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LIFR cell lysate

Human LIFR HEK293 Overexpression Lysate

Gene Names
LIFR; SWS; SJS2; STWS; CD118; LIF-R
Applications
Western Blot
Synonyms
LIFR; Human LIFR HEK293 Overexpression Lysate; Human LIFR/CD118 HEK293 Cell Lysate (WB positive control); leukemia inhibitory factor receptor alpha; Human CD118 Overexpression Lysate; Human LIF-R Overexpression Lysate; Human SJS2 Overexpression Lysate; Human STWS Overexpression Lysate; Human SWS Overexpression Lysate; LIFR cell lysate
Ordering
For Research Use Only!
Host
HEK293 Cells
Form/Format
1x Sample Buffer (1x modified RIPA buffer+1x SDS loading buffer).
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Sequence Positions
800aa
Sequence
Met1-Ser833
Applicable Applications for LIFR cell lysate
Western Blot (WB)
Application Notes
WB: Use at an assay dependent dilution.
Species
Human
Recommend Usage
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.2. Re-dissolve the pellet using 200uL pure water and boil for 2-5 min.
Sequence Construction
A DNA sequence encoding the extracellular domain of human LIFR (NP_001121143.1) (Met 1-Ser 833) with a C-terminal polyhistidine tag was expressed.
Preparation Method
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors. Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Preparation and Storage
Store at 4 degree C for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80 degree C for up to twelve months. Avoid repeated freeze-thaw cycles.
Samples are stable for up to twelve months from date of receipt.
Related Product Information for LIFR cell lysate
LIFR (leukemia inhibitory factor receptor) belongs to the family of cytokine receptors. LIFR forms a high-affinity receptor complex with gp130, which mediates the activity of LIF (leukemia inhibitory factor) and thus affects the differentiation, proliferation, and survival of a wide variety of cells in the adult and the embryo. Besides LIF, LIFR can also bind to and activate CNTF (ciliary neurotrophic factor) and CLC (Cardiotrophin Like Cytokine). Evidence showed that in the retina, LIFR activating LIF, CT-1, and Cardiotrophin Like Cytokine (CLC) are strongly upregulated in response to preconditioning with bright cyclic light leading to robust activation of signal transducer and activator of transcription-3 (STAT3) in a time-dependent manner. Further, blocking LIFR activation during preconditioning using a LIFR antagonist (LIF05) attenuated the induced STAT3 activation and also resulted in reduced preconditioning-induced protection of the retinal photoreceptors. These data demonstrate that LIFR and its ligands play an essential role in endogenous neuroprotective mechanisms triggered by preconditioning-induced stress. LIFR was newly found to be a suppressor of hepatocellular carcinoma (HCC), one of the world's top five causes of cancer-related deaths.

This Human LIFR overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of LIFR protein from the overexpression lysate was verified.
References
Gearing, D.P. et al., 1991, EMBO J. 10 (10): 2839-2848. Gearing, D.P. et al., 1992, New Biol. 4 (1): 61-65. Mosley, B. et al., 1996, J. Biol. Chem. 271 (51): 32635-32643. Timmermann, A. et al., 2002, Eur. J. Biochem. 269 (11): 2716-2726. Lass, A. et al., 2002, Fertil. Steril. 76 (6): 1091-1096.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
123,743 Da
NCBI Official Full Name
leukemia inhibitory factor receptor
NCBI Official Synonym Full Names
leukemia inhibitory factor receptor alpha
NCBI Official Symbol
LIFR
NCBI Official Synonym Symbols
SWS; SJS2; STWS; CD118; LIF-R
NCBI Protein Information
leukemia inhibitory factor receptor; LIF receptor; CD118 antigen
UniProt Protein Name
Leukemia inhibitory factor receptor
UniProt Gene Name
LIFR
UniProt Synonym Gene Names
LIF receptor; LIF-R
UniProt Entry Name
LIFR_HUMAN

NCBI Description

This gene encodes a protein that belongs to the type I cytokine receptor family. This protein combines with a high-affinity converter subunit, gp130, to form a receptor complex that mediates the action of the leukemia inhibitory factor, a polyfunctional cytokine that is involved in cellular differentiation, proliferation and survival in the adult and the embryo. Mutations in this gene cause Schwartz-Jampel syndrome type 2, a disease belonging to the group of the bent-bone dysplasias. A translocation that involves the promoter of this gene, t(5;8)(p13;q12) with the pleiomorphic adenoma gene 1, is associated with salivary gland pleiomorphic adenoma, a common type of benign epithelial tumor of the salivary gland. Multiple splice variants encoding the same protein have been found for this gene. [provided by RefSeq, Jul 2008]

Uniprot Description

LIFR: Signal-transducing molecule. May have a common pathway with IL6ST. The soluble form inhibits the biological activity of LIF by blocking its binding to receptors on target cells. Defects in LIFR are the cause of Stueve-Wiedemann syndrome (SWS); also knowns as Schwartz-Jampel syndrome type 2 (SJS2). SWS is a severe autosomal recessive condition and belongs to the group of the bent-bone dysplasias. SWS is characterized by bowing of the lower limbs, with internal cortical thickening, wide metaphyses with abnormal trabecular pattern, and camptodactyly. Additional features include feeding and swallowing difficulties, as well as respiratory distress and hyperthermic episodes, which cause death in the first months of life. The rare survivors develop progressive scoliosis, spontaneous fractures, bowing of the lower limbs, with prominent joints and dysautonomia symptoms, including temperature instability, absent corneal and patellar reflexes, and smooth tongue. A chromosomal aberration involving LIFR is found in salivary gland pleiomorphic adenomas, the most common benign epithelial tumors of the salivary gland. Translocation t(5;8)(p13;q12) with PLAG1. Belongs to the type I cytokine receptor family. Type 2 subfamily. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Membrane protein, integral; Receptor, cytokine

Chromosomal Location of Human Ortholog: 5p13-p12

Cellular Component: integral to plasma membrane; receptor complex

Molecular Function: oncostatin-M receptor activity; leukemia inhibitory factor receptor activity; growth factor binding; ciliary neurotrophic factor receptor activity; ciliary neurotrophic factor receptor binding

Biological Process: cell surface receptor linked signal transduction; response to cytokine stimulus; leukemia inhibitory factor signaling pathway; cytokine and chemokine mediated signaling pathway; positive regulation of cell proliferation

Disease: Stuve-wiedemann Syndrome

Research Articles on LIFR

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Product Notes

The LIFR lifr (Catalog #AAA8114001) is a Cell Lysate produced from HEK293 Cells and is intended for research purposes only. The product is available for immediate purchase. The immunogen sequence is 800aa. AAA Biotech's LIFR can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). WB: Use at an assay dependent dilution. Researchers should empirically determine the suitability of the LIFR lifr for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: Met1-Ser83 3. It is sometimes possible for the material contained within the vial of "LIFR, Cell Lysate" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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