TABLE 7.

Top 20 keywords with highest frequency in exosome and skin-related research in the past decade.

Rank	Frequency	Centrality	Year	Keywords
1	169	0.07	2014	Exosome
2	153	0.01	2016	Extracellular vesicles
3	104	0.08	2015	Wound healing
4	97	0.05	2014	Expression
5	93	0.03	2016	Mesenchymal stem cells
S	80	0.1	2014	Skin
7	74	0.06	2015	Angiogenesis
8	54	0.01	2018	Stem cells
9	50	0.03	2016	Proliferation
10	48	0.11	2014	In vitro
11	47	0.07	2015	Cells
12	44	0.15	2015	Differentiation
13	43	0.01	2017	Therapy
14	42	0.09	2015	Stromal cells
15	39	0.1	2017	Mechanisms
16	39	0.04	2017	Repair
17	38	0.02	2015	Microvesicles
18	36	0.05	2016	Migration
19	36	0.05	2018	Inflammation
20	30	0.05	2017	Regeneration