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8 Result(s)

within J.M. Mancera Remove this filter Animal Anatomy / Morphology / Histology Remove this filter

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  1. No Access

    Article

    Gene expression of thyrotropin- and corticotrophin-releasing hormones is regulated by environmental salinity in the euryhaline teleost Sparus aurata

    In euryhaline teleosts, the hypothalamus-pituitary-thyroid and hypothalamus-pituitary-interrenal axes (HPT and HPI, respectively) are regulated in response to environmental stimuli such as salinity changes. Ho...

    Ignacio Ruiz-Jarabo, J. A. Martos-Sitcha… in Fish Physiology and Biochemistry (2018)

  2. No Access

    Article

    Effect of different salinities on gene expression and activity of digestive enzymes in the thick-lipped grey mullet (Chelon labrosus)

    The effects of different environmental salinities (0, 12, 40, and 55 ppt) on pepsinogen 2 (pga2), trypsinogen 2 (try2), chymotrypsinogen (ctr), and pancreatic alpha-amylase (amy2a) gene expression, and on the tot...

    I. M. Pujante, F. J. Moyano, J. A. Martos-Sitcha… in Fish Physiology and Biochemistry (2018)

  3. No Access

    Article

    Insulin-like growth factor 1 (IGF-1) regulates prolactin, growth hormone, and IGF-1 receptor expression in the pituitary gland of the gilthead sea bream Sparus aurata

    The role of insulin-like growth factor 1 (IGF-1) on regulation of growth hormone (GH) and prolactin (PRL) as well as the possible involvement of IGF-1 receptor subtype a (IGF-1Ra) mRNA was assessed in juvenile...

    Khaled Mohammed-Geba, J. A. Martos-Sitcha… in Fish Physiology and Biochemistry (2016)

  4. No Access

    Article

    Effects on the metabolism, growth, digestive capacity and osmoregulation of juvenile of Sub-Antarctic Notothenioid fish Eleginops maclovinus acclimated at different salinities

    In this study we assessed the influence of three different environmental salinities (5, 15 and 31 psu during 90 days) on growth, osmoregulation, energy metabolism and digestive capacity in juveniles of the Not...

    L. Vargas-Chacoff, E. Saavedra, R. Oyarzún… in Fish Physiology and Biochemistry (2015)

  5. No Access

    Article

    Stocking density and Piscirickettsia salmonis infection effect on Patagonian blennie (Eleginops maclovinus, Cuvier 1830) skeletal muscle intermediate metabolism

    The need to expand aquaculture production has led to other fish to be considered as potential species for culture, such as the sub-Antarctic notothenioid Eleginops maclovinus (Valenciennes, 1830). The aim of this...

    L. Vargas-Chacoff, E. Ortíz, R. Oyarzún, D. Martínez… in Fish Physiology and Biochemistry (2014)

  6. No Access

    Article

    Immunocytochemical identification of adenohypophyseal cells in the pirarucu (Arapaima gigas), an Amazonian basal teleost

    The adenohypophysis (AH) of juvenile pirarucu (Arapaima gigas), a representative species of the Osteoglossomorpha (bonytongue fishes, one of the oldest living groups of the teleosts), was studied using histochemi...

    M. I. Borella, R. Venturieri, J. M. Mancera in Fish Physiology and Biochemistry (2009)

  7. No Access

    Article

    Inhibition of HPI axis response to stress in gilthead sea bream (Sparus aurata) with physiological plasma levels of cortisol

    This study investigates the effect of corticosteroid (cortisol) administration on the stress response of the gilthead sea bream Sparus aurata subjected to a 48 h confinement. The effect of (in-vitro and in-vivo )...

    J. Rotllant, R.J. Arends, J.M. Mancera, G. Flik… in Fish Physiology and Biochemistry (2000)

  8. No Access

    Article

    Influence of cortisol, growth hormone, insulin-like growth factor I and 3,3′,5-triiodo-l-thyronine on hypoosmoregulatory ability in the euryhaline teleost Fundulus heteroclitus

    The capacity of cortisol, ovine growth hormone (oGH), recombinant bovine insulin-like growth factor I (rbIGF-I) and 3,3′,5-triiodo-l-thyronine (T3) to increase hypoosmoregulatory capacity in the euryhaline teleos...

    J.M. Mancera, S.D. McCormick in Fish Physiology and Biochemistry (1999)