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Filipczak N, Yalamarty SSK, Li X, Parveen F, Torchilin V. Developments in Treatment Methodologies Using Dendrimers for Infectious Diseases. MOLECULES (BASEL, SWITZERLAND) 2021; 26:molecules26113304. [PMID: 34072765 PMCID: PMC8198206 DOI: 10.3390/molecules26113304] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/22/2021] [Accepted: 05/23/2021] [Indexed: 02/02/2023]
Abstract
Dendrimers comprise a specific group of macromolecules, which combine structural properties of both single molecules and long expanded polymers. The three-dimensional form of dendrimers and the extensive possibilities for use of additional substrates for their construction creates a multivalent potential and a wide possibility for medical, diagnostic and environmental purposes. Depending on their composition and structure, dendrimers have been of interest in many fields of science, ranging from chemistry, biotechnology to biochemical applications. These compounds have found wide application from the production of catalysts for their use as antibacterial, antifungal and antiviral agents. Of particular interest are peptide dendrimers as a medium for transport of therapeutic substances: synthetic vaccines against parasites, bacteria and viruses, contrast agents used in MRI, antibodies and genetic material. This review focuses on the description of the current classes of dendrimers, the methodology for their synthesis and briefly drawbacks of their properties and their use as potential therapies against infectious diseases.
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Affiliation(s)
- Nina Filipczak
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; (N.F.); (S.S.K.Y.); (X.L.); (F.P.)
| | - Satya Siva Kishan Yalamarty
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; (N.F.); (S.S.K.Y.); (X.L.); (F.P.)
| | - Xiang Li
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; (N.F.); (S.S.K.Y.); (X.L.); (F.P.)
- State Key Laboratory of Innovative Drug and Efficient Energy-Saving Pharmaceutical Equipment, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Farzana Parveen
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; (N.F.); (S.S.K.Y.); (X.L.); (F.P.)
- The Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Vladimir Torchilin
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; (N.F.); (S.S.K.Y.); (X.L.); (F.P.)
- Department of Oncology, Radiotherapy and Plastic Surgery, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
- Correspondence:
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Folliero V, Zannella C, Chianese A, Stelitano D, Ambrosino A, De Filippis A, Galdiero M, Franci G, Galdiero M. Application of Dendrimers for Treating Parasitic Diseases. Pharmaceutics 2021; 13:343. [PMID: 33808016 PMCID: PMC7998910 DOI: 10.3390/pharmaceutics13030343] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 02/23/2021] [Accepted: 03/01/2021] [Indexed: 01/02/2023] Open
Abstract
Despite advances in medical knowledge, parasitic diseases remain a significant global health burden and their pharmacological treatment is often hampered by drug toxicity. Therefore, drug delivery systems may provide useful advantages when used in combination with conventional therapeutic compounds. Dendrimers are three-dimensional polymeric structures, characterized by a central core, branches and terminal functional groups. These nanostructures are known for their defined structure, great water solubility, biocompatibility and high encapsulation ability against a wide range of molecules. Furthermore, the high ratio between terminal groups and molecular volume render them a hopeful vector for drug delivery. These nanostructures offer several advantages compared to conventional drugs for the treatment of parasitic infection. Dendrimers deliver drugs to target sites with reduced dosage, solving side effects that occur with accepted marketed drugs. In recent years, extensive progress has been made towards the use of dendrimers for therapeutic, prophylactic and diagnostic purposes for the management of parasitic infections. The present review highlights the potential of several dendrimers in the management of parasitic diseases.
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Affiliation(s)
- Veronica Folliero
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Carla Zannella
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Annalisa Chianese
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Debora Stelitano
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Annalisa Ambrosino
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Anna De Filippis
- Department of Pharmacy, University of Naples “Federico II”, 80131 Naples, Italy;
| | - Marilena Galdiero
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Gianluigi Franci
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy;
| | - Massimiliano Galdiero
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
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Ortega MÁ, Guzmán Merino A, Fraile-Martínez O, Recio-Ruiz J, Pekarek L, G. Guijarro L, García-Honduvilla N, Álvarez-Mon M, Buján J, García-Gallego S. Dendrimers and Dendritic Materials: From Laboratory to Medical Practice in Infectious Diseases. Pharmaceutics 2020; 12:pharmaceutics12090874. [PMID: 32937793 PMCID: PMC7560085 DOI: 10.3390/pharmaceutics12090874] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 09/11/2020] [Accepted: 09/11/2020] [Indexed: 02/07/2023] Open
Abstract
Infectious diseases are one of the main global public health risks, predominantly caused by viruses, bacteria, fungi, and parasites. The control of infections is founded on three main pillars: prevention, treatment, and diagnosis. However, the appearance of microbial resistance has challenged traditional strategies and demands new approaches. Dendrimers are a type of polymeric nanoparticles whose nanometric size, multivalency, biocompatibility, and structural perfection offer boundless possibilities in multiple biomedical applications. This review provides the reader a general overview about the uses of dendrimers and dendritic materials in the treatment, prevention, and diagnosis of highly prevalent infectious diseases, and their advantages compared to traditional approaches. Examples of dendrimers as antimicrobial agents per se, as nanocarriers of antimicrobial drugs, as well as their uses in gene transfection, in vaccines or as contrast agents in imaging assays are presented. Despite the need to address some challenges in order to be used in the clinic, dendritic materials appear as an innovative tool with a brilliant future ahead in the clinical management of infectious diseases and many other health issues.
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Affiliation(s)
- Miguel Ángel Ortega
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (M.Á.O.); (A.G.M.); (O.F.-M.); (L.P.); (N.G.-H.); (M.Á.-M.); (J.B.)
