Abbreviations
MS - Multiple sclerosis
CNS - Central nervous system
HC - Healthy control
Tfh - Follicular T helper cells
cTfh - Circulating T follicular helper
Tfreg - Follicular regulatory T cells
CD - Cluster of differentiation
CXCR5 - Chemokine receptor type 5
CCR - Chemokine receptor
ICOS - Inducible T cell co-stimulator
PD-1 - Program death 1
Bcl-6 - B cell lymphoma 6
FoxP3 - Forkhead box P3
GC - Germinal center
SLE - Systemic lupus erythematous
RA - Rheumatoid arthritis
MG- Myasthenia gravis
PBMC Peripheral blood mononuclear cell
ICS Intracellular cytokine staining