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Carvalho SG, Haddad FF, Dos Santos AM, Scarim CB, Ferreira LMB, Meneguin AB, Chorilli M, Gremião MPD. Chitosan surface modification modulates the mucoadhesive, permeation and anti-angiogenic properties of gellan gum/bevacizumab nanoparticles. Int J Biol Macromol 2024; 263:130272. [PMID: 38373560 DOI: 10.1016/j.ijbiomac.2024.130272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 02/11/2024] [Accepted: 02/15/2024] [Indexed: 02/21/2024]
Abstract
Bevacizumab (BVZ) was the first monoclonal antibody approved by the FDA and has shown an essential advance in the antitumor therapy of colorectal cancer (CRC), however, the systemic action of BVZ administered intravenously can trigger several adverse effects. The working hypothesis of the study was to promote the modulation of the mucoadhesion properties and permeability of the BVZ through the formation of nanoparticles (NPs) with gellan gum (GG) with subsequent surface modification with chitosan (CS). NPs comprising BVZ and GG were synthesized through polyelectrolyte complexation, yielding spherical nanosized particles with an average diameter of 264.0 ± 2.75 nm and 314.0 ± 0.01 nm, polydispersity index of 0.182 ± 0.01 e 0.288 ± 0.01, and encapsulation efficiency of 29.36 ± 0.67 e 60.35 ± 0.27 mV, for NPs without (NP_BVZ) and with surface modification (NP_BVZ + CS). The results showed a good ability of nanoparticles with surface modification to modulate the NPs biological properties.
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Affiliation(s)
- Suzana Gonçalves Carvalho
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil.
| | - Felipe Falcão Haddad
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil
| | - Aline Martins Dos Santos
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil
| | - Cauê Benito Scarim
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil.
| | - Leonardo Miziara Barboza Ferreira
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil
| | - Andréia Bagliotti Meneguin
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil.
| | - Marlus Chorilli
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil.
| | - Maria Palmira Daflon Gremião
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil.
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Ozaki M, Kuwayama T, Shimotsuma M, Hirose T. Separation and purification of short-, medium-, and long-stranded RNAs by RP-HPLC using different mobile phases and C 18 columns with various pore sizes. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1948-1956. [PMID: 38445900 DOI: 10.1039/d4ay00114a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Nucleic acids, which have been employed in medicines for various diseases, are attracting attention as a new pharmaceutical model. Depending on the target substances, nucleic acid medicines with various nucleic acid chain lengths (several tens of nucleotides [nt] to several thousands of nt) exist. The purification of synthesized nucleic acids is crucial as various impurities remain in the crude product after synthesis. Presently, reversed-phase high-performance liquid chromatography (RP-HPLC) represents an effective purification method for nucleic acids. However, the information regarding the HPLC conditions for separating and purifying nucleic acids of various chain lengths is insufficient. Thus, this technical note describes the separation and purification of short-, medium-, and long-stranded nucleic acids (several tens of nt to thousands of nt) by RP-HPLC with various mobile phases and octadecyl-based columns with various pore sizes, such as normal (9-12 nm), wide (30 nm), and super wide (>30 nm) pores.
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Affiliation(s)
- Makoto Ozaki
- Research and Development Department, Nacalai Tesque, Inc., Ishibashi Kaide-cho, Muko-shi, Kyoto 617-0004, Japan.
| | - Tomomi Kuwayama
- Research and Development Department, Nacalai Tesque, Inc., Ishibashi Kaide-cho, Muko-shi, Kyoto 617-0004, Japan.
| | - Motoshi Shimotsuma
- Research and Development Department, Nacalai Tesque, Inc., Ishibashi Kaide-cho, Muko-shi, Kyoto 617-0004, Japan.
| | - Tsunehisa Hirose
- Research and Development Department, Nacalai Tesque, Inc., Ishibashi Kaide-cho, Muko-shi, Kyoto 617-0004, Japan.
