How to Build CHD@ZJU

CHD related Articles were retrieved from Pubmed, by entering keywords "coronary heart disease" and constrict the publish date from 2000/1/1 to now (2013/1/23). As a result, totally 115898 articles were found and their abstracts were downloaded for text mining. Since some articles didn't contain abstracts, only 88396 abstracts remained.

The text-mining process to get CHD related genes could be divided in to 5 following steps:

  • 1) Extracting all keywords from abstracts and ignoring those keywords start with numbers. 101402 keywords were extracted.

  • 2) Input these keywords into Gene library in ArrayTrack and find possible related genes. 4674 genes were then found.

  • 3) Put these 4674 genes again into pubmed abstracts to find related aticles. Only genes which offical name or there keyword description (such as prolactin for gene PRL) could be found in the abstract would be remained. As a result, 1247 genes were remained.

  • 4) Manually examined on the 1247 genes to validate it was acutally related to CHD. Some genes would be filtered if it represents other meanings (such as gene CAD, Entrez ID:790, carbamoyl-phosphate synthetase 2, is mostly meant coronary arterial disease in articles). 681 genes were then validated with at least one reference.

  • 5) All genes was compared with 1078 CHD genes in RGD database, and 370 genes were overlapped. These 370 genes were labels as "RGD_Supported" and the other 293 genes were labels as "REFERED". All 663 genes had supported references in CHD@ZJU which were examined by step 4.
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    Collaboration Information: Prof. Xiaohui Fan (

    Website using assistance : Leihong Wu (

    Basic Information

    Gene Name: CXCL9

    Description: chemokine (C-X-C motif) ligand 9

    Entrez Gene ID: 4283

    SwissProt Acc Number: Q07325

    RefSeq: NM_002416

    It was suspected to be CHD related:

    .."Patients with CAD showed higher constitutive expression of CCL2, CXCL8, CXCL9, CXCL10 and IFN-gamma mRNA and, after stimulation with oxLDL, higher expression of CCL2 and CXCL8 mRNA than the control group. "..

    From PMID: 18617279, in Journal Int J Cardiol , 2009


    There were 3 potential papers with CXCL9 and CHD.

    21889313 Chlamydia pneumoniae heat shock protein 60 is associated with apoptotic signaling pathway in human atheromatous plaques of coronary artery disease patients.Journal of cardiologyMore Details
    21731663 Plasma chemokine levels are associated with the presence and extent of angiographic coronary collaterals in chronic ischemic heart disease.PloS oneMore Details
    18617279 "Differential expression of cytokines, chemokines and chemokine receptors in patients with coronary artery disease."International journal of cardiologyMore Details

    NOTEs: These result is mostly from TEXT-MINING and there might have mismatches.

    PPI interactions

    There were totally 3 unique genes interacted with CXCL9. Show PPI network

    Gene nameInteraction typereference PMIDCHD relation
    CCR3 in vitro11110785 CHD related
    CXCR3 Reconstituted Complex12782716|9660793 CHD related
    DPP4 in vitro11390394 CHD related

    Involved FDA drugs

    There was no drug associated with CXCL9