PLOS COMPUTATIONAL BIOLOGY , RUTH BARSHIR ET A Genes that cause hereditary diseases are often expressed across a wide range of cells in the human body, but the diseases they cause can be specific to a few tissues or organs. Many of these genes are expressed at higher levels in diseased tissues, and their proteins have a significantly greater tendency for tissue-specific protein interactions, according to a study published last week (June 12) in PLOS Computational Biology . “Together the two factors we identified are relevant for as many as two thirds of the tissue-specific hereditary diseases [studied here],” Esti Yeger-Lotem from Israel’s Ben-Gurion University of the Negev and her colleagues wrote in their paper. The researchers suggested that these tissue-specific interactions, known as an interactome, highlight disease mechanisms, and can provide an efficient filter to identify causal genes within diseased tissues. To identify these interactomes,
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