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Sgambato V. The Serotonin 4 Receptor Subtype: A Target of Particular Interest, Especially for Brain Disorders. Int J Mol Sci 2024; 25:5245. [PMID: 38791281 PMCID: PMC11121119 DOI: 10.3390/ijms25105245] [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: 03/15/2024] [Revised: 04/22/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
In recent years, particular attention has been paid to the serotonin 4 receptor, which is well expressed in the brain, but also peripherally in various organs. The cerebral distribution of this receptor is well conserved across species, with high densities in the basal ganglia, where they are expressed by GABAergic neurons. The 5-HT4 receptor is also present in the cerebral cortex, hippocampus, and amygdala, where they are carried by glutamatergic or cholinergic neurons. Outside the central nervous system, the 5-HT4 receptor is notably expressed in the gastrointestinal tract. The wide distribution of the 5-HT4 receptor undoubtedly contributes to its involvement in a plethora of functions. In addition, the modulation of this receptor influences the release of serotonin, but also the release of other neurotransmitters such as acetylcholine and dopamine. This is a considerable asset, as the modulation of the 5-HT4 receptor can therefore play a direct or indirect beneficial role in various disorders. One of the main advantages of this receptor is that it mediates a much faster antidepressant and anxiolytic action than classical selective serotonin reuptake inhibitors. Another major benefit of the 5-HT4 receptor is that its activation enhances cognitive performance, probably via the release of acetylcholine. The expression of the 5-HT4 receptor is also altered in various eating disorders, and its activation by the 5-HT4 agonist negatively regulates food intake. Additionally, although the cerebral expression of this receptor is modified in certain movement-related disorders, it is still yet to be determined whether this receptor plays a key role in their pathophysiology. Finally, there is no longer any need to demonstrate the value of 5-HT4 receptor agonists in the pharmacological management of gastrointestinal disorders.
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Affiliation(s)
- Véronique Sgambato
- Institut des Sciences Cognitives Marc Jeannerod (ISCMJ), Unité Mixte de Recherche 5229 du Centre National de la Recherche Scientifique (CNRS), 69675 Bron, France; ; Tel.: +33-4379-11249
- UFR Biosciences, Université de Lyon 1, 69100 Villeurbanne, France
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2
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Cirillo R, Duperrier S, Parekh P, Millot M, Li Q, Thiolat ML, Morelli M, Xie J, Le Bars D, Redouté J, Bezard E, Sgambato V. Striatal Serotonin 4 Receptor is Increased in Experimental Parkinsonism and Dyskinesia. JOURNAL OF PARKINSON'S DISEASE 2024; 14:261-267. [PMID: 38339940 PMCID: PMC10977406 DOI: 10.3233/jpd-230331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/07/2024] [Indexed: 02/12/2024]
Abstract
Alterations of serotonin type 4 receptor levels are linked to mood disorders and cognitive deficits in several conditions. However, few studies have investigated 5-HT4R alterations in movement disorders. We wondered whether striatal 5-HT4R expression is altered in experimental parkinsonism. We used a brain bank tissue from a rat and a macaque model of Parkinson's disease (PD). We then investigated its in vivo PET imaging regulation in a cohort of macaques. Dopaminergic depletion increases striatal 5-HT4R in the two models, further augmented after dyskinesia-inducing L-Dopa. Pending confirmation in PD patients, the 5-HT4R might offer a therapeutic target for dampening PD's symptoms.
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Affiliation(s)
- Rossella Cirillo
- Institut des Sciences Cognitives Marc Jeannerod (ISCMJ), Unité Mixte de Recherche 5229 du Centre National de la Recherche Scientifique (CNRS), Bron, France
- Universitè de Lyon 1, Lyon, France
| | - Sandra Duperrier
- Institut des Sciences Cognitives Marc Jeannerod (ISCMJ), Unité Mixte de Recherche 5229 du Centre National de la Recherche Scientifique (CNRS), Bron, France
- Universitè de Lyon 1, Lyon, France
| | - Pathik Parekh
- Institut des Sciences Cognitives Marc Jeannerod (ISCMJ), Unité Mixte de Recherche 5229 du Centre National de la Recherche Scientifique (CNRS), Bron, France
- Universitè de Lyon 1, Lyon, France
- Department of Biomedical Sciences, Section of Neuroscience, University of Cagliari, Monserrato, Italy
| | - Mathilde Millot
- Institut des Sciences Cognitives Marc Jeannerod (ISCMJ), Unité Mixte de Recherche 5229 du Centre National de la Recherche Scientifique (CNRS), Bron, France
- Universitè de Lyon 1, Lyon, France
| | - Qin Li
- Motac Beijing Services, Beijing, China
| | - Marie-Laure Thiolat
- Universitè de Bordeaux, Institut des Maladies Neurodégénératives, Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, Bordeaux, France
| | - Micaela Morelli
- Department of Biomedical Sciences, Section of Neuroscience, University of Cagliari, Monserrato, Italy
| | - Jing Xie
- Institut des Sciences Cognitives Marc Jeannerod (ISCMJ), Unité Mixte de Recherche 5229 du Centre National de la Recherche Scientifique (CNRS), Bron, France
- Institut du Vieillissement, Centrede Recherche Clinique Vieillissement Cerveau Fragilité, Hôpital des Charpennes, Villeurbanne, France
| | | | | | - Erwan Bezard
- Motac Beijing Services, Beijing, China
- Universitè de Bordeaux, Institut des Maladies Neurodégénératives, Bordeaux, France
- CNRS, Institut des Maladies Neurodégénératives, Bordeaux, France
| | - Véronique Sgambato
