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Paul S, Bhuyan S, Balasoupramanien DD, Palaniappan A. Muco-Adhesive and Muco-Penetrative Formulations for the Oral Delivery of Insulin. ACS OMEGA 2024; 9:24121-24141. [PMID: 38882129 PMCID: PMC11170654 DOI: 10.1021/acsomega.3c10305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 04/18/2024] [Accepted: 04/23/2024] [Indexed: 06/18/2024]
Abstract
Insulin, a pivotal anabolic hormone, regulates glucose homeostasis by facilitating the conversion of blood glucose to energy or storage. Dysfunction in insulin activity, often associated with pancreatic β cells impairment, leads to hyperglycemia, a hallmark of diabetes. Type 1 diabetes (T1D) results from autoimmune destruction of β cells, while type 2 diabetes (T2D) stems from genetic, environmental, and lifestyle factors causing β cell dysfunction and insulin resistance. Currently, insulin therapy is used for most of the cases of T1D, while it is used only in a few persistent cases of T2D, often supplemented with dietary and lifestyle changes. The key challenge in oral insulin delivery lies in overcoming gastrointestinal (GI) barriers, including enzymatic degradation, low permeability, food interactions, low bioavailability, and long-term safety concerns. The muco-adhesive (MA) and muco-penetrative (MP) formulations aim to enhance oral insulin delivery by addressing these challenges. The mucus layer, a hydrogel matrix covering epithelial cells in the GI tract, poses significant barriers to oral insulin absorption. Its structure, composition, and turnover rate influence interactions with insulin and other drug carriers. Some of the few factors that influence mucoadhesion and mucopenetration are particle size, surface charge distribution, and surface modifications. This review discusses the challenges associated with oral insulin delivery, explores the properties of mucus, and evaluates the strategies for achieving excellent MA and MP formulations, focusing on nanotechnology-based approaches. The development of effective oral insulin formulations holds the potential to revolutionize diabetes management, providing patients with a more convenient and patient-friendly alternative to traditional insulin administration methods.
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Affiliation(s)
- Srijita Paul
- School of Biosciences and Technology (SBST), Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India
- Advanced Academic Programs, Krieger School of Arts and Sciences, Johns Hopkins University, Baltimore Maryland21218, United States
| | - Snigdha Bhuyan
- School of Biosciences and Technology (SBST), Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India
- Department of Biomedical Engineering, National University of Singapore, Singapore 119077
| | | | - Arunkumar Palaniappan
- Human Organ Manufacturing Engineering (HOME) Lab, Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India
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2
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Limenh LW. A review on oral novel delivery systems of insulin through the novel delivery system formulations: A review. SAGE Open Med 2024; 12:20503121231225319. [PMID: 38249950 PMCID: PMC10798068 DOI: 10.1177/20503121231225319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 12/16/2023] [Indexed: 01/23/2024] Open
Abstract
Parenteral administration of insulin remains the most common route of administration, causing local hypertrophy at the injection sites because of multiple daily injections. Because of this, there is an interest and effort in oral insulin administration that is convenient and mimics the physiology of endogenous insulin secreted in the liver. However, oral insulin encountered different challenges due to abundant enzyme degradation, the presence of a mucus layer, and the underlying intestinal epithelial membrane barrier in the gastrointestinal tract. This narrative review reviewed the literature dealing with novel oral insulin delivery approaches. Various pieces of literature were searched, filtered, and reviewed from different sources, and the information obtained was organized, formulated, and finalized. Oral insulin has been formulated and extensively studied in various novel delivery approaches, such as nanoparticles, microspheres, mucoadhesive patches, encapsulations, hydrogels, ionic liquids, liposomes, and complexation. The efficiency of these formulations demonstrated improved efficiency and potency compared to free oral insulin delivery, but none of them have greater or equivalent potency to subcutaneous insulin. Future studies regarding dose-dependent therapeutic efficacy and the development of new novel formulations to produce comparable oral insulin to subcutaneous insulin are warranted to further support the suitability of the current platform for oral insulin delivery.
