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Design, Synthesis and Molecular Docking Study of N-Heterocyclic Chalcone Derivatives as an Anti-cancer Agents 抗癌药物n -杂环查尔酮衍生物的设计、合成及分子对接研究
Pub Date : 2022-03-30 DOI: 10.25004/ijpsdr.2022.140111
B. Fegade, S. Jadhav
The Claisen-Schmidt condensation of 4-(aryl)-aminobenzaldehyde and 2-hydroxyacetophenone resulted in a new series of heterocyclic chalcone (4a-4g) derivatives. Nucleophilic aromatic substitution (SNAr) of 4-fluorobenzaldehyde with heterocycle amines by ultrasonication in the presence of a base and polar aprotic solvent yielde 4-(aryl)-aminobenzaldehydes. Spectral investigations were used to establish the structures of synthesized compounds. The in vitro anti-cancer activity of the synthesized derivative was evaluated against MCF-7 (breast cancer) cells by SRB assay. Compounds 4c, 4b, and 4c have a high affinity for the ER receptor binding site, whereas compounds 4c and 4g have a moderate affinity for the VEGER-2 receptor. The GI50 value of 4c ((E)-1-(2-hydroxyphenyl)-3-(4-(4-methylpiperazin-1-yl)-phenyl) prop-2-en-1-one) was 44.6 uM, while the GI50 value of all other derivatives was greater than 80 uM. These findings lay the groundwork for additional research into the combination's potential uses in cancer therapy.
4-(芳基)-氨基苯甲醛与2-羟基苯乙酮的Claisen-Schmidt缩合反应生成了一系列新的杂环查尔酮(4a-4g)衍生物。在碱基和极性非质子溶剂存在下,超声波催化4-氟苯甲醛与杂环胺的亲核芳香取代(SNAr),生成4-(芳基)-氨基苯醛。利用光谱研究确定了合成化合物的结构。采用SRB法测定合成的衍生物对乳腺癌细胞MCF-7的体外抗癌活性。化合物4c、4b和4c对ER受体结合位点具有高亲和力,而化合物4c和4g对vegf -2受体具有中等亲和力。4c ((E)-1-(2-羟基苯基)-3-(4-(4-(4-甲基哌嗪-1-基)-苯基)prop-2-en-1-one)的GI50值为44.6 uM,其他衍生物的GI50值均大于80 uM。这些发现为进一步研究这种组合在癌症治疗中的潜在用途奠定了基础。
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引用次数: 0
Evaluation of Healing Effect of Stromal Vascular Fraction and Platelet Rich Plasma Application on Ulcerative Ear Wound in Diabetic Rabbit 基质血管组分与富血小板血浆在糖尿病兔耳溃疡创面愈合效果的评价
Pub Date : 2022-03-30 DOI: 10.25004/ijpsdr.2022.140110
Vijay K. Sharma, Anuka Sharma, Parag R Ghorpade, M. Nandanwar, A. Kansagara, S. Tripathi
A debilitating complication of diabetes mellitus is diabetic ulcers, which leads to increased overall morbidity in patients. The high growth factor content in Platelet Rich Plasma (PRP) makes it a widely used intervention for the treatment of diabetic foot ulcers. The topical application of Stromal Vascular Fraction (SVF) could possibly enhance wound healing. This study aims at evaluating the efficacy of combining SVF and PRP on wound healing in diabetic rabbit model. Diabetes was induced in New Zealand white rabbits by intravenous injection of 125 mg/Kg Alloxan. After two weeks of alloxan, three 6 mm diameter, full thickness excision wounds were made, on inner side of the right ear pinna. The animals after induction were allocated into 4 groups with [8 Diabetic (treated with SVF+PRP), 4 Diabetic (treated with 10% Povidone Iodine (PI)), 1 non-diabetic (treated with SVF+PRP), 1 non diabetic (treated with 10% PI)]. The effect of combined therapy was evaluated by assessing wound margin closure rate, histo-pathological evaluation, and inflammatory cell infiltration, epithelization of ulcerative region, neo-vascularization, and fibrosis. We observed that the rate of wound closure is enhanced in wounds treated with SVF+PRP as compared to the PI solution. Wound closure and healthy healing were demonstrated by histo-pathological analysis. The analysis clearly indicates that the healing process of PI treated animals is slower than that of SVF + PRP treated animals. In conclusion, based on wound healing assessment and histo-pathological examination, the diabetic rabbits treated with SVF + PRP exhibited early development of granulation tissue and early signs of wound closure as compared to diabetic animals with normal PI dressing
