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Maity T, Balachandran AK, Krishnamurthy LP, Nagar KL, Upadhyayula RS, Sengupta S, Maiti PK. Data-Driven Approaches to Predict Dendrimer Cytotoxicity. ACS OMEGA 2024; 9:24899-24906. [PMID: 38882163 PMCID: PMC11173563 DOI: 10.1021/acsomega.4c01775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 05/10/2024] [Accepted: 05/17/2024] [Indexed: 06/18/2024]
Abstract
Dendrimers are employed as functional elements in contrast agents and are proposed as nontoxic vehicles for drug delivery. Toxicity is a property that is to be evaluated for this novel class of bionanomaterials for in vivo applications. The current research is hampered due to the lack of structured data sets for toxicity studies for dendrimers. In this work, we have built a data set by curating literature for toxicity data and augmented it with structural and physicochemical features. We present a comprehensive, feature-rich database of dendrimer toxicity measured across various cell lines for prediction, design, and optimization studies. We have also explored novel computational approaches for predicting dendrimer cytotoxicity. We demonstrate superior outcomes for toxicity prediction using essential regression in the space of small data sets.
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Affiliation(s)
- Tarun Maity
- Centre for Condensed Matter Theory, Department of Physics, Indian Institute of Science, Bengaluru 560012, India
| | - Anandu K Balachandran
- Accenture Labs, Technology & Innovation, Ecospace, Bellandur, Bengaluru 560087, India
| | | | - Karthik L Nagar
- Accenture Labs, Technology & Innovation, Ecospace, Bellandur, Bengaluru 560087, India
| | | | - Shubhashis Sengupta
- Accenture Labs, Technology & Innovation, Ecospace, Bellandur, Bengaluru 560087, India
| | - Prabal K Maiti
- Centre for Condensed Matter Theory, Department of Physics, Indian Institute of Science, Bengaluru 560012, India
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2
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Tavallaii A, Meybodi KT, Nejat F, Habibi Z. Current Status of Research on Targeted Therapy Against Central Nervous System Tumors in Low- and Lower-Middle-Income Countries. World Neurosurg 2023; 174:74-80. [PMID: 36918096 DOI: 10.1016/j.wneu.2023.03.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023]
Abstract
OBJECTIVE In recent decades, a significant body of research has focused on targeted therapies for the treatment of central nervous system (CNS) tumors to enhance the effectiveness of management strategies. However, most of these efforts have been centered in high-income countries, which renders the generalizability of their results to low- and middle-income countries questionable. Therefore, in this review, we systematically investigated the status of research conducted on targeted therapy for CNS tumors in low- and lower-middle-income countries to elucidate the contribution of these countries in advancing neuro-oncology. METHODS A systematic search of 3 databases was performed using a predefined search strategy. After screening the articles based on our inclusion/exclusion criteria, the data were extracted to a predesigned Excel worksheet. RESULTS A review of 44 included studies showed that India, Iran, and Lebanon were the only countries with a contribution to this field. All included studies were laboratory or animal experiments, and there were no clinical studies in this field. The most investigated CNS tumor was malignant glioma, and gene-targeted therapy was the most investigated category of targeted therapies in these countries. CONCLUSIONS Low- and lower-middle-income countries comprise more than half of the world population, but they are deprived of targeted therapies against CNS tumors. Although there are basic experiments performed on this subject, they originate in a limited number of these countries. Therefore, targeted therapy is in its preliminary stage in these countries.
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Affiliation(s)
- Amin Tavallaii
- Department of Pediatric Neurosurgery, Children's Medical Center Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Keyvan Tayyebi Meybodi
- Department of Pediatric Neurosurgery, Children's Medical Center Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Farideh Nejat
- Department of Pediatric Neurosurgery, Children's Medical Center Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Zohreh Habibi
- Department of Pediatric Neurosurgery, Children's Medical Center Hospital, Tehran University of Medical Sciences, Tehran, Iran.
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3
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An H, Deng X, Wang F, Xu P, Wang N. Dendrimers as Nanocarriers for the Delivery of Drugs Obtained from Natural Products. Polymers (Basel) 2023; 15:polym15102292. [PMID: 37242865 DOI: 10.3390/polym15102292] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/10/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
Natural products have proven their value as drugs that can be therapeutically beneficial in the treatment of various diseases. However, most natural products have low solubility and poor bioavailability, which pose significant challenges. To solve these issues, several drug nanocarriers have been developed. Among these methods, dendrimers have emerged as vectors for natural products due to their superior advantages, such as a controlled molecular structure, narrow polydispersity index, and the availability of multiple functional groups. This review summarizes current knowledge on the structures of dendrimer-based nanocarriers for natural compounds, with a particular focus on applications in alkaloids and polyphenols. Additionally, it highlights the challenges and perspectives for future development in clinical therapy.
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Affiliation(s)
- Huan An
- Department of TCM Literature, Zhejiang Academy of Traditional Chinese Medicine, Hangzhou 310007, China
| | - Xuehui Deng
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou 310007, China
| | - Fang Wang
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou 310007, China
| | - Pingcui Xu
- Department of TCM Literature, Zhejiang Academy of Traditional Chinese Medicine, Hangzhou 310007, China
| | - Nani Wang
- Department of TCM Literature, Zhejiang Academy of Traditional Chinese Medicine, Hangzhou 310007, China
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Kaurav M, Ruhi S, Al-Goshae HA, Jeppu AK, Ramachandran D, Sahu RK, Sarkar AK, Khan J, Ashif Ikbal AM. Dendrimer: An update on recent developments and future opportunities for the brain tumors diagnosis and treatment. Front Pharmacol 2023; 14:1159131. [PMID: 37006997 PMCID: PMC10060650 DOI: 10.3389/fphar.2023.1159131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 02/27/2023] [Indexed: 03/18/2023] Open
Abstract
A brain tumor is an uncontrolled cell proliferation, a mass of tissue composed of cells that grow and divide abnormally and appear to be uncontrollable by the processes that normally control normal cells. Approximately 25,690 primary malignant brain tumors are discovered each year, 70% of which originate in glial cells. It has been observed that the blood-brain barrier (BBB) limits the distribution of drugs into the tumour environment, which complicates the oncological therapy of malignant brain tumours. Numerous studies have found that nanocarriers have demonstrated significant therapeutic efficacy in brain diseases. This review, based on a non-systematic search of the existing literature, provides an update on the existing knowledge of the types of dendrimers, synthesis methods, and mechanisms of action in relation to brain tumours. It also discusses the use of dendrimers in the diagnosis and treatment of brain tumours and the future possibilities of dendrimers. Dendrimers are of particular interest in the diagnosis and treatment of brain tumours because they can transport biochemical agents across the BBB to the tumour and into the brain after systemic administration. Dendrimers are being used to develop novel therapeutics such as prolonged release of drugs, immunotherapy, and antineoplastic effects. The use of PAMAM, PPI, PLL and surface engineered dendrimers has proven revolutionary in the effective diagnosis and treatment of brain tumours.
