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Eliseev MS, Zheliabina OV, Nasonov EL. [Uric acid, cognitive disorders, neurodegeneration]. TERAPEVT ARKH 2024; 96:447-452. [PMID: 38829804 DOI: 10.26442/00403660.2024.05.202698] [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: 05/22/2024] [Accepted: 05/29/2024] [Indexed: 06/05/2024]
Abstract
This article examines the role of uric acid (UA) in cognitive changes and neurodegeneration, focusing on its functions as an antioxidant and prooxidant. Research suggests that changes in serum UA levels may be associated with the development or delay of cognitive impairment, especially in the context of neurodegenerative diseases such as Alzheimer's disease. It was revealed that there is a relationship between the level of UA and the dynamics of cognitive functions, indicating the potential neuroprotective properties of UA. Particular attention is paid to the balance between the antioxidant and prooxidant properties of UA, which may play a key role in protecting neurons from damage. However, research results are not clear-cut, highlighting the need for further research to more fully understand the role of UA in cognitive processes. Determining the optimal serum UA level may be an important step in developing strategies for the prevention and treatment of cognitive impairment associated with neurodegeneration. Overall, these studies advance the understanding of the mechanisms underlying the interaction between uric acid metabolism and brain health.
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Affiliation(s)
| | | | - E L Nasonov
- Nasonova Research Institute of Rheumatology
- Sechenov First Moscow State Medical University (Sechenov University)
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2
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Wang Q, Sun J, Chen T, Song S, Hou Y, Feng L, Fan C, Li M. Ferroptosis, Pyroptosis, and Cuproptosis in Alzheimer's Disease. ACS Chem Neurosci 2023; 14:3564-3587. [PMID: 37703318 DOI: 10.1021/acschemneuro.3c00343] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023] Open
Abstract
Alzheimer's disease (AD), the most common type of dementia, is a neurodegenerative disorder characterized by progressive cognitive dysfunction. Epidemiological investigation has demonstrated that, after cardiovascular and cerebrovascular diseases, tumors, and other causes, AD has become a major health issue affecting elderly individuals, with its mortality rate acutely increasing each year. Regulatory cell death is the active and orderly death of genetically determined cells, which is ubiquitous in the development of living organisms and is crucial to the regulation of life homeostasis. With extensive research on regulatory cell death in AD, increasing evidence has revealed that ferroptosis, pyroptosis, and cuproptosis are closely related to the occurrence, development, and prognosis of AD. This paper will review the molecular mechanisms of ferroptosis, pyroptosis, and cuproptosis and their regulatory roles in AD to explore potential therapeutic targets for the treatment of AD.
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Affiliation(s)
- Qi Wang
- College of Integrated Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Jingyi Sun
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Tian Chen
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Ministry of Education, Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Siyu Song
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Ministry of Education, Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Yajun Hou
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Lina Feng
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Cundong Fan
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Mingquan Li
- College of Integrated Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
- Department of Neurology, The Third Affiliated Clinical Hospital of the Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
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Vincenzi F, Pasquini S, Contri C, Cappello M, Nigro M, Travagli A, Merighi S, Gessi S, Borea PA, Varani K. Pharmacology of Adenosine Receptors: Recent Advancements. Biomolecules 2023; 13:1387. [PMID: 37759787 PMCID: PMC10527030 DOI: 10.3390/biom13091387] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/05/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Adenosine receptors (ARs) are widely acknowledged pharmacological targets yet are still underutilized in clinical practice. Their ubiquitous distribution in almost all cells and tissues of the body makes them, on the one hand, excellent candidates for numerous diseases, and on the other hand, intrinsically challenging to exploit selectively and in a site-specific manner. This review endeavors to comprehensively depict the substantial advancements witnessed in recent years concerning the development of drugs that modulate ARs. Through preclinical and clinical research, it has become evident that the modulation of ARs holds promise for the treatment of numerous diseases, including central nervous system disorders, cardiovascular and metabolic conditions, inflammatory and autoimmune diseases, and cancer. The latest studies discussed herein shed light on novel mechanisms through which ARs exert control over pathophysiological states. They also introduce new ligands and innovative strategies for receptor activation, presenting compelling evidence of efficacy along with the implicated signaling pathways. Collectively, these emerging insights underscore a promising trajectory toward harnessing the therapeutic potential of these multifaceted targets.
