Western blot shows lysates of NTera‑2 human testicular embryonic carcinoma cell line, SK‑Mel‑28 human malignant melanoma cell line, and G361 human melanoma cell line. PVDF membrane was probed with 1 µg/mL of ...read more
IGF‑I R was detected in perfusion fixed paraffin-embedded sections of mouse heart using Mouse Anti-Human/Mouse IGF‑I R Monoclonal Antibody (Catalog # MAB391) at 15 µg/mL for 1 hour at room temperature ...read more
MCF‑7 human breast cancer cell line was stained with Mouse Anti-Human IGF‑I R Monoclonal Antibody (Catalog # MAB391, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram) followed by ...read more
Recombinant Human IGF‑I (Catalog # 291-G1) stimulates proliferation in the MCF‑7 human breast cancer cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Human IGF‑I (6 ng/mL) ...read more
S. frugiperda insect ovarian cell line Sf 21-derived recombinant human IGF-I R Glu31-Asn932 Accession # P08069
Detects human IGF-I R in sandwich ELISAs and Western blots. Detects mouse IGF-I R in Immunohistochemistry. In sandwich immunoassays, less than 0.15% cross-reactivity or interference was observed with recombinant human (rh) IGF-I, rhIGF-II, rhIL-3 R alpha, rhIL‑9 R, and rhTGF-beta RII.
<0.10 EU per 1 μg of the antibody by the LAL method.
Test in a species/application not listed above to receive a full credit towards a future purchase.
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Reconstitute at 0.5 mg/mL in sterile PBS.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for IGF-I R Antibody (33255) [Unconjugated]
insulin-like growth factor 1 receptor
Insulin-like growth factor I receptor
soluble IGF1R variant 1
soluble IGF1R variant 2
Insulin-like growth factor I receptor (IGF-I R) is a disulfide-linked heterotetrameric transmembrane protein consisting of two alpha and two beta subunits. Both the alpha and beta subunits are encoded within a single receptor precursor cDNA. The proreceptor polypeptide is proteolytically cleaved and disulfide-linked to yield the mature heterotetrameric receptor. The alpha subunit of IGF-I R is extracellular while the beta subunit has an extracellular domain, a transmembrane domain and a cytoplasmic tyrosine kinase domain. IGF-I R is highly expressed in all cell types and tissues. Essentially all of the biological activities of IGF-I and -II have been shown to be mediated via IGF-I R.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
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