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Affiliation(s)
- Monika Kaurav
- Department of Pharmaceutics, KIET Group of Institutions (KIET School of Pharmacy), Delhi NCR, Ghaziabad, India
- Dr. A.P.J. Abdul Kalam Technical University, Lucknow, Uttar Pradesh, India
| | - Sakina Ruhi
- Department of Biochemistry, IMS, Management and Science University, University Drive, Shah Alam, Selangor, Malaysia
| | - Husni Ahmed Al-Goshae
- Department of Anantomy, IMS, Management and Science University, University Drive, Shah Alam, Selangor, Malaysia
| | - Ashok Kumar Jeppu
- Department of Biochemistry, IMS, Management and Science University, University Drive, Shah Alam, Selangor, Malaysia
| | - Dhani Ramachandran
- Department of Pathology, IMS, Management and Science University, University Drive, Shah Alam, Selangor, Malaysia
| | - Ram Kumar Sahu
- Department of Pharmaceutical Sciences, Hemvati Nandan Bahuguna Garhwal University (A Central University), Chauras Campus, Tehri Garhwal, Uttarakhand, India
- *Correspondence: Ram Kumar Sahu,
| | | | - Jiyauddin Khan
- School of Pharmacy, Management and Science University, Shah Alam, Selangor, Malaysia
| | - Abu Md Ashif Ikbal
- Department of Pharmaceutical Sciences, Assam University (A Central University), Silchar, Assam, India
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Zhao D, Liu J, Zhou Y, Zhang L, Zhong Y, Yang Y, Zhao B, Yang M, Wang Y. Penetrating the Blood-Brain Barrier for Targeted Treatment of Neurotoxicant Poisoning by Nanosustained-Released 2-PAM@VB1-MIL-101-NH 2(Fe). ACS APPLIED MATERIALS & INTERFACES 2023; 15:12631-12642. [PMID: 36867458 DOI: 10.1021/acsami.2c18929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
It is very important to establish a sustained-release pralidoxime chloride (2-PAM) drug system with brain targeting function for the treatment of neurotoxicant poisoning. Herein, Vitamin B1 (VB1), also known as thiamine, which can specifically bind to the thiamine transporter on the surface of the blood-brain barrier, was incorporated onto the surface of MIL-101-NH2(Fe) nanoparticles with a size of ∼100 nm. Pralidoxime chloride was further loaded within the interior of the above resulted composite by soaking, and a resulting composite drug (denoted as 2-PAM@VB1-MIL-101-NH2(Fe)) with a loading capacity of 14.8% (wt) was obtained. The results showed that the drug release rate of the composite drug was increased in PBS solution with the increase of pH (2-7.4) and a maximum drug release rate of 77.5% at pH 4. Experiments on the treatment of poisoning by gavage with the nerve agent sarin in mice combined with atropine revealed that sustained release of 2-PAM from the composite drug was achieved for more than 72 h. Sustained and stable reactivation of poisoned acetylcholinesterase (AChE) was observed with an enzyme reactivation rate of 42.7% in the ocular blood samples at 72 h. By using both zebrafish brain and mouse brain as models, we found that the composite drug could effectively cross the blood-brain barrier and restore the AChE activity in the brain of poisoned mice. The composite drug is expected to be a stable therapeutic drug with brain targeting and prolonged drug release properties for nerve agent intoxication in the middle and late stages of treatment.
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Affiliation(s)
- Dianfa Zhao
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, P. R. China
| | - Jie Liu
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, P. R. China
| | - Yunshan Zhou
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Lijuan Zhang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Yuxu Zhong
- Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, P. R. China
| | - Yang Yang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Baoquan Zhao
- Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, P. R. China
| | - Mengru Yang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Yong'an Wang
- Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, P. R. China
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Sahoo RK, Gupta T, Batheja S, Goyal AK, Gupta U. Surface Engineered Dendrimers: A Potential Nanocarrier for the Effective Management of Glioblastoma Multiforme. Curr Drug Metab 2022; 23:708-722. [PMID: 35713127 DOI: 10.2174/1389200223666220616125524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/25/2022] [Accepted: 05/18/2022] [Indexed: 01/05/2023]
Abstract
Gliomas are the most prevailing intracranial tumors, which account for approximately 36% of the primary brain tumors of glial cells. Glioblastoma multiforme (GBM) possesses a higher degree of malignancy among different gliomas. The blood-brain barrier (BBB) protects the brain against infections and toxic substances by preventing foreign molecules or unwanted cells from entering the brain parenchyma. Nano-carriers such as liposomes, nanoparticles, dendrimers, etc. boost the brain permeability of various anticancer drugs or other drugs. The favorable properties like small size, better solubility, and the modifiable surface of dendrimers have proven their broad applicability in the better management of GBM. However, in vitro and in vivo toxicities caused by dendrimers have been a significant concern. The presence of multiple functionalities on the surface of dendrimers enables the grafting of target ligand and/or therapeutic moieties. Surface engineering improves certain properties like targeting efficiency, pharmacokinetic profile, therapeutic effect, and toxicity reduction. This review will be focused on the role of different surface-modified dendrimers in the effective management of GBM.
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Affiliation(s)
- Rakesh Kumar Sahoo
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan 305817, India
| | - Tanisha Gupta
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan 305817, India
| | - Sanya Batheja
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan 305817, India
| | - Amit Kumar Goyal
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan 305817, India
| | - Umesh Gupta
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan 305817, India
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7
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Application of Dendrimers in Anticancer Diagnostics and Therapy. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27103237. [PMID: 35630713 PMCID: PMC9144149 DOI: 10.3390/molecules27103237] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/11/2022] [Accepted: 05/16/2022] [Indexed: 11/16/2022]
Abstract
The application of dendrimeric constructs in medical diagnostics and therapeutics is increasing. Dendrimers have attracted attention due to their compact, spherical three-dimensional structures with surfaces that can be modified by the attachment of various drugs, hydrophilic or hydrophobic groups, or reporter molecules. In the literature, many modified dendrimer systems with various applications have been reported, including drug and gene delivery systems, biosensors, bioimaging contrast agents, tissue engineering, and therapeutic agents. Dendrimers are used for the delivery of macromolecules, miRNAs, siRNAs, and many other various biomedical applications, and they are ideal carriers for bioactive molecules. In addition, the conjugation of dendrimers with antibodies, proteins, and peptides allows for the design of vaccines with highly specific and predictable properties, and the role of dendrimers as carrier systems for vaccine antigens is increasing. In this work, we will focus on a review of the use of dendrimers in cancer diagnostics and therapy. Dendrimer-based nanosystems for drug delivery are commonly based on polyamidoamine dendrimers (PAMAM) that can be modified with drugs and contrast agents. Moreover, dendrimers can be successfully used as conjugates that deliver several substances simultaneously. The potential to develop dendrimers with multifunctional abilities has served as an impetus for the design of new molecular platforms for medical diagnostics and therapeutics.
