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Jain A, Sharma R, Gautam L, Shrivastava P, Singh KK, Vyas SP. Biomolecular interactions between Plasmodium and human host: A basis of targeted antimalarial therapy. Ann Pharm Fr 2024; 82:401-419. [PMID: 38519002 DOI: 10.1016/j.pharma.2024.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 03/12/2024] [Accepted: 03/18/2024] [Indexed: 03/24/2024]
Abstract
Malaria is one of the serious health concerns worldwide as it remains a clinical challenge due to the complex life cycle of the malaria parasite and the morphological changes it undergoes during infection. The malaria parasite multiplies rapidly and spreads in the population by changing its alternative hosts. These various morphological stages of the parasite in the human host cause clinical symptoms (anemia, fever, and coma). These symptoms arise due to the preprogrammed biology of the parasite in response to the human pathophysiological response. Thus, complete elimination becomes one of the major health challenges. Although malaria vaccine(s) are available in the market, they still contain to cause high morbidity and mortality. Therefore, an approach for eradication is needed through the exploration of novel molecular targets by tracking the epidemiological changes the parasite adopts. This review focuses on the various novel molecular targets.
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Affiliation(s)
- Anamika Jain
- Drug Delivery and Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, M.P., 470003, India
| | - Rajeev Sharma
- Amity Institute of Pharmacy, Amity University Madhya Pradesh, Gwalior, M.P., 474005, India.
| | - Laxmikant Gautam
- Babulal Tarabai Institute of Pharmaceutical Science, Sagar, M.P., 470228, India
| | - Priya Shrivastava
- Drug Delivery and Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, M.P., 470003, India
| | - Kamalinder K Singh
- School of Pharmacy and Biomedical Sciences, Faculty of Clinical and Biomedical Sciences, University of Central Lancashire, Preston PR1 2HE, United Kingdom
| | - Suresh P Vyas
- Drug Delivery and Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, M.P., 470003, India.
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Sharma R, Shrivastava P, Gautam L, Agrawal U, Mohana Lakshmi S, Vyas SP. Rationally designed block copolymer-based nanoarchitectures: An emerging paradigm for effective drug delivery. Drug Discov Today 2023; 28:103786. [PMID: 37742910 DOI: 10.1016/j.drudis.2023.103786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 09/05/2023] [Accepted: 09/19/2023] [Indexed: 09/26/2023]
Abstract
Various polymeric materials have been investigated to produce unique modes of delivery for drug modules to achieve either temporal or spatial control of bioactives delivery. However, after intravenous administration, phagocytic cells quickly remove these nanostructures from the systemic circulation via the reticuloendothelial system (RES). To overcome these concerns, ecofriendly block copolymers are increasingly being investigated as innovative carriers for the delivery of bioactives. In this review, we discuss the design, fabrication techniques, and recent advances in the development of block copolymers and their applications as drug carrier systems to improve the physicochemical and pharmacological attributes of bioactives.
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Affiliation(s)
- Rajeev Sharma
- Amity Institute of Pharmacy, Amity University Madhya Pradesh, Gwalior, MP 474005, India
| | - Priya Shrivastava
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr Harisingh Gour Central University, Sagar, MP 470003, India
| | - Laxmikant Gautam
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr Harisingh Gour Central University, Sagar, MP 470003, India; Babulal Tarabai Institute of Pharmaceutical Science, Sagar, M.P., 470228
| | - Udita Agrawal
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr Harisingh Gour Central University, Sagar, MP 470003, India
| | - S Mohana Lakshmi
- Amity Institute of Pharmacy, Amity University Madhya Pradesh, Gwalior, MP 474005, India
| | - Suresh P Vyas
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr Harisingh Gour Central University, Sagar, MP 470003, India.
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Shrivastava P, Mahale A, Prakash Kulkarni O, Kashaw SK, Vyas SP. Targeted intracellular delivery of antitubercular bioactive(s) to Mtb infected macrophages via transferrin functionalized nanoliposomes. Int J Pharm 2023:123189. [PMID: 37391107 DOI: 10.1016/j.ijpharm.2023.123189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/02/2023]
Abstract
The packaging of antimicrobials/chemotherapeutics into nanoliposomes can enhance their activity while minimizing toxicity. However, their use is still limited owing to inefficient/inadequate loading strategies. Several bioactive(s) which are non ionizable, and poorly aqueous soluble cannot be easily encapsulated into aqueous core of liposomes by using conventional means. Such bioactive(s) however could be encapsulated in the liposomes by forming their water soluble molecular inclusion complex with cyclodextrins. In this study, we developed Rifampicin (RIF) - 2-hydroxylpropyl-β-cyclodextrin (HP-β-CD) molecular inclusion complex. The HP-β-CD-RIF complex interaction was assessed by using computational analysis (molecular modeling). The HP-β-CD-RIF complex and Isoniazid were co-loaded in the small unilamellar vesicles (SUVs). Further, the developed system was functionalized with transferrin, a targeting moiety. Transferrin functionalized SUVs (Tf-SUVs) could preferentially deliver their payload intracellularly in the endosomal compartment of macrophages. In in vitro study on infected Raw 264.7 macrophage cells revealed that the encapsulated bioactive(s) could eradicate the pathogen more efficiently than free bioactive(s). In vivo studies further revealed that the Tf-SUVs could accumulate and maintain intracellular bioactive(s) concentrations in macrophages. The study suggests Tf-SUVs as a promising module for targeted delivery of a drug combination with improved/optimal therapeutic index and effective clinical outcomes.
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Affiliation(s)
- Priya Shrivastava
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, (M.P.), India, 470003
| | - Ashutosh Mahale
- Department of Pharmacy (Pharmacology division), Birla Institute of Technology and Science Pilani, Hyderabad Campus, Telangana, 500078, India
| | - Onkar Prakash Kulkarni
- Department of Pharmacy (Pharmacology division), Birla Institute of Technology and Science Pilani, Hyderabad Campus, Telangana, 500078, India
| | - Sushil K Kashaw
- Integrated Drug Discovery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, (M.P.), India, 470003
| | - Suresh P Vyas
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, (M.P.), India, 470003.
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Varshney M, Saxena A, Binnani N, Kumar V, Vyas SP. Clinicopathological association of mucormycosis in COVID 19 pandemic. INDIAN J PATHOL MICR 2023; 66:101-105. [PMID: 36656219 DOI: 10.4103/ijpm.ijpm_699_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Context Coinfection and superadded infections in patients with coronavirus disease 2019 (COVID-19) has been reported on multiple series. The emerging second wave of the pandemic has come with a lot of changes, especially in developing countries like India. One of such changes is sudden, significant rise in mucormycosis cases. Aims To find out clinicopathological association of invasive mucormycosis with COVID-19 infection status and immunocompromised state. Settings and Design A cross-sectional study done at a tertiary care centre. Methods and Material All cases admitted in the dedicated mucormycosis ward between 1-06-2021 and 15-06-2021 were included in the study. The cases were admitted with suspicion of mucormycosis. The histopathological results were correlated with KOH mount and radiological reports. The clinicopathological association of occurrence of mucormycosis in post-covid and non-COVID patients along with other risk factors. Statistical Analysis Used Odds ratio, chi square test were used to find the association using MS Excel 2010 and SPSS. Results Thirty-six (81.82%) cases were of the post-COVID status, and 8 cases were non-COVID status. Out of 36 post-COVID patients, 33 (91.67%) showed evidence of invasive mucormycosis and of 8 non-COVIDpatients, 7 had evidence of mucormycosis (odds ratio = 1.57). Out of the total diagnosed cases of mucormycosis, 21 (52.5%) patients were known cases of diabetes mellitus (DM), and 7 (17.5%) cases of newly diagnosed hyperglycemia. Thirty (75%) patients out of 40 had some form of immunocompromised state. This shows statistically significant association of DM and immunocompromised state with the occurrence of mucormycosis in post-COVID patients (chi square value2 = 6.891, P value = 0.008). Twenty-five patients had the history of steroid use during the treatment of COVID-19. Conclusions The infection with COVID-19 definitely increases the odds of contracting mucormycosis, but most of the cases had diabetes mellitus. So, it is possible that COVID-19 virus predisposes individuals to invasive fungal infection by precipitating DM.
