Lysozyme binding onto cat-anionic vesicles

Bonincontro, A.; Spigone, Elisabetta; Peña, M. Ruiz; Letizia, Caterina; Mesa, Camillo La

doi:10.1016/j.jcis.2006.09.046

Cited by 23 publications

(20 citation statements)

References 47 publications

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“…Therefore, the vesicles produced from the oppositely charged surfactant systems can be used as appropriate models for in vitro mimicking the behavior of biological membranes and those processes occurring within them (Grinberg et al. 2005; Bonincontro et al. 2006; Antonelli et al.…”

Section: Introductionmentioning

confidence: 99%

“…The mixed surfactant vesicles have been shown, in general, to form spontaneously and to remain stable for long periods of time, which strongly suggests that they are thermodynamically stable systems. Therefore, the vesicles produced from the oppositely charged surfactant systems can be used as appropriate models for in vitro mimicking the behavior of biological membranes and those processes occurring within them (Grinberg et al 2005;Bonincontro et al 2006;Antonelli et al 2007;Letizia et al 2007).…”

Section: Introductionmentioning

confidence: 99%

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Antioxidant Activities of Vitamins E and C in a Novel Liposome System

Xie¹,

Ji²

2008

Journal of Food Biochemistry

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A new model liposome made of anionic and cationic surfactants and methyl linoleate was used to investigate the antioxidant activity of vitamins E and C. The spontaneous vesicle formation was demonstrated by transmission electron microscopy with a negative‐staining technique. The model liposome was kept in the dark at a temperature of 310K and the progress of the methyl linoleate oxidation was evaluated by measurement of conjugated dienes hydroperoxides and malondialdehydes. The results indicate that vitamins E and C could inhibit the lipid oxidation as a chain‐breaking antioxidant, respectively. Further, the combination of vitamins E and C causes an antioxidant synergistic effect in the model system. It is shown that the model liposome can be suitable for simulating biomembranes as a convenient and useful alternative model system. PRACTICAL APPLICATIONS Phospholipid vesicles, which are produced from the aqueous dispersion of single‐component phospholipids, when formed in vitro are usual models of biomembranes for investigation of the antioxidant activities in biological systems. However, such lipid vesicles are not the equilibrium aggregation state and can be considered as metastable structures of high kinetic stability but thermodynamically nonstable. The present study shows that the lipid vesicles formed in an aqueous mixture of cetyltrimethylammonium bromide, sodium dodecyl sulfonate and methyl linoleate by using sonication could be used as appropriate models for in vitro mimicking the behavior of biological membranes and those oxidation processes occurring within them. This model liposome is a stable and convenient alternative model system. Furthermore, the comparison of the antioxidant effects of vitamins E and C in this study may be helpful to understand the mechanism of antioxidant action in biological system.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Antioxidant Activities of Vitamins E and C in a Novel Liposome System

Xie¹,

Ji²

2008

Journal of Food Biochemistry

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“…A Malvern laser-velocimetry Doppler utility, of the HT ZS Nano series, determined the electrophoretic mobility by taking the average of several individual scans. The solutions were located in Ushaped cuvettes, equipped with gold electrodes [45,46]. The temperature is controlled to 25.00 ± 0.05°C by a Peltier heating facility.…”

Section: F-potentialmentioning

confidence: 99%

Interaction of bovine serum albumin with gemini surfactants

Tardioli

Bonincontro

Mesa

et al. 2010

Journal of Colloid and Interface Science

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“…If the hydrophobic interaction is large enough, the conformation of native protein may be unfolded, and a contact between chainlike polypeptide and polymer may be induced 15. However, little research has concerned the recovery of the structure and activity of proteins released from the polymers with hydrophobic groups, although we know that maintaining the structure and activity of proteins is a prerequisite to purify and delivery proteins and so forth using polymers 16, 17…”

Section: Introductionmentioning

confidence: 99%

Increasing heterogeneity in the organization of synaptic inputs of mature olfactory bulb neurons generated in newborn rats

Kelsch

Sim

Lois

2012

J of Comparative Neurology

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New neurons are added into the mammalian olfactory bulb throughout life, but it remains unknown whether the properties of new neurons generated in newborn animals differ from those added during adulthood. We compared the densities of glutamatergic synapses of granule cells (GCs) generated in newborn and adult rats over extended periods of time. We observed that, whereas adult-born GCs maintained stable cell-to-cell variability of synaptic densities soon after they integrated into the circuit, cell-to-cell variability of synaptic densities of neonatal-born GCs increased months after their integration. We also investigated whether the synaptic reorganization induced by sensory deprivation occurred differently in mature neonatal- and adult-born GCs. Sensory deprivation after new GCs had differentiated induced more pronounced changes in the synaptic densities of neonatal-born GCs than in adult-born GCs. These observations suggest that the synapses of mature neonatal-born GCs retain a higher degree of malleability in response to changes in neuronal activity than adult-born GCs.

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Lysozyme binding onto cat-anionic vesicles

Cited by 23 publications

References 47 publications

Antioxidant Activities of Vitamins E and C in a Novel Liposome System

Antioxidant Activities of Vitamins E and C in a Novel Liposome System

Interaction of bovine serum albumin with gemini surfactants

Increasing heterogeneity in the organization of synaptic inputs of mature olfactory bulb neurons generated in newborn rats

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