Table 3.
Summary of outcome measures
| Measure | GROUP |
|
|---|---|---|
| 49- to 56-day-old rats | 70- to 77-day-old rats | |
| Body mass | ||
| Absolute gain in last 7 days | No difference | WL gained mass |
| Rate of gain in last 7 days | No difference | WL > RUN |
| Lean mass | ||
| Absolute gain in last 7 days | No difference | WL gained mass |
| Rate of gain in last 7 days | No difference | No difference |
| Fat mass | ||
| Absolute gain in last 7 days | No difference | No difference |
| Rate of gain in last 7 days | WL > RUN | WL > RUN |
| %Body fat | ||
| Absolute gain in last 7 days | WL gained %BF | No difference |
| Rate of gain in last 7 days | WL > RUN | WL > RUN |
| Depot mass | ||
| EAT | No difference | 77d 7d-WL > 77d RUN |
| PRAT | No difference | 77d 7d-WL > 77d RUN |
| OAT | No difference | No difference |
| Mean adipocyte diameter | ||
| EAT | No difference | No difference |
| PRAT | N/A | No difference |
| OAT | N/A | No difference |
| Adipose tissue cellularity | ||
| EAT | No difference | 77d 7d-WL > 77d RUN, hyperplasia |
| PRAT | N/A | 77d 7d-WL > 77d RUN, hyperplasia |
| OAT | N/A | No difference |
| Adipocyte distribution | ||
| EAT | WL flattened curve and had more adipocytes in the 40-μm category | WL flattened curve and had more adipocytes in the 20-, 30-, and 40-μm categories |
| PRAT | N/A | WL flattened curve and had more adipocytes in the 30- and 40-μm categories |
| OAT | N/A | WL showed a rightward shift in distribution curve |
| Cyclin A1 mRNA | ||
| EAT | No difference | 77d 7d-WL > 77d RUN |
| PRAT | No difference | 77d 7d-WL > 77d RUN |
| OAT | No difference | No difference |
| SAT | No difference | 77d 7d-WL > 77d RUN |
Comparisons of 9 outcome measures (body mass, lean mass, %body fat, adipose tissue depot mass, adipocyte diameter, adipose tissue cellularity, adipocyte size distribution, and cyclin A1 mRNA expression) between 56d RUN and 56d 7d-WL rats in 49- to 56-day-old group and between 77d RUN and 77d 7d-WL in the 70- to 77-day-old group. EAT, epididymal adipose tissue; PRAT, perirenal adipose tissue' OAT, omental adipose tissue; SAT, subcutaneous adipose tissue.