Prime time for neuropeptide Y

Article Abstract:

Neuropeptide Y (NPY) has an important role in the feeding pathway of animals as well as humans. Animal research findings show that Y5, an NPY-receptor subtype, functions as feeding receptor in the hypothalamus. NPY-containing neurons in the paraventricular nucleus, lateral hypothalamus and thalamic nuclei are believed to produce Y5 receptors. Y5 may modulate both the release of and response to NPY, affecting it pre- and post-synaptically. Y5 and its role in feeding path have important implications for obesity and related eating disorders.

Reports, Proteins, Cell receptors, Neuropeptide Y

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Sex and the single copepod

Article Abstract:

Copepods have a substantial amount of control over their own lives with respect to mating. There are indications that females actively attract males and that they reject unsuitable partners. Circumstantial evidence suggests that males may follow chemical trails left by females. Indeed, chemical cues may feature quite extensively in copepod mating behaviour. It appears that mate discrimination depends on contact chemoreception, which is probably determined by lectin-like glycoproteins on the body surface.

Sexual behavior, Copepoda, Copepods

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