ZHANG Li-jun,YAN Wei-heng,HUANG Guo-qing,et al.Expression of miR-205 and miR-367 in cutaneous malignant melanoma tissue and their clinical significances[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2024,33(01):84-88.
ZHANG Li-jun,YAN Wei-heng,HUANG Guo-qing,et al.Expression of miR-205 and miR-367 in cutaneous malignant melanoma tissue and their clinical significances[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2024,33(01):84-88. DOI: 10.11659/jjssx.05E023043.
Expression of miR-205 and miR-367 in cutaneous malignant melanoma tissue and their clinical significances
To study the expression of miR-205 and miR-367 in cutaneous malignant melanoma (CMM) tissue and their relationships with clinicopathological characteristics and prognosis.
Methods
2
The tumor tissues from 85 patients with CMM who were admitted to our hospital from May 2013 to December 2019 were selected as the CMM group, and the nevus tissue samples from 80 patients with benign pigmented nevi who were treated in our hospital during the same period were selected as the control group. The expression level of miR-205 and miR-367 of two groups were detected by qRT-PCR. The clinical and pathological data of patients with CMM were collected, and the relationships between the expression of miR-205 and miR-367 and clinicopathological characteristics were analyzed.
Kaplan-Meier
was used to draw the survival curves of patients 3 years after surgery, and the survival rate of patients was analyzed by
Log-rank
test. The influencing factors of prognosis was analyzed by
COX
proportional risk regression model.
Results
2
The expression level of miR-205 of patients in the CMM group was lower than that in the control group, and the expression level of miR-367 was higher than that in the control group (
P
<
0.05). The proportions of patients with ulceration, high clinical stage,tumor invasion, low KPS score, thick primary lesion, high Clark grade, lymph node metastasis in the miR-205 low-expression group were higher than those in the miR-205 high-expression group(
P
<
0.05), the proportions of patients with the above indexes in the miR-367 high-expression group were higher than those in the miR-367 low-expression group(
P
<
0.05).Patietns were followed up for 3 years, with a median time of 28.3 months, and 1 case was lost to followed-up. The
Kaplan-Meier
survival curve showed that the 3-year survival rate of patients in the miR-205 high-expression group was higher than that in the miR-205 low-expression group (
P
<
0.05),and the 3-year survival rate of patients in the miR-367 low-expression group was higher than that in the miR-367 high-expression group (
P
<
0.05).
COX
multivariate regression analysis showed that the high clinical stage, low KPS score, high Clark grade, lymph node metastasis, and high expression of miR-367 were the risk factors for prognosis of patients,while high expression of miR-205 was a protective factor(
P
<
0.05).
Conclusion
2
Low expression of miR-205 and high expression of miR-367 in CMM tissue are associated with ulceration,high clinical stage,tumor invasion,low KPS score,thick primary lesion,high Clark grade,lymph node metastasis, and poor prognosis. These two indicators may serve as potential biomarkers for prognostic evaluation in CMM patients.
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