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Affiliation(s)
- Fabrizio Vincenzi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (C.C.); (M.C.); (M.N.); (A.T.); (S.M.); (S.G.); (K.V.)
| | - Silvia Pasquini
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy;
| | - Chiara Contri
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (C.C.); (M.C.); (M.N.); (A.T.); (S.M.); (S.G.); (K.V.)
| | - Martina Cappello
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (C.C.); (M.C.); (M.N.); (A.T.); (S.M.); (S.G.); (K.V.)
| | - Manuela Nigro
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (C.C.); (M.C.); (M.N.); (A.T.); (S.M.); (S.G.); (K.V.)
| | - Alessia Travagli
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (C.C.); (M.C.); (M.N.); (A.T.); (S.M.); (S.G.); (K.V.)
| | - Stefania Merighi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (C.C.); (M.C.); (M.N.); (A.T.); (S.M.); (S.G.); (K.V.)
| | - Stefania Gessi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (C.C.); (M.C.); (M.N.); (A.T.); (S.M.); (S.G.); (K.V.)
| | | | - Katia Varani
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (C.C.); (M.C.); (M.N.); (A.T.); (S.M.); (S.G.); (K.V.)
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Shahi A, Afzali S, Firoozi Z, Mohaghegh P, Moravej A, Hosseinipour A, Bahmanyar M, Mansoori Y. Potential roles of NLRP3 inflammasome in the pathogenesis of Kawasaki disease. J Cell Physiol 2023; 238:513-532. [PMID: 36649375 DOI: 10.1002/jcp.30948] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/12/2022] [Accepted: 01/05/2023] [Indexed: 01/19/2023]
Abstract
There is a heterogeneous group of rare illnesses that fall into the vasculitis category and are characterized mostly by blood vessel inflammation. Ischemia and disrupted blood flow will cause harm to the organs whose blood arteries become inflamed. Kawasaki disease (KD) is the most prevalent kind of vasculitis in children aged 5 years or younger. Because KD's cardiovascular problems might persist into adulthood, it is no longer thought of as a self-limiting disease. KD is a systemic vasculitis with unknown initiating factors. Numerous factors, such as genetic predisposition and infectious pathogens, are implicated in the etiology of KD. As endothelial cell damage and inflammation can lead to coronary endothelial dysfunction in KD, some studies hypothesized the crucial role of pyroptosis in the pathogenesis of KD. Additionally, pyroptosis-related proteins like caspase-1, apoptosis-associated speck-like protein containing a CARD (ASC), proinflammatory cytokines like IL-1 and IL-18, lactic dehydrogenase, and Gasdermin D (GSDMD) have been found to be overexpressed in KD patients when compared to healthy controls. These occurrences may point to an involvement of inflammasomes and pyroptotic cell death in the etiology of KD and suggest potential treatment targets. Based on these shreds of evidence, in this review, we aim to focus on one of the well-defined inflammasomes, NLRP3, and its role in the pathophysiology of KD.
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Affiliation(s)
- Abbas Shahi
- Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Shima Afzali
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Firoozi
- Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
- Department of Medical Genetics, Fasa University of Medical Sciences, Fasa, Iran
| | - Poopak Mohaghegh
- Pediatrics Department, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Ali Moravej
- Department of Immunology, Fasa University of Medical Sciences, Fasa, Iran
| | - Ali Hosseinipour
- Department of Internal Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Maryam Bahmanyar
- Pediatrics Department, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Yaser Mansoori
- Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
- Department of Medical Genetics, Fasa University of Medical Sciences, Fasa, Iran
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Oliveira BSAD, Milanezi DS, Gonzaga PDV, Detoni FR, Soriano RN. The gut microbiota in neurodegenerative diseases: revisiting possible therapeutic targets for cannabidiol. Heliyon 2022; 8:e12172. [PMID: 36544841 PMCID: PMC9761731 DOI: 10.1016/j.heliyon.2022.e12172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 05/23/2022] [Accepted: 11/29/2022] [Indexed: 12/13/2022] Open
Abstract
Understanding the pathophysiology of Alzheimer's disease (AD) is essential to improve the efficacy of treatments and, consequently, patients' lives. Unfortunately, traditional therapeutic strategies have not been effective. There is therefore an urgent need to discover or develop alternative treatment strategies. Recently, some pieces of the puzzle appear to emerge: on a hand, the gut microbiota (GM) has gained attention since intestinal dysbiosis aggravates and generates some of the pathological processes of AD; on the other hand, cannabidiol (CBD), a phytocannabinoid, attenuates intestinal inflammation and possesses neuroprotective properties. Intestinal dysbiosis (increased population of proinflammatory bacteria) in AD increases plasma lipopolysaccharide and Aβ peptide levels, both responsible for increasing the permeability of the blood-brain barrier (BBB). A leaky BBB may facilitate the entry of peripheral inflammatory mediators into the central nervous system and ultimately aggravate neuroinflammation and neuronal death due to chronic activation of glial cells. Studies investigating the GM reported a strong relationship between intestinal dysbiosis and AD. In this review we conjecture that the GM is a promising therapeutic target for CBD in the context of AD.
