Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Marta Wańkowska"'
Autor:
Marta Wańkowska, Jolanta Polkowska
Publikováno v:
Folia Histochemica et Cytobiologica, Vol 48, Iss 2, Pp 299-305 (2010)
The effects of maternal deprivation on the somatotrophic axis and neuropeptide Y (NPY) neuronal system in the hypothalamus of female lambs were evaluated. Twelve-week-old lambs were divided into two groups: the control (lambs stayed with mothers) and
Externí odkaz:
https://doaj.org/article/701d183277e84a64bce1d148dfd79a3d
Autor:
Jolanta Polkowska, Marta Wańkowska
Publikováno v:
Folia Histochemica et Cytobiologica, Vol 48, Iss 1, Pp 12-18 (2010)
Using morphological criteria we describe the effect of maternal deprivation on the gonadotrophin-releasing hormone (GnRH) and GnRH-associated peptide (GAP) of the GnRH prohormone (proGnRH) in the preoptic area (POA)-hypothalamus during the weaning pe
Externí odkaz:
https://doaj.org/article/ff90b07917f641649ae922f4851ddc42
Autor:
Natalia Chmielewska, Marta Wańkowska
Publikováno v:
Acta Biologica, Vol 22 (2015)
During the rearing period, most of the physiological processes of offspring are under maternal regulation, which overcomes the influence of external environmental factors. Maternal deprivation activates the hypothalamic-pituitary-adrenal (HPA) axis o
Externí odkaz:
https://doaj.org/article/30cd0712d24e4c3aa14b599b12915e75
Publikováno v:
Folia Histochemica et Cytobiologica, Vol 44, Iss 1, Pp 13-16 (2006)
The purpose of the study was to localise neuropeptide Y (NPY) immunoreactive (ir) neurons in the hypothalamus during two phases of the oestrous cycle in the ewe. Hypothalamic tissue was collected from Polish Merino ewes (n=8) in the follicular (15th
Externí odkaz:
https://doaj.org/article/e1b69a1e293f48a98bfcae451bd7c1e4
Publikováno v:
Journal of Chemical Neuroanatomy. 46:45-50
The role of exogenous ghrelin in the regulation of neuropeptide Y (NPY) neuronal system in the hypothalamus of intact lambs has not been yet determined. The aim of present study was to investigate the effects of intracerebroventricular infusion of gh
Autor:
Marta Wańkowska
Publikováno v:
Theriogenology. 77:615-627
The aim of the present study was to investigate whether the growth promoted transition to puberty in lambs involved changes in the effects of testicular hormones on somatostatin in hypothalamic neurons and GH secretion. The study was performed in inf
Publikováno v:
Animal Reproduction Science. 122:342-352
Using histomorphological and functional criteria we describe the feedback mechanisms which could play a role in the regulation of the gonadotrophic axis during the postnatal transition to puberty in male lambs. The working hypothesis was that the tes
Autor:
Katarzyna Romanowicz, Tomasz Misztal, Marta Wańkowska, D. Szczepankiewicz, Jolanta Polkowska, Anna Wójcik-Gładysz
Publikováno v:
Scopus-Elsevier
The aim of the present study was to investigate the effect of exogenous leptin on somatotrophic axis regulation in prepubertal female lambs under conditions of acute undernutrition (72 h fasting). The analyses in fasted sheep revealed enhancement of
Autor:
Tomasz Misztal, Marta Wańkowska, Jolanta Polkowska, Katarzyna Romanowicz, Anna Wójcik-Gładysz
Publikováno v:
Animal Reproduction Science. 114:370-383
Leptin is believed to link metabolic status to reproductive processes. The aim of the present study was to investigate the effect of exogenous leptin on the secretory activity of GnRH/LH system in acutely undernourished prepubertal, female lambs. Mer
Autor:
Marta Wańkowska, Jolanta Polkowska
Publikováno v:
Journal of Chemical Neuroanatomy. 38:9-19
Using morphological criteria we describe the postnatal ontogeny of gonadotrophin-releasing hormone (GnRH) and GnRH-associated peptide (GAP) of the GnRH prohormone in the ovine preoptic area (POA)-hypothalamus. The immunohistochemical GnRH- and GAP-ne