumor efficacy of FPt-3 to be much greater than oxaliplatin. result: Three Pt(IV) complexes exhibit considerable cytoxicity against the tested human cancer cells (MCF-7, A549 and HCT116), lower than the corresponding Pt(II) drugs. However, FPt-1 and FPt-3 display comparable antitumor efficacy to cisplatin and oxaliplatin in murine S180 sarcoma model after intraperitoneal administration. More importantly, intragastric administration test indicates that the antitumor efficacy of FPt-3 is much greater than oxaliplatin. Conclusion:: FPt-3 has shown excellent oral antitumor activity and it could be administrated in an oral dosage form. other: No.
背景:铂类抗癌药物的临床应用很大程度上受到副作用和耐药性的影响。因此,需要开发注射或口服治疗指数提高、耐药低的新型铂基抗癌药物。背景:铂类抗癌药物的临床应用很大程度上受到副作用和耐药性的影响。因此,需要开发注射或口服治疗指数提高、耐药低的新型铂基抗癌药物。目的:研究以α-糠醛羧酸盐为轴向配体的Pt(IV)前药的合成及其抗癌活性。这将为通过与铂(II)配合物的抗癌活性比较,获得具有更好抗癌活性的新型铂(IV)前药铺平道路。目的:研究以α-呋喃羧酸酯为轴向配体的Pt(IV)前药的合成及其抗癌活性。这将为通过与铂(II)配合物的抗癌活性比较,获得具有更好抗癌活性的新型铂(IV)前药铺平道路。方法:采用顺式、反式、顺式-[Pt(NH3)2(OH)(α-呋喃羧酸酯)Cl2] (FPt-1)、顺式、反式、顺式-[Pt(NH3)2(OH)(α-呋喃羧酸酯)(1,1′-环丁烷二羧酸酯)](FPt-2)、顺式、反式、顺式-[Pt(1R, 2r -二氨基环己烷)(OH)(α-呋喃羧酸酯)(C2O4)] (FPt-3)三种Pt(IV)配合物的合成、体外细胞毒性试验和体内抗癌活性评价。结果:三种Pt(IV)复合物(MCF-7、A549和HCT116)对被试人癌细胞表现出相当大的细胞毒性,其毒性略低于相应的Pt(II)药物。然而,腹腔给药后,FPt-1和FPt-3在小鼠S180肉瘤模型中显示出与顺铂和奥沙利铂相当的抗肿瘤效果。更重要的是,胃内给药试验显示FPt-3的抗肿瘤效果远高于奥沙利铂。结果:三种Pt(IV)复合物对人癌细胞(MCF-7、A549和HCT116)表现出相当大的细胞毒性,低于相应的Pt(II)药物。然而,腹腔给药后,FPt-1和FPt-3在小鼠S180肉瘤模型中显示出与顺铂和奥沙利铂相当的抗肿瘤效果。更重要的是,胃内给药试验表明FPt-3的抗肿瘤效果远大于奥沙利铂。结论:FPt-3具有良好的口服抗肿瘤活性,可作为口服给药。其他:没有。
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引用次数: 0
Periplaneta Americana Extract CII-3 (PAE CII-3) Triggers the Aging of K562 Cells by Modulating SIRT1/TSC2/mTOR Molecules 大planeta Americana Extract CII-3 (PAE CII-3)通过调节SIRT1/TSC2/mTOR分子触发K562细胞衰老
4区 医学 Q3 Pharmacology, Toxicology and Pharmaceutics Pub Date : 2023-10-19 DOI: 10.2174/0115701808252949231012113909
Si-Yue He, Xuan Wang, Ziyun Tang, Yue Zhou, Chenggui Zhang, Heng Liu, Ziying Bi, Minrui Li
Background: Chronic myeloid leukemia (CML) is considered a type of hematopoietic stem cell disease that affects the bone marrow and blood. Objective: This study aimed to investigate the possible role of the Periplaneta americana extract CII-3 (PAE CII-3) in the aging of K562 cells. Materials and Methods: The proliferation and cell cycle of K562 cells were determined using the CCK-8 assay and the cell cycle assay, respectively. K562 cells were stained with SA-β-Gal to evaluate cell aging. The mitochondrial membrane potential of K562 cells was detected with the JC-1 mitochondrial membrane potential assay kit. Telomerase activity was verified using the PCR assay. The transcription of silencing information regulator 2 related enzyme 1 (SIRT1), TSC2, and the mTOR gene were evaluated with RT-PCR assay. The expression of SIRT1, p-TSC2, and p-mTOR was examined using a Western blot assay. Results: PAE CII-3 at all concentrations (5, 10, 20, 40, 80, 160 µg/mL) demonstrated obvious inhibitory effects on K562 cell proliferation, among which 80 µg/mL showed the highest inhibitory effect. PAE CII-3 significantly blocked the cell cycle and reduced the colony-forming unit (CFU) of K562 cells compared to those in the Control group (p < 0.001). PAE CII-3 markedly increased positive SA-β-Gal staining K562 cells compared to the Control group (p < 0.001). PAE CII-3 significantly reduced mitochondrial membrane potential and decreased TERT gene transcription in K562 cells compared to those of the Control group (p < 0.001). The transcription of the SIRT1 gene (p < 0.01) and the TCS2 gene (p < 0.001) was