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Park JW, Tian Y, Kim ST, Park C, Kim YM, Chung HK, Kim KM, Jahng GH. Oligomeric amyloid-β targeted contrast agent for MRI evaluation of Alzheimer's disease mouse models. Front Pharmacol 2024; 15:1392729. [PMID: 38895620 PMCID: PMC11184063 DOI: 10.3389/fphar.2024.1392729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 05/06/2024] [Indexed: 06/21/2024] Open
Abstract
Background Oligomeric amyloid beta (oAβ) is a toxic factor that acts in the early stage of Alzheimer's disease (AD) and may initiate the pathologic cascade. Therefore, detecting oAβ has a crucial role in the early diagnosis, monitoring, and treatment of AD. Purpose The purpose of this study was to evaluate MRI signal changes in different mouse models and the time-dependent signal changes using our novel gadolinium (Gd)-dodecane tetraacetic acid (DOTA)- ob5 aptamer contrast agent. Methods We developed an MRI contrast agent by conjugating Gd-DOTA-DNA aptamer called ob5 to evaluate its ability to detect oAβ deposits in the brain using MRI. A total of 10 control mice, 9 3xTg AD mice, and 11 APP/PS/Tau AD mice were included in this study, with the age of each model being 16 or 36 weeks. A T1-weighted image was acquired at the time points before (0 min) and after injection of the contrast agent at 5, 10, 15, 20, and 25 min. The analyses were performed to compare MRI signal differences among the three groups and the time-dependent signal differences in different mouse models. Results Both 3xTg AD and APP/PS/Tau AD mouse models had higher signal enhancement than control mice at all scan-time points after injection of our contrast media, especially in bilateral hippocampal areas. In particular, all Tg AD mouse models aged 16 weeks showed a higher contrast enhancement than those aged 36 weeks. For 3xTg AD and APP/PS/Tau AD groups, the signal enhancement was significantly different among the five time points (0 min, 5 min, 10 min, 15 min, 20 min, and 25 min) in multiple ROI areas, typically in the bilateral hippocampus, left thalamus, and left amygdala. Conclusion The findings of this study suggest that the expression of the contrast agent in different AD models demonstrates its translational flexibility across different species. The signal enhancement peaked around 15-20 min after injection of the contrast agent. Therefore, our novel contrast agent targeting oAβ has the potential ability to diagnose early AD and monitor the progression of AD.
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Affiliation(s)
- Jang Woo Park
- Korea Radioisotope Center for Pharmaceuticals, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Yunan Tian
- Department of Medicine, Graduate School, Kyung Hee University College of Medicine, Seoul, Republic of Korea
| | - Sang-Tae Kim
- J&Pharma, Neuroscience Research Institute, Healthcare Innovation Park, Seongnam City, Republic of Korea
| | - Chanwoo Park
- Korea Radioisotope Center for Pharmaceuticals, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Yu Mi Kim
- J&Pharma, Neuroscience Research Institute, Healthcare Innovation Park, Seongnam City, Republic of Korea
| | - Hye Kyung Chung
- Korea Radioisotope Center for Pharmaceuticals, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Kyeong Min Kim
- Korea Radioisotope Center for Pharmaceuticals, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
- Research Institute of Radiological and Medical Sciences, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
- Radiological and Medico Oncological Sciences, University of Science and Technology (UST), Seoul, Republic of Korea
| | - Geon-Ho Jahng
- Department of Radiology, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
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Li J, Long Q, Ding H, Wang Y, Luo D, Li Z, Zhang W. Progress in the Treatment of Central Nervous System Diseases Based on Nanosized Traditional Chinese Medicine. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308677. [PMID: 38419366 PMCID: PMC11040388 DOI: 10.1002/advs.202308677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/07/2024] [Indexed: 03/02/2024]
Abstract
Traditional Chinese Medicine (TCM) is widely used in clinical practice to treat diseases related to central nervous system (CNS) damage. However, the blood-brain barrier (BBB) constitutes a significant impediment to the effective delivery of TCM, thus substantially diminishing its efficacy. Advances in nanotechnology and its applications in TCM (also known as nano-TCM) can deliver active ingredients or components of TCM across the BBB to the targeted brain region. This review provides an overview of the physiological and pathological mechanisms of the BBB and systematically classifies the common TCM used to treat CNS diseases and types of nanocarriers that effectively deliver TCM to the brain. Additionally, drug delivery strategies for nano-TCMs that utilize in vivo physiological properties or in vitro devices to bypass or cross the BBB are discussed. This review further focuses on the application of nano-TCMs in the treatment of various CNS diseases. Finally, this article anticipates a design strategy for nano-TCMs with higher delivery efficiency and probes their application potential in treating a wider range of CNS diseases.
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Affiliation(s)
- Jing Li
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio‐Cerebral Diseases, School of Integrated Chinese and Western MedicineHunan University of Chinese MedicineChangshaHunan410208China
- Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing101400China
| | - Qingyin Long
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio‐Cerebral Diseases, School of Integrated Chinese and Western MedicineHunan University of Chinese MedicineChangshaHunan410208China
| | - Huang Ding
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio‐Cerebral Diseases, School of Integrated Chinese and Western MedicineHunan University of Chinese MedicineChangshaHunan410208China
| | - Yang Wang
- Institute of Integrative MedicineDepartment of Integrated Traditional Chinese and Western MedicineXiangya HospitalCentral South University ChangshaChangsha410008China
| | - Dan Luo
- Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing101400China
| | - Zhou Li
- Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing101400China
| | - Wei Zhang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio‐Cerebral Diseases, School of Integrated Chinese and Western MedicineHunan University of Chinese MedicineChangshaHunan410208China
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Lansangan C, Khoobchandani M, Jain R, Rudensky S, Perry CC, Patil R. Designing Gold Nanoparticles for Precise Glioma Treatment: Challenges and Alternatives. MATERIALS (BASEL, SWITZERLAND) 2024; 17:1153. [PMID: 38473623 DOI: 10.3390/ma17051153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/24/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024]
Abstract
Glioblastoma multiforme (GBM) is a glioma and the most aggressive type of brain tumor with a dismal average survival time, despite the standard of care. One promising alternative therapy is boron neutron capture therapy (BNCT), which is a noninvasive therapy for treating locally invasive malignant tumors, such as glioma. BNCT involves boron-10 isotope capturing neutrons to form boron-11, which then releases radiation directly into tumor cells with minimal damage to healthy tissues. This therapy lacks clinically approved targeted blood-brain-barrier-permeating delivery vehicles for the central nervous system (CNS) entry of therapeutic boron-10. Gold nanoparticles (GNPs) are selective and effective drug-delivery vehicles because of their desirable properties, facile synthesis, and biocompatibility. This review discusses biomedical/therapeutic applications of GNPs as a drug delivery vehicle, with an emphasis on their potential for carrying therapeutic drugs, imaging agents, and GBM-targeting antibodies/peptides for treating glioma. The constraints of GNP therapeutic efficacy and biosafety are discussed.
