Dear Colleagues,

Sexual hormones are often major regulators of complex behaviors, such as mating and reproduction. Traditionally, androgens, as genital male hormones, regulate such functions. Neuropeptides, neurotransmitters, growth factors and cytokines are expressed in the reproductive organs and tissues of many animal species, both in physiological and pathological conditions; here, they interact with afferent endocrine messages in order to modulate cell proliferation and differentiation, and local hormone secretion. These peptides, together with other internal or external environmental factors and/or chemicals, have the capacity to interfere with normal signalling systems by blocking or modulating the synthesis, release, transport, metabolism, binding or elimination of the sexual hormones.

We welcome publications that explore the role and the effects of these external and internal modulators that act on the reproductive functions of different male animal species.

Suitable topics include:

- Anatomical studies

- Functional studies

- Comparative studies

- Tissue tests

Original articles, Reviews and Case Report articles will be considered.

Dr. Anna Costagliola
Dr. Giovanna Liguori
Guest Editors

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