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de Kock M, Chetty S, Sherif Isa A, Qulu-Appiah L. An investigation on the role of oxytocin in chronic neuropathic pain in a Wistar rat model. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2024; 16:100152. [PMID: 39071531 PMCID: PMC11278948 DOI: 10.1016/j.ynpai.2024.100152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 07/30/2024]
Abstract
Introduction Chemotherapy-induced peripheral neuropathy (CIPN) is a dose-limiting side effect with ineffective preventative and curative treatment. Currently, only Duloxetine has been recommended as effective treatment for CIPN, which has shown individual-dependent, short-term analgesic effects, with limiting adverse effects and poor bioavailability. The neuropeptide, oxytocin, may offer significant analgesic and anxiolytic potential, as it exerts central and peripheral attenuating effects on nociception. However, it is unknown whether the intervention administered in a model of CIPN is an effective therapeutic alternative or adjuvant. Materials and Methods The intervention was divided into two phases. Phase 1 aimed to induce CIPN in adult Wistar rats using the chemotherapeutic agent Paclitaxel. Mechanical (electronic von Frey filament) and thermal (acetone evaporation test and Hargreaves test) hypersensitivity testing were used to evaluate changes due to the neuropathic induction. Phase 2 consisted of a 14-day intervention period with saline (o.g.), duloextine (o.g.), or oxytocin (i.n.) administered as treatment. Following the intervention, anxiety-like behaviour was assessed using the elevated plus maze (EPM) and light-dark box protocols. Analysis of peripheral plasma corticosterone, peripheral plasma oxytocin, and hypothalamic oxytocin concentrations were assessed using ELISA assays. Results The findings showed that we were able to successfully establish a model of chemotherapy-induced peripheral neuropathy during Phase 1, determined by the increase in mechanical and thermal nociceptive responses following Paclitaxel administration. Furthermore, the animals treated with oxytocin displayed a significant improvement in mechanical sensitivity over the intervention phase, indicative of an improvement in nociceptive sensitivity in the presence of neuropathic pain. Animals that received Paclitaxel and treated with oxytocin also displayed significantly greater explorative behaviour during the EPM, indicative of a reduced presence of anxiety-like behaviour. Conclusion Our results support the hypothesis that intranasally administered oxytocin may augment the analgesic and anxiolytic effects of duloxetine in a chemotherapy induced peripheral neuropathy model in a Wistar rat. Future studies should consider administering the treatments in combination to observe the potential synergistic effects.
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Affiliation(s)
- Michaela de Kock
- Division of Medical Physiology, Faculty of Medicine and Health Science, Stellenbosch University, South Africa
| | - Sean Chetty
- Anaesthesiology and Critical Care, Faculty of Medicine and Health Science, Stellenbosch University, South Africa
| | - Ahmed Sherif Isa
- Department of Human Physiology, Ahmadu Bello University, Nigeria
| | - Lihle Qulu-Appiah
- Division of Medical Physiology, Faculty of Medicine and Health Science, Stellenbosch University, South Africa
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Bonaldo B, Casile A, Ostuni MT, Bettarelli M, Nasini S, Marraudino M, Panzica G, Gotti S. Perinatal exposure to bisphenol A or S: Effects on anxiety-related behaviors and serotonergic system. CHEMOSPHERE 2024; 349:140827. [PMID: 38042429 DOI: 10.1016/j.chemosphere.2023.140827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 11/06/2023] [Accepted: 11/26/2023] [Indexed: 12/04/2023]
Abstract
Bisphenols, synthetic organic compounds used in the production of plastics, are an extremely abundant class of Endocrine Disrupting Chemicals, i.e., exogenous chemicals or mixtures of chemicals that can interfere with any aspect of hormone action. Exposure to BPs can lead to a wide range of effects, and it is especially dangerous if it occurs during specific critical periods of life. Focusing on the perinatal exposure to BPA or its largely used substitute BPS, we investigated the effects on anxiety-related behaviors and the serotonergic system, which is highly involved in controlling these behaviors, in adult mice. We treated C57BL/6J dams orally with a dose of 4 μg/kg body weight/day (i.e., EFSA TDI) of BPA or BPS dissolved in corn oil or with vehicle alone, at the onset of mating and continued treatment until the offspring were weaned. Adult offspring of both sexes performed the elevated plus maze and the open field tests. Then, we analyzed the serotonergic system in dorsal (DR) and median (MnR) raphe nuclei by immunohistochemical techniques. Behavioral tests highlighted alterations in BPA- and BPS-treated mice, suggesting different effects of the bisphenols exposure on anxiety-related behavior in males (anxiolytic) and females (anxiogenic). The analysis of the serotonergic system highlighted a sex dimorphism in the DR only, with control females showing higher values of serotonin immunoreactivity (5-HT-ir) than control males. BPA-treated males displayed a significant increase of 5-HT-ir in all analyzed nuclei, whereas BPS-treated males showed an increase in ventral DR only. In females, both bisphenols-treated groups showed a significant increase of 5-HT-ir in dorsal DR compared to the controls, and BPA-treated females also showed a significant increase in MnR.These results provide evidence that exposure during the early phases of life to BPA or BPS alters anxiety and the raphe serotonergic neurons in a sex-dependent manner.