糖尿病的一个衰弱并发症是糖尿病性溃疡,它导致患者总体发病率增加。富血小板血浆(PRP)中生长因子的高含量使其成为糖尿病足溃疡治疗中广泛使用的干预手段。局部应用基质血管分数(SVF)可促进创面愈合。本研究旨在评价SVF与PRP联合应用对糖尿病家兔创面愈合的影响。采用静脉注射四氧嘧啶125 mg/Kg诱导新西兰大白兔患上糖尿病。四氧嘧啶治疗两周后,在右耳耳廓内侧做3个直径为6mm的全厚度切除创面。诱导后随机分为4组[糖尿病组8只(SVF+PRP治疗),糖尿病组4只(10%聚维酮碘治疗),非糖尿病组1只(SVF+PRP治疗),非糖尿病组1只(10% PI治疗)]。通过评估创面闭合率、组织病理学评估、炎症细胞浸润、溃疡区上皮、新血管形成和纤维化来评估联合治疗的效果。我们观察到,与PI溶液相比,SVF+PRP处理的伤口愈合率提高。组织病理分析证实伤口愈合良好。分析清楚地表明,PI处理动物的愈合过程比SVF + PRP处理动物慢。综上所述,根据伤口愈合评估和组织病理学检查,与正常PI敷料治疗的糖尿病动物相比,SVF + PRP治疗的糖尿病兔肉芽组织发育早,伤口愈合早
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引用次数: 0
Potency of Phytocompounds as Hydroxychavicol and Plumbagin in Combination to Fight Against Leukemia via Activation of MAPKMediated Apoptotic Pathway: An In vitro Approach 通过激活mapk介导的凋亡通路,植物化合物羟基木瓜酚和白桦苷联合抗白血病的效力:体外研究
Pub Date : 2022-03-30 DOI: 10.25004/ijpsdr.2022.140116
S. Swarnakar, A. Manna, Tapasi Roy, Tanusree Das, S. Bandyopadhyay
Plants provide natural molecules as an effective agent for phytomedicine. Anticancer properties of naturalproducts are well described. Several studies on hydroxychavicol (HCH), and plumbagin (PLB), which are foundin Piper betle leaf and Plumbago sp. respectively, are evidenced as anti-carcinogenic effect on chronic myeloidleukemic (CML) cells through increased reactive oxygen species (ROS). An attempt was taken to determine theefficacy of a new combination of HCH and PLB on CML cells (K562) and the mechanism of apoptosis thereon.3-{4,5-Dimethylthiazol-2-yl}-2,5-diphenyltetrazolium bromide (MTT) assay was performed to determine the dosefor individual and combination treatments of HCH and PLB against leukemic cells, (K562). Apoptotic activity wasassessed through flow cytometric analysis with annexin V-FITC/propidium iodide staining. Immunoblots werealso performed on cell extracts before and after the treatments. Levels of ROS and nitric oxide (NO) in K562 cellswere measured by DCF-DA and DAF-FM staining, respectively. In addition, P38 and JNK siRNA transfection wereperformed to assess the roles of mitogen-activated protein kinase (MAPK) pathways on apoptosis. Combinationtreatments of HCH (16 µM) and PLB (0.5 µM) showed synergistic effects on reducing viability and increasedcellular apoptosis of K562 cells. Combined treatments showed elevated reactive oxygen species (ROS) and NOlevels than individual treatments of HCH and PLB. Moreover, decreasing the ROS generations by antioxidants/catalase reversed cell deaths and increased viability. Immunoblotting of MAPK pathways components showedreduction of pERK levels, while upregulation pJNK and pP38 levels upon HCH+PLB treatments. Furthermore,silencing of JNK and/or P38 rescued the K562 cells from deaths. The present study indicates combinationtreatments of HCH and PLB act as a better therapeutic against CML by promoting MAPK-mediated apoptosis viaincreased oxidative and nitrosative stress. This in vitro approach is the first report describing the mechanism ofaction of HCH/PLB to fight against Leukemia via interaction with phosphorylated P38.
