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PIEZO2

Chr 18p11.22-p11.21

piezo type mechanosensitive ion channel component 2

Aliases:
FLJ23403, FLJ23144, HsT748, HsT771, FLJ34907
MANE:
ENST00000674853.1

Annotations refreshed 11 hours ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Arthrogryposis

    BOTH monoallelic and biallelic, autosomal or pseudoautosomal
  • Clefting

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Congenital myopathy

    BOTH monoallelic and biallelic, autosomal or pseudoautosomal
  • DDG2P

    BOTH monoallelic and biallelic, autosomal or pseudoautosomal
  • Fetal anomalies

    BOTH monoallelic and biallelic, autosomal or pseudoautosomal
  • Hereditary neuropathy or pain disorder

    BIALLELIC, autosomal or pseudoautosomal
  • Ehlers Danlos syndrome with a likely monogenic cause

    BIALLELIC, autosomal or pseudoautosomal
  • Intellectual disability

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

Disease associations (Open Targets)

  • arthrogryposis- oculomotor limitation-electroretinal anomalies syndrome

    0.78
  • Gordon syndrome

    0.77
  • distal arthrogryposis

    0.74
  • Arthrogryposis with oculomotor limitation and electroretinal anomalies

    0.71
  • Marden-Walker syndrome

    0.67
  • hereditary disease

    0.53
  • arthrogryposis multiplex congenita

    0.46
  • fetal akinesia deformation sequence 1

    0.45
  • diverticular disease

    0.42
  • neurodegenerative disease

    0.40

Score is the Open Targets composite evidence score (0-1). Higher = stronger gene-disease association.

Protein function (UniProt)

Piezo-type mechanosensitive ion channel component 2

Pore-forming subunit of the mechanosensitive non-specific cation Piezo channel required for rapidly adapting mechanically activated (MA) currents and has a key role in sensing touch and tactile pain (PubMed:37590348). Piezo channels are homotrimeric three-blade propeller-shaped structures that utilize a cap-motion and plug-and-latch mechanism to gate their ion-conducting pathways (PubMed:37590348). Expressed in sensory neurons, is essential for diverse physiological processes, including respiratory control, systemic metabolism, urinary function, and proprioception (By similarity). Mediates airway stretch sensing, enabling efficient respiration at birth and maintaining normal breathing in adults (By similarity). It regulates brown and beige adipose tissue morphology and function, preventing systemic hypermetabolism (By similarity). In the lower urinary tract, acts as a sensor in both the bladder urothelium and innervating sensory neurons being required for bladder-stretch sensing and urethral micturition reflexes, ensuring proper urinary function (PubMed:33057202). Additionally, PIEZO2 serves as the principal mechanotransducer in proprioceptors, facilitating proprioception and coordinated body movements (By similarity). In inner ear hair cells, PIEZO1/2 subunits may constitute part of the mechanotransducer (MET) non-selective cation channel complex where they may act as pore-forming ion-conducting component in the complex (By similarity). Required for Merkel-cell mechanotransduction (By similarity). Plays a major role in light-touch mechanosensation (By similarity). In kidney, during blood volume challenges, regulates calcium dynamics and maintains renin production, thereby serving as an essential regulator of the renin-angiotensin-aldosterone system (RAAS) and systemic blood volume control (By similarity)

Data sources: HGNC (CC BY 4.0), AlphaFold (CC BY 4.0, Jumper et al. Nature 2021), Genomics England PanelApp (CC BY 4.0), ClinGen, Open Targets (CC0), UniProt.

Not for sole clinical decision-making. Always verify against primary sources.