Phospho-EGFR (Tyr1173)[Tyr1197] Antibody - #AF3048

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製品: Phospho-EGFR (Tyr1173)[Tyr1197] Antibody
カタログ: AF3048
タンパク質の説明: Rabbit polyclonal antibody to Phospho-EGFR (Tyr1173)[Tyr1197]
アプリケーション: WB IHC IF/ICC
Cited expt.: WB, IHC
反応性: Human, Mouse, Rat
予測: Pig, Bovine, Horse, Sheep, Rabbit
分子量: 175kDa; 134kD(Calculated).
ユニプロット: P00533
RRID: AB_2834475

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製品説明

ソース:
Rabbit
アプリケーション:
WB 1:500-1:2000, IHC 1:50-1:200, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

反応性:
Human,Mouse,Rat
予測:
Pig(100%), Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%)
クローナリティ:
Polyclonal
特異性:
Phospho-EGFR (Tyr1173) Antibody detects endogenous levels of EGFR only when phosphorylated at Tyr1197, which site historically referenced as Tyr1173.
RRID:
AB_2834475
引用形式: Affinity Biosciences Cat# AF3048, RRID:AB_2834475.
コンジュゲート:
Unconjugated.
精製:
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
保存:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
別名:

折りたたみ／展開

Avian erythroblastic leukemia viral (v erb b) oncogene homolog; Cell growth inhibiting protein 40; Cell proliferation inducing protein 61; EGF R; EGFR; EGFR_HUMAN; Epidermal growth factor receptor (avian erythroblastic leukemia viral (v erb b) oncogene homolog); Epidermal growth factor receptor (erythroblastic leukemia viral (v erb b) oncogene homolog avian); Epidermal growth factor receptor; erb-b2 receptor tyrosine kinase 1; ERBB; ERBB1; Errp; HER1; mENA; NISBD2; Oncogen ERBB; PIG61; Proto-oncogene c-ErbB-1; Receptor tyrosine protein kinase ErbB 1; Receptor tyrosine-protein kinase ErbB-1; SA7; Species antigen 7; Urogastrone; v-erb-b Avian erythroblastic leukemia viral oncogen homolog; wa2; Wa5;

免疫原

免疫原:

A synthesized peptide derived from human EGFR around the phosphorylation site of Tyr1197.

Uniprot:

P00533(EGFR_HUMAN) >>Visit HPA database.

遺伝子(ID):
EGFR(1956)
発現特異性:
P00533 EGFR_HUMAN:

Ubiquitously expressed. Isoform 2 is also expressed in ovarian cancers.

タンパク質の説明:
EGFR is a receptor tyrosine kinase. Receptor for epidermal growth factor (EGF) and related growth factors including TGF-alpha, amphiregulin, betacellulin, heparin-binding EGF-like growth factor, GP30 and vaccinia virus growth factor. Is involved in the control of cell growth and differentiation.
タンパク質配列:
MRPSGTAGAALLALLAALCPASRALEEKKVCQGTSNKLTQLGTFEDHFLSLQRMFNNCEVVLGNLEITYVQRNYDLSFLKTIQEVAGYVLIALNTVERIPLENLQIIRGNMYYENSYALAVLSNYDANKTGLKELPMRNLQEILHGAVRFSNNPALCNVESIQWRDIVSSDFLSNMSMDFQNHLGSCQKCDPSCPNGSCWGAGEENCQKLTKIICAQQCSGRCRGKSPSDCCHNQCAAGCTGPRESDCLVCRKFRDEATCKDTCPPLMLYNPTTYQMDVNPEGKYSFGATCVKKCPRNYVVTDHGSCVRACGADSYEMEEDGVRKCKKCEGPCRKVCNGIGIGEFKDSLSINATNIKHFKNCTSISGDLHILPVAFRGDSFTHTPPLDPQELDILKTVKEITGFLLIQAWPENRTDLHAFENLEIIRGRTKQHGQFSLAVVSLNITSLGLRSLKEISDGDVIISGNKNLCYANTINWKKLFGTSGQKTKIISNRGENSCKATGQVCHALCSPEGCWGPEPRDCVSCRNVSRGRECVDKCNLLEGEPREFVENSECIQCHPECLPQAMNITCTGRGPDNCIQCAHYIDGPHCVKTCPAGVMGENNTLVWKYADAGHVCHLCHPNCTYGCTGPGLEGCPTNGPKIPSIATGMVGALLLLLVVALGIGLFMRRRHIVRKRTLRRLLQERELVEPLTPSGEAPNQALLRILKETEFKKIKVLGSGAFGTVYKGLWIPEGEKVKIPVAIKELREATSPKANKEILDEAYVMASVDNPHVCRLLGICLTSTVQLITQLMPFGCLLDYVREHKDNIGSQYLLNWCVQIAKGMNYLEDRRLVHRDLAARNVLVKTPQHVKITDFGLAKLLGAEEKEYHAEGGKVPIKWMALESILHRIYTHQSDVWSYGVTVWELMTFGSKPYDGIPASEISSILEKGERLPQPPICTIDVYMIMVKCWMIDADSRPKFRELIIEFSKMARDPQRYLVIQGDERMHLPSPTDSNFYRALMDEEDMDDVVDADEYLIPQQGFFSSPSTSRTPLLSSLSATSNNSTVACIDRNGLQSCPIKEDSFLQRYSSDPTGALTEDSIDDTFLPVPEYINQSVPKRPAGSVQNPVYHNQPLNPAPSRDPHYQDPHSTAVGNPEYLNTVQPTCVNSTFDSPAHWAQKGSHQISLDNPDYQQDFFPKEAKPNGIFKGSTAENAEYLRVAPQSSEFIGA

