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Comparison of DOPA and DPPA liposome templates for the synthesis of calcium phosphate nanoshells
Yeo CH, et al.
Ceramics International, 38(1), 561-570 null
Karen M Henkels et al.
Oncotarget, 7(30), 47002-47017 (2016-06-04)
The intracellular concentration of the mitogen phosphatidic acid (PA) must be maintained at low levels until the need arises for cell proliferation. How temporal and spatial trafficking of PA affects its target proteins in the different cellular compartments is not
Shutao Guo et al.
Journal of controlled release : official journal of the Controlled Release Society, 174, 137-142 (2013-11-28)
The poor solubility of cisplatin (CDDP) often presents a major obstacle in the formulation of CDDP in nanoparticles (NPs) by traditional methods. We have developed a novel method for synthesizing CDDP NPs taking advantage of its poor solubility. By mixing
Yanjuan Huang et al.
Journal of controlled release : official journal of the Controlled Release Society, 319, 119-134 (2019-12-29)
Current therapeutic strategies for the treatment of bone metastases are often limited by the lack of selectivity, severe systemic toxicity and suboptimal efficacy. Nanomedicine meditated chemo-photodynamic therapy provides a promising therapeutic opportunity for enhanced cancer therapy. Herein, we constructed an
Shireesha Sankella et al.
The Journal of biological chemistry, 289(8), 4762-4777 (2014-01-16)
In this study we examined the role of phosphatidic acid (PA) in hepatic glucose production (HGP) and development of hepatic insulin resistance in mice that lack 1-acylglycerol-3-phosphate O-acyltransferase 2 (AGPAT2). Liver lysophosphatidic acid and PA levels were increased ∼2- and
Micaela Peppino Margutti et al.
Chemistry and physics of lipids, 228, 104887-104887 (2020-02-07)
The signaling lipids phosphatidic acid (PA) and diacylglycerol pyrophosphate (DGPP) are involved in regulating the stress response in plants. PA and DGPP are anionic lipids consisting of a negatively charged phosphomonoester or pyrophosphate group attached to diacylglycerol, respectively. Changes in
Haruka Yamada et al.
Biochemistry and biophysics reports, 22, 100769-100769 (2020-06-04)
Phosphatidic acid (PA) is the simplest phospholipid and is involved in the regulation of various cellular events. Recently, we developed a new PA sensor, the N-terminal region of α-synuclein (α-Syn-N). However, whether α-Syn-N can sense physiologically produced, endogenous PA remains
Adrien Rousseau et al.
PLoS biology, 11(12), e1001726-e1001726 (2013-12-07)
Tumor necrosis factor (TNF) receptor-associated factor 4 (TRAF4) is frequently overexpressed in carcinomas, suggesting a specific role in cancer. Although TRAF4 protein is predominantly found at tight junctions (TJs) in normal mammary epithelial cells (MECs), it accumulates in the cytoplasm
Sarah M Fantin et al.
Analytical chemistry, 91(24), 15469-15476 (2019-11-20)
Membrane proteins represent most current therapeutic targets, yet remain understudied due to their insolubility in aqueous solvents and generally low yields during purification and expression. Ion mobility-mass spectrometry and collision induced unfolding experiments have recently garnered attention as methods capable
Zhenping Cao et al.
Nature communications, 10(1), 5783-5783 (2019-12-21)
The gut microbiota represents a huge community of microorganisms that play essential roles in immune modulation and homeostasis maintenance. Microbiota transplantation is an important approach to prevent and treat disease as it can inhibit pathogen colonization and positively modulate bacterial
Andreas Sonesson et al.
Biochimica et biophysica acta, 1768(2), 346-353 (2006-12-16)
Antimicrobial peptides are generated during activation of the complement system [Nordahl et al. Proc. Natl. Acad. Sci. U. S. A. 2004, 101:16879-16884]. Here we show that the anaphylatoxin C3a exerts antimicrobial effects against the yeast Candida. Fluorescence microscopy and electron
Xinhui Sun et al.
Cell cycle (Georgetown, Tex.), 14(5), 721-731 (2015-01-16)
It had been known for decades that primordial follicles in mammalian ovaries are assembled with definite numbers and represent the ovarian reserve throughout the reproductive life. Intra-oocyte PI3K/mTOR pathways have been indicated to play a central role on the activation
Yan-Bing Zhu et al.
Scientific reports, 6, 21096-21096 (2016-02-18)
Astrocytes play critical roles in neural circuit formation and function. Recent studies have revealed several secreted and contact-mediated signals from astrocytes which are essential for neurite outgrowth and synapse formation. However, the mechanisms underlying the regulation of dendritic branching by
German Stepanov et al.
FEBS letters, 583(1), 97-100 (2008-12-09)
We attempted to evaluate the affinity of the anionic phospholipids to cytochrome c by means of surface plasmon resonance (SPR) technique and to correlate it with the cytochrome c active site alterations and peroxidase activity. Our experiments showed a strong
Kathleen Frondorf et al.
The Journal of biological chemistry, 285(21), 15837-15847 (2010-03-23)
Phosphatidic acid (PA) is a pleiotropic lipid second messenger in mammalian cells. We report here that extracellular PA acts as a leukocyte chemoattractant, as membrane-soluble dioleoyl-PA (DOPA) elicits actin polymerization and chemotaxis of human neutrophils and differentiated proleukemic HL-60 cells.
Kuan-Wei Huang et al.
Science advances, 6(3), eaax5032-eaax5032 (2020-01-31)
While immunotherapy holds great promise for combating cancer, the limited efficacy due to an immunosuppressive tumor microenvironment and systemic toxicity hinder the broader application of cancer immunotherapy. Here, we report a combinatorial immunotherapy approach that uses a highly efficient and
Peter J Chung et al.
