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Piriyaprasath K, Kakihara Y, Kurahashi A, Taiyoji M, Kodaira K, Aihara K, Hasegawa M, Yamamura K, Okamoto K. Preventive Roles of Rice- koji Extracts and Ergothioneine on Anxiety- and Pain-like Responses under Psychophysical Stress Conditions in Male Mice. Nutrients 2023; 15:3989. [PMID: 37764773 PMCID: PMC10535605 DOI: 10.3390/nu15183989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/07/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
This study determined the effect of daily administration of Rice-koji on anxiety and nociception in mice subjected to repeated forced swim stress (FST). In a parallel experiment, it was determined whether ergothioneine (EGT) contained in Rice-koji displayed similar effects. Anxiety and nociception were assessed behaviorally using multiple procedures. c-Fos and FosB immunoreactivities were quantified to assess the effect of both treatments on neural responses in the paraventricular nucleus of the hypothalamus (PVN), nucleus raphe magnus (NRM), and lumbar spinal dorsal horn (DH). FST increased anxiety- and pain-like behaviors in the hindpaw. Rice-koji or EGT significantly prevented these behaviors after FST. In the absence of formalin, both treatments prevented decreased FosB expressions in the PVN after FST, while no effect was seen in the NRM and DH. In the presence of formalin, both treatments prevented changes in c-Fos and FosB expressions in all areas in FST mice. Further, in vitro experiments using SH-SY5Y cells were conducted. Rice-koji and EGT did not affect cell viability but changed the level of brain-derived neurotrophic factor. In conclusion, Rice-koji could reduce anxiety and pain associated with psychophysical stress, possibly mediated by the modulatory effects of EGT on neural functions in the brain.
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Affiliation(s)
- Kajita Piriyaprasath
- Division of Oral Physiology, Faculty of Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan or (K.P.); (M.H.); (K.Y.)
- Department of Restorative Dentistry, Faculty of Dentistry, Naresuan University, Phitsanulok 650000, Thailand
| | - Yoshito Kakihara
- Division of Dental Pharmacology, Faculty of Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan;
- Sakeology Center, Niigata University, Niigata 951-8514, Japan
| | - Atsushi Kurahashi
- Hakkaisan Brewery Co., Ltd., Minamiuonuma, Niigata 949-7112, Japan; (A.K.); (K.K.)
| | - Mayumi Taiyoji
- Food Research Center, Niigata Agricultural Research Institute, Kamo 959-1381, Japan; (M.T.); (K.A.)
| | - Kazuya Kodaira
- Hakkaisan Brewery Co., Ltd., Minamiuonuma, Niigata 949-7112, Japan; (A.K.); (K.K.)
| | - Kotaro Aihara
- Food Research Center, Niigata Agricultural Research Institute, Kamo 959-1381, Japan; (M.T.); (K.A.)
| | - Mana Hasegawa
- Division of Oral Physiology, Faculty of Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan or (K.P.); (M.H.); (K.Y.)
- Division of General Dentistry and Dental Clinical Education Unit, Faculty of Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Kensuke Yamamura
- Division of Oral Physiology, Faculty of Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan or (K.P.); (M.H.); (K.Y.)
| | - Keiichiro Okamoto
- Division of Oral Physiology, Faculty of Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan or (K.P.); (M.H.); (K.Y.)
- Sakeology Center, Niigata University, Niigata 951-8514, Japan
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Piriyaprasath K, Hasegawa M, Kakihara Y, Iwamoto Y, Kamimura R, Saito I, Fujii N, Yamamura K, Okamoto K. Effects of stress contagion on anxiogenic- and orofacial inflammatory pain-like behaviors with brain activation in mice. Eur J Oral Sci 2023:e12942. [PMID: 37377104 DOI: 10.1111/eos.12942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 06/11/2023] [Indexed: 06/29/2023]
Abstract
The conditions of stress contagion are induced in bystanders without direct experiences of stressful events. This study determined the effects of stress contagion on masseter muscle nociception in mice. Stress contagion was developed in the bystanders after cohabitating with a conspecific mouse subjected to social defeat stress for 10 days. On Day 11, stress contagion increased anxiety- and orofacial inflammatory pain-like behaviors. The c-Fos and FosB immunoreactivities evoked by masseter muscle stimulation were increased in the upper cervical spinal cord, while c-Fos expressions were increased in the rostral ventromedial medulla, including the lateral paragigantocellular reticular nucleus and nucleus raphe magnus in stress contagion mice. The level of serotonin in the rostral ventromedial medulla was increased under stress contagion, while the number of serotonin positive cells was increased in the lateral paragigantocellular reticular nucleus. Stress contagion increased c-Fos and FosB expressions in the anterior cingulate cortex and insular cortex, both of which were positively correlated with orofacial inflammatory pain-like behaviors. The level of brain-derived neurotrophic factor was increased in the insular cortex under stress contagion. These results indicate that stress contagion can cause neural changes in the brain, resulting in increased masseter muscle nociception, as seen in social defeat stress mice.
