The human exosome: an autoantigenic complex of exoribonucleases in myositis and scleroderma

被引:55
作者
Brouwer, R [1 ]
Pruijn, GJM [1 ]
van Venrooij, WJ [1 ]
机构
[1] Univ Nijmegen, Dept Biochem, NL-6500 HB Nijmegen, Netherlands
关键词
autoantibodies; autoantigens; exoribonucleases; exosome; PM/Scl complex;
D O I
10.1186/ar147
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The anti-PM/Scl autoantibodies are known to characterize a subset of autoimmune patients with myositis, scleroderma (Scl), and the PM/Scl overlap syndrome. The major autoantigens that are recognized by anti-PM/Scl autoantibodies are designated PM/Scl-100 and PM/Scl-75. These autoantigens have been reported to associate into a large complex consisting of 11 to 16 proteins and to play a role in ribosome synthesis. Recently, it was discovered that the PM/Scl complex is the human counterpart of the yeast (Saccharomyces cerevisiae) exosome, which is an RNA-processing complex consisting of 11 3'-->5' exoribonucleases. To date, 10 human exosome components have been identified, although only some of these were studied in more detail. In this review, we discuss some recent advances in the characterization of the PM/Scl complex.
引用
收藏
页码:102 / 106
页数:5
相关论文
共 51 条
[1]   MOLECULAR CHARACTERIZATION OF AN AUTOANTIGEN OF PM-SCL IN THE POLYMYOSITIS SCLERODERMA OVERLAP SYNDROME - A UNIQUE AND COMPLETE HUMAN CDNA-ENCODING AN APPARENT 75-KD ACIDIC PROTEIN OF THE NUCLEOLAR COMPLEX [J].
ALDERUCCIO, F ;
CHAN, EKL ;
TAN, EM .
JOURNAL OF EXPERIMENTAL MEDICINE, 1991, 173 (04) :941-952
[2]   The yeast exosome and human PM-Scl are related complexes of 3′→5′ exonucleases [J].
Allmang, C ;
Petfalski, E ;
Podtelejnikov, A ;
Mann, M ;
Tollervey, D ;
Mitchell, P .
GENES & DEVELOPMENT, 1999, 13 (16) :2148-2158
[3]   Functions of the exosome in rRNA, snoRNA and snRNA synthesis [J].
Allmang, C ;
Kufel, J ;
Chanfreau, G ;
Mitchell, P ;
Petfalski, E ;
Tollervey, D .
EMBO JOURNAL, 1999, 18 (19) :5399-5410
[4]   Degradation of ribosomal RNA precursors by the exosome [J].
Allmang, Christine ;
Mitchell, Philip ;
Petfalski, Elisabeth ;
Tollervey, David .
NUCLEIC ACIDS RESEARCH, 2000, 28 (08) :1684-1691
[5]   The 3′ to 5′ degradation of yeast mRNAs is a general mechanism for mRNA turnover that requires the SKI2 DEVH box protein and 3′ to 5′ exonucleases of the exosome complex [J].
Anderson, JSJ ;
Parker, R .
EMBO JOURNAL, 1998, 17 (05) :1497-1506
[6]   Interrelationship of major histocompatibility complex class II alleles and autoantibodies in four ethnic groups with various forms of myositis [J].
Arnett, FC ;
Targoff, IN ;
Mimori, T ;
Goldstein, R ;
Warner, NB ;
Reveille, JD .
ARTHRITIS AND RHEUMATISM, 1996, 39 (09) :1507-1518
[7]  
Baker RE, 1998, GENETICS, V149, P73
[8]  
BAUTZ FA, 1994, MANUAL BIOL MARKERS
[9]   Identification of an α-helical epitope region on the PM/Scl-100 autoantigen with structural homology to a region on the heterochromatin p25β autoantigen using immobilized overlapping synthetic peptides [J].
Blüthner, M ;
Mahler, M ;
Müller, DB ;
Dünzl, H ;
Bautz, FA .
JOURNAL OF MOLECULAR MEDICINE-JMM, 2000, 78 (01) :47-54
[10]   CLONING AND CHARACTERIZATION OF THE CDNA CODING FOR A POLYMYOSITIS-SCLERODERMA OVERLAP SYNDROME RELATED NUCLEOLAR 100-KD PROTEIN [J].
BLUTHNER, M ;
BAUTZ, FA .
JOURNAL OF EXPERIMENTAL MEDICINE, 1992, 176 (04) :973-980