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Yasamineh S, Mehrabani FJ, Derafsh E, Danihiel Cosimi R, Forood AMK, Soltani S, Hadi M, Gholizadeh O. Potential Use of the Cholesterol Transfer Inhibitor U18666A as a Potent Research Tool for the Study of Cholesterol Mechanisms in Neurodegenerative Disorders. Mol Neurobiol 2024; 61:3503-3527. [PMID: 37995080 DOI: 10.1007/s12035-023-03798-7] [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: 04/11/2023] [Accepted: 11/03/2023] [Indexed: 11/24/2023]
Abstract
Cholesterol is an essential component of mammalian cell membranes and a precursor for crucial signaling molecules. The brain contains the highest level of cholesterol in the body, and abnormal cholesterol metabolism links to many neurodegenerative disorders. The results indicate that faulty cholesterol metabolism is a common feature among people living with neurodegenerative conditions. The researchers suggest that restoring cholesterol levels may become a beneficial new strategy in treating certain neurodegenerative conditions. Several neurodegenerative disorders, such as Alzheimer's disease (AD), Niemann-Pick type C (NPC) disease, and Parkinson's disease (PD), have been connected to abnormalities in brain cholesterol metabolism. Consequently, using a lipid research tool is vital to study further and understand the effect of lipids in neurodegenerative disorders such as NPC, AD, PD, and Huntington's disease (HD). U18666A, also known as 3-(2-(diethylamino) ethoxy) androst-5-en-17-one, is a pharmaceutical drug that suppresses cholesterol trafficking and is a well-known class-2 amphiphile. U18666A has performed many functions, allowing for essential discoveries in lipid studies and shedding light on the pathophysiology of neurodegenerative disorders. Additionally, U18666A prevented the downregulation of low-density lipoprotein (LDL) receptors that are induced by LDL and led to the buildup of cholesterol in lysosomes. Numerous studies show that U18666A impacts the function of cholesterol trafficking to control the metabolism and transport of amyloid precursor proteins (APPs). Treating cortical neurons with U18666A may provide a new in vitro model system for studying the underlying molecular process of NPC, AD, HD, and PD. In this article, we review the mechanism and function of U18666A as a vital tool for studying cholesterol mechanisms in neurological diseases related to abnormal cholesterol metabolism, such as AD, NPC, HD, and PD.
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Affiliation(s)
| | | | - Ehsan Derafsh
- Windsor University School of Medicine, Cayon, Saint Kitts and Nevis
| | | | | | - Siamak Soltani
- Department of Forensic Medicine, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Meead Hadi
- Department Of Microbiology, Faculty of Basic Sciences, Tehran Central Branch, Islamic Azad University, Tehran, Iran
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Wu J, Ji P, Zhang A, Hu H, Shen Y, Wang Q, Fan C, Chen K, Ding R, Huang W, Xiang M, Ye B. Impact of cholesterol homeostasis within cochlear cells on auditory development and hearing loss. Front Cell Neurosci 2024; 17:1308028. [PMID: 38239289 PMCID: PMC10794501 DOI: 10.3389/fncel.2023.1308028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 11/30/2023] [Indexed: 01/22/2024] Open
Abstract
Cholesterol is the most abundant sterol molecule in mammalian cells, which not only constitutes the cell membrane but also plays essential roles in the synthesis of important hormones, synapse formation, and cell signal transduction. The effect of hypercholesterolemia on hearing has been studied extensively, and multiple studies have demonstrated that hypercholesterolemia is a risk factor for hearing loss. However, the impact of cholesterol homeostasis within auditory cells on peripheral auditory development and maintenance has not been evaluated in detail. Mutations in certain cholesterol metabolism-related genes, such as NPC1, SERAC1, DHCR7, and OSBPL2, as well as derivatives of cholesterol metabolism-related ototoxic drugs, such as β-cyclodextrin, can lead to disruptions of cholesterol homeostasis within auditory cells, resulting in hearing loss. This article aims to review the impact of cholesterol homeostasis within auditory cells on the peripheral auditory function from the following two perspectives: (1) changes in cholesterol homeostasis regulatory genes in various hearing loss models; (2) mechanisms underlying the effects of some drugs that have a therapeutic effect on hearing loss via regulating cholesterol homeostasis. This article aims to summarize and analyze the impact of disruption of cellular cholesterol homeostasis within auditory cells on hearing, in order to provide evidence regarding the underlying mechanisms.
