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Biological Activities, Health Benefits, and Therapeutic Properties of Avenanthramides: From Skin Protection to Prevention and Treatment of Cerebrovascular Diseases.

ABSTRACT: Oat (Avena sativa) is a cereal known since antiquity as a useful grain with abundant nutritional and health benefits. It contains distinct molecular components with high antioxidant activity, such as tocopherols, tocotrienols, and flavanoids. In addition, it is a unique source of avenanthramides, phenolic amides containing anthranilic acid and hydroxycinnamic acid moieties, and endowed with major beneficial health properties because of their antioxidant, anti-inflammatory, and antiproliferative effects. In this review, we report on the biological activities of avenanthramides and their derivatives, including analogs produced in recombinant yeast, with a major focus on the therapeutic potential of these secondary metabolites in the treatment of aging-related human diseases. Moreover, we also present recent advances pointing to avenanthramides as interesting therapeutic candidates for the treatment of cerebral cavernous malformation (CCM) disease, a major cerebrovascular disorder affecting up to 0.5% of the human population. Finally, we highlight the potential of foodomics and redox proteomics approaches in outlining distinctive molecular pathways and redox protein modifications associated with avenanthramide bioactivities in promoting human health and contrasting the onset and progression of various pathologies. The paper is dedicated to the memory of Adelia Frison.

SUBMITTER: Perrelli A

PROVIDER: S-EPMC6126071 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Biological Activities, Health Benefits, and Therapeutic Properties of Avenanthramides: From Skin Protection to Prevention and Treatment of Cerebrovascular Diseases.

Perrelli Andrea A Goitre Luca L Salzano Anna Maria AM Moglia Andrea A Scaloni Andrea A Retta Saverio Francesco SF

Oxidative medicine and cellular longevity 20180823

Oat (<i>Avena sativa</i>) is a cereal known since antiquity as a useful grain with abundant nutritional and health benefits. It contains distinct molecular components with high antioxidant activity, such as tocopherols, tocotrienols, and flavanoids. In addition, it is a unique source of avenanthramides, phenolic amides containing anthranilic acid and hydroxycinnamic acid moieties, and endowed with major beneficial health properties because of their antioxidant, anti-inflammatory, and antiprolife ...[more]

PMID: 30245775

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Project description:Background and Aims: Atherosclerosis, a major contributor to cardiovascular and cerebrovascular diseases, remains a leading cause of global mortality and morbidity. This study focuses on the role of chemokine-like receptor 1 (CMKLR1) in VSMCs and its potential impact on atherosclerotic plaque formation and remodelling. Methods: Cmklr1-/-Apoe-/- mice, generated using CRISPR/Cas9 technology, were fed a high-fat western diet for 16 weeks to model atherosclerosis. Primary VSMCs were isolated from Cmklr1-/- and Cmklr1+/+ mice for in vitro experiments. Cell viability, senescence-associated β-galactosidase staining, and RNA interference were performed to assess the effect of CMKLR1 deficiency on VSMCs. Various assays, including flow cytometry, immunocytochemistry, and RNA-seq analysis, were employed to investigate the molecular mechanisms and downstream signals associated with CMKLR1 deficiency. Results: CMKLR1 deficiency was found to disrupt the cell cycle, leading to VSMC senescence both in vitro and in vivo. Cmklr1-/-Apoe-/- mice exhibited increased atherosclerotic plaque burden, emphasizing the role of CMKLR1 in plaque stability. Transcriptome analysis revealed significant changes in cellular components and biological processes, with a particular impact on the extracellular matrix and cellular response to stimulus. The TGFβ signalling pathway emerged as a potential downstream target of CMKLR1, affecting VSMC differentiation, vessel development, and extracellular matrix synthesis. The deficiency of CMKLR1 led to a reduction in TGFβ1 expression and downstream molecule SM22α, influencing plaque composition and stability. Conclusion: This study demonstrates that CMKLR1 deficiency promotes VSMC senescence and exacerbates atherosclerosis. The disrupted TGFβ signalling pathway, identified as a potential molecular mechanism, provides insights into the complex regulatory network associated with CMKLR1 in atherosclerotic plaque formation and remodelling. These findings highlight the importance of CMKLR1 in atherosclerosis and its potential as a therapeutic target for plaque stability.

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Biological Activities, Health Benefits, and Therapeutic Properties of Avenanthramides: From Skin Protection to Prevention and Treatment of Cerebrovascular Diseases.

Publications

Biological Activities, Health Benefits, and Therapeutic Properties of Avenanthramides: From Skin Protection to Prevention and Treatment of Cerebrovascular Diseases.

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