Sugunakar Vuree , Nageswara Rao Dunna , Imran Ali Khan , Khalid K. Alharbi , Satti Vishnupriya , Divya Soni , Pratik Shah , Harshpreet Chandok , Mukesh Yadav , Anuraj Nayarisseri
{"title":"Pharmacogenomics of drug resistance in Breast Cancer Resistance Protein (BCRP) and its mutated variants","authors":"Sugunakar Vuree , Nageswara Rao Dunna , Imran Ali Khan , Khalid K. Alharbi , Satti Vishnupriya , Divya Soni , Pratik Shah , Harshpreet Chandok , Mukesh Yadav , Anuraj Nayarisseri","doi":"10.1016/j.jopr.2013.06.020","DOIUrl":"10.1016/j.jopr.2013.06.020","url":null,"abstract":"<div><h3>Aim</h3><p>Drugs in breast cancer treatment suffer resistance and drug efflux from ATP-binding cassette (ABC) efflux transporter protein. Drugs inhibiting BCRP suffer activity alteration due to sequence variants. It is imperative to investigate role of mutant variants using structure based aspects of drug binding.</p></div><div><h3>Method</h3><p>In present work, we included single nucleotide polymorphisms like F208S, S248P and F431L in BCRP structure and evaluated their role in alteration of drug binding affinities using computational approaches. Comparative modeling of BCRP 3D structure was achieved using various tools available followed by structure validation. Mutagenesis and its impact by SNPs was attained in 3D structure of BCRP. A set of selected and established BCRP inhibitors were further docked into binding site to record the drug resistance in mutant variants.</p></div><div><h3>Results</h3><p>Nucleotide binding (NB) domain (258 AA) and transmembrane (TM) domain (291 AA) of BCRP were modeled separately and assembled together to generate a single structure. Ramachandran Plot confirmed quality of modeled structures along with main chain and side chain parameters. Mutagenesis included three main variants (F208S, S248P and F431L) using Triton program. Molecular docking results showed inhibitor CID_25223199 binding effectively to wild and F431L mutant structure of BCRP while inhibitors CID_25223002 to F208S and CID_119373 to S248P.</p></div><div><h3>Conclusion</h3><p>Distortion in spatial arrangement of amino acids in BCRP protein due to mutations led to low efficacy in drug response with respect to wild isoform. Results of present work demand to probe pharmacogenomic aspects in drug development efforts for breast cancer.</p></div>","PeriodicalId":16787,"journal":{"name":"Journal of Pharmacy Research","volume":"6 7","pages":"Pages 791-798"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jopr.2013.06.020","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76188395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Synthesis of novel indole based scaffolds holding pyrazole ring as anti-inflammatory and antioxidant agents","authors":"Vishwanath Sharath , Honnaiah Vijay Kumar , Nagaraja Naik","doi":"10.1016/j.jopr.2013.07.002","DOIUrl":"10.1016/j.jopr.2013.07.002","url":null,"abstract":"<div><h3>Aim</h3><p>To synthesize substituted indole based scaffolds having pyrazole ring and evaluate for their anti-inflammatory activity and antioxidant.</p></div><div><h3>Method</h3><p>The structures of newly synthesized compounds were elucidated by spectroscopic methods such as IR, <sup>1</sup>H NMR, <sup>13</sup>C NMR, mass, <sup>1</sup>H NMR spectra and elemental analysis. Antioxidant assays like 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging, 2,2-azino <em>bis</em> (3-ethylbenzothiazoline-6-sulfonic acid) (<span><math><mrow><msup><mrow><mtext>ABTS</mtext></mrow><mrow><mtext><mglyph></mglyph></mtext><mo>+</mo></mrow></msup></mrow></math></span>) radical ion decolorization assay and lipid peroxidation activity (LPO) were performed. Anti-inflammatory activity was studied using linoleic acid as substrate and lipoxidase enzyme.</p></div><div><h3>Results</h3><p>Among the synthesized analogues compound <strong>7d</strong> revealed broad-spectrum of antioxidant activity and on the other hand compound <strong>7c</strong> exhibits a promising anti-inflammatory activity.</p></div><div><h3>Conclusion</h3><p>The achieved results prove that the distinctive compounds could serve as promising lead candidates and also for acclimatization and investigation to construct more active analogues.</p></div>","PeriodicalId":16787,"journal":{"name":"Journal of Pharmacy Research","volume":"6 7","pages":"Pages 785-790"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jopr.2013.07.002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77493974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rajesh Sreedharan Nair, Tai Nyet Ling, Mohamed Saleem Abdul Shukkoor, Balamurugan Manickam
