Table 1 Mast cells and neutrophils enrichment in pancreas of nPOD donors.

From: Large-scale electron microscopy database for human type 1 diabetes

Group

CaseID

Pancreas Region

AAb (RIA)

Age (years)

Duration (years)

Mast cells total

Mast cells T+

Neutrophils

Non-diabetes

6098a

Head

18

4.5

0

0

 

6098b

    

0

0

0

 

6126a

    

3.2

0

0

 

6126b

Head

25

0

0

0

 

6126c

    

3.5

0

0

 

6130

Head

5

4.8

4.8

0

 

6131

Head

24

0

0

0

 

6153

Head

15

0

0

0

 

6160

Head

22

1.0

1.0

1.0

 

6227

Head

17

0

0

0

 

6229

Head

31

0

0

0

 

6230

Body

16

0

0

0

 

6232

Head

14

0

0

0

 

6233

Head

14

0

0

0

 

6331

Body

27

0

0

0

 

6374

Head

14

 

0

0

0

 

6412a

Head

17

0

0

2.6

 

6412b

    

0

0

0

 

6417a

Head

18

0

0

0

 

6417b

Body

   

11.2

0

0

Pregnancy

6226

Head

38

2.3

0

0

 

Average

 

1.4 ± 0.6

0.8 ± 0.6

0.2 ± 0.1

AAb+

6151

Head

GADA

30

2.1

0

0

 

6156

Head

GADA

40

5.6

0

1.1

 

6158a

Head

GADA, mIAA

40

0

0

0

 

6158b

    

5.0

0

0.6

 

6197

Head

GADA, IA-2A

22

0

0

0

 

6301

Body

GADA

26

1.2

1.2

0

 

6303

Body

GADA

22

1.7

1.7

0

 

6314a

Head

GADA

21

4.0

4.0

0

 

6314b

Body

   

0.6

0.6

0

 

6388

Body

GADA, mIAA

25

0

0

3.5

 

6397

Body

GADA

21

2.4

2.4

0

 

6400

Body

GADA

25

3.3

3.3

0

 

6421

Body

GADA

6

 

0

0

0

 

6424a

Head

GADA, mIAA

17

7.8

7.8

0

 

6424b

Body

   

5.0

5.0

9.9

 

6433a

Body

GADA

23

2.4

2.4

0

 

6433b

    

0

0

0

 

Average

 

2.4 ± 0.6

1.7 ± 0.6

0.9 ± 0.6

Type 1 Diabetes

6063

Head

4

3

2.5

2.5

1.2

 

6064

Head

GADA, IA-2A, ZnT8A

20

9

1.2

1.2

39.1*

 

6087a

Head

ZnT8A

18

4

6.7

6.7

0

 

6087b

    

5.9

5.9

0

 

6113

Head

13

1.6

0

0

12.8

 

6198a

Tail

GADA, IA-2A, ZnT8A

22

3

5.6

5.6

8.4

 

6198b

    

4.1

4.1

24.6

 

6204a

Body

GADA

28

21

0

0

21.7

 

6204b

    

0.8

0

21.7

 

6209

Head

IA-2A, ZnT8A

5

0.25

0

0

0

 

6211a

Body

GADA, IA2A, ZnT8A

24

4

0.9

0.9

0

 

6211b

    

1.2

0

0.6

 

6228a

Head

   

0

0

0

 

6228b

 

GADA, IA-2A, ZnT8A

13

0

0

0

9.8

 

6228c

Body

   

0

0

0

 

6243a

Body

13

5

3.4

3.4

1.7

 

6243b

    

2.4

2.4

2.4

 

6337

Head

20

5

4.5

4.5

0

 

6360

Body

5

2.5

0

0

0

 

6362

Body

GADA

25

0

3.3

3.3

0

 

6380

Body

11

0

1.3

1.3

0

 

6405

Head

GADA, IA2A, ZnT8

29

0.6

7.5

7.5

0

 

6436a

Body

IA2A

26

3

0

0

0

 

6436b

Head

   

4.1

4.1

21.6*

 

Average

 

2.3 ± 0.5

2.2 ± 0.5

6.9 ± 2.2

Type 2 Diabetes

6124

Head

62

3

0

0

0

 

6133

Head

46

20

1

0

3.8*

 

Average

 

0.6 ± 0.6

0

1.9 ± 1.3

  1. Donors are sorted by condition and case-ID, and information on pancreas donor region, type of autoantibodies present as measured by radioimmunoassay (RIA), age of demise, and disease duration is provided. The number of total and tryptase+ (T+) mast cells and neutrophils per 105 µm2 were recorded. The neutrophils observed were mostly in the exocrine region except those marked (*) had one or more in and/or around the islet. Innate immune cells average ± standard error are shown for each group.