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Finnish congenital nephrotic syndrome(NPHS1)

MedGen UID:
98011
Concept ID:
C0403399
Disease or Syndrome
Synonyms: Congenital Finnish Nephrosis; Congenital nephrotic syndrome 1; Nephrosis 1, congenital, Finnish type; Nephrosis, congenital; NEPHROTIC SYNDROME, CONGENITAL; NEPHROTIC SYNDROME, TYPE 1; NPHS1
SNOMED CT: Finnish congenital nephrotic syndrome (197601003); CNF - Finnish congenital nephrotic syndrome (197601003); Congenital Finnish nephrosis (197601003)
Modes of inheritance:
Autosomal recessive inheritance
MedGen UID:
141025
Concept ID:
C0441748
Intellectual Product
Sources: HPO, OMIM
A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in individuals with two pathogenic alleles, either homozygotes (two copies of the same mutant allele) or compound heterozygotes (whereby each copy of a gene has a distinct mutant allele).
 
Gene (location): NPHS1 (19q13.12)
 
Monarch Initiative: MONDO:0009732
OMIM®: 256300
Orphanet: ORPHA839

Definition

The nephrotic syndrome is characterized clinically by proteinuria, hypoalbuminemia, hyperlipidemia, and edema. Kidney biopsies show nonspecific histologic changes such as minimal change, focal segmental glomerulosclerosis (FSGS), and diffuse mesangial proliferation. Approximately 20% of affected individuals have an inherited steroid-resistant form and progress to end-stage renal failure (summary by Fuchshuber et al., 1996). Nephrotic syndrome type 1 (NPHS1) is characterized by prenatal onset of massive proteinuria followed by severe steroid-resistant nephrotic syndrome apparent at birth with rapid progression to end-stage renal failure (Kestila et al., 1998). Because of confusion in the literature regarding use of the terms 'nephrotic syndrome' and 'focal segmental glomerulosclerosis' (see NOMENCLATURE section), these disorders in OMIM are classified as NPHS or FSGS according to how they were first designated in the literature. Genetic Heterogeneity of Nephrotic Syndrome and Focal Segmental Glomerulosclerosis Nephrotic syndrome and FSGS are genetically heterogeneous disorders representing a spectrum of hereditary renal diseases. See also NPHS2 (600995), caused by mutation in the podocin gene (604766); NPHS3 (610725), caused by mutation in the PLCE1 gene (608414); NPHS4 (256370), caused by mutation in the WT1 gene (607102); NPHS5 (614199), caused by mutation in the LAMB2 gene (150325); NPHS6 (614196), caused by mutation in the PTPRO gene (600579); NPHS7 (615008), caused by mutation in the DGKE gene (601440); NPHS8 (615244), caused by mutation in the ARHGDIA gene (601925); NPHS9 (615573), caused by mutation in the COQ8B gene (615567); NPHS10 (615861), caused by mutation in the EMP2 gene (602334); NPHS11 (616730), caused by mutation in the NUP107 gene (607617); NPHS12 (616892), caused by mutation in the NUP93 gene (614351); NPHS13 (616893), caused by mutation in the NUP205 gene (614352); NPHS14 (617575), caused by mutation in the SGPL1 gene (603729); NPHS15 (617609), caused by mutation in the MAGI2 gene (606382); NPHS16 (617783), caused by mutation in the KANK2 gene (614610), NPHS17 (618176), caused by mutation in the NUP85 gene (170285); NPHS18 (618177), caused by mutation in the NUP133 gene (607613); NPHS19 (618178), caused by mutation in the NUP160 gene (607614); NPHS20 (301028), caused by mutation in the TBC1D8B gene (301027); NPHS21 (618594) caused by mutation in the AVIL gene (613397); NPHS22 (619155), caused by mutation in the NOS1AP gene (605551); NPHS23 (619201), caused by mutation in the KIRREL1 gene (607428); and NPHS24 (619263), caused by mutation in the DAAM2 gene (606627). See also FSGS1 (603278), caused by mutation in the ACTN4 gene (604638); FSGS2 (603965), caused by mutation in the TRPC6 gene (603652); FSGS3 (607832), associated with variation in the CD2AP gene (604241); FSGS4 (612551), mapped to chromosome 22q12; FSGS5 (613237), caused by mutation in the INF2 gene (610982); FSGS6 (614131), caused by mutation in the MYO1E gene (601479); FSGS7 (616002), caused by mutation in the PAX2 gene (167409); FSGS8 (616032), caused by mutation in the ANLN gene (616027); and FSGS9 (616220), caused by mutation in the CRB2 gene (609720). [from OMIM]

