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New drug discovery: Where are we heading to?

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To start with the simplest one is Quantitative structure-activity relationship (QSAR) which is also referred to as 2D-QSAR sometimes. 3D-QSAR involving Comparative Molecular Field Analysis (CoMFA) and Comparative molecular similarity index analysis (CoMSIA) are extension of QSAR. QSAR is not able to take the three dimensional structure of a molecule into consideration due to absence of three-dimensional parameterization of structures. 3D-QSAR scores over QSAR in this respect. Docking studies throw more light on the binding modes of drugs with their target proteins but it is feasible only when the crystal structure of the target enzyme/protein is known with good resolution. Docking studies are also used for virtual screening of databases. But the ideal technique for virtual screening of compounds is through pharmacophore mapping and screening, especially when the structure of the target is not known. Very large databases can be first screened by pharmacophorebecause the technique is quite fast followed by screening of the positive hits using docking studies. Insilico designing of novel compounds can also be performed using deNovodesigning techniques subject to the condition that the target structure in known.

Yadav M R. New drug discovery: Where are we heading to?. J Adv Pharm Technol Res 2013;4:2-3

 

URL:
Yadav M R. New drug discovery: Where are we heading to?. J Adv Pharm Technol Res [serial online] 2013 [cited 2014 Aug 12];4:2-3. Available from: http://www.japtr.org/text.asp?2013/4/1/2/107493

 

http://www.japtr.org/article.asp?issn=2231-4040;year=2013;volume=4;issue=1;spage=2;epage=3;aulast=Yadav


1 Comment

  1. I enjoyed this Post very much !! Thanks for sharing, Ann

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DR ANTHONY CRASTO

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with AFRICURE PHARMA as ADVISOR, earlier assignment was with GLENMARK LIFE SCIENCES LTD, as CONSUlTANT, Retired from GLENMARK in Jan2022 Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 32 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 32 PLUS year tenure till date Feb 2023, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 100 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 100 Lakh plus views on dozen plus blogs, 227 countries, 7 continents, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 38 lakh plus views on New Drug Approvals Blog in 227 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc He has total of 32 International and Indian awards

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