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Kaltashov IA, Ivanov DG, Yang Y. Mass spectrometry-based methods to characterize highly heterogeneous biopharmaceuticals, vaccines, and nonbiological complex drugs at the intact-mass level. MASS SPECTROMETRY REVIEWS 2024; 43:139-165. [PMID: 36582075 PMCID: PMC10307928 DOI: 10.1002/mas.21829] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
The intact-mass MS measurements are becoming increasingly popular in characterization of a range of biopolymers, especially those of interest to biopharmaceutical industry. However, as the complexity of protein therapeutics and other macromolecular medicines increases, the new challenges arise, one of which is the high levels of structural heterogeneity that are frequently exhibited by such products. The very notion of the molecular mass measurement loses its clear and intuitive meaning when applied to an extremely heterogenous system that cannot be characterized by a unique mass, but instead requires that a mass distribution be considered. Furthermore, convoluted mass distributions frequently give rise to unresolved ionic signal in mass spectra, from which little-to-none meaningful information can be extracted using standard approaches that work well for homogeneous systems. However, a range of technological advances made in the last decade, such as the hyphenation of intact-mass MS measurements with front-end separations, better integration of ion mobility in MS workflows, development of an impressive arsenal of gas-phase ion chemistry tools to supplement MS methods, as well as the revival of the charge detection MS and its triumphant entry into the field of bioanalysis already made impressive contributions towards addressing the structural heterogeneity challenge. An overview of these techniques is accompanied by critical analysis of the strengths and weaknesses of different approaches, and a brief overview of their applications to specific classes of biopharmaceutical products, vaccines, and nonbiological complex drugs.
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Affiliation(s)
- Igor A. Kaltashov
- Department of Chemistry, University of Massachusetts-Amherst, Amherst MA 01003
| | - Daniil G. Ivanov
- Department of Chemistry, University of Massachusetts-Amherst, Amherst MA 01003
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Alhazmi HA, Albratty M. Analytical Techniques for the Characterization and Quantification of Monoclonal Antibodies. Pharmaceuticals (Basel) 2023; 16:291. [PMID: 37259434 PMCID: PMC9967501 DOI: 10.3390/ph16020291] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 08/12/2023] Open
Abstract
Monoclonal antibodies (mAbs) are a fast-growing class of biopharmaceuticals. They are widely used in the identification and detection of cell makers, serum analytes, and pathogenic agents, and are remarkably used for the cure of autoimmune diseases, infectious diseases, or malignancies. The successful application of therapeutic mAbs is based on their ability to precisely interact with their appropriate target sites. The precision of mAbs rely on the isolation techniques delivering pure, consistent, stable, and safe lots that can be used for analytical, diagnostic, or therapeutic applications. During the creation of a biologic, the key quality features of a particular mAb, such as structure, post-translational modifications, and activities at the biomolecular and cellular levels, must be characterized and profiled in great detail. This implies the requirement of powerful state of the art analytical techniques for quality control and characterization of mAbs. Until now, various analytical techniques have been developed to characterize and quantify the mAbs according to the regulatory guidelines. The present review summarizes the major techniques used for the analyses of mAbs which include chromatographic, electrophoretic, spectroscopic, and electrochemical methods in addition to the modifications in these methods for improving the quality of mAbs. This compilation of major analytical techniques will help students and researchers to have an overview of the methodologies employed by the biopharmaceutical industry for structural characterization of mAbs for eventual release of therapeutics in the drug market.
