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Park S, Park CW, Eom JH, Jo MY, Hur HJ, Choi SK, Lee JS, Nam ST, Jo KS, Oh YW, Lee J, Kim S, Kim DH, Park CY, Kim SJ, Lee HY, Cho MS, Kim DS, Kim DW. Preclinical and dose-ranging assessment of hESC-derived dopaminergic progenitors for a clinical trial on Parkinson's disease. Cell Stem Cell 2024; 31:25-38.e8. [PMID: 38086390 DOI: 10.1016/j.stem.2023.11.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/25/2023] [Accepted: 11/17/2023] [Indexed: 01/07/2024]
Abstract
Human embryonic stem cell (hESC)-derived midbrain dopaminergic (mDA) cell transplantation is a promising therapeutic strategy for Parkinson's disease (PD). Here, we present the derivation of high-purity mDA progenitors from clinical-grade hESCs on a large scale under rigorous good manufacturing practice (GMP) conditions. We also assessed the toxicity, biodistribution, and tumorigenicity of these cells in immunodeficient rats in good laboratory practice (GLP)-compliant facilities. Various doses of mDA progenitors were transplanted into hemi-parkinsonian rats, and a significant dose-dependent behavioral improvement was observed with a minimal effective dose range of 5,000-10,000 mDA progenitor cells. These results provided insights into determining a low cell dosage (3.15 million cells) for human clinical trials. Based on these results, approval for a phase 1/2a clinical trial for PD cell therapy was obtained from the Ministry of Food and Drug Safety in Korea, and a clinical trial for treating patients with PD has commenced.
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Affiliation(s)
- Sanghyun Park
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Chan Wook Park
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | | | - Mi-Young Jo
- S. Biomedics Co., Ltd., Seoul 04797, Republic of Korea
| | - Hye-Jin Hur
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; S. Biomedics Co., Ltd., Seoul 04797, Republic of Korea
| | | | - Jae Souk Lee
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | | | - Ki-Sang Jo
- S. Biomedics Co., Ltd., Seoul 04797, Republic of Korea
| | - Young Woo Oh
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Brain Korea, 21 PLUS Program for Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Jungil Lee
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Brain Korea, 21 PLUS Program for Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Sieun Kim
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Brain Korea, 21 PLUS Program for Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Do-Hun Kim
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; S. Biomedics Co., Ltd., Seoul 04797, Republic of Korea
| | - Chul-Yong Park
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; S. Biomedics Co., Ltd., Seoul 04797, Republic of Korea
| | - Su Jin Kim
- Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Gyeonggi-do, Republic of Korea
| | - Ho-Young Lee
- Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Gyeonggi-do, Republic of Korea
| | - Myung Soo Cho
- S. Biomedics Co., Ltd., Seoul 04797, Republic of Korea
| | - Dae-Sung Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea; Department of Pediatrics, Korea University College of Medicine, Guro Hospital, Seoul 08308, Republic of Korea.
| | - Dong-Wook Kim
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; S. Biomedics Co., Ltd., Seoul 04797, Republic of Korea; Brain Korea, 21 PLUS Program for Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea.
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Narváez-Pérez LF, Paz-Bermúdez F, Avalos-Fuentes JA, Campos-Romo A, Florán-Garduño B, Segovia J. CRISPR/sgRNA-directed synergistic activation mediator (SAM) as a therapeutic tool for Parkinson´s disease. Gene Ther 2024; 31:31-44. [PMID: 37542151 PMCID: PMC10788271 DOI: 10.1038/s41434-023-00414-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 06/30/2023] [Accepted: 07/26/2023] [Indexed: 08/06/2023]
Abstract
Parkinson`s disease (PD) is the second most prevalent neurodegenerative disease, and different gene therapy strategies have been used as experimental treatments. As a proof-of-concept for the treatment of PD, we used SAM, a CRISPR gene activation system, to activate the endogenous tyrosine hydroxylase gene (th) of astrocytes to produce dopamine (DA) in the striatum of 6-OHDA-lesioned rats. Potential sgRNAs within the rat th promoter region were tested, and the expression of the Th protein was determined in the C6 glial cell line. Employing pseudo-lentivirus, the SAM complex and the selected sgRNA were transferred into cultures of rat astrocytes, and gene expression and Th protein synthesis were ascertained; furthermore, DA release into the culture medium was determined by HPLC. The DA-producing astrocytes were implanted into the striatum of 6-OHDA hemiparkinsonian rats. We observed motor behavior improvement in the lesioned rats that received DA-astrocytes compared to lesioned rats receiving astrocytes that did not produce DA. Our data indicate that the SAM-induced expression of the astrocyte´s endogenous th gene can generate DA-producing astrocytes that effectively reduce the motor asymmetry induced by the lesion.
