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Rabbit Anti-Insulin Receptor  antibody (bs-0681R)  
~~~促銷代碼KT202411~~~
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產品編號 bs-0681R
英文名稱 Rabbit Anti-Insulin Receptor  antibody
中文名稱 胰島素受體抗體
別    名 CD 220; CD220; CD220 antigen; HHF 5; HHF5; INSR; IR; INSR_HUMAN; Insulin receptor subunit alpha.  
Specific References  (6)     |     bs-0681R has been referenced in 6 publications.
[IF=5.076] Tingting Zhaoet al. Sodium Butyrate-Modulated Mitochondrial Function in High-Insulin Induced HepG2 Cell Dysfunction. Oxid Med Cell Longev . 2020 Jul 16;2020:1904609.  IF ;  Human.  
[IF=4.427] Yuan J et al. Fluoride exposure decreased learning ability and the expressions of the insulin receptor in male mouse hippocampus and olfactory bulb. Chemosphere. 2019 Feb 18;224:71-76.  IHC-P ;  Mouse.  
[IF=4.221] Huimin Wang. et al. Chronic exposure of bisphenol-A impairs cognitive function and disrupts hippocampal insulin signaling pathway in male mice. TOXICOLOGY. 2022 Apr;472:153192  WB ;  Mouse.  
[IF=3.06] Bai, Xue, et al. "Effects of water extract and crude polysaccharides from Liriope spicata var. prolifera on InsR/IRS-1/PI3K pathway and glucose metabolism in mice." Journal of ethnopharmacology 125.3 (2009): 482-486.  IHC-P ;  Mouse.  
[IF=2.94] Tian, L-Y., et al. "Anti-diabetic effect of methylswertianin and bellidifolin from Swertia punicea Hemsl. and its potential mechanism." Phytomedicine 17.7 (2010): 533-539.  WB, IHC-P ;  Mouse.  
[IF=2.431] Yuan J et al. Detrimental Effects of Sodium Fluoride on the Expression of Insulin Receptor in the Olfactory Bulb and Hippocampus of Male Mice. Biol Trace Elem Res. 2020 Feb 3.  IHC-P ;  Mouse.  
研究領域 細胞生物  神經生物學  信號轉導  細胞凋亡  細胞膜受體  內分泌病  細胞表面分子  糖蛋白  
抗體來源 Rabbit
克隆類型 Polyclonal
交叉反應 Human,Mouse,Rat (predicted: Rabbit,Sheep,Cow,Chicken,Dog,Horse)
產品應用 WB=1:500-2000,IHC-P=1:100-500,IHC-F=1:100-500,Flow-Cyt=1ug/Test,IF=1:100-500
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
細胞定位 細胞膜 
性    狀 Liquid
濃    度 1mg/ml
免 疫 原 KLH conjugated synthetic peptide derived from human Insulin Receptor: 51-150/1384 
亞    型 IgG
純化方法 affinity purified by Protein A
緩 沖 液 0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol.
保存條件 Shipped at 4℃. Store at -20℃ for one year. Avoid repeated freeze/thaw cycles.
注意事項 This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
PubMed PubMed
產品介紹 The insulin receptor is a heterotetrameric membrane glycoprotein with tyrosine-protein kinase activity, consisting of disulfide-linked subunits in a beta-alpha-alpha-beta configuration. The beta subunit possesses a single transmembrane domain, whereas the alpha subunit is completely extracellular. The alpha chains contribute to the formation of the ligand-binding domain, while the beta chains carry the kinase domain. Binding of insulin to the insulin receptor stimulates its association with downstream mediators including IRS1 and phosphatidylinositol 3'-kinase (PI3K) which leads to glucose uptake. Two transcript variants encoding different isoforms have been found for this gene produced by alternative splicing.

Protein kinases are enzymes that transfer a phosphate group from a phosphate donor, generally the g phosphate of ATP, onto an acceptor amino acid in a substrate protein. By this basic mechanism, protein kinases mediate most of the signal transduction in eukaryotic cells, regulating cellular metabolism, transcription, cell cycle progression, cytoskeletal rearrangement and cell movement, apoptosis, and differentiation. With more than 500 gene products, the protein kinase family is one of the largest families of proteins in eukaryotes. The family has been classified in 8 major groups based on sequence comparison of their tyrosine (PTK) or serine/threonine (STK) kinase catalytic domains. The tyrosine kinase (TK) group is mainly involved in the regulation of cell-cell interactions such as differentiation, adhesion, motility and death. There are currently about 90 TK genes sequenced, 58 are of receptor protein TK (e.g. EGFR, EPH, FGFR, PDGFR, TRK, and VEGFR families), and 32 of cytosolic TK (e.g. ABL, FAK, JAK, and SRC families).

