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MAPK Signaling

The mitogen-activated protein kinase (MAPK) is a highly conserved family of serine/threonine kinases that mediate a board range of cellular processes, including proliferation, differentiation, motility, migration, stress response, apoptosis and survival. The activation of MAPK involves signaling pathways consisting of MAPK kinase (i.e. MAPKKK or MEKK) that activates MAPK/ERK (i.e. MAPKK or MEK). A variety of extracellular signals such as mitogens, cytokines, growth factors, and environmental stressors stimulate a phosphorylation-dependent increase in the activity of MAPK.

Activated MAPKs transduce the phosphorylation and activation of MAPK-activated protein kinases (MAPKAPKs), e.g. RSK, MSK, or MNK family, and MK2/3/5. There are three main MAPK families, signal-regulated kinase 1 and 2 (Erk1/2 or p44/42), the c-Jun N-terminal kinases 1-3 (JNK1-3)/ stress activated protein kinases (SAPK1A, 1B, 1C), the p38 isoforms (p38α, β, γ, and δ). ERK signaling is involved in cell division, migration and survival. p38 MAPK and JNK/SAPK pathways are activated by cellular stress. The p38 MAPK pathway regulates cell motility, transcription, and chromatin remodeling. JNK/SAPK signaling affects apoptosis and inflammation. Dysregulation of MAPK pathway results in tumorgenesis and other pathological conditions.

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  1. SD 169
    Catalog No. :
    C5850
    selective ATP competitive inhibitor of the MAP kinases p38α and p38β
  2. 8-CPT-Cyclic AMP (sodium salt)
    Catalog No. :
    C5489
    lipophilic activator of the cyclic-AMP- and cyclic-GMP-dependent protein kinases, PKA and PKG
  3. RWJ 67657
    Catalog No. :
    C5316
    orally active inhibitor of the MAP kinases p38α and p38β
  4. MK2 Inhibitor IV
    Catalog No. :
    C5545
    highly selective, non-ATP competitive MK2 inhibitor
  5. BMS-582949 hydrochloride
    Catalog No. :
    B7850
    p38 MAPK inhibitor
  6. SB 202474
    Catalog No. :
    C4949
    a negative control in studies of p38 inhibition
  7. LL-Z 1640-4
    Catalog No. :
    C5106
    A signal-specific JNK/p38 pathway and TAK 1 inhibitor
  8. H-8 (hydrochloride)
    Catalog No. :
    C4683
    potent inhibitor of PKA and PKG
  9. Kemptide
    Catalog No. :
    C4308
    substrate for cAMP-dependent protein kinase (PKA)
  10. PD 184161
    Catalog No. :
    C4361
    MEK1/2 inhibitor

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