Estradiol treatment increases M2-like visceral adipose tissue macrophages in obese ovariectomized mice regardless of its anorectic actionopen access
- Authors
- Kim, Kyeong-dae; Choe, Jeong Min; Myoung, Soomin; Lee, Seung Hyun; Kim, Minkyu; Choi, Jae-Hoon; Park, Hyun Tae
- Issue Date
- Sep-2022
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- Adipose tissue; appetite depressant; estradiol; macrophage; obesity
- Citation
- ANIMAL CELLS AND SYSTEMS, v.26, no.5, pp.243 - 253
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- ANIMAL CELLS AND SYSTEMS
- Volume
- 26
- Number
- 5
- Start Page
- 243
- End Page
- 253
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/173103
- DOI
- 10.1080/19768354.2022.2128871
- ISSN
- 1976-8354
- Abstract
- Estradiol (E2) treatment has been known to induce changes in food intake, energy expenditure, and weight gain. However, its direct effects on adipose tissue macrophages (ATM) in vivo are not fully understood. Thus, we aimed to explore this aspect at cellular and molecular levels in ovariectomized obese mice. We examined the changes in ATMs after eight weeks of a high-fat diet (HFD) in male, female, and ovariectomized (OVX) mice. After eight weeks, osmotic pumps were inserted into OVX mice to provide two weeks of E2 treatment. We additionally set up a vehicle Pair-Fed (PF) control group that supplied the same amount of HFD consumed by the E2-treated group. We then investigated the in vivo phenotypic changes of visceral adipose tissue (VAT) macrophages. The percentage of M1-like ATMs decreased by the anorectic effect of E2, while M2-like ATMs increased regardless of the anorexia. E2 treatment increased the expression of anti-inflammatory genes but decreased pro-inflammatory genes in VAT. Monocyte recruitment and local proliferation contributed to M2-like ATMs. Furthermore, M2-like phenotypes were induced by E2 treatment in human macrophages. E2 treatment increases M2-like macrophages and improves the tissue milieu of VAT regardless of the anorectic reaction of E2.
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