Kaempferol (KMF)

Kaempferol is a natural flavonol, a type of flavonoid, widely distributed in plant-based foods such as kale, broccoli, tea, and beans [17]. In the context of pharmacology, Kaempferol is recognized as a bioactive small molecule (ligand) rather than a primary therapeutic target like a receptor or enzyme [12]. It is extensively studied for its potent antioxidant, anti-inflammatory, and anticancer properties, which it exerts by modulating key intracellular signaling cascades [1, 9]. Specifically, it has been shown to inhibit pro-inflammatory cytokines, induce apoptosis in various cancer cell lines, and suppress angiogenesis by regulating pathways such as PI3K/Akt and MAPK [2, 4, 5]. At the molecular level, Kaempferol can directly interact with and inhibit specific protein kinases, including Src and Syk, by competing for their ATP-binding sites [6, 7]. Despite its significant therapeutic potential demonstrated in preclinical models for treating chronic diseases such as cancer and neurodegeneration, its translation into clinical practice is currently limited by its poor water solubility, low oral bioavailability, and rapid systemic metabolism [4, 11]. Research continues to focus on novel drug delivery systems, such as nano-encapsulation, to enhance its efficacy and pharmacokinetic profile [1, 4].

Other names

3,4',5,7-Tetrahydroxyflavone3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-oneRobigeninPopulnetinPelargidenolonRhamnolutein

As a bioactive compound, Kaempferol modulates multiple signaling pathways by inhibiting the PI3K/Akt, MAPK, and NF-κB cascades and directly binding to the ATP-binding pockets of various kinases, such as Src, Syk, and IRAK1/4, to suppress their enzymatic activity [2, 6, 7].