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Affiliation(s)
- Liknaw Workie Limenh
- Department of Pharmaceutics, School of Pharmacy, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
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3
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Liu G, Guo Q, Liu C, Bai J, Wang H, Li J, Liu D, Yu Q, Shi J, Liu C, Zhu C, Li B, Zhang H. Cytomodulin-10 modified GelMA hydrogel with kartogenin for in-situ osteochondral regeneration. Acta Biomater 2023; 169:317-333. [PMID: 37586447 DOI: 10.1016/j.actbio.2023.08.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 07/27/2023] [Accepted: 08/09/2023] [Indexed: 08/18/2023]
Abstract
The incidence of osteochondral defect is increasing year by year, but there is still no widely accepted method for repairing the defect. Hydrogels loaded with bioactive molecules have provided promising alternatives for in-situ osteochondral regeneration. Kartogenin (KGN) is an effective and steady small molecule with the function of cartilage regeneration and protection which can be further boosted by TGF-β. However, the high cost, instability, and immunogenicity of TGF-β would limit its combined effect with KGN in clinical application. In this study, a composite hydrogel CM-KGN@GelMA, which contained TGF-β1 analog short peptide cytomodulin-10 (CM-10) and KGN, was fabricated. The results indicated that CM-10 modified on GelMA hydrogels exerted an equivalent role in enhancing chondrogenesis as TGF-β1, and this effect was also boosted when combined with KGN. Moreover, it was revealed that CM-10 and KGN had a synergistic effect on promoting the chondrogenesis of BMSCs by up-regulating the expression of RUNX1 and SOX9 at both mRNA and protein levels in vitro. Finally, the composite hydrogel exhibited a satisfactory osteochondral defect repair effect in vivo, showing similar structures close to the native tissue. Taken together, this study has revealed that CM-10 may serve as an alternative for TGF-β1 and can collaborate with KGN to accelerate chondrogenesis, which suggests that the fabricated CM-KGN@GelMA composite hydrogel can be acted as a potential scaffold for osteochondral defect regeneration. STATEMENT OF SIGNIFICANCE: Kartogenin and TGF-β have shown great value in promoting osteochondral defect regeneration, and their combined application can enhance the effect and show great potential for clinical application. Herein, a functional CM-KGN@GelMA hydrogel was fabricated, which was composed of TGF-β1 mimicking peptide CM-10 and KGN. CM-10 in hydrogel retained an activity like TGF-β1 to facilitate BMSC chondrogenesis and exhibited boosting chondrogenesis by up-regulating RUNX1 and SOX9 when being co-applied with KGN. In vivo, the hydrogel promoted cartilage regeneration and subchondral bone reconstruction, showing similar structures as the native tissue, which might be vital in recovering the bio-function of cartilage. Thus, this study developed an effective scaffold and provided a promising way for osteochondral defect repair.
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Affiliation(s)
- Guoping Liu
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China; Department of Spine Surgery, the Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan 421000, China
| | - Qianping Guo
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China
| | - Changjiang Liu
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China
| | - Jianzhong Bai
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China
| | - Huan Wang
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China
| | - Jiaying Li
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China
| | - Dachuan Liu
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China
| | - Qifan Yu
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China
| | - Jinhui Shi
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China
| | - Chengyuan Liu
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China
| | - Caihong Zhu
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China.
| | - Bin Li
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China; Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215000, China; Department of Spinal Surgery, the Third Affiliated Hospital, Soochow University, Changzhou, Jiangsu 213003, China.
| | - Hongtao Zhang
- Department of Orthopedic Surgery, Medical 3D Printing Center, Orthopedic Institute, the First Affiliated Hospital, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, China.
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4
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Ouyang J, Sheng Y, Wang W. Recent Advances of Studies on Cell-Penetrating Peptides Based on Molecular Dynamics Simulations. Cells 2022; 11:cells11244016. [PMID: 36552778 PMCID: PMC9776715 DOI: 10.3390/cells11244016] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/09/2022] [Accepted: 12/10/2022] [Indexed: 12/14/2022] Open
Abstract
With the ability to transport cargo molecules across cell membranes with low toxicity, cell-penetrating peptides (CPPs) have become promising candidates for next generation peptide-based drug delivery vectors. Over the past three decades since the first CPP was discovered, a great deal of work has been done on the cellular uptake mechanisms and the applications for the delivery of therapeutic molecules, and significant advances have been made. But so far, we still do not have a precise and unified understanding of the structure-activity relationship of the CPPs. Molecular dynamics (MD) simulations provide a method to reveal peptide-membrane interactions at the atomistic level and have become an effective complement to experiments. In this paper, we review the progress of the MD simulations on CPP-membrane interactions, including the computational methods and technical improvements in the MD simulations, the research achievements in the CPP internalization mechanism, CPP decoration and coupling, and the peptide-induced membrane reactions during the penetration process, as well as the comparison of simulated and experimental results.
