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Designing of putative siRNA to inhibit dengue virus replication 设计抑制登革病毒复制的siRNA
Pub Date : 2018-10-01 DOI: 10.21276/IJRDPL.2278-0238.2018.7(5).3115-3118
Om Prakash, B. Jain, Amita Jain
http://dx.doi.org/10.21276/IJRDPL.22780238.2018.7(5).3115-3118 ABSTRACT: Dengue virus is mosquito-borne virus that manifests itself in human infections with dengue fever (DF) to dengue hemorrhagic fever (DHF). DHF can lead to development of dengue shock syndrome (DSS). RNAi works by silencing the target gene expression using siRNA. Hence there arises an urgent need to design potential siRNA against the target sequence of dengue virus gene to control its replication and pathogenicity. This study is aimed to predict self-potential designed siRNA-based therapeutics that might be used for the treatment of dengue virus infection. The prediction of potential siRNA was done by using various computational tools as searching target sequences, multiple sequences alignment, secondary structure prediction, siRNA-target sequence interaction prediction and finally the evaluation of effectiveness of predicted siRNA. Ten pair of potential siRNAs were predicted and designed rationally for silencing five target genes (Capsid, CprM, NS1, NS3 and NS5) of dengue virus used in the study through RNAi technology. The outcomes of this study are ten pair of potential siRNA molecules which might be used as a potential antiviral RNA based therapeutics to suppress the dengue virus replication.
摘要:登革热病毒是一种蚊媒病毒,主要表现为人感染登革热(DF)至登革出血热(DHF)。登革出血热可导致登革休克综合征(DSS)。RNAi的工作原理是利用siRNA沉默靶基因的表达。因此,迫切需要设计针对登革病毒基因靶序列的潜在siRNA来控制其复制和致病性。本研究旨在预测可能用于治疗登革热病毒感染的基于sirna的自我电位设计疗法。潜在siRNA的预测是通过目标序列搜索、多序列比对、二级结构预测、siRNA-目标序列相互作用预测以及预测siRNA有效性评价等计算工具完成的。通过RNAi技术,预测并合理设计了10对潜在的sirna,用于沉默登革热病毒的5个靶基因(Capsid、CprM、NS1、NS3和NS5)。本研究的结果是10对潜在的siRNA分子可能被用作潜在的抗病毒RNA治疗药物来抑制登革热病毒的复制。
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引用次数: 1
Simultaneous Estimation of Sofosbuvir and Velpatasvir Tablets by RP- HPLC Method 反相高效液相色谱法同时测定索非布韦和维帕他韦片的含量
Pub Date : 2018-10-01 DOI: 10.21276/IJRDPL.2278-0238.2018.7(5).3092-3099
Sreehitha, R. Sireesha, B. Sivagami, V. P. Kumar, Rajadurai Chandrasekar, M. Babu
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引用次数: 1
Design and evaluation of Mucoadhesive Buccal Tablets of an anti-hypertensive drug - Valsartan 抗高血压药物缬沙坦黏附口腔片的设计与评价
Pub Date : 2018-10-01 DOI: 10.21276/ijrdpl.2278-0238.2018.7(5).3110-3114
R. Mathur, Bhumika Tamrakar, A. Anita, B. Lal, Rajmani Mafidar, M. Bhowmick, J. Rathi
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引用次数: 0
Formulation and evaluation of Microspheres for Colon targeted delivery of Ondansetron 昂丹司琼结肠靶向给药微球的研制与评价
Pub Date : 2018-10-01 DOI: 10.21276/IJRDPL.2278-0238.2018.7(5).3083-3091
Saurav Kumar, Rajwinder Kaur, R. Sharma
http://dx.doi.org/10.21276/IJRDPL.22780238.2018.7(5).3083-3091 ABSTRACT: Objective: The main objective of the present study was to evolve and characterize the microspheres for colon specific target delivery of Ondansetron HCl for the treatment of Inflammatory Bowel Disease. Methods: Ondansetron HCl loaded microspheres were devised by using emulsion solvent evaporation method. HPMC and Ethyl cellulose were used as polymers. Results and Discussion: The preformulation compatibility studies between drug, excipients and microsphere formulations were carried out by Fourier transform infra-red spectroscopy (FTIR). The optimization of the process and formulation was done with respect to the different parameters like drug-polymer ratio, stirring speed, volume of internal phase and amount of emulsifying agent. The microspheres were filled into hard gelatin capsule shells which are sealed and coated with ethanolic solutions of ethyl cellulose and shellac. Drug release profile of microspheres was investigated in GIT pH specific media (0.1M HCl & Phosphate buffer pH 6.8). The FTIR spectra showed that no chemical interaction or changes take place during perpetration of formulations. The drug was stable in all the formulations. The process parameter modulation results showed that the production yields and particle size was decreased with increased stirring speed and increasing the volume of internal phase. Conclusion: In-vitro drug release study of all ondansetron HCl loaded microsphere formulations OF1-OF4 show the release of drug released by non-Fickian diffusion n<0.85.
