SLE Flashcards
do M or F get more SLE?
F
what are the two HLA genes that contribute to lupus?
prob HLA DR2 and 3
what t cells increase in SLE?
T2 and T17
what happens to B cells in SLE?
defective signaling and autoantibody production
what are C3/C4 levels in SLE?
commonly lower
what is the hallmark ab in SLE?
antinuclear antibodies
are anti nuclear abs sensitive or specific?
only sensitive
what is most reliable way to test for ANA?
IF
aside from ANA, what are other abs for SLE?
anti ds DNA and anti smith
what is test for finding anti ds DNA/
crithidia lucilae IF
when do autoantibodies show up in SLE?
often prior to onset
what are the three phases of SLE disease?
initiation
amplification and perpetuation
irreversible damage
what are signs of SLE flares? (4)
complement consumption
rising anti ds DNA titers
increased ESR
new lymphopenia
what are non specific symptoms of SLE?
fatigue, pain, memory, depression
what are consititutional symptoms of SLE?
malaise fatigue fever myalgia anorexia/weight loss