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Affiliation(s)
| | - Debora Sandrini Milanezi
- Department of Medicine, Federal University of Juiz de Fora, Governador Valadares, MG, 35032-620, Brazil
| | - Priscila do Val Gonzaga
- Department of Medicine, Federal University of Juiz de Fora, Governador Valadares, MG, 35032-620, Brazil
| | - Fernanda Rabello Detoni
- Department of Medicine, Federal University of Juiz de Fora, Governador Valadares, MG, 35032-620, Brazil
| | - Renato Nery Soriano
- Division of Physiology and Biophysics, Department of Basic Life Sciences, Federal University of Juiz de Fora, Governador Valadares, MG, 35020-360, Brazil,Corresponding author.
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Merighi S, Nigro M, Travagli A, Gessi S. Microglia and Alzheimer's Disease. Int J Mol Sci 2022; 23:12990. [PMID: 36361780 PMCID: PMC9657945 DOI: 10.3390/ijms232112990] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/21/2022] [Accepted: 10/23/2022] [Indexed: 07/30/2023] Open
Abstract
There is a huge need for novel therapeutic and preventative approaches to Alzheimer's disease (AD) and neuroinflammation seems to be one of the most fascinating solutions. The primary cell type that performs immunosurveillance and helps clear out unwanted chemicals from the brain is the microglia. Microglia work to reestablish efficiency and stop further degeneration in the early stages of AD but mainly fail in the illness's later phases. This may be caused by a number of reasons, e.g., a protracted exposure to cytokines that induce inflammation and an inappropriate accumulation of amyloid beta (Aβ) peptide. Extracellular amyloid and/or intraneuronal phosphorylated tau in AD can both activate microglia. The activation of TLRs and scavenger receptors, inducing the activation of numerous inflammatory pathways, including the NF-kB, JAK-STAT, and NLRP3 inflammasome, facilitates microglial phagocytosis and activation in response to these mediators. Aβ/tau are taken up by microglia, and their removal from the extracellular space can also have protective effects, but if the illness worsens, an environment that is constantly inflamed and overexposed to an oxidative environment might encourage continuous microglial activation, which can lead to neuroinflammation, oxidative stress, iron overload, and neurotoxicity. The complexity and diversity of the roles that microglia play in health and disease necessitate the urgent development of new biomarkers that identify the activity of different microglia. It is imperative to comprehend the intricate mechanisms that result in microglial impairment to develop new immunomodulating therapies that primarily attempt to recover the physiological role of microglia, allowing them to carry out their core function of brain protection.
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Mitochondrial Damage-Associated Molecular Patterns Content in Extracellular Vesicles Promotes Early Inflammation in Neurodegenerative Disorders. Cells 2022; 11:cells11152364. [PMID: 35954208 PMCID: PMC9367540 DOI: 10.3390/cells11152364] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/27/2022] [Accepted: 07/28/2022] [Indexed: 02/06/2023] Open
Abstract
Neuroinflammation is a common hallmark in different neurodegenerative conditions that share neuronal dysfunction and a progressive loss of a selectively vulnerable brain cell population. Alongside ageing and genetics, inflammation, oxidative stress and mitochondrial dysfunction are considered key risk factors. Microglia are considered immune sentinels of the central nervous system capable of initiating an innate and adaptive immune response. Nevertheless, the pathological mechanisms underlying the initiation and spread of inflammation in the brain are still poorly described. Recently, a new mechanism of intercellular signalling mediated by small extracellular vesicles (EVs) has been identified. EVs are nanosized particles (30–150 nm) with a bilipid membrane that carries cell-specific bioactive cargos that participate in physiological or pathological processes. Damage-associated molecular patterns (DAMPs) are cellular components recognised by the immune receptors of microglia, inducing or aggravating neuroinflammation in neurodegenerative disorders. Diverse evidence links mitochondrial dysfunction and inflammation mediated by mitochondrial-DAMPs (mtDAMPs) such as mitochondrial DNA, mitochondrial transcription factor A (TFAM) and cardiolipin, among others. Mitochondrial-derived vesicles (MDVs) are a subtype of EVs produced after mild damage to mitochondria and, upon fusion with multivesicular bodies are released as EVs to the extracellular space. MDVs are particularly enriched in mtDAMPs which can induce an immune response and the release of pro-inflammatory cytokines. Importantly, growing evidence supports the association between mitochondrial dysfunction, EV release and inflammation. Here, we describe the role of extracellular vesicles-associated mtDAMPS in physiological conditions and as neuroinflammation activators contributing to neurodegenerative disorders.
