Journal
CYTOKINE & GROWTH FACTOR REVIEWS
Volume 62, Issue -, Pages 23-41Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.cytogfr.2021.10.006
Keywords
Leptin; Angiogenesis; Vasculogenic mimicry; Tumor microenvironment; Cancer
Categories
Funding
- SEP-CONACYT [CB-2014-01-239870]
- CON-ACYT Pre-doctoral Training Grant
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The ability of leptin to induce angiogenesis and vasculogenic mimicry in different types of cancer has been studied, with significant relationships observed in breast cancer. Leptin activates multiple pathways to promote the expression of angiogenic factors and vasculogenic mimicry, suggesting its potential role as a therapeutic target for tumor survival and metastasis.
The acquired ability to induce the formation of a functional vasculature is a hallmark of cancer. Blood vessels in tumors are formed through various mechanisms, among the most important in cancer biology, angiogenesis, and vasculogenic mimicry have been described. Leptin is one of the main adipokines secreted by adipocytes in normal breast tissue and the tumor microenvironment. Here, we provide information on the relationship between leptin and the development of angiogenesis and vasculogenic mimicry in different types of cancer. Here, we report that leptin activates different pathways such as JAK-STAT3, MAPK/ERK, PKC, JNK, p38, and PI3K-Akt to induce the expression of various angiogenic factors and vasculogenic mimicry. In vivo models, leptin induces blood vessel formation through the PI3K-Akt-mTOR pathway. Interestingly, the relationship between leptin and vasculogenic mimicry was more significant in breast cancer. The information obtained suggests that leptin could be playing an essential role in tumor survival and metastasis through the induction of vascular mechanisms such as angiogenesis and vasculogenic mimicry; thus, leptin-induced pathways could be suggested as a promising therapeutic target.
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