Angiogenesis is the tightly regulated process by which new blood vessels are formed from the existing vasculature. This process is physiologically important for development and wound healing, and is also a common driver in multiple diseases including rheumatoid arthritis, atherosclerosis, macular degeneration, and cancer. Angiogenesis occurs in response to a variety of molecular cues. Generally, the angiogenic process includes endothelial cell proliferation, chemotactic endothelial cell migration through the extracellular matrix barrier, and the formation of capillary tubes. Physiological and pathological angiogenesis utilize many of the same cellular processes and molecular signaling networks, however the structures that form during pathological angiogenesis are often functionally abnormal.
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Background: Angiogenesis Assay Kits
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FAQs for DIVAA FGF-2 (300 ng)/VEGF(100 ng)
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Q: Around the angioreactor in the mouse, a capsule forms with time. When harvesting the angioreactor, it is difficult to dissect the capsule tissue from the opening of the angioreactor. There is a plug of tissue growing into the chamber. Is this normal? Do you have any recommendations on how to handle chambers like this?
A: Growth of connective tissue into the angioreactor during angiogenesis is normal. The amount of connective tissue is dependent on the strain of mice, treatment, and response. The cell dissociation step may be increased up to 3 hours to improve dissociation/degradation, and any remaining connective tissue may be removed. If this does not solve the problem, it may be more appropriate to use the Optional Protocol for Dextran-FITC Detection (which measures capillary volume and discards cellular/connective tissue debris).