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Cataracts, hearing impairment, nephrotic syndrome, and enterocolitis 2(CHINE2)

MedGen UID:
1841226
Concept ID:
C5830590
Disease or Syndrome
Synonym: CHINE2
 
Gene (location): NOP10 (15q14)
 
Monarch Initiative: MONDO:0958193
OMIM®: 620425

Definition

Cataracts, hearing impairment, nephrotic syndrome, and enterocolitis-2 (CHINE2) is an autosomal recessive syndromic disorder characterized by onset of this constellation of features in infancy, resulting in death in early childhood. Telomeres are shortened, but classic mucocutaneous features of DKCB1 are not typically observed. CHINE2 is due to a ribosomal pseudouridylation defect (Balogh et al., 2020). See also CHINE1 (301108), caused by mutation in the DKC1 gene (300126). [from OMIM]

Clinical features

From HPO
Focal segmental glomerulosclerosis
MedGen UID:
4904
Concept ID:
C0017668
Disease or Syndrome
Segmental accumulation of scar tissue in individual (but not all) glomeruli.
Nephrotic syndrome
MedGen UID:
10308
Concept ID:
C0027726
Disease or Syndrome
Nephrotic syndrome is a collection of findings resulting from glomerular dysfunction with an increase in glomerular capillary wall permeability associated with pronounced proteinuria. Nephrotic syndrome refers to the constellation of clinical findings that result from severe renal loss of protein, with Proteinuria and hypoalbuminemia, edema, and hyperlipidemia.
Mesangial hypercellularity
MedGen UID:
924090
Concept ID:
C4281741
Cell or Molecular Dysfunction
Increased numbers of mesangial cells per glomerulus, defined as more than 3 nuclei fully surrounded by matrix in one or more mesangial areas, not including perihilar region, on a standard 3-micron-thick tissue section, best evaluated on periodic acid-Schiff (PAS) stain.
Enterocolitis
MedGen UID:
4966
Concept ID:
C0014356
Disease or Syndrome
An inflammation of the colon and small intestine. However, most conditions are either categorized as Enteritis (inflammation of the small intestine) or Colitis (inflammation of the large intestine).
Cerebellar hypoplasia
MedGen UID:
120578
Concept ID:
C0266470
Congenital Abnormality
Cerebellar hypoplasia is a descriptive term implying a cerebellum with a reduced volume, but a normal shape and is stable over time.
CNS hypomyelination
MedGen UID:
892446
Concept ID:
C4025616
Finding
Reduced amount of myelin in the central nervous system resulting from defective myelinogenesis.
Cataract
MedGen UID:
39462
Concept ID:
C0086543
Disease or Syndrome
A cataract is an opacity or clouding that develops in the crystalline lens of the eye or in its capsule.

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