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Affiliation(s)
- Mradul Varshney
- Department of Pathology, Sardar Patel Medical College, Bikaner, Rajasthan, India
| | - Ayushi Saxena
- Department of Pathology, Sardar Patel Medical College, Bikaner, Rajasthan, India
| | - Nidhi Binnani
- Department of Pathology, Sardar Patel Medical College, Bikaner, Rajasthan, India
| | - Vanita Kumar
- Department of Pathology, Sardar Patel Medical College, Bikaner, Rajasthan, India
| | - S P Vyas
- Department of Pathology, Sardar Patel Medical College, Bikaner, Rajasthan, India
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Gautam L, Vyas SP. Site-Specific Delivery of Doxorubicin Using Cell-Penetrating Peptide for Lung Cancer Chemotherapy. Int J Pharm Investig 2022. [DOI: 10.5530/223097131810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Gautam L, Shrivastava P, Yadav B, Jain A, Sharma R, Vyas S, Vyas SP. Multicompartment systems: A putative carrier for combined drug delivery and targeting. Drug Discov Today 2021; 27:1184-1195. [PMID: 34906689 DOI: 10.1016/j.drudis.2021.12.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 10/27/2021] [Accepted: 12/08/2021] [Indexed: 12/11/2022]
Abstract
In this review, we discuss recent developments in multicompartment systems commonly referred to as vesosomes, as well as their method of preparation, surface modifications, and clinical potential. Vesosomal systems are able to entrap more than one drug moiety and can be customized for site-specific delivery. We focus in particular on the possible reticuloendothelial system (RES) - mediated accumulation of vesosomes, and their application in tumor targeting, as areas for further investigation.
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Affiliation(s)
- Laxmikant Gautam
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP 470003, India
| | - Priya Shrivastava
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP 470003, India
| | - Bhavana Yadav
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP 470003, India
| | - Anamika Jain
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP 470003, India
| | - Rajeev Sharma
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP 470003, India
| | - Sonal Vyas
- Shri Chaitanya Hospital, Sagar, MP 470003, India
| | - S P Vyas
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP 470003, India.
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Anamika J, Nikhar V, Laxmikant G, Priya S, Sonal V, Vyas SP. Nanobiotechnological modules as molecular target tracker for the treatment and prevention of malaria: options and opportunity. Drug Deliv Transl Res 2021; 10:1095-1110. [PMID: 32378173 PMCID: PMC7223109 DOI: 10.1007/s13346-020-00770-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Malaria is one of the major infectious diseases that remains a constant challenge to human being mainly due to the emergence of drug-resistant strains of parasite and also the availability of drugs, which are non-specific for their pharmacodynamic activity and known to be associated with multiple side effects. The disease has acquired endemic proportions in tropical countries where the hygienic conditions are not satisfactory while the environmental conditions favor the proliferation of parasite and its transmission, particularly through the female anopheles. It is obvious that to square up the problems, there is a need for designing and development of more effective drugs, which can combat the drug-resistant strains of the parasite. Molecular biology of the parasite and its homing into host cellular tropics provide multiple drug targets that could judiciously be considered for engineering and designing of new generation antimalarial drugs and also drug delivery systems. Though the recent reports document that against malaria parasite the vaccine could be developed, nevertheless, due to smart mutational change overs by the parasite, it is able to bypass the immune surveillance. The developed vaccine therefore failed to assure absolute protection against the malarial infection. In the conventional mode of treatment antimalarial drugs, the dose and dosage regimen that is followed at large crops up the contraindicative manifestations, and hence compromising the effective treatment. The emerging trends and new updates in contemporary biological sciences, material sciences, and drug delivery domain have enabled us with the availability of a multitude of mode and modules which could plunge upon the nanotechnology in particular to treat this challenging infection. The nanotechnology-based option may be tuned or customized as per the requirements to mark and target i.e. the infected RBCs, for targeted drug delivery. Graphical abstract ![]()
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Affiliation(s)
- Jain Anamika
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar, M.P., 470003, India
| | - Vishwakarma Nikhar
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar, M.P., 470003, India
| | - Gautam Laxmikant
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar, M.P., 470003, India
| | - Shrivastava Priya
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar, M.P., 470003, India
| | - Vyas Sonal
- Department of Pathology, Index Medical College, Hospital & Research Centre, Indore, M.P., India
| | - S P Vyas
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar, M.P., 470003, India.
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Shrivastava P, Gautam L, Sharma R, Dube D, Vyas S, Vyas SP. Dual antitubercular drug loaded liposomes for macrophage targeting: development, characterisation, ex vivo and in vivo assessment. J Microencapsul 2021; 38:108-123. [PMID: 33267623 DOI: 10.1080/02652048.2020.1857861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 11/26/2020] [Indexed: 10/22/2022]
Abstract
AIM The present study was conducted to formulate and investigate liposomes for the dual drug delivery based on anti-tubercular drug(s) combination i.e. Isoniazid (INH) and Rifampicin (RIF). MATERIALS AND METHODS Mannosylated and non mannosylated liposomes were prepared by lipid thin film hydration method, using DSPC: Chol at a molar ratio 6:4 while in case of mannosylated liposomes DSPC: Chol: Man-C4-Chol at a molar ratio 6.0:3.5:0.5 were used and extensively characterised. The particle size and zeta potential were recorded to be 1.29 ± 0.24 µm and -9.1 ± 0.11 mV. The drug entrapment (%) was recorded to be 84.7 ± 1.25% for Rifampicin and 31.8 ± 0.12% for Isoniazid. RESULTS The antitubercular activity studied in Balb/C mice was maximum in the case of mannosylated liposomes. The biodistribution studies also revealed higher drug(s) concentration (accumulation) maintained over a protracted period. CONCLUSIONS The liposomal preparations are passively as well as actively uptaken by the alveolar macrophages which are the cellular tropics of infection. The mannosylated liposomes appear to be a potential carrier for dual drug delivery and targeted antitubercular therapy.
