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Table 1 Overview concerning anamnestic data of the cows and immunohistochemical results of all samples examined

From: BSE infectivity in jejunum, ileum and ileocaecal junction of incubating cattle

Months p.i.

Cow

Status

PrPSc in the Obex (IHC)

Ileum

Ileocaec.-junct.

Jejunum

    

No. pos. Foll./Total No. Foll.

No. pos. Foll. in %

TBM/Intracellular Reaction Pattern

FDC

ENS

No. pos. Foll./Total No. Foll.

No. pos. Foll./Total No. Foll.

1 (n = 3)

IT 04

preclinical

negative

0/9189

0

--

--

--

0/3289

0/1337

 

IT 44

preclinical

negative

0/6272

0

--

--

--

0/912

0/761

 

IT 62

preclinical

negative

0/4634

0

--

--

--

0/721

0/9479

4 (n = 2)

IT 19

preclinical

negative

1/4076

0.02

punctate

--

--

0/102

0/848

 

IT 45

preclinical

negative

4/4399

0.09

punctate

--

--

0/162

0/1453

 

IT 14

preclinical

negative

0/726

0

--

--

--

0/394

0/1256

8 (n = 4)

IT 20

preclinical

negative

15/2554

0.6

punctate/fine granular

--

--

0/1037

0/2636

 

IT 39

preclinical

negative

1/1309

0.07

punctate

--

--

0/601

0/457

 

IT 55

preclinical

negative

1/2285

0.04

punctate

--

--

0/279

0/475

12 (n = 4)

IT 01

preclinical

negative

89/461

19.3

punctate/fine granular

(+)*

--

0/352

0/437

 

IT 16

preclinical

negative

3/1711

0.2

punctate

--

--

0/1252

0/1135

 

IT 06

preclinical

negative

56/957

5.8

fine granular/globular

(+)*

--.

3/418

0/201

 

IT 57

preclinical

negative

65/1384

4.7

fine granular/globular

(+)*

--

0/1251

0/495

16 (n = 4)

IT 07

preclinical

negative

0/135

0

--

--

--

0/909

0/325

 

IT 28

preclinical

negative

4/1514

0.3

fine granular/globular

+

+

6/1149

0/550

 

IT 46

preclinical

negative

0/708

0

--

--

--

0/510

0/970

 

IT 65

preclinical

negative

8/2483

0.3

fine granular

(+)

--

0/975

0/1112

20 (n = 4)

IT 10

preclinical

negative

0/774

0

--

--

--

0/580

0/1187

 

IT 17

preclinical

negative

1/1369

0.07

fine granular/globular

--

--

26/1456

0/1004

 

IT 50

preclinical

negative

1/611

0.2

globular

--

--

0/449

0/712

 

IT 60

preclinical

negative

2/902

0.2

fine granular/globular

+

--

0/699

0/265

24 (n = 4)

IT 26

preclinical

positive

35/389

9.0

globular

+

+++

0/819

0/996

 

IT 24

preclinical

negative

29/438

6.6

globular

+

+

0/1037

0/1999

 

IT 47

preclinical

negative

89/343

25.9

fine granular

(+)

+

0/511

0/1114

 

IT 58

preclinical

negative

0/86

0

--

--

--

4/1027

0/1473

28 (n = 4)

IT 08

preclinical

positive

6/508

1.2

fine granular

(+)

+

0/182

n.d.

 

IT 21

preclinical

positive

4/489

0.8

fine granular

--

--

n.d.

n.d.

 

IT 51

preclinical

negative

1/854

0.1

fine granular

--

--

0/669

n.d.

 

IT 52

preclinical

negative

2/1574

0.1

punctate

--

--

n.d.

n.d.

32 (n = 4)

IT 05

preclinical

positive

0/114

0

--

--

+

0/1278

n.d.

 

IT 09

clinical

positive

10/54

18.5

fine granular/globular

+

+++

n.d.

n.d.

 

IT 43

clinical

positive

11/694

1.6

fine granular/globular

(+)

--

0/569

n.d.

 

IT 61

clinical

positive

7/291

2.4

fine granular/globular

(+)

--

n.d.

n.d.

36 (n = 4)

IT 49

clinical

positive

12/314

3.8

fine granular

(+)

+

n.d.

n.d.

 

IT 48

preclinical

negative

2/473

0.4

globular

--

--

0/1306

n.d.

 

IT 11

clinical

positive

0/349

0

--

--

++

n.d.

n.d.

 

IT 23

clinical

positive

14/177

7.9

globular

+

+++

0/602

n.d.

40 (n = 4)

IT 13

clinical

positive

15/385

3.9

fine granular/globular

(+)*

++

0/750

n.d.

 

IT 25

clinical

positive

0/45

0

--

--

++

n.d.

n.d.

 

IT 56

preclinical

positive

1/661

0.2

fine granular

--

+

n.d

n.d.

 

IT 41

preclinical

positive

0/112

0

--

--

+++

0/564

n.d.

44 (n = 4)

IT 15

clinical

positive

1/121

0.8

fine granular

--

+

0/546

453

 

IT 22

clinical

positive

0/215

0

--

--

+++

n.d.

n.d.

 

IT 02

clinical

positive

0/131

0

--

--

++

1*/724

859

 

IT 53

clinical

positive

3/480

0.6

fine granular/globular

--

+

0/690

1390

 

IT 38

clinical

positive

0/155

0

--

--

--

n.d.

n.d.

  1. TBM: Tingible Body Macrophages, n.d.: not done, * only seen with mab 6C2, pos: positive, Foll: Follicle
  2. ENS: total number of positive labelled foci in the ENS (submucosal and myenteric plexuses), +:0-4 positive foci in the ENS, ++: 5-10 positive foci in the ENS, +++: > 11 positive foci in the ENS
  3. FDC: (+): weak dendritic network, +: clear dendritic network