Video 5. SEVI and O. garnettii SEM2 repeat fibrils inhibit sperm motility, whereas Aβ(1–42) fibrils do not.
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DOI: 10.7554/eLife.24888.016
Motile spermatozoa were examined for motility before and 10 min after perfusion with 50 µg/ml SEVI fibrils (A), O. garnettii (Galago) SEM2 repeat fibrils (B), or Aβ(1–42) fibrils (C). An Aβ(1–42) fibril concentration of 100 µg/ml, corresponding to an equimolar amount of 50 µg/ml SEM1(86–107), was also tested and did not inhibit sperm motility (data not shown).