CULTURE METHOD TO OBTAIN AND MAINTAIN A PURE OR ENRICHED POPULATION OF MAMMALIAN NEURAL STEM CELLS AND/OR NEURAL PROGENITOR CELLS THAT ARE PRONE TO DIFFERENTIATE INTO OLIGODENDROCYTE-LINEAGE CELLS IN VITRO

An isolated expandable human neural stem or progenitor cell wherein the cell is a progenitor cells or stem cell, maintains its capability to differentiate into neurons, astrocytes, and oligodendrocytes, maintains its ability to differentiate into oligodendrocyte lineage cells efficiently throughout...

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Bibliographic Details
Main Author KIDO, TSUNEO
Format Patent
LanguageEnglish
French
Published 18.05.2021
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Summary:An isolated expandable human neural stem or progenitor cell wherein the cell is a progenitor cells or stem cell, maintains its capability to differentiate into neurons, astrocytes, and oligodendrocytes, maintains its ability to differentiate into oligodendrocyte lineage cells efficiently throughout subsequent passages, and the cell expresses at least cell surface antigens CD133 and CD140a. Also provided is a method of in vitro culturing an expandable neural progenitor or stem cell isolated from a mammalian central nervous system, and the culture itself, wherein said cell maintains its capability to differentiate into neurons, astrocytes, and oligodendrocytes and its ability to differentiate into oligodendrocyte-lineage cells efficiently. In addition, a method of treating a condition caused by a loss of myelin or a loss of oligodendrocytes is provided as is a composition comprising an isolated expandable neural stem cell or one cultured by the methods of the invention. L'invention concerne une cellule progénitrice ou souche neurale humaine, pouvant se multiplier, isolée, la cellule étant une cellule progénitrice ou une cellule souche, qui conserve sa capacité à se différencier en neurones, astrocytes et oligodendrocytes, conserve sa capacité à se différencier efficacement en cellules de lignée oligodendrocytique au cours des passages ultérieurs, et la cellule exprime au moins les antigènes de surface cellulaire CD133 et CD140a. L'invention concerne également un procédé de culture in vitro d'une cellule souche ou progénitrice neurale, pouvant se multiplier, isolée à partir d'un système nerveux central de mammifère, et la culture elle-même, ladite cellule conservant sa capacité à se différencier en neurones, astrocytes et oligodendrocytes et sa capacité à se différencier efficacement en des cellules de lignée oligodendrocytique. De plus, l'invention concerne une méthode de traitement d'un état provoqué par une perte de myéline ou une perte d'oligodendrocytes, ainsi qu'une composition comprenant une cellule souche neurale, pouvant se multiplier, isolée, ou une cellule mise en culture selon les procédés de l'invention.
Bibliography:Application Number: CA20122821065