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Affiliation(s)
- Cedric Lansangan
- Division of Cancer Science, Departments of Basic Sciences and Neurosurgery, School of Medicine, Loma Linda University (LLU), 11175 Campus St., Loma Linda, CA 92350, USA
| | - Menka Khoobchandani
- Division of Cancer Science, Departments of Basic Sciences and Neurosurgery, School of Medicine, Loma Linda University (LLU), 11175 Campus St., Loma Linda, CA 92350, USA
| | - Ruchit Jain
- Department of Surgery, Government Medical College, Miraj 416410, India
| | - Serge Rudensky
- Division of Cancer Science, Departments of Basic Sciences and Neurosurgery, School of Medicine, Loma Linda University (LLU), 11175 Campus St., Loma Linda, CA 92350, USA
| | - Christopher C Perry
- Division of Biochemistry, Department of Basic Sciences, School of Medicine, Loma Linda University (LLU), 11175 Campus St., Loma Linda, CA 92350, USA
| | - Rameshwar Patil
- Division of Cancer Science, Departments of Basic Sciences and Neurosurgery, School of Medicine, Loma Linda University (LLU), 11175 Campus St., Loma Linda, CA 92350, USA
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Kolotyeva NA, Gilmiyarova FN, Averchuk AS, Baranich TI, Rozanova NA, Kukla MV, Tregub PP, Salmina AB. Novel Approaches to the Establishment of Local Microenvironment from Resorbable Biomaterials in the Brain In Vitro Models. Int J Mol Sci 2023; 24:14709. [PMID: 37834155 PMCID: PMC10572431 DOI: 10.3390/ijms241914709] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/19/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
The development of brain in vitro models requires the application of novel biocompatible materials and biopolymers as scaffolds for controllable and effective cell growth and functioning. The "ideal" brain in vitro model should demonstrate the principal features of brain plasticity like synaptic transmission and remodeling, neurogenesis and angiogenesis, and changes in the metabolism associated with the establishment of new intercellular connections. Therefore, the extracellular scaffolds that are helpful in the establishment and maintenance of local microenvironments supporting brain plasticity mechanisms are of critical importance. In this review, we will focus on some carbohydrate metabolites-lactate, pyruvate, oxaloacetate, malate-that greatly contribute to the regulation of cell-to-cell communications and metabolic plasticity of brain cells and on some resorbable biopolymers that may reproduce the local microenvironment enriched in particular cell metabolites.
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Affiliation(s)
| | - Frida N. Gilmiyarova
- Department of Fundamental and Clinical Biochemistry with Laboratory Diagnostics, Samara State Medical University, 443099 Samara, Russia
| | - Anton S. Averchuk
- Brain Science Institute, Research Center of Neurology, 125367 Moscow, Russia
| | - Tatiana I. Baranich
- Brain Science Institute, Research Center of Neurology, 125367 Moscow, Russia
| | | | - Maria V. Kukla
- Brain Science Institute, Research Center of Neurology, 125367 Moscow, Russia
| | - Pavel P. Tregub
- Brain Science Institute, Research Center of Neurology, 125367 Moscow, Russia
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Alla B. Salmina
- Brain Science Institute, Research Center of Neurology, 125367 Moscow, Russia
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Kim ST, Kim HG, Kim YM, Han HS, Cho JH, Lim SC, Lee T, Jahng GH. An aptamer-based magnetic resonance imaging contrast agent for detecting oligomeric amyloid-β in the brain of an Alzheimer's disease mouse model. NMR IN BIOMEDICINE 2023; 36:e4862. [PMID: 36308279 DOI: 10.1002/nbm.4862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/14/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
The oligomeric amyloid-β (oAβ) is a reliable feature for an early diagnosis of Alzheimer's disease (AD). Therefore, the objective of this study was to demonstrate imaging of oAβ deposits using our developed DNA aptamer called ob5 conjugated with gadolinium (Gd)-dodecane tetraacetic acid (DOTA) as a contrast agent for early diagnosis of AD using MRI. An oAβ-specific aptamer was developed by amide bond formation and conjugated to Gd-DOTA MRI contrast agent and/or cyanine5 (cy5). We verified the performance of our new contrast agent with an AD mouse model using in vivo and ex vivo fluorescent imaging and animal MRI experiments. The presence of soluble Aβ in 3xTg AD mice was detected using GdDOTA-ob5-cy5 probe ex vivo. Fluorescence intensities of the GdDOTA-ob5-cy5 contrast agent were high in the brains of 3xTg-AD mice, but relatively low in the brains of control mice. The GdDOTA-ob5 contrast agent had higher relaxivity than a clinically available contrast agent. T1-weighted MRI signals in 5-month-old 3xTg AD mice increased at 5 min, were prolonged until 10 min, then decreased 15 min after injecting the GdDOTA-ob5 contrast agent. Our targeted DNA aptamer GdDOTA-ob5 contrast agent could be potentially useful for validating the efficacy of a novel diagnostic contrast agent for selectively targeting neurotoxic oAβ. It could ultimately be used for early diagnosis of AD.
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Affiliation(s)
- Sang-Tae Kim
- Neuroscience of Lab., Biomedical Research Institute, Seoul National University College of Medicine, Seongnam City, Geonggido, Republic of Korea
| | - Hyug-Gi Kim
- Department of Radiology, Kyung Hee University Hospital, Seoul, Republic of Korea
| | - Yu Mi Kim
- Neuroscience of Lab., Biomedical Research Institute, Seoul National University College of Medicine, Seongnam City, Geonggido, Republic of Korea
| | - Ho-Seong Han
- Department of Surgery, Bundang Hospital of Seoul National University, Seongnam City, Kyunggeedo, Republic of Korea
| | - Jee-Hyun Cho
- Research Equipment Operations Division, Korea Basic Science Institute, Cheongju-si, Chungcheongbuk-do, Republic of Korea
| | - Sung-Chul Lim
- Department of Pathology, Chosun University Medical School, Gwangju, Republic of Korea
- Department of Education & Research, Chosun University Hospital, Gwangju, Republic of Korea
| | - Taekwan Lee
- Brain Research Core Facility, Korea Brain Research Institute, Daegu, Republic of Korea
| | - Geon-Ho Jahng
- Department of Radiology, Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea
- Department of Medicine, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
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Kumar A, Sudevan ST, Nair AS, Singh AK, Kumar S, Jose J, Behl T, Mangalathillam S, Mathew B, Kim H. Current and Future Nano-Carrier-Based Approaches in the Treatment of Alzheimer's Disease. Brain Sci 2023; 13:brainsci13020213. [PMID: 36831756 PMCID: PMC9953820 DOI: 10.3390/brainsci13020213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/18/2023] [Accepted: 01/23/2023] [Indexed: 01/31/2023] Open
Abstract
It is a very alarming situation for the globe because 55 million humans are estimated to be affected by Alzheimer's disease (AD) worldwide, and still it is increasing at the rapid speed of 10 million cases per year worldwide. This is an urgent reminder for better research and treatment due to the unavailability of a permanent medication for neurodegenerative disorders like AD. The lack of drugs for neurodegenerative disorder treatment is due to the complexity of the structure of the brain, mainly due to blood-brain barrier, because blood-brain drug molecules must enter the brain compartment. There are several novel and conventional formulation approaches that can be employed for the transportation of drug molecules to the target site in the brain, such as oral, intravenous, gene delivery, surgically implanted intraventricular catheter, nasal and liposomal hydrogels, and repurposing old drugs. A drug's lipophilicity influences metabolic activity in addition to membrane permeability because lipophilic substances have a higher affinity for metabolic enzymes. As a result, the higher a drug's lipophilicity is, the higher its permeability and metabolic clearance. AD is currently incurable, and the medicines available merely cure the symptoms or slow the illness's progression. In the next 20 years, the World Health Organization (WHO) predicts that neurodegenerative illnesses affecting motor function will become the second-leading cause of mortality. The current article provides a brief overview of recent advances in brain drug delivery for AD therapy.
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Affiliation(s)
- Astik Kumar
- Department of Pharmaceutics, Amrita School of Pharmacy, AIMS Health Sciences Campus, Amrita Vishwa Vidyapeetham, Kochi 682041, India
| | - Sachithra Thazhathuveedu Sudevan
- Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, AIMS Health Sciences Campus, Amrita Vishwa Vidyapeetham, Kochi 682041, India
| | - Aathira Sujathan Nair
- Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, AIMS Health Sciences Campus, Amrita Vishwa Vidyapeetham, Kochi 682041, India
| | - Ashutosh Kumar Singh
- Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, AIMS Health Sciences Campus, Amrita Vishwa Vidyapeetham, Kochi 682041, India
| | - Sunil Kumar
- Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, AIMS Health Sciences Campus, Amrita Vishwa Vidyapeetham, Kochi 682041, India
| | - Jobin Jose
- Department of Pharmaceutics, NGSM Institute of Pharmaceutical Science, NITTE Deemed to be University, Mangalore 575018, India
| | - Tapan Behl
- School of Health Science and Technology, University of Petroleum and Energy Studies, Dehradun 248007, India
| | - Sabitha Mangalathillam
- Department of Pharmaceutics, Amrita School of Pharmacy, AIMS Health Sciences Campus, Amrita Vishwa Vidyapeetham, Kochi 682041, India
- Correspondence: (S.M.); or (B.M.); (H.K.)
| | - Bijo Mathew
- Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, AIMS Health Sciences Campus, Amrita Vishwa Vidyapeetham, Kochi 682041, India
- Correspondence: (S.M.); or (B.M.); (H.K.)
| | - Hoon Kim
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon 57922, Republic of Korea
- Correspondence: (S.M.); or (B.M.); (H.K.)
