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Kuil L, Seigers R, Loos M, de Gooijer M, Compter A, Boogerd W, van Tellingen O, Smit A, Schagen S. Fractionated brain X-irradiation profoundly reduces hippocampal immature neuron numbers without affecting spontaneous behavior in mice. Heliyon 2024; 10:e29947. [PMID: 38707355 PMCID: PMC11066401 DOI: 10.1016/j.heliyon.2024.e29947] [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: 07/11/2023] [Revised: 03/28/2024] [Accepted: 04/17/2024] [Indexed: 05/07/2024] Open
Abstract
Whole brain radiotherapy (WBRT) is used to improve tumor control in patients with primary brain tumors, or brain metastasis from various primary tumors to improve tumor control. However, WBRT can lead to cognitive decline in patients. We assessed whether fractionated WBRT (fWBRT) affects spontaneous behavior of mice in automated home cages and cognition (spatial memory) using the Barnes maze. Male C57Bl/6j mice received bi-lateral fWBRT at a dosage of 4 Gy/day on 5 consecutive days. In line with previous reports, immunohistochemical analysis of doublecortin positive cells in the dentate gyrus showed a profound reduction in immature neurons 4 weeks after fWBRT. Surprisingly, spontaneous behavior as measured in automated home cages was not affected. Moreover, learning and memory measured with Barnes maze, was also not affected 4-6 weeks after fWBRT. At 10-11 weeks after fWBRT a significant difference in escape latency during the learning phase, but not in the probe test of the Barnes maze was observed. In conclusion, although we confirmed the serious adverse effect of fWBRT on neurogenesis 4 weeks after fWBRT, we did not find similar profound effects on spontaneous behavior in the automated home cage nor on learning abilities as measured by the Barnes maze. The relationship between the neurobiological effects of fWBRT and cognition seems more complex than often assumed and the choice of animal model, cognitive tasks, neurobiological parameters, and experimental set-up might be important factors in these types of experiments.
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Affiliation(s)
- L.E. Kuil
- Division of Psychosocial Research and Epidemiology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Division of Pharmacology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - R. Seigers
- Division of Psychosocial Research and Epidemiology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - M. Loos
- Sylics (Synaptologics BV), Bilthoven, the Netherlands
| | - M.C. de Gooijer
- Division of Pharmacology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - A. Compter
- Department of Neuro-Oncology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - W. Boogerd
- Department of Neuro-Oncology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - O. van Tellingen
- Division of Pharmacology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - A.B. Smit
- Department of Molecular and Cellular Neurobiology, Center for Neurogenomics and Cognitive Research, Neuroscience Campus Amsterdam, VU University, Amsterdam, the Netherlands
| | - S.B. Schagen
- Division of Psychosocial Research and Epidemiology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
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Gan C, Li W, Xu J, Pang L, Tang L, Yu S, Li A, Ge H, Huang R, Cheng H. Advances in the study of the molecular biological mechanisms of radiation-induced brain injury. Am J Cancer Res 2023; 13:3275-3299. [PMID: 37693137 PMCID: PMC10492106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Accepted: 07/12/2023] [Indexed: 09/12/2023] Open
Abstract
Radiation therapy is one of the most commonly used treatments for head and neck cancers, but it often leads to radiation-induced brain injury. Patients with radiation-induced brain injury have a poorer quality of life, and no effective treatments are available. The pathogenesis of this condition is unknown. This review summarizes the molecular biological mechanism of radiation-induced brain injury and provides research directions for future studies. The molecular mechanisms of radiation-induced brain injury are diverse and complex. Radiation-induced chronic neuroinflammation, destruction of the blood-brain barrier, oxidative stress, neuronal damage, and physiopathological responses caused by specific exosome secretion lead to radiation-induced brain injury.
