ArticleBMC research notes2025
Tissue-specific changes in expression of Vegfr2 in tumor and normal tissues of lymphoma-bearing BALB/c mice under chronic restraint stress.
Article in BMC research notes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveAlteration of the expression of vascular endothelial growth factor (VEGF) and its receptors, VEGFR-1 and VEGFR-2, leads to aberrant angiogenesis in cancer; this is exacerbated by chronic stress. Our main aim was to determine the effect of chronic restraint stress on the expression of Vegfr2, the gene encoding VEGFR-2, in tumor, fat, skeletal muscle and brain in a murine model of lymphoma.
resultsWe found that both chronic stress and tumor burden alter Vegfr2 expression. Under chronic stress, Vegfr2 is differentially expressed in inguinal adipose tissue, decreasing in tumor-free, and increasing in tumor-bearing animals. In skeletal muscle, brain, and tumor, Vegfr2 expression was upregulated by chronic stress. Adipose tissue, brain and skeletal muscle of tumor-bearing animals also showed changes in Vegfr2 expression during tumor progression. We also found that for skeletal muscle the combination of chronic stress and tumor burden enhances Vegfr2 expression (23-folds).
conclusionChronic stress and tumor burden influence Vegfr2 expression in normal and tumoral tissues and their co-occurrence enhances its effect on skeletal muscle.
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