Morphological and Physical Analysis of Natural Phospholipids-Based Biomembranes
Identifieur interne : 001E20 ( Ncbi/Checkpoint ); précédent : 001E19; suivant : 001E21Morphological and Physical Analysis of Natural Phospholipids-Based Biomembranes
Auteurs : Adrien Jacquot [France] ; Grégory Francius [France] ; Angelina Razafitianamaharavo [France] ; Fariba Dehghani [Australie] ; Ali Tamayol [États-Unis] ; Michel Linder [France] ; Elmira Arab-Tehrany [France]Source :
- PLoS ONE [ 1932-6203 ] ; 2014.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Brassica rapa, Phospholipides, Saumon.
- physiologie : Phospholipides.
- Animaux, Fluidité membranaire, Liposomes, Membrane artificielle, Microscopie à force atomique, Phospholipides.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Liposomes, Phospholipids.
- metabolism : Brassica rapa, Phospholipids, Salmon.
- chemical , physiology : Phospholipids.
- Animals, Membrane Fluidity, Membranes, Artificial, Microscopy, Atomic Force.
Abstract
Liposomes are currently an important part of biological, pharmaceutical, medical and nutritional research, as they are considered to be among the most effective carriers for the introduction of various types of bioactive agents into target cells.
In this work, we study the lipid organization and mechanical properties of biomembranes made of marine and plant phospholipids. Membranes based on phospholipids extracted from rapeseed and salmon are studied in the form of liposome and as supported lipid bilayer. Dioleylphosphatidylcholine (DOPC) and dipalmitoylphosphatidylcholine (DPPC) are used as references to determine the lipid organization of marine and plant phospholipid based membranes. Atomic force microscopy (AFM) imaging and force spectroscopy measurements are performed to investigate the membranes' topography at the micrometer scale and to determine their mechanical properties.
The mechanical properties of the membranes are correlated to the fatty acid composition, the morphology, the electrophoretic mobility and the membrane fluidity. Thus, soft and homogeneous mechanical properties are evidenced for salmon phospholipids membrane containing various polyunsaturated fatty acids. Besides, phase segregation in rapeseed membrane and more important mechanical properties were emphasized for this type of membranes by contrast to the marine phospholipids based membranes.
This paper provides new information on the nanomechanical and morphological properties of membrane in form of liposome by AFM. The originality of this work is to characterize the physico-chemical properties of the nanoliposome from the natural sources containing various fatty acids and polar head.
Url:
DOI: 10.1371/journal.pone.0107435
PubMed: 25238543
PubMed Central: 4169657
Affiliations:
- Australie, France, États-Unis
- Aquitaine, Grand Est, Lorraine (région), Massachusetts, Nouvelle-Aquitaine, Nouvelle-Galles du Sud
- Metz, Nancy, Sydney, Vandoeuvre-lès-Nancy, Vandœuvre-lès-Nancy
- Université de Lorraine, Université de Sydney
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PMC:4169657Le document en format XML
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<term>Brassica rapa (metabolism)</term>
<term>Liposomes (chemistry)</term>
<term>Membrane Fluidity</term>
<term>Membranes, Artificial</term>
<term>Microscopy, Atomic Force</term>
<term>Phospholipids (chemistry)</term>
<term>Phospholipids (metabolism)</term>
<term>Phospholipids (physiology)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term>
<term>Brassica rapa (métabolisme)</term>
<term>Fluidité membranaire</term>
<term>Liposomes ()</term>
<term>Membrane artificielle</term>
<term>Microscopie à force atomique</term>
<term>Phospholipides ()</term>
<term>Phospholipides (métabolisme)</term>
<term>Phospholipides (physiologie)</term>
<term>Saumon (métabolisme)</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Liposomes</term>
<term>Phospholipids</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Brassica rapa</term>
<term>Phospholipids</term>
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<term>Phospholipides</term>