種類予測

種類予測:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Pig
100
Horse
100
Bovine
100
Sheep
100
Rabbit
100
Xenopus
71
Dog
0
Zebrafish
0
Chicken
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

研究背景

機能:

Receptor tyrosine kinase binding ligands of the EGF family and activating several signaling cascades to convert extracellular cues into appropriate cellular responses. Known ligands include EGF, TGFA/TGF-alpha, AREG, epigen/EPGN, BTC/betacellulin, epiregulin/EREG and HBEGF/heparin-binding EGF. Ligand binding triggers receptor homo- and/or heterodimerization and autophosphorylation on key cytoplasmic residues. The phosphorylated receptor recruits adapter proteins like GRB2 which in turn activates complex downstream signaling cascades. Activates at least 4 major downstream signaling cascades including the RAS-RAF-MEK-ERK, PI3 kinase-AKT, PLCgamma-PKC and STATs modules. May also activate the NF-kappa-B signaling cascade. Also directly phosphorylates other proteins like RGS16, activating its GTPase activity and probably coupling the EGF receptor signaling to the G protein-coupled receptor signaling. Also phosphorylates MUC1 and increases its interaction with SRC and CTNNB1/beta-catenin. Positively regulates cell migration via interaction with CCDC88A/GIV which retains EGFR at the cell membrane following ligand stimulation, promoting EGFR signaling which triggers cell migration. Plays a role in enhancing learning and memory performance (By similarity).

Isoform 2 may act as an antagonist of EGF action.

(Microbial infection) Acts as a receptor for hepatitis C virus (HCV) in hepatocytes and facilitates its cell entry. Mediates HCV entry by promoting the formation of the CD81-CLDN1 receptor complexes that are essential for HCV entry and by enhancing membrane fusion of cells expressing HCV envelope glycoproteins.

PTMs:

Phosphorylated on Tyr residues in response to EGF. Phosphorylation at Ser-695 is partial and occurs only if Thr-693 is phosphorylated. Phosphorylation at Thr-678 and Thr-693 by PRKD1 inhibits EGF-induced MAPK8/JNK1 activation. Dephosphorylation by PTPRJ prevents endocytosis and stabilizes the receptor at the plasma membrane. Autophosphorylation at Tyr-1197 is stimulated by methylation at Arg-1199 and enhances interaction with PTPN6. Autophosphorylation at Tyr-1092 and/or Tyr-1110 recruits STAT3. Dephosphorylated by PTPN1 and PTPN2.

Monoubiquitinated and polyubiquitinated upon EGF stimulation; which does not affect tyrosine kinase activity or signaling capacity but may play a role in lysosomal targeting. Polyubiquitin linkage is mainly through 'Lys-63', but linkage through 'Lys-48', 'Lys-11' and 'Lys-29' also occurs. Deubiquitination by OTUD7B prevents degradation. Ubiquitinated by RNF115 and RNF126 (By similarity).

Palmitoylated on Cys residues by ZDHHC20. Palmitoylation inhibits internalization after ligand binding, and increases the persistence of tyrosine-phosphorylated EGFR at the cell membrane. Palmitoylation increases the amplitude and duration of EGFR signaling.

Methylated. Methylation at Arg-1199 by PRMT5 stimulates phosphorylation at Tyr-1197.

細胞の位置付け:

Cell membrane>Single-pass type I membrane protein. Endoplasmic reticulum membrane>Single-pass type I membrane protein. Golgi apparatus membrane>Single-pass type I membrane protein. Nucleus membrane>Single-pass type I membrane protein. Endosome. Endosome membrane. Nucleus.
Note: In response to EGF, translocated from the cell membrane to the nucleus via Golgi and ER (PubMed:20674546). Endocytosed upon activation by ligand (PubMed:2790960, PubMed:17182860, PubMed:27153536). Colocalized with GPER1 in the nucleus of estrogen agonist-induced cancer-associated fibroblasts (CAF) (PubMed:20551055).