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Affiliation(s)
- Luis Fernando Narváez-Pérez
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, 07360, México
| | - Francisco Paz-Bermúdez
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, 07360, México
| | - José Arturo Avalos-Fuentes
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, 07360, México
| | - Aurelio Campos-Romo
- Unidad Periférica de Neurociencias, Facultad de Medicina, Instituto Nacional de Neurología y Neurocirugía "MVS", Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Benjamín Florán-Garduño
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, 07360, México
| | - José Segovia
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, 07360, México.
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Munawar N, Bitar MS, Masocha W. Activation of 5-HT1A Receptors Normalizes the Overexpression of Presynaptic 5-HT1A Receptors and Alleviates Diabetic Neuropathic Pain. Int J Mol Sci 2023; 24:14334. [PMID: 37762636 PMCID: PMC10532078 DOI: 10.3390/ijms241814334] [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: 07/10/2023] [Revised: 08/11/2023] [Accepted: 08/23/2023] [Indexed: 09/29/2023] Open
Abstract
Neuropathic pain is a well-documented phenomenon in experimental and clinical diabetes; however, current treatment is unsatisfactory. Serotoninergic-containing neurons are key components of the descending autoinhibitory pathway, and a decrease in their activity may contribute at least in part to diabetic neuropathic pain (DNP). A streptozotocin (STZ)-treated rat was used as a model for type 1 diabetes mellitus (T1DM). Pain transmission was evaluated using well-established nociceptive-based techniques, including the Hargreaves apparatus, cold plate and dynamic plantar aesthesiometer. Using qRT-PCR, Western blotting, immunohistochemistry, and HPLC-based techniques, we also measured in the central nervous system and peripheral nervous system of diabetic animals the expression and localization of 5-HT1A receptors (5-HT1AR), levels of key enzymes involved in the synthesis and degradation of tryptophan and 5-HT, including tryptophan hydroxylase-2 (Tph-2), tryptophan 2,3-dioxygenase (Tdo), indoleamine 2,3-dioxygenase 1 (Ido1) and Ido2. Moreover, spinal concentrations of 5-HT, 5-hydroxyindoleacetic acid (5-HIAA, a metabolite of 5-HT) and quinolinic acid (QA, a metabolite of tryptophan) were also quantified. Diabetic rats developed thermal hyperalgesia and cold/mechanical allodynia, and these behavioral abnormalities appear to be associated with the upregulation in the levels of expression of critical molecules related to the serotoninergic nervous system, including presynaptic 5-HT1AR and the enzymes Tph-2, Tdo, Ido1 and Ido2. Interestingly, the level of postsynaptic 5-HT1AR remains unaltered in STZ-induced T1DM. Chronic treatment of diabetic animals with 8-hydroxy-2-(dipropylamino)tetralin (8-OH-DPAT), a selective 5-HT1AR agonist, downregulated the upregulation of neuronal presynaptic 5-HT1AR, increased spinal release of 5-HT (↑ 5-HIAA/5-HT) and reduced the concentration of QA, decreased mRNA expression of Tdo, Ido1 and Ido2, arrested neuronal degeneration and ameliorated pain-related behavior as exemplified by thermal hyperalgesia and cold/mechanical allodynia. These data show that 8-OH-DPAT alleviates DNP and other components of the serotoninergic system, including the ratio of 5-HIAA/5-HT and 5-HT1AR, and could be a useful therapeutic agent for managing DNP.
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Affiliation(s)
- Neha Munawar
- Department of Pharmacology and Toxicology, College of Medicine, Kuwait University, Al-Jabriya 046302, Kuwait;
| | - Milad S. Bitar
- Department of Pharmacology and Toxicology, College of Medicine, Kuwait University, Al-Jabriya 046302, Kuwait;
| | - Willias Masocha
- Department of Pharmacology and Therapeutics, College of Pharmacy, Kuwait University, Al-Jabriya 046302, Kuwait;
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Thanalakshmi J, Archana R, Senthilkumar S, Shakila R, Pazhanivel N, Subhashini S. Role of caloric vestibular stimulation in improvement of motor symptoms and inhibition of neuronal degeneration in rotenone model of Parkinson's disease - An experimental study. Physiol Int 2020; 107:390-405. [PMID: 33021954 DOI: 10.1556/2060.2020.00036] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 07/27/2020] [Indexed: 11/19/2022]
Abstract
Objective Parkinson's disease (PD) is a progressive neurodegenerative disorder. In order to explore a noninvasive treatment of PD, in the current study the authors evaluated the neuroprotective efficacy of caloric vestibular stimulation (CVS) using the rotenone-induced rat model of PD. The rotenone models of PD are gaining attention due to high reproducibility. It is also considered to be an improved model to exhibit the pathogenesis of PD and test the neuroprotective effect of various therapeutic interventions. Materials and methods Rotenone was i.p. injected (3 mg/kg body weight) to male Wistar albino rats for 21 days to induce PD. As PD is chronic and progressive in nature, the efficacy of chronic CVS intervention was evaluated for 30 days after inducing PD in rats. Motor symptoms were evaluated by assessing locomotor activity in actophotometer, whereas movement analysis was done using Ludolph test and motor coordination was evaluated using rotarod apparatus. The neurochemical and neuropathological changes were also observed in the corpus striatum of rats. Results Rotenone administration showed decreased locomotor activity, motor coordination and general movement associated with significant (P < 0.05) reduction in dopamine content in the corpus striatum. The immunohistochemical analysis revealed a marked decrease in tyrosine hydroxylase (TH) immunoreactivity in striatal neurons indicating the significant loss of dopaminergic neurons in substantia nigra (SN) following rotenone injection. However, chronic treatment with CVS restored the nerve terminals in the striatum from rotenone damage. CVS treatment improved the dopaminergic system function by restoring dopamine content in the striatum. CVS also improved the motor deformities clearly suggesting the neuroprotective function. Conclusion The results of the present study suggested CVS to be a safe and simple neuroprotective measure against neurodegenerative changes in PD and a promising noninvasive technique to overcome the motor symptoms associated with it. The findings could be useful for further investigations and clinical applications of CVS in the treatment of PD.
