Analyses of circRNA profiling during the development from pre-receptive to receptive phases in the goat endometrium

Table 3 The interval analysis of circRNA expression (FPKM)

	Sample	PE1	PE2	RE1	RE2
Lowly expressed circRNAs^a	0–0.1 FI	20 (0.25%)	58 (0.48%)	18 (0.26%)	35 (0.38%)
Lowly expressed circRNAs^a	0.1–0.3 FI	84 (1.05%)	147 (1.21%)	51 (0.73%)	89 (0.97%)
Medium expressed circRNAs^b	0.3–3.57 FI	2,523 (31.66%)	4,506 (37.20%)	3,284 (47.05%)	3,116 (33.91%)
Medium expressed circRNAs^b	3.57–15 FI	3,861 (48.46%)	5,663 (46.75%)	2,995 (42.91%)	4,504 (49.02%)
Highly expressed circRNAs^c	15–60 FI	1,314 (16.49%)	1,523 (12.57%)	563 (8.07%)	1,288 (14.02%)
Highly expressed circRNAs^c	> 60 FI	166 (2.08%)	217 (1.79%)	69 (0.99%)	156 (1.70%)

FPKM value (Fragment Per Kilobase of exon per Million fragments mapped) were categorized into six groups in this study. FI FPKM interval. ^a circRNAs expressional level < 0.3 RPKM; ^b circRNAs expressional level ranging from 0.3 to 15 RPKM. ^c circRNAs expressional level > 15 RPKM

ISSN: 2049-1891