植物提供天然分子作为植物药的有效制剂。天然产物的抗癌特性得到了很好的描述。多项研究证实,分别在花椒叶和铅巴金属植物中发现的羟基chavicol (HCH)和铅巴金(PLB)通过增加活性氧(ROS)对慢性髓性白血病(CML)细胞具有抗癌作用。我们试图确定一种新的HCH和PLB联合治疗CML细胞(K562)的疗效及其凋亡机制。采用3-{4,5-二甲基噻唑-2-基}-2,5-二苯基溴化四唑(MTT)法测定HCH和PLB单独或联合治疗白血病细胞的剂量(K562)。通过膜联蛋白V-FITC/碘化丙啶染色的流式细胞术分析评估细胞凋亡活性。在治疗前后对细胞提取物进行免疫印迹检测。分别用DCF-DA和DAF-FM染色法测定K562细胞中ROS和NO的水平。此外,通过转染P38和JNK siRNA来评估丝裂原活化蛋白激酶(MAPK)通路在细胞凋亡中的作用。HCH(16µM)和PLB(0.5µM)联合处理可降低K562细胞活力,增加细胞凋亡。与单用HCH和PLB处理相比,联合处理的活性氧(ROS)和一氧化氮水平明显升高。此外,通过抗氧化剂/过氧化氢酶减少ROS代可以逆转细胞死亡并提高细胞活力。在HCH+PLB处理下,MAPK通路组分的免疫印迹显示pERK水平降低,而pJNK和pP38水平上调。此外,JNK和/或P38的沉默使K562细胞免于死亡。本研究表明,HCH和PLB联合治疗可以通过增加氧化和亚硝应激促进mapk介导的细胞凋亡,从而更好地治疗CML。这是首次报道HCH/PLB通过与磷酸化P38相互作用来对抗白血病的机制。
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引用次数: 0
Case Report Study of an Integrated Treatment Approach in Critical Case of COVID-19 Patient 新型冠状病毒肺炎危重病例综合治疗的病例报告研究
Pub Date : 2022-03-30 DOI: 10.25004/ijpsdr.2022.140118
Atul Desai, K. Desai, Hem Desai, R. Desai, Chirag V Desai
The world has seen various variants of coronavirus and attempting all the feasible options to combat thispandemic situation. By far, vaccination is the most remarkable approach in controlling the Pandemic. Indiais fighting against the delta variant of the second wave COVID-19. Meanwhile, World Health Organizationhas already warned about the initial stages of the third wave in all countries. Therefore, on considering thevariants of coronavirus, no standard option of care is available to date. In this article, we present a case studyon the clinical outcome of the integrated treatment approach in COVID-19 patients suffering from criticalconditions. The patient with a history of coronavirus was advised of strict home quarantine and standardtreatment of care for 14 days. She was brought to the COVID-19 healthcare center in an unconscious stateby her family. On examination, she had a 79% oxygen saturation, heart rate 88 beats/minute and herlaboratory findings: CRP 37.3(mg/dL), ESR 84(mm/hour), D-dimer 793(ng/mL), and RBS 158 mg/d. Afterreceiving consent from her family members, we initiated the integrated treatment approach. It includesT-AYU-HM Premium 600mg, is a herbo-mineral formulation, and Acupen 600 mg thrice a day with modernmedicines. By adhering to the treatment, she recovered completely within a one-month duration. HerHRCT report showed a significant reduction in lung involvement with ill-defined low-density ground-glassopacities and atelectatic bands in both lungs. The patient's vitals and laboratory parameters presentedstriking improvement. This case study provides information about the effect of the integrated treatmentapproach in critical COVID-19 cases.