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<front><div type="abstract" xml:lang="en"><sec><title>Background</title>
<p>Liposomes are currently an important part of biological, pharmaceutical, medical and nutritional research, as they are considered to be among the most effective carriers for the introduction of various types of bioactive agents into target cells.</p>
</sec>
<sec><title>Scope of Review</title>
<p>In this work, we study the lipid organization and mechanical properties of biomembranes made of marine and plant phospholipids. Membranes based on phospholipids extracted from rapeseed and salmon are studied in the form of liposome and as supported lipid bilayer. Dioleylphosphatidylcholine (DOPC) and dipalmitoylphosphatidylcholine (DPPC) are used as references to determine the lipid organization of marine and plant phospholipid based membranes. Atomic force microscopy (AFM) imaging and force spectroscopy measurements are performed to investigate the membranes' topography at the micrometer scale and to determine their mechanical properties.</p>
</sec>
<sec><title>Major Conclusions</title>
<p>The mechanical properties of the membranes are correlated to the fatty acid composition, the morphology, the electrophoretic mobility and the membrane fluidity. Thus, soft and homogeneous mechanical properties are evidenced for salmon phospholipids membrane containing various polyunsaturated fatty acids. Besides, phase segregation in rapeseed membrane and more important mechanical properties were emphasized for this type of membranes by contrast to the marine phospholipids based membranes.</p>
</sec>
<sec><title>General Significance</title>
<p>This paper provides new information on the nanomechanical and morphological properties of membrane in form of liposome by AFM. The originality of this work is to characterize the physico-chemical properties of the nanoliposome from the natural sources containing various fatty acids and polar head.</p>
</sec>
</div>
</front>
<back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Tehrany, Ea" uniqKey="Tehrany E">EA Tehrany</name>
</author>
<author><name sortKey="Kahn, Cjf" uniqKey="Kahn C">CJF Kahn</name>
</author>
<author><name sortKey="Baravian, C" uniqKey="Baravian C">C Baravian</name>
</author>
<author><name sortKey="Maherani, B" uniqKey="Maherani B">B Maherani</name>
</author>
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</TEI>
<affiliations><list><country><li>Australie</li>
<li>France</li>
<li>États-Unis</li>
</country>
<region><li>Aquitaine</li>
<li>Grand Est</li>
<li>Lorraine (région)</li>
<li>Massachusetts</li>
<li>Nouvelle-Aquitaine</li>
<li>Nouvelle-Galles du Sud</li>
</region>
<settlement><li>Metz</li>
<li>Nancy</li>
<li>Sydney</li>
<li>Vandoeuvre-lès-Nancy</li>
<li>Vandœuvre-lès-Nancy</li>
</settlement>
<orgName><li>Université de Lorraine</li>
<li>Université de Sydney</li>
</orgName>
</list>
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<name sortKey="Arab Tehrany, Elmira" sort="Arab Tehrany, Elmira" uniqKey="Arab Tehrany E" first="Elmira" last="Arab-Tehrany">Elmira Arab-Tehrany</name>
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<name sortKey="Francius, Gregory" sort="Francius, Gregory" uniqKey="Francius G" first="Grégory" last="Francius">Grégory Francius</name>
<name sortKey="Linder, Michel" sort="Linder, Michel" uniqKey="Linder M" first="Michel" last="Linder">Michel Linder</name>
<name sortKey="Razafitianamaharavo, Angelina" sort="Razafitianamaharavo, Angelina" uniqKey="Razafitianamaharavo A" first="Angelina" last="Razafitianamaharavo">Angelina Razafitianamaharavo</name>
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</country>
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</country>
<country name="États-Unis"><region name="Massachusetts"><name sortKey="Tamayol, Ali" sort="Tamayol, Ali" uniqKey="Tamayol A" first="Ali" last="Tamayol">Ali Tamayol</name>
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</tree>
</affiliations>
</record>
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