- Institut des Sciences Cognitives Marc Jeannerod (ISCMJ), Unité Mixte de Recherche 5229 du Centre National de la Recherche Scientifique (CNRS), Bron, France
- Universitè de Lyon 1, Lyon, France
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3
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Wang N, Liu W, Zhou L, Liu W, Liang X, Liu X, Xu Z, Zhong T, Wu Q, Jiao X, Chen J, Ning X, Jiang X, Zhao Q. Design, Synthesis, and Biological Evaluation of Notopterol Derivatives as Triple Inhibitors of AChE/BACE1/GSK3β for the Treatment of Alzheimer's Disease. ACS OMEGA 2022; 7:32131-32152. [PMID: 36120034 PMCID: PMC9476211 DOI: 10.1021/acsomega.2c03368] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 08/19/2022] [Indexed: 06/15/2023]
Abstract
The pathogenesis of Alzheimer's disease (AD) is very complex, and there are many hypotheses. Therefore, the development of a multi-target-directed-ligand may be an effective therapeutic strategy. Our previous study showed that notopterol (a natural product from Notopterygium) is a dual BACE1/GSK3β inhibitor. In this study, we designed and synthesized 48 notopterol derivatives with furacoumarin as a scaffold in order to enhance their balanced AChE/BACE1/GSK3β inhibitory activity. Fortunately, 1c showed effective inhibitory activity against AChE (58.7% at 1.0 μM), BACE1 (48.3% at 20 μM), and GSK3β (40.3% at 10 μM). Furthermore, 1c showed good blood-brain barrier penetrability, suitable bioavailability, and oral safety. More importantly, 1c could ameliorate the impaired learning and memory in Aβ-induced AD mice. In conclusion, we reported the triple inhibitor of AChE/BACE1/GSK3β lead compounds based on a furocoumarin scaffold of notopterol for the first time, which provides a potential new strategy for the treatment of AD.
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Affiliation(s)
- Nan Wang
- Department
of Pharmacy, General Hospital of Northern
Theater Command, Shenyang110840, People’s Republic
of China
- School
of Life Sciences and Biopharmaceuticals, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
| | - Wenjie Liu
- School
of Traditional Chinese Materia Medica, Shenyang
Pharmaceutical University, Shenyang110016, People’s Republic
of China
| | - Lijun Zhou
- School
of Life Sciences and Biopharmaceuticals, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
| | - Wenwu Liu
- School
of Traditional Chinese Materia Medica, Shenyang
Pharmaceutical University, Shenyang110016, People’s Republic
of China
| | - Xu Liang
- School
of Life Sciences and Biopharmaceuticals, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
| | - Xin Liu
- School
of Life Sciences and Biopharmaceuticals, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
| | - Zihua Xu
- Department
of Pharmacy, General Hospital of Northern
Theater Command, Shenyang110840, People’s Republic
of China
| | - Tianming Zhong
- Department
of Pharmacy, General Hospital of Northern
Theater Command, Shenyang110840, People’s Republic
of China
| | - Qiong Wu
- Department
of Pharmacy, General Hospital of Northern
Theater Command, Shenyang110840, People’s Republic
of China
| | - Xinming Jiao
- School
of Life Sciences and Biopharmaceuticals, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
| | - Jiangxia Chen
- School
of Life Sciences and Biopharmaceuticals, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
| | - Xinyue Ning
- School
of Life Sciences and Biopharmaceuticals, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
| | - Xiaowen Jiang
- Department
of Pharmacy, General Hospital of Northern
Theater Command, Shenyang110840, People’s Republic
of China
- School
of Life Sciences and Biopharmaceuticals, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
- Key
Laboratory of Structure-Based Drug Design & Discovery, Ministry
of Education, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
| | - Qingchun Zhao
- Department
of Pharmacy, General Hospital of Northern
Theater Command, Shenyang110840, People’s Republic
of China
- School
of Life Sciences and Biopharmaceuticals, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
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4
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Wichur T, Godyń J, Góral I, Latacz G, Bucki A, Siwek A, Głuch-Lutwin M, Mordyl B, Śniecikowska J, Walczak M, Knez D, Jukič M, Sałat K, Gobec S, Kołaczkowski M, Malawska B, Brazzolotto X, Więckowska A. Development and crystallography-aided SAR studies of multifunctional BuChE inhibitors and 5-HT 6R antagonists with β-amyloid anti-aggregation properties. Eur J Med Chem 2021; 225:113792. [PMID: 34530376 DOI: 10.1016/j.ejmech.2021.113792] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/26/2021] [Accepted: 08/17/2021] [Indexed: 12/16/2022]
Abstract
The lack of an effective treatment makes Alzheimer's disease a serious healthcare problem and a challenge for medicinal chemists. Herein we report interdisciplinary research on novel multifunctional ligands targeting proteins and processes involved in the development of the disease: BuChE, 5-HT6 receptors and β-amyloid aggregation. Structure-activity relationship analyses supported by crystallography and docking studies led to the identification of a fused-type multifunctional ligand 50, with remarkable and balanced potencies against BuChE (IC50 = 90 nM) and 5-HT6R (Ki = 4.8 nM), and inhibitory activity against Aβ aggregation (53% at 10 μM). In in vitro ADME-Tox and in vivo pharmacokinetic studies compound 50 showed good stability in the mouse liver microsomes, favourable safety profile and brain permeability with the brain to plasma ratio of 6.79 after p.o. administration in mice, thus being a promising candidate for in vivo pharmacology studies and a solid foundation for further research on effective anti-AD therapies.
