raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:179494

Obesity due to leptin receptor gene deficiency

Type
Etiological subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Childhood, Infancy
Status
active

A rare, genetic, non-syndromic, obesity disease characterized by severe, early-onset obesity, associated with major hyperphagia and endocrine abnormalities, resulting from leptin receptor deficiency.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enObesity due to leptin receptor gene deficiency
frObésité par déficit en récepteur de la leptine
deAdipositas durch Leptin-Rezeptor-Genmutationen
esObesidad por deficiencia del gen receptor de leptina
itObesità da deficit del recettore della leptina
nlObesitas door leptinereceptorgendeficiëntie
ptObesidade por deficiência no gene do recetor da leptina
plOtyłość z powodu niedoboru genu receptora dla leptyny
csObezita způsobená poruchou genu pro leptinový receptor
ukОжиріння через дефіцит гена рецептора лептину
zh瘦素受体基因缺陷所致肥胖
trLeptin reseptör gen eksikliğine bağlı obezite

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM614963Evalidated
ICD-10E66.8NTBTattributedvalidated
ICD-115B81.YNTBTindexvalidated
MONDO0013992Evalidated
UMLSC5191640Evalidated

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

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
LEPRDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:6554ENSG000001166786010071p31.3leptin receptor9537324[PMID]_17229951[PMID]
5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

21 annotations · validated 2017-02-20
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0003292Decreased serum leptin
HP:0001513Obesity
Very frequent (99-80%)
HP:0008187Absence of secondary sex characteristics
HP:0005419Decreased T cell activation
HP:0032218Decreased proportion of CD4-positive T cells
HP:0008214Decreased serum estradiol
HP:0040171Decreased serum testosterone concentration
HP:0008734Decreased testicular size
HP:0000771Gynecomastia
HP:0000815Hypergonadotropic hypogonadism
HP:0000842Hyperinsulinemia
HP:0008724Hypoplasia of the ovary
HP:0002591Polyphagia
HP:0000786Primary amenorrhea
Frequent (79-30%)
HP:0005616Accelerated skeletal maturation
HP:0000712Emotional lability
HP:0002155Hypertriglyceridemia
HP:0000831Insulin-resistant diabetes mellitus
HP:0004926Orthostatic hypotension due to autonomic dysfunction
HP:0008245Pituitary hypothyroidism
HP:0002788Recurrent upper respiratory tract infections

Run the differential on the 12 obligate / very frequent terms

Annotation source: 17229951[PMID]_9537324[PMID]_10486419[PMID]_9202122[PMID]

7

Sources for this card