1
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Tamura H, Miyazaki A, Kawamura T, Gotoh H, Yamamoto N, Narita M. Chronic ingestion of soy peptide supplementation reduces aggressive behavior and abnormal fear memory caused by juvenile social isolation. Sci Rep 2024; 14:11557. [PMID: 38773352 PMCID: PMC11109177 DOI: 10.1038/s41598-024-62534-w] [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: 03/18/2023] [Accepted: 05/17/2024] [Indexed: 05/23/2024] Open
Abstract
Juvenile loneliness is a risk factor for psychopathology in later life. Deprivation of early social experience due to peer rejection has a detrimental impact on emotional and cognitive brain function in adulthood. Accumulating evidence indicates that soy peptides have many positive effects on higher brain function in rodents and humans. However, the effects of soy peptide use on juvenile social isolation are unknown. Here, we demonstrated that soy peptides reduced the deterioration of behavioral and cellular functions resulting from juvenile socially-isolated rearing. We found that prolonged social isolation post-weaning in male C57BL/6J mice resulted in higher aggression and impulsivity and fear memory deficits at 7 weeks of age, and that these behavioral abnormalities, except impulsivity, were mitigated by ingestion of soy peptides. Furthermore, we found that daily intake of soy peptides caused upregulation of postsynaptic density 95 in the medial prefrontal cortex and phosphorylation of the cyclic adenosine monophosphate response element binding protein in the hippocampus of socially isolated mice, increased phosphorylation of the adenosine monophosphate-activated protein kinase in the hippocampus, and altered the microbiota composition. These results suggest that soy peptides have protective effects against juvenile social isolation-induced behavioral deficits via synaptic maturation and cellular functionalization.
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Affiliation(s)
- Hideki Tamura
- Laboratory of Biofunctional Science, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa, Tokyo, 142-8501, Japan.
- Institute for Advanced Life Sciences, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan.
| | - Akiko Miyazaki
- Department of Pharmacology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Takashi Kawamura
- Department of Pharmacology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Hikaru Gotoh
- Department of Pharmacology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Naoki Yamamoto
- Department of Biology, Faculty of Science, Kyushu University, Fukuoka, 819-0395, Japan
| | - Minoru Narita
- Institute for Advanced Life Sciences, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
- Department of Pharmacology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
- Department of Pharmacy, National Cancer Center Hospital, Tokyo, Japan
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2
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Cheng L, Shi C, Nakamura S, Esaki N, Ichiba Y, Tanaka M, Sakai K, Matsui T. Adiponectin-Receptor Agonistic Dipeptide Tyr-Pro Stimulates the Acetylcholine Nervous System in NE-4C Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:7121-7129. [PMID: 38511275 DOI: 10.1021/acs.jafc.3c07821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
The dipeptide Tyr-Pro has physiological potential for intact transportability into the brain parenchyma, prevention of cognitive impairment, and an adiponectin receptor 1 (AdipoR1) agonistic effect. The present study aimed to understand the effect of Tyr-Pro on the acetylcholine (ACh) nervous system and its underlying mechanism in NE-4C nerve cells. Concentration-dependent ACh production was induced by stimulation with Tyr-Pro and AdipoRon (an AdipoR1 agonist), along with the expression of AdipoR1 and choline acetyltransferase (ChAT) in NE-4C cells. By knocking down AdipoR1 in the cells, Tyr-Pro promoted ChAT expression, along with the activations of AMPK and ERK 1/2. Tyr-Pro did not alter acetylcholinesterase or ACh receptors, indicating that the dipeptide might operate as an ACh accelerator in nerve cells. This study provides the first evidence that the AdipoR1 agonistic Tyr-Pro is a promising dipeptide responsible for the stimulation of the ACh nervous system by AdipoR1-induced ChAT activation.
