Biochemical and histochemical changes in aorta of chicks fed vegetable oils and cholesterol.
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Animals↗
Biomedical subjects
S K Ghosh
Publications and source records attributed to S K Ghosh.
Thin-layer chromatographic method for estimation of gamma-aminobutyric acid from brain.
The present method describes the estimation of gamma-aminobutyric acid (GABA) from adult rat brain by thin layer chromatography (TLC). The major advantage of this TLC method is the sensitivity and repidity of estimation. About 93 to 98 percent recovery is possible by this procedure and this shows linearity up to 9 micrograms. Replicate analysis of GABA by this method shows a co-efficient variation of 1.31%
Animals↗
Management of pseudomeningocoele following Torkildsen's operation. A case report.
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Cerebral Ventriculography↗
Clinical and radiological correlation of spinal compression syndrome.
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Adolescent↗
Monamine oxidation in different organs of rat.
Monoamine axodation has been studied in different organs of adult rats. Activity of monoamine dehydrogenase (MADH) has been measured both aerobically and anaerobically. Brain is the organ where maximum activity of MADH has been observed while in ovary the minimal enzyme activity has been noticed. In the absence of air, the activity proceeded at faster rate whereas MAO activity cannot take place in absence of oxygen. Oxygen can not be replaced by other electron acceptors like NTC. However, in some organs like pancreas, the formazan production was almost negligible. Aerobically moderate MADH activity was observed in case of ileum and testis. On the other hand, spleen, brain, testis and lung homogenates showed moderate amount of tetrazolium salts reduction in absence of air. This indicates the differential nature of the MADH activities in aerobic and anaerobic condition. High activity of monoamine oxidase (MAO) has been observed in liver. Brain and pancreas were also found good organs for MAO activity, but liver homogenate failed to reduce tetrazolium salt. Only dialysed liver homogenate in the presence of tryptamine, demonstrated moderate activity of MADH. Relative activity of both the enzymes has been studied. The organwise distribution pattern of MAO and MADH appeared quite different.
Aerobiosis↗
A dehydrogenase system to demonstrate oxidation of amphetamine and related compounds by rat brain homogenate.
Amphetamine, ephedrine, mescaline and chlorpromazine act as substrate for dehydrogenase system of rat brain homogenate. This system appears quite different from the usual deaminating process of these compounds, which required NADP and oxygen. The present system proceeds more rapidly in anaerobic condition.
Amphetamine↗
Sub-cellular distribution of monoamine oxidase and monoamine dehydrogenase.
MAO and MADH activities in different sub-cellular fractions of rat brain have been studied. The sub-cellular distribution pattern of MAO and MADH was found to be same, mostly concentrated in the mitochondrial fraction, although activities were also present in microsome and nucleus.
Animals↗