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Affiliation(s)
- Tomasz Wichur
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Justyna Godyń
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Izabella Góral
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Gniewomir Latacz
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Adam Bucki
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Agata Siwek
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Monika Głuch-Lutwin
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Barbara Mordyl
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Joanna Śniecikowska
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Maria Walczak
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Damijan Knez
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000, Ljubljana, Slovenia
| | - Marko Jukič
- University of Maribor, Faculty of Chemistry and Chemical Engineering, Laboratory of Physical Chemistry and Chemical Thermodynamics, Smetanova ulica 17, SI-2000 Maribor, Slovenia
| | - Kinga Sałat
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Stanislav Gobec
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000, Ljubljana, Slovenia
| | - Marcin Kołaczkowski
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Barbara Malawska
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Xavier Brazzolotto
- Département de Toxicologie et Risques Chimiques, Institut de Recherche Biomédicale des Armées, 91223, Brétigny sur Orge, France
| | - Anna Więckowska
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland.
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5
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Wichur T, Pasieka A, Godyń J, Panek D, Góral I, Latacz G, Honkisz-Orzechowska E, Bucki A, Siwek A, Głuch-Lutwin M, Knez D, Brazzolotto X, Gobec S, Kołaczkowski M, Sabate R, Malawska B, Więckowska A. Discovery of 1-(phenylsulfonyl)-1H-indole-based multifunctional ligands targeting cholinesterases and 5-HT 6 receptor with anti-aggregation properties against amyloid-beta and tau. Eur J Med Chem 2021; 225:113783. [PMID: 34461507 DOI: 10.1016/j.ejmech.2021.113783] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 12/31/2022]
Abstract
Multifunctional ligands as an essential variant of polypharmacology are promising candidates for the treatment of multi-factorial diseases like Alzheimer's disease. Based on clinical evidence and following the paradigm of multifunctional ligands we have rationally designed and synthesized a series of compounds targeting processes involved in the development of the disease. The biological evaluation led to the discovery of two compounds with favorable pharmacological characteristics and ADMET profile. Compounds 17 and 35 are 5-HT6R antagonists (Ki = 13 nM and Ki = 15 nM respectively) and cholinesterase inhibitors with distinct mechanisms of enzyme inhibition. Compound 17, a tacrine derivative is a reversible inhibitor of acetyl- and butyrylcholinesterase (IC50 = 8 nM and IC50 = 24 nM respectively), while compound 35 with rivastigmine-derived phenyl N-ethyl-N-methylcarbamate fragment is a selective, pseudo-irreversible inhibitor of butyrylcholinesterase (IC50 = 455 nM). Both compounds inhibit aggregation of amyloid β in vitro (75% for compound 17 and 68% for 35 at 10 μM) moreover, compound 35 is a potent tau aggregation inhibitor in cellulo (79%). In ADMET in vitro studies both compounds showed acceptable metabolic stability on mouse liver microsomes (28% and 60% for compound 17 and 35 respectively), no or little effect on CYP3A4 and 2D6 up to a concentration of 10 μM and lack of toxicity on HepG2 cell line (IC50 values of 80 and 21 μM, for 17 and 35 respectively). Based on the pharmacological characteristics and favorable pharmacokinetic properties, we propose compounds 17 and 35 as an excellent starting point for further optimization and in-depth biological studies.
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Affiliation(s)
- Tomasz Wichur
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Anna Pasieka
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Justyna Godyń
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Dawid Panek
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Izabella Góral
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Gniewomir Latacz
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | | | - Adam Bucki
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Agata Siwek
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Monika Głuch-Lutwin
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Damijan Knez
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Xavier Brazzolotto
- Département de Toxicologie et Risques Chimiques, Institut de Recherche Biomédicale des Armées, 91223 Brétigny sur Orge, France
| | - Stanislav Gobec
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Marcin Kołaczkowski
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Raimon Sabate
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Science, University of Barcelona, Barcelona, Spain; Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, Barcelona, Spain
| | - Barbara Malawska
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Anna Więckowska
- Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland.
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6
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Hogendorf A, Hogendorf AS, Kurczab R, Satała G, Szewczyk B, Cieślik P, Latacz G, Handzlik J, Lenda T, Kaczorowska K, Staroń J, Bugno R, Duszyńska B, Bojarski AJ. N-Skatyltryptamines-Dual 5-HT 6R/D 2R Ligands with Antipsychotic and Procognitive Potential. Molecules 2021; 26:4605. [PMID: 34361754 PMCID: PMC8347595 DOI: 10.3390/molecules26154605] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/12/2021] [Accepted: 07/26/2021] [Indexed: 11/17/2022] Open
Abstract
A series of N-skatyltryptamines was synthesized and their affinities for serotonin and dopamine receptors were determined. Compounds exhibited activity toward 5-HT1A, 5-HT2A, 5-HT6, and D2 receptors. Substitution patterns resulting in affinity/activity switches were identified and studied using homology modeling. Chosen hits were screened to determine their metabolism, permeability, hepatotoxicity, and CYP inhibition. Several D2 receptor antagonists with additional 5-HT6R antagonist and agonist properties were identified. The former combination resembled known antipsychotic agents, while the latter was particularly interesting due to the fact that it has not been studied before. Selective 5-HT6R antagonists have been shown previously to produce procognitive and promnesic effects in several rodent models. Administration of 5-HT6R agonists was more ambiguous-in naive animals, it did not alter memory or produce slight amnesic effects, while in rodent models of memory impairment, they ameliorated the condition just like antagonists. Using the identified hit compounds 15 and 18, we tried to sort out the difference between ligands exhibiting the D2R antagonist function combined with 5-HT6R agonism, and mixed D2/5-HT6R antagonists in murine models of psychosis.