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Affiliation(s)
- Jun Ouyang
- School of Public Courses, Bengbu Medical College, Bengbu 233030, China
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing 210093, China
| | - Yuebiao Sheng
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing 210093, China
- High Performance Computing Center, Nanjing University, Nanjing 210093, China
- Correspondence: (Y.S.); (W.W.)
| | - Wei Wang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing 210093, China
- Correspondence: (Y.S.); (W.W.)
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5
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Jerath G, Darvin P, Christian Y, Trivedi V, Kumar TRS, Ramakrishnan V. Delivery of Small Molecules by Syndiotactic Peptides for Breast Cancer Therapy. Mol Pharm 2022; 19:2877-2887. [PMID: 35839086 DOI: 10.1021/acs.molpharmaceut.2c00238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The utilization of peptide-based drug delivery systems has been suboptimal due to their poor proteolytic susceptibility, poor cell permeability, and limited tumor homing capabilities. Earlier attempts in using d-enantiomers in peptide sequences increased proteolytic stability but have compromised the overall penetration capability. We designed a series of peptides (STRAPs) with a syndiotactic polypeptide backbone that can potentially form a spatial array of cationic groups, an important feature that facilitates cellular uptake. The peptides penetrate cell membranes through a combination of active and passive modes. Furthermore, the cellular uptake of the peptides was unaffected by the presence of or treatment with bovine serum and human plasma. The designed peptides successfully delivered methotrexate, an anticancer drug, to the in vitro and in vivo models of breast cancer, with the best performing peptide STRAP-4-MTX conjugate having an EC50 value of 1.34 μM. Peptide drug delivery in mouse xenograft models showed a greater reduction of primary tumor and metastasis of breast cancer, in comparison to methotrexate of the same dose. The in vivo biodistribution assay of the STRAP-4 peptide suggests that the peptide accumulates at the tumor site after 2 h of treatment, and in the absence of tumors, the peptide gets metabolized and excreted from the system.
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Affiliation(s)
- Gaurav Jerath
- Molecular Informatics and Design Laboratory, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Pramod Darvin
- Cancer Research Program-1, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala 695014, India
| | - Yvonne Christian
- Molecular Informatics and Design Laboratory, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Vishal Trivedi
- Malaria Research Group, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - T R Santhosh Kumar
- Cancer Research Program-1, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala 695014, India
| | - Vibin Ramakrishnan
- Molecular Informatics and Design Laboratory, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
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6
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Chen L, Feng X, Ji H, Gu J, Liu J, Yan C, Song X. The enhanced encapsulation, release, and oral hypoglycemic performance of a biomacromolecule surface modified insulin-loaded halloysite nanocomposite: an in vitro and in vivo study. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2090357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Lu Chen
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
| | | | - Hangyu Ji
- School of Medicine, Southeast University, Nanjing, China
- Southeast University Zhongda Hospital, Nanjing, China
| | - Jun Gu
- Xishan People’s Hospital, Wuxi, China
| | - Junliang Liu
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
| | - Caifeng Yan
- Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Xiaoli Song
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
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7
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Iyer G, Dyawanapelly S, Jain R, Dandekar P. An overview of oral insulin delivery strategies (OIDS). Int J Biol Macromol 2022; 208:565-585. [PMID: 35346680 DOI: 10.1016/j.ijbiomac.2022.03.144] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/07/2022] [Accepted: 03/22/2022] [Indexed: 02/07/2023]
Abstract
Despite tremendous efforts, the world continues its fight against the common chronic disease-diabetes. Diabetes is caused by elevated glucose levels in the blood, which can lead to several complications like glaucoma, cataract, kidney failure, diabetic ketoacidosis, heart attack, and stroke. According to recent statistics, China, India, and the US rank at the top three positions with regards to the number of patients affected by diabetes. Ever since its discovery, insulin is one of the major therapeutic molecules that is used to control the disease in the diabetic population, worldwide. The most common route of insulin administration has been the subcutaneous route. However, the limitations associated with this route have motivated global efforts to explore alternative strategies to deliver insulin, including pulmonary, transdermal, nasal, rectal, buccal, and oral routes. Oral insulin delivery is the most convenient and patient-centered route. However, the oral route is also associated with numerous drawbacks that present significant challenges to the scientific fraternity. The human physiological system acts as a formidable barrier to insulin, limiting its bioavailability. The present review covers the major barriers against oral insulin delivery and explains formulation strategies that have been adopted to overcome these barriers. The review focuses on oral insulin delivery strategies (OIDS) for increasing the bioavailability of oral insulin, including nanoparticles, microparticles, nano-in-microparticles, hydrogels, tablets, capsules, intestinal patches, and use of ionic liquids. It also highlights some of the notable recent advancements and clinical trials in oral insulin delivery. This formulation based OIDS may significantly improve patient compliance in the treatment of diabetes.