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Affiliation(s)
- Chen Gan
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Anhui Medical UniversityHefei, Anhui, China
| | - Wen Li
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Anhui Medical UniversityHefei, Anhui, China
| | - Jian Xu
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Anhui Medical UniversityHefei, Anhui, China
| | - Lulian Pang
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Anhui Medical UniversityHefei, Anhui, China
| | - Lingxue Tang
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Anhui Medical UniversityHefei, Anhui, China
| | - Sheng Yu
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Anhui Medical UniversityHefei, Anhui, China
| | - Anlong Li
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Anhui Medical UniversityHefei, Anhui, China
| | - Han Ge
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Anhui Medical UniversityHefei, Anhui, China
| | - Runze Huang
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Anhui Medical UniversityHefei, Anhui, China
| | - Huaidong Cheng
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Anhui Medical UniversityHefei, Anhui, China
- Department of Oncology, Shenzhen Hospital of Southern Medical UniversityShenzhen, Guangdong, China
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Mitra S, Dash R, Sohel M, Chowdhury A, Munni YA, Ali C, Hannan MA, Islam T, Moon IS. Targeting Estrogen Signaling in the Radiation-induced Neurodegeneration: A Possible Role of Phytoestrogens. Curr Neuropharmacol 2023; 21:353-379. [PMID: 35272592 PMCID: PMC10190149 DOI: 10.2174/1570159x20666220310115004] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/01/2022] [Accepted: 03/06/2022] [Indexed: 11/22/2022] Open
Abstract
Radiation for medical use is a well-established therapeutic method with an excellent prognosis rate for various cancer treatments. Unfortunately, a high dose of radiation therapy comes with its own share of side effects, causing radiation-induced non-specific cellular toxicity; consequently, a large percentage of treated patients suffer from chronic effects during the treatment and even after the post-treatment. Accumulating data evidenced that radiation exposure to the brain can alter the diverse cognitive-related signaling and cause progressive neurodegeneration in patients because of elevated oxidative stress, neuroinflammation, and loss of neurogenesis. Epidemiological studies suggested the beneficial effect of hormonal therapy using estrogen in slowing down the progression of various neuropathologies. Despite its primary function as a sex hormone, estrogen is also renowned for its neuroprotective activity and could manage radiation-induced side effects as it regulates many hallmarks of neurodegenerations. Thus, treatment with estrogen and estrogen-like molecules or modulators, including phytoestrogens, might be a potential approach capable of neuroprotection in radiation-induced brain degeneration. This review summarized the molecular mechanisms of radiation effects and estrogen signaling in the manifestation of neurodegeneration and highlighted the current evidence on the phytoestrogen mediated protective effect against radiationinduced brain injury. This existing knowledge points towards a new area to expand to identify the possible alternative therapy that can be taken with radiation therapy as adjuvants to improve patients' quality of life with compromised cognitive function.
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Affiliation(s)
- Sarmistha Mitra
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
| | - Raju Dash
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
| | - Md. Sohel
- Department of Biochemistry and Molecular Biology, Mawlana Bhashani Science and Technology University, Santosh, Tangail-1902, Bangladesh
| | - Apusi Chowdhury
- Department of Pharmaceutical Science, North-South University, Dhaka-12 29, Bangladesh
| | - Yeasmin Akter Munni
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
| | - Chayan Ali
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala SE-751 08, Sweden
| | - Md. Abdul Hannan
- Department of Biochemistry and Molecular Biology, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
| | - Tofazzal Islam
- Institute of Biotechnology and Genetic Engineering (IBGE), Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, Bangladesh
| | - Il Soo Moon
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
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Duan HP, Liu R. Efficacy of Nimodipine Combined with Latanoprost in Treating Open-Angle Glaucoma and Its Influence on Ocular Hemodynamics and Visual Field Defects. Drug Des Devel Ther 2022; 16:749-757. [PMID: 35340339 PMCID: PMC8956248 DOI: 10.2147/dddt.s352876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 02/27/2022] [Indexed: 11/23/2022] Open
