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| Spermidine : Polyamine (natural small molecule) Sources: Found in foods like wheat germ, soybeans, mushrooms, aged cheese, and fermented foods. Typical dietary intake is ~5–20 mg/day.Top food sources = wheat germ > soybeans > aged cheddar > mushrooms > rice bran/legumes. Ripening / fermentation: especially in aged or fermented foods like cheese, where spermidine and other polyamines can rise during ripening because microbial activity and protein breakdown contribute to amine formation. That is one reason aged cheeses can rank unusually high. Cooking: boiling and grilling significantly reduced polyamine content in many foods, whereas microwave and sous-vide tended to preserve more. Primary Actions: Autophagy induction, mild ROS modulation, epigenetic regulation, and modulation of polyamine metabolism. Pathway Effect of Spermidine Autophagy (ATG genes) ↑ Induction, Beclin-1 activation mTORC1 signaling ↓ Inhibition, promotes catabolic metabolism p53/p21 Modulation via epigenetic changes Polyamine metabolism Supports or stresses proliferating cells ROS / redox balance Mild modulation; sensitizes cancer cells to ROS stressContext-dependent risk: High spermidine levels might support tumor growth in polyamine-addicted cancers; dose, timing, and tumor type matter. Chemo interaction: Generally compatible; not expected to block ROS-dependent therapy at oral doses. Spermidine, a biogenic polyamine that declines along with aging, shows promise in restoring antitumor immunity by enhancing mitochondrial fatty acid oxidation (FAO) Spermidine — Cancer vs Normal Cell Effects
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| Cytochrome c ** The term "release of cytochrome c" ** an increase in level for the cytosol. Small hemeprotein found loosely associated with the inner membrane of the mitochondrion where it plays a critical role in cellular respiration. Cytochrome c is highly water-soluble, unlike other cytochromes. It is capable of undergoing oxidation and reduction as its iron atom converts between the ferrous and ferric forms, but does not bind oxygen. It also plays a major role in cell apoptosis. The term "release of cytochrome c" refers to a critical step in the process of programmed cell death, also known as apoptosis. In its new location—the cytosol—cytochrome c participates in the apoptotic signaling pathway by helping to form the apoptosome, which activates caspases that execute cell death. Cytochrome c is a small protein normally located in the mitochondrial intermembrane space. Its primary role in healthy cells is to participate in the electron transport chain, a process that helps produce energy (ATP) through oxidative phosphorylation. Mitochondrial outer membrane permeability leads to the release of cytochrome c from the mitochondria into the cytosol. The release of cytochrome c is a pivotal event in apoptosis where cytochrome c moves from the mitochondria to the cytosol, initiating a chain reaction that leads to programmed cell death. On the one hand, cytochrome c can promote cancer cell survival and proliferation by regulating the activity of various signaling pathways, such as the PI3K/AKT pathway. This can lead to increased cell growth and resistance to apoptosis, which are hallmarks of cancer. On the other hand, cytochrome c can also induce apoptosis in cancer cells by interacting with other proteins, such as Apaf-1 and caspase-9. This can lead to the activation of the intrinsic apoptotic pathway, which can result in the death of cancer cells. Overexpressed in Breast, Lung, Colon, and Prostrate. Underexpressed in Ovarian, and Pancreatic. |
| 4897- | Sper, | Spermidine as a promising anticancer agent: Recent advances and newer insights on its molecular mechanisms |
| - | Review, | Var, | NA |
| 4894- | Sper, | Application of Spermidine in Cancer Research Models: Notes and Protocols |
| - | Review, | Var, | NA |
| 4891- | Sper, | Spermidine as a promising anticancer agent: Recent advances and newer insights on its molecular mechanisms |
| - | Review, | Var, | NA | - | Review, | AD, | NA |
Query results interpretion may depend on "conditions" listed in the research papers. Such Conditions may include : -low or high Dose -format for product, such as nano of lipid formations -different cell line effects -synergies with other products -if effect was for normal or cancerous cells
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