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Affiliation(s)
- Agata Hogendorf
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (A.H.); (A.S.H.); (R.K.); (G.S.); (K.K.); (J.S.); (R.B.); (B.D.)
| | - Adam S. Hogendorf
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (A.H.); (A.S.H.); (R.K.); (G.S.); (K.K.); (J.S.); (R.B.); (B.D.)
| | - Rafał Kurczab
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (A.H.); (A.S.H.); (R.K.); (G.S.); (K.K.); (J.S.); (R.B.); (B.D.)
| | - Grzegorz Satała
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (A.H.); (A.S.H.); (R.K.); (G.S.); (K.K.); (J.S.); (R.B.); (B.D.)
| | - Bernadeta Szewczyk
- Department of Neurobiology, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (B.S.); (P.C.)
| | - Paulina Cieślik
- Department of Neurobiology, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (B.S.); (P.C.)
| | - Gniewomir Latacz
- Department of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland; (G.L.); (J.H.)
| | - Jadwiga Handzlik
- Department of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland; (G.L.); (J.H.)
| | - Tomasz Lenda
- Department of Neuropsychopharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland;
| | - Katarzyna Kaczorowska
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (A.H.); (A.S.H.); (R.K.); (G.S.); (K.K.); (J.S.); (R.B.); (B.D.)
| | - Jakub Staroń
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (A.H.); (A.S.H.); (R.K.); (G.S.); (K.K.); (J.S.); (R.B.); (B.D.)
| | - Ryszard Bugno
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (A.H.); (A.S.H.); (R.K.); (G.S.); (K.K.); (J.S.); (R.B.); (B.D.)
| | - Beata Duszyńska
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (A.H.); (A.S.H.); (R.K.); (G.S.); (K.K.); (J.S.); (R.B.); (B.D.)
| | - Andrzej J. Bojarski
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland; (A.H.); (A.S.H.); (R.K.); (G.S.); (K.K.); (J.S.); (R.B.); (B.D.)
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7
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Szałaj N, Godyń J, Jończyk J, Pasieka A, Panek D, Wichur T, Więckowski K, Zaręba P, Bajda M, Pislar A, Malawska B, Sabate R, Więckowska A. Multidirectional in vitro and in cellulo studies as a tool for identification of multi-target-directed ligands aiming at symptoms and causes of Alzheimer's disease. J Enzyme Inhib Med Chem 2021; 35:1944-1952. [PMID: 33092411 PMCID: PMC7594877 DOI: 10.1080/14756366.2020.1835882] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Effective therapy of Alzheimer's disease (AD) requires treatment with a combination of drugs that modulate various pathomechanisms contributing to the disease. In our research, we have focused on the development of multi-target-directed ligands - 5-HT6 receptor antagonists and cholinesterase inhibitors - with disease-modifying properties. We have performed extended in vitro (FRET assay) and in cellulo (Escherichia coli model of protein aggregation) studies on their β-secretase, tau, and amyloid β aggregation inhibitory activity. Within these multifunctional ligands, we have identified compound 17 with inhibitory potency against tau and amyloid β aggregation in in cellulo assay of 59% and 56% at 10 µM, respectively, hBACE IC50=4 µM, h5TH6 K i=94 nM, hAChE IC50=26 nM, and eqBuChE IC50=5 nM. This study led to the development of multifunctional ligands with a broad range of biological activities crucial not only for the symptomatic but also for the disease-modifying treatment of AD.
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Affiliation(s)
- Natalia Szałaj
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Justyna Godyń
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Jakub Jończyk
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Anna Pasieka
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Dawid Panek
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Tomasz Wichur
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Krzysztof Więckowski
- Department of Organic Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Paula Zaręba
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Marek Bajda
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Anja Pislar
- Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Barbara Malawska
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
| | - Raimon Sabate
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Science, University of Barcelona, Barcelona, Spain.,Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, Barcelona, Spain
| | - Anna Więckowska
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Kraków, Poland
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8
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Kumar B, Thakur A, Dwivedi AR, Kumar R, Kumar V. Multi-Target-Directed Ligands as an Effective Strategy for the Treatment of Alzheimer's Disease. Curr Med Chem 2021; 29:1757-1803. [PMID: 33982650 DOI: 10.2174/0929867328666210512005508] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 03/25/2021] [Accepted: 04/02/2021] [Indexed: 11/22/2022]
Abstract
Alzheimer's disease (AD) is a complex neurological disorder, and multiple pathological factors are believed to be involved in the genesis and progression of the disease. A number of hypotheses, including Acetylcholinesterase, Monoamine oxidase, β-Amyloid, Tau protein, etc., have been proposed for the initiation and progression of the disease. At present, acetylcholine esterase inhibitors and memantine (NMDAR antagonist) are the only approved therapies for the symptomatic management of AD. Most of these single-target drugs have miserably failed in the treatment or halting the progression of the disease. Multi-factorial diseases like AD require complex treatment strategies that involve simultaneous modulation of a network of interacting targets. Since the last few years, Multi-Target-Directed Ligands (MTDLs) strategy, drugs that can simultaneously hit multiple targets, is being explored as an effective therapeutic approach for the treatment of AD. In the current review article, the authors have briefly described various pathogenic pathways associated with AD. The importance of Multi-Target-Directed Ligands and their design strategies in recently reported articles have been discussed in detail. Potent leads are identified through various structure-activity relationship studies, and their drug-like characteristics are described. Recently developed promising compounds have been summarized in the article. Some of these MTDLs with balanced activity profiles against different targets have the potential to be developed as drug candidates for the treatment of AD.