Secreted.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
組織特異性:

Ubiquitously expressed. Isoform 2 is also expressed in ovarian cancers.

タンパク質ファミリー:

Belongs to the protein kinase superfamily. Tyr protein kinase family. EGF receptor subfamily.

研究領域

· Cellular Processes > Transport and catabolism > Endocytosis.   (View pathway)

· Cellular Processes > Cellular community - eukaryotes > Focal adhesion.   (View pathway)

· Cellular Processes > Cellular community - eukaryotes > Adherens junction.   (View pathway)

· Cellular Processes > Cellular community - eukaryotes > Gap junction.   (View pathway)

· Cellular Processes > Cell motility > Regulation of actin cytoskeleton.   (View pathway)

· Environmental Information Processing > Signal transduction > MAPK signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > ErbB signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > Ras signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > Rap1 signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > Calcium signaling pathway.   (View pathway)

· Environmental Information Processing > Signaling molecules and interaction > Cytokine-cytokine receptor interaction.   (View pathway)

· Environmental Information Processing > Signal transduction > HIF-1 signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > FoxO signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > Phospholipase D signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > PI3K-Akt signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > Jak-STAT signaling pathway.   (View pathway)

· Human Diseases > Drug resistance: Antineoplastic > EGFR tyrosine kinase inhibitor resistance.

· Human Diseases > Drug resistance: Antineoplastic > Endocrine resistance.

· Human Diseases > Infectious diseases: Bacterial > Epithelial cell signaling in Helicobacter pylori infection.

· Human Diseases > Infectious diseases: Viral > Hepatitis C.

· Human Diseases > Infectious diseases: Viral > Human papillomavirus infection.

· Human Diseases > Cancers: Overview > Pathways in cancer.   (View pathway)

· Human Diseases > Cancers: Overview > Proteoglycans in cancer.

· Human Diseases > Cancers: Overview > MicroRNAs in cancer.

· Human Diseases > Cancers: Specific types > Colorectal cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Pancreatic cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Endometrial cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Glioma.   (View pathway)

· Human Diseases > Cancers: Specific types > Prostate cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Melanoma.   (View pathway)

· Human Diseases > Cancers: Specific types > Bladder cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Non-small cell lung cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Breast cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Hepatocellular carcinoma.   (View pathway)

· Human Diseases > Cancers: Specific types > Gastric cancer.   (View pathway)

· Human Diseases > Cancers: Overview > Central carbon metabolism in cancer.   (View pathway)

· Human Diseases > Cancers: Overview > Choline metabolism in cancer.   (View pathway)

· Organismal Systems > Endocrine system > Estrogen signaling pathway.   (View pathway)

· Organismal Systems > Endocrine system > Oxytocin signaling pathway.

· Organismal Systems > Endocrine system > Relaxin signaling pathway.

参考文献

1). Resistance to anti-HER2 therapy associated with the TSC2 nonsynonymous variant c.4349 C > G (p.Pro1450Arg) is reversed by CDK4/6 inhibitor in HER2-positive breast cancer. npj Breast Cancer, 2023 (PubMed: 37160904) [IF=5.9]

Application: WB    Species: Human    Sample: BT474 cell

Fig. 3 Expression of proteins involved in the HER2/AKT/mTOR and cyclinD1/CDK4 signaling pathways in BT474 cell lines treated with lapatinib and/or palbociclib. a Western blot analysis of proteins involved in the HER2/AKT/mTOR signaling pathway after treatment with lapatinib and/or palbociclib for 48 h. b Western blot analysis of proteins involved in the cyclinD1/CDK4 signaling pathway after treatment with lapatinib and/or palbociclib for 48 h. c p-HER2 expression levels under treatment with different drugs in the same cell. d p-HER2 expression levels in TSC2-NC, WT, and MT groups treated with the same drugs. e p-TSC2 expression levels under treatment with different drugs in the same cell. f p-TSC2 expression levels in TSC2-NC, WT, and MT groups treated with the same drugs. g p-mTOR expression levels under treatment with different drugs in the same cell. h p-mTOR expression levels in TSC2-NC, WT, and MT groups treated with the same drugs. i p-P70S6K expression levels under treatment with different drugs in the same cell. j p-P70S6K expression levels in TSC2-NC, WT, and MT groups treated with the same drugs. Data are shown as mean ± SD; One-way ANOVA was used to analyze the data in (d, f, h, j). Error bars are SEM.
2). TNIK drives castration-resistant prostate cancer via phosphorylating EGFR. iScience, 2024 (PubMed: 38226156) [IF=5.8]

Application: IHC    Species: Mouse    Sample:

