# US 2014/0194344 A1 · Fusion peptide designed to reduce plaque bacteria and yeast in the oral cavity

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- Number: US 2014/0194344 A1
- Document ID: US20140194344A1
- Status: Published application
- Kind: A1
- Application number: 14/113,245
- Filed: 2012-04-23
- Published: 2014-07-10
- Earliest claimed: 2011-04-22
- Assignees: Rutgers, The State University of New Jersey
- Inventors: Daniel H. Fine; Kabilan Velliyagounder
- Web page: https://patentgrep.com/patent/US20140194344A1

## CPC

- A61K 38/16: Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof {(enzyme inhibitors A61K38/005)}
- A23L 33/18: Peptides; Protein hydrolysates
- A61K 45/06: Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
- A61P 31/04: Antibacterial agents
- C07K 14/001: {by chemical synthesis}
- C07K 14/21: from Pseudomonadaceae (F)
- C07K 14/79: Transferrins, e.g. lactoferrins, ovotransferrins
- A61K 38/00: Medicinal preparations containing peptides (peptides containing beta-lactam rings A61K31/00; cyclic dipeptides not having in their molecule any other peptide link than those which form their ring, e.g. piperazine-2,5-diones, A61K31/00; ergot alkaloids of the cyclic peptide type A61K31/48; containing macromolecular compounds having statistically distributed amino acid units A61K31/74; medicinal preparations containing antigens or antibodies A61K39/00; medicinal preparations characterised by the non-active ingredients, e.g. peptides as drug carriers, A61K47/00)
- C07K 2319/00: Fusion polypeptide
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A23L: FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF (preservation thereof A23B)
- A61P: SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- C07K: PEPTIDES (peptides in foodstuffs A23; obtaining protein compositions for foodstuffs, working-up proteins for foodstuffs A23J; preparations for medicinal purposes A61K; peptides containing beta-lactam rings C07D; cyclic dipeptides not having in their molecule any other peptide link than those which form their ring, e.g. piperazine-2,5-diones, C07D; ergot alkaloids of the cyclic peptide type C07D519/02; macromolecular compounds having statistically distributed amino acid units in their molecules, i.e. when the preparation does not provide for a specific; but for a random sequence of the amino acid units, homopolyamides and block copolyamides derived from amino acids C08G69/00; macromolecular products derived from proteins C08H1/00; preparation of glue or gelatine C09H; single cell proteins, enzymes C12N; genetic engineering processes for obtaining peptides C12N15/00; compositions for measuring or testing processes involving enzymes C12Q; investigation or analysis of biological material G01N33/00)

## Abstract

The present invention relates generally to dental diseases, caries and periodontal disease. More specifically, the invention relates to Lactoferrin and PAK fusion peptides (PAK-LF), along with therapeutic, diagnostic and research uses for these polypeptides. The present invention also provides methods of treating dental diseases, caries and periodontal disease.

## Claims

### Claim 1

A composition for inhibiting bacterial growth in the oral cavity comprising a fusion peptide comprising:
i. a lysine form of a Lactoferrin polypeptide or a functionally equivalent peptide molecule thereof; and
ii. a PAK polypeptide or a functionally equivalent peptide molecule thereof.

### Claim 2

(canceled)

### Claim 3 (depends on 1)

The composition of claim 1, wherein the composition further comprises a pharmaceutically acceptable excipient.

### Claim 4 (depends on 1)

The composition of claim 1, wherein the composition further comprises a surfactant, or a surfactant-like molecule.

### Claim 5 (depends on 4)

The composition of claim 4, wherein the surfactant is sodium butyl sulfate.

### Claim 6 (depends on 5)

The composition of claim 5, wherein the sodium lauryl sulfate is present in an effective amount to allow the composition to penetrate biofilm.

### Claim 7 (depends on 1)

The composition of claim 1, wherein the fusion peptide further comprises an additional polypeptide sequence.

### Claim 8 (depends on 3)

The composition of claim 3, wherein the composition is a dosage form selected from the group consisting of a food, a food additive, dentifrices, gels, toothpaste, mouthwash, aerosol spray, pump spray, dental floss, denture wash, demure adhesives, chewing gum, candy, chewable tablets and solution.

### Claim 9 (depends on 1)

The composition of claim 1, further comprising an antibacterial agent, an antimicrobial agent, an antifungal agent, anti-candidal agent, or a combination thereof.

### Claim 10 (depends on 1)

A method for inhibiting bacteria and/or yeast in the oral cavity comprising administering an effective amount of the composition of claim 1
ii. to a patient in need thereof.

### Claim at position 11

-15. (canceled)

### Claim 16 (depends on 10)

The method of claim 10, wherein the composition further comprises a pharmaceutically acceptable excipient.

### Claim 17 (depends on 10)

The method of claim 10, wherein the composition further comprises a surfactant, or a surfactant-like molecule.

### Claim 18 (depends on 17)

The method of claim 17, wherein the surfactant is sodium lauryl sulfate.

### Claim 19 (depends on 18)

The method of claim 18, wherein the sodium lauryl sulfate is in an effective amount to allow the composition to penetrate bio film.

### Claim 20 (depends on 10)

The method of claim 10, wherein the composition is administered via a dosage form selected from the group consisting of a food, a food additive, dentifrices, gels, toothpaste, mouthwash, dental floss, denture wash, denture adhesives, chewing gum, candy, chewable tablets and solution.

### Claim 21 (depends on 10)

The method of claim 10, wherein the composition further comprises an antibacterial agent, an antimicrobial agent, antifungal agent, anti-candidal agent, or a combination thereof.

### Claim 22 (depends on 10)

The method of claim 10, wherein the fusion peptide is linked to an additional polypeptide sequence.

### Claim 23 (depends on 24)

A composition for inhibiting bacterial growth in the oral cavity comprising the fusion peptide of claim 24.

### Claim 24

A fusion peptide having SEQ ID NO. 5, or a functionally equivalent peptide molecule thereof.

### Claim 25

A nucleic acid encoding an amino acid comprising SEQ ID NO. 5.

### Claim at position 22

-27. (canceled)

### Claim 28 (depends on 1)

The composition of claim 1, further comprising a statherin polypeptide comprising SEQ ID NO: 2.

### Claim 29 (depends on 1)

The composition of claim 1, further comprising a STAT-LF fusion peptide comprising:
i. a lysine form of a Lactoferrin polypeptide or a functionally equivalent peptide molecule thereof; and
ii. a Statherin polypeptide or a functionally equivalent peptide molecule thereof.

### Claim 30 (depends on 29)

The composition of claim 29, wherein the STAT-LF fusion peptide comprises SEQ ID NO: 3.

### Claim 31 (depends on 1)

The composition of claim 1, wherein the PAK polypeptide comprises a fragment of SEQ ID NO: 6.

### Claim 32 (depends on 31)

The composition of claim 31, wherein the PAK polypeptide comprises at least 17 amino acids.

### Claim at position 28

-36. (canceled)