世界上出现了各种冠状病毒变种,并尝试了所有可行的选择来应对这一流行病。到目前为止,疫苗接种是控制大流行的最显著方法。印度正在与第二波新冠肺炎的三角洲变体作斗争。与此同时,世界卫生组织已经对所有国家的第三波浪潮的初始阶段发出警告。因此,考虑到冠状病毒的变体,迄今为止还没有标准的护理选择。在这篇文章中,我们提出了一个关于综合治疗方法在COVID-19重症患者中的临床结果的案例研究。对有冠状病毒感染史的患者实施严格居家隔离和标准护理14天。她在昏迷状态下被家人带到COVID-19医疗中心。检查时,患者血氧饱和度79%,心率88次/分钟,实验室结果:CRP 37.3(mg/dL), ESR 84(mm/小时),d -二聚体793(ng/mL), RBS 158 mg/d。在征得家属同意后,我们开始了综合治疗。它包括est - ayu - hm优质600mg,是一种草药矿物配方,和针灸600mg,每天三次与现代药物。通过坚持治疗,她在一个月内完全康复。HerHRCT报告显示肺受累明显减少,双肺有不明确的低密度地玻璃混浊和不电带。患者的生命体征和实验室指标均有显著改善。本案例研究提供了综合治疗方法在COVID-19危重病例中的效果。
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引用次数: 0
Influence of Particle Size and Particle Deposition of Inhaled Medication in Lung Disease: A Comrehensive Review 肺部疾病吸入药物颗粒大小和颗粒沉积的影响:综述
Pub Date : 2022-03-30 DOI: 10.25004/ijpsdr.2022.140119
Kiran Dudhat, H. Patel
Drug particles less than 5 µm have the greatest probability of deposition in the lung, whereas those less than 2 µm tend to be concentrated in the alveoli. A large proportion of particles within the 2-5 μm range are present in the dose released from the inhaled drug, providing a relatively even distribution across the lungs. The efficient need for inhaled therapy highly depends on the essence of the method of drug delivery and the patient's ability to correctly use the system. A large range of inhaler products, each with positive and negative aspects, are on the market. It facilitates the administration of a lower dose; there is a quicker onset of action and less severe side effects. The deposition of the inhaled drug in the lung is dependent on particle size, inhalation technique and the type of inhaler device. Importance of particle size distribution and Particle aerodynamic diameter, Influence of environmental humidity on particle size Particle deposition in the airways, Methods to identify drug deposition in lungs, Physiological factors which affect the therapeutic efficacy of pulmonary delivery drugs. The nano and micro size particles is a mainstay of treatment for a variety of pulmonary diseases because they provide a platform to deliver drugs directly reliably and inexpensively to the disease site, thus allowing for a minimum amount of drug to be used and minimize side effects.