Langmuir : the ACS journal of surfaces and colloids, 34(43), 13000-13005 (2018-10-12)
Spherical nanoparticle-supported lipid bilayers (SSLBs) combine precision nanoparticle engineering with biocompatible interfaces for various applications, ranging from drug delivery platforms to structural probes for membrane proteins. Although the bulk, spontaneous assembly of vesicles and larger silica nanoparticles (>100 nm) robustly
Yukun Huang et al.
Nature communications, 11(1), 622-622 (2020-02-01)
The failure of immunotherapies in immune-excluded tumor (IET) is largely ascribed to the void of intratumoral cytotoxic T cells (CTLs). The major obstacles are the excessive stroma, defective vasculatures and the deficiency of signals recruiting CTLs. Here we report a
Spatiotemporal control of phosphatidic acid signaling with optogenetic, engineered phospholipase Ds.
Reika Tei et al.
The Journal of cell biology, 219(3) (2020-01-31)
Phosphatidic acid (PA) is both a central phospholipid biosynthetic intermediate and a multifunctional lipid second messenger produced at several discrete subcellular locations. Organelle-specific PA pools are believed to play distinct physiological roles, but tools with high spatiotemporal control are lacking
Hongda Zhu et al.
Nanoscale, 12(5), 3400-3410 (2020-01-29)
Highly fibrotic and collagen-rich properties in desmoplastic melanoma (DM) result in an immune-suppressive fibrotic tumor microenvironment (TME) that resists clinical therapies. The different clinical and pathological properties, as compared to conventional melanoma, lead to delayed diagnosis and it is difficult
Sobhan Roy et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(43), E4648-E4657 (2014-10-10)
CD1c is a member of the group 1 CD1 family of proteins that are specialized for lipid antigen presentation. Despite high cell surface expression of CD1c on key antigen-presenting cells and the discovery of its mycobacterial lipid antigen presentation capability
Li Ma et al.
Biochemistry, 57(31), 4735-4740 (2018-04-06)
It is challenging to assess protein-membrane interactions because of the lack of appropriate tools to detect position changes of single proteins in the ∼4 nm range of biological membranes. We developed an assay recently, termed surface-induced fluorescence attenuation (SIFA). It
Eka-Putra Gusti-Ngurah-Putu et al.
Journal of clinical medicine, 8(12) (2019-12-08)
Encapsulating cisplatin (CDDP) into liposomes to form lipid-platinum-chloride nanoparticles (LPC NPs) has shown a promising anticancer effect in melanoma, bladder, and liver cancer models. This promising anticancer effect of LPC NPs challenges us to study its implications in combination with
Taylor E Miller et al.
Biology open, 6(2), 176-186 (2016-12-25)
The removal of mRNA transcript poly(A) tails by 3'→5' exonucleases is the rate-limiting step in mRNA decay in eukaryotes. Known cellular deadenylases are the CCR4-NOT and PAN complexes, and poly(A)-specific ribonuclease (PARN). The physiological roles and regulation for PARN is
Guillermo Escalante et al.
Journal of the International Society of Sports Nutrition, 13, 24-24 (2016-06-09)
Phosphatidic acid (PA) is a lipid messenger that has been shown to increase muscle protein synthesis via signaling stimulation of the mammalian target of rapamycin (mTOR). MaxxTOR® (MT) is a supplement that contains PA as the main active ingredient but
Neeraj Kohli et al.
Journal of colloid and interface science, 301(2), 461-469 (2006-06-23)
This paper presents novel methods to produce arrays of lipid bilayers and liposomes on patterned polyelectrolyte multilayers. We created the arrays by exposing patterns of poly(dimethyldiallylammonium chloride) (PDAC), polyethylene glycol (m-dPEG) acid, and poly(allylamine hydrochloride) (PAH) on polyelectrolyte multilayers (PEMs)
Elżbieta Rudolphi-Szydło et al.
Acta biochimica Polonica, 67(2), 259-262 (2020-05-22)
In the present work, Langmuir monolayers were used to study the interaction of putrescine (a cationic antioxidant) with anionic charged membranes (1,2-dioleoyl-sn-glycerol-3-phosphate) under oxidative stress caused by the presence of ozone in the water phase. Calcium ions and acidic environment
Kwang-Jin Cho et al.
Molecular and cellular biology, 31(6), 1110-1120 (2011-01-20)
Hydroxmethylglutaryl (HMG)-coenzyme A (CoA) reductase inhibitors (statins) lower serum cholesterol but exhibit pleiotropic biological effects that are difficult to ascribe solely to cholesterol depletion. Here, we investigated the effect of lovastatin on protein prenylation and cell signaling. We show that
Zhenhua Hu et al.
Science advances, 6(14), eaba0145-eaba0145 (2020-04-10)
Low oral bioavailability of peptide drugs has limited their application to parenteral administration, which suffers from poor patient compliance. Here, we show that molecular targeting of the FATP4 transporter is an effective approach to specifically transport long-chain fatty acid (LCFA)-conjugated
Non Miyata et al.
The Journal of cell biology, 214(1), 77-88 (2016-06-30)
Phosphatidylethanolamine (PE) is an essential phospholipid for mitochondrial functions and is synthesized mainly by phosphatidylserine (PS) decarboxylase at the mitochondrial inner membrane. In Saccharomyces cerevisiae, PS is synthesized in the endoplasmic reticulum (ER), such that mitochondrial PE synthesis requires PS
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