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Jiang W, Gong M, Shen L, Yu C, Ruan H, Chen P, Gao S, Xiao Z. The Receptor for Advanced Glycation End-products in the Mouse Anterior Cingulate Cortex is Involved in Neuron‒Astrocyte Coupling in Chronic Inflammatory Pain and Anxiety Comorbidity. Mol Neurobiol 2025; 62:7183-7204. [PMID: 39863743 PMCID: PMC12078453 DOI: 10.1007/s12035-025-04713-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2024] [Accepted: 01/16/2025] [Indexed: 01/27/2025]
Abstract
Previous studies have shown that astrocyte activation in the anterior cingulate cortex (ACC), accompanied by upregulation of the astrocyte marker S100 calcium binding protein B (S100B), contributes to comorbid anxiety in chronic inflammatory pain (CIP), but the exact downstream mechanism is still being explored. The receptor for advanced glycation end-products (RAGE) plays an important role in chronic pain and psychosis by recognizing ligands, including S100B. Therefore, we speculate that RAGE may be involved in astrocyte regulation of the comorbidity between CIP and anxiety by recognizing S100B. Here, we investigated the potential role of RAGE and the correlation between RAGE and astrocyte regulation in the ACC using a mouse model of complete Freund's adjuvant (CFA)-induced inflammatory pain. We detected substantial upregulation of RAGE expression in ACC neurons when anxiety-like behaviors occurred in CFA-treated mice. The inhibition of RAGE expression decreased the hyperexcitability of ACC neurons and alleviated both hyperalgesia and anxiety in CFA-treated mice. Furthermore, we found that the ACC astrocytic S100B level increased over a similar time course. Intra-ACC application of S100B or downregulation of ACC astrocytic S100B via suppression of astrocyte activation significantly affected RAGE levels and the relative behaviors of CFA-treated mice. Taken together, these findings suggest that the upregulation of ACC neuronal RAGE results from the activation of astrocytic S100B and leads to the maintenance of pain perception and anxiety in the late phase after CFA injection, which may partly explain the mechanism by which ACC neuron‒astrocyte coupling promotes the maintenance of CIP and anxiety comorbidity.
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Affiliation(s)
- Wei Jiang
- Key Laboratory of Anesthesia and Organ Protection (Zunyi Medical University), Ministry of Education, Zunyi Medical University, Xinpu New District Campus No. 1 Street, Zunyi, 563000, Guizhou, China
- Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, No. 10 Changjiang branch Road, Chongqing, 400042, China
| | - Minmin Gong
- Graduate School, Zunyi Medical University, Xinpu New District Campus No. 1 Street, Zunyi, 563000, Guizhou, China
- Department of Physiology, School of Preclinical Medicine Science, Zunyi Medical University, Xinpu New District Campus No. 1 Street, Zunyi, 563000, Guizhou, China
| | - Linlin Shen
- Department of Respiratory and Critical Care Medicine, Xinqiao Hospital, Army Medical University, No. 83 Xinqiao Street, Chongqing, 400037, China
| | - Chenghui Yu
- Chongqing Key Laboratory of Micro-Nano Systems and Intelligent Transduction, Chongqing Technology and Business University, Eshibaoshan, Chongqing, 400067, China
| | - Huaizhen Ruan
- Department of Neurobiology, College of Basic Medical Science, Chongqing Key Laboratory of Neurobiology, Army Medical University, No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Penghui Chen
- Department of Neurobiology, College of Basic Medical Science, Chongqing Key Laboratory of Neurobiology, Army Medical University, No. 30 Gaotanyan Street, Chongqing, 400038, China.
| | - Shihao Gao
- Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, No. 10 Changjiang branch Road, Chongqing, 400042, China.
| | - Zhi Xiao
- Guizhou Key Laboratory of Brain Science, Zunyi Medical University, Xinpu New District Campus No. 1 Street, Zunyi, 563000, China.
- Guizhou Key Laboratory of Anesthesia and Organ Protection, Zunyi Medical University, Xinpu New District Campus No. 1 Street, Zunyi, 563000, China.
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Lu S, Zhang J, He X, Huang J. S100B in postoperative cognitive impairment: systematic review and meta-analysis. Clin Chim Acta 2025; 576:120380. [PMID: 40419233 DOI: 10.1016/j.cca.2025.120380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2025] [Revised: 05/21/2025] [Accepted: 05/21/2025] [Indexed: 05/28/2025]
Abstract
BACKGROUND Postoperative cognitive dysfunction (POCD) is prevalent after cardiac and non-cardiac surgeries. It has been generally accepted that POCD is caused by an inflammatory response. This study aimed to determine whether mini-mental state examination (MMSE) scores and the serum levels of two prominent inflammatory factors, S-100B protein (S-100B) and neuron-specific enolase (NSE), can predict POCD among patients undergoing non-cardiac surgeries. METHOD A comprehensive literature search was conducted using electronic databases such as PubMed, Web of Science, Scopus, Google Scholar, and Embase up to 14, January 2025 to identify eligible observational studies evaluating the relationship between the incidence of POCD and the serum levels of S100B, NSE, and MMSE score before surgery and 24 h and 7 days after surgery among patients undergoing non-cardiac surgeries. RESULTS Our findings demonstrated that patients who developed POCD had higher S100B levels 24 h after surgery compared to before surgery. Compared to pre-operative levels, there were no significant differences in S100B levels at 7 days, NSE levels at 24 h or 7 days, and MMSE scores at 24 h or 7 days after surgery. Age-based analysis revealed that patients with POCD aged ≥60 had higher S100B levels at 24 h post-operative. Among different surgery types, S100B and NSE levels increased significantly 24 h after spinal surgery, while MMSE scores significantly decreased after spinal surgery. CONCLUSION S100B may help the early detection of POCD, and the prognostic value of S100B can be evaluated in future studies. Unlike S100B, NSE and MMSE did not show significant differences between POCD and non-POCD groups.
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Affiliation(s)
- Shuihuan Lu
- General Practice, The 924th Hospital of Joint Logistics Support Force of the PLA, No.1, Xinqiaoyuan Road, Xiangshan District, Guilin, Guangxi Zhuang Autonomous Region 541002, China
| | - Jinning Zhang
- Department of Neurosurgery, Quanzhou First Hospital, NO.1028, Anji South Road, Fengze District, Quanzhou, Fujian 362000, China
| | - Xueyang He
- Department of Neurosurgery, Quanzhou First Hospital, NO.1028, Anji South Road, Fengze District, Quanzhou, Fujian 362000, China
| | - Jiaxin Huang
- Department of Neurosurgery, Quanzhou First Hospital, NO.1028, Anji South Road, Fengze District, Quanzhou, Fujian 362000, China.
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Florea AM, Neațu M, Luca DG, Davidescu EI, Popescu BO. Fluid Biomarkers in Demyelinating Spectrum Disorders: Past, Present, and Prospects. Int J Mol Sci 2025; 26:4455. [PMID: 40362691 PMCID: PMC12072187 DOI: 10.3390/ijms26094455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2025] [Revised: 05/01/2025] [Accepted: 05/05/2025] [Indexed: 05/15/2025] Open
Abstract
The diagnostic algorithm for the demyelinating disorders of the central nervous system remains a work in progress, with the search for the ideal biomarkers ongoing. The so-called "ideal" biomarker should ensure the accurate differentiation between the most common demyelinating pathologies of the CNS and between the subtypes of the same pathology (for example, the conversion from relapsing-remitting multiple sclerosis to the secondary progressive phenotype). Advances in technology facilitated this research and in the following sections we will comprehensively review most of these, outlining the past, present, and prospects and the impact they had on both diagnosis and therapeutic approach.
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Affiliation(s)
- Anca-Maria Florea
- Department of Clinical Neurosciences, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (A.-M.F.); (M.N.); (B.-O.P.)
- Department of Neurology, Colentina Clinical Hospital, 020125 Bucharest, Romania;
| | - Monica Neațu
- Department of Clinical Neurosciences, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (A.-M.F.); (M.N.); (B.-O.P.)
- Department of Neurology, Colentina Clinical Hospital, 020125 Bucharest, Romania;
| | - Dimela-Gabriela Luca
- Department of Neurology, Colentina Clinical Hospital, 020125 Bucharest, Romania;
| | - Eugenia Irene Davidescu
- Department of Clinical Neurosciences, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (A.-M.F.); (M.N.); (B.-O.P.)
- Department of Neurology, Colentina Clinical Hospital, 020125 Bucharest, Romania;
| | - Bogdan-Ovidiu Popescu
- Department of Clinical Neurosciences, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (A.-M.F.); (M.N.); (B.-O.P.)
- Department of Neurology, Colentina Clinical Hospital, 020125 Bucharest, Romania;
- Department of Cell Biology, Neurosciences and Experimental Myology, “Victor Babes” National Institute of Pathology, 050096 Bucharest, Romania
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Wang Y, Liu S, Hao H, Yang C, Tu T, Fan Y, Song Z, Yang K, Zhang H, Li HF, Ma Y. Laboratory parameters as diagnostic indicators in venous hypertensive myelopathy. Spine J 2025; 25:956-965. [PMID: 39667644 DOI: 10.1016/j.spinee.2024.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 10/07/2024] [Accepted: 12/03/2024] [Indexed: 12/14/2024]
Abstract
BACKGROUND CONTEXT Venous hypertension is a rare cause of myelopathy that can be misdiagnosed as myelitis and be worsened by glucocorticosteroids. PURPOSE This study is aims to identify a fluid biomarker with diagnostic value in Venous Hypertensive Myelopathy (VHM). STUDY DESIGN a retrospective diagnostic study. PATIENT SAMPLE The patients diagnosed as having myelopathy between December 2020 and June 2022 were divided into a VHM group (n=71) and an inflammatory myelopathy (IM) group (n=123). A noninflammatory neurological disorders (NIND) group (n=53) was also acquired as baseline control. OUTCOME MEASURES The primary outcome was the diagnostic accuracy of the fluid biomarkers in the VHM and IM groups. METHODS The albumin, immunoglobulins, oligoclonal bands, neuron-specific enolase, myelin basic protein, and S100β were measured in their cerebrospinal fluid (CSF) and paired serum samples. Potential diagnostic biomarkers were screened through univariate and collinearity analyses. The diagnostic performance of these biomarkers was assessed by plotting the receiver-operating characteristic curves. Additionally, the predictive value of clinical factors and biomarkers for diagnosis was evaluated using multivariable logistic regression analysis. RESULTS The quantitative and normalized CSF-S100β values were significantly lower in the VHM group (p<.05). Analysis of receiver-operating characteristic curves adjusted for age and sex showed that the normalized CSF-S100β discriminated between VHM and IM (area under the curve (AUC) 0.884, 95% confidence interval [CI] 0.817-0.938). Particularly, it performed well in the AUC for normalized CSF-S100β (AUC 0.9400, 95% CI 0.8621-1.000) when oligoclonal bands and flow-void sign were negative. CONCLUSIONS The normalized CSF-S100β can differentiate between VHM and IM.
