20190927: ICC CNTN1/Caspr1 in CIDP patients (HEK + Lec1 cells)

a) CNTN1/Caspr1 co-transfected HEK

  • Blocking solution: goat 5%
  • Patients’ sera diluted 1:100
  • Ac anti-Caspr1 diluted 1/250
  • GAH 594 IgG and GAR 488 IgG diluted 1/1000
  • Vectashield mounting medium

RESULTS

  • negative control: negative
  • Vieira: positive
  • 19186: positive

b) Caspr1-transfected HEK

  • Blocking solution: goat 5%
  • Patients’ sera diluted 1:100
  • Ac anti-Caspr1 diluted 1/250
  • GAH 594 IgG and GAR 488 IgG diluted 1/1000
  • Vectashield mounting medium

RESULTS

  • negative control: negative
  • 16047: negative (FOTO)
  • 19186: negative
  • Piffort (positive control) ++

c) CNTN1/Caspr1 co-transfected Lec1 (Caspr mAb)

  • Blocking solution: goat 5%
  • Patients’ sera diluted 1:100
  • Ac anti-Caspr1 diluted 1/250
  • GAH 594 IgG and GAR 488 IgG diluted 1/1000
  • Vectashield mounting medium

RESULTS:

  • negative control: negative
  • 19186: positive ++, POOR COLOCALIZATION WITH CASPR1

d) CNTN1/Caspr1 co-transfected Lec1 (CNTN1 mAb)

  • Blocking solution: rabbit serum 1:40 in PBS
  • Patients’ sera diluted 1:100 (rabbit serum 1:40 in PBS)
  • Ac anti-CNTN1 diluted 1/1000
  • RAH 594 IgG and RAG 488 IgG diluted 1/1000
  • Vectashield mounting medium

RESULTS:

  • negative control: negative
  • 19186: positive ++, MODERATE COLOCALIZATION WITH CNTN1

e) Caspr1 transfected Lec1

  • Blocking solution: goat 5%
  • Patients’ sera diluted 1:100
  • Ac anti-Caspr1 diluted 1/250
  • GAH 594 IgG and GAR 488 IgG diluted 1/1000
  • Vectashield mounting medium

RESULTS:

  • negative control: negative
  • 19186: negative
  • Piffort: positive ++, POOR COLOCALIZATION WITH CASPR1

f) CNTN1 transfected Lec1

  • Blocking solution: rabbit serum 1:40 in PBS
  • Patients’ sera diluted 1:100 (rabbit serum 1:40 in PBS)
  • Ac anti-CNTN1 diluted 1/1000
  • RAH 594 IgG and RAG 488 IgG diluted 1/1000
  • Vectashield mounting medium

RESULTS:

  • negative control: negative
  • 19186: negative
  • 15198 (CNTN1+): positive



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