Name

LEFTY2 Gene

left-right determination factor 2

This gene encodes a secreted ligand of the TGF-beta (transforming growth factor-beta) superfamily of proteins. Ligands of this family bind various TGF-beta receptors leading to recruitment and activation of SMAD family transcription factors that regulate gene expression. The encoded preproprotein is proteolytically processed to generate the mature protein, which plays a role in left-right asymmetry determination of organ systems during development. The protein may also play a role in endometrial bleeding. Mutations in this gene have been associated with left-right axis malformations, particularly in the heart and lungs. Some types of infertility have been associated with dysregulated expression of this gene in the endometrium. This gene is closely linked to both a related family member and a related pseudogene. This gene encodes multiple isoforms that may undergo similar proteolytic processing. [provided by RefSeq, Aug 2016]

LEFTY3 Gene

left-right determination factor 2 pseudogene

LEFTY1 Gene

left-right determination factor 1

This gene encodes a secreted ligand of the TGF-beta (transforming growth factor-beta) superfamily of proteins. Ligands of this family bind various TGF-beta receptors leading to recruitment and activation of SMAD family transcription factors that regulate gene expression. The encoded preproprotein is proteolytically processed to generate the mature protein, which plays a role in left-right asymmetry determination of organ systems during development. This gene is closely linked to both a related family member and a related pseudogene. [provided by RefSeq, Aug 2016]

LVNC2 Gene

noncompaction of left ventricular myocardium, familial isolated, autosomal dominant 2

CIROP Gene

ciliated left-right organizer metallopeptidase

Predicted to enable peptidase activity. Predicted to be involved in establishment of left/right asymmetry. Predicted to be located in membrane. Predicted to be active in cytoplasm. [provided by Alliance of Genome Resources, Mar 2025]

CIROZ Gene

ciliated left-right organizer protein containing ZP-N domains

Predicted to act upstream of or within determination of left/right symmetry and heart development. [provided by Alliance of Genome Resources, Mar 2025]