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Plastoquinone (PQ) is a terpenoid-quinone (meroterpenoid) molecule involved in the electron transport chain in the light-dependent reactions of photosynthesis. The most common form of plastoquinone, known as PQ-A or PQ-9, is a 2,3-dimethyl-1,4- benzoquinone molecule with a side chain of nine isoprenyl units.
[3] [1] [6] [10] Gel characteristics include stability, thermodynamic activity, and occlusive properties. [3] [1] [10] Following penetration through the skin barrier, the drug may permeate through deeper skin tissues and reach the blood capillaries in the dermis. [6] [9] It may then proceed to enter the systemic circulation for systemic effect ...
Ubiquinone-10 is a naturally occurring 1,4-benzoquinone involved in respiration apparatus. Plastoquinone is a redox relay involved in photosynthesis. Pyrroloquinoline quinone is another biological redox cofactor. Ubiquinones, as their name implies, are ubiquitous in living creatures, being components of respiratory apparatus.
Coenzyme Q 10 (CoQ 10 / ˌ k oʊ k j uː ˈ t ɛ n /), also known as ubiquinone, is a naturally occurring biochemical cofactor (coenzyme) and an antioxidant produced by the human body. [ 1 ] [ 2 ] [ 3 ] It can also be obtained from dietary sources, such as meat, fish, seed oils, vegetables, and dietary supplements .
In major injuries, the repair mechanisms are unable to restore the skin to its original condition. The repaired region contains an abnormally large number of collagenous fibers, and relatively few blood vessels. Damaged sweat and sebaceous glands, hair follicles, muscle cells, and nerves are seldom repaired.
In the early 2000s, a group of researchers led by prof V. P. Skulachev in Moscow State University began the development of SkQ — the mitochondrial-targeted antioxidant, similar to MitoQ, but with the ubiquinone replaced with plastoquinone (more active analog of ubiquinone derived from plant chloroplasts). [9]