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Sheikh A, Md S, Kesharwani P. RGD engineered dendrimer nanotherapeutic as an emerging targeted approach in cancer therapy. J Control Release 2021; 340:221-242. [PMID: 34757195 DOI: 10.1016/j.jconrel.2021.10.028] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 10/24/2021] [Accepted: 10/28/2021] [Indexed: 12/15/2022]
Abstract
A bird's eye view is now demanded in the area of cancer research to suppress the suffering of cancer patient and mediate the lack of treatment related to chemotherapy. Chemotherapy is always preferred over surgery or radiation therapy, but they never met the patient's demand of safe medication. Targeted therapy has now been in research that could hinder the unnecessary effect of drug on normal cells but could affect the tumor cells in much efficient manner. Angiogenesis is process involved in development of new blood vessel that nourishes tumor growth. Integrin receptors are over expressed on cancer cells that play vital role in angiogenesis for growth and metastasis of tumor cell. A delivery of RGD based peptide to integrin targeted site could help in its successful binding and liberation of drug in tumor vasculature. Dendrimers, in addition to its excellent pharmacokinetic properties also helps to carry targeting ligand to site of tumor by successfully conjugating with them. The aim of this review is to bring light upon the role of integrin in cancer progression, interaction of RGD to integrin receptor and more importantly the RGD-dendrimer based targeted therapy for the treatment of various cancers.
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Affiliation(s)
- Afsana Sheikh
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Shadab Md
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Center of Excellence for Drug Research & Pharmaceutical Industries, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India.
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9
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Poly (propylene imine) dendrimer as an emerging polymeric nanocarrier for anticancer drug and gene delivery. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110683] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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10
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Korake S, Shaikh A, Salve R, Gajbhiye KR, Gajbhiye V, Pawar A. Biodegradable dendritic Boltorn™ nanoconstructs: A promising avenue for cancer theranostics. Int J Pharm 2020; 594:120177. [PMID: 33333177 DOI: 10.1016/j.ijpharm.2020.120177] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 12/13/2022]
Abstract
The family of Boltorn™ H40 dendrimers is an imperative subclass of hyperbranched biodegradable polymers (HBPs), which has received mounting attention as a result of its inimitable chemical, physical and biodegradable properties. These properties embrace three-dimensional dendrimeric nanoarchitecture to avert tanglement between polymer branches, adequate spatial cavities for increased encapsulation of guest molecules, good solubility as well as low viscosity to improve processability, and a huge number of surface functional groups for chemical manipulations. Similarly, low toxicity, non-immunogenicity, and natural biodegradation are significant and critical advantages in therapeutic applications as compared to other dendritic polymers. All these characteristics of Boltorn™ H40 are of pronounced importance for planning and developing advanced targeted cargo delivery carriers for cancer therapy. The present review highlights the applications of Boltorn™ H40 HBPs for the transport of chemotherapeutic agents to manage various types of cancers.
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Affiliation(s)
- S Korake
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth Deemed University, Erandwane, Pune 411038, India
| | - A Shaikh
- Nanobioscience Group, Agharkar Research Institute, Pune 411004, India; Savitribai Phule Pune University, Pune 411004, India
| | - R Salve
- Nanobioscience Group, Agharkar Research Institute, Pune 411004, India; Savitribai Phule Pune University, Pune 411004, India
| | - K R Gajbhiye
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth Deemed University, Erandwane, Pune 411038, India
| | - V Gajbhiye
- Nanobioscience Group, Agharkar Research Institute, Pune 411004, India; Savitribai Phule Pune University, Pune 411004, India.
| | - A Pawar
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth Deemed University, Erandwane, Pune 411038, India.
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11
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Sherif AY, Harisa GI, Alanazi FK, Youssof AME. Engineering of Exosomes: Steps Towards Green Production of Drug Delivery System. Curr Drug Targets 2020; 20:1537-1549. [PMID: 31309889 DOI: 10.2174/1389450120666190715104100] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 06/09/2019] [Accepted: 06/18/2019] [Indexed: 12/11/2022]
Abstract
Targeting of therapeutic agents to their specific site of action not only increases the treatment efficacy, but also reduces systemic toxicity. Therefore, various drug delivery systems (DDSs) have been developed to achieve this target. However, most of those DDSs have several issues regarding biocompatibility and environmental hazard. In contrast to the synthetic DDSs, exosome-based natural carriers are biocompatible, biodegradable and safe for the environment. Since exosomes play a role in intercellular communication, they have been widely utilized as carriers for different therapeutic agents. This article was aimed to provide an overview of exosomes as an environment-friendly DDS in terms of engineering, isolation, characterization, application and limitation.
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Affiliation(s)
- Abdelrahman Y Sherif
- Kayyali Chair for Pharmaceutical Industry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.,Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Gamaleldin I Harisa
- Kayyali Chair for Pharmaceutical Industry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.,Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.,Department of Biochemistry, College of Pharmacy, Al-Azhar University, Nasr City, Cairo, Egypt
| | - Fars K Alanazi
- Kayyali Chair for Pharmaceutical Industry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.,Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Abdullah M E Youssof
- Kayyali Chair for Pharmaceutical Industry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.,Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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12
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A review on synthesis and applications of dendrimers. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2020. [DOI: 10.1007/s13738-020-02053-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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13
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Mittal S, Ashhar MU, Qizilbash FF, Qamar Z, Narang JK, Kumar S, Ali J, Baboota S. Ligand Conjugated Targeted Nanotherapeutics for Treatment of Neurological Disorders. Curr Pharm Des 2020; 26:2291-2305. [PMID: 32303160 DOI: 10.2174/1381612826666200417141600] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Accepted: 02/26/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Human brain is amongst the most complex organs in human body, and delivery of therapeutic agents across the brain is a tedious task. Existence of blood brain barrier (BBB) protects the brain from invasion of undesirable substances; therefore it hinders the transport of various drugs used for the treatment of different neurological diseases including glioma, Parkinson's disease, Alzheimer's disease, etc. To surmount this barrier, various approaches have been used such as the use of carrier mediated drug delivery; use of intranasal route, to avoid first pass metabolism; and use of ligands (lactoferrin, apolipoprotein) to transport the drug across the BBB. Ligands bind with proteins present on the cell and facilitate the transport of drug across the cell membrane via. receptor mediated, transporter mediated or adsorptive mediated transcytosis. OBJECTIVE The main focus of this review article is to illustrate various studies performed using ligands for delivering drug across BBB; it also describes the procedure used by various researchers for conjugating the ligands to the formulation to achieve targeted action. METHODS Research articles that focused on the used of ligand conjugation for brain delivery and compared the outcome with unconjugated formulation were collected from various search engines like PubMed, Science Direct and Google Scholar, using keywords like ligands, neurological disorders, conjugation, etc. Results and Conclusion: Ligands have shown great potential in delivering drug across BBB for treatment of various diseases, yet extensive research is required so that the ligands can be used clinically for treating neurological diseases.
