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Xiao Y, Xiao X, Zhang X, Yi D, Li T, Hao Q, Zhang F, Li X, Wang N. Mediterranean diet in the targeted prevention and personalized treatment of chronic diseases: evidence, potential mechanisms, and prospects. EPMA J 2024; 15:207-220. [PMID: 38841625 PMCID: PMC11147989 DOI: 10.1007/s13167-024-00360-w] [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: 12/07/2023] [Accepted: 04/08/2024] [Indexed: 06/07/2024]
Abstract
The prevalence of chronic diseases is currently a major public health issue worldwide and is exploding with the population growth and aging. Dietary patterns are well known to play a important role in our overall health and well-being, and therefore, poor diet and malnutrition are among the most critical risk factors for chronic disease. Thus, dietary recommendation and nutritional supplementation have significant clinical implications for the targeted treatment of some of these diseases. Multiple dietary patterns have been proposed to prevent chronic disease incidence, like Dietary Approaches to Stop Hypertension (DASH) and Diabetes Risk Reduction Diet (DRRD). Among them, the MedDiet, which is one of the most well-known and studied dietary patterns in the world, has been related to a wide extent of health benefits. Substantial evidence has supported an important reverse association between higher compliance to MedDiet and the risk of chronic disease. Innovative strategies within the healthcare framework of predictive, preventive, and personalized medicine (PPPM/3PM) view personalized dietary customization as a predictive medical approach, cost-effective preventive measures, and the optimal dietary treatment tailored to the characteristics of patients with chronic diseases in primary and secondary care. Through a comprehensive collection and review of available evidence, this review summarizes health benefits of MedDiet in the context of PPPM/3PM for chronic diseases, including cardiovascular disease, hypertension, type 2 diabetes, obesity, metabolic syndrome, osteoporosis, and cancer, thereby a working hypothesis that MedDiet can personalize the prevention and treatment of chronic diseases was derived.
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Affiliation(s)
- Yuji Xiao
- School of Public Health, Dalian Medical University, Dalian, Liaoning People’s Republic of China
- Bishan Hospital of Chongqing Medical University, Chongqing, People’s Republic of China
| | - Xuefei Xiao
- Bishan Hospital of Chongqing Medical University, Chongqing, People’s Republic of China
| | - Xue Zhang
- School of Public Health, Dalian Medical University, Dalian, Liaoning People’s Republic of China
- The Second People’s Hospital of Dalian, Dalian, Liaoning People’s Republic of China
| | - Dongxin Yi
- School of Public Health, Dalian Medical University, Dalian, Liaoning People’s Republic of China
| | - Tao Li
- Department of Cardiology, the First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning People’s Republic of China
| | - Qiangqiang Hao
- School of Public Health, Dalian Medical University, Dalian, Liaoning People’s Republic of China
| | - Feng Zhang
- School of Public Health, Dalian Medical University, Dalian, Liaoning People’s Republic of China
| | - Xu Li
- Department of Clinical Nutrition, the Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning People’s Republic of China
| | - Ningning Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Global Health Research Center, Dalian Medical University, Dalian, Liaoning People’s Republic of China
- Global Health Research Center, Dalian Medical University, Dalian, Liaoning People’s Republic of China
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Merra G, Dominici F, Gualtieri P, Capacci A, Cenname G, Esposito E, Dri M, Di Renzo L, Marchetti M. Role of vitamin K2 in bone-vascular crosstalk. INT J VITAM NUTR RES 2024; 94:143-152. [PMID: 36039403 DOI: 10.1024/0300-9831/a000761] [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] [Indexed: 12/12/2022]
Abstract
Vitamin K (VK) is a fat-soluble vitamin that is indispensable for the activation of vitamin K-dependent proteins (VKDPs). It has been shown to play an important role in the proper calcium deposit at the bone level, hindering that on the vascular walls. The deficiency of this vitamin in European populations is frequent and unknown. It is related to several factors, poor dietary intake, altered intestinal absorption or altered production by bacteria, indicating possible dysbiosis. For Vitamin K2 (VK2), there is currently no official reference daily intake (RDI). However, the effects of VK2 on the improvement of health in cardiovascular diseases, on bone metabolism, on chronic kidney diseases have been the subject of research in recent decades. The microbiota in the gastrointestinal tract plays an important role: Bacteroides are primarily capable of synthetizing very long chain forms of menaquinones and, in addition to the bacteria present in the intestinal flora, VK2 is also produced by bacteria used in food fermentation processes. This review provides an update on the current literature regarding the origin of VK2 and its implications in what is called the "calcium paradox", namely the lack of calcium in the bone and its storage in the wall of the vessel.
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Affiliation(s)
- Giuseppe Merra
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Francesca Dominici
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Paola Gualtieri
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Annunziata Capacci
- Department of Medical and Surgical Sciences, Agostino Gemelli General Hospital Foundation-IRCCS, Rome, Italy
| | - Giuseppe Cenname
- Comando Generale Arma Carabinieri, Direzione di Sanità, Rome, Italy
| | - Ernesto Esposito
- General Directorate, Department of Human Policies of Basilicata Region, Potenza, Italy
| | - Maria Dri
- Department of Surgical Sciences, School of Applied Medical-Surgical Sciences, University of Rome Tor Vergata, Rome, Italy
| | - Laura Di Renzo
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Marco Marchetti
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
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Rocchi R, Zwinkels J, Kooijman M, Garre A, Smid EJ. Development of novel natto using legumes produced in Europe. Heliyon 2024; 10:e26849. [PMID: 38463896 PMCID: PMC10923668 DOI: 10.1016/j.heliyon.2024.e26849] [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: 11/15/2023] [Revised: 02/19/2024] [Accepted: 02/21/2024] [Indexed: 03/12/2024] Open
Abstract
Natto is a traditional Japanese fermented product consisting of cooked soybeans fermented with Bacillus subtilis var. natto. We assessed three different B. subtilis strains and investigated their impact on product quality aspects, such as microbial quality, textural quality (poly-γ-glutamate strand formation), free amino acids (FAA), and volatile organic compounds (VOCs), but also the vitamin K1, K2 and B1 content, and presence of nattokinase. Using Bayesian contrast analysis, we conclude that the quality attributes were influenced by both the substrate and strain used, without significant differences in bacterial growth between strain or substrate. Overall, all the tested European legumes, except for brown beans, are adequate substrates to produce natto, with comparable or higher qualities compared to the traditional soy. Out of all the tested legumes, red lentils were the most optimal fermentation substrate. They were fermented most consistently, with high concentrations of vitamin K2, VOCs, FAA.
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Affiliation(s)
- Rebecca Rocchi
- Food Microbiology, Wageningen University and Research, Wageningen, the Netherlands
| | - Jasper Zwinkels
- Food Microbiology, Wageningen University and Research, Wageningen, the Netherlands
| | - Merit Kooijman
- Food Microbiology, Wageningen University and Research, Wageningen, the Netherlands
| | - Alberto Garre
- Department of Agricultural Engineering & Institute of Plant Biotechnology, Universidad Politécnica de Cartagena, Spain
| | - Eddy J. Smid
- Food Microbiology, Wageningen University and Research, Wageningen, the Netherlands
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Ge Q, Zhang L, Sun Z, Cai J, Jiang X, Wang H, Li X, Yu C, Xiao C, Liu Z. The mediation effect of vitamin A and vitamin D supplement in the association between serum vitamin K levels and musculoskeletal disorders in preschool children. Front Nutr 2023; 10:1239954. [PMID: 38188876 PMCID: PMC10766770 DOI: 10.3389/fnut.2023.1239954] [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: 06/14/2023] [Accepted: 12/04/2023] [Indexed: 01/09/2024] Open
Abstract
Introduction Vitamin K deficiency may elevate the incidence of musculoskeletal disorders (MSD), whereas it lacks validation for pediatric populations and has uncertain dose recommendations. In this context, we hypothesized that serum vitamin K levels are associated with MSD in preschool children, and the widely used vitamin A and vitamin D supplements may mediate these associations based on potential mechanisms, which expects to provide guidance for future practice. Methods A cross-sectional study was conducted in Sichuan province in southwestern China, from January 2021 to May 2022. Serum levels of vitamin K1/K2 and 25(OH)D were determined using the high-performance liquid chromatography method, and the diagnosis of MSD was executed by clinicians. Overall and stratified logistic regression analysis based on categorized 25(OH)D levels were conducted to assess association between serum vitamin K levels and MSD prevalence after adjusting for confounders. Mediation analysis was further performed and vitamin A and D supplementation was regressed as the mediator. Results A total of 6,368 children aged 0-6 years old were enrolled. MSD was identified in 1179 (18.51%) of the children, while 5,189 (81.49%) of them did not present such disorder. After adjusting confounders, a significant difference was found in serum vitamin K1 level between children in MSD and Non-MSD group (OR = 0.802, 95%CI 0.745-0.864). No significant difference was found in serum vitamin K2 level between the two groups (OR = 0.975, 95%CI 0.753-1.261). The association between vitamin K1 level and MSD prevalence was partly (36.8%) mediated by vitamin A and D supplementation. Conclusions A low serum vitamin K1 level is connected with an increased risk of MSD among children, highlighting that vitamin A and D supplementation is a helpful intervention to prevent MSD in children with vitamin K deficiency.
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Affiliation(s)
- Qiaoyue Ge
- Department of Maternal and Child Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
- Institute of Systems Epidemiology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lu Zhang
- Department of Maternal and Child Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
- Institute of Systems Epidemiology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zeyuan Sun
- Department of Child and Adolescent Psychiatry, School of Academic Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Jiarui Cai
- Department of Maternal and Child Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xia Jiang
- Department of Maternal and Child Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
- Institute of Systems Epidemiology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hong Wang
- Department of Child Health Care of Sichuan Maternal and Child Health Hospital, Chengdu, Sichuan, China
| | - Xinxi Li
- Department of Maternal and Child Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
- Institute of Systems Epidemiology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chuan Yu
- Department of Maternal and Child Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chenghan Xiao
- Department of Maternal and Child Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
- Institute of Systems Epidemiology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zhenmi Liu
- Department of Maternal and Child Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
- Institute of Systems Epidemiology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
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Smajdor J, Jedlińska K, Porada R, Górska-Ratusznik A, Policht A, Śróttek M, Więcek G, Baś B, Strus M. The impact of gut bacteria producing long chain homologs of vitamin K 2 on colorectal carcinogenesis. Cancer Cell Int 2023; 23:268. [PMID: 37950262 PMCID: PMC10638769 DOI: 10.1186/s12935-023-03114-2] [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: 02/15/2023] [Accepted: 10/27/2023] [Indexed: 11/12/2023] Open
Abstract
Colorectal cancer (CRC) is one of the foremost causes of cancer-related deaths. Lately, a close connection between the course of CRC and the intestinal microbiota has been revealed. Vitamin K2 (VK2) is a bacterially derived compound that plays a crucial role in the human body. Its significant anti-cancer properties may result, inter alia, from a quinone ring possessing a specific chemical structure found in many chemotherapeutics. VK2 can be supplied to our body exogenously, i.e., through dietary supplements or fermented food (e.g., yellow cheese, fermented soybeans -Natto), and endogenously, i.e., through the production of bacteria that constantly colonize the human microbiome of the large intestine.This paper focuses on endogenous K2 synthesized by the most active members of the human gut microbiome. This analysis tested 86 intestinally derived bacterial strains, among which the largest VK2 producers (Lactobacillus, Bifidobacterium, Bacillus) were selected. Moreover, based on the chosen VK2-MK4 homolog, the potential of VK2 penetration into Caco-2 cells in an aqueous environment without the coexistence of fats, pancreatic enzymes, or bile salts has been displayed. The influence of three VK2 homologs: VK2-MK4, VK2-MK7 and VK2-MK9 on apoptosis and necrosis of Caco-2 cells was tested proving the lack of their harmful effects on the tested cells. Moreover, the unique role of long-chain homologs (VK2-MK9 and VK2-MK7) in inhibiting the secretion of pro-inflammatory cytokines such as IL-8 (for Caco-2 tissue) and IL-6 and TNFα (for RAW 264.7) has been documented.
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Affiliation(s)
- Joanna Smajdor
- Department of Analytical Chemistry and Biochemistry, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. Mickiewicza, Kraków, 30-059, Poland
| | - Katarzyna Jedlińska
- Department of Analytical Chemistry and Biochemistry, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. Mickiewicza, Kraków, 30-059, Poland
| | - Radosław Porada
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, Kraków, 30- 387, Poland
| | - Anna Górska-Ratusznik
- Sieć Badawcza Łukasiewicz-Krakowski Instytut Technologiczny, ul. Zakopiańska 73, Cracow, 30-418, Poland
| | - Aleksandra Policht
- Chair of Microbiology, Jagiellonian University Medical College, Czysta 18, Krakow, 31-121, Poland
| | - Małgorzata Śróttek
- Chair of Microbiology, Jagiellonian University Medical College, Czysta 18, Krakow, 31-121, Poland
| | - Grażyna Więcek
- Chair of Microbiology, Jagiellonian University Medical College, Czysta 18, Krakow, 31-121, Poland
| | - Bogusław Baś
- Department of Analytical Chemistry and Biochemistry, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. Mickiewicza, Kraków, 30-059, Poland
| | - Magdalena Strus
- Chair of Microbiology, Jagiellonian University Medical College, Czysta 18, Krakow, 31-121, Poland.
