Ichthyosis, Congenital, Autosomal Recessive 2; Arci2

Description

Autosomal recessive congenital ichthyosis (ARCI) is a heterogeneous group of disorders of keratinization characterized primarily by abnormal skin scaling over the whole body. These disorders are limited to skin, with approximately two-thirds of patients presenting severe symptoms. The main skin phenotypes are lamellar ichthyosis (LI) and nonbullous congenital ichthyosiform erythroderma (NCIE), although phenotypic overlap within the same patient or among patients from the same family can occur (summary by Fischer, 2009). Neither histopathologic findings nor ultrastructural features clearly distinguish between NCIE and LI. In addition, mutations in several genes have been shown to cause both lamellar and nonbullous ichthyosiform erythrodermal phenotypes (Akiyama et al., 2003). At the First Ichthyosis Consensus Conference in Soreze in 2009, the term 'autosomal recessive congenital ichthyosis' (ARCI) was designated to encompass LI, NCIE, and harlequin ichthyosis (ARCI4B ) (Oji et al., 2010).NCIE is characterized by prominent erythroderma and fine white, superficial, semiadherent scales. Most patients present with collodion membrane at birth and have palmoplantar keratoderma, often with painful fissures, digital contractures, and loss of pulp volume. In half of the cases, a nail dystrophy including ridging, subungual hyperkeratosis, or hypoplasia has been described. Ectropion, eclabium, scalp involvement, and loss of eyebrows and lashes seem to be more frequent in NCIE than in lamellar ichthyosis (summary by Fischer et al., 2000). In LI, the scales are large, adherent, dark, and pigmented with no skin erythema. Overlapping phenotypes may depend on the age of the patient and the region of the body. The terminal differentiation of the epidermis is perturbed in both forms, leading to a reduced barrier function and defects of lipid composition in the stratum corneum (summary by Lefevre et al., 2006).In later life, the skin in ARCI may have scales that cover the entire body surface, including the flexural folds, and the scales are highly variable in size and color. Erythema may be very mild and almost invisible. Some affected persons exhibit scarring alopecia, and many have secondary anhidrosis (summary by Eckl et al., 2005).For a discussion of genetic heterogeneity of autosomal recessive congenital ichthyosis, see ARCI1 (OMIM ).

Clinical Features

Top most frequent phenotypes and symptoms related to Ichthyosis, Congenital, Autosomal Recessive 2; Arci2

  • Intellectual disability
  • Pica
  • Growth delay
  • Alopecia
  • Erythema
  • Hyperkeratosis
  • Abnormality of the pinna
  • Ichthyosis
  • Everted lower lip vermilion
  • Palmoplantar keratoderma
And another 22 symptoms. If you need more information about this disease we can help you.
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Incidence and onset information

Not enough data available about incidence and published cases.


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Ichthyosis, Congenital, Autosomal Recessive 2; Arci2 Recommended genes panels

Panel Name, Specifity and genes Tested/covered
ALOXE3.

By Institute for Human Genetics University Clinic Freiburg in Germany.

ALOXE3
Specificity
100 %
Genes
34 %
ALOXE3. Complete sequencing.

By Instituto de Medicina Genomica Instituto de Medicina Genomica in Spain.

ALOXE3
Specificity
100 %
Genes
34 %
TGM1, ALOX12B, ALOXE3, ABCA12. NextGeneDx. Complete sequencing by NGS.

By Instituto de Medicina Genomica Instituto de Medicina Genomica in Spain.

ABCA12, ALOX12B, ALOXE3
Specificity
67 %
Genes
67 %
Congenital ichthyosis type 3, AR (sequence analysis of ALOXE3 gene).

By CGC Genetics in Portugal.

ALOXE3
Specificity
100 %
Genes
34 %
Autosomal Recessive Congenital Ichthyosis (ARCI) via ALOXE3 Gene Sequencing with CNV Detection.

By PreventionGenetics PreventionGenetics in United States.

ALOXE3
Specificity
100 %
Genes
34 %
Congenital Ichthyosis and Related Disorders Sequencing Panel with CNV Detection.

By PreventionGenetics PreventionGenetics in United States.

