Newly discovered gene mutation reduces fear and anxiety, and increases social interaction

Researchers have discovered of a new type of gene mutation that reduces fear and anxiety, and increases social interaction. The researchers employed gene manipulation technology to remove the P4h-tm gene from the mouse genome and found an unexpected change in mouse behavior. P4h-tm knockout mice showed striking courage and a lack of learned helplessness compared to congenic wild-type mice with a functional P4h-tm gene.

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