2018
DOI: 10.1002/biof.1408
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Isatin, an endogenous nonpeptide biofactor: A review of its molecular targets, mechanisms of actions, and their biomedical implications

Abstract: Isatin (indole-2,3-dione) is an oxidized indole. It is widely distributed in mammalian tissues and body fluids, where isatin concentrations vary significantly from <0.1 to > 10 µM. Isatin output is increased under conditions of stress. Exogenously administered isatin is characterized by low toxicity, mutagenicity, and genotoxicity in vivo. Cytotoxic effects of isatin on various cell cultures are usually observed at concentrations exceeding 100 µM. Binding of [ H]isatin to rat brain sections is consistent with … Show more

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Cited by 98 publications
(97 citation statements)
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“…All the compounds were found to act as competitive inhibitors: they decreased the affinity of the enzyme for its substrate ( K M increases), whereas V max was not significantly affected, as shown in the examples of Figure . The Lineweaver–Burk plots in Figure A show the results obtained for the subseries 4 m – o , taken as an example, along with isatin, a well‐known competitive MAO inhibitor and a physiological endogenous bio‐factor widely distributed in mammalian tissues . Compound 3 a , a lead for the subseries 4 a – c , was also assayed under the same experimental conditions.…”
Section: Resultsmentioning
confidence: 99%
“…All the compounds were found to act as competitive inhibitors: they decreased the affinity of the enzyme for its substrate ( K M increases), whereas V max was not significantly affected, as shown in the examples of Figure . The Lineweaver–Burk plots in Figure A show the results obtained for the subseries 4 m – o , taken as an example, along with isatin, a well‐known competitive MAO inhibitor and a physiological endogenous bio‐factor widely distributed in mammalian tissues . Compound 3 a , a lead for the subseries 4 a – c , was also assayed under the same experimental conditions.…”
Section: Resultsmentioning
confidence: 99%
“…обСУЖДение Изатин (индолдион-2,3) -эндогенный индол, содержащийся в мозге, периферических тканях и биологических жидкостях млекопитающих [1][2][3][4]. Интерес исследователей к изатину связан с потенциальным фармакологическим эффектом как самого изатина, так и его многочисленных аналогов [12][13][14][15].…”
Section: материалы и методыunclassified
“…На сегодняшний день известно всего несколько белков-мишеней изатина, активность которых изменяется (снижается) в присутствии физиологических концентраций этого индола [1]. Для подавляющего большинства идентифицированных изатин-связывающих белков (особенно ферментов) функциональное значение взаимодействия с изатином остается неясным.…”
Section: материалы и методыunclassified
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