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.
Reconstitute at 0.2 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-II/IGF2 Antibody [Biotin]
chromosome 11 open reading frame 43
insulin-like growth factor 2 (somatomedin A)
insulin-like growth factor II
insulin-like growth factor type 2
Insulin-like growth factor I (also known as somatomedin C and somatomedin A) and insulin-like growth factor II (multiplication stimulating activity or MSA) belong to the family of insulin-like growth factors that are structurally homologous to proinsulin. Mature IGF-I and IGF-II share approximately 70% sequence identity. Both IGF-I and IGF-II are expressed in many tissues and cell types and may have autocrine, paracrine and endocrine functions. Mature IGF-I and IGF-II are highly conserved (100% identity between human, bovine and porcine proteins) and exhibit cross-species activity. IGF-II is a potent mitogenic growth factor. However, unlike IGF-I which has important postnatal roles, the growth-promoting function of IGF-II is limited to embryonic development.
Two specific cell surface receptors that bind IGF-I and IGF-II have been identified. The type I IGF receptor that participates in IGF signaling is structurally related to the insulin receptor. It is a disulfide-linked heterotetrameric transmembrane glycoprotein with an intracellular tyrosine kinase domain. Type I IGF receptor binds IGF-I with higher affinity than IGF-II. The type II IGF receptor which binds IGF-II with much higher affinity than IGF-I is also the cation-independent mannose 6-phosphate receptor. At the present time, it is not known if the type II IGF receptor participates in the IGF signaling pathway. An additional unknown receptor which mediates IGF‑II signaling has also been proposed. Circulating IGFs exist in complexes bound to IGF binding proteins. Currently, at least six high affinity binding proteins have been identified.
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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PRODUCT AVAILABILITY: Update Regarding the Evolving COVID-19 Situation
Bio-Techne appreciates the critical role that you and our products and services play in research efforts to further scientific innovation and discovery. We are continually assessing our manufacturing and supplier capabilities during the COVID-19 situation and are implementing precautionary measures to ensure uninterrupted supply of products and services. Currently, and as we abide by local shelter in place orders across the world, we are fully operational and do not anticipate any material supply disruptions across our Bio-Techne brands and product lines. As the situation evolves, our goal is to utilize preventive measures to reduce the threat that COVID-19 poses to our ability to meet the needs of our customers globally.