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Affiliation(s)
- Yinqing Wang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China; Department of Neurosurgery, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
| | - Shuangshuang Liu
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Hongjun Hao
- Laboratory of Neuroimmunology, Department of Neurology, Peking University First Hospital, Beijing, China
| | - Chengbin Yang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Tianqi Tu
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yuxiang Fan
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Zihao Song
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Kun Yang
- Department of Evidence-based Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Hongqi Zhang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Hai-Feng Li
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yongjie Ma
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.
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Napoletano G, Marinelli E, Palla L, Zaami S, Maiese A. Expression of RIPK-1 and S-100B in traumatic brain injury- exploring a forensic cases series. Int J Legal Med 2025; 139:1105-1112. [PMID: 39676104 DOI: 10.1007/s00414-024-03400-2] [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: 07/18/2024] [Accepted: 12/11/2024] [Indexed: 12/17/2024]
Abstract
Traumatic Brain Injury (TBI) represents one of the leading causes of disability and death globally, with a significant impact on public health. We present 12 cases (age 5-80 years old) of death due to TBI with different post-traumatic interval (PTI). The expression of S-100B and RIPK-1 in pericontusional zones of TBI were studied in forensic cases to understand the vitality and timing of injuries. The anti-RIPK-1 antibodies mainly stained the cytoplasm of the nerve cells. In 3 cases (48 to 56 years old with no other comorbidities; PTI: 2 days to 4 days) antibodies positive for RIPK-1 were found. In 5 cases (48 to 71 years old; PTI: 2 days to 12 days) astrocyte, oligodendrocyte and neurons positive for anti-S-100B were found. In 3 of these 5 cases both antibodies tested were positive. In 7 cases (5-80 years old; one with history of drug abuse, other with no comorbidities, PTI 0 h; ) the glial cells were swollen and the submeningeal glial limitans became immunopositive for S100B. Stain accumulations were also observed adjacent to the walls of cerebral vessels, sometimes within the intravascular compartment. The results of the study show that in subjects who suffered a TBI, the expression of RIPK-1 and S-100B at the level of neurons in the pericontusional area was significantly increased compared to the control group. Neurons were not stained for RIPK-1 in cases of sudden cardiac deaths and sudden deaths due to TBI but observed neurons became immunopositive for RIPK-1 some days after TBI. S100-immunopositive neurons were not seen in immediate deaths but were found in cases with survival up to 12 days. Results regarding S100B are in line with existing knowledge. The study of necroptosis with anti-RIPK-1 antibodies could be useful in understanding the extent of secondary injuries and survival time in forensic contexts. However, this is a pilot study and should be extended to a larger number of cases to achieve more reliable results.
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Affiliation(s)
- Gabriele Napoletano
- Department of Anatomical, Histological, Forensic and Orthopedic Sciences, Sapienza University of Rome, Viale Regina Elena 336, Rome, 00161, Italy.
| | - Enrico Marinelli
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, 04100, Italy
| | - Luigi Palla
- Department of Public Health and Infectious Diseases, Sapienza University, Rome, Italy
| | - Simona Zaami
- Department of Anatomical, Histological, Forensic and Orthopedic Sciences, Sapienza University of Rome, Viale Regina Elena 336, Rome, 00161, Italy
| | - Aniello Maiese
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, Pisa, 56126, Italy
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Sarkar S, Porel P, Kosey S, Aran KR. Diverse role of S100 calcium-binding protein B in alzheimer's disease: pathological mechanisms and therapeutic implications. Inflammopharmacology 2025; 33:1803-1816. [PMID: 40057929 DOI: 10.1007/s10787-025-01697-y] [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: 01/21/2025] [Accepted: 02/01/2025] [Indexed: 04/13/2025]
Abstract
S100 calcium-binding protein B, a member of the S100 protein family, plays an important role in the pathogenesis of Alzheimer's disease. Alzheimer's disease, a neurodegenerative disorder, is characterized by amyloid-beta plaques, neurofibrillary tangles, progressive dementia, and severe neuroinflammation. S100 calcium-binding protein B, predominantly secreted by astrocytes, exhibits a dual role in Alzheimer's disease, where at low (nanomolar) concentrations, it exhibits neurotrophic and neuroprotective effects and enhances synaptic plasticity, while at higher concentrations, it contributes to neuroinflammation and neuronal damage. In addition to its pathological roles in Alzheimer's disease, S100 calcium-binding protein B is also considered a potential biomarker, as increased levels correlate with cognitive decline and disease progression in cerebrospinal fluid. Targeting S100 calcium-binding protein B and/or its interaction with the receptor for advanced glycation end-products seems to be a potential target for therapeutic intervention. The development of multiple treatment approaches, such as pharmacological inhibitors, immunotherapy, and modulation of S100 calcium-binding protein B / receptor for advanced glycation end-products signalling pathways, might help to reduce neuroinflammation and amyloid-beta deposition effectively. This review aims to provide an overview of the role of S100 calcium-binding protein B in Alzheimer's disease and to explore its potential as a treatment target, well-grounded in its dual nature. Understanding S100 calcium-binding protein B's involvement in the pathogenesis of Alzheimer's disease may advance its application as a biomarker and help in the development of new treatment strategies, ultimately improving patients' quality of life.
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Affiliation(s)
- Sampriti Sarkar
- Department of Pharmacy Practice, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Pratyush Porel
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Sourabh Kosey
- Department of Pharmacy Practice, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Khadga Raj Aran
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India.
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7
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Rai V, Deepu V, Agrawal DK. Targeting RAGE-signaling pathways in the repair of rotator-cuff injury. Mol Cell Biochem 2025; 480:2539-2554. [PMID: 39395136 PMCID: PMC11961478 DOI: 10.1007/s11010-024-05132-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Accepted: 10/01/2024] [Indexed: 10/14/2024]
Abstract
Rotator cuff injury (RCI) is a common musculoskeletal problem that can have a significant impact on the quality of life and functional abilities of those affected. Novel therapies, including proteomics-based, stem cells, platelet-rich plasma, and exosomes, are being developed to promote rotator-cuff healing. The receptor for advanced glycation end-products (RAGE) is a multifunctional receptor that is expressed on several cell types and is implicated in several physiologic and pathological processes, such as tissue repair, inflammation, and degeneration. Because of its capacity to bind with a variety of ligands and initiate signaling pathways that lead to inflammatory responses in RCI, RAGE plays a crucial role in inflammation. In this critical review article, we discussed the role of RAGE-mediated persistent inflammation in RCI followed by novel factors including PKCs, TIRAP, DIAPH1, and factors related to muscle injury with their therapeutic potential in RCI. These factors involve various aspects of muscle injury and signaling and the possibility of targeting these factors to improve the clinical outcomes in RCI still needs further investigation.
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Affiliation(s)
- Vikrant Rai
- Department of Translational Research, Western University of Health Sciences, 309 E. Second Street, Pomona, CA, 91766-1854, USA
| | - Vinitha Deepu
- Department of Translational Research, Western University of Health Sciences, 309 E. Second Street, Pomona, CA, 91766-1854, USA
| | - Devendra K Agrawal
- Department of Translational Research, Western University of Health Sciences, 309 E. Second Street, Pomona, CA, 91766-1854, USA.
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8
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Romano Spica V, Volpini V, Valeriani F, Carotenuto G, Arcieri M, Platania S, Castrignanò T, Clementi ME, Michetti F. In Silico Predicting the Presence of the S100B Motif in Edible Plants and Detecting Its Immunoreactive Materials: Perspectives for Functional Foods, Dietary Supplements and Phytotherapies. Int J Mol Sci 2024; 25:9813. [PMID: 39337302 PMCID: PMC11431829 DOI: 10.3390/ijms25189813] [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: 07/23/2024] [Revised: 09/06/2024] [Accepted: 09/08/2024] [Indexed: 09/30/2024] Open
Abstract
The protein S100B is a part of the S100 protein family, which consists of at least 25 calcium-binding proteins. S100B is highly conserved across different species, supporting important biological functions. The protein was shown to play a role in gut microbiota eubiosis and is secreted in human breast milk, suggesting a physiological trophic function in newborn development. This study explores the possible presence of the S100B motif in plant genomes, and of S100B-like immunoreactive material in different plant extracts, opening up potential botanical uses for dietary supplementation. To explore the presence of the S100B motif in plants, a bioinformatic workflow was used. In addition, the immunoreactivity of S100B from vegetable and fruit samples was tested using an ELISA assay. The S100B motif was expected in silico in the genome of different edible plants belonging to the Viridiplantae clade, such as Durio zibethinus or Malus domestica and other medicinal species. S100B-like immunoreactive material was also detected in samples from fruits or leaves. The finding of S100B-like molecules in plants sheds new light on their role in phylogenesis and in the food chain. This study lays the foundation to elucidate the possible beneficial effects of plants or derivatives containing the S100B-like principle and their potential use in nutraceuticals.