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Affiliation(s)
- Lihong Cheng
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Caiyue Shi
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Saya Nakamura
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Nana Esaki
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yuka Ichiba
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Mitsuru Tanaka
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Kenta Sakai
- Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Toshiro Matsui
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
- Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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Li Z, Dang Q, Wang P, Zhao F, Huang J, Wang C, Liu X, Min W. Food-Derived Peptides: Beneficial CNS Effects and Cross-BBB Transmission Strategies. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:20453-20478. [PMID: 38085598 DOI: 10.1021/acs.jafc.3c06518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Food-derived peptides, as dietary supplements, have significant effects on promoting brain health and relieving central nervous system (CNS) diseases. However, the blood-brain barrier (BBB) greatly limits their in-brain bioavailability. Thus, overcoming the BBB to target the CNS is a major challenge for bioactive peptides in the prevention and treatment of CNS diseases. This review discusses improvement in the neuroprotective function of food-derived active peptides in CNS diseases, as well as the source of BBB penetrating peptides (BBB-shuttles) and the mechanism of transmembrane transport. Notably, this review also discusses various peptide modification methods to overcome the low permeability and stability of the BBB. Lipification, glycosylation, introduction of disulfide bonds, and cyclization are effective strategies for improving the penetration efficiency of peptides through the BBB. This review provides a new prospective for improving their neuroprotective function and developing treatments to delay or even prevent CNS diseases.
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Affiliation(s)
- Zehui Li
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- College of Food Science and Engineering, Jilin Agricultural University, ChangChun, Jilin 130118, P.R. China
| | - Qiao Dang
- College of Food Science and Engineering, Jilin Agricultural University, ChangChun, Jilin 130118, P.R. China
| | - Peng Wang
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
| | - Fanrui Zhao
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
| | - Jianqin Huang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
| | - Chongchong Wang
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
| | - Xingquan Liu
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
| | - Weihong Min
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
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Zheng Y, Yasuda M, Yamao M, Gokan T, Sejima Y, Nishikawa T, Katayama S. Fermented soybean foods (natto) ameliorate age-related cognitive decline by hippocampal TAAR1-mediated activation of the CaMKII/CREB/BDNF signaling pathway in senescence-accelerated mouse prone 8 (SAMP8). Food Funct 2023; 14:10097-10106. [PMID: 37870125 DOI: 10.1039/d3fo03987k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
Natto is a traditional fermented soybean-based food that has been an integral part of Japanese cuisine for several centuries. Although there have been extensive studies on the cognitive benefits of soybeans, only limited studies have examined the effects of natto on cognitive function. This study investigated the potential cognitive benefits of natto in senescence-accelerated mouse-prone 8 (SAMP8) mice. After 12 weeks of oral administering natto fermented for 18 h, the spatial learning and memory performance were improved compared with those in SAMP8 control mice. Furthermore, activation of the brain-derived neurotrophic factor (BDNF)/tropomyosin receptor kinase B (TrkB)/cAMP response element-binding protein (CREB) signaling and N-methyl-D-aspartate receptor (NMDAR)-calcium/calmodulin-dependent protein kinase II (CaMKII) cascade was observed in the hippocampus of SAMP8 mice that were fed natto. Additionally, natto administration upregulated trace amine-associated receptor 1 (TAAR1) as a modulator of NMDAR. These findings suggest that natto ameliorates cognitive decline by activating the TAAR1-mediated CaMKII/CREB/BDNF signaling pathway in the hippocampus of SAMP8 mice.
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Affiliation(s)
- Yifeng Zheng
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 8304 Minamiminowa, Kamiina, Nagano 399-4598, Japan.
| | - Mayu Yasuda
- Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minamiminowa Kamiina, Nagano 399-4598, Japan
| | - Mizuki Yamao
- Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minamiminowa Kamiina, Nagano 399-4598, Japan
| | - Toshiya Gokan
- Takano Foods Co., Ltd, 1542 Noda, Omitama, Ibaraki 311-3411, Japan.
| | - Yudai Sejima
- Takano Foods Co., Ltd, 1542 Noda, Omitama, Ibaraki 311-3411, Japan.
| | | | - Shigeru Katayama
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 8304 Minamiminowa, Kamiina, Nagano 399-4598, Japan.
- Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minamiminowa Kamiina, Nagano 399-4598, Japan
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Kinoshita K, Otsuka R, Takada M, Nishita Y, Tange C, Jinzu H, Suzuki K, Shimokata H, Imaizumi A, Arai H. Dietary amino acid intake and sleep duration are additively involved in future cognitive decline in Japanese adults aged 60 years or over: a community-based longitudinal study. BMC Geriatr 2023; 23:653. [PMID: 37821805 PMCID: PMC10568860 DOI: 10.1186/s12877-023-04359-2] [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: 05/29/2023] [Accepted: 09/27/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND Sleep duration and amino acid intake are independently associated with cognitive decline. This study aimed to determine the longitudinal association between sleep duration and cognitive impairment incidence and to examine the involvement of diet, particularly amino acid intake, in these associations in community dwellers. METHODS In this longitudinal study in a community-based setting, we analyzed data from 623 adults aged 60-83 years without cognitive impairment at baseline. Sleep duration was assessed using a self-report questionnaire. Amino acid intake was assessed using 3-day dietary records. Cognitive impairment was defined as a Mini-Mental State Examination score ≤ 27. Participants were classified into short-, moderate-, and long-sleep groups according to baseline sleep duration (≤ 6, 7-8, and > 8 h, respectively). Using moderate sleep as a reference, odds ratios (ORs) and 95% confidence intervals (CIs) of short- and long-sleep for cognitive-impairment incidence were estimated using the generalized estimating equation. Participants were classified according to sex-stratified quartiles (Q) of 19 amino acid intake: Q1 and Q2-Q4 were low- and middle to high-intake groups, respectively. Using middle- to high-intake as a reference, ORs and 95% CIs of low intake for cognitive impairment incidence were estimated using the generalized estimating equation in each sleep-duration group. Follow-up period, sex, age, body mass index, depressive symptoms, education, smoking status, employment status, sleep aids use, physical activity, medical history, and Mini-Mental State Examination score at baseline were covariates. RESULTS Mean follow-up period was 6.9 ± 2.1 years. Adjusted ORs (95% CIs) for cognitive impairment in short- and long-sleep groups were 0.81 (0.49-1.35, P = 0.423) and 1.41 (1.05-1.87, P = 0.020), respectively. Particularly in long sleepers (i.e., > 8 h), cognitive impairment was significantly associated with low cystine, proline, and serine intake [adjusted ORs (95% CIs) for cognitive impairment were 2.17 (1.15-4.11, P = 0.017), 1.86 (1.07-3.23, P = 0.027), and 2.21 (1.14-4.29, P = 0.019), respectively]. CONCLUSIONS Community-dwelling adults aged ≥ 60 years who sleep longer are more likely to have cognitive decline, and attention should be paid to the low cystine, proline, and serine intake.
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Affiliation(s)
- Kaori Kinoshita
- Department of Frailty Research, Center for Gerontology and Social Science, Research Institute, National Center for Geriatrics and Gerontology, 7-430 Morioka, Obu, Aichi, 474-8511, Japan.
| | - Rei Otsuka
- Department of Epidemiology of Aging, Center for Gerontology and Social Science, Research Institute, National Center for Geriatrics and Gerontology, Aichi, Japan
| | - Michihiro Takada
- Research Institute for Bioscience Products & Fine Chemicals, AJINOMOTO CO., Inc., Kanagawa, Japan
| | - Yukiko Nishita
- Department of Epidemiology of Aging, Center for Gerontology and Social Science, Research Institute, National Center for Geriatrics and Gerontology, Aichi, Japan
| | - Chikako Tange
- Department of Epidemiology of Aging, Center for Gerontology and Social Science, Research Institute, National Center for Geriatrics and Gerontology, Aichi, Japan
| | - Hiroko Jinzu
- Institute of Food Sciences and Technologies, AJINOMOTO CO., Inc., Kanagawa, Japan
| | - Katsuya Suzuki
- Institute of Food Sciences and Technologies, AJINOMOTO CO., Inc., Kanagawa, Japan
| | - Hiroshi Shimokata
- Department of Frailty Research, Center for Gerontology and Social Science, Research Institute, National Center for Geriatrics and Gerontology, 7-430 Morioka, Obu, Aichi, 474-8511, Japan
- Graduate School of Nutritional Sciences, Nagoya University of Arts and Sciences, Aichi, Japan
| | - Akira Imaizumi
- Research Institute for Bioscience Products & Fine Chemicals, AJINOMOTO CO., Inc., Kanagawa, Japan
| | - Hidenori Arai
- National Center for Geriatrics and Gerontology, Aichi, Japan
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Cheng L, Tanaka M, Yoshino A, Nagasato Y, Takata F, Dohgu S, Matsui T. A memory-improving dipeptide, Tyr-Pro, can reach the mouse brain after oral administration. Sci Rep 2023; 13:16908. [PMID: 37805661 PMCID: PMC10560274 DOI: 10.1038/s41598-023-44161-z] [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: 02/27/2023] [Accepted: 10/04/2023] [Indexed: 10/09/2023] Open
Abstract