markedly decreased, and the transcription of the mTOR gene (p < 0.05) was significantly increased in K562 cells treated with PAE CII-3 compared to those of the Control group. PAE CII-3 significantly decreased the expression of SIRT1 (p < 0.01) and p-TSC2 (p < 0.001) and upregulated the expression of p-mTOR (p < 0.01) in K562 cells compared to those of the Control group. Conclusion: PAE CII-3 treatment could trigger aging in K562 cells by activating the SIRT1/TSC2/mTOR signaling pathway. This study would provide a potential hypothesis of the mechanism by which PAE CII-3 treatment induces the aging of chronic myeloid leukemia cells.
背景:慢性髓性白血病(CML)被认为是一种影响骨髓和血液的造血干细胞疾病。目的:探讨美洲大蠊提取物CII-3 (PAE CII-3)在K562细胞衰老中的可能作用。材料与方法:分别采用CCK-8法和细胞周期法测定K562细胞的增殖和细胞周期。用SA-β-Gal染色观察K562细胞的衰老情况。采用JC-1线粒体膜电位测定试剂盒检测K562细胞线粒体膜电位。端粒酶活性用PCR法验证。RT-PCR检测沉默信息调控因子2相关酶1 (SIRT1)、TSC2和mTOR基因的转录水平。Western blot检测SIRT1、p-TSC2和p-mTOR的表达。结果:PAE CII-3各浓度(5、10、20、40、80、160µg/mL)对K562细胞增殖均有明显抑制作用,其中以80µg/mL抑制作用最强。与对照组相比,PAE CII-3显著阻断了K562细胞周期,降低了K562细胞的集落形成单位(CFU) (p <0.001)。与对照组相比,PAE CII-3显著增加了SA-β-Gal阳性染色K562细胞(p <0.001)。与对照组相比,PAE CII-3显著降低了K562细胞的线粒体膜电位和TERT基因转录(p <0.001)。SIRT1基因的转录(p <0.01)和TCS2基因(p <0.001)显著降低,mTOR基因转录(p <0.05),与对照组相比,PAE CII-3处理后K562细胞的凋亡率显著升高。PAE CII-3显著降低SIRT1的表达(p <0.01)和p- tsc2 (p <p- mtor表达上调(p <0.01),与对照组比较。结论:PAE CII-3处理可通过激活SIRT1/TSC2/mTOR信号通路引发K562细胞衰老。本研究为PAE CII-3治疗诱导慢性髓系白血病细胞衰老的机制提供了一种可能的假说。
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引用次数: 0
In silico Evaluation of the Feasibility of Magnolia officinalis Electronshuttling Compounds as Parkinson’s Disease Remedy 厚朴电子穿梭化合物治疗帕金森病可行性的计算机评价
4区 医学 Q3 Pharmacology, Toxicology and Pharmaceutics Pub Date : 2023-10-19 DOI: 10.2174/0115701808268549230919172444
Zaina Allyson A. Rivera, Lemmuel L. Tayo, Bor-Yann Chen, Po-Wei Tsai
Background: Parkinson’s Disease is one of the leading neurodegenerative disorders in the world. Currently, there is still no treatment that could completely cure the disease. Traditional Chinese Medicine has been a source for drug candidates, and many studies have elucidated its pharmacokinetic capabilities. Previous studies showed that Magnolia officinalis has anti-inflammatory, antioxidant, and bioenergy generation activities. Furthermore, the electron-shuttling and bioenergy-stimulating capabilities of herbal and brain disorder medicines have been linked to their effectiveness as a remedy. Objective: This preliminary study aims to evaluate the electron-shuttling compounds of Magnolia officinalis (i.e., acteoside, isoquercitrin, magnatriol B, obovatol, quercitrin, randaiol, and rutin) as potential drug candidates for Parkinson’s Disease. Method: The seven electron-shuttling compounds were individually docked to the five Parkinson’s Disease-related proteins, namely aromatic L-amino acid decarboxylase, α-synuclein, monoamine oxidase B, catechol-o-methyltransferase, and A2A adenosine receptor, using LibDock. ADMET predictions were also made to screen the compounds further. Results: Molecular docking results showed that all compounds have relatively high LibDock scores against the proteins, with acteoside, isoquercitrin, and rutin having the highest scores. However, considering the ADMET results, only magnatriol B, obovatol, and randaiol had optimal properties as candidates for neurodegenerative drugs. Conclusion: The electron-shuttling compounds of M. officinalis, magnatriol B, obovatol, and randaiol, have the potential to be a remedy for Parkinson’s Disease due to their high probability of binding to the proteins.
