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Frankel R, Sparr E, Linse S. Retardation of Aβ42 fibril formation by apolipoprotein A-I and recombinant HDL particles. J Biol Chem 2023; 299:105273. [PMID: 37739034 PMCID: PMC10616404 DOI: 10.1016/j.jbc.2023.105273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 09/05/2023] [Accepted: 09/12/2023] [Indexed: 09/24/2023] Open
Abstract
The double nucleation mechanism of amyloid β (Aβ) peptide aggregation is retained from buffer to cerebrospinal fluid (CSF) but with reduced rate of all microscopic processes. Here, we used a bottom-up approach to identify retarding factors in CSF. We investigated the Aβ42 fibril formation as a function of time in the absence and presence of apolipoprotein A-I (ApoA-I), recombinant high-density lipoprotein (rHDL) particles, or lipid vesicles. A retardation was observed in the presence of ApoA-I or rHDL particles, most pronounced with ApoA-I, but not with lipid vesicles. Global kinetic analysis implies that rHDL interferes with secondary nucleation. The effect of ApoA-I could best be described as an interference with secondary and to a smaller extent primary nucleation. Using surface plasmon resonance and microfluidics diffusional sizing analyses, we find that both rHDL and ApoA-I interact with Aβ42 fibrils but not Aβ42 monomer, thus the effect on kinetics seems to involve interference with the catalytic surface for secondary nucleation. The Aβ42 fibrils were imaged using cryogenic-electron microscopy and found to be longer when formed in the presence of ApoA-I or rHDL, compared to formation in buffer. A retarding effect, as observed in CSF, could be replicated using a simpler system, from key components present in CSF but purified from a CSF-free host. However, the effect of CSF is stronger implying the presence of additional retarding factors.
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Affiliation(s)
- Rebecca Frankel
- Biochemistry and Structural Biology, Lund University, Lund, Sweden; Division of Physical Chemistry, Lund University, Lund, Sweden
| | - Emma Sparr
- Division of Physical Chemistry, Lund University, Lund, Sweden
| | - Sara Linse
- Biochemistry and Structural Biology, Lund University, Lund, Sweden.
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ABD MUID SUHAILA, AWANG JALIL REMEE, HARUN NOORHANISA, MOHD NAWAWI HAPIZAH, RUTH FROEMMING GABRIELEANISAH. HDL AND ITS SUBPOPULATION (HDL2 AND HDL3) PROMOTE CHOLESTEROL TRANSPORTERS EXPRESSION AND ATTENUATES INFLAMMATION IN 3T3-L1 MATURE ADIPOCYTES INDUCED BY TUMOR NECROSIS FACTOR ALPHA. MALAYSIAN APPLIED BIOLOGY 2022; 51:153-167. [DOI: 10.55230/mabjournal.v51i4.24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Obesity activates inflammation causing dysfunction of adipocytes. Increasing high-density lipoprotein (HDL) levels in obesity may be beneficial in overcoming this effect. However, not much data is available on the effects of HDL and its subpopulations in inflamed adipocytes. The objective of this study was to investigate the effects of total HDL (tHDL) and the comparison between its subpopulations (HDL2 & HDL3) on protein and gene expression of cholesterol transporters, inflammation, and adipokines in TNF-α stimulated 3T3-L1 mature adipocytes. TNFα alone had lower adiponectin and higher protein and gene expression of IL-6 and NF-ĸβ (p65) compared to unstimulated adipocytes and these effects were attenuated by HDLs especially HDL3 (in most of the biomarkers). HDL and its subpopulation had higher cholesterol transporters expression in 3T3-L1 mature adipocytes induced by TNF-α compared to unstimulated cells. Increment of cholesterol transporters expression by HDL leads to reduce secretion of inflammatory markers [IL-6 & NF-kB (p65)] and visfatin and increases adiponectin secretion in the inflamed mature adipocytes. HDL exhibits beyond its reverse cholesterol transporter property by exhibiting anti-inflammatory effects thru the deactivation of NF-ĸβ (p65). This may contribute to reducing the progression of obesity-related complications.
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KÖSEOĞLU D, ÖZDEMİR BAŞER Ö, ÇETİN Z, ÇATAK M. Monocyte and neutrophil to high density lipoprotein cholesterol ratios are elevated in patients with vitamin D deficiency. JOURNAL OF HEALTH SCIENCES AND MEDICINE 2022. [DOI: 10.32322/jhsm.1001090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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4
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A lipidomic view of SARS-CoV-2. Biosci Rep 2021; 41:229396. [PMID: 34313294 PMCID: PMC8350433 DOI: 10.1042/bsr20210953] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/20/2021] [Accepted: 07/27/2021] [Indexed: 02/07/2023] Open
Abstract
The global pandemic of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which started in late 2019, has caused huge social and economic losses. A growing number of investigators are focusing on understanding the interaction of SARS-CoV-2 with host cellular processes to find therapeutic approaches. New data suggest that lipid metabolism may play a significant role in regulating the response of immune cells like macrophages to viral infection, thereby affecting the outcome of the disease. Therefore, understanding the role of lipid metabolism could help develop new therapeutic approaches to mitigate the social and economic cost of coronavirus disease 2019 (COVID-19).