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Affiliation(s)
- Bhupinder Kumar
- Central University of Punjab Department of Pharmaceutical Sciences and Natural Products, India
| | - Amandeep Thakur
- Central University of Punjab Department of Pharmaceutical Sciences and Natural Products, India
| | | | - Rakesh Kumar
- Central University of Punjab, Bathinda, Punjab-151001, India
| | - Vinod Kumar
- Department of Chemistry, Central University of Punjab, Bathinda, Punjab-151001, India
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9
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Development of Novel Potential Pleiotropic Compounds of Interest in Alzheimer's Disease Treatment through Rigidification Strategy. Molecules 2021; 26:molecules26092536. [PMID: 33926141 PMCID: PMC8123621 DOI: 10.3390/molecules26092536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/06/2021] [Accepted: 04/20/2021] [Indexed: 12/17/2022] Open
Abstract
The development of Multi-Target Directed Ligand is of clear interest for the treatment of multifactorial pathology such as Alzheimer’s disease (AD). In this context, acetylcholinesterase (AChE) inhibitors have been modulated in order to generate novel pleiotropic compounds targeting a second protein of therapeutic interest in AD. Among them, donecopride was the first example of a dual acetylcholinesterase inhibitor and 5-HT4 receptor agonist. In order to explore the structural diversity around this preclinical candidate we have explored the preparation of novel constrained analogs through late-stage rigidification strategy. A series of phenylpyrazoles was prepared in a late-stage functionalization process and all compounds were evaluated in vitro towards AChE and 5-HTRs. A docking study was performed in order to better explain the observed SAR towards AChE, 5-HT4R and 5-HT6R and this study led to the description of novel ligand targeting both AChE and 5-HT6R.
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10
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Bombardi C, Grandis A, Pivac N, Sagud M, Lucas G, Chagraoui A, Lemaire-Mayo V, De Deurwaerdère P, Di Giovanni G. Serotonin modulation of hippocampal functions: From anatomy to neurotherapeutics. PROGRESS IN BRAIN RESEARCH 2021; 261:83-158. [PMID: 33785139 DOI: 10.1016/bs.pbr.2021.01.031] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The hippocampal region receives a dense serotoninergic innervation originating from both medial and dorsal raphe nuclei. This innervation regulates hippocampal activity through the activation of distinct receptor families that are expressed in excitatory and inhibitory neurons, terminals of several afferent neurotransmitter systems, and glial cells. Preclinical and clinical studies indicate that hippocampal dysfunctions are involved in learning and memory deficits, dementia, Alzheimer's disease, epilepsy and mood disorders such as anxiety, depression and post-traumatic syndrome disorder, whereas the hippocampus participates also in the therapeutic mechanisms of numerous medicines. Not surprisingly, several drugs acting via 5-HT mechanisms are efficacious to some extent in some diseases and the link between 5-HT and the hippocampus although clear remains difficult to untangle. For this reason, we review reported data concerning the distribution and the functional roles of the 5-HT receptors in the hippocampal region in health and disease. The impact of the 5-HT systems on the hippocampal function is such that the research of new 5-HT mechanisms and drugs is still very active. It concerns notably drugs acting at the 5-HT1A,2A,2C,4,6 receptor subtypes, in addition to the already existing drugs including the selective serotonin reuptake inhibitors.
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Affiliation(s)
- Cristiano Bombardi
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy.
| | - Annamaria Grandis
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | - Nela Pivac
- Division of Molecular Medicine, Rudier Boskovic Institute, Zagreb, Croatia
| | - Marina Sagud
- Clinical Hospital Center Zagreb and School of Medicine University of Zagreb, Zagreb, Croatia
| | - Guillaume Lucas
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - Abdeslam Chagraoui
- Laboratory of Neuronal and Neuroendocrine Differentiation and Communication, Institute for Research and Innovation in Biomedicine of Normandy (IRIB), Normandie University, UNIROUEN, INSERM U1239, Rouen, France; Department of Medical Biochemistry, Rouen University Hospital, Rouen, France
| | - Valérie Lemaire-Mayo
- Centre National de la Recherche Scientifique, Institut des Neurosciences Intégratives et Cognitives d'Aquitaine, UMR 5287, Bordeaux, France
| | - Philippe De Deurwaerdère
- Centre National de la Recherche Scientifique, Institut des Neurosciences Intégratives et Cognitives d'Aquitaine, UMR 5287, Bordeaux, France
| | - Giuseppe Di Giovanni
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta; Neuroscience Division, School of Biosciences, Cardiff University, Cardiff, United Kingdom
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11
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Toublet FX, Lalut J, Hatat B, Lecoutey C, Davis A, Since M, Corvaisier S, Freret T, Sopková-de Oliveira Santos J, Claeysen S, Boulouard M, Dallemagne P, Rochais C. Pleiotropic prodrugs: Design of a dual butyrylcholinesterase inhibitor and 5-HT 6 receptor antagonist with therapeutic interest in Alzheimer's disease. Eur J Med Chem 2020; 210:113059. [PMID: 33310288 DOI: 10.1016/j.ejmech.2020.113059] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/23/2020] [Accepted: 11/24/2020] [Indexed: 12/16/2022]
Abstract
Beside acetylcholinesterase, butyrylcholinesterase could be considered as a putative target of interest for the symptomatic treatment of Alzheimer's disease (AD). As a result of complexity of AD, no molecule has been approved since 2002. Idalopirdine, a 5-HT6 receptors antagonist, did not show its effectiveness in clinical trial despite its evaluation as adjunct to cholinesterase inhibitors. Pleiotropic molecules, known as multitarget directed ligands (MTDLs) are currently developed to tackle the multifactorial origin of AD. In this context, we have developed a pleiotropic carbamate 7, that behaves as a covalent inhibitor of BuChE (IC50 = 0.97 μM). The latter will deliver after hydrolysis, compound 6, a potent 5-HT6 receptors antagonist (Ki = 11.4 nM) related to idalopirdine. In silico and in vitro evaluation proving our concept were performed completed with first in vivo results that demonstrate great promise in restoring working memory.
