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Table 2 Genotype of GYS1 mutation and histological data of the horses.

From: Gene expression profiling in equine polysaccharide storage myopathy revealed inflammation, glycogenesis inhibition, hypoxia and mitochondrial dysfunctions

Horse

PSSM disease status

Genotype

Histological grading

Age (years)

Sex

Vacuolized fibers (%)

Inflammation

Necrosis

Central nuclei

Anisocytosis

Lipomatosis

Aggregate containing fibers (%)

10

0

GG

 

16

M

ND

     

0

29

0

GG

 

15

M

0

     

0

35

0

GG

 

8

M

0

     

0

40

0

GG

 

8

M

0

     

0

56

0

GG

 

6

F

0

     

0

34

0

GG

 

10

M

0

     

0

38

PSSM

GA

1

12

M

14.1

mild

mild

numerous

mild

none

2.5

54

PSSM

GA

1

4

F

2.5

none

none

several

minimal

mild

2.4

12

PSSM

GA

2

17

M

7.3

mild

mild

numerous

mild

mild

20.6

32

PSSM

GA

2

6

M

1.4

mild

none

several

mild

none

17.0

42

PSSM

GA

2

9

F

ND

minimal

mild

several

mild

mild

9.9

44

PSSM

AA

2

17

F

21.9

mild

severe

several

severe

mild

10.5

49

PSSM

AA

2

10

M

34.1

severe

severe

numerous

severe

severe

18.9

  1. Genotypes: GG = wild type, GA = heterozygous, AA = homozygous