背景:帕金森病是世界上主要的神经退行性疾病之一。目前,还没有能够完全治愈这种疾病的治疗方法。中药一直是候选药物的来源,许多研究已经阐明了其药代动力学能力。已有研究表明厚朴具有抗炎、抗氧化和生物能源生成活性。此外,草药和脑部疾病药物的电子穿梭和生物能量刺激能力与它们作为治疗药物的有效性有关。目的:本初步研究旨在评价厚朴中具有电子穿梭作用的化合物(即:毛蕊花苷、异槲皮苷、magnatriol B、卵黄醇、槲皮苷、randaiol和芦丁)作为治疗帕金森病的潜在候选药物。方法:利用LibDock将7种电子穿梭化合物分别对接到5种帕金森病相关蛋白上,即芳香l-氨基酸脱羧酶、α-突触核蛋白、单胺氧化酶B、儿茶酚-o-甲基转移酶和A2A腺苷受体。ADMET预测也用于进一步筛选化合物。结果:分子对接结果表明,所有化合物对蛋白质均具有较高的LibDock得分,其中毛蕊糖苷、异槲皮苷和芦丁得分最高。然而,考虑到ADMET的结果,只有magnatriol B, obovatol和randaiol具有作为神经退行性药物的最佳候选特性。结论:马officinalis的电子穿梭化合物,magnatriol B, obovatol和randaiol,有潜力成为治疗帕金森病的药物,因为它们很可能与蛋白质结合。
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引用次数: 0
Bioinformatics Insights on the Physicochemical Properties of Hepatitis Virus Envelope Glycoproteins 肝炎病毒包膜糖蛋白理化性质的生物信息学研究
4区 医学 Q3 Pharmacology, Toxicology and Pharmaceutics Pub Date : 2023-10-18 DOI: 10.2174/0115701808264877231014175922
Carlos Polanco, Alberto Huberman, Vladimir N. Uversky, Enrique Hernández-Lemus E, Mireya Martínez-Garcia, Martha Rios Castro, Claudia Pimentel Hernández, Thomas Buhse, Gilberto Vargas-Alarcon, Francisco J. Roldan Gomez, Erika Jeannette López Oliva
Background: Globally, hepatitis B and C infect 400 million people, more than 10 times the number of people living with HIV. In 2019, it was estimated that 1.1 million people died as a result of the disease (PAHO/WHO, January 2023). Objective: This study aimed to conduct a computational analysis of the proteins that express the hepatitis virus envelope glycoproteins in order to gain insight into their function. Method: Different computational tools were used to calculate the Polarity Index Method 2.0v (PIM 2.0v) profile (previously titled Polarity Index Method profile) and the Protein Intrinsic Disorder Predisposition (PIDP) analyzed for each sequence, in addition to computational tools that made it possible to revise these proteins at the genetic level. Results: Both the PIM 2.0v profile and the PIDP profile of various hepatitis B and C virus envelope glycoproteins were able to reproduce the structural and morphological similarities that they had previously. The presence of certain patterns in each of these profiles made this accomplishment feasible. Conclusion: Computational programs could reproduce characteristic PIM 2.0v profiles of the hepatitis B and C virus envelope glycoproteins. This information is useful for a better understanding of this emerging virus.
