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Graillon T, Tabouret E, Salgues B, Horowitz T, Padovani L, Appay R, Farah K, Dufour H, Régis J, Guedj E, Barlier A, Chinot O. Innovative treatments for meningiomas. Rev Neurol (Paris) 2023; 179:449-463. [PMID: 36959063 DOI: 10.1016/j.neurol.2023.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/25/2023]
Abstract
Multi-recurrent high-grade meningiomas remain an unmet medical need in neuro-oncology when iterative surgeries and radiation therapy sessions fail to control tumor growth. Nevertheless, the last 10years have been marked by multiple advances in the comprehension of meningioma tumorigenesis via the discovery of new driver mutations, the identification of activated intracellular signaling pathways, and DNA methylation analyses, providing multiple potential therapeutic targets. Today, Anti-VEGF and mTOR inhibitors are the most used and probably the most active drugs in aggressive meningiomas. Peptide radioactive radiation therapy aims to target SSTR2A receptors, which are strongly expressed in meningiomas, but have an insufficient effect in most aggressive meningiomas, requiring the development of new techniques to increase the dose applied to the tumor. Based on the multiple potential intracellular targets, multiple targeted therapy clinical trials targeting Pi3K-Akt-mTOR and MAP kinase pathways as well as cell cycle and particularly, cyclin D4-6 are ongoing. Recently discovered driver mutations, SMO, Akt, and PI3KCA, offer new targets but are mostly observed in benign meningiomas, limiting their clinical relevance mainly to rare aggressive skull base meningiomas. Therefore, NF2 mutation remains the most frequent mutation and main challenging target in high-grade meningioma. Recently, inhibitors of focal adhesion kinase (FAK), which is involved in tumor cell adhesion, were tested in a phase 2 clinical trial with interesting but insufficient activity. The Hippo pathway was demonstrated to interact with NF2/Merlin and could be a promising target in NF2-mutated meningiomas with ongoing multiple preclinical studies and a phase 1 clinical trial. Recent advances in immune landscape comprehension led to the proposal of the use of immunotherapy in meningiomas. Except in rare cases of MSH2/6 mutation or high tumor mass burden, the activity of PD-1 inhibitors remains limited; however, its combination with various radiation therapy modalities is particularly promising. On the whole, therapeutic management of high-grade meningiomas is still challenging even with multiple promising therapeutic targets and innovations.
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Affiliation(s)
- T Graillon
- Aix-Marseille University, AP-HM, Inserm, MMG, Neurosurgery department, La Timone Hospital, Marseille, France.
| | - E Tabouret
- Aix-Marseille University, AP-HM, CNRS, INP, Inst Neurophysiopathol, CHU Timone, Service de Neurooncologie, Marseille, France
| | - B Salgues
- Nuclear Medicine Department, Groupe Hospitalier Pitié-Salpêtrière-Charles-Foix, Assistance publique-Hôpitaux de Paris, Sorbonne Université, Paris, France
| | - T Horowitz
- AP-HM, CNRS, centrale Marseille, Institut Fresnel, Timone Hospital, CERIMED, Nuclear Medicine Department, Aix-Marseille University, Marseille, France
| | - L Padovani
- AP-HM, Timone Hospital, Radiotherapy Department, Marseille, France
| | - R Appay
- AP-HM, CHU Timone, Service d'Anatomie Pathologique et de Neuropathologie, Marseille, France; Aix-Marseille University, CNRS, INP, Inst Neurophysiopathol, Marseille, France
| | - K Farah
- Aix-Marseille University, Institut de Neurosciences des Systèmes, UMR Inserm 1106, Functional Neurosurgery and Radiosurgery, Timone University Hospital, Marseille, France
| | - H Dufour
- Aix-Marseille University, AP-HM, Inserm, MMG, Neurosurgery department, La Timone Hospital, Marseille, France
| | - J Régis
- Aix-Marseille University, Institut de Neurosciences des Systèmes, UMR Inserm 1106, Functional Neurosurgery and Radiosurgery, Timone University Hospital, Marseille, France
| | - E Guedj
- AP-HM, CNRS, centrale Marseille, Institut Fresnel, Timone Hospital, CERIMED, Nuclear Medicine Department, Aix-Marseille University, Marseille, France
| | - A Barlier
- Aix-Marseille University, AP-HM, Inserm, MMG, Laboratory of Molecular Biology Hospital La Conception, Marseille, France
| | - O Chinot
- Aix-Marseille University, AP-HM, CNRS, INP, Inst Neurophysiopathol, CHU Timone, Service de Neurooncologie, Marseille, France