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Affiliation(s)
- Priya Shrivastava
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP, India
| | - Laxmikant Gautam
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP, India
| | - Rajeev Sharma
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP, India
| | - Devyani Dube
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP, India
| | - Sonal Vyas
- Bundelkhand Medical College and Hospital, Sagar, MP, India
| | - Suresh P Vyas
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, MP, India
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Shrivastava P, Gautam L, Jain A, Vishwakarma N, Vyas S, Vyas SP. Lipid Drug Conjugates for Improved Therapeutic Benefits. Curr Pharm Des 2021; 26:3187-3202. [PMID: 32160838 DOI: 10.2174/1381612826666200311124003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 12/21/2019] [Indexed: 11/22/2022]
Abstract
Lipid drug conjugates (LDCs) are the chemical entities, which are commonly referred to as lipoidal prodrug. They contain the bioactive molecules, covalently or non-covalently linked with lipids like fatty acids, glycerides or phospholipids. Lipid drug conjugates are fabricated with the aim of increasing drug payload. It also prevents leakage of a highly polar bioactive(s) from the lipophilic matrix. Conjugating lipidic moieties to bioactive molecules improves hydrophobicity. It also modifies other characteristics of bioactive(s). These conjugates possess numerous merits encompassing enhanced tumor targeting, lymphatic system targeting, systemic bioavailability and decreased toxicity. Different conjugation approaches, chemical linkers and spacers can be used to synthesize LDCs based on the chemical behaviour of lipidic moieties and bioactive(s). The factors such as coupling/ conjugation methods, the linkers etc. regulate and control the release of bioactive(s) from the LDCs. It is considered as a crucial parameter for the better execution of the LDCs. The purpose of this review is to explore widely the potential of LDCs as an approach for improving the therapeutic indices of bioactive(s). In this review, the conjugation methods, various lipids used for preparing LDCs, and advantages of using LDCs are summarized. Though LDCs might be administered without using a carrier; however, majority of them are incorporated in an appropriate nanocarrier system. In the conjugates, the lipidic component may considerably improve the loading of lipoidal bioactive(s) in the lipid compartments. This results in high % drug entrapment in nanocarriers with greater stability. Several nanometric carriers such as polymeric nanoparticles, micelles, liposomes, emulsions and lipid nanoparticles, which have been explored, are reviewed here.
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Affiliation(s)
- Priya Shrivastava
- Drug Delivery and Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, (M.P.), 470003, India
| | - Laxmikant Gautam
- Drug Delivery and Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, (M.P.), 470003, India
| | - Anamika Jain
- Drug Delivery and Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, (M.P.), 470003, India
| | - Nikhar Vishwakarma
- Drug Delivery and Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, (M.P.), 470003, India
| | - Sonal Vyas
- Department of Pathology, Index Medical College, Hospital and Research Centre, Indore, (M.P.), 452016, India
| | - Suresh P Vyas
- Drug Delivery and Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar, (M.P.), 470003, India
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Pathak A, Aggarwal A, Kurupati RK, Patnaik S, Swami A, Singh Y, Kumar P, Vyas SP, Gupta KC. Retraction Note: Engineered Polyallylamine Nanoparticles for Efficient In Vitro Transfection. Pharm Res 2020; 37:253. [PMID: 33274394 DOI: 10.1007/s11095-020-02971-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
This article has been retracted. Please see the Retraction Notice for more detail: https://doi.org/10.1007/s11095-020-02971-0.
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Affiliation(s)
- Atul Pathak
- Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi, 110007, India
| | - Anita Aggarwal
- Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi, 110007, India
| | - Raj K Kurupati
- Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi, 110007, India
| | - Soma Patnaik
- Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi, 110007, India
| | - Archana Swami
- Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi, 110007, India
| | - Yogendra Singh
- Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi, 110007, India
| | - Pradeep Kumar
- Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi, 110007, India
| | - Suresh P Vyas
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, M.P., 470003, India
| | - Kailash C Gupta
- Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi, 110007, India.
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Banjare N, Gautam L, Behera C, Gupta PN, Vyas S, Vyas SP. Cyclodextrin nanosponges based site-retentive controlled release system for treatment of rheumatic arthritis. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101973] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Paliwal R, Paliwal SR, Agrawal GP, Vyas SP. Correction to "Biomimetic Solid Lipid Nanoparticles for Oral Bioavailability Enhancement of Low Molecular Weight Heparin and Its Lipid Conjugates: In Vitro and in Vivo Evaluation". Mol Pharm 2020; 17:2228. [PMID: 32368919 DOI: 10.1021/acs.molpharmaceut.0c00426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Gupta S, Pathak Y, Gupta MK, Vyas SP. Nanoscale drug delivery strategies for therapy of ovarian cancer: conventional vs targeted. Artif Cells Nanomed Biotechnol 2020; 47:4066-4088. [PMID: 31625408 DOI: 10.1080/21691401.2019.1677680] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Ovarian cancer is the second most common gynaecological malignancy. It usually occurs in women older than 50 years, and because 75% of cases are diagnosed at stage III or IV it is associated with poor diagnosis. Despite the chemosensitivity of intraperitoneal chemotherapy, the majority of patients is relapsed and eventually dies. In addition to the challenge of early detection, its treatment presents several challenges like the route of administration, resistance to therapy with recurrence and specific targeting of cancer to reduce cytotoxicity and side effects. In ovarian cancer therapy, nanocarriers help overcome problems of poor aqueous solubility of chemotherapeutic drugs and enhance their delivery to the tumour sites either by passive or active targeting, and thus reducing adverse side effects to the healthy tissues. Moreover, the bioavailability to the tumour site is increased by the enhanced permeability and retention (EPR) mechanism. The present review aims to describe the current conventional treatment with special reference to passively and actively targeted drug delivery systems (DDSs) towards specific receptors designed against ovarian cancer to overcome the drawbacks of conventional delivery. Conclusively, targeted nanocarriers would optimise the intra-tumour distribution, followed by drug delivery into the intracellular compartment. These features may contribute to greater therapeutic effect.
