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Table 3 Results of the reference sera from the CDC and AMLI in the new anti-SmD3 peptide ELISA

From: Identification of a SmD3 epitope with a single symmetrical dimethylation of an arginine residue as a specific target of a subpopulation of anti-Sm antibodies

Sample ID

U/ml

Sample ID

U/ml

Diagnosis

ANA 1

10.3

SLR Research A

2.5

CREST

ANA 2

1.4

SLR Research B

2.9

Scl

ANA 3

1.9

SLR Research D

2.8

MCTD

ANA 4

2.5

SLR Research E

3.1

SS, SLE

ANA 5

910.0

SLR Research F

1.5

PM

ANA 6

3.1

SLR Research G

4.5

SS

ANA 7

0.0

SLR Research I

1420.0

SLE

ANA 8

0.1

SLR Research J

13.9

SLE

ANA 9

1.7

SLR Research K

0.0

HD

ANA 10

0.5

SLR Research L

0.2

HD

  1. AMLI, Association of Medical Laboratory Immunologists; CDC, Center for Disease Control and Prevention; CREST, calcinosis cutis, Raynaud's phenomenon, esophageal dysfunction, sclerodactyly and telangiectasia; HD, healthy donor; MCTD, mixed connective tissue disease; PM, polymyositis; Scl, scleroderma; SLE, systemic lupus erythematosus; SS, Sjögren's syndrome.