{"title":"Matrix type transdermal patches of captopril: Ex vivo permeation studies through excised rat skin","authors":"Rajesh Sreedharan Nair, Tai Nyet Ling, Mohamed Saleem Abdul Shukkoor, Balamurugan Manickam","doi":"10.1016/j.jopr.2013.07.003","DOIUrl":"10.1016/j.jopr.2013.07.003","url":null,"abstract":"<div><h3>Background/objectives</h3><p>Captopril, \"an ACE inhibitor\" has comparatively short elimination half life and its oxidation rate in dermal homogenate is significantly lower than that in intestinal homogenate. So as to enhance the bioavailability and to reduce the difficulties associated with captopril, it is decided to design a transdermal drug delivery system for this drug. So the objective of this present work is to formulate and evaluate the matrix type transdermal drug delivery systems of captopril, with different polymer combinations and penetration enhancers.</p></div><div><h3>Methods</h3><p>Eight formulations (F1–F8) were prepared by the solvent casting technique using varying proportions of polymers such as hydroxypropyl methylcellulose (HPMC), polyethylene glycol (PEG) 400, along with the permeation enhancers such as menthol and <em>aloe vera</em> at different concentrations.</p></div><div><h3>Results</h3><p>The FTIR results showed no abnormal peaks and thus concluded that no incompatibility between the drug and polymers. The skin irritation studies were performed on rabbits, the results showed no noticeable skin reactions, pointed out the compatibility of drug as well as polymer matrix with the skin. The uniformity of drug content was evidenced by low standard deviation (S.D) values. High folding endurance (>280) revealed that the prepared films have good flexibility. The weight of patches were uniform and thickness varied from 0.05 to 0.13 mm. <em>Ex vivo</em> permeation studies through excised rat skin were carried out using modified Franz diffusion cell, and the results showed that film (F6) containing HPMC and PEG 400 (1:1) with menthol as a permeation enhancer demonstrated the highest drug permeation (90.04%) at 24 h (<em>p</em> < 0.05) with the transdermal flux of 54.5 μg/cm<sup>2</sup>/h.</p></div><div><h3>Conclusions</h3><p>The formulation coded as F6 was found to be the ideal patch, shown the maximum drug permeation of 90.04% at the end of 24 h followed Higuchi diffusion kinetics.</p></div>","PeriodicalId":16787,"journal":{"name":"Journal of Pharmacy Research","volume":"6 7","pages":"Pages 774-779"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jopr.2013.07.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73749167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"In vitro and in vivo antiproliferative potential of Cuscuta reflexa Roxb.","authors":"Madhulika Bhagat , Jatinder Singh Arora , Ajit Kumar Saxena","doi":"10.1016/j.jopr.2013.06.005","DOIUrl":"10.1016/j.jopr.2013.06.005","url":null,"abstract":"<div><h3>Background</h3><p><em>Cuscuta reflexa</em> Roxb., (Convolvulaceae), is well known medicinal plant in Indian System of Medicine for various ailments. We have explored antiproliferative properties of <em>Cuscuta reflexa</em> (whole plant).</p></div><div><h3>Methods</h3><p>Three extracts (95% alcoholic, 50% hydro-alcoholic and aqueous) and four fractions (n-hexane, chloroform, n-butanol and aqueous) were prepared. <em>In vitro</em> cytotoxicity was observed by using SRB assay and <em>in vivo</em> antitumor activity was also performed using murine models.</p></div><div><h3>Results</h3><p>The alcoholic extract and its chloroform fraction were found to be most potent among three extracts and four fractions of alcoholic extract. It showed maximum cytotoxicity against human breast (MCF-7) cancer cell lines. The alcoholic extract showed significant (<em>p</em> < 0.05) tumor growth inhibition at 40 mg/kg which were 42.62% and 25.96% for Ehrlich tumor and Sarcoma −180 solid tumor model respectively. Similarly, chloroform fraction of alcoholic extract showed significant tumor growth inhibition of 48.98% and 44.11% for Ehrlich tumor and Sarcoma-180 solid tumor model at 10 mg/kg respectively.