Figure 6 Targeting TNIK suppresses CRPC tumor progression in vivo (A) C4-2 cells were implanted subcutaneously in male BALB/c mice. When tumors became palpable, mice administered daily by oral gavage either with vehicle (10% DMSO in PBS) or NCB0846 (80 mg/kg of body weight) for 10 days (n = 4 mice for each treatment). Tumor volumes were measured with calipers. (B) Tumor size of xenografts of the above represented the growth of tumor over 10 days (n = 4) in athymic nude mice (p < 0.001). Data are shown as mean ± SD. (C) Tumor weight of the control mice tumors and NCB-0846-treated mice tumors (p < 0.001). Data are shown as mean ± SD. (D) Body weight of nude mice after implantation of control or C4-2 xenografts and treatment with vehicle or NCB-0846 for 4 weeks. (E) Quantitation of Ki-67, TNIK, p-EGFR, β-catenin, vimentin, E-cadherin, BMP6, and BMP7 expressions in C4-2 xenograft tumors from each group; specimens were got at 10 days posttreatment. Scale bars: 500 μm. The IHC was scored according to number of cells expressing the indicated proteins, and statistical analysis was performed (non-parametric Kruskal-Wallis test) in order to determine significance. Data are shown as mean ± SD.
3). Quinalizarin, a specific CK2 inhibitor, can reduce icotinib resistance in human lung adenocarcinoma cell lines. INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE, 2019 (PubMed: 31173177) [IF=5.7]

Application: WB    Species: human    Sample: H1650, H1975 and A549 cells

Figure 2.| Cell lines with different EGFR genotypes have different basal expressions of CK2 and EGFR. Western blotting images, and quantification of CK2α, EGFR and p‑EGFR protein expression. β‑actin was used as a loading control. The mean ± standard deviation was calculated for three independent experiments. CK2α, casein kinase II subunit α; EGFR, epidermal growth factor receptor; p‑, phosphorylated.
4). PTPRH Alleviates Airway Obstruction and Th2 Inflammation in Asthma as a Protective Factor. Journal of Asthma and Allergy, 2022 (PubMed: 35140475) [IF=3.7]

Application: WB    Species: Human    Sample: HBECs

Figure 7 The expression of PTPRH was induced by cytokine IL-13 and the effect of PTPRH on EGFR, ERK1/2, and AKT in HBECs. (A) The transcript levels of PTPRH and EGFR with or without IL-13 stimulation were detected by qRT-PCR. (B) The protein expression in HBECs with or without IL-13 stimulation were detected by Western blotting. (C) The protein expression in HBECs transfected with empty or PTPRH over expression vector were detected by Western blotting. (D) The protein expression in HBECs transfected with empty or PTPRH siRNA were detected by Western blotting. The transcript levels are expressed as log2 transformed and relative to the mean of control group. Data are mean ± SD. *p < 0.05; **p < 0.01.
5). Ethoxy-erianin phosphate and afatinib synergistically inhibit liver tumor growth and angiogenesis via regulating VEGF and EGFR signaling pathways. Toxicology and Applied Pharmacology, 2022 (PubMed: 35143806) [IF=3.3]
6). Inorganic arsenic exposure promotes malignant progression by HDAC6-mediated down-regulation of HTRA1. Journal of Applied Toxicology, 2023 (PubMed: 36861143) [IF=2.7]

Application: WB    Species: Human    Sample: Caco-2 cells

FIGURE 3 Molecular profiling for iAs-induced changes in Caco-2 cells. (A) Protein levels of claudin 3 and cofilin were determined by Western blot analysis. (B) Transcript levels of IL-6, TNF-α, and MMP13 were determined by RT-qPCR, with GAPDH as an internal control. (C) The levels of EGF in the culture supernatant were examined by ELISA. (D) A marked increase in the phosphorylated levels of EGFR, Src, AKT, and p38 was shown by Western blot analysis. RT-qPCR (E) and Western blot analysis (F) results showed the down-regulation of HTRA1 expression caused by chronic iAs exposure. Data were representatives of at least three independent experiments, shown as mean ± SD. The significance threshold for Student's t-test:
7). Distribution pattern of invasion‑related bio‑markers in head Marjolin's ulcer. Experimental and Therapeutic Medicine, 2020 (PubMed: 32855703) [IF=2.4]

Application: WB    Species: human    Sample: MU tissue

Figure 5.| Expression levels of tumor invasion-associated cell signaling pathways molecules at different sites of Marjolin's ulcer. Relative mRNA expression levels of (A) FAK, (B) STAT3, (C) EGFR, (D) CXCL9 and (E) RANKL.Values are expressed as the mean ± standard error of the mean (n=3). Western blot was used to determine the protein level of phosphorylated STAT3, FAK and EGFR (F) and statistical analysis has been performed (G-I).

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