raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:528105

Hypohidrosis-electrolyte imbalance-lacrimal gland dysfunction-ichthyosis-xerostomia syndrome

Synonyms: HELIX syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Adolescent, Adult, Childhood
Status
active

A rare genetic disease characterized by abnormalities in renal ion transport, ectodermal gland homeostasis, and epidermal integrity, resulting in generalized hypohidrosis, heat intolerance, salt-losing nephropathy, electrolyte imbalance, lacrimal gland dysfunction, ichthyosis, and xerostomia. Development of nephrolithiasis and severe enamel wear have also been described. Laboratory findings include hypermagnesemia, hypokalemia, hypercalcemia, and hypocalciuria.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHypohidrosis-electrolyte imbalance-lacrimal gland dysfunction-ichthyosis-xerostomia syndromeHELIX syndrome
frSyndrome d'hypohidrose-déséquilibre électrolytique-dysfonctionnement des glandes lacrymales-ichtyose-xérostomieSyndrome HELIX
deHypohydrosis-Elektrolytstörung-Tränendrüsenfunktionsstörung-Ichthyosis-Xerostomie-SyndromHELIX-Syndrom
esSíndrome de hipohidrosis-desequilibrio electrolítico-disfunción de las glándulas lagrimales-ictiosis-xerostomíaSíndrome HELIX
itSindrome ipoidrosi-squilibrio elettrolitico-disfunzione della ghiandola lacrimale-ittiosi-xerostomiaSindrome HELIX
nlHypohidrose - verstoorde elektrolytenbalans - disfunctie van traanklieren - ichthyosis- xerostomie-syndroomHELIX-syndroom
ptSíndrome de hipohidrose-desequilibrio electrolítico-disfunção glândula lacrinal-ictiose-xerostomia
plZespół hipohydrozy-zaburzeń elektrolitowych-niewydolności gruczołu łzowego-rybiej łuski-suchości jamy ustnejZespół HELIX
csSyndrom zahrnující hypohidrózu, elektrolytovou nerovnováhu, dysfunkci slzné žlázy, ichtyózu a xerostomiiSyndrom HELIX
ukСиндром гіпогідрозу-електролітного дисбалансу-дисфункціїя слізних залоз-іхтіозу-ксеростоміїСиндром HELIX
zh少汗症-电解质失衡-泪腺功能障碍-鱼鳞癣-口腔干燥综合症= en
trHipohidroz-elektrolit dengesizliği-lakrimal bez disfonksiyonu-iktiyoz-kserostomi sendromuHELIX sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM617671Evalidated
ICD-10N25.8NTBTattributedvalidated
ICD-11GB90.4YNTBTattributedvalidated
MONDO0060564Evalidated
UMLSC4522164Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CLDN10Disease-causing germline mutation(s) inAssessedHGNC:2033ENSG0000013487361757913q32.1claudin 1028674042[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families22 casesWorldwideCase(s)ValidatedDOI: https://doi.org/10.1053/j.ajkd.2018.08.015[OTHER]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_DOI: https://doi.org/10.1053/j.ajkd.2018.08.015[OTHER]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

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Sources for this card