1
|
Wei X, Diarra S, Douchez A, Cunico Dallagnol JC, Hébert TE, Chatenet D, Lubell WD. Urotensin II Receptor Modulation with 1,3,4-Benzotriazepin-2-one Tetrapeptide Mimics. J Med Chem 2023; 66:14241-14262. [PMID: 37800680 DOI: 10.1021/acs.jmedchem.3c01307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Urotensin II receptor (UT) modulators that differentiate the effects of the endogenous cyclic peptide ligands urotensin II (UII) and urotensin II-related peptide (URP) offer potential for dissecting their respective biological roles in disease etiology. Selective modulators of hUII and URP activities were obtained using 1,3,4-benzotriazepin-2-one mimics of a purported bioactive γ-turn conformation about the Bip-Lys-Tyr tripeptide sequence of urocontrin ([Bip4]URP). Considering an active β-turn conformer about the shared Phe-Trp-Lys-Tyr sequence of UII and URP, 8-substituted 1,3,4-benzotriazepin-2-ones were designed to mimic the Phe-Bip-Lys-Tyr tetrapeptide sequence of urocontrin, synthesized, and examined for biological activity. Subtle 5- and 8-position modifications resulted in biased signaling and selective modulation of hUII- or URP-induced vasoconstriction. For example, p-hydroxyphenethyl analogs 17b-d were strong Gα13 and βarr1 activators devoid of Gαq-mediated signaling. Tertiary amides 15d and 17d negatively modulated hUII-induced vasoconstriction without affecting URP-mediated responses. Benzotriazepinone carboxamides proved to be exceptional tools for elucidating the pharmacological complexity of UT.
Collapse
Affiliation(s)
- Xiaozheng Wei
- Département de Chimie, Université de Montréal, 1375 Ave. Thérèse-Lavoie-Roux, Montréal, Québec, Canada H2V 0B3
| | - Sitan Diarra
- Institut National de la Recherche Scientifique (INRS), Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Ville de Laval, Québec, Canada H7V 1B7
| | - Antoine Douchez
- Département de Chimie, Université de Montréal, 1375 Ave. Thérèse-Lavoie-Roux, Montréal, Québec, Canada H2V 0B3
- Institut National de la Recherche Scientifique (INRS), Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Ville de Laval, Québec, Canada H7V 1B7
| | - Juliana C Cunico Dallagnol
- Department of Pharmacology and Therapeutics, McGill University, 3655 Promenade SirWilliam Osler, Montréal, Québec, Canada H3G 1Y6
- Institut National de la Recherche Scientifique (INRS), Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Ville de Laval, Québec, Canada H7V 1B7
| | - Terence E Hébert
- Department of Pharmacology and Therapeutics, McGill University, 3655 Promenade SirWilliam Osler, Montréal, Québec, Canada H3G 1Y6
| | - David Chatenet
- Institut National de la Recherche Scientifique (INRS), Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Ville de Laval, Québec, Canada H7V 1B7
| | - William D Lubell
- Département de Chimie, Université de Montréal, 1375 Ave. Thérèse-Lavoie-Roux, Montréal, Québec, Canada H2V 0B3
| |
Collapse
|
2
|
Billard E, Hébert TE, Chatenet D. EXPLORATION OF THE UROCONTRIN A SCAFFOLD YIELDS NEW UROTENSINERGIC SYSTEM ALLOSTERIC MODULATOR AND COMPETITIVE ANTAGONISTS. Biochem Pharmacol 2023; 211:115485. [PMID: 36889446 DOI: 10.1016/j.bcp.2023.115485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 02/28/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023]
Abstract
The urotensinergic system, involved in the development and/or progression of numerous pathological conditions, is composed of one G protein-coupled receptor (UT) and two endogenous ligands known as urotensin II (UII) and urotensin II-related peptide (URP). These two structurally related hormones, which exert common and divergent effects, are thought to play specific biological roles. In recent years, we have characterized an analog termed urocontrin A (UCA), i.e. [Pep4]URP, which is capable of discriminating the effects of UII from URP. Such an action could allow the delineation of the respective functions of these two endogenous ligands. In an effort to define the molecular determinants involved in this behavior and to improve the pharmacological profile of UCA, we introduced modifications from urantide, considered for some time as a lead compound for the development of UT antagonists, into UCA and assessed the binding, contractile activity and G protein signaling of these newly developed compounds. Our results show that UCA and its derivatives exert probe-dependent effects on UT antagonism, and we have further identified [Pen2, Pep4]URP as a Gq biased ligand with an insurmountable antagonism in our aortic ring contraction assay.
