20200128: ICC IgM SH-SY5Y neurons (GBS patients – IGOS)

Samples:

  • GBS IGOS 51-99
  • Negative control
  • Positive control (GBS IGOS 5)

Protocol:

  • Cells seeded on 23.01.20, differentiated on 24.01.20 and 27.01.20
  • Fix for 15 minutes with PFA 4 %
  • Wash 3 times with PBS1x
  • Block for 1 hour with Goat Serum 5 %
  • Patient’s sera
    • For IgM: diluted 1/40 in Goat serum 5 % (1 h)
  • Wash 3 times with PBS1x
  • Commercial antibody: anti-NF (AF3235) diluted 1/200 in Goat serum 5% (1h)
  • Wash 3 times with PBS1x
  • Secondary antibodies: GAC594 IgG + GAH488 IgM diluted 1/500 in Goat serum 5 % (1 h)
  • Wash 3 – 6 times with PBS1x (NO H2Od)
  • Vectashield mounting medium

RESULTS:

  • 53 ++
  • 58 +
  • 62, 63 repetir
  • 65 +
  • 67 +
  • 71 ++
  • 75 +
  • 77 +
  • 78 +++
  • 79 +++
  • 85 +
  • 87 ++ / +++
  • 94 +
  • 95 +++
  • 96 +
  • 98 +
  • 5 +++
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