FSHD region gene 2 family member H, pseudogene (FRG2HP)

FSHD region gene 2 family member H, pseudogene (FRG2HP), is an unprocessed transcribed pseudogene on chromosome 16 (location 16:35335277-35336889, cytogenetic band 16p11.1). It is a member of the FRG2 gene family, originally linked by proximity and expression patterns to the D4Z4 repeat region involved in FSHD, a form of muscular dystrophy. However, as a pseudogene, FRG2HP lacks functional protein-coding potential due to mutations that disrupt translation or regulatory elements. Pseudogenes like FRG2HP may have regulatory roles at the DNA or RNA level, such as influencing nearby gene expression, acting as competing endogenous RNAs, or producing non-coding RNAs. There is no evidence that FRG2HP is a druggable therapeutic target, nor that it interacts with known drugs. While the broader FRG2/FRG2-like gene family may be transcriptionally deregulated in FSHD, FRG2HP itself is not considered a biomarker, therapeutic target, or risk gene for disease. The "FRG2" nomenclature refers to a family of genes and pseudogenes that were studied in the context of FSHD, a muscular dystrophy caused by chromatin relaxation near the D4Z4 repeat on chromosome 4. FRG2 gene family members are dispersed throughout the genome, with FRG2HP representing a non-coding, inactivated member of this family. While some FRG2 family genes are upregulated in FSHD myoblasts, no data support FRG2HP itself as functionally relevant or druggable. Pseudogenes may have secondary roles as RNA decoys or epigenetic modifiers, but most remain functionally inert, and there is no published evidence of specific functional or clinical significance for FRG2HP.

Other names

FRG2HP