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Affiliation(s)
- Saurabh Mittal
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Muhammad U Ashhar
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Farheen F Qizilbash
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Zufika Qamar
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Jasjeet K Narang
- Department of Pharmaceutics, Khalsa College of Pharmacy, Amritsar, Punjab, India
| | - Shobhit Kumar
- Department of Pharmaceutical Technology, Meerut Institute of Engineering and Technology, Uttar Pradesh, India
| | - Javed Ali
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Sanjula Baboota
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
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Abstract
Drug delivery systems are molecular platforms in which an active compound is packed into or loaded on a biocompatible nanoparticle. Such a solution improves the activity of the applied drug or decreases its side effects. Dendrimers are promising molecular platforms for drug delivery due to their unique properties. These macromolecules are known for their defined size, shape, and molecular weight, as well as their monodispersity, the presence of the void space, tailorable structure, internalization by cells, selectivity toward cells and intracellular components, protection of guest molecules, and controllable release of the cargo. Dendrimers were tested as carriers of various molecules and, simultaneously, their toxicity was examined using different cell lines. It was discovered that, in general, dendrimer cytotoxicity depended on the generation, the number of surface groups, and the nature of terminal moieties (anionic, neutral, or cationic). Higher cytotoxicity occurred for higher-generation dendrimers and for dendrimers with positive charges on the surface. In order to decrease the cytotoxicity of dendrimers, scientists started to introduce different chemical modifications on the periphery of the nanomolecule. Dendrimers grafted with polyethylene glycol (PEG), acetyl groups, carbohydrates, and other moieties did not affect cell viability, or did so only slightly, while still maintaining other advantageous properties. Dendrimers clearly have great potential for wide utilization as drug and gene carriers. Moreover, some dendrimers have biological properties per se, being anti-fungal, anti-bacterial, or toxic to cancer cells without affecting normal cells. Therefore, intrinsic cytotoxicity is a comprehensive problem and should be considered individually depending on the potential destination of the nanoparticle.
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Henrich-Noack P, Nikitovic D, Neagu M, Docea AO, Engin AB, Gelperina S, Shtilman M, Mitsias P, Tzanakakis G, Gozes I, Tsatsakis A. The blood–brain barrier and beyond: Nano-based neuropharmacology and the role of extracellular matrix. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2019; 17:359-379. [DOI: 10.1016/j.nano.2019.01.016] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 01/11/2019] [Accepted: 01/28/2019] [Indexed: 12/13/2022]
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16
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Tambe P, Kumar P, Paknikar KM, Gajbhiye V. Smart triblock dendritic unimolecular micelles as pioneering nanomaterials: Advancement pertaining to architecture and biomedical applications. J Control Release 2019; 299:64-89. [DOI: 10.1016/j.jconrel.2019.02.026] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/19/2019] [Accepted: 02/19/2019] [Indexed: 11/08/2022]
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17
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Etman SM, Elnaggar YSR, Abdelmonsif DA, Abdallah OY. Oral Brain-Targeted Microemulsion for Enhanced Piperine Delivery in Alzheimer's Disease Therapy: In Vitro Appraisal, In Vivo Activity, and Nanotoxicity. AAPS PharmSciTech 2018; 19:3698-3711. [PMID: 30238305 DOI: 10.1208/s12249-018-1180-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 09/07/2018] [Indexed: 01/08/2023] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder that has no cure till now. Piperine (PIP) is an alkaloid characterized by memory-enhancing properties but challenging oral delivery obstacles. The objectives of this study are as follows: preparation of microemulsion (ME) as a proposed oral PIP nanocarrier for treatment of Alzheimer's disease and testing its safety on the brain and other internal organs. This study employs bioactive surfactants in the common safe doses to improve PIP targeting to the brain. Selected ME systems encompassed Caproyl 90 (oil)/Tween 80/Cremophor RH 40 (surfactant) and Transcutol HP (co-surfactant). The particle size of the prepared formulations was less than 150 nm with negative zeta potential. The in vivo results showed a superior effect of ME over free PIP. Colchicine-induced brain toxicity results showed the safety of ME on brain cells. Nevertheless, toxicological results showed a potential ME nephrotoxicity. Oral microemulsion increased PIP efficacy and enhanced its delivery to the brain resulting in better therapeutic outcome compared to the free drug. However, the toxicity of this nanosystem should be carefully taken into consideration on chronic use.
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Ma Y, Sha M, Cheng S, Yao W, Li Z, Qi XR. Construction of Hyaluronic Tetrasaccharide Clusters Modified Polyamidoamine siRNA Delivery System. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E433. [PMID: 29899207 PMCID: PMC6027316 DOI: 10.3390/nano8060433] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 06/01/2018] [Accepted: 06/05/2018] [Indexed: 12/25/2022]
Abstract
The CD44 protein, as a predominant receptor for hyaluronan (HA), is highly expressed on the surface of multiple tumor cells. HA, as a targeting molecule for a CD44-contained delivery system, increases intracellular drug concentration in tumor tissue. However, due to the weak binding ability of hyaluronan oligosaccharide to CD44, targeting for tumor drug delivery has been restricted. In this study, we first use a HA tetrasaccharide cluster as the target ligand to enhance the binding ability to CD44. A polyamidoamine (PAMAM) dendrimer was modified by a HA tetrasaccharide cluster as a nonviral vector for small interfering RNA (siRNA) delivery. The dendrimer/siRNA nanocomplexes increased the cellular uptake capacity of siRNA through the CD44 receptor-mediated endocytosis pathway, allowing the siRNA to successfully escape the endosome/lysosome. Compared with the control group, nanocomplexes effectively reduced the expression of GFP protein and mRNA in MDA-MB-231-GFP cells. This delivery system provides a foundation to increase the clinical applications of PAMAM nanomaterials.
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Affiliation(s)
- Yingcong Ma
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery System, Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
| | - Meng Sha
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
| | - Shixuan Cheng
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery System, Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
| | - Wang Yao
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
| | - Zhongjun Li
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
| | - Xian-Rong Qi
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery System, Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
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He H, Lu Y, Qi J, Zhao W, Dong X, Wu W. Biomimetic thiamine- and niacin-decorated liposomes for enhanced oral delivery of insulin. Acta Pharm Sin B 2018; 8:97-105. [PMID: 29872626 PMCID: PMC5985626 DOI: 10.1016/j.apsb.2017.11.007] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 09/14/2017] [Accepted: 11/10/2017] [Indexed: 11/17/2022] Open
Abstract
Biomimetic nanocarriers are emerging as efficient vehicles to facilitate dietary absorption of biomacromolecules. In this study, two vitamins, thiamine and niacin, are employed to decorate liposomes loaded with insulin, thus facilitating oral absorption via vitamin ligand-receptor interactions. Both vitamins are conjugated with stearamine, which works to anchor the ligands to the surface of liposomes. Liposomes prepared under optimum conditions have a mean particle size of 125-150 nm and an insulin entrapment efficiency of approximately 30%-36%. Encapsulation into liposomes helps to stabilize insulin due to improved resistance against enzymatic disruption, with 60% and 80% of the insulin left after 4 h when incubated in simulated gastric and intestinal fluids, respectively, whereas non-encapsulated insulin is broken down completely at 0.5 h. Preservation of insulin bioactivity against preparative stresses is validated by intra-peritoneal injection of insulin after release from various liposomes using the surfactant Triton X-100. In a diabetic rat model chemically induced by streptozotocin, both thiamine- and niacin-decorated liposomes showed a comparable and sustained mild hypoglycemic effect. The superiority of decorated liposomes over conventional liposomes highlights the contribution of vitamin ligands. It is concluded that decoration of liposomes with thiamine or niacin facilitates interactions with gastrointestinal vitamin receptors and thereby facilitates oral absorption of insulin-loaded liposomes.
