Myositis Line Blot

Department of Immunology

Notes

• Myositis specific antibodies can be found in myositis-spectrum disorders, like dermatomyositis / polymyositis, necrotising myositis and anti-synthetase syndrome.
• Tests for Mi-2, TIF1g, MDA5, NPX2, SAE1, Ku, PM-SCL100, PM-SCL75, Jo-1, SRP, PL-7, PL-12, EJ, OJ and Ro-52.
• Test performed by Immunology, North Bristol NHS Trust.

Sample Requirements

Clotted blood.

Adult

5ml Gold-top SST tube or 3.5ml Rust-top gel tube (Trust users only)

Paediatric

1ml serum Sample

Time limit for add-on

3 days

Turnaround Times

21 days

Reference Range

Normal = Negative