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Horowitz T, Tabouret E, Graillon T, Salgues B, Chinot O, Verger A, Guedj E. Contribution of nuclear medicine to the diagnosis and management of primary brain tumours. Rev Neurol (Paris) 2023; 179:394-404. [PMID: 36934021 DOI: 10.1016/j.neurol.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 02/27/2023] [Accepted: 03/01/2023] [Indexed: 03/18/2023]
Abstract
Positron emission tomography (PET) is a powerful tool that can help physicians manage primary brain tumours at diagnosis and follow-up. In this context, PET imaging is used with three main types of radiotracers: 18F-FDG, amino acid radiotracers, and 68Ga conjugated to somatostatin receptor ligands (SSTRs). At initial diagnosis, 18F-FDG helps to characterize primary central nervous system (PCNS) lymphomas and high-grade gliomas, amino acid radiotracers are indicated for gliomas, and SSTR PET ligands are indicated for meningiomas. Such radiotracers provide information on tumour grade or type, assist in directing biopsies and help with treatment planning. During follow-up, in the presence of symptoms and/or MRI modifications, the differential diagnosis between tumour recurrence and post-therapeutic changes, in particular radiation necrosis, may be challenging, and there is strong interest in using PET to evaluate therapeutic toxicity. PET may also contribute to identifying specific complications, such as postradiation therapy encephalopathy, encephalitis associated with PCNS lymphoma, and stroke-like migraine after radiation therapy (SMART) syndrome associated with glioma recurrence and temporal epilepsy, originally illustrated in this review. This review summarizes the main contribution of PET to the diagnosis, management, and follow-up of brain tumours, specifically gliomas, meningiomas, and primary central nervous system lymphomas.
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Affiliation(s)
- T Horowitz
- CNRS, CERIMED, nuclear medicine department, Centrale Marseille, Institut Fresnel, Timone hospital, Aix-Marseille university, AP-HM, Marseille, France
| | - E Tabouret
- Neuro-oncology department, Timone hospital, AP-HM, Marseille, France; Team 8 GlioME, CNRS 7051, Inst. neurophysiopathol, Aix-Marseille university, Marseille, France
| | - T Graillon
- Inserm, MMG, neurosurgery department, Timone hospital, Aix-Marseille university, AP-HM, Marseille, France
| | - B Salgues
- CNRS, CERIMED, nuclear medicine department, Centrale Marseille, Institut Fresnel, Timone hospital, Aix-Marseille university, AP-HM, Marseille, France
| | - O Chinot
- Neuro-oncology department, Timone hospital, AP-HM, Marseille, France
| | - A Verger
- IADI, Inserm, UMR 1254, department of nuclear medicine & nancyclotep imaging platform, université de Lorraine, CHRU-Nancy, Nancy, France
| | - E Guedj
- CNRS, CERIMED, nuclear medicine department, Centrale Marseille, Institut Fresnel, Timone hospital, Aix-Marseille university, AP-HM, Marseille, France.
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Salgues B, Sarkar R, Fajri ML, Avalos-Quiroz YA, Manick AD, Giorgi M, Vanthuyne N, Carissan Y, Videlot-Ackermann C, Ackermann J, Canard G, Parrain JL, Le Guennic B, Jacquemin D, Amatore M, Commeiras L, Zaborova E, Fages F. Synthesis and Electron Accepting Properties of Two Di(benz[ f]indenone)-Fused Tetraazaanthracene Isomers. J Org Chem 2022; 87:3276-3285. [PMID: 35176857 DOI: 10.1021/acs.joc.1c02942] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We designed and synthesized a novel di(benz[f]indenone)-fused tetraazaanthracene derivative and isolated its two isomers, 1a and 1s, having anti and syn configurations, respectively. Their structure and that of the condensation reaction intermediates, anti-2a and syn-2s, were fully characterized using one- and two-dimensional nuclear magnetic resonance spectroscopy and single-crystal X-ray diffraction. The optical and electronic properties of 1a and 1s were investigated using ultraviolet-visible absorption and fluorescence spectroscopies, cyclic voltammetry, and time-dependent density functional theory calculations. The presence of the carbonyl and ethynyltris(isopropyl)silane groups endows the di(benzoindenone)-fused azaacene derivatives with a strong electron accepting character. With an electron affinity of approximately -3.7 eV, the two isomers represent attractive electron-deficient molecular systems for the generation of n-channel semiconducting materials. Organic field effect transistors of 1a and 1s showed electron transport, and organic solar cells gave a proof of concept of the potential of the two compounds as electron acceptor materials when they are paired with an electron donor polymer.