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
- Tumour Registry, Pathological Anatomy Service, University Hospital Príncipe de Asturias, 28805 Alcalá de Henares, Spain
- University Center for the Defense of Madrid (CUD-ACD), 28047 Madrid, Spain
| | - Alberto Guzmán Merino
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (M.Á.O.); (A.G.M.); (O.F.-M.); (L.P.); (N.G.-H.); (M.Á.-M.); (J.B.)
| | - Oscar Fraile-Martínez
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (M.Á.O.); (A.G.M.); (O.F.-M.); (L.P.); (N.G.-H.); (M.Á.-M.); (J.B.)
| | - Judith Recio-Ruiz
- Department of Organic and Inorganic Chemistry, Faculty of Sciences, and Research Institute in Chemistry “Andrés M. del Río” (IQAR), University of Alcalá, 28801 Alcalá de Henares, Spain;
| | - Leonel Pekarek
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (M.Á.O.); (A.G.M.); (O.F.-M.); (L.P.); (N.G.-H.); (M.Á.-M.); (J.B.)
| | - Luis G. Guijarro
- Department of Systems Biology, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain;
- Networking Research Centre on Hepatic and Digestive Diseases (CIBER-EHD), 28029 Madrid, Spain
| | - Natalio García-Honduvilla
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (M.Á.O.); (A.G.M.); (O.F.-M.); (L.P.); (N.G.-H.); (M.Á.-M.); (J.B.)
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
- University Center for the Defense of Madrid (CUD-ACD), 28047 Madrid, Spain
| | - Melchor Álvarez-Mon
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (M.Á.O.); (A.G.M.); (O.F.-M.); (L.P.); (N.G.-H.); (M.Á.-M.); (J.B.)
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
- University Center for the Defense of Madrid (CUD-ACD), 28047 Madrid, Spain
- Immune System Diseases-Rheumatology, Oncology and Medicine Service, University Hospital Príncipe de Asturias, 28805 Alcalá de Henares, Madrid, Spain
| | - Julia Buján
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (M.Á.O.); (A.G.M.); (O.F.-M.); (L.P.); (N.G.-H.); (M.Á.-M.); (J.B.)
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
- Tumour Registry, Pathological Anatomy Service, University Hospital Príncipe de Asturias, 28805 Alcalá de Henares, Spain
- University Center for the Defense of Madrid (CUD-ACD), 28047 Madrid, Spain
| | - Sandra García-Gallego
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
- Department of Organic and Inorganic Chemistry, Faculty of Sciences, and Research Institute in Chemistry “Andrés M. del Río” (IQAR), University of Alcalá, 28801 Alcalá de Henares, Spain;
- Correspondence:
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Calienni MN, Lillo CR, Prieto MJ, Gorojod RM, V Alonso SD, Kotler ML, Gonzalez MC, Montanari J. Comparative toxicity of PEG and folate-derived blue-emitting silicon nanoparticles: in vitro and in vivo studies. Nanomedicine (Lond) 2019; 14:375-385. [DOI: 10.2217/nnm-2018-0251] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: Amino functionalization is a first step modification aiming to achieve biomedical applications of silicon nanoparticles, for example, for photodynamic therapy or radiotherapy. Nevertheless, toxicity and low quantum yields due to the positive charge of amino groups emerge as a problem that could be solved with subsequent derivatizations. Materials & methods: Folic and PEG-conjugated nanoparticles were obtained from amino-functionalized silicon nanoparticle (NH2SiNP). Cytotoxicity was determined on a tumor cell line at low and high concentrations. Four end points of in vivo toxicity were evaluated on zebrafish (Danio rerio). Results: Folic acid functionalization reduced the cytotoxicity in comparison to amino and PEG-functionalized nanoparticles. In zebrafish, folic functionalization lowered toxicity in general while PEG increased it. Conclusion: Functionalization of NH2SiNP with folic acid reduced the toxic effects in vitro and in vivo. This could be useful for therapeutic applications. PEG functionalization did not lower the toxicity.
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Affiliation(s)
- M Natalia Calienni
- Laboratorio de Biomembranas - GBEyB (IMBICE, CCT-La Plata, CONICET), Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, 1876 Bernal, Argentina
| | - Cristian R Lillo
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CCT-La Plata-CONICET, Universidad Nacional de La Plata, 1900 La Plata, Argentina
- Instituto de Nanosistemas (INS), Universidad Nacional de San Martin, 1650 San Martín, Argentina
| | - M Jimena Prieto
- Laboratorio de Biomembranas - GBEyB (IMBICE, CCT-La Plata, CONICET), Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, 1876 Bernal, Argentina
| | - Roxana M Gorojod
- CONICET- Universidad de Buenos Aires, Instituto de Química Biológica Ciencias Exactas y Naturales (IQUIBICEN), Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Laboratorio de Disfunción Celular en Enfermedades Neurodegenerativas y Nanomedicina, 1428 Ciudad Autónoma de Buenos Aires, Argentina
| | - Silvia del V Alonso
- Laboratorio de Biomembranas - GBEyB (IMBICE, CCT-La Plata, CONICET), Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, 1876 Bernal, Argentina
| | - Mónica L Kotler
- CONICET- Universidad de Buenos Aires, Instituto de Química Biológica Ciencias Exactas y Naturales (IQUIBICEN), Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Laboratorio de Disfunción Celular en Enfermedades Neurodegenerativas y Nanomedicina, 1428 Ciudad Autónoma de Buenos Aires, Argentina
| | - Mónica C Gonzalez
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CCT-La Plata-CONICET, Universidad Nacional de La Plata, 1900 La Plata, Argentina
| | - Jorge Montanari
- Laboratorio de Biomembranas - GBEyB (IMBICE, CCT-La Plata, CONICET), Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, 1876 Bernal, Argentina
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Mhlwatika Z, Aderibigbe BA. Application of Dendrimers for the Treatment of Infectious Diseases. Molecules 2018; 23:E2205. [PMID: 30200314 PMCID: PMC6225509 DOI: 10.3390/molecules23092205] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 06/14/2018] [Accepted: 06/15/2018] [Indexed: 01/14/2023] Open
Abstract
Dendrimers are drug delivery systems that are characterized by a three-dimensional, star-shaped, branched macromolecular network. They possess ideal properties such as low polydispersity index, biocompatibility and good water solubility. They are made up of the interior and the exterior layers. The exterior layer consists of functional groups that are useful for conjugation of drugs and targeting moieties. The interior layer exhibits improved drug encapsulation efficiency, reduced drug toxicity, and controlled release mechanisms. These unique properties make them useful for drug delivery. Dendrimers have attracted considerable attention as drug delivery system for the treatment of infectious diseases. The treatment of infectious diseases is hampered severely by drug resistance. Several properties of dendrimers such as their ability to overcome drug resistance, toxicity and control the release mechanism of the encapsulated drugs make them ideal systems for the treatment of infectious disease. The aim of this review is to discuss the potentials of dendrimers for the treatment of viral and parasitic infections.
