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I4657

Sigma-Aldrich

Insulin-like Growth Factor-I Receptor human

≥95% (SDS-PAGE), recombinant, expressed in NSO cells, lyophilized powder

Synonym(s):

IGF-I Receptor

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About This Item

MDL number:
MFCD01323726
UNSPSC Code:
12352202
NACRES:
NA.32

biological source

human

Quality Level

200

recombinant

expressed in NSO cells

Assay

≥95% (SDS-PAGE)

form

lyophilized powder

mol wt

α-chain ~120 & 150 kDa
β subunit ~46 & 50 kDa

packaging

pkg of 50 μg

impurities

endotoxin, tested

UniProt accession no.

P08069

storage temp.

−20°C

Gene Information

human ... IGF1R(3480)

General description

IGF1R (insulin-like growth factor I) is a receptor tyrosine kinase. The gene is mapped to human chromosome 15q26. It is expressed in various solid tumors as well as hematologic malignancies.

Application

Insulin-like growth factor-I receptor human has been used to study the binding constants of estradiol to insulin, insulin receptors and insulin-like peptides.

Biochem/physiol Actions

IGF-I receptor, a tyrosine kinase receptor with signal transduction pathways, is comprised of two α and two β subunits. IGF-I receptor binds IGF-I with high affinity, IGF-II with lower affinity, and insulin with weak affinity.

Physical form

Lyophilized from a 0.2 μm solution in phosphate buffered saline.

Analysis Note

As a result of glycosylation in SDS-PAGE under reducing conditions, the recombinant α subunit migrates as a doublet of ~120 kDa and 150 kDa and the β subunit migrates as doublet of ~46 kDa and 50 kDa.
The biological activity is measured by its ability to bind human IGF­-­I in a functional ELISA assay.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sandra Heskamp et al.
PloS one, 10(2), e0117745-e0117745 (2015-02-14)
The insulin-like growth factor 1 receptor (IGF-1R) may be involved in the development of resistance against conventional cancer treatment. The aim of this study was to assess whether IGF-1R expression of breast tumors changes during neoadjuvant therapy and to study
Xin Huang et al.
PloS one, 10(7), e0133152-e0133152 (2015-07-15)
Patients with metastatic or recurrent and refractory sarcomas have a dismal prognosis. Therefore, new targeted therapies are urgently needed. This study was designed to evaluate chimeric antigen receptor (CAR) T cells targeting the type I insulin-like growth factor receptor (IGF1R)
Jin-Ho Choi et al.
The Journal of clinical endocrinology and metabolism, 96(1), E130-E134 (2010-10-22)
Mutations in the IGF1R gene result in intrauterine growth retardation and postnatal growth failure. The objective of this study was to describe the clinical features of subjects with a mutation in the IGF1R gene and to evaluate the molecular and
Robert Root-Bernstein et al.
Frontiers in endocrinology, 5, 118-118 (2014-08-08)
Insulin (INS) resistance associated with hyperestrogenemias occurs in gestational diabetes mellitus, polycystic ovary syndrome, ovarian hyperstimulation syndrome, estrogen therapies, metabolic syndrome, and obesity. The mechanism by which INS and estrogen interact is unknown. We hypothesize that estrogen binds directly to

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