http://dx.doi.org/10.21276/IJRDPL.22780238.2018.7(5).3083-3091摘要:目的:本研究的主要目的是发展和表征用于治疗炎症性肠病的昂丹司琼结肠特异性靶向递送的微球。方法:采用乳化溶剂蒸发法制备盐酸昂丹司琼微球。聚合物采用HPMC和乙基纤维素。结果与讨论:采用傅里叶变换红外光谱(FTIR)对制剂、辅料与微球制剂进行配伍研究。根据药聚合物比、搅拌速度、内相体积、乳化剂用量等参数对工艺和配方进行了优化。将微球装入坚硬的明胶胶囊壳中,密封后涂以乙基纤维素和虫胶的乙醇溶液。研究微球在GIT pH特异性培养基(0.1M HCl +磷酸盐缓冲液pH 6.8)中的药物释放谱。FTIR光谱显示,在配方制备过程中没有发生化学反应或化学变化。该药物在所有配方中都是稳定的。工艺参数调制结果表明,随着搅拌速度的增加和内相体积的增大,产品得率和颗粒尺寸减小。结论:所有盐酸昂丹司琼微球制剂OF1-OF4体外释药研究表明,非菲克扩散释药n<0.85。
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引用次数: 1
Formulation and evaluation of Taste Masked Mouth Dissolving Tablet of Levocetrizine dihydrochloride by using Ion-Exchange Resin 离子交换树脂法制备盐酸左西曲嗪掩口溶片及评价
Pub Date : 2018-10-01 DOI: 10.21276/IJRDPL.2278-0238.2018.7(5).3104-3109
R. Mishra, M. Barman, Monika Singh, S. Snigdha, B. Bhardwaj, P. Saxena, Smriti Sahu
http://dx.doi.org/10.21276/IJRDPL.22780238.2018.7(5).3104-3109 ABSTRACT: Levocetirizine dihydrochloride is a third-generation non-sedating antihistamine drug derived from the second generation anti-histamine cetrizine. It is H1receptorantagonist.Allergic rhinitis is a symptomatic disorder of the nose induced by inflammation mediated by immunoglobulinE (IgE) in the membrane lining the nose after allergen exposure. Thus, formulating Levocetirizine into an orodispersible dosage form would provide fast relief. The Levocetirizine is bitter in taste so the Kyron T-134 (ion exchange resin synthetic which is inert organic polymers consist of hydrocarbon network to which ionizable groups are attached and they have the ability to exchange their labile ions for ions present in the solution with which they are in contact) was used to mask the taste and to formulate Mouth dissolving tablets using drug resin complex. The tablets were evaluated for the drug content, weight variation, water absorption ratio, wetting time, invitro disintegration, hardness, friability, thickness. All the parameters were found to be acceptable in range. The optimized formulation was disintegrated in 25 seconds and complete drug was released from tablet in10 minutes. It has been compared with marketed formulation and the drug release rate was found to be enhanced. Thus, results showed that Levocetirizine dihydrochloride was successfully formulated into Mouth Dissolving Tablets.
