Auto-Antibodies Flashcards
ANCA - PR3
80-90% of Granulomatosis with polyangiitis (GPA)
ANCA - MPO
50% of Microscopic polyangiitis (MPA)
Anti AcH-Receptor
Myasthenia gravis (MG), specificity ~ 100% - IF NEGATIVE Anti-MuSK SBx (5% of MG)
Anti-Voltage-gated calcium channel (VGCC)
Paraneoplastic - Lambert-Eaton syndrome (SCLC)
Anti-Sox1
Paraneoplastic - Lambert-Eaton syndrome (SCLC)
Anti-Aquaporin 4 (AQP-4)
Neuromyelitis optica spectrum disorders (NMOSD)
Anti-GM1
Multifocal motor neuropathy with conduction block (MMN)
Guillain-Barre syndrome
Anti-GD3
Acute motor axonal neuropathy (AMAN)
Anti-GQ1b
Miller-Fisher syndrome - Ataxia, areflexia and opthalmoplegia
Anti-GQ1b
Miller-Fisher syndrome - Ataxia, areflexia and opthalmoplegia
Anti-voltage-gated potassium channel (VGKC)
Autoimmune limbic encephalitis
- Morvan’s syndrome - neuromyotonia (NMT), pain, hyperhydrosis, weight loss, severe insomnia and hallucinations
Anti-AMA
Autoimmune hepatitis Type 1 > 2
Anti-SM
Autoimmune hepatitis Type 1 > 2
Anti-LKM-1
Autoimmune Hepatitis Type 2
Anti-Jo1
Anti-Synthetase syndrome
- Mechanic hands, myopathy, lung fibrosis
Anti-SRP
Necrotising myopathy
Anti-HMGCR
Necrotising myopathy
Anti-MDA5
Amyopathic DM
ILD
Poor prognosis
Anti-TIF1-gamma
Dermatomyositis
- Cancer related
Anti-Ro /Anti-La
Primary Sjogrens, RA
Neonatal heart block
Anti-Ro /Anti-La
Primary Sjogrens, RA
Neonatal heart block
Anti-centromere
Limited Scleroderma
- Higher risk of primary PAH
Anti-Scl-70 (Anti-topoisomerase I)
Diffuse scleroderma
- Higher risk of severe ILD (which leads to secondary PAH)
Anti-RNA polymerase III
Scleroderma
- Higher risk of renal crisis
Anti-phospholipid antibodies - risk of thrombosis order
LA>B2GP1>aCL for risk of thrombosis
Anti-cN1A
Inclusion Body Myositis
Anti-CCP
RA
Anti-dsDNA
SLE
- Specific, most common
Anti-Sm (Smith)
SLE
- MOST Specific, only 5% of cases though
Anti-U1RNP
MCTD
Anti-U1RNP
MCTD
Anti-PLA2R
Primary membranous GN
Anti-histone
Drug Induced Lupus
Anti-NMDAR
Anti-NMDA receptor autoimmune encephalitis
Anti-desmoglein (anti-desmosome)
Pemphigus vulgaris
Anti-hemidesmosome
Bullous pemphigoid
Anti-GBM
Goodpasture’s Disease
Anti-parietal cell
Anti-intrinsic factor
Pernicious Anaemia