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Affiliation(s)
- Gayatri Iyer
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, NP Marg, Matunga, Mumbai 400019, India
| | - Sathish Dyawanapelly
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, NP Marg, Matunga, Mumbai 400019, India
| | - Ratnesh Jain
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai 400019, India.
| | - Prajakta Dandekar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, NP Marg, Matunga, Mumbai 400019, India.
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8
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Gutierrez AM, Frazar EM, X Klaus MV, Paul P, Hilt JZ. Hydrogels and Hydrogel Nanocomposites: Enhancing Healthcare through Human and Environmental Treatment. Adv Healthc Mater 2022; 11:e2101820. [PMID: 34811960 PMCID: PMC8986592 DOI: 10.1002/adhm.202101820] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/08/2021] [Indexed: 12/11/2022]
Abstract
Humans are constantly exposed to exogenous chemicals throughout their life, which can lead to a multitude of negative health impacts. Advanced materials can play a key role in preventing or mitigating these impacts through a wide variety of applications. The tunable properties of hydrogels and hydrogel nanocomposites (e.g., swelling behavior, biocompatibility, stimuli responsiveness, functionality, etc.) have deemed them ideal platforms for removal of environmental contaminants, detoxification, and reduction of body burden from exogenous chemical exposures for prevention of disease initiation, and advanced treatment of chronic diseases, including cancer, diabetes, and cardiovascular disease. In this review, three main junctures where the use of hydrogel and hydrogel nanocomposite materials can intervene to positively impact human health are highlighted: 1) preventing exposures to environmental contaminants, 2) prophylactic treatments to prevent chronic disease initiation, and 3) treating chronic diseases after they have developed.
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Affiliation(s)
- Angela M Gutierrez
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F Paul Anderson Tower, Lexington, KY, 40506, USA
- Superfund Research Center, University of Kentucky, Lexington, KY, 40506, USA
| | - Erin Molly Frazar
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F Paul Anderson Tower, Lexington, KY, 40506, USA
- Superfund Research Center, University of Kentucky, Lexington, KY, 40506, USA
| | - Maria Victoria X Klaus
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F Paul Anderson Tower, Lexington, KY, 40506, USA
- Superfund Research Center, University of Kentucky, Lexington, KY, 40506, USA
| | - Pranto Paul
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F Paul Anderson Tower, Lexington, KY, 40506, USA
- Superfund Research Center, University of Kentucky, Lexington, KY, 40506, USA
| | - J Zach Hilt
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F Paul Anderson Tower, Lexington, KY, 40506, USA
- Superfund Research Center, University of Kentucky, Lexington, KY, 40506, USA
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9
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Tomono T, Yagi H, Kanemoto S, Ukawa M, Miyata K, Shigeno K, Sakuma S. Acquisition of Absorption-enhancing Abilities of Cationic Oligopeptides with Short Chain Arginine Residues through Conjugation to Hyaluronic Acid. Int J Pharm 2022; 616:121519. [DOI: 10.1016/j.ijpharm.2022.121519] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 01/11/2022] [Accepted: 01/23/2022] [Indexed: 10/19/2022]
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10
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Shi J, Hu J, Yuan Y, Zhang B, Guo W, Wu Y, Jiang L. Genetic Fusion of Transacting Activator of Transcription Peptide to Cyclized Green Fluorescence Protein Improves Stability, Intracellular Delivery, and Tumor Retention. ACS OMEGA 2021; 6:7931-7940. [PMID: 33778304 PMCID: PMC7992142 DOI: 10.1021/acsomega.1c00532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 03/03/2021] [Indexed: 06/12/2023]
Abstract