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Affiliation(s)
| | - Julien Lalut
- Normandie Univ, Unicaen, CERMN, 14000 Caen, France
| | - Bérénice Hatat
- Normandie Univ, Unicaen, CERMN, 14000 Caen, France; IGF, Univ. Montpellier, CNRS, INSERM Montpellier, France
| | | | - Audrey Davis
- Normandie Univ, Unicaen, CERMN, 14000 Caen, France
| | - Marc Since
- Normandie Univ, Unicaen, CERMN, 14000 Caen, France
| | | | - Thomas Freret
- Normandie Univ, Unicaen, INSERM, Comete, GIP CYCERON, 14000 Caen, France
| | | | | | - Michel Boulouard
- Normandie Univ, Unicaen, INSERM, Comete, GIP CYCERON, 14000 Caen, France
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12
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Zou X, Wang Y, Wang Y, Yang J, Guo H, Cai Z. Paeoniflorin Alleviates Abnormalities in Rats with Functional Dyspepsia by Stimulating the Release of Acetylcholine. Drug Des Devel Ther 2020; 14:5623-5632. [PMID: 33376306 PMCID: PMC7764555 DOI: 10.2147/dddt.s260703] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 11/11/2020] [Indexed: 12/12/2022] Open
Affiliation(s)
- Xuan Zou
- Central Laboratory, The First Affiliated Hospital of Dalian Medical University, Dalian116001, People’s Republic of China
- Institute (College) Integrative Medicine, Dalian Medical University, Dalian116044, People’s Republic of China
| | - Yang Wang
- Central Laboratory, The First Affiliated Hospital of Dalian Medical University, Dalian116001, People’s Republic of China
- Institute (College) Integrative Medicine, Dalian Medical University, Dalian116044, People’s Republic of China
| | - Yuheng Wang
- Department of Neurology, The First Affiliated Hospital of Dalian Medical University, Dalian116001, People’s Republic of China
| | - Junting Yang
- Department of Neurology, The First Affiliated Hospital of Dalian Medical University, Dalian116001, People’s Republic of China
| | - Huishu Guo
- Central Laboratory, The First Affiliated Hospital of Dalian Medical University, Dalian116001, People’s Republic of China
- Institute (College) Integrative Medicine, Dalian Medical University, Dalian116044, People’s Republic of China
- Huishu Guo Central Laboratory, The First Affiliated Hospital of Dalian Medical University, 222 Zhongshan Road, Dalian116001, People’s Republic of ChinaTel +86-411-83635963 ext 7255 Email
| | - Zhengxu Cai
- Department of Neurology, The First Affiliated Hospital of Dalian Medical University, Dalian116001, People’s Republic of China
- Correspondence: Zhengxu Cai Department of Neurology, The First Affiliated Hospital of Dalian Medical University, 222 Zhongshan Road, Dalian116001, People’s Republic of China Email
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13
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Zhang Y, Yang J, Yang X, Wu Y, Liu J, Wang Y, Huo F, Yan C. The 5-HT 6 Receptors in the Ventrolateral Orbital Cortex Attenuate Allodynia in a Rodent Model of Neuropathic Pain. Front Neurosci 2020; 14:884. [PMID: 32973437 PMCID: PMC7461796 DOI: 10.3389/fnins.2020.00884] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 07/29/2020] [Indexed: 12/16/2022] Open
Abstract
Mechanical allodynia, characterized by a painful sensation induced by innocuous stimuli, is thought to be caused by disruption in pain-related regions. Identification and reversal of this pathologic neuroadaptation are therefore beneficial for clinical treatment. Previous evidence suggests that 5-HT6 receptors in the ventrolateral orbital cortex (VLO) are involved in neuropathic pain, but their function is poorly understood. The aim of the present study is to unveil the role of 5-HT6 receptors in the VLO and the underlying mechanisms in pain modulation. Here, by using the spared nerve injury (SNI) pain model, first, we report that 5-HT6 receptor protein decreased in the contralateral VLO compared with the ipsilateral VLO in rats with allodynia. Second, microinjection of the selective 5-HT6 receptor agonists EMD-386088 and WAY-208466 into the contralateral VLO consistently and significantly depressed allodynia. Third, microinjection of the selective antagonist SB-258585 blocked the agonist-induced anti-allodynic effect, while the antagonist applied alone to the VLO had no effect. Furthermore, the anti-nociceptive effect of EMD-386088 on neuropathic pain was prevented by the adenylate cyclase (AC) inhibitor SQ-22536, and protein kinase A (PKA) inhibitor H89, suggesting that AC/PKA signaling might underlie the antinociception of agonists. Finally, the 5-HT6 receptors were found to be colocalized with a glutamate transporter (EAAC1) by immunofluorescent staining, and the glutamate receptor antagonist kynurenic acid was found to completely block antinociception. These findings indicated that the antinociceptive effect of 5-HT6 receptor agonists might occur via interaction with the glutamatergic system. Altogether, the agonists activated 5-HT6 receptors present in the glutamatergic neurons in the VLO to facilitate the AC/PKA cascade, which subsequently might evoke glutamate release, thus depressing allodynia. These findings suggest a potential therapeutic role of 5-HT6 receptor agonists in treating neuropathic pain.