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Chatake T, Yanagisawa Y, Murakami R, Ohsugi T, Sumi H, Takata T, Okuda A, Morishima K, Inoue R, Sugiyama M. Characterization of K-binding factor involved in water-soluble complex of menaquinone-7 produced by Bacillus subtilis natto. J Biochem 2023; 174:383-389. [PMID: 37419501 DOI: 10.1093/jb/mvad051] [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: 01/04/2023] [Revised: 06/15/2023] [Accepted: 07/02/2023] [Indexed: 07/09/2023] Open
Abstract
Vitamin Ks are expected to contribute bone and cardiovascular health. Especially, menaquinone-7 has a higher bioavailability and a longer half-life than other vitamin Ks in the human body. However, their low water-solubility limits their application. On the other hand, Bacillus subtilis natto produces a water-soluble complex, which comprises menaquinone-7 and peptides. The peptide named K-binding factor (KBF) has been reported as the main component of the complex. In the present, the structural characteristics of KBF were studied. Mass spectrometry showed significant peaks at m/z = 1050, while the previous PAGE suggested that molecular weight of KBF was ~ 3k. Amino acid analysis revealed that the 1k peptides were the various combinations of nine amino acids, among which Asx, Glx, Val, Leu and Met were found to be the most abundant. The peptides could serve as detergent properties. The 1k peptides could be isolated by reverse-phase high performance liquid chromatography. The bundle of three 1k detergent-like peptides would participate to the micelle structure containing menqauinone-7 inside. In conclusion, a basic unit of KBF would be the ~ 1k peptides, and the three basic unit assemble to the ~ 3k bundle, then the bundle form a water-soluble micelle including menqauinone-7 inside.
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Affiliation(s)
- Toshiyuki Chatake
- Insititute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Asashironishi-2, Osaka 590-0484, Japan
| | - Yasuhide Yanagisawa
- Faculty of Pharmaceutical Sciences, Chiba Institute of Science, Cho-shi, Shiomi-cho 15-8, Chiba 288-0025, Japan
| | - Risa Murakami
- Faculty of Pharmaceutical Sciences, Chiba Institute of Science, Cho-shi, Shiomi-cho 15-8, Chiba 288-0025, Japan
| | - Tadanori Ohsugi
- Department of Life Science, Kurashiki University of Science and the Arts, Kurashiki, Tsurajima-cho, Nishinoura, Okayama 712-8001, Japan
| | - Hiroyuki Sumi
- Department of Life Science, Kurashiki University of Science and the Arts, Kurashiki, Tsurajima-cho, Nishinoura, Okayama 712-8001, Japan
| | - Takumi Takata
- Insititute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Asashironishi-2, Osaka 590-0484, Japan
| | - Aya Okuda
- Insititute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Asashironishi-2, Osaka 590-0484, Japan
| | - Ken Morishima
- Insititute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Asashironishi-2, Osaka 590-0484, Japan
| | - Rintaro Inoue
- Insititute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Asashironishi-2, Osaka 590-0484, Japan
| | - Masaaki Sugiyama
- Insititute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Asashironishi-2, Osaka 590-0484, Japan
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Haroon S, Davenport A, Ling LH, Tai BC, Teo LLS, Schurgers L, Chen Z, Shroff R, Fischer DC, Khatri P, Low S, Tan JN, Chua HR, Teo BW, Ong CC, Subramanian S, Yeo XE, Wong WK, Lau TWL. Randomized Controlled Clinical Trial of the Effect of Treatment with Vitamin K2 on Vascular Calcification in Hemodialysis Patients (Trevasc-HDK). Kidney Int Rep 2023; 8:1741-1751. [PMID: 37705910 PMCID: PMC10496082 DOI: 10.1016/j.ekir.2023.06.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/03/2023] [Accepted: 06/12/2023] [Indexed: 09/15/2023] Open
Abstract
Introduction Vitamin K deficiency among patients on hemodialysis (HD) affects the function of matrix GLA protein (MGP), a potent vitamin K-dependent inhibitor of vascular calcification (VC). Methods We conducted a single-center randomized controlled trial (RCT) on maintenance HD patients to examine if vitamin K2 supplementation can reduce progression of coronary artery calcification (CAC) over an 18-month study period. Patients were randomized to vitamin K2 group receiving menaquinone-7360 μg 3 times/wk or control group. The primary outcome was CAC scores at the end of the study period. The secondary outcomes were aortic valve calcification (AVC), carotid-femoral pulse wave velocity (cfPWV), aortic augmentation index (AIx), dephosphorylated undercarboxylated MGP (dp-ucMGP) levels, major adverse cardiac events (MACE), and vascular access events. Results Of the 178 patients randomized, follow-up was completed for 138 patients. The CAC scores between the 2 groups were not statistically different at the end of 18 months (relative mean difference [RMD] 0.85, 95% CI 0.55-1.31). The secondary outcomes did not differ significantly in AVC (RMD 0.82, 95% CI 0.34-1.98), cfPWV (absolute mean difference [AMD] 0.55, 95% CI -0.50 to 1.60), and AIx (AMD 0.13, 95% CI -3.55 to 3.80). Supplementation with vitamin K2 did reduce dp-ucMGP levels (AMD -86, 95% CI -854 to -117). The composite outcome of MACE and mortality was not statistically different between the 2 groups (Hazard ratio = 0.98, 95% CI 0.50-1.94). Conclusion Our study did not demonstrate a beneficial effect of vitamin K2 in reducing progression of VC in this population at the studied dose and duration.
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Affiliation(s)
- Sabrina Haroon
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Andrew Davenport
- University College London Center for Nephrology, Royal Free Hospital, University College London, UK
| | - Lieng-Hsi Ling
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Bee-Choo Tai
- Saw Swee Hock School of Public Health, National University of Singapore, National University Health System, Singapore
| | - Lynette-Li-San Teo
- Department of Diagnostic Imaging, National University Hospital, Singapore
| | - Leon Schurgers
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, The Netherlands
| | - Zhaojin Chen
- Saw Swee Hock School of Public Health, National University of Singapore, National University Health System, Singapore
- Biostatistics Unit, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Rukshana Shroff
- UCL Great Ormond Street Hospital for Children NHS Foundation Trust, and Institute of Child Health, London, UK
| | | | - Priyanka Khatri
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Sanmay Low
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Jia-Neng Tan
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Horng-Ruey Chua
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Boon-Wee Teo
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Ching-Ching Ong
- Department of Diagnostic Imaging, National University Hospital, Singapore
| | - Srinivas Subramanian
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Xi-Er Yeo
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Weng-Kin Wong
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
| | - Titus-Wai-Leong Lau
- Division of Nephrology, University Medicine Cluster, National University Hospital Singapore, Singapore
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Li C, Liang C, Kong Z, Su Y, Ren W, Dong H, Wu Y, Yang N, Liu R, Wu J, Zheng Y. Determination of Vitamin K1, MK-4, MK-7, and D Levels in Human Serum of Postmenopausal Osteoporosis Women Based on High Stability LC-MS/MS: MK-7 May Be a New Marker of Bone Metabolism. ANNALS OF NUTRITION & METABOLISM 2023; 79:334-342. [PMID: 37253343 DOI: 10.1159/000531065] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 05/08/2023] [Indexed: 06/01/2023]
Abstract
INTRODUCTION Vitamin K (VK) as well as vitamin D (VD) plays an important role in osteoporosis. Vitamin K1 (VK1), vitamin K2 (VK2, menaquinone-4 (MK-4), and menaquinone-7 (MK-7)) are significant for the metabolism of skeletal muscle. 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 (25(OH)D2 and 25(OH)D3) reflect circulating VD levels. More sensitive measurements remain to be developed. In the present study, a new high-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed for the determination of VK1, VK2 (MK-4 and MK-7), as well as 25(OH)D2 and 25(OH)D3 levels in human serum. METHODS We developed a simple LC-MS/MS method for the determination of VK1, MK-4, MK-7, 25(OH)D2, and 25(OH)D3 levels in human serum and validated the method in a study cohort of 200 patients divided into the premenopausal women group and postmenopausal osteoporosis patient group. RESULTS The overall precision (coefficient of variation) ranged from 2.66 to 10.11% in the specified working range (0.05-5 ng/mL) for VK1, MK-4, and MK-7. Serum VK1, MK-4, and MK-7 levels in postmenopausal women with osteoporosis were 1.187 ± 0.094 ng/mL, 0.058 ± 0.009 ng/mL, and 0.885 ± 0.064 ng/mL, respectively (mean ± standard deviation). Serum VK1, MK-4, and MK-7 levels in premenopausal women were 1.143 ± 0.103 ng/mL, 0.028 ± 0.003 ng/mL, and 1.553 ± 0.226 ng/mL, respectively. Serum 25(OH)D2 and 25(OH)D3 levels in postmenopausal women with osteoporosis were 0.757 ± 0.056 ng/mL and 11.72 ± 0.632 ng/mL, respectively. Serum 25(OH)D2 and 25(OH)D3 levels in premenopausal were 1.793 ± 0.575 ng/mL and 12.42 ± 1.069 ng/mL, respectively. CONCLUSION A new LC-MS/MS method for determination of serum VK and VD levels was evaluated and validated. MK-7 in plasma decreased earlier than VD in postmenopausal osteoporosis patients. MK-7 status is significantly associated with osteoporosis and could be considered a predictable biomarker in the diagnosis of osteoporosis in postmenopausal women.
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Affiliation(s)
- Chunyan Li
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, China
- Department of Laboratory Medicine, Peking University Fourth School of Clinical Medicine, Beijing Jishuitan Hospital, Beijing, China
| | - Cuiying Liang
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, China,
- Department of Laboratory Medicine, Peking University Fourth School of Clinical Medicine, Beijing Jishuitan Hospital, Beijing, China,
| | - Ziqing Kong
- Hangzhou Calibra Diagnostics Co., LTD, Hangzhou, China
| | - Yu Su
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, China
| | - Wenhua Ren
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, China
| | - Huiran Dong
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, China
| | - Yuqi Wu
- Hangzhou Calibra Diagnostics Co., LTD, Hangzhou, China
| | - Nana Yang
- Beijing Health Biotechnology Co., LTD, Beijing, China
| | - Ruichen Liu
- Shanghai AB Sciex Analytical Instrument Trading Co., LTD., Beijing, China
| | - Jun Wu
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, China
- Department of Laboratory Medicine, Peking University Fourth School of Clinical Medicine, Beijing Jishuitan Hospital, Beijing, China
| | - Yang Zheng
- Department of Orthopaedics, Fourth Medical Center of PLA General Hospital, National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, China
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9
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Kojima N, Kim M, Saito K, Yoshida Y, Hirano H, Obuchi S, Shimada H, Suzuki T, Iwasa H, Kim H. Effects of Daily Consumption of Soy Products on Basic/Instrumental Activities of Daily Living in Community-Dwelling Japanese Women Aged 75 Years and Older: A 4-Year Cohort Study. WOMEN'S HEALTH REPORTS (NEW ROCHELLE, N.Y.) 2023; 4:232-240. [PMID: 37284486 PMCID: PMC10240334 DOI: 10.1089/whr.2022.0076] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/31/2023] [Indexed: 06/08/2023]
Abstract
Introduction Since soy isoflavones compensate for age-related estrogen reduction, adequate intake of soy products may prevent the decline in activities of daily living (ADL) due to estrogen reduction in women. However, it is unclear whether regular soy product intake prevents ADL decline. This study examined the effects of soy product consumption on basic/instrumental ADL (BADL/IADL) in Japanese women 75 years or older for 4 years. Materials and Methods The subject population consisted of 1289 women aged 75 years or older living in Tokyo who underwent private health examinations in 2008. For 1114 (or 1042) participants without baseline BADL (or IADL) disability, we examined the association between baseline soy product consumption frequency and the BADL (or IADL) disabilities 4 years later using logistic regression analyses. The models were adjusted for baseline age, or further for dietary variety for food groups other than soy products, exercise and sport participation, smoking, pre-existing disease number, and body mass index. Results Regardless of adjustment for potential confounding factors, less frequent soy product consumption was associated with higher BADL or IADL disability incidence. In the fully adjusted models, the trend toward a higher incidence of disabilities with less frequent soy product consumption was statistically significant for both BADL (p = 0.001) and IADL (p = 0.007). Conclusions Those who consumed soy products more frequently at baseline were less likely to develop BADL and IADL disabilities after 4 years than those who did not. The results show that daily soy product consumption may prevent functional ADL decline in older Japanese women.
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Affiliation(s)
- Narumi Kojima
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Miji Kim
- Department of Biomedical Science and Technology, College of Medicine, East-West Medical Research Institute, Kyung Hee University, Seoul, Republic of Korea
| | - Kyoko Saito
- Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Yuko Yoshida
- Research Team for Human Care, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Hirohiko Hirano
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Shuichi Obuchi
- Research Team for Human Care, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Hiroyuki Shimada
- National Center for Geriatrics and Gerontology, Research Institute, Obu-shi, Japan
| | - Takao Suzuki
- National Center for Geriatrics and Gerontology, Research Institute, Obu-shi, Japan
| | - Hajime Iwasa
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
- Department of Public Health, Fukushima Medical University, Fukushima City, Japan
| | - Hunkyung Kim
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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10
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Kluch M, Bednarkiewicz P, Orzechowska M, Grzelak P, Kurnatowska I. Vitamin K1 and K2 in the Diet of Patients in the Long Term after Kidney Transplantation. Nutrients 2022; 14:nu14235070. [PMID: 36501100 PMCID: PMC9741316 DOI: 10.3390/nu14235070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 12/02/2022] Open
Abstract
Vitamin K, especially its K2 form, is considered to be a protective factor against developing vascular changes and bone lesions that are common complications in kidney transplant (KTx) recipients. There is a growing number of studies showing that KTx patients are at risk of vitamin K deficiency. The aim of this study was to evaluate the intake of vitamin K1 and K2 in the diet of patients in the late period after KTx. During a routine visit at one outpatient transplantation clinic in Central Europe, a diet survey questionnaire was filled in by 151 clinically stable KTx recipients and compared with medical history, anthropometric measurements and laboratory tests. Mean vitamin K1 intake was 120.9 ± 49 μg/day and vitamin K2 (MK, menaquinone) intake 28.69 ± 11.36 μg/day, including: MK-4: 25.9 ± 9.9 μg/day; MK-5: 0.1 ± 0.2 μg/day; MK-6: 0.2 ± 0.4 μg/day; MK-7: 0.2 ± 0.23 μg/day; MK-8: 1 ± 1.9 μg/day; MK-9: 0.9 ± 2.3 μg/day; and MK-10: 0.2 ± 0.5 μg/day. Our study showed that KTx recipients' diets contained adequate amounts of vitamin K1, whereas the intake of vitamin K2 seemed insufficient.