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Key Words
- 1H NMR, 1H nuclear magnetic resonance
- AAC, area above the curve
- Biomimetic
- CDI, N,Nʹ-carbonyldiimidazole
- CH, cholesterol
- CH-Lip, conventional (cholesterol) liposomes
- DMAP, dimethylaminopyridine
- DMF, dimethylformamide
- Drug delivery
- EDC, N-ethyl-Nʹ-(3-dimethylaminopropyl) carbodiimide
- EE, entrapment efficiency
- ESI-MS, electrospray ionization mass spectrometry
- FAE, follicle-associated epithelia
- GIT, gastrointestinal tract
- HPLC/UV, high-performance liquid chromatography/ultraviolet
- INS, insulin
- Insulin
- Liposomes
- NA, niacin
- NA-Lip, niacin liposomes
- Niacin
- Oral
- SGF, simulated gastric fluid
- SIF, simulated intestinal fluid
- SPC, soybean phosphatidylcholine
- TH, thiamine
- TH-Lip, thiamine-decorated liposomes
- Thiamine
- USP, United States Pharmacopeia
- VB1, vitamin B1
- Vitamin
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Affiliation(s)
| | | | | | | | | | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE and PLA, School of Pharmacy, Fudan University, Shanghai 201203, China
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Tambe P, Kumar P, Karpe YA, Paknikar KM, Gajbhiye V. Triptorelin Tethered Multifunctional PAMAM-Histidine-PEG Nanoconstructs Enable Specific Targeting and Efficient Gene Silencing in LHRH Overexpressing Cancer Cells. ACS APPLIED MATERIALS & INTERFACES 2017; 9:35562-35573. [PMID: 28949503 DOI: 10.1021/acsami.7b11024] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Cancer treatment using siRNA based therapies pose various limitations such as off-target effects and degradation due to lack of specific delivery in desired cells. The aim of the present study was to develop multifunctional targeted nanoconstructs, which can efficiently and precisely deliver siRNA and silence the desired gene of interest in various LHRH overexpressing cancer cells. Herein, we report the development of triblock, PAMAM-histidine-PEG dendritic nanoconstructs functionalized with triptorelin (an LHRH analog) for targeted siRNA delivery to LHRH overexpressing breast (MCF-7) and prostate (LNCaP) cancer cells. The nanoconstructs were characterized using 1H NMR and DLS and displayed a very low cationic charge to avoid off-target interactions. The developed nanoconstructs showed negligible cytotoxicity and hemolytic activity with efficient siRNA loading, excellent serum stability, and strongly protected siRNA from degradation. Further, confocal microscopy results confirmed extremely significant (p < 0.001) higher cellular uptake of cy5.5 conjugated targeted nanoparticles (NPs) in both cancer cell lines than nontargeted NPs. Also, targeted NPs specifically delivered cy3-tagged siRNA to MCF-7 cells. Co-localization studies in MCF-7 and LNCaP cells further established that targeted NPs traveled through the endolysosomal pathway and escaped endosomes within 6 h of incubation. Gene silencing studies in luciferase expressing MCF-7 and LNCaP cell lines demonstrated that the targeted NPs exhibited extremely significant (p < 0.001) silencing of luciferase gene. Additionally, receptor blockade studies further confirmed the specificity of targeted NPs and suggested that targeted NPs entered cancer cells via LHRH receptor mediated endocytosis, which was evident through insignificant gene silencing in receptor blocked cells. Thus, the results indicated that PAMAM-histidine-PEG-triptorelin could be a promising approach for siRNA delivery, gene silencing, and tumor therapy in all LHRH overexpressing cancer cells.
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Affiliation(s)
- Prajakta Tambe
- Nanobioscience, Agharkar Research Institute , Pune 411 004, India
- Savitribai Phule Pune University , Ganeshkhind, Pune 411 007, India
| | - Pramod Kumar
- Nanobioscience, Agharkar Research Institute , Pune 411 004, India
- Savitribai Phule Pune University , Ganeshkhind, Pune 411 007, India
| | - Yogesh A Karpe
- Nanobioscience, Agharkar Research Institute , Pune 411 004, India
- Savitribai Phule Pune University , Ganeshkhind, Pune 411 007, India
| | - Kishore M Paknikar
- Nanobioscience, Agharkar Research Institute , Pune 411 004, India
- Savitribai Phule Pune University , Ganeshkhind, Pune 411 007, India
| | - Virendra Gajbhiye
- Nanobioscience, Agharkar Research Institute , Pune 411 004, India
- Savitribai Phule Pune University , Ganeshkhind, Pune 411 007, India
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Folate/N-acetyl glucosamine conjugated mesoporous silica nanoparticles for targeting breast cancer cells: A comparative study. Colloids Surf B Biointerfaces 2017; 156:203-212. [PMID: 28531877 DOI: 10.1016/j.colsurfb.2017.05.032] [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: 03/05/2017] [Revised: 04/20/2017] [Accepted: 05/10/2017] [Indexed: 11/22/2022]
Abstract
Folate receptors (FR) have been well recognized as a marker to target nano-sized carriers for cancer diagnosis and therapy. In contrast, influx transport systems (e.g. GLUT transporters) that transport essential amino acids and nutrients to cancer cells have not been exploited much for targeted delivery. In this study, folic acid- or n-acetyl glucosamine- functionalized mesoporous silica nanoparticles loaded with doxorubicin (DOX-FA-MSNPs or DOX-NAG-MSNPs) were prepared, characterized and compared for targeting along with cytotoxicity towards MCF-7 and MDA-MB-231 human breast cancer cells. Cellular uptake of FITC tagged FA-MSNPs and NAG-MSNPs were evaluated by confocal microscopy and flow cytometry in above-mentioned cancer cell lines. The result suggested higher cellular uptake of NAG-MSNPs than FA-MSNPs for both the cell lines. Cytotoxicity of free DOX, DOX-MSNPs, DOX-FA-MSNPs and DOX-NAG-MSNPs were evaluated on both the breast cancer cell lines. Cytotoxicity results showed that DOX-loaded NAG-MSNPs exerted significant higher cytotoxicity effect on both the cell lines than DOX-FA-MSNPs. Moreover, both the targeted formulations were more effective than free DOX. Our results suggested that GLUT transporters can be effectively utilized for nanoparticles internalization in breast cancer cells.