小于5µm的药物颗粒在肺内沉积的可能性最大,而小于2µm的药物颗粒则倾向于在肺泡内集中。在吸入药物释放的剂量中,有很大比例的颗粒在2-5 μm范围内,在肺部的分布相对均匀。吸入治疗的有效需求在很大程度上取决于给药方法的本质和患者正确使用系统的能力。市场上有各种各样的吸入器产品,每种产品都有积极和消极的方面。它有利于较低剂量的施用;它起效快,副作用小。吸入药物在肺中的沉积取决于颗粒大小、吸入技术和吸入器装置的类型。颗粒粒径分布及空气动力学直径的重要性、环境湿度对颗粒粒径的影响、颗粒在气道中的沉积、肺内药物沉积的鉴别方法、影响肺给药疗效的生理因素。纳米和微米大小的颗粒是治疗多种肺部疾病的主要手段,因为它们提供了一个平台,可以直接、可靠、廉价地将药物输送到疾病部位,从而允许使用最少的药物,并将副作用降到最低。
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引用次数: 0
Total Phenolic, Flavonoid Content, and Antioxidant Activity of Justicia tranquebariensis LF and Cycas Beddomei Dyer. Leaves 龙葵和苏铁总酚、类黄酮含量及抗氧化活性研究叶子
Pub Date : 2022-03-29 DOI: 10.25004/ijpsdr.2022.140107
Veluru Hari, D. Jothieswari, K. S. Maheswaramma
Polyphenolics such as tannins and flavonoids are proved as powerful antioxidants to resolve cellular stress, sustain homeostasis in the body and prevent stress-associated disorders. Plant-based medicine gained importance due to its safety margin and multiple benefits. Regular intake of antioxidants is an alternative to avoid serious illness. The current investigation is aimed to measure the phenolic, flavonoid content, the antioxidant activity of Justicia tranquebariensis L.f. and Cycas beddomei leaves. The selected plants are used by tribes and traditional medicine to cure various diseases. Total phenolic content was estimated using the Folin–Ciocalteu colorimetric method, taking gallic acid as standard. At the same time, total flavonoid content was determined by aluminum chloride colorimetric assay using Rutin as standard.The absorbance was measured at 760 nm and 510 nm, respectively. Antioxidant activity was measured by two In vitro methods (DPPH and NO free radical scavenging assay) using standard protocols, where Ascorbic acid served as a reference standard. Results disclosed that the total phenolic content for the methanolic extracts of C. beddomei (36.14 ± 1.72) and J. tranquebariensis (28.57 ± 0.91) was found to be higher than petroleum ether extracts. Similarly, C. beddomei (28.13 ± 2.48) is richer in flavonoids than Jtranquebariensis (20.32 ± 1.24). In DPPH assay, methanolic extract C. beddomei (78.21%) is more effective to inhibit the free radicals than J. tranquebariensis (73.05%) with IC50 values 41.55µg/ml and 59.52 µg/ml respectively at higher doses that are comparable to standard ascorbic acid (84.34%, IC50 =63.27 µg/ml). Similarly, in NO free radical scavenging assay, methanolic extract of C. beddomei (72.54%) stood best among all to scavenge the free radicals with IC50 values 50.06 µg/ml, whereas ascorbic acid is found to inhibit 83.26% with IC50 values 39.75µg/ml. The presence of various secondary metabolites such as alkaloids, carbohydrates, phenols, steroids, terpenoids, glycosides, saponins, especially tannins and flavonoids, either alone or in combination, may be responsible for the observed scavenging property. The quantity of the phenolic compounds and flavonoids can be directly correlated to the exhibited activity.
