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Anghelache M, Voicu G, Deleanu M, Turtoi M, Safciuc F, Anton R, Boteanu D, Fenyo IM, Manduteanu I, Simionescu M, Calin M. Biomimetic Nanocarriers of Pro-Resolving Lipid Mediators for Resolution of Inflammation in Atherosclerosis. Adv Healthc Mater 2024; 13:e2302238. [PMID: 37852632 DOI: 10.1002/adhm.202302238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 10/16/2023] [Indexed: 10/20/2023]
Abstract
Atherosclerosis (ATH) is a systemic disease characterized by a chronic inflammatory process and lipid deposition in the arterial walls. The chronic inflammation within ATH lesions results, at least in part, from the failed resolution of inflammation. This process is controlled actively by specialized pro-resolving lipid mediators (SPMs), namely lipoxins, resolvins, protectins, and maresins. Herein, biomimetic nanocarriers are produced comprising a cocktail of SPMs-loaded lipid nanoemulsions (LN) covered with macrophage membranes (Bio-LN/SPMs). Bio-LN/SPMs retain on their surface the macrophage receptors involved in cellular interactions and the "marker of self" CD47, which impede their recognition and uptake by other macrophages. The binding of Bio-LN/SPMs to the surface of endothelial cells (EC) and smooth muscle cells (SMC) is facilitated by the receptors on the macrophage membranes and partly by SPMs receptors. In addition, Bio-LN/SPMs prove functional by reducing monocyte adhesion and transmigration to/through activated EC and by stimulating macrophage phagocytic activity. After intravenous administration, Bio-LN/SPMs accumulate in the aorta of ApoE-deficient mice at the level of atherosclerotic lesions. Also, the safety assessment testing reveals no side effects or immunotoxicity of Bio-LN/SPMs. Thus, the newly developed Bio-LN/SPMs represent a reliable targeted nanomedicine for the resolution of inflammation in atherosclerosis.
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Affiliation(s)
- Maria Anghelache
- Medical and Pharmaceutical Bionanotechnologies Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
| | - Geanina Voicu
- Medical and Pharmaceutical Bionanotechnologies Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
| | - Mariana Deleanu
- Liquid and Gas Chromatography Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
| | - Mihaela Turtoi
- Medical and Pharmaceutical Bionanotechnologies Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
| | - Florentina Safciuc
- Medical and Pharmaceutical Bionanotechnologies Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
| | - Ruxandra Anton
- Medical and Pharmaceutical Bionanotechnologies Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
| | - Delia Boteanu
- Medical and Pharmaceutical Bionanotechnologies Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
| | - Ioana Madalina Fenyo
- Gene Regulation and Molecular Therapies Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
| | - Ileana Manduteanu
- Medical and Pharmaceutical Bionanotechnologies Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
| | - Maya Simionescu
- Medical and Pharmaceutical Bionanotechnologies Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
| | - Manuela Calin
- Medical and Pharmaceutical Bionanotechnologies Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Romanian Academy, Bucharest, 050568, Romania
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Pelin IM, Popescu I, Calin M, Rebleanu D, Voicu G, Ionita D, Zaharia MM, Constantin M, Fundueanu G. Tri-Component Hydrogel as Template for Nanocrystalline Hydroxyapatite Deposition Using Alternate Soaking Method for Bone Tissue Engineering Applications. Gels 2023; 9:905. [PMID: 37998995 PMCID: PMC10671408 DOI: 10.3390/gels9110905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/08/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023] Open
Abstract
Composite hydrogels containing apatite-like particles can act as scaffolds for osteoblast proliferation, with applications in bone tissue engineering. In this respect, porous biocompatible hydrogels were obtained from chitosan, oxidized pullulan, and PVA in different ratios. The stability of the hydrogels was ensured both by covalent bonds between aldehyde groups of oxidized pullulan and free amino groups of chitosan, and by physical bonds formed during freeze-thaw cycles and lyophilization. The deposition of calcium phosphates was performed by alternate soaking of the porous hydrogels into solutions with calcium and phosphate ions, assuring a basic pH required for hydroxyapatite formation. The mineralized hydrogels were characterized using FTIR spectroscopy, scanning electron microscopy, X-ray diffraction, and thermogravimetric analysis, showing that inorganic particles containing between 80 and 92% hydroxyapatite were deposited in a high amount on the pore walls of the polymeric matrix. The composition of the organic matrix influenced the crystallization of calcium phosphates and the mechanical properties of the composite hydrogels. In vitro biological tests showed that mineralized hydrogels support the proliferation of MG-63 osteoblast-like cells to a greater extent compared to pristine hydrogels.
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Affiliation(s)
- Irina Mihaela Pelin
- “Petru Poni” Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania; (I.M.P.); (D.I.); (M.-M.Z.); (G.F.)
| | - Irina Popescu
- “Petru Poni” Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania; (I.M.P.); (D.I.); (M.-M.Z.); (G.F.)
| | - Manuela Calin
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (M.C.); (D.R.); (G.V.)
| | - Daniela Rebleanu
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (M.C.); (D.R.); (G.V.)
| | - Geanina Voicu
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (M.C.); (D.R.); (G.V.)
| | - Daniela Ionita
- “Petru Poni” Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania; (I.M.P.); (D.I.); (M.-M.Z.); (G.F.)
| | - Marius-Mihai Zaharia
- “Petru Poni” Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania; (I.M.P.); (D.I.); (M.-M.Z.); (G.F.)
| | - Marieta Constantin
- “Petru Poni” Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania; (I.M.P.); (D.I.); (M.-M.Z.); (G.F.)
| | - Gheorghe Fundueanu
- “Petru Poni” Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania; (I.M.P.); (D.I.); (M.-M.Z.); (G.F.)