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Affiliation(s)
- Swati Gupta
- Amity Institute of Pharmacy, Amity University Uttar Pradesh , Noida , India
| | - Yashwant Pathak
- College of Pharmacy, University of South Florida Health , Tampa , FL , USA.,Faculty of Pharmacy, University of Airlangga , Surabaya , Indonesia
| | - Manish K Gupta
- TERI-Deakin Nanobiotechnology Centre, The Energy and Resources Institute (TERI), Gual Pahari, TERI Gram , Gurugram , India
| | - Suresh P Vyas
- Department of Pharmaceutical Sciences, Dr H.S. Gour University , Sagar , India
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Dube D, Sharma R, Mody N, Gupta M, Agrawal U, Vyas SP. Animal models of tuberculosis. Anim Biotechnol 2020. [DOI: 10.1016/b978-0-12-811710-1.00002-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Adya AK, Agarwal N, Agrawal U, Azevedo V, Bahadur S, Banerjee S, Barh D, Bharadwaj M, Bhatt AN, Bhattacharjee A, Biswas S, Biyani M, Biyani M, Canetta E, Chakrabarti MK, Chanda J, Chandra PK, Chaturvedi R, Chauhan A, Chowbina S, Chowdhuri DK, Chowdhury MR, Das M, Datta A, Dube D, Dubey S, Dutta S, Dwarakanath BSR, Dwivedi PD, Gaur RK, Ghosh P, Gimpel JL, Gupta A, Gupta AK, Gupta M, Gupta UD, Harwansh RK, Hazra R, Hoque KM, Hussain S, Jain P, Jyoti A, Kamal S, Kanjilal S, Kashyap SK, Katiyar CK, Khan FH, Khan ZK, Khanna S, Khurana SMP, Kumar A, Kumar N, Kumar S, Kumar V, Kumar V, Lokman NA, Maherchandani S, Marwal A, Masih S, Maurya PK, Mehrotra R, Mishra A, Mody N, Mondal D, Mukherjee PK, Mukherjee S, Nalluri JJ, Nishigaki K, Nishu N, Oehler MK, Patel B, Pore D, Purushothaman P, Ram KR, Reza Khorramizadeh M, Ricciardelli C, Saadat F, Saha MK, Salawu EO, Shanker R, Sharma R, Singh A, Singh G, Singh M, Singh N, Singh SP, Srivastava P, Suckow MA, Das S, Tripathi R, Upadhyaya KC, Uppal T, Verma AK, Verma A, Verma AS, Verma M, Verma M, Verma M, Verma P, Verma SC, Verma V, Vyas SP, Yadav DK, Yadav N, Yamanaka K, Yiannakopoulou EC. List of Contributors. Anim Biotechnol 2020. [DOI: 10.1016/b978-0-12-811710-1.00043-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Sharma R, Vyas SP. Mannose functionalized plain and endosomolytic nanocomposite(s)-based approach for the induction of effective antitumor immune response in C57BL/6 mice melanoma model. Drug Dev Ind Pharm 2019; 45:1089-1100. [PMID: 30913925 DOI: 10.1080/03639045.2019.1593442] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The goal of present study to assess the antigen specific immunopotentiation effect of mannose functionalized endosomolytic and conventional nanocomposite(s) based combination approach using C57BL/6 mice melanoma model. Endosomolytic and conventional nanocomposite(s) were prepared by double emulsification method. The optimized formulation was extensively characterized for average particle size, zeta potential and PDI of nanocomposite(s) which were measured in range of ≈200 nm, 0.111 ± 0.024, -23.4 ± 2.0 mV, respectively. pH-dependent morphological changes in the surface of MRPRPNs and PRPNs were analyzed by using surface electron microscopy at different time intervals. The cellular uptake assessment of developed formulations were followed by using RAW 264.7 macrophage cell lines. Results revealed that after immunizing B16F10 melanoma cells implanted C57BL/6 mice with combination [endosomolytic and conventional nanocomposite(s)] of nanocomposite(s), a significant increase in the interleukins level i.e. IL-2, IFN-ϒ, IL-12 and IL-6 and OVA Ag(s) specific antibody responses were recorded. Consequently, a strong immunological response was elicited with specific polarization contributing to humoral and activation of CD8+ to cellular responses. Finding of histological examination also support the potential of therapeutic outcome. The present approach based on mannose surface functionalization for targeting to antigen presenting cells and pH-dependent prompt endosomal release and escape can be a promising system for efficient cancer immunotherapy.
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Affiliation(s)
- Rajeev Sharma
- a Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences , Dr. H. S. Gour University (A Central University) , Sagar , India
| | - S P Vyas
- a Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences , Dr. H. S. Gour University (A Central University) , Sagar , India
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Vishwakarma N, Jain A, Sharma R, Mody N, Vyas S, Vyas SP. Lipid-Based Nanocarriers for Lymphatic Transportation. AAPS PharmSciTech 2019; 20:83. [PMID: 30673895 DOI: 10.1208/s12249-019-1293-3] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 12/26/2018] [Indexed: 11/30/2022] Open
Abstract
The effectiveness of any drug is dependent on to various factors like drug solubility, bioavailability, selection of appropriate delivery system, and proper route of administration. The oral route for the delivery of drugs is undoubtedly the most convenient, safest and has been widely used from past few decades for the effective delivery of drugs. However, despite of the numerous advantages that oral route offers, it often suffers certain limitations like low bioavailability due to poor water solubility as well as poor permeability of drugs, degradation of the drug in the physiological pH of the stomach, hepatic first-pass metabolism, etc. The researchers have been continuously working extensively to surmount and address appropriately the inherent drawbacks of the oral drug delivery. The constant and continuous efforts have led to the development of lipid-based nano drug delivery system to overcome the aforesaid associated challenges of the oral delivery through lymphatic transportation. The use of lymphatic route has demonstrated its critical and crucial role in overcoming the problem associated and related to low bioavailability of poorly water-soluble and poorly permeable drugs by bypassing intestinal absorption and possible first-pass metabolism. The current review summarizes the bonafide perks of using the lipid-based nanocarriers for the delivery of drugs using the lymphatic route. The lipid-based nanocarriers seem to be a promising delivery system which can be optimized and further explored as an alternative to the conventional dosage forms for the enhancement of oral bioavailability of drugs, with better patient compliance, minimum side effect, and improved the overall quality of life.
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Raikwar S, Vyas S, Sharma R, Mody N, Dubey S, Vyas SP. Nanocarrier-Based Combination Chemotherapy for Resistant Tumor: Development, Characterization, and Ex Vivo Cytotoxicity Assessment. AAPS PharmSciTech 2018; 19:3839-3849. [PMID: 30280350 DOI: 10.1208/s12249-018-1185-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 09/11/2018] [Indexed: 01/24/2023] Open
Abstract
A folic acid-conjugated paclitaxel (PTX)-doxorubicin (DOX)-loaded nanostructured lipid carrier(s) (FA-PTX-DOX NLCs) were prepared by using emulsion-evaporation method and extensively characterized for particle size, polydispersity index, zeta potential, and % entrapment efficiency which were found to be 196 ± 2.5 nm, 0.214 ± 0.04, +23.4 ± 0.3 mV and 88.3 ± 0.2% (PTX), and 89.6 ± 0.5% (DOX) respectively. In vitro drug release study of optimized formulation was carried out using dialysis tube method. FA-conjugated PTX-DOX-loaded NLCs showed 75.6 and 78.4% (cumulative drug release) of PTX and DOX respectively in 72 h in PBS (pH 7.4)/methanol (7:3), while in the case of FA-conjugated PTX-DOX-loaded NLCs, cumulative drug release recorded was 80.4 and 82.8% of PTX and DOX respectively in 72 h in PBS (pH 4.0)/methanol (7:3). Further, the formulation(s) were evaluated for ex vivo cytotoxicity study. The cytotoxicity assay in doxorubicin-resistant human breast cancer MCF-7/ADR cell lines revealed lowest GI50 value of FA-D-P NLCs which was 1.04 ± 0.012 μg/ml, followed by D-P NLCs and D-P solution with GI50 values of 3.12 ± 0.023 and 3.89 ± 0.007 μg/ml, respectively. Findings indicated that the folic acid-conjugated PTX and DOX co-loaded NLCs exhibited lower GI50 values as compared to unconjugated PTX and DOX co-loaded NLCs; thus, they have relatively potential anticancer efficacy against resistant tumor.
