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Peter Hegemann Nobel Prize in Medicine award

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2026-10-16 21:08 UTC → 2026-10-17 14:11 UTC · added ~~removed~~

German researcher and biophysicist Peter Hegemann has been awarded the 2026 Nobel Prize in Physiology or Medicine for his work in optogenetics. Hegemann shares the prize with Georg Nagel and Karl Deisseroth. The award recognizes their collective discoveries regarding light-controlled ion channels, specifically through the study of Chlamydomonas algae. Hegemann and Nagel identified a light-responsive protein called channelrhodopsin on the algae’s surface, which creates an electrical impulse when exposed to blue light. Deisseroth subsequently applied this discovery to neuroscience by splicing the gene into neurons, enabling the remote control of neural circuits in living organisms. In addition to the laureates, the scientific community has highlighted the foundational work of Dr. Zhuo-Hua Pan of Wayne State University. According to the Nobel Committee’s official scientific background documentation, Pan was among the first in 2004 to demonstrate that microbial light-sensitive proteins could be genetically inserted into mammalian neurons to trigger activity in response to light. This research enables scientists to use light to control the activity of specific cells, such as neurons, which offers new potential for studying neurological and sensory conditions like dementia, depression, addiction, and blindness. The technology has revolutionized the study of brain organization and behavior by providing a tool to isolate neural pathways responsible for various conditions, including those governing memory and emotion.

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