背景:全球有4亿人感染乙型和丙型肝炎,是艾滋病毒感染者人数的10倍以上。2019年,估计有110万人死于该病(泛美卫生组织/世卫组织,2023年1月)。目的:本研究旨在对表达肝炎病毒包膜糖蛋白的蛋白进行计算分析,以深入了解其功能。方法:使用不同的计算工具计算极性指数方法2.0v (PIM 2.0v)谱(以前称为极性指数方法谱),并分析每个序列的蛋白质内在失调倾向(PIDP),此外还使用计算工具可以在遗传水平上修改这些蛋白质。结果:各种乙型和丙型肝炎病毒包膜糖蛋白的PIM 2.0v谱和PIDP谱都能够再现它们先前具有的结构和形态相似性。这些剖面中存在的某些模式使这一成就成为可能。结论:计算程序可以重现乙型和丙型肝炎病毒包膜糖蛋白的PIM 2.0v特征谱。这些信息有助于更好地了解这种新出现的病毒。
{"title":"Bioinformatics Insights on the Physicochemical Properties of Hepatitis Virus Envelope Glycoproteins","authors":"Carlos Polanco, Alberto Huberman, Vladimir N. Uversky, Enrique Hernández-Lemus E, Mireya Martínez-Garcia, Martha Rios Castro, Claudia Pimentel Hernández, Thomas Buhse, Gilberto Vargas-Alarcon, Francisco J. Roldan Gomez, Erika Jeannette López Oliva","doi":"10.2174/0115701808264877231014175922","DOIUrl":"https://doi.org/10.2174/0115701808264877231014175922","url":null,"abstract":"Background: Globally, hepatitis B and C infect 400 million people, more than 10 times the number of people living with HIV. In 2019, it was estimated that 1.1 million people died as a result of the disease (PAHO/WHO, January 2023). Objective: This study aimed to conduct a computational analysis of the proteins that express the hepatitis virus envelope glycoproteins in order to gain insight into their function. Method: Different computational tools were used to calculate the Polarity Index Method 2.0v (PIM 2.0v) profile (previously titled Polarity Index Method profile) and the Protein Intrinsic Disorder Predisposition (PIDP) analyzed for each sequence, in addition to computational tools that made it possible to revise these proteins at the genetic level. Results: Both the PIM 2.0v profile and the PIDP profile of various hepatitis B and C virus envelope glycoproteins were able to reproduce the structural and morphological similarities that they had previously. The presence of certain patterns in each of these profiles made this accomplishment feasible. Conclusion: Computational programs could reproduce characteristic PIM 2.0v profiles of the hepatitis B and C virus envelope glycoproteins. This information is useful for a better understanding of this emerging virus.","PeriodicalId":18059,"journal":{"name":"Letters in Drug Design & Discovery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135889731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Role of Neuronal Pathways in Gastrointestinal Cancers: Targets for Prevention and Treatment 神经通路在胃肠道肿瘤中的作用:预防和治疗的靶点
4区 医学 Q3 Pharmacology, Toxicology and Pharmaceutics Pub Date : 2023-10-18 DOI: 10.2174/0115701808258045231010102318
Mohadeseh Poudineh, Samaneh Mollazadeh, Shima Mehrabadi, Majid Khazaei, Seyed Mahdi Hassanian, Amir Avan
Abstract: In recent decades, the mortality and morbidity of Gastrointestinal (GI) cancer have remarkably increased, especially in younger individuals. Recent studies revealed that neuronal connections play an active part in GI tumor initiation and progression. Also, studies showed neurotransmitters and neuropeptides drive the activation of various oncogenic pathways downstream of neural receptors within cancer cells, underscoring the importance of neural signaling pathways in GI tumor malignancy. These studies show that the humoral and nervous pathways can transfer signals of tumors to the brain. But, the exact mechanism of this regulation from the brain to the gut is still unknown. In this review, we summarized the mechanism of the neuronal pathway in the regulation of promotion or suppression of GI cancer and oncogene activation, and we summarize recent findings linking the nervous system to GI tumor progression and highlight the importance of targeting neural mechanisms in GI tumor therapy
