Glutathione and Sulfur Amino Acids in Human Health and Disease 2008
DOI: 10.1002/9780470475973.ch19
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Glutathione, Sulfur Amino Acids, and Cancer

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Cited by 2 publications
(2 citation statements)
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“…Tumor formation and metastasis classically includes DNA damage and mutagenesis, causing transformation of normal cells into preneoplastic cells (initiation), followed by selective clonal expansion (promotion), and a second mutagenic mechanism responsible for the ability of some malignant cells to acquire more aggressive characteristics (progression). Malignant tumors are invasive and may reach distant sites through the circulatory system [ 48 ]. The classical simplification of metastasis in local invasion, intravasation, survival in the blood and lymphatic system, extravasation, and colonization, has helped to understand and rationalize the complex set of factors and properties that must be acquired by a cancer cell in order for it to be considered malignant [ 49 ].…”
Section: Metastasesmentioning
confidence: 99%
“…Tumor formation and metastasis classically includes DNA damage and mutagenesis, causing transformation of normal cells into preneoplastic cells (initiation), followed by selective clonal expansion (promotion), and a second mutagenic mechanism responsible for the ability of some malignant cells to acquire more aggressive characteristics (progression). Malignant tumors are invasive and may reach distant sites through the circulatory system [ 48 ]. The classical simplification of metastasis in local invasion, intravasation, survival in the blood and lymphatic system, extravasation, and colonization, has helped to understand and rationalize the complex set of factors and properties that must be acquired by a cancer cell in order for it to be considered malignant [ 49 ].…”
Section: Metastasesmentioning
confidence: 99%
“…La alteración del estrés oxidativo como estrategia terapéutica se basa en dos aproximaciones, la primera es la generación de ROS a nivel intracelular y la segunda es ocasionar una deficiencia en los sistemas de defensa antioxidantes de la célula [49]. El glutatión, un tripéptido no proteico que constituye la principal defensa antioxidante no enzimática en la célula, se encuentra en concentraciones en el rango milimolar dentro de los tejidos [339,340], por tanto, la depleción de éste es un blanco terapéutico estudiado durante varios años por un número significativo de investigadores [341,342]. La Lbutionina sulfoximina (BSO) reduce los niveles de glutatión intracelular, ya que inhibe la enzima ligasa glutamato-cisteína, responsable del primer paso en la síntesis de éste [343].…”
Section: Figura 53-20 Resultados Del Ensayo Cometa En Células A549 Eunclassified