</p></div><div><h3>Conclusion</h3><p>This study indicates that the cytotoxic potential of <em>Cuscuta reflexa</em> lies in its alcoholic extract and chloroform fraction of alcoholic extract of the whole plant due to interference in cell proliferation.</p></div>","PeriodicalId":16787,"journal":{"name":"Journal of Pharmacy Research","volume":"6 7","pages":"Pages 690-695"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jopr.2013.06.005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91193475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Md. Saifuzzaman , Md. Sarowar Jahan Shamim , Kamanashis Mahaldar , Eunus Sheemul Ali , Md. Amirul Islam
{"title":"Antinociceptive activity of the ethanolic extract of Persicaria acuminata Sach.","authors":"Md. Saifuzzaman , Md. Sarowar Jahan Shamim , Kamanashis Mahaldar , Eunus Sheemul Ali , Md. Amirul Islam","doi":"10.1016/j.jopr.2013.07.005","DOIUrl":"10.1016/j.jopr.2013.07.005","url":null,"abstract":"<div><h3>Background</h3><p><em>Persicaria acuminata</em> Sach. (Family – Polygonaceae) commonly known as Bishkathali is a Bangladeshi native plant which is traditionally used in painful conditions.</p></div><div><h3>Objective</h3><p>The aim of the present study was to evaluate antinociceptive effect of the plant and to prove the scientific basis of traditional use.</p></div><div><h3>Methods</h3><p>The ethanolic extracts of leaf and stem of the plant were investigated using acetic acid induced writhing method on animal model.</p></div><div><h3>Results</h3><p>Oral administration of both leaf and stem extracts at the doses of 250 and 500 mg/kg body weight showed significant and dose-dependent inhibition of writhing response.</p></div><div><h3>Conclusion</h3><p>The study signifies the antinociceptive activity of the plant and supports its popular folkloric use in the management of pain.</p></div>","PeriodicalId":16787,"journal":{"name":"Journal of Pharmacy Research","volume":"6 7","pages":"Pages 753-755"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jopr.2013.07.005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87569666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Synthesis and pharmacological evaluation of some new dibenzo [b, f] [1, 4]thiazepines","authors":"Sarita Pawar , Akhilesh Roy , Sanjay Wagh","doi":"10.1016/j.jopr.2013.07.011","DOIUrl":"10.1016/j.jopr.2013.07.011","url":null,"abstract":"<div><h3>Aim</h3><p>In the present study ten dibenzothiazepines with a methylene bridge between tricyclic nucleus and the substituent at C-11 were synthesized in order to investigate their antipsychotic activity. Some of the derivatives showed significant activity.</p></div><div><h3>Methods</h3><p>The title compounds were synthesized by condensation of 11-piperazinyl-dibenzothiazepine with the substituted benzyl halides in presence of triethylamine and 1,4-dioxane. The structures of the derivatives were elucidated by spectral analysis. The antipsychotic activity of the synthesized derivatives was evaluated using haloperidol induced catalepsy and lithium induced head twitches.</p></div><div><h3>Results</h3><p>In SSP-9 treated group, maximum catalepsy was noted 30 min after haloperidol. Lithium induced 40.2 ± 1.655 head twitches in 1 h. Clozapine (5 mg per kg) and SSP-9 (5 mg per kg) reduced the number of head twitches to 10 ± 0.7071 and 14.8 ± 0.8602, respectively.</p></div><div><h3>Conclusion</h3><p>The results demonstrated that the derivative SSP-9 possesses significant in vitro antipsychotic activity when compared with standard clozapine. Therefore, compound SSP-9 prototype could be considered as novel antipsychotic agent for further developing new atypical antipsychotics.</p></div>","PeriodicalId":16787,"journal":{"name":"Journal of Pharmacy Research","volume":"6 7","pages":"Pages 756-760"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jopr.2013.07.011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87720282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S.K. Kushwaha , A. Dashora , N. Dashora , J.R. Patel , M.L. Kori