摘要:近几十年来,胃肠道(GI)癌症的死亡率和发病率显著增加,尤其是在年轻人中。最近的研究表明,神经元连接在胃肠道肿瘤的发生和发展中起着积极的作用。此外,研究表明,神经递质和神经肽驱动癌细胞内神经受体下游的各种致癌途径的激活,强调了神经信号通路在胃肠道肿瘤恶性肿瘤中的重要性。这些研究表明,体液和神经通路可以将肿瘤信号传递到大脑。但是,这种从大脑到肠道的调节的确切机制仍然未知。在这篇综述中,我们总结了神经元通路在调节促进或抑制胃肠道肿瘤和癌基因激活中的机制,总结了神经系统与胃肠道肿瘤进展之间的最新发现,并强调了靶向神经机制在胃肠道肿瘤治疗中的重要性
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引用次数: 0
In silico Investigation of Identified Major Metabolites from Coffea Arabica Leaves against Parkinson’s Disease Target Proteins for Neuroprotective Drug Development 阿拉比卡咖啡叶抗帕金森病主要代谢物的计算机研究及神经保护药物靶点蛋白的研究
4区 医学 Q3 Pharmacology, Toxicology and Pharmaceutics Pub Date : 2023-10-16 DOI: 10.2174/0115701808268540231011071359
Christine Joyce F. Rejano, Lemmuel L. Tayo, Bor-Yann Chen, Po-Wei Tsai
Introduction: Parkinson’s disease (PD) is a prevalent neurological disease characterized by the gradual degeneration of dopaminergic neurons leading to a dysfunctional central nervous system. Recently, major metabolites of Coffea arabica leaves were revealed to exhibit good electronshuttling potential in Microbial Fuel Cells (MFCs), similar to neurotransmitters dopamine and epinephrine. Objective: This In silico study aimed to identify the neuroprotective potentials of plant metabolites from coffee leaves and to determine their physicochemical and pharmacokinetic properties for developing viable anti-parkinsonian drug design. Methodology: Molecular docking was performed to evaluate the affinity of identified major compounds in C. arabica against PD-target proteins and compare the results with the binding activity of existing drugs and natural ligands of the identified protein targets via LibDock scores. The druglikeness and ADMET profiles of each ligand were also evaluated using bioinformatics tools. Results: C. arabica metabolites exhibited various degrees of binding activity against PD targets. LibDock scores of test compounds showed that catechin, mangiferin, and chlorogenic acid exhibited higher docking scores than dopamine and levodopa. Physicochemical and pharmacokinetics analysis of the selected molecules revealed caffeine, catechin, and chlorogenic acid as promising candidates for drug development with a low risk of drug toxicity. Conclusion: The present study indicates that Coffea arabica leaves contain promising neuroprotective active compounds against Parkinson’s disease.
简介:帕金森病(PD)是一种常见的神经系统疾病,其特征是多巴胺能神经元逐渐退化,导致中枢神经系统功能失调。最近,人们发现阿拉比卡咖啡叶的主要代谢物在微生物燃料电池(mfc)中表现出良好的电子穿梭潜力,类似于神经递质多巴胺和肾上腺素。目的:本研究旨在鉴定咖啡叶植物代谢物的神经保护作用,并确定其物理化学和药代动力学性质,为开发可行的抗帕金森病药物设计提供依据。方法:通过分子对接评估阿拉比卡咖啡中鉴定的主要化合物对pd靶蛋白的亲和力,并通过LibDock评分将结果与鉴定蛋白靶蛋白的现有药物和天然配体的结合活性进行比较。每个配体的药物相似性和ADMET谱也使用生物信息学工具进行了评估。结果:阿拉比卡咖啡代谢产物对PD靶点表现出不同程度的结合活性。测试化合物的LibDock得分显示,儿茶素、芒果苷和绿原酸的对接得分高于多巴胺和左旋多巴。对所选分子的理化和药代动力学分析表明,咖啡因、儿茶素和绿原酸具有较低的药物毒性风险,是有希望开发药物的候选者。结论:本研究表明,阿拉比卡咖啡叶含有抗帕金森病的神经保护活性化合物。
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引用次数: 0
Molecular Docking Simulations of Protoporphyrin IX, Chlorin e6, and Methylene Blue for Target Proteins of Viruses Causing Skin Lesions: Monkeypox and HSV 原卟啉IX、氯e6和亚甲基蓝对引起皮肤病变的病毒靶蛋白的分子对接模拟:猴痘和HSV
4区 医学 Q3 Pharmacology, Toxicology and Pharmaceutics Pub Date : 2023-10-16 DOI: 10.2174/0115701808247788230919172400
Israel Lara-Vega, Armando Vega-López
