Tachykinins and neurokinin receptors in bone marrow functions: Neural-hematopoietic link

After many decades of neuropeptide research, advances in the field of tachykinins have considerably increased and revealed their implications in several physiological processes. In this review we focus on the role of the tachykinins in the regulation of hematopoietic functions. Evidence has shown that neural control of this process is emerging as a significant category in hematopoietic modulation. In the context of this regulation, we discuss the existence of a complex network involving the neurokinin receptors, tachykinins and cytokines. This network is tightly regulated by each of its components.