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Sharma R, Dubey S, Mody N, Sharma G, Kushwah V, Jain S, Katare OP, Vyas SP. Release promoter-based systematically designed nanocomposite(s): a novel approach for site-specific delivery of tumor-associated antigen(s) (TAAs). Artificial Cells, Nanomedicine, and Biotechnology 2018; 46:776-789. [DOI: 10.1080/21691401.2018.1469137] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Rajeev Sharma
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Central University, Sagar, India
| | - Surabhi Dubey
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Central University, Sagar, India
| | - Nishi Mody
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Central University, Sagar, India
| | - Gajanand Sharma
- University Institute of Pharmaceutical Sciences, UGC-Centre of Advanced Studies, Panjab University, Chandigarh, India
| | - Varun Kushwah
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Mohali, Punjab, India
| | - Sanyog Jain
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Mohali, Punjab, India
| | - Om Prakash Katare
- University Institute of Pharmaceutical Sciences, UGC-Centre of Advanced Studies, Panjab University, Chandigarh, India
| | - Suresh P. Vyas
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Central University, Sagar, India
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Sharma R, Mody N, Kushwah V, Jain S, Vyas SP. C-Type lectin receptor(s)-targeted nanoliposomes: an intelligent approach for effective cancer immunotherapy. Nanomedicine (Lond) 2017; 12:1945-1959. [DOI: 10.2217/nnm-2017-0088] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: The purpose of present approach is to target C-Type lectin (CTL) receptors for preferential uptake by the macrophages/dendritic cells and improving the cross-presentation of ovalbumin. Materials & methods: Conventional and engineered nanoliposomes (MPNLs) were fabricated and extensively characterized. The nanoliposome(s) was spherical in shape; and their ζ potential, size and ovalbumin loading efficiency were recorded to be 268 ± 4.15 nm, 23.4 ± 0.35 mV, 46.65 ± 1.84%, respectively. Results: The findings demonstrate that MPNLs significantly improved the antigen uptake and its cross-presentation to evoke Th CD8+ cell-mediated cellular immunity. Conclusion: In a nutshell, this engineered approach mannose surface modification for active targeting to dendritic cells/macrophages and pH-dependent quick endosomal antigen release is a promising system for efficient cancer immunotherapy.
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Affiliation(s)
- Rajeev Sharma
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr HS Gour Central University, Sagar (MP), 470003, India
| | - Nishi Mody
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr HS Gour Central University, Sagar (MP), 470003, India
| | - Varun Kushwah
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Mohali, Punjab, 160062, India
| | - Sanyog Jain
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Mohali, Punjab, 160062, India
| | - SP Vyas
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr HS Gour Central University, Sagar (MP), 470003, India
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Abstract
Nanotechnology is considered to be significant innovative revolution that have found wide spectrum of applications in the fields ranging from medicine, diagnostics, electronics, and communications. Currently used pharmaceutical nanocarriers, such as dendrimers, micelles, nanoparticles, polymeric nanoparticles, microspheres, and many of the nanocarriers particularly in the area of drug delivery, offer a wide variety of useful properties, such as longevity in the blood allowing for their accumulation in pathological areas particularly those with compromised vasculature; specific targeting to certain disease sites; enhanced intracellular penetration of nanomaterial with contrast properties allowing for the direct visualization of carrier in vivo, and stimuli sensitivity allowing for triggered drug release from the carriers under certain physiological conditions. Some of the pharmaceutical carriers have already made their way into clinic, while others are still under preclinical development. Moreover, the engineering of multifunctional nanocarriers with several useful properties can significantly enhance the efficacy of many therapeutic and diagnostic protocols. These novel materials operate at the nanoscale range and provide new and powerful cutting edge tools for imaging, diagnosis, and therapy. This review considers current standing and possible future directions in the emerging area of multifunctional nanocarriers with primary attention on the combination of such properties as longevity, targetability, intracellular penetration, and contrast loading.
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Affiliation(s)
- Udita Agrawal
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar, Madhya Pradesh, 470003, India
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Sharma R, Agrawal U, Mody N, Vyas SP. Polymer nanotechnology based approaches in mucosal vaccine delivery: challenges and opportunities. Biotechnol Adv 2014; 33:64-79. [PMID: 25499178 DOI: 10.1016/j.biotechadv.2014.12.004] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2014] [Revised: 11/20/2014] [Accepted: 12/05/2014] [Indexed: 01/11/2023]
Abstract
Mucosal sites serve as the main portal for the entry of pathogens and thus immunization through mucosal routes can greatly improve the immunity. Researchers are continuously exploring the vaccination strategies to engender protective mucosal immune responses. Unearthing of mucosal adjuvants, that are safe and effective, is enhancing the magnitude and quality of the protective immune response. Use of nanotechnology based polymeric nanocarrier systems which encapsulate vaccine components for protection of sensitive payload, incorporate mucosal adjuvants to maximize the immune responses and target the mucosal immune system is a key strategy to improve the effectiveness of mucosal vaccines. These advances promise to accelerate the development and testing of new mucosal vaccines against many human diseases. This review focuses on the need for the development of nanocarrier based mucosal vaccines with emphases on the polymeric nanoparticles, their clinical status and future perspectives. This review focuses on the need and new insights for the development of nanoarchitecture governed mucosal vaccination with emphases on the various polymeric nanoparticles, their clinical status and future perspectives.
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Affiliation(s)
- Rajeev Sharma
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar, M.P. 470003 India.
| | - Udita Agrawal
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar, M.P. 470003 India.
| | - Nishi Mody
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar, M.P. 470003 India.
| | - Suresh P Vyas
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar, M.P. 470003 India.
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Vaidya B, Nayak MK, Dash D, Agrawal GP, Vyas SP. Development and characterization of highly selective target-sensitive liposomes for the delivery of streptokinase: in vitro/in vivo studies. Drug Deliv 2014; 23:801-7. [PMID: 24865294 DOI: 10.3109/10717544.2014.916770] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Streptokinase is one of the most commonly used thrombolytic agents for the treatment of thromboembolism. Short half-life of the streptokinase requires administration of higher dose which results in various side effects including systemic haemorrhage due to activation of systemic plasmin. To increase the selectivity of the streptokinase and hence to reduce side effects, various novel carriers have been developed. Among these carriers, liposomes have been emerged as versatile carrier. In the present study, highly selective target-sensitive liposomes were developed and evaluated by in vitro and in vivo studies. Prepared liposomes were found to release streptokinase in vitro following binding with activated platelets. Intravital microscopy studies in thrombosed murine model revealed higher accumulation of liposomes in the thrombus area. In vivo thrombolysis study was performed in the human clot inoculated rat model. Results of the study showed that target-sensitive liposomes dissolved 28.27 ± 1.56% thrombus as compared to 17.18 ± 1.23% of non-liposomal streptokinase. Further, it was also observed that target-sensitive liposomes reduced the clot dissolution time as compared to streptokinase solution. Studies concluded that developed liposomes might be pragmatic carriers for the treatment of thromboembolism.
