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1

In vivo effect of 2-deoxy-D-glucose on adenine nucleotide levels in the liver and skeletal muscle of rats

100%
Torlinska T., Rutkowska D., Hryniewiecki T., Paluszak J.
Acta Physiologica Polonica
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1990
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tom 41
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nr 7
Torlińska T., Rutkowska D., Hryniewiecki T., Paluszak J.: In vivo effect of 2-deoxy-D-glucose on adenine nucleotide levels in the liver and skeletal muscle. Acta Physiol. Pol. 1990, 41 (7): 75-83. The present report indicates that 2-deoxy-D-glucose (2-DG) at a single dose causing reduction of Т„ has no influence on liver and skeletal muscle content of ATP, ADP and AMP, the ATP/ADP ratio, energy charge potential (ECP) and total adenine nucleotides (TAN). After administration of 2-DG for 3) successive days, the level of ATP, ATP/ADP ratio, the values of ECP and TAN are decreased both in the liver nad skeletal muscle. However, 72 hours after the last injection of 2-DG adenine nucleotide contents returned to the values observed in control group, indicating that the in vivo effect of this glucose analogue is fully reversible.
2
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Triiodothyronine effect on some parameters of carbohydrate metabolism in rats blood and liver. I. In vivo effect of triiodothyronine on liver glycogen content, blood metabolites and serum glycogenolytic activity

84%
Torlinska T., Grzymislawski M., Paluszak J., Sosnowski P., Torlinski L., Kozlik J.
Acta Physiologica Polonica
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1987
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tom 38
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nr 4
3
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Dose-dependent in vivo effect of Rhodiola and Echinacea on the mitogen-induced lymphocyte proliferation in mice

84%
Skopińska-Rozewska E., Sokolnicka I., Siwicki A. K., Stankiewicz W., Dabrowski M. P., Buchwald W., Krajewska-Patan A., Mielcarek S., Mscisz A., Furmanowa M.
Polish Journal of Veterinary Sciences
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2011
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tom 14
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nr 2
Echinacea purpurea (EP) and Echinacea angustifolia (EA) are ones of the most important world’s herbs with immunotropic activity. They were traditional medicinal plants used by North American Indians for the treatment of various illnesses. Now they are cultivated in many countries and are used mainly to treat respiratory tract infections. Rhodiola rosea (RR) and Rhodiola quadrifida (RQ) are medicinal plants originated from Asia and used traditionally as adaptogens, antidepressants, and anti-inflammatory remedies. We previously reported, that extracts of underground parts of RR and RQ exhibited immunotropic activity. We have demonstrated in pigs that in vitro RR or RQ supplementation of blood lymphocyte cultures stimulated T cell proliferative response to Con A in lower, and inhibited it in higher Rhodiola extract concentrations. The aim of this work was to evaluate the in vivo effect of these herbal remedies on the in vitro proliferative response of mouse splenic lymphocytes to another T-cell mitogen- Phaseolus vulgaris haemagglutinin (PHA). We have found significant stimulation of proliferative response, in comparison to the controls, in mice fed lower doses of tested remedies, and inhibition, no effect or lower stimulation, in mice fed higher doses of these drugs.
4

In vivo effect of 2-deoxy-D-glucose on glucose-6-phosphate dehydrogenase activity in the cytosol of liver, heart and skeletal muscle of rats

84%
Torlinska T., Ozegowski S., Paluszak J., Hryniewiecki T.
Acta Physiologica Polonica
|
1990
|
tom 41
|
nr 7
Torlińska T., Ożegowski S., Paluszak J., and Hryniewiecki T.: In vivo effect of 2-deoxy-D-glucose on glucose-6-phosphate dehydrogenase activity in the cytosol of liver, heart and skeletal muscle of rats. Acta Physiol. Pol. 1990, 41 (6): 137-143. 2-deoxy-D-glucose (2-DG), the unmetabolizable analogue of glucose induces a series of metabolic, hormonal and behavioral responses, causing cellular glucoprivation. According to in vitro studies, 2-DG inhibits phosphofructokinase in cultured human cells. The present investigations deal with changes in the cytosolic glucocse-6-phosphate dehydrogenase activity following in vivo 2-DG administration. A single dose of 2-DG (600 mg/kg) has no influence on the activity of glucose-6-phosphate dehydrogenase in the cytosol of liver, heart and skeletal muscle of the rat. The concommitant increase in serum glucose, lactate and FFA concentrations observed in the study indicates indirectly a stimulation of adrenergic system. After three days of successive administration of 2-DG to rats, dehydrogenase activity decreased in the liver by approx 57% and in the skeletal muscle by approx 82% in comparison with control animals. Moreover the in vivo effect of 2-DG was found to be fully reversible, probably when the total amount of the inhibitor was excreted.
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