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Christian Bogner et al.
Molecular cell, 77(4), 901-912 (2020-02-01)
Current models of apoptosis regulation by the Bcl-2 family of proteins postulate that heterodimeric interactions between family members determine whether Bax and Bak are activated to trigger cell death. Thus, the relative abundance and binding affinities between pro- and anti-apoptotic
Integrative Medicine - E-Book (2017)
Austin J Rice et al.
The Journal of biological chemistry, 289(21), 15005-15013 (2014-04-12)
Embedded in the plasma membrane of all bacteria, ATP binding cassette (ABC) importers facilitate the uptake of several vital nutrients and cofactors. The ABC transporter, MolBC-A, imports molybdate by passing substrate from the binding protein MolA to a membrane-spanning translocation
Jingchuan Sun et al.
Proceedings of the National Academy of Sciences of the United States of America, 104(4), 1354-1359 (2007-01-18)
This study concerns the self-assembly of virus-like particles (VLPs) composed of an icosahedral virus protein coat encapsulating a functionalized spherical nanoparticle core. The recent development of efficient methods for VLP self-assembly has opened the way to structural studies. Using electron
Qiang Cheng et al.
Nature nanotechnology, 15(4), 313-320 (2020-04-07)
CRISPR-Cas gene editing and messenger RNA-based protein replacement therapy hold tremendous potential to effectively treat disease-causing mutations with diverse cellular origin. However, it is currently impossible to rationally design nanoparticles that selectively target specific tissues. Here, we report a strategy
Qualitative and quantitative characterization of protein-phosphoinositide interactions with liposome-based methods
Busse RA, et al.
Autophagy, 9(5), 770-777 (2013)
Sonia Hernández-Tiedra et al.
Autophagy, 12(11), 2213-2229 (2016-11-02)
Autophagy is considered primarily a cell survival process, although it can also lead to cell death. However, the factors that dictate the shift between these 2 opposite outcomes remain largely unknown. In this work, we used Δ9-tetrahydrocannabinol (THC, the main
Hana Petroková et al.
Pharmaceutics, 11(12) (2019-12-08)
Development of tools for direct thrombus imaging represents a key step for diagnosis and treatment of stroke. Nanoliposomal carriers of contrast agents and thrombolytics can be functionalized to target blood thrombi by small protein binders with selectivity for fibrin domains
Rebba C Boswell-Casteel et al.
The Journal of biological chemistry, 289(35), 24440-24451 (2014-07-19)
Equilibrative nucleoside transporters (ENTs) are polytopic integral membrane proteins that transport nucleosides and, to a lesser extent, nucleobases across cell membranes. ENTs modulate efficacy for a range of human therapeutics and function in a diffusion-controlled bidirectional manner. A detailed understanding
John M Harrington et al.
The Journal of biological chemistry, 289(36), 24811-24820 (2014-07-20)
Haptoglobin-related protein (Hpr) is a component of a minor subspecies of high density lipoproteins (HDL) that function in innate immunity. Here we show that assembly of Hpr into HDL is mediated by its retained N-terminal signal peptide, an unusual feature
John M Harrington et al.
The Journal of biological chemistry, 284(20), 13505-13512 (2009-03-28)
Trypanosome lytic factor (TLF) is a subclass of human high density lipoprotein (HDL) that mediates an innate immune killing of certain mammalian trypanosomes, most notably Trypanosoma brucei brucei, the causative agent of a wasting disease in cattle. Mechanistically, killing is
Efficacy of injections of phosphatidylcholine into fat deposits-a non-surgical alternative to liposuction in body-contouring
Karl GH, et al.
Indian journal of plastic surgery : official publication of the Association of Plastic Surgeons of India, 38(2), 119-119 (2005)
Christina M Bailey et al.
Langmuir : the ACS journal of surfaces and colloids, 33(43), 11986-11997 (2017-09-28)
Supported lipid bilayers (SLBs) have been used extensively in a variety of biotechnology applications and fundamental studies exploring lipid behavior. Despite their widespread use, various physicochemical parameters have yet to be thoroughly investigated for their impact on SLB formation. In
Daniel Calle et al.
Theranostics, 5(5), 489-503 (2015-03-15)
We describe the preparation, physico-chemical characterization and anti-inflammatory properties of liposomes containing the superparamagnetic nanoparticle Nanotex, the fluorescent dye Rhodamine-100 and omega-3 polyunsaturated fatty acid ethyl ester (ω-3 PUFA-EE), as theranostic anti-inflammatory agents. Liposomes were prepared after drying chloroform suspensions
J Zebialowicz Ahlström et al.
Respiratory research, 20(1), 245-245 (2019-11-07)
In acute respiratory distress syndrome (ARDS) damaged alveolar epithelium, leakage of plasma proteins into the alveolar space and inactivation of pulmonary surfactant lead to respiratory dysfunction. Lung function could potentially be restored with exogenous surfactant therapy, but clinical trials have
Ashutosh Tripathi et al.