Function:
Receptor tyrosine kinase which mediates the pleiotropic actions of insulin. Binding of insulin leads to phosphorylation of several intracellular substrates, including, insulin receptor substrates (IRS1, 2, 3, 4), SHC, GAB1, CBL and other signaling intermediates. Each of these phosphorylated proteins serve as docking proteins for other signaling proteins that contain Src-homology-2 domains (SH2 domain) that specifically recognize different phosphotyrosines residues, including the p85 regulatory subunit of PI3K and SHP2. Phosphorylation of IRSs proteins lead to the activation of two main signaling pathways: the PI3K-AKT/PKB pathway, which is responsible for most of the metabolic actions of insulin, and the Ras-MAPK pathway, which regulates expression of some genes and cooperates with the PI3K pathway to control cell growth and differentiation. Binding of the SH2 domains of PI3K to phosphotyrosines on IRS1 leads to the activation of PI3K and the generation of phosphatidylinositol-(3, 4, 5)-triphosphate (PIP3), a lipid second messenger, which activates several PIP3-dependent serine/threonine kinases, such as PDPK1 and subsequently AKT/PKB. The net effect of this pathway is to produce a translocation of the glucose transporter SLC2A4/GLUT4 from cytoplasmic vesicles to the cell membrane to facilitate glucose transport. Moreover, upon insulin stimulation, activated AKT/PKB is responsible for: anti-apoptotic effect of insulin by inducing phosphorylation of BAD; regulates the expression of gluconeogenic and lipogenic enzymes by controlling the activity of the winged helix or forkhead (FOX) class of transcription factors. Another pathway regulated by PI3K-AKT/PKB activation is mTORC1 signaling pathway which regulates cell growth and metabolism and integrates signals from insulin. AKT mediates insulin-stimulated protein synthesis by phosphorylating TSC2 thereby activating mTORC1 pathway. The Ras/RAF/MAP2K/MAPK pathway is mainly involved in mediating cell growth, survival and cellular differentiation of insulin. Phosphorylated IRS1 recruits GRB2/SOS complex, which triggers the activation of the Ras/RAF/MAP2K/MAPK pathway. In addition to binding insulin, the insulin receptor can bind insulin-like growth factors (IGFI and IGFII). Isoform Short has a higher affinity for IGFII binding. When present in a hybrid receptor with IGF1R, binds IGF1. PubMed:12138094 shows that hybrid receptors composed of IGF1R and INSR isoform Long are activated with a high affinity by IGF1, with low affinity by IGF2 and not significantly activated by insulin, and that hybrid receptors composed of IGF1R and INSR isoform Short are activated by IGF1, IGF2 and insulin. In contrast, PubMed:16831875 shows that hybrid receptors composed of IGF1R and INSR isoform Long and hybrid receptors composed of IGF1R and INSR isoform Short have similar binding characteristics, both bind IGF1 and have a low affinity for insulin.

Subunit:
Tetramer of 2 alpha and 2 beta chains linked by disulfide bonds. The alpha chains contribute to the formation of the ligand-binding domain, while the beta chains carry the kinase domain. Forms a hybrid receptor with IGF1R, the hybrid is a tetramer consisting of 1 alpha chain and 1 beta chain of INSR and 1 alpha chain and 1 beta chain of IGF1R. Interacts with SORBS1 but dissociates from it following insulin stimulation. Binds SH2B2. Activated form of INSR interacts (via Tyr-999) with the PTB/PID domains of IRS1 and SHC1. The sequences surrounding the phosphorylated NPXY motif contribute differentially to either IRS1 or SHC1 recognition. Interacts (via tyrosines in the C-terminus) with IRS2 (via PTB domain and 591-786 AA); the 591-786 would be the primary anchor of IRS2 to INSR while the PTB domain would have a stabilizing action on the interaction with INSR. Interacts with the SH2 domains of the 85 kDa regulatory subunit of PI3K (PIK3R1) in vitro, when autophosphorylated on tyrosine residues. Interacts with SOCS7. Interacts (via the phosphorylated Tyr-999), with SOCS3. Interacts (via the phosphorylated Tyr-1185, Tyr-1189, Tyr-1190) with SOCS1. Interacts with CAV2 (tyrosine-phosphorylated form); the interaction is increased with 'Tyr-27'phosphorylation of CAV2 (By similarity). Interacts with ARRB2 (By similarity). Interacts with GRB10; this interaction blocks the association between IRS1/IRS2 and INSR, significantly reduces insulin-stimulated tyrosine phosphorylation of IRS1 and IRS2 and thus decreases insulin signaling. Interacts with GRB7 (By similarity). Interacts with PDPK1. Interacts (via Tyr-1190) with GRB14 (via BPS domain); this interaction protects the tyrosines in the activation loop from dephosphorylation, but promotes dephosphorylation of Tyr-999, this results in decreased interaction with, and phosphorylation of, IRS1. Interacts (via subunit alpha) with ENPP1 (via 485-599 AA); this interaction blocks autophosphorylation. Interacts with PTPRE; this interaction is dependent of Tyr-1185, Tyr-1189 and Tyr-1190 of the INSR. Interacts with STAT5B (via SH2 domain). Interacts with PTPRF.