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Affiliation(s)
- Kajita Piriyaprasath
- Division of Oral Physiology, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
- Department of Restorative Dentistry, Faculty of Dentistry, Naresuan University, Phitsanulok, Thailand
| | - Mana Hasegawa
- Division of Oral Physiology, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
- Division of General Dentistry and Dental Clinical Education Unit, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
| | - Yoshito Kakihara
- Division of Dental Pharmacology, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
| | - Yuya Iwamoto
- Division of Oral Physiology, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
- Division of General Dentistry and Dental Clinical Education Unit, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
| | - Rantaro Kamimura
- Division of Orthodontics, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
| | - Isao Saito
- Division of Orthodontics, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
| | - Noritaka Fujii
- Division of General Dentistry and Dental Clinical Education Unit, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
| | - Kensuke Yamamura
- Division of Oral Physiology, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
| | - Keiichiro Okamoto
- Division of Oral Physiology, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University, Niigata City, Japan
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Okamoto K, Hasegawa M, Piriyaprasath K, Kakihara Y, Saeki M, Yamamura K. Preclinical models of deep craniofacial nociception and temporomandibular disorder pain. JAPANESE DENTAL SCIENCE REVIEW 2021; 57:231-241. [PMID: 34815817 PMCID: PMC8593658 DOI: 10.1016/j.jdsr.2021.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 10/15/2021] [Accepted: 10/19/2021] [Indexed: 01/06/2023] Open
Abstract
Chronic pain in temporomandibular disorder (TMD) is a common health problem. Cumulating evidence indicates that the etiology of TMD pain is complex with multifactorial experience that could hamper the developments of treatments. Preclinical research is a resource to understand the mechanism for TMD pain, whereas limitations are present as a disease-specific model. It is difficult to incorporate multiple risk factors associated with the etiology that could increase pain responses into a single animal. This article introduces several rodent models which are often employed in the preclinical studies and discusses their validities for TMD pain after the elucidations of the neural mechanisms based on the clinical reports. First, rodent models were classified into two groups with or without inflammation in the deep craniofacial tissues. Next, the characteristics of each model and the procedures to identify deep craniofacial pain were discussed. Emphasis was directed on the findings of the effects of chronic psychological stress, a major risk factor for chronic pain, on the deep craniofacial nociception. Preclinical models have provided clinically relevant information, which could contribute to better understand the basis for TMD pain, while efforts are still required to bridge the gap between animal and human studies.
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Affiliation(s)
- Keiichiro Okamoto
- Division of Oral Physiology, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata City, 951-8514, Japan
| | - Mana Hasegawa
- Division of Oral Physiology, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata City, 951-8514, Japan.,Division of Dental Clinical Education, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata City, 951-8514, Japan
| | - Kajita Piriyaprasath
- Division of Oral Physiology, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata City, 951-8514, Japan
| | - Yoshito Kakihara
- Division of Dental Pharmacology, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata City, 951-8514, Japan
| | - Makio Saeki
- Division of Dental Pharmacology, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata City, 951-8514, Japan
| | - Kensuke Yamamura
- Division of Oral Physiology, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata City, 951-8514, Japan
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Effects of rice fermented extracts, "Sake Lees", on the functional activity of odontoblast-like cells (KN-3 cells). Odontology 2021; 110:254-261. [PMID: 34498157 DOI: 10.1007/s10266-021-00654-9] [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: 03/07/2021] [Accepted: 08/23/2021] [Indexed: 10/20/2022]
Abstract
This study was designed to investigate the effects of Sake Lees extracts (SLE, Sake Kasu) on the functional activity of odontoblastic cells and tooth pulp of the rats. For in vitro studies, a rat clonal odontoblast-like cell line, KN-3 cells were cultured. SLE significantly decreased KN-3 cell proliferation, but showed no significant cytotoxicity. SLE effects on several protein productions of KN-3 cells were compared with PBS. SLE and PBS increased alkaline phosphatase (ALP), dentin sialoprotein (DSP), and osterix in a day-course dependent manner, while SLE increased the induction of ALP on day 9-21 and DSP on day 15-21. SLE also increased Runx2 expression on day 3 and 9 compared to PBS. Alizarin Red stainings revealed that SLE showed a subtle increase in mineralization of KN-3 cells on day 15 and 21. A histological investigation was conducted to assess if SLE induced reparative dentin formation after direct capping at the exposed tooth pulp in rats, suggesting that SLE could increase the reparative dentin formation more than PBS. These findings suggest that Sake Lees could have functional roles in the alterations of odontoblastic activity, which might influence the physiology of the tooth pulp.