The transport and accumulation of orally administered functional food-derived peptides in the brain was not fully explored. Thus, in the present study, we aimed to provide critical evidence regarding brain accumulation of a memory-improving soy dipeptide, Tyr-Pro, following oral administration. Stable isotope-labeled Tyr-Pro (Tyr-[13C5,15N]Pro) was orally administered to male ICR mice at 10 or 100 mg/kg. Surprisingly, the intact labeled Tyr-Pro exhibited maximal plasma and brain levels 15 min after administration (plasma: area under the curve [AUC0-120 min], 1331 ± 267 pmol·min/mL-plasma; brain: AUC0-120 min of 0.34 ± 0.11 pmol·min/mg-dry brain, at 10 mg/kg). In addition, we detected labeled Tyr-Pro in the brain parenchyma, indicating a validated blood-brain-barrier (BBB) transportability. Moreover, we confirmed the preferable accumulation of Tyr-Pro in the hypothalamus, hippocampus, and cortex with > 0.02 pmol/mg-tissue. In conclusion, we provided the first evidence that orally administered Tyr-Pro at 10 mg/kg directly entered the blood circulation with an absorption ratio of 0.15%, of which 2.5% of Tyr-Pro was transported from the plasma to the mouse brain parenchyma.
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Affiliation(s)
- Lihong Cheng
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-Ku, Fukuoka, 819-0395, Japan
| | - Mitsuru Tanaka
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-Ku, Fukuoka, 819-0395, Japan
| | - Atsuko Yoshino
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-Ku, Fukuoka, 819-0395, Japan
| | - Yuki Nagasato
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-Ku, Fukuoka, 819-0395, Japan
| | - Fuyuko Takata
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan
| | - Shinya Dohgu
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan
| | - Toshiro Matsui
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-Ku, Fukuoka, 819-0395, Japan.
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Improvement of memory function via a combination of exercise and soy peptide supplementation in community-dwelling older adults: A randomized controlled trial. Contemp Clin Trials Commun 2022; 30:100998. [PMID: 36124312 PMCID: PMC9482121 DOI: 10.1016/j.conctc.2022.100998] [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: 03/07/2022] [Revised: 07/13/2022] [Accepted: 09/08/2022] [Indexed: 11/21/2022] Open
Abstract
Background Soy peptide, when consumed as a functional food, has been reported to improve cognitive function. This study aimed to verify the combined effect of soy peptide supplementation and exercise on cognitive function among community-dwelling older adults in Japan. Methods In this population-based, non-blinded randomized controlled trial, 72 community-dwelling older adults who were independent in activities of daily living were randomly assigned to an "exercise plus nutrition" program (Ex + Nt group, n = 36) or an exercise program (Ex group, n = 36). For 3 months, both groups participated in an exercise and cognitive training regimen once per week, with the Ex + Nt group receiving soy supplementation once per week. Pre- and post-intervention measurements included grip strength, gait speed, skeletal muscle mass index, and scores on Addenbrooke's Cognitive Examination-Revised, trail-making test A, and the Geriatric Depression Scale. Participant enrollment for this study started in January 2019 and ended in April 2019. Results Exercise training increased the skeletal muscle mass index by 2.0% and 3.0% in the Ex + Nt and Ex groups, respectively. The Ex + Nt group exhibited a significant 0.3-point increase in the memory score. Conclusion A 3-month exercise program combined with soy peptide supplementation may be effective in improving both motor and memory function in community-dwelling older adults.
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8
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Pellegrino R, Blasi F, Angelini P, Ianni F, Alabed HBR, Emiliani C, Venanzoni R, Cossignani L. LC/MS Q-TOF Metabolomic Investigation of Amino Acids and Dipeptides in Pleurotus ostreatus Grown on Different Substrates. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:10371-10382. [PMID: 35944091 PMCID: PMC9413224 DOI: 10.1021/acs.jafc.2c04197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The well-established correlation between diet and health arouses great interest in seeking new health-promoting functional foods that may contribute to improving health and well-being. Herein, the metabolomic investigation of Pleurotus ostreatus samples grown on two different substrates (black poplar wood logs, WS, and lignocellulosic byproducts, LcS) revealed the high potential of such a mushroom as a source of bioactive species. The liquid chromatography/mass spectrometry combined with quadrupole time-of-flight (LC/MS Q-TOF) analysis allowed the identification of essential and nonessential amino acids along with the outstanding presence of dipeptides. Multivariate statistical models highlighted important differences in the expression of both classes of compounds arising from the growth of P. ostreatus strains on WS and LcS. The former, in particular, was correlated to an increased expression of carnitine-based amino acid derivatives and proline-based dipeptides. This finding may represent a potential strategy to drive the expression of bioactive compounds of interest to obtain enriched mushrooms or useful functional ingredients from them.
