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Estudo bioquímico de doentes com perturbação do espectro do autismo

Estudo bioquímico de doentes com perturbação do espectro do autismo

Fadwa Khalid Tawfiq / Safaa Abdul Aziz Al-Ameen / Tareq Younis Ahmad

133,96 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Química
ISBN:
9786630076806
133,96 €
IVA incluido
Disponible

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Foram avançadas várias hipóteses sobre as causas da perturbação do espectro do autismo (PEA). Foram estudadas a deficiência de dipeptidil peptidase-4 e a formação de compostos opióides, o stress oxidativo e a exposição a agentes tóxicos ambientais. Foram estudados diversos parâmetros bioquímicos, tais como a melatonina (MEL), a neuroglobina (NGB), a atividade antioxidante (AOA), os produtos proteicos de oxidação avançada (AOPP), as substâncias reativas ao ácido tiobarbitúrico (TBARS), o óxido nítrico (NO) e a glutationa (GSH). Além disso, foram estimadas as atividades da dipeptidil peptidase-4 (DPP-4), glutationa-S-transferase (GST), acetilcolinesterase (AChE), mieloperoxidase (MPO), arilesterase e xantina oxidase (XO). Foram utilizadas várias técnicas neste estudo, tais como HPLC, SDS-PAGE e cromatografia de filtração em gel, precipitação de proteínas, diálise, determinação do peso molecular, estimativa da proteína total pelo método de Lowry modificado e estudo das condições ótimas da DPP-4 sérica. Os estudos futuros devem incluir o estudo dos fatores genéticos. As mutações da DPP-4, ASMT, MTHFR e COMT em crianças autistas devem ser estudadas, uma vez que a mutação nestas enzimas pode estar envolvida no TEA. Além disso, deve ser estudada a estimativa dos níveis séricos de testosterona, secretina e metalotioneína em doentes com TEA.

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