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Last Updated: March 28, 2024

Claims for Patent: 9,095,569


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Summary for Patent: 9,095,569
Title:Methods of generating and using procollagen
Abstract: A method of promoting wound healing, treating fibrosis and/or promoting angiogenesis is provided. The method comprises administering to a subject in need thereof a therapeutically effective amount of a procollagen, thereby promoting wound healing, treating fibrosis and/or promoting angiogenesis in the subject.
Inventor(s): Shoseyov; Oded (Karmei Yoseef, IL), Dgany; Or (Ashdod, IL), Siegel; Daniel L. (Rechovot, IL)
Assignee: CollPlant Ltd. (Nes Ziona, IL)
Application Number:12/988,326
Patent Claims:1. A method of promoting wound healing, treating fibrosis and/or promoting angiogenesis comprising administering to a subject in need thereof a therapeutically effective amount of a human type I procollagen wherein the .alpha.1 chain of said procollagen comprises the collagen N propeptide having the sequence of the N propeptide of collagen type I al chain as set forth in SEQ ID NO: 15 and wherein the .alpha.2 chain of said procollagen comprises the collagen N propeptide having the sequence of the N propeptide of collagen type I .alpha.2 chain as set forth in SEQ ID NO: 16; wherein the al chain of said procollagen comprises the collagen C propeptide having the sequence of the C propeptide of said collagen type I .alpha.1 chain and wherein the .alpha.2 of said procollagen comprises the collagen C propeptide having the sequence of the C propeptide of said collagen type I .alpha.2 chain, thereby promoting wound healing, treating fibrosis and/or promoting angiogenesis.

2. The method of claim 1, wherein said administering is effected into a tissue area which comprises said wound or a fibrotic tissue.

3. The method of claim 1, wherein said administering is effected prior to fibroblast recruitment to the wound.

4. The method of claim 1, wherein said procollagen is produced in plant cells.

5. The method of claim 1, wherein said procollagen is degradable by collagenase.

6. The method of claim 1, wherein said wound is related to a fibrotic condition selected from the group consisting of systemic or localized scleroderma, liver fibrosis, alcoholic cirrhosis, biliary cirrhosis, hepatitis, veno-occlusive disease, idiopathic interstitial fibrosis, idiopathic pulmonary fibrosis, interstitial pulmonary fibrosis, acute pulmonary fibrosis, acute respiratory distress syndrome, perimuscular fibrosis, pericentral fibrosis, dermatofibroma, kidney fibrosis, diabetic nephropathy, glomerulonephritis, keloids, hypertrophic scars, joint adhesions, arthrosis, myelofibrosis, corneal scaring, cystic fibrosis, muscular fibrosis, Duchenne's muscular dystrophy, esophageal stricture, retroabdominal scaring, Crohn's disease, ulcerative colitis, atherosclerotic alterations, pulmonary hypertension, angiopathy of the arteries and veins, aneurysms of large vessels or are induced or initiated by scar revisions, plastic surgeries, glaucoma, cataract fibrosis, corneal scaring, graft vs. host disease, tendon surgery, nerve entrapment, Dupuytren's contracture, OB/GYN adhesions, pelvic adhesions, peridural fibrosis, diseases of the thyroid gland or the parathyroids, metastatic bone disease, multiple myeloma and restenosis.

7. The method claim 1, wherein said wound is inflicted by diabetes.

8. The method claim 1, wherein said wound is selected from the group consisting of an ulcer, a burn and a surgical wound.

9. The method of claim 1, wherein said procollagen comprises monomeric procollagen.

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