GALLUS , Lorenzo

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Tissue repair is an adaptive and common metazoan response characterized by various cellular mechanisms and complex signalling networks that involve several growth factors and cytokines. In higher animals, the transforming growth factor-β superfamily members (TGF-β SF) signalling plays a fundamental role in wound healing. Aim of this thesis was...

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Crypt neurons are olfactory receptor cells located in the olfactory epi- thelium of fishes. They exhibit a peculiar and well-recognizable morphol- ogy, although their odorant specificity is still unknown. Data on their appearance during development are few and far between. This study set out to identify the time at which crypt neurons appeared...

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The present study describes for the first time in Acerentomon sp. the distribution of glutamate decarboxylase-like immunoreactivity. The presence of this GABA-synthetizing enzyme was described in: pharynx wall, cephalic muscles, posterior part of the supraesophageal ganglion, abdominal glands, neuropil near to the posterior ganglion, cuticular...

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The experiment was conducted in two earthen ponds to investigate the body composition, and fatty acid profile of carps along with growth performance by using rice polish as fish feed with urea and ammonium nitrate fertilization of pond. Silver carp (Hypophthalmichthys molitrix), Rohu (Labeo rohita) and Mori (Cirrhinus mrigala) were stocked in...

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Chronic renal disease is known to alter olfactory function, but the specific changes induced in olfactory organs during this process remain unclear. Of the uraemic toxins generated during renal disease, high levels of urea are known to induce hyposmic conditions. In this study, the effects of environmental exposure to elevated concentrations of...

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In this study, the presence and distribution of FMRFamide-like immunoreactivity in the alimentary tract of barnacle Balanus amphitrite were investigated. A net of nerve fibers strongly immunoreactive to FMRFamide-like molecules was localized in the posterior midgut and hindgut. Positive varicose nerve terminals were also localized close to the...

Sea urchins are echinoderms, marine invertebrates found at the base of the deutorostome lineage, which show separate sexes and are external spawners. In the sea urchin, efficient regulation of water homeostasis is essential for many biological processes such as cellular respiration, normal fertilization and correct embryo growth. In order to...

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The sponge Chondrosia reniformis selectively engulfs siliceous particles that, when in crystalline form, become quickly dissolved in its ectosome. The molecular mechanism, identity, and physiological significance of the cells involved in this process are not completely understood. In the present study, we applied light and electronic...

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Immunofluorescence is a first-choice technique for the study of neuroanatomy and, in general, of very fine structures. A stumbling block to the application of immunofluorescence is autofluorescence in tissues. This problem has different origins, as it can be related to the structures that are being examined, the fixation protocol, and the...