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Damaged collagen detected by collagen hybridizing peptide as efficient diagnosis marker for early hepatic fibrosis

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机构: [1]Guangzhou Univ Chinese Med, Affiliated Hosp 2, State Key Lab Dampness Syndrome Chinese Med, Guangzhou 510120, Peoples R China [2]Chinese Acad Med Sci, Inst Life, State Key Lab Prote Beijing Proteome Res Ctr, Natl Ctr Prot Sci Beijing,Res Unit Prote & Res & D, Beijing 102206, Peoples R China [3]Wuhan Univ, Wuhan Univ TaiKang Med Sch, Sch Basic Med Sci, Key Lab Combinatorial Biosynth & Drug Discovery,Mi, Wuhan 430071, Peoples R China [4]Guizhou Univ, Med Coll, Dept Biomed, Guiyang 550025, Peoples R China [5]Chinese Peoples Liberat Army, Med Sch, Beijing 100853, Peoples R China [6]Chinese Peoples Liberat Army PLA Gen Hosp, Fac Hepatopancreato Biliary Surg, Beijing 100853, Peoples R China [7]Fudan Univ, Sch Basic Med Sci, Dept Biochem & Mol Biol, Shanghai 200032, Peoples R China [8]China Med Univ, Sch Publ Hlth, Program Environm Toxicol, Shenyang 110122, Peoples R China
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关键词: Collagen hybridizing peptide Collagen damage Liver fibrosis Formalin-fixed paraffin-embedded

摘要:
Liver fibrosis is characterized by excessive synthesis and deposition of extracellular matrix (ECM) in liver tissues. However, it still has been lacking of early detection and diagnosis methods. The collagen hybridizing peptide (CHP) is a novel synthetic peptide that enables detection of collagen damage and tissue remodeling. Here, we showed that obvious CHP-positive staining could be detected in the liver while given CCl4 for only 3 days, which was significantly enhanced while given CCl4 for 7 days. However, H & E staining showed no significant changes in fibrous tissue, and sirius red-positive staining could only be observed while given CCl4 for 14 days. Moreover, CHP-positive staining enhanced initially at portal area which further extended into the hepatic lobule, which was increased more significantly than sirius red-positive staining in the model of 10 and 14 days. Further proteomic analysis of CHP-positive staining revealed that pathways associated with ECM remodeling were significantly increased, while retinol metabolism was downregulated. Meanwhile, proteins enriched in cellular gene transcription and signal transduction involved in fibrogenesis were also upregulated, suggesting that fibrosis occurred in CHP-positive staining. Our study provided evidence that CHP could detect the collagen damage in liver, which might be an efficient indicator for the diagnosis of liver fibrosis at a very early stage.

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出版当年[2022]版:
大类 | 2 区 生物学
小类 | 2 区 生物物理 3 区 生化与分子生物学
最新[2025]版:
大类 | 3 区 生物学
小类 | 3 区 生物物理 4 区 生化与分子生物学
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出版当年[2021]版:
Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Q1 BIOPHYSICS
最新[2023]版:
Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY Q3 BIOPHYSICS

影响因子: 最新[2023版] 最新五年平均 出版当年[2021版] 出版当年五年平均 出版前一年[2020版] 出版后一年[2022版]

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第一作者机构: [1]Guangzhou Univ Chinese Med, Affiliated Hosp 2, State Key Lab Dampness Syndrome Chinese Med, Guangzhou 510120, Peoples R China [2]Chinese Acad Med Sci, Inst Life, State Key Lab Prote Beijing Proteome Res Ctr, Natl Ctr Prot Sci Beijing,Res Unit Prote & Res & D, Beijing 102206, Peoples R China
通讯作者:
通讯机构: [1]Guangzhou Univ Chinese Med, Affiliated Hosp 2, State Key Lab Dampness Syndrome Chinese Med, Guangzhou 510120, Peoples R China [2]Chinese Acad Med Sci, Inst Life, State Key Lab Prote Beijing Proteome Res Ctr, Natl Ctr Prot Sci Beijing,Res Unit Prote & Res & D, Beijing 102206, Peoples R China [4]Guizhou Univ, Med Coll, Dept Biomed, Guiyang 550025, Peoples R China [8]China Med Univ, Sch Publ Hlth, Program Environm Toxicol, Shenyang 110122, Peoples R China [*1]The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510120, China.
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