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Affiliation(s)
- Bruno Salgues
- Aix Marseille Univ, CNRS, CINaM UMR 7325, AMUtech, 13288 Marseille, France
| | | | | | | | - Anne-Doriane Manick
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, UMR 7313, AMUtech, 13288 Marseille, France
| | - Michel Giorgi
- Aix Marseille Univ, CNRS, Centrale Marseille, FSCM, Spectropole, 13397 Marseille, France
| | - Nicolas Vanthuyne
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, UMR 7313, AMUtech, 13288 Marseille, France
| | - Yannick Carissan
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, UMR 7313, AMUtech, 13288 Marseille, France
| | | | - Jörg Ackermann
- Aix Marseille Univ, CNRS, CINaM UMR 7325, AMUtech, 13288 Marseille, France
| | - Gabriel Canard
- Aix Marseille Univ, CNRS, CINaM UMR 7325, AMUtech, 13288 Marseille, France
| | - Jean-Luc Parrain
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, UMR 7313, AMUtech, 13288 Marseille, France
| | | | - Denis Jacquemin
- Université de Nantes, CNRS, CEISAM UMR 6230, 44000 Nantes, France
| | - Muriel Amatore
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, UMR 7313, AMUtech, 13288 Marseille, France
| | - Laurent Commeiras
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, UMR 7313, AMUtech, 13288 Marseille, France
| | - Elena Zaborova
- Aix Marseille Univ, CNRS, CINaM UMR 7325, AMUtech, 13288 Marseille, France
| | - Frédéric Fages
- Aix Marseille Univ, CNRS, CINaM UMR 7325, AMUtech, 13288 Marseille, France
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Mairot K, Sahakian N, Salgues B, Levy N, Gascon P, Denis D. Somatostatin receptor PET/CT scan as a helpful diagnostic tool for optic nerve sheath meningioma. J Fr Ophtalmol 2021; 44:e619-e621. [PMID: 34229893 DOI: 10.1016/j.jfo.2021.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 01/04/2021] [Accepted: 01/04/2021] [Indexed: 11/24/2022]
Affiliation(s)
- K Mairot
- Service d'ophtalmologie, centre hospitalier universitaire de l'hôpital Nord, Chemin des Bourrely, 13015 Marseille, France.
| | - N Sahakian
- Médecine nucléaire, centre hospitalier universitaire de l'hôpital Nord, Chemin des Bourrely, 13015 Marseille, France
| | - B Salgues
- Médecine nucléaire, groupe hospitalier Pitié-Salpêtrière-Charles Foix, Sorbonne université, Paris, France
| | - N Levy
- Service d'ophtalmologie, centre hospitalier universitaire de l'hôpital Nord, Chemin des Bourrely, 13015 Marseille, France
| | - P Gascon
- Service d'ophtalmologie, centre hospitalier universitaire de l'hôpital Nord, Chemin des Bourrely, 13015 Marseille, France
| | - D Denis
- Service d'ophtalmologie, centre hospitalier universitaire de l'hôpital Nord, Chemin des Bourrely, 13015 Marseille, France
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Barthelemy AL, Certal V, Dagousset G, Anselmi E, Bertin L, Fabien L, Salgues B, Courtes P, Poma C, El-Ahmad Y, Magnier E. Optimization and Gram-Scale Preparation of S-Trifluoromethyl Sulfoximines and Sulfilimino Iminiums, Powerful Reagents for the Late Stage Introduction of the CF 3 Group. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.9b00403] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Anne-Laure Barthelemy
- Institut Lavoisier de Versailles (ILV), UMR CNRS 8180, Université de Versailles, St Quentin en Yvelines, 45 av. des Etats-Unis, 78035 Versailles Cedex, France
| | - Victor Certal
- SANOFI, Centre de Recherche de Vitry/Alfortville, 13, quai Jules Guesde − BP 14 − 94403 Vitry-sur-Seine Cedex, France
| | - Guillaume Dagousset
- Institut Lavoisier de Versailles (ILV), UMR CNRS 8180, Université de Versailles, St Quentin en Yvelines, 45 av. des Etats-Unis, 78035 Versailles Cedex, France
| | - Elsa Anselmi
- Institut Lavoisier de Versailles (ILV), UMR CNRS 8180, Université de Versailles, St Quentin en Yvelines, 45 av. des Etats-Unis, 78035 Versailles Cedex, France
| | - Luc Bertin
- SANOFI, Centre de Recherche de Vitry/Alfortville, 13, quai Jules Guesde − BP 14 − 94403 Vitry-sur-Seine Cedex, France
| | - Laurence Fabien
- SANOFI, Centre de Recherche de Vitry/Alfortville, 13, quai Jules Guesde − BP 14 − 94403 Vitry-sur-Seine Cedex, France
| | - Bruno Salgues
- SANOFI, Centre de Recherche de Vitry/Alfortville, 13, quai Jules Guesde − BP 14 − 94403 Vitry-sur-Seine Cedex, France
| | - Philippe Courtes
- SANOFI, Centre de Recherche de Vitry/Alfortville, 13, quai Jules Guesde − BP 14 − 94403 Vitry-sur-Seine Cedex, France
| | - Christian Poma
