Ceroid Lipofuscinosis, Neuronal, 4a, Autosomal Recessive; Cln4a

Description

Adult-onset neuronal ceroid lipofuscinosis, also known as Kufs disease, is a neurodegenerative disorder without retinal involvement. There are 2 overlapping phenotypes: type A, characterized by progressive myoclonic epilepsy, and type B, characterized by dementia and a variety of motor-system signs (summary by Arsov et al., 2011).In general, the neuronal ceroid lipofuscinoses (NCL; CLN) are a clinically and genetically heterogeneous group of neurodegenerative disorders characterized by the intracellular accumulation of autofluorescent lipopigment storage material in different patterns ultrastructurally. The clinical course includes progressive dementia, seizures, and progressive visual failure (Mole et al., 2005). The ultrastructural pattern of lipopigment in CLN4 comprises a mixed pattern of 'granular,' 'curvilinear,' and 'fingerprint' profiles. (Mole et al., 2005).For a general phenotypic description and a discussion of genetic heterogeneity of CLN, see CLN1 (OMIM ).

Clinical Features

Top most frequent phenotypes and symptoms related to Ceroid Lipofuscinosis, Neuronal, 4a, Autosomal Recessive; Cln4a

  • Intellectual disability
  • Seizures
  • Ataxia
  • Blindness
  • Cerebellar atrophy
  • Behavioral abnormality
  • Dystonia
  • Cerebral atrophy
  • Depressivity
  • Dementia

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Incidence and onset information

Not enough data available about incidence and published cases.
No data available about the known clinical features onset.

Researches and researchers

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Ceroid Lipofuscinosis, Neuronal, 4a, Autosomal Recessive; Cln4a Recommended genes panels

Panel Name, Specifity and genes Tested/covered
GeneAware Complete Panel Version 2 (Female).

By Baylor Miraca Genetics Laboratories (United States).

RMRP, BCS1L, SACS, BLM, SGCA, SGCB, SGCG, SGSH, SLC12A6, SLC17A5, SLC22A5, SLC25A13, SLC25A15, SLC26A2, SLC35A3, SLC7A7, SMN1, SMPD1, BTD, BTK , (...)

View the complete list with 139 more genes
Specificity
1 %
Genes
100 %
GeneAware Complete Panel Version 2 (Male).

By Baylor Miraca Genetics Laboratories (United States).

RMRP, BCS1L, SACS, BLM, SGCA, SGCB, SGCG, SGSH, SLC12A6, SLC17A5, SLC22A5, SLC25A13, SLC25A15, SLC26A2, SLC35A3, SLC7A7, SMN1, SMPD1, BTD, TGM1 , (...)

View the complete list with 129 more genes
Specificity
1 %
Genes
100 %
Epilepsy Advanced Sequencing and CNV Evaluation - Neuronal Ceroid Lipofuscinosis.

By Athena Diagnostics Inc (United States).

DNAJC5, TPP1, CLN3, CLN5, CLN6, CLN8, KCTD7, CTSD, CTSF, MFSD8, ATP13A2, GRN, PPT1
Specificity
8 %
Genes
100 %
Epilepsy Advanced Sequencing and CNV Evaluation.

By Athena Diagnostics Inc (United States).

SCN1A, SCN1B, SCN2A, SCN3A, SCN5A, SCN8A, SCN9A, SHH, ST3GAL3, ST3GAL5, STIL, SIX3, SLC2A1, SLC35A2, SLC6A1, SLC6A8, SLC9A6, SMC1A, KDM5C, SMS , (...)

View the complete list with 214 more genes
Specificity
1 %
Genes
100 %
NGS Neuronal Ceroid Lipofuscinosis Panel.

By Greenwood Genetic Center Diagnostic Laboratories Greenwood Genetic Center (United States).

DNAJC5, TPP1, CLN3, CLN5, CLN6, CLN8, CTSD, MFSD8, PPT1
Specificity
12 %
Genes
100 %
NGS Epilepsy/Seizure Panel.

By Greenwood Genetic Center Diagnostic Laboratories Greenwood Genetic Center (United States).

SCN1A, SCN1B, SCN2A, SCN5A, SCN8A, SCN9A, SHH, ST3GAL3, ST3GAL5, STIL, SIX3, SLC2A1, SLC35A2, SLC9A6, SNAP25, SPTAN1, CDKL5, STXBP1, SYN1, SYNGAP1 , (...)

View the complete list with 124 more genes
Specificity
1 %
Genes
100 %
Lysosomal Storage Disease Panel.

By Greenwood Genetic Center Diagnostic Laboratories Greenwood Genetic Center (United States).

SGSH, SLC17A5, SMPD1, TCF4, MCOLN1, NPC2, ADAMTSL2, DNAJC5, SUMF1, TPP1, CLN3, CLN5, CLN6, CLN8, DYM, ANTXR2, COL11A2, PEX26, GNE, CTNS , (...)

View the complete list with 54 more genes
Specificity
2 %
Genes
100 %
Test for CLN6-Related Neuronal Ceroid-Lipofuscinosis.

By Genome Diagnostics Laboratory University Medical Center Utrecht (Netherlands).

CLN6
Specificity
100 %
Genes
100 %

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Sources and references

You can check the following sources for additional information.

OMIM Genetic Syndrome Finder

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