Biomedical subjects
Publications and source records attributed to V Faraone.
The authors examine the most interesting data about gallbladder cancer. They emphasize the difficulties of an useful approach to this pathology: an early diagnosis is quite impossible and the surgical treatment very disappointing.
The authors, in the present study try to test the prophylactic effect of human IgG on surgical patients affected by colorectal cancer and undergoing chemotherapy in order to prevent microbial infections, supporting immunological host defences.
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As high levels of Prostaglandins E2 were observed in several gastric diseases, the Authors determined the PGE2 levels in gastric cancer patients without recurrences, in pre and post-operative period. PGE levels were correlated with cancer progression and their significance as tumoral markers was also assessed.
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The effects of intramuscular treatment for 3 and 5 consecutive days with thallium sulphate (2.5, 5 and 10 mg/Kg) on GABA content, glutamate - decarboxylase (GAD) and GABA-transaminase (GABA-T) activity in different areas of the rat brain were studied. Thallium at the dose levels used did not produce significant changes in GABA content, GAD and GABA-T activity in the brain hemispheres, brainstem, hypothalamus, diencephalon and caudate nucleus.
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In young chicks the effects of two different doses of apomorphine, a small dose, producing behavioural and electrocortical sleep and a larger one producing arousal, on GABA content, GAD and GABA-T activities in the paleostriatum augmentatum were studied. The small dose of apomorphine did not affect GABAergic mechanisms in this area, whereas the dose producing behavioural and electrocortical arousal significantly increased GAD activity and GABA content. The results of the present experiments are in favour of an interaction between dopaminergic and GABAergic mechanisms in the avian paleostriatum augmentatum.
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Intracytoplasmic estradiol content was studied retrospectively using immunohistochemical procedures in tissue samples from subjects suffering from colorectal cancer. The results obtained reveal the presence of intracytoplasmic estradiol in cancer tissue. In precancerous lesions this presence is rarer and inconstant. Estradiol was not detected in the healthy tissue examined. These data suggest that such tumours may depend to some degree on endocrine factors.
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The authors utilised several reviews of the literature and own experience based on 6 cases of non Hodgkin's primary gastric lymphoma. They refer about the importance and the difficulties to make differential diagnosis and on the staging. The authors believe that the treatment of choice is a surgical therapy but the role of radiotherapy and chemotherapy is very interesting in several cases.