AhR	aryl hydrocarbon receptor
AID	autoimmune disease
APS	anti-phospholipid syndrome
ATL	adult T-cell leukemia
BCA	B cell-attracting
BLEL	benign lymphoepithelial lesion
CAEBV	chronic active EBV
CMV	cytomegalovirus
CXCL	C-X-C motif chemokine ligand
DILS	diffuse infiltrative lymphocytosis syndrome
EA	early antigen
EBER	EB encoding region
EBNA	EB nuclear antigen
EBV	Epstein-Barr virus
EBVCA	EBV capsid antigen
ELISA	enzyme-linked immunosorbent assay
ELS	ectopic lymphoid structures
ESSDAI	EULAR Sjögren’s Syndrome Disease Activity Index
FasL	Fas ligand
GC	germinal center
GBS	Guillain-Barré Syndrome
HAART	highly active anti-retroviral therapy
HHV	human herpes virus
HIV	human immunodeficiency virus
HLA	human leukocyte antigen
HRV	human retrovirus
HTLV-1	human T-cell leukemia virus type 1
HRES	human endogenous retroviral sequence
ICAM	intracellular adhesion molecule
IFN	interferon
IHC	immunohistochemistry
IL	interleukin
IP	interferon-γ-inducible 10-kD protein
IRF	IFN-regulatory factor
ISH	in situ hybridization
LFA	lymphocyte function-associated antigen
LG	lacrimal gland
LSG	labial salivary gland
LMP	latent membrane protein
LPD	lymphoproliferative disorder
MALT	mucosa-associated lymphoid tissues
MAPK	mitogen activated protein kinase
MDA	melanoma differentiation associated gene
MHC	major histocompatibility complex
MNC	mononuclear cell
MTX	methotrexate
MZL	marginal zone lymphoma
NHL	non-Hodgkin’s lymphoma
NOD	nucleotide-binding oligomerization domain
NLR	(NOD)-like receptor
PAMP	pathogen-associated molecular pattern
pDC	plasmatoid dendritic cell
PCR	polymerase chain reaction
PCs	plasma cells
PVL	proviral load
RA	rheumatoid arthritis
RANTES	regulated on activation, normal T cell expressed and secreted
RF	rheumatoid factor
RIG-I	retinoic acid inducible gene-I
RLR	RIG-I-like receptor
RNA	ribonucleic acid
SG	salivary gland
SGEC	SG epithelial cell
SLE	systemic lupus erythematosus
SLS	SS-like syndrome
SS	Sjögren’s syndrome
TCDD	tetrachlorodibenzo-p-dioxin
TCR	T-cell receptor
TEC	thymic epithelial cell
Tg	transgenic
TLR	toll-like receptor
TNF	tumor necrosis factor
TRX	thioredoxin
TUNEL	terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling
XIAP	X-chromosome-linked inhibitor of apoptosis protein
WKAH	Wistar-King-Aptekman-Hokudai