(12) United States Patent (10) Patent No.: US 7,504,381 B2 Mor Et Al
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USOO7504381 B2 (12) United States Patent (10) Patent No.: US 7,504,381 B2 Mor et al. (45) Date of Patent: Mar. 17, 2009 (54) ANTIMICROBIAL AGENTS Tossi et al. "Amphipathic, Alpha-Helical Antimicrobial Peptides'. Biopolymers, 55(1): 4-30, 2000. Abstract, Table 1, p. 7-8, Table II, p. (75) Inventors: Amram Mor, Haifa (IL); Inna 13. Radzishevsky, Haifa (IL) Huang "Peptide-Lipid Interactions and Mechanisms of Antimicro bial Peptides”, Novartis Found Symposium, 225: 188-200, 1999. (73) Assignee: Technion Research & Development Discussion 200-206. Epand et al. “Mechanisms for the Modulation of Membrane Bilayer Foundation Ltd., Haifa (IL) Properties by Amphipathic Helical Peptides'. Biopolymers, 37(5): 319-338, 1995. Abstract. (*) Notice: Subject to any disclaimer, the term of this Ono et al. “Design and Synthesis of Basic Peptides Having patent is extended or adjusted under 35 Amphipathic Beta-Structure and Their Interaction With U.S.C. 154(b) by 153 days. Phospholipid Membranes'. Biochimica et Biophysica Acta (BBA) Biomembranes, 1022(2): 237-244, 1990. Abstract. (21) Appl. No.: 11/234,183 Aarbiou et al. “Human Neutrophil Defensins Induce Lung Epithelial Cell Proliferation. In Vitro”, Journal of Leukocyte Biology, 72: 167 (22) Filed: Sep. 26, 2005 174, 2002. Acar “Consequences of Bacterial Resistance to Antibiotics in Medi (65) Prior Publication Data cal Practice'. Clinical Infectious Diseases, 24(Suppl. 1): S17-S18. 1997. US 2006/OO74O21 A1 Apr. 6, 2006 Alan et al. “Expression of A Magainin-Type Antimicrobial Peptide Gene (MSI-99) in Tomato Enhances Resistance to Bacterial Speck Related U.S. Application Data Disease'. Plant Cell Reports, 22:388-396, 2004. (60) Provisional application No. 60/612,778, filed on Sep. National Nosocomial Infections Surveillance “National Nosocomial Infections Surveillance (NNIS) Report, Data Summary From Oct. 27, 2004. 1986-Apr. 1996, Isued May 1996. A Report From the National Nosocomial Infections Surveillance (NNIS) System', AJIC, Ameri (51) Int. Cl. can Journal of Infection Control, 24:380-388, 1996. A6 IK 38/08 (2006.01) National Nosocomial Infections Surveillance “National Nosocomial A6 IK 38/10 (2006.01) Infections Surveillance (NNIS) System Report, Data Summary From C07K 7/06 (2006.01) Jan. 1990-May 1999, Issued Jun. 1999', AJIC, American Journal of C07K 7/08 (2006.01) Infection Control, 27: 520-532, 1999. (52) U.S. Cl. ............................. 514/14: 514/15: 514/16; Ammar et al. “Dermaseptin, A Peptide Antibiotic, Stimulates 530/326; 530/327: 530/329; 530/332 Microbicidal Activities of Polymorphonuclear Leukocytes'. Bio (58) Field of Classification Search ........... ... None chemical and Biophysical Research Communications, 247: 870-875, See application file for complete search history. 1998. Andreau et al. "Animal Antimicrobial Peptides: An Overview”. (56) References Cited Biopolymers, 47: 415-433, 1998. Appendini et al. "Antimicrobial Activity of A 14-Residue Synthetic U.S. PATENT DOCUMENTS Peptide Against Foodborne Microorganisms”, Journal of Food Pro tection, 63(7): 889-893, 2000. 5,965,525 A * 10/1999 Burkhardt et al. ............. 514/11 Avrahami et al. “Conjugation of a Magainin Analogue With 6,127,337 A * 10/2000 Konishi et al. ....... Lipophilic Acids Controls Hydrophobicity, Solution Assembly, and 6,548,048 B1 * 4/2003 Cuthbertson et al. ....... 424,952 Cell Selectivity”. Biochemistry, 41: 2254-2263, 2002. 6,566,324 B2 5, 2003 Nadel et al. 6,571,790 B1 6, 2003 Weinstein (Continued) 6,637,430 B1 10/2003 Voges et al. 6,652,323 B2 11/2003 Yanda Primary Examiner Jeffrey E. Russel 2003/0036628 A1 2/2003 Zhelva et al. ............... 530/327 2003/0171539 A1* 9/2003 Quentin et al. .............. 530,329 (57) ABSTRACT 2005/01 18678 A1* 6/2005 Mayo ........................ 435/69.1 A novel class of antimicrobial polymeric agents, which FOREIGN PATENT DOCUMENTS include a plurality of amino acid residues, such as positively WO WO98, 185O1 A2 * 5, 1998 charged amino acid residues, and at least one hydrophobic WO WO98,25953 6, 1998 residue linking there between. Such as an omega-amino-fatty WO WOO3,035677 1, 2003 acid residue designed to exert antimicrobial activity while being stable, non-toxic and avoiding development of resis tance thereto and a process of preparing same are disclosed. OTHER PUBLICATIONS Further disclosed are pharmaceutical compositions contain Doyle et al. Synthesis of Potential Anti-HIV GP120 Inhibitors. Using ing same and a method of treating medical conditions asso A Lysine Template. Journal of Enzyme Inhibition and Medicinal ciated with pathological microorganisms, a medical device, Chemistry, 2002, vol. 17, No. 3, pp. 175-182.* an imaging probe and a food preservative utilizing same. Stark et al. “Cationic Hydrophobic Peptides With Antimicrobial Further disclosed are conjugates of an amino acid residue and Activity”. Antimicrobial Agents and Chemotherapy, 46(11): 3585 a hydrophobic moiety residue and a process of preparing 3590, 2002. Abstract, Table 2, p. 3587, p. 3586, Lines 17-22. Haynie et al. "Antimicrobial Activities of Amphiphilic Peptides SaC. Covalently Bonded to A Water-Insoluble Resin'. Antimicrobial Agents and Chemotherapy, 39(2): 301-307, 1995. Abstract, Table 1. 6 Claims, 8 Drawing Sheets p. 303. (8 of 8 Drawing Sheet(s) Filed in Color) US 7,504,381 B2 Page 2 OTHER PUBLICATIONS Devine et al. “Cationic Peptides: Distribution and Mechanisms of Resistance'. Current Pharmaceutical Design, 8: 703-714, 2002. 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