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GeneCards Guide Home→Searching

Searching

  • Simple Search
  • Advanced Search
  • What Do I Get?
  • Search Examples

    Simple Search

    1. Enter an expression into the search field on the GeneCards homepage and
      choose one of these to search by:

      • Symbol only - Brings up the GeneCard for the specified symbol. This is done by selecting the Symbol only button and typing the requested gene symbol in the search box.
         
      • Symbol/Alias - Searches the database for a gene name, or its alias. This is done by selecting the Symbol/alias button and typing the requested symbol or alias for the gene in the search box.
         
      • GCid - the Id given to the gene by GeneCards (determined by the GeneLoc Algorithm).
        A gene can be searched by its GCid by selecting the GCid button and typing the requested Id in the search box.
         
      • External Id - A gene can also be searched by an External Id (accessions from HGNC, EntrezGene, UniProt, and Ensembl). This is done by selecting the External Id button and typing the requested Id in the search box.
         
      • Keywords - Searches the database in a full free text search. This is done by selecting the (default) keywords button and typing any kind of text relevant to the search in the search box.

      * In the first four cases a use of a wild card (*) results in retrieval of a list of symbols.
      * A use of space in the search string automatically results in a Keywords Search
        (see Search Examples for more on multiword searches).
      * The GeneCards search is case insensitive.

    2. Check whether you would like to change the default settings of Search Options.

    3. Click the "Go" button to start the search.

    Example of a keyword search: diabetes AND tongue

    More on: Different Kinds of Cards I Get    Search Examples

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    Advanced Search

    Advanced search enables you to browse GeneCards for more specific results. A broader variety of search options is offered in order to focus the search.
    There are two ways to use Advanced search:

    1. Click the Advanced search link next to the search box at the GeneCards homepage - a new page with more search options appears.
      Type the search string in the search field, and ask for the search to be performed within a specified:

      • Card Category - only genes of the specific card category chosen from the list box would be displayed.

      • Symbol/id - only genes with the symbols/ids typed in this box would be displayed.*

      • Symbol/id from file - you can upload a file with the symbols/ids you want displayed.

      * A search can be limited to more than one symbol/id
        (use space/coma/different lines to seperate different symbols/ids).

    2. Perform a simple search, and improve the search after getting the results - above the MicroCard list appear all the gene symbols in the results. Delete the ones you are not interested in and choose the button you want to click:

      • Search within results - the symbols/ids list under the search box updates, and you can perform a more specified search.

      • GeneALaCart - generates a file of GeneCards annotations for your list of genes.**

      • Genomica - forwards the found genes to Genomica for further analysis and visualisations.

      Try it! Refine this simple search example

      ** To use GeneALaCart you must be a registered user.
          To register click the GeneALaCart link on the GeneCards homepage.

    More on: Different Card Categories    Advanced Search Examples

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    What Do I Get?

    There are 3 types of cards in GeneCards:

    • MicroCard - Displayed on the search result page. Provides the symbol, GCid, and short description of a gene.
      The MicroCard list can be sorted alphabetically (default), or by relevance (determined by the relevance scoring method). The sorting options appear on the GeneCards homepage.

    • MiniCard - Displayed after the MicroCard list. Specifies the gene name, gene description, GCID, and the text lines in which the search term occurs. Also provides the chromosomal location of the gene.
      Note: in some cases the search term might not be shown on the web page.
      The MiniCard list is sorted by relevance (determined by the relevance scoring method).

    • GeneCard - A profound display of all the data concerning a specific gene, including relevant links to other important websites.

    More on: The GeneCard    GeneCard Examples

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    Search Examples:

    I.   Simple Search:

    Search String: Matching Words: Search Description:
    brca1 brca1, BRCA1 Exact word match (case insensitive).*
    x84746 x84746 GenBank accession number
    Hs.1288 Hs.1288 UniGene cluster
    image:303124 IMAGE:303124 Clone identifier

    * A Keyword Search would result in a list of MicroCards and MiniCards.
      A Symbol Only Search would result in the GeneCard itself right away!

    More on: Simple Search


  • II.   Wild Card Search (*):

    This type of search will usually give out a large number of results.

    Search String: Matching Words: Search Description:
    live* live, lives, liver Any object that begins with the string "live"
    *synap* synapse, presynaptic, postsynaptic, synaptophysin Any object that contains the string "synap"

    III.   Multiword Search:

    Search strings of more than one word are searched for as one single phrase, unless "AND" or "OR" are used (see examples below).

    Search String: Matching Words: Search Description:
    obesity diabetes obesity diabetes Regards these words as one single phrase (compare the AND/OR searches below!)
    obesity AND diabetes preponderance of insulin resistance, diabetes mellitus ... genetic predisposition to obesity All strings must exist in the GeneCard
    (unlike the example above, here the words don't have to necessarily follow each other)
    obesity OR diabetes obestiy, diabetes At least one of the strings must exist in the GeneCard
    (notice the difference from the AND search!)
    cancer OR tumor AND breast breast cancer, tumors of the breast Corresponds to "(cancer or tumor) and breast"

    IV.   Advanced Search:

    This type of search is useful for getting a short list of very specific results.

    Search String: Show only: Matching Words: Search Description:
    asthma Gene Type:
    protein-coding
    asthma, ASTHMA Exact word match in the relevant gene type only (case insensitive)
    asthma Symbols/ids:
    ADRB2, ALOX5, HNMT
    asthma, ASTHMA Exact word match in the specified genes only (case insensitive)

    More on: Advanced Search Bottom_Links

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