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Nephrotic syndrome, type 9(NPHS9)

MedGen UID:
816295
Concept ID:
C3809965
Disease or Syndrome
Synonym: NPHS9
 
Gene (location): COQ8B (19q13.2)
 
Monarch Initiative: MONDO:0014257
OMIM®: 615573

Definition

Nephrotic syndrome type 9 (NPHS9) is an autosomal recessive chronic kidney disorder characterized by significant proteinuria resulting in hypoalbuminemia and edema. Onset is in the first or second decade of life. The disorder is steroid treatment-resistant and usually progresses to end-stage renal disease requiring transplantation. Renal biopsy shows focal segmental glomerulosclerosis (FSGS) or collapsing FSGS (summary by Ashraf et al., 2013). For a general phenotypic description and a discussion of genetic heterogeneity of nephrotic syndrome and FSGS, 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.
Proteinuria
MedGen UID:
10976
Concept ID:
C0033687
Finding
Increased levels of protein in the urine.
Glomerular sclerosis
MedGen UID:
61248
Concept ID:
C0178664
Disease or Syndrome
Accumulation of scar tissue within the glomerulus.
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.
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.
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.
Hypoalbuminemia
MedGen UID:
68694
Concept ID:
C0239981
Finding
Reduction in the concentration of albumin in the blood.

Professional guidelines

PubMed

Zhong F, Liu S, Li Y, Li G, Liu M, Wang J, Cui W, Suo Y, Gao X
Lipids Health Dis 2022 Apr 10;21(1):38. doi: 10.1186/s12944-022-01632-y. PMID: 35399079Free PMC Article
Ryšavá R
Nephrol Dial Transplant 2019 Sep 1;34(9):1460-1466. doi: 10.1093/ndt/gfy291. PMID: 30299492
Bérody S, Heidet L, Gribouval O, Harambat J, Niaudet P, Baudouin V, Bacchetta J, Boudaillez B, Dehennault M, de Parscau L, Dunand O, Flodrops H, Fila M, Garnier A, Louillet F, Macher MA, May A, Merieau E, Monceaux F, Pietrement C, Rousset-Rouvière C, Roussey G, Taque S, Tenenbaum J, Ulinski T, Vieux R, Zaloszyc A, Morinière V, Salomon R, Boyer O
Nephrol Dial Transplant 2019 Mar 1;34(3):458-467. doi: 10.1093/ndt/gfy015. PMID: 29474669

Recent clinical studies

Etiology

Mayer U, Schmitz J, Bräsen JH, Pape L
Pediatr Nephrol 2020 May;35(5):829-842. Epub 2020 Feb 12 doi: 10.1007/s00467-019-04436-y. PMID: 32052153Free PMC Article
Busuioc RM, Covic A, Kanbay M, Banach M, Burlacu A, Mircescu G
Nephrol Dial Transplant 2020 Oct 1;35(10):1663-1674. doi: 10.1093/ndt/gfz108. PMID: 31157893
Morales E, Alonso M, Gutiérrez E
Med Clin (Barc) 2019 May 3;152(9):361-367. Epub 2018 Dec 13 doi: 10.1016/j.medcli.2018.10.021. PMID: 30554809
Ryšavá R
Nephrol Dial Transplant 2019 Sep 1;34(9):1460-1466. doi: 10.1093/ndt/gfy291. PMID: 30299492
Desport E, Bridoux F, Sirac C, Delbes S, Bender S, Fernandez B, Quellard N, Lacombe C, Goujon JM, Lavergne D, Abraham J, Touchard G, Fermand JP, Jaccard A; Centre national de référence pour l’amylose AL et les autres maladies par dépôts d’immunoglobulines monoclonales
Orphanet J Rare Dis 2012 Aug 21;7:54. doi: 10.1186/1750-1172-7-54. PMID: 22909024Free PMC Article

Diagnosis

Gertz MA, Dispenzieri A
JAMA 2020 Jul 7;324(1):79-89. doi: 10.1001/jama.2020.5493. PMID: 32633805
AlYousef A, AlSahow A, AlHelal B, Alqallaf A, Abdallah E, Abdellatif M, Nawar H, Elmahalawy R
BMC Nephrol 2020 May 18;21(1):186. doi: 10.1186/s12882-020-01836-3. PMID: 32423387Free PMC Article
Mayer U, Schmitz J, Bräsen JH, Pape L
Pediatr Nephrol 2020 May;35(5):829-842. Epub 2020 Feb 12 doi: 10.1007/s00467-019-04436-y. PMID: 32052153Free PMC Article
Morales E, Alonso M, Gutiérrez E
Med Clin (Barc) 2019 May 3;152(9):361-367. Epub 2018 Dec 13 doi: 10.1016/j.medcli.2018.10.021. PMID: 30554809
Ryšavá R
Nephrol Dial Transplant 2019 Sep 1;34(9):1460-1466. doi: 10.1093/ndt/gfy291. PMID: 30299492

