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Wang H, Ma Y. The Potential of Vitamin K as a Regulatory Factor of Bone Metabolism-A Review. Nutrients 2023; 15:4935. [PMID: 38068793 PMCID: PMC10708186 DOI: 10.3390/nu15234935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/23/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
Vitamin K (VK), a fat-soluble vitamin, is essential for the clotting of blood because of its role in the production of clotting factors in the liver. Moreover, researchers continue to explore the role of VK as an emerging novel bioactive molecule with the potential function of improving bone health. This review focuses on the effects of VK on bone health and related mechanisms, covering VK research history, homologous analogs, dietary sources, bioavailability, recommended intake, and deficiency. The information summarized here could contribute to the basic and clinical research on VK as a natural dietary additive and drug candidate for bone health. Future research is needed to extend the dietary VK database and explore the pharmacological safety of VK and factors affecting VK bioavailability to provide more support for the bone health benefits of VK through more clinical trials.
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Affiliation(s)
- Huakai Wang
- Department of Animal Nutrition and Feed Science, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;
- Institute of Animal Husbandry and Veterinary Medicine, Anhui Academy of Agricultural Sciences, Nongkenan Road No. 40, Hefei 230031, China
| | - Yongxi Ma
- Department of Animal Nutrition and Feed Science, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;
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Hao J, Zhang B, Wang B, Zhang M, Fan W, Li W. Effects of dietary vitamin K3 supplementation on production performance, egg quality, vitamin K-dependent proteins, and antioxidant properties in breeding geese during the laying period. Poult Sci 2023; 102:102880. [PMID: 37419050 PMCID: PMC10344679 DOI: 10.1016/j.psj.2023.102880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 06/09/2023] [Accepted: 06/14/2023] [Indexed: 07/09/2023] Open
Abstract
The aim of this work was to investigate the effects of dietary vitamin K3 (VK3) supplementation on production performance, egg quality, vitamin K-dependent proteins, and antioxidant properties in breeding geese during the laying period. A total of one hundred twenty 82-wk-old Wulong geese with similar body weights were randomly divided into 6 groups with 4 replicates and 5 geese each (1 male and 4 female). The geese in the control group were fed a basal diet, and the geese in the treatment groups were fed diets supplemented with different levels of VK3 (2.5, 5.0, 7.5, 10.0, and 12.5 mg/kg) for 11 wk. Dietary VK3 supplementation linearly and quadratically increased feed intake, egg mass, egg weight, and egg production (P < 0.05). Increasing VK3 levels linearly and quadratically increased albumen height, shell thickness and Haugh unit of eggs (P < 0.05). VK3 reduced osteocalcin (OC) and uncarboxylated osteocalcin (ucOC) levels in the serum. Dietary VK3 addition linearly decreased serum malondialdehyde (MDA) levels (P < 0.01). There was linear and quadratic effect in the activity of serum total superoxide dismutase (T-SOD) (P < 0.01), and linear effect in serum total antioxidant capacity (T-AOC) (P < 0.01). In conclusion, dietary VK3 supplementation enhanced the production performance, egg quality, vitamin K-dependent proteins, and antioxidant properties in breeding geese during the laying period. The optimal dose of dietary VK3 supplementation was 10.0 mg/kg.
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Affiliation(s)
- Jianzhong Hao
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Beibei Zhang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Baowei Wang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Mingai Zhang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Wenlei Fan
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Wenli Li
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China.
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Park NR, Lee YJ, Lee SH, Kim JE. Anti-cancer Effect of Unique Cartilage Matrix-associated Protein in Breast Cancer Cells Depends on γ-Carboxylation. Anticancer Res 2023; 43:1959-1965. [PMID: 37097656 DOI: 10.21873/anticanres.16355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 04/26/2023]
Abstract
BACKGROUND/AIM Unique cartilage matrix-associated protein (UCMA), a recently discovered vitamin K-dependent protein (VKDP) with a large number of γ-carboxyglutamic acid (Gla) residues, is associated with ectopic calcifications. Although the function of VKDPs is related to their γ-carboxylation status, the carboxylation status of UCMA in breast cancer is still unknown. Here, we investigated the inhibitory effect of UCMA with differing γ-carboxylation status on breast cancer cell lines, such as MDA-MB-231, 4T1, and E0771 cells. MATERIALS AND METHODS Undercarboxylated UCMA (ucUCMA) was generated by mutating the γ-glutamyl carboxylase (GGCX) recognition sites. The ucUCMA and carboxylated UCMA (cUCMA) proteins were collected from culture media of HEK293-FT cells that had been transfected with mutated GGCX and wild-type UCMA expression plasmids, respectively. Boyden Transwell and colony formation assays were performed to evaluate cancer cell migration, invasion, and proliferation. RESULTS Culture medium containing cUCMA protein inhibited the migration, invasion, and colony formation of MDA-MB-231 and 4T1 cells to a greater degree than medium containing ucUCMA protein. Significant reductions in the migration, invasion, and colony formation were also observed in cUCMA-treated E0771 cells compared to those in ucUCMA-treated cells. CONCLUSION The inhibitory role of UCMA in breast cancer is closely related to its γ-carboxylation status. The results of this study may be a basis for the development of UCMA-based anti-cancer drugs.
