On the other hand , too much dietary selenium causes toxic effects and can lead to selenium poisoning .
Three selenoproteins , TXNRD1 ( TR1 ) , TXNRD2 ( TR3 ) and Glutathione peroxidase 4 ( GPX4 ) , have been shown to be essential in mouse knockout experiments .
Too much dietary selenium causes toxic effects and can lead to selenium poisoning .
Three selenoproteins , TXNRD1 ( TR1 ) , TXNRD2 ( TR3 ) and Glutathione peroxidase 4 ( GPX4 ) , have been shown to be essential in mouse knockout experiments .