http://dx.doi.org/10.21276/IJRDPL.22780238.2018.7(5).3104-3109摘要:盐酸左西替利嗪是由第二代抗组胺药头孢嗪衍生而来的第三代非镇静性抗组胺药。它是h1受体拮抗剂。变应性鼻炎是过敏原暴露后,由鼻粘膜免疫球蛋白(IgE)介导的炎症引起的鼻部症状性疾病。因此,将左西替利嗪配制成可分散的剂型将提供快速缓解。左西替利嗪的味道是苦的,所以Kyron T-134(离子交换树脂合成物是惰性有机聚合物,由碳氢化合物网络组成,可电离基团附着在碳氢化合物网络上,它们有能力将不稳定的离子交换为与它们接触的溶液中的离子)被用来掩盖味道,并使用药物树脂复合物配制口腔溶解片。对其进行药物含量、重量变化、吸水率、润湿时间、体外崩解、硬度、脆度、厚度等评价。所有参数均在可接受范围内。优化后的处方在25秒内崩解,10分钟内完全释药。与市售制剂进行了比较,发现其药物释放率有所提高。结果表明,盐酸左西替利嗪可成功配制成口腔溶出片。
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引用次数: 1
Niosomes A Promising Carrier for Drug Delivery 一种有前途的药物递送载体
Pub Date : 2018-08-01 DOI: 10.21276/ijrdpl.2278-0238.2018.7(4).3015-3021
Sultan Ahmad, Deepak Teotia, Kapil Kumar
http://dx.doi.org/10.21276/IJRDPL.22780238.2018.7(4).3015-3021 ABSTRACT: Niosomes are non-ionic surfactant based multilamellar or unilamellar vesicles in which an aqueous solution of solute is entirely enclosed by a membrane resulting from the organization of surfactant macromolecules as bilayer. The term “Niosomes” is named as because vesicle is composed of a bilayer of non-ionic surfaceactive agents (non-ionic surfactants). Niosomes are a novel drug delivery system, in which the medication is encapsulated in a vesicle. The ionic drug carriers are relatively toxic and unsuitable whereas niosomal carriers are safer. Also handling and storage of niosomes require no special conditions. Niosomes proved to be a promising drug carrier and has potential to reduce the side effects of drugs and increased therapeutic effectiveness in various diseases. Niosomes tackle the problem of insolubility, instability, low bioavailability and rapid degradation of drugs. Present review article deals with advantages, preparations, evaluation and pharmaceutical applications of niosomes.
摘要:乳小体是基于非离子表面活性剂的多层或单层小泡,其中溶质水溶液被表面活性剂大分子双层组织形成的膜完全包裹。由于囊泡是由非离子表面活性剂(非离子表面活性剂)的双分子层组成的,故命名为“乳小体”。囊体是一种新型的药物传递系统,它将药物包裹在囊泡中。离子型药物载体毒性较大,不适合作为药物载体,而乳质体药物载体安全性较好。此外,处理和储存乳质体也不需要特殊条件。牛小体是一种很有前途的药物载体,在减少药物副作用和提高治疗各种疾病的疗效方面具有潜力。纳米体解决了药物的不溶性、不稳定性、低生物利用度和快速降解的问题。本文综述了纳米体的优点、制备方法、评价及其在医药领域的应用。
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引用次数: 2
Fresh water Algal diversity of Central India 印度中部淡水藻类的多样性
Pub Date : 2018-08-01 DOI: 10.21276/ijrdpl.2278-0238.2018.7(4).3039-3049
N. Srivastava, M. Suseela, K. Toppo, R. Lawrence
http://dx.doi.org/10.21276/IJRDPL.227 8-0238.2018.7(4).3039-3049 ABSTRACT: Fresh water microalgae has drawn much attention due to their primary productivity in the water food chain of water ecosystem diversity, their biological assessment of water quality, pollution abatement capacity and as a source of structurally novel and biologically active metabolites with antimicrobial capacity etc. Distribution of fresh water microalgae of unexplored localities of some parts of central India has been investigated. A total of thirty fresh water algal samples were collected from different unexplored sites of central India. Thirty-four algal taxa comprising twenty-five genera in which eighteen unicellular, nine colonials and nine filamentous algae were identified based on microscopic observation and characters such as average filament length, colonial diameter, shape and cell dimensions. Results revealed that these microalgae belonging to three major classes Chlorophyceae (green algae), Bacillariophyceae (diatoms) and Cyanophyceae (blue green algae). Maximum algal taxa belonged to green algae followed by bluegreen algae and diatoms. The occurrence of fresh water algae, their diversity and distribution was interpreted with water quality and its physico-chemical characteristics. The present study not only discusses the basic information of fresh water algal presence, distribution but also helps for future environmental monitoring studies.