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Frankel R, Bernfur K, Sparr E, Linse S. Purification and HDL-like particle formation of apolipoprotein A-I after co-expression with the EDDIE mutant of Npro autoprotease. Protein Expr Purif 2021; 187:105946. [PMID: 34298139 DOI: 10.1016/j.pep.2021.105946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 06/23/2021] [Accepted: 07/19/2021] [Indexed: 01/15/2023]
Abstract
Apolipoprotein A-I (ApoA-I) is the major protein constituent of high-density lipoprotein particles, and as such is involved in cholesterol transport and activation of LCAT (the lecithin:cholesterol acyltransferase). It may also form amyloidal deposits in the body, showing the multifaceted interactions of ApoA-I. In order to facilitate the study of ApoA-I in various systems, we have developed a protocol based on recombinant expression in E. coli. ApoA-I is protected from degradation by driving its expression to inclusion bodies using a tag: the EDDIE mutant of Npro autoprotease from classical swine fever virus. Upon refolding, EDDIE will cleave itself off from the target protein. The result is a tag-free ApoA-I, with its N-terminus intact. ApoA-I was then purified using a five-step procedure composed of anion exchange chromatography, immobilized metal ion affinity chromatography, hydrophobic interaction chromatography, boiling and size exclusion chromatography. This led to protein of high purity as confirmed with SDS-PAGE and mass spectrometry. The purified ApoA-I formed discoidal objects in the presence of zwitterionic phospholipid DMPC, showing its retained function of interacting with lipids. The protocol was also tested by expression and purification of two ApoA-I mutants, both of which could be purified in the same manner as the wildtype, showing the robustness of the protocol.
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Affiliation(s)
- Rebecca Frankel
- Department of Biochemistry and Structural Biology, Lund University, P O Box 124, SE22100, Lund, Sweden; Department of Physical Chemistry, Lund University, P O Box 124, SE22100, Lund, Sweden.
| | - Katja Bernfur
- Department of Biochemistry and Structural Biology, Lund University, P O Box 124, SE22100, Lund, Sweden
| | - Emma Sparr
- Department of Physical Chemistry, Lund University, P O Box 124, SE22100, Lund, Sweden
| | - Sara Linse
- Department of Biochemistry and Structural Biology, Lund University, P O Box 124, SE22100, Lund, Sweden.
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6
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Akhmedov S, Afanasyev S, Trusova M, Postnikov P, Rogovskaya Y, Grakova E, Kopeva K, Carreon Paz RK, Balakin S, Wiesmann HP, Opitz J, Kruppke B, Beshchasna N, Popov S. Chemically Modified Biomimetic Carbon-Coated Iron Nanoparticles for Stent Coatings: In Vitro Cytocompatibility and In Vivo Structural Changes in Human Atherosclerotic Plaques. Biomedicines 2021; 9:biomedicines9070802. [PMID: 34356866 PMCID: PMC8301308 DOI: 10.3390/biomedicines9070802] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/30/2021] [Accepted: 07/06/2021] [Indexed: 11/21/2022] Open
Abstract
Atherosclerosis, a systematic degenerative disease related to the buildup of plaques in human vessels, remains the major cause of morbidity in the field of cardiovascular health problems, which are the number one cause of death globally. Novel atheroprotective HDL-mimicking chemically modified carbon-coated iron nanoparticles (Fe@C NPs) were produced by gas-phase synthesis and modified with organic functional groups of a lipophilic nature. Modified and non-modified Fe@C NPs, immobilized with polycaprolactone on stainless steel, showed high cytocompatibility in human endothelial cell culture. Furthermore, after ex vivo treatment of native atherosclerotic plaques obtained during open carotid endarterectomy surgery, Fe@C NPs penetrated the inner structures and caused structural changes of atherosclerotic plaques, depending on the period of implantation in Wistar rats, serving as a natural bioreactor. The high biocompatibility of the Fe@C NPs shows great potential in the treatment of atherosclerosis disease as an active substance of stent coatings to prevent restenosis and the formation of atherosclerotic plaques.
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Affiliation(s)
- Shamil Akhmedov
- Tomsk National Research Medical Center of the Russian Academy of Sciences, Cardiology Research Institute, 634012 Tomsk, Russia; (S.A.); (Y.R.); (E.G.); (K.K.); (S.P.)