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Affiliation(s)
- Małgorzata Kluch
- Department of Diagnostic Imaging, Polish Mother’s Memorial Hospital Research Institute, 93-338 Lodz, Poland
| | - Patrycja Bednarkiewicz
- Department of Internal Medicine and Transplant Nephrology, Medical University of Lodz, 90-153 Lodz, Poland
| | - Magdalena Orzechowska
- Department of Molecular Carcinogenesis, Medical University of Lodz, 90-752 Lodz, Poland
| | - Piotr Grzelak
- Department of Diagnostic Imaging, Polish Mother’s Memorial Hospital Research Institute, 93-338 Lodz, Poland
| | - Ilona Kurnatowska
- Department of Internal Medicine and Transplant Nephrology, Medical University of Lodz, 90-153 Lodz, Poland
- Correspondence:
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11
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Cirilli I, Orlando P, Silvestri S, Marcheggiani F, Dludla PV, Kaesler N, Tiano L. Carboxylative efficacy of trans and cis MK7 and comparison with other vitamin K isomers. Biofactors 2022; 48:1129-1136. [PMID: 35583412 PMCID: PMC9790681 DOI: 10.1002/biof.1844] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 04/20/2022] [Indexed: 12/30/2022]
Abstract
Carboxylative enzymes are involved in many pathways and their regulation plays a crucial role in many of these pathways. In particular, γ-glutamylcarboxylase (GGCX) converts glutamate residues (Glu) into γ-carboxyglutamate (Gla) of the vitamin K-dependent proteins (VKDPs) activating them. VKDPs include at least 17 proteins involved in processes such as blood coagulation, blood vessels calcification, and bone mineralization. VKDPs are activated by the reduced form of vitamin K, naturally occurring as vitamin K1 (phylloquinone) and K2 (menaquinones, MKs). Among these, MK7 is the most efficient in terms of bioavailability and biological effect. Similarly to other trans isomers, it is produced by natural fermentation or chemically in both trans and cis. However, the efficacy of the biological effect of the different isomers and the impact on humans are unknown. Our study assessed carboxylative efficacy of trans and cis MK7 and compared it with other vitamin K isomers, evaluating both the expression of residues of carboxylated Gla-protein by western blot analysis and using a cell-free system to determine the GGCX activity by HPLC. Trans MK7H2 showed a higher ability to carboxylate the 70 KDa GLA-protein, previously inhibited in vitro by warfarin treatment. However, cis MK7 also induced a carboxylation activity albeit of a small extent. The data were confirmed chromatographically, in which a slight carboxylative activity of cis MK7H2 was demonstrated, comparable with both K1H2 and oxidized trans MK7 but less than trans MK7H2 . For the first time, a difference of biological activity between cis and trans configuration of menaquinone-7 has been reported.
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Affiliation(s)
- Ilenia Cirilli
- Department of Life and Environmental SciencesPolytechnic University of MarcheAnconaItaly
| | - Patrick Orlando
- Department of Life and Environmental SciencesPolytechnic University of MarcheAnconaItaly
| | - Sonia Silvestri
- Department of Life and Environmental SciencesPolytechnic University of MarcheAnconaItaly
| | - Fabio Marcheggiani
- Department of Life and Environmental SciencesPolytechnic University of MarcheAnconaItaly
| | - Phiwayinkosi V. Dludla
- Biomedical Research and Innovation PlatformSouth African Medical Research CouncilTygerbergSouth Africa
| | - Nadine Kaesler
- Division of Nephrology and Clinical ImmunologyUniversity Hospital of the RWTH AachenAachenGermany
| | - Luca Tiano
- Department of Life and Environmental SciencesPolytechnic University of MarcheAnconaItaly
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12
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Ma ML, Ma ZJ, He YL, Sun H, Yang B, Ruan BJ, Zhan WD, Li SX, Dong H, Wang YX. Efficacy of vitamin K2 in the prevention and treatment of postmenopausal osteoporosis: A systematic review and meta-analysis of randomized controlled trials. Front Public Health 2022; 10:979649. [PMID: 36033779 PMCID: PMC9403798 DOI: 10.3389/fpubh.2022.979649] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 07/21/2022] [Indexed: 01/25/2023] Open
Abstract
Introduction Vitamin K (VK) as a nutrient, is a cofactor in the carboxylation of osteocalcin (OC), which can bind with hydroxyapatite to promote bone mineralization and increase bone strength. However, some studies have been inconsistent on whether vitamin K2 (VK2) can maintain or improve bone mineral density (BMD) and reduce the incidence of fractures in postmenopausal women. Therefore, the main objective of this meta-analysis was to determine the effect of VK2 as a nutritional supplement on BMD and fracture incidence in postmenopausal women. Methods We searched PubMed, EMBASE, and Cochrane Library databases (published before March 17, 2022) and then extracted and pooled data from all randomized controlled trials (RCTs) that met the inclusion criteria. Results Sixteen RCTs with a total of 6,425 subjects were included in this meta-analysis. The overall effect test of 10 studies showed a significant improvement in lumbar spine BMD (BMD LS) (P = 0.006) with VK2. The subgroup analysis of VK2 combination therapy showed that BMD LS was significantly maintained and improved with the administration of VK2 (P = 0.03). The overall effect test of the six RCTs showed no significant difference in fracture incidence between the two groups (RR=0.96, P=0.65). However, after excluding one heterogeneous study, the overall effect test showed a significant reduction in fracture incidence with VK2 (RR = 0.43, P = 0.01). In addition, this meta-analysis showed that VK2 reduced serum undercarboxylated osteocalcin (uc-OC) levels and the ratio of uc-OC to cOC in both subgroups of VK2 combined intervention and alone. However, for carboxylated osteocalcin (cOC), both subgroup analysis and overall effect test showed no significant effect of VK2 on it. And the pooled analysis of adverse reactions showed no significant difference between the VK2 and control groups (RR = 1.03, 95%CI 0.87 to 1.21, P = 0.76). Conclusions The results of this meta-analysis seem to indicate that VK2 supplementation has a positive effect on the maintenance and improvement of BMD LS in postmenopausal women, and it can also reduce the fracture incidence, serum uc-OC levels and the ratio of uc-OC to cOC. In conclusion, VK2 can indirectly promote bone mineralization and increase bone strength.
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Affiliation(s)
- Ming-ling Ma
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, China,Department of Graduate School, Dalian Medical University, Dalian, China
| | - Zi-jian Ma
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, China,Yangzhou University Medical College, Yangzhou, China
| | - Yi-lang He
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, China,Department of Graduate School, Dalian Medical University, Dalian, China
| | - Hao Sun
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Bin Yang
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, China,Yangzhou University Medical College, Yangzhou, China
| | - Bin-jia Ruan
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Wan-da Zhan
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, China,Yangzhou University Medical College, Yangzhou, China
| | - Shi-xuan Li
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, China,Department of Graduate School, Dalian Medical University, Dalian, China
| | - Hui Dong
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, China,Hui Dong
| | - Yong-xiang Wang
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, China,*Correspondence: Yong-xiang Wang
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13
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Qiao Y, Zhang K, Zhang Z, Zhang C, Sun Y, Feng Z. Fermented soybean foods: A review of their functional components, mechanism of action and factors influencing their health benefits. Food Res Int 2022; 158:111575. [PMID: 35840260 DOI: 10.1016/j.foodres.2022.111575] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 11/27/2022]
Abstract
After thousands of years of evolution and development, traditional fermented soybean foods, with their unique charm, have gained a stable place in the global market. With the explosive development of modern biological technologies, some traditional fermented soybean foods that possess health-promoting benefits are gradually appearing. Physiologically active substances in fermented soybean foods have received extensive attention in recent decades. This review addresses the potential health benefits of several representative fermented soybean foods, as well as the action mechanism and influencing factors of their functional components. Phenolic compounds, low-molecular-weight peptides, melanoidins, furanones and 3-hydroxyanthranilic acid are the antioxidative components predominantly found in fermented soybean foods. Angiotensin I-converting enzyme inhibitory peptides and γ-aminobutyric acid isolated from fermented soy foods provide potential selectivity for hypertension therapy. The potential anti-inflammatory bioactive components in fermented soybean foods include γ-linolenic acid, butyric acid, soy sauce polysaccharides, 2S albumin and isoflavone glycones. Deoxynojirimycin, genistein, and betaine possess high activity against α-glucosidase. Additionally, fermented soybean foods contain neuroprotective constituents, including indole alkaloids, nattokinase, arbutin, and isoflavone vitamin B12. The anticancer activities of fermented soybean foods are associated with surfactin, isolavone, furanones, trypsin inhibitors, and 3-hydroxyanthranilic acid. Nattokinase is highly correlated with antioxidant activity. And a high level of menaquinones-7 is linked to protection against neurodegenerative diseases. Sufficiently recognizing and exploiting the health benefits and functional components of traditional fermented soybean foods could provide a new strategy in the development of the food fermentation industry.
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Affiliation(s)
- Yali Qiao
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, No.600, Changjiang Road, Harbin 150030, China
| | - Kenan Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, No.600, Changjiang Road, Harbin 150030, China
| | - Zongcai Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, No.600, Changjiang Road, Harbin 150030, China
| | - Chao Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, No.600, Changjiang Road, Harbin 150030, China
| | - Yan Sun
- Heilongjiang Tobacco Industry Co., Ltd. Harbin Cigarette Factory, Harbin 150027, China
| | - Zhen Feng
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, No.600, Changjiang Road, Harbin 150030, China; Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning 571533, China.
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14
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Vitamin K2 Improves Osteogenic Differentiation by Inhibiting STAT1 via the Bcl-6 and IL-6/JAK in C3H10 T1/2 Clone 8 Cells. Nutrients 2022; 14:nu14142934. [PMID: 35889891 PMCID: PMC9316273 DOI: 10.3390/nu14142934] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/12/2022] [Accepted: 07/15/2022] [Indexed: 01/27/2023] Open
Abstract
Osteogenic activity of vitamin K2 (VK2), a small molecular nutrient, has been suggested. However, the underlying mechanisms have not been fully elucidated. Therefore, this study aimed to explore the mechanisms by which VK2 promotes osteogenic differentiation. The effects of VK2 on osteogenic differentiation indicators were determined in C3H10 T1/2 clone 8 cells. The RNA-seq analysis was used to explore the hypothesis that VK2 promotes osteogenic differentiation. Small interfering RNA (siRNA) assay and plasmid transfection assay were used to determine the potential role of VK2 in the modulation of Bcl-6/STAT axis and IL-6/JAK/STAT signaling pathway. VK2 significantly increased alkaline phosphatase (ALP) activity, ALP, osteocalcin (OCN), and RUNX2 abundance, and RUNX2 protein expression. RNA-seq analysis showed that there were 314 differentially expressed genes (DEGs) upregulated and 1348 DEGs downregulated by VK2. PPI analysis determined the top 10 hub genes upregulated or downregulated by VK2. Overexpression of Bcl-6 increased osteogenic differentiation and decreased expression of STAT1. Administration with VK2 restored the inhibition by siBcl-6 in osteogenic differentiation. Knockdown of IL-6 decreased the mRNA levels of genes associated with the JAK/STAT signaling pathway, and increased markers of osteoblast differentiation. Furthermore, treatment with VK2 improved inhibition in osteogenic differentiation and decreased enhancement of JAK/STAT signaling pathway related genes by overexpression of IL-6. Our study suggests that VK2 could improve osteogenic differentiation via the Bcl-6/STAT axis and IL-6/JAK/STAT signaling pathway.
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15
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Jadhav N, Ajgaonkar S, Saha P, Gurav P, Pandey A, Basudkar V, Gada Y, Panda S, Jadhav S, Mehta D, Nair S. Molecular Pathways and Roles for Vitamin K2-7 as a Health-Beneficial Nutraceutical: Challenges and Opportunities. Front Pharmacol 2022; 13:896920. [PMID: 35774605 PMCID: PMC9237441 DOI: 10.3389/fphar.2022.896920] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/12/2022] [Indexed: 11/15/2022] Open
Abstract
Vitamin K2-7, also known as menaquinone-7 (MK-7) is a form of vitamin K that has health-beneficial effects in osteoporosis, cardiovascular disease, inflammation, cancer, Alzheimer’s disease, diabetes and peripheral neuropathy. Compared to vitamin K1 (phylloquinone), K2-7 is absorbed more readily and is more bioavailable. Clinical studies have unequivocally demonstrated the utility of vitamin K2-7 supplementation in ameliorating peripheral neuropathy, reducing bone fracture risk and improving cardiovascular health. We examine how undercarboxylated osteocalcin (ucOC) and matrix Gla protein (ucMGP) are converted to carboxylated forms (cOC and cMGP respectively) by K2-7 acting as a cofactor, thus facilitating the deposition of calcium in bones and preventing vascular calcification. K2-7 is beneficial in managing bone loss because it upregulates osteoprotegerin which is a decoy receptor for RANK ligand (RANKL) thus inhibiting bone resorption. We also review the evidence for the health-beneficial outcomes of K2-7 in diabetes, peripheral neuropathy and Alzheimer’s disease. In addition, we discuss the K2-7-mediated suppression of growth in cancer cells via cell-cycle arrest, autophagy and apoptosis. The mechanistic basis for the disease-modulating effects of K2-7 is mediated through various signal transduction pathways such as PI3K/AKT, MAP Kinase, JAK/STAT, NF-κB, etc. Interestingly, K2-7 is also responsible for suppression of proinflammatory mediators such as IL-1α, IL-1β and TNF-α. We elucidate various genes modulated by K2-7 as well as the clinical pharmacometrics of vitamin K2-7 including K2-7-mediated pharmacokinetics/pharmacodynamics (PK/PD). Further, we discuss the current status of clinical trials on K2-7 that shed light on dosing strategies for maximum health benefits. Taken together, this is a synthetic review that delineates the health-beneficial effects of K2-7 in a clinical setting, highlights the molecular basis for these effects, elucidates the clinical pharmacokinetics of K2-7, and underscores the need for K2-7 supplementation in the global diet.