http://dx.doi.org/10.21276/IJRDPL.227 8-0238.2018.7(4)。摘要:淡水微藻因其在水生态系统多样性的水食物链中的初级生产力、对水质的生物评价、对污染的治理能力以及作为一种结构新颖、具有生物活性和抗菌能力的代谢物来源而备受关注。对印度中部一些未开发地区的淡水微藻分布进行了调查。从印度中部不同的未开发地点收集了总共30个淡水藻类样本。根据显微观察和平均丝长、群体直径、形状、细胞尺寸等特征,鉴定出25属34个藻类类群,其中单细胞藻类18个,菌落藻类9个,丝状藻类9个。结果表明,这些微藻分属绿藻、硅藻和蓝藻三大类。藻类类群以绿藻最多,其次为蓝藻和硅藻。用水质及其理化特征来解释淡水藻类的发生、多样性和分布。本研究不仅探讨了淡水藻类存在、分布的基本信息,而且为今后的环境监测研究提供了依据。
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引用次数: 9
Design, Development and Evaluation of Extended Release Tablets of Anti-asthmatic Agents using various Polymers 不同聚合物平喘药缓释片的设计、研制与评价
Pub Date : 2018-08-01 DOI: 10.21276/IJRDPL.2278-0238.2018.7(4).3050-3054
Ashok Kumar, N. Goyal
The aim of this investigation was to define and assess Salbutamol sulphate and Theophylline framework tablets, prolonged discharge dosage form, for the treatment of Chronic Obstructive Pulmonary Disease (COPD). Powder blends of the drugs (Salbutamol sulphate and Theophylline) and polymers (HPMC K100M and Xanthan Gum) were evaluated for loose bulk density, tapped bulk density, compressibility index and angle of repose which shows satisfactory results. The direct compression method was used for the preparation of Extended-release tablets using hydroxyl propyl methyl cellulose (HPMC K100M), a semi-synthetic polymer, and xanthan gum(a natural polymer) in changing ratios keeping the total weight 250 mg for each tablet. The fabricated tablets were then evaluated for various physical tests like diameter, thickness, uniformity of weight, hardness, friability and drug content. The results of all these tests were found to be satisfactory as per guidelines mentioned in the standards. The in-vitro dissolution study was carried out for 24 hours using type II dissolution apparatus. Among all the formulation, F7 shows 97.16 ±0.59 % of drug release at the end of 12 hours. This finding reveals that above a particular concentration of HPMC K100M and xanthan gum are capable of providing extended drug release from the dosage form.
本研究的目的是定义和评估硫酸沙丁胺醇和茶碱框架片,延长出院剂型,用于治疗慢性阻塞性肺疾病(COPD)。对药物(硫酸沙丁胺醇和茶碱)与聚合物(HPMC K100M和黄原胶)共混粉末的松散容重、疏通容重、压缩指数和休止角进行了评价,取得了满意的效果。采用直接压缩法,以半合成聚合物羟丙基甲基纤维素(HPMC K100M)和天然聚合物黄原胶(h原胶)按不同配比制备缓释片,每片总重量为250 mg。然后对制备的片剂进行了各种物理测试,如直径、厚度、重量均匀性、硬度、脆性和药物含量。所有这些测试的结果都符合标准中提到的准则。体外溶出研究采用II型溶出仪进行24小时。其中F7在12 h时释药率为97.16±0.59%。这一发现表明,在特定浓度以上的HPMC K100M和黄原胶能够提供延长的药物释放剂型。
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引用次数: 0
Diabetes mellitus: An Overview 糖尿病:综述
Pub Date : 2018-08-01 DOI: 10.21276/IJRDPL.2278-0238.2018.7(4).3030-3033
Nitin Chaudhary, N. Tyagi
http://dx.doi.org/10.21276/IJRDPL.22780238.2018.7(4).3030-3033 ABSTRACT: Diabetes mellitus is a metabolic disorder resulting from a defect in insulin secretion, insulin action or both. The condition itself introduces a need for patient’s lifestyle adjustment to the disease and a number of everyday therapeutic and diagnostic restrictions. The main indication of diabetes mellitus is a hyperglycemia in blood which is due to inappropriate pancreatic insulin secretion or low insulin-directed fostering of glucose by target cells. It is silent killer disease and affects millions of people in the world. It is estimated that in 2010 there was globally 285 million people suffering from this disease. This number is estimated to increase to 430 million in the absence of better control or cure. Different types of diabetes mellitus, type 1, type 2, gestational diabetes and other types of diabetes mellitus are compared in terms of diagnostic criteria, etiology and genetics. As the disease progresses tissue or vascular damage ensures leading to severe diabetic complications such as retinopathy, neuropathy, nephropathy, cardiovascular complications and ulceration. Currently available pharmacotherapy for the treatment of diabetes mellitus includes insulin and hypoglycemic agents. These drugs act by increasing the secretion of insulin form pancreas or reducing plasma glucose concentrations by increasing glucose uptake and decreasing gluconeogenesis. Comobrid mental diseases can further negatively influence the course of diabetes. They are specially depression, anxiety disorders, eating disorders and cognitive disorders including dementia. Various herbal drugs have been also proved effective due to their beneficial contents in treatment of diabetes. This article focuses on the causes, types, diagnosis and treatment of diabetes.