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Affiliation(s)
- Zandile Mhlwatika
- Department of Chemistry, University of Fort Hare, Alice Campus, Eastern Cape 5700, South Africa.
| | - Blessing Atim Aderibigbe
- Department of Chemistry, University of Fort Hare, Alice Campus, Eastern Cape 5700, South Africa.
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Nalbandi B, Amiri S. Antibacterial activity of PVA-based nanofibers loaded with silver sulfadiazine/cyclodextrin nanocapsules. INT J POLYM MATER PO 2018. [DOI: 10.1080/00914037.2018.1482465] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Bahareh Nalbandi
- Department of Polymer Engineering, Science and Research Branch Islamic Azad University, Tehran, Iran
| | - Sahar Amiri
- Department of Polymer Engineering, Science and Research Branch Islamic Azad University, Tehran, Iran
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Naeem H, Sana M, Islam S, Khan M, Riaz F, Zafar Z, Akbar H, Shehzad W, Rashid I. Induction of Th1 type-oriented humoral response through intranasal immunization of mice with SAG1-Toxoplasma gondii polymeric nanospheres. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:1025-1034. [PMID: 29873522 DOI: 10.1080/21691401.2018.1478421] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
About one-third of the world population is prone to have infection with T. gondii, which can cause toxoplasmosis in the developing fetus and in people whose immune system is compromised through disease or chemotherapy. Surface antigen-1 (SAG1) is the candidate of vaccine against toxoplasmosis. Recent advances in biotechnology and nano-pharmaceuticals have made possible to formulate nanospheres of recombinant protein, which are suitable for sub-unit vaccine delivery. In current study, the local strain was obtained from cat feces as toxoplasma oocysts. Amplified 957 bp of SAG1 was cloned into pGEM-T and further sub-cloned into pET28-SAG1. BL21 bacteria were induced at different concentrations of isopropyl β-d-1-thiogalactopyranoside for the expression of rSAG1 protein. An immunoblot was developed for the confirmation of recombinant protein expression at 35 kDa that was actually recognized by anti-HIS antibodies and sera were collected from infected mice. PLGA encapsulated nanospheres of recombinant SAG1 were characterized through scanning electron microscopy. Experimental mice were intraperitoneally immunized with rSAG1 protein and intra-nasally immunized with nanosphere. The immune response was evaluated by indirect ELISA. In results intra-nasally administered rSAG1 in nanospheres appeared to elicit elevated responses of specific IgA and IgG2a than in control. Nanospheres of rSAG1 are found to be a bio-compatible candidate for the development of vaccine against T. gondii.
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Affiliation(s)
- Huma Naeem
- a Department of Parasitology , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Madiha Sana
- a Department of Parasitology , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Saher Islam
- b Institute of Biochemistry and Biotechnology , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Matiullah Khan
- a Department of Parasitology , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Farooq Riaz
- a Department of Parasitology , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Zunaira Zafar
- b Institute of Biochemistry and Biotechnology , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Haroon Akbar
- a Department of Parasitology , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Wasim Shehzad
- b Institute of Biochemistry and Biotechnology , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Imran Rashid
- a Department of Parasitology , University of Veterinary and Animal Sciences , Lahore , Pakistan
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PAMAM dendrimers as a carbamazepine delivery system for neurodegenerative diseases: A biophysical and nanotoxicological characterization. Int J Pharm 2018; 544:191-202. [DOI: 10.1016/j.ijpharm.2018.04.032] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 04/06/2018] [Accepted: 04/16/2018] [Indexed: 11/17/2022]
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Teimouri A, Azami SJ, Keshavarz H, Esmaeili F, Alimi R, Mavi SA, Shojaee S. Anti- Toxoplasma activity of various molecular weights and concentrations of chitosan nanoparticles on tachyzoites of RH strain. Int J Nanomedicine 2018; 13:1341-1351. [PMID: 29563791 PMCID: PMC5849388 DOI: 10.2147/ijn.s158736] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Natural polysaccharides such as chitosan (CS) are widely used as antimicrobial agents. In recent years, and considering that CS has a strong antimicrobial potential, interest has been focused on antimicrobial activity of chitosan nanoparticles (CS NPs). The main factors affecting the antibacterial activity of chitosan include molecular weight (MW) and concentration. In this regard, the aim of this study was to produce various MWs and concentrations of CS NPs, through the ionic gelation method, and investigate their potential anti-parasitic activity against tachyzoites of Toxoplasma gondii RH strain. MATERIALS AND METHODS The MWs and degree of deacetylation of the CS were characterized using viscometric and acid-base titration methods, respectively. The efficacy of various MWs and concentrations of NPs was assessed by performing in vitro experiments for tachyzoites of T. gondii RH strain, such as MTT assay, scanning electron microscopy, bioassay in mice and PCR. In vivo experiment was carried out in BALB/c mice which were inoculated with tachyzoites of T. gondii RH strain and treated with various MWs of CS NPs. RESULTS The results of in vitro and in vivo experiments revealed that anti-Toxoplasma activity strengthened as the CS NPs concentration increased and the MW decreased. In vitro experiment showed 100% mortality of tachyzoites at 500 and 1,000 ppm concentrations of low molecular weight (LMW) CS NPs after 180 min and at 2,000 ppm after 120 min. Furthermore, a 100% mortality of tachyzoites was observed at 1,000 and 2,000 ppm concentrations of medium molecular weight (MMW) CS NPs and at 2,000 ppm concentration of high molecular weight (HMW) CS NPs after 180 min. Growth inhibition rates of tachyzoites in peritoneal exudates of mice receiving low, medium and high MWs of CS NPs were found to be 86%, 84% and 79% respectively, compared to those of mice in sulfadiazine treatment group (positive control). CONCLUSION Various MWs of CS NPs exhibited great anti-Toxoplasma efficiency against tachyzoites of RH strain, with the greatest efficacy shown by LMW CS NPs in both experiments. It seems that CS NPs can be used as an alternative natural medicine in the treatment of toxoplasmosis.