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Voicu G, Mocanu CA, Safciuc F, Anghelache M, Deleanu M, Cecoltan S, Pinteala M, Uritu CM, Droc I, Simionescu M, Manduteanu I, Calin M. Nanocarriers of shRNA-Runx2 directed to collagen IV as a nanotherapeutic system to target calcific aortic valve disease. Mater Today Bio 2023; 20:100620. [PMID: 37063777 PMCID: PMC10102408 DOI: 10.1016/j.mtbio.2023.100620] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 03/30/2023] Open
Abstract
Runx2 is a key transcription factor involved in valvular interstitial cells (VIC) osteodifferentiation, a process actively entwined with the calcific aortic valve disease (CAVD). We hypothesize that a strategy intended to silence Runx2 could be a valuable novel therapeutic option for CAVD. To this intent, we aimed at (i) developing targeted nanoparticles for efficient delivery of short hairpin (sh)RNA sequences specific for Runx2 to the aortic valve employing a relevant mouse model for CAVD and (ii) investigate their therapeutic potential in osteoblast-differentiated VIC (oVIC) cultivated into a 3D scaffold. Since collagen IV was used as a target, a peptide that binds specifically to collagen IV (Cp) was conjugated to the surface of lipopolyplexes encapsulating shRNA-Runx2 (Cp-LPP/shRunx2). The results showed that Cp-LPP/shRunx2 were (i) cytocompatible; (ii) efficiently taken up by 3D-cultured oVIC; (iii) diminished the osteodifferentiation of human VIC (cultured in a 3D hydrogel-derived from native aortic root) by reducing osteogenic molecules expression, alkaline phosphatase activity, and calcium concentration; and (iv) were recruited in aortic valve leaflets in a murine model of atherosclerosis. Taken together, these data recommend Cp-LPP/shRunx2 as a novel targeted nanotherapy to block the progression of CAVD, with a good perspective to be introduced in practical use.
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Affiliation(s)
- Geanina Voicu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Cristina Ana Mocanu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Florentina Safciuc
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Maria Anghelache
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Mariana Deleanu
- “Liquid and Gas Chromatography” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Sergiu Cecoltan
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Mariana Pinteala
- Centre of Advanced Research in Bionanoconjugates and Biopolymers, “Petru Poni” Institute of Macromolecular Chemistry, 700487, Iasi, Romania
| | - Cristina Mariana Uritu
- Centre of Advanced Research in Bionanoconjugates and Biopolymers, “Petru Poni” Institute of Macromolecular Chemistry, 700487, Iasi, Romania
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 700115, Iasi, Romania
| | - Ionel Droc
- Central Military Hospital “Dr. Carol Davila”, Cardiovascular Surgery Clinic, Bucharest, Romania
| | - Maya Simionescu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Ileana Manduteanu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Manuela Calin
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
- Corresponding author. “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania.
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Movileanu C, Anghelache M, Turtoi M, Voicu G, Neacsu IA, Ficai D, Trusca R, Oprea O, Ficai A, Andronescu E, Calin M. Folic acid-decorated PEGylated magnetite nanoparticles as efficient drug carriers to tumor cells overexpressing folic acid receptor. Int J Pharm 2022; 625:122064. [PMID: 35952802 DOI: 10.1016/j.ijpharm.2022.122064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 10/15/2022]
Abstract
The improved drug delivery systems (DDS) are needed for the targeted delivery of their therapeutic cargo (biologically active protein/peptide molecules, nucleic acids, vaccines, etc.) to diseased cells. Thus, we aimed to develop magnetite nanoparticles (Fe3O4), stabilized with polyethylene glycol (PEG) and decorated (surface-functionalized) with folic acid (FA) (Fe3O4@PEG@FA) to ensure targeted internalization in cells expressing the folic acid receptors (FR). The Fe3O4@PEG@FA nanoparticles were synthesized by co-precipitation in a one-pot methodology. Curcumin (Curc), a polyphenol with anti-tumoral activity, was loaded on the nanoparticles, and FA-targeted (Fe3O4@PEG@FA@Curc) and non-targeted (Fe3O4@PEG@Curc) systems were obtained. The internalization of Fe3O4@PEG@FA@Curc and Fe3O4@PEG@Curc nanoparticles was determined in two tumor cell lines, the FR-positive MCF-7 human breast carcinoma cell line and A549 human lung adenocarcinoma cell line, expressing a low level of FR. The results showed that MCF-7 cells internalize FA-functionalized nanoparticles to a greater extent than non-targeted ones and also than A549 cells. The competitive studies performed in the presence of FA in excess suggested that internalization is an FR-dependent process. The increased internalization of Fe3O4@PEG@FA@Curc nanoparticles in MCF-7 cells is correlated with increased cytotoxicity in this cell line compared to A549 cells. In conclusion, the FA-functionalized magnetic systems can ensure a better internalization of the nanoparticles and can be used to deliver various therapeutic agents, both in cancer treatment and also in the treatment of other inflammation-associated diseases such as rheumatoid arthritis, systemic lupus erythematosus, osteoarthritis, Crohn's disease or atherosclerosis.
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Affiliation(s)
- Codina Movileanu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 011061 Bucharest, Romania; National Centre for Micro and Nanomaterials and National Centre for Food Safety, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Spl. Indendentei 313, 060042 Bucharest, Romania; Ilie Murgulescu" Institute of Physical Chemistry, Romanian Academy, 202 Spl. Independentei, 060021 Bucharest, Romania
| | - Maria Anghelache
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Mihaela Turtoi
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Geanina Voicu
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Ionela Andreea Neacsu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 011061 Bucharest, Romania; National Centre for Micro and Nanomaterials and National Centre for Food Safety, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Spl. Indendentei 313, 060042 Bucharest, Romania; Academy of Romanian Scientists, 3 Ilfov Street, 050045 Bucharest, Romania
| | - Denisa Ficai
- National Centre for Micro and Nanomaterials and National Centre for Food Safety, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Spl. Indendentei 313, 060042 Bucharest, Romania; Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 050054 Bucharest, Romania
| | - Roxana Trusca
- National Centre for Micro and Nanomaterials and National Centre for Food Safety, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Spl. Indendentei 313, 060042 Bucharest, Romania
| | - Ovidiu Oprea
- National Centre for Micro and Nanomaterials and National Centre for Food Safety, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Spl. Indendentei 313, 060042 Bucharest, Romania; Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 050054 Bucharest, Romania
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 011061 Bucharest, Romania; National Centre for Micro and Nanomaterials and National Centre for Food Safety, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Spl. Indendentei 313, 060042 Bucharest, Romania; Academy of Romanian Scientists, 3 Ilfov Street, 050045 Bucharest, Romania
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh Polizu Street, 011061 Bucharest, Romania; National Centre for Micro and Nanomaterials and National Centre for Food Safety, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Spl. Indendentei 313, 060042 Bucharest, Romania; Academy of Romanian Scientists, 3 Ilfov Street, 050045 Bucharest, Romania.