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Affiliation(s)
- Jichang Wu
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Peilin Ji
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Andi Zhang
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Haixia Hu
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yilin Shen
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Quan Wang
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Cui Fan
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kaili Chen
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rui Ding
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weiyi Huang
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mingliang Xiang
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Audiology and Speech-Language Pathology, College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bin Ye
- Department of Otolaryngology and Head and Neck Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Yamada Y, Fukaura‐Nishizawa M, Nishiyama A, Ishii A, Kawata T, Shirakawa A, Tanaka M, Kondo Y, Takeo T, Nakagata N, Miwa T, Takeda H, Orita Y, Motoyama K, Higashi T, Arima H, Seki T, Kurauchi Y, Katsuki H, Higaki K, Minami K, Yoshikawa N, Ikeda R, Matsuo M, Irie T, Ishitsuka Y. Different solubilizing ability of cyclodextrin derivatives for cholesterol in Niemann-Pick disease type C treatment. Clin Transl Med 2023; 13:e1350. [PMID: 37620691 PMCID: PMC10449817 DOI: 10.1002/ctm2.1350] [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: 04/01/2023] [Revised: 07/17/2023] [Accepted: 07/21/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND Niemann-Pick disease type C (NPC) is a fatal neurodegenerative disorder caused by abnormal intracellular cholesterol trafficking. Cyclodextrins (CDs), the most promising therapeutic candidates for NPC, but with concerns about ototoxicity, are cyclic oligosaccharides with dual functions of unesterified cholesterol (UC) shuttle and sink that catalytically enhance the bidirectional flux and net efflux of UC, respectively, between the cell membrane and the extracellular acceptors. However, the properties of CDs that regulate these functions and how they could be used to improve treatments for NPC are unclear. METHODS We estimated CD-UC complexation for nine CD derivatives derived from native α-, β-, and γ-CD with different cavity sizes, using solubility and molecular docking analyses. The stoichiometry and complexation ability of the resulting complexes were investigated in relation to the therapeutic effectiveness and toxicity of each CD derivative in NPC experimental models. FINDINGS We found that shuttle and sink activities of CDs are dependent on cavity size-dependent stoichiometry and substituent-associated stability of CD-UC complexation. The ability of CD derivatives to form 1:1 and 2:1 complexes with UC were correlated with their ability to normalize intracellular cholesterol trafficking serving as shuttle and with their cytotoxicity associated with cellular UC efflux acting as sink, respectively, in NPC model cells. Notably, the ability of CD derivatives to form an inclusion complex with UC was responsible for not only efficacy but ototoxicity, while a representative derivative without this ability negligibly affected auditory function, underscoring its preventability. CONCLUSIONS Our findings highlight the importance of strategies for optimizing the molecular structure of CDs to overcome this functional dilemma in the treatment of NPC.
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Affiliation(s)
- Yusei Yamada
- Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
- Department of PharmacyUniversity of Miyazaki HospitalMiyazakiJapan
| | - Madoka Fukaura‐Nishizawa
- Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
| | - Asami Nishiyama
- Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
| | - Akira Ishii
- Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
| | - Tatsuya Kawata
- Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
| | - Aina Shirakawa
- Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
| | - Mayuko Tanaka
- Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
| | - Yuki Kondo
- Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
| | - Toru Takeo
- Division of Reproductive Engineering, Center for Animal Resources and Development (CARD)Kumamoto UniversityKumamotoJapan
| | - Naomi Nakagata
- Division of Reproductive Biotechnology and Innovation, Center for Animal Resources and Development (CARD)Kumamoto UniversityKumamotoJapan
| | - Toru Miwa
- Department of Otolaryngology, Graduate School of MedicineOsaka Metropolitan UniversityOsakaJapan
| | - Hiroki Takeda
- Department of Otolaryngology‐Head and Neck SurgeryGraduate School of MedicineKumamoto UniversityKumamotoJapan
| | - Yorihisa Orita
- Department of Otolaryngology‐Head and Neck SurgeryGraduate School of MedicineKumamoto UniversityKumamotoJapan
| | - Keiichi Motoyama
- Department of Physical Pharmaceutics, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
| | - Taishi Higashi
- Priority Organization for Innovation and ExcellenceKumamoto UniversityKumamotoJapan
| | - Hidetoshi Arima
- Laboratory of Evidence‐Based PharmacotherapyDaiichi University of PharmacyFukuokaJapan
| | - Takahiro Seki
- Department of Pharmacology, Faculty of Pharmaceutical SciencesHimeji Dokkyo UniversityHyogoJapan
| | - Yuki Kurauchi
- Department of Chemico‐Pharmacological Sciences, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
| | - Hiroshi Katsuki
- Department of Chemico‐Pharmacological Sciences, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
| | - Katsumi Higaki
- Research Initiative Center, Organization for Research Initiative and PromotionTottori UniversityYonagoJapan
| | - Kentaro Minami
- Department of PharmacyUniversity of Miyazaki HospitalMiyazakiJapan
| | - Naoki Yoshikawa
- Department of PharmacyUniversity of Miyazaki HospitalMiyazakiJapan
| | - Ryuji Ikeda
- Department of PharmacyUniversity of Miyazaki HospitalMiyazakiJapan
| | - Muneaki Matsuo
- Department of Pediatrics, Faculty of MedicineSaga UniversitySagaJapan
| | - Tetsumi Irie
- Department of Pharmaceutical Packaging Technology, Faculty of Life SciencesKumamoto UniversityKumamotoJapan
| | - Yoichi Ishitsuka
- Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
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