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Smirnova E, Moniruzzaman M, Chin S, Sureshbabu A, Karthikeyan A, Do K, Min T. A Review of the Role of Curcumin in Metal Induced Toxicity. Antioxidants (Basel) 2023; 12:antiox12020243. [PMID: 36829803 PMCID: PMC9952547 DOI: 10.3390/antiox12020243] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 01/26/2023] Open
Abstract
Metal toxicity poses a potential global threat to the environment and living beings. Their numerous agricultural, medical, industrial, domestic, and technological applications result in widespread distribution in the environment which raises concern on the potential effects of metals in terms of health hazards and environmental pollution. Chelation therapy has been the preferred medical treatment for metal poisoning. The chelating agent bounds metal ions to form complex cyclic structures known as 'chelates' to intensify their excretion from the body. The main disadvantage of synthetic chelators is that the chelation process removes vital nutrients along with toxic metals. Natural compounds are widely available, economical, and have minimal adverse effects compared to classical chelators. Herbal preparations can bind to the metal, reduce its absorption in the intestines, and facilitate excretion from the body. Curcumin, a bioactive substance in turmeric, is widely used as a dietary supplement. Most studies have shown that curcumin protects against metal-induced lipid peroxidation and mitigates adverse effects on the antioxidant system. This review article provides an analysis to show that curcumin imparts promising metal toxicity-ameliorative effects that are related to its intrinsic antioxidant activity.
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Affiliation(s)
- Elena Smirnova
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) & Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Republic of Korea
| | - Mohammad Moniruzzaman
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) & Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Republic of Korea
- Correspondence: (M.M.); (T.M.)
| | - Sungyeon Chin
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) & Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Republic of Korea
| | - Anjana Sureshbabu
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) & Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Republic of Korea
| | - Adhimoolam Karthikeyan
- Subtropical Horticulture Research Institute, Jeju National University, Jeju 63243, Republic of Korea
| | - Kyoungtag Do
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) & Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Republic of Korea
| | - Taesun Min
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) & Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Republic of Korea
- Correspondence: (M.M.); (T.M.)
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Laurindo LF, de Carvalho GM, de Oliveira Zanuso B, Figueira ME, Direito R, de Alvares Goulart R, Buglio DS, Barbalho SM. Curcumin-Based Nanomedicines in the Treatment of Inflammatory and Immunomodulated Diseases: An Evidence-Based Comprehensive Review. Pharmaceutics 2023; 15:pharmaceutics15010229. [PMID: 36678859 PMCID: PMC9861982 DOI: 10.3390/pharmaceutics15010229] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/05/2023] [Accepted: 01/07/2023] [Indexed: 01/12/2023] Open
Abstract
Curcumin (CUR) is a polyphenol extracted from the rhizome of Curcuma longa that possesses potent anti-inflammatory and antioxidant potential. Despite CUR's numerous beneficial effects on human health, it has limitations, such as poor absorption. Nano-based drug delivery systems have recently been applied to improve CUR's solubility and bioavailability and potentialize its health effects. This review investigated the effects of different CUR-based nanomedicines on inflammatory and immunomodulated diseases. PUBMED, EMBASE, COCHRANE, and GOOGLE SCHOLAR databases were searched, and the Scale for Assessment of Narrative Review Articles (SANRA) was used for quality assessment and PRISMA guidelines. Overall, 66 studies were included comprising atherosclerosis, rheumatoid arthritis (RA), Alzheimer's disease (AD), Parkinson's disease (PD), multiple sclerosis (MS), Huntington's disease (HD), inflammatory bowel diseases (IBD), psoriasis, liver fibrosis, epilepsy, and COVID-19. The available scientific studies show that there are many known nanoformulations with curcumin. They can be found in nanosuspensions, nanoparticles, nanoemulsions, solid lipid particles, nanocapsules, nanospheres, and liposomes. These formulations can improve CUR bioavailability and can effectively be used as adjuvants in several inflammatory and immune-mediated diseases such as atheroma plaque formation, RA, dementia, AD, PD, MS, IBD, psoriasis, epilepsy, COVID-19, and can be used as potent anti-fibrotic adjuvants in fibrotic liver disease.
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Affiliation(s)
- Lucas Fornari Laurindo
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Hygino Muzzy Filho, 1001, Marília, São Paulo 17525-902, Brazil
| | - Gabriel Magno de Carvalho
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Hygino Muzzy Filho, 1001, Marília, São Paulo 17525-902, Brazil
| | - Bárbara de Oliveira Zanuso
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Hygino Muzzy Filho, 1001, Marília, São Paulo 17525-902, Brazil
| | - Maria Eduardo Figueira
- Laboratory of Systems Integration Pharmacology, Clinical & Regulatory Science, Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
- Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Rosa Direito
- Laboratory of Systems Integration Pharmacology, Clinical & Regulatory Science, Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
- Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Ricardo de Alvares Goulart
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Hygino Muzzy Filho, 1001, Marília, São Paulo 17525-902, Brazil
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, University of Marília (UNIMAR), Avenida Hygino Muzzy Filho, 1001, Marília, São Paulo 17525-902, Brazil
| | - Daiene Santos Buglio
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, University of Marília (UNIMAR), Avenida Hygino Muzzy Filho, 1001, Marília, São Paulo 17525-902, Brazil
| | - Sandra Maria Barbalho
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Hygino Muzzy Filho, 1001, Marília, São Paulo 17525-902, Brazil
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, University of Marília (UNIMAR), Avenida Hygino Muzzy Filho, 1001, Marília, São Paulo 17525-902, Brazil
- Department of Biochemistry and Nutrition, School of Food and Technology of Marília (FATEC), Avenida Castro Alves, 62, Marília, São Paulo 17500-000, Brazil
- Correspondence: ; Tel.: +55-14-99655-3190
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Study of polyvinyl alcohol/polymalic acid hydrogel dressing pads incorporated with curcumin as chronic wound dressing. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04494-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Wearable Natural Rubber Latex Gloves with Curcumin for Torn Glove Detection in Clinical Settings. Polymers (Basel) 2022; 14:polym14153048. [PMID: 35956563 PMCID: PMC9370823 DOI: 10.3390/polym14153048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 12/04/2022] Open
Abstract
Glove tear or perforation is a common occurrence during various activities that require gloves to be worn, posing a significant risk to the wearer and possibly others. This is vitally important in a clinical environment and particularly during surgical procedures. When a glove perforation occurs (and is noticed), the glove must be replaced as soon as possible; however, it is not always noticeable. The present article is focused on the design and development of a novel fluorescence-based sensing mechanism, which is integrated within the glove topology, to help alert the wearer of a perforation in situ. We hypothesized that natural rubber gloves with curcumin infused would yield fluorescence when the glove is damaged, particularly when torn or punctured. The glove design is based on double-dipping between Natural Rubber Latex (NRL) and an inner layer of latex mixed with curcumin, which results in a notable bright yellow-green emission when exposed to UV light. Curcumin (Cur) is a phenolic chemical found primarily in turmeric that fluoresces yellowish-green at 525 nm. The tear region on the glove will glow, indicating the presence of a Cur coating/dipping layer beneath. NRL film is modified by dipping it in a Cur dispersion solution mixed with NRL for the second dipping layer. Using Cur as a filler in NRL also has the distinct advantage of allowing the glove to be made stronger by evenly distributing it throughout the rubber phase. Herein, the optimized design is fully characterized, including physicochemical (fluorescence emission) and mechanical (tensile and tear tests) properties, highlighting the clear potential of this novel and low-cost approach for in situ torn glove detection.