Therapeutic proteins such as enzymes, hormones, and cytokines suffer from poor stability, inefficient cellular penetration, and rapid clearance from circulation. Conjugation with polymers (such as poly(ethylene glycol)) and fusion with long-acting proteins (such as albumin and Fc fragments) have been utilized to partially address the delivery issues, but these strategies require the introduction of new macromolecular substances, resulting in potential immunogenicity and toxicity. Herein, we report an easy strategy to increase the intracellular delivery efficiency and stability of proteins by combining of sortase-mediated protein cyclization and cell-penetrating peptide (CPP)-mediated intracellular delivery. We, for the first time, genetically constructed a green fluorescence protein (GFP) fused with a CPP, a transacting activator of transcription (TAT) peptide, at its C-terminus for intracellular internalization, and two sortase recognition sequences, pentaglycine and LPETG, at its N- and C-termini for cyclization. Notably, the cyclized GFP-TAT (cGFP-TAT) not only highly retained the photophysical properties of the protein but also significantly improved the in vitro stability compared with the native linear GFP (lGFP) and linear TAT peptide-fused GFP (lGFP-TAT).Moreover, cGFP-TAT showed better cellular internalization ability compared with lGFP. In C26 tumor-inoculated mice, cGFP-TAT exhibited enhanced in vivo tumor retention, with increases of 7.79- and 6.52-fold relative to lGFP and lGFP-TAT in tumor retention 3 h after intratumor administration. This proof-of-concept study has provided an easy strategy to increase the in vitro stability, intracellular delivery efficiency, and in vivo tumor retention of GFP, which would be applicable to numerous therapeutic proteins and peptides for clinical practice.
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Affiliation(s)
- Jianquan Shi
- Department
of Intensive Care Unit, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor
Research Institute, Beijing 101149, China
| | - Jin Hu
- Department
of Medical Research Center, State Key Laboratory of Complex Severe
and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union
Medical College, Beijing 100730, China
| | - Yeshuang Yuan
- Department
of Medical Research Center, State Key Laboratory of Complex Severe
and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union
Medical College, Beijing 100730, China
- Department
of Microbiology and Immunology, North Sichuan
Medical College, Nanchong 637100, China
| | - Bo Zhang
- Department
of Medical Research Center, State Key Laboratory of Complex Severe
and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union
Medical College, Beijing 100730, China
| | - Wenting Guo
- Department
of Medical Research Center, State Key Laboratory of Complex Severe
and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union
Medical College, Beijing 100730, China
| | - Yuanhao Wu
- Department
of Medical Research Center, State Key Laboratory of Complex Severe
and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union
Medical College, Beijing 100730, China
| | - Lingjuan Jiang
- Department
of Medical Research Center, State Key Laboratory of Complex Severe
and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union
Medical College, Beijing 100730, China
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11
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Skwarecki AS, Nowak MG, Milewska MJ. Synthetic strategies in construction of organic low molecular-weight carrier-drug conjugates. Bioorg Chem 2020; 104:104311. [PMID: 33142423 DOI: 10.1016/j.bioorg.2020.104311] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/31/2020] [Accepted: 09/20/2020] [Indexed: 12/30/2022]
Abstract
Inefficient transportation of polar metabolic inhibitors through cell membranes of eukaryotic and prokaryotic cells precludes their direct use as drug candidates in chemotherapy. One of the possible solutions to this problem is application of the 'Trojan horse' strategy, i.e. conjugation of an active substance with a molecular carrier of organic or inorganic nature, facilitating membrane penetration. In this work, the synthetic strategies used in rational design and preparation of conjugates of bioactive agents with three types of organic low molecular-weight carriers have been reviewed. These include iron-chelating agents, siderophores and cell-penetrating peptides. Moreover, a less known but very promising "molecular umbrella" conjugation strategy has been presented. Special attention has been paid on appropriate linking strategies, especially these allowing intracellular drug release after internalisation of a conjugate.