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Affiliation(s)
- J Thanalakshmi
- 1Department of Physiology, Saveetha Medical College Hospital, Saveetha Nagar, Thandalam,Chennai 602105, Tamil Nadu, India
| | - R Archana
- 1Department of Physiology, Saveetha Medical College Hospital, Saveetha Nagar, Thandalam,Chennai 602105, Tamil Nadu, India
| | - S Senthilkumar
- 2Department of Research and Development, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamil Nadu, India
| | - R Shakila
- 3Department of Chemistry, Siddha Central Research Institute, Arumbakkam,Chennai, India
| | - N Pazhanivel
- 4Department of Veterinary Pathology, Madras Veterinary College, Chennai 602105, India
| | - S Subhashini
- 3Department of Chemistry, Siddha Central Research Institute, Arumbakkam,Chennai, India
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Miękus N, Olędzka I, Harshkova D, Liakh I, Plenis A, Kowalski P, Bączek T. Comparison of Three Extraction Approaches for the Isolation of Neurotransmitters from Rat Brain Samples. Int J Mol Sci 2018; 19:ijms19061560. [PMID: 29882927 PMCID: PMC6032232 DOI: 10.3390/ijms19061560] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 05/10/2018] [Accepted: 05/22/2018] [Indexed: 12/22/2022] Open
Abstract
The determination of neurotransmitters (NTs) as relevant potential biomarkers in the study of various central nervous system (CNS) pathologies has been demonstrated. Knowing that NTs-related diseases mostly occupy individual regions of the nervous system, as observed, for instance, in neurodegenerative diseases (Alzheimer’s and Parkinson’s Diseases), the analysis of brain slices is preferred to whole-brain analysis. In this report, we present sample preparation approaches, such as solid-phase extraction, solid-phase microextraction, and dispersive liquid–liquid microextraction, and discuss the pitfalls and advantages of each extraction method. The ionic liquid (1-ethyl-3-methylimidazolium tetrafluoroborate)-assisted solid-phase microextraction (IL-SPME) is found to be, in our research, the relevant step towards the simultaneous determination of six NTs, namely, dopamine (DA), adrenaline (A), noradrenaline (NA), serotonin (5-HT), l-tryptophan (l-Trp), l-tyrosine (l-Tyr) in rat brain samples. The development of a novel bioanalytical technique for the evaluation of biomarkers in the context of green chemistry might be accelerated just with the use of IL, and this approach can be considered an advantageous strategy.
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Affiliation(s)
- Natalia Miękus
- Department of Animal and Human Physiology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland.
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416 Gdańsk, Poland.
| | - Ilona Olędzka
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416 Gdańsk, Poland.
| | - Darya Harshkova
- Department of Plant Physiology and Biotechnology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland.
| | - Ivan Liakh
- S. I. Gelberg Department of Microbiology, Virology and Immunology, Grodno State Medical University, Vilenskaja str., 19, 230023 Grodno, Belarus.
| | - Alina Plenis
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416 Gdańsk, Poland.
| | - Piotr Kowalski
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416 Gdańsk, Poland.
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416 Gdańsk, Poland.
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Development of a diagnostic method for Parkinson's disease by reverse-phase high-performance liquid chromatography coupled with integrated pulsed amperometric detection. J Pharm Biomed Anal 2018; 153:110-116. [DOI: 10.1016/j.jpba.2018.02.025] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 02/08/2018] [Accepted: 02/09/2018] [Indexed: 11/18/2022]
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