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Affiliation(s)
- Vincenzo Romano Spica
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy
| | - Veronica Volpini
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy
| | - Federica Valeriani
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy
| | - Giovanni Carotenuto
- Department of Ecological and Biological Sciences, University of Tuscia, Viale dell'Università s.n.c., 01100 Viterbo, Italy
| | - Manuel Arcieri
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Serena Platania
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy
- Genes, Via Venti Settembre 118, 00187 Roma, Italy
| | - Tiziana Castrignanò
- Department of Ecological and Biological Sciences, University of Tuscia, Viale dell'Università s.n.c., 01100 Viterbo, Italy
| | - Maria Elisabetta Clementi
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta" SCITEC-CNR, L.go F. Vito 1, 00168 Rome, Italy
| | - Fabrizio Michetti
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy
- Genes, Via Venti Settembre 118, 00187 Roma, Italy
- Department of Medicine, LUM University, 70010 Casamassima, Italy
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Zhu Z, McClintock TS, Bieberich E. Transcriptomics analysis reveals potential regulatory role of nSMase2 (Smpd3) in nervous system development and function of middle-aged mouse brains. GENES, BRAIN, AND BEHAVIOR 2024; 23:e12911. [PMID: 39171374 PMCID: PMC11339599 DOI: 10.1111/gbb.12911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 07/22/2024] [Accepted: 07/29/2024] [Indexed: 08/23/2024]
Abstract
Neutral sphingomyelinase-2 (nSMase2), gene name sphingomyelin phosphodiesterase-3 (Smpd3), is a key regulatory enzyme responsible for generating the sphingolipid ceramide. The function of nSMase2 in the brain is still controversial. To better understand the functional roles of nSMase2 in the aging mouse brain, we applied RNA-seq analysis, which identified a total of 1462 differentially abundant mRNAs between +/fro and fro/fro, of which 891 were increased and 571 were decreased in nSMase2-deficient mouse brains. The most strongly enriched GO and KEGG annotation terms among transcripts increased in fro/fro mice included synaptogenesis, synapse development, synaptic signaling, axon development, and axonogenesis. Among decreased transcripts, enriched annotations included ribosome assembly and mitochondrial protein complex functions. KEGG analysis of decreased transcripts also revealed overrepresentation of annotations for Alzheimer's disease (AD), Parkinson's disease (PD), and Huntington disease (HD). Ingenuity Pathway Analysis (IPA) tools predicted lower susceptibility to these neurodegenerative disorders, as well as predictions agreeing with stronger synaptic function, learning, and memory in fro/fro mice. The IPA tools identified signaling proteins, epigenetic regulators, and microRNAs as likely upstream regulators of the broader set of genes encoding the affected transcripts. It also revealed 16 gene networks, each linked to biological processes identified as overrepresented annotations among the affected transcripts by multiple analysis methods. Therefore, the analysis of these RNA-seq data indicates that nSMase2 impacts synaptic function and neural development, and may contribute to the onset and development of neurodegenerative diseases in middle-aged mice.
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Affiliation(s)
- Zhihui Zhu
- Department of PhysiologyUniversity of Kentucky College of MedicineLexingtonKentuckyUSA
| | - Timothy S. McClintock
- Department of PhysiologyUniversity of Kentucky College of MedicineLexingtonKentuckyUSA
| | - Erhard Bieberich
- Department of PhysiologyUniversity of Kentucky College of MedicineLexingtonKentuckyUSA
- Veterans Affairs Medical CenterLexingtonKentuckyUSA
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Wu LH, Cheng YW, Lin FL, Hsu KC, Wang MH, Yen JL, Wang TJ, Lin TE, Liu YC, Huang WJ, Hsiao G. A novel HDAC8 inhibitor H7E exerts retinoprotective effects against glaucomatous injury via ameliorating aberrant Müller glia activation and oxidative stress. Biomed Pharmacother 2024; 174:116538. [PMID: 38579401 DOI: 10.1016/j.biopha.2024.116538] [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: 01/05/2024] [Revised: 03/18/2024] [Accepted: 03/29/2024] [Indexed: 04/07/2024] Open
Abstract
Glaucoma is considered a neurodegenerative disease characterized by progressive visual field defects that may lead to blindness. Although controlling intraocular pressure (IOP) is the mainstay of glaucoma treatment, some glaucoma patients have unmet needs due to unclear pathogenic mechanisms. Recently, there has been growing evidence that neuroinflammation is a potential target for the development of novel antiglaucoma agents. In this study, we investigated the protective effects and cellular mechanisms of H7E, a novel small molecule inhibits HDAC8, using in vitro and in vivo glaucoma-like models. Importantly, H7E mitigated extracellular MMP-9 activity and MCP-1 levels in glutamate- or S100B-stimulated reactive Müller glia. In addition, H7E inhibited the upregulation of inflammation- and proliferation-related signaling pathways, particularly the ERK and JNK MAPK pathways. Under conditions of oxidative damage, H7E prevents retinal cell death and reduces extracellular glutamate released from stressed Müller glia. In a mouse model of NMDA-induced retinal degeneration, H7E alleviated functional and structural defects within the inner retina as assessed by electroretinography and optical coherence tomography. Our results demonstrated that the newly identified compound H7E protects against glaucoma damage by specifically targeting HDAC8 activity in the retina. This protective effect is attributed to the inhibition of Müller glial activation and the prevention of retinal cell death caused by oxidative stress.
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Affiliation(s)
- Liang-Huan Wu
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan.
| | - Yu-Wen Cheng
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan; Department of Pharmaceutical Sciences, School of Pharmacy, College of Pharmacy, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan.
| | - Fan-Li Lin
- Department of Pharmacology, School of Medicine, Kaohsiung Medical University, 100 Shih-Chuan 1st Rd., Kaohsiung 807, Taiwan.
| | - Kai-Cheng Hsu
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan; Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, 301 Yuantong Rd., New Taipei 235, Taiwan.
| | - Mong-Heng Wang
- Independent Scholar, 3466 Rhodes Hill Drive, Martinez, GA 30907, USA.
| | - Jing-Lun Yen
- Graduate Institute of Medical Sciences and Department of Pharmacology, School of Medicine, College of Medicine, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan.
| | - Tsung-Jen Wang
- Department of Ophthalmology, Taipei Medical University Hospital, 252 Wu-Hsing St., Taipei 110, Taiwan; Department of Ophthalmology, School of Medicine, College of Medicine, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan.
| | - Tony Eight Lin
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, 301 Yuantong Rd., New Taipei 235, Taiwan.
| | - Yi-Chien Liu
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan.
| | - Wei-Jan Huang
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan; Department of Pharmaceutical Sciences, School of Pharmacy, College of Pharmacy, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan.
| | - George Hsiao
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan; Graduate Institute of Medical Sciences and Department of Pharmacology, School of Medicine, College of Medicine, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan; Department of Ophthalmology, School of Medicine, College of Medicine, Taipei Medical University, 250 Wu-Hsing St., Taipei 110, Taiwan.
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11
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Michetti F, Di Sante G, Clementi ME, Valeriani F, Mandarano M, Ria F, Di Liddo R, Rende M, Romano Spica V. The Multifaceted S100B Protein: A Role in Obesity and Diabetes? Int J Mol Sci 2024; 25:776. [PMID: 38255850 PMCID: PMC10815019 DOI: 10.3390/ijms25020776] [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: 11/17/2023] [Revised: 12/21/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
The S100B protein is abundant in the nervous system, mainly in astrocytes, and is also present in other districts. Among these, the adipose tissue is a site of concentration for the protein. In the light of consistent research showing some associations between S100B and adipose tissue in the context of obesity, metabolic disorders, and diabetes, this review tunes the possible role of S100B in the pathogenic processes of these disorders, which are known to involve the adipose tissue. The reported data suggest a role for adipose S100B in obesity/diabetes processes, thus putatively re-proposing the role played by astrocytic S100B in neuroinflammatory/neurodegenerative processes.
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Affiliation(s)
- Fabrizio Michetti
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta” SCITEC-CNR, L.go F. Vito 1, 00168 Rome, Italy;
- Department of Neuroscience, Catholic University of the Sacred Heart, L.go F. Vito 1, 00168 Rome, Italy
- Department of Medicine, LUM University, 70010 Casamassima, Italy
- Genes, Via Venti Settembre 118, 00187 Roma, Italy
| | - Gabriele Di Sante
- Department of Medicine and Surgery, Section of Human, Clinical and Forensic Anatomy, University of Perugia, 06132 Perugia, Italy; (G.D.S.); (M.R.)
| | - Maria Elisabetta Clementi
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta” SCITEC-CNR, L.go F. Vito 1, 00168 Rome, Italy;
| | - Federica Valeriani
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (F.V.); (V.R.S.)
| | - Martina Mandarano
- Department of Medicine and Surgery, Section of Anatomic Pathology and Histology, Medical School, University of Perugia, 06132 Perugia, Italy;
| | - Francesco Ria
- Department of Translational Medicine and Surgery, Section of General Pathology, Catholic University of the Sacred Heart, 00168 Rome, Italy;
| | - Rosa Di Liddo
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy;
| | - Mario Rende
- Department of Medicine and Surgery, Section of Human, Clinical and Forensic Anatomy, University of Perugia, 06132 Perugia, Italy; (G.D.S.); (M.R.)
| | - Vincenzo Romano Spica
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (F.V.); (V.R.S.)
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12
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Leite MC, Galland F, Guerra MC, Rodrigues L, Taday J, Monteforte PT, Hirata H, Gottfried C, Donato R, Smaili S, Gonçalves CA. Astroglial S100B Secretion Is Mediated by Ca 2+ Mobilization from Endoplasmic Reticulum: A Study Using Forskolin and DMSO as Secretagogues. Int J Mol Sci 2023; 24:16576. [PMID: 38068900 PMCID: PMC10706453 DOI: 10.3390/ijms242316576] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 11/01/2023] [Accepted: 11/09/2023] [Indexed: 12/18/2023] Open
Abstract
S100B, a homodimeric Ca2+-binding protein, is produced and secreted by astrocytes, and its extracellular levels have been used as a glial marker in brain damage and neurodegenerative and psychiatric diseases; however, its mechanism of secretion is elusive. We used primary astrocyte cultures and calcium measurements from real-time fluorescence microscopy to investigate the role of intracellular calcium in S100B secretion. In addition, the dimethyl sulfoxide (DMSO) effect on S100B was investigated in vitro and in vivo using Wistar rats. We found that DMSO, a widely used vehicle in biological assays, is a powerful S100B secretagogue, which caused a biphasic response of Ca2+ mobilization. Our data show that astroglial S100B secretion is triggered by the increase in intracellular Ca2+ and indicate that this increase is due to Ca2+ mobilization from the endoplasmic reticulum. Also, blocking plasma membrane Ca2+ channels involved in the Ca2+ replenishment of internal stores decreased S100B secretion. The DMSO-induced S100B secretion was confirmed in vivo and in ex vivo hippocampal slices. Our data support a nonclassic vesicular export of S100B modulated by Ca2+, and the results might contribute to understanding the mechanism underlying the astroglial release of S100B.