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Gupta U, Sharma S, Khan I, Gothwal A, Sharma AK, Singh Y, Chourasia MK, Kumar V. Enhanced apoptotic and anticancer potential of paclitaxel loaded biodegradable nanoparticles based on chitosan. Int J Biol Macromol 2017; 98:810-819. [PMID: 28189791 DOI: 10.1016/j.ijbiomac.2017.02.030] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 01/26/2017] [Accepted: 02/07/2017] [Indexed: 01/29/2023]
Abstract
Taxanes have established and proven effectivity against different types of cancers; in particular breast cancers. However, the high hemolytic toxicity and hydrophobic nature of paclitaxel and docetaxel have always posed challenges to achieve safe and effective delivery. Use of bio-degradable materials with an added advantage of nanotechnology could possibly improve the condition so as to achieve better and safe delivery. In the present study paclitaxel loaded chitosan nanoparticles were formulated and optimized using simple w/o nanoemulsion technique. The observed average size, pdi, zeta potential, entrapment efficiency and drug loading for the optimized paclitaxel loaded chitosan nanoparticle formulation (PTX-CS-NP-10) was 226.7±0.70nm, 0.345±0.039, 37.4±0.77mV, 79.24±2.95% and 11.57±0.81%; respectively. Nanoparticles were characterized further for size by Transmission Electron Microscopy (TEM). In vitro release studies exhibited sustained release pattern and more than 60% release was observed within 24h. Enhanced in vitro anticancer activity was observed as a result of MTT assay against triple negative MDA-MB-231 breast cancer cell lines. The observed IC50 values obtained for PTX-CS-NP-10 was 9.36±1.13μM and was almost 1.6 folds (p<0.05) less than the pure drug. Similarly, PTX-CS-NP-10 were extremely biocompatible and safe as observed for haemolytic toxicity which was almost 4 folds less (p<0.05) than the naïve drug. Anticancer activity was further evaluated using flow cytometry for apoptosis. Cell apoptosis study revealed that PTX-CS-NP-10 treatment resulted into enhanced (almost double) late cell apoptosis than naïve paclitaxel. Hence the developed nanoparticulate formulation not only reduced the overall toxicity but also resulted into improved anticancer efficacy of paclitaxel. It can be concluded that a robust, stable and comparatively safe nanoformulation of paclitaxel was developed, characterized and evaluated.
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Affiliation(s)
- Umesh Gupta
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandar Sindri, Ajmer, Rajasthan, 305817, India.
| | - Saurabh Sharma
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandar Sindri, Ajmer, Rajasthan, 305817, India
| | - Iliyas Khan
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandar Sindri, Ajmer, Rajasthan, 305817, India
| | - Avinash Gothwal
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandar Sindri, Ajmer, Rajasthan, 305817, India
| | - Ashok K Sharma
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandar Sindri, Ajmer, Rajasthan, 305817, India
| | - Yuvraj Singh
- Pharmaceutics Division, CSIR-Central Drug Research Institute, Lucknow, UP, 226031 India
| | - Manish K Chourasia
- Pharmaceutics Division, CSIR-Central Drug Research Institute, Lucknow, UP, 226031 India
| | - Vipin Kumar
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandar Sindri, Ajmer, Rajasthan, 305817, India
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Bunik V, Aleshin V. Analysis of the Protein Binding Sites for Thiamin and Its Derivatives to Elucidate the Molecular Mechanisms of the Noncoenzyme Action of Thiamin (Vitamin B1). STUDIES IN NATURAL PRODUCTS CHEMISTRY 2017. [DOI: 10.1016/b978-0-444-63930-1.00011-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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24
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Patel HK, Gajbhiye V, Kesharwani P, Jain NK. Ligand anchored poly(propyleneimine) dendrimers for brain targeting: Comparative in vitro and in vivo assessment. J Colloid Interface Sci 2016; 482:142-150. [DOI: 10.1016/j.jcis.2016.07.047] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 07/19/2016] [Accepted: 07/19/2016] [Indexed: 11/16/2022]
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25
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Edwards KA, Seog WJ, Han L, Feder S, Kraft CE, Baeumner AJ. High-Throughput Detection of Thiamine Using Periplasmic Binding Protein-Based Biorecognition. Anal Chem 2016; 88:8248-56. [PMID: 27460839 DOI: 10.1021/acs.analchem.6b02092] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Although antibodies and aptamers are commonly used bioaffinity recognition elements, they are not available for many important analytes. As an alternative, we demonstrate use of a periplasmic binding protein (PBP) to provide high affinity recognition for thiamine (vitamin B1), an analyte of great importance to human and environmental health for which, like so many other small molecules, no suitable biorecognition element is available. We demonstrate that with an appropriate competitive strategy, a highly sensitive (limit of detection of 0.5 nM) and specific bioassay for thiamine and its phosphorylated derivatives can be designed. The high-throughput method relies upon the thiamine periplasmic binding protein (TBP) from Escherichia coli for thiamine biorecognition and dye-encapsulating liposomes for signal-enhancement. A thiamine monosuccinate-PEG-biotin derivative was synthesized to serve as an immobilized competitor that overcame constraints imposed by the deep binding cleft and structural recognition requirements of PBPs. The assay was applied to ambient environmental samples with high reproducibility. These findings demonstrate that PBPs can serve as highly specific and sensitive affinity recognition elements in bioanalytical assay formats, thereby opening up the field of affinity sensors to a new range of analytes.
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Affiliation(s)
- Katie A Edwards
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
| | - Woo Jin Seog
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
| | - Lu Han
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
| | - Seth Feder
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
| | - Clifford E Kraft
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
| | - Antje J Baeumner
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
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26
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Development and Characterization of the Paclitaxel loaded Riboflavin and Thiamine Conjugated Carbon Nanotubes for Cancer Treatment. Pharm Res 2016; 33:1769-81. [DOI: 10.1007/s11095-016-1916-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Accepted: 03/28/2016] [Indexed: 01/04/2023]
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27
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Posadas I, Monteagudo S, Ceña V. Nanoparticles for brain-specific drug and genetic material delivery, imaging and diagnosis. Nanomedicine (Lond) 2016; 11:833-49. [PMID: 26980585 DOI: 10.2217/nnm.16.15] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The poor access of therapeutic drugs and genetic material into the central nervous system due to the presence of the blood-brain barrier often limits the development of effective noninvasive treatments and diagnoses of neurological disorders. Moreover, the delivery of genetic material into neuronal cells remains a challenge because of the intrinsic difficulty in transfecting this cell type. Nanotechnology has arisen as a promising tool to provide solutions for this problem. This review will cover the different approaches that have been developed to deliver drugs and genetic material efficiently to the central nervous system as well as the main nanomaterials used to image the central nervous system and diagnose its disorders.