The Journal of biological chemistry, 294(50), 19081-19098 (2019-11-07)
Phosphatidylinositol-transfer proteins (PITPs) are key regulators of lipid signaling in eukaryotic cells. These proteins both potentiate the activities of phosphatidylinositol (PtdIns) 4-OH kinases and help channel production of specific pools of phosphatidylinositol 4-phosphate (PtdIns(4)P) dedicated to specific biological outcomes. In
Xue-Tao Li et al.
Journal of liposome research, 1-13 (2020-04-01)
Tumour metastasis is a major cause of cancer treatment failure and death, and chemotherapy efficiency for gastric cancer patients is usually unsatisfactory due to tumour cell metastasis, poor targeting and serious adverse reactions. In this study, a kind of R8GD-modified
Kelly Cathcart et al.
Membranes, 5(4), 664-684 (2015-11-04)
Cellular membranes have a complex phospholipid composition that varies greatly depending on the organism, cell type and function. In spite of this complexity, most structural data available for phospholipid bilayers concern model systems containing only one or two different phospholipids.
Optimizing a ultrahigh pressure liquid chromatography-time of flight-mass spectrometry approach using a novel sub-2 mum core-shell particle for in depth lipidomic profiling of Caenorhabditis elegans
Witting M, et al.
Journal of Chromatography A, 1359, 91-99 (2014)
Johanna M Jansen et al.
PloS one, 12(4), e0174706-e0174706 (2017-04-07)
RAS mutations lead to a constitutively active oncogenic protein that signals through multiple effector pathways. In this chemical biology study, we describe a novel coupled biochemical assay that measures activation of the effector BRAF by prenylated KRASG12V in a lipid-dependent
Xiaoke Chi et al.
eLife, 9 (2020-01-25)
The Bcl-2 family BH3 protein Bim promotes apoptosis at mitochondria by activating the pore-forming proteins Bax and Bak and by inhibiting the anti-apoptotic proteins Bcl-XL, Bcl-2 and Mcl-1. Bim binds to these proteins via its BH3 domain and to the
Austin J Rice et al.
Channels (Austin, Tex.), 8(4), 327-333 (2014-05-24)
In order to shuttle substrates across the lipid bilayer, membrane proteins undergo a series of conformation changes that are influenced by protein structure, ligands, and the lipid environment. To test the effect of lipid on conformation change of the ABC
Lee Dolat et al.
The Journal of cell biology, 214(5), 517-527 (2016-08-24)
Macropinocytosis, the internalization of extracellular fluid and material by plasma membrane ruffles, is critical for antigen presentation, cell metabolism, and signaling. Macropinosomes mature through homotypic and heterotypic fusion with endosomes and ultimately merge with lysosomes. The molecular underpinnings of this
The Membranes of Cells (2016)
Ji-Yeon Lee et al.
Pharmaceutics, 12(1) (2019-12-28)
Metformin (MET) is an anti-diabetic drug effective against breast cancer, targeting breast cancer stem cells (BCSCs). MET-encapsulating liposome (LP-MET) and Herceptin-conjugated LP-MET (Her-LP-MET) were evaluated for their anti-cancer effect in vitro and in vivo. Size and zeta potentials of LP-MET
Roman Y Pishchalnikov et al.
Physical chemistry chemical physics : PCCP, 21(46), 25707-25719 (2019-11-14)
To prevent irreversible damage caused by an excess of incident light, the photosynthetic machinery of many cyanobacteria uniquely utilizes the water-soluble orange carotenoid protein (OCP) containing a single keto-carotenoid molecule. This molecule is non-covalently embedded into the two OCP domains
Romina Zanabria et al.
Journal of food biochemistry, 44(2), e13104-e13104 (2019-12-07)
In this work, the known antiproliferative activity of the untreated milk fat globule membrane (MFGM) against human colon cancer cells was employed to test the hypothesis that the supramolecular structure of the MFGM is of important biological significance. The results
Andrew A Bridges et al.
The Journal of cell biology, 213(1), 23-32 (2016-04-06)
Cells change shape in response to diverse environmental and developmental conditions, creating topologies with micron-scale features. Although individual proteins can sense nanometer-scale membrane curvature, it is unclear if a cell could also use nanometer-scale components to sense micron-scale contours, such
Francesca Saitta et al.
Colloids and surfaces. B, Biointerfaces, 186, 110715-110715 (2019-12-17)
A fifteen-components model membrane that reflected the 80 % of phospholipids present in Insulin Secretory Granules was obtained and thermodynamic exploitation was performed, through micro-DSC, in order to assess the synergic contributions to the stability of a mixed complex system
Takaharu Ichimura et al.
The Journal of clinical investigation, 118(5), 1657-1668 (2008-04-17)
Following injury, the clearance of apoptotic and necrotic cells is necessary for mitigation and resolution of inflammation and tissue repair. In addition to macrophages, which are traditionally assigned to this task, neighboring epithelial cells in the affected tissue are postulated
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