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. 2022 Mar 25;13:820806. doi: 10.3389/fphar.2022.820806

FIGURE 7.

FIGURE 7

Mechanism of curcumin in regulation of cancer proliferation. TGF-β1/smad3, IGF, PI3K/Akt, Wnt/β-catenin, and vascular endothelial growth factor (VEGF) are some of the signaling pathways and molecular targets that curcumin modulates to inhibit cancer. Blocking these receptors has the potential to reduce chronic inflammation and oxidative damage. DSH and AXIN are recruited once the WNT binds to LRP 5/6, producing the β-catenin destruction complex. β-catenin that has escaped into the nucleus promotes the transcription of genes including cyclin D1 and P13k, which promote cell proliferation and growth. IGF-1R, Insulin-like growth factor 1 receptor; TGF-β1, Transforming growth factor beta 1; WNT, Wingless/integrated; LRP 5/6, Low-density lipoprotein receptor-related protein 5/6; Smad, small mothers against decapentaplegic; Ras, Rat sarcoma virus; Raf, Rapidly Accelerated Fibrosarcoma; MEK 1/2, Mitogen-activated protein kinase 1/2; ERK ½, Extracellular-signal-regulated kinase ½; P13K, Phosphoinositide 3-kinases; Akt, Ak strain transforming; mTOR, mammalian target of rapamycin; TCF/LEF, T-cell factor/lymphoid enhancer factor; FZD, Frizzled; DSH, Dishevelled; AXIN, Axis Inhibitor; APC, Adenomatous polyposis coli; GSK-3β, Glycogen synthase kinase-3 beta; CK-1, casein kinase 1.