Therapy

Soares LR, Pantoja Junior JMS, Jorge LB, Yu L, Cavalcante LB, Malheiros DMAC, Woronik V, Dias CB
Braz J Med Biol Res 2022;55:e11861. Epub 2022 Feb 28 doi: 10.1590/1414-431X2022e11861. PMID: 35239780Free PMC Article
Gertz MA, Dispenzieri A
JAMA 2020 Jul 7;324(1):79-89. doi: 10.1001/jama.2020.5493. PMID: 32633805
Mayer U, Schmitz J, Bräsen JH, Pape L
Pediatr Nephrol 2020 May;35(5):829-842. Epub 2020 Feb 12 doi: 10.1007/s00467-019-04436-y. PMID: 32052153Free PMC Article
Busuioc RM, Covic A, Kanbay M, Banach M, Burlacu A, Mircescu G
Nephrol Dial Transplant 2020 Oct 1;35(10):1663-1674. doi: 10.1093/ndt/gfz108. PMID: 31157893
Schmit D, Fliser D, Speer T
Nephrol Dial Transplant 2019 Aug 1;34(8):1266-1271. doi: 10.1093/ndt/gfz122. PMID: 31190079

Prognosis

Gertz MA, Dispenzieri A
JAMA 2020 Jul 7;324(1):79-89. doi: 10.1001/jama.2020.5493. PMID: 32633805
AlYousef A, AlSahow A, AlHelal B, Alqallaf A, Abdallah E, Abdellatif M, Nawar H, Elmahalawy R
BMC Nephrol 2020 May 18;21(1):186. doi: 10.1186/s12882-020-01836-3. PMID: 32423387Free PMC Article
Morales E, Alonso M, Gutiérrez E
Med Clin (Barc) 2019 May 3;152(9):361-367. Epub 2018 Dec 13 doi: 10.1016/j.medcli.2018.10.021. PMID: 30554809
Ryšavá R
Nephrol Dial Transplant 2019 Sep 1;34(9):1460-1466. doi: 10.1093/ndt/gfy291. PMID: 30299492
Desport E, Bridoux F, Sirac C, Delbes S, Bender S, Fernandez B, Quellard N, Lacombe C, Goujon JM, Lavergne D, Abraham J, Touchard G, Fermand JP, Jaccard A; Centre national de référence pour l’amylose AL et les autres maladies par dépôts d’immunoglobulines monoclonales
Orphanet J Rare Dis 2012 Aug 21;7:54. doi: 10.1186/1750-1172-7-54. PMID: 22909024Free PMC Article

Clinical prediction guides

Zhong F, Liu S, Li Y, Li G, Liu M, Wang J, Cui W, Suo Y, Gao X
Lipids Health Dis 2022 Apr 10;21(1):38. doi: 10.1186/s12944-022-01632-y. PMID: 35399079Free PMC Article
AlYousef A, AlSahow A, AlHelal B, Alqallaf A, Abdallah E, Abdellatif M, Nawar H, Elmahalawy R
BMC Nephrol 2020 May 18;21(1):186. doi: 10.1186/s12882-020-01836-3. PMID: 32423387Free PMC Article
Han SS, Xu YQ, Lu Y, Gu XC, Wang Y
Medicine (Baltimore) 2017 Jun;96(24):e7191. doi: 10.1097/MD.0000000000007191. PMID: 28614261Free PMC Article
Ponticelli C, Glassock RJ
Clin J Am Soc Nephrol 2014 Mar;9(3):609-16. Epub 2013 Jun 27 doi: 10.2215/CJN.04160413. PMID: 23813556Free PMC Article
Hofstra JM, Fervenza FC, Wetzels JF
Nat Rev Nephrol 2013 Aug;9(8):443-58. Epub 2013 Jul 2 doi: 10.1038/nrneph.2013.125. PMID: 23820815

Recent systematic reviews

Hou AN, Wang Y, Pan YQ
J Clin Immunol 2023 Jul;43(5):979-988. Epub 2023 Mar 3 doi: 10.1007/s10875-023-01456-0. PMID: 36867340
Pournasiri Z, Madani A, Nazarpack F, Sayer JA, Chavoshzadeh Z, Nili F, Tran P, Saba JD, Jamee M
World J Pediatr 2023 May;19(5):425-437. Epub 2022 Nov 12 doi: 10.1007/s12519-022-00615-4. PMID: 36371483
Gertz MA, Dispenzieri A
JAMA 2020 Jul 7;324(1):79-89. doi: 10.1001/jama.2020.5493. PMID: 32633805
Liu ID, Willis NS, Craig JC, Hodson EM
Cochrane Database Syst Rev 2019 Nov 21;2019(11) doi: 10.1002/14651858.CD003594.pub6. PMID: 31749142Free PMC Article
Lieberman KV, Pavlova-Wolf A
J Nephrol 2017 Feb;30(1):35-44. Epub 2016 Apr 16 doi: 10.1007/s40620-016-0308-3. PMID: 27084801Free PMC Article

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