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Trinh PNH, Baltos JA, Hellyer SD, May LT, Gregory KJ. Adenosine receptor signalling in Alzheimer’s disease. Purinergic Signal 2022; 18:359-381. [PMID: 35870032 PMCID: PMC9391555 DOI: 10.1007/s11302-022-09883-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 07/02/2022] [Indexed: 12/11/2022] Open
Abstract
Alzheimer’s disease (AD) is the most common dementia in the elderly and its increasing prevalence presents treatment challenges. Despite a better understanding of the disease, the current mainstay of treatment cannot modify pathogenesis or effectively address the associated cognitive and memory deficits. Emerging evidence suggests adenosine G protein-coupled receptors (GPCRs) are promising therapeutic targets for Alzheimer’s disease. The adenosine A1 and A2A receptors are expressed in the human brain and have a proposed involvement in the pathogenesis of dementia. Targeting these receptors preclinically can mitigate pathogenic β-amyloid and tau neurotoxicity whilst improving cognition and memory. In this review, we provide an accessible summary of the literature on Alzheimer’s disease and the therapeutic potential of A1 and A2A receptors. Although there are no available medicines targeting these receptors approved for treating dementia, we provide insights into some novel strategies, including allosterism and the targeting of oligomers, which may increase drug discovery success and enhance the therapeutic response.
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Affiliation(s)
- Phuc N. H. Trinh
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052 Australia
- Department of Pharmacology, Monash University, Parkville, VIC 3052 Australia
| | - Jo-Anne Baltos
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052 Australia
- Department of Pharmacology, Monash University, Parkville, VIC 3052 Australia
| | - Shane D. Hellyer
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052 Australia
| | - Lauren T. May
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052 Australia
- Department of Pharmacology, Monash University, Parkville, VIC 3052 Australia
| | - Karen J. Gregory
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052 Australia
- Department of Pharmacology, Monash University, Parkville, VIC 3052 Australia
- ARC Centre for Cryo-Electron Microscopy of Membrane Proteins, Monash Institute of Pharmaceutical Sciences, Parkville, 3052 Australia
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Tedeschi P, Nigro M, Travagli A, Catani M, Cavazzini A, Merighi S, Gessi S. Therapeutic Potential of Allicin and Aged Garlic Extract in Alzheimer’s Disease. Int J Mol Sci 2022; 23:ijms23136950. [PMID: 35805955 PMCID: PMC9266652 DOI: 10.3390/ijms23136950] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/06/2022] [Accepted: 06/21/2022] [Indexed: 11/16/2022] Open
Abstract
Garlic, Allium sativum, has long been utilized for a number of medicinal purposes around the world, and its medical benefits have been well documented. The health benefits of garlic likely arise from a wide variety of components, possibly working synergistically. Garlic and garlic extracts, especially aged garlic extracts (AGEs), are rich in bioactive compounds, with potent anti-inflammatory, antioxidant and neuroprotective activities. In light of these effects, garlic and its components have been examined in experimental models of Alzheimer’s disease (AD), the most common form of dementia without therapy, and a growing health concern in aging societies. With the aim of offering an updated overview, this paper reviews the chemical composition, metabolism and bioavailability of garlic bioactive compounds. In addition, it provides an overview of signaling mechanisms triggered by garlic derivatives, with a focus on allicin and AGE, to improve learning and memory.
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Affiliation(s)
- Paola Tedeschi
- Department of Chemical, Pharmaceutical and Agricultural Sciences—DOCPAS, University of Ferrara, 44121 Ferrara, Italy; (P.T.); (M.C.); (A.C.)
| | - Manuela Nigro
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.N.); (A.T.); (S.G.)
| | - Alessia Travagli
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.N.); (A.T.); (S.G.)
| | - Martina Catani
- Department of Chemical, Pharmaceutical and Agricultural Sciences—DOCPAS, University of Ferrara, 44121 Ferrara, Italy; (P.T.); (M.C.); (A.C.)
| | - Alberto Cavazzini
- Department of Chemical, Pharmaceutical and Agricultural Sciences—DOCPAS, University of Ferrara, 44121 Ferrara, Italy; (P.T.); (M.C.); (A.C.)
| | - Stefania Merighi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.N.); (A.T.); (S.G.)
- Correspondence: ; Tel.: +39-0532-455434
| | - Stefania Gessi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.N.); (A.T.); (S.G.)
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