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Arylsulphatase A Pseudodeficiency (ARSA-PD), hypertension and chronic renal disease in Aboriginal Australians

Lookup NU author(s): Professor Heather Cordell



This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


© 2018, The Author(s). Chronic renal disease (CRD) associated with cardiovascular disease (CVD) and/or type 2 diabetes (T2D) is a significant problem in Aboriginal Australians. Whole exome sequencing data (N = 72) showed enrichment for ClinVar pathogenic variants in gene sets/pathways linking lipoprotein, lipid and glucose metabolism. The top Ingenuity Pathway Analysis canonical pathways were Farsenoid X Receptor and Retinoid Receptor (FXR/RXR; (P = 1.86 × 10−7), Liver X Receptor and Retinoid Receptor (LXR/RXR; P = 2.88 × 10−6), and atherosclerosis signalling (P = 3.80 × 10−6). Top pathways/processes identified using Enrichr included: Reactome 2016 chylomicron-mediated lipid transport (P = 3.55 × 10−7); Wiki 2016 statin (P = 8.29 × 10−8); GO Biological Processes 2017 chylomicron remodelling (P = 1.92 × 10−8). ClinVar arylsulfatase A pseudodeficiency (ARSA-PD) pathogenic variants were common, including the missense variant c.511 G > A (p.Asp171Asn; rs74315466; frequency 0.44) only reported in Polynesians. This variant is in cis with known ARSA-PD 3′ regulatory c.*96 A > G (rs6151429; frequency 0.47) and missense c.1055 A > G (p.Asn352Ser; rs2071421; frequency 0.47) variants. These latter two variants are associated with T2D (risk haplotype GG; odds ratio 2.67; 95% CI 2.32–3.08; P = 2.43 × 10−4) in genome-wide association data (N = 402), but are more strongly associated with quantitative traits (DBP, SBP, ACR, eGFR) for hypertension and renal function in non-diabetic than diabetic subgroups. Traits associated with CVD, CRD and T2D in Aboriginal Australians provide novel insight into function of ARSA-PD variants.

Publication metadata

Author(s): Tang D, Fakiola M, Syn G, Anderson D, Cordell HJ, Scaman ESH, Davis E, Miles SJ, McLeay T, Jamieson SE, Lassmann T, Blackwell JM

Publication type: Article

Publication status: Published

Journal: Scientific Reports

Year: 2018

Volume: 8

Online publication date: 19/07/2018

Acceptance date: 25/06/2018

Date deposited: 07/08/2018

ISSN (electronic): 2045-2322

Publisher: Nature Publishing Group


DOI: 10.1038/s41598-018-29279-9


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