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| ==History== | ==History== | ||
| The concept of electronically-activated species as messengers in both normal metabolism and in pathogenesis goes back to the 19th century. E.g., the biological pigment ] is a stable free radical. Darwin noted that white blued-eyed cats are usually deaf and that this may be secondary to some defect in neuronal development secondary to the absence of melanin pigment. Similarly, it has been known for centuries that radical-generating transition-series metals such as interocular copper or iron may produce massive vitreous fibrosis (scarring) as they oxidize. We now know that reactive oxygen species |
The concept of electronically-activated species as messengers in both normal metabolism and in pathogenesis goes back to the 19th century. E.g., the biological pigment ] is a stable free radical. Darwin noted that white blued-eyed cats are usually deaf and that this may be secondary to some defect in neuronal development secondary to the absence of melanin pigment. Similarly, it has been known for centuries that radical-generating transition-series metals such as interocular copper or iron may produce massive vitreous fibrosis (scarring) as they oxidize. We now know that likely play a key role in fibrocyte activation. | ||
| ==External links== | ==External links== | ||
Revision as of 21:37, 1 August 2006
Redox signaling is the concept that free radicals, reactive oxygen species (ROS), and other electronically-activated species act as messengers in biological systems.
History
The concept of electronically-activated species as messengers in both normal metabolism and in pathogenesis goes back to the 19th century. E.g., the biological pigment melanin is a stable free radical. Darwin noted that white blued-eyed cats are usually deaf and that this may be secondary to some defect in neuronal development secondary to the absence of melanin pigment. Similarly, it has been known for centuries that radical-generating transition-series metals such as interocular copper or iron may produce massive vitreous fibrosis (scarring) as they oxidize. We now know that likely play a key role in fibrocyte activation.
External links
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