LIF1010
Leukemia Inhibitory Factor human
10 µg, human recombinant LIF protein, expressed in E. coli, suitable for stem cell culture
Synonim(y):
Human LIF, Human Leukemia Inhibitory Factor, LIF, hLIF
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About This Item
Kod UNSPSC:
12352202
eCl@ss:
32160405
NACRES:
NA.75
Polecane produkty
pochodzenie biologiczne
human
Poziom jakości
Próba
>95% (HPLC and SDS-PAGE)
Postać
liquid
aktywność właściwa
≥1 x 10(E8) U/mg
producent / nazwa handlowa
Chemicon®
stężenie
10 μg/mL
metody
cell culture | mammalian: suitable
zanieczyszczenia
<0.1 ng/mg Endotoxin (of LIF)
moc wejściowa
sample type neural stem cell(s)
sample type hematopoietic stem cell(s)
sample type mesenchymal stem cell(s)
sample type: human embryonic stem cell(s)
sample type induced pluripotent stem cell(s)
numer dostępu NCBI
numer dostępu UniProt
Warunki transportu
wet ice
informacje o genach
human ... LIF(3976)
Opis ogólny
Human LIF is a 19.7 kDa protein containing 181 amino acid residues. The non-glycosylated, E. coli expressed, recombinant human LIF is indistinguishable from native LIF in its biological activities in vitro. Human and murine mature LIF exhibit a 78% sequence identity at the amino acid control. Human LIF is equally active on both human and mouse cells. Murine LIF is approximately 1000 fold less active on human cells, than hLIF.
Leukemia Inhibitory Factor (LIF) is a lymphoid factor which promotes long-term maintenance of embryonic stem cells by suppressing spontaneous differentiation. LIF has a number of other activities including cholinergic neuron differentiation, control of stem cell pluripotency, bone and fat metabolism, mitogenesis of certain factor dependent cell lines and promotion of megakaryocyte production in vivo.
Product Source: LIF is expressed in E. coli as a fusion protein with GST using the pGEX expression system, cleaved from GST moeity with thrombin and purified by HPLC chromatography.
Zastosowanie
10 µg, human recombinant LIF protein, expressed in E. coli, suitable for stem cell culture
Definicja jednostki
Specific Activity: where 50 units is defined as the amount of human LIF required to induce differentiation in 50% of the M1 colonies in 1 mL agar cultures.
Postać fizyczna
Liquid in PBS, pH 7.4 and 0.02% Tween 20. No preservativies added.
Przechowywanie i stabilność
Maintain at 2-8°C for 6 - 12 months. Further dilutions should be made into buffer or medium to which protein (e.g., 1% BSA) or Tween 20 has been added.
Manufactured by CHEMICON International, Inc. LIF is protected under US Patent nos. 5,443,825, 5,750,654 and 6,261,548, European Patent no. 0285 448 and related foreign patents and is not available for resale.
Manufactured by CHEMICON International, Inc. LIF is protected under US Patent nos. 5,443,825, 5,750,654 and 6,261,548, European Patent no. 0285 448 and related foreign patents and is not available for resale.
Komentarz do analizy
Specific Activity: The activity of human LIF is determined by the ability to induce differentiation of M1 myeloid leukemic cells.The minimum detectable concentration of human LIF in this assay is 0.5 ng/mL
Tested negative in both aseptic and microplasmic tests.
Informacje prawne
CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany
Oświadczenie o zrzeczeniu się odpowiedzialności
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
LABEL LICENSE - USE RESTRICTED TO RESEARCH USE ONLY
Leukemia Inhibitory Factor ("LIF") is protected by US Patents No. 5,443,825 and 5,750,654 and Canada Patent No. 1,341,581 and 1,341,469 owned by AMRAD Corporation Ltd. and licensed exclusively to Millipore for research uses. The use of this product is limited for research uses only and not for any commercial purposes, such as making or developing other research products from this product or use of this product as a component in a research kit. This product is not to be used in humans or for any diagnostic purposes.
The purchaser may refuse to accept the conditions of this label license by returning this product unopened and will receive a full refund of the purchase price paid.
For-profit entities or commercial research entities purchasing this product shall be required to execute a separate commercial license with Millipore within three months of purchase. Researchers may not transfer this product or its derivatives to researchers performing commercial research at other Nonprofit Organizations, or to For-Profit Organizations, without the express written consent of Millipore, and without those entities having an express license from Millipore for the use of the product. Other than as specifically provided herein, a transferee of this product shall have no right to transfer this product, or its derivatives to any other person or entity.
LABEL LICENSE - USE RESTRICTED TO RESEARCH USE ONLY
Leukemia Inhibitory Factor ("LIF") is protected by US Patents No. 5,443,825 and 5,750,654 and Canada Patent No. 1,341,581 and 1,341,469 owned by AMRAD Corporation Ltd. and licensed exclusively to Millipore for research uses. The use of this product is limited for research uses only and not for any commercial purposes, such as making or developing other research products from this product or use of this product as a component in a research kit. This product is not to be used in humans or for any diagnostic purposes.
The purchaser may refuse to accept the conditions of this label license by returning this product unopened and will receive a full refund of the purchase price paid.
For-profit entities or commercial research entities purchasing this product shall be required to execute a separate commercial license with Millipore within three months of purchase. Researchers may not transfer this product or its derivatives to researchers performing commercial research at other Nonprofit Organizations, or to For-Profit Organizations, without the express written consent of Millipore, and without those entities having an express license from Millipore for the use of the product. Other than as specifically provided herein, a transferee of this product shall have no right to transfer this product, or its derivatives to any other person or entity.
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Kod klasy składowania
12 - Non Combustible Liquids
Klasa zagrożenia wodnego (WGK)
nwg
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
Certyfikaty analizy (CoA)
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Produkty
Czynnik hamujący białaczkę (LIF) jest czynnikiem wzrostu komórek macierzystych stosowanym do hodowli in vitro pluripotencjalnych mysich embrionalnych komórek macierzystych (komórek ES).
Zapoznaj się z rodzajami komórek macierzystych, w tym multipotencjalnymi komórkami macierzystymi, pluripotencjalnymi komórkami macierzystymi i iPSC oraz ich zastosowaniami w podstawowych badaniach nad komórkami macierzystymi, terapii komórkami macierzystymi i modelowaniu chorób.
Protokoły
Step-by-step culture protocols for neural stem cell culture including NSC isolation, expansion, differentiation and characterization.
Nasz zespół naukowców ma doświadczenie we wszystkich obszarach badań, w tym w naukach przyrodniczych, materiałoznawstwie, syntezie chemicznej, chromatografii, analityce i wielu innych dziedzinach.
Skontaktuj się z zespołem ds. pomocy technicznej