Collapse
Affiliation(s)
- Etienne Billard
- INRS - Centre Armand-Frappier Santé Biotechnologie, Groupe de Recherche en Ingénierie des Peptides et en Pharmacothérapie (GRIPP), Université du Québec, Ville de Laval, Québec H7V 1B7, Canada; Department of Pharmacology and Therapeutics, McGill University, Montréal, Québec H3A 1A3, Canada
| | - Terence E Hébert
- Department of Pharmacology and Therapeutics, McGill University, Montréal, Québec H3A 1A3, Canada
| | - David Chatenet
- INRS - Centre Armand-Frappier Santé Biotechnologie, Groupe de Recherche en Ingénierie des Peptides et en Pharmacothérapie (GRIPP), Université du Québec, Ville de Laval, Québec H7V 1B7, Canada.
| |
Collapse
|
3
|
Pereira-Castro J, Brás-Silva C, Fontes-Sousa AP. Novel insights into the role of urotensin II in cardiovascular disease. Drug Discov Today 2019; 24:2170-2180. [PMID: 31430542 DOI: 10.1016/j.drudis.2019.08.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/26/2019] [Accepted: 08/12/2019] [Indexed: 12/16/2022]
Abstract
Urotensin II (UII) is a vasoactive peptide that interacts with a specific receptor called the UT receptor. UII has been implicated in cardiovascular regulation, with promising therapeutic applications based on UT receptor antagonism. The endogenous ligands of the UT receptor: UII and urotensin-related peptide (URP), differentially bind and activate this receptor. Also, the receptor localization is not restricted to the plasma membrane, possibly inducing different physiological responses that could support its inconsistent, but potent, vasoactive activity. These properties could explain the disappointing outcomes in clinical studies, in contrast to the positive preclinical results regarding heart failure, pulmonary hypertension, atherosclerosis and diabetes mellitus. These aspects should be considered in future investigations to a better comprehension of the role of UII as a potential therapeutic target.
Collapse
Affiliation(s)
- João Pereira-Castro
- Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), Porto, Portugal
| | - Carmen Brás-Silva
- Department of Surgery and Physiology, UnIC - Cardiovascular Research Centre, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Ana Patrícia Fontes-Sousa
- Laboratório de Farmacologia e Neurobiologia, Centro de Investigação Farmacológica e Inovação Medicamentosa (MedInUP), Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto (ICBAS-UP), Porto, Portugal.
| |
Collapse
|
4
|
Iyinikkel J, Murray F. GPCRs in pulmonary arterial hypertension: tipping the balance. Br J Pharmacol 2018; 175:3063-3079. [PMID: 29468655 PMCID: PMC6031878 DOI: 10.1111/bph.14172] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 01/30/2018] [Accepted: 02/01/2018] [Indexed: 02/06/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a progressive, fatal disease characterised by increased pulmonary vascular resistance and excessive proliferation of pulmonary artery smooth muscle cells (PASMC). GPCRs, which are attractive pharmacological targets, are important regulators of pulmonary vascular tone and PASMC phenotype. PAH is associated with the altered expression and function of a number of GPCRs in the pulmonary circulation, which leads to the vasoconstriction and proliferation of PASMC and thereby contributes to the imbalance of pulmonary vascular tone associated with PAH; drugs targeting GPCRs are currently used clinically to treat PAH and extensive preclinical work supports the utility of a number of additional GPCRs. Here we review how GPCR expression and function changes with PAH and discuss why GPCRs continue to be relevant drug targets for the disease.