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Affiliation(s)
- Yuxiang Zhang
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, China.,The Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, China
| | - Jingsi Yang
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, China.,The Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, China
| | - Xixi Yang
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, China.,The Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, China
| | - Yanan Wu
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, China.,The Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, China
| | - Junlin Liu
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, China.,The Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, China
| | - Yangdong Wang
- The Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, China.,Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Fuquan Huo
- The Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, China.,Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Chunxia Yan
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, China.,The Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, China
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14
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Multitarget Therapeutic Strategies for Alzheimer's Disease: Review on Emerging Target Combinations. BIOMED RESEARCH INTERNATIONAL 2020; 2020:5120230. [PMID: 32714977 PMCID: PMC7354643 DOI: 10.1155/2020/5120230] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 02/12/2020] [Accepted: 06/02/2020] [Indexed: 12/12/2022]
Abstract
Neurodegenerative diseases represent nowadays one of the major health problems. Despite the efforts made to unveil the mechanism leading to neurodegeneration, it is still not entirely clear what triggers this phenomenon and what allows its progression. Nevertheless, it is accepted that neurodegeneration is a consequence of several detrimental processes, such as protein aggregation, oxidative stress, and neuroinflammation, finally resulting in the loss of neuronal functions. Starting from these evidences, there has been a wide search for novel agents able to address more than a single event at the same time, the so-called multitarget-directed ligands (MTDLs). These compounds originated from the combination of different pharmacophoric elements which endowed them with the ability to interfere with different enzymatic and/or receptor systems, or to exert neuroprotective effects by modulating proteins and metal homeostasis. MTDLs have been the focus of the latest strategies to discover a new treatment for Alzheimer's disease (AD), which is considered the most common form of dementia characterized by neurodegeneration and cognitive dysfunctions. This review is aimed at collecting the latest and most interesting target combinations for the treatment of AD, with a detailed discussion on new agents with favorable in vitro properties and on optimized structures that have already been assessed in vivo in animal models of dementia.
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15
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Lanthier C, Dallemagne P, Lecoutey C, Claeysen S, Rochais C. Therapeutic modulators of the serotonin 5-HT4 receptor: a patent review (2014-present). Expert Opin Ther Pat 2020; 30:495-508. [DOI: 10.1080/13543776.2020.1767587] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Caroline Lanthier
- Normandie Univ, UNICAEN, CERMN (Centre d’Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
| | - Patrick Dallemagne
- Normandie Univ, UNICAEN, CERMN (Centre d’Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
| | - Cédric Lecoutey
- Normandie Univ, UNICAEN, CERMN (Centre d’Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
| | | | - Christophe Rochais
- Normandie Univ, UNICAEN, CERMN (Centre d’Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
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16
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Millan MJ, Dekeyne A, Gobert A, Brocco M, Mannoury la Cour C, Ortuno JC, Watson D, Fone KCF. Dual-acting agents for improving cognition and real-world function in Alzheimer's disease: Focus on 5-HT6 and D3 receptors as hubs. Neuropharmacology 2020; 177:108099. [PMID: 32525060 DOI: 10.1016/j.neuropharm.2020.108099] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/02/2020] [Accepted: 04/03/2020] [Indexed: 01/01/2023]
Abstract
To date, there are no interventions that impede the inexorable progression of Alzheimer's disease (AD), and currently-available drugs cholinesterase (AChE) inhibitors and the N-Methyl-d-Aspartate receptor antagonist, memantine, offer only modest symptomatic benefit. Moreover, a range of mechanistically-diverse agents (glutamatergic, histaminergic, monoaminergic, cholinergic) have disappointed in clinical trials, alone and/or in association with AChE inhibitors. This includes serotonin (5-HT) receptor-6 antagonists, despite compelling preclinical observations in rodents and primates suggesting a positive influence on cognition. The emphasis has so far been on high selectivity. However, for a multi-factorial disorder like idiopathic AD, 5-HT6 antagonists possessing additional pharmacological actions might be more effective, by analogy to "multi-target" antipsychotics. Based on this notion, drug discovery programmes have coupled 5-HT6 blockade to 5-HT4 agonism and inhibition of AchE. Further, combined 5-HT6/dopamine D3 receptor (D3) antagonists are of especial interest since D3 blockade mirrors 5-HT6 antagonism in exerting broad-based pro-cognitive properties in animals. Moreover, 5-HT6 and dopamine D3 antagonists promote neurocognition and social cognition via both distinctive and convergent actions expressed mainly in frontal cortex, including suppression of mTOR over-activation and reinforcement of cholinergic and glutamatergic transmission. In addition, 5-HT6 blockade affords potential anti-anxiety, anti-depressive and anti-epileptic properties, and antagonising 5-HT6 receptors may be associated with neuroprotective ("disease-modifying") properties. Finally D3 antagonism may counter psychotic episodes and D3 receptors themselves offer a promising hub for multi-target agents. The present article reviews the status of "R and D" into multi-target 5-HT6 and D3 ligands for improved treatment of AD and other neurodegenerative disorders of aging. This article is part of the special issue entitled 'Serotonin Research: Crossing Scales and Boundaries'.
