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Journals and Conferences
beta-Endorphin has been shown to possess potent behavioral and antinociceptive activities when administered intraventricularly in cats. On a molar basis, beta-endorphin is 72-96 times more potent than morphine and its actions are blocked by the specific opiate antagonist, naloxone.
Abstract Immunohistochemical mapping with antibodies against four different types of gonadotropin-releasing hormone (GnRH)-like neuro-peptides has been studied in the brain of adult Rana esculenta. This study confirms the earlier described distribution pattern of the immunoreactive mammaiian GnRH system in the frog brain, as well as revealing that this… (More)
The aim of this work is to study the implementation feasibility of a VLS (Virtual Lambda Sensor) by a TSK (Takagi, Sugeno, Kang) singleton FIS (Fuzzy Inference System). Such a sensor could be used in a model based EMS (Engine Management System) for trade gasoline engines. FIS design target is to obtain a system with a fixed data representation (i.e. 10… (More)
Tolerance to beta-endorphin developed acutely in cats if the administration of the peptide was repeated within the first 24 hr. The tolerance was reversed immediately by systemic administration of the serotonin precursor, 5-hydroxytryptophan. It was further shown that 5-hydroxytryptophan potentiates the analgesic effect of the subliminal dose of… (More)
To assess the pattern of right ventricular (RV) functional recovery in a cohort of patients with successful reperfusion of a first episode of acute myocardial infarction (AMI) with 2D speckle-tracking echocardiography and cardiac magnetic resonance imaging (CMR). Ninety-five revascularized AMI patients were prospectively included (56.8 ± 11.1 years, 48… (More)
Male frogs at 28°C show an increase in the testis weight and a decrease in its protein content. At 15°C and 4°C the testis lipids increase. Testosterone administration nullifies the low temperature-induced changes in the testis.
Castration provokes a time-related decrease in weight, protein, β-glucuronidase and glucose-6-phosphate dehydrogenase activity of seminal vesicles. A dose-dependent stimulation of these parameters is obtained with 5α-DHT. Cyproterone acetate counteracts the stimulatory effects due to androgen. Acid and alkaline phosphatases remain largely unaffected by… (More)
The distribution and density of cell bodies and fibers immunoreactive to GnRH-like peptides were investigated in the brain of male juvenile frogs (Rana esculenta) during postmetamorphic development. An immunohistochemical technique was used, involving antisera raised against 4 variants of GnRH: mammalian GnRH, chicken GnRH-I, chicken GnRH-II and salmon… (More)
Extirpation of the pars distalis of the pituitary or castration in any period of the year cause thumb pad regression. Thumb pad development is regulated by an interaction of both temperature and androgenic hormones.
Various types of stress, chemical or surgical, have a negative influence on the protein and RNA content of the hypothalamo-hypophyseal system ofRana esculenta. A degree of recovery occurs in these tissues 24 h after MS222 anaesthesia and laparatomy. Decapitation is apparently the most suitable method of sacrificing the animals.