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Nephrotic syndrome, type 17(NPHS17)

MedGen UID:: 1648294
•Concept ID:: C4748545
•: Disease or Syndrome

Synonyms:	NEPHROTIC SYNDROME, TYPE 17; NPHS17

Gene (location): Gene(s) directly associated with this condition or phenotype.	NUP85 (17q25.1)

Monarch Initiative:	MONDO:0032580
OMIM®:	618176

Definition

NPHS17, a disease of the renal glomerular filter, is characterized by proteinuria, edema, and hypoalbuminemia. It does not respond to drug treatment and inevitably progresses to end-stage renal disease, thus requiring dialysis or renal transplantation for survival. Renal histology shows focal segmental glomerulosclerosis (Braun et al., 2018). For a general phenotypic description and a discussion of genetic heterogeneity of nephrotic syndrome, see NPHS1 (256300). [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.

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Proteinuria

MedGen UID:: 10976
•Concept ID:: C0033687
•: Finding

Increased levels of protein in the urine.

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Microscopic hematuria

MedGen UID:: 65997
•Concept ID:: C0239937
•: Finding

Microscopic hematuria detected by dipstick or microscopic examination of the urine.

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Steroid-resistant nephrotic syndrome

MedGen UID:: 588369
•Concept ID:: C0403397
•: Disease or Syndrome

A form of nephrotic syndrome that does not respond to treatment with steroid medication, defined as persistent proteinuria despite 60mg/m2 or 2mg/kg for 8 weeks, after insuring no infection or non-adherence to medication.

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Stage 5 chronic kidney disease

MedGen UID:: 384526
•Concept ID:: C2316810
•: Disease or Syndrome

A degree of kidney failure severe enough to require dialysis or kidney transplantation for survival characterized by a severe reduction in glomerular filtration rate (less than 15 ml/min/1.73 m2) and other manifestations including increased serum creatinine.

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Short stature

MedGen UID:: 87607
•Concept ID:: C0349588
•: Finding

A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to "short stature" as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms).

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Abnormality of the genitourinary system
Growth abnormality
- Short stature

Professional guidelines

PubMed

Guidelines for Genetic Testing and Management of Alport Syndrome.

Savige J, Lipska-Zietkiewicz BS, Watson E, Hertz JM, Deltas C, Mari F, Hilbert P, Plevova P, Byers P, Cerkauskaite A, Gregory M, Cerkauskiene R, Ljubanovic DG, Becherucci F, Errichiello C, Massella L, Aiello V, Lennon R, Hopkinson L, Koziell A, Lungu A, Rothe HM, Hoefele J, Zacchia M, Martic TN, Gupta A, van Eerde A, Gear S, Landini S, Palazzo V, Al-Rabadi L, Claes K, Corveleyn A, Van Hoof E, van Geel M, Williams M, Ashton E, Belge H, Ars E, Bierzynska A, Gangemi C, Renieri A, Storey H, Flinter F
Clin J Am Soc Nephrol 2022 Jan;17(1):143-154. Epub 2021 Dec 20 doi: 10.2215/CJN.04230321. PMID: 34930753 Free PMC Article

Rituximab treatment for difficult-to-treat nephrotic syndrome in children: a multicenter, retrospective study.

Taşdemir M, Canpolat N, Yıldız N, Özçelik G, Benzer M, Saygılı SK, Özkayin EN, Türkkan ÖN, Balat A, Candan C, Çelakıl M, Yavuz S, Akıncı N, Göknar N, Akgün C, Tülpar S, Alpay H, Sever FL, Bilge İ
Turk J Med Sci 2021 Aug 30;51(4):1781-1790. doi: 10.3906/sag-2012-297. PMID: 33581711 Free PMC Article

Management of children with congenital nephrotic syndrome: challenging treatment paradigms.

Dufek S, Holtta T, Trautmann A, Ylinen E, Alpay H, Ariceta G, Aufricht C, Bacchetta J, Bakkaloglu SA, Bayazit A, Cicek RY, Dursun I, Duzova A, Ekim M, Iancu D, Jankauskiene A, Klaus G, Paglialonga F, Pasini A, Printza N, Said Conti V, do Sameiro Faria M, Schmitt CP, Stefanidis CJ, Verrina E, Vidal E, Vondrak K, Webb H, Zampetoglou A, Bockenhauer D, Edefonti A, Shroff R
Nephrol Dial Transplant 2019 Aug 1;34(8):1369-1377. doi: 10.1093/ndt/gfy165. PMID: 30215773

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Nephrotic syndrome, type 17(NPHS17)

Definition

Clinical features

Professional guidelines

PubMed

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