JAK2 Antibody (YA6077)
(Synonyms: Tyrosine-protein kinase JAK2 (EC 2.7.10.2) (Janus kinase 2) (JAK-2))Based on 1 Customer Validation
JAK2 Antibody (YA6077) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to JAK2.
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Host:
Rabbit
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Isotype:
IgG
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Application:
WB, IHC-P, ICC/IF, IP, ELISA
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Reactivity :
Human, Mouse, Rat
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Formulation:
Supplied in PBS, 50% glycerol, 0.05% Proclin 300, 0.05%BSA
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Conjugation:
Non-conjugated
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
Applications
| Application |
IHC-P
IHC-P: Immunohistochemistry-Paraffin
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WB
WB: Western Blot
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ICC/IF
ICC/IF: Immunocytochemistry/
Immunofluorescence |
ELISA
ELISA: Enzyme Linked Immunosorbent Assay
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IP
IP: Immunoprecipitation
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| Dilution Ratio | 1:200-1:1000 | 1:2000-1:10000 | 1:200-1:1000 | 1:5000-1:20000 | 1:50-1:200 |
Product Details
JAK2 Antibody (YA6077) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to JAK2.
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Host Rabbit
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Clonality Monoclonal
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Species ReactivityHuman, Mouse, Rat
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Observed Molecular WeightObserved band size: 131 kDa
Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.
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Calculated Molecular Weight Predicted band size: 131 kDa
Protein A
Non-conjugated
Unmodified
IgG
Product Properties
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Appearance
Solution
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Formulation
Supplied in PBS, 50% glycerol, 0.05% Proclin 300, 0.05%BSA
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Concentration
Batch-dependent, Please check the COA for the concentration of each lot. Check Lot Concentration
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Storage & Stability
Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.
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Shipping
Shipping with blue ice.
Verification Images
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Western blot analysis of extracts from K-562 (lane 2(20μg), THP-1 (lane 3(20μg), C6 (lane 4(20μg) and RAW264.7 (lane 5(20μg) using JAK2 Antibody (HY-P86385) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000)and Loading control antibody (Beta Actin, HY-P80993, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. -
Western blot analysis of extracts from K562 (lane 1(20μg)) 、THP-1 (lane 2(20μg)) 、Jurkat (lane 3(20μg)) and NIH-3T3 (lane 4(20μg)) using Jak2 Antibody (HY-P86385) . Proteins were transferred to a PVDF membrane and blocked with 5% nonfat dry milk in TBST for 1.5 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (GAPDH, 1/10000) was used in 5% nonfat dry milk in TBST at 4℃ overnight. Goat Anti-Rabbit IgG-HRP Secondary Antibody (1/10,000) was used for 1 hour at room temperature. -
Immunohistochemical analysis of paraffin-embedded human liver tissue using JAK2 Antibody (HY-P86385, 1/1000). The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human heart tissue using JAK2 Antibody (HY-P86385, 1/1000). The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human adrenal gland tissue using JAK2 Antibody (HY-P86385, 1/1000). The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded mouse liver tissue using JAK2 Antibody (HY-P86385, 1/1000). The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human tonsil tissue using JAK2 Antibody. The section was pre-treated using heat mediated antigen retrieval with Tris/EDTA buffer (pH 9.0) for 20 minutes. The tissues were probed with the primary antibody (HY-P86385, 1/200) overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with neutral balsam. -
Immunohistochemical analysis of paraffin-embedded human oral cancer tissue using JAK2 Antibody (HY-P86385, 1/200). The section was pretreated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0) for 10 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human skin tissue using JAK2 Antibody (HY-P86385, 1/1000). The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunohistochemical analysis of paraffin-embedded human kidney tissue using JAK2 Antibody (HY-P86385, 1/1000). The section was pretreated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 8 minutes. The tissues were blocked with quick block buffer for 0.5 hours at room temperature, washed with PBS and PBST, and then incubated with the primary antibody overnight at 4℃. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX. -
Immunocytochemistry analysis of Hela cells labeling JAK2 with JAK2 Antibody (HY-P86385) at 1/300 dilution. Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 in PBS for 15 minutes at room temperature, then blocked with quick block buffer for 10 minutes at room temperature. Cells were then incubated with JAK2 Antibody (HY-P86385) at 1/300 dilution in quick block buffer overnight at 4 ℃. AF488-conjugated Goat Anti-Rabbit IgG H&L (HY-P8002, Green) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. The Nuclear counterstain was DAPI (Blue). -
Immunocytochemistry analysis of Hela cells labeling JAK2 with JAK2 Antibody (HY-P86385) at 1/600 dilution. Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 in PBS for 15 minutes at room temperature, then blocked with quick block buffer for 10 minutes at room temperature. Cells were then incubated with JAK2 Antibody (HY-P86385) at 1/600 dilution in quick block buffer overnight at 4 ℃. AF488-conjugated Goat Anti-Rabbit IgG H&L (HY-P8002, Green) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. The Nuclear counterstain was DAPI (Blue).
