Nutrient medium for maintaining neural cells in injured...

C - Chemistry – Metallurgy – 12 – N

Patent

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C12N 5/00 (2006.01) A61K 9/00 (2006.01) A61K 31/00 (2006.01) A61K 38/02 (2006.01) A61K 38/18 (2006.01) A61K 45/06 (2006.01) A61K 35/12 (2006.01) C12N 5/06 (2006.01) C12N 5/08 (2006.01)

Patent

CA 2462802

A method to improve neural cell viability in brain or spinal cord tissue after brain or spinal cord injury or surgery is provided. This method comprises applying a sterile liquid medium to the brain or spinal cord tissue, wherein the sterile aqueous liquid medium comprises 0 to about 3000 ~M CaCI2, about 0.1 to about 1.2 ~M Fe(NO3)3, about 2500 to about 10000 ~M KCI, 0 to about 4000 ~M MgCI2, about 30000 to about 150000 ~M NaCI, about 100 to about 30000 ~M NaHCO3, about 250 to about 4000 ~M NaH2PO4, about 0.01 to about 0.4 ~M sodium selenite, about 0.2 to about 2 ~M ZnSO4, about 2500 to about 50000 ~M D- glucose, about 1 to about 50 ~M L-carnitine, about 3 to about 80 ~M ethanolamine, about 15 to about 400 ~M D(+)-galactose, about 40 to about 800 ~M putrescine, about 20 to about 500 ~M sodium pyruvate, and growth-promoting essential fatty acids, hormones, amino acids, vitamins and anti-oxidants in amounts effective for neuron growth, and wherein the medium is essentially free of ferrous sulfate, glutamate, and aspartate.

L'invention concerne un procédé permettant d'améliorer la viabilité des cellules nerveuses dans les tissus cérébraux ou les tissus de la moelle épinière en cas de lésion ou de chirurgie du cerveau ou de la moelle épinière. Ce procédé comprend l'application d'un milieu liquide stérile sur le tissu du cerveau ou de la moelle épinière. Ce milieu liquide stérile aqueux comprend de 0 à 3000µM environ de CaCI¿2?, environ de 0,1 à 1,2 µM de Fe(NO¿3?)¿3?, environ de 2500 à 10000 µM de KCI, de 0 à 4000 µM environ de MgCI¿2?, environ de 30000 à 150000 µM de NaCI, environ de 100 à 30000 µM de NaHCO¿3?, environ de 250 à 4000 µM de NaH¿2?PO¿4?, environ de 0,01 à 0,4 µM de sélénite de sodium, environ de 0,2 à 2 µM de ZnSO¿4?, environ de 2500 à 50000 µM de D-glucose, environ de 1 à 50 µM de L-carnitine, environ de 3 à 80 µM d'éthanolamine, environ de 15 à 400 µM de D(+)-galactose, environ de 40 à 800 µM de putrescine, environ de 20 à 500 µM de pyruvate de sodium, ainsi que des acides gras essentiels, des hormones, des acides aminés, des vitamines et des antioxydants promoteurs de croissance en quantités suffisantes pour stimuler la croissance des neurones. Ce milieu est sensiblement exempt de sulfates ferreux, de glutamate et d'aspartate.

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