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Table 1 Changes in compositions of fatty acids in total glycerophospholipids from the tadpole liver

From: Cold temperature blocks thyroid hormone-induced changes in lipid and energy metabolism in the liver of Lithobates catesbeianus tadpoles

FA

3-day treatment

7-day treatment

26 °C

4 °C

26 °C

4 °C

T3 (−)

T3 (+)

T3 (−)

T3 (+)

T3 (−)

T3 (+)

T3 (−)

T3 (+)

SFA

 16:0

33.4 ± 0.5

32.9 ± 0.4

31.6 ± 0.2

32.0 ± 0.1

34.1 ± 0.7

33.5 ± 0.3

29.6 ± 0.6

31.6 ± 1.8

 18:0

17.9 ± 1.2

17.3 ± 0.6

15.9 ± 0.1

15.4 ± 0.5

16.6 ± 0.4

18.4 ± 1.3

16.8 ± 0.2

18.6 ± 1.7

MUFA

 16:1n-7

5.8 ± 0.4

6.0 ± 0.3

7.8 ± 0.1

7.2 ± 0.1

5.5 ± 0.4

5.9 ± 0.7

5.7 ± 0.1

5.4 ± 0.3

 18:1n-9

10.4 ± 0.8a

11.6 ± 0.6a,b

11.7 ± 0.1a,b

13.1 ± 0.2b

8.2 ± 0.4

11.0 ± 1.3

10.0 ± 0.6

9.7 ± 0.8

C18 PUFA

 18:2n-6

6.3 ± 0.2

7.5 ± 0.4

7.0 ± 0.3

6.9 ± 0.2

7.2 ± 0.6

6.9 ± 0.4

7.7 ± 0.4

6.8 ± 0.7

 18:3n-3

4.6 ± 0.3

5.7 ± 0.3

5.4 ± 0.5

5.3 ± 0.3

6.7 ± 0.9

6.5 ± 1.6

10.7 ± 0.5

9.1 ± 1.0

C20 PUFA

 20:4n-6

9.8 ± 0.8

8.6 ± 0.4

8.2 ± 0.1

7.6 ± 0.3

10.5 ± 0.3a

8.7 ± 0.6a,b

8.4 ± 0.3b

8.1 ± 0.3b

 20:5n-3

7.0 ± 0.2

5.4 ± 0.1

6.9 ± 0.2

6.5 ± 0.3

5.5 ± 0.3a

3.7 ± 0.1b

5.8 ± 0.2a

5.7 ± 0.7a

C22 PUFA

 22:5n-3

2.1 ± 0.1

2.3 ± 0.1

2.5 ± 0.2

2.5 ± 0.1

2.4 ± 0.2

2.6 ± 0.1

2.5 ± 0.1

2.4 ± 0.1

 22:6n-3

2.9 ± 0.3

2.8 ± 0.1

3.0 ± 0.2

3.7 ± 0.1

3.2 ± 0.3

2.8 ± 0.3

2.8 ± 0.1

2.6 ± 0.2

  1. 18:1n-9 contains18:1n-9t (elaidic acid) and 18:1n-9c (oleic acid). Each value is the mean ± SEM (n = 3). Different letters indicate significantly different means and were determined by one-way analysis of variance with Fisher’s test for multiple comparisons (p < 0.05)
  2. FA fatty acid, T3 3,3′,5-triiodothyronie, SFA saturated fatty acid, MUFA monounsaturated fatty acid, PUSA polyunsaturated fatty acid