| | - Manuela Calin
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
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Popescu I, Lupei M, Constantin M, Voicu G, Calin M, Prisacaru AI, Fundueanu G. Double cross-linked pectin beads stable in physiological environment as potential support for biomedical applications. J Polym Res 2021. [DOI: 10.1007/s10965-021-02779-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Mocanu CA, Fuior EV, Voicu G, Rebleanu D, Safciuc F, Deleanu M, Fenyo IM, Escriou V, Manduteanu I, Simionescu M, Calin M. P-selectin targeted RAGE-shRNA lipoplexes alleviate atherosclerosis-associated inflammation. J Control Release 2021; 338:754-772. [PMID: 34530051 DOI: 10.1016/j.jconrel.2021.09.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/03/2021] [Accepted: 09/10/2021] [Indexed: 12/19/2022]
Abstract
The receptor for advanced glycation end products (RAGE) plays a central role in the chronic inflammatory process associated with atherosclerosis development. We aimed to develop lipoplexes carrying RAGE-short hairpin (sh) RNA, targeted to the adhesion molecule P-selectin, selectively expressed on the surface of activated endothelium (Psel-lipo/shRAGE) to down-regulate RAGE expression as a therapeutic strategy for atherosclerosis. In vitro, Psel-lipo/shRAGE lipoplexes were efficiently taken up by activated endothelial cells (EC), decreased the expression of RAGE protein, and proved to be functional by reducing the monocyte adhesion to activated EC. In ApoE-deficient mice, the targeted lipoplexes accumulated specifically and efficiently transfected the aorta. The repeated administration of Psel-lipo/shRAGE lipoplexes, twice per week for one month: i) reduced the expression of RAGE protein in the aorta by decreasing the expression of NF-kB and TNF-α; ii) diminished the plasma levels of TNF-α, IL6, IL-1β, and MCP-1; iii) inhibited the atherosclerotic plaque development and iv) had no significant adverse effects. In conclusion, the newly developed Psel-lipo/shRAGE lipoplexes reduce the inflammatory processes associated with RAGE signaling and the progression of atherosclerosis in ApoE-deficient mice. Downregulation of RAGE employing these lipoplexes may represent a promising new targeted therapy to block atherosclerosis progression.
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Affiliation(s)
- Cristina Ana Mocanu
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Elena Valeria Fuior
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Geanina Voicu
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Daniela Rebleanu
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Florentina Safciuc
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Mariana Deleanu
- "Liquid and Gas Chromatography" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Ioana Madalina Fenyo
- "Gene Regulation and Molecular Therapies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | | | - Ileana Manduteanu
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Maya Simionescu
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Manuela Calin
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania.
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Filippi A, Constantin A, Alexandru N, Voicu G, Constantinescu CA, Rebleanu D, Fenyo M, Simionescu D, Simionescu A, Manduteanu I, Georgescu A. Integrins α4β1 and αVβ3 are Reduced in Endothelial Progenitor Cells from Diabetic Dyslipidemic Mice and May Represent New Targets for Therapy in Aortic Valve Disease. Cell Transplant 2021; 29:963689720946277. [PMID: 32841051 PMCID: PMC7563030 DOI: 10.1177/0963689720946277] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Diabetes reduces the number and induces dysfunction in circulating endothelial progenitor cells (EPCs) by mechanisms that are still uncovered. This study aims to evaluate the number, viability, phenotype, and function of EPCs in dyslipidemic mice with early diabetes mellitus and EPC infiltration in the aortic valve in order to identify possible therapeutic targets in diabetes-associated cardiovascular disease. A streptozotocin-induced diabetic apolipoprotein E knock-out (ApoE-/-) mouse model was used to identify the early and progressive changes, at 4 or 7 days on atherogenic diet after the last streptozotocin or citrate buffer injection. Blood and aortic valves from diabetic or nondiabetic ApoE-/- animals were collected.EPCs were identified as CD34 and vascular endothelial growth factor receptor 2 positive monocytes, and the expression levels of α4β1, αVβ3, αVβ5, β1, αLβ2, α5 integrins, and C-X-C chemokine receptor type 4 chemokine receptor on EPC surface were assessed by flow cytometry. The number of CD34 positive cells in the aortic valve, previously found to be recruited progenitor cells, was measured by fluorescence microscopy. Our results show that aortic valves from mice fed 7 days with atherogenic diet presented a significantly higher number of CD34 positive cells compared with mice fed only 4 days with the same diet, and diabetes reversed this finding. We also show a reduction of circulatory EPC numbers in diabetic mice caused by cell senescence and lower mobilization. Dyslipidemia induced EPC death through apoptosis regardless of the presence of diabetes, as shown by the higher percent of propidium iodide positive cells and higher cleaved caspase-3 levels. EPCs from diabetic mice expressed α4β1 and αVβ3 integrins at a lower level, while the rest of the integrins tested were unaffected by diabetes or diet. In conclusion, reduced EPC number and expression of α4β1 and αVβ3 integrins on EPCs at 4 and 7 days after diabetes induction in atherosclerosis-prone mice have resulted in lower recruitment of EPCs in the aortic valve.
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Affiliation(s)
- Alexandru Filippi
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Alina Constantin
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Nicoleta Alexandru
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Geanina Voicu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Cristina Ana Constantinescu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Daniela Rebleanu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Madalina Fenyo
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | | | - Agneta Simionescu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania.,2545Clemson University, Clemson SC, USA
| | - Ileana Manduteanu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Adriana Georgescu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
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Turtoi M, Anghelache M, Bucatariu SM, Deleanu M, Voicu G, Safciuc F, Manduteanu I, Fundueanu G, Simionescu M, Calin M. A novel platform for drug testing: Biomimetic three-dimensional hyaluronic acid-based scaffold seeded with human hepatocarcinoma cells. Int J Biol Macromol 2021; 185:604-619. [PMID: 34216662 DOI: 10.1016/j.ijbiomac.2021.06.174] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/09/2021] [Accepted: 06/26/2021] [Indexed: 12/26/2022]
Abstract
Hepatic cancer is one of the most widespread maladies worldwide that requires urgent therapies and thus reliable means for testing anti-cancer drugs. The switch from two-dimensional (2D) to three-dimensional (3D) cell cultures produced an improvement in the in vitro outcomes for testing anti-cancer drugs. We aimed to develop a novel hyaluronic acid (HA)-based 3D cell model of human hepatocellular carcinoma (HepG2 cells) for drug testing and to assess comparatively in 3D vs. 2D, the cytotoxicity and the apoptotic response to the anti-tumor agent, cisplatin. The 3D model was developed by seeding HepG2 cells in a HA/poly(methylvinylether-alt-maleic acid) (HA3P50)-based scaffold. Compared to 2D, the cells grown in the HA3P50 scaffold proliferate into larger-cellular aggregates that exhibit liver-like functions by controlling the release of hepatocyte-specific biomarkers (albumin, urea, bile acids, transaminases) and the synthesis of cytochrome-P450 (CYP)7A1 enzyme. Also, growing the cells in the scaffold sensitize the hepatocytes to the anti-tumor effect of cisplatin, by a mechanism involving the activation of ERK/p38α-MAPK and dysregulation of NF-kB/STAT3/Bcl-2 pathways. In conclusion, the newly developed HA-based 3D model is suitable for chemotherapeutic drug testing on hepatocellular carcinoma. Moreover, the system can be adapted and employed as experimental platform functioning as a proper tissue/tumor surrogate.