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Affiliation(s)
- Marina C. Leite
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Ramiro Barcelos, 2600-Anexo, Porto Alegre 90035-003, RS, Brazil; (M.C.G.); (L.R.); (J.T.); (C.G.); (C.-A.G.)
| | - Fabiana Galland
- Centro de Ciências e Qualidade dos Alimentos, Instituto de Tecnologia de Alimentos, Campinas 13070-178, SP, Brazil;
| | - Maria Cristina Guerra
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Ramiro Barcelos, 2600-Anexo, Porto Alegre 90035-003, RS, Brazil; (M.C.G.); (L.R.); (J.T.); (C.G.); (C.-A.G.)
| | - Letícia Rodrigues
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Ramiro Barcelos, 2600-Anexo, Porto Alegre 90035-003, RS, Brazil; (M.C.G.); (L.R.); (J.T.); (C.G.); (C.-A.G.)
| | - Jéssica Taday
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Ramiro Barcelos, 2600-Anexo, Porto Alegre 90035-003, RS, Brazil; (M.C.G.); (L.R.); (J.T.); (C.G.); (C.-A.G.)
| | - Priscila T. Monteforte
- Departamento de Ciências Naturais, Universidade Federal de São João Del-Rei, São João Del Rei 36301-160, MG, Brazil;
| | - Hanko Hirata
- Departamento de Farmacologia, Universidade Federal de São Paulo, São Paulo 04044-020, SP, Brazil; (H.H.); (S.S.)
| | - Carmem Gottfried
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Ramiro Barcelos, 2600-Anexo, Porto Alegre 90035-003, RS, Brazil; (M.C.G.); (L.R.); (J.T.); (C.G.); (C.-A.G.)
| | - Rosario Donato
- Interuniversity Institute of Myology, 06132 Perugia, Italy;
| | - Soraya Smaili
- Departamento de Farmacologia, Universidade Federal de São Paulo, São Paulo 04044-020, SP, Brazil; (H.H.); (S.S.)
| | - Carlos-Alberto Gonçalves
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Ramiro Barcelos, 2600-Anexo, Porto Alegre 90035-003, RS, Brazil; (M.C.G.); (L.R.); (J.T.); (C.G.); (C.-A.G.)
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13
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Cohen G, Gover O, Schwartz B. Phytocannabinoids Reduce Inflammation of Primed Macrophages and Enteric Glial Cells: An In Vitro Study. Int J Mol Sci 2023; 24:14628. [PMID: 37834076 PMCID: PMC10572654 DOI: 10.3390/ijms241914628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/20/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
Intestinal inflammation is mediated by a subset of cells populating the intestine, such as enteric glial cells (EGC) and macrophages. Different studies indicate that phytocannabinoids could play a possible role in the treatment of inflammatory bowel disease (IBD) by relieving the symptoms involved in the disease. Phytocannabinoids act through the endocannabinoid system, which is distributed throughout the mammalian body in the cells of the immune system and in the intestinal cells. Our in vitro study analyzed the putative anti-inflammatory effect of nine selected pure cannabinoids in J774A1 macrophage cells and EGCs triggered to undergo inflammation with lipopolysaccharide (LPS). The anti-inflammatory effect of several phytocannabinoids was measured by their ability to reduce TNFα transcription and translation in J774A1 macrophages and to diminish S100B and GFAP secretion and transcription in EGCs. Our results demonstrate that THC at the lower concentrations tested exerted the most effective anti-inflammatory effect in both J774A1 macrophages and EGCs compared to the other phytocannabinoids tested herein. We then performed RNA-seq analysis of EGCs exposed to LPS in the presence or absence of THC or THC-COOH. Transcriptomic analysis of these EGCs revealed 23 differentially expressed genes (DEG) compared to the treatment with only LPS. Pretreatment with THC resulted in 26 DEG, and pretreatment with THC-COOH resulted in 25 DEG. To evaluate which biological pathways were affected by the different phytocannabinoid treatments, we used the Ingenuity platform. We show that THC treatment affects the mTOR and RAR signaling pathway, while THC-COOH mainly affects the IL6 signaling pathway.
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14
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Freire MAM, Rocha GS, Bittencourt LO, Falcao D, Lima RR, Cavalcanti JRLP. Cellular and Molecular Pathophysiology of Traumatic Brain Injury: What Have We Learned So Far? BIOLOGY 2023; 12:1139. [PMID: 37627023 PMCID: PMC10452099 DOI: 10.3390/biology12081139] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023]
Abstract
Traumatic brain injury (TBI) is one of the leading causes of long-lasting morbidity and mortality worldwide, being a devastating condition related to the impairment of the nervous system after an external traumatic event resulting in transitory or permanent functional disability, with a significant burden to the healthcare system. Harmful events underlying TBI can be classified into two sequential stages, primary and secondary, which are both associated with breakdown of the tissue homeostasis due to impairment of the blood-brain barrier, osmotic imbalance, inflammatory processes, oxidative stress, excitotoxicity, and apoptotic cell death, ultimately resulting in a loss of tissue functionality. The present study provides an updated review concerning the roles of brain edema, inflammation, excitotoxicity, and oxidative stress on brain changes resulting from a TBI. The proper characterization of the phenomena resulting from TBI can contribute to the improvement of care, rehabilitation and quality of life of the affected people.
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Affiliation(s)
- Marco Aurelio M. Freire
- Graduate Program in Physiological Sciences, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
| | - Gabriel Sousa Rocha
- Graduate Program in Biochemistry and Molecular Biology, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
| | - Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-900, PA, Brazil
| | - Daniel Falcao
- VCU Health Systems, Virginia Commonwealth University, 23219 Richmond, VA, USA
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-900, PA, Brazil
| | - Jose Rodolfo Lopes P. Cavalcanti
- Graduate Program in Physiological Sciences, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
- Graduate Program in Biochemistry and Molecular Biology, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
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15
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Aisa MC, Cappuccini B, Favilli A, Datti A, Nardicchi V, Coata G, Gerli S. Biochemical and Anthropometric Parameters for the Early Recognition of the Intrauterine Growth Restriction and Preterm Neonates at Risk of Impaired Neurodevelopment. Int J Mol Sci 2023; 24:11549. [PMID: 37511307 PMCID: PMC10380875 DOI: 10.3390/ijms241411549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND S100B and Tau are implicated with both brain growth and injury. Their urinary levels in 30-to-40-day-old full-term, preterm, IUGR, and preterm-IUGR subjects were measured to investigate their possible relationship with future delayed neurodevelopment. METHODS Values were related to the neuro-behavioral outcome at two years of age, as well as to brain volumes and urinary NGF assessed at the same postnatal time point. RESULTS Using the Griffiths III test, cognitive and motor performances were determined to establish subgroups characterized by either normal or impaired neuro-behavior. The latter included preterm, IUGR, and preterm-IUGR individuals who exhibited significantly higher and lower S100B and Tau levels, respectively, along with markedly reduced cerebral volumes and urinary NGF, as previously demonstrated. Contrary to NGF, however, Tau and S100B displayed a weak correlation with brain volumes. CONCLUSIONS Delayed cognitive and motor performances observed in two-year-old preterm and IUGR-born individuals were also found to be associated with anomalous urinary levels of S100B and Tau, assessed at 30-40 days of the postnatal period, and their changes did not correlate with brain growth. Thus, our data suggests that, in addition to cerebral volumes and NGF, urinary S100B and Tau can also be considered as valuable parameters for the early detection of future neurodevelopmental abnormalities.
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Affiliation(s)
- Maria Cristina Aisa
- Department of Surgical and Biomedical Sciences, Section of Obstetrics and Gynecology, University of Perugia, 06129 Perugia, Italy
- GeBiSa, Research Foundation, 06129 Perugia, Italy
- Centre of Perinatal and Reproductive Medicine, University of Perugia, 06129 Perugia, Italy
| | | | - Alessandro Favilli
- Department of Surgical and Biomedical Sciences, Section of Obstetrics and Gynecology, University of Perugia, 06129 Perugia, Italy
- GeBiSa, Research Foundation, 06129 Perugia, Italy
- Centre of Perinatal and Reproductive Medicine, University of Perugia, 06129 Perugia, Italy
| | - Alessandro Datti
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121 Perugia, Italy
| | | | - Giuliana Coata
- Department of Surgical and Biomedical Sciences, Section of Obstetrics and Gynecology, University of Perugia, 06129 Perugia, Italy
- Centre of Perinatal and Reproductive Medicine, University of Perugia, 06129 Perugia, Italy
| | - Sandro Gerli
- Department of Surgical and Biomedical Sciences, Section of Obstetrics and Gynecology, University of Perugia, 06129 Perugia, Italy
- GeBiSa, Research Foundation, 06129 Perugia, Italy
- Centre of Perinatal and Reproductive Medicine, University of Perugia, 06129 Perugia, Italy
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16
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Michetti F, Clementi ME, Di Liddo R, Valeriani F, Ria F, Rende M, Di Sante G, Romano Spica V. The S100B Protein: A Multifaceted Pathogenic Factor More Than a Biomarker. Int J Mol Sci 2023; 24:ijms24119605. [PMID: 37298554 DOI: 10.3390/ijms24119605] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/29/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
S100B is a calcium-binding protein mainly concentrated in astrocytes in the nervous system. Its levels in biological fluids are recognized as a reliable biomarker of active neural distress, and more recently, mounting evidence points to S100B as a Damage-Associated Molecular Pattern molecule, which, at high concentration, triggers tissue reactions to damage. S100B levels and/or distribution in the nervous tissue of patients and/or experimental models of different neural disorders, for which the protein is used as a biomarker, are directly related to the progress of the disease. In addition, in experimental models of diseases such as Alzheimer's and Parkinson's diseases, amyotrophic lateral sclerosis, multiple sclerosis, traumatic and vascular acute neural injury, epilepsy, and inflammatory bowel disease, alteration of S100B levels correlates with the occurrence of clinical and/or toxic parameters. In general, overexpression/administration of S100B worsens the clinical presentation, whereas deletion/inactivation of the protein contributes to the amelioration of the symptoms. Thus, the S100B protein may be proposed as a common pathogenic factor in different disorders, sharing different symptoms and etiologies but appearing to share some common pathogenic processes reasonably attributable to neuroinflammation.
