Method for expanding embryonic stem cells in serum-free culture
First Claim
1. A serum-free, eukaryotic cell culture medium supplement comprising one or more ingredients selected from the group consisting of albumins or albumin substitutes, one or more amino acids, one or more vitamins, one or more transferrins or transferrin substitutes, one or more antioxidants, one or more insulins or insulin substitutes, one or more collagen precursors, and one or more trace elements, wherein a basal cell culture medium supplemented with said supplement is capable of supporting the growth of embryonic stem cells in serum-free culture.
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Abstract
The present invention provides a serum-free supplement which supports the growth of embryonic stem cells in culture. Also provided are a medium comprising a basal medium supplemented with the serum-free supplement of the present invention. The present invention also provides methods for culturing and isolating embryonic stems cells, methods for producing a transgenic animal, and methods for expressing recombinant protein in embryonic stem cells and transgenic animals.
49 Citations
88 Claims
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1. A serum-free, eukaryotic cell culture medium supplement comprising one or more ingredients selected from the group consisting of albumins or albumin substitutes, one or more amino acids, one or more vitamins, one or more transferrins or transferrin substitutes, one or more antioxidants, one or more insulins or insulin substitutes, one or more collagen precursors, and one or more trace elements,
wherein a basal cell culture medium supplemented with said supplement is capable of supporting the growth of embryonic stem cells in serum-free culture.
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2. A serum-free, eukaryotic cell culture medium supplement comprising an albumin or an albumin substitute and one or more ingredients selected from group consisting of one or more amino acids, one or more vitamins, one or more transferrins or transferrin substitutes, one or more antioxidants. one or more insulins or insulin substitutes, one or more collagen precursors, and one or more trace elements,
wherein a basal cell culture medium supplemented with said supplement is capable of supporting the growth of embryonic stem cells in serum-free culture.
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20. A serum-free, eukaryotic cell culture medium supplement obtained by combining an albumin or an albumin substitute and one or more ingredients selected from group consisting of one or more amino acids, one or more vitamins, one or more transferrins or transferrin substitutes, one or more antioxidants, one or more insulins or insulin substitutes, one or more collagen precursors, and one or more trace elements,
wherein a basal cell culture medium supplemented with the supplement is capable of supporting the growth of embryonic stem cells in serum-free culture.
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21. A serum-free, eukaryotic cell culture medium supplement comprising AlbuMAX®
- I, glycine, L-histidine, L-isoleucine, L-methionine, L-phenylalanine, L-proline, L-hydroxyproline, L-serine, L-threonine, L-tryptophan, L-tyrosine, L-valine, thiamine, reduced glutathione, L-ascorbic acid-2-phosphate, iron saturated transferrin, insulin, sodium selenite, Ag+, Al3+, Ba2+, Cd2+, Co2+, Cr3+, Ge4+, Se4+, Br−
, I−
, Mn2+, F−
, Si4+, V5+, Mo6+, Ni2+, Rb−
, Sn2+ and Zr4+,wherein a basal cell culture medium supplemented with said supplement is capable of supporting the growth of embryonic stem cells in serum-free culture.
- I, glycine, L-histidine, L-isoleucine, L-methionine, L-phenylalanine, L-proline, L-hydroxyproline, L-serine, L-threonine, L-tryptophan, L-tyrosine, L-valine, thiamine, reduced glutathione, L-ascorbic acid-2-phosphate, iron saturated transferrin, insulin, sodium selenite, Ag+, Al3+, Ba2+, Cd2+, Co2+, Cr3+, Ge4+, Se4+, Br−
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22. A serum-free, eukaryotic cell culture medium supplement obtained by combining water, AlbuMAX®
- I, glycine, L-histidine.HClwater, L-isoleucine, L-methionine, L-phenylalanine, L-proline, L-hydroxyproline, L-serine, L-threonine, L-tryptophan, L-tyrosine, L-valine, thiamine, reduced glutathione, L-ascorbic acid-2-phosphate, iron saturated transferrin, insulin, sodium selenite, a Ag+ salt, an Al3+ salt, a Ba2+ salt, a Cd2+ salt, a Co2+ salt, a Cr3−
salt, a Ge4+ salt, a Se4+ salt, a Br−
salt, an I−
salt, a Mn2+ salt, a F−
salt, a Si4+ salt, a V5+ salt, a Mo6+ salt, a Ni2+ salt, a Rb+ salt, a Sn2+ salt, and a Zr4+ salt,wherein each ingredient is present in an amount which, when added to a basal medium, supports the growth of embryonic stem cells in serum-free culture. - View Dependent Claims (23, 25, 28, 29, 30, 31, 32, 33, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 50, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85)
- I, glycine, L-histidine.HClwater, L-isoleucine, L-methionine, L-phenylalanine, L-proline, L-hydroxyproline, L-serine, L-threonine, L-tryptophan, L-tyrosine, L-valine, thiamine, reduced glutathione, L-ascorbic acid-2-phosphate, iron saturated transferrin, insulin, sodium selenite, a Ag+ salt, an Al3+ salt, a Ba2+ salt, a Cd2+ salt, a Co2+ salt, a Cr3−
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24. A method of making a serum-free, eukaryotic cell culture medium supplement, said method comprising admixing water, AlbuMAX®
- I, glycine, L-histidine, L-isoleucine, L-methionine, L-phenylalanine, L-proline, L-hydroxyproline, L-serine, L-threonine, L-tryptophan, L-tyrosine, L-valine, thiamine, reduced glutathione, L-ascorbic acid-2-phosphate, iron saturated transferrin, insulin, sodium selenite, a Ag+ salt, an Al3+ salt, a Ba2+ salt, a Cd2+ salt, a Co2+ salt, a Cr3+ salt, a Ge4+ salt, a Se4+ salt, a Br−
salt, an I−
salt, a Mn2+ salt, a F−
salt, a Si4+ salt, a V5+ salt, a Mo6+ salt, a Ni2+ salt, a Rb+ salt, a Sn2+ salt, and a Zr4+ salt,wherein each ingredient is present in an amount which, when added to a basal medium, supports the growth of embryonic stem cells in serum-free culture.
- I, glycine, L-histidine, L-isoleucine, L-methionine, L-phenylalanine, L-proline, L-hydroxyproline, L-serine, L-threonine, L-tryptophan, L-tyrosine, L-valine, thiamine, reduced glutathione, L-ascorbic acid-2-phosphate, iron saturated transferrin, insulin, sodium selenite, a Ag+ salt, an Al3+ salt, a Ba2+ salt, a Cd2+ salt, a Co2+ salt, a Cr3+ salt, a Ge4+ salt, a Se4+ salt, a Br−
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43. A composition comprising embryonic stem cells in a serum-free medium, wherein said serum-free medium is capable of supporting the growth of embryonic stem cells in serum-free culture.
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86. A method of producing recombinant protein embryonic stem cells in serum-free culture, said method comprising
(a) obtaining a recombinant embryonic stem cell containing a nucleic acid molecule which encodes a protein of interest; -
(b) culturing said embryonic stem cell in serum free culture to form a population of recombinant embryonic stem cells; and
(c) isolating said protein from said embryonic stem cells or from the medium in which said cells are cultured. - View Dependent Claims (87, 88)
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Specification