原発性硬化性胆管炎(PSC)

臨床情報

原発性硬化性胆管炎(PSC)は、胆管が進行的に破壊される慢性胆汁うっ滞性肝疾患です。世界的な有病率は人口10万人あたり約14例と報告されています。男性の罹患率は女性よりも高く(約60〜80%)、主に30〜60歳の成人に発症がみられます。
PSCは、慢性炎症性腸疾患(IBD)、特に潰瘍性大腸炎(85〜90%)およびクローン病(10〜15%)の患者において高頻度に併発します。このため、PSC患者の血清中では、主な標的抗原がDNA結合ラクトフェリンである顆粒球に対する自己抗体(pANCA)がしばしば認められます。

検査

胆管造影は、PSCを確認する上で最も重要な検査方法です。PSCは複数の自己抗体と関連しますが、典型的な自己免疫疾患としては分類されていません。しかし、小児例では高力価の自己抗体(例:ANA、ANCA、ASMA)を伴う自己免疫的現象がみられることがあります。
また、自己免疫性肝炎(AIH)または原発性胆汁性胆管炎(PBC)とのオーバーラップ症候群が疑われる場合(最大10%の症例)には、血清学的抗体測定が有用な補助的情報となることがあります。

Information material

Autoimmune liver diseases

Differentiated ANCA determination using IIFT Mosaics


Products

Filter techniques:

Method
Parameter
Substrate
Species
IIFT
cytoplasm of granulocytes (cANCA,
pANCA), nuclei of granulocytes (GS-ANA)
granulocytes,
ethanol-fixed
human
IIFT
cytoplasm of granulocytes (cANCA,
pANCA), nuclei of granulocytes (GS-ANA)
EUROPattern
granulocytes,
ethanol-fixed
human
IIFT
antibodies against granulocyte cytoplasm,
cytoplasmic pattern (cANCA control, PR3 ab control)
ELISA
ANCA Profile (proteinase 3, MPO, elastase,
cathepsin G, BPI, lactoferrin separately)
antigen-coated
microplate wells
EUROLINE
positive control serum: IgG, human, 100x concentrated
for DL 1200-X G
EUROLINE
myeloperoxidase (MPO)
proteinase 3 (PR3)
EUROLINE
EUROLINE
myeloperoxidase (MPO)
proteinase 3 (PR3)
glomerular basement membrane (GBM)
EUROLINE
IIFT
granulocytes
(cANCA, pANCA)
granulocytes,
formaldehyde-fixed
human
IIFT
granulocytes
(cANCA, pANCA)
EUROPattern
granulocytes,
formaldehyde-fixed
human
ChLIA
Anti-Proteinase 3 (PR3) ChLIA (IgG)
Antigen-coated magnetic particles
ChLIA
Control set Anti-Proteinase 3 (PR3) ChLIA (IgG)
2 x 0.4 ml control 1/2
ChLIA
IDS PR3-II 1
antigenic coated magnetic particles
IIFT
Granulocyte Mosaic 13 EUROPattern
cANCA, pANCA, GS-ANA, EUROPattern
cell nuclei (ANA), cANCA, pANCA
cANCA, pANCA, EUROPattern
3 BIOCHIPs per field:
granulocytes (EOH)
HEp-2+granulocytes (EOH)
granulocytes (HCHO)

human
human
human
IIFT
Granulocyte Mosaic 13
cANCA, pANCA, GS-ANA
cell nuclei (ANA), cANCA, pANCA
cANCA, pANCA
3 BIOCHIPs per field:
granulocytes (EOH)
HEp-2+granulocytes (EOH)
granulocytes (HCHO)

human
human
human
IIFT
Granulocyte Mosaic 15 EUROPattern
cANCA, pANCA, GS-ANA, EUROPattern
cell nuclei (ANA), cANCA, pANCA
2 BIOCHIPs per field:
granulocytes (EOH)
HEp-2+granulocytes (EOH)

human
human
IIFT
Granulocyte Mosaic 15
cANCA, pANCA, GS-ANA
cell nuclei (ANA), cANCA, pANCA
2 BIOCHIPs per field:
granulocytes (EOH)
HEp-2+granulocytes (EOH)

human
human
IIFT
Granulocyte Mosaic 2
cANCA, pANCA, GS-ANA
cANCA, pANCA
2 BIOCHIPs per field:
granulocytes (EOH)
granulocytes (HCHO)