Abstract
Background Open-angle glaucoma is a common ophthalmic disease, which has a great impact on the vision of middle-aged and elderly people. Medication plays an important role in the treatment of glaucoma, so finding effective drug treatment is of great significance to improve the quality of life of glaucoma patients. Objective To explore the curative effect of nimodipine combined with latanoprost in the treatment of open-angle glaucoma and its effect on ocular hemodynamics and visual field defects. Methods This study retrospectively analyzed the clinical data of 87 patients with open-angle glaucoma who came to the Shanxi Province Fenyang Hospital and The First Affiliated Hospital of Shanxi Datong University for treatment from January 2019 to January 2021. According to different treatment plans, the patients were divided into two groups: an observation group (n = 46) treated with nimodipine combined with latanoprost, and a control group (n = 41) treated by latanoprost monotherapy. Treatment efficacy, hemodynamics, visual field defects, 24-hour peak intraocular pressure, binocular optic disc parameters, adverse reactions and quality of life were recorded and compared between two groups of patients. Results The overall therapeutic effect of the observation group was significantly better than that in the control group. After treatment, ocular hemodynamics, visual field defects, 24-hour peak intraocular pressure, binocular optic disc parameters and life quality of both groups were obviously improved compared to those before treatment, with more significant improvements in the observation group. In addition, there was no significant difference in the incidence of adverse reactions between the two groups. Conclusion Nimodipine combined with latanoprost eye drops is effective in the treatment of primary open-angle glaucoma, which could effectively improve the ocular hemodynamics and visual field defects of patients with fewer adverse reactions and higher safety. Therefore, it can be further promoted and used in clinical practice.
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Affiliation(s)
- Hui-Ping Duan
- Department of Ophthalmology, Shanxi Province Fenyang Hospital, Fenyang, 032200, Shanxi Province, People’s Republic of China
- Correspondence: Hui-Ping Duan, Department of Ophthalmology, Shanxi Province Fenyang Hospital, Fenyang, 032200, Shanxi Province, People’s Republic of China, Tel +86-13037099450, Email
| | - Rong Liu
- Department of Ophthalmology, Shanxi Datong University, Datong, 037000, Shanxi Province, People’s Republic of China
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Azzam P, Mroueh M, Francis M, Daher AA, Zeidan YH. Radiation-induced neuropathies in head and neck cancer: prevention and treatment modalities. Ecancermedicalscience 2020; 14:1133. [PMID: 33281925 PMCID: PMC7685771 DOI: 10.3332/ecancer.2020.1133] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Indexed: 12/24/2022] Open
Abstract
Head and neck cancer (HNC) is the sixth most common human malignancy with a global incidence of 650,000 cases per year. Radiotherapy (RT) is commonly used as an effective therapy to treat tumours as a definitive or adjuvant treatment. Despite the substantial advances in RT contouring and dosage delivery, patients suffer from various radiation-induced complications, among which are toxicities to the nervous tissues in the head and neck area. Radiation-mediated neuropathies manifest as a result of increased oxidative stress-mediated apoptosis, neuroinflammation and altered cellular function in the nervous tissues. Eventually, molecular damage results in the formation of fibrotic tissues leading to susceptible loss of function of numerous neuronal substructures. Neuropathic sequelae following irradiation in the head and neck area include sensorineural hearing loss, alterations in taste and smell functions along with brachial plexopathy, and cranial nerves palsies. Numerous management options are available to relieve radiation-associated neurotoxicities notwithstanding treatment alternatives that remain restricted with limited benefits. In the scope of this review, we discuss the use of variable management and therapeutic modalities to palliate common radiation-induced neuropathies in head and neck cancers.
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Affiliation(s)
- Patrick Azzam
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Manal Mroueh
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Marina Francis
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Alaa Abou Daher
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Youssef H Zeidan
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
- Department of Radiation Oncology, American University of Beirut Medical Center, Beirut 1107 2020, Lebanon
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