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Recombinant Rat TNF-alpha Protein

品牌：翌圣生物
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供應商報價：面議

翌圣生物科技(上海)股份有限公司更新時間：2024-12-24 09:03:45

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同類產品TNF-alphaTNF-α(8件)

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詳細介紹

Tumor necrosis factor alpha (TNF-α), also known as cachectin, is a cachectin, is a polypeptide cytokine produced by monocytes and macrophages. TNFα receptor signaling can simultaneously activate caspase 8, the transcription factor, NF-κB and the kinase, JNK. Human TNF-α shares 97% aa sequence identity with rhesus and 71%-92% with bovine, canine, cotton rat, equine, feline, mouse, porcine, and rat TNF-α. TNF-α occurs as a secreted, soluble form and as a membrane-anchored form, both of which are biologically active. Inflammation is associated with insulin resistance, and TNF-α and IL-6 may affect glucose uptake. A wide variety of evidence has pointed to a critical role of TNF-α in tumour proliferation, migration, invasion and angiogenesis.

Product Properties

Synonyms	Tumor Necrosis Factor, TNFA, TNFSF2, Cachectin, Cytotoxin, Differentiation-inducing factor, DIF
Accession	P16599
GeneID	24835
Source	E.coli-derived rat TNF-α/TNFSF2 protein, Leu80-Leu235.
Molecular Weight	Approximately 17.2 kDa.
AA Sequence	LRSSSQNSSD KPVAHVVANH QAEEQLEWLS QRANALLANG MDLKDNQLVV PADGLYLIYS QVLFKGQGCP DYVLLTHTVS RFAISYQEKV SLLSAIKSPC PKDTPEGAEL KPWYEPMYLG GVFQLEKGDL LSAEVNLPKY LDITESGQVY FGVIAL
Tag	None
Physical Appearance	Sterile Filtered White lyophilized (freeze-dried) powder.
Purity	> 98% by SDS-PAGE and HPLC analyses.
Biological Activity	The ED₅₀ as determined by a cytotoxicity assay using murine L929 cells is less than 0.05 ng/mL, corresponding to a specific activity of > 2.0 × 10⁷ IU/mg in the presence of actinomycin D. Fully biologically active when compared to standard.
Endotoxin	< 1.0 EU per 1μg of the protein by the LAL method.
Formulation	Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.2, 150 mM NaCl.
Reconstitution	We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions.