title: Reduced numbers of circulating CD28-negative CD4+ cells in patients with rheumatoid arthritis chronically treated with abatacept.
authors.affiliation: .
authors.forename: Lorena
authors.initials: L
authors.lastname: Gómez-García
authors.forename: Cecilia
authors.initials: C
authors.lastname: Ramírez-Assad
authors.forename: Angelica
authors.initials: A
authors.lastname: Vargas
authors.forename: Felipe
authors.initials: F
authors.lastname: Massó
authors.forename: Fausto
authors.initials: F
authors.lastname: Sánchez-Muñoz
authors.forename: Ricardo
authors.initials: R
authors.lastname: Márquez-Velasco
authors.forename: Luis M
authors.initials: LM
authors.lastname: Amezcua-Guerra
authors.forename: Rafael
authors.initials: R
authors.lastname: Bojalil
mesh_terms: D000069594:Abatacept; D000328:Adult; D000368:Aged; D018501:Antirheumatic Agents / Q000494:pharmacology / Q000627:therapeutic use; D001172:Arthritis, Rheumatoid / Q000188:drug therapy* / Q000276:immunology; D002097:C-Reactive Protein / Q000378:metabolism; D018106:CD28 Antigens / Q000276:immunology*; D015496:CD4-Positive T-Lymphocytes / Q000187:drug effects / Q000276:immunology*; D002452:Cell Count; D005260:Female; D006801:Humans; D018796:Immunoconjugates / Q000494:pharmacology / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D012720:Severity of Illness Index; D016896:Treatment Outcome
chemical_list: D018501:Antirheumatic Agents; D018106:CD28 Antigens; D018796:Immunoconjugates; D000069594:Abatacept; D002097:C-Reactive Protein