- SANOFI, Centre de Recherche de Vitry/Alfortville, 13, quai Jules Guesde − BP 14 − 94403 Vitry-sur-Seine Cedex, France
| | - Youssef El-Ahmad
- SANOFI, Centre de Recherche de Vitry/Alfortville, 13, quai Jules Guesde − BP 14 − 94403 Vitry-sur-Seine Cedex, France
| | - Emmanuel Magnier
- Institut Lavoisier de Versailles (ILV), UMR CNRS 8180, Université de Versailles, St Quentin en Yvelines, 45 av. des Etats-Unis, 78035 Versailles Cedex, France
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Manick AD, Salgues B, Parrain JL, Zaborova E, Fages F, Amatore M, Commeiras L. Access to Fluorenones Using Benzocyclopentynone Surrogate as Partner for the [2 + 2 + 2] Cycloaddition Reaction. Org Lett 2020; 22:1894-1898. [PMID: 32073278 DOI: 10.1021/acs.orglett.0c00235] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A convenient and versatile procedure for the straightforward synthesis of substituted fluorenones as valuable scaffolds is described under rhodium catalysis. The present [2 + 2 + 2] cycloaddition reaction of diynes with 3-acetoxy or-3-alkoxyindenones as surrogates of the highly reactive benzocyclopentynone 2π partner allows the preparation of various fluorenone-type derivatives in good yields and provides an additional and tunable process for the generation of more challenging molecules with application in pharmaceutical, polymer, and material sciences.
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Affiliation(s)
| | - Bruno Salgues
- Aix Marseille Univ, CNRS, CINaM, UMR 7325, Marseille 13284, France
| | - Jean-Luc Parrain
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Elena Zaborova
- Aix Marseille Univ, CNRS, CINaM, UMR 7325, Marseille 13284, France
| | - Frédéric Fages
- Aix Marseille Univ, CNRS, CINaM, UMR 7325, Marseille 13284, France
| | - Muriel Amatore
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Laurent Commeiras
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
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Balkenhohl M, Salgues B, Hirai T, Karaghiosoff K, Knochel P. Regioselective Metalation and Functionalization of the Pyrazolo[1,5- a]pyridine Scaffold Using Mg- and Zn-TMP Bases. Org Lett 2018; 20:3114-3118. [PMID: 29738248 DOI: 10.1021/acs.orglett.8b01204] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A regioselective functionalization of the pyrazolo[1,5- a]pyridine scaffold using Mg- and Zn-TMP bases (TMP = 2,2,6,6-tetramethylpiperidyl) in the presence or absence of BF3·OEt2 is described. Also, various functionalized pyrazolo[1,5- a]pyridines bearing an ester function (and an NHBoc or ethyl group) are magnesiated and functionalized, leading to polysubstituted heterocycles. Additionally, a sulfoxide directed ortho-metalation, followed by the transition-metal-free amination of a pyrazolo[1,5- a]pyridine sulfoxide, using a magnesium amide, is reported.
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Affiliation(s)
- Moritz Balkenhohl
- Department of Chemistry , Ludwig-Maximilians-Universität München , Butenandtstr. 5-13, Haus F , 81377 Munich , Germany
| | - Bruno Salgues
- Department of Chemistry , Ludwig-Maximilians-Universität München , Butenandtstr. 5-13, Haus F , 81377 Munich , Germany
| | - Takahiro Hirai
- Department of Chemistry , Ludwig-Maximilians-Universität München , Butenandtstr. 5-13, Haus F , 81377 Munich , Germany
| | - Konstantin Karaghiosoff
- Department of Chemistry , Ludwig-Maximilians-Universität München , Butenandtstr. 5-13, Haus F , 81377 Munich , Germany
| | - Paul Knochel
- Department of Chemistry , Ludwig-Maximilians-Universität München , Butenandtstr. 5-13, Haus F , 81377 Munich , Germany
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Salgues B. Fixed Man, Enhanced Man, Transformed Man. Health Industrialization 2016. [PMCID: PMC7151777 DOI: 10.1016/b978-1-78548-147-5.50001-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
In the past, for a patient, any hospitalization would end in one of three ways: recovery, death or disability, also regarded as “little death”. Such was the terrible destiny of a patient. Gradually, chronic diseases have slid into the first two options, thanks to the advent of medical diagnosis. The diagnosis surpassed the symptoms. An example is the definition of diabetes obtained through medical diagnosis: according to international norms, a person suffers from diabetes if his glycaemia is 700 mmol/L (126 mg/dL) or more after 8 hours of fasting.
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