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Affiliation(s)
| | | | | | | | | | | | - Yash Gada
- Viridis Biopharma Pvt. Ltd., Mumbai, India
| | | | | | - Dilip Mehta
- Synergia Life Sciences Pvt. Ltd., Mumbai, India
| | - Sujit Nair
- Viridis Biopharma Pvt. Ltd., Mumbai, India
- *Correspondence: Sujit Nair,
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16
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Azuma K, Osuka Y, Kojima N, Sasai H, Kim H, Inoue S. Association of Vitamin K Insufficiency as Evaluated by Serum Undercarboxylated Osteocalcin With Frailty in Community-Dwelling Older Adults. FRONTIERS IN AGING 2022; 3:865178. [PMID: 35821817 PMCID: PMC9261387 DOI: 10.3389/fragi.2022.865178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/15/2022] [Indexed: 11/13/2022]
Abstract
Frailty is the state of having a reduced ability to recover from stress. Intervention in frailty is important for fulfilling healthy longevity. Vitamin K is a fat-soluble vitamin contained in vegetables and fermented foods. Although vitamin K is shown to be associated with several age-related diseases, studies on the association of vitamin K intake and frailty in the elderly population are limited. In the present study, a total of 800 community-dwelling older adults (mean age = 75.9) were recruited for a comprehensive geriatric health examination, including frailty evaluation based on the Japanese version of the Cardiovascular Health Study criteria. Serum concentrations of total osteocalcin (OC) and undercarboxylated osteocalcin (ucOC) were measured. The ratio of ucOC and OC (ucOC/OC), which reflects vitamin K insufficiency, was calculated for each participant, and the values were divided into quartiles. A binary logistic regression analysis was performed to evaluate the risk of frailty for each quartile of ucOC/OC, with the lowest quartile as the reference. Significant association of frailty and the highest quartile of ucOC/OC was found with the odds ratio of 2.49 (p = 0.023) with adjustment with age, sex, body mass index, dietary intake, and several clinical characteristics. When the analysis was repeated in each component of frailty, the highest quartiles of ucOC/OC had the tendency of association with “slow walking speed” and “low activity.” Our findings demonstrated the association between vitamin K insufficiency and frailty in the elderly population. Our analysis also suggests that vitamin K insufficiency could be associated with selected components of frailty.
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Affiliation(s)
- Kotaro Azuma
- Department of Systems Aging Science and Medicine, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Yosuke Osuka
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Narumi Kojima
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Hiroyuki Sasai
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Hunkyung Kim
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Satoshi Inoue
- Department of Systems Aging Science and Medicine, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
- *Correspondence: Satoshi Inoue,
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17
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Vaidya R, Vaidya ADB, Sheth J, Jadhav S, Mahale U, Mehta D, Popko J, Badmaev V, Stohs SJ. Vitamin K Insufficiency in the Indian Population: Pilot Observational Epidemiology Study. JMIR Public Health Surveill 2022; 8:e31941. [PMID: 35113033 PMCID: PMC8855304 DOI: 10.2196/31941] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/07/2021] [Accepted: 10/20/2021] [Indexed: 11/13/2022] Open
Abstract
Background The fat-soluble K vitamins K1 and K2 play an essential role in the blood coagulation cascade and are made available predominantly through selective dietary intakes. They are less known for their nonessential roles in a family of vitamin K–dependent proteins that promote various functions of organs and systems in the body. A lack of vitamin K can characterize vitamin and nutritional element insufficiency, which is different from a clinically apparent vitamin deficiency. Objective This epidemiological study evaluated the nutritional status of vitamin K in a sample of the Indian population and vitamin K content in staple Indian foods. Methods Serum levels of vitamin K1 and vitamin K2 in the form of menaquinone-7 (MK-7) were assessed via high-performance liquid chromatography coupled with fluorescence detection in 209 patients with type 2 diabetes, 50 healthy volunteers, and common staple foods in India. Results After comparing populations with high and low serum vitamin K levels from various geographical regions, our results indicated that the sample of healthy Indian individuals and the sample of Indian patients with type 2 diabetes had low (insufficient) levels of vitamin K2 (MK-7; range 0.3-0.4 ng/mL). No significant differences existed in vitamin K1–related and MK-7–related values between healthy male and female subjects, between male and female subjects with diabetes, and between the healthy sample and the sample of patients with diabetes. The staple, commonly consumed Indian foods that were tested in this study had undetectable levels of vitamin K2, while levels of vitamin K1 varied widely (range 0-37 µg/100 g). Conclusions Based on our sample’s low serum levels of vitamin K2 (MK-7) as well as the low levels of vitamin K2 in their typical diet, we propose that the general Indian population could benefit from the consumption of vitamin K2 in the form of MK-7 supplements. Trial Registration Clinical Trials Registry - India CTRI/2019/05/014246; http://ctri.nic.in/Clinicaltrials/showallp.php?mid1=21660&EncHid=&userName=014246; Clinical Trials Registry - India CTRI/2019/03/018278; http://ctri.nic.in/Clinicaltrials/showallp.php?mid1=32349&EncHid=&userName=018278
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Affiliation(s)
- Rama Vaidya
- Division of Endocrine and Metabolic Disorders, Medical and Research Centre, Kasturba Health Society, Mumbai, Maharashtra, India
| | | | - Jayesh Sheth
- The Foundation for Research in Genetics and Endocrinology, Ahmedabad, Gujarat, India
| | | | - Umakant Mahale
- Synergia Life Sciences Pvt Ltd, Mumbai, Maharashtra, India
| | - Dilip Mehta
- Synergia Life Sciences Pvt Ltd, Mumbai, Maharashtra, India
| | - Janusz Popko
- Medical University of Bialystok, Bialystok, Poland
| | | | - Sidney J Stohs
- Creighton University Medical Center, Frisco, TX, United States
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18
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Basak S, Gokhale J. Immunity boosting nutraceuticals: Current trends and challenges. J Food Biochem 2021; 46:e13902. [PMID: 34467553 DOI: 10.1111/jfbc.13902] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/29/2021] [Accepted: 08/03/2021] [Indexed: 12/23/2022]
Abstract
The immune function of the human body is highly influenced by the dietary intake of certain nutrients and bioactive compounds present in foods. The preventive effects of these bioactive ingredients against various diseases have been well investigated. Functional foods are consumed across various diverse cultures, in some form or the other, which provide benefits greater than the basic nutritional needs. Novel functional foods are being developed using novel bioactive ingredients such as probiotics, polyunsaturated fatty acids, and various phytoconstituents, which have a range of immunomodulatory properties. Apart from immunomodulation, these ingredients also affect immunity by their antioxidant, antibacterial, and antiviral properties. The global pandemic of Severe Acute Respiratory Syndrome Coronavirus-2 has forced the scientific community to race against time to find a proper and effective drug or a vaccine. In this review, various non-pharmacological interventions using nutraceuticals and functional foods have been discussed. PRACTICAL APPLICATIONS: Despite a plethora of research being undertaken to understand the immunity boosting properties of the various bioactive present in food, the findings are not translating to nutraceutical products in the market. Immunity has proved to be one of the most important factors for the health and well-being of an individual, especially when the world has been under the grip of the novel coronavirus Severe Acute Respiratory Syndrome Coronavirus-2. The anti-inflammatory properties of various nutraceuticals can come out as potential inhibitors of the various inflammatory processes such as cytokine storms, usually being observed in COVID 19. This review gives an insight into how various nutraceuticals can help in the prevention of various diseases through different mechanisms. The lack of awareness and proper clinical trials pose a challenge to the nutraceutical industry. This review will help and encourage researchers to further design and develop various functional foods, which might help in building immunity.
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Affiliation(s)
- Somnath Basak
- Department of Food Engineering and Technology, Institute of Chemical Technology, Mumbai, India
| | - Jyoti Gokhale
- Department of Food Engineering and Technology, Institute of Chemical Technology, Mumbai, India
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19
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Nakajima T, Taya Y, Nishikawa T, Kitamura Y, Kato H, Mathis BJ, Hiramatsu Y. First Clinical Trial of a Newly Developed, Low Menaquinone-7, Fermented Soybean Natto in Warfarin-Dependent Patients. J Med Food 2021; 24:860-865. [PMID: 34406879 DOI: 10.1089/jmf.2021.0036] [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] [Indexed: 11/13/2022] Open
Abstract
Bacillus subtilis fermented soybeans (natto) contain high vitamin K2 levels, mostly as menaquinone-7 (MK-7), and must be avoided by warfarin-dependent patients. This is the first report which demonstrates the characteristics and clinical relevance of a low MK-7 natto for such patients. We generated a novel, mutant B. subtilis strain TTCC2051 with short-term fermentation and reduced MK-7 production, yielding 19-24% of the normal MK-7 content. After functional assessments and a preclinical trial, 10 warfarin-dependent patients underwent a clinical trial with a 7-day ingestion test of the low MK-7 natto. Functional assessments were satisfactory, and the preclinical trial showed no increases in plasma MK-7 levels after 7 days of ingestion. In the clinical trial, 20 g/day of the low MK-7 natto significantly increased plasma MK-7 levels while 10 g/day did not. However, neither dose of low MK-7 natto changed international normalized ratio of prothrombin time (PT-INR) values in either group. The low MK-7 natto neither changed PT-INR values nor precipitated adverse events if ingested with a once-daily maximum of 20 g (46 μg of MK-7). Thus, this novel food product has potential for consumption by warfarin-dependent patients.
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Affiliation(s)
| | - Yuki Taya
- Laboratory, Takano Foods Co. Ltd., Omitama, Japan
| | | | - Yutaka Kitamura
- Faculty of Life & Environmental Sciences, University of Tsukuba, Tsukuba, Japan
| | - Hideyuki Kato
- Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Bryan J Mathis
- Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Yuji Hiramatsu
- Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
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20
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Sultana H, Komai M, Shirakawa H. The Role of Vitamin K in Cholestatic Liver Disease. Nutrients 2021; 13:nu13082515. [PMID: 34444675 PMCID: PMC8400302 DOI: 10.3390/nu13082515] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/14/2021] [Accepted: 07/21/2021] [Indexed: 12/13/2022] Open
Abstract
Vitamin K (VK) is a ligand of the pregnane X receptor (PXR), which plays a critical role in the detoxification of xenobiotics and metabolism of bile acids. VK1 may reduce the risk of death in patients with chronic liver failure. VK deficiency is associated with intrahepatic cholestasis, and is already being used as a drug for cholestasis-induced liver fibrosis in China. In Japan, to treat osteoporosis in patients with primary biliary cholangitis, VK2 formulations are prescribed, along with vitamin D3. Animal studies have revealed that after bile duct ligation-induced cholestasis, PXR knockout mice manifested more hepatic damage than wild-type mice. Ligand-mediated activation of PXR improves biochemical parameters. Rifampicin is a well-known human PXR ligand that has been used to treat intractable pruritus in severe cholestasis. In addition to its anti-cholestatic properties, PXR has anti-fibrotic and anti-inflammatory effects. However, because of the scarcity of animal studies, the mechanism of the effect of VK on cholestasis-related liver disease has not yet been revealed. Moreover, the application of VK in cholestasis-related diseases is controversial. Considering this background, the present review focuses on the effect of VK in cholestasis-related diseases, emphasizing its function as a modulator of PXR.
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Affiliation(s)
- Halima Sultana
- Laboratory of Nutrition, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai 980-8572, Japan; (H.S.); (M.K.)
| | - Michio Komai
- Laboratory of Nutrition, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai 980-8572, Japan; (H.S.); (M.K.)
| | - Hitoshi Shirakawa
- Laboratory of Nutrition, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai 980-8572, Japan; (H.S.); (M.K.)
