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SS - B (LA)
Parameters : 1
Also known as : SS - B (LA)
EXCLUSIVE PRICE
2500
Report Delivery
3 Days
Free Sample Collection
Bookings above 500
Pre - Instruction
No Preparation Required.
Covid Safety
Assured
Test Details
Test Code BOBT00795
Test Category Individual Test
Sample Type Blood
Details of SS - B (LA)
What is SS - B (LA)?
Evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive Testing for SS-B/La antibodies is not useful in patients without demonstrable antinuclear antibodies

SS-B/La is an extractable nuclear antigen (ENA) composed of a 48-kD protein combined with RNA species. SS-B/La antibodies are found primarily in patients with Sjogren syndrome or lupus erythematosus (LE), where they occur with frequencies of approximately 60% and 15%, respectively. (1,2) SS-B/La antibodies occur only infrequently in the absence of SS-A/Ro antibodies.

SS-B/La is 1 of 4 autoantigens commonly referred to as extractable nuclear antigens (ENA). The other ENA are SS-A/Ro, RNP, and Sm (Smith). Each ENA is composed of 1 or more proteins associated with cytoplasmic or small nuclear RNA species (snRNA) ranging in size from 80 to 350 nucleotides. Antibodies to ENA are common in patients with connective tissue diseases (systemic rheumatic diseases) including LE, mixed connective tissue disease, Sjogren syndrome, scleroderma (systemic sclerosis), and polymyositis/dermatomyositis.
Routine Tests
SS - B (LA)
Parameters : 1
Also known as : SS - B (LA)
EXCLUSIVE PRICE
2500
Report Delivery
3 Days
Free Sample Collection
Bookings above 500
Pre - Instruction
No Preparation Required.
Covid Safety
Assured
Test Details
Test Code BOBT00795
Test Category Individual Test
Sample Type Blood
Details of SS - B (LA)
What is SS - B (LA)?
Evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive Testing for SS-B/La antibodies is not useful in patients without demonstrable antinuclear antibodies

SS-B/La is an extractable nuclear antigen (ENA) composed of a 48-kD protein combined with RNA species. SS-B/La antibodies are found primarily in patients with Sjogren syndrome or lupus erythematosus (LE), where they occur with frequencies of approximately 60% and 15%, respectively. (1,2) SS-B/La antibodies occur only infrequently in the absence of SS-A/Ro antibodies.

SS-B/La is 1 of 4 autoantigens commonly referred to as extractable nuclear antigens (ENA). The other ENA are SS-A/Ro, RNP, and Sm (Smith). Each ENA is composed of 1 or more proteins associated with cytoplasmic or small nuclear RNA species (snRNA) ranging in size from 80 to 350 nucleotides. Antibodies to ENA are common in patients with connective tissue diseases (systemic rheumatic diseases) including LE, mixed connective tissue disease, Sjogren syndrome, scleroderma (systemic sclerosis), and polymyositis/dermatomyositis.
 

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