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Affiliation(s)
- Mihaela Turtoi
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Maria Anghelache
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Sanda-Maria Bucatariu
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, 700487 Iassy, Romania
| | - Mariana Deleanu
- "Liquid and Gas Chromatography" Laboratory, Department of Lipidomics, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania; Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine of Bucharest (UASVM), 050568 Bucharest, Romania
| | - Geanina Voicu
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Florentina Safciuc
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Ileana Manduteanu
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Gheorghe Fundueanu
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, 700487 Iassy, Romania
| | - Maya Simionescu
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania
| | - Manuela Calin
- "Medical and Pharmaceutical Bionanotechnologies" Laboratory, Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 050568 Bucharest, Romania.
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9
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Fuior EV, Mocanu CA, Deleanu M, Voicu G, Anghelache M, Rebleanu D, Simionescu M, Calin M. Evaluation of VCAM-1 Targeted Naringenin/Indocyanine Green-Loaded Lipid Nanoemulsions as Theranostic Nanoplatforms in Inflammation. Pharmaceutics 2020; 12:pharmaceutics12111066. [PMID: 33182380 PMCID: PMC7695317 DOI: 10.3390/pharmaceutics12111066] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 11/05/2020] [Accepted: 11/06/2020] [Indexed: 12/12/2022] Open
Abstract
Naringenin, an anti-inflammatory citrus flavonoid, is restrained from large-scale use by its reduced water solubility and bioavailability. To overcome these limitations, naringenin was loaded into lipid nanoemulsions directed towards vascular cell adhesion molecule (VCAM)-1, exposed by activated endothelium, and delivered intravenously in a murine model of lipopolysaccharide (LPS)-induced inflammation. To follow the in vivo bio-distribution, naringenin-loaded nanoemulsions were labeled with near-infrared probe Indocyanine Green (ICG). Based on ICG fluorescence, a VCAM-1-dependent retention of nanoemulsions was detected in the heart and aorta, while ultra-high-performance liquid chromatography (UHPLC) measurements showed a target-selective accumulation of naringenin in the heart and lungs. Correlated, fluorescence and UHPLC data indicated a mixed behavior of the VCAM-1 directed nanoparticles, which were driven not only by the targeting moiety but also by passive retention. The treatment with naringenin-loaded nanoemulsions reduced the mRNA levels of some inflammatory mediators in organs harvested from mice with acute inflammation, indicative of their anti-inflammatory potential. The data support a novel theranostic nanoplatform for inflammation, the naringenin/ICG-loaded nanoparticles that either by passive accumulation or effective targeting of the activated endothelium can be employed for imaging inflamed vascular areas and efficient delivery of the encapsulated therapeutic agent.
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Affiliation(s)
- Elena Valeria Fuior
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (E.V.F.); (C.A.M.); (G.V.); (M.A.); (D.R.); (M.S.)
| | - Cristina Ana Mocanu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (E.V.F.); (C.A.M.); (G.V.); (M.A.); (D.R.); (M.S.)
| | - Mariana Deleanu
- “Liquid and Gas Chromatography” Laboratory, Department of Lipidomics, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania;
- Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine of Bucharest (UASVM), 050568 Bucharest, Romania
| | - Geanina Voicu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (E.V.F.); (C.A.M.); (G.V.); (M.A.); (D.R.); (M.S.)
| | - Maria Anghelache
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (E.V.F.); (C.A.M.); (G.V.); (M.A.); (D.R.); (M.S.)
| | - Daniela Rebleanu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (E.V.F.); (C.A.M.); (G.V.); (M.A.); (D.R.); (M.S.)
| | - Maya Simionescu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (E.V.F.); (C.A.M.); (G.V.); (M.A.); (D.R.); (M.S.)
| | - Manuela Calin
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (E.V.F.); (C.A.M.); (G.V.); (M.A.); (D.R.); (M.S.)
- Correspondence: ; Tel.: +40-21-319-45-18
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10
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Voicu G, Rebleanu D, Constantinescu CA, Fuior EV, Ciortan L, Droc I, Uritu CM, Pinteala M, Manduteanu I, Simionescu M, Calin M. Nano-Polyplexes Mediated Transfection of Runx2-shRNA Mitigates the Osteodifferentiation of Human Valvular Interstitial Cells. Pharmaceutics 2020; 12:pharmaceutics12060507. [PMID: 32498305 PMCID: PMC7355966 DOI: 10.3390/pharmaceutics12060507] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 05/29/2020] [Accepted: 05/31/2020] [Indexed: 02/08/2023] Open
Abstract
Calcific aortic valve disease (CAVD) is a progressive disorder that increases in prevalence with age. An important role in aortic valve calcification is played by valvular interstitial cells (VIC), that with age or in pathological conditions acquire an osteoblast-like phenotype that advances the disease. Therefore, pharmacological interventions aiming to stop or reverse the osteoblastic transition of VIC may represent a therapeutic option for CAVD. In this study, we aimed at developing a nanotherapeutic strategy able to prevent the phenotypic switch of human aortic VIC into osteoblast-like cells. We hypothesize that nanocarriers designed for silencing the Runt-related transcription factor 2 (Runx2) will stop the progress or reverse the osteodifferentiation of human VIC, induced by high glucose concentrations and pro-osteogenic factors. We report here the potential of fullerene (C60)-polyethyleneimine (PEI)/short hairpin (sh)RNA-Runx2 nano-polyplexes to efficiently down-regulate Runx2 mRNA and protein expression leading subsequently to a significant reduction in the expression of osteogenic proteins (i.e. ALP, BSP, OSP and BMP4) in osteoblast-committed VIC. The data suggest that the silencing of Runx2 could represent a novel strategy to impede the osteoblastic phenotypic shift of VIC and the ensuing progress of CAVD.