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Affiliation(s)
- Aref Teimouri
- Department of Medical Parasitology and Mycology, Tehran University of Medical Sciences, Tehran, Iran
- Students Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Sanaz Jafarpour Azami
- Department of Medical Parasitology and Mycology, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Keshavarz
- Department of Medical Parasitology and Mycology, Tehran University of Medical Sciences, Tehran, Iran
| | - Fariba Esmaeili
- Department of Medical Nanotechnology, Tehran University of Medical Sciences, Tehran, Iran
| | - Rasoul Alimi
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Sara Ayazian Mavi
- Department of Medical Parasitology and Mycology, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeedeh Shojaee
- Department of Medical Parasitology and Mycology, Tehran University of Medical Sciences, Tehran, Iran
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Calienni MN, Feas DA, Igartúa DE, Chiaramoni NS, Alonso SDV, Prieto MJ. Nanotoxicological and teratogenic effects: A linkage between dendrimer surface charge and zebrafish developmental stages. Toxicol Appl Pharmacol 2017; 337:1-11. [DOI: 10.1016/j.taap.2017.10.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 10/03/2017] [Accepted: 10/05/2017] [Indexed: 01/02/2023]
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Zhang L, Wang Y, Jin S, Lu Q, Ji J. Adsorption isotherm, kinetic and mechanism of expanded graphite for sulfadiazine antibiotics removal from aqueous solutions. ENVIRONMENTAL TECHNOLOGY 2017; 38:2629-2638. [PMID: 27966390 DOI: 10.1080/09593330.2016.1272637] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 12/10/2016] [Indexed: 06/06/2023]
Abstract
The adsorption of sulfadiazine from water by expanded graphite (EG), a low cost and environmental-friendly adsorbent, was investigated. Several adsorption parameters (including the initial sulfadiazine concentration, contact time, pH of solution, ionic strength and temperature) were studied. Results of equilibrium experiments indicated that adsorption of sulfadiazine onto EG were better described by the Langmuir and Tempkin models than by the Freundlich model. The maximum adsorption capacity is calculated to be 16.586 mg/g at 298 K. The kinetic data were analyzed by pseudo-first-order, pseudo-second-order and intraparticle models. The results indicated that the adsorption process followed pseudo-second-order kinetics and may be controlled by two steps. Moreover, the pH significantly influenced the adsorption process, with the relatively high adsorption capacity at pH 2-10. The electrostatic and hydrophobic interactions are manifested to be two main mechanisms for sulfadiazine adsorption of EG. Meanwhile, the ionic concentration of Cl- slightly impacted the removal of sulfadiazine. Results of thermodynamics analysis showed spontaneous and exothermic nature of sulfadiazine adsorption on EG. In addition, regeneration experiments imply that the saturated EG could be reused for sulfadiazine removal by immersing sodium hydroxide.
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Affiliation(s)
- Ling Zhang
- a School of Environmental and Chemical Engineering , Shanghai University , Shanghai , People's Republic of China
| | - Yong Wang
- a School of Environmental and Chemical Engineering , Shanghai University , Shanghai , People's Republic of China
| | - SuWan Jin
- a School of Environmental and Chemical Engineering , Shanghai University , Shanghai , People's Republic of China
| | - QunZan Lu
- a School of Environmental and Chemical Engineering , Shanghai University , Shanghai , People's Republic of China
| | - Jiang Ji
- b XiaMen JiangTian Membrane Biotechnology Ltd , Xiamen , People's Republic of China
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Wilde M, Green RJ, Sanders MR, Greco F. Biophysical studies in polymer therapeutics: the interactions of anionic and cationic PAMAM dendrimers with lipid monolayers. J Drug Target 2017; 25:910-918. [DOI: 10.1080/1061186x.2017.1365877] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Marleen Wilde
- School of Pharmacy, University of Reading, Reading, UK
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Assolini JP, Concato VM, Gonçalves MD, Carloto ACM, Conchon-Costa I, Pavanelli WR, Melanda FN, Costa IN. Nanomedicine advances in toxoplasmosis: diagnostic, treatment, and vaccine applications. Parasitol Res 2017; 116:1603-1615. [PMID: 28477099 DOI: 10.1007/s00436-017-5458-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 04/24/2017] [Indexed: 12/16/2022]
Abstract
Toxoplasmosis is an infectious disease caused by the intracellular parasite Toxoplasma gondii that affects about one third of the world's population. The diagnosis of this disease is carried out by parasite isolation and host antibodies detection. However, the diagnosis presents problems in regard to test sensitivity and specificity. Currently, the most effective T. gondii treatment is a combination of pyrimethamine and sulfadiazine, although both drugs are toxic to the host. In addition to the problems that compromise the effective diagnosis and treatment of toxoplasmosis, there are no reports or indications of any vaccine capable of fully protecting against this infection. Nanomaterials, smaller than 1000 nm, are currently being investigated as an alternative tool in the management of T. gondii infection. This article reviews how recent nanotechnology advances indicate the utility of nanomaterials in toxoplasmosis diagnosis, treatment, and vaccine development.
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Affiliation(s)
- João Paulo Assolini
- Departamento de Ciências Patológicas, Laboratório de Parasitologia, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Virginia Márcia Concato
- Departamento de Ciências Patológicas, Laboratório de Parasitologia, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Manoela Daiele Gonçalves
- Departamento de Ciências Patológicas, Laboratório de Parasitologia, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | | | - Ivete Conchon-Costa
- Departamento de Ciências Patológicas, Laboratório de Parasitologia, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Wander Rogério Pavanelli
- Departamento de Ciências Patológicas, Laboratório de Parasitologia, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Francine Nesello Melanda
- Departamento de Ciências Patológicas, Laboratório de Parasitologia, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Idessania Nazareth Costa
- Departamento de Ciências Patológicas, Laboratório de Parasitologia, Universidade Estadual de Londrina, Londrina, PR, Brazil. .,Departamento de Ciências Patológicas - Laboratório de Parasitologia, Universidade Estadual de Londrina-UEL, Rodovia Celso Garcia Cid, Campus Universitário, Cx. Postal 6001, Londrina, PR, 86051-990, Brazil.
