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Tribological Analysis of UHMWPE Tibial Implants in Unicompartmental Knee Replacements: From Retrieved to In Vitro Studies
Sava MM, et al.
BioTechnology: An Indian Journal, 13, 1-15 (2018)
Tatsuya Fujii et al.
Analytica chimica acta, 1119, 35-40 (2020-05-23)
Exosomes are expected to be biomarkers of cancer since they contain information about the cells that excrete them. In this study we developed a method to count the exosomes secreted from cancer cells in a culture medium without the need
Madi El-Haj et al.
Immunologic research, 67(4-5), 337-347 (2019-11-23)
The considerable variability of responses amongst subjects to disease triggers and immunotherapies is a major obstacle to designing better immune-based therapies. Therefore, development of patient-tailored precision medicine that improves the efficacy of immunomodulatory drugs is necessary. The individualized response to
Honey Priya James et al.
Colloids and surfaces. B, Biointerfaces, 188, 110782-110782 (2020-01-17)
Chitosan is a polysaccharide that has shown promise in liposomal drug delivery because of certain desirable properties such as muco-adhesivity, biodegradability and low toxicity. In this study, chitosan-bearing 1-stearoyl-2-oleoyl-sn-glycero-3-phosphocholine giant unilamellar vesicles were prepared using inverse phase precursor method to
Pin Zhang et al.
Colloids and surfaces. B, Biointerfaces, 193, 111100-111100 (2020-05-15)
Understanding the interaction of ions with fatty acids is important to identify their roles in various bioprocesses and to build novel biomimetic systems. In this study, the molecular organization of palmitic acid (PA) films on alkaline buffer solutions (pH 7.4)
Nareh Movsesian et al.
Langmuir : the ACS journal of surfaces and colloids, 34(30), 9025-9035 (2018-07-03)
In this study, we prepare giant lipid vesicles using vapor-deposited charged microporous poly(methacrylic acid- co-ethylene glycol diacrylate) polymer membranes with different morphologies and thicknesses. Our results suggest that vesicle formation is favored by thinner, more structured porous hydrogel substrates. Electrostatic
Saeed Nazemidashtarjandi et al.
Langmuir : the ACS journal of surfaces and colloids, 36(18), 4923-4932 (2020-04-22)
Understanding the mechanisms by which engineered nanomaterials disrupt the cell plasma membrane is crucial in advancing the industrial and biomedical applications of nanotechnology. While the role of nanoparticle properties in inducing membrane damage has received significant attention, the role of
Javier Espadas et al.
Nature communications, 10(1), 5327-5327 (2019-11-24)
The endoplasmic reticulum (ER) is a continuous cell-wide membrane network. Network formation has been associated with proteins producing membrane curvature and fusion, such as reticulons and atlastin. Regulated network fragmentation, occurring in different physiological contexts, is less understood. Here we
Dynamic morphologies of microscale droplet interface bilayers
Mruetusatorn P, et al.
Soft Matter, 10(15), 2530-2538 (2014)
Hamed Hamedinasab et al.
International journal of biological macromolecules (2019-11-27)
The purpose of the present investigation was to formulate NAC (N-acetylcysteine)-loaded chitosan (CH)-coated liposome aiming at obtaining an effective formulation able to ensure a prolonged and controlled release of NAC to the lung by inhalation. Empty liposomes [(DPPG/Chol/DPPG with different
Kirian Talló et al.
Journal of materials chemistry. B, 8(1), 161-167 (2019-11-30)
A hydrogel formed with phospholipids and fatty acids would be of great interest in the medical field due to the biological relevance that these molecules have in living organisms. However, the tendency of phospholipid mixtures to form vesicular or micellar
Yasuhiro Kakimoto et al.
Langmuir : the ACS journal of surfaces and colloids, 34(24), 7201-7209 (2018-05-24)
Lipid molecules such as glycolipids that are modified with hydrophilic biopolymers participate in the biochemical reactions occurring on cell membranes. Their functions and efficiency are determined by the formation of microdomains and their physical properties. We investigated the morphology and
C M Field et al.
Methods in cell biology, 137, 395-435 (2017-01-10)
We report optimized methods for preparing actin-intact Xenopus egg extract. This extract is minimally perturbed, undiluted egg cytoplasm where the cell cycle can be experimentally controlled. It contains abundant organelles and glycogen and supports active metabolism and cytoskeletal dynamics that closely
Kazunori Takano et al.
The EMBO journal, 27(21), 2817-2828 (2008-10-17)
Extended Fer-CIP4 homology (EFC)/FCH-BAR (F-BAR) domains generate and bind to tubular membrane structures of defined diameters that are involved in the formation and fission of endocytotic vesicles. Formin-binding protein 17 (FBP17) and Toca-1 contain EFC/F-BAR domains and bind to neural
Kenneth K Y Ho et al.
PloS one, 12(3), e0174689-e0174689 (2017-03-31)
Development of artificial cell models requires encapsulation of biomolecules within membrane-bound compartments. There have been limited studies of using mammalian cell-free expression (CFE) system as the 'cytosol' of artificial cells. We exploit glass capillary droplet microfluidics for the encapsulation of
Stefano Di Leone et al.