- Correspondence: (S.A.); (M.T.); (N.B.); Tel.: +7-3822-558142 (S.A.); +7-9069-583171 (T.M.); +49-351-88815619 (N.B.)
| | - Sergey Afanasyev
- Tomsk National Research Medical Center of the Russian Academy of Sciences, Cardiology Research Institute, 634012 Tomsk, Russia; (S.A.); (Y.R.); (E.G.); (K.K.); (S.P.)
| | - Marina Trusova
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, 634050 Tomsk, Russia;
- Correspondence: (S.A.); (M.T.); (N.B.); Tel.: +7-3822-558142 (S.A.); +7-9069-583171 (T.M.); +49-351-88815619 (N.B.)
| | - Pavel Postnikov
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, 634050 Tomsk, Russia;
| | - Yulia Rogovskaya
- Tomsk National Research Medical Center of the Russian Academy of Sciences, Cardiology Research Institute, 634012 Tomsk, Russia; (S.A.); (Y.R.); (E.G.); (K.K.); (S.P.)
| | - Elena Grakova
- Tomsk National Research Medical Center of the Russian Academy of Sciences, Cardiology Research Institute, 634012 Tomsk, Russia; (S.A.); (Y.R.); (E.G.); (K.K.); (S.P.)
| | - Kristina Kopeva
- Tomsk National Research Medical Center of the Russian Academy of Sciences, Cardiology Research Institute, 634012 Tomsk, Russia; (S.A.); (Y.R.); (E.G.); (K.K.); (S.P.)
| | - Rosa Karen Carreon Paz
- Fraunhofer Institute for Ceramic Technologies and Systems IKTS, 01109 Dresden, Germany; (R.K.C.P.); (S.B.); (J.O.)
| | - Sascha Balakin
- Fraunhofer Institute for Ceramic Technologies and Systems IKTS, 01109 Dresden, Germany; (R.K.C.P.); (S.B.); (J.O.)
| | - Hans-Peter Wiesmann
- Max Bergmann Center of Biomaterials, Institute of Materials Science, Technische Universität Dresden, 01069 Dresden, Germany; (H.-P.W.); (B.K.)
| | - Joerg Opitz
- Fraunhofer Institute for Ceramic Technologies and Systems IKTS, 01109 Dresden, Germany; (R.K.C.P.); (S.B.); (J.O.)
| | - Benjamin Kruppke
- Max Bergmann Center of Biomaterials, Institute of Materials Science, Technische Universität Dresden, 01069 Dresden, Germany; (H.-P.W.); (B.K.)
| | - Natalia Beshchasna
- Fraunhofer Institute for Ceramic Technologies and Systems IKTS, 01109 Dresden, Germany; (R.K.C.P.); (S.B.); (J.O.)
- Correspondence: (S.A.); (M.T.); (N.B.); Tel.: +7-3822-558142 (S.A.); +7-9069-583171 (T.M.); +49-351-88815619 (N.B.)
| | - Sergey Popov
- Tomsk National Research Medical Center of the Russian Academy of Sciences, Cardiology Research Institute, 634012 Tomsk, Russia; (S.A.); (Y.R.); (E.G.); (K.K.); (S.P.)
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Luna-Castillo KP, Lin S, Muñoz-Valle JF, Vizmanos B, López-Quintero A, Márquez-Sandoval F. Functional Food and Bioactive Compounds on the Modulation of the Functionality of HDL-C: A Narrative Review. Nutrients 2021; 13:1165. [PMID: 33916032 PMCID: PMC8066338 DOI: 10.3390/nu13041165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 03/28/2021] [Accepted: 03/29/2021] [Indexed: 12/19/2022] Open
Abstract
Cardiovascular diseases (CVD) remain a serious public health problem and are the primary cause of death worldwide. High-density lipoprotein cholesterol (HDL-C) has been identified as one of the most important molecules in the prevention of CVD due to its multiple anti-inflammatories, anti-atherogenic, and antioxidant properties. Currently, it has been observed that maintaining healthy levels of HDL-C does not seem to be sufficient if the functionality of this particle is not adequate. Modifications in the structure and composition of HDL-C lead to a pro-inflammatory, pro-oxidant, and dysfunctional version of the molecule. Various assays have evaluated some HDL-C functions on risk populations, but they were not the main objective in some of these. Functional foods and dietary compounds such as extra virgin olive oil, nuts, whole grains, legumes, fresh fish, quercetin, curcumin, ginger, resveratrol, and other polyphenols could increase HDL functionality by improving the cholesterol efflux capacity (CEC), paraoxonase 1 (PON1), and cholesteryl ester transfer protein (CETP) activity. Nevertheless, additional rigorous research basic and applied is required in order to better understand the association between diet and HDL functionality. This will enable the development of nutritional precision management guidelines for healthy HDL to reduce cardiovascular risk in adults. The aim of the study was to increase the understanding of dietary compounds (functional foods and bioactive components) on the functionality of HDL.
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Affiliation(s)
- Karla Paulina Luna-Castillo
- Doctorado en Ciencias de la Nutrición Traslacional, Departamento de Clínicas de la Reproducción Humana, Crecimiento y Desarrollo Infantil, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico; (K.P.L.-C.); (J.F.M.-V.); (B.V.)
| | - Sophia Lin
- School of Population Health, University of New South Wales, Sydney, NSW 2052, Australia;
| | - José Francisco Muñoz-Valle
- Doctorado en Ciencias de la Nutrición Traslacional, Departamento de Clínicas de la Reproducción Humana, Crecimiento y Desarrollo Infantil, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico; (K.P.L.-C.); (J.F.M.-V.); (B.V.)
