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1.
Crit Rev Food Sci Nutr ; 63(4): 457-485, 2023.
Article in English | MEDLINE | ID: mdl-34254862

ABSTRACT

Saccharomyces cerevisiae var. boulardii (S. boulardii) has been isolated from lychee (Litchi chinensis), mangosteen fruit, kombucha, and dairy products like kefir. Dairy products containing S. boulardii have been revealed to possess potential probiotic activities owing to their ability to produce organic acids, essential enzymes, vitamins, and other important metabolites such as vanillic acid, phenyl ethyl alcohol, and erythromycin. S. boulardii has a wide spectrum of anti-carcinogenic, antibacterial antiviral, and antioxidant activity, and is known to reduce serum cholesterol levels. However, this yeast has mainly been prescribed for prophylaxis treatment of gastrointestinal infectious diseases, and stimulating the immune system in a number of commercially available products. The present comprehensive review article reviews the properties of S. boulardii related to their use in fermented dairy foods as a probiotic microorganism or starter culture. Technical aspects regarding the integration of this yeast into the dairy foods matrix its health advantages, therapeutic functions, microencapsulation, and viability in harsh conditions, and safety aspects are highlighted.


Subject(s)
Probiotics , Saccharomyces boulardii , Saccharomyces cerevisiae/metabolism , Saccharomyces boulardii/metabolism , Probiotics/metabolism , Antioxidants/metabolism , Dairy Products
2.
Microvasc Res ; 118: 49-56, 2018 07.
Article in English | MEDLINE | ID: mdl-29476756

ABSTRACT

OBJECTIVES: Bilirubin, a by-product of heme degradation, is suggested to have a role for vascular protection. There is increasing evidence that bilirubin may directly affect the function and secretory activity of endothelial cells. In this study, potential effect of hyperbilirubinemia on biological features of circulation endothelial progenitor cells (cEPCs) isolated from infants was investigated. METHODS: Circulation concentration, differentiation and migratory activity of cEPCs isolated from infants with (n = 111) or without (n = 73) hyperbilirubinemia were analyzed. Then, the potential beneficial effect of conditioned medium of cEPCs from infants with or without hyperbilirubinemia was examined on experimental mouse wounds. RESULTS: Our results revealed significantly higher percentages of cEPCs in infants with hyperbilirubinemia. Cell proliferation, and migratory properties of cEPCs isolated and expanded from infants with hyperbilirubinemia were significantly improved. Also, the conditioned medium of cEPCs from hyperbilirubinemic infants possessed a superior beneficial effect on wound healing, which was associated with increased protein levels of VEGF, IL-10, and Pho-ERK/ERK, and decreased TNF-α in the wound tissues. CONCLUSIONS: Our results showed that hyperbilirubinemia can activate migration, proliferating and angiogenic properties of cEPCs. Hyperbilirubinemia can promote the proangiogenic secretory activity of cEPCs, thereby resulting in enhancement of their regenerative wound healing properties.


Subject(s)
Angiogenic Proteins/metabolism , Bilirubin/blood , Endothelial Progenitor Cells/metabolism , Hyperbilirubinemia, Neonatal/blood , Neovascularization, Physiologic , Animals , Case-Control Studies , Cell Movement , Cell Proliferation , Cells, Cultured , Culture Media, Conditioned/metabolism , Endothelial Progenitor Cells/pathology , Extracellular Signal-Regulated MAP Kinases/metabolism , Humans , Hyperbilirubinemia, Neonatal/pathology , Hyperbilirubinemia, Neonatal/physiopathology , Infant, Newborn , Interleukin-10/metabolism , Male , Mice, Inbred C57BL , Phosphorylation , Signal Transduction , Tumor Necrosis Factor-alpha/metabolism , Vascular Endothelial Growth Factor A/metabolism , Wound Healing , Wounds, Penetrating/metabolism , Wounds, Penetrating/pathology , Wounds, Penetrating/physiopathology
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