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ABY 737

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ABT-737

Molecular Weight813.43
FormulaC42H45ClN6O5S2
CAS No.852808-04-9

ABT-737 is a small molecule drug that inhibits Bcl-2 and Bcl-xL, two members of the Bcl-2 family of evolutionarily-conserved proteins that share Bcl-2 Homology (BH) domains. First developed as a potential cancer chemotherapy,[1] it was subsequently identified as a senolytic (a drug that selectively induces cell death in senescent cells).[2]

The Bcl-2 family is most notable for their regulation of apoptosis, a form of programmed cell death, at the mitochondrion; Bcl-2 and Bcl-xL are anti-apoptotic proteins. Because many cancers have mutations in these genes that allow them to survive, scientists began working to develop drugs that would inhibit this pathway in the 1990s.[1] ABT-737 was one of the earliest of a series of drugs developed by Abbott Laboratories (now Abbvie) to target this pathway, based on their resolution of the 3D structure of Bcl-xL and studies using high-field solution nuclear magnetic resonance (NMR) that revealed how the BH domains of these proteins interacted with their targets.[1]

ABT-737 was superior to previous BCL-2 inhibitors given its higher affinity for Bcl-2, Bcl-xL and Bcl-wIn vitro studies showed that primary cells from patients with B-cell malignancies are sensitive to ABT-737.[3] In animal models, it improved survival, caused tumor regression, and cured a high percentage of mice.[4] In preclinical studies utilizing patient xenografts, ABT-737 showed efficacy for treating lymphoma and other blood cancers.[5]

Unfortunately, ABT-737 is not bioavailable after oral administration, leading to the development of navitoclax (ABT-263) as an orally-available derivative with similar activity on small cell lung cancer (SCLC) cell lines.[1][6] Navitoclax entered clinical trials,[1][6] and showed promise in haematologic cancers, but was stalled when it was found to cause thrombocytopenia (severe loss of platelets), which was discovered to be caused by the platelets’ requirement for Bcl-xL for survival.[1]

Subsequently, it was reported that ABT-737 specifically induces apoptosis in senescent cells in vitro and in mouse models.[2]

ABT-737, a BH3 mimetic, is a potent Bcl-2Bcl-xL and Bcl-w inhibitor with EC50s of 30.3 nM, 78.7 nM, and 197.8 nM, respectively. ABT-737 induces the disruption of the BCL-2/BAX complex and BAK-dependent but BIM-independent activation of the intrinsic apoptotic pathway. ABT-737 induces autophagy and has the potential for acute myeloid leukemia (AML) research.

PATENT

PATENT

CN113248415

PATENT

US20070015787

Journal of Medicinal Chemistry (2007), 50(4), 641-662

https://pubs.acs.org/doi/10.1021/jm061152t

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Names
Preferred IUPAC name4-{4-[(4′-Chloro[1,1′-biphenyl]-2-yl)methyl]piperazin-1-yl}-N-(4-{[(2R)-4-(dimethylamino)-1-(phenylsulfanyl)butan-2-yl]amino}-3-nitrobenzene-1-sulfonyl)benzamide
Identifiers
CAS Number852808-04-9 
3D model (JSmol)Interactive image
ChEBICHEBI:47575
ChemSpider9403232
PubChemCID11228183
UNIIZ5NFR173NV 
CompTox Dashboard (EPA)DTXSID7042641 
showInChI
showSMILES
Properties
Chemical formulaC42H45ClN6O5S2
Molar mass813.43 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

References

  1. Jump up to:a b c d e f Croce, Carlo M; Reed, John C (October 2016). “Finally, An Apoptosis-Targeting Therapeutic for Cancer”Cancer Research76 (20): 5914–5920. doi:10.1158/0008-5472.CAN-16-1248PMC 5117672PMID 27694602.
  2. Jump up to:a b Yosef, Reut; Pilpel, Noam; Tokarsky-Amiel, Ronit; Biran, Anat; Ovadya, Yossi; Cohen, Snir; Vadai, Ezra; Dassa, Liat; Shahar, Elisheva; Condiotti, Reba; Ben-Porath, Ittai; Krizhanovsky, Valery (2016). “Directed elimination of senescent cells by inhibition of BCL-W and BCL-XL”Nature Communications7: 11190. Bibcode:2016NatCo…711190Ydoi:10.1038/ncomms11190PMC 4823827PMID 27048913.
  3. ^ Vogler, Meike, et al. “Bcl-2 inhibitors: small molecules with a big impact on cancer therapy.” Cell Death & Differentiation 16.3 (2008): 360–367.
  4. ^ Oltersdorf, Tilman; Elmore, Steven W.; Shoemaker, Alexander R.; Armstrong, Robert C.; Augeri, David J.; Belli, Barbara A.; Bruncko, Milan; Deckwerth, Thomas L.; Dinges, Jurgen; Hajduk, Philip J.; Joseph, Mary K.; Kitada, Shinichi; Korsmeyer, Stanley J.; Kunzer, Aaron R.; Letai, Anthony; Li, Chi; Mitten, Michael J.; Nettesheim, David G.; Ng, ShiChung; Nimmer, Paul M.; O’Connor, Jacqueline M.; Oleksijew, Anatol; Petros, Andrew M.; Reed, John C.; Shen, Wang; Tahir, Stephen K.; Thompson, Craig B.; Tomaselli, Kevin J.; Wang, Baole; Wendt, Michael D.; Zhang, Haichao; Fesik, Stephen W.; Rosenberg, Saul H. (2005). “An inhibitor of Bcl-2 family proteins induces regression of solid tumours”. Nature435 (7042): 677–81. Bibcode:2005Natur.435..677Odoi:10.1038/nature03579PMID 15902208S2CID 4335635.
  5. ^ Hann CL, Daniel VC, Sugar EA, Dobromilskaya I, Murphy SC, Cope L, Lin X, Hierman JS, Wilburn DL, Watkins DN, Rudin CM (April 2008). “Therapeutic efficacy of ABT-737, a selective inhibitor of BCL-2, in small cell lung cancer”Cancer Research68 (7): 2321–8. doi:10.1158/0008-5472.can-07-5031PMC 3159963PMID 18381439.
  6. Jump up to:a b Hauck P, Chao BH, Litz J, Krystal GW (April 2009). “Alterations in the Noxa/Mcl-1 axis determine sensitivity of small cell lung cancer to the BH3 mimetic ABT-737”Mol Cancer Ther8 (4): 883–92. doi:10.1158/1535-7163.MCT-08-1118PMID 19372561. Retrieved 9 September 2019.

///////////ABT-737, ABT 737

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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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