- International Education and Research Center for Food Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai 980-8572, Japan
- Correspondence: ; Tel.: +81-22-757-4402
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21
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Kaesler N, Schurgers LJ, Floege J. Vitamin K and cardiovascular complications in CKD patients. Kidney Int 2021; 100:1023-1036. [PMID: 34310988 DOI: 10.1016/j.kint.2021.06.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 06/08/2021] [Accepted: 06/11/2021] [Indexed: 01/07/2023]
Abstract
Vitamin K, well known for its role in coagulation, encompasses two major subgroups: Vitamin K1 is exclusively synthesized by plants, whereas vitamin K2 mostly originates from bacterial synthesis. Vitamin K serves as a cofactor for the enzyme γ-glutamyl carboxylase, which carboxylates and thereby activates various vitamin K dependent proteins. Several vitamin K-dependent proteins are synthesized in bone but the role of vitamin K for bone health in CKD patients, in particular the prevention of osteoporosis is still not firmly established. Here we focus on another prominent action of vitamin K, in particular vitamin K2, namely the activation of matrix Gla protein (MGP), the most potent inhibitor of cardiovascular calcifications. Multiple observational studies link relative vitamin K deficiency or low intake to cardiovascular calcification progress, morbidity and mortality. Patients with advanced chronic kidney disease (CKD) are particularly vitamin K deficient, in part because of dietary restrictions but possibly also due to impaired endogenous recycling of vitamin K. At the same time this population is characterized by markedly accelerated cardiovascular calcifications and mortality. High dose dietary supplementation with vitamin K2, in particular the most potent form menaquinone-7 (MK7), can potently reduce circulating levels of dephosphorylated uncarboxylated, i.e. inactive MGP in patients with end stage kidney disease. However, despite this compelling data basis, several randomized controlled trials with high dose MK7 supplements in patients with advanced CKD have failed to confirm cardiovascular benefits. Here we discuss potential reasons and solutions for this.
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Affiliation(s)
- Nadine Kaesler
- Division of Nephrology and Rheumatology, University Hospital, Rheinisch Westfälische Technische Hochschule, Aachen, Germany
| | - Leon J Schurgers
- Department of Biochemistry and Cardiovascular Research Institute Maastricht, School for Cardiovascular Diseases, Maastricht University, Maastricht, the Netherlands; Institute of Experimental Medicine and Systems Biology, Rheinisch Westfälische Technische Hochschule, Aachen University, Aachen, Germany
| | - Jürgen Floege
- Division of Nephrology and Rheumatology, University Hospital, Rheinisch Westfälische Technische Hochschule, Aachen, Germany.
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22
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Wu H, Wang H, Wang P, Zhao G, Liu H, Wang L, Sun X, Zheng Z. Gradient radiation breeding and culture domestication of menaquinone producing strains. Bioprocess Biosyst Eng 2021; 44:1373-1382. [PMID: 34008084 DOI: 10.1007/s00449-021-02508-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 01/03/2021] [Indexed: 11/27/2022]
Abstract
By comparing the survival rate and positive mutation rate of the primary mutagenic strain and progeny mutagenic strain under different radiation doses, the results showed that the tolerance of the mutagenic strain to radiation dose increased with the increase of the mutagenic generations. We adopted an improved gradient radiation breeding strategy to improve the breeding efficiency. The strains were treated with radiation in four stages. The first stage was low energy N+ ion implantation (ion energy 15 keV, dose 80 × 2.6 × 1013 cm-2). In the second stage, the energy and dose of N+ ion reached to 20 keV, 90 × 2.6 × 1013 cm-2. In the third stage, 60Co-γ radiation (dose of 1.56 kGy) was used. In the fourth stage, the radiation dose of 60Co-γ increased to 1.82 kGy. After each stage of radiation, the MK (Menaquinone) precursor 1, 4-dihydroxy-2-naphthalate (DHNA) was used as the stress factor to domesticate the mutant strains. By gradually increasing the concentration of DHNA in the culture medium, the substrate tolerance of Flavobacterium sp. was effectively improved. By measuring SOD (superoxide dismutase) activity and malondialdehyde, it showed that the cell damage caused by radiation mutagenesis to the offspring mutant was less than that of the primary mutant. Changes in membrane permeability and membrane potential of the mutant strains were reflected in changes in fluorescence intensity of luciferin diacetate and rhodamine 123, which could explain the enhanced substrate tolerance of strain F-2. After gradient radiation breeding and culture acclimation, the biomass of mutant Strain F-2 was 6.59 g/L, and the MK yield was 9.59 mg/L.
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Affiliation(s)
- Hefang Wu
- Key Laboratory of High Magnetic Field And Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Shushanhu Road No. 350, Hefei, 210031, Anhui, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Han Wang
- Key Laboratory of High Magnetic Field And Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Shushanhu Road No. 350, Hefei, 210031, Anhui, China
| | - Peng Wang
- Key Laboratory of High Magnetic Field And Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Shushanhu Road No. 350, Hefei, 210031, Anhui, China
| | - Geihai Zhao
- Key Laboratory of High Magnetic Field And Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Shushanhu Road No. 350, Hefei, 210031, Anhui, China
| | - Hui Liu
- Key Laboratory of High Magnetic Field And Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Shushanhu Road No. 350, Hefei, 210031, Anhui, China
| | - Li Wang
- Key Laboratory of High Magnetic Field And Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Shushanhu Road No. 350, Hefei, 210031, Anhui, China
| | - Xiaowen Sun
- Key Laboratory of High Magnetic Field And Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Shushanhu Road No. 350, Hefei, 210031, Anhui, China
| | - Zhiming Zheng
- Key Laboratory of High Magnetic Field And Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Shushanhu Road No. 350, Hefei, 210031, Anhui, China.
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23
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Bose S, Sarkar N, Banerjee D. Natural medicine delivery from biomedical devices to treat bone disorders: A review. Acta Biomater 2021; 126:63-91. [PMID: 33657451 PMCID: PMC8247456 DOI: 10.1016/j.actbio.2021.02.034] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 02/18/2021] [Accepted: 02/20/2021] [Indexed: 12/28/2022]
Abstract
With an increasing life expectancy and aging population, orthopedic defects and bone graft surgeries are increasing in global prevalence. Research to date has advanced the understanding of bone biology and defect repair mechanism, leading to a marked success in the development of synthetic bone substitutes. Yet, the quest for functionalized bone grafts prompted the researchers to find a viable alternative that regulates cellular activity and supports bone regeneration and healing process without causing serious side-effects. Recently, researchers have introduced natural medicinal compounds (NMCs) in bone scaffold that enables them to release at a desirable rate, maintains a sustained release allowing sufficient time for tissue in-growth, and guides bone regeneration process with minimized risk of tissue toxicity. According to World Health Organization (WHO), NMCs are gaining popularity in western countries for the last two decades and are being used by 80% of the population worldwide. Compared to synthetic drugs, NMCs have a broader range of safety window and thus suitable for prolonged localized delivery for bone regeneration. There is limited literature focusing on the integration of bone grafts and natural medicines that provides detailed scientific evidences on NMCs, their toxic limits and particular application in bone tissue engineering, which could guide the researchers to develop functionalized implants for various bone disorders. This review will discuss the emerging trend of NMC delivery from bone grafts, including 3D-printed structures and surface-modified implants, highlighting the significance and potential of NMCs for bone health, guiding future paths toward the development of an ideal bone tissue engineering scaffold. STATEMENT OF SIGNIFICANCE: To date, additive manufacturing technology provids us with many advanced patient specific or defect specific bone constructs exhibiting three-dimensional, well-defined microstructure with interconnected porous networks for defect-repair applications. However, an ideal scaffold should also be able to supply biological signals that actively guide tissue regeneration while simultaneously preventing post-implantation complications. Natural biomolecules are gaining popularity in tissue engineering since they possess a safer, effective approach compared to synthetic drugs. The integration of bone scaffolds and natural biomolecules exploits the advantages of customized, multi-functional bone implants to provide localized delivery of biochemical signals in a controlled manner. This review presents an overview of bone scaffolds as delivery systems for natural biomolecules, which may provide prominent advancement in bone development and improve defect-healing caused by various musculoskeletal disorders.
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Affiliation(s)
- Susmita Bose
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, United States.
| | - Naboneeta Sarkar
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, United States
| | - Dishary Banerjee
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, United States
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24
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Li KJ, Brouwer-Brolsma EM, Burton-Pimentel KJ, Vergères G, Feskens EJM. A systematic review to identify biomarkers of intake for fermented food products. GENES AND NUTRITION 2021; 16:5. [PMID: 33882831 PMCID: PMC8058972 DOI: 10.1186/s12263-021-00686-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 03/30/2021] [Indexed: 12/22/2022]
Abstract
Background Fermented foods are ubiquitous in human diets and often lauded for their sensory, nutritious, and health-promoting qualities. However, precise associations between the intake of fermented foods and health have not been well-established. This is in part due to the limitations of current dietary assessment tools that rely on subjective reporting, making them prone to memory-related errors and reporting bias. The identification of food intake biomarkers (FIBs) bypasses this challenge by providing an objective measure of intake. Despite numerous studies reporting on FIBs for various types of fermented foods and drinks, unique biomarkers associated with the fermentation process (“fermentation-dependent” biomarkers) have not been well documented. We therefore conducted a comprehensive, systematic review of the literature to identify biomarkers of fermented foods commonly consumed in diets across the world. Results After title, abstract, and full-text screening, extraction of data from 301 articles resulted in an extensive list of compounds that were detected in human biofluids following the consumption of various fermented foods, with the majority of articles focusing on coffee (69), wine (69 articles), cocoa (62), beer (34), and bread (29). The identified compounds from all included papers were consolidated and sorted into FIBs proposed for a specific food, for a food group, or for the fermentation process. Alongside food-specific markers (e.g., trigonelline for coffee), and food-group markers (e.g., pentadecanoic acid for dairy intake), several fermentation-dependent markers were revealed. These comprised compounds related to the fermentation process of a particular food, such as mannitol (wine), 2-ethylmalate (beer), methionine (sourdough bread, cheese), theabrownins (tea), and gallic acid (tea, wine), while others were indicative of more general fermentation processes (e.g., ethanol from alcoholic fermentation, 3-phenyllactic acid from lactic fermentation). Conclusions Fermented foods comprise a heterogeneous group of foods. While many of the candidate FIBs identified were found to be non-specific, greater specificity may be observed when considering a combination of compounds identified for individual fermented foods, food groups, and from fermentation processes. Future studies that focus on how fermentation impacts the composition and nutritional quality of food substrates could help to identify novel biomarkers of fermented food intake. Supplementary Information The online version contains supplementary material available at 10.1186/s12263-021-00686-4.
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Affiliation(s)
- Katherine J Li
- Division of Human Nutrition and Health, Department of Agrotechnology and Food Science, Wageningen University & Research, Wageningen, Netherlands. .,Food Microbial Systems Research Division, Federal Department of Economic Affairs, Education and Research (EAER), Federal Office for Agriculture (FOAG), Agroscope, Bern, Switzerland.
| | - Elske M Brouwer-Brolsma
- Division of Human Nutrition and Health, Department of Agrotechnology and Food Science, Wageningen University & Research, Wageningen, Netherlands
| | - Kathryn J Burton-Pimentel
- Food Microbial Systems Research Division, Federal Department of Economic Affairs, Education and Research (EAER), Federal Office for Agriculture (FOAG), Agroscope, Bern, Switzerland
| | - Guy Vergères
- Food Microbial Systems Research Division, Federal Department of Economic Affairs, Education and Research (EAER), Federal Office for Agriculture (FOAG), Agroscope, Bern, Switzerland
| | - Edith J M Feskens
- Division of Human Nutrition and Health, Department of Agrotechnology and Food Science, Wageningen University & Research, Wageningen, Netherlands
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25
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Cai JS, Zhu YY, Ma RH, Thakur K, Zhang JG, Wei ZJ. Effects of roasting level on physicochemical, sensory, and volatile profiles of soybeans using electronic nose and HS-SPME-GC-MS. Food Chem 2021; 340:127880. [PMID: 32877847 DOI: 10.1016/j.foodchem.2020.127880] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 06/09/2020] [Accepted: 08/16/2020] [Indexed: 12/31/2022]
Abstract
We applied oven-roasting on soybean in order to investigate their physicochemical, sensory, and volatile profiles using electronic nose and HS-SPME-GC-MS. Results revealed a temperature dependent kinetic on the physicochemical index except fat content. Roasting at 200 °C for 20 min decreased the protein dispersibility index about 38%; while, lipoxygenase and peroxidase were entirely inactivated. The primary heat sensitive amino acids were methionine, arginine, and cysteine. Electronic nose showed certain capacity to discriminate varying roasted soybeans. Out of 41 volatile compounds identified in soybean headspace, 2,5-dimethylpyrazine showed the highest abundance of 411.18 μg/Kg. Regression model suggested the association of hexanal and aliphatic alcohols with beany flavor, while pyrazines, heterocycles, and furanoids showed a positive correlation with roasted flavor. The selected flavor markers can be used to predict the development of flavor in roasted soybeans. Our study emphasized the effect of roasting level on nutritive value and flavor profiles of soybeans.
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Affiliation(s)
- Jia-Shen Cai
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Yun-Yang Zhu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Run-Hui Ma
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China; School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China
| | - Kiran Thakur
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China; School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
| | - Jian-Guo Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China; School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
| | - Zhao-Jun Wei
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China; School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
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Shea MK, Berkner KL, Ferland G, Fu X, Holden RM, Booth SL. Perspective: Evidence before Enthusiasm-A Critical Review of the Potential Cardiovascular Benefits of Vitamin K. Adv Nutr 2021; 12:632-646. [PMID: 33684212 PMCID: PMC8166540 DOI: 10.1093/advances/nmab004] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 01/11/2021] [Accepted: 01/15/2021] [Indexed: 12/12/2022] Open
Abstract
A protective role for vitamin K in cardiovascular disease (CVD), a leading cause of morbidity and mortality, has been proposed because vitamin K-dependent proteins, such as matrix Gla (γ-carboxyglutamic acid) protein (MGP), are present in vascular tissue. MGP functions as a vascular calcification inhibitor-but only when it is carboxylated, which requires vitamin K. There is more than one naturally occurring form of vitamin K. Phylloquinone (vitamin K1) is found in plant-based foods, whereas menaquinones (vitamin K2) are a class of vitamin K compounds found in animal-based and fermented foods. Phylloquinone and menaquinones are capable of carboxylating MGP and other vitamin K-dependent proteins. In rodent models, high intakes of either phylloquinone or menaquinone reduced vascular calcification. Evidence of the relative importance of phylloquinone and menaquinone to CVD in humans is limited and controversial. In some observational studies, higher dietary menaquinone intake, but not phylloquinone intake, was associated with less coronary artery calcification (a subclinical manifestation of CVD) and a lower risk for clinical CVD events. These findings have led to claims that menaquinones have unique cardiovascular health benefits compared with phylloquinone. However, this claim is not supported by the results of the limited number of intervention trials conducted to date. The purpose of this review is to evaluate the strengths and limitations of the available evidence regarding the role of vitamin K in vascular calcification, CVD, and mortality.
