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Why do tumors need angiogenesis?

Published Sep 18, 2026Updated Sep 19, 2026Last verified Sep 18, 2026Requests recorded in this site’s own server logs, with the crawler identity checked by reverse DNS or IP range.Google4Anthropic1First collected Sep 19, 2026Recent requestsAnthropic · unverifiedSep 21, 2026GoogleSep 21, 2026GoogleSep 21, 2026GoogleSep 19, 2026GoogleSep 19, 2026
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Quick answer

Solid tumors need their own blood supply to grow larger than a few millimeters. They release chemical signals, or prompt nearby cells to release them, which cause new vessels to grow toward the tumor. These vessels bring oxygen and nutrients, letting the tumor grow, invade nearby tissue and spread to other organs. Judah Folkman proposed in 1971 that blocking this process could be a cancer treatment.

66 words8 sources

Answer

NCI explains the role of angiogenesis in tumor growth [1]. Folkman's postulates, including the limit of about 2–3 mm³ without new vessels, are summarized in a 2010 editorial [4].

Sources

  1. governmentAngiogenesis Inhibitors (fact sheet) — National Cancer Institute · accessed Sep 19, 2026 · Evidence page
  2. journalOverview of Angiogenesis (in: Adair TH, Montani JP. Angiogenesis) — Morgan & Claypool Life Sciences / NCBI Bookshelf · accessed Sep 19, 2026 · Evidence page
  3. journalBevacizumab (StatPearls) — StatPearls Publishing / NCBI Bookshelf · accessed Sep 19, 2026 · Evidence page
  4. journalTumor Angiogenesis (editorial), Dudek AZ, Gupta K, Ramakrishnan S, Mukhopadhyay D. Journal of Oncology — Journal of Oncology (Hindawi) · accessed Sep 19, 2026 · Evidence page
  5. governmentTreatments for Wet AMD (Advanced Neovascular AMD) — National Eye Institute (NIH) · accessed Sep 19, 2026 · Evidence page
  6. journalTherapeutic Angiogenesis for Peripheral Artery Disease: Lessons Learned in Translational Science, Iyer SR, Annex BH — JACC: Basic to Translational Science · accessed Sep 19, 2026 · Evidence page
  7. journalCell-Assisted Lipotransfer for Cosmetic Breast Augmentation: Supportive Use of Adipose-Derived Stem/Stromal Cells, Yoshimura K et al. — Aesthetic Plastic Surgery · accessed Sep 19, 2026 · Evidence page
  8. journalAdipose-Derived Stem Cell, Stromal Vascular Fraction, and Regenerative Cell Enrichment in Fat Grafting: A Systematic Review of Safety and Functional Outcomes — Cureus (PubMed Central) · accessed Sep 19, 2026 · Evidence page