IP Library Granted Patent US 11,692,172
Granted Patent B2
US 11,692,172 · App. 16/018,055 · Granted Jul 4, 2023

Formulation comprising extracellular vesicles, method for producing the same, and uses thereof

Inventors: Kuen-Der Yang (Taichung, TW); Yeou-Ping Tsao (Taipei, TW); Chie-Pein Chen (Taipei, TW)
Assignee: MACKAY MEMORIAL HOSPTAL
C12N5/0665A61K9/50A61K9/5068A61K31/713A61K35/28A61K38/179A61K41/10A61K41/17C12N5/0605C12N15/111C12N15/113A61P9/00A61P29/00A61P35/00C12N2310/141C12N2320/32C12N2500/02C12N2500/30C12N2501/65
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Quick Facts
Patent No.
US 11,692,172
App. No.
16/018,055
Granted
Jul 4, 2023
Kind
B2
Abstract

Disclosed herein is a formulation comprising an extracellular vesicle (EV), and a therapeutic active agent induced or embedded in the EV. According to preferred embodiments of the present disclosure, the EV is isolated from umbilical cord mesenchymal stem cells, and the active agent may be a growth factor, an immune-modulating agent, a small molecule, an siRNA, cDNA or a plant ingredient; for example, curcumin. Also disclosed herein are methods for producing the present formulation, and uses of the present formulation in the treatment of various diseases.

Claims (8)

1. A method of treating a degenerative disease in a subject, comprising administering to the subject an effective amount of a formulation including an extracellular vesicle (EV) derived from a mesenchymal stem cell and curcumin encapsulated in the EV, wherein the mesenchymal stem cell is isolated from Wharton jelly of umbilical cord, and is CD29 + , CD34 − , CD44 + and CD73 + , and wherein the formulation is prepared by:

(a-2) culturing the mesenchymal stem cell in the presence of aspirin;

(b-2) culturing the mesenchymal stem cell obtained in step (a-2) under 1% to 5% O 2 and in serum free medium;

(c-2) isolating the EV from the cultured mesenchymal stem cell obtained in step (b-2); and

(d-2) encapsulating the curcumin in the isolated EV obtained in step (c-2).

2. The method of claim 1 , wherein the formulation is administered to the subject via a route selected from the group consisting of topical, intraconjunctival, intranasal, intratracheal, oral, intraspinal, intravenous, intraarterial, intramuscular, subcutaneous, intraarticular, intraventrical, intracerebroventricular, intraperitoneal injection and intra-middle ear administration.

3. The method of claim 1 , wherein the subject is a human.

4. The method of claim 1 , wherein the degenerative disease is Parkinson's disease, Alzheimer's disease, dementia, stroke, chronic kidney disease, chronic lung disease, or hearing loss.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 18, 2018
From: YANG, KUEN-DER; TSAO, YEOU-PING; CHEN, CHIE-PEIN
To: MACKAY MEMORIAL HOSPITAL
Reel/Frame 046376/0228 →
Continuity (2)
Provisional Application 62524624 · Jun 26, 2017
Related Publication 20180371418A1 · Dec 27, 2018