REAGENT or RESOURCE	SOURCE	IDENTIFIER
Antibodies
Anti-PPARγ antibody	Abmart	Cat# PA4778; RRID: AB_2940815
Anti-CEBPα antibody	Abmart	Cat# TA6333; RRID: AB_2940813
Anti-FABP4 antibody	Abmart	Cat# T56768; RRID: AB_2940814
Anti-GAPDH antibody	Proteintech	Cat# 10494-1-AP; RRID: AB_2263076
HRP-conjugated Affinipure Goat Anti-Rabbit IgG	Proteintech	Cat# SA00001-2; RRID: AB_2722564
Biological samples
Omental adipose tissue	The Affiliated Changzhou No.2 People’s Hospital of Nanjing Medical University	N/A
Chemicals, peptides, and recombinant proteins
Dexamethasone	Aladdin	D137736
3-Isobutyl-1-methylxanthine (IBMX)	Aladdin	I106812
Insulin	Aladdin	I189675
Oil Red O	Sigma	O0625
Collagen Type Ⅰ	Gibco	17100-017
Critical commercial assays
HiScript II Q Select RT SuperMix for qPCR	Vazyme	R233-01
AceQ qPCR SYBR Green Master Mix	Vazyme	Q131-02
Ribonuclease R (RNase R)	Geneseed	R0301
Magna RIP kit	Millipore	merck.17-700
miDETECT A TrackTM miRNA RT-qPCR Starter Kit	RiboBio	R110068.5
Ribo™ Fluorescent In Situ Hybridization Kit	RiboBio	R11060.7
Triglyceride assay	Jiancheng Bioengineering Institute	A110-1-1
Lipo6000™ Transfection Reagent	Beyotime	C0526
Deposited data
Raw and analyzed data	This paper	GEO: GSE235696
Experimental models: Cell lines
Preadipocytes	Isolated from omental adipose tissue	N/A
Experimental models: Organisms/strains
C57BL/6 mice	Cavens Laboratory Animal Co., Ltd.	N/A
Oligonucleotides
hsa_circ_0008861 Forward (5’ to 3’): TGGCAGCAGTTGGCAAAGAA	This paper	N/A
hsa_circ_0008861 Reverse (5’ to 3’): TCACCAGCAGATGCAAATCA	This paper	N/A
hsa_circ_0008179 Forward (5’ to 3’): CATGTTCCTCTTTTCCTACC	This paper	N/A
hsa_circ_0008179 Reverse (5’ to 3’): AGGGGCTTCTTGAAATAGCA	This paper	N/A
hsa_circ_0001566 Forward (5’ to 3’): AGCTGGATCATGAAAGAATGT	This paper	N/A
hsa_circ_0001566 Reverse (5’ to 3’): GGCAAGTTTCAGATCCTCTA	This paper	N/A
hsa_circ_0004039 Forward (5’ to 3’): TGGAGAACCACTCTGGAATA	This paper	N/A
hsa_circ_0004039 Reverse (5’ to 3’): CCAAGTGTTCAAGGCCATAG	This paper	N/A
GAPDH Forward (5’ to 3’): CATGTTCCAATATGATTCCAC	This paper	N/A
GAPDH Reverse (5’ to 3’): CCTGGAAGATGGTGATG	This paper	N/A
MAPK9 Forward (5’ to 3’): GTCATCCTGGGTATGGGCTACAAAG	This paper	N/A
MAPK9 Reverse (5’ to 3’): ATCACACAACCTTTCACCAGCTCTC	This paper	N/A
PPARγ Forward (5’ to 3’): GCCCTTCACTACTGTTGACTTCTCC	This paper	N/A
PPARγ Reverse (5’ to 3’): CAGGCTCCACTTTGATTGCACTTTG	This paper	N/A
CEBPα Forward (5’ to 3’): TCGGTGGACAAGAACAGCAACG	This paper	N/A
CEBPα Reverse (5’ to 3’): GGCGGTCATTGTCACTGGTCAG	This paper	N/A
FABP4 Forward (5’ to 3’): TGGTACATGTGCAGAAATGGGATGG	This paper	N/A
FABP4 Reverse (5’ to 3’): TGACGCATTCCACCACCAGTTTATC	This paper	N/A
FTO Forward (5’ to 3’): TCAACTGGAAGCACTGTGGAAGAAG	This paper	N/A
FTO Reverse (5’ to 3’): CGAGGCAAGGATGGCAGTCAAG	This paper	N/A
Mmu-circMAPK9 Forward (5’ to 3’): CAGGTTATTCATATGGAACTGGAC	This paper	N/A
Mmu-circMAPK9 Reverse (5’ to 3’): TGCCTTCGTCAGACCCTCT	This paper	N/A
sh-circMAPK9 (5’ to 3’): TAATTCATAGAGGATCTGA	This paper	N/A
si-FTO	RiboBio	N/A
si-mmu-circMAPK9#1 (5’ to 3’): GTATCATTCATAGAGGTCT	This paper	N/A
si-mmu-circMAPK9#2 (5’ to 3’): TTCATAGAGGTCTGACGAA	This paper	N/A
si-mmu-circMAPK9#3 (5’ to 3’): ATCATTCATAGAGGTCTGA	This paper	N/A
Agomir-NC	RiboBio	N/A
Agomir-1322	RiboBio	N/A
Antagomir-NC	RiboBio	N/A
Antagomir-1322	RiboBio	N/A
Software and algorithms
GraphPad Prism 8	GraphPad	N/A
SPSS 19.0	IBM	N/A