Table 1. Characteristics of aberrant lncRNA in PCOS patients.

Species	Specimen	Gene	Chromosome	Expression pattern (up/down regulation)	Identified functions	Reference
Human	Ovary	NEAT1	11	Up	Sponging mir-16, mir-483, mir-324-3p	(47)
					Promoting KGN cell proliferation
	Granular cells	ZFAS1	20	Up	Sponging mir-129	(48)
					Involving in cell proliferation and apoptosis
					Regulate the P4 and E2 secretion
		MALAT1	11	Down	Sponging mir-125b, mir-203a	(49)
					Involving in cell proliferation and apoptosis
		PVT1	8	Up	Sponging mirna-17-5p	(50)
					Involving in cell proliferation and apoptosis
		HCP5	6	Up	Sponging mir27a-3p/IGF-1	(51)
					Involving in cell proliferation and apoptosis
		BANCR	9	Up	Activating the p53 signaling	(52)
					Promoting cell apoptosis
		LINC-01572:28	16	Up	Impeding cell cycle	(53)
Human		HCG26	6	Up	May involve in the proliferation	(54)
					Correlated with antral follicle count
		OC1	9	Up	Inhibiting aromatase mrna	(55)
		HUPCOS (ZSCAN2-5:15)	15	Up	Inhibiting aromatase mrna	(56)
					Positively associated with follicular fluid testosterone
		RP11-151A6.4	13	Up	May involve in the lipid metabolism and the regulation of insulin	(57)
		PWRN2	15	Up	Sponging mir-92b-3p	(58,59)
					Involved in oocyte nuclear maturation
	Follicular fluid	PVT1	8	Up	Sponging mirna-17-5p	(50)
		RP11-2N1.2	18	Up	Associated with serum androgen serum androgen	(43)
		CTC-338M12.6	5	Up
		RP11-547D23.1	14	Up
		RP11-834C11.4	12	Up
		CTD-2034I21.1	16	Up	Associated with serum LH levels
		LINC01448	7	Up
		AC005614.5	19	Up
		B4GALT1-AS1	9	Up
		FLJ33581	20	Up
	Peripherial blood	MIRLET7BHG	22	Up	Positively related to BMI	(60)
		SRA	5	Up	Positively related to BMI	(61)
					Involving in adiposity-related processes
		CTBP1-AS	4	Up	Closely related to the serum total testosterone	(62)
		GAS5	1	Down	Positively associated with fasting plasma glucose levels	(63)
		H19	11	Up	Related to the IR	(64)
		Xist	X	Down	Negatively related with poor pregnant outcome	(65)
		SRLR	3	Up	Involving in ovarian granulosa cell apoptosis	(66)