p44/42 MAPK (Erk1/2) (L34F12) Mouse mAb产品图

p44/42 MAPK (Erk1/2) (L34F12)

Mouse mAb
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  • 询价
  • Cell Signaling Technology已认证
  • USA
  • 2026年05月28日
  • W, IHC-P, IF-IC, F
  • H,M,R,Mk,Mi,Z,Pg
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    • 详细信息
    • 文献和实验
    • 技术资料
    • 抗体英文名

      p44/42 MAPK (Erk1/2) (L34F12) Mouse mAb

    • 抗原

      synthetic peptide corresponding to the sequence of p42 MAP Kinase

    • 应用范围

      W, IHC-P, IF-IC, F

    • 适应物种

      H,M,R,Mk,Mi,Z,Pg

    • 保质期

      详见说明书

    • 供应商

      CST

    • 级别

      详见MSDS文件

    • 库存

      大量

    • 是否单克隆

      1

    • 保存条件

      -20°c

    • 规格

      100 ul (20 western blots)/carrier free & custom formulation / quantity

    规格:产品价格:¥请询价
    规格:100 ul (20 western blots)产品价格:¥请询价
    规格:carrier free & custom formulation / quantity产品价格:¥请询价

    pathway more info application references datasheet PDF MSDS PDF protocols

    Applications Key:  W=Western Blotting  IHC-P=Immunohistochemistry (Paraffin)  IF-IC=Immunofluorescence (Immunocytochemistry)  F=Flow Cytometry
    Reactivity Key:  H=Human  M=Mouse  R=Rat  Mk=Monkey  Mi=Mink  Z=Zebrafish  Pg=Pig
    Species cross-reactivity is determined by western blot. Species enclosed in parentheses are predicted to react based on 100% sequence homology.

    Applications Reactivity Sensitivity MW (kDa) Isotype
    W IHC-P IF-IC F H M R Mk Mi Z Pg Endogenous 42, 44 Mouse IgG1
    Protocols
    Specificity / Sensitivity

    p44/42 MAP Kinase (L34F12) Mouse mAb detects endogenous levels of total p44/42 MAP kinase (Erk1/Erk2) protein. In some systems this antibody may recognize p42/Erk2 more readily than p44/Erk1. The antibody does not cross-react with JNK/SAPK or p38 MAP kinase.

    Source / Purification

    Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to the sequence of p42 MAP Kinase.

    Western Blotting

    Western Blotting

    Western blot analysis of extracts from NIH/3T3, PC12 and COS cells, using p44/42 MAP Kinase (L34F12) Mouse mAb.

    IHC-P (paraffin)

    IHC-P (paraffin)

    Immunohistochemical analysis of paraffin-embedded human breast carcinoma, using p44/42 MAP Kinase (L34F12) Mouse mAb in the presence of control peptide (left) or p44/42 MAP Kinase Blocking Peptide (#4696 Specific) #1245 (right).

    IHC-P (paraffin)

    IHC-P (paraffin)

    Immunohistochemical analysis of paraffin-embedded human colon carcinoma, showing cytoplasmic and nuclear localization, using p44/42 MAP Kinase (L34F12) Mouse mAb.


    Flow Cytometry

    Flow Cytometry

    Flow cytometric analysis of Jurkat cells, U0126-treated (blue) or PMA-treated (green), using p44/42 MAP Kinase (L34F12) Mouse mAb compared to a nonspecific negative control antibody (red).

    IF-IC

    IF-IC

    Confocal immunofluorescent analysis of NIH/3T3 cells, either U0126-treated (#9903, 10 μM, 2 hour, left) or PDGF-treated (#9909, 100 ng/ml, 20 min, right), using p44/42 MAP Kinase (L34F12) Mouse mAb (green). Actin filaments have been labeled with DY-554 phalloidin (red).

    Background

    Mitogen-activated protein kinases (MAPKs) are a widely conserved family of serine/threonine protein kinases involved in many cellular programs such as cell proliferation, differentiation, motility, and death. The p44/42 MAPK (Erk1/2) signaling pathway can be activated in response to a diverse range of extracellular stimuli including mitogens, growth factors, and cytokines (1-3) and is an important target in the diagnosis and treatment of cancer (4). Upon stimulation, a sequential three-part protein kinase cascade is initiated, consisting of a MAP kinase kinase kinase (MAPKKK or MAP3K), a MAP kinase kinase (MAPKK or MAP2K), and a MAP kinase (MAPK). Multiple p44/42 MAP3Ks have been identified, including members of the Raf family, as well as Mos and Tpl2/Cot. MEK1 and MEK2 are the primary MAPKKs in this pathway (5,6). MEK1 and MEK2 activate p44 and p42 through phosphorylation of activation loop residues Thr202/Tyr204 and Thr185/Tyr187, respectively. Several downstream targets of p44/42 have been identified, including p90RSK (7) and the transcription factor Elk-1 (8,9). p44/42 are negatively regulated by a family of dual-specificity (Thr/Tyr) MAPK phosphatases, known as DUSPs or MKPs (10), along with MEK inhibitors such as U0126 and PD98059.

    1. Roux, P.P. and Blenis, J. (2004) Microbiol Mol Biol Rev 68, 320-44.
    2. Baccarini, M. (2005) FEBS Lett 579, 3271-7.
    3. Meloche, S. and Pouysségur, J. (2007) Oncogene 26, 3227-39.
    4. Roberts, P.J. and Der, C.J. (2007) Oncogene 26, 3291-310.
    5. Rubinfeld, H. and Seger, R. (2005) Mol Biotechnol 31, 151-74.
    6. Murphy, L.O. and Blenis, J. (2006) Trends Biochem Sci 31, 268-75.
    7. Dalby, K.N. et al. (1998) J Biol Chem 273, 1496-505.
    8. Marais, R. et al. (1993) Cell 73, 381-93.
    9. Kortenjann, M. et al. (1994) Mol Cell Biol 14, 4815-24.
    10. Owens, D.M. and Keyse, S.M. (2007) Oncogene 26, 3203-13.
    Application References

    Have you published research involving the use of our products? If so we'd love to hear about it. Please let us know !

    Companion Products

    For Research Use Only. Not For Use In Diagnostic Procedures.

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    图标文献和实验
    相关实验
    • 组化染色背景高?没信号?一篇文章带你快速掌握免疫组化!

      :使用 Anti-phospho-Akt (Ser473) Rabbit mAb 对石蜡包埋的人乳腺癌组织进行免疫组织化学分析。(图 A)使用免疫组化试剂盒M&R HRP/DAB Detection IHC Kit,抗体 1:100 稀释;(图 B) 采用普通免疫组化试剂盒,抗体 1:25 稀释。 图 6 免疫组化实验检测 Erk1/2 表达 注:使用 Anti-Erk1/2 Mouse mAbp44/42 MAPKErk1/2)Rabbit mAb 对正常小鼠心脏组织进行免疫

    • Study of MAPK Signaling Using Knockout Mice

      The p42 and p44 mitogen-activated protein kinases (MAPKs) (p42/p44 MAPK, Erk2 /Erk1) are activated through the small G protein Ras and sequential activation of the protein kinases Raf and MEK on stimulation of cells with a broad range

    • Lentiviral Vectors to Study the Differential Function of ERK1 and ERK2 MAP Kinases

      Accumulating evidence indicates that p44ERK1 and p42ERK2 mitogen-activated protein kinases (MAPKs) have distinct quantitative roles in cell signaling. In our recently proposed model of regulation of ERK1 and ERK2, p42 plays a major role

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