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Huang X, Xu L, Qian H, Wang X, Tao Z. Polymalic acid for translational nanomedicine. J Nanobiotechnology 2022; 20:295. [PMID: 35729582 PMCID: PMC9210645 DOI: 10.1186/s12951-022-01497-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 06/07/2022] [Indexed: 11/10/2022] Open
Abstract
With rich carboxyl groups in the side chain, biodegradable polymalic acid (PMLA) is an ideal delivery platform for multifunctional purposes, including imaging diagnosis and targeting therapy. This polymeric material can be obtained via chemical synthesis, or biological production where L-malic acids are polymerized in the presence of PMLA synthetase inside a variety of microorganisms. Fermentative methods have been employed to produce PMLAs from biological sources, and analytical assessments have been established to characterize this natural biopolymer. Further functionalized, PMLA serves as a versatile carrier of pharmaceutically active molecules at nano scale. In this review, we first delineate biosynthesis of PMLA in different microorganisms and compare with its chemical synthesis. We then introduce the biodegradation mechanism PMLA, its upscaled bioproduction together with characterization. After discussing advantages and disadvantages of PMLA as a suitable delivery carrier, and strategies used to functionalize PMLA for disease diagnosis and therapy, we finally summarize the current challenges in the biomedical applications of PMLA and envisage the future role of PMLA in clinical nanomedicine. The biosynthesis of polymalic acid (PMLA) and its biotechnical high-grade production from microorganisms compared with the chemical synthesis of PMLA The physicochemical and biological characteristics of PMLA and its derivatives How PMLA’s general chemical characteristics can be used to generate various macromolecular compounds for pharmaceutical delivery The concepts of biological and clinical targeting exemplified by PMLA-based drugs and imaging agents and their biodistribution and biodegradability An evaluation of the mechanisms that generate preclinical antitumor efficacy and the translational potential for clinical imaging
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Affiliation(s)
- Xing Huang
- Center for Evidence-Based and Translational Medicine, Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China
| | - Liusheng Xu
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, 212013, Jiangsu, China
| | - Hui Qian
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, 212013, Jiangsu, China.,Zhenjiang Key Laboratory of High Technology Research On Exosomes Foundation and Transformation Application, School of Medicine, Jiangsu University, Zhenjiang, 212013, Jiangsu, China
| | - Xinghuan Wang
- Center for Evidence-Based and Translational Medicine, Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China.
| | - Zhimin Tao
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, 212013, Jiangsu, China. .,Zhenjiang Key Laboratory of High Technology Research On Exosomes Foundation and Transformation Application, School of Medicine, Jiangsu University, Zhenjiang, 212013, Jiangsu, China.
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12
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Synthesis, antibacterial evaluation and in silico study of DOTA-fluoroquinolone derivatives. Med Chem Res 2022. [DOI: 10.1007/s00044-022-02869-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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13
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Utomo RY, Okada S, Sumiyoshi A, Aoki I, Nakamura H. Development of an MRI contrast agent for both detection and inhibition of the amyloid-β fibrillation process. RSC Adv 2022; 12:5027-5030. [PMID: 35425501 PMCID: PMC8981495 DOI: 10.1039/d2ra00614f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 02/01/2022] [Indexed: 11/21/2022] Open
Abstract
A curcumin derivative conjugated with Gd-DO3A (Gd-DO3A-Comp.B) was synthesised as an MRI contrast agent for detecting the amyloid-β (Aβ) fibrillation process. Gd-DO3A-Comp.B inhibited Aβ aggregation significantly and detected the fibril growth at 20 μM of Aβ with 10 μM of probe concentration by T1-weighted MR imaging. A curcumin derivative conjugated with Gd-DO3A (Gd-DO3A-Comp.B) was developed to significantly inhibit the amyloid-β (Aβ) aggregation and detect the fibril growth by T1-weighted MR imaging.![]()
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Affiliation(s)
- Rohmad Yudi Utomo
- School of Life Science and Technology, Tokyo Institute of Technology 4259 Nagatsuta, Midori Yokohama Kanagawa 226-8503 Japan
| | - Satoshi Okada
- School of Life Science and Technology, Tokyo Institute of Technology 4259 Nagatsuta, Midori Yokohama Kanagawa 226-8503 Japan.,Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology 4259 Nagatsuta, Midori Yokohama Kanagawa 226-8503 Japan .,JST, PRESTO 4259 Nagatsuta, Midori Yokohama Kanagawa 226-8503 Japan
| | - Akira Sumiyoshi
- Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology 4-9-1 Anagawa, Inage Chiba 263-8555 Japan
| | - Ichio Aoki
- Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology 4-9-1 Anagawa, Inage Chiba 263-8555 Japan
| | - Hiroyuki Nakamura
- School of Life Science and Technology, Tokyo Institute of Technology 4259 Nagatsuta, Midori Yokohama Kanagawa 226-8503 Japan.,Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology 4259 Nagatsuta, Midori Yokohama Kanagawa 226-8503 Japan
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14
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Dogra A, Narang RS, Narang JK. Recent Advances in Nanotherapeutic Interventions for the Treatment of Alzheimer's Disease. Curr Pharm Des 2020; 26:2257-2279. [PMID: 32321393 DOI: 10.2174/1381612826666200422092620] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Accepted: 03/06/2020] [Indexed: 12/17/2022]
Abstract
Alzheimer's disease (AD), with impairment of learning and memory as the common clinical manifestations, is one of the most challenging diseases affecting individuals, their families and society as a whole. The fact that its prevalence is escalating rapidly, with the total number of AD patients estimated to reach 115.4 million by 2050, has made the disease a very challenging ailment worldwide. Several biological barriers like the bloodbrain barrier (BBB), drug efflux by P-glycoprotein and the blood-cerebrospinal fluid barrier restrict the delivery of conventional AD drugs to the central nervous system (CNS), thereby limiting their effectiveness. In order to overcome the above physiological barriers, the development of nanomedicines has been extensively explored. The present review provides an insight into the pathophysiology of AD and risk factors associated with AD. Besides, various nanoformulations reported in the literature for the diagnosis and treatments of AD have been classified and summarised. The patented nanoformulations for AD and details of nanoformulations which are in clinical trials are also mentioned. The review would be helpful to researchers and scientific community by providing them with information related to the recent advances in nanointerventions for the diagnosis and treatment of AD, which they can further explore for better management of the disease. However, although the nanotherapeutics for managing AD have been extensively explored, the factors which hinder their commercialisation, the toxicity concern being one of them, need to be addressed so that effective nanotherapeutics for AD can be developed for clinical use.
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Affiliation(s)
- Anmol Dogra
- Department of Pharmaceutics, Khalsa College of Pharmacy, Amritsar, Punjab, India.,I.K. Gujral Punjab Technical University, Kapurthala, Punjab, India
| | - R S Narang
- Department of Oral & Maxillofacial Pathology and Microbiology, Sri Guru Ram Das Institute of Dental Sciences and Research, Amritsar, Punjab, India
| | - Jasjeet K Narang
- Department of Pharmaceutics, Khalsa College of Pharmacy, Amritsar, Punjab, India
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15
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Zou X, Li S, Wang P, Li B, Feng Y, Yang ST. Sustainable production and biomedical application of polymalic acid from renewable biomass and food processing wastes. Crit Rev Biotechnol 2020; 41:216-228. [PMID: 33153315 DOI: 10.1080/07388551.2020.1844632] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Polymalic acid (PMA), a homopolymer of L-malic acid (MA) generated from a yeast-like fungus Aureobasidium pullulans, has unique properties and many applications in food, biomedical, and environmental fields. Acid hydrolysis of PMA, releasing the monomer MA, has become a novel process for the production of bio-based MA, which currently is produced by chemical synthesis using petroleum-derived feedstocks. Recently, current researches attempted to develop economically competitive process for PMA and MA production from renewable biomass feedstocks. Compared to lignocellulosic biomass, PMA and MA production from low-value food processing wastes or by-products, generated from corn, sugarcane, or soybean refinery industries, showed more economical and sustainable for developing a MA derivatives platform from biomass biorefinery to chemical conversion. In the review, we compared the process feasibility for PMA fermentation with lignocellulosic biomass and food process wastes. Some useful strategies for metabolic engineering are summarized. Its changeable applicability and future prospects in food and biomedical fields are also discussed.