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Affiliation(s)
- Fabrizio Michetti
- Department of Neuroscience, Catholic University of the Sacred Heart, 00168 Rome, Italy
- IRCCS San Raffaele Scientific Institute, Università Vita-Salute San Raffaele, 20132 Milan, Italy
- Department of Medicine, LUM University, 70010 Casamassima, Italy
- Genes, Via Venti Settembre 118, 00187 Roma, Italy
| | | | - Rosa Di Liddo
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy
| | - Federica Valeriani
- Laboratory of Epidemiology and Biotechnologies, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy
| | - Francesco Ria
- Department of Translational Medicine and Surgery, Section of General Pathology, Catholic University of the Sacred Heart, 00168 Rome, Italy
| | - Mario Rende
- Department of Medicine and Surgery, Section of Human, Clinical and Forensic Anatomy, University of Perugia, 06132 Perugia, Italy
| | - Gabriele Di Sante
- Department of Medicine and Surgery, Section of Human, Clinical and Forensic Anatomy, University of Perugia, 06132 Perugia, Italy
| | - Vincenzo Romano Spica
- Laboratory of Epidemiology and Biotechnologies, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy
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17
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Alghamdi MA, AL-Eitan LN, Tarkhan AH. Integrative analysis of gene expression and DNA methylation to identify biomarkers of non-genital warts induced by low-risk human papillomaviruses infection. Heliyon 2023; 9:e16101. [PMID: 37215908 PMCID: PMC10196596 DOI: 10.1016/j.heliyon.2023.e16101] [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: 02/08/2023] [Revised: 05/02/2023] [Accepted: 05/05/2023] [Indexed: 05/24/2023] Open
Abstract
Background Human papillomaviruses have been shown to dysregulate the gene expression and DNA methylation profiles of their host cells over the course of infection. However, there is a lack of information on the impact of low-risk HPV infection and wart formation on host cell's expression and methylation patterns. Therefore, the objective of this study is to analyse the genome and methylome of common warts using an integrative approach. Methods In the present study, gene expression (GSE136347) and methylation (GSE213888) datasets of common warts were obtained from the GEO database. Identification of the differentially expressed and differentially methylated genes was carried out using the RnBeads R package and the edgeR Bioconductor package. Next, functional annotation of the identified genes was obtained using the Database for Annotation, Visualization, and Integrated Discovery (DAVID). Network construction and analyses of the gene-gene, protein-protein, and signaling interactions of the differentially expressed and differentially methylated genes was performed using the GeneMANIA web interface, the Search Tool for the Retrieval of Interacting Genes/Proteins (STRING) database, and the Signaling Network Open Resource 2.0 (SIGNOR 2.0), respectively. Lastly, significant hub genes were identified using the Cytoscape application CytoHubba. Results A total of 276 genes were identified as differentially expressed and differentially methylated in common warts, with 52% being upregulated and hypermethylated. Functional enrichment analysis identified extracellular components as the most enriched annotations, while network analyses identified ELN, ITGB1, TIMP1, MMP2, LGALS3, COL1A1 and ANPEP as significant hub genes. Conclusions To the best knowledge of the authors, this is the first integrative study to be carried out on non-genital warts induced by low-risk HPV types. Future studies are required to re-validate the findings in larger populations using alternative approaches.
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Affiliation(s)
- Mansour A. Alghamdi
- Department of Anatomy, College of Medicine, King Khalid University, Abha, 61421, Saudi Arabia
- Genomics and Personalized Medicine Unit, College of Medicine, King Khalid University, Abha, 61421, Saudi Arabia
| | - Laith N. AL-Eitan
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid, 22110, Jordan
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, 22110, Jordan
| | - Amneh H. Tarkhan
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid, 22110, Jordan
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18
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Silva RC, da Rosa MM, Leão HI, Silva EDL, Ferreira NT, Albuquerque APB, Duarte GS, Siqueira AM, Pereira MC, Rêgo MJBM, Pitta MGR. Brain damage serum biomarkers induced by COVID-19 in patients from northeast Brazil. J Neurovirol 2023; 29:180-186. [PMID: 36719594 PMCID: PMC9888322 DOI: 10.1007/s13365-023-01119-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/15/2023] [Accepted: 01/21/2023] [Indexed: 02/01/2023]
Abstract
Neurological symptoms have been often reported in COVID-19 disease. In the present study, we evaluated brain damage associated with the increase of serum levels of neurological biomarkers S100B and neuron-specific enolase (NSE) induced by SARS-CoV-2 infection, in a population from Northeastern Brazil. Thirty-six healthy control (G1) individuals and 141 patients with confirmed COVID-19 were enrolled in this study. Positive-COVID-19 patients were divided into two groups according to the severity of illness by the National Institute of Health (NIH) criteria, 76 patients with mild symptoms for COVID-19 and (G2) and 65 with acute respiratory conditions requiring supplemental oxygenation via intensive care unit (ICU) admission (G3). A follow-up study was conducted with 23 patients from G2 14 (D14) and 21 (D21) days after the onset of symptoms. Serum levels of NSE and S100B were measured using the enzyme-linked immunoassay method (ELISA). Results revealed a significant positive association between G3 patients and S100B serum expression (p = 0.0403). The serum levels of NSE were also significantly enhanced in the G3 group compared to the control (p < 0.0001) and G2 group (p < 0.0001). In addition, clinical features such as symptoms and oxygenation status were not correlated with NSE or S100B serum expression. The follow-up study demonstrated a decrease over time (21 days) in NSE serum expression (p < 0.0001). These results suggest that brain damage is followed by acute virus exposure, with no long-term effects. Future work examining COVID-19 recovery will shed light on chronic neurological damage of SARS-CoV-2 infection.
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Affiliation(s)
- Ryan C Silva
- Laboratory of Immunomodulation and New Therapeutic Approaches (LINAT), Research Center in Immunomodulation and New Therapeutic Approaches Suely Galdino (Nupit SG), Federal University of Pernambuco (UFPE), Recife, PE, Brazil
| | - Michelle M da Rosa
- Laboratory of Immunomodulation and New Therapeutic Approaches (LINAT), Research Center in Immunomodulation and New Therapeutic Approaches Suely Galdino (Nupit SG), Federal University of Pernambuco (UFPE), Recife, PE, Brazil.
- Biochemistry Department, Federal University of Pernambuco (UFPE), Recife, PE, Brazil.
| | - Heloísa I Leão
- Laboratory of Immunomodulation and New Therapeutic Approaches (LINAT), Research Center in Immunomodulation and New Therapeutic Approaches Suely Galdino (Nupit SG), Federal University of Pernambuco (UFPE), Recife, PE, Brazil
| | - Eduardo D L Silva
- Laboratory of Immunomodulation and New Therapeutic Approaches (LINAT), Research Center in Immunomodulation and New Therapeutic Approaches Suely Galdino (Nupit SG), Federal University of Pernambuco (UFPE), Recife, PE, Brazil
| | - Nathália T Ferreira
- Laboratory of Immunomodulation and New Therapeutic Approaches (LINAT), Research Center in Immunomodulation and New Therapeutic Approaches Suely Galdino (Nupit SG), Federal University of Pernambuco (UFPE), Recife, PE, Brazil
| | - Amanda P B Albuquerque
- Laboratory of Immunomodulation and New Therapeutic Approaches (LINAT), Research Center in Immunomodulation and New Therapeutic Approaches Suely Galdino (Nupit SG), Federal University of Pernambuco (UFPE), Recife, PE, Brazil
| | - Gisele S Duarte
- Instituto Nacional de Infectologia Evandro Chagas: INI - Fiocruz, Rio de Janeiro, Brazil
| | - André M Siqueira
- Instituto Nacional de Infectologia Evandro Chagas: INI - Fiocruz, Rio de Janeiro, Brazil
| | - Michelly C Pereira
- Laboratory of Immunomodulation and New Therapeutic Approaches (LINAT), Research Center in Immunomodulation and New Therapeutic Approaches Suely Galdino (Nupit SG), Federal University of Pernambuco (UFPE), Recife, PE, Brazil
- Physiology and Pharmacology Department, Federal University of Pernambuco (UFPE), Recife, PE, Brazil
| | - Moacyr J B M Rêgo
- Laboratory of Immunomodulation and New Therapeutic Approaches (LINAT), Research Center in Immunomodulation and New Therapeutic Approaches Suely Galdino (Nupit SG), Federal University of Pernambuco (UFPE), Recife, PE, Brazil
- Biochemistry Department, Federal University of Pernambuco (UFPE), Recife, PE, Brazil
| | - Maira G R Pitta
- Laboratory of Immunomodulation and New Therapeutic Approaches (LINAT), Research Center in Immunomodulation and New Therapeutic Approaches Suely Galdino (Nupit SG), Federal University of Pernambuco (UFPE), Recife, PE, Brazil
- Biochemistry Department, Federal University of Pernambuco (UFPE), Recife, PE, Brazil
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19
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Clementi ME, Sampaolese B, Di Sante G, Ria F, Di Liddo R, Romano Spica V, Michetti F. S100B Expression Plays a Crucial Role in Cytotoxicity, Reactive Oxygen Species Generation and Nitric Oxide Synthase Activation Induced by Amyloid β-Protein in an Astrocytoma Cell Line. Int J Mol Sci 2023; 24:ijms24065213. [PMID: 36982288 PMCID: PMC10049549 DOI: 10.3390/ijms24065213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 03/12/2023] Open
Abstract
S100B is an astrocytic cytokine that has been shown to be involved in several neurodegenerative diseases. We used an astrocytoma cell line (U373 MG) silenced for S100B, and stimulated it with amyloid beta-peptide (Aβ) as a known paradigm factor for astrocyte activation, and showed that the ability of the cell (including the gene machinery) to express S100B is a prerequisite for inducing reactive astrocytic features, such as ROS generation, NOS activation and cytotoxicity. Our results showed that control astrocytoma cell line exhibited overexpression of S100B after Aβ treatment, and subsequently cytotoxicity, increased ROS generation and NOS activation. In contrast, cells silenced with S100B were essentially protected, consistently reducing cell death, significantly decreasing oxygen radical generation and nitric oxide synthase activity. The conclusive aim of the present study was to show a causative linkage between the cell expression of S100B and induction of astrocyte activation processes, such as cytotoxicity, ROS and NOS activation.
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Affiliation(s)
- Maria Elisabetta Clementi
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta” (SCITEC-CNR), 00168 Rome, Italy
- Correspondence: (M.E.C.); (F.M.); Tel.: +39-06-30154215 (M.E.C.); +39-06-301558489 (F.M.)
| | - Beatrice Sampaolese
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta” (SCITEC-CNR), 00168 Rome, Italy
| | - Gabriele Di Sante
- Department of Medicine and Surgery, Section of Human, Clinical and Forensic Anatomy, University of Perugia, 06132 Perugia, Italy
| | - Francesco Ria
- Department of Translational Medicine and Surgery, Section of General Pathology, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Rosa Di Liddo
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy
| | - Vincenzo Romano Spica
- Laboratory of Epidemiology and Biotechnologies, Department of Movement, Human and Health Scences, University of Rome “Foro Italico”, 00135 Rome, Italy
| | - Fabrizio Michetti
- Department of Neuroscience, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
- IRCCS San Raffaele Scientific Institute, Università Vita-Salute San Raffaele, 20132 Milan, Italy
- Department of Medicine, LUM University, 70010 Casamassima, Italy
- Correspondence: (M.E.C.); (F.M.); Tel.: +39-06-30154215 (M.E.C.); +39-06-301558489 (F.M.)