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Affiliation(s)
- Geanina Voicu
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (G.V.); (D.R.); (C.A.C.); (E.V.F.); (L.C.); (I.M.); (M.S.)
| | - Daniela Rebleanu
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (G.V.); (D.R.); (C.A.C.); (E.V.F.); (L.C.); (I.M.); (M.S.)
| | - Cristina Ana Constantinescu
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (G.V.); (D.R.); (C.A.C.); (E.V.F.); (L.C.); (I.M.); (M.S.)
| | - Elena Valeria Fuior
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (G.V.); (D.R.); (C.A.C.); (E.V.F.); (L.C.); (I.M.); (M.S.)
| | - Letitia Ciortan
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (G.V.); (D.R.); (C.A.C.); (E.V.F.); (L.C.); (I.M.); (M.S.)
| | - Ionel Droc
- Central Military Hospital “Dr. Carol Davila”, Cardiovascular Surgery Clinic, 010825 Bucharest, Romania;
| | - Cristina Mariana Uritu
- Centre of Advanced Research in Bionanoconjugates and Biopolymers, “Petru Poni” Institute of Macromolecular Chemistry, 700487 Iasi, Romania; (C.M.U.); (M.P.)
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 700115 Iasi, Romania
| | - Mariana Pinteala
- Centre of Advanced Research in Bionanoconjugates and Biopolymers, “Petru Poni” Institute of Macromolecular Chemistry, 700487 Iasi, Romania; (C.M.U.); (M.P.)
| | - Ileana Manduteanu
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (G.V.); (D.R.); (C.A.C.); (E.V.F.); (L.C.); (I.M.); (M.S.)
| | - Maya Simionescu
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (G.V.); (D.R.); (C.A.C.); (E.V.F.); (L.C.); (I.M.); (M.S.)
| | - Manuela Calin
- Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568 Bucharest, Romania; (G.V.); (D.R.); (C.A.C.); (E.V.F.); (L.C.); (I.M.); (M.S.)
- Correspondence: ; Tel.: +40-21-319-45-18
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11
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Tucureanu MM, Filippi A, Alexandru N, Ana Constantinescu C, Ciortan L, Macarie R, Vadana M, Voicu G, Frunza S, Nistor D, Simionescu A, Simionescu DT, Georgescu A, Manduteanu I. Diabetes-induced early molecular and functional changes in aortic heart valves in a murine model of atherosclerosis. Diab Vasc Dis Res 2019; 16:562-576. [PMID: 31530180 PMCID: PMC6787765 DOI: 10.1177/1479164119874469] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Diabetes contributes directly to the development of cardiovascular aortic valve disease. There is currently no drug therapy available for a dysfunctional valve and this urges the need for additional research to identify distinctive mechanisms of cardiovascular aortic valve disease evolution. The aim of this study was to evaluate changes of valvular aortic lesions induced in a hyperlipemic ApoE-/- mouse model by early type 1 diabetes onset (at 4 and 7 days after streptozotocin induction). The haemodynamic valve parameters were evaluated by echography and blood samples and aortic valves were collected. Plasma parameters were measured, and inflammatory, remodelling and osteogenic markers were evaluated in the aortic valves. Next, correlations between all parameters were determined. The results showed early aortic valve dysfunction detected by echography after 1 week of diabetes; lesions were found in the aortic root. Moreover, increased expression of cell adhesion molecules, extracellular matrix remodelling and osteogenic markers were detected in hyperlipemic ApoE-/- diabetic mice. Significant correlations were found between tissue valve biomarkers and plasmatic and haemodynamic parameters. Our study may help to understand the mechanisms of aortic valve disease in the diabetic milieu in order to discover and validate new biomarkers of cardiovascular aortic valve disease in diabetes and reveal new possible targets for nanobiotherapies.
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Affiliation(s)
| | - Alexandru Filippi
- Institute of Cellular Biology and
Pathology ‘Nicolae Simionescu’, Bucharest, Romania
| | - Nicoleta Alexandru
- Institute of Cellular Biology and
Pathology ‘Nicolae Simionescu’, Bucharest, Romania
| | | | - Letitia Ciortan
- Institute of Cellular Biology and
Pathology ‘Nicolae Simionescu’, Bucharest, Romania
| | - Razvan Macarie
- Institute of Cellular Biology and
Pathology ‘Nicolae Simionescu’, Bucharest, Romania
| | - Mihaela Vadana
- Institute of Cellular Biology and
Pathology ‘Nicolae Simionescu’, Bucharest, Romania
| | - Geanina Voicu
- Institute of Cellular Biology and
Pathology ‘Nicolae Simionescu’, Bucharest, Romania
| | - Sabina Frunza
- Internal Medicine Clinic, Emergency
Clinical Hospital, Bucharest, Romania
| | - Dan Nistor
- Clinical Department of Internal
Medicine, University of Medicine and Pharmacy of Targu Mures, Targu Mures,
Romania
| | - Agneta Simionescu
- Institute of Cellular Biology and
Pathology ‘Nicolae Simionescu’, Bucharest, Romania
- Clemson University, Clemson, SC,
USA
| | | | - Adriana Georgescu
- Institute of Cellular Biology and
Pathology ‘Nicolae Simionescu’, Bucharest, Romania
- Adriana Georgescu, Institute of Cellular
Biology and Pathology ‘Nicolae Simionescu’, 8 B.P. Hasdeu Street, District 5, PO
Box 35-14, 050568 Bucharest, Romania.