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Affiliation(s)
- Bhuvaneshwar Vaidya
- a Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences , Dr. H. S. Gour University , Sagar , Madhya Pradesh , India and
| | - Manasa K Nayak
- b Department of Biochemistry, Institute of Medical Sciences , Banaras Hindu University , Varanasi , Uttar Pradesh , India
| | - Debabrata Dash
- b Department of Biochemistry, Institute of Medical Sciences , Banaras Hindu University , Varanasi , Uttar Pradesh , India
| | - Govind P Agrawal
- a Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences , Dr. H. S. Gour University , Sagar , Madhya Pradesh , India and
| | - Suresh P Vyas
- a Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences , Dr. H. S. Gour University , Sagar , Madhya Pradesh , India and
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Agrawal U, Sharma R, Gupta M, Vyas SP. Is nanotechnology a boon for oral drug delivery? Drug Discov Today 2014; 19:1530-46. [PMID: 24786464 DOI: 10.1016/j.drudis.2014.04.011] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 03/12/2014] [Accepted: 04/22/2014] [Indexed: 12/14/2022]
Abstract
The oral route for drug delivery is regarded as the optimal route for achieving therapeutic benefits owing to increased patient compliance. Despite phenomenal advances in injectable, transdermal, nasal and other routes of administration, the reality is that oral drug delivery remains well ahead of the pack as the preferred delivery route. Nanocarriers can overcome the major challenges associated with this route of administration: mainly poor solubility, stability and biocompatibility of drugs. This review focuses on the potential of various polymeric drug delivery systems in oral administration, their pharmacokinetics, in vitro and in vivo models, toxicity and regulatory aspects.
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Affiliation(s)
- Udita Agrawal
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr H.S. Gour Vishwavidyalaya, Sagar, MP 470003, India
| | - Rajeev Sharma
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr H.S. Gour Vishwavidyalaya, Sagar, MP 470003, India
| | - Madhu Gupta
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr H.S. Gour Vishwavidyalaya, Sagar, MP 470003, India
| | - Suresh P Vyas
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr H.S. Gour Vishwavidyalaya, Sagar, MP 470003, India.
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Abstract
The pH-sensitive liposomes have been extensively used as an alternative to conventional liposomes in effective intracellular delivery of therapeutics/antigen/DNA/diagnostics to various compartments of the target cell. Such liposomes are destabilized under acidic conditions of the endocytotic pathway as they usually contain pH-sensitive lipid components. Therefore, the encapsulated content is delivered into the intracellular bio-environment through destabilization or its fusion with the endosomal membrane. The therapeutic efficacy of pH-sensitive liposomes enables them as biomaterial with commercial utility especially in cancer treatment. In addition, targeting ligands including antibodies can be anchored on the surface of pH-sensitive liposomes to target specific cell surface receptors/antigen present on tumor cells. These vesicles have also been widely explored for antigen delivery and serve as immunological adjuvant to enhance the immune response to antigens. The present review deals with recent research updates on application of pH-sensitive liposomes in chemotherapy/diagnostics/antigen/gene delivery etc.
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Affiliation(s)
- Shivani Rai Paliwal
- Department of Pharmaceutics, SLT Institute of Pharmaceutical Sciences, Guru Ghasidas Vishwavidyalaya Bilaspur , Chhattisgarh , India
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Abstract
Although polymeric nanoparticles/microparticles are well established for the mucosal administration of conventional drugs, they have not yet been developed commercially for vaccine delivery. The limitation of the mucosal (particularly oral) route of delivery, including low pH, gastric enzymes, rapid transit and poor absorption of large molecules, has made mucosal vaccine delivery challenging. Nevertheless, several polymeric delivery systems for mucosal vaccine delivery are currently being evaluated. The polymer-based approaches are designed to protect the antigen in the gut, to target the antigen to the gut-associated lymphoid tissue or to increase the residence time of the antigen in the gut through bioadhesion. M-cell targeting is a potential approach for mucosal vaccine delivery, which can be achieved using M-cell-specific lectins, microbial adhesins or immunoglobulins. While many hurdles must be overcome before targeted mucosal vaccine delivery becomes a practical reality, this is a potential area of research that has important implications for future vaccine development. This review comprises various aspects that could be decisive in the development of polymer based mucosal vaccine delivery systems.
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Affiliation(s)
- Suresh P Vyas
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. Harisingh Gour Vishwavidyalaya, Sagar-470003 (M.P.), India.
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Adya AK, Agarwal N, Agarwal A, Agrawal U, Azevedo V, Bansal R, Barh D, Bharadwaj M, Bhatt AN, Biyani M, Biyani M, Canetta E, Chaitankar V, Chaturvedi R, Chaudhary S, Chowbina S, Chowdhuri DK, Chowdhury MR, Das BC, Das M, Das S, Datta A, Devi G, Dube D, Dubey S, Dwarakanath BS, Dwivedi PD, El Baz R, Gaur R, Ghosh P, Gupta M, Gupta AK, Gupta U, Gupta A, Hussain S, Jain P, Jyoti A, Kashyap S, Khan ZK, Khan FH, Khanna S, Khorramizadeh MR, Kumar N, Kumar S, Paul Khurana SM, Kumar A, Maherchandani S, Marwal A, Masih S, Maurya PK, Mehrotra R, Mondal D, Nishigaki K, Purushothaman P, Ram KR, Saadat F, Sahu AK, Salawu EO, Shanker R, Singh A, Singh G, Singh IG, Singh SP, Singh M, Singh N, Srivastava P, Tripathi R, Tsuiji H, Tyagi A, Upadhyaya KC, Verma M, Verma M, Chandra Verma S, Verma AS, Verma A, Verma P, Verma V, Verma AK, Volgin DV, Vyas SP, Yadav DK, Yadav N, Yamanaka K, Yiannakopoulou EC. Contributors. Anim Biotechnol 2014. [DOI: 10.1016/b978-0-12-416002-6.01002-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
Small interfering RNA (siRNA) has been widely used as potential therapeutic for treatment of various genetic disorders. However, rapid degradation, poor cellular uptake and limited stability in blood limit the effectiveness of the systemic delivery of siRNA. Therefore, an efficient delivery system is required to enhance its transfection and duration of therapeutics. In the present study, plasmid DNA (pEGFPN3) expressing green fluorescent protein (GFP) was used as a reporter gene. Chitosan nanoparticles/polyplexes and cationic liposomes/lipoplexes were developed and compared for their transfectivity and therapeutic activity in mammalian cell line (HEK 293). The nanoparticulates were first characterized by assessing the surface charge (zeta potential), size (dynamic light scattering) and morphology (transmission electron microscope) followed by evaluation for their DNA retardation ability, transfection efficiency and cytotoxicity on HEK 293 cell line. The chitosan nanoparticles/plasmid DNA (pDNA) complex and liposomes/pDNA complex were co-transfected with GFP-specific siRNA into HEK 293 cells and it was found that both are efficient delivery vehicles for siRNA transfection, resulting in ~57% and ~70% suppression of the targeted gene (GFP), respectively, as compared with the mock control (cells transfected with nanocarrier/pDNA complexes alone). This strong inhibition of GFP expression indicated that cationic liposomes are better than chitosan nanoparticles and can be used as an effective carrier of siRNA in mammalian cells.