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20
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Dahal A, Govindarajan K, Kar S. Administration of Kainic Acid Differentially Alters Astrocyte Markers and Transiently Enhanced Phospho-tau Level in Adult Rat Hippocampus. Neuroscience 2023; 516:27-41. [PMID: 36805001 DOI: 10.1016/j.neuroscience.2023.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 02/04/2023] [Accepted: 02/12/2023] [Indexed: 02/18/2023]
Abstract
Kainic acid (KA), an analogue of the excitatory neurotransmitter glutamate, when administered systemically can trigger seizures and neuronal loss in a manner that mirrors the neuropathology of human mesial temporal lobe epilepsy (mTLE), which affects ∼50 million people globally. Evidence suggests that changes in astrocytes which precede neuronal damage play an important role in the degeneration of neurons and/or development of seizures in TLE pathogenesis. Additionally, a role for microtubule associated tau protein, involved in various neurodegenerative diseases including Alzheimer's disease, has also been suggested in the development of seizure and/or neurodegeneration in TLE pathogenesis. At present, possible alterations of different subtypes of astrocytes and their association, if any, with tau protein in TLE remain unclear. In this study, we evaluated alterations of different subtypes of astrocytes and phospho-/cleaved-tau levels in KA-treated rat model of TLE. Our results reveal that levels/expression of various astrocyte markers such as GFAP, vimentin, S100B, Aldh1L1, but not GS, are increased in the hippocampus of KA-treated rats. The levels/expression of both A1(C3+) and A2(S100A10+)-like astrocytes are also increased in KA-treated rats. Concurrently, the total (Tau1 and Tau5) and phospho-tau (AT270 and PHF1) levels are transiently enhanced following KA administration. Furthermore, the level/expression of cleaved-tau, which is apparent in a subset of GFAP-, S100B- and A2-positive astrocytes, are increased in KA-treated rats. These results, taken together, suggest a differential role for various astrocytic subpopulations and tau protein in the development of seizure and/or loss of neurons in KA model of TLE and possibly in human mTLE pathogenesis.
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Affiliation(s)
- Abhishek Dahal
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Alberta T6G 2M8, Canada; Centre for Prions and Protein Folding Disease, University of Alberta, Edmonton, Alberta T6G 2M8, Canada
| | - Karthivashan Govindarajan
- Centre for Prions and Protein Folding Disease, University of Alberta, Edmonton, Alberta T6G 2M8, Canada; Department of Medicine, University of Alberta, Edmonton, Alberta T6G 2M8, Canada
| | - Satyabrata Kar
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Alberta T6G 2M8, Canada; Centre for Prions and Protein Folding Disease, University of Alberta, Edmonton, Alberta T6G 2M8, Canada; Department of Medicine, University of Alberta, Edmonton, Alberta T6G 2M8, Canada.
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21
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S100B Affects Gut Microbiota Biodiversity. Int J Mol Sci 2023; 24:ijms24032248. [PMID: 36768570 PMCID: PMC9916897 DOI: 10.3390/ijms24032248] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/25/2023] Open
Abstract
This in vivo study in mice addresses the relationship between the biodiversity of the microbiota and the levels of S100B, a protein present in enteroglial cells, but also in foods such as milk. A positive significant correlation was observed between S100B levels and Shannon values, which was reduced after treatment with Pentamidine, an inhibitor of S100B function, indicating that the correlation was influenced by the modulation of S100B activity. Using the bootstrap average method based on the distribution of the S100B concentration, three groups were identified, exhibiting a significant difference between the microbial profiles. Operational taxonomic units, when analyzed by SIMPER analysis, showed that genera regarded to be eubiotic were mainly concentrated in the intermediate group, while genera potentially harboring pathobionts often appeared to be more concentrated in groups where the S100B amounts were very low or high. Finally, in a pilot experiment, S100B was administered orally, and the microbial profiles appeared to be modified accordingly. These data may open novel perspectives involving the possibility of S100B-mediated regulation in the intestinal microbiota.
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22
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Rostgaard N, Olsen MH, Ottenheijm M, Drici L, Simonsen AH, Plomgaard P, Gredal H, Poulsen HH, Zetterberg H, Blennow K, Hasselbalch SG, MacAulay N, Juhler M. Differential proteomic profile of lumbar and ventricular cerebrospinal fluid. Fluids Barriers CNS 2023; 20:6. [PMID: 36670437 PMCID: PMC9863210 DOI: 10.1186/s12987-022-00405-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 12/29/2022] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Pathological cerebral conditions may manifest in altered composition of the cerebrospinal fluid (CSF). Although diagnostic CSF analysis seeks to establish pathological disturbances in the brain proper, CSF is generally sampled from the lumbar compartment for reasons of technical ease and ethical considerations. We here aimed to compare the molecular composition of CSF obtained from the ventricular versus the lumbar CSF compartments to establish a relevance for employing lumbar CSF as a proxy for the CSF bathing the brain tissue. METHODS CSF was collected from 46 patients with idiopathic normal pressure hydrocephalus (iNPH) patients during their diagnostic workup (lumbar samples) and in connection with their subsequent CSF diversion shunt surgery (ventricular samples). The mass-spectrometry-based proteomic profile was determined in these samples and in addition, selected biomarkers were quantified with ELISA (S100B, neurofilament light (NfL), amyloid-β (Aβ40, Aβ42), and total tau (T-tau) and phosphorylated tau (P-tau) forms). The latter analysis was extended to include paired porcine samples obtained from the lumbar compartment and the cerebromedullary cistern closely related to the ventricles. RESULTS In total 1231 proteins were detected in the human CSF. Of these, 216 distributed equally in the two CSF compartments, whereas 22 were preferentially (or solely) present in the ventricular CSF and four in the lumbar CSF. The selected biomarkers of neurodegeneration and Alzheimer's disease displayed differential distribution, some with higher (S100B, T-tau, and P-tau) and some with lower (NfL, Aβ40, Aβ42) levels in the ventricular compartment. In the porcine samples, all biomarkers were most abundant in the lumbar CSF. CONCLUSIONS The overall proteomic profile differs between the ventricular and the lumbar CSF compartments, and so does the distribution of clinically employed biomarkers. However, for a range of CSF proteins and biomarkers, one can reliably employ lumbar CSF as a proxy for ventricular CSF if or a lumbar/cranial index for the particular molecule has been established. It is therefore important to verify the compartmental preference of the proteins or biomarkers of interest prior to extrapolating from lumbar CSF to that of the ventricular fluid bordering the brain.
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Affiliation(s)
- Nina Rostgaard
- grid.475435.4Department of Neurosurgery, The Neuroscience Centre, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Markus Harboe Olsen
- grid.475435.4Department of Neuroanaesthesiology, The Neuroscience Centre, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Maud Ottenheijm
- grid.5254.60000 0001 0674 042XNNF Center for Protein Research, University of Copenhagen, Copenhagen, Denmark ,grid.475435.4Department of Clinical Biochemistry, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Lylia Drici
- grid.5254.60000 0001 0674 042XNNF Center for Protein Research, University of Copenhagen, Copenhagen, Denmark ,grid.475435.4Department of Clinical Biochemistry, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Anja Hviid Simonsen
- grid.475435.4Danish Dementia Research Centre, Department of Neurology, Neuroscience Centre, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Peter Plomgaard
- grid.475435.4Department of Clinical Biochemistry, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Hanne Gredal
- grid.5254.60000 0001 0674 042XDepartment of Veterinary Clinical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Helle Harding Poulsen
- grid.5254.60000 0001 0674 042XDepartment of Veterinary Clinical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Henrik Zetterberg
- grid.8761.80000 0000 9919 9582Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Gothenburg, Sweden ,grid.1649.a000000009445082XClinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Gothenburg, Sweden ,grid.83440.3b0000000121901201Department of Neurodegenerative Disease, UCL Institute of Neurology, Queen Square, London, UK ,grid.83440.3b0000000121901201UK Dementia Research Institute at UCL, London, UK ,grid.24515.370000 0004 1937 1450Hong Kong Center for Neurodegenerative Diseases, Clear Water Bay, Hong Kong, China
| | - Kaj Blennow
- grid.8761.80000 0000 9919 9582Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Gothenburg, Sweden ,grid.1649.a000000009445082XClinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Gothenburg, Sweden
| | - Steen Gregers Hasselbalch
- grid.475435.4Danish Dementia Research Centre, Department of Neurology, Neuroscience Centre, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark ,grid.5254.60000 0001 0674 042XDepartment of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Nanna MacAulay
- grid.5254.60000 0001 0674 042XDepartment of Neuroscience, University of Copenhagen, Copenhagen, Denmark
| | - Marianne Juhler
- grid.475435.4Department of Neurosurgery, The Neuroscience Centre, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark ,grid.5254.60000 0001 0674 042XDepartment of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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23
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Bersani I, Gasparroni G, Bashir M, Aboulgar H, Mufeed H, Iskander I, Kornacka M, Gruzfeld D, Dotta A, Campi F, Longo D, Savarese I, Braguglia A, Tina LG, Nigro F, Serpero L, Strozzi MC, Maconi A, Ianniello P, Di Battista C, D'Adamo E, Gavilanes D, Gazzolo D. Early predictors of abnormal MRI patterns in asphyxiated infants: S100B protein urine levels. Clin Chem Lab Med 2022; 60:1745-1752. [PMID: 35977430 DOI: 10.1515/cclm-2022-0559] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/05/2022] [Indexed: 11/15/2022]
Abstract
OBJECTIVES The early detection and stratification of asphyxiated infants at higher risk for impaired neurodevelopment is challenging. S100B protein is a well-established biomarker of brain damage, but lacks conclusive validation according to the "gold standard" methodology for hypoxic-ischemic encephalopathy (HIE) prognostication, i.e. brain MRI. The aim of the present study was to investigate the predictive role of urinary S100B concentrations, assessed in a cohort of HIE infants receiving therapeutic hypothermia (TH), compared to brain MRI. METHODS Assessment of urine S100B concentrations was performed by immunoluminometric assay at first void and at 4, 8, 12, 16, 20, 24, 48, 72, 96, 108 and 120-h after birth. Neurologic evaluation, routine laboratory parameters, amplitude-integrated electroencephalography, and cerebral ultrasound were performed according to standard protocols. Brain MRI was performed at 7-10 days of life. RESULTS Overall, 74 HIE neonates receiving TH were included in the study. S100B correlated, already at first void, with the MRI patterns with higher concentrations in infants with the most severe MRI lesions. CONCLUSIONS High S100B urine levels soon after birth constitute trustable predictors of brain injury as confirmed by MRI. Results support the reliability of S100B in clinical daily practice and open the way to its inclusion in the panel of parameters used for the selection of cases suitable for TH treatment.