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Affiliation(s)
- Hassan A. Alhazmi
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
- Substance Abuse and Toxicology Research Centre, Jazan University, Jazan 45142, Saudi Arabia
| | - Mohammed Albratty
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
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Dumoncel RFP, Xavier B, Cardoso Júnior CDA, da Silva FS, Motta LGJ, Cavalheiro TN, Dalmora SL. Analysis of Denosumab by a Validated CZE Method and Determination of Sialic Acids by the RP-HPLC Method. J Chromatogr Sci 2023; 61:177-185. [PMID: 35279712 DOI: 10.1093/chromsci/bmac019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Indexed: 11/14/2022]
Abstract
A capillary zone electrophoresis (CZE) method was developed and validated to quantitate the monoclonal antibody denosumab (DmAb) and its charge variants in pharmaceutical products, demonstrating excellent precision, linearity and accuracy. Separations were obtained with migration times of 11.3 min for DmAb and the calibration curve was linear in the range of 0.95-20 mg/mL. The analytical comparability of seven batches of Prolia® showed mean differences of the estimated content/potencies of 1.87% lower, and 0.84 and 1.21% higher compared with the size-exclusion and reversed-phase liquid chromatography (SE-HPLC and RP-HPLC) methods and the osteoclast antiproliferative bioassay, respectively, with non-significant differences (P > 0.05). An RP-HPLC method with fluorescence detection (RP-HPLC-F), performed on a Kinetex® EVO C18 column (5 μm, 100 Å, 250 mm × 4.6 mm), was optimized to determine the levels of sialic acids of DmAb biomolecules, giving mean concentrations of 0.16 and 0.17 μg N-acetylneuraminic acid/mg DmAb for Prolia® and Xgeva® pharmaceutical products, respectively. The results demonstrated the capability of each one of the methods, and their use in combination constitutes a strategy to monitor instability, thereby assuring the quality and the batch-to-batch consistency of the biotechnology-derived medicine.
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Affiliation(s)
- Rafaela Ferreira Perobelli Dumoncel
- Postgraduate Program in Pharmaceutical Sciences, Industrial Pharmacy Department, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Bruna Xavier
- Postgraduate Program in Pharmaceutical Sciences, Industrial Pharmacy Department, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Clóvis Dervil Appratto Cardoso Júnior
- Postgraduate Program in Pharmaceutical Sciences, Industrial Pharmacy Department, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Francielle Santos da Silva
- Postgraduate Program in Pharmaceutical Sciences, Industrial Pharmacy Department, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Luís Gustavo Jung Motta
- Industrial Pharmacy Department, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Thaís Neuhaus Cavalheiro
- Industrial Pharmacy Department, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Sérgio Luiz Dalmora
- Industrial Pharmacy Department, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
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Ferreira NN, Boni FI, Baltazar F, Gremião MP. Validation of an innovative analytical method for simultaneous quantification of alpha-cyano-4-hydroxycinnamic acid and the monoclonal antibody cetuximab using HPLC from PLGA-based nanoparticles. J Pharm Biomed Anal 2020; 190:113540. [DOI: 10.1016/j.jpba.2020.113540] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 08/07/2020] [Accepted: 08/08/2020] [Indexed: 12/11/2022]
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7
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Xiao H, Sedlařík V. A Rapid and Sensitive HPLC Method for Simultaneous Determination of Irinotecan Hydrochloride and Curcumin in Co-delivered Polymeric Nanoparticles. J Chromatogr Sci 2020; 58:651-660. [PMID: 32627829 DOI: 10.1093/chromsci/bmaa033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 04/27/2020] [Accepted: 06/05/2020] [Indexed: 02/01/2023]
Abstract