human
human
IIFT
Granulocyte Mosaic 2 EUROPattern
cANCA, pANCA, GS-ANA, EUROPattern
cANCA, pANCA, EUROPattern
2 BIOCHIPs per field:
granulocytes (EOH)
granulocytes (HCHO)

human
human
ELISA
cANCA:
proteinase 3
(PR3-hn-hr)
antigen-coated
microplate wells
IIFT
EUROPLUS Granulocyte Mosaic 22
cANCA, pANCA, GS-ANA
cANCA, pANCA
pANCA: myeloperoxidase (MPO)
cANCA: proteinase 3 (PR3)
4 BIOCHIPs per field:
granulocytes (EOH)
granulocytes (HCHO)
MPO BIOCHIPs
PR3 BIOCHIPs

human
human
IIFT
EUROPLUS Granulocyte Mosaic 22
EUROPattern
cANCA, pANCA, GS-ANA, EUROPattern
cANCA, pANCA, EUROPattern
pANCA: myeloperoxidase (MPO), EUROPattern
cANCA: proteinase 3 (PR3), EUROPattern
4 BIOCHIPs per field:

granulocytes (EOH)
granulocytes (HCHO)
MPO BIOCHIPs
PR3 BIOCHIPs


human
human
IIFT
EUROPLUS Granulocyte Mosaic 25
EUROPattern
cANCA, pANCA, GS-ANA, EUROPattern
cell nuclei (ANA), cANCA, pANCA
cANCA, pANCA, EUROPattern
glom. basement membrane (GBM), EUROPattern
pANCA: myeloperoxidase (MPO), EUROPattern
cANCA: proteinase 3 (PR3), EUROPattern
6 BIOCHIPs per field:

granulocytes (EOH)
HEp-2+granulocytes (EOH)
granulocytes (HCHO)
GBM BIOCHIPs
MPO BIOCHIPs
PR3 BIOCHIPs


human
human
human
IIFT
EUROPLUS Granulocyte Mosaic 25
cANCA, pANCA, GS-ANA
cell nuclei (ANA), cANCA, pANCA
cANCA, pANCA
glomerular basement membrane (GBM)
pANCA: myeloperoxidase (MPO)
cANCA: proteinase 3 (PR3)
6 BIOCHIPs per field:
granulocytes (EOH)
HEp-2+granulocytes (EOH)
granulocytes (HCHO)
GBM BIOCHIPs
MPO BIOCHIPs
PR3 BIOCHIPs

human
human
human
IIFT
EUROPLUS Granulocyte Mosaic 32
EUROPattern
cANCA, pANCA, GS-ANA, EUROPattern
cANCA, pANCA, EUROPattern
cell nuclei (ANA), cANCA, pANCA
pANCA: myeloperoxidase (MPO), EUROPattern
cANCA: proteinase 3 (PR3), EUROPattern
5 BIOCHIPs per field:

granulocytes (EOH)
granulocytes (HCHO)
HEp-2+granulocytes (EOH)
MPO BIOCHIPs
PR3 BIOCHIPs


human
human
human
IIFT
EUROPLUS Granulocyte Mosaic 32
cANCA, pANCA, GS-ANA
cANCA, pANCA
cell nuclei (ANA), cANCA, pANCA
pANCA: myeloperoxidase (MPO)
cANCA: proteinase 3 (PR3)
5 BIOCHIPs per field:
granulocytes (EOH)
granulocytes (HCHO)
HEp-2+granulocytes (EOH)
MPO BIOCHIPs
PR3 BIOCHIPs

human
human
human
IIFT
antibodies against granulocyte cytoplasm,
perinuclear pattern (pANCA control)
ChLIA
IDS MPO 1
antigenic coated magnetic particles
IIFT
antibodies against granulocyte cytoplasm, perinuclear pattern
(pANCA control, MPO ab control)
ELISA
pANCA:
myeloperoxidase (MPO)
antigen-coated
microplate wells
ChLIA
Anti-MPO ChLIA (IgG)
Antigen-coated magnetic particles
ChLIA
Control set Anti-MPO ChLIA (IgG)
2 x 0.4 ml control 1/2
ChLIA
IDS Liver Control Set
1
3 x 1.0 ml Control 1/2
ChLIA
IDS LKM-1 1
antigenic coated magnetic particles
ChLIA
IDS ANA Screen Control Set
1
3 x 1.5 ml Control 1/2
1Product manufactured by third party. Please contact your local Euroimmun representative for more information.
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