Additional description

From MedlinePlus Genetics
Congenital nephrotic syndrome is a kidney condition that begins in infancy and typically leads to irreversible kidney failure (end-stage renal disease) by early childhood. Children with congenital nephrotic syndrome begin to have symptoms of the condition between birth and 3 months.\n\nThe features of congenital nephrotic syndrome are caused by failure of the kidneys to filter waste products from the blood and remove them in urine. Signs and symptoms of this condition are excessive protein in the urine (proteinuria), increased cholesterol in the blood (hypercholesterolemia), an abnormal buildup of fluid in the abdominal cavity (ascites), and swelling (edema). Affected individuals may also have blood in the urine (hematuria), which can lead to a reduced number of red blood cells (anemia) in the body, abnormal blood clotting, or reduced amounts of certain white blood cells. Low white blood cell counts can lead to a weakened immune system and frequent infections in people with congenital nephrotic syndrome.\n\nChildren with congenital nephrotic syndrome typically develop end-stage renal disease between ages 2 and 8, although with treatment, some may not have kidney failure until adolescence or early adulthood.  https://medlineplus.gov/genetics/condition/congenital-nephrotic-syndrome

Clinical features

From HPO
Abdominal distention
MedGen UID:
34
Concept ID:
C0000731
Finding
Distention of the abdomen.
Edema
MedGen UID:
4451
Concept ID:
C0013604
Pathologic Function
An abnormal accumulation of fluid beneath the skin, or in one or more cavities of the body.
Hypothyroidism
MedGen UID:
6991
Concept ID:
C0020676
Disease or Syndrome
Deficiency of thyroid hormone.
Proteinuria
MedGen UID:
10976
Concept ID:
C0033687
Finding
Increased levels of protein in the urine.
Pyloric stenosis
MedGen UID:
18780
Concept ID:
C0034194
Pathologic Function
Narrowing of the pyloric lumen caused either by hypertrophy of the surrounding muscles or tissue scarring due to a chronic peptic ulcer.
Glomerulosclerosis
MedGen UID:
61248
Concept ID:
C0178664
Disease or Syndrome
Accumulation of scar tissue within the glomerulus.
Small for gestational age
MedGen UID:
65920
Concept ID:
C0235991
Finding
Smaller than normal size according to sex and gestational age related norms, defined as a weight below the 10th percentile for the gestational age.
Hypoalbuminemia
MedGen UID:
68694
Concept ID:
C0239981
Finding
Reduction in the concentration of albumin in the blood.
Recurrent infections
MedGen UID:
65998
Concept ID:
C0239998
Finding
Increased susceptibility to infections.
Diffuse mesangial sclerosis
MedGen UID:
78698
Concept ID:
C0268747
Disease or Syndrome
Nephrotic syndrome within the first three motnhs of life, characterized initially by increased mesangial matrix, with or without hypertrophy and hyperplasia of podocytes, and eventual glomerular sclerosis.
Hypoproteinemia
MedGen UID:
581229
Concept ID:
C0392692
Finding
A decreased concentration of protein in the blood.
Hyperlipidemia
MedGen UID:
606448
Concept ID:
C0428465
Finding
An elevated lipid concentration in the blood.
Growth delay
MedGen UID:
99124
Concept ID:
C0456070
Pathologic Function
A deficiency or slowing down of growth pre- and postnatally.
Renal insufficiency
MedGen UID:
332529
Concept ID:
C1565489
Disease or Syndrome
Diminished kidney function.
Tubular atrophy
MedGen UID:
388054
Concept ID:
C1858395
Finding
The presence of renal tubules with thick redundant basement membranes, or a reduction of greater than 50% in tubular diameter compared to surrounding non-atrophic tubules.
Congenital nephrotic syndrome
MedGen UID:
502251
Concept ID:
C3501848
Disease or Syndrome
Nephrotic syndrome with onset within the first three months of life.
Neonatal respiratory distress
MedGen UID:
924182
Concept ID:
C4281993
Finding
Respiratory difficulty as newborn.
Gastroesophageal reflux
MedGen UID:
1368658
Concept ID:
C4317146
Finding
A condition in which the stomach contents leak backwards from the stomach into the esophagus through the lower esophageal sphincter.

Recent clinical studies

Etiology

Machuca E, Benoit G, Nevo F, Tête MJ, Gribouval O, Pawtowski A, Brandström P, Loirat C, Niaudet P, Gubler MC, Antignac C
J Am Soc Nephrol 2010 Jul;21(7):1209-17. Epub 2010 May 27 doi: 10.1681/ASN.2009121309. PMID: 20507940Free PMC Article

Therapy

Coulthard MG
Paediatr Int Child Health 2015 May;35(2):83-9. Epub 2014 Sep 16 doi: 10.1179/2046905514Y.0000000154. PMID: 25223408Free PMC Article
Pomeranz A, Wolach B, Bernheim J, Korzets Z, Bernheim J
J Pediatr 1995 Jan;126(1):140-2. doi: 10.1016/s0022-3476(95)70518-x. PMID: 7815205
Coulthard MG
Pediatr Nephrol 1989 Oct;3(4):451-3. doi: 10.1007/BF00850226. PMID: 2642116

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