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
antibodies against granulocyte cytoplasm,
cytoplasmic pattern (cANCA control, PR3 ab control)
IIFT
cytoplasm of granulocytes (cANCA,
pANCA), nuclei of granulocytes (GS-ANA)
EUROPattern
granulocytes,
ethanol-fixed
human
IIFT
cytoplasm of granulocytes (cANCA,
pANCA), nuclei of granulocytes (GS-ANA)
granulocytes,
ethanol-fixed
human
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)
EUROPattern
granulocytes,
formaldehyde-fixed
human
IIFT
granulocytes
(cANCA, pANCA)
granulocytes,
formaldehyde-fixed
human
ChLIA
Control set Anti-Proteinase 3 (PR3) ChLIA (IgG)
2 x 0.4 ml control 1/2
ChLIA
Anti-Proteinase 3 (PR3) ChLIA (IgG)
Antigen-coated magnetic particles
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
ELISA
cANCA:
proteinase 3
(PR3-hn-hr)
antigen-coated
microplate wells
IIFT
Granulocyte Mosaic 2 EUROPattern
cANCA, pANCA, GS-ANA, EUROPattern
cANCA, pANCA, EUROPattern
2 BIOCHIPs per field:
granulocytes (EOH)
granulocytes (HCHO)

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

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 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 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)
IIFT
antibodies against granulocyte cytoplasm, perinuclear pattern
(pANCA control, MPO ab control)
ChLIA
IDS MPO 1
antigenic coated magnetic particles
ELISA
pANCA:
myeloperoxidase (MPO)
antigen-coated
microplate wells
1Product manufactured by third party. Please contact your local Euroimmun representative for more information.
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