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Affiliation(s)
- Xiang Zou
- College of Pharmaceutical Sciences, Southwest University, Chongqing, P. R. China
| | - Shanshan Li
- College of Pharmaceutical Sciences, Southwest University, Chongqing, P. R. China
| | - Pan Wang
- College of Pharmaceutical Sciences, Southwest University, Chongqing, P. R. China
| | - Bingqin Li
- College of Pharmaceutical Sciences, Southwest University, Chongqing, P. R. China
| | - Yingying Feng
- College of Pharmaceutical Sciences, Southwest University, Chongqing, P. R. China
| | - Shang-Tian Yang
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH, USA
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16
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Sherin S, Balachandran S, Abraham A. Curcumin incorporated titanium dioxide nanoparticles as MRI contrasting agent for early diagnosis of atherosclerosis- rat model. Vet Anim Sci 2020; 10:100090. [PMID: 32734023 PMCID: PMC7386685 DOI: 10.1016/j.vas.2020.100090] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 12/05/2019] [Accepted: 01/06/2020] [Indexed: 02/07/2023] Open
Abstract
MRI is an excellent diagnostic technique for atherosclerosis in a non-invasive manner. Application of contrasting agents can improve its contrast through ionic properties. Macrophages and foam cells produce MCP-1 antibody, the sign of development of atherosclerosis. The work aims to develop novel curcumin incorporated titanium dioxide nanoparticles (CTNPs) conjugated with MCP-1 antibody with the specific targeting capability to macrophage-foam cells as contrasting agent for MRI. In vivo toxicity studies of Curcumin, TNPs and CTNPs were also done in Sprague dawley rats by GGT and ALP assays and found to be normal in comparison with control. Histopathology of aorta confirmed that the compound could not elicit a toxic effect in the target organ. Rats were fed with a high cholesterol diet to develop atherosclerotic foam cells and confirmed by Sudan IV staining and serum cholesterol level. CTNP-MCP-1 was injected into animals through tail vein and MRI scanning was done, gave contrasting images of atherosclerotic aorta in comparison with normal. Thus CTNPs can be used as a cost-effective contrasting tool for diagnosis of atherosclerosis at early stages in view of clinical imaging.
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Key Words
- ALP, Alkaline Phosphatase
- Atherosclerosis
- CTNPs, Curcumin incorporated Titanium dioxide Nanoparticles
- Curcumin
- DLS, Dynamic Light Scattering
- EDAX, Energy Dispersive Spectroscopy
- FTIR, Fourier Transform Infrared Spectroscopy
- GGT, Gamma Glutamyl Transpeptidase
- HDL, High Density Lipoproteins
- MCP-1, Monocyte Chemoattractant Protein1
- MRI
- MRI, Magnetic Resonance Imaging
- Macrophage
- SEM, Scanning Electron Microscope
- TC, Total Cholesterol
- TG, triglycerides
- TNPs, Titanium dioxide Nanoparticle
- Titanium dioxide
- XRD, X-ray Diffraction Spectroscopy
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Affiliation(s)
- Sainulabdeen Sherin
- Department of Biochemistry, University of Kerala, Kariavattom, Thiruvananthapuram 695581, India
| | | | - Annie Abraham
- Department of Biochemistry, University of Kerala, Kariavattom, Thiruvananthapuram 695581, India
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17
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Ulanova M, Poljak A, Wen W, Bongers A, Gloag L, Gooding J, Tilley R, Sachdev P, Braidy N. Nanoparticles as contrast agents for the diagnosis of Alzheimer’s disease: a systematic review. Nanomedicine (Lond) 2020; 15:725-743. [DOI: 10.2217/nnm-2019-0316] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Nanoparticle (NP)-based magnetic contrast agents have opened the potential for MRI to be used for early diagnosis of Alzheimer’s disease (AD). This article aims to review the current progress of research in this field. A comprehensive literature search was performed based on PubMed, Medline, EMBASE, PsychINFO and Scopus databases using the following terms: ‘Alzheimer’s disease’ AND ‘nanoparticles’ AND ‘Magnetic Resonance Imaging.’ 33 studies were included that described the development and utility of various NPs for AD imaging, including their coating, functionalization, MRI relaxivity, toxicity and bioavailability. NPs show immense promise for neuroimaging, due to superior relaxivity and biocompatibility compared with currently available imaging agents. Consistent reporting is imperative for further progress in this field.
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Affiliation(s)
- Marina Ulanova
- Centre for Healthy Brain Ageing, School of Psychiatry, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Anne Poljak
- Centre for Healthy Brain Ageing, School of Psychiatry, The University of New South Wales, Sydney, NSW, 2052, Australia
- Mark Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW, 2052, Australia
- School of Medical Sciences, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Wei Wen
- Centre for Healthy Brain Ageing, School of Psychiatry, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Andre Bongers
- Mark Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW, 2052, Australia
- Biological Resources Imaging Laboratory, Mark Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Lucy Gloag
- School of Chemistry, The University of New South Wales, Sydney, NSW, 2052, Australia
- Australian Centre for NanoMedicine, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Justin Gooding
- School of Chemistry, The University of New South Wales, Sydney, NSW, 2052, Australia
- Australian Centre for NanoMedicine, The University of New South Wales, Sydney, NSW, 2052, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Richard Tilley
- Mark Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW, 2052, Australia
- School of Chemistry, The University of New South Wales, Sydney, NSW, 2052, Australia
- Australian Centre for NanoMedicine, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Perminder Sachdev
- Centre for Healthy Brain Ageing, School of Psychiatry, The University of New South Wales, Sydney, NSW, 2052, Australia
- Neuropsychiatric Institute, Euroa Centre, Prince of Wales Hospital, Sydney, NSW, 2052, Australia
| | - Nady Braidy
- Centre for Healthy Brain Ageing, School of Psychiatry, The University of New South Wales, Sydney, NSW, 2052, Australia
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18
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Iron chelation by curcumin suppresses both curcumin-induced autophagy and cell death together with iron overload neoplastic transformation. Cell Death Discov 2019; 5:150. [PMID: 31839992 PMCID: PMC6901436 DOI: 10.1038/s41420-019-0234-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 10/24/2019] [Accepted: 11/11/2019] [Indexed: 12/13/2022] Open
Abstract
Iron overload, notably caused by hereditary hemochromatosis, is an excess storage of iron in various organs that causes tissue damage and may promote tumorigenesis. To manage that disorder, free iron depletion can be induced by iron chelators like deferoxamine that are of increasing interest also in the cancer field since iron stock could be a potent target for managing tumorigenesis. Curcumin, a well-known active substance extracted from the turmeric rhizome, destabilizes endoplasmic reticulum, and secondarily lysosomes, thereby increasing mitophagy/autophagy and subsequent apoptosis. Recent findings show that cells treated with curcumin also exhibit a decrease in ferritin, which is consistent with its chemical structure and iron chelating activity. Here we investigated how curcumin influences the intracellular effects of iron overload via Fe-nitriloacetic acid or ferric ammonium citrate loading in Huh-7 cells and explored the consequences in terms of antioxidant activity, autophagy, and apoptotic signal transduction. In experiments with T51B and RL-34 epithelial cells, we have found evidence that curcumin-iron complexation abolishes both curcumin-induced autophagy and apoptosis, together with the tumorigenic action of iron overload.
