Serine/threonine kinase which acts as an essential component of the MAP kinase signal transduction pathway. MAPK1/ERK2 and MAPK3/ERK1 are the 2 MAPKs which play an important role in the MAPK/ERK cascade. They participate also in a signaling cascade initiated by activated KIT and KITLG/SCF. Depending on the cellular context, the MAPK/ERK cascade mediates diverse biological functions such as cell growth, adhesion, survival and differentiation through the regulation of transcription, translation, cytoskeletal rearrangements. The MAPK/ERK cascade plays also a role in initiation and regulation of meiosis, mitosis, and postmitotic functions in differentiated cells by phosphorylating a number of transcription factors. Moreover, the MAPK/ERK cascade is also involved in the regulation of the endosomal dynamics, including lysosome processing and endosome cycling through the perinuclear recycling compartment (PNRC); as well as in the fragmentation of the Golgi apparatus during mitosis.
背景文献
1. Wortzel I et al. The ERK cascade: distinct functions within various subcellular organelles. Genes Cancer 2:195-209 (2011).
2. Ohori M et al. Role of a cysteine residue in the active site of ERK and the MAPKK family. Biochem Biophys Res Commun 353:633-637 (2007).
3. Ohori M et al. Identification of a selective ERK inhibitor and structural determination of the inhibitor-ERK2 complex. Biochem Biophys Res Commun 336:357-363 (2005).
Western blot analysis of ERK2 on different lysates with Mouse anti-ERK2 antibody (HA601202) at 1/1,000 dilution.
Lane 1: HeLa cell lysate (20 µg/Lane) Lane 2: Jurkat cell lysate (20 µg/Lane) Lane 3: A549 cell lysate (20 µg/Lane) Lane 4: A431 cell lysate (20 µg/Lane) Lane 5: HepG2 cell lysate (20 µg/Lane) Lane 6: HEK-293 cell lysate (20 µg/Lane) Lane 7: NIH/3T3 cell lysate (20 µg/Lane) Lane 8: RAW264.7 cell lysate (20 µg/Lane) Lane 9: C6 cell lysate (20 µg/Lane) Lane 10: PC-12 cell lysate (20 µg/Lane)
Predicted band size: 41 kDa Observed band size: 41 kDa
Exposure time: 3 minutes;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA601202) at 1/1,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Alpaca Anti-Mouse IgG - HRP for IP Nano-Secondary Antibody (NBI02H) at 1/5,000 dilution was used for 1 hour at room temperature.
Western blot analysis of ERK2 on different lysates with Mouse anti-ERK2 antibody (HA601202) at 1/1,000 dilution.
Lane 1: Human brain tissue lysate (40 µg/Lane) Lane 2: Mouse brain tissue lysate (40 µg/Lane) Lane 3: Rat brain tissue lysate (40 µg/Lane)
Predicted band size: 41 kDa Observed band size: 41 kDa
Exposure time: 1 minute 2 seconds;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA601202) at 1/1,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Alpaca Anti-Mouse IgG - HRP for IP Nano-Secondary Antibody (NBI02H) at 1/5,000 dilution was used for 1 hour at room temperature.
☑ Knockdown (KD)
Western blot analysis of ERK2 on different lysates with Mouse anti-ERK2 antibody (HA601202) at 1/2,000 dilution.
Lane 1: A549-si NT cell lysate (10 µg/Lane) Lane 2: A549-si ERK2 cell lysate (10 µg/Lane)
Predicted band size: 41 kDa Observed band size: 41 kDa
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA601202) at 1/2,000 dilution was used in 5% NFDM/TBST at room temperature for 2 hours. Goat Anti-Mouse IgG - HRP Secondary Antibody (HA1006) at 1/50,000 dilution was used for 1 hour at room temperature.
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