Table 2 Overview of eGFR CpG sites selected for optimized MRS.

From: A methylation risk score for chronic kidney disease: a HyperGEN study

Lead author (EWAS N)

CpG

Chr

Gene

Location

MRS weight

Gene function

Qiu (181)31

cg02090160

2

shore

− 0.499

 

cg11098259

15

AQP9

open sea

0.501

Aquaporin, H2O & urea transport, osmotic stress response

Chu (4859)16

cg12116137

17

PRPF8

open sea

0.515

RNA splicing, mRNA processing, proteolysis

cg17944885

19

ZNF788;

ZNF20

shelf

− 0.484

Pseudogene; transcription factor binding

cg00994936

19

DAZAP1

island

0.515

RNA binding, placental development & spermatogenesis, cell proliferation

Schlosser (33,605)20

*cg02304370

3

PHRF1

shore

1.09e−04

Enables RNA polymerase binding; SLE, preeclampsia, fasting glucose

*cg04460609

2

LDB2

open sea

− 1.34e−04

Transcription complex, embryo development

*cg00501876

3

CSRNP1

shore

− 8.98e−05

Transcription factor for Wnt signaling; apoptosis

*cg04864179

7

IRF5

shore

− 8.58e−05

Transcription factor for interferon activity; SLE & IBD

  1. *Causally associated w/ eGFR in Mendelian randomization. Direction refers to the direction of the association of the CpG methylation with the respective kidney trait in prior studies.