Background: The replication of monkeypox in the skin is critical to understanding its pathogenesis and spread. p37, a highly conserved 37 kDa peripheral membrane protein encoded by the F13L gene in Orthopoxvitidae is a validated target for anti-poxviral medication like tecovirimat, the first FDA-approved anti-poxviral drug that was approved in 2018. The detailed recognition mechanism of tecovirimat on p37 of monkeypox has not been fully clarified. As p37, HSV-1 gD and HSV-2 gD proteins of HSV are viral envelope glycoproteins identified as ligands for the human nectin-1 as a functional receptor of permissive cells. The use of non-damaging light for microbial inactivation (MI) has been documented for different virus like HSV, where photosensitizers (PSs) are used as lightresponsive agents which could generate antiviral responses primarily by oxidation. In addition, some PSs could elicit antiviral responses in a light-independent way by interacting within the viral-cell recognition sites. Objective: This paper aims to evaluate the formation of complexes between the latest structural data available on the range of monkeypox and HSV-1/2 envelope proteins with the approved PSs protoporphyrin IX, chlorin e6, and methylene blue. Methods: Ligands and receptors preparation, and molecular docking analyses were performed with Chimera and the Autodock Vina Software. Molecular docking and molecular dynamics simulation (MD) analyses for a 100 ns trajectory were also performed for the p37 – Methylene blue complex. Results: PSs studies were found to form complexes into the patch regions of recognition between HSV-1/2 gD and human receptors, while MB was found to form a complex with the p37 protein into de pocket region where tecovirimat acts. MD simulation showed stability in the interaction of MB with the pocket region of the p37 protein. Conclusion: The molecular mechanisms of potential dual antiviral activity for these complexes were clarified showing that MI with the use of these PSs could be further evaluated for viral skin lesions produced by monkeypox and HSV.
背景:猴痘在皮肤中的复制是了解其发病机制和传播的关键。p37是一种高度保守的37 kDa外周膜蛋白,由正痘虫科的F13L基因编码,是抗痘病毒药物的有效靶点,如2018年获fda批准的首个抗痘病毒药物tecovirimat。特可维林对猴痘p37的详细识别机制尚未完全阐明。作为p37, HSV的HSV-1 gD和HSV-2 gD蛋白是病毒包膜糖蛋白,被鉴定为人类nectin-1的配体,作为允许细胞的功能受体。使用非破坏性光进行微生物灭活(MI)已被记录用于不同的病毒,如HSV,其中光敏剂(ps)被用作光反应剂,主要通过氧化产生抗病毒反应。此外,一些ps可以通过在病毒细胞识别位点内相互作用以不依赖光的方式引起抗病毒反应。目的:评价猴痘和HSV-1/2包膜蛋白最新结构数据与已获批的PSs原卟啉IX、氯代e6和亚甲基蓝之间的配合物形成。方法:利用Chimera软件和Autodock Vina软件制备配体和受体,并进行分子对接分析。对p37 -亚甲基蓝配合物进行了100 ns轨道的分子对接和分子动力学模拟分析。结果:研究发现PSs在HSV-1/2 gD与人受体识别的斑块区形成复合物,而MB与p37蛋白形成复合物,进入tecovirimat作用的de pocket区。MD模拟显示MB与p37蛋白口袋区相互作用的稳定性。结论:明确了这些复合物潜在的双重抗病毒活性的分子机制,表明使用这些ps可以进一步评估MI对猴痘和HSV引起的病毒性皮肤病变的疗效。
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引用次数: 0
Medicinal Attributes of Pyrazoline in Drug Discovery 吡唑啉在药物发现中的药用属性
4区 医学 Q3 Pharmacology, Toxicology and Pharmaceutics Pub Date : 2023-10-12 DOI: 10.2174/0115701808268325231008093015
Dr. Disha Arora, Dr. Jyoti SINGH, Dr. Sandeep Kumar
Abstract: Pyrazoline are structurally versatile nitrogen-containing heterocycle that has gained more attention owing to its diversified pharmacological activities. This special scaffold serves as a fundamental component in a variety of bioactive chemicals, enabling the creation of new molecules with advantageous biological functions. The present review paper provides a summary of diversified pharmacological activities in particular, anticancer, antimalarial, antimicrobial, antifungal, antidepressant, anti-inflammatory, antinociceptive, antitubercular, anticonvulsant, anti-amoebic, antischistosomal, insecticidal, hypotensive, antiviral, antioxidant and anti-trypanosomal activity. This review also presents numerous simple synthetic techniques for the preparation of pyrazolines and also highlights the applicability of pyrazoline in drug discovery.