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Affiliation(s)
- Bharat Khurana
- Department of Pharmaceutics, Nanomedicine Research Centre, Indo-Soviet Friendship College of Pharmacy, Moga, Punjab, India
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Agrawal U, Gupta M, Vyas SP. Capsaicin delivery into the skin with lipidic nanoparticles for the treatment of psoriasis. Artif Cells Nanomed Biotechnol 2013; 43:33-9. [PMID: 24040836 DOI: 10.3109/21691401.2013.832683] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The study aims to explore the potential of solid lipid nanoparticles (SLNs) and nanostructured lipid carriers (NLCs) in improving the topical delivery of capsaicin (CAP) by in vitro and in vivo studies. The lipidic nanoparticles were prepared by solvent diffusion method and were characterized for average particle size, zeta potential and entrapment efficiency. TEM photomicrographs revealed that the particles were nanometric in size. Higher amount of CAP can be encapsulated in the NLCs (87.4 ± 3.28) as compared with SLNs (79.7 ± 2.93%). The cumulative amounts of CAP permeated through the skin and retained in the SC were higher in the case of NLCs as compared with plain drug solution and SLNs. SLNs and NLCs exhibited minimum to no irritation. All the results concluded that NLCs and SLNs have shown a good ability to increase drug accumulation in the various skin layers but NLCs may be a more potential carrier for topical delivery of CAP for an effective therapy of psoriasis.
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Affiliation(s)
- Udita Agrawal
- Department of Pharmaceutical Sciences, Drug Delivery Research Laboratory, Dr. H. S. Gour Vishwavidyalaya , Sagar M.P. , India
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Mishra N, Khatri K, Gupta M, Vyas SP. Development and characterization of LTA-appended chitosan nanoparticles for mucosal immunization against hepatitis B. Artif Cells Nanomed Biotechnol 2013; 42:245-55. [PMID: 23815286 DOI: 10.3109/21691401.2013.809726] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The present study was aimed at exploring the targeting potential of LTA-anchored chitosan nanoparticles (CH-NP) specifically to M cell following oral immunization. The lectinized CH-NP exhibited 7-29% coupling capacity depending upon the amount of glutaraldehyde added. Induction of the mucosal immunity was assessed by estimating secretory IgA level in the salivary, intestinal and vaginal secretions, and cytokine (IL-2 and IFN-γ) levels in the spleen homogenates. The results demonstrated that LTA-anchored CH-NP elicited strong humoral and cellular responses and hence could be a competent carrier-adjuvant delivery system for oral mucosal immunization against Hepatitis B.
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Affiliation(s)
- Neeraj Mishra
- Department of Pharmaceutical Sciences, Dr. H. S. Gour Central University , Sagar, MP , India
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Abstract
The pH-sensitive liposomes have been extensively studied in recent years as an advantageous alternative to conventional liposomes in effective targeting and accumulation of anticancer drugs in tumors. pH-sensitive liposomes usually contain phosphatidylethanolamine and stabilizing amphiphiles and can destabilize under acidic conditions of the endocytotic pathway. The drug loaded is thought to be delivered into the cytoplasm, probably through destabilization of or fusion with the endosome membrane. This fusogenic property makes the pH-sensitive liposomes more efficient in delivering anticancer drugs than conventional liposomes. The intra-cellular release of drug/gene/diagnostic agents can be achieved without altering their therapeutic efficacy by means of the endosomal escape phenomenon. Cell surface targeting ligands, including antibodies, can be appended on the surface of pH-sensitive liposomes to target specific receptors on tumor cells. This chapter provides an introduction to pH-sensitive liposomes and examples of their therapeutic interest as smart drug-delivery systems.
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Affiliation(s)
- Shivani Rai Paliwal
- Drug Delivery Research Laboratory Department of Pharmaceutical Sciences, Dr H. S. Gour Vishwavidyalaya (A Central University), Sagar M.P. India, 470003
- Department of Pharmaceutics SLT Institute of Pharmaceutical Sciences, Guru Ghasidas Vishwavidyalaya (A Central University), Bilaspur, C.G. India, 495009
| | - Rishi Paliwal
- Drug Delivery Research Laboratory Department of Pharmaceutical Sciences, Dr H. S. Gour Vishwavidyalaya (A Central University), Sagar M.P. India, 470003
| | - Suresh P Vyas
- Drug Delivery Research Laboratory Department of Pharmaceutical Sciences, Dr H. S. Gour Vishwavidyalaya (A Central University), Sagar M.P. India, 470003
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Mangal S, Pawar D, Agrawal U, Jain AK, Vyas SP. Evaluation of mucoadhesive carrier adjuvant: toward an oral anthrax vaccine. Artif Cells Nanomed Biotechnol 2013; 42:47-57. [PMID: 23452384 DOI: 10.3109/21691401.2013.769447] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The aim of present study was to evaluate the potential of mucoadhesive alginate-coated chitosan microparticles (A-CHMp) for oral vaccine against anthrax. The zeta potential of A-CHMp was -29.7 mV, and alginate coating could prevent the burst release of antigen in simulated gastric fluid. The results indicated that A-CHMp was mucoadhesive in nature and transported it to the peyer's patch upon oral delivery. The immunization studies indicated that A-CHMp resulted in the induction of potent systemic and mucosal immune responses, whereas alum-adjuvanted rPA could induce only systemic immune response. Thus, A-CHMp represents a promising acid carrier adjuvant for oral immunization against anthrax.
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Affiliation(s)
- Sharad Mangal
- Department of Pharmaceutical Sciences, Drug Delivery Research Laboratory, Dr. H. S. Gour University , Sagar, (M.P.) , India
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Gupta M, Agrawal GP, Vyas SP. Polymeric nanomedicines as a promising vehicle for solid tumor therapy and targeting. Curr Mol Med 2013; 13:179-204. [PMID: 22834834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Revised: 03/28/2012] [Accepted: 05/24/2012] [Indexed: 06/01/2023]
Abstract
Inspite of demanding research that has been undertaken for cancer treatment, cancer is a major cause of mortality. Available conventional treatment options of solid tumor are associated with serious side effects. Nanomedicines mediated fascinating approach may be effectively utilized for efficient tumor targeting by avoiding all the problems associated with conventional chemotherapy. Polymeric nanomedicines such as polymer micelles, polymeric nanoparticles, polymersomes and polymer conjugates currently developed for solid tumor treatment have proved to be efficacious cancer therapeutics. These polymeric nanostructures are able to reach tumor tissue or angiogenic endothelial cells either passively or actively. To date, more advancement in the tumor targeting field includes stimuli sensitive polymeric nanocarriers that pass through the intracellular delivery barriers and release the bioactives in response to the microenvironmental trigger of tumor cell. This review discusses the molecular aspects of solid tumor pathophysiology and its dramatic impact on research for innovative and novel therapeutic approaches linked with tumor-targeting polymeric nanomedicines.
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Affiliation(s)
- M Gupta
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Vishwavidyalaya, Sagar-470003 M.P., India.
