The endothelin B (ETB) receptor agonist IRL 1620 is highly vasoconstrictive in two syngeneic rat tumour lines: potential for selective tumour blood flow modification.

Br J Cancer · 2005 · PMC2361472 · PMID 15970923

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may be significantno p-value reported

Receptor binding studies revealed existence of both ET A and ET B receptors in the P22 tumour and showed that ET A receptors are more abundant than ET B receptors, which may be significant for tumour growth.

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