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Affiliation(s)
| | - Francesca Blasi
- Department
of Pharmaceutical Sciences, University of
Perugia, 06126 Perugia, Italy
| | - Paola Angelini
- Department
of Chemistry, Biology and Biotechnology, University of Perugia, 06122 Perugia, Italy
| | - Federica Ianni
- Department
of Pharmaceutical Sciences, University of
Perugia, 06126 Perugia, Italy
- . Tel.: +075 5857955
| | - Husam B. R. Alabed
- Department
of Chemistry, Biology and Biotechnology, University of Perugia, 06122 Perugia, Italy
| | - Carla Emiliani
- Department
of Chemistry, Biology and Biotechnology, University of Perugia, 06122 Perugia, Italy
| | - Roberto Venanzoni
- Department
of Chemistry, Biology and Biotechnology, University of Perugia, 06122 Perugia, Italy
| | - Lina Cossignani
- Department
of Pharmaceutical Sciences, University of
Perugia, 06126 Perugia, Italy
- Center
for Perinatal and Reproductive Medicine, Santa Maria della Misericordia University Hospital, University of
Perugia, Sant’Andrea
delle Fratte, 06132 Perugia, Italy
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9
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Vallianatou T, Bèchet NB, Correia MSP, Lundgaard I, Globisch D. Regional Brain Analysis of Modified Amino Acids and Dipeptides during the Sleep/Wake Cycle. Metabolites 2021; 12:metabo12010021. [PMID: 35050142 PMCID: PMC8780251 DOI: 10.3390/metabo12010021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/19/2021] [Accepted: 12/22/2021] [Indexed: 12/18/2022] Open
Abstract
Sleep is a state in which important restorative and anabolic processes occur. Understanding changes of these metabolic processes during the circadian rhythm in the brain is crucial to elucidate neurophysiological mechanisms important for sleep function. Investigation of amino acid modifications and dipeptides has recently emerged as a valuable approach in the metabolic profiling of the central nervous system. Nonetheless, very little is known about the effects of sleep on the brain levels of amino acid analogues. In the present study, we examined brain regional sleep-induced alterations selective for modified amino acids and dipeptides using Ultra-high performance liquid chromatography-MS/MS (UHPLC-MS/MS) based metabolomics. Our approach enabled the detection and identification of numerous amino acid-containing metabolites in the cortex, the hippocampus, the midbrain, and the cerebellum. In particular, analogues of the aromatic amino acids phenylalanine, tyrosine and tryptophan were significantly altered during sleep in the investigated brain regions. Cortical levels of medium and long chain N-acyl glycines were higher during sleep. Regional specific changes were also detected, especially related to tyrosine analogues in the hippocampus and the cerebellum. Our findings demonstrate a strong correlation between circadian rhythms and amino acid metabolism specific for different brain regions that provide previously unknown insights in brain metabolism.
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Affiliation(s)
- Theodosia Vallianatou
- Science for Life Laboratory, Department of Chemistry-BMC, Uppsala University, Box 599, SE-75124 Uppsala, Sweden; (T.V.); (M.S.P.C.)
| | - Nicholas B. Bèchet
- Department of Experimental Medical Science, Lund University, SE-22362 Lund, Sweden; (N.B.B.); (I.L.)
- Wallenberg Centre for Molecular Medicine, Lund University, SE-22362 Lund, Sweden
| | - Mario S. P. Correia
- Science for Life Laboratory, Department of Chemistry-BMC, Uppsala University, Box 599, SE-75124 Uppsala, Sweden; (T.V.); (M.S.P.C.)
| | - Iben Lundgaard
- Department of Experimental Medical Science, Lund University, SE-22362 Lund, Sweden; (N.B.B.); (I.L.)
