Aerobic exercise impacts the tumor microenvironment by alte…

Results

Exercise at 8 and 16 m/min does not impact on PDAC growth, spreading and desmoplasia

Exercise at 8 and 16 m/min impacts on CAF subtype distribution in PDAC

Exercise at 8 and 16 m/min reduces the expression of CAF-related cytokines in PDAC

Exercise at 8 and 16 m/min reduces CAF abundance in PDAC

Day 32

Whole tumor

Tumor mass

iCAFs

+

NG2

CAFs

1.5

Il1b

Tnf

Tgfb1

80000

40

2.0

2.5

2.0

✱✱

1.0

60000

30

2.0

1.5

1.5

40000

20

1.5

0.5

1.0

1.0

1.0

20000

10

0.5

0.5

0.0

0.5

0

0

0.0

0.0

0.0

Peritoneal carcinomatosis

apCAFs

+

myCAFs

α SMA

CAFs

20

p=0.08

0.095

FACS-isolated CAFs

40000

15

Il6 ✱

100

15

p=0.056

90

30000

3

10

10

Fibroblasts PDPN + CD45 - EpCAM - CD31 -

80

Single cell dissociation

20000

2

5

70

5

10000

60

0

1

0

0

50

Live cells

0

Desmoplasia

myCAF/iCAF ratio

Total CAFs

Cxcl12

Masson's trichrome

Col1a1

Hyaluronic acid

25

0.054

0.08

0.07

✱✱

30

3

2.0

40

15

0.058

20

1.5

30

15

20

2

10

10

1.0

20

1

10

5

5

0.5

10

0

0.0

0

0

0

0

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