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Affiliation(s)
- Andrzej S Skwarecki
- Department of Pharmaceutical Technology and Biochemistry, Gdańsk University of Technology, 11/12 Gabriela Narutowicza Street, 80-233 Gdańsk, Poland.
| | - Michał G Nowak
- Department of Organic Chemistry, Gdańsk University of Technology, 11/12 Gabriela Narutowicza Street, 80-233 Gdańsk, Poland
| | - Maria J Milewska
- Department of Organic Chemistry, Gdańsk University of Technology, 11/12 Gabriela Narutowicza Street, 80-233 Gdańsk, Poland
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12
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Bahman F, Taurin S, Altayeb D, Taha S, Bakhiet M, Greish K. Oral Insulin Delivery Using Poly (Styrene Co-Maleic Acid) Micelles in a Diabetic Mouse Model. Pharmaceutics 2020; 12:pharmaceutics12111026. [PMID: 33120872 PMCID: PMC7692855 DOI: 10.3390/pharmaceutics12111026] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/18/2020] [Accepted: 10/22/2020] [Indexed: 01/13/2023] Open
Abstract
The oral delivery of insulin is a convenient and safe physiological route of administration for management of diabetes mellitus. In this study, we developed a poly-(styrene-co-maleic acid) (SMA) micellar system for oral insulin delivery to overcome the rapid degradation of insulin in the stomach, improve its absorption in the intestine, and provide a physiologically-relevant method of insulin to reach portal circulation. The insulin was encapsulated into SMA micelles in a pH-dependent process. The charge and size of the nanoparticles were determined by dynamic light scattering. The insulin loading of the nanoparticles was measured by HPLC. The transport of the SMA-insulin through biological membranes was assessed in vitro using Caco-2 cells, ex vivo rat intestinal section, and in vivo in a streptozotocin-induced diabetes mouse model. SMA-insulin micelles were negatively charged and had a mean diameter of 179.7 nm. SMA-insulin efficiently stimulated glucose uptake in HepG-2 hepatic cells and was transported across the Caco-2 epithelial cells in vitro by 46% and ex vivo across intestinal epithelium by 22%. The animal studies demonstrated that orally-administered SMA-insulin can produce a hypoglycemic effect up to 3 h after administration of one dose. Overall, our results indicate that SMA micelles are capable of the oral delivery of bioactive compounds like insulin and can be effective tools in the management of diabetes.
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Affiliation(s)
- Fatemah Bahman
- Correspondence: (F.B.); (K.G.); Tel.: +965-6622-2701 (F.B.); +973-1723-7393 (K.G.)
| | | | | | | | | | - Khaled Greish
- Correspondence: (F.B.); (K.G.); Tel.: +965-6622-2701 (F.B.); +973-1723-7393 (K.G.)
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13
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Sennakesavan G, Mostakhdemin M, Dkhar L, Seyfoddin A, Fatihhi S. Acrylic acid/acrylamide based hydrogels and its properties - A review. Polym Degrad Stab 2020. [DOI: 10.1016/j.polymdegradstab.2020.109308] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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Abstract
Protein and peptide therapeutics require parenteral administration, which can be a deterrent to medication adherence. For this reason, there have been extensive efforts to develop alternative delivery strategies, particularly for peptides such as insulin that are used to treat endocrine disorders. Oral delivery is especially desirable, but it faces substantial barriers related to the structural organization and physiological function of the gastrointestinal tract. This article highlights strategies designed to overcome these barriers, including permeation enhancers, inhibitors of gut enzymes, and mucus-penetrating and cell-penetrating peptides. It then focuses on the experience with oral peptides that have reached clinical trials, including insulin, calcitonin, parathyroid hormone and vasopressin, with an emphasis on the advances that have recently led to the landmark approval of an oral formulation of the glucagon-like peptide 1 receptor agonist semaglutide for the treatment of type 2 diabetes.
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Affiliation(s)
- Daniel J Drucker
- Department of Medicine and Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada.