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WeiWei Y, WenDi F, Mengru C, Tuo Y, Chen G. The cellular mechanism by which the rostral ventromedial medulla acts on the spinal cord during chronic pain. Rev Neurosci 2021; 32:545-558. [PMID: 33565739 DOI: 10.1515/revneuro-2020-0121] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 12/18/2020] [Indexed: 11/15/2022]
Abstract
Clinical therapies for chronic pain are limited. While targeted drugs are promising therapies for chronic pain, they exhibit insufficient efficacy and poor targeting. The occurrence of chronic pain partly results from central changes caused by alterations in neurons in the rostral ventromedial medulla (RVM) in the brainstem regulatory pathway. The RVM, which plays a key role in the descending pain control pathway, greatly contributes to the development and maintenance of pain. However, the exact roles of the RVM in chronic pain remain unclear, making it difficult to develop new drugs targeting the RVM and related pathways. Here, we first discuss the roles of the RVM and related circuits in chronic pain. Then, we analyze synaptic transmission between RVM neurons and spinal cord neurons, specifically focusing on the release of neurotransmitters, to explore the cellular mechanisms by which the RVM regulates chronic pain. Finally, we propose some ideas for the development of drugs targeting the RVM.
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Affiliation(s)
- Yu WeiWei
- Key Laboratory of Neuroregeneration of Jiangsu and the Ministry of Education, Co-innovation Center of Neuroregeneration, Nantong University, Nantong226001, China
| | - Fei WenDi
- Key Laboratory of Neuroregeneration of Jiangsu and the Ministry of Education, Co-innovation Center of Neuroregeneration, Nantong University, Nantong226001, China
| | - Cui Mengru
- Department of Anesthesiology, Affiliated Hospital of Nantong University, Nantong226001, China
| | - Yang Tuo
- Department of Hand Surgery, China-Japan Union Hospital of Jilin University, Changchun130033, China
| | - Gang Chen
- Department of Anesthesiology, Affiliated Hospital of Nantong University, Nantong226001, China.,Department of Tissue and Embryology, Medical School of Nantong University, Co-innovation Center of Neuroregeneration, Nantong University, Nantong226001, China
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Mikami N, Tsukada Y, Pelpolage SW, Han KH, Fukushima M, Shimada K. Effects of Sake lees (Sake-kasu) supplementation on the quality characteristics of fermented dry sausages. Heliyon 2020; 6:e03379. [PMID: 32123761 PMCID: PMC7036523 DOI: 10.1016/j.heliyon.2020.e03379] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 12/05/2019] [Accepted: 02/04/2020] [Indexed: 01/26/2023] Open
Abstract
Sake lees (Sake-kasu) are the sediments of Japanese sake brewing process from fermented rice with Aspergillus oryzae and yeasts. Sake lees contain various enzymes and metabolites derived from the Sake starter culture, and expected to add aroma, flavor and softness to sausages. We investigated the effects of Sake lees supplementation on fermented dry sausage characteristics over an aging period of 35 days. Sake lees supplementation significantly accelerated sarcoplasmic and myofibrillar protein decomposition and increased peptide and free amino acid content compared to untreated sausage meat. Sake lees significantly acidified the sausages, enhanced their sour taste, and influenced their acceptability. Sake lees supplementation also significantly improved the hardness of the final product and conferred a preferable flavor to it. These results suggest that the various enzymes and compounds in Sake lees improve the flavor and texture of fermented dry sausages.
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Affiliation(s)
- Nana Mikami
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, West 2-11, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Yoshiro Tsukada
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, West 2-11, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Samanthi Wathsala Pelpolage
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, West 2-11, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Kyu-Ho Han
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, West 2-11, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Michihiro Fukushima
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, West 2-11, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Kenichiro Shimada
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, West 2-11, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
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