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2014 ; 2014
(ä): 920723
Nephropedia Template TP
gab.com Text
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English Wikipedia
NGS nominated CELA1, HSPG2, and KCNK5 as candidate genes for predisposition to
Balkan endemic nephropathy
#MMPMID24949484
Toncheva D
; Mihailova-Hristova M
; Vazharova R
; Staneva R
; Karachanak S
; Dimitrov P
; Simeonov V
; Ivanov S
; Balabanski L
; Serbezov D
; Malinov M
; Stefanovic V
; ?ukuranovi? R
; Polenakovic M
; Jankovic-Velickovic L
; Djordjevic V
; Jevtovic-Stoimenov T
; Plaseska-Karanfilska D
; Galabov A
; Djonov V
; Dimova I
Biomed Res Int
2014[]; 2014
(ä): 920723
PMID24949484
show ga
Balkan endemic nephropathy (BEN) is a familial chronic tubulointerstitial disease
with insidious onset and slow progression leading to terminal renal failure. The
results of molecular biological investigations propose that BEN is a
multifactorial disease with genetic predisposition to environmental risk agents.
Exome sequencing of 22 000 genes with Illumina Nextera Exome Enrichment Kit was
performed on 22 DNA samples (11 Bulgarian patients and 11 Serbian patients).
Software analysis was performed via NextGene, Provean, and PolyPhen. The
frequency of all annotated genetic variants with deleterious/damaging effect was
compared with those of European populations. Then we focused on nonannotated
variants (with no data available about them and not found in healthy Bulgarian
controls). There is no statistically significant difference between annotated
variants in BEN patients and European populations. From nonannotated variants
with more than 40% frequency in both patients' groups, we nominated 3 genes with
possible deleterious/damaging variants--CELA1, HSPG2, and KCNK5. Mutant genes
(CELA1, HSPG2, and KCNK5) in BEN patients encode proteins involved in basement
membrane/extracellular matrix and vascular tone, tightly connected to process of
angiogenesis. We suggest that an abnormal process of angiogenesis plays a key
role in the molecular pathogenesis of BEN.