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15
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Smart pH-responsive polymeric micelles for programmed oral delivery of insulin. Colloids Surf B Biointerfaces 2019; 183:110443. [DOI: 10.1016/j.colsurfb.2019.110443] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/24/2019] [Accepted: 08/15/2019] [Indexed: 11/17/2022]
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16
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Doostmohammadi M, Ameri A, Mohammadinejad R, Dehghannoudeh N, Banat IM, Ohadi M, Dehghannoudeh G. Hydrogels For Peptide Hormones Delivery: Therapeutic And Tissue Engineering Applications. Drug Des Devel Ther 2019; 13:3405-3418. [PMID: 31579238 PMCID: PMC6770672 DOI: 10.2147/dddt.s217211] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Accepted: 09/02/2019] [Indexed: 12/13/2022] Open
Abstract
Peptides are the most abundant biological compounds in the cells that act as enzymes, hormones, structural element, and antibodies. Mostly, peptides have problems to move across the cells because of their size and poor cellular penetration. Therefore, a carrier that could transfer peptides into cells is ideal and would be effective for disease treatment. Until now, plenty of polymers, e.g., polysaccharides, polypeptides, and lipids were used in drug delivery. Hydrogels made from polysaccharides showed significant development in targeted delivery of peptide hormones because of their natural characteristics such as networks, pore sizes, sustainability, and response to external stimuli. The main aim of the present review was therefore, to gather the important usages of the hydrogels as a carrier in peptide hormone delivery and their application in tissue engineering and regenerative medicine.
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Affiliation(s)
- Mohsen Doostmohammadi
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Atefeh Ameri
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Reza Mohammadinejad
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Negar Dehghannoudeh
- Faculty of Arts and Science, University of Toronto, TorontoM5S3G3, Ontario, Canada
| | - Ibrahim M Banat
- School of Biomedical Sciences, Faculty of Life & Health Sciences, University of Ulster, ColeraineBT52 1SA, Northern Ireland, UK
| | - Mandana Ohadi
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Gholamreza Dehghannoudeh
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
- Department of Pharmaceutics, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
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17
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Reid LM, Verma CS, Essex JW. The role of molecular simulations in understanding the mechanisms of cell-penetrating peptides. Drug Discov Today 2019; 24:1821-1835. [DOI: 10.1016/j.drudis.2019.06.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 05/12/2019] [Accepted: 06/17/2019] [Indexed: 01/06/2023]
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18
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Ramírez PG, Del Pópolo MG, Vila JA, Szleifer I, Longo GS. Adsorption and insertion of polyarginine peptides into membrane pores: The trade-off between electrostatics, acid-base chemistry and pore formation energy. J Colloid Interface Sci 2019; 552:701-711. [PMID: 31176053 DOI: 10.1016/j.jcis.2019.05.087] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 05/24/2019] [Accepted: 05/25/2019] [Indexed: 12/21/2022]
Abstract
The mechanism that arginine-rich cell penetrating peptides (ARCPPs) use to translocate lipid membranes is not entirely understood. In the present work, we develop a molecular theory that allows to investigate the adsorption and insertion of ARCPPs on membranes bearing hydrophilic pores. This method accounts for size, shape, conformation, protonation state and charge distribution of the peptides; it also describes the state of protonation of acidic membrane lipids. We present a systematic investigation of the effect of pore size, peptide concentration and sequence length on the extent of peptide adsorption and insertion into the pores. We show that adsorption on the intact (non-porated) lipid membrane plays a key role on peptide translocation. For peptides shorter than nona-arginine, adsorption on the intact membrane increases significantly with chain length, but it saturates for longer peptides. However, this adsorption behavior only occurs at relatively low peptide concentrations; increasing peptide concentration favors adsorption of the shorter molecules. Adsorption of longer peptides increases the intact membrane negative charge as a result of further deprotonation of acidic lipids. Peptide insertion into the pores depends non-monotonically on pore radius, which reflects the short range nature of the effective membrane-peptide interactions. The size of the pore that promotes maximum adsorption depends on the peptide chain length. Peptide translocation is a thermally activated process, so we complement our thermodynamic approach with a simple kinetic model that allows to rationalize the ARCPPs translocation rate in terms of the free energy gain of adsorption, and the energy cost of creating a transmembrane pore with peptides in it. Our results indicate that strategies to improve translocation efficiency should focus on enhancing peptide adsorption.
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Affiliation(s)
- Pedro G Ramírez
- Instituto de Matemática Aplicada San Luis (IMASL), UNSL-CONICET, San Luis, Argentina
| | - Mario G Del Pópolo
- IICB-CONICET & Facultad de Ciencias Exactas y Naturales (FCEN), UNCuyo, Mendoza, Argentina
| | - Jorge A Vila
- Instituto de Matemática Aplicada San Luis (IMASL), UNSL-CONICET, San Luis, Argentina
| | - I Szleifer
- Department of Biomedical Engineering, Department of Chemistry and Chemistry of Life Processes Institute, Northwestern University, Evanston IL, USA
| | - Gabriel S Longo
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), UNLP-CONICET, La Plata, Argentina.
