Caudal motor neuron derived from embryonic stem cells under conditions essentially free of any retinoid
First Claim
1. A method for producing a caudal brachial motor neuron from an embryonic stem cell, comprisinga) culturing the embryonic stem cell in a composition essentially free of any retinoid and comprising Advanced Dulbecco'"'"'s Modified Eagle'"'"'s Medium/F12 and Neurobasal medium that has been supplemented with 10% Knockout-Serum Replacement (ADFNK medium) wherein the amount of the composition is effective to generate the caudal brachial motor neuron under conditions such that the caudal brachial motor neuron is produced, andb) recovering the caudal brachial motor neuron so produced.
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Abstract
Disclosed are methods for generating a neuron expressing Hoxc8 transcription factor or a caudal motor neuron comprising culturing an embryonic stem cell in a composition which is essentially free of retinoids and comprises an isotonic salt solution, so as to generate the neuron which expresses Hoxc8 transcription factor or the caudal motor neuron. Disclosed are also methods for generating a caudal brachial motor neuron, a thoracic motor neuron, or a lumbar motor neuron from an embryonic stem cell in a composition essentially free of retinoids and comprising ADFNK medium, an amount of FGF-2, or Gdf11 respectively. Disclosed are also methods of transplanting a motor neuron into a subject comprising generating the motor neuron and transplanting the motor neuron into the subject. Disclosed is also a population of motor neuron cells enriched for motor neuron cells expressing Foxp1 and expressing a gene associated with Spinal Muscular Atrophy (SMA) or Amyotrophic Lateral Sclerosis (ALS).
35 Citations
18 Claims
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1. A method for producing a caudal brachial motor neuron from an embryonic stem cell, comprising
a) culturing the embryonic stem cell in a composition essentially free of any retinoid and comprising Advanced Dulbecco'"'"'s Modified Eagle'"'"'s Medium/F12 and Neurobasal medium that has been supplemented with 10% Knockout-Serum Replacement (ADFNK medium) wherein the amount of the composition is effective to generate the caudal brachial motor neuron under conditions such that the caudal brachial motor neuron is produced, and b) recovering the caudal brachial motor neuron so produced.
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8. A method for producing a caudal motor neuron comprising
a) culturing an embryonic stem cell in a serum-free neural induction composition which is essentially free of any retinoid and comprises an isotonic salt solution, wherein the amount of the composition is effective to generate the caudal motor neuron under condition such that the caudal motor neuron is produced, and b) recovering the caudal motor neuron so produced.
Specification