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14
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Shao W, Wu J, Wang S, Huang M, Liu X, Zhang R. Construction of silver sulfadiazine loaded chitosan composite sponges as potential wound dressings. Carbohydr Polym 2017; 157:1963-1970. [DOI: 10.1016/j.carbpol.2016.11.087] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 11/29/2016] [Accepted: 11/29/2016] [Indexed: 10/20/2022]
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15
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Nabi H, Rashid I, Ahmad N, Durrani A, Akbar H, Islam S, Bajwa AA, Shehzad W, Ashraf K, Imran N. Induction of specific humoral immune response in mice immunized with ROP18 nanospheres from Toxoplasma gondii. Parasitol Res 2016; 116:359-370. [DOI: 10.1007/s00436-016-5298-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 10/13/2016] [Indexed: 01/05/2023]
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16
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Solubility and solution thermodynamics of sulfadiazine in polyethylene glycol 400 + water mixtures. J Mol Liq 2016. [DOI: 10.1016/j.molliq.2015.12.114] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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17
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Li P, Wu L, Li B, Zhao Y, Qu P. Highly water-dispersible silver sulfadiazine decorated with polyvinyl pyrrolidone and its antibacterial activities. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 60:54-59. [DOI: 10.1016/j.msec.2015.11.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 10/27/2015] [Accepted: 11/08/2015] [Indexed: 01/04/2023]
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18
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Igartúa DE, Calienni MN, Feas DA, Chiaramoni NS, Del Valle Alonso S, Prieto MJ. Development of Nutraceutical Emulsions as Risperidone Delivery Systems: Characterization and Toxicological Studies. J Pharm Sci 2015; 104:4142-4152. [DOI: 10.1002/jps.24636] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Revised: 08/14/2015] [Accepted: 08/17/2015] [Indexed: 11/06/2022]
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19
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Mekuria SL, Tsai HC. Preparation of self-assembled core–shell nano structure of conjugated generation 4.5 poly (amidoamine) dendrimer and monoclonal Anti-IL-6 antibody as bioimaging probe. Colloids Surf B Biointerfaces 2015; 135:253-260. [DOI: 10.1016/j.colsurfb.2015.07.052] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 07/14/2015] [Accepted: 07/20/2015] [Indexed: 01/13/2023]
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20
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Li P, Xu X, Wu L, Li B, Zhao Y. Synthesis of silver nanoparticle-loaded sulfadiazine/polyvinyl alcohol nanorods and their antibacterial activities. MEDCHEMCOMM 2015. [DOI: 10.1039/c5md00331h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Silver nanoparticle-loaded sulfadiazine/polyvinyl alcohol nanorods (Ag-SD/PVA NRs) were successfully synthesized in an ammonia solution, and were characterized by XRD, FT-IR, SEM and TEM.
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Affiliation(s)
- Ping Li
- Key Laboratory for Special Functional Materials
- Henan University
- Kaifeng 475004
- PR China
| | - Xiangmin Xu
- Yellow River Conservancy Technical Institute
- Kaifeng 475004
- PR China
| | - Longlong Wu
- Key Laboratory for Special Functional Materials
- Henan University
- Kaifeng 475004
- PR China
| | - Binjie Li
- Medical School of Henan University
- Kaifeng 475004
- PR China
| | - Yanbao Zhao
- Key Laboratory for Special Functional Materials
- Henan University
- Kaifeng 475004
- PR China
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21
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Zepon KM, Petronilho F, Soldi V, Salmoria GV, Kanis LA. Production and characterization of cornstarch/cellulose acetate/silver sulfadiazine extrudate matrices. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 44:225-33. [DOI: 10.1016/j.msec.2014.08.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 07/23/2014] [Accepted: 08/01/2014] [Indexed: 12/21/2022]
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22
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Gaafar MR, Mady RF, Diab RG, Shalaby TI. Chitosan and silver nanoparticles: promising anti-toxoplasma agents. Exp Parasitol 2014; 143:30-8. [PMID: 24852215 DOI: 10.1016/j.exppara.2014.05.005] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 04/13/2014] [Accepted: 05/12/2014] [Indexed: 01/21/2023]
Abstract
Toxoplasmosis is a worldwide infection caused by obligate intracellular protozoan parasite which is Toxoplasma gondii. Chitosan and silver nanoparticles were synthesized to be evaluated singly or combined for their anti-toxoplasma effects as prophylaxis and as treatment in the experimental animals. Results were assessed through studying the parasite density and the ultrastructural parasite changes, and estimation of serum gamma interferon. Weight of tissue silver was assessed in different organs. Results showed that silver nanoparticles used singly or combined with chitosan have promising anti-toxoplasma potentials. The animals that received these compounds showed statistically significant decrease in the mean number of the parasite count in the liver and the spleen, when compared to the corresponding control group. Light microscopic examination of the peritoneal exudates of animals receiving these compounds showed stoppage of movement and deformity in shape of the tachyzoites, whereas, by scanning electron microscope, the organisms were mutilated. Moreover, gamma interferon was increased in the serum of animals receiving these compounds. All values of silver detected in different tissues were within the safe range. Thus, these nanoparticles proved their effectiveness against the experimental Toxoplasma infection.