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Affiliation(s)
- Iliana Bersani
- Department of Neonatology, Neonatal Intensive Care Unit, Bambino Gesù; Children's Hospital, Rome, Italy
| | | | - Moataza Bashir
- Department of Neonatology, Cairo University, Cairo, Egypt
| | - Hanna Aboulgar
- Department of Neonatology, Cairo University, Cairo, Egypt
| | - Hala Mufeed
- Department of Neonatology, Cairo University, Cairo, Egypt
| | - Iman Iskander
- Department of Neonatology, Cairo University, Cairo, Egypt
| | - Maria Kornacka
- Department of Neonatology and Intensive Care of Neonate, Warsaw University, Warsaw, Poland
| | - Darek Gruzfeld
- Department of Neonatology and Intensive Care of Neonate, Warsaw University, Warsaw, Poland
| | - Andrea Dotta
- Department of Neonatology, Neonatal Intensive Care Unit, Bambino Gesù; Children's Hospital, Rome, Italy
| | - Francesca Campi
- Department of Neonatology, Neonatal Intensive Care Unit, Bambino Gesù; Children's Hospital, Rome, Italy
| | - Daniela Longo
- Neuroradiology Unit, Department of Imaging, Bambino Gesù; Children's Hospital, Rome, Italy
| | - Immacolata Savarese
- Department of Neonatology, Neonatal Intensive Care Unit, Bambino Gesù; Children's Hospital, Rome, Italy
| | - Annabella Braguglia
- Department of Neonatology, Neonatal Intensive Care Unit, Bambino Gesù; Children's Hospital, Rome, Italy
| | - Lucia Gabriella Tina
- Department of Maternal Fetal and Neonatal Health, G. Garibaldi Hospital, Catania, Italy
| | - Francesco Nigro
- Department of Maternal Fetal and Neonatal Health, G. Garibaldi Hospital, Catania, Italy
| | - Laura Serpero
- Department of Maternal Fetal and Neonatal Medicine C. Arrigo Children's Hospital, Alessandria, Italy
| | - Maria Chiara Strozzi
- Department of Maternal Fetal and Neonatal Medicine C. Arrigo Children's Hospital, Alessandria, Italy
| | - Antonio Maconi
- Department of Maternal Fetal and Neonatal Medicine C. Arrigo Children's Hospital, Alessandria, Italy
| | - Patrizia Ianniello
- Department of Maternal Fetal and Neonatal Medicine C. Arrigo Children's Hospital, Alessandria, Italy
| | | | - Ebe D'Adamo
- Neonatal Intensive Care Unit, G. d'Annunzio University, Chieti, Italy
| | - Danilo Gavilanes
- Department of Pediatrics and Neonatology, Maastricht University, Maastricht, The Netherlands
| | - Diego Gazzolo
- Neonatal Intensive Care Unit, G. d'Annunzio University, Chieti, Italy
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24
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Martens GA, Geßner C, Osterhof C, Hankeln T, Burmester T. Transcriptomes of Clusterin- and S100B-transfected neuronal cells elucidate protective mechanisms against hypoxia and oxidative stress in the hooded seal (Cystophora cristata) brain. BMC Neurosci 2022; 23:59. [PMID: 36243678 PMCID: PMC9571494 DOI: 10.1186/s12868-022-00744-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 10/10/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The hooded seal (Cystophora cristata) exhibits impressive diving skills and can tolerate extended durations of asphyxia, hypoxia and oxidative stress, without suffering from irreversible neuronal damage. Thus, when exposed to hypoxia in vitro, neurons of fresh cortical and hippocampal tissue from hooded seals maintained their membrane potential 4-5 times longer than neurons of mice. We aimed to identify the molecular mechanisms underlying the intrinsic neuronal hypoxia tolerance. Previous comparative transcriptomics of the visual cortex have revealed that S100B and clusterin (apolipoprotein J), two stress proteins that are involved in neurological disorders characterized by hypoxic conditions, have a remarkably high expression in hooded seals compared to ferrets. When overexpressed in murine neuronal cells (HN33), S100B and clusterin had neuroprotective effects when cells were exposed to hypoxia. However, their specific roles in hypoxia have remained largely unknown. METHODS In order to shed light on potential molecular pathways or interaction partners, we exposed HN33 cells transfected with either S100B, soluble clusterin (sCLU) or nuclear clusterin (nCLU) to normoxia, hypoxia and oxidative stress for 24 h. We then determined cell viability and compared the transcriptomes of transfected cells to control cells. Potential pathways and upstream regulators were identified via Gene Ontology (GO) and Ingenuity Pathway Analysis (IPA). RESULTS HN33 cells transfected with sCLU and S100B demonstrated improved glycolytic capacity and reduced aerobic respiration at normoxic conditions. Additionally, sCLU appeared to enhance pathways for cellular homeostasis to counteract stress-induced aggregation of proteins. S100B-transfected cells sustained lowered energy-intensive synaptic signaling. In response to hypoxia, hypoxia-inducible factor (HIF) pathways were considerably elevated in nCLU- and sCLU-transfected cells. In a previous study, S100B and sCLU decreased the amount of reactive oxygen species and lipid peroxidation in HN33 cells in response to oxidative stress, but in the present study, these functional effects were not mirrored in gene expression changes. CONCLUSIONS sCLU and S100B overexpression increased neuronal survival by decreasing aerobic metabolism and synaptic signaling in advance to hypoxia and oxidative stress conditions, possibly to reduce energy expenditure and the build-up of deleterious reactive oxygen species (ROS). Thus, a high expression of CLU isoforms and S100B is likely beneficial during hypoxic conditions.
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Affiliation(s)
- Gerrit A Martens
- Institute of Animal Cell and Systems Biology, Biocenter Grindel, University of Hamburg, 20146, Hamburg, Germany.
| | - Cornelia Geßner
- Institute of Animal Cell and Systems Biology, Biocenter Grindel, University of Hamburg, 20146, Hamburg, Germany
| | - Carina Osterhof
- Institute of Organismic and Molecular Evolution, Molecular Genetics & Genome Analysis, Johannes Gutenberg University Mainz, 55128, Mainz, Germany
| | - Thomas Hankeln
- Institute of Organismic and Molecular Evolution, Molecular Genetics & Genome Analysis, Johannes Gutenberg University Mainz, 55128, Mainz, Germany
| | - Thorsten Burmester
- Institute of Animal Cell and Systems Biology, Biocenter Grindel, University of Hamburg, 20146, Hamburg, Germany
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25
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Luo Z, Wang Y, Pang S, Gao S, Liu N, Gao X, Zhang L, Qi X, Yang Y, Zhang L. Synthesis and Bioactivity Evaluation of a Novel 1,2,4-Oxadiazole Derivative in vitro and in 3×Tg Mice. Drug Des Devel Ther 2022; 16:3285-3296. [PMID: 36187086 PMCID: PMC9521684 DOI: 10.2147/dddt.s372750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 08/22/2022] [Indexed: 11/30/2022] Open
Abstract
Aim Alzheimer’s disease (AD) is the most common neurodegenerative disease whose patients suffered from cognitive impairments. In our study, a novel 1,2,4-Oxadiazole derivative wyc-7-20 was synthesized, which showed low cytotoxicity and potent neuroprotective effect at the cellular level. Improved cognitive impairments, β-amyloid (Aβ) clearance, and tau pathological phenotypes were detected in transgenic animal models after wyc-7-20 treatment. Reversed expressions in AD-related genes were also detected. The results demonstrated wyc-7-20 was potent in AD therapy. Purpose The pathological complexity of AD increased difficulties in medical research. To explore a new potential medical treatment for AD, a novel 1,2,4-Oxadiazole derivative (wyc-7-20) was designed, synthesized to explore the application in this study. Materials and Methods Human neuroblastoma (SH-SY5Y) cells and human hepatocellular carcinoma (HepG2) cells were used to detect median lethal dose (LD50). H2O2 and Aβ1–42 oligomers (AβOs) were respectively, added into SH-SY5Y cells to detect anti-ROS (reactive oxygen species) and anti-AβOs effects of wyc-7-20. 3×Tg mice were administered with wyc-7-20, and then Y maze test and Morris water maze (MWM) test were applied to detect cognitive improvements. Brain tissue samples were subsequently collected and analyzed using different techniques. Results wyc-7-20 showed low cytotoxicity and potent neuroprotective effect at the cellular level. Improved cognitive impairments, Aβ clearance, and tau pathological phenotypes were detected in transgenic animal models after wyc-7-20 treatment. Reversed expressions in AD-related genes were also detected. Conclusion wyc-7-20 was potent in AD therapy.