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19
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Hydrogels and Their Applications in Targeted Drug Delivery. Molecules 2019; 24:molecules24030603. [PMID: 30744011 PMCID: PMC6384686 DOI: 10.3390/molecules24030603] [Citation(s) in RCA: 343] [Impact Index Per Article: 68.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 01/31/2019] [Accepted: 02/02/2019] [Indexed: 11/16/2022] Open
Abstract
Conventional drug delivery approaches are plagued by issues pertaining to systemic toxicity and repeated dosing. Hydrogels offer convenient drug delivery vehicles to ensure these disadvantages are minimized and the therapeutic benefits from the drug are optimized. With exquisitely tunable physical properties that confer them great controlled drug release features and the merits they offer for labile drug protection from degradation, hydrogels emerge as very efficient drug delivery systems. The versatility and diversity of the hydrogels extend their applications beyond targeted drug delivery also to wound dressings, contact lenses and tissue engineering to name but a few. They are 90% water, and highly porous to accommodate drugs for delivery and facilitate controlled release. Herein we discuss hydrogels and how they could be manipulated for targeted drug delivery applications. Suitable examples from the literature are provided that support the recent advancements of hydrogels in targeted drug delivery in diverse disease areas and how they could be suitably modified in very different ways for achieving significant impact in targeted drug delivery. With their enormous amenability to modification, hydrogels serve as promising delivery vehicles of therapeutic molecules in several disease conditions, including cancer and diabetes.
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20
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Karaś M. Influence of physiological and chemical factors on the absorption of bioactive peptides. Int J Food Sci Technol 2018. [DOI: 10.1111/ijfs.14054] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Monika Karaś
- Department of Biochemistry and Food Chemistry University of Life Sciences Skromna Str. 8 20‐704 Lublin Poland
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21
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Gallo M, Defaus S, Andreu D. 1988-2018: Thirty years of drug smuggling at the nano scale. Challenges and opportunities of cell-penetrating peptides in biomedical research. Arch Biochem Biophys 2018; 661:74-86. [PMID: 30447207 DOI: 10.1016/j.abb.2018.11.010] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 11/08/2018] [Accepted: 11/12/2018] [Indexed: 12/22/2022]
Abstract
In 1988, two unrelated papers reported the discovery of peptide vectors with innate cell translocation properties, setting the ground for a new area of research that over the years has grown into considerable therapeutic potential. The vectors, named cell-penetrating peptides (CPPs), constitute a now large and diversified family, sharing the extraordinary ability to diffuse unaltered across cell membranes while ferrying diverse associated cargos. Such properties have made CPPs ideal tools for delivery of nucleic acids, proteins and other therapeutic/diagnostic molecules to cells and tissues via covalent conjugation or complexation. This year 2018 marks the 30th anniversary of a peptide research landmark opening new perspectives in drug delivery. Given its vastness, exhaustive coverage of the main features and accomplishments in the CPP field is virtually impossible. Hence this manuscript, after saluting the above 30th jubilee, focuses by necessity on the most recent contributions, providing a comprehensive list of recognized CPPs and their latest-reported applications over the last two years. In addition, it thoroughly reviews three areas of peptide vector research of particular interest to us, namely (i) efficient transport of low-bioavailability drugs into the brain; (ii) CPP-delivered disruptors of G protein-coupled receptor (GPCRs) heteromers related to several disorders, and (iii) CPP-mediated delivery of useful but poorly internalized drugs into parasites.
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Affiliation(s)
- Maria Gallo
- Department of Experimental and Health Sciences, Pompeu Fabra University, Barcelona Biomedical Research Park, 08003 Barcelona, Spain
| | - Sira Defaus
- Department of Experimental and Health Sciences, Pompeu Fabra University, Barcelona Biomedical Research Park, 08003 Barcelona, Spain.
| | - David Andreu
- Department of Experimental and Health Sciences, Pompeu Fabra University, Barcelona Biomedical Research Park, 08003 Barcelona, Spain.
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