Collapse
Affiliation(s)
- Jean Iyinikkel
- College of Life Sciences and Medicine, School of Medicine, Medical Sciences and NutritionUniversity of AberdeenAberdeenUK
| | - Fiona Murray
- College of Life Sciences and Medicine, School of Medicine, Medical Sciences and NutritionUniversity of AberdeenAberdeenUK
| |
Collapse
|
5
|
Urantide improves the structure and function of right ventricle as determined by echocardiography in monocrotaline-induced pulmonary hypertension rat model. Clin Rheumatol 2018; 38:29-35. [DOI: 10.1007/s10067-018-3978-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 12/24/2017] [Accepted: 01/03/2018] [Indexed: 12/27/2022]
|
6
|
Douchez A, Billard E, Hébert TE, Chatenet D, Lubell WD. Design, Synthesis, and Biological Assessment of Biased Allosteric Modulation of the Urotensin II Receptor Using Achiral 1,3,4-Benzotriazepin-2-one Turn Mimics. J Med Chem 2017; 60:9838-9859. [DOI: 10.1021/acs.jmedchem.7b01525] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Antoine Douchez
- Département
de Chimie, Université de Montréal, CP 6128, Station Centre-ville, Montréal, Québec H3C 3J7, Canada
- INRS—Institut
Armand-Frappier, Groupe de Recherche en Ingénierie des Peptides
et en Pharmacothérapie (GRIPP), Université du Québec, Ville de Laval, Québec H7V 1B7, Canada
| | - Etienne Billard
- INRS—Institut
Armand-Frappier, Groupe de Recherche en Ingénierie des Peptides
et en Pharmacothérapie (GRIPP), Université du Québec, Ville de Laval, Québec H7V 1B7, Canada
| | - Terence E. Hébert
- Department
of Pharmacology and Therapeutics, McGill University, Montréal, Québec H3G 1Y6, Canada
| | - David Chatenet
- INRS—Institut
Armand-Frappier, Groupe de Recherche en Ingénierie des Peptides
et en Pharmacothérapie (GRIPP), Université du Québec, Ville de Laval, Québec H7V 1B7, Canada
| | - William D. Lubell
- Département
de Chimie, Université de Montréal, CP 6128, Station Centre-ville, Montréal, Québec H3C 3J7, Canada
| |
Collapse
|
7
|
Sun H, Zhang L, Shen D. Urantide protects CCl 4-induced liver injury via inhibiting GPR14 signal in mice. BIOTECHNOL BIOTEC EQ 2017. [DOI: 10.1080/13102818.2016.1253436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Affiliation(s)
- Haiying Sun
- Department of Infectious Disease, Qingdao Hospital, Qingdao, China
| | - Lin Zhang
- Department of Infectious Disease, Qingdao Hospital, Qingdao, China
| | - Dan Shen
- Department of Infectious Disease, Qingdao Hospital, Qingdao, China
| |
Collapse
|
8
|
A urotensin II receptor antagonist, KR36676, decreases vascular remodeling and inflammation in experimental pulmonary hypertension. Int Immunopharmacol 2016; 40:196-202. [DOI: 10.1016/j.intimp.2016.09.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 07/27/2016] [Accepted: 09/02/2016] [Indexed: 12/11/2022]
|
9
|
Yang Y, Zhang J, Chen X, Wu T, Xu X, Cao G, Li H, Li Y. UII/GPR14 is involved in NF-κB-mediated colonic inflammation in vivo and in vitro. Oncol Rep 2016; 36:2800-2806. [PMID: 27600191 DOI: 10.3892/or.2016.5069] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 05/04/2016] [Indexed: 12/12/2022] Open
Abstract
The present study was conducted to investigate the molecular mechanism of urotensin II (UII) and its receptor, G protein‑coupled receptor 14 (GPR14), in colonic inflammation. Urantide, a special antagonist of GPR14, and GPR14-siRNA were used to inhibit GPR14 signaling in dextran sulfate sodium (DSS)‑induced inflammation in mice and Caco-2 cells. The results showed that urantide alleviated rectal bleeding, histological injury and production of interleukin (IL)-17 and tumor necrosis factor‑α (TNF‑α) caused by DSS in mice. GPR14-siRNA transfection subsequent with GPR14 inhibition reduced DSS-induced interferon-γ (IFN)-γ production in Caco-2 cells. Meanwhile, both in vivo and in vitro data demonstrated that inhibition of UII/GPR14 alleviated nuclear factor-κB (NF-κB) activation caused by DSS. In conclusion, UII/GPR14 signaling was involved in the DSS-induced colonic inflammation and its inhibition may serve as a potential therapeutic target, which may be associated with the NF-κB signaling pathway.