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Affiliation(s)
| | - Kathleen L Berkner
- Department of Cardiovascular and Metabolic Sciences, Cleveland Clinic Lerner College of Medicine at CWRU, Cleveland Clinic, Cleveland, OH, USA
| | - Guylaine Ferland
- Département de Nutrition, Université de Montréal, Montreal, Quebec, Canada
| | - Xueyan Fu
- Tufts University USDA Human Nutrition Research Center on Aging, Boston, MA, USA
| | - Rachel M Holden
- Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | - Sarah L Booth
- Tufts University USDA Human Nutrition Research Center on Aging, Boston, MA, USA
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27
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Khalil Z, Alam B, Akbari AR, Sharma H. The Medical Benefits of Vitamin K 2 on Calcium-Related Disorders. Nutrients 2021; 13:691. [PMID: 33670005 PMCID: PMC7926526 DOI: 10.3390/nu13020691] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/15/2021] [Accepted: 02/18/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Due to the potentially crucial role of vitamin K2 in calcium metabolism, a deficit can disrupt many mechanisms, resulting in an array of different issues, such as broken bones, stiff arteries and poor fertility. Although there has been existing research, the potential of vitamin K2 as a treatment for conditions including cerebral palsy, parathyroid disease, heart disease and gastrointestinal disease is unknown. This review discusses the biochemistry of vitamin K and the metabolism of calcium, followed by an analysis of the current literature available on vitamin K2 and its prospects. METHODS Using public libraries including PubMed and Wiley, we searched for existing research on the metabolism and use of vitamin K2 that has been conducted in the preceding two decades. RESULTS Data indicated that vitamin K2 had a positive impact on osteoporosis, cardiovascular disease, parathyroid disorders, cerebral palsy and sperm motility. CONCLUSION Due to the existence of confounding variables and limitations in the quality and volume of research conducted, further investigation must be done to see whether the beneficial effects seen are reproducible and must assess the viability of vitamin K2 as treatment in isolation for these conditions.
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Affiliation(s)
- Zeyad Khalil
- Medical School, The University of Manchester, Oxford Road, Manchester M13 9PL, UK; (B.A.); (A.R.A.); (H.S.)
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Abstract
Prevalent coagulopathy and thromboembolism are observed in severe COVID-19 patients with 40% of COVID-19 mortality being associated with cardiovascular complications. Abnormal coagulation parameters are related to poor prognosis in COVID-19 patients. Victims also displayed presence of extensive thrombosis in infected lungs. Vitamin K is well-known to play an essential role in the coagulation system. Latest study revealed an existing correlation between vitamin K deficiency and COVID-19 severity, highlighting a role of vitamin K, probably via coagulation modulation. In agreement, other recent studies also indicated that anti-coagulant treatments can reduce mortality in severe cases. Altogether, potential mechanisms linking COVID-19 with coagulopathy in which vitamin K may exert its modulating role in coagulation related with disease pathogenesis are established. In this review, we discuss the recent evidence supporting COVID-19 as a vascular disease and explore the potential benefits of using vitamin K against COVID-19 to improve disease outcomes.
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29
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Iwasaki M, Sato M, Yoshihara A, Saito T, Kitamura K, Ansai T, Nakamura K. A 5-year longitudinal association between dietary fermented soya bean (natto) intake and tooth loss through bone mineral density in postmenopausal women: The Yokogoshi cohort study. Gerodontology 2021; 38:267-275. [PMID: 33393717 DOI: 10.1111/ger.12523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 10/23/2020] [Accepted: 12/12/2020] [Indexed: 01/05/2023]
Abstract
OBJECTIVE In this 5-year cohort study, we aimed to determine whether the intake of natto, a fermented soya bean food product, has an indirect effect on tooth loss incidence through BMD changes among postmenopausal women. BACKGROUND Evidence indicates (1) that natto has a beneficial effect on bone health and (2) that a decrease in bone mineral density (BMD) is associated with tooth loss. METHODS The study recruited 435 postmenopausal women (average age = 64.2 years). Natto intake (exposure) was assessed at baseline using a food frequency questionnaire. Lumbar spine BMD and number of teeth were measured at baseline and 5-year follow-up. BMD change (mediator) and the number of teeth lost (outcome) over time were calculated. The mediation model consisted of these 3 variables. Mediation analysis was performed to test the indirect effect of the natto intake measured through BMD change on tooth loss. RESULTS During the study, the mean number of teeth lost was 1.2 (standard deviation = 1.8), and the mean BMD decline was 2.5% (standard deviation = 7.1). After adjusting for potential confounders, increasing habitual natto intake was significantly indirectly associated with a lower incidence of tooth loss mediated by BMD change (incidence rate ratio of tooth loss among women with "≥1 pack/day" natto intake was 0.90 [95% confidence interval = 0.82-0.99] compared to those with natto consumption of "rarely"). CONCLUSIONS Dietary natto intake is significantly indirectly associated with a lower incidence of tooth loss among postmenopausal women, and systemic bone density could be a mediator of this association.
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Affiliation(s)
| | - Misuzu Sato
- Division of Preventive Dentistry, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Akihiro Yoshihara
- Division of Oral Science for Health Promotion, Department of Oral Health and Welfare, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Toshiko Saito
- Department of Health and Nutrition, Niigata University of Health and Welfare, Niigata, Japan
| | - Kaori Kitamura
- Division of Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Toshihiro Ansai
- Division of Community, Oral Health Development, Kyushu Dental University, Kitakyushu, Japan
| | - Kazutoshi Nakamura
- Division of Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Qin D, Hara Y, Raboy V, Saneoka H. Characteristics and Quality of Japanese Traditional Fermented Soybean (Natto) from a Low-phytate Line. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2020; 75:651-655. [PMID: 33099715 DOI: 10.1007/s11130-020-00865-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/27/2020] [Accepted: 10/13/2020] [Indexed: 06/11/2023]
Abstract
The Japanese traditional fermented soybean or "natto", a cheap and nutrient-rich food, is very popular in Japan. The low-phytate (LP) soybeans exhibit higher mineral bioavailability; however, their use in preparing natto has not been reported. Therefore, in this study, characteristics and quality of natto prepared using LP soybean were investigated. The findings revealed a better color, lower stickiness, and lower hardness and taste of LP natto with lower phytate and higher inorganic phosphorus (Pi) concentrations than those in the normal-phytate (NP) natto. However, the Ca, Mg, and K concentrations were not significantly different between LP and NP natto, whereas the protein level in NP natto was slightly higher than that in LP natto. These findings indicate that the lower phytate content in LP natto than that in NP natto, could facilitate a higher bioavailability of P and other minerals. Moreover, the improved color and lower stickiness, in addition to lower hardness and taste of LP natto, imparted through improved manufacturing process could increase its acceptability overseas, thereby increasing its commercial value. These improved qualities of LP natto could contribute to improving human health as well as increasing sustainable food and nutrient security.
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Affiliation(s)
- Dong Qin
- Graduate School of Biosphere Science, Hiroshima University, 1-4-4 Kagamiyama, Higashi- Hiroshima, 739-8528, Japan
| | - Yoshie Hara
- Graduate School of Biosphere Science, Hiroshima University, 1-4-4 Kagamiyama, Higashi- Hiroshima, 739-8528, Japan
| | - Victor Raboy
- Small Grains and Potato Research Unit, USDA-ARS, 1600 South 2700 West, Aberdeen, ID, 83210, USA
| | - Hirofumi Saneoka
- Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-4 Kagamiyama, Higashi-Hiroshima, 739-8528, Japan.
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Vitamin K epoxide reductase complex subunit 1 (VKORC1) gene polymorphism as determinant of differences in Covid-19-related disease severity. Med Hypotheses 2020; 144:110218. [PMID: 33254525 PMCID: PMC7446614 DOI: 10.1016/j.mehy.2020.110218] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 08/20/2020] [Indexed: 01/30/2023]
Abstract
Covid-19, caused by SARS-CoV-2, has major world-wide health-related and socio-economic consequences. There are large disparities in the burden of Covid-19 with an apparent lower risk of poor outcomes in East Asians compared to populations in the West. A recent study suggested that Covid-19 leads to a severe extrahepatic vitamin K insufficiency, which could lead to impaired activation of extrahepatic proteins like endothelial anticoagulant protein S in the presence of normal hepatic procoagulant activity. This would be compatible with the enhanced thrombogenicity in severe Covid-19. The same study showed that vitamin K antagonists (VKA) that inhibit vitamin K recycling, had a greater impact on procoagulant activity than on the activation of extrahepatic vitamin K-dependent proteins during SARS-CoV-2 infections. A genetic polymorphism in the vitamin K epoxide reductase complex 1, VKORC1 −1639A, is particularly prevalent in East Asia and associates with low vitamin K recycling rates. Carriage of the allele may be regarded as bioequivalent to low-dose VKA use. We speculate that VKORC1 −1639A confers protection against thrombotic complications of Covid-19 and that differences in its allele frequency are partially responsible for the differences in Covid-19 severity between East and West.
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Vitamin K Nutrition and Bone Health. Nutrients 2020; 12:nu12071909. [PMID: 32605143 PMCID: PMC7399911 DOI: 10.3390/nu12071909] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/22/2020] [Accepted: 06/25/2020] [Indexed: 01/22/2023] Open
Abstract
Vitamin K is essential for blood coagulation and plays an important role in extrahepatic metabolism, such as in bone and blood vessels, and in energy metabolism. This review discusses the assessment of vitamin K sufficiency and the role of vitamin K in bone health. To elucidate the exact role of vitamin K in other organs, accurate tools for assessing vitamin K deficiency or insufficiency are crucial. Undercarboxylated vitamin K-dependent protein levels can be measured to evaluate tissue-specific vitamin K deficiency/insufficiency. Vitamin K has genomic action through steroid and xenobiotic receptor (SXR); however, the importance of this action requires further study. Recent studies have revealed that the bone-specific, vitamin K-dependent protein osteocalcin has a close relationship with energy metabolism through insulin sensitivity. Among the organs that produce vitamin K-dependent proteins, bone has attracted the most attention, as vitamin K deficiency has been consistently associated with bone fractures. Although vitamin K treatment addresses vitamin K deficiency and is believed to promote bone health, the corresponding findings on fracture risk reduction are conflicting. We also discuss the similarity of other vitamin supplementations on fracture risk. Future clinical studies are needed to further elucidate the effect of vitamin K on fracture risk.
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Sato T, Inaba N, Yamashita T. MK-7 and Its Effects on Bone Quality and Strength. Nutrients 2020; 12:E965. [PMID: 32244313 PMCID: PMC7230802 DOI: 10.3390/nu12040965] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/24/2020] [Accepted: 03/28/2020] [Indexed: 12/20/2022] Open
Abstract
Vitamin K acts as a cofactor and is required for post-translational γ-carboxylation of vitamin K-dependent proteins (VKDP). The current recommended daily intake (RDI) of vitamin K in most countries has been established based on normal coagulation requirements. Vitamin K1 and menaquinone (MK)-4 has been shown to decrease osteocalcin (OC) γ-carboxylation at RDI levels. Among the several vitamin K homologs, only MK-7 (vitamin K2) can promote γ-carboxylation of extrahepatic VKDPs, OC, and the matrix Gla protein at a nutritional dose around RDI. MK-7 has higher efficacy due to its higher bioavailability and longer half-life than other vitamin K homologs. As vitamin K1, MK-4, and MK-7 have distinct bioactivities, their RDIs should be established based on their relative activities. MK-7 increases bone mineral density and promotes bone quality and strength. Collagen production, and thus, bone quality may be affected by MK-7 or MK-4 converted from MK-7. In this review, we comprehensively discuss the various properties of MK-7.
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Affiliation(s)
- Toshiro Sato
- R&D division, J-OILMILLS, Inc., Yokohama 230-0053, Japan;
| | - Naoko Inaba
- R&D division, J-OILMILLS, Inc., Yokohama 230-0053, Japan;
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Kojima A, Ikehara S, Kamiya K, Kajita E, Sato Y, Kouda K, Tamaki J, Kagamimori S, Iki M. Natto Intake is Inversely Associated with Osteoporotic Fracture Risk in Postmenopausal Japanese Women. J Nutr 2020; 150:599-605. [PMID: 31825069 DOI: 10.1093/jn/nxz292] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 09/10/2019] [Accepted: 11/06/2019] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND The direct association between intake of Japanese fermented soybeans, namely natto, and bone mineral density (BMD) is known. However, the association with osteoporotic fractures has not been studied. OBJECTIVE This study aimed to investigate whether habitual natto intake is associated with a risk of osteoporotic fractures. METHODS This prospective cohort study included 1417 postmenopausal Japanese women who were enrolled in the Japanese Population-Based Osteoporosis cohort study in 1996, 1999, 2002, and 2006 and were aged ≥45 y at baseline. The intake of natto, tofu, and other soybean products was surveyed with use of a FFQ at baseline. Fractures were ascertained in follow-up surveys conducted in 1999, 2002, 2006, and 2011/2012. Osteoporotic fracture was the primary outcome and was defined as a clinical fracture occurring without strong external force, diagnosed with radiographs by a medical doctor. HRs with 95% CIs were estimated with Cox proportional hazard models. RESULTS During the 17,699 person-years of follow-up (median, 15.2 y), 172 women experienced osteoporotic fractures. After adjustment for age and BMD at the total hip, the HRs compared with those of < 1 pack (approximately 40 g)/wk natto intake were 0.72 (95% CI: 0.52, 0.98) and 0.51 (95% CI: 0.30, 0.87) for 1-6 and ≥7 packs/wk, respectively. After further adjustment for BMI, history of osteoporotic fractures, history of myocardial infarction or stroke, diabetes mellitus, current smoking, alcohol intake, frequency of tofu and other soybean product intakes, and dietary calcium intake, the HRs were 0.79 (95% CI: 0.56, 1.10) and 0.56 (95% CI: 0.32, 0.99) for 1-6 and ≥7 packs/wk, respectively. Frequency of tofu or other soybean product intakes had no association with the risk of osteoporotic fractures. CONCLUSIONS Habitual natto intake may be associated with a reduced risk of osteoporotic fractures independent of confounding factors, including BMD, in Japanese postmenopausal women. This trial was registered at umin.ac.jp as UMIN 000032869.