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Affiliation(s)
- Inmaculada Posadas
- Unidad Asociada Neurodeath, Facultad de Medicina, Universidad de Castilla-La Mancha, Albacete, Spain.,CIBERNED, Instituto de Salud Carlos III, Madrid, Spain
| | - Silvia Monteagudo
- Unidad Asociada Neurodeath, Facultad de Medicina, Universidad de Castilla-La Mancha, Albacete, Spain.,CIBERNED, Instituto de Salud Carlos III, Madrid, Spain
| | - Valentín Ceña
- Unidad Asociada Neurodeath, Facultad de Medicina, Universidad de Castilla-La Mancha, Albacete, Spain.,CIBERNED, Instituto de Salud Carlos III, Madrid, Spain
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Dwivedi N, Shah J, Mishra V, Mohd Amin MCI, Iyer AK, Tekade RK, Kesharwani P. Dendrimer-mediated approaches for the treatment of brain tumor. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2016; 27:557-80. [PMID: 26928261 DOI: 10.1080/09205063.2015.1133155] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Worldwide, the cancer appeared as one of the most leading cause of morbidity and mortality. Among the various cancer types, brain tumors are most life threatening with low survival rate. Every year approximately 238,000 new cases of brain and other central nervous system tumors are diagnosed. The dendrimeric approaches have a huge potential for diagnosis and treatment of brain tumor with targeting abilities of molecular cargoes to the tumor sites and the efficiency of crossing the blood brain barrier and penetration to brain after systemic administration. The various generations of dendrimers have been designed as novel targeted drug delivery tools for new therapies including sustained drug release, gene therapy, and antiangiogenic activities. At present era, various types of dendrimers like PAMAM, PPI, and PLL dendrimers validated them as milestones for the treatment and diagnosis of brain tumor as well as other cancers. This review highlights the recent research, opportunities, advantages, and challenges involved in development of novel dendrimeric complex for the therapy of brain tumor.
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Affiliation(s)
- Nitin Dwivedi
- a Pharmacology Research Laboratory, Institute of Pharmacy , Nirma University , Ahmedabad , India
| | - Jigna Shah
- a Pharmacology Research Laboratory, Institute of Pharmacy , Nirma University , Ahmedabad , India
| | - Vijay Mishra
- b Pharmaceutical Nanotechnology Research Laboratory , Adina Institute of Pharmaceutical Sciences , Sagar , India
| | - Mohd Cairul Iqbal Mohd Amin
- c Faculty of Pharmacy, Centre for Drug Delivery Research , Universiti Kebangsaan Malaysia , Kuala Lumpur , Malaysia
| | - Arun K Iyer
- d Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences , Wayne State University , Detroit , MI , USA
| | - Rakesh Kumar Tekade
- e Department of Pharmaceutical Technology , School of Pharmacy , The International Medical University , Jalan Jalil Perkasa, Kuala Lumpur , Malaysia
| | - Prashant Kesharwani
- d Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences , Wayne State University , Detroit , MI , USA
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29
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Mishra V, Kesharwani P. Dendrimer technologies for brain tumor. Drug Discov Today 2016; 21:766-78. [PMID: 26891979 DOI: 10.1016/j.drudis.2016.02.006] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2015] [Revised: 01/21/2016] [Accepted: 02/08/2016] [Indexed: 12/27/2022]
Abstract
Despite low prevalence, brain tumors are one of the most lethal forms of cancer. Unfortunately the blood-brain barrier (BBB), a highly regulated, well coordinated and efficient barrier, checks the permeation of most of the drugs across it. Hence, crossing this barrier is one of the most significant challenges in the development of efficient central nervous system therapeutics. Surface-engineered dendrimers improve biocompatibility, drug-release kinetics and aptitude to target the BBB and/or tumors and facilitate transportation of anticancer bioactives across the BBB. This review sheds light on different aspects of brain tumors and dendrimers based on different approaches for treatment including recent research, opportunities and challenges encountered in development of novel and efficient dendrimer-based therapeutics for the treatment of brain tumors.
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Affiliation(s)
- Vijay Mishra
- Pharmaceutical Nanotechnology Research Laboratory, Adina Institute of Pharmaceutical Sciences, Sagar, M.P. 470002, India
| | - Prashant Kesharwani
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA.
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Appelhans D, Klajnert-Maculewicz B, Janaszewska A, Lazniewska J, Voit B. Dendritic glycopolymers based on dendritic polyamine scaffolds: view on their synthetic approaches, characteristics and potential for biomedical applications. Chem Soc Rev 2015; 44:3968-96. [DOI: 10.1039/c4cs00339j] [Citation(s) in RCA: 107] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The potential of dendritic glycopolymers based on dendritic polyamine scaffolds for biomedical applications is presented and compared with that of the structurally related anti-adhesive dendritic glycoconjugates.
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Affiliation(s)
- Dietmar Appelhans
- Leibniz-Institut für Polymerforschung Dresden e.V
- 01069 Dresden
- Germany
| | - Barbara Klajnert-Maculewicz
- Department of General Biophysics
- Faculty of Biology and Environmental Protection
- University of Lodz
- 90-236 Lodz
- Poland
| | - Anna Janaszewska
- Department of General Biophysics
- Faculty of Biology and Environmental Protection
- University of Lodz
- 90-236 Lodz
- Poland
| | - Joanna Lazniewska
- Department of General Biophysics
- Faculty of Biology and Environmental Protection
- University of Lodz
- 90-236 Lodz
- Poland
| | - Brigitte Voit
- Leibniz-Institut für Polymerforschung Dresden e.V
- 01069 Dresden
- Germany
- Organic Chemistry of Polymers
- Technische Universität Dresden
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Kesharwani P, Iyer AK. Recent advances in dendrimer-based nanovectors for tumor-targeted drug and gene delivery. Drug Discov Today 2014; 20:536-47. [PMID: 25555748 DOI: 10.1016/j.drudis.2014.12.012] [Citation(s) in RCA: 222] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 11/24/2014] [Accepted: 12/22/2014] [Indexed: 01/09/2023]
Abstract
Advances in the application of nanotechnology in medicine have given rise to multifunctional smart nanocarriers that can be engineered with tunable physicochemical characteristics to deliver one or more therapeutic agent(s) safely and selectively to cancer cells, including intracellular organelle-specific targeting. Dendrimers having properties resembling biomolecules, with well-defined 3D nanopolymeric architectures, are emerging as a highly attractive class of drug and gene delivery vector. The presence of numerous peripheral functional groups on hyperbranched dendrimers affords efficient conjugation of targeting ligands and biomarkers that can recognize and bind to receptors overexpressed on cancer cells for tumor-cell-specific delivery. The present review compiles the recent advances in dendrimer-mediated drug and gene delivery to tumors by passive and active targeting principles with illustrative examples.
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Affiliation(s)
- Prashant Kesharwani
- Use-inspired Biomaterials and Integrated Nano Delivery (U-BiND) Systems Laboratory, Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA
| | - Arun K Iyer
- Use-inspired Biomaterials and Integrated Nano Delivery (U-BiND) Systems Laboratory, Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA.
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Lazniewska J, Janaszewska A, Miłowska K, Caminade AM, Mignani S, Katir N, El Kadib A, Bryszewska M, Majoral JP, Gabryelak T, Klajnert-Maculewicz B. Promising low-toxicity of viologen-phosphorus dendrimers against embryonic mouse hippocampal cells. Molecules 2013; 18:12222-40. [PMID: 24084024 PMCID: PMC6270227 DOI: 10.3390/molecules181012222] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Revised: 09/24/2013] [Accepted: 09/24/2013] [Indexed: 02/01/2023] Open
Abstract
A new class of viologen-phosphorus dendrimers (VPDs) has been recently shown to possess the ability to inhibit neurodegenerative processes in vitro. Nevertheless, in the Central Nervous Systems domain, there is little information on their impact on cell functions, especially on neuronal cells. In this work, we examined the influence of two VPD (VPD1 and VPD3) of zero generation (G0) on murine hippocampal cell line (named mHippoE-18). Extended analyses of cell responses to these nanomolecules comprised cytotoxicity test, reactive oxygen species (ROS) generation studies, mitochondrial membrane potential (ΔΨm) assay, cell death detection, cell morphology assessment, cell cycle studies, as well as measurements of catalase (CAT) activity and glutathione (GSH) level. The results indicate that VPD1 is more toxic than VPD3. However, these two tested dendrimers did not cause a strong cellular response, and induced a low level of apoptosis. Interestingly, VPD1 and VPD3 treatment led to a small decline in ROS level compared to untreated cells, which correlated with slightly increased catalase activity. This result indicates that the VPDs can indirectly lower the level of ROS in cells. Summarising, low-cytotoxicity on mHippoE-18 cells together with their ability to quench ROS, make the VPDs very promising nanodevices for future applications in the biomedical field as nanocarriers and/or drugs per se.
