Skip to main content

Table 1 Association between canine ESR1 SNPs and clinicopathological features of canine mammary tumours

From: Estrogen receptors genotypes and canine mammary neoplasia

Single Nucleotide Polymorphisms (n = number of cases)

Clinicopathological Variables

rs397512133

p

rs397510462

p

rs851327560

P

rs397510612

P

rs852887655

p

rs852684753

p

rs852398698

P

GG (n/%)

A Allele (n/%)

 

GG (n/%)

A allele (n/%)

 

TT (n/%)

C allele (n/%)

 

TT (n/%)

C allele (n/%)

 

GG (n/%)

A Allele (n/%)

 

Non DEL (n/%)

Del (n/%)

 

TTC (n/%)

Del/TTC (n/%)

 

Age

  < 10

79 (85.9

13 (14.1)

 

80 (87.0)

12 (13.0)

 

67 (72.8)

25 (27.2)

 

79 (85.9)

13 (14.1)

 

78 (84.8)

14 (15.2)

 

53 (58.2)

38 (41.8)

 

53 (57.6)

39 (42.4)

 

  ≥ 10

46 (78.0)

13 (22.0)

NS

44 (74.6)

15 (25.4)

NS

35 (59.3)

24 (40.7)

NS

44 (74.6)

15 (25.4)

NS

49 (83.1)

10 (16.9)

NS

31 (53.4)

27 (46.6)

NS

31 (52.5)

28 (47.5)

NS

Number of Tumors

 Single

40 (83.3)

8 (16.7)

 

41 (85.4)

7 (14.6)

 

36 (75.0)

12 (25.0)

 

40 (83.3)

8 (16.7)

 

43 (91.5)

4 (8.5)

 

26 (55.3)

21 (44.7)

 

26 (54.2)

22 (45.8)

 

 Multiple

88 (82.2)

19 (17.8)

NS

86 (80.4)

21 (19.6)

NS

69 (64.5)

38 (35.5)

NS

86 (80.4)

21 (19.6)

NS

87 (81.3)

20 (18.7)

NS

61 (57.5)

45 (42.5)

NS

61 (57.0)

46 (43.0)

NS

Tumor Size α

 ≤ 3 cm

66 (78.6)

18 (21.4)

 

65 (77.4)

19 (22.6)

 

54 (64.3)

30 (35.7)

 

65 (77.4)

19 (22.6)

 

69 (83.1)

14 (16.9)

 

45 (53.6)

39 (46.4)

 

45 (53.6)

39 (46.4)

 

 > 3 cm

55 (91.7)

5 (8.3)

0.034

54 (90.0)

6 (10.0)

0.049

45 (75.0)

15 (25.0)

NS

54 (90.0)

6 (10.0)

0.049

51 (85.0)

9 (15.0)

NS

36 (62.1)

22 (37.9)

NS

36 (60.0)

24 (40.0)

NS

Tumor Size (malignant)

  ≤ 3 cm

35 (76.1)

11 (23.9)

 

34 (73.9)

12 (26.1)

 

26 (56.5)

20 (43.5)

 

34 (73.9)

12 (26.1)

 

35 (76.1)

11 (23.9)

 

26 (56.5)

20 (43.5)

 

26 (56.5)

20 (43.5)

 

  > 3 cm

46 (93.9)

3 (6.1)

0.014

45 (91.8)

4 (8.2)

0.020

39 (79.6)

10 (20.4)

0.016

45 (91.8)

4 (8.2)

0.020

43 (87.8)

6 (12.2)

NS

31 (64.6)

17 (35.4)

NS

31 (63.3)

18 (36.7)

NS

Histological type

Benign

43 (76.8)

13 (23.2)

 

44 (78.6)

12 (21.4)

 

37 (66.1)

19 (33.9)

 

43 (76.8)

13 (23.2)

 

49 (89.1)

6 (10.9)

 

28 (50.9)

27 (49.1)

 

28 (50.0)

28 (50.0)

 

Malignant

85 (85.9)

14 (14.1)

NS

83 (83.8)

16 (16.2)

NS

68 (68.7)

31 (31.3)

NS

83 (83.8)

16 (16.2)

NS

81 (81.8)

18 (18.2)

NS

59 (60.2)

39 (39.8)

NS

59 (59.6)

40 (40.4)

NS

Mode of growth

Expansive

31 (81.6)

7 (18.4)

 

29 (76.3)

9 (23.7)

 

23 (60.5)

15 (39.5)

 

29 (76.3)

9 (23.7)

 

32 (84.2)

6 (15.8)

 

22 (59.5)

15 (40.5)

 

22 (57.9)

16 (42.1)

 

Infiltrative plus Invasive

54 (88.5)

7 (11.5)

NS

54 (88.5)

7 (11.5)

NS

45 (73.8)

16 (26.2)

NS

54 (88.5)

7 (11.5)

NS

49 (80.3)

12 (19.7)

NS

37 (60.7)

24 (39.3)

NS

37 (60.7)

24 (39.3)

NS

NHG Parameters

Tubule formation

Score 1 plus Score 2

12 (70.6)

5 (29.4)

 

12 (70.6)

5 (29.4)

 

8 (47.1)

9 (52.9)

 

12 (70.6)

5 (29.4)

 

36 (73.5)

13 (26.5)

 

24 (49.0)

25 (51.0)

 

24 (49.0)

25 (51.0)

 

Score 2

29 (90.6)