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Affiliation(s)
- Na Rae Park
- Department of Molecular Medicine, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Yeon-Ju Lee
- Department of Molecular Medicine, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Seung-Hoon Lee
- Department of Molecular Medicine, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- BK21 Four KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, Kyungpook National University, Daegu, Republic of Korea
| | - Jung-Eun Kim
- Department of Molecular Medicine, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Republic of Korea;
- BK21 Four KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, Kyungpook National University, Daegu, Republic of Korea
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Mong MA. Vitamin K and the Visual System-A Narrative Review. Nutrients 2023; 15:nu15081948. [PMID: 37111170 PMCID: PMC10143727 DOI: 10.3390/nu15081948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/30/2023] [Accepted: 03/31/2023] [Indexed: 04/29/2023] Open
Abstract
Vitamin K occupies a unique and often obscured place among its fellow fat-soluble vitamins. Evidence is mounting, however, that vitamin K (VK) may play an important role in the visual system apart from the hepatic carboxylation of hemostatic-related proteins. However, to our knowledge, no review covering the topic has appeared in the medical literature. Recent studies have confirmed that matrix Gla protein (MGP), a vitamin K-dependent protein (VKDP), is essential for the regulation of intraocular pressure in mice. The PREDIMED (Prevención con Dieta Mediterránea) study, a randomized trial involving 5860 adults at risk for cardiovascular disease, demonstrated a 29% reduction in the risk of cataract surgery in participants with the highest tertile of dietary vitamin K1 (PK) intake compared with those with the lowest tertile. However, the specific requirements of the eye and visual system (EVS) for VK, and what might constitute an optimized VK status, is currently unknown and largely unexplored. It is, therefore, the intention of this narrative review to provide an introduction concerning VK and the visual system, review ocular VK biology, and provide some historical context for recent discoveries. Potential opportunities and gaps in current research efforts will be touched upon in the hope of raising awareness and encouraging continued VK-related investigations in this important and highly specialized sensory system.
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Affiliation(s)
- Michael A Mong
- Department of Ophthalmology, Veteran Affairs North Texas Health Care Medical Center, Dallas, TX 75216, USA
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Sarosiak A, Oziębło D, Udziela M, Vermeer C, Malejczyk J, Szaflik JP, Ołdak M. High expression of Matrix Gla Protein in Schnyder corneal dystrophy patients points to an active role of vitamin K in corneal health. Acta Ophthalmol 2021; 99:e171-e177. [PMID: 32602245 DOI: 10.1111/aos.14533] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 05/28/2020] [Accepted: 06/02/2020] [Indexed: 12/19/2022]
Abstract
PURPOSE Schnyder corneal dystrophy (SCD) is a rare autosomal dominant disorder characterized by corneal lipid accumulation and caused by UBIAD1 pathogenic variants. UBIAD1 encodes a vitamin K (VK) biosynthetic enzyme. To assess the corneal and vascular VK status in SCD patients, we focused on matrix Gla protein (MGP), a VK-dependent protein. METHODS Conformation-specific immunostainings of different MGP maturation forms were performed on corneal sections and primary keratocytes from corneal buttons of two SCD patients with UBIAD1 p.Asp112Asn and p.Asn102Ser pathogenic variants and unrelated donors. Native or UBIAD1-transfected keratocytes were used for gene expression analysis. Plasma samples from SCD patients (n = 12) and control individuals (n = 117) were subjected for inactive desphospho-uncarboxylated MGP level measurements with an ELISA assay. RESULTS Substantial amounts of MGP were identified in human cornea and most of it in its fully matured and active form. The level of mature MGP did not differ between SCD and control corneas. In primary keratocytes from SCD patients, a highly increased MGP expression and presence of immature MGP forms were detected. Significantly elevated plasma concentration of inactive MGP was found in SCD patients. CONCLUSION High amount of MGP and the predominance of mature MGP forms in human cornea indicate that VK metabolism is active in the visual system. Availability of MGP seems of vital importance for a healthy cornea and may be related to protection against corneal calcification. Systemic MGP findings reveal a poor vascular VK status in SCD patients and indicate that SCD may lead to cardiovascular consequences.
