Thrombin inhibitors based on the amino acid sequence of hirudin

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

514 14, 514 15, 514 16, 514 17, 530325, 530326, 530327, 530328, 530329, 530332, A61K 3800

Patent

active

060604514

ABSTRACT:
A thrombin inhibitor comprising a first bulky hydrophobic portion interacting with the catalytic site of thrombin responsible for proteolysis and a second portion at least maintaining the hydrophobic and acidic character of amino acids 55 to 60 of native hirudin at the C-terminal non-catalytic region of N-acetyl-hirudin45-65. Between the first and second portions is a divalent linker moiety having a chain length of at least 10 carbon atoms. Connecting the first bulky hydrophobic portion and the linker is a peptidomimetic bond. Preferably, the bulky hydrophobic portion comprises at least one amino acid of D-configuration. The compounds are useful in the treatment of thrombotic disorders.

REFERENCES:
patent: 5196404 (1993-03-01), Maraganore et al.
patent: 5240913 (1993-08-01), Maraganore et al.
Krstenansky et al., Antithrombin Properties of C-Terminus of Hirudin Using Synthetic Unsulfated N.sup..alpha. -acetyl-hirudin.sub.45-65, FEBS Letters, vol. 211, No. 1, pp. 10-16 (Jan. 1987).
Krstenansky et al., "Anticoagulant Peptides: Nature of the Interaction of the C-Terminal Region of Hirudin with a Noncatalytic Binding Site on Thrombin," J. Med. Chem, vol. 30, No. 9, pp. 1688-1691 (1987).
Dodt et al., "Interaction of Site Specific Hirudin Variants with .alpha.-Thrombin,"FEBS Letters, vol. 229, No. 1, pp. 87-90 (Feb. 1988).
Markwardt, "Pharmacology of Selective Thrombin Inhibitors", Nouv. Rev. Fr. Hematol., vol. 30, pp. 161-165 (1988).
Braun et al., "Use of Site-Directed Mutagenesis to Investigate the Basis for the Specificity of Hirudin," Biochemistry, vol. 27, No. 17, pp. 6517-6522 (1988).
Maraganore et al., "Anticoagulant Activity of Synthetic Hirudin Peptides," Journal of Biological Chemistry, vol. 264, No. 15, pp. 8692-8698 (May 1989).
Degryse et al., "Point Mutations Modifying the Thrombin Inhibition Kinetics and Antithrombotic Activity in vivo, of Recombinant Hirudin," Protein Engineering, vol. 2, No. 6, pp. 459-465 (1989).
Dodt et al., "Distinct Binding Sites of Ala.sup.48 -Hirudin.sup.1-47 and Ala.sup.48 -Hirudin.sup.48-65 on .alpha.-Thrombin," The Journal of Biological Chemistry, vol. 265, No. 2, pp. 713-718 (Jan. 1990).
Chang et al., "The Structural Elements of Hirudin which Bind to the Fibrinogen Recognition Site of Thrombin Are Exclusively Located within its Acidic C-Terminal Tail," FEBS Letters, vol. 261, No. 2, pp. 287-290 (1990).
Dennis et al., "Use of Fragments of Hirudin to Investigate Thrombin-Hirudin Interaction," Eur. J. Biochem., vol. 188, pp. 61-66 (1990).
Stone et al., "Kinetics of the Inhibition of Thrombin by Hirudin," Biochemistry, vol. 25, No. 16, pp. 4622-4628 (1986).
Hanson et al., "Interruption of Acute Platelet-Dependent Thrombosis by the Synthetic Antithrombin D-Phenylalanyl-L-Prolyl-L-Arginyl Chloromethyl Ketone," Proc. Natl. Acad. Sci. USA, vol. 85, pp. 3184-3188 (1988).
DiMaio et al., "Bifunctional Thrombin Inhibitors Based on the Sequence of Hirudin.sup.45-65," The Journal of Biological Chemistry, vol. 265, No. 35, pp. 21698-21703 (Dec. 1990).
DiMaio et al., "A New Class of Potent Thrombin Inhibitors that Incorporates a Scissile Pseudopeptide Bond," The Journal of Biological Chemistry, vol. 282, No. 1, pp. 47-52 (Apr. 1991).
Seemuller et al., "Proteinase Inhibitors of the Leech Hirudo medicinalis (Hirudins, Bdellins, Eglins)." No year given.
Hauptmann et al., "Antiocoagulant and Antithrombotic Action of Novel Specific Inhibitors of Thrombin," pp. 118-123, no year given.
Wallis "Hirudins and the Role of Thrombin: Lessons from Leeches," TIPS, vol. 9, pp. 425-427 (Dec. 1988).
Bode et al., "The Refined 1.9 .ANG. Crystal Structure of Human .alpha.-Thrombin: Interactin with D-Phe-Pro-Arg Chloromethylketone and Significance of the Tyr-Pro-Pro-Trp Insertion Segment," The EMBO Journal, vol. 8, No. 11, pp. 3467-3475 (1989).
Grutter et al., "Crystal Structure of the Thrombin-Hirudin Complex: A Novel Mode of Serine Protease Inhibition," The EMBO Journal, vol. 9, No. 8, pp. 2361-2365 (1990).
Maraganore et al., "Design and Characterization of Hirulogs: A Novel Class of Bivalent Peptide Inhibitors of Thrombin," Biochemistry, vol. 29, No. 30, pp. 7095-7101 (1990).
DiMaio et al., "Design of Bifunctional Thrombin Inhibitors Based on the Sequence of Hirudin.sup.45-65," Peptides 1990, ESCOM, pp. 774-776 (1991).
Cadroy et al., "Selective Inhibition by a Synthetic Hirudin Peptide of Fibrin-Dependent Thrombosis in Baboons," Proc. Natl. Acad. Sci. USA, vol. 88, pp. 1177-1181 (Feb. 1991).
Morison & Boyd, Organic Chemistry, pp. 180-181, 585-586.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Thrombin inhibitors based on the amino acid sequence of hirudin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Thrombin inhibitors based on the amino acid sequence of hirudin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thrombin inhibitors based on the amino acid sequence of hirudin will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1065138

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.