Vasoactive intestinal peptide (VIP) is a 28 amino acid neuropeptide with a wide range of biological activities. Receptors for VIP (VIP-R) are overexpressed in breast cancer, where they may have diagnostic and therapeutic implications. Although N-methyl nitrosourea (MNU)-induced breast cancer in rats
High-performance liquid chromatography-purified 125I-vasoactive intestinal peptide (VIP) bound to T-47D human breast cancer cells in a specific, saturable, and reversible manner. Scatchard plots were compatible with the presence of one class of VIP receptors with high affinity (Kd = 4.5 X 10(-10) M
Secretin receptor (SCTR), the G-protein coupled receptor (GPCR) for secretin, has been observed to be upregulated in a few tumor types while downregulated in others, promoting or suppressing the proliferation of tumor cells, respectively. However, little is known about the molecular regulatory
Endocrinology was recognized as a new branch of biological science mainly as a result of events which took place between about 1890 and 1905, but ideas and discoveries dating from antiquity contributed to it also. Experiments supporting the concept of internal secretions by the testicles were
Vasoactive intestinal peptide (VIP) is a 28-amino acid peptide with a wide range of biological activities. Recent data suggest that functional VIP receptors are expressed on various tumor cells. Somatostatin (SST) and its long-acting analogue octreotide (OCT) are potent inhibitors of tumor cell
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