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19
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Harilal S, Jose J, Parambi DGT, Kumar R, Mathew GE, Uddin MS, Kim H, Mathew B. Advancements in nanotherapeutics for Alzheimer’s disease: current perspectives. J Pharm Pharmacol 2019; 71:1370-1383. [DOI: 10.1111/jphp.13132] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 06/15/2019] [Indexed: 02/06/2023]
Abstract
Abstract
Objectives
Considerable progress has been made in the treatment of Alzheimer’s disease (AD), but all available strategies focus on alleviating symptoms rather than curing, which means that AD is viewed as an unresolvable neurodegenerative disease. Nanotechnological applications offer an alternative platform for the treatment of neurodegenerative diseases. This review aims to summarize the recent nanomedicine and nanotechnology developments for the treatment of AD.
Key findings
A plethora of nanocarriers and nanoparticle prodrugs have been reported to have negligible cytotoxicity in animal models, and these developments have revealed new opportunities for development of new classes of potent drug formulations for AD. Different nanotechnology-based approaches such as polymers, emulsions, lipo-carriers, solid lipid carriers, carbon nanotubes and metal-based carriers have been developed over the past decade, and they have been focusing on both neuroprotective and neurogenerative techniques to treat AD. Studies also reveal that nanotechnological approaches can aid in early diagnosis of AD and enhance therapeutic efficacy and bioavailability.
Summary
Notably, the drugs used conventionally to target the central nervous system have limitations that include an inability to cross the ‘blood–brain barrier’ or the ‘blood–cerebrospinal fluid barrier’ effectively and high drug efflux due to the activity of P-glycoprotein, but these limitations can be successfully overcome when nanocarriers are used for targeted drug delivery in AD.
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Affiliation(s)
- Seetha Harilal
- Kerala University of Health Sciences, Thrissur, Kerala, India
| | - Jobin Jose
- Department of Pharmaceutics, NGSM Institute of Pharmaceutical Science, NITTE Deemed to be University, Mangalore, India
| | | | - Rajesh Kumar
- Kerala University of Health Sciences, Thrissur, Kerala, India
| | | | - Md Sahab Uddin
- Department of Pharmacy, Southeast University, Dhaka, Bangladesh
- Pharmakon Neuroscience Research Network, Dhaka, Bangladesh
| | - Hoon Kim
- Department of Pharmacy, Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, Korea
| | - Bijo Mathew
- Division of Drug Design, Medicinal Chemistry Research Lab, Department of Pharmaceutical Chemistry, Ahalia School of Pharmacy, Palakkad, Kerala, India
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20
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Khorasani MY, Langari H, Sany SBT, Rezayi M, Sahebkar A. The role of curcumin and its derivatives in sensory applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 103:109792. [PMID: 31349416 DOI: 10.1016/j.msec.2019.109792] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 05/24/2019] [Accepted: 05/24/2019] [Indexed: 12/20/2022]
Abstract
Curcumin has recently attracted much attention due to the wide range of its physiological actions such as anti-tumor, anti-inflammatory, anti-thrombotic, anti-diabetic and anti-microbial effects. This phytochemical can be used as a sensing material for the detection of chemicals due to its optical properties as a fluorescent polyphenol. Curcumin and its derivatives can make complexes with many cations such as Cu2+, Fe2+, Hg2+, Pt2+, Re3+ and Al3+via bearing 1,3-diketones with keto-enol isomerization. The complexation of curcumin with certain metal ions leads to its solubility in water and producing various hues of colors as well as cytotoxic and antimicrobial effects. Curcumin can also form complexes with certain metal ions and thus serve as a chelating agent for anions such as ClO-, CN-, F- and S2-. Moreover, conjugation of curcumin with some organic compounds such as cysteine and poly-glycerol acrylate provides an efficient fluorescence detection system for picric acid and 2-vinyl pyridine in aqueous media. In this review, we focused on curcumin as a key element in a membrane composition of chemical sensors. In addition, the latest sensing platforms based on curcumin and its derivatives are briefly described.
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Affiliation(s)
| | - Hadis Langari
- Department of Medical Biotechnology and Nanotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Majid Rezayi
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Biotechnology and Nanotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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21
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Feng J, Yang J, Yang W, Chen J, Jiang M, Zou X. Metabolome- and genome-scale model analyses for engineering of Aureobasidium pullulans to enhance polymalic acid and malic acid production from sugarcane molasses. BIOTECHNOLOGY FOR BIOFUELS 2018; 11:94. [PMID: 29632554 PMCID: PMC5883625 DOI: 10.1186/s13068-018-1099-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Accepted: 03/26/2018] [Indexed: 06/05/2023]
Abstract
BACKGROUND Polymalic acid (PMA) is a water-soluble biopolymer with many attractive properties for food and pharmaceutical applications mainly produced by the yeast-like fungus Aureobasidium pullulans. Acid hydrolysis of PMA, resulting in release of the monomer l-malic acid (MA), which is widely used in the food and chemical industry, is a competitive process for producing bio-based platform chemicals. RESULTS In this study, the production of PMA and MA from sucrose and sugarcane molasses by A. pullulans was studied in shake flasks and bioreactors. Comparative metabolome analysis of sucrose- and glucose-based fermentation identified 81 intracellular metabolites and demonstrated that pyruvate from the glycolysis pathway may be a key metabolite affecting PMA synthesis. In silico simulation of a genome-scale metabolic model (iZX637) further verified that pyruvate carboxylase (pyc) via the reductive tricarboxylic acid cycle strengthened carbon flux for PMA synthesis. Therefore, an engineered strain, FJ-PYC, was constructed by overexpressing the pyc gene, which increased the PMA titer by 15.1% compared with that from the wild-type strain in a 5-L stirred-tank fermentor. Sugarcane molasses can be used as an economical substrate without any pretreatment or nutrient supplementation. Using fed-batch fermentation of FJ-PYC, we obtained the highest PMA titers (81.5, 94.2 g/L of MA after hydrolysis) in 140 h with a corresponding MA yield of 0.62 g/g and productivity of 0.67 g/L h. CONCLUSIONS We showed that integrated metabolome- and genome-scale model analyses were an effective approach for engineering the metabolic node for PMA synthesis, and also developed an economical and green process for PMA and MA production from renewable biomass feedstocks.
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Affiliation(s)
- Jun Feng
- College of Pharmaceutical Sciences, Chongqing Engineering Research Center for Pharmaceutical Process and Quality Control, Southwest University, 2 Tian Sheng Road, Beibei, Chongqing, 400715 People’s Republic of China
| | - Jing Yang
- College of Pharmaceutical Sciences, Chongqing Engineering Research Center for Pharmaceutical Process and Quality Control, Southwest University, 2 Tian Sheng Road, Beibei, Chongqing, 400715 People’s Republic of China
| | - Wenwen Yang
- College of Pharmaceutical Sciences, Chongqing Engineering Research Center for Pharmaceutical Process and Quality Control, Southwest University, 2 Tian Sheng Road, Beibei, Chongqing, 400715 People’s Republic of China
| | - Jie Chen
- Wuhan Sunhy Biology Co., Ltd, Wuhan, 430074 People’s Republic of China
- School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology, Wuhan, 430205 People’s Republic of China
| | - Min Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816 People’s Republic of China
| | - Xiang Zou
- College of Pharmaceutical Sciences, Chongqing Engineering Research Center for Pharmaceutical Process and Quality Control, Southwest University, 2 Tian Sheng Road, Beibei, Chongqing, 400715 People’s Republic of China
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22
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Amyloid β-targeted metal complexes for potential applications in Alzheimer's disease. Future Med Chem 2018; 10:679-701. [DOI: 10.4155/fmc-2017-0248] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Alzheimer's disease (AD) is currently an incurable neurodegenerative disorder that affects millions of people around the world. The aggregation of amyloid-β peptides (Aβ), one of the primary pathological hallmarks of AD, plays a key role in the AD pathogenesis. In this regard, Aβ aggregates have been considered as both biomarkers and drug targets for the diagnosis and therapy of AD. Various Aβ-targeted metal complexes have exhibited promising potential as anti-AD agents due to their fascinating physicochemical properties over the past two decades. This review classifies the complexes into three groups based on their potential applications in AD including therapy, diagnosis and theranosis. The recent representative examples are highlighted in terms of design rationale, working mechanism and potential applications.
