SRP3151

Sigma-Aldrich

SCF human

Animal-component free, recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture

Synonym(s):
Steel Factor, c-Kit Ligand, Mast Cell Growth Factor (MGF), Stem Cell Factor
NACRES:
NA.32
Pricing and availability is not currently available.

biological source

human

recombinant

expressed in E. coli

assay

≥98% (HPLC)
≥98% (SDS-PAGE)

form

lyophilized

potency

≤2.0 ng/mL ED50

mol wt

18.4 kDa

packaging

pkg of 10 μg

application(s)

cell culture | mammalian: suitable

impurities

<0.1 EU/μg endotoxin, tested

color

white

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

Gene Information

human ... KITLG(4254)

General description

SCF (stem cell factor) is a hematopoietic cytokine that exists in both soluble and transmembrane forms, which arise due to alternative splicing. Both these forms are functionally active. This gene is localized to human chromosome 12q22-12q24. Endothelial cells and fibroblasts constitutively produce both transmembrane and soluble forms of SCF. It is also produced by keratinocytes in normal skin, and epithelial cells in the gut, and thymus. Recombinant human SCF is an 18.4 kDa polypeptide containing 165 amino acid residues, which corresponds to the sequence of the secreted soluble form of SCF.

Biochem/physiol Actions

SCF (stem cell factor) exerts its activity by signaling through the c-Kit receptor. They participate in hematopoiesis, and development of mast cells and melanocytes. Mutations in either of these proteins result in various phenotypic disorders, such as varying degrees of macrocytic anemia, suppressed numbers of tissue mast cells, reduced fertility, and decreased pigmentation. Linkage analysis along with whole-exome sequencing, c.286_303delinsT (p.Ser96Ter), shows a heterozygous truncating mutation in this gene linked with congenital and stable non-syndromic unilateral and asymmetric hearing loss. rs4590952 polymorphism in this gene is linked with disruption of p53 function through increase in p53-dependent SCF expression, which results in increased susceptibility to testicular cancer.

Sequence

MEGICRNRVT NNVKDVTKLV ANLPKDYMIT LKYVPGMDVL PSHCWISEMV VQLSDSLTDL LDKFSNISEG LSNYSIIDKL VNIVDDLVEC VKENSSKDLK KSFKSPEPRL FTPEEFFRIF NRSIDAFKDF VVASETSDCV VSSTLSPEKD SRVSVTKPFM LPPVA

Physical form

Lyophilized from 10 mM Acetic Acid.

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a stabilizer (example 5% Trehalose) and store in working aliquots at -20°C to -80°C.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Codes

Xi

Risk Statement

36/38

Safety Statement

26

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Stem cell factor and hematopoiesis.
Broudy VC
Blood, 90(4), 1345-1364 (1997)
Allelic Mutations of KITLG, Encoding KIT Ligand, Cause Asymmetric and Unilateral Hearing Loss and Waardenburg Syndrome Type 2.
Zazo Seco C, et al.
American Journal of Human Genetics, 97(5), 647-660 (2015)
A functional p53 responsive polymorphism in KITLG, rs4590952, does not affect the risk of breast cancer.
Chen W, et al.
Scientific Reports, 4:6371 (2014)
T R Ulich et al.
Blood, 78(3), 645-650 (1991-08-01)
Recombinant rat stem cell factor (rrSCF) administered to rats as a single intravenous injection causes a dose-dependent neutrophilia and lymphocytosis as well as the appearance of immature myeloid cells and occasional blast cells in the circulation. Neutrophilia begins at 2...
D M Anderson et al.
Cell, 63(1), 235-243 (1990-10-05)
We have previously reported the identification of a novel mast cell growth factor (MGF) that was shown to be a ligand for c-kit and is encoded by a gene that maps near the steel locus on mouse chromosome 10. We...

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