3 (9.4)

NS

29 (90.6)

3 (9.4)

NS

23 (71.9)

9 (28.1)

NS

29 (90.6)

3 (9.4)

NS

26 (92.9)

2 (7.1)

0.039

21 (77.8)

6 (22.2)

0.014

21 (75.0)

7 (25.0)

0.026

Nuclear pleomorphism

Score 1 plus Score 2

52 (85.2)

9 (14.8)

 

50 (82.0)

11 (18.0)

 

40 (65.6)

21 (34.4)

 

50 (82.0)

11 (18.0)

 

48 (78.7)

13 (21.3)

 

35 (58.3)

25 (41.7)

 

35 (57.4)

26 (42.6)

 

Score 2

13 (81.3)

3 (18.8)

NS

13 (81.3)

3 (18.8)

NS

11 (68.8)

5 (31.3)

NS

13 (81.3)

3 (18.8)

NS

14 (87.5)

2 (12.5)

NS

10 (62.5)

6 (37.5)

NS

10 (62.5)

6 (37.5)

NS

Mitotic count

Score 1 plus Score 2

44 (83.0)

9 (17.0)

 

43 (81.1)

10 (18.9)

 

34 (64.2)

19 (35.8)

 

43 (81.1)

10 (18.9)

 

41 (77.4)

12 (22.6)

 

29 (55.8)

23 (44.2)

 

29 (54.7)

24 (45.3)

 

Score 3

21 (87.5)

3 (12.5)

NS

20 (83.3)

4 (16.7)

NS

17 (70.8)

7 (29.2)

NS

20 (83.3)

4 (16.7)

NS

21 (87.5)

3 (12.5)

NS

16 (66.7)

8 (33.3)

NS

16 (66.7)

8 (33.3)

NS

Total score

Score < 7

40 (87.0)

6 (13.0)

 

39 (84.8)

7 (15.2)

 

31 (67.4)

15 (32.6)

 

39 (84.8)

7 (15.2)

 

35 (76.1)

11 (23.9)

 

25 (55.6)

20 (44.4)

 

25 (54.3)

21 (45.7)

 

Score ≥ 7

25 (80.6)

6 (19.4)

NS

24 (77.4)

7 (22.6)

NS

20 (64.5)

11 (35.5)

NS

24 (77.4)

7 (22.6)

NS

27 (87.1)

4 (12.9)

NS

20 (64.5)

11 (35.3)

NS

20 (64.5)

11 (35.5)

NS

NHG

Grade I plus Grade II

50 (82.0)

11 (18.0)

 

49 (80.3)

12 (19.7)

 

38 (62.3)

23 (37.7)

 

49 (80.3)

12 (19.7)

 

47 (77.0)

14 (23.0)

 

33 (55.0)

27 (45.0)

 

33 (54.1)

28 (45.9)

 

Grade III

15 (93.8)

1 (6.3)

NS

14 (87.5)

2 (12.5)

NS

13 (81.3)

3 (18.8)

NS

14 (87.5)

2 (12.5)

NS

15 (93.8)

1 (6.3)

NS

12 (75.0)

4 (25.0)

NS

12 (75.0)

4 (25.0)

NS

Vet-NPI

  ≤ 4.0

35 (77.8)

10 (22.2)

 

34 (75.6)

11 (24.4)

 

25 (55.6)

20 (44.4)

 

34 (75.6)

11 (24.4)

 

33 (73.3)

12 (26.7)

 

24 (54.5)

20 (45.5)

 

24 (53.3)

21 (46.7)

 

  > 4.0

29 (93.5)

2 (6.5)

NS

28 (90.3)

3 (9.7)

NS

25 (80.6)

6 (19.4)

0.023

28 (90.3)

3 (9.7)

NS

28 (90.3)

3 (9.7)

NS

20 (64.5)

11 (35.5)

NS

20 (64.5)

11 (35.5)

NS

Vascular invasion

No

68 (82.9)

14 (17.1)

 

66 (80.5)

16 (19.5)

 

53 (64.6)

29 (35.4)

 

66 (80.5)

16 (19.5)

 

66 (80.5)

16 (19,5)

 

48 (59.3)

33 (40.7)

 

48 (58.5)

34 (41.5)

 

Yes

14 (100.0)

0 (0.0)

NS

14 (100.0)

0 (0.0)

NS

12 (85.7)

2 (14.3)

NS

14 (100.0)

0 (0.0)

NS

12 (85.7)

2 (14.3)

NS

9 (64.3)

5 (35.7)

NS

9 (64.3)

5 (35.7)

NS

Lymph node metastases

No

54 (83.1)

11 (16.9)

 

52 (80.0)

13 (20.0)

 

41 (63.1)

24 (36.9)

 

52 (80.0)

13 (20.0)

 

51 (78.5)

14 (21.5)

 

38 (59.4)

26 (40.6)

 

38 (58.5)

27 (41.5)

 

Yes

19 (95.0)

1 (5.0)

NS

19 (95.0)

1 (5.0)

NS

17 (85.0)

3 (15.0)

NS

19 (95.0)

1 (5.0)

NS

18 (90.0)

2 (10.0)

NS

13 (65.0)

7 (35.0)

NS

13 (65.0)

7 (35.0)

NS

  1. α Including benign and malignant tumors
  2. Legend: NHG Nottingham histological grade, WHO World Health Organization, vet-NPI Veterinary-adapted Nottingham Prognostic Index