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Chen M, Du ZY, Zheng X, Li DL, Zhou RP, Zhang K. Use of curcumin in diagnosis, prevention, and treatment of Alzheimer's disease. Neural Regen Res 2018; 13:742-752. [PMID: 29722330 PMCID: PMC5950688 DOI: 10.4103/1673-5374.230303] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
This review summarizes and describes the use of curcumin in diagnosis, prevention, and treatment of Alzheimer's disease. For diagnosis of Alzheimer's disease, amyloid-β and highly phosphorylated tau protein are the major biomarkers. Curcumin was developed as an early diagnostic probe based on its natural fluorescence and high binding affinity to amyloid-β. Because of its multi-target effects, curcumin has protective and preventive effects on many chronic diseases such as cerebrovascular disease, hypertension, and hyperlipidemia. For prevention and treatment of Alzheimer's disease, curcumin has been shown to effectively maintain the normal structure and function of cerebral vessels, mitochondria, and synapses, reduce risk factors for a variety of chronic diseases, and decrease the risk of Alzheimer's disease. The effect of curcumin on Alzheimer's disease involves multiple signaling pathways: anti-amyloid and metal iron chelating properties, antioxidation and anti-inflammatory activities. Indeed, there is a scientific basis for the rational application of curcumin in prevention and treatment of Alzheimer's disease.
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Affiliation(s)
- Min Chen
- Institute of Natural Medicinal Chemistry & Green Chemistry, College of Light Industry and Chemical Engineering, Guangdong University of Technology, Guangzhou, Guangdong Province, China
| | - Zhi-Yun Du
- Institute of Natural Medicinal Chemistry & Green Chemistry, College of Light Industry and Chemical Engineering, Guangdong University of Technology, Guangzhou, Guangdong Province, China
| | - Xi Zheng
- Institute of Natural Medicinal Chemistry & Green Chemistry, College of Light Industry and Chemical Engineering, Guangdong University of Technology, Guangzhou, Guangdong Province, China; Susan Lehman Cullman Laboratory for Cancer Research, Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ, USA; Wuyi University; International Healthcare Innovation Institute (Jiangmen), Jiangmen, Guangdong Province, China
| | - Dong-Li Li
- Wuyi University; International Healthcare Innovation Institute (Jiangmen), Jiangmen, Guangdong Province, China
| | - Ren-Ping Zhou
- Susan Lehman Cullman Laboratory for Cancer Research, Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ, USA
| | - Kun Zhang
- Institute of Natural Medicinal Chemistry & Green Chemistry, College of Light Industry and Chemical Engineering, Guangdong University of Technology, Guangzhou; Wuyi University, Jiangmen, Guangdong Province, China; International Healthcare Innovation Institute (Jiangmen), Jiangmen, Guangdong Province, China
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24
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Serafini MM, Catanzaro M, Rosini M, Racchi M, Lanni C. Curcumin in Alzheimer’s disease: Can we think to new strategies and perspectives for this molecule? Pharmacol Res 2017; 124:146-155. [DOI: 10.1016/j.phrs.2017.08.004] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 07/31/2017] [Accepted: 08/05/2017] [Indexed: 02/05/2023]
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25
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Azria D, Blanquer S, Verdier JM, Belamie E. Nanoparticles as contrast agents for brain nuclear magnetic resonance imaging in Alzheimer's disease diagnosis. J Mater Chem B 2017; 5:7216-7237. [PMID: 32264173 DOI: 10.1039/c7tb01599b] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Nuclear Magnetic Resonance Imaging (MRI) of amyloid plaques is a powerful non-invasive approach for the early and accurate diagnosis of Alzheimer's disease (AD) along with clinical observations of behavioral changes and cognitive impairment. The present article aims at giving a critical and comprehensive review of recent advances in the development of nanoparticle-based contrast agents for brain MRI. Nanoparticles considered for the MRI of AD must comply with a highly stringent set of requirements including low toxicity and the ability to cross the blood-brain-barrier. In addition, to reach an optimal signal-to-noise ratio, they must exhibit a specific ability to target amyloid plaques, which can be achieved by grafting antibodies, peptides or small molecules. Finally, we propose to consider new directions for the future of MRI in the context of Alzheimer's disease, in particular by enhancing the performances of contrast agents and by including therapeutic functionalities following a theranostic strategy.
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Affiliation(s)
- David Azria
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM-ENSCM, Equipe Matériaux Avancés pour la Catalyse et la Santé, 8 rue de l'Ecole Normale, 34296 Montpellier Cedex 5, France.
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26
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Chen K, Cui M. Recent progress in the development of metal complexes as β-amyloid imaging probes in the brain. MEDCHEMCOMM 2017; 8:1393-1407. [PMID: 30108850 PMCID: PMC6072098 DOI: 10.1039/c7md00064b] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Accepted: 05/11/2017] [Indexed: 01/28/2023]
Abstract
In this review, we have focused on the recent progress in metal complexes that are able to bind to β-amyloid (Aβ) species. We have discussed various radioactive complexes of 99mTc, 68Ga, 64Cu, 89Zr, and 111In, which were designed as Aβ imaging agents for positron emission tomography (PET) and single photon emission computed tomography (SPECT) imaging, non-radioactive Re and Ru complexes as Aβ sensors using luminescence methods, and Gd3+ complexes as contrast agents for magnetic resonance imaging (MRI).
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Affiliation(s)
- Kaihua Chen
- Key Laboratory of Radiopharmaceuticals , Ministry of Education , College of Chemistry , Beijing Normal University , Beijing 100875 , P. R. China . ; ; Tel: +86 10 58808891
| | - Mengchao Cui
- Key Laboratory of Radiopharmaceuticals , Ministry of Education , College of Chemistry , Beijing Normal University , Beijing 100875 , P. R. China . ; ; Tel: +86 10 58808891
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27
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Wáng YXJ, Idée JM. A comprehensive literatures update of clinical researches of superparamagnetic resonance iron oxide nanoparticles for magnetic resonance imaging. Quant Imaging Med Surg 2017; 7:88-122. [PMID: 28275562 DOI: 10.21037/qims.2017.02.09] [Citation(s) in RCA: 146] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This paper aims to update the clinical researches using superparamagnetic iron oxide (SPIO) nanoparticles as magnetic resonance imaging (MRI) contrast agent published during the past five years. PubMed database was used for literature search, and the search terms were (SPIO OR superparamagnetic iron oxide OR Resovist OR Ferumoxytol OR Ferumoxtran-10) AND (MRI OR magnetic resonance imaging). The literature search results show clinical research on SPIO remains robust, particularly fuelled by the approval of ferumoxytol for intravenously administration. SPIOs have been tested on MR angiography, sentinel lymph node detection, lymph node metastasis evaluation; inflammation evaluation; blood volume measurement; as well as liver imaging. Two experimental SPIOs with unique potentials are also discussed in this review. A curcumin-conjugated SPIO can penetrate brain blood barrier (BBB) and bind to amyloid plaques in Alzheime's disease transgenic mice brain, and thereafter detectable by MRI. Another SPIO was fabricated with a core of Fe3O4 nanoparticle and a shell coating of concentrated hydrophilic polymer brushes and are almost not taken by peripheral macrophages as well as by mononuclear phagocytes and reticuloendothelial system (RES) due to the suppression of non-specific protein binding caused by their stealthy ''brush-afforded'' structure. This SPIO may offer potentials for the applications such as drug targeting and tissue or organ imaging other than liver and lymph nodes.
