PRICKLE1

Overview

PRICKLE1 produces a protein that participates in planar cell polarity signalling, a fundamental developmental process whereby cells become organised in a coordinated direction across tissue planes. This highly conserved pathway operates during embryogenesis to establish proper cell orientation and migration patterns. When PRICKLE1 function is disrupted, the coordinated alignment of cells may be affected, potentially influencing the development of various organ systems. Research into this gene has expanded understanding of how cellular organisation is achieved during normal development and what happens when these processes are altered.

What the gene does

The PRICKLE1 protein functions as a core component of the planar cell polarity signalling cascade, a pathway that determines how cells orient themselves relative to their neighbours within a tissue layer. This protein interacts with other planar cell polarity pathway members to establish asymmetric protein distribution at cell membranes, creating directional cues that guide cellular behaviour. The protein's activity is particularly important during neural tube formation, where proper cell orientation is required for closure of the developing spinal cord and brain structures. PRICKLE1 also contributes to the organisation of cells in developing limbs and other tissues where directional growth and patterning are essential. By helping to establish these positional signals, the protein ensures that tissues develop with appropriate architecture and function.

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Chromosome location

PRICKLE1 is located on the long arm of chromosome 12 at position 12q12. This chromosomal region contains multiple genes involved in developmental processes. The precise number of exons and full genomic structure have been characterised through genome sequencing efforts, though detailed structural annotations continue to be refined as more comprehensive genomic data become available.

Protein structure

Domain architecture has not been experimentally characterised in detail for this protein.

Key variants

Genetic variants in PRICKLE1 encompass a range of changes, from single nucleotide substitutions to larger deletions or insertions that may affect protein production or function. The clinical significance of many variants remains under investigation, as understanding the full spectrum of pathogenic changes requires correlation with clinical presentations and functional studies. Variant classification follows established guidelines, with assignments updated as new evidence emerges from research and clinical observation.

No pathogenic or likely-pathogenic ClinVar variants recorded yet for this gene.

Associated conditions

Alterations in PRICKLE1 have been associated with developmental conditions affecting the nervous system and skeleton, though the full range of clinical presentations continues to be characterised. Research suggests that disruptions to planar cell polarity signalling can influence neural tube closure and other embryonic processes, potentially contributing to structural anomalies. The inheritance pattern and phenotypic spectrum associated with PRICKLE1 variants are areas of ongoing clinical investigation, with studies working to establish clearer genotype-phenotype correlations.

No disease links recorded for this gene in our reference set.

UK clinical status

Related genes

Several other genes participate in planar cell polarity signalling pathways alongside PRICKLE1, encoding proteins that work together to establish proper cell orientation during development. These genes form a functional network that coordinates cellular behaviour across developing tissues, and variants in multiple members of this pathway have been linked to overlapping developmental phenotypes.

No related genes found in our reference set.

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