In recent years, a great deal of attention has been paid to the combined use of multiple antitumor drugs for better cancer treatment. The aims of the study are to construct a nanoparticle drug delivery system for the co-delivery of irinotecan hydrochloride and curcumin and to develop an analytical method for simultaneously quantifying these molecules, which is essential for further studies of the co-delivered nano system. The irinotecan hydrochloride and curcumin co-delivered nanoparticle (ICN) were prepared by combinatorially entrapping them into polyethylene glycol-poly lactic acid-co-glycolic acid (PEG-PLGA) polymeric nanoparticles. A simple, sensitive and rapid high-performance liquid chromatography method was developed and validated to simultaneously quantify the compounds in the co-delivered nanoparticle system. Acetonitrile and ultrapure water containing sodium dodecyl sulfate (0.08 mol/L), disodium phosphate (Na2HPO4, 0.002 mol/L) and acetic acid (4%, v/v) were used as the mobile phase and their ratio was set at 50:50. The flow rate was set to 1.0 mL/min, and the temperature in the column oven was maintained at 40°C. The analysis was carried out at 256 and 424 nm to assess irinotecan hydrochloride and curcumin, respectively. Detectors with only one channel can also visualize both analytes in one chromatogram at 379 nm and still demonstrate acceptable sensitivity. The retention times for irinotecan hydrochloride and curium were 3.317 and 5.560 min, respectively. The method developed was confirmed to be sensitive, accurate (recovery, 100 ± 2%), precise (relative standard deviation, RSD ≤ 1%), robust and linear (R2 ≥ 0.9996) in the range from 2.05 to 1050 μg/mL. The presented method has been used to quantify irinotecan hydrochloride and curcumin in the co-delivered ICN nano system to assess the drug delivery quality of the nanoparticles and can also be used for routine analysis because of its simplicity and accuracy.
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Affiliation(s)
- Haijun Xiao
- Center of Polymer Systems, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Vladimír Sedlařík
- Center of Polymer Systems, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
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8
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Baião A, Sousa F, Oliveira AV, Oliveira C, Sarmento B. Effective intracellular delivery of bevacizumab via PEGylated polymeric nanoparticles targeting the CD44v6 receptor in colon cancer cells. Biomater Sci 2020; 8:3720-3729. [PMID: 32500879 DOI: 10.1039/d0bm00556h] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Colorectal cancer (CRC) is one of the most common and deadly cancers in the world, mainly due to its metastatic and metabolic ability. The CD44 receptor isoform containing exon 6 (CD44v6) is a transmembrane protein that plays an important role in the establishment of tumors and metastasis, which make this molecule a potential target for therapy and diagnosis of tumors. Aiming at a targeted therapy, the anti-VEGF monoclonal antibody (mAb) bevacizumab was loaded into poly(lactic-co-glycolic acid)-polyethylene glycol (PLGA-PEG) nanoparticles (NPs) functionalized with an antibody fragment (Fab) specific for CD44v6-expressing human cancer cells. The sizes of NPs were in the range of 150-250 nm and they had a negative charge between -5 and -10 mV, with an association efficiency (AE) of bevacizumab of 86%. v6 Fab-PLGA-PEG NPs containing bevacizumab specifically bonded to the CD44v6 cell surface receptor and exhibited higher internalization into CD44v6+ epithelial cells than bare and (-) Fab-PLGA-PEG NPs. To understand the biological effect of NP targeting, the intracellular levels of bevacizumab and VEGF were evaluated after the incubation of targeted and untargeted NPs. The intracellular levels of bevacizumab were significantly higher in cells incubated with v6 Fab-PLGA-PEG NPs and these NPs resulted in a significant decrease in the intracellular VEGF compared to untargeted NPs and free bevacizumab. PLGA-PEG NPs, surface-functionalized with a v6-specific Fab, have the potential to intracellularly deliver bevacizumab into CD44v6 expressing cancer cells.
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Affiliation(s)
- Ana Baião
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-393 Porto, Portugal.