- Instituto de Investigación en Ciencias Biomédicas (IICB), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico
| | - Barbara Vizmanos
- Doctorado en Ciencias de la Nutrición Traslacional, Departamento de Clínicas de la Reproducción Humana, Crecimiento y Desarrollo Infantil, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico; (K.P.L.-C.); (J.F.M.-V.); (B.V.)
- Instituto de Nutrigenética y Nutrigenómica Traslacional, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico
| | - Andres López-Quintero
- Doctorado en Ciencias de la Nutrición Traslacional, Departamento de Clínicas de la Reproducción Humana, Crecimiento y Desarrollo Infantil, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico; (K.P.L.-C.); (J.F.M.-V.); (B.V.)
- Instituto de Investigación en Ciencias Biomédicas (IICB), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico
| | - Fabiola Márquez-Sandoval
- Doctorado en Ciencias de la Nutrición Traslacional, Departamento de Clínicas de la Reproducción Humana, Crecimiento y Desarrollo Infantil, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico; (K.P.L.-C.); (J.F.M.-V.); (B.V.)
- Instituto de Nutrigenética y Nutrigenómica Traslacional, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico
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8
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Papafilippou L, Claxton A, Dark P, Kostarelos K, Hadjidemetriou M. Nanotools for Sepsis Diagnosis and Treatment. Adv Healthc Mater 2021; 10:e2001378. [PMID: 33236524 DOI: 10.1002/adhm.202001378] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 10/07/2020] [Indexed: 12/12/2022]
Abstract
Sepsis is one of the leading causes of death worldwide with high mortality rates and a pathological complexity hindering early and accurate diagnosis. Today, laboratory culture tests are the epitome of pathogen recognition in sepsis. However, their consistency remains an issue of controversy with false negative results often observed. Clinically used blood markers, C reactive protein (CRP) and procalcitonin (PCT) are indicators of an acute-phase response and thus lack specificity, offering limited diagnostic efficacy. In addition to poor diagnosis, inefficient drug delivery and the increasing prevalence of antibiotic-resistant microorganisms constitute significant barriers in antibiotic stewardship and impede effective therapy. These challenges have prompted the exploration for alternative strategies that pursue accurate diagnosis and effective treatment. Nanomaterials are examined for both diagnostic and therapeutic purposes in sepsis. The nanoparticle (NP)-enabled capture of sepsis causative agents and/or sepsis biomarkers in biofluids can revolutionize sepsis diagnosis. From the therapeutic point of view, currently existing nanoscale drug delivery systems have proven to be excellent allies in targeted therapy, while many other nanotherapeutic applications are envisioned. Herein, the most relevant applications of nanomedicine for the diagnosis, prognosis, and treatment of sepsis is reviewed, providing a critical assessment of their potentiality for clinical translation.
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Affiliation(s)
- Lana Papafilippou
- Nanomedicine Lab Faculty of Biology Medicine and Health AV Hill Building The University of Manchester Manchester M13 9PT UK
| | - Andrew Claxton
- Department of Critical Care Salford Royal Foundation Trust Stott Lane Salford M6 8HD UK
| | - Paul Dark
- Manchester NIHR Biomedical Research Centre Division of Infection Immunity and Respiratory Medicine University of Manchester Manchester M13 9PT UK
| | - Kostas Kostarelos
- Nanomedicine Lab Faculty of Biology Medicine and Health AV Hill Building The University of Manchester Manchester M13 9PT UK
- Catalan Institute of Nanoscience and Nanotechnology (ICN2) Campus UAB Bellaterra Barcelona 08193 Spain
| | - Marilena Hadjidemetriou
- Nanomedicine Lab Faculty of Biology Medicine and Health AV Hill Building The University of Manchester Manchester M13 9PT UK
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Pedersbæk D, Simonsen JB. A systematic review of the biodistribution of biomimetic high-density lipoproteins in mice. J Control Release 2020; 328:792-804. [PMID: 32971201 DOI: 10.1016/j.jconrel.2020.09.038] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 09/17/2020] [Accepted: 09/18/2020] [Indexed: 12/18/2022]
Abstract
For the past two decades, biomimetic high-density lipoproteins (b-HDL) have been used for various drug delivery applications. The b-HDL mimic the endogenous HDL, and therefore possess many attractive features for drug delivery, including high biocompatibility, biodegradability, and ability to transport and deliver their cargo (e.g. drugs and/or imaging agents) to specific cells and tissues that are recognized by HDL. The b-HDL designs reported in the literature often differ in size, shape, composition, and type of incorporated cargo. However, there exists only limited insight into how the b-HDL design dictates their biodistribution. To fill this gap, we conducted a comprehensive systematic literature search of biodistribution studies using various designs of apolipoprotein A-I (apoA-I)-based b-HDL (i.e. b-HDL with apoA-I, apoA-I mutants, or apoA-I mimicking peptides). We carefully screened 679 papers (search hits) for b-HDL biodistribution studies in mice, and ended up with 24 relevant biodistribution profiles that we compared according to b-HDL design. We show similarities between b-HDL biodistribution studies irrespectively of the b-HDL design, whereas the biodistribution of the b-HDL components (lipids and scaffold) differ significantly. The b-HDL lipids primarily accumulate in liver, while the b-HDL scaffold primarily accumulates in the kidney. Furthermore, both b-HDL lipids and scaffold accumulate well in the tumor tissue in tumor-bearing mice. Finally, we present essential considerations and strategies for b-HDL labeling, and discuss how the b-HDL biodistribution can be tuned through particle design and administration route. Our meta-analysis and discussions provide a detailed overview of the fate of b-HDL in mice that is highly relevant when applying b-HDL for drug delivery or in vivo imaging applications.