多酚类物质,如单宁和类黄酮,被证明是强大的抗氧化剂,可以解决细胞压力,维持体内平衡,防止压力相关的疾病。植物性药物因其安全边际和多重效益而受到重视。经常摄入抗氧化剂是避免严重疾病的另一种选择。摘要本研究旨在测定白桦叶和苏铁叶的酚类、类黄酮含量及抗氧化活性。精选的植物被部落和传统医学用来治疗各种疾病。以没食子酸为标准品,采用Folin-Ciocalteu比色法测定总酚含量。同时,以芦丁为标准品,采用氯化铝比色法测定总黄酮含量。分别在760 nm和510 nm处测定吸光度。采用两种体外方法(DPPH和NO自由基清除法)测定抗氧化活性,采用标准方案,其中抗坏血酸作为参考标准。结果表明,贝多梅甲醇提取物的总酚含量(36.14±1.72)和脱魁巴瑞香总酚含量(28.57±0.91)均高于石油醚提取物。同样,贝多蠓(28.13±2.48)的总黄酮含量高于金雀鳝(20.32±1.24)。在DPPH实验中,beddomei甲醇提取物(78.21%)对自由基的抑制效果优于J. tranquebariensis(73.05%),其IC50值分别为41.55µg/ml和59.52µg/ml,其剂量与标准抗坏血酸相当(84.34%,IC50 =63.27µg/ml)。同样,在NO自由基清除实验中,家蚕甲醇提取物对NO自由基的清除效果为72.54%,IC50值为50.06µg/ml,而抗坏血酸对NO自由基的清除效果为83.26%,IC50值为39.75µg/ml。各种次生代谢物的存在,如生物碱、碳水化合物、酚类、类固醇、萜类、苷类、皂苷,特别是单宁和类黄酮,单独或联合存在,可能是观察到的清除特性的原因。酚类化合物和黄酮类化合物的含量与所显示的活性直接相关。
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引用次数: 0
Comparative Phyto-Remedial Effect of Zingiber officinale and Cuminum cyminum on Hepatocytes of Alloxan Induced Diabetic Mus musculus 生姜和茴香对四氧嘧啶诱导的糖尿病小鼠肝细胞的植物治疗作用比较
Pub Date : 2022-03-29 DOI: 10.25004/ijpsdr.2022.140105
Arunchandra Singh, Roushan Kumari, S. Bharti
Diabetes mellitus is a metabolic disorder that causes chronic hyperglycemia. Diabetes and its crippling complications are a significant cause of morbidity and mortality. This study evaluates the comparative antihyperglycemic and hepatoprotective effects of alcoholic extracts of rhizome of Zinger officinale plant and seed extract of Cuminum cyminum plant on alloxan-induced diabetic mice. Mice were divided into four groups (one normal control, one diabetic control and two diabetic groups treated with the two extracts). Mice were induced diabetes by intraperitoneal administration of alloxan. Normal control and diabetic control mice received normal saline water during the treatment period while diabetic mice were administrated with ethanolic extracts of ginger rhizome @100mg/kg/BW and cumin seeds extract @80mg/kg/BW for 16 weeks. At the end of the experiment, animals were sacrificed, and biochemical as well as histopathological examinations were carried out. Hyperglycaemia with increased SGPT and bilirubin have been observed in diabetic mice. However, normoglycemic conditions along with restoredliver marker enzymes have been observed in diabetic rats treated with extracts. Histopathologicalexamination showed that alloxan administration causes damage to hepatic cells. Conversely, in gingerand cumin-treated diabetic groups, a significant improvement in the architecture of hepatic cells has been observed, which showed the ability of the extracts to repair the damaged tissue. Thus, this study safely submitted that ginger and cumin significantly reduce the blood glucose level, with ginger having greater potential as a hepatoprotective agent than cumin.
