Proteins/antibodies associated w/ conditions Flashcards
Primary biliary cirrhosis
Anti-mitochondrial Abs (AMA) (90%)
Anti-nuclear Abs (70%)
Anti-mitochondrial Abs (AMA)
Primary biliary cirrhosis (90%)
Anti-nuclear Abs (ANA)
Suspected CVD SLE (including drug-induced lupus) Rheumatoid arthritis Polymyositis or dermatomyositis Type 1 autoimmune hepatitis Primary biliary cirrhosis (70%)
SLE
Anti-nuclear Abs (ANA) (very sensitive, 95%)
Anti-ds DNA Abs (very specific, esp nephritis)
Anti-Smith Abs (very specific, only 30-50%)
False positive RPR
Type 1 autoimmune hepatitis
Anti smooth muscle antibodies
Anti-nuclear Abs (ANA)
Anti-smooth muscle Abs
Type 1 autoimmune hepatitis
Acute and chronic hepatitis (esp chronic active)
Anti-LKM Abs
Type 2 autoimmune hepatitis
Acute and chronic hepatitis (esp chronic active)
Acute / chronic hepatitis
Anti-smooth muscle Abs
Anti-LKM Abs
Anti-Smith Abs
SLE (very specific, only 30-50%)
Churg-Strauss syndrome
p-ANCA
Microscopic polyangiitis
p-ANCA
Anti-TPO Abs
Hashimoto’s thyroiditis
Antithyroglobulin Abs
Hashimoto’s thyroiditis
Anti-TSI Abs
Graves’ disease
Hashimoto’s thyroiditis
Anti-TPO Abs
Antithyroglobulin Abs
Graves’ disease
Anti-TSI Abs
BCR-ABL
CML
CML
BCR-ABL
ADAMTS13
TTP (decreased activity)
TTP
Decreased activity of ADAMTS13
Antiphospholipid antibody syndrome
Anti-cardiolipin Abs
Anti-cardiolipin Abs
Antiphospholipid antibody syndrome
Anti-ds DNA Abs
SLE (esp lupus nephritis; very specific for SLE)
RF
Rheumatoid arthritis
Anti-cyclic citrullinated peptide Abs
Rheumatoid arthritis
Rheumatoid arthritis
RF
Anti-cyclic citrullinated peptide Abs
ANA
HLA-DR4
Celiac disease
Anti-tissue transglutaminase Abs (anti tTg)
Anti-endomysial Abs
(both IgA so can look normal in selective IgA deficiency)
Anti-tissue transglutaminase Abs
Celiac disease
Anti-endomysial Abs
Celiac disease
Heterophile antibodies
Infectious mononucleosis (may be negative early)
Infectious mononucleosis
Heterophile antibodies (may be negative early)
p-ANCA
Allergic granulomatosis w/ angiitis (Churg-Strauss) Microscopic polyangiitis Ulcerative colitis Pauci-immune RPGN Primary sclerosing cholangitis (maybe) Rarely Crohn's
Allergic granulomatosis w/ angiitis (Churg-Strauss)
p-ANCA
c-ANCA
Granulomatosis w/ polyangiitis (Wegener’s)
Granulomatosis w/ polyangiitis (Wegener’s)
c-ANCA
Anti-GBM antibodies
Goodpasture syndrome
Goodpasture syndrome
Anti-GBM antibodies
Ulcerative colitis
p-ANCA
Rarely ASCA
HLA-B27
Crohn’s disease
ASCA
Rarely p-ANCA
HLA-B27
ASCA
Crohn’s disease
Rarely ulcerative colitis
HLA-B27
Seronegative arthropathies (RF neg) PAIR Psoriatic arthritis Ankylosing spondylitis IBD (Crohns/UC) Reactive arthritis (Reiter's)
Psoriatic arthritis
HLA-B27
Ankylosing spondylitis
HLA-B27 (90%)
Reactive arthritis (Reiter’s)
HLA-B27
Primary sclerosing cholangitis
p-ANCA (maybe)
Negative ANA, AMA
Type 2 autoimmune hepatitis
Anti-LKM antibodies
Anti liver cytosol antibodies
Anti liver cytosol antibodies
Type 2 autoimmune hepatitis
Pauci-immune RPGN
p-ANCA
HLA-DR4
Rheumatoid arthritis
Anti-histone antibodies
Drug-induced lupus
Drug-induced lupus
ANA
Anti-histone antibodies
Polymyositis or dermatomyositis
ANA
Anti-Jo-1 antibodies
Anti-Jo-1 antibodies
Polymyositis or dermatomyositis
Scleroderma
Anti-scl-70 ANA
Anti-topoisomerase antibodies
Anti-scl-70 ANA
Scleroderma
Anti-topoisomerase antibodies
Scleroderma
CREST
Anti-centromere antibodies
Anti-centromere antibodies
CREST
Anti-RNP ANA
Mixed connective tissue disorder
Mixed connective tissue disorder
Anti-RNP ANA
Anti-Ro (anti-SSA) ANA
Sjogren syndrome
Anti-La (anti-SSB) ANA
Sjogren syndrome
Sjogren syndrome
Anti-Ro (anti-SSA) ANA
Anti-La (anti-SSB) ANA