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NCL Disease

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Mutation and Patient Database

This database set up in 1998 contains published mutations and sequence variations in genes that cause NCL together with unpublished data included with permission.

There are two tables for each human NCL disease gene - Patient Datasheets list all published or reported patients and families, and the Mutation Datasheets list all published or reported mutations, cross-referenced to the patient table. In the latest updates, we are no longer recording sequence variants that are benign polymorphisms. The datasheets are available to view or download as excel files for off-site use to aid local needs or interests (e.g. sorting according to occurrence in particular countries) and the date of their last update indicated. The database follows the mutation nomenclature recommendations of the Human Genome Variation Society.

Click here for the mutation and patient database.

The database is protected by copyright and database rights. It is freely accessible and can be reproduced if proper reference is made to the database and its contributors.

Many of the lesions present in this database are included in others, including the European Bioinformatics Institute Sequence Variation Database, the Cardiff-based Human Gene Mutation Database, the UK Diagnostic Mutation Database (DMuDB) and the Human Genome Variation Database. These are good sources of sequence variants but may not contain unpublished mutations.

To submit new mutations or family details or to correct existing entries please contact Sara Mole.

This new database format is possible due to the considerable efforts of Maria Kousi in 2011, Varun Warrier and Mariana Vieira in 2012, and Emily Gardner from 2017. Anne Polvi helped in expanding these further in 2012 and in establishing the LOVD-version of this gene variant database. Biomarin provides financial assistance to maintain this site and these databases.

NCL Genes Tables

Human NCL genes

Summary mutation table to view (needs updating)

Summmary mutation table in excel format to download (needs updating)

Animal NCL genes

  • CLN1/PPT - Mutations generally cause NCL with onset in infancy, or any age up to adulthood.
  • CLN2/TPP1 - Mutations generally cause NCL with onset in late infancy, or at later ages.
  • CLN3 - Mutations cause NCL with juvenile onset, and occasionally disease of slower progression.
  • CLN4/DNAJC5 - Two mutations cause autosomal dominant adult onset NCL, also known as Parry disease.
  • CLN5 - Mutations generally cause NCL with onset in late infancy, or at later ages up to adulthood.
  • CLN6 - Mutations generally cause NCL with onset in late infancy, or at later ages up to adulthood including Kufs type A.
  • CLN7/MFSD8 - Mutations generally cause NCL with onset in late infancy, or at later ages.
  • CLN8 - Mutations generally cause NCL with onset in late infancy, or a very different disease, Northern epilepsy.
  • CLN10/CTSD - Mutations cause NCL with onset around birth or in early childhood, or at later ages.
  • CLN11/GRN - Mutations cause disease with adult onset.
  • CLN12/ATP13A2 - Mutations cause disease with juvenile onset.
  • CLN13/CTSF - Mutations cause disease with adult onset, including some Kufs type B.
  • CLN14/KCTD7 - Mutations cause disease with infantile onset.
  • CLN9 - This gene symbol is used for NCL with onset in the juvenile age range that is not CLN3 disease.
  • CLCN6 - Single mutations have been described in two late onset NCL patients.
  • SGSH - Two heterozygous mutations have been described in a single patient who was diagnosed with adult onset NCL. Mutations in this gene usually cause the more severe and unrelated disorder MPSIIIA .
  • cln6/nclf - The gene homologous to CLN6 is mutated in a naturally ocurring mouse model, nclf.
  • mnd/cln8 - The gene homologous to CLN8 is mutated in a naturally ocurring mouse model, mnd.
  • CLN8/CNCL - The gene homologous to CLN8 is mutated in a naturally ocurring dog model, English Setter.
  • CLN2 - The gene homologous to CLN2 is mutated in a naturally ocurring dog model, Longhaired Dachshund.
  • CLN5 - The gene homologous to CLN5 is mutated in a naturally ocurring dog model, Border collie.
  • CLN5 - The gene homologous to CLN5 is mutated in a naturally ocurring cow model, Devon cattle.
  • CLN5 - The gene homologous to CLN5 is mutated in a naturally ocurring sheep model, Borderdale.
  • CLN6 - The gene homologous to CLN6 is mutated in two naturally ocurring sheep models, Merino and South Hampshire.
  • CTSD/CLN10 - The gene homologous to CTSD is mutated in a naturally ocurring dog model, American Bulldog.
  • CTSD/CLN10/CONCL - The gene homologous to CTSD is mutated in a naturally ocurring sheep model, Swedish Landrace.
  • ctsf - The gene homologous to CTSF is mutated in an engineered mouse model.
  • ARSG - The gene homologous to ARSG is mutated in a naturally ocurring dog model, American Staffordshire Terrier.
  • ATP13A2 - The gene homologous to ATP13A2 is mutated in a naturally ocurring dog model, Tibetan Terrier.