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Affiliation(s)
- M R Gaafar
- Department of Parasitology, Faculty of Medicine, Alexandria University, Egypt.
| | - R F Mady
- Department of Parasitology, Faculty of Medicine, Alexandria University, Egypt
| | - R G Diab
- Department of Parasitology, Faculty of Medicine, Alexandria University, Egypt
| | - Th I Shalaby
- Department of Medical Biophysics, Medical Research Institute, Alexandria University, Egypt
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23
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Interactions between sulfa drug sulfadiazine and hydrophobic talc surfaces. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2014.01.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Prieto MJ, del Rio Zabala NE, Marotta CH, Carreño Gutierrez H, Arévalo Arévalo R, Chiaramoni NS, Alonso SDV. Optimization and in vivo toxicity evaluation of G4.5 PAMAM dendrimer-risperidone complexes. PLoS One 2014; 9:e90393. [PMID: 24587349 PMCID: PMC3938724 DOI: 10.1371/journal.pone.0090393] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Accepted: 01/29/2014] [Indexed: 01/23/2023] Open
Abstract
Risperidone is an approved antipsychotic drug belonging to the chemical class of benzisoxazole. This drug has low solubility in aqueous medium and poor bioavailability due to extensive first-pass metabolism and high protein binding (>90%). Since new strategies to improve efficient treatments are needed, we studied the efficiency of anionic G4.5 PAMAM dendrimers as nanocarriers for this therapeutic drug. To this end, we explored dendrimer-risperidone complexation dependence on solvent concentration, pH and molar relationship. The best dendrimer-risperidone incorporation (46 risperidone molecules per dendrimer) was achieved with a mixture of chloroform:methanol 50∶50 v/v solution pH 3. In addition, to explore the possible effects of this complex, in vivo studies were carried out in the zebrafish model. Changes in the development of dopaminergic neurons and motoneurons were studied using tyrosine hydroxylase and calretinin, respectively. Physiological changes were studied through histological sections stained with hematoxylin-eosin to observe possible morphological brain changes. The most significant changes were observed when larvae were treated with free risperidone, and no changes were observed when larvae were treated with the complex.
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Affiliation(s)
- Maria Jimena Prieto
- Biomembrane Laboratory, Department of Science and Technology, National University of Quilmes, Buenos Aires, Argentina
- IMBICE-CONICET, CCT La Plata, Argentina
| | - Nahuel Eduardo del Rio Zabala
- Biomembrane Laboratory, Department of Science and Technology, National University of Quilmes, Buenos Aires, Argentina
- IMBICE-CONICET, CCT La Plata, Argentina
| | - Cristian Hernán Marotta
- Biomembrane Laboratory, Department of Science and Technology, National University of Quilmes, Buenos Aires, Argentina
- IMBICE-CONICET, CCT La Plata, Argentina
| | - Hector Carreño Gutierrez
- Department of Cell Biology and Pathology, Institute of Neuroscience of Castilla y Leon, School of Medicine, University of Salamanca, Salamanca, Spain
| | - Rosario Arévalo Arévalo
- Department of Cell Biology and Pathology, Institute of Neuroscience of Castilla y Leon, School of Medicine, University of Salamanca, Salamanca, Spain
| | - Nadia Silvia Chiaramoni
- Biomembrane Laboratory, Department of Science and Technology, National University of Quilmes, Buenos Aires, Argentina
- IMBICE-CONICET, CCT La Plata, Argentina
| | - Silvia del Valle Alonso
- Biomembrane Laboratory, Department of Science and Technology, National University of Quilmes, Buenos Aires, Argentina
- IMBICE-CONICET, CCT La Plata, Argentina
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25
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Pissinate K, dos Santos Martins-Duarte É, Schaffazick SR, de Oliveira CP, Vommaro RC, Guterres SS, Pohlmann AR, de Souza W. Pyrimethamine-loaded lipid-core nanocapsules to improve drug efficacy for the treatment of toxoplasmosis. Parasitol Res 2013; 113:555-64. [PMID: 24292545 DOI: 10.1007/s00436-013-3715-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Accepted: 11/04/2013] [Indexed: 11/26/2022]
Abstract
We propose an innovative product based on the nanoencapsulation of pyrimethamine (PYR), aiming an improvement of drug efficacy for the treatment of toxoplasmosis. The in vitro cytotoxicity effect of encapsulated PYR and PYR-colloidal suspension was concomitantly evaluated against LLC-MK2 lineage and mouse peritoneal macrophage showing that the cells had similar tolerance for both PYR encapsulated or in the aqueous suspension. CF1 mice acutely infected with tachyzoites of Toxoplasma gondii RH strain treated with different doses (5.0-10 mg/kg/day) of PYR-nanocapsules had survival rate higher than the animals treated with the same doses of non-encapsulated PYR. Thus, encapsulation of PYR improved the efficacy of this drug against an acute model of toxoplasmosis in mice and can be considered an alternative for reducing the dose of PYR, which, in turn, could also reduce the side effects associated to the treatment.
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Affiliation(s)
- Kenia Pissinate
- Laboratório de Ultraestrutura Celular Hertha Meyer, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil,
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26
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Cuervo C, González J, Rives V, Vicente MA. Characterization of a sulfadiazine-induced lithiasis calculus by physicochemical techniques. AAPS PharmSciTech 2013; 14:128-32. [PMID: 23242555 DOI: 10.1208/s12249-012-9892-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2012] [Accepted: 11/05/2012] [Indexed: 11/30/2022] Open
Abstract
Currently available information on drug lithiasis usually describes the calculi based on the prescriptions given to the patient, but without a physicochemical characterization of the calculi themselves. We here have applied different, complementary, physicochemical techniques for a complete characterization of an unusual urolithiasis calculus. The calculus was characterized using powder X-ray diffraction, infrared spectroscopy, mass spectrometry, 1H-NMR spectroscopy, and scanning electron microscopy. The precise nature of the calculus was identified, being formed by N4-acetylsulfadiazine, so being related to the drugs prescribed to the patient. Analytical techniques widely used in laboratories of Materials Chemistry have proven to be useful tools for characterizing the chemical nature of unusual urolithiasis.