ABCA12, ABHD5, TGM1, CLDN1, ALOX12B, KRT9, SLC27A4, KRT10, NIPAL4, KRT1, CERS3, ALOXE3, PNPLA1, KRT2, CYP4F22, AP1S1, POMP, LIPN, ST14
Specificity
11 %
Genes
67 %
Ichthyosis Deletion / Duplication panel.

By Connective Tissue Gene Tests in United States.

ABCA12, TGM1, GJB3, GJA1, TGM5, CHST8, CDSN, ALOX12B, KRT10, NIPAL4, KRT1, CERS3, LOR, STS, ALOXE3, PNPLA1, KRT2, CYP4F22, POMP, GJB4 , (...)

View the complete list with 8 more genes
Specificity
11 %
Genes
100 %
Ichthyosis NGS panel.

By Connective Tissue Gene Tests in United States.

ABCA12, TGM1, GJB3, GJA1, TGM5, CHST8, CDSN, ALOX12B, KRT10, NIPAL4, KRT1, CERS3, LOR, STS, ALOXE3, PNPLA1, KRT2, CYP4F22, POMP, GJB4 , (...)

View the complete list with 8 more genes
Specificity
11 %
Genes
100 %
Ichthyosis Comprehensive panel.

By Connective Tissue Gene Tests in United States.

ABCA12, TGM1, GJB3, GJA1, TGM5, CHST8, CDSN, ALOX12B, KRT10, NIPAL4, KRT1, CERS3, LOR, STS, ALOXE3, PNPLA1, KRT2, CYP4F22, POMP, GJB4 , (...)

View the complete list with 8 more genes
Specificity
11 %
Genes
100 %
Ichthyosiform erythroderma, congenital, nonbullous type 1.

By Centogene AG - the Rare Disease Company in Germany.

ALOXE3
Specificity
100 %
Genes
34 %
CentoICU platinum plus.

By Centogene AG - the Rare Disease Company in Germany.

BRCA2, F2, F5, MTHFR, UBE3A, MCCC1, MCCC2, AARS2, ACAD9, ACADL, ACADM, ACADS, AGL, ACADVL, ACAT1, ALDOA, ALDOB, FBP1, PC, GYS2 , (...)

View the complete list with 494 more genes
Specificity
1 %
Genes
67 %
CentoICU platinum.

By Centogene AG - the Rare Disease Company in Germany.

BRCA2, F2, F5, MTHFR, UBE3A, MCCC1, MCCC2, AARS2, ACAD9, ACADL, ACADM, ACADS, AGL, ACADVL, ACAT1, ALDOA, ALDOB, FBP1, PC, GYS2 , (...)

View the complete list with 494 more genes
Specificity
1 %
Genes
67 %
Ichthyoses and related disorders of cornification Panel.

By CeGaT GmbH in Germany.

ABCA12, ELOVL4, DSP, TAT, ABHD5, ALDH3A2, PHYH, ALMS1, GJB2, GJB6, SUMF1, TGM1, ATP2A2, ERCC2, ERCC3, GJB3, MBTPS2, EBP, NSDHL, CTSC , (...)

View the complete list with 45 more genes
Specificity
4 %
Genes
67 %
ICHTHYOSIS (CONGENITAL).

By GENETAQ Molecular Genetics Centre and Diagnosis of Rare Diseases in Spain.

ABCA12, TGM1, ALOX12B, NIPAL4, ALOXE3, PNPLA1, KRT2, CYP4F22
Specificity
25 %
Genes
67 %
ALOXE3.

By Fulgent Genetics Fulgent Genetics in United States.

ALOXE3
Specificity
100 %
Genes
34 %
Ichthyosis Panel.

By Blueprint Genetics in Finland.

ABCA12, ABHD5, ALDH3A2, PHYH, GJB2, PEX7, SUMF1, TGM1, ERCC2, GJB3, MBTPS2, EBP, GJA1, CDSN, ALOX12B, KRT9, SLC27A4, KRT10, NIPAL4, SPINK5 , (...)

View the complete list with 11 more genes
Specificity
7 %
Genes
67 %
Congenital lamellar ichthyosis type 3.

By Bioarray in Spain.

ALOXE3
Specificity
100 %
Genes
34 %
ICHTHYOSIS CONGENITA, AUTOSOMAL RECESSIVE: NGS PANEL.

