NM_005327.7(HADH):c.132+7G>T AND Hyperinsulinemic hypoglycemia

Germline classification:: Benign (1 submission)
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV003221350.1

Allele description [Variation Report for NM_005327.7(HADH):c.132+7G>T]

NM_005327.7(HADH):c.132+7G>T

Gene:

HADH:hydroxyacyl-CoA dehydrogenase [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

4q25

Genomic location:

Preferred name:

NM_005327.7(HADH):c.132+7G>T

HGVS:

NC_000004.12:g.107990071G>T
NG_008156.2:g.5288G>T
NM_001184705.2:c.132+7G>T
NM_001184705.4:c.132+7G>T
NM_005327.7:c.132+7G>TMANE SELECT
NC_000004.11:g.108911227G>T
NM_005327.4:c.132+7G>T

Links:

dbSNP: rs534966818

Molecular consequence:

NM_001184705.4:c.132+7G>T - intron variant - [Sequence Ontology: SO:0001627]
NM_005327.7:c.132+7G>T - intron variant - [Sequence Ontology: SO:0001627]

Condition(s)

Name:: Hyperinsulinemic hypoglycemia
Synonyms:: Hyperinsulinemia hypoglycemia; Hyperinsulinemic hypoglycemia (disease)
Identifiers:: MONDO: MONDO:0005803; MedGen: C1864903; OMIM: PS256450; Human Phenotype Ontology: HP:0000825

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV003915687	Clinical Genomics, Uppaluri K&H Personalized Medicine Clinic	criteria provided, single submitter (K & H Uppaluri Personalized Medicine Clinic Variant Classification & Assertion Criteria_Updated V.1)	Benign	unknown	research	PubMed (3) [See all records that cite these PMIDs] 34547194, 34055426, 29280746 Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV003915687

Clinical Genomics, Uppaluri K&H Personalized Medicine Clinic

criteria provided, single submitter

(K & H Uppaluri Personalized Medicine Clinic Variant Classification & Assertion Criteria_Updated V.1)

Benign

unknown

research

PubMed (3)
[See all records that cite these PMIDs]

Citation Link

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	unknown	unknown	not provided	not provided	not provided	not provided	not provided	research

Citations

PubMed

Congenital hyperinsulinism: recent updates on molecular mechanisms, diagnosis and management.

Giri D, Hawton K, Senniappan S.

J Pediatr Endocrinol Metab. 2021 Sep 21;35(3):279-296. doi: 10.1515/jpem-2021-0369. Print 2022 Mar 28. Review.

PubMed [citation]

PMID:: 34547194

Genotyping of ABCC8, KCNJ11, and HADH in Iranian Infants with Congenital Hyperinsulinism.

Hashemian S, Esfehani RJ, Karimdadi S, Ghaemi N, Eshraghi P, Gonabadi NM, Sahebkar A, Vakili R, Abbaszadegan MR.

Case Rep Endocrinol. 2021;2021:8826174. doi: 10.1155/2021/8826174.

PubMed [citation]

PMID:: 34055426
PMCID:: PMC8137283

See all PubMed Citations (3)

Details of each submission

From Clinical Genomics, Uppaluri K&H Personalized Medicine Clinic, SCV003915687.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1		not provided	not provided	not provided	research	PubMed (3)

Description

Potent mutations in HADH gene are associated with congenital hyperinsulinism, which leads to recurrent hypoglycemia. The condition is exacerbated by stress, fasting or excessive dietary protein. May respond well to diazoxide. However, the role of this particular variant rs534966818 in congenital hyperinsulinism is yet to be ascertained.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	unknown	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Apr 12, 2026

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