. 2020 Sep 14;12(17):16899–16920. doi: 10.18632/aging.103594

Table 4. Comparison of CK5 and CK8 expression levels among the treatment group, the model control group and the young control group after mUCMSC treatment (n=9).

CK5 expression level	therapy group			Model control group			Youth control group
Number	1	2	3	1	2	3	1	2	3
Immunofluorescence cumulative optical density (IOD)	10147.4	4790.3	6488.0	21098.2^a	30361.8^a	20042.8^a	282.6^bc	2593.0^bc	742.8^bc
	5228.96	5174.4	2568.0	14635.5^a	38061.2^a	17175.0^a	647.1^bc	1468.4^bc	656.7^bc
	1533.5	10049.5	4363.8	2596.02^a	5596.16^a	5200.71^a	476.5^bc	608.59^bc	973.0^bc
CK8 expression level	1	2	3	1	2	3	1	2	3
Immunofluorescence cumulative optical density (IOD)	5475.67	2682.4	2004.5	1844.08^d	4408.2^d	3671.7^d	314.2^ef	1500.2^ef	299.5^ef
	2213.64	4645.1	2100.0	1658.94^d	7315.7^d	1716.1^d	418.4^ef	760.8^ef	674.3^ef
	2305.85	3692.9	2491.4	298.94^d	1107.2^d	1645.0^d	185.7^ef	739.0^ef	374.0^ef

Note: a is p<0.01 compared with the treatment group; b is p>0.05 compared with the treatment group; c is p<0.001 compared with the model control group. d is p>0.05 compared with the treatment group; e is p<0.01 compared with the treatment group; f is p<0.05 compared with the model control group.