Subcellular Location:
Membrane; Single-pass type I membrane protein.

Tissue Specificity:
Isoform Long and isoform Short are predominantly expressed in tissue targets of insulin metabolic effects: liver, adipose tissue and skeletal muscle but are also expressed in the peripheral nerve, kidney, pulmonary alveoli, pancreatic acini, placenta vascular endothelium, fibroblasts, monocytes, granulocytes, erythrocytes and skin. Isoform Short is preferentially expressed in fetal cells such as fetal fibroblasts, muscle, liver and kidney. Found as a hybrid receptor with IGF1R in muscle, heart, kidney, adipose tissue, skeletal muscle, hepatoma, fibroblasts, spleen and placenta (at protein level). Overexpressed in several tumors, including breast, colon, lung, ovary, and thyroid carcinomas.

Post-translational modifications:
After being transported from the endoplasmic reticulum to the Golgi apparatus, the single glycosylated precursor is further glycosylated and then cleaved, followed by its transport to the plasma membrane.
Autophosphorylated on tyrosine residues in response to insulin. Phosphorylation of Tyr-999 is required for IRS1-, SHC1-, and STAT5B-binding. Dephosphorylated by PTPRE on Tyr-999, Tyr-1185, Tyr-1189 and Tyr-1190 residues. Dephosphorylated by PTPRF.

DISEASE:
Defects in INSR are the cause of Rabson-Mendenhall syndrome (RMS) [MIM:262190]; also known as Mendenhall syndrome. RMS is a severe insulin resistance syndrome characterized by insulin-resistant diabetes mellitus with pineal hyperplasia and somatic abnormalities. Typical features include coarse, senile-appearing facies, dental and skin abnormalities, abdominal distension, and phallic enlargement. Inheritance is autosomal recessive.
Defects in INSR are the cause of leprechaunism (LEPRCH) [MIM:246200]; also known as Donohue syndrome. Leprechaunism represents the most severe form of insulin resistance syndrome, characterized by intrauterine and postnatal growth retardation and death in early infancy. Inheritance is autosomal recessive.
Defects in INSR may be associated with noninsulin-dependent diabetes mellitus (NIDDM) [MIM:125853]; also known as diabetes mellitus type 2.
Defects in INSR are the cause of familial hyperinsulinemic hypoglycemia type 5 (HHF5) [MIM:609968]. Familial hyperinsulinemic hypoglycemia [MIM:256450], also referred to as congenital hyperinsulinism, nesidioblastosis, or persistent hyperinsulinemic hypoglycemia of infancy (PPHI), is the most common cause of persistent hypoglycemia in infancy and is due to defective negative feedback regulation of insulin secretion by low glucose levels.
Defects in INSR are the cause of insulin-resistant diabetes mellitus with acanthosis nigricans type A (IRAN type A) [MIM:610549]. This syndrome is characterized by the association of severe insulin resistance (manifested by marked hyperinsulinemia and a failure to respond to exogenous insulin) with the skin lesion acanthosis nigricans and ovarian hyperandrogenism in adolescent female subjects. Women frequently present with hirsutism, acne, amenorrhea or oligomenorrhea, and virilization. This syndrome is different from the type B that has been demonstrated to be secondary to the presence of circulating autoantibodies against the insulin receptor.

Similarity:
Belongs to the protein kinase superfamily. Tyr protein kinase family. Insulin receptor subfamily.
Contains 3 fibronectin type-III domains.
