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- Title
FTH1P3, a Novel H-Ferritin Pseudogene Transcriptionally Active, Is Ubiquitously Expressed and Regulated during Cell Differentiation.
- Authors
Di Sanzo, Maddalena; Aversa, Ilenia; Santamaria, Gianluca; Gagliardi, Monica; Panebianco, Mariafranca; Biamonte, Flavia; Zolea, Fabiana; Faniello, Maria Concetta; Cuda, Giovanni; Costanzo, Francesco
- Abstract
Ferritin, the major iron storage protein, performs its essential functions in the cytoplasm, nucleus and mitochondria. The variable assembly of 24 subunits of the Heavy (H) and Light (L) type composes the cytoplasmic molecule. In humans, two distinct genes code these subunits, both belonging to complex multigene families. Until now, one H gene has been identified with the coding sequence interrupted by three introns and more than 20 intronless copies widely dispersed on different chromosomes. Two of the intronless genes are actively transcribed in a tissue-specific manner. Herein, we report that FTH1P3, another intronless pseudogene, is transcribed. FTH1P3 transcript was detected in several cell lines and tissues, suggesting that its transcription is ubiquitary, as it happens for the parental ferritin H gene. Moreover, FTH1P3 expression is positively regulated during the cell differentiation process.
- Subjects
CELL differentiation; FERRITIN; PSEUDOGENES; GENETIC transcription; GENE expression; GENETIC regulation
- Publication
PLoS ONE, 2016, Vol 11, Issue 3, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0151359