摘要:吡唑啉是结构上用途广泛的含氮杂环化合物,因其具有丰富的药理活性而备受关注。这种特殊的支架是多种生物活性化学物质的基本组成部分,能够产生具有有利生物功能的新分子。本文综述了其多种药理活性,特别是抗癌、抗疟、抗菌、抗真菌、抗抑郁、抗炎、抗结核、抗惊厥、抗阿米巴、抗血吸虫、杀虫、降压、抗病毒、抗氧化和抗锥虫活性。本文还介绍了吡唑啉的几种简单合成方法,并强调了吡唑啉在药物发现中的适用性。
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引用次数: 0
An Estimation of Baricitinib by AQbD-driven UV SpectrophotometryDevelopment and Validation Process aqbd驱动紫外分光光度法测定巴西替尼的研究
4区 医学 Q3 Pharmacology, Toxicology and Pharmaceutics Pub Date : 2023-10-11 DOI: 10.2174/0115701808252124231010055104
Laxmi Rani, Ashwini Kumar Mishra, Neha SL, Hitesh Kumar Dewangan, Pravat Kumar Sahoo
Background: Baricitinib (BCTB) is a novel Janus Kinase (JAK) 1 and 2 inhibitor used in the therapy of rheumatoid arthritis, approved by the “Food and Drug Administration” in 2018. It has significant dose-dependent effectiveness and severe side effects. Thus, it is crucial to figure out its concentration in developed dosage forms. The literature search revealed that there has only been one UV spectroscopy technique documented up to this point. Methanol was chosen as the detection medium in this approach, which is not comparable with plasma or serum. As a result, the preliminary research suggested developing a UV spectroscopic approach that can estimate BCTB concentration and compare it to its concentration in the plasma or serum. Thus, in the proposed method, 7.4 pH phosphate buffer was selected as a mobile phase. Aim: Using the Analytical Quality by Design (AQbD) methodology, a simple, robust spectrophotometric method for the detection of BCTB in API form and Niosomes drug delivery system is designed and assessed. Methods: In the AQbD approach, a face-centered CCD design of Design Expert 13 software was used to evaluate two critical method variables: scanning speed and sampling interval. The design space suitability was confirmed by standard error and overlay plots. The 2-D contour and 3-D response surface plots were used to forecast the relationship between the response variable and predictor variables. Results: Baricitinib displays an absorption maximum at 249.40 nm in saline phosphate buffer pH 7.4. The distinguished linearity of the method was obtained over a concentration of 5–30 µg/ml with a correlation coefficient (R2 ) value of 0.998. BCTB % assay was found to be near 99 %. Intraday and Interday precision were found to have % RSDs of 0.067–0.488 and 0.146–0.942, respectively. Conclusion: The established spectrophotometric technique was observed to be precise as per ICH revised guidelines ICH Q2 (R1) and Q14 for analytical method validation. Our findings are instructional for the future design and development of safe and reliable therapeutic dosage forms of BCTB for rheumatoid arthritis.