http://dx.doi.org/10.21276/IJRDPL.22780238.2018.7(4).3030-3033摘要:糖尿病是一种由胰岛素分泌或胰岛素作用缺陷引起的代谢性疾病。这种情况本身就需要患者调整生活方式以适应疾病,以及一些日常治疗和诊断限制。糖尿病的主要指征是血糖升高,这是由于胰腺胰岛素分泌不当或靶细胞胰岛素引导的葡萄糖培养水平低所致。它是一种无声的杀手疾病,影响着世界上数百万人。据估计,2010年全球有2.85亿人患有这种疾病。如果没有更好的控制或治疗,这一数字估计将增加到4.3亿。不同类型的糖尿病,1型,2型,妊娠期糖尿病和其他类型的糖尿病在诊断标准,病因学和遗传学方面进行比较。随着疾病的发展,组织或血管的损伤会导致严重的糖尿病并发症,如视网膜病变、神经病变、肾病、心血管并发症和溃疡。目前治疗糖尿病的药物包括胰岛素和降糖药。这些药物的作用是增加胰腺胰岛素的分泌,或通过增加葡萄糖摄取和减少糖异生来降低血浆葡萄糖浓度。合并精神疾病会进一步对糖尿病的病程产生负面影响。特别是抑郁症、焦虑症、饮食失调和包括痴呆症在内的认知障碍。各种草药也被证明是有效的,因为它们对治疗糖尿病有益。本文主要介绍糖尿病的病因、类型、诊断和治疗。
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引用次数: 0
Incidence of Polypharmacy and Drug related problems among Geriatric patients in a Multispecialty hospital 某综合专科医院老年患者多药及药物相关问题的发生率
Pub Date : 2018-08-01 DOI: 10.21276/IJRDPL.2278-0238.2018.7(4).3055-3059
T. Tamilselvan, T. Kumutha, M. Priyanka, R. Bose, M. Sindhuja
http://dx.doi.org/10.21276/IJRDPL.22780238.2018.7(4).3055-3059 ABSTRACT:The study objectives were to assess the incidence of polypharmacy and drug-related problems among geriatric patients. This prospective, observational study was conducted in 150 geriatric patients at Vivekanandha medical care hospital. The severities of adverse drug reactions were assessed using Naranjo scale and inappropriate medications were examined using BEER’s criteria. The highest frequency of geriatric patients with polypharmacy was from the age group of 65-70 years (65%). Most of the patients (43%) were taking 5-10 drugs. Out of 150 patients, 124(83%) patients had comorbidities and 26(17%) patients were found without comorbidity. The percentage of patients suffering from DM and HTN were found to be the highest. Antihypertensive was mostly prescribed. The major incidence of drug-drug interaction was found in the moderate category (59.50%). DRP's were assessed. The incidence of 119 drug duplications was found in 62 cases. Inappropriate prescription of drugs was found in 61 cases (101 medications). A total of 34 ADRs were found in 34 cases. From 83 case sheets, 91 medication errors were identified. The incidence of drug related problems was highest in the general medicine department. The incidence of polypharmacy and drug-related problems were high in geriatric population of general medicine department. Benzodiazepine class of drugs was the commonly prescribed inappropriate medication as per the BEER's criteria. The incidence of probable ADR was highly observed in this study.
http://dx.doi.org/10.21276/IJRDPL.22780238.2018.7(4).3055-3059摘要:本研究旨在评估老年患者使用多种药物及药物相关问题的发生率。这项前瞻性观察性研究在Vivekanandha医疗医院的150名老年患者中进行。采用Naranjo量表评估药物不良反应严重程度,采用BEER标准检查用药不当。65-70岁的老年患者使用多种药物的频率最高(65%)。大多数患者(43%)服用5-10种药物。在150例患者中,124例(83%)患者有合并症,26例(17%)患者无合并症。糖尿病和HTN患者的比例最高。主要是开抗高血压药。药物相互作用发生率以中度为主(59.50%)。评估DRP。62例中有119例药物重复。处方不当61例(101种药物)。34例患者共发生34例不良反应。从83个病例表中,确定了91个用药错误。药物相关问题在全科的发生率最高。全科老年人群多药及药物相关问题发生率较高。根据BEER的标准,苯二氮卓类药物是常用的不适当药物。本研究高度观察到可能的不良反应发生率。
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引用次数: 6
期刊
International Journal of Research and Development in Pharmacy & Life Sciences
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