Background
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Function
JAK2 is a non-receptor tyrosine kinase in the JAK1-JAK2-JAK3-TYK2 family and acts as a cytoplasmic signaling component of cytokine receptors[1]. Mechanistically, cytokine-mediated activation of JAK2 promotes receptor phosphorylation, recruits STAT proteins, and drives STAT phosphorylation-dependent transcriptional signaling[1][2]. This pathway supports cell growth, survival, development, differentiation, hematopoiesis, immune regulation, and homeostasis[2][3]. In disease models, gain-of-function JAK2 V617F in the pseudokinase domain causes constitutive activity and is strongly linked to myeloproliferative neoplasms and leukemias[1][4]. Compared with related isoforms, JAK3 is essential for common γ-chain cytokine receptor signaling in T- and B-cell development, whereas complete mouse deletion of JAK1 or JAK2 is not compatible with life[5][6]. For experimental applications, ruxolitinib is a selective oral JAK1/JAK2 inhibitor, and JAK2-focused compounds support studies of mutant signaling, cytokine responses, splenomegaly, angiogenesis, and inhibitor resistance[7][8][9].
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Subcellular Localization
Endomembrane system; Peripheral membrane protein; Cytoplasm; Nucleus
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Expression
Tissue_specificity:Commonly expressed in most organizations -
Subunit
Interacts with EPOR, LYN, SIRPA, SH2B1 and TEC (By similarity). Interacts with IL23R (PubMed:12023369). Interacts with SKB1 (PubMed:10531356). Interacts with STAM2 (PubMed:10899310). Interacts with IFNGR2 (via intracellular domain) (PubMed:7615558, PubMed:7673114). Interacts with LEPR (Isoform B) (By similarity). Interacts with HSP90AB1; promotes functional activation in a heat shock-dependent manner (PubMed:20353823). Interacts with STRA6 (PubMed:21368206). Interacts with RHEX; this interaction occurs in a erythropoietin (EPO)-dependent manner (PubMed:25092874). Interacts with ASB2; the interaction targets JAK2 for Notch-induced proteasomal degradation (PubMed:21119685). Interacts with MPL/TPOR (PubMed:15899890)
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SwissProt ID
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Synonyms
Tyrosine-protein kinase JAK2 (EC 2.7.10.2) (Janus kinase 2) (JAK-2)
Documentation
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Data Sheet (263 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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User Guide for Antibodies (1077 KB)
References
[1]. Hubbard SR. Mechanistic Insights into Regulation of JAK2 Tyrosine Kinase. Front Endocrinol (Lausanne). 2018 Jan 5;8:361. doi: 10.3389/fendo.2017.00361. PMID: 29379470; PMCID: PMC5770812. et al. Mechanistic Insights into Regulation of JAK2 Tyrosine Kinase. Front Endocrinol (Lausanne). 2018 Jan 5;8:361. [Content Brief]
[2]. Ihle JN, et al. Jaks and Stats in signaling by the cytokine receptor superfamily. Trends Genet. 1995 Feb;11(2):69-74. [Content Brief]
[3]. Rawlings JS, et al. The JAK/STAT signaling pathway. J Cell Sci. 2004 Mar 15;117(Pt 8):1281-3. [Content Brief]
[4]. Gäbler K, et al. JAK2 mutants (e.g., JAK2V617F) and their importance as drug targets in myeloproliferative neoplasms. JAKSTAT. 2013 Jul 1;2(3):e25025. [Content Brief]
[5]. Suzuki K, et al. Janus kinase 3 (Jak3) is essential for common cytokine receptor gamma chain (gamma(c))-dependent signaling: comparative analysis of gamma(c), Jak3, and gamma(c) and Jak3 double-deficient mice. Int Immunol. 2000 Feb;12(2):123-32. [Content Brief]
[6]. Ghoreschi K, et al. Janus kinases in immune cell signaling. Immunol Rev. 2009 Mar;228(1):273-87. [Content Brief]
[7]. Naqvi K, et al. A potential role of ruxolitinib in leukemia. Expert Opin Investig Drugs. 2011 Aug;20(8):1159-66. [Content Brief]
[8]. Hart S, et al. SB1518, a novel macrocyclic pyrimidine-based JAK2 inhibitor for the treatment of myeloid and lymphoid malignancies. Leukemia. 2011 Nov;25(11):1751-9. [Content Brief]
[9]. Cheng Z, et al. Angiogenesis in JAK2 V617F positive myeloproliferative neoplasms and ruxolitinib decrease VEGF, HIF-1 enesis in JAK2 V617F positive cells. Leuk Lymphoma. 2018 Jan;59(1):196-203. [Content Brief]
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