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SM 934, β-Aminoarteether maleate

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SM 934

  • Ethanamine, 2-[(decahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin-10-yl)oxy]-, [3R-(3α,5aβ,6β,8aβ,9α,10α,12β,12aR*)]-, (Z)-2-butenedioate (1:1)
  • 3,12-Epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin, ethanamine deriv.
  • SM 934
  • β-Aminoarteether maleate
CAS 133162-25-1
MF C17 H29 N O5 . C4 H4 O4
Ethanamine, 2-[(decahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin-10-yl)oxy]-, (3R,5aS,6R,8aS,9R,10S,11aR)-, (2Z)-2-butenedioate (1:1)

TLR7/9 signal transduction modulator

IND FILED

2.5 and 5 mg/kg, ig (MRL/lpr mice);
10 mg·kg−1·d−1, ig (NZB/W F1 mice)

Autoimmune diseases; SLE

SM934, an artemisinin derivative, possesses potent antiproliferative and antiinflammatory properties.

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In the present study, we investigated the immunosuppressive effects and underlying mechanisms of beta-aminoarteether maleate (SM934), a derivative of artemisinin, against T cell activation in vitro and in vivo. In vitro, SM934 significantly inhibited the proliferation of splenocytes induced by concanavalin A (Con A), lipopolysaccharide (LPS), mixed lymphocyte reaction (MLR), and anti-CD3 plus anti-CD28 (anti-CD3/28). SM934 significantly inhibited interferon (IFN)-gamma production and CD4(+) T cell division stimulated by anti-CD3/28. SM934 also promoted apoptosis of CD69(+) population in CD4(+) T cells stimulated by anti-CD3/28. Furthermore, SM934 inhibited interleukin (IL)-2 mediated proliferation and survival through blocking Akt phosphorylation in activated T cells. In ovalbumin (OVA)-immunized mice, oral administration of SM934 suppressed OVA-specific T cell proliferation and IFN-gamma production. SM934 treatment also significantly inhibited the sheep red blood cell (SRBC)-induced delayed type hypersensitivity (DTH) reactions in mice. Taken together, SM934 showed potent immunosuppressive activities in vitro and in vivo. Our results demonstrated that SM934 might be a potential therapeutic agent for immune-related diseases.

PATENT

http://www.google.co.in/patents/EP0362730A1?cl=en

Figure imgb0005

Figure imgb0006

PAPER

Volume 9, Issues 13–14, December 2009, Pages 1509–1517

Inflammatory Mediators Long Term after Sulfur Mustard Exposure (Sardasht-Iran Cohort Study)

SM934, a water-soluble derivative of arteminisin, exerts immunosuppressive functions in vitro and in vivo

  • a State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, People’s Republic of China
  • b Department of Synthetic Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, People’s Republic of China
  • c Laboratory of Immunology and Virology, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, People’s Republic of China

  • Hou LF, He SJ, Wang JX, Yang Y, Zhu FH, Zhou Y, et al. SM934, a water-soluble derivative of arteminisin, exerts immunosuppressive functions in vitro and in vivo. Int Immunopharmacol 2009; 9: 1509–17. | Article |
  • Hou LF, He SJ, Li X, Yang Y, He PL, Zhou Y, et al. Oral administration of artemisinin analog SM934 ameliorates lupus syndromes in MRL/lpr mice by inhibiting Th1 and Th17 cell responses. Arthritis Rheum 2011; 63: 2445–55. | Article
  • Hou LF, He SJ, Li X, Wan CP, Yang Y, Zhang XH, et al. SM934 treated lupus-prone NZB x NZW F1 mice by enhancing macrophage interleukin-10 production and suppressing pathogenic T cell development. PLoS One 2012; 7: e 32424.
  • Wu Y, He S, Bai B, Zhang L, Xue L, Lin Z, et al. Therapeutic effects of the artemisinin analog SM934 on lupus-prone MRL/lpr mice via inhibition of TLR-triggered B-cell activation and plasma cell formation. Cell Mol Immunol 2015 Mar 16. doi: 10.1038/cmi.2015.13. [Epub ahead of print].

/////////TLR7/9 signal transduction modulator, SM 934, IND FILED, 133162-25-1, β-Aminoarteether maleate

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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 GLENMARK PHARMACEUTICALS LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 29 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 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 29 year tenure till date Aug 2016, Around 30 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 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 25 Lakh plus views on dozen plus blogs, 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 13 lakh plus views on New Drug Approvals Blog in 212 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

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