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Filippo LDD, Dos Santos KC, Hanck-Silva G, de Lima FT, Gremião MPD, Chorilli M. A Critical Review of Biological Properties, Delivery Systems and Analytical/Bioanalytical Methods for Determination of Bevacizumab. Crit Rev Anal Chem 2020; 51:445-453. [PMID: 32295395 DOI: 10.1080/10408347.2020.1743641] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Bevacizumab is a chimeric monoclonal human-murine antibody originated from murine monoclonal antibody (muMAb A4.6.1) with the human immunoglobulin IgG1. BVZ binds the extracellular portion of vascular endothelial growth factor receptors (VEGFR), which have tyrosine kinase activity. The mechanism of action of BVZ involves binding to VEGFR, Flt-1 (VEGFR-1) and KDR/Flk-1 (VEGFR-2), inducing homodimerization of two receptor subunits, and, consequently, autophosphorylation of their tyrosine kinase domains located inside the cytoplasm. With the advent of nanostructured systems it is increasingly necessary to look for safe analytical methods, ensuring the reliability of the results obtained by them, becoming essential to ensure the quality of medicines. In this work, the incorporation of bevacizumab in to different drug delivery systems was presented. Moreover, detailed investigation was performed about methods for qualitative and quantitative analyses of bevacizumab, including, biological fluids, and drug delivery systems, were investigated. Most recently high performance liquid chromatography coupled with various detectors, liquid chromatography, mass spectrometry and ELISA were used for this purpose. Thus, this review was performed to evaluate the benefits of bevacizumab carried by nanostructured systems and the analytical methods available for detection and quantification of these drugs.
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Affiliation(s)
| | - Karen Cristina Dos Santos
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | - Gilmar Hanck-Silva
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | - Felipe Tita de Lima
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | | | - Marlus Chorilli
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
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Jirjees F, Soliman K, Wang Y, Sonawane R, Sheshala R, Jones D, Thakur RRS. A validated size exclusion chromatography method coupled with fluorescence detection for rapid quantification of bevacizumab in ophthalmic formulations. J Pharm Biomed Anal 2019; 174:145-150. [PMID: 31167158 DOI: 10.1016/j.jpba.2019.05.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 05/16/2019] [Accepted: 05/20/2019] [Indexed: 01/21/2023]
Abstract
Bevacizumab is a full-length human monoclonal antibody used to treat various neovascular diseases such as wet age-related macular degeneration (AMD), diabetic eye disease and other problems of the retina. Monthly intravitreal injections of bevacizumab (Avastin®) are effective in the treatment of wet AMD. However, there is a growing demand in the development of sustained release ophthalmic formulations. Therefore, this study aims, for the first time, to develop a rapid, simple, and sensitive method using size exclusion chromatography coupled with fluorescence detection for routine quantification of bevacizumab in ophthalmic formulations and during in vitro release studies. The selected chromatographic conditions included an aqueous mobile phase composed of 35 mM sodium phosphate buffer and 300 mM sodium chloride (pH 6.8), a flow rate of 0.5 mL/min, and the fluorescence detector was operated at excitation and emission wavelengths of 280 and 340 nm, respectively. The peak area-concentration relationship maintained its linearity over concentration range of 0.1-20 μg/mL (R2 = 0.9993), and the quantitation limit was 100 ng/mL. The method was validated for specificity, accuracy, precision, and robustness. The developed method had a run time of 6 min at temperature 25 °C, making it a unique validated method for rapid and cost-effective quantification of bevacizumab.
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Affiliation(s)
- Feras Jirjees
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK; Re-Vana Therapeutics, McClay Research Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Karim Soliman
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK; Re-Vana Therapeutics, McClay Research Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Yujing Wang
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK; Re-Vana Therapeutics, McClay Research Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Rahul Sonawane
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK; Re-Vana Therapeutics, McClay Research Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Ravi Sheshala
- Department of Pharmaceutics, Faculty of Pharmacy, Universiti Teknologi MARA Selangor, Puncak Alam Campus, 42300, Puncak Alam, Kuala Selangor, Malaysia
| | - David Jones
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK; Re-Vana Therapeutics, McClay Research Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Raghu Raj Singh Thakur
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK; Re-Vana Therapeutics, McClay Research Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK.