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Affiliation(s)
- Joanna Lazniewska
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, Lodz 90236, Poland.
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Gupta R, Mehra NK, Jain NK. Fucosylated multiwalled carbon nanotubes for Kupffer cells targeting for the treatment of cytokine-induced liver damage. Pharm Res 2013; 31:322-34. [PMID: 24043294 DOI: 10.1007/s11095-013-1162-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Accepted: 07/28/2013] [Indexed: 11/24/2022]
Abstract
PURPOSE To develop, characterize and exploring the sulfasalazine loaded fucoyslated multi walled carbon nanotubes for Kupffer cell targeting for effective management of cytokine-induce liver damage. METHODS Sulfasalazine was loaded into the fucosylated MWCNTs after subsequential functionalization (carboxylation, acylation and amidation) using dialysis membrane technique. The in vitro, in vivo studies were performed on macrophages J 774 cell line for Kupffer cells targeting for the treatment of cytokine-induced liver damage. RESULTS The loading of SSZ into SSZ-FUCO-MWCNTs was 87.77 ± 0.11% (n = 3). Sustained release was obtained from SSZ-FUCO-MWCNTs, with 89.12 ± 0.71% of SSZ released into medium at 48th hr. SSZ-FUCO-MWCNTs showed the 9.0 ± 0.23% hemolysis was drastically reduced from 21.62 ± 0.24% SSZMWCNTs 21.62 ± 0.24%. In SRB assay, SSZ-FUCO-MWCNTs showed more cytotoxicity than raw and SSZ-MWCNTs. In cytokine assay, SSZ- FUCO-MWCNTs exhibited significantly higher inhibition of IL-12 p40 secretion. In Western blot assay, SSZ-FUCO-MWCNTs significantly inhibit NF-κB activation. CONCLUSION The results suggested that the SSZ-FUCO-MWCNTs may be useful nano-carriers for targeted delivery to Kupffer cells in the treatment of cytokine-induced liver damage.
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Affiliation(s)
- Richa Gupta
- Pharmaceutics Research Laboratory Department of Pharmaceutical Sciences, Dr. H. S. Gour University, Sagar, MP, 470 003, India
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Pramanik A, Laha D, Pramanik P, Karmakar P. A novel drug "copper acetylacetonate" loaded in folic acid-tagged chitosan nanoparticle for efficient cancer cell targeting. J Drug Target 2013; 22:23-33. [PMID: 23987131 DOI: 10.3109/1061186x.2013.832768] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Several copper compounds have proven anti-cancer activity. Similarly, curcumin a derivative of 1,3 diketone, which is not plenty in nature, has comparable anti-cancer activity. In this work, we have explored the synergistic anti-cancer activity of copper ion and acetylacetone complex containing 1,3 diketone group. The cytotoxicity of the copper acetylacetonate (CuAA) complex was evaluated on various cancer cells and LD50 doses were determined. To investigate the mechanism, various biochemical assays were performed and reactive oxygen species as well as the glutathione level in the cell were found to be increased after the treatment with the above-mentioned complex. Further this reagent induced apoptosis and reduced mitochondrial membrane potential of the cells. Because of the poor solubility and reasonable cytotoxicity of CuAA, polymer nanoparticles (NPs) of chitosan derivatives were used for delivery in cancer cells. For the targeted delivery, folic acid-tagged hydrophobic-modified chitosan NPs were developed and the CuAA was encapsulated. Finally, these drug-encapsulated NPs were successfully delivered to folate receptor over-expressed cancer cells. Thus using nanotechnology, we developed an anti-cancer agent suitable for targeted delivery.
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Affiliation(s)
- Arindam Pramanik
- Department of Life Science and Biotechnology, Jadavpur University , Kolkata, West Bengal , India and
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Lazniewska J, Milowska K, Zablocka M, Mignani S, Caminade AM, Majoral JP, Bryszewska M, Gabryelak T. Mechanism of cationic phosphorus dendrimer toxicity against murine neural cell lines. Mol Pharm 2013; 10:3484-96. [PMID: 23898892 DOI: 10.1021/mp4003255] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The purpose of this manuscript is to study the toxic responses against murine embryonic hippocampal cells (mHippoE-18) and neuroblastoma cells (N2a) to treatment with cationic phosphorus dendrimers (CPD). Two low generations of CPD--generation 2 (G2) and generation 3 (G3)--were applied to cell cultures to monitor events leading to either apoptosis or necrosis. These processes were analyzed using several bioassays, which included the detection of reactive oxygen species (ROS), mitochondrial membrane potential (ΔΨm) alterations, morphology changes, apoptotic and dead cells, cytochrome c (Cyt c) release, caspase 3 activity, DNA fragmentation, as well as changes in cell cycle phases distribution. The results showed that CPD became highly cytotoxic at concentrations above 1 μM and at 0.7 μM in the case of G3 for mHippoE-18 cells. The toxicity was manifested by a pronounced decrease in cell viability, which is correlated with disturbances in cellular activities, such as massive ROS generation. The breakdown of cellular processes leads mainly to the necrotic cell death. Our findings are of high importance in the context of further biomedical studies on CPD.
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Affiliation(s)
- Joanna Lazniewska
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz , Pomorska 141/143, 90-236 Lodz, Poland
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Abstract
Receptor-based targeting of therapeutics may be a fascinating proposition to improve the therapeutic efficacy of encapsulated drugs. The development of safe and effective nanomedicines is a prerequisite in the current nanotechnological scenario. Currently, the surface engineering of nanocarriers has attracted great attention for targeted therapeutic delivery by selective binding of targeting ligand to the specific receptors present on the surface of cells. In this review, we have discussed the current status of various receptors such as transferrin, lectoferrin, lectin, folate, human EGF receptor, scavenger, nuclear and integrin, which are over-expressed on the surface of cancer cells; along with the relevance of targeted delivery systems such as nanoparticles, polymersomes, dendrimers, liposomes and carbon nanotubes. The review also focuses on the effective utilization of receptor-based targeted delivery systems for the management of cancer in effective ways by minimizing the drug-associated side effects and improving the therapeutic efficacy of developed nano-architectures.
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Affiliation(s)
- Natallia Shcharbina
- Republican Research and Practical Center of Neurology and Neurosurgery, Minsk, Belarus
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