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Isolation, Culture, and Adipogenic Induction of Stromal Vascular Fraction-derived Preadipocytes from Mouse Periaortic Adipose Tissue

Published: July 21st, 2023



1Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine
* These authors contributed equally

Here, we describe the isolation, culture, and adipogenic induction of stromal vascular fraction-derived preadipocytes from mouse periaortic adipose tissue, allowing for the study of perivascular adipose tissue function and its relationship with vascular cells.

Perivascular adipose tissue (PVAT) is an adipose tissue depot that surrounds blood vessels and exhibits the phenotypes of white, beige, and brown adipocytes. Recent discoveries have shed light on the central role of PVAT in regulating vascular homeostasis and participating in the pathogenesis of cardiovascular diseases. A comprehensive understanding of PVAT properties and regulation is of great importance for the development of future therapies. Primary cultures of periaortic adipocytes are valuable for studying PVAT function and the crosstalk between periaortic adipocytes and vascular cells. This paper presents an economical and feasible protocol for the isolation, culture, and adipogenic induction of stromal vascular fraction-derived preadipocytes from mouse periaortic adipose tissue, which can be useful for modeling adipogenesis or lipogenesis in vitro. The protocol outlines tissue processing and cell differentiation for culturing periaortic adipocytes from young mice. This protocol will provide the technological cornerstone at the bench side for the investigation of PVAT function.

Perivascular adipose tissue (PVAT), a perivascular structure composed of a mixture of mature adipocytes and a stromal vascular fraction (SVF), is believed to interact with the adjacent vessel wall via its secretome paracrineally1. As a critical regulator of vascular homeostasis, PVAT dysfunction is implicated in the pathogenesis of cardiovascular diseases2,3,4. The SVF of adipocyte tissue consists of several expected cell populations, including endothelial cells, immune cells, mesothelium cells, neuronal cells, and adipose stem and progenitor cells (AS....

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The animal protocols were approved by the Institutional Animal Care and Use Committee at Shanghai Chest Hospital affiliated to Shanghai Jiao Tong University School of Medicine (approval number: KS23010) and were in compliance with relevant ethical regulations. Male and female C57BL/6 mice aged 4-8 weeks are to be preferred for this experiment.

1. Preparation of surgical tools, buffers, and culture media

  1. Autoclave surgical tools (e.g., surgical scissors and standard.......

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Using this protocol described above, we carefully isolated PVATs surrounding mouse thoracic aortas (Figure 1A-D). After washing and mincing the PVATs into small pieces using sterile scissors (Figure 1E,F), tissue fragments were digested in a digestion solution containing type 1 collagenase (1 mg/mL) and dispase II (4 mg/mL) and incubated at 37 °C on a shaker for 30-45 min (Figure 1G

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We propose a practical and feasible approach for the isolation and adipogenic induction of SVF-derived preadipocytes from mouse periaortic adipose tissue. The advantages of this protocol are that it is simple and economical. Adequate numbers of mice are critical for successful isolation, as insufficient tissue can result in low SVF density and poor growth state, ultimately affecting lipogenic efficiency. Additionally, mouse age is an important factor to consider as the adipogenic potential of SVF decreases with age. Rapi.......

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This work was supported by the National Natural Science Foundation of China (82130012 and 81830010) and the Nurture projects for basic research of Shanghai Chest Hospital (Grant Number: 2022YNJCQ03).


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Name Company Catalog Number Comments
0.2 μm syringe filters PALL 4612
12-well plate  Labselect 11210
15 mL centrifuge tube Labserv 310109003
3,3',5-triiodo-L-thyronine (T3) Sigma-Aldrich T-2877 1 nM
50 mL centrifuge tube Labselect CT-002-50A
anti-adiponectin Abcam ab22554 1:1,000 working concentration
anti-COX IV CST 4850 1:1,000 working concentration
anti-FABP4 CST 2120 1:1,000 working concentration
anti-PGC1α Abcam ab191838 1:1,000 working concentration
anti-PPARγ Invitrogen MA5-14889 1:1,000 working concentration
anti-UCP1 Abcam ab10983 1:1,000 working concentration
anti-α-Actinin CST 6487 1:1,000 working concentration
BSA Beyotime ST023-200g 1%
C57BL/6 mice aged 4-8 weeks of both sexes Shanghai Model Organisms Center, Inc.
Cell Strainer 70 µm, nylon Falcon 352350
Collagen from calf skin Sigma-Aldrich C8919
Collagenase, Type 1 Worthington LS004196 1 mg/mL
Dexamethasone Sigma-Aldrich D1756 1 μM
Dispase II Sigma-Aldrich D4693-1G 4 mg/mL
Fetal bovine serum  Gibco 16000-044 10%
HEPES Sigma-Aldrich H4034-25G 20 mM
High glucose DMEM Hyclone SH30022.01
IBMX  Sigma-Aldrich I7018 0.5 mM
Incubator with orbital shaker Shanghai longyue Instrument Eruipment Co.,Ltd. LYZ-103B
Insulin (cattle)  Sigma-Aldrich 11070-73-8 1 μM
Isoflurane RWD R510-22-10
Krebs-Ringer's Solution Pricella  PB180347 protect from light 
Microsurgical forceps Beyotime FS233
Microsurgical scissor Beyotime FS217
Oil Red O  Sangon Biotech (Shanghai) Co., Ltd A600395-0050
PBS (Phosphate-buffered saline) Sangon Biotech (Shanghai) Co., Ltd B548117-0500
Penicillin-Streptomycin Gibco 15140122
Peroxidase AffiniPure Goat Anti-Mouse IgG (H+L) Jackson ImmunoResearch  115-035-146 1:5,000 working concentration
Peroxidase AffiniPure Goat Anti-Rabbit IgG (H+L) Jackson ImmunoResearch  111-035-144 1:5,000 working concentration
Rosiglitazone Sigma-Aldrich R2408 1 μM
Standard forceps Beyotime FS225
Surgical scissor Beyotime FS001

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