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Affiliation(s)
- Anna Sarosiak
- Department of Histology and Embryology, Center of Biostructure Research, Medical University of Warsaw, Warsaw, Poland
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland
| | - Dominika Oziębło
- Department of Histology and Embryology, Center of Biostructure Research, Medical University of Warsaw, Warsaw, Poland
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland
| | - Monika Udziela
- Department of Ophthalmology, Medical University of Warsaw, Warsaw, Poland
| | - Cees Vermeer
- R&D Group VitaK and Cardiovascular Research Institute CARIM, Maastricht University, Maastricht, The Netherlands
| | - Jacek Malejczyk
- Department of Histology and Embryology, Center of Biostructure Research, Medical University of Warsaw, Warsaw, Poland
| | - Jacek P Szaflik
- Department of Ophthalmology, Medical University of Warsaw, Warsaw, Poland
| | - Monika Ołdak
- Department of Histology and Embryology, Center of Biostructure Research, Medical University of Warsaw, Warsaw, Poland
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Roumeliotis S, Dounousi E, Salmas M, Eleftheriadis T, Liakopoulos V. Vascular Calcification in Chronic Kidney Disease: The Role of Vitamin K- Dependent Matrix Gla Protein. Front Med (Lausanne) 2020; 7:154. [PMID: 32391368 PMCID: PMC7193028 DOI: 10.3389/fmed.2020.00154] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 04/07/2020] [Indexed: 12/15/2022] Open
Abstract
Arterial calcification is highly prevalent in chronic kidney disease (CKD) patients and is associated with cardiovascular (CV) morbidity and mortality. Patients at early CKD stages are more likely to suffer a fatal CV event than to develop end-stage renal disease and require hemodialysis treatment. The heavy CV burden of these patients cannot be solely explained by traditional calcification risk factors. Moreover, the pathophysiologic mechanisms underlying this association are complex and yet not fully understood. Although vascular calcification was regarded as a passive degenerative process for over a century, this theory changed by recent evidence that pointed toward an active process, where calcification promoters and inhibitors were involved. Matrix Gla Protein (MGP) has been established as a strong inhibitor of calcification both in vitro and in vivo. Not only it prevents mineralization of the arterial wall, but it is the only factor that can actually reverse it. To become fully active, MGP must undergo carboxylation of specific protein bound glutamate residues, a process fully dependent on the availability of vitamin K. Low vitamin K status leads to inactive, uncarboxylated forms of MGP and has been repeatedly associated with accelerated vascular calcification. Aim of this review is to present the pathophysiologic mechanisms underlying the activation and function of MGP and review the existing, accumulating data regarding the association between vitamin K, MGP and vascular calcification/CV disease in CKD patients.
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Affiliation(s)
- Stefanos Roumeliotis
- Department of Internal Medicine, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Evangelia Dounousi
- Department of Nephrology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
| | - Marios Salmas
- Department of Anatomy, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Vassilios Liakopoulos
- Department of Internal Medicine, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Abstract
Protein S (PS) is a multifunctional plasma protein of the hemostatic and inflammatory pathways, although mechanisms for its regulation are poorly understood. Since certain plasma proteins are regulated through extracellular phosphorylation, we investigated whether the anticoagulant activity of PS is regulated through phosphorylation by platelet-secreted kinases. PS was phosphorylated on exposure to activated platelets or their releasates, as judged by immunoblotting for phospho-amino acids and PS. PS phosphorylation was reduced by specific inhibitors of casein kinase 1 (CK1) and casein kinase 2 (CK2) (10 μM D4476, 100 μM CK2-inhibitory peptide YNLKSKSSEDIDESS). Involvement of CKs in PS phosphorylation was confirmed using purified CK1/CK2. Phosphorylation of PS by purified CK1 did not affect its activated protein C (APC) cofactor activity in activated partial thromboplastin time assays in PS-depleted plasma. However, phosphorylation of PS by CK2 or by CK1/CK2 increased PS cofactor activity ∼1.5-fold (158.7±4.8%, P<0.01) or ∼2-fold (191.5±6.4%, P<0.0001), respectively. The APC cofactor activity of PS in PS-depleted plasma exposed to platelet-secreted kinases was enhanced, while CK2 but not CK1 inhibitors reduced APC cofactor activity. Mass spectrometry revealed a phosphorylated CK2 site at Thr37 within the N-terminal Gla-domain. Thus, platelet-mediated extracellular phosphorylation of PS is a potential mechanism by which its activity is regulated.
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Affiliation(s)
- Fabian Stavenuiter
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, 10550 N. Torrey Pines Rd, La Jolla, CA 92037, USA
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