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Affiliation(s)
- Dennis Pedersbæk
- Technical University of Denmark, Department of Health Technology, 2800 Kgs. Lyngby, Denmark
| | - Jens B Simonsen
- Technical University of Denmark, Department of Health Technology, 2800 Kgs. Lyngby, Denmark.
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Lundqvist M, Cedervall T. Three Decades of Research about the Corona Around Nanoparticles: Lessons Learned and Where to Go Now. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2000892. [PMID: 33107223 DOI: 10.1002/smll.202000892] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 09/02/2020] [Indexed: 06/11/2023]
Abstract
The research about how a nanoparticle (NP) interacts with a complex biological solution has been conducted, according to the literature, for almost three decades. A significant amount of data has been generated, especially in the last one and a half decade. First, it became its own research field which was later divided into many subresearch fields. This outlook does not aim to be a comprehensive review of the field or any of its subresearch fields. There is too much data published to attempt that. Instead, here it has been tried to highlight what, in the opinion, is the main step taken during these three decades. Thereafter, the weaknesses and end are pointed out with what needs to be the main focus for the future to understand the protein corona formation in the bloodstream, which is a prerequisite for the developing of true target specific drug-delivering nanoparticles.
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11
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Kelly UL, Grigsby D, Cady MA, Landowski M, Skiba NP, Liu J, Remaley AT, Klingeborn M, Bowes Rickman C. High-density lipoproteins are a potential therapeutic target for age-related macular degeneration. J Biol Chem 2020; 295:13601-13616. [PMID: 32737203 PMCID: PMC7521644 DOI: 10.1074/jbc.ra119.012305] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 07/22/2020] [Indexed: 02/02/2023] Open
Abstract
Strong evidence suggests that dysregulated lipid metabolism involving dysfunction of the retinal pigmented epithelium (RPE) underlies the pathogenesis of age-related macular degeneration (AMD), the leading cause of irreversible blindness in the elderly. A hallmark of AMD is the overproduction of lipid- and protein-rich extracellular deposits that accumulate in the extracellular matrix (Bruch's membrane (BrM)) adjacent to the RPE. We analyzed apolipoprotein A-1 (ApoA-1)-containing lipoproteins isolated from BrM of elderly human donor eyes and found a unique proteome, distinct from high-density lipoprotein (HDL) isolated from donor plasma of the same individuals. The most striking difference is higher concentrations of ApoB and ApoE, which bind to glycosaminoglycans. We hypothesize that this interaction promotes lipoprotein deposition onto BrM glycosaminoglycans, initiating downstream effects that contribute to RPE dysfunction/death. We tested this hypothesis using two potential therapeutic strategies to alter the lipoprotein/protein profile of these extracellular deposits. First, we used short heparan sulfate oligosaccharides to remove lipoproteins already deposited in both the extracellular matrix of RPE cells and aged donor BrM tissue. Second, an ApoA-1 mimetic, 5A peptide, was demonstrated to modulate the composition and concentration of apolipoproteins secreted from primary porcine RPE cells. Significantly, in a mouse model of AMD, this 5A peptide altered the proteomic profile of circulating HDL and ameliorated some of the potentially harmful changes to the protein composition resulting from the high-fat, high-cholesterol diet in this model. Together, these results suggest that targeting HDL interactions with BrM represents a new strategy to slow AMD progression in humans.
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Affiliation(s)
- Una L Kelly
- Department of Ophthalmology, Duke University Medical Center, Durham, North Carolina, USA
| | - Daniel Grigsby
- Department of Ophthalmology, Duke University Medical Center, Durham, North Carolina, USA
| | - Martha A Cady
- Department of Ophthalmology, Duke University Medical Center, Durham, North Carolina, USA
| | - Michael Landowski
- Department of Ophthalmology, Duke University Medical Center, Durham, North Carolina, USA
| | - Nikolai P Skiba
- Department of Ophthalmology, Duke University Medical Center, Durham, North Carolina, USA
| | - Jian Liu
- Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Alan T Remaley
- Lipoprotein Metabolism Section, Pulmonary and Vascular Medicine Branch, NHLBI, National Institutes of Health, Bethesda, Maryland, USA
| | - Mikael Klingeborn
- Department of Ophthalmology, Duke University Medical Center, Durham, North Carolina, USA.
| | - Catherine Bowes Rickman
- Department of Ophthalmology, Duke University Medical Center, Durham, North Carolina, USA; Department of Cell Biology, Duke University Medical Center, Durham, North Carolina, USA.
