LIF Overexpression Lysate

Novus Biologicals | Catalog # NBP2-04224

Novus Biologicals
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Key Product Details

Species

Human

Applications

Western Blot

Product Summary for LIF Overexpression Lysate

LIF Transient Overexpression Lysate


Expression Host: HEK293T

Plasmid: RC210818

Accession#: NM_002309

Protein Tag: C-MYC/DDK

You will receive 1 vial of lysate (100ug), 1 vial of empty vector negative control (100ug), and 1 vial of 2xSDS sample buffer (250ul). Each vial of cell lysate contains 100ug of total protein (at 1 mg/ml). The 2xSDS Sample Buffer consists of 4% SDS, 125mM Tris-HCl pH6.8, 10% Glycerol, 0.002% Bromophenol blue, 100mM DTT.

Product Specifications

Application Notes

This product is intended for use as a positive control in Western Blot. Overexpression of the target protein was confirmed using an antibody to DDK (FLAG) epitope tag (NBP1-71705) present on the protein construct.

Each vial of cell lysate contains 100ug of total protein which should be sufficient for 20-50 reactions. Depending on over-expression level, antibody affinity and detection system, some lysates can go as low as 0.1 ug per load. We recommend starting with 5ug of cell lysate. Add an equal amount of cell lysate and 2X SDS Sample buffer and boil the SDS samples for 10 minutes before loading.

Theoretical MW

19.7 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Type

Overexpression

Scientific Data Images for LIF Overexpression Lysate

Western Blot: LIF Overexpression Lysate [NBP2-04224]

Western Blot: LIF Overexpression Lysate [NBP2-04224]

Western Blot: LIF Overexpression Lysate (Adult Normal) [NBP2-04224] Left-Empty vector transfected control cell lysate (HEK293 cell lysate); Right -Over-expression Lysate for LIF.

Formulation, Preparation, and Storage

Formulation

RIPA buffer

Concentration

The exact concentration of the protein of interest cannot be determined for overexpression lysates. Please contact technical support for more information.

Shipping

The product is shipped with dry ice or equivalent. Upon receipt, store it immediately at the temperature recommended below.

Storage

Store at -80C. Avoid freeze-thaw cycles.

Background: LIF

LIF (leukemia inhibitory factor, myeloid leukemia inhibitory factor) a pleiotropic lymphoid factor was initially described as a factor that inhibits the proliferation of myeloid leukemia cells and induces their differentiation into macrophages. Other activities of LIF include inhibition of adipogenesis, cholinergic neuron differentiation and bone metabolism. Human and mouse LIF share 78% homology and activities of LIF are not species-specific. Human LIF is active on mouse cells, but murine LIF is not active on human cells. Benefits of NovActive® Proteins
Fully Active
-Fully folded naturally by eukaryotic source
-Comparable for eukaryotic glycosylation
BioRisk Free
-animal-free
-serum-free
-endotoxin-free
-infection reagent-free
-low in proteolyic activity
-low in pyrogenic and pro-inflammatory activity
Just reconstitute and add to your cell culture.
Have FDA G.R.A.S. (generally recognized as safe) approval.
Advantages of barley endosperm Folding -Proficient protein machinery, with eukaryotic folding, allows for native formation of the protein and long term protection and storage. Environment -A biochemically inert environment, void of endotoxins, low protease activity and secondary metabolite content, and a simple protein profile, aid in downstream processing in barley. FDA G.R.A.S status -Barley is recognized by the FDA as having G.R.A.S (generally recognized as safe) status.

Long Name

Leukemia Inhibitory Factor

Alternate Names

D Factor, Emfilermin, HILDA, MLPLI

Gene Symbol

LIF

Additional LIF Products

Product Documents for LIF Overexpression Lysate

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Product Specific Notices for LIF Overexpression Lysate

HEK293T cells in 10-cm dishes were transiently transfected with a non-lipid polymer transfection reagent specially designed and manufactured for large volume DNA transfection. Transfected cells were cultured for 48hrs before collection. The cells were lysed in modified RIPA buffer (25mM Tris-HCl pH7.6, 150mM NaCl, 1% NP-40, 1mM EDTA, 1xProteinase inhibitor cocktail mix, 1mM PMSF and 1mM Na3VO4, and then centrifuged to clarify the lysate. Protein concentration was measured by BCA protein assay kit.

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Lysates are guaranteed for 6 months from date of receipt.

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