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Affiliation(s)
- Akane Kojima
- Department of Hygiene and Public Health, Osaka Medical College, Takatsuki City, Osaka, Japan
- Department of Health and Nutrition, Kyoto College of Nutritional & Medical Sciences, Kyoto City, Kyoto, Japan
| | - Satoyo Ikehara
- Public Health, Department of Social Medicine, Osaka University Graduate School of Medicine,Suita City, Osaka, Japan
| | - Kuniyasu Kamiya
- Department of Hygiene and Public Health, Osaka Medical College, Takatsuki City, Osaka, Japan
| | - Etsuko Kajita
- Chukyo Gakuin University Faculty of Nursing, Mizunami City, Gifu, Japan
| | - Yuho Sato
- Department of Human Life, Jin-ai University, Echizen City, Fukui, Japan
| | - Katsuyasu Kouda
- Department of Hygiene and Public Health, Kansai Medical University, Hirakata City, Osaka, Japan
| | - Junko Tamaki
- Department of Hygiene and Public Health, Osaka Medical College, Takatsuki City, Osaka, Japan
| | | | - Masayuki Iki
- Department of Public Health, Kindai University Faculty of Medicine, Osaka-Sayama City, Osaka, Japan
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Vitamin K as a Diet Supplement with Impact in Human Health: Current Evidence in Age-Related Diseases. Nutrients 2020; 12:nu12010138. [PMID: 31947821 PMCID: PMC7019739 DOI: 10.3390/nu12010138] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 12/24/2019] [Accepted: 12/31/2019] [Indexed: 12/12/2022] Open
Abstract
Vitamin K health benefits have been recently widely shown to extend beyond blood homeostasis and implicated in chronic low-grade inflammatory diseases such as cardiovascular disease, osteoarthritis, dementia, cognitive impairment, mobility disability, and frailty. Novel and more efficient nutritional and therapeutic options are urgently needed to lower the burden and the associated health care costs of these age-related diseases. Naturally occurring vitamin K comprise the phylloquinone (vitamin K1), and a series of menaquinones broadly designated as vitamin K2 that differ in source, absorption rates, tissue distribution, bioavailability, and target activity. Although vitamin K1 and K2 sources are mainly dietary, consumer preference for diet supplements is growing, especially when derived from marine resources. The aim of this review is to update the reader regarding the specific contribution and effect of each K1 and K2 vitamers in human health, identify potential methods for its sustainable and cost-efficient production, and novel natural sources of vitamin K and formulations to improve absorption and bioavailability. This new information will contribute to foster the use of vitamin K as a health-promoting supplement, which meets the increasing consumer demand. Simultaneously, relevant information on the clinical context and direct health consequences of vitamin K deficiency focusing in aging and age-related diseases will be discussed.
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Ma Y, Tang PTP, McClure DD, Valtchev P, Ashton JF, Dehghani F, Kavanagh JM. Development of a menaquinone-7 enriched functional food. FOOD AND BIOPRODUCTS PROCESSING 2019. [DOI: 10.1016/j.fbp.2019.06.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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New Aspects of Vitamin K Research with Synthetic Ligands: Transcriptional Activity via SXR and Neural Differentiation Activity. Int J Mol Sci 2019; 20:ijms20123006. [PMID: 31226734 PMCID: PMC6627468 DOI: 10.3390/ijms20123006] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 06/12/2019] [Accepted: 06/18/2019] [Indexed: 11/17/2022] Open
Abstract
Vitamin K is classified into three homologs depending on the side-chain structure, with 2-methyl-1,4-naphthoqumone as the basic skeleton. These homologs are vitamin K1 (phylloquinone: PK), derived from plants with a phythyl side chain; vitamin K2 (menaquinone-n: MK-n), derived from intestinal bacteria with an isoprene side chain; and vitamin K3 (menadione: MD), a synthetic product without a side chain. Vitamin K homologs have physiological effects, including in blood coagulation and in osteogenic activity via γ-glutamyl carboxylase and are used clinically. Recent studies have revealed that vitamin K homologs are converted to MK-4 by the UbiA prenyltransferase domain-containing protein 1 (UBIAD1) in vivo and accumulate in all tissues. Although vitamin K is considered to have important physiological effects, its precise activities and mechanisms largely remain unclear. Recent research on vitamin K has suggested various new roles, such as transcriptional activity as an agonist of steroid and xenobiotic nuclear receptor and differentiation-inducing activity in neural stem cells. In this review, we describe synthetic ligands based on vitamin K and exhibit that the strength of biological activity can be controlled by modification of the side chain part.
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Azuma K, Inoue S. Multiple Modes of Vitamin K Actions in Aging-Related Musculoskeletal Disorders. Int J Mol Sci 2019; 20:E2844. [PMID: 31212662 PMCID: PMC6600274 DOI: 10.3390/ijms20112844] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 06/01/2019] [Accepted: 06/07/2019] [Indexed: 01/14/2023] Open
Abstract
Vitamin K is a fat-soluble vitamin that was originally found as an essential factor for blood coagulation. With the discovery of its role as a co-factor for γ-glutamyl carboxylase (GGCX), its function for blood coagulation was understood as the activation of several blood coagulation factors by their γ-carboxylation. Over the last two decades, other modes of vitamin K actions have been discovered, such as the regulation of transcription by activating the steroid and xenobiotic receptor (SXR), physical association to 17β-Hydroxysteroid dehydrogenase type 4 (17β-HSD4), covalent modification of Bcl-2 antagonist killer 1 (Bak), and the modulation of protein kinase A (PKA) activity. In addition, several epidemiological studies have revealed that vitamin K status is associated with some aging-related diseases including osteoporosis, osteoarthritis, and sarcopenia. Clinical studies on single nucleotide polymorphisms of GGCX suggested an association between higher GGCX activity and bone protective effect, while recent findings using conditional knockout mice implied that a contribution in protective effect for bone loss by GGCX in osteoblastic lineage was unclear. GGCX in other cell lineages or in other tissues might play a protective role for osteoporosis. Meanwhile, animal experiments by our groups among others revealed that SXR, a putative receptor for vitamin K, could be important in the bone metabolism. In terms of the cartilage protective effect of vitamin K, both GGCX- and SXR-dependent mechanisms have been suggested. In clinical studies on osteoarthritis, the γ-carboxylation of matrix Gla protein (MGP) and gla-rich protein (GRP) may have a protective role for the disease. It is also suggested that SXR signaling has protective role for cartilage by inducing family with sequence similarity 20a (Fam20a) expression in chondrocytes. In the case of sarcopenia, a high vitamin K status in plasma was associated with muscle strength, large muscle mass, and high physical performance in some observational studies. However, the basic studies explaining the effects of vitamin K on muscular tissue are limited. Further research on vitamin K will clarify new biological mechanisms which contribute to human longevity and health through the prevention and treatment of aging-related musculoskeletal disorders.
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Affiliation(s)
- Kotaro Azuma
- Department of Systems Aging Science and Medicine, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
| | - Satoshi Inoue
- Department of Systems Aging Science and Medicine, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
- Division of Gene Regulation and Signal Transduction, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan.
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Yoshiyama Y, Shima J, Fushiki T. Problem-Solving Exercise for Undergraduate Students Involving the Japanese Fermented Food Natto. JOURNAL OF MICROBIOLOGY & BIOLOGY EDUCATION 2019; 20:jmbe-20-6. [PMID: 31160925 PMCID: PMC6508896 DOI: 10.1128/jmbe.v20i1.1614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 09/11/2018] [Indexed: 06/09/2023]
Abstract
Natto is a traditional Japanese food made from soybeans fermented by Bacillus subtilis natto. Because natto is high in protein and contains healthful bacteria, dieticians and producers have campaigned for higher consumption of natto in areas such as Kansai, where our university is located. One of the reasons for the low consumption of natto is its distinctive flavor. As a problem-solving exercise, undergraduate students attempted to make natto more marketable. Students set a goal of modifying natto flavor by adding spices to achieve flavors deemed palatable by organoleptic tests. During the exercise, they noticed that lemongrass, Cymbopogon citratus, had a flavor-masking ability that reduced the intensity of natto flavor, and they finally determined that it was a useful food additive to make natto marketable. The exercise was an active learning process that effectively induced voluntary student effort of to solve problems originating from microorganisms.
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Affiliation(s)
| | - Jun Shima
- Corresponding author. Mailing address: Faculty of Agriculture, Ryukoku University, 1–5 Yokotani, Seta Oe-cho, Otsu, Shiga 520-2194, Japan. Phone: 81-77-599-5718. Fax: 81-77-599-5608. E-mail:
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Zhang Y, Bala V, Mao Z, Chhonker YS, Murry DJ. A concise review of quantification methods for determination of vitamin K in various biological matrices. J Pharm Biomed Anal 2019; 169:133-141. [PMID: 30861405 DOI: 10.1016/j.jpba.2019.03.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 01/31/2019] [Accepted: 03/03/2019] [Indexed: 12/31/2022]
Abstract
Vitamin K is an essential nutrient in the body and involved in numerous physiological and pathophysiological functions. Both the lack and surplus of vitamin K can put human health at risk. Therefore, it becomes necessary to monitor vitamin K concentrations in different biomatrices through establishing sensitive and specific analytical methods. This review collectively describes an updated overview of the sample pretreatment methodologies and methods for quantitative determination of vitamin K that have been used in last two decades. High Performance Liquid Chromatography (HPLC) is commonly utilized as a standard for separation of vitamin K in combination with different detection including spectroscopic, spectrometric, fluorometric and mass spectroscopy. Recent progress in sample pretreatment technologies and quantitation methodologies have enhanced the ability to identify and quantitate vitamin K in biomatrices to further advance our understanding of the role of this vitamin in human health and disease.
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Affiliation(s)
- Yuning Zhang
- Clinical Pharmacological Laboratory, Department of Pharmacy Practice, University of Nebraska Medical Center, Omaha, NE 68198, United States
| | - Veenu Bala
- Department of Pharmaceutical Sciences, Mohanlal Sukhadia University, Udaipur, India
| | - Zhihao Mao
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE 68198, United States; Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, NE 68198, United States
| | - Yashpal S Chhonker
- Clinical Pharmacological Laboratory, Department of Pharmacy Practice, University of Nebraska Medical Center, Omaha, NE 68198, United States
| | - Daryl J Murry
- Clinical Pharmacological Laboratory, Department of Pharmacy Practice, University of Nebraska Medical Center, Omaha, NE 68198, United States; Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, United States.
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Cao ZH, Green-Johnson JM, Buckley ND, Lin QY. Bioactivity of soy-based fermented foods: A review. Biotechnol Adv 2019; 37:223-238. [PMID: 30521852 DOI: 10.1016/j.biotechadv.2018.12.001] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 09/29/2018] [Accepted: 12/02/2018] [Indexed: 12/13/2022]
Abstract
For centuries, fermented soy foods have been dietary staples in Asia and, now, in response to consumer demand, they are available throughout the world. Fermentation bestows unique flavors, boosts nutritional values and increases or adds new functional properties. In this review, we describe the functional properties and underlying action mechanisms of soy-based fermented foods such as Natto, fermented soy milk, Tempeh and soy sauce. When possible, the contribution of specific bioactive components is highlighted. While numerous studies with in vitro and animal models have hinted at the functionality of fermented soy foods, ascribing health benefits requires well-designed, often complex human studies with analysis of diet, lifestyle, family and medical history combined with long-term follow-ups for each subject. In addition, the contribution of the microbiome to the bioactivities of fermented soy foods, possibly mediated through direct action or bioactive metabolites, needs to be studied. Potential synergy or other interactions among the microorganisms carrying out the fermentation and the host's microbial community may also contribute to food functionality, but the details still require elucidation. Finally, safety evaluation of fermented soy foods has been limited, but is essential in order to provide guidelines for consumption and confirm lack of toxicity.
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Affiliation(s)
- Zhen-Hui Cao
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, China
| | - Julia M Green-Johnson
- Faculty of Science, University of Ontario Institute of Technology (UOIT), Oshawa L1H 7K4, Canada
| | | | - Qiu-Ye Lin
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China.