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12
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New Aspects Towards a Molecular Understanding of the Allicin Immunostimulatory Mechanism via Colec12, MARCO, and SCARB1 Receptors. Int J Mol Sci 2019; 20:ijms20153627. [PMID: 31344978 PMCID: PMC6696194 DOI: 10.3390/ijms20153627] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 07/19/2019] [Accepted: 07/23/2019] [Indexed: 12/12/2022] Open
Abstract
The allicin pleiotropic effects, which include anti-inflammatory, anti-oxidant, anti-tumoral, and antibacterial actions, were well demonstrated and correlated with various molecular pathways. The immunostimulatory mechanism of allicin has not been elucidated; however, there is a possible cytokine stimulation from immunoglobulin release caused by allicin. In this study, when Wistar female rats and CD19+ lymphocytes were treated with three different doses of allicin, immunoglobulins, glutathione, and oxidative stress markers were assayed. Molecular docking was performed between S-allylmercaptoglutathione (GSSA)—a circulating form of allicin in in vivo systems formed by the allicin interaction with glutathione (GSH)—and scavenger receptors class A and B from macrophages, as well as CD19+ B lymphocytes. Our data demonstrated a humoral immunostimulatory effect of allicin in rats and direct stimulation of B lymphocytes by S-allyl-mercapto-glutathione, both correlated with decreased catalase (CAT) activity. The molecular docking revealed that S-allyl-mercapto-glutathione interacting with Colec12, MARCO (class A), and SCARB1 (class B) scavenger receptors in in vitro tests demonstrates a direct stimulation of immunoglobulin secretion by GSSA in CD19+ B lymphocytes. These data collectively indicate that GSSA stimulates immunoglobulin secretion by binding on scavenger receptors class B type 1 (SCARB1) from CD19+ B lymphocytes.
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Murayama A, Saitoh H, Takeuchi A, Yamada N, Matsumura T, Shiina M, Muramatsu M, Wakita T, Imawari M, Kato T. Vitamin D derivatives inhibit hepatitis C virus production through the suppression of apolipoprotein. Antiviral Res 2018; 160:55-63. [PMID: 30339849 DOI: 10.1016/j.antiviral.2018.10.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 09/21/2018] [Accepted: 10/14/2018] [Indexed: 01/28/2023]
Abstract
Supplementation with vitamin D (VD) has been reported to improve the efficacy of interferon-based therapy for chronic hepatitis C. We found that 25-hydroxyvitamin D3 (25-(OH)D3), one of the metabolites of VD, has antiviral effects by inhibiting the infectious virus production of the hepatitis C virus (HCV). In this study, to clarify the underlying mechanisms of the anti-HCV effects, we searched VD derivatives that have anti-HCV effects and identified the common target molecule in the HCV life cycle by using an HCV cell culture system. After infection of Huh-7.5.1 cells with cell culture-generated HCV, VD derivatives were added to culture media, and the propagation of HCV was assessed by measuring the HCV core antigen levels in culture media and cell lysates. To determine the step in the HCV life cycle affected by these compounds, the single-cycle virus production assay was used with a CD81-negative cell line. Of the 14 structural derivatives of VD, an anti-HCV effect was detected in 9 compounds. Cell viability was not affected by these effective compounds. The 2 representative VD derivatives inhibited the infectious virus production in the single-cycle virus production assay. Treatment with these compounds and 25-(OH)D3 suppressed the expression of apolipoprotein A1 and C3, which are known to be involved in infectious virus production of HCV, and the knockdown of these apolipoproteins reduced infectious virus production. In conclusion, we identified several compounds with anti-HCV activity by screening VD derivatives. These compounds reduce the infectious virus production of HCV by suppressing the expression of apolipoproteins in host cells.
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Affiliation(s)
- Asako Murayama
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hiroshi Saitoh
- Teijin Institute for Bio-medical Research, Teijin Pharma Ltd., Tokyo, Japan
| | - Akiko Takeuchi
- Teijin Institute for Bio-medical Research, Teijin Pharma Ltd., Tokyo, Japan
| | - Norie Yamada
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Takuya Matsumura
- Division of Gastroenterology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
| | - Masaaki Shiina
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan; Department of Gastroenterology and Hepatology, Shin-Yurigaoka General Hospital, Kawasaki, Japan
| | - Masamichi Muramatsu
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Takaji Wakita
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Michio Imawari
- Research Institute for Gastrointestinal and Liver Diseases, Shin-Yurigaoka General Hospital, Kawasaki, Japan
| | - Takanobu Kato
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan.