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Affiliation(s)
- Zhuohui Luo
- Key Laboratory of Human Disease Comparative Medicine, National Health Commission of China (NHC), Institute of Laboratory Animal Science, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100021, People’s Republic of China
| | - Yongcheng Wang
- Beijing Key Laboratory of Active Substance Discovery and Drug Ability Evaluation, Institute of Material Medical, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, People’s Republic of China
| | - Shuo Pang
- Key Laboratory of Human Disease Comparative Medicine, National Health Commission of China (NHC), Institute of Laboratory Animal Science, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100021, People’s Republic of China
| | - Shan Gao
- Key Laboratory of Human Disease Comparative Medicine, National Health Commission of China (NHC), Institute of Laboratory Animal Science, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100021, People’s Republic of China
| | - Ning Liu
- Key Laboratory of Human Disease Comparative Medicine, National Health Commission of China (NHC), Institute of Laboratory Animal Science, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100021, People’s Republic of China
| | - Xiang Gao
- Key Laboratory of Human Disease Comparative Medicine, National Health Commission of China (NHC), Institute of Laboratory Animal Science, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100021, People’s Republic of China
| | - Li Zhang
- Key Laboratory of Human Disease Comparative Medicine, National Health Commission of China (NHC), Institute of Laboratory Animal Science, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100021, People’s Republic of China
- Neuroscience Center, Chinese Academy of Medical Sciences, Beijing, 100730, People’s Republic of China
| | - Xiaolong Qi
- Key Laboratory of Human Disease Comparative Medicine, National Health Commission of China (NHC), Institute of Laboratory Animal Science, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100021, People’s Republic of China
- Neuroscience Center, Chinese Academy of Medical Sciences, Beijing, 100730, People’s Republic of China
| | - Yajun Yang
- Beijing Key Laboratory of Active Substance Discovery and Drug Ability Evaluation, Institute of Material Medical, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100050, People’s Republic of China
- Correspondence: Yajun Yang, Institute of Material Medical, Peking Union Medical College, Chinese Academy of Medical Sciences, Nanwei Road, Xicheng District, Beijing, 100050, People’s Republic of China, Email
| | - Lianfeng Zhang
- Key Laboratory of Human Disease Comparative Medicine, National Health Commission of China (NHC), Institute of Laboratory Animal Science, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100021, People’s Republic of China
- Neuroscience Center, Chinese Academy of Medical Sciences, Beijing, 100730, People’s Republic of China
- Lianfeng Zhang, Institute of Laboratory Animal Science, Peking Union Medical College, Chinese Academy of Medical Sciences, Panjiayuan Nanli, Chaoyang District, Beijing, 100021, People’s Republic of China, Tel +86 10-87778442, Fax +86 10-67776394, Email
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26
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Kazakov AS, Sofin AD, Avkhacheva NV, Deryusheva EI, Rastrygina VA, Permyakova ME, Uversky VN, Permyakov EA, Permyakov SE. Interferon-β Activity Is Affected by S100B Protein. Int J Mol Sci 2022; 23:ijms23041997. [PMID: 35216109 PMCID: PMC8877046 DOI: 10.3390/ijms23041997] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 02/02/2022] [Accepted: 02/08/2022] [Indexed: 02/04/2023] Open
Abstract
Interferon-β (IFN-β) is a pleiotropic cytokine secreted in response to various pathological conditions and is clinically used for therapy of multiple sclerosis. Its application for treatment of cancer, infections and pulmonary diseases is limited by incomplete understanding of regulatory mechanisms of its functioning. Recently, we reported that IFN-β activity is affected by interactions with S100A1, S100A4, S100A6, and S100P proteins, which are members of the S100 protein family of multifunctional Ca2+-binding proteins possessing cytokine-like activities (Int J Mol Sci. 2020;21(24):9473). Here we show that IFN-β interacts with one more representative of the S100 protein family, the S100B protein, involved in numerous oncological and neurological diseases. The use of chemical crosslinking, intrinsic fluorescence, and surface plasmon resonance spectroscopy revealed IFN-β binding to Ca2+-loaded dimeric and monomeric forms of the S100B protein. Calcium depletion blocks the S100B–IFN-β interaction. S100B monomerization increases its affinity to IFN-β by 2.7 orders of magnitude (equilibrium dissociation constant of the complex reaches 47 pM). Crystal violet assay demonstrated that combined application of IFN-β and S100B (5–25 nM) eliminates their inhibitory effects on MCF-7 cell viability. Bioinformatics analysis showed that the direct modulation of IFN-β activity by the S100B protein described here could be relevant to progression of multiple oncological and neurological diseases.
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Affiliation(s)
- Alexey S. Kazakov
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, 142290 Moscow, Russia; (A.S.K.); (A.D.S.); (N.V.A.); (E.I.D.); (V.A.R.); (M.E.P.); (E.A.P.)
| | - Alexander D. Sofin
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, 142290 Moscow, Russia; (A.S.K.); (A.D.S.); (N.V.A.); (E.I.D.); (V.A.R.); (M.E.P.); (E.A.P.)
| | - Nadezhda V. Avkhacheva
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, 142290 Moscow, Russia; (A.S.K.); (A.D.S.); (N.V.A.); (E.I.D.); (V.A.R.); (M.E.P.); (E.A.P.)
| | - Evgenia I. Deryusheva
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, 142290 Moscow, Russia; (A.S.K.); (A.D.S.); (N.V.A.); (E.I.D.); (V.A.R.); (M.E.P.); (E.A.P.)
| | - Victoria A. Rastrygina
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, 142290 Moscow, Russia; (A.S.K.); (A.D.S.); (N.V.A.); (E.I.D.); (V.A.R.); (M.E.P.); (E.A.P.)
| | - Maria E. Permyakova
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, 142290 Moscow, Russia; (A.S.K.); (A.D.S.); (N.V.A.); (E.I.D.); (V.A.R.); (M.E.P.); (E.A.P.)
| | - Vladimir N. Uversky
- Department of Molecular Medicine, USF Health Byrd Alzheimer’s Research Institute, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
- Correspondence: (V.N.U.); (S.E.P.); Tel.: +7-(495)-143-7741 (S.E.P.); Fax: +7-(4967)-33-05-22 (S.E.P.)
| | - Eugene A. Permyakov
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, 142290 Moscow, Russia; (A.S.K.); (A.D.S.); (N.V.A.); (E.I.D.); (V.A.R.); (M.E.P.); (E.A.P.)
| | - Sergei E. Permyakov
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, 142290 Moscow, Russia; (A.S.K.); (A.D.S.); (N.V.A.); (E.I.D.); (V.A.R.); (M.E.P.); (E.A.P.)
- Correspondence: (V.N.U.); (S.E.P.); Tel.: +7-(495)-143-7741 (S.E.P.); Fax: +7-(4967)-33-05-22 (S.E.P.)
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Camponeschi C, De Carluccio M, Amadio S, Clementi ME, Sampaolese B, Volonté C, Tredicine M, Romano Spica V, Di Liddo R, Ria F, Michetti F, Di Sante G. S100B Protein as a Therapeutic Target in Multiple Sclerosis: The S100B Inhibitor Arundic Acid Protects from Chronic Experimental Autoimmune Encephalomyelitis. Int J Mol Sci 2021; 22:ijms222413558. [PMID: 34948360 PMCID: PMC8708367 DOI: 10.3390/ijms222413558] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/11/2021] [Accepted: 12/15/2021] [Indexed: 12/15/2022] Open
Abstract
S100B is an astrocytic protein behaving at high concentration as a damage-associated molecular pattern molecule. A direct correlation between the increased amount of S100B and inflammatory processes has been demonstrated, and in particular, the inhibitor of S100B activity pentamidine has been shown to ameliorate clinical scores and neuropathologic-biomolecular parameters in the relapsing-remitting experimental autoimmune encephalomyelitis mouse model of multiple sclerosis. This study investigates the effect of arundic acid (AA), a known inhibitor of astrocytic S100B synthesis, in the chronic experimental autoimmune encephalomyelitis, which is another mouse model of multiple sclerosis usually studied. By the daily evaluation of clinical scores and neuropathologic-molecular analysis performed in the spinal cord, we observed that the AA-treated group showed lower severity compared to the vehicle-treated mice, particularly in the early phase of disease onset. We also observed a significant reduction of astrocytosis, demyelination, immune infiltrates, proinflammatory cytokines expression and enzymatic oxidative reactivity in the AA-treated group. Overall, our results reinforce the involvement of S100B in the development of animal models of multiple sclerosis and propose AA targeting the S100B protein as a focused potential drug to be considered for multiple sclerosis treatment.
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Affiliation(s)
- Chiara Camponeschi
- Section of General Pathology, Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy; (C.C.); (M.D.C.); (M.T.); (G.D.S.)
| | - Maria De Carluccio
- Section of General Pathology, Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy; (C.C.); (M.D.C.); (M.T.); (G.D.S.)
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Susanna Amadio
- IRCCS Santa Lucia Foundation, Via del Fosso di Fiorano 65, 00143 Rome, Italy; (S.A.); (C.V.)
| | - Maria Elisabetta Clementi
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta” SCITEC-CNR, Largo Francesco Vito 1, 00168 Rome, Italy; (M.E.C.); (B.S.)
| | - Beatrice Sampaolese
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta” SCITEC-CNR, Largo Francesco Vito 1, 00168 Rome, Italy; (M.E.C.); (B.S.)
| | - Cinzia Volonté
- IRCCS Santa Lucia Foundation, Via del Fosso di Fiorano 65, 00143 Rome, Italy; (S.A.); (C.V.)
- National Research Council, Institute for Systems Analysis and Computer Science, Via dei Taurini 19, 00185 Rome, Italy
| | - Maria Tredicine
- Section of General Pathology, Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy; (C.C.); (M.D.C.); (M.T.); (G.D.S.)
| | - Vincenzo Romano Spica
- Department of Movement, Human and Health Sciences, Laboratory of Epidemiology and Biotechnologies, University of Rome “Foro Italico”, Piazza Lauro De Bosis 6, 00135 Rome, Italy;
| | - Rosa Di Liddo
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Via Marzolo 5, 35131 Padua, Italy;
| | - Francesco Ria
- Section of General Pathology, Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy; (C.C.); (M.D.C.); (M.T.); (G.D.S.)
- Department Laboratory and Infectious Diseases Sciences, Fondazione Policlinico Universitario, A. Gemelli IRCCS, Largo Agostino Gemelli 1–8, 00168 Rome, Italy
- Correspondence: (F.R.); (F.M.); Tel.: +39-06-3015-4914 (F.R.); +39-06-3015-5848 (F.M.)
| | - Fabrizio Michetti
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
- IRCCS San Raffaele Scientific Institute, Università Vita-Salute San Raffaele, via Olgettin 60, 20121 Milan, Italy
- Correspondence: (F.R.); (F.M.); Tel.: +39-06-3015-4914 (F.R.); +39-06-3015-5848 (F.M.)
| | - Gabriele Di Sante
- Section of General Pathology, Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy; (C.C.); (M.D.C.); (M.T.); (G.D.S.)
- Department of Surgery and Medicine, Institute of Human, Clinical and Forensic Anatomy, Piazza L. Severi 1, 06125 Perugia, Italy
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Khaitin A. Calcium in Neuronal and Glial Response to Axotomy. Int J Mol Sci 2021; 22:ijms222413344. [PMID: 34948141 PMCID: PMC8706492 DOI: 10.3390/ijms222413344] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/09/2021] [Accepted: 12/10/2021] [Indexed: 11/16/2022] Open
Abstract
Neurotrauma assumes an instant or delayed disconnection of axons (axotomy), which affects not only neurons, but surrounding glia as well. Not only mechanically injured glia near the site of disconnection, especially transection, is subjected to the damage, but also glia that is remote from the lesion site. Glial cells, which surround the neuronal body, in turn, support neuron survival, so there is a mutual protection between neuron and glia. Calcium signaling is a central mediator of all post-axotomy events, both in neuron and glia, playing a critical role in their survival/regeneration or death/degeneration. The involvement of calcium in post-axotomy survival of the remote, mechanically intact glia is poorly studied. The purpose of this review is to sum up the calcium-involving mechanisms in responses of neurons and glial cells to axotomy to show their importance and to give some suggestions for future research of remote glia in this context.
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Affiliation(s)
- Andrey Khaitin
- Academy of Biology and Biotechnology, Southern Federal University, 344090 Rostov-on-Don, Russia
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