Collapse
Affiliation(s)
- Yi Yang
- Department of General Surgery, Second Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Jinpei Zhang
- Department of Encephalopathy, Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi 712000, P.R. China
| | - Xi Chen
- Department of General Surgery, Second Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Tao Wu
- Department of General Surgery, Second Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Xin Xu
- Department of General Surgery, Second Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Gang Cao
- Department of General Surgery, Second Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Hua Li
- Department of General Surgery, Second Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Yiming Li
- Department of General Surgery, Second Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| |
Collapse
|
10
|
Overview of Antagonists Used for Determining the Mechanisms of Action Employed by Potential Vasodilators with Their Suggested Signaling Pathways. Molecules 2016; 21:495. [PMID: 27092479 PMCID: PMC6274436 DOI: 10.3390/molecules21040495] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 03/23/2016] [Accepted: 03/28/2016] [Indexed: 01/04/2023] Open
Abstract
This paper is a review on the types of antagonists and the signaling mechanism pathways that have been used to determine the mechanisms of action employed for vasodilation by test compounds. Thus, we exhaustively reviewed and analyzed reports related to this topic published in PubMed between the years of 2010 till 2015. The aim of this paperis to suggest the most appropriate type of antagonists that correspond to receptors that would be involved during the mechanistic studies, as well as the latest signaling pathways trends that are being studied in order to determine the route(s) that atest compound employs for inducing vasodilation. The methods to perform the mechanism studies were included. Fundamentally, the affinity, specificity and selectivity of the antagonists to their receptors or enzymes were clearly elaborated as well as the solubility and reversibility. All the signaling pathways on the mechanisms of action involved in the vascular tone regulation have been well described in previous review articles. However, the most appropriate antagonists that should be utilized have never been suggested and elaborated before, hence the reason for this review.
Collapse
|
11
|
Dufour-Gallant J, Chatenet D, Lubell WD. De Novo Conception of Small Molecule Modulators Based on Endogenous Peptide Ligands: Pyrrolodiazepin-2-one γ-Turn Mimics That Differentially Modulate Urotensin II Receptor-Mediated Vasoconstriction ex Vivo. J Med Chem 2015; 58:4624-37. [DOI: 10.1021/acs.jmedchem.5b00162] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Julien Dufour-Gallant
- Département
de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec H3C 3J7, Canada
- INRS—Institut
Armand-Frappier, Groupe de Recherche en Ingénierie des Peptides
et en Pharmacothérapie (GRIPP), Université du Québec, Ville de Laval, Québec H7V 1B7, Canada
| | - David Chatenet
- INRS—Institut
Armand-Frappier, Groupe de Recherche en Ingénierie des Peptides
et en Pharmacothérapie (GRIPP), Université du Québec, Ville de Laval, Québec H7V 1B7, Canada
| | - William D. Lubell
- Département
de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec H3C 3J7, Canada
| |
Collapse
|
12
|
Mahdavi N, Joukar S, Najafipour H, Asadi-Shekaari M. The promising effect of barberry (Zereshk) extract against experimental pulmonary microvascular remodeling and hypertension: A comparison with sildenafil. PHARMACEUTICAL BIOLOGY 2015; 54:509-515. [PMID: 26023989 DOI: 10.3109/13880209.2015.1050676] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
