Sam's News — health — 2026-10-05¶
Science¶
8.5 US-German Trio Wins 2026 Nobel Prize in Medicine for Optogenetics¶
Karl Deisseroth, Peter Hegemann, and Georg Nagel won the 2026 Nobel Prize in Physiology or Medicine for discovering light-gated ion channels and developing optogenetics, a technique combining optical and genetic methods to stimulate neurons non-invasively. Optogenetics has revealed neural circuits governing memory, emotion, and behavior, with clinical applications for treating blindness, depression, Parkinson's disease, and other neurological disorders.
- Three recipients: Deisseroth (Stanford), Hegemann (Humboldt), Nagel (Würzburg)
- Optogenetics uses light to control individual neurons within milliseconds
- Potential applications: blindness restoration, depression, Parkinson's, epilepsy, dementia
- Prize worth 12 million Swedish kronor (~€1M or $1.2M)
- Awards presentation December 10, 2026 in Stockholm
- Discovered channelrhodopsin: light-sensitive protein from algae
- Enables neuron control within milliseconds using blue light pulses
- Maps neural circuits governing behaviors, memories, feelings, disease states
- Deisseroth HHMI Investigator since 2014; 36th current/alumni HHMI Nobel laureate
- Optogenetics now used worldwide; transformed neuroscience research
Sources: Deutsche Welle AI Web Searched, Phys.org RSS, STAT News RSS, Howard Hughes Medical Institute (HHMI) AI Web Searched, KIMT News 3 AI Web Searched, The New York Times RSS
Oncology¶
7.5 Researchers Identify MEK Pathway to Combat T-Cell Exhaustion in Cancer Therapy¶
Memorial Sloan Kettering researchers identified that excessive MEK signaling drives T cell exhaustion in cancer immunotherapy. Blocking MEK with FDA-approved inhibitors helped T cells conserve energy and remain active longer in tumor microenvironments, suggesting potential for human trials to enhance immunotherapy effectiveness and prevent treatment fade.
- Excessive MEK activity forces T cells to burn through energy, leading to terminal exhaustion
- Blocking MEK with inhibitors helped T cells conserve energy and survive longer
- FDA-approved MEK inhibitors could potentially be tested in human trials
- Research published in Immunity journal
Sources: ScienceDaily AI Web Searched, ScienceDaily — Health RSS
Pharma¶
7.5 Vaxcyte Pneumococcal Vaccine Succeeds in Phase 3 Trial Against Pfizer, Merck¶
Vaxcyte announced that its experimental pneumococcal vaccine VAX-31 achieved primary endpoints in Phase 3 trials, protecting against 31 strains compared to 20 for Pfizer's Prevnar and 21 for Merck's Capvaxive. The trial enrolled 3,500+ adults age 50+ and measured antibody response across strains, positioning the biotech to compete with established players.
- VAX-31 protects against 31 pneumococcal serotypes vs Prevnar (20) and Capvaxive (21)
- Phase 3 trial enrolled 3,500+ adults age 50 and older
- Trial measured antibody response strength against different strains
- Vaxcyte is California-based biotech competitor to Pfizer and Merck
Sources: STAT News AI Web Searched
Genetics¶
7 Discovery of Mobile BC200 Gene in Human Brain Cells¶
Cornell University scientists discovered BC200, a human brain gene evolved from ancient mobile DNA (transposon) that retained the ability to move through the genome—a combination never before observed in a human gene. BC200 is expressed mainly in neurons and appears to regulate protein translation, with potential implications for inheritance through germ cells.
- BC200 evolved from transposon but retained mobility and functional cellular role (rare)
- Expressed mainly in neurons; appears to regulate mRNA-to-protein translation
- Also appears at low levels in germ cells (sperm/eggs), suggesting inheritance potential
- Found embedded in molluscum contagiosum virus (MCV), indicating cross-species jumping
- ~50% of human genome is transposon-derived DNA; most elements no longer active
- Published in Science, September 24, 2026
Sources: ScienceDaily AI Web Searched, ScienceDaily — Health RSS
Health¶
7 Can cancer vaccines become a universal treatment for all cancers?¶
A science overview examines which cancers may eventually be preventable or treatable through vaccines and which will require alternative approaches.
Sources: STAT News RSS
7 Nanoparticle Therapy Targets Lung Cancer and Cachexia Simultaneously¶
A follistatin mRNA nanoparticle therapy reduced lung tumors while addressing cancer-related muscle wasting in mice.
Sources: ScienceDaily — Health RSS
7 Divergent cancer vaccine trial results raise questions about mRNA approach¶
A successful melanoma vaccine trial contrasts with earlier setbacks, prompting the field to grapple with whether mRNA technology is suitable for cancer vaccines overall.
Sources: STAT News RSS
Metabolism¶
6.5 Seven-Day Fasting Study Reveals Major Metabolic Changes in Human Body¶
Scientists found that prolonged fasting triggers significant physiological changes, with the most notable effects appearing after three days without food.
Sources: ScienceDaily — Health RSS, ScienceDaily — Fitness RSS, ScienceDaily — Nutrition RSS
Neuroscience¶
6.5 Vagus Nerve Stimulation Enhances Motor Learning in Neuroscience Study¶
Stimulating the vagus nerve after practice sessions strengthened long-term motor learning in mice through rhythmic blood vessel changes in the brain.
Sources: ScienceDaily RSS, ScienceDaily — Health RSS
Cell Biology¶
6.5 E-Cadherin Protein Enables Epithelial Cell Engulfment of Dead Cells¶
Scientists discovered that E-cadherin, the protein that binds cells together, also enables epithelial cells to engulf nearby dead cells.
Sources: ScienceDaily RSS, ScienceDaily — Health RSS