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CAPN1 Gene Curation

CAPN1 Gene Curation

Gene-disease assertions not curated here (add link or write note):

Disease

CAPN1-related spastic paraplegia

Disease

CAPN1-related spastic paraplegia

Inheritance

Autosomal recessive

Prevalence

 

Source:

Rapid or full curation?

Rapid
Full

ClinGen / GenCC / BabySeq / HGMD / OMIM

No clingen curations, but 2 strong submissions in GenCC (Ambry and Invitae). No clinical validity scoring needed.

Clinical Validity Scoring Notes and points

N/A

Clinical Validity Points Total

N/A

Source:

Clinical Validity Classification

Definitive (12pts)

Strong (12pts)

Moderate (7-11pts)

Limited (0.1-6pts)

No genetic evidence

Refuted

Disputed

STRONG

Molecular Mechanism

Loss of function

Gain of function

Dominant negative

Unknown

Other

Loss of function

 

See PMID: 33486633 table S2:

  1. 142C>T p.Arg48*

  2. 188dup p.Val64Glyfs

  3. c.397C>T p.Arg133*

 

Penetrance

Complete (100%)

High (≥80%)

Moderate  (<80% and >20%)

Low (≤20%)

(list source/PMID)

 

Age of Onset

Congenital

Pediatric

Adolescent

Adulthood

Late adulthood

(list source/PMID)

Adolescent to primarily adult onset

 

(PMID: 33486633) is a good review of the lit, see supp table 2. Earliest onset at 1 year from Travaglini 2017 PMID: 28566166, 3 variants found, but all VUS in ClinVar CAPN1: c.221GNA; p.(G74D), c.911CNT; p.(T304M), and c.1418GNT; p.(R473L).

Severity

 

Clinical Features

 

Sources:

HPO Terms

https://hpo.jax.org/app/

 

Gene SOPs & Notes

 LINK if SOP is a long document. Short notes if it is easy to digest. eg. Last known truncating variant

Curation Summary

 

Case ID, Curator name, Date, Jira ticket link

AO 09.19.24 SDSM-2RN SDOR-HL PDO-37578 56752305182620