By Laboratorio de Genetica Clinica SL in Spain.

ABCA12, TGM1, ALOX12B, NIPAL4, CERS3, ALOXE3, PNPLA1, CYP4F22, LIPN
Specificity
23 %
Genes
67 %
ICHTHYOSIFORM ERYTHRODERMA, NON-BULLOUS CONGENITAL.

By Laboratorio de Genetica Clinica SL in Spain.

TGM1, ALOX12B, NIPAL4, ALOXE3
Specificity
50 %
Genes
67 %
ICHTHYOSIS CONGENITA, AUTOSOMAL RECESSIVE.

By Laboratorio de Genetica Clinica SL in Spain.

ABCA12, TGM1, ALOX12B, NIPAL4, CERS3, ALOXE3, PNPLA1, CYP4F22, LIPN
Specificity
23 %
Genes
67 %
Autosomal Recessive Congenital Ichthyosis Type 3 , Sequencing ALOXE3 Gene.

By Reference Laboratory Genetics in Spain.

ALOXE3
Specificity
100 %
Genes
34 %
Congenital Ichthyosis and related disorders , Panel Massive Sequencing (NGS) 33 Genes.

By Reference Laboratory Genetics in Spain.

ABCA12, PHYH, GJB2, PEX7, SUMF1, TGM1, ERCC3, GJB3, EBP, TGM5, CLDN1, SNAP29, ALOX12B, KRT9, SLC27A4, KRT10, NIPAL4, SPINK5, KRT1, LOR , (...)

View the complete list with 13 more genes
Specificity
7 %
Genes
67 %
ALOX12B.

By Institute for Human Genetics University Clinic Freiburg in Germany.

ALOX12B
Specificity
100 %
Genes
34 %
ALOX12B. Complete sequencing.

By Instituto de Medicina Genomica Instituto de Medicina Genomica in Spain.

ALOX12B
Specificity
100 %
Genes
34 %
Congenital ichthyosis type 2, AR (sequence analysis of ALOX12B gene).

By CGC Genetics in Portugal.

ALOX12B
Specificity
100 %
Genes
34 %
Autosomal Recessive Congenital Ichthyosis (ARCI) via ALOX12B Gene Sequencing with CNV Detection.

By PreventionGenetics PreventionGenetics in United States.

ALOX12B
Specificity
100 %
Genes
34 %
Ichthyosiform erythroderma, congenital, nonbullous type 1.

By Centogene AG - the Rare Disease Company in Germany.

ALOX12B
Specificity
100 %
Genes
34 %
ALOX12B.

By Fulgent Genetics Fulgent Genetics in United States.

ALOX12B
Specificity
100 %
Genes
34 %
Congenital lamellar ichthyosis type 2.

By Bioarray in Spain.

ALOX12B
Specificity
100 %
Genes
34 %
Autosomal Recessive Congenital Ichthyosis Type 2 , Sequencing ALOX12B Gene.

By Reference Laboratory Genetics in Spain.

ALOX12B
Specificity
100 %
Genes
34 %
Tempus xO assay.

By Tempus Labs, Inc. in United States.

BRCA1, BRCA2, VHL, APC, EPCAM, MSH2, PMS2, MSH6, MLH1, MUTYH, PTEN, RECQL4, RUNX1, TP53, ABCB11, ABCB4, FKBP10, FOXL2, HNF1A, PPARG , (...)

View the complete list with 1693 more genes
Specificity
1 %
Genes
34 %
SULT2B1.

By Institute for Human Genetics University Clinic Freiburg in Germany.

SULT2B1
Specificity
100 %
Genes
34 %
Polycystic ovary syndrome type 1.

By Centogene AG - the Rare Disease Company in Germany.

SULT2B1
Specificity
100 %
Genes
34 %
SULT2B1.

By Fulgent Genetics Fulgent Genetics in United States.

SULT2B1
Specificity
100 %
Genes
34 %

Alternate names

Ichthyosis, Congenital, Autosomal Recessive 2; Arci2 Is also known as collodion baby, self-healing, ichthyosiform erythroderma, nonbullous congenital, 1, formerly;ncie1, formerly, ichthyosiform erythroderma, brocq congenital, nonbullous form, formerly.


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