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14
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Hamidpour M, Bashash D, Nehzati P, Abbasalizadeh M, Nikoogoftar M, Hamidpour R. The expression of hSR-B1 on platelets of patients with coronary artery disease (CAD). Clin Hemorheol Microcirc 2018; 71:9-15. [PMID: 29865042 DOI: 10.3233/ch-170311] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
INTRODUCTION The human scavenger receptor class B type 1 (hSR-B1), which serves as a high affinity receptor for HDL, is expressed on platelet surface and mediates various anti-atherogenic functions. Based on the anti-thrombotic effect of HDL and the importance of HDL-SR-B1 in the formation of atherosclerotic plaque, the present study was aimed to investigate and compare the expression level of hSR-B1on platelets of CAD patients with that of normal controls. METHODS The expression of the hSR-B1 on platelets of 31 CAD patients with atherosclerotic plaque and 20 healthy controls were detected using flowcytometry and western blotting. Moreover, platelet function in response to the agonists was examined by aggregometry, and the lipid panel tests were assayed using chemistry autoanalyzer. RESULTS Our findings showed that the expression of hSR-B1 was significantly reduced on the surface of platelets from CAD patients with atherosclerotic disease, as compared with healthy controls (6/8% vs. 13/6%) (P < 0,001). Of particular of interest, we also found that the formation of aggregates after stimulation of the platelets with ADP was higher in patients with atherosclerotic disease than the controls; indicating an inverse relationship between hSR-B1 expression and the function of human platelets. CONCLUSION Taken together, the results of the present study raise the possibility that the measurement of hSR-B1 expression on human platelets may provide a valuable insight that reflects the status of RCT in patients with atherosclerosis.
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Affiliation(s)
- Mohsen Hamidpour
- Hemopoeitic Stem cell Research Centre (HSCRC), Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Davood Bashash
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Parisa Nehzati
- Student Research Committee, Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahnaz Abbasalizadeh
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahin Nikoogoftar
- Iranian Blood Transfusion Research Center, High Institute for Research and Education inTransfusion Medicine, Iranian Blood Transfusion Organization (IBTO), Tehran, Iran
| | - Rafie Hamidpour
- Departmentof Herbal Medicine, Pars Biosciences Research Center, Leawood, KS, USA
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15
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Abstract
The systematic study of nanoparticle-biological interactions requires particles to be reproducibly dispersed in relevant fluids along with further development in the identification of biologically relevant structural details at the materials-biology interface. Here, we develop a biocompatible long-term colloidally stable water dispersion of few-layered graphene nanoflakes in the biological exposure medium in which it will be studied. We also report the study of the orientation and functionality of key proteins of interest in the biolayer (corona) that are believed to mediate most of the early biological interactions. The evidence accumulated shows that graphene nanoflakes are rich in effective apolipoprotein A-I presentation, and we are able to map specific functional epitopes located in the C-terminal portion that are known to mediate the binding of high-density lipoprotein to binding sites in receptors that are abundant in the liver. This could suggest a way of connecting the materials' properties to the biological outcomes.
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16
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Chang HC, Hsieh CF, Tantoh DM, Ko PC, Kung YY, Lin MC, Liaw YC, Liaw YP. HDL and associated factors stratified by sex and menopausal status: results from a community-based survey in Taiwan. Oncotarget 2018; 9:16354-16367. [PMID: 29662650 PMCID: PMC5893245 DOI: 10.18632/oncotarget.24677] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 02/27/2018] [Indexed: 12/21/2022] Open
Abstract
Aim To investigate factors, especially modifiable factors associated with high-density lipoprotein (HDL) in Taiwanese based on sex and menopausal status. Materials and Methods Participants comprised 2022 men and 2392 women (1267 menopausal and 1125 non-menopausal) aged ≥30 years who resided in Pingzhen district, Taoyuan from 2006-2011. Their data, obtained through questionnaires and measurements were retrieved from the Li-Shin Hospital. Results Higher HDL was associated with total cholesterol, underweight, and alcohol drinking in both men and women. It was also associated with education, blood group B, and marital status in men as well as with age in women. Moreover, it was associated with total cholesterol, underweight, and age in both menopausal and non-menopausal women. Furthermore, it was associated with marital status in non-menopausal women and alcohol drinking in menopausal women. Lower HDL was associated with triglycerides, low-density lipoprotein (LDL), overweight, obesity, waist-hip ratio (WHR), uric acid, and smoking in both men and women and with coffee drinking in only women. It was also associated with uric acid, triglycerides, LDL, overweight, obesity, WHR, and body fat in both menopausal and non-menopausal women. Moreover, it was associated with coffee drinking in menopausal women. Conclusion Modifiable factors associated with HDL differ according to sex and menopausal status. Sex and menopausal status should be considered when implementing lifestyle changes to raise HDL. For example, both men and women should maintain a normal weight as well as quit smoking.
