Search Results - "Kulczykowska, E."

Annual changes in brain concentration of arginine vasotocin and isotocin correspond with phases of reproductive cycle in round goby, Neogobius melanostomus by Sokołowska, E, Kleszczyńska, A, Nietrzeba, M, Kulczykowska, E

“…Reproductive cycle of seasonally breeding fish is synchronized with changes of photoperiod and temperature in environment. We hypothesize that arginine…”
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Vasotocinergic and isotocinergic systems in the gilthead sea bream (Sparus aurata): An osmoregulatory story by Martos-Sitcha, J.A., Wunderink, Y.S., Gozdowska, M., Kulczykowska, E., Mancera, J.M., Martínez-Rodríguez, G.

“…To investigate the physiological roles of arginine vasotocin (AVT) and isotocin (IT) in osmoregulatory process in gilthead sea bream (Sparus aurata), a time…”
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Arginine vasotocin (AVT) and isotocin (IT) in fish brain: Diurnal and seasonal variations by Gozdowska, M., Kleszczyńska, A., Sokołowska, E., Kulczykowska, E.

“…An HPLC assay with solid-phase extraction and fluorescence derivatization was developed for measurement of arginine vasotocin (AVT) and isotocin (IT) in the…”
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Responses of circulating arginine vasotocin, isotocin, and melatonin to osmotic and disturbance stress in rainbow trout (Oncorhynchus mykiss) by Kulczykowska, E

“…In teleost fish exposed to stressors AVT has been implicated in activation of the hypothalamo-pituitary-interrenal axis. Mel has been shown to counteract…”
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Effects of water salinity on melatonin levels in plasma and peripheral tissues and on melatonin binding sites in European sea bass ( Dicentrarchus labrax) by López-Olmeda, J.F., Oliveira, C., Kalamarz, H., Kulczykowska, E., Delgado, M.J., Sánchez-Vázquez, F.J.

“…Sea bass is an euryhaline fish that lives in a wide range of salinities and migrates seasonally from lagoons to the open sea. However, to date, the influence…”
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Melatonin concentrations during larval and postlarval development of gilthead sea bream Sparus auratus: more than a time-keeping molecule? by Kalamarz, H., Nietrzeba, M., Fuentes, J., Martinez-Rodriguez, G., Mancera, J.M., Kulczykowska, E.

“…In this study, melatonin (MEL) and thyroxine (T4) concentrations were measured during larval and postlarval development of gilthead sea bream Sparus auratus…”
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Day–night variations in plasma melatonin and arginine vasotocin concentrations in chronically cannulated flounder ( Platichthys flesus) by Kulczykowska, E, Warne, J.M, Balment, R.J

“…Chronically catheterised, free swimming flounder ( Platichthys flesus) have been used in experiments examining the day–night variations in circulating levels…”
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Melatonin synthesis under calcium constraint in gilthead sea bream ( Sparus auratus L.) by Abbink, W, Kulczykowska, E, Kalamarz, H, Guerreiro, P.M, Flik, G

“…Abstract Brain or blood plasma melatonin was analysed as a measure for pineal melatonin production in sea bream. Access to calcium was limited by diluting the…”
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Disruption of the melatonin rhythm in wild and farmed fish: a consequence of prolonged thyroxine administration and calcium depletion by Kulczykowska, E., Sokolowska, E., Gozdowska, M., Kalamarz, H.

“…Recent studies suggest that the pineal gland and its major product melatonin (N‐acetyl‐5‐methoxytryptamine: Mel) play a role in integration of various neural…”
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Effects of arginine vasotocin, isotocin and melatonin on blood pressure in the conscious atlantic cod (Gadus morhua): hormonal interactions? by Kulczykowska, E

“…The effects of exogenous arginine vasotocin (AVT), isotocin (IT) and melatonin on the blood pressure of conscious Atlantic cod (Gadus morhua) were examined…”
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Diurnal Changes in Plasma Arginine Vasotocin and Isotocin in Rainbow Trout Adapted to Fresh Water and Brackish Baltic Water by Kulczykowska, E., Stolarski, J.

“…The plasma levels of arginine vasotocin (AVT) and isotocin (IT) in rainbow trout (Oncorhynchus mykiss) were studied to assess possible diurnal variations in…”
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Plasma Ca2+ concentration limits melatonin night production in two fish species by Gozdowska, M., Sokołowska, E., Kulczykowska, E.

“…In freshwater (FW) rainbow trout Oncorhynchus mykiss of spontaneously low plasma calcium concentrations ([Ca2+]pl), plasma melatonin at night was significantly…”
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Behavioural indicators of welfare in farmed fish by Martins, Catarina I. M., Galhardo, Leonor, Noble, Chris, Damsgård, Børge, Spedicato, Maria T., Zupa, Walter, Beauchaud, Marilyn, Kulczykowska, Ewa, Massabuau, Jean-Charles, Carter, Toby, Planellas, Sònia Rey, Kristiansen, Tore

“…Behaviour represents a reaction to the environment as fish perceive it and is therefore a key element of fish welfare. This review summarises the main findings…”
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Highly Sensitive and Specific Assay of Plasma Melatonin Using High-Performance Liquid Chromatography with Fluorescence Detection Preceded by Solid-Phase Extraction by Kulczykowska, Ewa, Iuvone, P. Michael

“…This paper describes a new, highly sensitive, rapid method for the determination of low levels of endogenous melatonin, the pineal and retinal hormone, in fish…”
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Influence of exogenous thyroxine on plasma melatonin in juvenile Atlantic salmon (Salmo salar) by Kulczykowska, E

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Diel changes in plasma arginine vasotocin, isotocin, and melatonin in rainbow trout (Oncorhynchus mykiss) by Kulczykowska, E

“…The diel changes in plasma AVT, IT and Mel in rainbow trout (Oncorhynchus mykiss) were studied to assess potential relationships. Blood was sampled at 05:00,…”
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Melatonin, vasotocin and isotocin as biomarkers of the condition of fish by Kulczykowska, E., Gozdowska, M., Martos-Sitcha, J.A., Kalamarz, H., Nietrzeba, M., Mancera, J.M., Martínez-Rodríguez, G.

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review of the multifunctional hormone melatonin and a new hypothesis involving osmoregulation by Kulczykowska, Ewa

“…The pineal hormone melatonin is a potentregulator of seasonal and circadian rhythms invertebrates, among them fish. Melatoninsynthesis shows a diurnal rhythm…”
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Environmental influence on maturation and dominance relationships in the three-spined stickleback (Gasterosteus aculeatus L.): temperature competes with photoperiod for primacy by Sokołowska, Ewa, Kulczykowska, Ewa

“…In this study, the influence of a combination of different photoperiods and temperatures on the final maturation and social interactions in three-spined…”
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Hypothalamic arginine vasotocin and isotocin are involved in stress response in fish by Kulczykowska, E., Gozdowska, M., Kalamarz, H., Kleszczyńska, A., Nietrzeba, M., Martinez-Rodriguez, G., Mancera, J.M.

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