{"title":"Acute oral toxicity studies of the standardized methanolic extract of Phyllanthus amarus Schum & Thonn","authors":"S.K. Kushwaha , A. Dashora , N. Dashora , J.R. Patel , M.L. Kori","doi":"10.1016/j.jopr.2013.04.020","DOIUrl":"10.1016/j.jopr.2013.04.020","url":null,"abstract":"<div><h3>Objectives</h3><p>To determine the acute toxicity of standardized methanolic extract of <em>Phyllanthus amarus in vivo</em> in female albino rats.</p></div><div><h3>Methods</h3><p>Treated group of animals were administrated 300, 600, 2000 and 5000 mg/kg body weight of extract orally and the control group received standard laboratory diet and water <em>ad libitum</em> following OECD guideline 423 with some modifications. All animals were sacrificed after 14 days of treatment.</p></div><div><h3>Results</h3><p>The extract was standardized by HPLC to contain phyllanthin and hypophyllanthin. No mortality was noted and the study exhibited no significant changes in general behavior, body weight, gross appearance of internal organs, hematological and biochemical parameters and the histological profile of liver also indicated the nontoxic nature of this drug. Biochemical studies showed no significant change in the levels of ALT, AST, albumin, triglycerides, cholesterol and albumin. There were no evidence found about congestion of sinusoids, hemorrhage, hepatocytes, fatty changes, centrilobular necrosis and the changes in number of Kupffer cells in the liver. There was no increase of blood pressure and does not induce any nephrotoxicity and acute severe hepatotoxicity.</p></div><div><h3>Conclusion</h3><p>The present study provides pivotal evidences for ascertaining the safety of the standardized MEPA (LD<sub>50</sub> > 5000 mg/kg) that could be used as tonic or food supplement in folklore medicine.</p></div>","PeriodicalId":16787,"journal":{"name":"Journal of Pharmacy Research","volume":"6 7","pages":"Pages 720-724"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jopr.2013.04.020","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86615106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Syamsudin Abdillah , Awik Puji Dyah Nurhayati , Sri Nurhatika , Edwin Setiawan , Wan Lelly Heffen
{"title":"Cytotoxic and antioxidant activities of marine sponge diversity at Pecaron Bay Pasir Putih Situbondo East Java, Indonesia","authors":"Syamsudin Abdillah , Awik Puji Dyah Nurhayati , Sri Nurhatika , Edwin Setiawan , Wan Lelly Heffen","doi":"10.1016/j.jopr.2013.07.001","DOIUrl":"10.1016/j.jopr.2013.07.001","url":null,"abstract":"<div><h3>Objective</h3><p>A study on the cytotoxic and antioxidant activities of Sponges collected from Pecaron Bay Pasir Putih Situbondo was conducted. This study aimed at screening the hydro-ethanolic extracts of 7 sponge species: <em>Callyspongia</em> sp, <em>Acanthella</em> sp and <em>Xestospongia</em> sp colleted at the Pecaron Situbondo, East Java, Indonesia for antiproliferative and antioxidant activities.</p></div><div><h3>Methods</h3><p>After collection, the species were immediately immersed in ethanol and stored at low temperatures (−20 °C) until use. Cytotoxic assay was conducted using MTT methods for some cancerous cells, including T47D, Casky and HT-29 meanwhile antioxidant assay was conducted using DPPH method.</p></div><div><h3>Results</h3><p>the extracts from species <em>A. suberitoides</em> has the highest toxicity compare to another species which valued level on tumor cell lines (HT-29, T47D and Casky). Antioxidant assay using DPPH method found that only <em>Aaptos suberitoides</em> that had been identified to show strong activity due to IC<sub>50</sub> value of <30 μg/mL; meanwhile <em>Fascaplysinopsis reticulata</em>, <em>Acanthella</em> sp, <em>Petrosia contignata</em> and <em>Xestospongia exigua</em> showed moderate antioxidant activity with a IC<sub>50</sub> < 100 μg/mL. <em>Xestospongia</em> sp<em>, Callyspongia</em> sp showed a value of IC<sub>50</sub> > 100 μg/mL.</p></div><div><h3>Conclusion</h3><p>The study showed that <em>Xestospongia</em> sp<em>, Fascaplysinopsis reticulata, Callyspongia</em> sp, <em>Petrosia contignata</em>, <em>Aaptos suberitoides</em> were highly potential to develop for isolation of bioactive compounds as anticancer and antioxidant agents.</p></div>","PeriodicalId":16787,"journal":{"name":"Journal of Pharmacy Research","volume":"6 7","pages":"Pages 685-689"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jopr.2013.07.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74629095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Elizabeth M. Mathew , Kingston Rajiah , Krishana Kumar Sharma
