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White and Brown Adipose Depot Collection from Mouse Pup: A Surgical Procedure to Harvest the White Adipose Tissue and Brown Adipose Tissue from Mouse Pup
Overview
In this video, we demonstrate the surgical procedure to isolate the subcutaneous white adipose tissue and interscapular brown adipose tissue from a newborn mouse.
Protocol
All procedures involving animal models have been reviewed by the local institutional animal care committee and the JoVE veterinary review board.
1. Collection and digestion of adipose depots (day 1)
- Prepare two 1.5 mL tubes for each pup: one for brown adipose tissue (BAT) and one for white adipose tissue (WAT). Add 250 µL of phosphate-buffered saline (PBS) + 200 µL of 2x isolation buffer (123 mM NaCl, 5 mM KCl, 1.3 mM CaCl2, 5 mM glucose, 100 m.......
Representative Results
Figure 1: Collection and processing of fat pads. (A) Schematic representation of primary white (top) and brown (bottom) adipocyte isolation. (B) Subcutaneous white (top) and brown (bottom) adipose depots. In P0 mice, subcutaneous WAT is almost invisible, but becomes distinguishable on ~day 2 after birth. In contrast, BAT has a distinct dark color even at P0. In o.......
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Source: Galmozzi, A. et al. Isolation and Differentiation of Primary White and Brown Preadipocytes from Newborn Mice. J. Vis. Exp. (2021)
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