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Abdalla MMI. Therapeutic potential of adiponectin in prediabetes: strategies, challenges, and future directions. Ther Adv Endocrinol Metab 2024; 15:20420188231222371. [PMID: 38250316 PMCID: PMC10798122 DOI: 10.1177/20420188231222371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 11/28/2023] [Indexed: 01/23/2024] Open
Abstract
Adiponectin, an adipose-derived hormone, plays a pivotal role in glucose regulation and lipid metabolism, with a decrease in circulating adiponectin levels being linked to insulin resistance and prediabetes. This review examines the therapeutic potential of adiponectin in managing prediabetes, elucidating on multiple aspects including its role in glucose and lipid metabolism, influence on insulin sensitivity, and anti-inflammatory properties. Moreover, the paper highlights the latest strategies to augment adiponectin levels, such as gene therapy, pharmacological interventions, dietary modifications, and lifestyle changes. It also addresses the challenges encountered in translating preclinical findings into clinical practice, primarily related to drug delivery, safety, and efficacy. Lastly, the review proposes future directions, underlining the need for large-scale human trials, novel adiponectin analogs, and personalized treatment strategies to harness adiponectin's full therapeutic potential in preventing the transition from prediabetes to diabetes.
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Affiliation(s)
- Mona Mohamed Ibrahim Abdalla
- Human Biology Department, School of Medicine, International Medical University, 126, Jln Jalil Perkasa 19, Bukit Jalil, Kuala Lumpur, Federal Territory of Kuala Lumpur 57000, Malaysia
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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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