CONTEXT Despite the beneficial effects of barberry (Berberis integerrima Berberidaceae) on decreasing systemic hypertension, its influence has not been investigated on pulmonary hypertension. OBJECTIVE The objective of this study is to examine the effect of barberry fruit, on monocrotaline-induced pulmonary hypertension. MATERIALS AND METHODS Nine groups were arranged as follows: the control group, the monocrotaline (M) group, the barberry groups with doses of 50, 100, and 200 (mg/kg), the M plus barberry groups, and the M plus sildenafil group. Two weeks after a single injection of monocrotaline (60 mg/kg, s.c.), barberry water extracts or sildenafil (30 mg/kg/d) were gavaged daily for 2 weeks. At the end of the 4th week, hemodynamic, biochemical, and histopathological parameters were assessed. RESULTS In comparison with the M group, barberry (200 mg/kg) or sildenafil significantly reduced the right ventricular systolic pressure (RVSP) (22.95 ± 1.78 mm Hg and 30.71 ± 1.64 mm Hg, versus 41.28 ± 1.5 mm Hg), right ventricular hypertrophy (RVH) (0.39 ± 0.03 and 0.42 ± 0.02, versus 0.57 ± 0.02), and the medial wall thickness (MWT) (4.56 ± 0.15 µm and 5.97 ± 0.19 µm, versus 7.02 ± 0.43 µm). Barberry or sildenafil had no significant effect on the plasma level of endothelin-1, glutathione peroxidase, and the malondialdehide of lung. CONCLUSION 200 mg/kg of barberry has an improving effect on the monocrotaline-induced pulmonary hypertension. This effect was stronger than that of the sildenafil's and may have been mediated through mechanisms other than the modulation of the endothelin-1 or redox system.
Collapse
Affiliation(s)
- Naser Mahdavi
- a Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences , Kerman , Iran
- b Department of Physiology and Pharmacology , School of Medicine, Kerman University of Medical Sciences , Kerman , Iran
| | - Siyavash Joukar
- a Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences , Kerman , Iran
- b Department of Physiology and Pharmacology , School of Medicine, Kerman University of Medical Sciences , Kerman , Iran
| | - Hamid Najafipour
- b Department of Physiology and Pharmacology , School of Medicine, Kerman University of Medical Sciences , Kerman , Iran
- c Cardiovascular Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences , Kerman , Iran , and
| | - Majid Asadi-Shekaari
- d Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences , Kerman , Iran
| |
Collapse
|
13
|
Palosuran Treatment Effective as Bosentan in the Treatment Model of Pulmonary Arterial Hypertension. Inflammation 2014; 37:1280-8. [DOI: 10.1007/s10753-014-9855-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
|
14
|
Chatenet D, Folch B, Feytens D, Létourneau M, Tourwé D, Doucet N, Fournier A. Development and Pharmacological Characterization of Conformationally Constrained Urotensin II-Related Peptide Agonists. J Med Chem 2013; 56:9612-22. [DOI: 10.1021/jm401153j] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- David Chatenet
- INRS-Institut
Armand-Frappier, Institut national de la recherche scientifique, Université du Québec, Ville de Laval, Québec, QC H7V 1B7, Canada
- Laboratoire International
Associé Samuel de Champlain, INSERM-INRS-Université
de Rouen
| | - Benjamin Folch
- INRS-Institut
Armand-Frappier, Institut national de la recherche scientifique, Université du Québec, Ville de Laval, Québec, QC H7V 1B7, Canada
| | - Debby Feytens
- Department
of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - Myriam Létourneau
- INRS-Institut
Armand-Frappier, Institut national de la recherche scientifique, Université du Québec, Ville de Laval, Québec, QC H7V 1B7, Canada
- Laboratoire International