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Affiliation(s)
- Brigitta Bonaldo
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano, Turin, Italy; Department of Neuroscience "Rita Levi-Montalcini", University of Turin, Via Cherasco 15, 10126, Turin, Italy; Department of Health Sciences and Research Center on Autoimmune and Allergic Diseases (CAAD), University of Piemonte Orientale (UPO), Novara, Italy.
| | - Antonino Casile
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano, Turin, Italy; Department of Neuroscience "Rita Levi-Montalcini", University of Turin, Via Cherasco 15, 10126, Turin, Italy; School of Pharmacy, Pharmacology Unit, University of Camerino, Via Madonna delle Carceri, 9, Camerino, 62032, Italy
| | - Marialaura Teresa Ostuni
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano, Turin, Italy
| | - Martina Bettarelli
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano, Turin, Italy
| | - Sofia Nasini
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Largo Meneghetti 2, 35131, Padua, PD, Italy
| | - Marilena Marraudino
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano, Turin, Italy; Department of Neuroscience "Rita Levi-Montalcini", University of Turin, Via Cherasco 15, 10126, Turin, Italy
| | - GianCarlo Panzica
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano, Turin, Italy; Department of Neuroscience "Rita Levi-Montalcini", University of Turin, Via Cherasco 15, 10126, Turin, Italy
| | - Stefano Gotti
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano, Turin, Italy; Department of Neuroscience "Rita Levi-Montalcini", University of Turin, Via Cherasco 15, 10126, Turin, Italy
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Elser BA, Kayali K, Dhakal R, O'Hare B, Wang K, Lehmler HJ, Stevens HE. Combined Maternal Exposure to Cypermethrin and Stress Affect Embryonic Brain and Placental Outcomes in Mice. Toxicol Sci 2021; 175:182-196. [PMID: 32191333 DOI: 10.1093/toxsci/kfaa040] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Prenatal exposure to cypermethrin is a risk factor for adverse neurodevelopmental outcomes in children. In addition, maternal psychological stress during pregnancy has significant effects on fetal neurodevelopment and may influence end-stage toxicity to offspring by altering maternal xenobiotic metabolism. As such, this study examined effects of maternal exposure to alpha-cypermethrin and stress, alone and in combination, on offspring development, with a focus on fetal neurotoxicity. CD1 mouse dams were administered 10 mg/kg alpha-cypermethrin or corn oil vehicle via oral gavage from embryonic day 11 (E11) to E14. In addition, dams from each treatment were subjected to a standard model of restraint stress from E12 to E14. Cypermethrin treatment impaired fetal growth, reduced fetal forebrain volume, and increased ventral forebrain proliferative zone volume, the latter effects driven by combined exposure with stress. Cypermethrin also impaired migration of GABAergic progenitors, with different transcriptional changes alone and in combination with stress. Stress and cypermethrin also interacted in effects on embryonic microglia morphology. In addition, levels of cypermethrin were elevated in the serum of stressed dams, which was accompanied by interacting effects of cypermethrin and stress on hepatic expression of cytochrome P450 enzymes. Levels of cypermethrin in amniotic fluid were below the limit of quantification, suggesting minimal transfer to fetal circulation. Despite this, cypermethrin increased placental malondialdehyde levels and increased placental expression of genes responsive to oxidative stress, effects significantly modified by stress exposure. These findings suggest a role for interaction between maternal exposures to cypermethrin and stress on offspring neurodevelopment, involving indirect mechanisms in the placenta and maternal liver.