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27
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Poly(amidoamine) dendrimer-mediated synthesis and stabilization of silver sulfonamide nanoparticles with increased antibacterial activity. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2013; 9:85-93. [DOI: 10.1016/j.nano.2012.03.006] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2011] [Revised: 03/08/2012] [Accepted: 03/16/2012] [Indexed: 11/19/2022]
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28
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Liu J, Gray WD, Davis ME, Luo Y. Peptide- and saccharide-conjugated dendrimers for targeted drug delivery: a concise review. Interface Focus 2012; 2:307-24. [PMID: 23741608 PMCID: PMC3363024 DOI: 10.1098/rsfs.2012.0009] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Accepted: 02/24/2012] [Indexed: 01/01/2023] Open
Abstract
Dendrimers comprise a category of branched materials with diverse functions that can be constructed with defined architectural and chemical structures. When decorated with bioactive ligands made of peptides and saccharides through peripheral chemical groups, dendrimer conjugates are turned into nanomaterials possessing attractive binding properties with the cognate receptors. At the cellular level, bioactive dendrimer conjugates can interact with cells with avidity and selectivity, and this function has particularly stimulated interests in investigating the targeting potential of dendrimer materials for the design of drug delivery systems. In addition, bioactive dendrimer conjugates have so far been studied for their versatile capabilities to enhance stability, solubility and absorption of various types of therapeutics. This review presents a brief discussion on three aspects of the recent studies to use peptide- and saccharide-conjugated dendrimers for drug delivery: (i) synthesis methods, (ii) cell- and tissue-targeting properties and (iii) applications of conjugated dendrimers in drug delivery nanodevices. With more studies to elucidate the structure-function relationship of ligand-dendrimer conjugates in transporting drugs, the conjugated dendrimers hold promise to facilitate targeted delivery and improve drug efficacy for discovery and development of modern pharmaceutics.
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Affiliation(s)
- Jie Liu
- Department of Biomedical Engineering, College of Engineering, Peking University, Room 206, Fangzheng Building, 298 Chengfu Road, Haidian District, Beijing 100871, People's Republic of China
| | - Warren D. Gray
- Department of Biomedical Engineering, College of Engineering, Peking University, Room 206, Fangzheng Building, 298 Chengfu Road, Haidian District, Beijing 100871, People's Republic of China
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Room 2127, Atlanta, GA 30322-0535, USA
| | - Michael E. Davis
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Room 2127, Atlanta, GA 30322-0535, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Division of Cardiology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Ying Luo
- Department of Biomedical Engineering, College of Engineering, Peking University, Room 206, Fangzheng Building, 298 Chengfu Road, Haidian District, Beijing 100871, People's Republic of China
- National Engineering Laboratory for Regenerative and Implantable Medical Devices, Room 408, Building D, Guangzhou International Business Incubator, Guangzhou Science Park, Guangzhou 510663, People's Republic of China
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29
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Mishra V, Gupta U, Jain NK. Surface-Engineered Dendrimers: a Solution for Toxicity Issues. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2012; 20:141-66. [DOI: 10.1163/156856208x386246] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Vijay Mishra
- a Pharmaceutics Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour University, Sagar (M.P.) 470003, India
| | - Umesh Gupta
- b Pharmaceutics Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour University, Sagar (M.P.) 470003, India
| | - N. K. Jain
- c Pharmaceutics Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour University, Sagar (M.P.) 470003, India
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30
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Prieto MJ, Temprana CF, del Río Zabala NE, Marotta CH, Alonso SDV. Optimization and in vitro toxicity evaluation of G4 PAMAM dendrimer-risperidone complexes. Eur J Med Chem 2010; 46:845-50. [PMID: 21251731 DOI: 10.1016/j.ejmech.2010.12.021] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2010] [Revised: 11/14/2010] [Accepted: 12/17/2010] [Indexed: 11/15/2022]
Abstract
Risperidone is an approved antipsychotic drug belonging to the chemical class of benzisoxazole. This drug has low solubility in aqueous medium and poor bioavailability due to extensive first-pass metabolism and high protein binding (>90%). As new strategies to improve treatments efficiency are needed, we have studied cationic G4 PAMAM dendrimers' performance to act as efficient nanocarriers for this therapeutic drug. In this respect, we explored dendrimer-risperidone complexation dependence on solvent, temperature, pH and salt concentration, as well as in vitro cytotoxicity measured on L929 cell line and human red blood cells. The best dendrimer-risperidone incorporation was achieved when a mixture of 70:30 and 90:10 v/v chloroform:methanol was used, obtaining 17 and 32 risperidone molecules per dendrimer, respectively. No cytotoxicity on L929 cells was found when dendrimer concentration was below 3 × 10(-2) μM and risperidone concentration below 5.1 μM. Also, no significant hemolysis or morphological changes were observed on human red blood cells. Finally, attempting to obtain an efficient drug delivery system for risperidone, incorporation in G4 PAMAM dendrimers was optimized, improving drug solubility with low cytotoxicity.
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Affiliation(s)
- María Jimena Prieto
- Laboratorio de Biomembranas, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Roque Saenz Peña 352, Bernal, B1876BXD Buenos Aires, Argentina.
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31
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Peptide and glycopeptide dendrimers and analogous dendrimeric structures and their biomedical applications. Amino Acids 2010; 40:301-70. [DOI: 10.1007/s00726-010-0707-z] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2010] [Accepted: 07/15/2010] [Indexed: 02/08/2023]
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32
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Exploring the mechanism of beta-amyloid toxicity attenuation by multivalent sialic acid polymers through the use of mathematical models. J Theor Biol 2009; 258:189-97. [PMID: 19217912 DOI: 10.1016/j.jtbi.2009.02.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2008] [Revised: 12/11/2008] [Accepted: 02/05/2009] [Indexed: 01/17/2023]
Abstract
beta-Amyloid peptide (A beta), the primary protein component in senile plaques associated with Alzheimer's disease (AD), has been implicated in neurotoxicity associated with AD. Previous studies have shown that the A beta-neuronal membrane interaction plays a role in the mechanism of A beta toxicity. More specifically, it is thought that A beta interacts with ganglioside rich and sialic acid rich regions of cell surfaces. In light of such evidence, we have used a number of different sialic acid compounds of different valency or number of sialic acid moieties per molecule to attenuate A beta toxicity in a cell culture model. In this work, we proposed various mathematical models of A beta interaction with both the cell membrane and with the multivalent sialic acid compounds, designed to act as membrane mimics. These models allow us to explore the mechanism of action of this class of sialic acid membrane mimics in attenuating the toxicity of A beta. The mathematical models, when compared with experimental data, facilitate the discrimination between different modes of action of these materials. Understanding the mechanism of action of A beta toxicity inhibitors should provide insight into the design of the next generation of molecules that could be used to prevent A beta toxicity associated with AD.