The journal of physical chemistry. B, 124(22), 4454-4465 (2020-05-10)
Controllable attachment of proteins to material surfaces is very attractive for many applications including biosensors, bioengineered scaffolds or drug screening. Especially, redox proteins have received considerable attention as a model system not only to understand the mechanism of electron transfer
Xiaozheng Xu et al.
The Journal of cell biology, 219(6) (2020-05-22)
Blockade antibodies of the immunoinhibitory receptor PD-1 can stimulate the anti-tumor activity of T cells, but clinical benefit is limited to a fraction of patients. Evidence suggests that BTLA, a receptor structurally related to PD-1, may contribute to resistance to
Yo Yano et al.
Biophysical journal, 115(8), 1530-1540 (2018-10-03)
Sphingomyelin is an abundant lipid in some cellular membrane domains, such as lipid rafts. Hydrogen bonding and hydrophobic interactions of the lipid with surrounding components such as neighboring sphingomyelin and cholesterol (Cho) are widely considered to stabilize the raft-like liquid-ordered
Qian Peter Su et al.
Scientific reports, 6, 24002-24002 (2016-04-08)
Intracellular membrane nanotube formation and its dynamics play important roles for cargo transportation and organelle biogenesis. Regarding the regulation mechanisms, while much attention has been paid on the lipid composition and its associated protein molecules, effects of the vesicle size
Naomi Benne et al.
Journal of controlled release : official journal of the Controlled Release Society, 318, 246-255 (2019-12-10)
Regulatory T cells (Tregs) are vital for maintaining a balanced immune response and their dysfunction is often associated with auto-immune disorders. We have previously shown that antigen-loaded anionic liposomes composed of phosphatidylcholine (PC) and phosphatidylglycerol (PG) and cholesterol can induce
Qiuhong Yu et al.
Langmuir : the ACS journal of surfaces and colloids, 34(21), 6183-6193 (2018-05-08)
Protein-mediated endocytosis of membrane is a key event in biological system. The mechanism, however, is still not clear. Using a de novo designed bola-type peptide KKKLLLLLLLLKKK (K3L8K3) as a protein mimic, we studied how it induced giant unilamellar vesicle (GUV)
Bao Zhu et al.
Chemosphere, 247, 125876-125876 (2020-01-25)
Aluminium oxide nanoparticles (Al2O3 NPs) potentially cause health hazards after their release into the environment. The crystalline phase of Al2O3 NPs determines their surface structure and the number of functional groups. The adsorption of natural organic matter (NOM) or biomolecules
Douglas S Watson et al.
Vaccine, 27(34), 4672-4683 (2009-06-13)
The membrane proximal region (MPR) of HIV-1 gp41 is a desirable target for development of a vaccine that elicits neutralizing antibodies since the patient-derived monoclonal antibodies, 2F5 and 4E10, bind to the MPR and neutralize primary HIV isolates. The 2F5
Three dimensional (temperature-tension-composition) phase map of mixed DOPC-DPPC vesicles: Two solid phases and a fluid phase coexist on three intersecting planes
Chen D, et al.
Biochimica et Biophysica Acta - Biomembranes, 1838(11), 2788-2797 (2014)
Mitchell DiPasquale et al.
Biochimica et biophysica acta. Biomembranes, 1862(8), 183189-183189 (2020-01-19)
The antioxidant vitamin E is a commonly used vitamin supplement. Although the multi-billion dollar vitamin and nutritional supplement industry encourages the use of vitamin E, there is very little evidence supporting its actual health benefits. Moreover, vitamin E is now
Kwahun Lee et al.
Langmuir : the ACS journal of surfaces and colloids, 34(41), 12387-12393 (2018-09-22)
Amphiphilic nanoparticles are known to cause defects in lipid bilayers. However, we have shown recently that their disruptive effects are significantly enhanced when surface charges and hydrophobic groups are spatially segregated on opposite hemispheres of a single particle. Using the
Pengbo Guo et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 151, 189-198 (2020-04-27)
Methicillin-resistant Staphylococcus aureus (MRSA) is the most prevalent pathogen causing osteomyelitis. The tendency of MRSA to evade standard antibiotic treatment by hiding inside bone cells and biofilms is a major cause of frequent osteomyelitis recurrence. In this study, we developed
Huan Bao et al.
Nature structural & molecular biology, 23(1), 67-73 (2015-12-15)
During exocytosis, fusion pores form the first aqueous connection that allows escape of neurotransmitters and hormones from secretory vesicles. Although it is well established that SNARE proteins catalyze fusion, the structure and composition of fusion pores remain unknown. Here, we
Hongmei Bi et al.
Langmuir : the ACS journal of surfaces and colloids, 34(32), 9561-9571 (2018-07-22)
The nanoscale organization and dynamics of lipid molecules in self-assembled membranes is central to the biological function of cells and in the technological development of synthetic lipid structures as well as in devices such as biosensors. Here, we explore the
Koen Temmerman et al.
Journal of lipid research, 50(6), 1245-1254 (2009-01-16)
A diverse set of experimental systems has been developed to probe protein-lipid interactions. These include measurements with the headgroups of membrane lipids in solution, immobilized membrane lipids, and analysis of protein binding to membrane lipids reconstituted in liposomes. Each of
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