- Wallenberg Centre for Molecular Medicine, Lund University, SE-22362 Lund, Sweden
| | - Daniel Globisch
- Science for Life Laboratory, Department of Chemistry-BMC, Uppsala University, Box 599, SE-75124 Uppsala, Sweden; (T.V.); (M.S.P.C.)
- Correspondence:
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10
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Theaflavins prevent the onset of diabetes through ameliorating glucose tolerance mediated by promoted incretin secretion in spontaneous diabetic Torii rats. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104702] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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11
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Lupaescu AV, Mocanu CS, Drochioiu G, Ciobanu CI. Zinc Binding to NAP-Type Neuroprotective Peptides: Nuclear Magnetic Resonance Studies and Molecular Modeling. Pharmaceuticals (Basel) 2021; 14:ph14101011. [PMID: 34681235 PMCID: PMC8541368 DOI: 10.3390/ph14101011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/25/2021] [Accepted: 09/28/2021] [Indexed: 12/16/2022] Open
Abstract
Aggregation of amyloid-β peptides (Aβ) is a hallmark of Alzheimer’s disease (AD), which is affecting an increasing number of people. Hence, there is an urgent need to develop new pharmaceutical treatments which could be used to prevent the AD symptomatology. Activity-dependent neuroprotective protein (ADNP) was found to be deficient in AD, whereas NAP, an 8-amino-acid peptide (1NAPVSIPQ8) derived from ADNP, was shown to enhance cognitive function. The higher tendency of zinc ion to induce Aβ aggregation and formation of amorphous aggregates is also well-known in the scientific literature. Although zinc binding to Aβ peptides was extensively investigated, there is a shortage of knowledge regarding the relationship between NAP peptide and zinc ions. Therefore, here, we investigated the binding of zinc ions to the native NAP peptide and its analog obtained by replacing the serine residue in the NAP sequence with tyrosine (1NAPVYIPQ8) at various molar ratios and pH values by mass spectrometry (MS) and nuclear magnetic resonancespectroscopy (NMR). Matrix-assisted laser desorption/ionization time-of-flight (MALDI ToF) mass spectrometry confirmed the binding of zinc ions to NAP peptides, while the chemical shift of Asp1, observed in 1H-NMR spectra, provided direct evidence for the coordinating role of zinc in the N-terminal region. In addition, molecular modeling has also contributed largely to our understanding of Zn binding to NAP peptides.
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Affiliation(s)
- Ancuta-Veronica Lupaescu
- Integrated Center for Research, Development and Innovation in Advanced Materials, Nanotechnologies and Distributed Systems for Fabrication and Control (MANSiD), Stefan cel Mare University of Suceava, 720229 Suceava, Romania;
| | - Cosmin Stefan Mocanu
- Faculty of Chemistry, Alexandru Ioan Cuza University, 11 Carol I, 700506 Iasi, Romania; (C.S.M.); (G.D.)
| | - Gabi Drochioiu
- Faculty of Chemistry, Alexandru Ioan Cuza University, 11 Carol I, 700506 Iasi, Romania; (C.S.M.); (G.D.)
| | - Catalina-Ionica Ciobanu
- CERNESIM Centre, Institute of Interdisciplinary Research, Alexandru Ioan Cuza University of Iasi, 11 Carol I, 700506 Iasi, Romania
- Correspondence:
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Katayama S, Corpuz HM, Nakamura S. Potential of plant-derived peptides for the improvement of memory and cognitive function. Peptides 2021; 142:170571. [PMID: 33965441 DOI: 10.1016/j.peptides.2021.170571] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/10/2021] [Accepted: 04/25/2021] [Indexed: 12/15/2022]
Abstract
Recently, there has been an increased demand for functional foods, to reduce the risk of age-related cognitive impairment, dementia, and Alzheimer's disease. Among them, plant-derived bioactive compounds, such as phytochemicals and peptides, have notable potential in improving memory and cognitive functions. Many studies have provided potential data concerning the characteristics and structure-activity relationships of memory-enhancing peptides. When considering the proof of efficacy of these plant-based peptides in humans as neurological treatment options, it is necessary to accumulate evidence concerning their bioavailability and permeability through blood-brain barrier (BBB). This review focuses on the memory-enhancing effects of peptides derived from plant proteins and presents a current perspective on their structure-activity relationships and BBB permeability.