| | - Ileana Manduteanu
- Institute of Cellular Biology and
Pathology ‘Nicolae Simionescu’, Bucharest, Romania
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12
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Fuior EV, Deleanu M, Constantinescu CA, Rebleanu D, Voicu G, Simionescu M, Calin M. Functional Role of VCAM-1 Targeted Flavonoid-Loaded Lipid Nanoemulsions in Reducing Endothelium Inflammation. Pharmaceutics 2019; 11:E391. [PMID: 31382634 PMCID: PMC6722676 DOI: 10.3390/pharmaceutics11080391] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 07/26/2019] [Accepted: 08/01/2019] [Indexed: 12/20/2022] Open
Abstract
Citrus flavonoids have well-documented protective effects on cardiovascular system, but the poor water solubility and reduced bioavailability restrict their therapeutic use. We aimed to overcome these limitations and encapsulated naringenin and hesperetin into lipid nanoemulsions (LNs), targeted to vascular cell adhesion molecule-1 (VCAM-1), which is expressed on activated endothelial cells (ECs). LNs were characterized by a hydrodynamic size of ~200 nm, negative zeta potential, an encapsulation efficiency of flavonoids higher than 80%, good in vitro stability and steady release of the cargo. The LNs were neither cytotoxic to human ECs line EA.hy926, nor provoked in vitro lysis of murine erithrocytes. Then, we tested whether these nanoformulations reduce tumor necrosis factor-alpha (TNF-α) induced EC-activation. We found that flavonoid-loaded LNs, either non-targeted or targeted to the endothelium, were taken up by the EA.hy926 cells in a dose-dependent manner, but dependent on TNF-α only in the case of endothelium-targeted LNs. Moreover, these nanoparticles inhibited both the adhesion and transmigration of THP-1 monocytes on/through activated ECs, by mechanisms involving a reduced expression of the pro-inflammatory chemokine monocyte chemotactic protein 1 (MCP-1) and diminished nuclear translocation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB).
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Affiliation(s)
- Elena Valeria Fuior
- Institute of Cellular Biology and Pathology "Nicolae Simionescu", 050568 Bucharest, Romania
| | - Mariana Deleanu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu", 050568 Bucharest, Romania
- Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine (UASVM), 011464 Bucharest, Romania
| | - Cristina Ana Constantinescu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu", 050568 Bucharest, Romania
- Faculty of Veterinary Medicine, University of Agronomic Sciences and Veterinary Medicine (UASVM), 050097 Bucharest, Romania
| | - Daniela Rebleanu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu", 050568 Bucharest, Romania
| | - Geanina Voicu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu", 050568 Bucharest, Romania
| | - Maya Simionescu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu", 050568 Bucharest, Romania
| | - Manuela Calin
- Institute of Cellular Biology and Pathology "Nicolae Simionescu", 050568 Bucharest, Romania.
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13
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Filippi A, Alexandru N, Voicu G, Constantinescu C, Tucureanu M, Rebleanu D, Fenyo M, Simionescu D, Simionescu A, Manduteanu I, Georgescu A. Early Diabetes Induces Alterations In Endothelial Progenitor Cell Phenotype And Homing In Mice Susceptible To Atherosclerosis. Atherosclerosis 2019. [DOI: 10.1016/j.atherosclerosis.2019.06.281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Constantinescu CA, Fuior EV, Rebleanu D, Deleanu M, Simion V, Voicu G, Escriou V, Manduteanu I, Simionescu M, Calin M. Targeted Transfection Using PEGylated Cationic Liposomes Directed Towards P-Selectin Increases siRNA Delivery into Activated Endothelial Cells. Pharmaceutics 2019; 11:E47. [PMID: 30669699 PMCID: PMC6359248 DOI: 10.3390/pharmaceutics11010047] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 01/17/2019] [Accepted: 01/17/2019] [Indexed: 12/17/2022] Open
Abstract
: The progress in small-interfering RNA (siRNA) therapeutics depends on the development of suitable nanocarriers to perform specific and effective delivery to dysfunctional cells. In this paper, we questioned whether P-selectin, a cell adhesion molecule specifically expressed on the surface of activated endothelial cells (EC) could be employed as a target for nanotherapeutic intervention. To this purpose, we developed and characterized P-selectin targeted PEGylated cationic liposomes able to efficiently pack siRNA and to function as efficient vectors for siRNA delivery to tumour necrosis factor-α (TNF-α) activated EC. Targeted cationic liposomes were obtained by coupling a peptide with high affinity for P-selectin to a functionalized PEGylated phospholipid inserted in the liposomes' bilayer (Psel-lipo). As control, scrambled peptide coupled cationic liposomes (Scr-lipo) were used. The lipoplexes obtained by complexation of Psel-lipo with siRNA (Psel-lipo/siRNA) were taken up specifically and at a higher extent by TNF-α activated b.End3 endothelial cells as compared to non-targeted Scr-lipo/siRNA. The Psel-lipo/siRNA delivered with high efficiency siRNA into the cells. The lipoplexes were functional as demonstrated by the down-regulation of the selected gene (GAPDH). The results demonstrate an effective targeted delivery of siRNA into cultured activated endothelial cells using P-selectin directed PEGylated cationic liposomes, which subsequently knock-down the desired gene.
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Affiliation(s)
- Cristina Ana Constantinescu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu," 050568 Bucharest, Romania.
- University of Agronomic Sciences and Veterinary Medicine (UASVM), Faculty of Veterinary Medicine, 050097 Bucharest, Romania.
| | - Elena Valeria Fuior
- Institute of Cellular Biology and Pathology "Nicolae Simionescu," 050568 Bucharest, Romania.
| | - Daniela Rebleanu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu," 050568 Bucharest, Romania.
| | - Mariana Deleanu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu," 050568 Bucharest, Romania.
- University of Agronomic Sciences and Veterinary Medicine (UASVM), Faculty of Biotechnologies, 011464 Bucharest, Romania.
| | - Viorel Simion
- Institute of Cellular Biology and Pathology "Nicolae Simionescu," 050568 Bucharest, Romania.
| | - Geanina Voicu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu," 050568 Bucharest, Romania.
| | - Virginie Escriou
- Centre National de la Recherche Scientifique (CNRS), Unité de Technologies Chimiques et Biologiques pour la Santé (UTCBS) UMR 8258, 75006 Paris, France.
- Institut National de la Santé et de la Recherche Médicale (INSERM), Unité de Technologies Chimiques et Biologiques pour la Santé (UTCBS) U 1022, 75006 Paris, France.
- Université Paris Descartes, Sorbonne-Paris-Cité University, Unité de Technologies Chimiques et Biologiques pour la Santé (UTCBS), 75006 Paris, France.
