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1.
Antioxidants (Basel) ; 11(5)2022 Apr 29.
Artigo em Inglês | MEDLINE | ID: mdl-35624749

RESUMO

The focus on managing Alzheimer's disease (AD) is shifting towards prevention through lifestyle modification instead of treatments since the currently available treatment options are only capable of providing symptomatic relief marginally and result in various side effects. Numerous studies have reported that the intake of fermented foods resulted in the successful management of AD. Food fermentation is a biochemical process where the microorganisms metabolize the constituents of raw food materials, giving vastly different organoleptic properties and additional nutritional value, and improved biosafety effects in the final products. The consumption of fermented foods is associated with a wide array of nutraceutical benefits, including anti-oxidative, anti-inflammatory, neuroprotective, anti-apoptotic, anti-cancer, anti-fungal, anti-bacterial, immunomodulatory, and hypocholesterolemic properties. Due to their promising health benefits, fermented food products have a great prospect for commercialization in the food industry. This paper reviews the memory and cognitive enhancement and neuroprotective potential of fermented food products on AD, the recently commercialized fermented food products in the health and food industries, and their limitations. The literature reviewed here demonstrates a growing demand for fermented food products as alternative therapeutic options for the prevention and management of AD.

2.
Foods ; 10(6)2021 May 27.
Artigo em Inglês | MEDLINE | ID: mdl-34071977

RESUMO

Kefir is a fermented beverage with renowned probiotics that coexist in symbiotic association with other microorganisms in kefir grains. This beverage consumption is associated with a wide array of nutraceutical benefits, including anti-inflammatory, anti-oxidative, anti-cancer, anti-microbial, anti-diabetic, anti-hypertensive, and anti-hypercholesterolemic effects. Moreover, kefir can be adapted into different substrates which allow the production of new functional beverages to provide product diversification. Being safe and inexpensive, there is an immense global interest in kefir's nutritional potential. Due to their promising benefits, kefir and kefir-like products have a great prospect for commercialization. This manuscript reviews the therapeutic aspects of kefir to date, and potential applications of kefir products in the health and food industries, along with the limitations. The literature reviewed here demonstrates that there is a growing demand for kefir as a functional food owing to a number of health-promoting properties.

3.
Oncotarget ; 8(23): 37278-37290, 2017 Jun 06.
Artigo em Inglês | MEDLINE | ID: mdl-28418839

RESUMO

Extracellular ATP-induced Ca2+ signalling is critical in regulating diverse physiological and disease processes. Emerging evidence suggests high concentrations of extracellular ATP in tumour tissues. In this study, we examined the P2 receptor for ATP-induced Ca2+ signalling in human hepatocellular carcinoma (HCC) cells. Fura-2-based measurements of the intracellular Ca2+ concentration ([Ca2+]i) showed that extracellular ATP induced an increase in the [Ca2+]i in human HCC Huh-7 and HepG2 cells. NF546, a P2Y11 receptor agonist was equally effective in inducing an increase in the [Ca2+]i. In contrast, agonists for the P2X receptors (αßmeATP and BzATP), P2Y1 receptor (MRS2365) or P2Y2 receptor (MRS2768) were ineffective. In addition, ATP/NF546-induced increases in the [Ca2+]i were strongly inhibited by treatment with NF340, a P2Y11 receptor antagonist. Immunofluorescent confocal imaging and western blotting analysis consistently demonstrated the P2Y11 receptor expression in Huh-7 and HepG2 cells. Transfection with P2Y11-specific siRNA attenuated the P2Y11 receptor protein expression level and also reduced NF546-induced increase in the [Ca2+]i. Importantly, immunohistochemistry revealed that the P2Y11 receptor was expressed at very high level in human HCC tissues and, by contrast, it was barely detected in normal liver tissues. Trans-well cell migration assay demonstrated that ATP and NF546 induced concentration-dependent stimulation of Huh-7 cell migration. Treatment with NF340 prevented ATP-induced stimulation of cell migration. Taken together, our results show carcinoma-specific expression of the P2Y11 receptor and its critical role in mediating ATP-inducing Ca2+ signalling and regulating cell migration in human HCC cells.


Assuntos
Carcinoma Hepatocelular/metabolismo , Neoplasias Hepáticas/metabolismo , Fígado/metabolismo , Receptores Purinérgicos P2/genética , Trifosfato de Adenosina/metabolismo , Sinalização do Cálcio , Carcinoma Hepatocelular/patologia , Movimento Celular , Difosfonatos/farmacologia , Regulação Neoplásica da Expressão Gênica , Células Hep G2 , Humanos , Fígado/patologia , Neoplasias Hepáticas/patologia , Naftalenossulfonatos/farmacologia , Purinérgicos , Receptores Purinérgicos P2/metabolismo , Regulação para Cima
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