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12
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Quantitation of the monoclonal antibody Denosumab by bioassay and validated LC methods. Int J Biol Macromol 2018; 119:96-104. [DOI: 10.1016/j.ijbiomac.2018.07.120] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 07/11/2018] [Accepted: 07/19/2018] [Indexed: 01/10/2023]
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13
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Sousa F, Cruz A, Pinto IM, Sarmento B. Nanoparticles provide long-term stability of bevacizumab preserving its antiangiogenic activity. Acta Biomater 2018; 78:285-295. [PMID: 30036718 DOI: 10.1016/j.actbio.2018.07.040] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 07/11/2018] [Accepted: 07/19/2018] [Indexed: 10/28/2022]
Abstract
Bevacizumab is one of the most common monoclonal antibodies used to treat cancer due to its antiangiogenic role. However, the frequent parenteral administrations are not attractive for the patient adhesion to the therapy. Nanoencapsulation of bevacizumab might be a useful alternative to increase administration intervals, due to controlled release properties. To achieve a long-term bevacizumab stability into PLGA nanoparticles, we developed an optimized and validated lyophilization protocol. The co-encapsulation of trehalose and bevacizumab into PLGA nanoparticles, associated to their lyophilization with external 10% (w/v) of trehalose, allowed maintenance of the physical-chemical characteristics of nanoparticles and bevacizumab secondary and tertiary structure. More relevant, the antiangiogenic activity of bevacizumab was kept over 6 months of storage while formulated with this protocol. No significant differences were found upon 6 months of storage at 4 °C and 25 °C/60% HR, and minor differences were observed for storage at 40 °C/75% HR, bringing to our knowledge, the first successfully report for monoclonal antibody storage at room temperature, without losing its structural and functional features. Our results served as starting point to understand the monoclonal antibody-based nanoparticle behavior over time, creating an innovative approach for a long-term monoclonal antibody stability. STATEMENT OF SIGNIFICANCE Nanoencapsulation of monoclonal antibodies has boost the interest of researchers as an alternative to the current antibody-based therapy, changing the route of administrations through controlled release of monoclonal antibodies. Despite good results have been achieved with nanoencapsulation process, no strategy has still found concerning a long-term stability of nanoparticles and monoclonal antibodies. In this study, the aim was to find out a validated and optimized method that allows a long-term stability of nanoparticles and antibodies. Over 6 months of storage, an optimized nanosystem was considered stable for both nanoparticles and antibody structure, at 4 °C and 25 °C, resulting the first successfully report for monoclonal antibody storage at room temperature.
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14
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Kaltashov IA, Pawlowski JW, Yang W, Muneeruddin K, Yao H, Bobst CE, Lipatnikov AN. LC/MS at the whole protein level: Studies of biomolecular structure and interactions using native LC/MS and cross-path reactive chromatography (XP-RC) MS. Methods 2018; 144:14-26. [PMID: 29702225 DOI: 10.1016/j.ymeth.2018.04.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 04/11/2018] [Accepted: 04/18/2018] [Indexed: 11/25/2022] Open
Abstract
Interfacing liquid chromatography (LC) with electrospray ionization (ESI) to enable on-line MS detection had been initially implemented using reversed phase LC, which in the past three decades remained the default type of chromatography used for LC/MS and LC/MS/MS studies of protein structure. In contrast, the advantages of other types of LC as front-ends for ESI MS, particularly those that allow biopolymer higher order structure to be preserved throughout the separation process, enjoyed relatively little appreciation until recently. However, the past few years witnessed a dramatic surge of interest in the so-called "native" (with "non-denaturing" being perhaps a more appropriate adjective) LC/MS and LC/MS/MS analyses within the bioanalytical and biophysical communities. This review focuses on recent advances in this field, with an emphasis on size exclusion and ion exchange chromatography as front-end platforms for protein characterization by LC/MS. Also discussed are the benefits provided by the integration of chemical reactions in the native LC/MS analyses, including both ion chemistry in the gas phase (e.g., limited charge reduction for characterization of highly heterogeneous biopolymers) and solution-phase reactions (using the recently introduced technique cross-path reactive chromatography).
