1 Supplementary Materials Index Page Supplementary Methods

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disease), diarrhoea, vomiting, clinical dehydration, .... A/T and C/G SNPs were additionally excluded due to strand assignment issues, along .... 2.41+/-0.01ถถ.
Supplementary Materials Index

Page

Supplementary Methods Clinical recruitment

3

Phenotypic studies of blood and urine samples

4

Measurement of fractional uric acid clearance

6

Plasma ADH measurement

6

Measurement of urinary PGE2 and PGE2 Metabolite (PGE2M) concentration

6

Genetic studies

7

Genome Wide Association study

7

Resequencing of GWAS candidate regions

7

Kidney immunofluorescence

9

Supplementary results Phenotype of TIH cases and controls

10

Results of genetic studies

14

Genome Wide Association Study of cohort 1 TIH cases and Controls from the 1958 birth cohort

14

Interrogation of GWAS candidate regions

21

Human kidney immunofluorescence- PGT kidney expression

26-31

Urinary PGE2 and PGE2 Metabolite (PGE2M) concentration

30-31

1

Supplementary Tables Supplementary Table S1

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Supplementary Table S2

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Supplementary Table S3

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Supplementary Table S4

13

Supplementary Table S5

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Supplementary Table S6

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Supplementary Table S7

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Supplementary Table S8

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Supplementary Table S9

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Supplementary table 10

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Supplementary table 11

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Supplementary Figures Supplementary Figure S1

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Supplementary Figure S2

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Supplementary Figure S3

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Supplementary Figure S4

18-20

Supplementary Figure S5

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Supplementary Figure S6

27-31

Supplementary Figure S7

32 2

Supplementary methods Clinical recruitment Cohort 1; This study was conducted in line with the standards of ICH/Good Clinical Practise sections 8.2.8 and was given approval by the Queen’s Medical Centre Ethics committee (study approval reference GM030208). Between July 2002 and November 2003 a daily search of the biochemistry data base of all patients admitted to the department of internal medicine at Nottingham University Hospitals NHS Trust, UK was undertaken to identify those patients with serum sodium 5% missing genotype data were excluded. SNPs were excluded if they had more than 5% data missing, had a minor allele frequency (MAF) less than 1%, or if they significantly deviated from Hardy Weinberg Equilibrium (HWE) at the P=0.001 level. A/T and C/G SNPs were additionally excluded due to strand assignment issues, along with SNPs which were identified as having differential missingness in cases and controls (number of missing genotypes significantly differed in cases and controls at the P=0.01 level). Association testing was carried out using Plink v 1.07, using a logistic regression model, with adjustment for 10 principal components and assuming an additive genetic model. Postassociation testing, cluster plots were generated for all SNPs found to be significant at the P 60.0, MQ < 40.0, MQRankSum < -12.5, QD < 2.0, ReadPosRankSum < -8.0 Indels: DP