Chronic neurogenic pain activates growth factors in the blood of patients with cutaneous melanoma.

Authors

null

Valeria A. Bandovkina

Rostov Research Institute of Oncology, Rostov-on-Don, Russian Federation

Valeria A. Bandovkina , Elena M. Frantsiyants , Ludmila Ya. Rozenko , Viktoria V. Pozdnyakova , Natalia D. Cheryarina , Yuriy V. Przhedetskiy , Olga V. Khokhlova , Viktoria Yu. Przhedetskaya , Natalia A. Zakharova , Oleg I. Kit

Organizations

Rostov Research Institute of Oncology, Rostov-on-Don, Russian Federation

Research Funding

No funding received
None

Background: Clusters of tumor cells in blood vessels secrete VEGF family factors necessary for the formation of premetastatic niches. TGF-β activates the epidermal-mesenchymal transition (EMT). The purpose of the study was to analyze levels of angiogenesis and EMT factors in the blood of patients with cutaneous melanoma (M) and chronic neurogenic pain (CNP). Methods: Blood levels of VEGF-A, VEGF-C, VEGFR-1, VEGFR-3, TGF-β1 and TGF-βR2 were measured by ELISA in patients with Т3-4NxM0 melanoma: 21 women with CNP (pelvic pain - 7, osteochondrosis – 14), mean age 67.2±2.7 years; 17 men with CNP (osteochondrosis), mean age 65.6±3.1 years. The control group included patients with melanoma similar in age, gender and disease stages without CNP. Results: VEGF-A in women and men with M+CNP was higher than in controls by 2.7 and 24.9 times respectively; VEGFR-1 was decreased in women by 1.8 times and increased in men by 1.8 times. VEGF-С was unchanged in women and 1.5 times higher in men, and VEGFR-3 was increased by 2.2 times in women and unchanged in men. TGF-β1 was elevated in women and men with M+CNP by 1.4 and 1.8 times, compared to controls, TGF-βR2 – by 1.9 and 2 times respectively. Conclusions: In the blood of women with M+CNP, CNP activates the blood vascular endothelial growth factor VEGF-A and the factor of epidermal-mesenchymal transition TGF-β, while in the blood of men with M+CNP it activates the blood vascular endothelial growth factor VEGF-A, the lymphatic vascular endothelial growth factor VEGF-C and the factor of epidermal-mesenchymal transition TGF-β. VEGF mediates vascular permeability and is associated with the mobilization of endothelial progenitor cells from the bone marrow into premetastatic niches. Activation of TGF-β signaling promotes the induction of the epidermal-mesenchymal transition and supports the properties of cancer stem cells.

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Abstract Details

Meeting

2020 ASCO Virtual Scientific Program

Session Type

Publication Only

Session Title

Publication Only: Melanoma/Skin Cancers

Track

Melanoma/Skin Cancers

Sub Track

Local-Regional Disease

Citation

J Clin Oncol 38: 2020 (suppl; abstr e22082)

DOI

10.1200/JCO.2020.38.15_suppl.e22082

Abstract #

e22082

Abstract Disclosures

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