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Selenoproteins contain the amino acid selenocysteine (Sec). The Sec insertion sequence (SECIS)-binding protein 2 (Secisbp2) binds to SECIS elements in the 3'-UTR of eukaryotic selenoprotein mRNAs. Mutations in SECISBP2 in humans lead to reduced selenoprotein expression thereby affecting thyroid hormone-dependent growth and differentiation processes. The(More)
BACKGROUND Xenotropic murine leukemia virus-related virus (XMRV), a novel human retrovirus originally identified in prostate cancer tissues, has recently been associated with chronic fatigue syndrome (CFS), a disabling disease of unknown etiology affecting millions of people worldwide. However, several subsequent studies failed to detect the virus in(More)
Endogenous retroviruses present in the human genome provide a rich record of ancient infections. All presently recognized elements, including the youngest and most intact proviruses of the human endogenous retrovirus K(HML-2) [HERV-K(HML-2)] family, have suffered postinsertional mutations during their time of chromosomal residence, and genes encoding the(More)
Secisbp2 [SECIS (selenocysteine insertion sequence)-binding protein 2] binds to SECIS elements located in the 3'-UTR region of eukaryotic selenoprotein mRNAs. It facilitates the incorporation of the rare amino acid selenocysteine in response to UGA codons. Inactivation of Secisbp2 in hepatocytes greatly reduced selenoprotein levels. Neuron-specific(More)
Dual-assignment of codons as termination and elongation codons is used to expand the genetic code. In mammals, UGA can be reassigned to selenocysteine during translation of selenoproteins by a mechanism involving a 3΄ untranslated region (UTR) selenocysteine insertion sequence (SECIS) and the SECIS-binding protein Secisbp2. Here, we present data from(More)
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