- Chimie ParisTech, PSL Research University, UTCBS, 75005 Paris, France.
| | - Ileana Manduteanu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu," 050568 Bucharest, Romania.
| | - Maya Simionescu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu," 050568 Bucharest, Romania.
| | - Manuela Calin
- Institute of Cellular Biology and Pathology "Nicolae Simionescu," 050568 Bucharest, Romania.
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15
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Tucureanu MM, Rebleanu D, Constantinescu CA, Deleanu M, Voicu G, Butoi E, Calin M, Manduteanu I. Lipopolysaccharide-induced inflammation in monocytes/macrophages is blocked by liposomal delivery of G i-protein inhibitor. Int J Nanomedicine 2017; 13:63-76. [PMID: 29317816 PMCID: PMC5743190 DOI: 10.2147/ijn.s150918] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Background Lipopolysaccharide (LPS) is widely recognized as a potent activator of monocytes/macrophages, and its effects include an altered production of key mediators, such as inflammatory cytokines and chemokines. The involvement of Gi protein in mediating LPS effects has been demonstrated in murine macrophages and various cell types of human origin. Purpose The aim of the present work was to evaluate the potential of a Gi-protein inhibitor encapsulated in liposomes in reducing the inflammatory effects induced by LPS in monocytes/macrophages. Materials and methods Guanosine 5′-O-(2-thiodiphosphate) (GOT), a guanosine diphosphate analog that completely inhibits G-protein activation by guanosine triphosphate and its analogs, was encapsulated into liposomes and tested for anti-inflammatory effects in LPS-activated THP1 monocytes or THP1-derived macrophages. The viability of monocytes/macrophages after incubation with different concentrations of free GOT or liposome-encapsulated GOT was assessed by MTT assay. MAPK activation and production of IL1β, TNFα, IL6, and MCP1 were assessed in LPS-activated monocytes/macrophages in the presence or absence of free or encapsulated GOT. In addition, the effect of free or liposome-encapsulated GOT on LPS-stimulated monocyte adhesion to activated endothelium and on monocyte chemotaxis was evaluated. Results We report here that GOT-loaded liposomes inhibited activation of MAPK and blocked the production of the cytokines IL1β, TNFα, IL6, and MCP1 induced by LPS in monocytes and macrophages. Moreover, GOT encapsulated in liposomes reduced monocyte adhesion and chemotaxis. All demonstrated events were in contrast with free GOT, which showed reduced or no effect on monocyte/macrophage activation with LPS. Conclusion This study demonstrates the potential of liposomal GOT in blocking LPS proinflammatory effects in monocytes/macrophages.
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Affiliation(s)
- Monica Madalina Tucureanu
- Department of Biopathology and Therapy of Inflammation, Nicolae Simionescu Institute of Cellular Biology and Pathology, Bucharest, Romania
| | - Daniela Rebleanu
- Department of Biopathology and Therapy of Inflammation, Nicolae Simionescu Institute of Cellular Biology and Pathology, Bucharest, Romania
| | - Cristina Ana Constantinescu
- Department of Biopathology and Therapy of Inflammation, Nicolae Simionescu Institute of Cellular Biology and Pathology, Bucharest, Romania.,Faculty of Veterinary Medicine, University of Agronomic Sciences and Veterinary Medicine, Bucharest, Romania
| | - Mariana Deleanu
- Department of Lipidomics, Nicolae Simionescu Institute of Cellular Biology and Pathology, Bucharest, Romania.,Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine, Bucharest, Romania
| | - Geanina Voicu
- Department of Biopathology and Therapy of Inflammation, Nicolae Simionescu Institute of Cellular Biology and Pathology, Bucharest, Romania
| | - Elena Butoi
- Department of Biopathology and Therapy of Inflammation, Nicolae Simionescu Institute of Cellular Biology and Pathology, Bucharest, Romania
| | - Manuela Calin
- Department of Biopathology and Therapy of Inflammation, Nicolae Simionescu Institute of Cellular Biology and Pathology, Bucharest, Romania
| | - Ileana Manduteanu
- Department of Biopathology and Therapy of Inflammation, Nicolae Simionescu Institute of Cellular Biology and Pathology, Bucharest, Romania
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Alexandru HV, Ioachim A, Toacsan MI, Nedelcu L, Banciu MG, Berbecaru C, Voicu G, Jinga S, Andronescu E. Ba(Zn1/3Ta2/3)O ceramics for microwave and millimeter-wave applications. Ann N Y Acad Sci 2009; 1161:549-53. [PMID: 19426347 DOI: 10.1111/j.1749-6632.2008.04077.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The Ba(Zn(1/3)Ta(2/3))O(3) (BZT) ceramic samples were prepared by solid-state reaction and sintered in the range 1550-1650 degrees C for 2 h. Several methods--X-ray diffraction (XRD) and scanning electron microscopy (SEM)--were used for structural and morphological characterization. The unit cell distortion and the presence of the secondary phase content were studied by XRD. A long-range order with a 2:1 ratio of Ta and Zn cations on the octahedral positions of the perovskite structure was noticed with the increase of the sintering temperature. SEM investigations revealed polyhedral well-faceted grains and large grain size distribution. The dielectric properties in the microwave range were measured at room temperature and at 1 kHz on a large temperature interval (+/-150 degrees C). The dielectric parameters were correlated with morphological and structural properties. Ceramic samples were annealed at 1410 degrees C for 30 h to improve the microwave properties. The dielectric constant of BZT samples measured at 6 GHz and at 1 kHz was between 27 and 28 on the whole temperature range, that is, typical values for BZT material. The temperature coefficient of the resonance frequency at 6 GHz exhibits positive values less than 6 ppm/degrees C.
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Affiliation(s)
- H V Alexandru
- University of Bucharest, Faculty of Physics, Bucharest, Romania.
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Panghea P, Voicu G, Filip G, Arghir O, Floca L, Acasandri E, Mihai D. [Serevent in the treatment of moderate bronchial asthma]. Pneumoftiziologia 1996; 45:145-8. [PMID: 9221040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A group of 20 patients with moderate bronchial asthma aged 18 through 65, previously treated with Becotide inhaler for 4 weeks was given Serevent in regular dosage for 4 weeks. Serevent efficiency was assessed clinically and functionally (MEVS, IPB). A progressive improvement of all clinical and functional parameters was obtained following the treatment. The evolution was unsatisfactory with 3 cases which entered the group with advanced asthma condition. No adverse reaction of tachyphylaxis manifestations were recorded. Drug adequacy was perfect. The final results place Serevent among elective bronchodilators in long-time ambulatory treatment.