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33
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Cheng Y, Xu T. The effect of dendrimers on the pharmacodynamic and pharmacokinetic behaviors of non-covalently or covalently attached drugs. Eur J Med Chem 2008; 43:2291-7. [DOI: 10.1016/j.ejmech.2007.12.021] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2007] [Revised: 12/07/2007] [Accepted: 12/07/2007] [Indexed: 10/22/2022]
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34
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Prieto M, Schilrreff P, Tesoriero MD, Morilla M, Romero E. Brain and muscle of Wistar rats are the main targets of intravenous dendrimeric sulfadiazine. Int J Pharm 2008; 360:204-12. [DOI: 10.1016/j.ijpharm.2008.04.045] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2008] [Revised: 04/16/2008] [Accepted: 04/17/2008] [Indexed: 11/17/2022]
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35
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Cheng Y, Wu Q, Li Y, Xu T. External Electrostatic Interaction versus Internal Encapsulation between Cationic Dendrimers and Negatively Charged Drugs: Which Contributes More to Solubility Enhancement of the Drugs? J Phys Chem B 2008; 112:8884-90. [DOI: 10.1021/jp801742t] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yiyun Cheng
- Laboratory of Functional Membranes, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China, Hefei National Laboratory for Physical Sciences at Microscale and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, China
| | - Qinglin Wu
- Laboratory of Functional Membranes, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China, Hefei National Laboratory for Physical Sciences at Microscale and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, China
| | - Yiwen Li
- Laboratory of Functional Membranes, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China, Hefei National Laboratory for Physical Sciences at Microscale and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, China
| | - Tongwen Xu
- Laboratory of Functional Membranes, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China, Hefei National Laboratory for Physical Sciences at Microscale and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, China
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36
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Interaction of pyrimethamine and sulfadiazine with ionic and neutral micelles: Electronic absorption and fluorescence studies. Colloids Surf A Physicochem Eng Asp 2008. [DOI: 10.1016/j.colsurfa.2008.04.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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37
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Development of photocrosslinked sialic acid containing polymers for use in Abeta toxicity attenuation. Biomaterials 2008; 29:3408-14. [PMID: 18508118 DOI: 10.1016/j.biomaterials.2008.05.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2008] [Accepted: 05/02/2008] [Indexed: 12/27/2022]
Abstract
beta-Amyloid peptide (Abeta), the primary protein component in senile plaques associated with Alzheimer's disease (AD), has been implicated in neurotoxicity associated with AD. Previous studies have shown that the Abeta-neuronal membrane interaction plays a crucial role in Abeta toxicity. More specifically, it is thought that Abeta interacts with ganglioside rich and sialic acid rich regions of cell surfaces. In light of such evidence, we have hypothesized that the Abeta-membrane sialic acid interaction could be inhibited through use of a biomimic multivalent sialic acid compound that would compete with the cell surface for Abeta binding. To explore this hypothesis, we synthesized a series of photocrosslinked sialic acid containing oligosaccharides and tested their ability to bind Abeta and attenuate Abeta toxicity in cell culture assays. We show that a polymer prepared via the photocrosslinking of disialyllacto-N-tetraose (DSLNT) was able to attenuate Abeta toxicity at low micromolar concentrations without adversely affecting the cell viability. Polymers prepared from mono-sialyl-oligosaccharides were less effective at Abeta toxicity attenuation. These results demonstrate the feasibility of using photocrosslinked sialyl-oligosaccharides for prevention of Abeta toxicity in vitro and may provide insight into the design of new materials for use in attenuation of Abeta toxicity associated with AD.
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de Araújo MVG, Vieira EKB, Silva Lázaro G, Conegero LS, Almeida LE, Barreto LS, da Costa NB, Gimenez IF. Sulfadiazine/hydroxypropyl-β-cyclodextrin host–guest system: Characterization, phase-solubility and molecular modeling. Bioorg Med Chem 2008; 16:5788-94. [DOI: 10.1016/j.bmc.2008.03.057] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2007] [Revised: 03/20/2008] [Accepted: 03/24/2008] [Indexed: 11/15/2022]
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Kolhatkar R, Sweet D, Ghandehari H. Functionalized Dendrimers as Nanoscale Drug Carriers. MULTIFUNCTIONAL PHARMACEUTICAL NANOCARRIERS 2008. [DOI: 10.1007/978-0-387-76554-9_7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Patel DA, Henry JE, Good TA. Attenuation of beta-amyloid-induced toxicity by sialic-acid-conjugated dendrimers: role of sialic acid attachment. Brain Res 2007; 1161:95-105. [PMID: 17604005 PMCID: PMC2031224 DOI: 10.1016/j.brainres.2007.05.055] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2007] [Revised: 05/21/2007] [Accepted: 05/21/2007] [Indexed: 12/22/2022]
Abstract
beta-Amyloid (Abeta) is the primary protein component of senile plaques in Alzheimer's disease and is believed to be associated with neurotoxicity in the disease. We and others have shown that Abeta binds with relatively high affinity to clustered sialic acid residues on cell surfaces and that removal of cell surface sialic acids attenuates Abeta toxicity. We have also shown that sialic acid functionalized dendrimeric polymers can act as mimics of cell surface sialic acid clusters and attenuate Abeta-induced neurotoxicity. In the current study, we prepared sialic-acid-conjugated dendrimers using a physiologically relevant attachment of the sialic acid to the dendrimeric termini, and evaluated the Abeta toxicity attenuation properties of the dendrimers. We compared performance of sialic-acid-conjugated dendrimeric polymers in which the sialic acid moieties were attached to dendrimeric termini via the anomeric hydroxyl group of the sialic acid, a physiological attachment, to polymers in which the attachment was made via the carboxylic acid group on the sialic acid, a non-physiological attachment. This work enhances our understanding of Abeta-cell surface binding and is a step towards the development of new classes of sequestering agents as therapeutics for the prevention of Abeta toxicity in AD.
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Affiliation(s)
- Dhara A Patel
- Department of Chemical and Biochemical Engineering, University of Maryland Baltimore County (UMBC), Baltimore, MD 21250, USA
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