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Dube D, Agrawal GP, Vyas SP. Tuberculosis: from molecular pathogenesis to effective drug carrier design. Drug Discov Today 2012; 17:760-73. [DOI: 10.1016/j.drudis.2012.03.012] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Revised: 02/17/2012] [Accepted: 03/26/2012] [Indexed: 11/25/2022]
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Vaidya B, Agrawal G, Vyas SP. Functionalized carriers for the improved delivery of plasminogen activators. Int J Pharm 2012; 424:1-11. [DOI: 10.1016/j.ijpharm.2011.12.032] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2011] [Revised: 12/19/2011] [Accepted: 12/21/2011] [Indexed: 12/22/2022]
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Vaidya B, Vyas SP. Transferrin coupled vesicular system for intracellular drug delivery for the treatment of cancer: development and characterization. J Drug Target 2012; 20:372-80. [PMID: 22339366 DOI: 10.3109/1061186x.2012.662687] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES In the present study attempt has been made to enhance the selective tumor cell killing in mouse xenograft model using DQAsomes as a mitochondriotropic carrier and transferrin (Tf) as a ligand to target tumor cells. METHODS Tf modified DQAsomes (Tf-DQAsomes) were prepared by incubating preformed paclitaxel loaded DQAsomes with Tf in the presence of 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride. Developed systems were characterized for size and size distribution, entrapment efficiency, and in vitro drug release. Fluorescence microscopy and flow cytometry were performed to evaluate cellular uptake of the carriers. Antitumor activity was determined using HeLa cells. In vivo therapeutic efficacy was determined in xenograft mouse model. KEY FINDINGS Uptake studies demonstrated that Tf-DQAsomes result in higher fluorescence intensity to the cancer cells as compared to plain DQAsomes. Tf-DQAsomes exhibited better antitumor activity in vitro as compared to plain DQAsomes and paclitaxel solution. In vivo biodistribution study revealed that paclitaxel concentration in the tumor was much higher in the case of Tf-DQAsomes as compared to plain DQAsomes and paclitaxel solution; however in other organs it was much lower than the latter two formulations. Tf-DQAsomes exhibited significant antitumor activity in the mouse xenograft model. CONCLUSIONS The finding demonstrated that Tf conjugated DQAsomes can effectively be delivered to the tumor in vivo and exhibit significant antitumor activity.
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Affiliation(s)
- Bhuvaneshwar Vaidya
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour University, Sagar (M.P.), India.
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Paliwal R, Paliwal SR, Agrawal GP, Vyas SP. Chitosan nanoconstructs for improved oral delivery of low molecular weight heparin: In vitro and in vivo evaluation. Int J Pharm 2012; 422:179-84. [DOI: 10.1016/j.ijpharm.2011.10.048] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2011] [Revised: 10/18/2011] [Accepted: 10/22/2011] [Indexed: 11/28/2022]
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Paliwal SR, Paliwal R, Pal HC, Saxena AK, Sharma PR, Gupta PN, Agrawal GP, Vyas SP. Estrogen-Anchored pH-Sensitive Liposomes as Nanomodule Designed for Site-Specific Delivery of Doxorubicin in Breast Cancer Therapy. Mol Pharm 2011; 9:176-86. [DOI: 10.1021/mp200439z] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shivani R. Paliwal
- Drug Delivery
Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Viswavidyalaya, Sagar (M.P.), 470003,
India
| | - Rishi Paliwal
- Drug Delivery
Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Viswavidyalaya, Sagar (M.P.), 470003,
India
| | - Harish C. Pal
- Cancer Pharmacology Division, Indian Institute of Integrative Medicine, Canal Road, Jammu (J&K), 180001, India
| | - Ajeet K. Saxena
- Cancer Pharmacology Division, Indian Institute of Integrative Medicine, Canal Road, Jammu (J&K), 180001, India
| | - Pradyumana R. Sharma
- Cancer Pharmacology Division, Indian Institute of Integrative Medicine, Canal Road, Jammu (J&K), 180001, India
| | - Prem N. Gupta
- Cancer Pharmacology Division, Indian Institute of Integrative Medicine, Canal Road, Jammu (J&K), 180001, India
| | - Govind P. Agrawal
- Pharmaceutics Research Laboratory, Department
of Pharmaceutical Sciences, Dr. H. S. Gour Viswavidyalaya, Sagar (M.P.), 470003, India
| | - Suresh P. Vyas
- Drug Delivery
Research Laboratory, Department of Pharmaceutical Sciences, Dr. H. S. Gour Viswavidyalaya, Sagar (M.P.), 470003,
India
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Vaidya B, Agrawal GP, Vyas SP. Platelets directed liposomes for the delivery of streptokinase: development and characterization. Eur J Pharm Sci 2011; 44:589-94. [PMID: 22009110 DOI: 10.1016/j.ejps.2011.10.004] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Revised: 09/15/2011] [Accepted: 10/01/2011] [Indexed: 12/28/2022]
Abstract
The present study was aimed to study the effect of RGD peptide conjugation on the bio-distribution behaviour of long circulatory liposomes in the thrombosed rat model. Further, thrombolysis study was also performed to evaluate the therapeutic activity of the prepared liposomes. Liposomes were prepared by film hydration method and peptide was subsequently conjugated on the preformed liposomes using carbodiimide chemistry. Prepared liposomes were characterized for size and size distribution, entrapment efficiency and in vitro drug release. In vitro targeting ability of the liposomes was determined by platelets binding assay. In vivo studies were performed in the rat model containing human blood clot inoculated in the carotid artery. Results of the study showed that RGD peptide conjugated liposomes significantly accumulated to the site of blood clot and higher thrombolytic activity was observed with peptide modified liposomes as compared to plain streptokinase solution and long circulatory liposomes.
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Affiliation(s)
- Bhuvaneshwar Vaidya
- Department of Pharmaceutical Sciences, Dr. H.S. Gour University, Sagar, Madhya Pradesh, India
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Gupta M, Vaidya B, Mishra N, Vyas SP. Effect of Surfactants on the Characteristics of Fluconazole Niosomes for Enhanced Cutaneous Delivery. ACTA ACUST UNITED AC 2011; 39:376-84. [DOI: 10.3109/10731199.2011.611476] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Malik B, Goyal AK, Markandeywar TS, Rath G, Zakir F, Vyas SP. Microfold-cell targeted surface engineered polymeric nanoparticles for oral immunization. J Drug Target 2011; 20:76-84. [PMID: 21942475 DOI: 10.3109/1061186x.2011.611516] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Present work was envisaged to develop novel M-cell targeted polymeric particles that are capable of protecting the antigen from harsh gastric conditions. Ulex europaeus agglutinin (UEA-1) lectin was anchored for selective delivery of antigen to gut-associated lymphoid tissue (GALT). In the present investigation, chitosan nanoparticles were prepared by ionic gelation followed by antigen (bovine serum albumin, BSA) adsorption. Developed nanoparticles were further coated by UEA-1 lectin conjugated alginate and characterized for size, shape, zeta-potential, entrapment efficiency, and in vitro release. The immunological response of the developed system were performed in Balb/c mice and compared with aluminium hydroxide gel-based conventional vaccine. Results indicated that immunization with UEA-1 lectin conjugated alginate-coated particles induces efficient systemic as well as mucosal immune responses against BSA compared to other formulations. Aluminium-based vaccine dominated throughout the study, while failed in case of mucosal antibody. Additionally, IgG1 and IgG2a isotypes were determined to confirm the TH1/TH2 mixed immune response. The developed formulation exhibited superior systemic response along with dominating mucosal immunity. These data demonstrate the potential of UEA-alginate-coated nanoparticles as effective delivery system via oral route.
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Affiliation(s)
- Basant Malik
- Nanomedicine Research Centre, Department of Pharmaceutics, Indo-Soviet Friendship College of Pharmacy, Moga, Punjab, India
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Gupta M, Tiwari S, Vyas SP. Influence of various lipid core on characteristics of SLNs designed for topical delivery of fluconazole against cutaneous candidiasis. Pharm Dev Technol 2011; 18:550-9. [DOI: 10.3109/10837450.2011.598161] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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