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Affiliation(s)
- Huan-Cheng Chang
- Division of Family Medicine, Department of Community Medicine, Landseed Hospital, Taoyuan, Taiwan.,Department of Health Care Management, Chang Gung University, Taoyuan, Taiwan
| | - Chuan-Fa Hsieh
- Department of Medical Education and Research, Landseed Hospital, Taoyuan, Taiwan.,Center for General Education, Hsin Sheng College of Medical Care and Management, Taoyuan, Taiwan
| | - Disline Manli Tantoh
- Department of Public Health and Institute of Public Health, Chung Shan Medical University, Taichung, Taiwan
| | - Pei-Chieh Ko
- Department of Public Health and Institute of Public Health, Chung Shan Medical University, Taichung, Taiwan
| | - Ya-Yu Kung
- Division of Health Management, Landseed Hospital, Taoyuan, Taiwan
| | - Mei-Chi Lin
- Division of Health Management, Landseed Hospital, Taoyuan, Taiwan
| | - Yi-Ching Liaw
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Yung-Po Liaw
- Department of Public Health and Institute of Public Health, Chung Shan Medical University, Taichung, Taiwan.,Department of Family and Community Medicine, Chung Shan Medical University, Taichung, Taiwan
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17
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Onat A, Kaya A, Ademoglu E. Modified risk associations of lipoproteins and apolipoproteins by chronic low-grade inflammation. Expert Rev Cardiovasc Ther 2017; 16:39-48. [PMID: 29241386 DOI: 10.1080/14779072.2018.1417839] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
INTRODUCTION Lipoproteins and the apolipoproteins (apo) that they carry are major determinants of cardiovascular diseases (CVD) as well as metabolic, renal and inflammatory chronic disorders either directly or through mediation of risk factors. The notion that elevated low-density lipoprotein cholesterol (LDL-C) and apoB levels are related to the acquisition of CVD and, high-density lipoprotein cholesterol (HDL-C) and apoA-I indicate protection against CVD has been challenged in the past decade. Advanced age, adiposity, ethnicity or impaired glucose intolerance rendered autoimmune activation in an environment of pro-inflammatory state/oxidative stress and may disrupt the linear risk association between lipoproteins. Areas covered: This review summarizes the modified risk associations of lipoproteins and apolipoprotein by an environment of chronic systemic low-grade inflammation with special emphasis on the non-linear relationship of lipoprotein(a) [Lp(a)], a biomarker of renewed interest in cardiometabolic risk. Expert commentary: It seems that autoimmune activation in an environment of pro-inflammatory state/oxidative stress not only disrupts the linear risk association between lipoproteins, but also may cause interference in immunoassays. Hence, methodological improvement in immunoassays and much further research focusing on population segments susceptible to a pro-inflammatory state is necessary for further advances in knowledge.
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Affiliation(s)
- Altan Onat
- a Department of Cardiology, Cerrahpasa Medical Faculty , Istanbul University , Istanbul , Turkey
| | - Aysem Kaya
- b Laboratory of Biochemistry, Institute of Cardiology , Istanbul University , Istanbul , Turkey
| | - Evin Ademoglu
- c Department of Biochemistry, Istanbul Faculty of Medicine , Istanbul University , Istanbul , Turkey
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18
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Foit L, Thaxton CS. Synthetic high-density lipoprotein-like nanoparticles potently inhibit cell signaling and production of inflammatory mediators induced by lipopolysaccharide binding Toll-like receptor 4. Biomaterials 2016; 100:67-75. [PMID: 27244690 DOI: 10.1016/j.biomaterials.2016.05.021] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Revised: 05/15/2016] [Accepted: 05/19/2016] [Indexed: 12/25/2022]
Abstract
Toll-like receptor 4 (TLR4) plays a critical role in the innate immune system. Stimulation of TLR4 occurs upon binding lipopolysaccharide (LPS), a component of Gram-negative bacterial cell walls. Due to the potency of the induced inflammatory response, there is a growing interest in agents that can most proximally modulate this LPS/TLR4 interaction to prevent downstream cell signaling events and the production of inflammatory mediators. Building on the natural ability of human high-density lipoprotein (HDL) to bind LPS, we synthesized a suite of HDL-like nanoparticles (HDL-like NP). We identified one HDL-like NP that was particularly effective at decreasing TLR4 signaling caused by addition of purified LPS or Gram-negative bacteria to model human cell lines or primary human peripheral blood cells. The HDL-like NP functioned to inhibit TLR4-dependent inflammatory response to LPS derived from multiple bacterial species. Mechanistically, data show that the NP mainly functions by scavenging and neutralizing the LPS toxin. Taken together, HDL-like NPs constitute a powerful endotoxin scavenger with the potential to significantly reduce LPS-mediated inflammation.
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Affiliation(s)
- Linda Foit
- Feinberg School of Medicine, Department of Urology, Northwestern University, Tarry 16-703, 303 E. Chicago Ave, Chicago, IL 60611, USA; Simpson Querrey Institute for BioNanotechnology, Northwestern University, 303 E. Superior St, Chicago, IL 60611, USA
| | - C Shad Thaxton
- Feinberg School of Medicine, Department of Urology, Northwestern University, Tarry 16-703, 303 E. Chicago Ave, Chicago, IL 60611, USA; Simpson Querrey Institute for BioNanotechnology, Northwestern University, 303 E. Superior St, Chicago, IL 60611, USA; International Institute for Nanotechnology (IIN), 2145 Sheridan Road, Evanston, IL 60208, USA; Robert H Lurie Comprehensive Cancer Center (RHLCCC), Northwestern University, Feinberg School of Medicine, 303 E Superior, Chicago, IL 60611, USA.
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