Story perspectives

Study Links Nerve Damage to Early Smell Loss in Alzheimer's

9/1/2025

32 3

Summary

Story summary

A study in Nature Communications indicates that nerve fiber damage from immune responses may lead to early smell loss in Alzheimer’s disease.
Researchers discovered that microglia erroneously target nerve fibers critical for odor perception, signaling early Alzheimer’s changes.
These findings may facilitate earlier treatment with amyloid-beta antibodies, enhancing patient outcomes.
The study analyzed data from mice, deceased patients, and PET scans of Alzheimer’s patients.

1 of 1

Story summary

A study in Nature Communications indicates that nerve fiber damage from immune responses may lead to early smell loss in Alzheimer’s disease.
Researchers discovered that microglia erroneously target nerve fibers critical for odor perception, signaling early Alzheimer’s changes.
These findings may facilitate earlier treatment with amyloid-beta antibodies, enhancing patient outcomes.
The study analyzed data from mice, deceased patients, and PET scans of Alzheimer’s patients.