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Affiliation(s)
- Benjamin A Elser
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College.,Department of Psychiatry, Carver College of Medicine
| | - Khaled Kayali
- Department of Psychiatry, Carver College of Medicine
| | - Ram Dhakal
- Department of Occupational and Environmental Health
| | - Bailey O'Hare
- Department of Psychiatry, Carver College of Medicine
| | - Kai Wang
- Department of Biostatistics, College of Public Health, The University of Iowa, Iowa City, Iowa 52242
| | - Hans-Joachim Lehmler
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College.,Department of Occupational and Environmental Health
| | - Hanna E Stevens
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College.,Department of Psychiatry, Carver College of Medicine
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Mustieles V, D'Cruz SC, Couderq S, Rodríguez-Carrillo A, Fini JB, Hofer T, Steffensen IL, Dirven H, Barouki R, Olea N, Fernández MF, David A. Bisphenol A and its analogues: A comprehensive review to identify and prioritize effect biomarkers for human biomonitoring. ENVIRONMENT INTERNATIONAL 2020; 144:105811. [PMID: 32866736 DOI: 10.1016/j.envint.2020.105811] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 04/24/2020] [Accepted: 05/07/2020] [Indexed: 05/21/2023]
Abstract
Human biomonitoring (HBM) studies have demonstrated widespread and daily exposure to bisphenol A (BPA). Moreover, BPA structural analogues (e.g. BPS, BPF, BPAF), used as BPA replacements, are being increasingly detected in human biological matrices. BPA and some of its analogues are classified as endocrine disruptors suspected of contributing to adverse health outcomes such as altered reproduction and neurodevelopment, obesity, and metabolic disorders among other developmental and chronic impairments. One of the aims of the H2020 European Human Biomonitoring Initiative (HBM4EU) is the implementation of effect biomarkers at large scales in future HBM studies in a systematic and standardized way, in order to complement exposure data with mechanistically-based biomarkers of early adverse effects. This review aimed to identify and prioritize existing biomarkers of effect for BPA, as well as to provide relevant mechanistic and adverse outcome pathway (AOP) information in order to cover knowledge gaps and better interpret effect biomarker data. A comprehensive literature search was performed in PubMed to identify all the epidemiologic studies published in the last 10 years addressing the potential relationship between bisphenols exposure and alterations in biological parameters. A total of 5716 references were screened, out of which, 119 full-text articles were analyzed and tabulated in detail. This work provides first an overview of all epigenetics, gene transcription, oxidative stress, reproductive, glucocorticoid and thyroid hormones, metabolic and allergy/immune biomarkers previously studied. Then, promising effect biomarkers related to altered neurodevelopmental and reproductive outcomes including brain-derived neurotrophic factor (BDNF), kisspeptin (KiSS), and gene expression of nuclear receptors are prioritized, providing mechanistic insights based on in vitro, animal studies and AOP information. Finally, the potential of omics technologies for biomarker discovery and its implications for risk assessment are discussed. To the best of our knowledge, this is the first effort to comprehensively identify bisphenol-related biomarkers of effect for HBM purposes.
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Affiliation(s)
- Vicente Mustieles
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto de Investigación Biosanitaria (ibs. GRANADA), Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Spain.
| | - Shereen Cynthia D'Cruz
- Univ Rennes, EHESP, Inserm, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Stephan Couderq
- Evolution des Régulations Endocriniennes, Département "Adaptation du Vivant", UMR 7221 MNHN/CNRS, Sorbonne Université, Paris 75006, France
| | | | - Jean-Baptiste Fini
- Evolution des Régulations Endocriniennes, Département "Adaptation du Vivant", UMR 7221 MNHN/CNRS, Sorbonne Université, Paris 75006, France
| | - Tim Hofer
- Section of Toxicology and Risk Assessment, Norwegian Institute of Public Health, P.O. Box 222 Skøyen, NO-0213 Oslo, Norway
| | - Inger-Lise Steffensen
- Section of Toxicology and Risk Assessment, Norwegian Institute of Public Health, P.O. Box 222 Skøyen, NO-0213 Oslo, Norway
| | - Hubert Dirven
- Section of Toxicology and Risk Assessment, Norwegian Institute of Public Health, P.O. Box 222 Skøyen, NO-0213 Oslo, Norway
| | - Robert Barouki
- University Paris Descartes, ComUE Sorbonne Paris Cité, Paris, France. Institut national de la santé et de la recherche médicale (INSERM, National Institute of Health & Medical Research) UMR S-1124, Paris, France
| | - Nicolás Olea
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto de Investigación Biosanitaria (ibs. GRANADA), Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Spain
| | - Mariana F Fernández
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto de Investigación Biosanitaria (ibs. GRANADA), Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Spain.
| | - Arthur David
- Univ Rennes, EHESP, Inserm, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France.
