MeSH Browser

MeSH Heading: SS-A Antigen
Tree Number(s): D12.776.157.725.500.910; D12.776.664.962.500.910; D23.050.422.688
Unique ID: D000099207
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D000099207
Scope Note: A cytoplasmic autoantigen and ribonucleoprotein implicated in nascent RNA protection. It is a target of AUTOANTIBODIES in patients with SJOGREN'S SYNDROME.
Entry Term(s): Ro Antigen; Ro Autoantigen; Ro Ribonucleoprotein; Ro-SSA Antigen; Ro60 Antigen; SS A Antigen; Sjogren Syndrome Type A Antigen
Registry Numbers: 0
Public MeSH Note: 2026; SS-A ANTIGEN was indexed under RIBONUCLEOPROTEINS 2003-2025, and under AUTOANTIGENS 1982-2002, and under ANTIGENS 1982-1985
History Note: 2026 (1982)
Date Introduced: 2026/01/01
Last Updated: 2026/01/01

Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

analysis (AN)

biosynthesis (BI)

blood (BL)

cerebrospinal fluid (CF)

chemistry (CH)

classification (CL)

drug effects (DE)

economics (EC)

genetics (GE)

history (HI)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

pharmacology (PD)

physiology (PH)

poisoning (PO)

radiation effects (RE)

therapeutic use (TU)

toxicity (TO)

ultrastructure (UL)

urine (UR)

Concept UI: M000768953
Registry Numbers: 0
Scope Note: A cytoplasmic autoantigen and ribonucleoprotein implicated in nascent RNA protection. It is a target of AUTOANTIBODIES in patients with SJOGREN'S SYNDROME.
Terms: SS-A Antigen Preferred Term
Term UI T001148093
Date04/15/2025
LexicalTag NON
ThesaurusID NLM (2026); Ro Antigen
Term UI T001148094
Date04/15/2025
LexicalTag NON
ThesaurusID NLM (2026); Ro Autoantigen
Term UI T001148105
Date04/15/2025
LexicalTag NON
ThesaurusID NLM (2026); Ro Ribonucleoprotein
Term UI T001148096
Date04/15/2025
LexicalTag NON
ThesaurusID NLM (2026); Ro-SSA Antigen
Term UI T001148097
Date04/15/2025
LexicalTag NON
ThesaurusID NLM (2026); Sjogren Syndrome Type A Antigen
Term UI T001148098
Date04/15/2025
LexicalTag NON
ThesaurusID NLM (2026); SS A Antigen
Term UI T001148099
Date04/15/2025
LexicalTag NON
ThesaurusID NLM (2026)

SS-A Antigen MeSH Descriptor Data 2026