糖尿病是一种引起慢性高血糖的代谢紊乱。糖尿病及其致残并发症是发病率和死亡率的重要原因。本研究比较了生姜根茎酒精提取物和茴香种子提取物对四氧嘧啶诱导的糖尿病小鼠的降糖和保肝作用。将小鼠分为4组(正常对照组、糖尿病对照组和两种提取物治疗的糖尿病组)。小鼠腹腔注射四氧嘧啶诱导糖尿病。正常对照组和糖尿病对照组小鼠在治疗期间灌胃生理盐水,糖尿病小鼠灌胃姜根乙醇提取物100mg/kg/BW和孜然籽提取物80mg/kg/BW,持续16周。实验结束时,处死动物,进行生化和组织病理学检查。在糖尿病小鼠中观察到高血糖伴SGPT和胆红素升高。然而,在用提取物治疗的糖尿病大鼠中观察到正常的血糖状况以及恢复的肝脏标记酶。组织病理学检查显示四氧嘧啶引起肝细胞损伤。相反,在生姜和孜然治疗的糖尿病组中,观察到肝细胞结构的显著改善,这表明提取物修复受损组织的能力。因此,本研究安全地提出,生姜和孜然显著降低血糖水平,生姜作为肝保护剂的潜力比孜然更大。
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引用次数: 0
Assessment of Hepatoprotective Activity of Hyptis capitata Jacq. Against Oxidative Stress Induced by H2O2 牛头草保肝活性的评价。抗H2O2诱导的氧化应激
Pub Date : 2022-03-28 DOI: 10.25004/ijpsdr.2022.140106
V. Sumitha, I. Mini, Laija. S. Nair
Medicinal plants occupy a key position in maintaining the health of the human population. Hyptis capitataJacq. is an exotic ethnomedicinal plant of Lamiaceae possessing immense potential. The present study was carried out to assess the in vitro hepatoprotective activity of methanolic leaf extract of H. capitata against H2O2 induced oxidative stress in HepG2 cell lines. Total antioxidant capacity and Superoxide radical scavenging activity of the extract were also performed. The extract displayed considerable free radical scavenging activity (P IS LESS THAN 0.01). MTT assay was used to assess the in vitro hepatoprotective activity in HepG2 cell lines. The extract displayed concentration-dependent cell viability with maximum protection (63.97 ± 1.23%) in H2O2 induced HepG2 cell lines at 100 μgml-1. H. capitata is a promising herb with significant antioxidant and hepatoprotective potential.
药用植物在维持人类健康方面占有重要地位。Hyptis capitataJacq。是一种具有巨大发展潜力的兰科外来民族药用植物。本研究探讨了荆芥叶甲醇提取物对H2O2诱导的HepG2细胞株氧化应激的体外保护肝活性。测定了提取物的总抗氧化能力和超氧自由基清除能力。提取物具有较强的自由基清除活性(P < 0.01)。采用MTT法评价其对HepG2细胞株的体外保肝活性。在H2O2浓度为100 μgml-1时,其对HepG2细胞株的保护作用最大,为63.97±1.23%。荆芥是一种具有显著抗氧化和保护肝脏潜能的有前途的草本植物。
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引用次数: 0
Optimization of Repaglinide Osmotic Drug Delivery System Using Two Different Techniques 两种不同技术优化瑞格列奈渗透给药系统
Pub Date : 2022-03-11 DOI: 10.25004/ijpsdr.2022.140104
R. Salfi, Fatima Shireen, M. Ajitha
The current study aimed to formulate an elementary osmotic pump (EOP) and push-pull osmotic pump (PPOP) based drug delivery system for controlled release of an anti-diabetic agent, repaglinide is expected to provide sustained release. EOP and PPOP method prepared repaglinide tablets by wet granulation technique. EOP designed 15 formulations F1-F15 and 14 formulations were done by PPOP method. All the formulations were evaluated for various physicochemical parameters and in-vitro dissolution studies. The release data was fitted into mathematical kinetic modeling studies to check the release mechanism. Further, the optimized formulations from both methods were characterized by FTIR and stability studies. EOP and PPOP methods successfully prepared repaglinide osmotic tablets. All the formulations exhibitedb satisfactory results for all evaluated parameters. The highest drug release was exhibited from F15 prepared by EOP method with 99.76% and FF14 with 15% coating prepared by PPOP method with drug release of 99.73%. Based on the in vitro dissolution profile, formulation F15 and FF14 exhibited zero-order with Korsmeyer-Peppas kinetics with Fickian diffusion-controlled release mechanism with high drug release in 24 hours and hence were selected as optimized formulations. The drug-excipient compatibility study by FTIR indicated no significant interactions between drugs and excipients. The formulations were stable after 3 months of accelerated stability studies. EOP and PPOP were designed to effectively administrate repaglinide drugs for a prolonged period of time.
