Serum YKL-40 is increased in patients with hepatic fibrosis

J S Johansen; P Christoffersen; S Møller; P A Price; C Garbarsch; Jens Henrik Sahl Henriksen; F Bendtsen

Serum YKL-40 is increased in patients with hepatic fibrosis

J S Johansen, P Christoffersen, S Møller, P A Price, C Garbarsch, Jens Henrik Sahl Henriksen, F Bendtsen

192 Citations (Scopus)

Abstract

BACKGROUND/AIMS: YKL-40, a mammalian member of the chitinase family, is a lectin that binds heparin and chitin. The function of YKL-40 is unknown, but it may function in tissue remodelling. The aims of this study were to assess the level of circulating YKL-40 in patients with various kinds and degree of chronic liver disease and its possible relation to liver fibrosis. METHODS: Serum YKL-40 levels were determined by radioimmunoassay in 129 patients with suspected liver disease and related to histological findings and immunohistochemical staining of YKL-40 in a liver biopsy taken simultaneously with the blood sample. RESULTS: The median serum YKL-40 was highest in patients with alcoholic cirrhosis (532 microg/l), in particular in patients with additional alcoholic hepatitis (740 microg/l). Patients with alcoholic cirrhosis, post-hepatitic cirrhosis (425 microg/l) and non-cirrhotic fibrosis (330 microg/l) had significantly higher serum YKL-40 than normal subjects (102 microg/l), patients with fatty liver (195 microg/l) or patients with viral hepatitis without fibrosis (174 microg/l). Serum YKL-40 was significantly (p<0.001) related to the degree of liver fibrosis with the highest levels in patients with moderate (466 microg/l) to severe (676 microg/l) fibrosis. Serum YKL-40 was also increased (p=0.018) in patients with slight fibrosis (270 microg/l) compared to patients without fibrosis. Immunohistochemical analysis demonstrated positive staining for YKL-40 antigen in areas with fibrosis, particularly areas with active fibrogenesis. YKL-40 staining was never found in hepatocytes. CONCLUSIONS: Our study indicates that the increased serum YKL-40 in patients with liver disease of various degree and aetiology seems to reflect fibrosis and fibrogenesis.

Original language	English
Journal	Journal of Hepatology
Volume	32
Issue number	6
Pages (from-to)	911-920
Number of pages	9
ISSN	0168-8278
Publication status	Published - 2000

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@article{9977110074c811dbbee902004c4f4f50,

title = "Serum YKL-40 is increased in patients with hepatic fibrosis",

abstract = "BACKGROUND/AIMS: YKL-40, a mammalian member of the chitinase family, is a lectin that binds heparin and chitin. The function of YKL-40 is unknown, but it may function in tissue remodelling. The aims of this study were to assess the level of circulating YKL-40 in patients with various kinds and degree of chronic liver disease and its possible relation to liver fibrosis. METHODS: Serum YKL-40 levels were determined by radioimmunoassay in 129 patients with suspected liver disease and related to histological findings and immunohistochemical staining of YKL-40 in a liver biopsy taken simultaneously with the blood sample. RESULTS: The median serum YKL-40 was highest in patients with alcoholic cirrhosis (532 microg/l), in particular in patients with additional alcoholic hepatitis (740 microg/l). Patients with alcoholic cirrhosis, post-hepatitic cirrhosis (425 microg/l) and non-cirrhotic fibrosis (330 microg/l) had significantly higher serum YKL-40 than normal subjects (102 microg/l), patients with fatty liver (195 microg/l) or patients with viral hepatitis without fibrosis (174 microg/l). Serum YKL-40 was significantly (p<0.001) related to the degree of liver fibrosis with the highest levels in patients with moderate (466 microg/l) to severe (676 microg/l) fibrosis. Serum YKL-40 was also increased (p=0.018) in patients with slight fibrosis (270 microg/l) compared to patients without fibrosis. Immunohistochemical analysis demonstrated positive staining for YKL-40 antigen in areas with fibrosis, particularly areas with active fibrogenesis. YKL-40 staining was never found in hepatocytes. CONCLUSIONS: Our study indicates that the increased serum YKL-40 in patients with liver disease of various degree and aetiology seems to reflect fibrosis and fibrogenesis.",

author = "Johansen, {J S} and P Christoffersen and S M{\o}ller and Price, {P A} and C Garbarsch and Henriksen, {Jens Henrik Sahl} and F Bendtsen",

note = "Keywords: Adult; Aged; Aged, 80 and over; Female; Glycoproteins; Humans; Hyaluronic Acid; Immunohistochemistry; Lectins; Liver Cirrhosis; Liver Diseases; Male; Middle Aged; Peptide Fragments; Procollagen; Reference Values; Staining and Labeling",