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Affiliation(s)
- Mark J Millan
- Centre for Therapeutic Innovation in Neuropsychiatry, Institut de Recherche Servier, 78290, Croissy sur Seine, France.
| | - Anne Dekeyne
- Centre for Therapeutic Innovation in Neuropsychiatry, Institut de Recherche Servier, 78290, Croissy sur Seine, France
| | - Alain Gobert
- Centre for Therapeutic Innovation in Neuropsychiatry, Institut de Recherche Servier, 78290, Croissy sur Seine, France
| | - Mauricette Brocco
- Centre for Therapeutic Innovation in Neuropsychiatry, Institut de Recherche Servier, 78290, Croissy sur Seine, France
| | - Clotilde Mannoury la Cour
- Centre for Therapeutic Innovation in Neuropsychiatry, Institut de Recherche Servier, 78290, Croissy sur Seine, France
| | - Jean-Claude Ortuno
- Centre for Excellence in Chemistry, Institut de Recherche Servier, 78290, Croissy sur Seine, France
| | - David Watson
- School of Life Sciences, Queen's Medical Centre, The University of Nottingham, NG7 2UH, England, UK
| | - Kevin C F Fone
- School of Life Sciences, Queen's Medical Centre, The University of Nottingham, NG7 2UH, England, UK
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17
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Catania M, Giaccone G, Salmona M, Tagliavini F, Di Fede G. Dreaming of a New World Where Alzheimer's Is a Treatable Disorder. Front Aging Neurosci 2019; 11:317. [PMID: 31803047 PMCID: PMC6873113 DOI: 10.3389/fnagi.2019.00317] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 11/01/2019] [Indexed: 12/17/2022] Open
Abstract
Alzheimer’s disease (AD) is the most common form of dementia. It’s a chronic and untreatable neurodegenerative disease with irreversible progression and has important social and economic implications in terms of direct medical and social care costs. Despite prolonged and expensive efforts employed by the scientific community over the last few decades, no effective treatments are still available for patients, and the development of disease-modifying drugs is now a really urgent need. The recent failure of clinical trials based on the immunotherapeutic approach against amyloid-β(Aβ) protein questioned the validity of the “amyloid cascade hypothesis” as the molecular machinery causing the disease. Indeed, most attempts to design effective treatments for AD have been based until now on molecular targets suggested to be implicated in AD pathogenesis by the amyloid cascade hypothesis. However, mounting evidence from scientific literature supports the view of AD as a multifactorial disease that results from the concomitant action of multiple molecular players. This view, together with the lack of success of the disease-modifying single-target approaches, strongly suggests that AD drug design needs to be shifted towards multi-targeted compounds or drug combinations acting synergistically on the main core features of disease pathogenesis. The discovery of drug candidates targeting multiple factors involved in AD would greatly improve drug development. So, it is reasonable that upcoming strategies for the design of preventive and/or therapeutic agents for AD point to a multi-pronged approach including more than one druggable target to definitely defeat the disease.
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Affiliation(s)
- Marcella Catania
- Neurology V-Neuropathology Unit and Scientific Directorate, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Giorgio Giaccone
- Neurology V-Neuropathology Unit and Scientific Directorate, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Mario Salmona
- Department of Molecular Biochemistry and Pharmacology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Fabrizio Tagliavini
- Neurology V-Neuropathology Unit and Scientific Directorate, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Giuseppe Di Fede
- Neurology V-Neuropathology Unit and Scientific Directorate, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
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18
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The 5-HT 6 receptor interactome: New insight in receptor signaling and its impact on brain physiology and pathologies. Neuropharmacology 2019; 172:107839. [PMID: 31682856 DOI: 10.1016/j.neuropharm.2019.107839] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 10/29/2019] [Accepted: 10/31/2019] [Indexed: 01/02/2023]
Abstract
The serotonin (5-HT)6 receptor is a Gs-coupled receptor exclusively expressed in the central nervous system. Highest receptor densities are found in brain regions implicated in mnemonic functions where the receptor is primarily but not exclusively located in the primary cilium of neurons. The 5-HT6 receptor continues to raise particular interest for neuropharmacologists, given the pro-cognitive effects of antagonists in a wide range of cognitive impairment paradigms in rodents and human. The 5-HT6 receptor also finely controls key neuro-developmental processes including neuron migration and differentiation. However, its influence upon neurodevelopment and cognition is not solely mediated by its coupling to the Gs-adenylyl cyclase pathway, suggesting alternative signal transduction mechanisms. This prompted studies aimed at characterizing the receptor interactome that identified 125 candidate receptor partners, making the 5-HT6 receptor one of the G protein-coupled receptors with the most extensively characterized interactome. These studies showed that the receptor localization at the plasma membrane and, consequently, its signal transduction, are finely modulated by several receptor partners. They demonstrated that prefrontal 5-HT6 receptors engage the mTOR pathway to compromise cognition in neurodevelopmental models of schizophrenia, and a role of the 5-HT6-mTOR pathway in temporal epilepsy. Finally, they revealed that the receptor activates Cdk5 signaling in an agonist-independent manner through a mechanism involving receptor phosphorylation by the associated Cdk5 and highlighted its key role in the migration of neurons and neurite growth. These new receptor-operated signaling mechanisms should be considered in the future development of drugs acting on 5-HT6 receptors. This article is part of the special issue entitled 'Serotonin Research: Crossing Scales and Boundaries'.
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