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Affiliation(s)
- Igor A Kaltashov
- Institute for Applied Life Sciences and Department of Chemistry, University of Massachusetts-Amherst, Amherst, MA, United States.
| | - Jake W Pawlowski
- Institute for Applied Life Sciences and Department of Chemistry, University of Massachusetts-Amherst, Amherst, MA, United States
| | - Wenhua Yang
- Institute for Applied Life Sciences and Department of Chemistry, University of Massachusetts-Amherst, Amherst, MA, United States
| | - Khaja Muneeruddin
- Institute for Applied Life Sciences and Department of Chemistry, University of Massachusetts-Amherst, Amherst, MA, United States
| | - Honglin Yao
- Institute for Applied Life Sciences and Department of Chemistry, University of Massachusetts-Amherst, Amherst, MA, United States
| | - Cedric E Bobst
- Institute for Applied Life Sciences and Department of Chemistry, University of Massachusetts-Amherst, Amherst, MA, United States
| | - Andrei N Lipatnikov
- Department of Mechanics and Maritime Sciences, Chalmers University of Technology, Göteborg, Sweden
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15
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Shah SQ, Mahmood S. Evaluation of 99mTc-Labeled Bevacizumab- N-HYNIC Conjugate in Human Ovarian Tumor Xenografts. Cancer Biother Radiopharm 2018; 33:96-102. [PMID: 29634355 DOI: 10.1089/cbr.2017.2323] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Aim: The aim of the present investigation was to examine the suitability of 99mTc-N-HYNIC-BZMB as a specific vascular endothelial growth factor (VEGF)-targeting agent. Bevacizumab is a recombinant humanized monoclonal antibody that inhibits VEGF. Methods: N-hydroxysuccinimide-2-hydrazinonicotinic acid (N-HYNIC) was conjugated to BZMB, followed by labeling with 99mTc using N-[Tris(hydroxymethyl)methyl] glycine (tricine), ethylenediamine-N,N'-diacetic acid (EDDA), and nicotinic acid as coligands. 99mTc-labeled BZMB was characterized in terms of 99mTcO4, radiocolloids, and labeled N-HYNIC-BZMB using thin-layer chromatography and HPLC. Poor metastatic SKOV-3 and high metastatic SKOV-3.ip1 human ovarian cancer cell lines were used for in vitro binding uptake of 99mTc-N-HYNIC-BZMB. Biodistribution and scintigraphy accuracy were examined in human ovarian tumor xenografts in rats and rabbits. Results: 99mTc-N-HYNIC-BZMB prepared by using a mixture of tricine and EDDA demonstrated relatively high radiochemical purity (more than 98%). In L-cysteine and serum, it exhibited a stable behavior up to 16 h. In vitro binding uptake indicated that it targets high metastatic SKOV-3.ip1 tumors. Biodistribution in human ovarian tumor xenografts in rats confirmed a significant uptake in SKOV-3.ip1 tumors (5.69% ± 1.86%, 4 h). Scintigraphic accuracy in human ovarian tumor xenografts in rabbits validated its suitability as a high metastatic SKOV-3.ip1 radiotracer. Conclusion: High radiochemical purity, stability in saline and serum, biodistribution, and scintigraphy of 99mTc-N-HYNIC-BZMB in human ovarian tumor xenografts in rats and rabbits confirmed its suitability as a potential radiotracer for imaging high metastatic SKOV-3.ip1 sites.
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Affiliation(s)
- Syed Qaiser Shah
- Biochemistry Section, Institute of Chemical Sciences, University of Peshawar, Peshawar, K.P.K., Pakistan
| | - Samia Mahmood
- Biochemistry Section, Institute of Chemical Sciences, University of Peshawar, Peshawar, K.P.K., Pakistan
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