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Last Updated: September 24, 2020

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Patent: 7,718,426

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Summary for Patent: 7,718,426
Title:Preparation method of a hair dermal papilla cell preparation, composition and method for regenerating hair follicles, and animal having regenerated hair follicles
Abstract: The present invention provides a method for preparing a hair dermal papilla cell preparation comprising preparing a cell suspension by removing epidermal tissue from skin tissue and subjecting the resulting dermal tissue fraction to collagenase treatment, and cyropreserving the cell suspension to kill the follicular epidermal cells. The present invention also provides a composition for regenerating hair follicles comprising hair dermal papilla cell and epidermal cells, wherein the ratio of the number of hair dermal papilla cell to the number of epidermal cells is from 1:10 to 10:1.
Inventor(s): Kishimoto; Jiro (Yokohama, JP), Ehama; Ritsuko (Yokohama, JP), Ideta; Ritsuro (Yokohama, JP), Arai; Takayuki (Yokohama, JP), Yano; Kiichiro (Yokohama, JP), Soma; Tsutomu (Yokohama, JP)
Assignee: Shiseido Company, Ltd. (Tokyo, JP)
Application Number:10/574,697
Patent Claims:see list of patent claims

Details for Patent 7,718,426

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Smith And Nephew SANTYL collagenase OINTMENT;TOPICAL 101995 001 1965-06-04   Start Trial Shiseido Company, Ltd. (Tokyo, JP) 2023-10-06 RX search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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