year = "2000",

language = "English",

volume = "32",

pages = "911--920",

journal = "Journal of Hepatology",

issn = "0168-8278",

publisher = "Elsevier",

number = "6",

}

TY - JOUR

T1 - Serum YKL-40 is increased in patients with hepatic fibrosis

AU - Johansen, J S

AU - Christoffersen, P

AU - Møller, S

AU - Price, P A

AU - Garbarsch, C

AU - Henriksen, Jens Henrik Sahl

AU - Bendtsen, F

N1 - Keywords: Adult; Aged; Aged, 80 and over; Female; Glycoproteins; Humans; Hyaluronic Acid; Immunohistochemistry; Lectins; Liver Cirrhosis; Liver Diseases; Male; Middle Aged; Peptide Fragments; Procollagen; Reference Values; Staining and Labeling

PY - 2000

Y1 - 2000

N2 - BACKGROUND/AIMS: YKL-40, a mammalian member of the chitinase family, is a lectin that binds heparin and chitin. The function of YKL-40 is unknown, but it may function in tissue remodelling. The aims of this study were to assess the level of circulating YKL-40 in patients with various kinds and degree of chronic liver disease and its possible relation to liver fibrosis. METHODS: Serum YKL-40 levels were determined by radioimmunoassay in 129 patients with suspected liver disease and related to histological findings and immunohistochemical staining of YKL-40 in a liver biopsy taken simultaneously with the blood sample. RESULTS: The median serum YKL-40 was highest in patients with alcoholic cirrhosis (532 microg/l), in particular in patients with additional alcoholic hepatitis (740 microg/l). Patients with alcoholic cirrhosis, post-hepatitic cirrhosis (425 microg/l) and non-cirrhotic fibrosis (330 microg/l) had significantly higher serum YKL-40 than normal subjects (102 microg/l), patients with fatty liver (195 microg/l) or patients with viral hepatitis without fibrosis (174 microg/l). Serum YKL-40 was significantly (p<0.001) related to the degree of liver fibrosis with the highest levels in patients with moderate (466 microg/l) to severe (676 microg/l) fibrosis. Serum YKL-40 was also increased (p=0.018) in patients with slight fibrosis (270 microg/l) compared to patients without fibrosis. Immunohistochemical analysis demonstrated positive staining for YKL-40 antigen in areas with fibrosis, particularly areas with active fibrogenesis. YKL-40 staining was never found in hepatocytes. CONCLUSIONS: Our study indicates that the increased serum YKL-40 in patients with liver disease of various degree and aetiology seems to reflect fibrosis and fibrogenesis.

AB - BACKGROUND/AIMS: YKL-40, a mammalian member of the chitinase family, is a lectin that binds heparin and chitin. The function of YKL-40 is unknown, but it may function in tissue remodelling. The aims of this study were to assess the level of circulating YKL-40 in patients with various kinds and degree of chronic liver disease and its possible relation to liver fibrosis. METHODS: Serum YKL-40 levels were determined by radioimmunoassay in 129 patients with suspected liver disease and related to histological findings and immunohistochemical staining of YKL-40 in a liver biopsy taken simultaneously with the blood sample. RESULTS: The median serum YKL-40 was highest in patients with alcoholic cirrhosis (532 microg/l), in particular in patients with additional alcoholic hepatitis (740 microg/l). Patients with alcoholic cirrhosis, post-hepatitic cirrhosis (425 microg/l) and non-cirrhotic fibrosis (330 microg/l) had significantly higher serum YKL-40 than normal subjects (102 microg/l), patients with fatty liver (195 microg/l) or patients with viral hepatitis without fibrosis (174 microg/l). Serum YKL-40 was significantly (p<0.001) related to the degree of liver fibrosis with the highest levels in patients with moderate (466 microg/l) to severe (676 microg/l) fibrosis. Serum YKL-40 was also increased (p=0.018) in patients with slight fibrosis (270 microg/l) compared to patients without fibrosis. Immunohistochemical analysis demonstrated positive staining for YKL-40 antigen in areas with fibrosis, particularly areas with active fibrogenesis. YKL-40 staining was never found in hepatocytes. CONCLUSIONS: Our study indicates that the increased serum YKL-40 in patients with liver disease of various degree and aetiology seems to reflect fibrosis and fibrogenesis.

M3 - Journal article

C2 - 10898311

SN - 0168-8278

VL - 32

SP - 911

EP - 920

JO - Journal of Hepatology

JF - Journal of Hepatology

IS - 6

ER -

Serum YKL-40 is increased in patients with hepatic fibrosis

Abstract

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