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Justice NJ. The relationship between stress and Alzheimer's disease. Neurobiol Stress 2018; 8:127-133. [PMID: 29888308 PMCID: PMC5991350 DOI: 10.1016/j.ynstr.2018.04.002] [Citation(s) in RCA: 118] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 04/03/2018] [Accepted: 04/19/2018] [Indexed: 12/04/2022] Open
Abstract
Stress is critically involved in the development and progression of disease. From the stress of undergoing treatments to facing your own mortality, the physiological processes that stress drives have a serious detrimental effect on the ability to heal, cope and maintain a positive quality of life. This is becoming increasingly clear in the case of neurodegenerative diseases. Neurodegenerative diseases involve the devastating loss of cognitive and motor function which is stressful in itself, but can also disrupt neural circuits that mediate stress responses. Disrupting these circuits produces aberrant emotional and aggressive behavior that causes long-term care to be especially difficult. In addition, added stress drives progression of the disease and can exacerbate symptoms. In this review, I describe how neural and endocrine pathways activated by stress interact with ongoing neurodegenerative disease from both a clinical and experimental perspective.
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Affiliation(s)
- Nicholas J. Justice
- Institute of Molecular Medicine, University of Texas Health Sciences Center, Houston, TX, 77030, USA
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Tamayo Y Ortiz M, Téllez-Rojo MM, Wright RJ, Coull BA, Wright RO. Longitudinal associations of age and prenatal lead exposure on cortisol secretion of 12-24 month-old infants from Mexico City. Environ Health 2016; 15:41. [PMID: 26926653 PMCID: PMC4772459 DOI: 10.1186/s12940-016-0124-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 02/22/2016] [Indexed: 05/11/2023]
Abstract
BACKGROUND Cortisol has functions on homeostasis, growth, neurodevelopment, immune function and the stress response. Secretion follows a diurnal rhythm that mediates these processes. Our objective was to examine the association between prenatal lead exposure and infant diurnal cortisol rhythms. METHODS We measured infant cortisol rhythms in saliva collected repeatedly over 2 days at either 12 (n = 255) or 18-24 (n = 150) months of age. Prenatal lead exposure was assessed by measuring maternal pregnancy blood lead levels and early postnatal maternal bone lead content. We analyzed age-specific basal secretion and the association between trimester-specific and cumulative lead exposure with a) change in total diurnal cortisol and b) the shape of the cortisol curve across the length of the day. RESULTS Our results showed age related differences in salivary cortisol secretion and an age dependent association with maternal lead exposure. In age-stratified models we saw an inverse association between lead and cortisol levels in 12-month-old infants and a positive association for 18-24-month-old infants. For the 12-month-old infants 2nd-trimester-lead ≥10 μg/dL was associated with 40 % lower cortisol levels (95 % CI (-57, -16)) and a significant change in the shape of the cortisol curve (p = 0.01), compared to infants with low blood lead levels (<5 μg/dL). CONCLUSIONS Basal cortisol secretion changes with age. Increased early gestation lead exposure alters diurnal cortisol rhythms and the association is modified by infant age, perhaps representing an early maturation of cortisol homeostasis.
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Affiliation(s)
- Marcela Tamayo Y Ortiz
- National Council of Science and Technology, Center for Nutrition Research and Health, National Institute of Public Health, 7a. Cerrada de Fray Pedro de Gante # 50, Col. Sección XVI Tlalpan, C.P. 14080, México D.F., Mexico.
- Center for Research in Nutrition and Health, National Institute of Public Health, Universidad No. 655, Col. Santa María Ahuacatitlán, Cerrada los Pinos y Caminera, CP. 62100, Cuernavaca, Morelos, Mexico.
| | - Martha María Téllez-Rojo
- Center for Research in Nutrition and Health, National Institute of Public Health, Universidad No. 655, Col. Santa María Ahuacatitlán, Cerrada los Pinos y Caminera, CP. 62100, Cuernavaca, Morelos, Mexico.
| | - Rosalind J Wright
- Departments of Pediatrics and Preventive Medicine, Pediatrics Kravis Children's Hospital, New York, USA.
- The Mindich Child Health & Development Institute, Icahn School of Medicine at Mount Sinai, Annenberg Building Floor 14th Floor Room 8, 1468 Madison Avenue, New York City, NY, 10029, USA.
- Department of Preventive Medicine, Icahn School of Medicine at Mount Sinai, 17 East 102 Street Floor 3 West Room D3-110, New York City, NY, 10029, USA.
| | - Brent A Coull
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, 655 Huntington Avenue, Building II, Room 413, Boston, MA, 02115, USA.
| | - Robert O Wright
- Departments of Pediatrics and Preventive Medicine, Pediatrics Kravis Children's Hospital, New York, USA.
- The Mindich Child Health & Development Institute, Icahn School of Medicine at Mount Sinai, Annenberg Building Floor 14th Floor Room 8, 1468 Madison Avenue, New York City, NY, 10029, USA.
- Department of Preventive Medicine, Icahn School of Medicine at Mount Sinai, 17 East 102 Street Floor 3 West Room D3-110, New York City, NY, 10029, USA.
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