{"title":"Interpretation of consumer's perception on readability of Consumer Medical Information Leaflets on obesity and lipid lowering drugs with standard methods","authors":"Elizabeth M. Mathew , Kingston Rajiah , Krishana Kumar Sharma","doi":"10.1016/j.jopr.2013.07.024","DOIUrl":"10.1016/j.jopr.2013.07.024","url":null,"abstract":"<div><h3>Aim</h3><p>Printed education materials are often used to augment healthcare professional's verbal information to consumers so it serves as an important component of symptom management. They also enhance the teaching process and can be used by consumers as a home reference. This study was aimed to interpret consumers' perception on Consumer Medical Information Leaflets (CMILs) on obesity and lipid lowering drugs, according to the standard formulae such as Flesch Reading Ease (FRE), Flesch–Kincaid Grade Level (FK-GL).</p></div><div><h3>Method</h3><p>The study was conducted over a period of 3 years in community pharmacy settings in Tamil Nadu, India. CMILs were interpreted by using the formulae such as Flesch Reading Ease (FRE) and Flesch–Kincaid Grade Level (FK-GL). Among the 1800 consumers, 300 consumers were excluded from the study due to lack of interest.</p></div><div><h3>Results</h3><p>Data revealed the consumer's perception on readability of Consumer Medical Information Leaflets on obesity and lipid lowering drugs based consumers rating.</p></div><div><h3>Conclusions</h3><p>Pharmaceutical companies (leaflets providers) are not taking the reading level of consumers into consideration which may not achieve the intended purpose. There is a need for developing CMILs having good readability score according to Indian set up.</p></div>","PeriodicalId":16787,"journal":{"name":"Journal of Pharmacy Research","volume":"7 7","pages":"Pages 606-610"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jopr.2013.07.024","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85153942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Molecular modelling studies of Histone Deacetylase inhibitors as anticancer agents","authors":"Sibi Narayanan , D. Velmurugan","doi":"10.1016/j.jopr.2013.07.017","DOIUrl":"10.1016/j.jopr.2013.07.017","url":null,"abstract":"<div><h3>Background</h3><p>Cancer causes death to over 7.6 million people every year. The disease can be classified as cells' uncontrolled division. This uncontrolled division of cells or uncontrolled growth is caused by DNA damage. This eventually results in genes mutations, which encodes cell division controlling proteins. Histone deacetylase (HDAC) is one among the principal targets for the anticancer drugs.</p></div><div><h3>Methods</h3><p>Molecular docking studies of nearly 60 Trichostatin A, SuberoylAnilide Hydroxamic Acid and Sulfonamide anilides which show good inhibitory activity against HDAC were carried out using GLIDE program of Schrödinger Suite 2009. Comparison of docking scores of the compounds with their respective QSAR IC<sub>50</sub> have also been made.</p></div><div><h3>Results</h3><p>From Trichostatin A and SuberoylAnilide Hydroxamic Acid analogues binding results, it was found that HDAC conformational changes are based on the ligand binding. C/N/O atoms present in the aliphatic chains of the analogues interacted well with the Zn<sup>2+</sup> metal ion and active site amino acid residues to disrupt the enzymatic activity of target protein HDAC.</p></div><div><h3>Conclusion</h3><p>Analogue inhibition taken into study with the target protein HDAC assures to be an advantageous therapeutic approach in cancer treatment.</p></div>","PeriodicalId":16787,"journal":{"name":"Journal of Pharmacy Research","volume":"7 7","pages":"Pages 611-620"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jopr.2013.07.017","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85186120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}