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Table 1 Body weights in grams: Though no differences in body weight were noted at birth between groups (6.7 ± 0.1 grams, n = 60), the effect of Dex on weight gain was evident by day 5 and continued until d30 as both Dex and Dex + RA pups had significantly lower weights compared to saline controls. RA treatment alone did not affect weight. Values are expressed mean ± SE. *p < 0.05 vs. corresponding controls.

From: Hormonal regulation of alveolarization: structure-function correlation

Treatment Group

Day 5

Day 10

Day 15

Day 30

Saline/Saline + CSO (n = 8–15)

12.9 ± 0.4

17.1 ± 0.4

31.4 ± 0.8

164 ± 7

Cottonseed oil (CSO) (n = 8–15)

13.2 ± 0.3

16.6 ± 0.6

29.1 ± 1.0

139 ± 13

Retinoic Acid (RA) (n = 8–15)

12.9 ± 0.3

16.8 ± 0.4

28.8 ± 0.8

150 ± 8

Dexamethasone (Dex) (n = 8–16)

11.4 ± 0.2*

15.0 ± 0.2*

25.8 ± 0.7*

126 ± 6*

Dex + RA(n = 7–14)

11.7 ± 0.2*

15.4 ± 0.3*

26.0 ± 0.9*

125 ± 10*