Oncotarget

Research Papers:

Decreased DACH1 expression in glomerulopathy is associated with disease progression and severity

Qing-Quan Liu, Ya-Qun Zhou, Hui-Quan Liu, Wen-Hui Qiu, Hui Liu, Ting-Yang Hu, Qing Xu, Yong-Man Lv and Kong-Ming Wu _

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Oncotarget. 2016; 7:86547-86560. https://doi.org/10.18632/oncotarget.13470

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Abstract

Qing-Quan Liu1, Ya-Qun Zhou2, Hui-Quan Liu3, Wen-Hui Qiu1, Hui Liu1, Ting-Yang Hu1, Qing Xu1, Yong-Man Lv1, Kong-Ming Wu3

1Department of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

2Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

3Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

Correspondence to:

Yong-Man Lv, email: [email protected]

Kong-Ming Wu, email: [email protected]

Keywords: DACH1, eGFR, glomerulopathy

Received: March 09, 2016     Accepted: November 09, 2016     Published: November 19, 2016

ABSTRACT

Cell fate determination factor dachshund1 (DACH1) is a chromosome-associated protein that regulates cellular differentiation throughout development. Recent genome-wide association studies have show that missense mutation in DACH1 leads to hereditary renal hypodysplasia. Renal DACH1 expression can be used to estimate glomerular filtration rate (eGFR). We firstly characterized the function of DACH1 in normal and diseased renal tissue using immunohistochemistry to assess DACH1 in human renal biopsy specimens from 40 immunoglobulin A nephropathy (IgAN) patients, 20 idiopathic membranous nephropathy (IMN) patients, and 15 minimal change disease (MCD) patients. We found that DACH1 expression was decreased in the nephropathy group relative to healthy controls. DACH1 staining in the glomerulus correlated positively with eGFR (r = 0.41, p < 0.001) but negatively with serum creatinine (r = −0.37, p < 0.01). In vitro, DACH1 overexpression in human podocytes or HK2 cells decreased expression of cyclin D1, but increased expression of p21 and p53, which suggested that DACH1 overexpression in human podocytes or HK2 cells increased the G1/S phase or G2/M cell arrest. Together, These findings indicate that DACH1 expression is decreased in glomerulopathy imply a potential role for DACH1 in the this development of human chornic glomerulopathy. These data suggest that DACH1 is a potential a marker of disease progression and severity for glomerular diseases.


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