Contains 1 protein kinase domain.

SWISS:
P06213

Gene ID:
3643

Database links:

Entrez Gene: 3643 Human

Entrez Gene: 16337 Mouse

Entrez Gene: 24954 Rat

Entrez Gene: 484990 Dog

Omim: 147670 Human

SwissProt: P06213 Human

SwissProt: P15208 Mouse

SwissProt: P15127 Rat

Unigene: 465744 Human

Unigene: 9876 Rat



胰島素受體是一個四聚體,由兩個α亞基和兩個β亞基通過二硫鍵連接。兩個α亞基位于細胞質膜的外側,其上有胰島素的結合位點;兩個β亞基是跨膜蛋白,起信號轉導作用。無胰島素結 合時,受體的酪氨酸蛋白激酶沒有活性。當胰島素與受體的α亞基結合并改變了β亞基的構型后,酪氨酸蛋白激酶才被激活,激活后可催化兩個反應:
①使四聚體復合物中β亞基特異位點的酪氨酸殘基磷酸化,這種過程稱為自我磷酸化(autophosphorylation);
②將胰島素受體底物(insulin receptor substrate,IRSs)上具有重要作用的十幾個酪氨酸殘基磷酸化,磷酸化的IRSs能夠結合并激活下游效應物。
(isoform CRA-c)胰島素受體是一種跨膜蛋白,含兩個α亞基(135kda)和兩個β亞基(分子量:97kda)。胰島素受體是胰島素得傳感裝置,可在細胞內和細胞膜循環。

產品圖片
Sample: Lane 1: MCF-7 (Human) Cell Lysate at 30 ug Lane 2: A549 (Human) Cell Lysate at 30 ug Lane 3: 293T (Human) Cell Lysate at 30 ug Lane 4: Hela (Human) Cell Lysate at 30 ug Lane 5: Liver (Rat) Lysate at 40 ug Lane 6: Lymph node (Mouse) Lysate at 40 ug Lane 7: MOLT-4 (Human) Cell Lysate at 30 ug Lane 8: NIH/3T3 (Mouse) Cell Lysate at 30 ug Primary: Anti-Insulin Receptor (bs-0681R) at 1/1000 dilution Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution Predicted band size: 120 kD Observed band size: 120 kD
Sample: Lane 1: HepG2 (Human) Cell Lysate at 30 ug Lane 2: 293T (Human) Cell Lysate at 30 ug Lane 3: Lovo (Human) Cell Lysate at 30 ug Lane 4: Molt-4 (Human) Cell Lysate at 30 ug Lane 5: SW480 (Human) Cell Lysate at 30 ug Lane 6: K562 (Human) Cell Lysate at 30 ug Primary: Anti-Insulin Receptor (bs-0681R) at 1/1000 dilution Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution Predicted band size: 120 kD Observed band size: 120 kD
Tissue/cell: rat liver tissue; 4% Paraformaldehyde-fixed and paraffin-embedded; Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,C-0005) at 37℃ for 20 min; Incubation: Anti-Insulin Receptor/CD220 Polyclonal Antibody, Unconjugated(bs-0681R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(C-0010) staining
Tissue/cell: human liver tissue; 4% Paraformaldehyde-fixed and paraffin-embedded; Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,C-0005) at 37℃ for 20 min; Incubation: Anti-Insulin Receptor/CD220 Polyclonal Antibody, Unconjugated(bs-0681R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(C-0010) staining
Blank control: Raji (blue). Primary Antibody: Rabbit Anti-Insulin Receptor alpha antibody(bs-0681R), Dilution: 1μg in 100 μL 1X PBS containing 0.5% BSA; Isotype Control Antibody: Rabbit IgG(orange),used under the same conditions ); Secondary Antibody: Goat anti-rabbit IgG-PE(white blue), Dilution: 1:200 in 1 X PBS containing 0.5% BSA. Protocol The cells were fixed with 2% paraformaldehyde (10 min) , then permeabilized with 90% ice-cold methanol for 30 min on ice. Primary antibody (bs-0681R, 1μg /1x10^6 cells) were incubated for 30 min on the ice, followed by 1 X PBS containing 0.5% BSA + 1 0% goat serum (15 min) to block non-specific protein-protein interactions. Then the Goat Anti-rabbit IgG/PE antibody was added into the blocking buffer mentioned above to react with the primary antibody at 1/200 dilution for 30 min on ice. Acquisition of 20,000 events was performed.
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