Associé Samuel de Champlain, INSERM-INRS-Université
de Rouen
| | - Dirk Tourwé
- Department
of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - Nicolas Doucet
- INRS-Institut
Armand-Frappier, Institut national de la recherche scientifique, Université du Québec, Ville de Laval, Québec, QC H7V 1B7, Canada
- Regroupement
Québécois de Recherche sur la Fonction, la Structure
et l’Ingénierie des Protéines, PROTEO, Québec, QC G1V 0A6, Canada
- GRASP,
Groupe de Recherche Axé sur la Structure des Protéines, McGill University, Bellini Pavillion, Room 453, 3649 Promenade Sir William Osler, Montréal, QC H3G 0B1, Canada
| | - Alain Fournier
- INRS-Institut
Armand-Frappier, Institut national de la recherche scientifique, Université du Québec, Ville de Laval, Québec, QC H7V 1B7, Canada
- Laboratoire International
Associé Samuel de Champlain, INSERM-INRS-Université
de Rouen
| |
Collapse
|
15
|
Yin Y, Wu X, Yang Z, Zhao J, Wang X, Zhang Q, Yuan M, Xie L, Liu H, He Q. The potential efficacy of R8-modified paclitaxel-loaded liposomes on pulmonary arterial hypertension. Pharm Res 2013; 30:2050-62. [PMID: 23756757 DOI: 10.1007/s11095-013-1058-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Accepted: 04/10/2013] [Indexed: 11/26/2022]
Abstract
PURPOSE In this paper, a novel liposomal formulation of paclitaxel modified with octaarginine (R8) was fabricated and the therapeutic efficacy of it on pulmonary arterial hypertension was evaluated. METHODS Octaarginine-modified stealth liposomes loaded with PTX (R8-PTX-LIP) were prepared and characterized. Vector cytoxicity and anti-proliferation ability of different formulations on primary cultured VSMCs were determined with MTT assay. The uptake capacity of VSMCs on different formulations were evaluated by flow cytometry, and the influences on cytoskeletons of liposomes were investigated by cytoskeleton staining with rhodamine-phalloidin. The biodistribution of liposomes were imaged by a CCD camera using a near-infrared fluorophore DiD. The therapeutic efficacy of different PTX-formulations of PAH was evaluated by hemodynamic measurement, right ventricular hypertrophic parameters and vessel diameters. RESULTS The cellular uptake of R8 modified liposomes (R8-LIP) was improved noticeably compared with other groups. All liposomes did not exert cytotoxicity on VSMCs in 24 h. R8-PTX-LIP exhibited the strongest inhibitory effect on the proliferation of VSMCs among all the formulations (p < 0.001). R8-PTX-LIP could reverse the phenotype transformation, and inhibit cell migration. mPAP, (RV/LV+S) and the wall thickness of small distal pulmonary arteries of rats treated with R8-PTX-LIP were significantly lower than those from other groups (p < 0.001). CONCLUSIONS In conclusion, the drug delivery system of R8-modified paclitaxel-loaded liposomes we established showed pronounced inhibitory effect over VSMCs proliferation and cytoskeleton formation in vitro, a stronger pulmonary delivery ability in vivo, and was effective on PAH, showing the potential for pulmonary drug delivery system for PAH treatment.
Collapse
Affiliation(s)
- Yujia Yin
- The Pulmonary Vascular Remodeling Research Unit Department of Pediatric, West China Second University Hospital, Sichuan University, No. 20, Section 3, RenminNanLu Road, Chengdu, Sichuan 610041, People's Republic of China
| | | | | | | | | | | | | | | | | | | |
Collapse
|
16
|
Onat AM, Pehlivan Y, Turkbeyler IH, Demir T, Kaplan DS, Ceribasi AO, Orkmez M, Tutar E, Taysi S, Sayarlioglu M, Kisacik B. Urotensin Inhibition with Palosuran Could Be a Promising Alternative in Pulmonary Arterial Hypertension. Inflammation 2012; 36:405-12. [DOI: 10.1007/s10753-012-9559-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|