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Leathanach 1 ó 38 torthaí
Mechanism of porphyrin-induced sonodynamic effect: possible role of hyperthermia.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
The biological effects of ultrasound have been investigated vigorously for various applications including the thermal coagulation of tissues, the opening of tight junctions, and localized gene or drug introduction. The synergistic cell killing effect of ultrasound and porphyrin derivatives, the
Porphyrin metabolism. III. Urinary and erythrocyte porphyrin in children with acute rheumatic fever.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Potentiation of hyperthermia-induced haemolysis of human erythrocytes by photodynamic treatment. Evidence for the involvement of the anion transporter in this synergistic interaction.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Heat treatment of human erythrocytes led to increased passive cation permeability, followed by haemolysis. K+ leakage was linear up to a loss of about 80% in the temperature range 46-54 degrees C. Kinetic analysis of the results revealed an activation energy of 246 kJ/mol, implicating a transition
Demonstration of synergistic effects of hyperthermia and photodynamic therapy using the chick chorioallantoic membrane model.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
The chick chorioallantoic membrane (CAM) model was used to study vascular effects of photodynamic therapy (PDT) and hyperthermia (HPT) and the synergism of these modalities. The CAM is a convenient medium for monitoring the modifications of the vasculature. It is possible to view the CAM and to
Photodynamic effects and hyperthermia in vitro.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Cells from the established human line NHIK 3025 were labelled with hematoporphyrin derivative in vitro. Subsequently, the cells were treated with light and hyperthermia. The cells could be irradiated either before, during or after the incubation at a hyperthermic temperature. It was shown that
Magnetic Dextran Nanoparticles That Bear Hydrophilic Porphyrin Derivatives: Bimodal Agents for Potential Application in Photodynamic Therapy.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
This study reports the chemical synthesis of a class of dextran superparamagnetic nanoparticles that bear hydrophilic porphyrin units covalently grafted by a click chemistry reaction in aqueous solution. Magnetic nanoparticles are used in magnetic resonance imaging (MRI) and hyperthermia, and the
Synthesis and cellular uptake of porphyrin decorated iron oxide nanoparticles-a potential candidate for bimodal anticancer therapy.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
This paper reports the synthesis, characterization, and cellular uptake of the conjugate of porphyrin and iron oxide nanoparticles, which may lead to a bimodal anticancer agent that can be used in the combinational treatment of photodynamic therapy (PDT) and hyperthermia therapy (HT).
Novel, meso-substituted cationic porphyrin molecule for photo-mediated larval control of the dengue vector Aedes aegypti.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
BACKGROUND
Control of the mosquito vector population is the most effective strategy currently available for the prevention of dengue fever and the containment of outbreaks. Photo-activated oxidants may represent promising tools for developing effective, safe and ecofriendly novel larvicides. The
Porphyrin photosensitivity in cell lines expressing a heat-resistant phenotype.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
In vitro sensitivity to porphyrin-mediated photodynamic therapy (PDT) has been examined in cell lines resistant to hyperthermia. Parental (HA-1) and heat-resistant (3012) Chinese hamster fibroblasts as well as parental (RIF-1) and temperature-resistant (TR-4, TR-5, and TR-10) mouse radiation-induced
Use of Spectroscopic Techniques for Evaluating the Coupling of Porphyrins on Biocompatible Nanoparticles. A Potential System for Photodynamics, Theranostics, and Nanodrug Delivery Applications.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Modern medicine has been searching for new and more efficient strategies for diagnostics and therapeutics applications. Considering this, porphyrin molecules have received great interest for applications in photodiagnostics and phototherapies, even as magnetic nanoparticles for drug-delivery systems
Antiangiogenic action of redox-modulating Mn(III) meso-tetrakis(N-ethylpyridinium-2-yl)porphyrin, MnTE-2-PyP(5+), via suppression of oxidative stress in a mouse model of breast tumor.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
MnTE-2-PyP(5+) is a potent catalytic scavenger of reactive oxygen and nitrogen species, primarily superoxide and peroxynitrite. It therefore not only attenuates primary oxidative damage, but was found to modulate redox-based signaling pathways (HIF-1alpha, NF-kappaB, SP-1, and AP-1) and thus, in
Isolation and initial characterization of mouse tumor cells resistant to porphyrin-mediated photodynamic therapy.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Photodynamic therapy (PDT)-resistant variants of the RIF-1 mouse tumor cell line have been isolated following a protocol of repeated porphyrin incubation and light treatments. Two porphyrin incubation procedures, employing either an extended (16 h) or a short (1 h) incubation, were used in order to
Investigation of cross-resistance to a range of photosensitizers, hyperthermia and UV light in two radiation-induced fibrosarcoma cell strains resistant to photodynamic therapy in vitro.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Two distinct photodynamic therapy-resistant variants of the murine radiation-induced fibrosarcoma (RIF) cell line have been isolated. One strain displayed relative resistance over the parental RIF-1 strain to treatment with the porphyrin-based compound, polyhaematoporphyrin (PHP), whereas the other
A/C magnetic hyperthermia of melanoma mediated by iron(0)/iron oxide core/shell magnetic nanoparticles: a mouse study.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
BACKGROUND
There is renewed interest in magnetic hyperthermia as a treatment modality for cancer, especially when it is combined with other more traditional therapeutic approaches, such as the co-delivery of anticancer drugs or photodynamic therapy.
METHODS
The influence of bimagnetic nanoparticles
Inactivation of Dengue and Yellow Fever viruses by heme, cobalt-protoporphyrin IX and tin-protoporphyrin IX.
Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
OBJECTIVE
To investigate the effect of heme, cobalt-protoporphyrin IX and tin-protoporphyrin IX (CoPPIX and SnPPIX), macrocyclic structures composed by a tetrapyrrole ring with a central metallic ion, on Dengue Virus (DENV) and Yellow Fever Virus (YFV) infection.
RESULTS
Treatment of HepG2 cells
An bunachar luibheanna míochaine is iomláine le tacaíocht ón eolaíocht
- Oibreacha i 55 teanga
- Leigheasanna luibhe le tacaíocht ón eolaíocht
- Aitheantas luibheanna de réir íomhá
- Léarscáil GPS idirghníomhach - clibeáil luibheanna ar an láthair (ag teacht go luath)
- Léigh foilseacháin eolaíochta a bhaineann le do chuardach
- Cuardaigh luibheanna míochaine de réir a n-éifeachtaí
- Eagraigh do chuid spéiseanna agus fanacht suas chun dáta leis an taighde nuachta, trialacha cliniciúla agus paitinní
Clóscríobh symptom nó galar agus léigh faoi luibheanna a d’fhéadfadh cabhrú, luibh a chlóscríobh agus galair agus comharthaí a úsáidtear ina choinne a fheiceáil.
* Tá an fhaisnéis uile bunaithe ar thaighde eolaíoch foilsithe