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Affiliation(s)
- P Panghea
- Clinica de Pneumoftiziologie, Facultate de Medicină, Constanţa
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Bădulici S, Chirilă M, Cojocaru M, Buzică C, Voicu G. The zinc-immunodeficiency relationship in old patients. Rom J Intern Med 1993; 31:123-30. [PMID: 8268830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The influence of oral zinc sulphate therapy on the humoral immunity was investigated by dosages of serum immunoglobulins (Ig) and of plasma zinc levels in 12 patients with a mean age of 70 years, in comparison with other 11 patients treated with placebo and with a control group of 50 apparently healthy subjects. The results of this double-blind study demonstrated the zinc effect on the immunoregulation, as the Ig levels, and particularly those of the IgG class, initially high, were lowered in a statistically significant proportion. It is assumed that further clinical trials with various zinc concentrations could bring more information on this trace element participation in the humoral immunoregulation.
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Affiliation(s)
- S Bădulici
- Christiana Center of Social Medicine, Bucharest
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Didilescu C, Voicu G, Popa A. [A case of total situs inversus]. Pneumoftiziologia 1991; 40:65-6. [PMID: 1841746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- C Didilescu
- Institutul de pneumoftiziologie Marius Nasta, Bucureşti
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Voicu G. [A sociological model of rape]. Acta Med Leg Soc (Liege) 1983; 33:663-666. [PMID: 6613636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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22
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Oancea T, Bocăneală O, Voicu G, Pătruţ M. [Considerations on 45 cases of injuries of the diaphragm]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Chir 1982; 31:409-15. [PMID: 6220426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The authors make an analysis of 45 cases of diaphragmatic trauma, of which 27 were wounds and 18 were ruptures. The wounds of the diaphragm, in most cases determined by bullets, were of small dimensions, but were accompanied by serious lesions of the organs in the vicinity, while ruptures of the diaphragm, determined by closed traumas, were extensive, but with less important lesions of the viscera. Rapid transportation, and efficient intensive care have permitted the performance of emergency interventions in all the patients with wounds, except 3 who died in the emergency room. In 37% of the cases there was involvement of the liver, while the spleen was involved in 33% of the patients. Wounds following gunshot with explosion of the liver and involvement of the supra-hepatic veins could not be recovered. The continuity solution of the diaphragm determined penetration of the abdominal organs and of their contents into the thorax, and this was followed by respiratory and circulatory failure. The diagnosis of diaphragmatic rupture was established in some cases at some distance from the traumatic point. In all the patients with wounds it was necessary to perform emergency surgery. The approach was selected in relation to the localization of the entrance and of the emergence points of the wound. In cases with thoraco-abdominal wounds on the left side the abdominal approach was the most frequent choice, while in patients with wounds on the right side the preferred approach was thoracic in the high-placed wounds, and abdominal, or thoraco-abdominal in the low-placed ones. In the case of ruptures the approach was determined by the localization of the impact zone, and by the viscera supposedly involved. In most of the patients the clinical picture was dominated by the associated lesions, especially by the cranio-cerebral ones. For this reason some of these patients were operated in a later stage, with diaphragmatic hernia. The overall mortality rate in the operated patients was 15.8%.
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Oancea T, Bocăneală O, Voicu G. [Bipolar approach to biliobronchial fistulas]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Chir 1979; 28:261-7. [PMID: 493571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
On the basis of 4 cases (three bilio-bronchial fistulae of hydatic origin, and one post-traumatic fistula), the authors review the problems of etiology and of pathological physiology. After an interpretation of the results obtained they recommend the bi-polar approach (pulmonary and biliary) in the same surgical intervention. In relation with the condition of the patient the second stage of the intervention will be performed after 14 to 21 days (the abdominal stage being carried out after the thoracic stage).
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Oancea T, Bocăneală O, Stefănescu-Galaţi T, Trîncă D, Voicu G, Cojocea V, Mociorniţă I. [Unusual clinical and therapeutic aspects of intrathoracic goiter]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Chir 1979; 28:123-7. [PMID: 461869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Out of the 220 cases of goiters operated in the clinic 19 were partially or totally intra-thoracic, as follows: --totally intra-thoracic: 7 cases; --partially intra-thoracic: 12 cases, of which: mediastino-cervical: 2 cases; cervico-mediastinal: 10 cases. Five of the totally intra-thoracic goiters were in the anterior mediastinum, while two were in the posterior mediastinum, in a retro-oesophageal position. Three of the 19 intra-thoracic goiters were malignant. The symptomatology, the diagnosis and especially the therapeutical attitude are discussed.
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Oancea T, Trâncă D, Voicu G, Cojocea V, Cucui V. [12 cases of chronic stomach volvulus treated by Kapandji's gastro-omphalopexy]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Chir 1978; 27:427-31. [PMID: 752840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Oancea T, Voicu G, Stefănescu-Galaţi T. [Pulmonary transplantation. Current experimental and clinical aspects]. Chirurgia (Bucur) 1972; 21:537-42. [PMID: 4560836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Oancea T, Lengyel E, Stefănescu-Galaţi T, Voicu G. [Operated pulmonary metastasis]. Chirurgia (Bucur) 1972; 21:169-73. [PMID: 5069690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Oancea T, Voicu G, Bachman M. [Calcified hydatid cyst of the liver]. Chirurgia (Bucur) 1972; 21:41-6. [PMID: 5070187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Köppich A, Elias R, Mihaila I, Voicu G, Zotovici L, Mateescu R, Sufrin V, Badea L. [Work capacity of women exposed to essentially nervous, occupational fatique (incidence of genital area disorders)]. Arch Mal Prof 1969; 30:311-22. [PMID: 4393558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Mihăilă I, Köppich A, Voicu G, Sax C. [Studies of work physiology in female operators of mechanized calculating machines]. Fiziol Norm Patol 1969; 15:129-135. [PMID: 5800151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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Mihăilă I, Köppich A, Voicu G. [Research concerning the strain of housework on the female body]. Fiziol Norm Patol 1966; 12:459-65. [PMID: 5975706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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