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Restrict the search for
tyrosine
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Status:
Other
Class (Stereo):
CHEMICAL (ACHIRAL)
CEP-33779 is a selective JAK2 inhibitor (IC50 of 1.8 nM) developed by Cephalon, Inc for treating autoimmune disease (rheumatoid arthritis, lupus nephritis) and cancer. CEP-33779 orally administrated with 55 mg/kg inhibits phosphorylation of STAT5 in HEL92 tumor extracts from HEL92 xenograft mice. CEP33779 orally administered twice daily at the dose of 55 mg/kg reduces mean paw edema and clinical scores in mice with collagen-antibody-induced arthritis (CAIA) or collagen-induced arthritis (CIA). CEP-33779 orally administered twice daily at the dose of 55 mg/kg totally inhibits paw phospho-STAT3 expression in CAIA or CIA mice, associated with decreased cytokines including IL-12, IFNγ, IL-2, IL-1β, TNFα, and GM-CSF. CEP33779 results in reduced bone degradation, reduced tissue destruction, and reduced osteoarthritis in a dose-dependent manner in CAIA or CIA mice. CEP33779 orally administrated at 100 mg/kg extends survival and reduces splenomegaly/lymphomegaly in MRL/lpr systemic lupus erythematosus mice, thus protect mice from developing glomerulonephritis. CEP-33779 orally administrated at 100 mg/kg decreases several SLE-associated proinflammatory cytokines and reduces levels of a bone resorption biomarker associated with increased osteoclast activity in MRL/lpr systemic lupus erythematosus mice. CEP33779 orally administered twice daily at the dose of 55 mg/kg induces regression of established colorectal tumors, reduces angiogenesis, and reduces proliferation of tumor cells in a mouse model of colitis-induced colorectal cancer. Tumor regression correlated with inhibition of STAT3 and NF-κB (RelA/p65) activation, and decreased the expression of proinflammatory, tumor-promoting cytokines interleukin (IL)-6 and IL-1β
Status:
Other
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Chrysophanic acid (Chrysophanol) is a member of the anthraquinone family abundant in rhubarb, a widely used herb for obesity treatment in Traditional Korean Medicine. Chrysophanol has been shown to induce cell death in different types of cancer cells. Chrysophanol inhibits EGF-induced phosphorylation of EGFR and suppresses activation of AKT and mTOR/p70S6K. Chrysophanol also effectively suppresses breast cancer cell proliferation and facilitates chemosentivity through modulation of the NF-κB signaling pathway. A treatment of chrysophanol could reduce significantly the
clinical signs and the levels of inflammatory mediators in a colitis model caused by DSS treatment.
The anti-inflammatory activities of chrysophanol could be attributed, at least in part, to
the inhibition of proinflammatory cytokine production (TNF-α and IL-6), COX-2, and iNOS protein
expression. These effects of chrysophanol are caused by the inhibition of LPS-induced NF-κB
activation, IκB-α degradation, and caspase-1 activation. These results provide experimental evidence
showing that chrysophanol might prove useful in the treatment of inflammatory diseases.
![Structure of [5-D-tyrosine]buserelin](/img/bff7b120-56cf-4290-bd31-28198d844141.svg?size=200&context=ydbxlvmnsa)
