C:\test>220720
$VAR1 = {
          'gene' => {
                      '3' => {
                               'label' => 'gene_of_interest'
                             },
                      '4' => {
                               'label' => 'Another_gene_of_interest'
                             }
                    }
        };


gene_of_interest
Another_gene_of_interest

C:\test>