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Table 1 Current qualified and proposed kidney injury biomarkers

From: Sex differences in kidney gene expression during the life cycle of F344 rats

Kidney biomarker a

Qualified

Kidney injury location

Sex bias

Maximum fold-change sex difference

Age of largest sex difference (weeks)

Kim-1 (Havcr1)

Yes

Prox Tub

F > M

23.5

8

TFF3 (Tff3)

Yes

Prox Tub

M > F

9.7

21

NGAL (Lcn2)

Yes

Prox, Dist Tub

M > F

3.7

78

Osteopontin (Spp1)

Yes

Prox, Dist Tub, Lp Hnle

F > M

2.7

8

Clusterin (Clu)

Yes

Prox, Dist Tub

M > F

2

104

GST-α (Gsta2)

Yes

Prox Tub

No sex difference

-

-

Fetuin-A (Ahsg)

No

Prox Tub

M > F

600

2

HGF (Hgf)

No

Prox Tub

F > M

2.4

2

GST-μ (Gstm1)

No

Dist Tub

M > F

2.1

21

Interleukin-18 (Il-18)

No

Prox Tub

M > F

1.5

104

GST-π (Gstp1)

No

Dist Tub

No sex difference

-

-

NHE3 (Slc9a3r2)

No

Prox Tub, Lp Hnle

No sex difference

-

-

Liver-type FABP (Fabp1)

No

Dist Tub

No sex difference

-

-

CYR-61 (Cyr-61)

No

Prox Tub

No sex difference

-

-

Heart-type FABP (Fabp3)

No

Dist Tub

No sex difference

-

-

NAG (Hexb)

No

Prox Tub

No sex difference

-

-

Netrin-1 (Ntn1)

No

Prox Tub

No sex difference

-

-

  1. Prox Tub proximal tubules, Dist Tub distal tubules, Lp Hnle loop of Henle.
  2. aBiomarkers are referenced by their most common referenced human gene name followed by the official rat gene symbol in parentheses.