背景:Baricitinib (BCTB)是一种用于治疗类风湿性关节炎的新型Janus激酶(JAK) 1和2抑制剂,于2018年获得美国食品药品监督管理局(fda)批准。它具有明显的剂量依赖性和严重的副作用。因此,在已开发的剂型中计算出其浓度是至关重要的。文献检索显示,到目前为止,只有一种紫外光谱技术被记录在案。该方法选择甲醇作为检测介质,与血浆或血清没有可比性。因此,初步研究建议开发一种紫外光谱方法,可以估计BCTB的浓度,并将其与血浆或血清中的浓度进行比较。因此,在所提出的方法中,选择7.4 pH的磷酸盐缓冲液作为流动相。目的:采用设计质量分析(AQbD)方法,设计一种简便、可靠的分光光度法检测原料药剂型和Niosomes给药系统中的BCTB。方法:在AQbD方法中,采用design Expert 13软件的面心CCD设计来评估两个关键的方法变量:扫描速度和采样间隔。通过标准误差和叠加图验证了设计空间的适宜性。利用二维轮廓图和三维响应面图预测响应变量与预测变量之间的关系。结果:Baricitinib在pH 7.4的盐水磷酸盐缓冲液中在249.40 nm处具有最大的吸收。在浓度为5 ~ 30µg/ml范围内,本法的线性关系良好,相关系数(R2)为0.998。bbcb %测定接近99%。日内精密度和日内精密度的% rsd分别为0.067 ~ 0.488和0.146 ~ 0.942。结论:所建立的分光光度法符合ICH修订指南ICH Q2 (R1)和Q14对分析方法验证的要求。我们的研究结果对未来设计和开发安全可靠的类风湿性关节炎bbcb治疗剂型具有指导意义。
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引用次数: 0
A Review on the Progress of QbD Approach in Nanosystems Optimization: Current Updates and Strategic Applications QbD方法在纳米系统优化中的研究进展:最新进展和战略应用
4区 医学 Q3 Pharmacology, Toxicology and Pharmaceutics Pub Date : 2023-10-10 DOI: 10.2174/0115701808256947231004110357
Devika Tripathi, Jyoti Kumari, Krislay Rathour, Princy Yadav, Vikas Shukla, Awani Kumar Rai
Abstract: Nanotechnology has made great strides in developing targeted drug delivery systems over the past few decades. These systems have garnered attention for their unique biological properties and ability to deliver drugs in a stable and sustainable manner. Despite these advances, there are still concerns about quality, efficacy, and safety. Many fabrication techniques still need to be refined to address the complex structures and non-standard manufacturing processes that can impact the quality of drug delivery systems. Recently, optimization techniques such as Quality by Design (QbD) have gained popularity in the pharmaceutical industry. QbD is a structured approach that addresses many technological and trait-related issues by providing a deep understanding of the product and its operations. This review examines the current state of QbD in the design of various nano-drug delivery systems, including lipid nanoparticles, lipid carriers, nano micelles, beaded drug delivery systems, nanospheres, cubosomes, and novel cosmeceuticals. Various mathematical models and statistical tests have been used to identify the parameters that influence the physical characteristics of these nanosystems. Critical process attributes such as particle size, yield, and drug entrapment have been studied to assess risk factors during development. However, critical process parameters are often identified through trial and error. This review highlights common material attributes and process parameters that affect the quality of nano-drug delivery systems. Hence, this survey has dis.closed the various material attributes and process parameters, quality variables of different nano-drug systems. QbD designs such as Central drug composite, Design of experiment, D-optimal Design, Box-Benkhen Design, and Face center Design in optimizing the nanosystems have also been added. Conclusively, QbD optimization in nano drug delivery systems is expected to be a time-honored strategy in the forthcoming years.
摘要:在过去的几十年里,纳米技术在开发靶向给药系统方面取得了巨大的进步。这些系统因其独特的生物学特性和以稳定和可持续的方式输送药物的能力而受到关注。尽管取得了这些进步,但仍然存在质量、疗效和安全性方面的担忧。许多制造技术仍然需要改进,以解决复杂的结构和非标准的制造过程,这可能会影响给药系统的质量。近年来,优化技术如设计质量(QbD)在制药行业得到了普及。QbD是一种结构化的方法,通过提供对产品及其操作的深入理解来解决许多技术和特性相关的问题。本文综述了QbD在各种纳米给药系统设计中的现状,包括脂质纳米颗粒、脂质载体、纳米胶束、珠状给药系统、纳米球、立方体体和新型药妆品。已经使用各种数学模型和统计测试来确定影响这些纳米系统物理特性的参数。关键的工艺属性,如粒度,产量和药物夹带已被研究,以评估开发过程中的风险因素。然而,关键的工艺参数往往是通过试验和错误来确定的。本文综述了影响纳米给药系统质量的常见材料属性和工艺参数。因此,本研究揭示了不同纳米药物体系的各种材料属性和工艺参数、质量变量。QbD设计,如中心药物复合设计、实验设计、D-optimal设计、Box-Benkhen设计和Face center设计等,也被添加到优化纳米系统中。综上所述,QbD优化在纳米给药系统中有望在未来几年成为一种长期的策略。
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引用次数: 0
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Letters in Drug Design & Discovery
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