本研究旨在建立一种基于初级渗透泵(EOP)和推拉渗透泵(PPOP)的控释药物传递系统,以实现抗糖尿病药物瑞格列奈的缓释。EOP法和PPOP法湿法制备瑞格列奈片。EOP设计了15个配方F1-F15,用PPOP法制作了14个配方。所有的配方进行了各种物理化学参数和体外溶出度的研究。将释放数据拟合到数学动力学模型研究中,以验证释放机理。此外,通过FTIR和稳定性研究对两种方法的优化配方进行了表征。EOP法和PPOP法成功制备了瑞格列奈渗透片。所有的配方对所有的评价参数都显示出满意的结果。EOP法制备的F15释药率最高,为99.76%;PPOP法制备的FF14释药率最高,为99.73%。通过体外溶出度分析,优选处方F15和FF14具有零级Korsmeyer-Peppas动力学和Fickian扩散控制释放机制,且24 h内释药量高。FTIR药物-赋形剂相容性研究表明,药物与赋形剂之间没有明显的相互作用。经过3个月的加速稳定性研究,配方是稳定的。EOP和PPOP的设计是为了在较长时间内有效地给药瑞格列奈。
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引用次数: 1
Synthesis and Biological Evaluation of (4-Fluorophenyl)(1-(5-phenyl-1,3,4-oxadiazol-2-yl)indolizin-3-yl)methanone Derivatives as Anti-cancer and Antimicrobial Agents (4-氟苯基)(1-(5-苯基-1,3,4-恶二唑-2-基)吲哚嗪-3-基)甲烷衍生物抗癌和抗菌的合成及生物学评价
Pub Date : 2022-01-31 DOI: 10.25004/ijpsdr.2022.140102
T. R. R. Naik, G. Mahanthesha, T. Suresh
A novel series of (4-Fluorophenyl (1-(5-phenyl-1,3,4-oxadiazol-2-yl)indolizin-3-yl)methanone derivatives9(a-n) were synthesized by the coupling reaction of 3-(4-fluorobenzoyl)indolizine-1-carboxylic acid andsubstituted benzohydrazide followed by intramolecular cyclization. The structures of the compoundswere characterized by 1 H NMR, 13C NMR, LCMS, FT-IR, and elemental analyses. The compounds 9(a-n)anti-cancer activity was evaluated against the MCF-7 cell line (HTB-22, Homo sapiens, Breast carcinoma).Compound 9j (IC50 = 21.57 µM), and 9n (IC50 = 8.52 µM) exhibited the most potent cytotoxicity activitycompared with standard drug doxorubicin (IC50= 25.71). The antibacterial activity was evaluated againstStaphylococcus aureus ATCC 6538 and Escherichia coli ATCC 8739. The compounds ZOI=16mm) and 9i(ZOI=18 mm) exhibited moderate antibacterial activity compared with standard drug ciprofloxacin.The antifungal activity was evaluated against Candida albicans ATCC 10231. Most compounds exhibitedmoderate antifungal activity compared with the standard drug Itraconazole.
以3-(4-氟苯甲酰)吲哚嗪-1-羧酸和取代苯并肼为原料,经分子内环化反应,合成了一系列新的(4-氟苯基(1-(5-苯基-1,3,4-恶二唑-2-基)吲哚嗪-3-基)甲烷衍生物。通过1h NMR、13C NMR、LCMS、FT-IR和元素分析对化合物的结构进行了表征。化合物9(a-n)对MCF-7细胞系(HTB-22、智人、乳腺癌)的抗癌活性进行了评价。与标准药物阿霉素(IC50= 25.71)相比,化合物9j (IC50= 21.57µM)和9n (IC50= 8.52µM)的细胞毒活性最强。对金黄色葡萄球菌ATCC 6538和大肠杆菌ATCC 8739进行抑菌活性测定。与标准药物环丙沙星相比,化合物ZOI=16mm)和9i(ZOI= 18mm)表现出中等的抗菌活性。测定了其对白色念珠菌ATCC 10231的抑菌活性。与标准药物伊曲康唑相比,大多数化合物表现出中等的抗真菌活性。
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International Journal of Pharmaceutical Sciences and Drug Research
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