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Affiliation(s)
- Shigeru Katayama
- Institute for Biomedical Sciences, Shinshu University, 8304 Minamiminowa, Kamiina, Nagano, 399-4598, Japan.
| | - Henry M Corpuz
- Rice Chemistry and Food Science Division, Philippine Rice Research Institute, Maligaya, Science City of Muñoz, Nueva Ecija, 3119, Philippines
| | - Soichiro Nakamura
- Institute for Biomedical Sciences, Shinshu University, 8304 Minamiminowa, Kamiina, Nagano, 399-4598, Japan
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Han H, Choi JK, Park J, Im HC, Han JH, Huh MH, Lee YB. Recent innovations in processing technologies for improvement of nutritional quality of soymilk. CYTA - JOURNAL OF FOOD 2021. [DOI: 10.1080/19476337.2021.1893824] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Hwana Han
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Jae Kwon Choi
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Joheun Park
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Hae Cheon Im
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Jae Heum Han
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Moon Haeng Huh
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Yoon-Bok Lee
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
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Kanchi PK, Dasmahapatra AK. Enhancing the binding of the β-sheet breaker peptide LPFFD to the amyloid-β fibrils by aromatic modifications: A molecular dynamics simulation study. Comput Biol Chem 2021; 92:107471. [PMID: 33706107 DOI: 10.1016/j.compbiolchem.2021.107471] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 02/25/2021] [Accepted: 02/27/2021] [Indexed: 11/25/2022]
Abstract
Alzheimer's is a fatal neurodegenerative disease for which there is no cure at present. The disease is characterized by the presence of plaques in the brains of a patient, which are composed mainly of aggregates of the amyloid-β peptide in the form of β-sheet fibrils. Here, we investigated the possibility of exploiting the superior binding ability of aromatic amino acids to a particular model of the amyloid-β fibrils. which is a difficult target for drug design. The β-sheet breaker peptide LPFFD was modified with aromatic amino acids and its binding to these fibrils was studied. We found that the orientation and the electrostatic complementarity of the modified peptide with respect to the fibrils played a crucial role in determining whether its binding was improved by the aromatic amino acids. The modified LPFFD peptides were able to bind to those fibril residues. which are important in the aggregation of amyloid-β peptides and thus can potentially inhibit the further aggregation of the amyloid-beta peptides by blocking their interactions. We found that the tryptophan modified LPFFD peptides had the best binding affinities. In most cases, the aromatic amino acids in the N-terminus of the modified peptides made more contacts with the fibrils than those in the C-terminus. We also found that increasing the aromatic content did not significantly improve the binding of the LPFFD peptide to the fibrils. Our study can serve as a basis for the design of novel peptide-based drugs for Alzheimer's disease in which aromatic interactions play an important role.
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Affiliation(s)
- Pavan Krishna Kanchi
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Ashok Kumar Dasmahapatra
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India; Center for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India.
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Abstract
Abstract
Dietary di/tripeptides elicit preventive effects against lifestyle-related diseases such as hypertension, and hypercholesterolemia, etc. Although there have been evidential reports that the intake of protein hydrolysate improved impaired memory in human, limited studies on bioavailability, in particular, beyond the blood-brain barrier (BBB) of candidates in hydrolysate may prevent their extensive physiological studies. Thus, this review discusses the updated studies on BBB transport of peptides showing improved cognitive decline. Furthermore, their accumulation in the brain cerebral parenchyma is also introduced.
Graphical abstract
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16
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Theaflavins inhibit glucose transport across Caco-2 cells through the downregulation of the Ca2+/AMP-activated protein kinase-mediated glucose transporter SGLT1. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104273] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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17
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Gao G, Abe C, Nectoux AM, Huang SW, Miyata Y, Tanaka K, Tanaka T, Yamamura H, Matsui T. Anti-hypertensive Effect of Hesperidin and Hesperidin-containing Fermented Mikan Tea in Spontaneously Hypertensive Rats. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2020. [DOI: 10.3136/fstr.26.779] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Guanzhen Gao
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduated School of Kyushu University
| | - Chizumi Abe
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduated School of Kyushu University
| | - Alexia M. Nectoux
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduated School of Kyushu University
| | - Shu-Wei Huang
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduated School of Kyushu University
| | - Yuji Miyata
- Nagasaki Agricultural and Forestry Technical Development Center
| | | | - Takashi Tanaka
- Graduate School of Biochemical Science, Nagasaki University
| | | | - Toshiro Matsui
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduated School of Kyushu University
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