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Li H, Zhou Q, Bai BL, Weng SJ, Wu ZY, Xie ZJ, Feng ZH, Cheng L, Boodhun V, Yang L. Effects of combined human parathyroid hormone (1-34) and menaquinone-4 treatment on the interface of hydroxyapatite-coated titanium implants in the femur of osteoporotic rats. J Bone Miner Metab 2018; 36:691-699. [PMID: 29280077 DOI: 10.1007/s00774-017-0893-9] [Citation(s) in RCA: 14] [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: 08/27/2017] [Accepted: 11/26/2017] [Indexed: 01/22/2023]
Abstract
The objective of this study was to investigate the effects of human parathyroid hormone (1-34) (PTH1-34; PTH) plus menaquinone-4 (vitamin K2; MK) on the osseous integration of hydroxyapatite (HA)-coated implants in osteoporotic rats. Ovariectomized female Sprague-Dawley rats were used for the study. Twelve weeks after bilateral ovariectomy, HA-coated titanium implants were inserted bilaterally in the femoral medullary canal of the remaining 40 ovariectomized rats. All animals were then randomly assigned to four groups: Control, MK, PTH and PTH + MK. The rats from groups MK, PTH and PTH + MK received vitamin K2 (30 mg/kg/day), PTH1-34 (60 μg/kg, three times a week), or both for 12 weeks. Thereafter, serum levels of γ-carboxylated osteocalcin (Gla-OC) were quantitated by ELISA and the bilateral femurs of rats were harvested for evaluation. The combination of PTH and MK clearly increased the serum levels of Gla-OC (a specific marker for bone formation) compared to PTH or MK alone. The results of our study indicated that all treated groups had increased new bone formation around the surface of implants and increased push-out force compared to Control. In addition, PTH + MK treatment showed the strongest effects in histological, micro-computed tomography and biomechanical tests. In summary, our results confirm that treatment with PTH1-34 and MK together may have a therapeutic advantage over PTH or MK monotherapy on bone healing around HA-coated implants in osteoporotic rats.
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Affiliation(s)
- Hang Li
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Qiang Zhou
- Department of Orthopedics Surgery, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, Wenzhou, Zhejiang, China
| | - Bing-Li Bai
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - She-Ji Weng
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zong-Yi Wu
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhong-Jie Xie
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhen-Hua Feng
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Liang Cheng
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Viraj Boodhun
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Lei Yang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Chatake T, Yanagisawa Y, Inoue R, Sugiyama M, Matsuo T, Fujiwara S, Ohsugi T, Sumi H. Purification and structural characterization of water‐soluble menaquinone‐7 produced by
Bacillus subtilis natto. J Food Biochem 2018. [DOI: 10.1111/jfbc.12630] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
| | | | - Rintaro Inoue
- Research Reactor Institute, Kyoto University Osaka Japan
| | | | - Tatsuhito Matsuo
- Quantum Beam Science Research DirectorateNational Institutes for Quantum and Radiological Science and Technology Tokai Japan
| | - Satoru Fujiwara
- Quantum Beam Science Research DirectorateNational Institutes for Quantum and Radiological Science and Technology Tokai Japan
| | - Tadanori Ohsugi
- Department of Life ScienceKurashiki University of Science and the Arts Kurashiki Japan
| | - Hiroyuki Sumi
- Department of Life ScienceKurashiki University of Science and the Arts Kurashiki Japan
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Vitamin K and Bone Metabolism: A Review of the Latest Evidence in Preclinical Studies. BIOMED RESEARCH INTERNATIONAL 2018; 2018:4629383. [PMID: 30050932 PMCID: PMC6040265 DOI: 10.1155/2018/4629383] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 05/27/2018] [Indexed: 01/09/2023]
Abstract
Bone is a metabolically active tissue that renews itself throughout one's life. Cytokines along with several hormonal, nutritional, and growth factors are involved in tightly regulated bone remodeling. Accordingly, vitamin K as a multifunctional vitamin has been recently deemed appreciable as a topic of research as it plays a pivotal role in maintenance of the bone strength, and it has been proved to have a positive impact on the bone metabolism. Vitamin K exerts its anabolic effect on the bone turnover in different ways such as promoting osteoblast differentiation, upregulating transcription of specific genes in osteoblasts, and activating the bone-associated vitamin k dependent proteins which play critical roles in extracellular bone matrix mineralization. There is also credible evidence to support the effects of vitamin k2 on differentiation of other mesenchymal stem cells into osteoblast. The main objective of the present paper is to comprehensively outline the preclinical studies on the properties of vitamin K and its effects on the bone metabolism. The evidence could shed light on further clinical studies to improve osteogenesis in bone graft surgeries.
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Liu Y, Yang ZM, Xue ZL, Qian SH, Wang Z, Hu LX, Wang J, Zhu H, Ding XM, Yu F. Influence of site-directed mutagenesis of UbiA, overexpression of dxr, menA and ubiE, and supplementation with precursors on menaquinone production in Elizabethkingia meningoseptica. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.01.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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46
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Eshak ES, Iso H, Yamagishi K, Cui R, Tamakoshi A. Dietary intakes of fat soluble vitamins as predictors of mortality from heart failure in a large prospective cohort study. Nutrition 2018; 47:50-55. [DOI: 10.1016/j.nut.2017.09.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Accepted: 09/17/2017] [Indexed: 02/07/2023]
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47
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Au NT, Ryman T, Rettie AE, Hopkins SE, Boyer BB, Black J, Philip J, Yracheta J, Fohner AE, Reyes M, Thornton TA, Austin MA, Thummel KE. Dietary Vitamin K and Association with Hepatic Vitamin K Status in a Yup'ik Study Population from Southwestern Alaska. Mol Nutr Food Res 2018; 62:10.1002/mnfr.201700746. [PMID: 29094808 PMCID: PMC5803412 DOI: 10.1002/mnfr.201700746] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 10/10/2017] [Indexed: 01/15/2023]
Abstract
SCOPE The relationship between dietary vitamin K and plasma PIVKA-II concentration, a biomarker of hepatic vitamin K status, in a Yup'ik study population in southwestern Alaska is investigated. METHODS AND RESULTS A total of 659 male and female, self-reported Yup'ik people, ≥14 years of age, were enrolled. Blood is collected for genotyping and plasma PIVKA-II biomarker analysis. A Yup'ik-specific dietary food frequency questionnaire is used to assess vitamin K intake. Among the participants, 22% report not consuming foods rich in vitamin K during the past year and 36% have a PIVKA-II concentration ≥ 2 ng mL-1 , indicating vitamin K insufficiency. The odds of an elevated PIVKA-II concentration are 33% lower in individuals reporting any versus no consumption of vitamin-K-rich foods. The association is significant after adjusting for CYP4F2*3 genotype. Tundra greens are high in vitamin K1 content, but an exploratory analysis suggests that subsistence meat sources have a greater effect on vitamin K status. CONCLUSIONS A substantial proportion of the Yup'ik population exhibits vitamin K insufficiency, which is associated with low consumption of vitamin K rich foods and which might affect an individual's response to anticoagulant drugs such as warfarin that target the vitamin K cycle.
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Affiliation(s)
- Nicholas T Au
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
| | - Tove Ryman
- Department of Epidemiology, University of Washington, Seattle, WA, USA
| | - Allan E Rettie
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
| | - Scarlett E Hopkins
- Center for Alaska Native Health Research, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Bert B Boyer
- Center for Alaska Native Health Research, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Jynene Black
- Center for Alaska Native Health Research, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Jacques Philip
- Center for Alaska Native Health Research, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Joseph Yracheta
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA
| | - Alison E Fohner
- Institute for Public Health Genetics, University of Washington, Seattle, WA, USA
| | - Morayma Reyes
- Department of Laboratory Medicine, University of Washington, Seattle, WA, USA
| | | | - Melissa A Austin
- Department of Epidemiology, University of Washington, Seattle, WA, USA
| | - Kenneth E Thummel
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA
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Marles RJ, Roe AL, Oketch-Rabah HA. US Pharmacopeial Convention safety evaluation of menaquinone-7, a form of vitamin K. Nutr Rev 2018; 75:553-578. [PMID: 28838081 DOI: 10.1093/nutrit/nux022] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Vitamin K plays important biological roles in maintaining normal blood coagulation, bone mineralization, soft tissue physiology, and neurological development. Menaquinone-7 is a form of vitamin K2 that occurs naturally in some animal-derived and fermented foods. It is also available as an ingredient of dietary supplements. Menaquinone-7 has greater bioavailability than other forms of vitamin K, which has led to increasing sales and use of menaquinone-7 supplements. This special article reviews the chemistry, nomenclature, dietary sources, intake levels, and pharmacokinetics of menaquinones, along with the nonclinical toxicity data available and the data on clinical outcomes related to safety (adverse events). In conclusion, the data reviewed indicate that menaquinone-7, when ingested as a dietary supplement, is not associated with any serious risk to health or with other public health concerns. On the basis of this conclusion, US Pharmacopeia monographs have been developed to establish quality standards for menaquinone-7 as a dietary ingredient and as a dietary supplement in various dosage forms.
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Affiliation(s)
- Robin J Marles
- US Pharmacopeial Convention's Dietary Supplements Admission Evaluations Joint Standard Setting Subcommittee, US Pharmacopeial Convention, Rockville, Maryland, USA. US Pharmacopeial Convention, Rockville, Maryland, USA
| | - Amy L Roe
- US Pharmacopeial Convention's Dietary Supplements Admission Evaluations Joint Standard Setting Subcommittee, US Pharmacopeial Convention, Rockville, Maryland, USA. US Pharmacopeial Convention, Rockville, Maryland, USA
| | - Hellen A Oketch-Rabah
- US Pharmacopeial Convention's Dietary Supplements Admission Evaluations Joint Standard Setting Subcommittee, US Pharmacopeial Convention, Rockville, Maryland, USA. US Pharmacopeial Convention, Rockville, Maryland, USA
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Klapkova E, Cepova J, Dunovska K, Prusa R. Determination of vitamins K 1 , MK-4, and MK-7 in human serum of postmenopausal women by HPLC with fluorescence detection. J Clin Lab Anal 2018; 32:e22381. [PMID: 29333616 DOI: 10.1002/jcla.22381] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 12/14/2017] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND New high-performance liquid chromatography (HPLC) method was developed for the determination of vitamin K1 and two forms of vitamin K2 (MK-4 and MK-7) in human serum, and the levels of vitamin K were determined in 350 samples of postmenopausal women. METHODS Vitamin K was determined by HPLC with fluorescence detection after postcolumn zinc reduction. The detection was performed at 246 nm (excitation) and 430 nm (emission). The internal standard and 2 mL of ethanol were added to 500 μL of serum. The mixture was extracted with 4 mL of hexane, and solid phase extraction was then used. RESULTS The HLPC method was fully validated. The intra- and interday accuracy and precision were evaluated on two QC samples by multiple analysis, and CV were less than 10%. The limit of quantification for MK-4 was found at 0.04 ng/mL, for K1 0.03 ng/mL, and for MK-7 0.03 ng/mL. The mean recoveries of the corresponding compounds were 98%-110%. Serum levels of MK-4, K1 , and MK-7 in postmenopausal women with osteoporosis were 0.890 ± 0.291 ng/mL, 0.433 ± 0.394 ng/mL, and 1.002 ± 1.020 ng/mL, respectively (mean ± SD). Serum levels of MK-4, K1 , and MK-7 in postmenopausal women without osteoporosis were 0.825 ± 0.266 ng/mL, 0.493 ± 0.399 ng/mL, and 1.186 ± 1.076 ng/mL, respectively (mean ± SD). CONCLUSION New HPLC method for the determination of vitamins K1 , MK-4, and MK-7 in serum was evaluated and validated. This method is highly specific and sensitive with the low limit of quantification.
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Affiliation(s)
- Eva Klapkova
- Department of Medical Chemistry and Clinical Biochemistry, Charles University, 2nd Faculty of Medicine and University Hospital Motol, Prague, Czech Republic
| | - Jana Cepova
- Department of Medical Chemistry and Clinical Biochemistry, Charles University, 2nd Faculty of Medicine and University Hospital Motol, Prague, Czech Republic
| | - Katerina Dunovska
- Department of Medical Chemistry and Clinical Biochemistry, Charles University, 2nd Faculty of Medicine and University Hospital Motol, Prague, Czech Republic
| | - Richard Prusa
- Department of Medical Chemistry and Clinical Biochemistry, Charles University, 2nd Faculty of Medicine and University Hospital Motol, Prague, Czech Republic
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Bioconversion of farnesol and 1,4-dihydroxy-2-naphthoate to menaquinone by an immobilized whole-cell biocatalyst using engineered Elizabethkingia meningoseptica. World J Microbiol Biotechnol 2017; 33:215. [PMID: 29181599 DOI: 10.1007/s11274-017-2382-7] [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: 04/30/2017] [Accepted: 11/21/2017] [Indexed: 10/18/2022]
Abstract
Menaquinone (MK) has important applications in the pharmaceutical and food industries. To increase the production rate (QP) of MK-4, we developed a straightforward biotransformation method for MK-4 synthesis directly from its precursors 1,4-dihydroxy-2-naphthoate (DHNA) and farnesol using whole cells of genetically engineered Elizabethkingia meningoseptica. Results showed that MK-4 can be produced directly from farnesol and DHNA using both free and immobilized FM-D198 cells. MK-4 yield peaked at 29.85 ± 0.36 mg/L in the organic phase and 24.08 ± 0.33 mg/g DCW after 12 h of bioconversion using free cells in a two-phase conversion system. MK-4 yield reached 26.34 ± 1.35 mg/L and 17.44 ± 1.05 mg/g DCW after 8 h using immobilized cells. Although this yield was lower than that using free cells, immobilized cells can be re-used for MK-4 production via repeated-batch culture. After ten batch cultures, efficient MK-4 production was maintained at a yield of more than 20 mg/L. After optimizing the catalysis system, the MK-4 yield reached 26.91 ± 1.27 mg/L using the immobilized cells and had molar conversion rates of 58.56 and 76.90% for DHNA and farnesol, respectively.
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