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Affiliation(s)
- Yì Xiáng J Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Sha Tin, New Territories, Hong Kong SAR, China
| | - Jean-Marc Idée
- Guerbet, Research and Innovation Division, Roissy-Charles de Gaulle, France
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28
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Lacerda S, Morfin JF, Geraldes CFGC, Tóth É. Metal complexes for multimodal imaging of misfolded protein-related diseases. Dalton Trans 2017; 46:14461-14474. [DOI: 10.1039/c7dt02371e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aggregation of misfolded proteins and progressive polymerization of otherwise soluble proteins is a common hallmark of several highly debilitating and increasingly prevalent diseases, including amyotrophic lateral sclerosis, cerebral amyloid angiopathy, type II diabetes and Parkinson's, Huntington's and Alzheimer's diseases.
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Affiliation(s)
- S. Lacerda
- Centre de Biophysique Moléculaire
- CNRS
- UPR 4301
- Université d'Orléans
- 45071 Orléans Cedex 2
| | - J.-F. Morfin
- Centre de Biophysique Moléculaire
- CNRS
- UPR 4301
- Université d'Orléans
- 45071 Orléans Cedex 2
| | - C. F. G. C. Geraldes
- Department of Life Sciences
- Faculty of Sciences and Technology
- University of Coimbra
- 3000-393 Coimbra
- Portugal
| | - É. Tóth
- Centre de Biophysique Moléculaire
- CNRS
- UPR 4301
- Université d'Orléans
- 45071 Orléans Cedex 2
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29
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Zhan Y, Xue R, Zhang M, Wan C, Li X, Pei F, Sun C, Liu L. Synthesis and Evaluation of a Biocompatible Macromolecular Gadolinium Compound as a Liver-Specific Contrast Agent for MRI. Aust J Chem 2017. [DOI: 10.1071/ch16347] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A new macromolecular biocompatible gadolinium chelate complex (PAI-N2-DOTA-Gd) as a liver-specific magnetic resonance imaging (MRI) contrast agent was synthesised and evaluated. An aspartic acid–isoleucine copolymer was chemically linked with Gd-DOTA via ethylenediamine to give PAI-N2-DOTA-Gd. In vitro, the T1-relaxivity of PAI-N2-DOTA-Gd (14.38 mmol–1⋅L⋅s–1, 0.5 T) was much higher than that of the clinically used Gd-DOTA (4.96 mmol–1⋅L⋅s–1, 0.5 T), with obvious imaging signal enhancement. In the imaging experiments in vivo, PAI-N2-DOTA-Gd exhibited good liver selectivity, and had a greater intensity enhancement (68.8 ± 5.6 %) and a longer imaging window time (30–70 min), compared to Gd-DOTA (21.1 ± 5.3 %, 10–30 min). Furthermore, the in vivo histological studies of PAI-N2-DOTA-Gd showed a low acute toxicity and desirable biocompatibility. The results of this study indicate that PAI-N2-DOTA-Gd is a feasible liver-specific contrast agent for MRI.
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30
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Salerno M, Santo Domingo Porqueras D. Alzheimer's disease: The use of contrast agents for magnetic resonance imaging to detect amyloid beta peptide inside the brain. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2016.04.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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31
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Porqueras DSD, Beyler M, Tripier R, Salerno M. Intracellular Transport Studies of Picolinate Macrocyclic Copper and Lanthanide Complexes. ChemistrySelect 2016. [DOI: 10.1002/slct.201600990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Diego Santo Domingo Porqueras
- Laboratoire CSPBAT, CNRS (UMR 7244), UFR-SMBH; Université Paris 13, Sorbonne Paris Cité; 74 rue Marcel Cachin 93017, Bobigny France
| | - Maryline Beyler
- UMR-CNRS 6521, UFR des Sciences et Techniques; Université de Bretagne Occidentale; 6 avenue Victor le Gorgeu, C.S. 93837 29238 Brest Cedex 3 France
| | - Raphaël Tripier
- UMR-CNRS 6521, UFR des Sciences et Techniques; Université de Bretagne Occidentale; 6 avenue Victor le Gorgeu, C.S. 93837 29238 Brest Cedex 3 France
| | - Milena Salerno
- Laboratoire CSPBAT, CNRS (UMR 7244), UFR-SMBH; Université Paris 13, Sorbonne Paris Cité; 74 rue Marcel Cachin 93017, Bobigny France
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32
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He C, Poon C, Chan C, Yamada SD, Lin W. Nanoscale Coordination Polymers Codeliver Chemotherapeutics and siRNAs to Eradicate Tumors of Cisplatin-Resistant Ovarian Cancer. J Am Chem Soc 2016; 138:6010-9. [PMID: 27088560 DOI: 10.1021/jacs.6b02486] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Drug resistance impedes the successful treatment of many types of cancers, especially ovarian cancer (OCa). To counter this problem, we developed novel long-circulating, self-assembled core-shell nanoscale coordination polymer (NCP) nanoparticles that efficiently deliver multiple therapeutics with different mechanisms of action to enhance synergistic therapeutic effects. These NCP particles contain high payloads of chemotherapeutics cisplatin or cisplatin plus gemcitabine in the core and pooled siRNAs that target multidrug resistant (MDR) genes in the shell. The NCP particles possess efficient endosomal escape via a novel carbon dioxide release mechanism without compromising the neutral surface charge required for long blood circulation and effectively downregulate MDR gene expression in vivo to enhance chemotherapeutic efficacy by several orders of magnitude. Even at low doses, intraperitoneal injections of nanoparticles led to effective and long-lasting tumor regression/eradication in subcutaneous and intraperitoneal xenograft mouse models of cisplatin-resistant OCa. By silencing MDR genes in tumors, self-assembled core-shell nanoparticles promise a more effective chemotherapeutic treatment for many challenging cancers.
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Affiliation(s)
- Chunbai He
- Department of Chemistry, The University of Chicago , Chicago, Illinois 60637, United States
| | - Christopher Poon
- Department of Chemistry, The University of Chicago , Chicago, Illinois 60637, United States
| | - Christina Chan
- Department of Chemistry, The University of Chicago , Chicago, Illinois 60637, United States
| | - S Diane Yamada
- Department of Obstetrics and Gynecology, Section of Gynecologic Oncology, The University of Chicago , Chicago, Illinois 60637, United States
| | - Wenbin Lin
- Department of Chemistry, The University of Chicago , Chicago, Illinois 60637, United States
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33
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Examining the potential clinical value of curcumin in the prevention and diagnosis of Alzheimer’s disease. Br J Nutr 2015; 115:449-65. [DOI: 10.1017/s0007114515004687] [Citation(s) in RCA: 157] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AbstractCurcumin derived from turmeric is well documented for its anti-carcinogenic, antioxidant and anti-inflammatory properties. Recent studies show that curcumin also possesses neuroprotective and cognitive-enhancing properties that may help delay or prevent neurodegenerative diseases, including Alzheimer’s disease (AD). Currently, clinical diagnosis of AD is onerous, and it is primarily based on the exclusion of other causes of dementia. In addition, phase III clinical trials of potential treatments have mostly failed, leaving disease-modifying interventions elusive. AD can be characterised neuropathologically by the deposition of extracellular β amyloid (Aβ) plaques and intracellular accumulation of tau-containing neurofibrillary tangles. Disruptions in Aβ metabolism/clearance contribute to AD pathogenesis. In vitro studies have shown that Aβ metabolism is altered by curcumin, and animal studies report that curcumin may influence brain function and the development of dementia, because of its antioxidant and anti-inflammatory properties, as well as its ability to influence Aβ metabolism. However, clinical studies of curcumin have revealed limited effects to date, most likely because of curcumin’s relatively low solubility and bioavailability, and because of selection of cohorts with diagnosed AD, in whom there is already major neuropathology. However, the fresh approach of targeting early AD pathology (by treating healthy, pre-clinical and mild cognitive impairment-stage cohorts) combined with new curcumin formulations that increase bioavailability is renewing optimism concerning curcumin-based therapy. The aim of this paper is to review the current evidence supporting an association between curcumin and modulation of AD pathology, including in vitro and in vivo studies. We also review the use of curcumin in emerging retinal imaging technology, as a fluorochrome for AD diagnostics.
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