The word "opsogen" has an interesting spelling, which can be better understood through IPA phonetic transcription. It is pronounced as /ˈɒpsədʒɛn/ and refers to a substance that enhances the phagocytic activity of a cell. The spelling of "opsogen" follows the English spelling conventions where the letter "g" is often silent when it comes after the letter "o". The letter "p" and "s" together create the sound "/ps/" which can be seen in other words like "psychology" and "psoriasis".
Opsogen is a term that refers to the process or technique of using optogenetics to selectively activate or inhibit specific cells or neural circuits in biological organisms. Optogenetics combines the use of light and genetic engineering to control the activity of cells that are genetically modified to express light-sensitive proteins, called opsins. Opsins are typically derived from microbes, such as algae or bacteria, and they respond to specific wavelengths of light.
By using opsins, researchers can stimulate or silence neurons in living organisms with a high level of precision and control. Opsogen offers a powerful tool for scientists to investigate how neural circuits contribute to various biological processes, including behavior, cognition, and diseases. It can provide insights into the underlying mechanisms of diseases and potentially lead to novel therapeutic approaches.
Opsogenetic techniques require the delivery and expression of opsins in specific cells or regions of interest, and then the use of light to activate or inhibit their activity. This can involve using specialized equipment, such as fiber optic cables or implanted devices, to deliver light to the target cells. The precise manipulation of neural activity facilitated by opsogen has revolutionized the field of neuroscience and opened up new avenues for understanding the complexities of the brain and nervous system.
Opsinogen.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.