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22 Results Found

  • Article
  • Open Access
8 Citations
2,877 Views
18 Pages

Nanoencapsulation of Gla-Rich Protein (GRP) as a Novel Approach to Target Inflammation

  • Carla S. B. Viegas,
  • Nuna Araújo,
  • Joana Carreira,
  • Jorge F. Pontes,
  • Anjos L. Macedo,
  • Maurícia Vinhas,
  • Ana S. Moreira,
  • Tiago Q. Faria,
  • Ana Grenha and
  • Dina C. Simes
  • + 3 authors

Chronic inflammation is a major driver of chronic inflammatory diseases (CIDs), with a tremendous impact worldwide. Besides its function as a pathological calcification inhibitor, vitamin K-dependent protein Gla-rich protein (GRP) was shown to act as...

  • Article
  • Open Access
3,018 Views
13 Pages

19 January 2025

Background/Objectives: Vitamin K-dependent proteins (VKDPs) all commonly possess specially modified γ-carboxyglutamic acid residues created in a vitamin K-dependent manner. Several liver-derived coagulation factors are well characterised VKDPs. Howev...

  • Review
  • Open Access
61 Citations
11,028 Views
11 Pages

Vitamin K in Chronic Kidney Disease

  • Mario Cozzolino,
  • Michela Mangano,
  • Andrea Galassi,
  • Paola Ciceri,
  • Piergiorgio Messa and
  • Sagar Nigwekar

14 January 2019

Vitamin K is a composite term referring to a group of fat-soluble vitamins that function as a cofactor for the enzyme γ-glutamyl carboxylase (GGCX), which activates a number of vitamin K-dependent proteins (VKDPs) involved in haemostasis and va...

  • Review
  • Open Access
41 Citations
8,562 Views
16 Pages

28 August 2021

Vitamin K and Vitamin K-dependent proteins (VKDPs) are best known for their pivotal role in blood coagulation. Of the 14 VKPDs identified in humans to date, 6 play also important roles in skeletal biology and disease. Thus, osteocalcin, also termed b...

  • Review
  • Open Access
57 Citations
21,197 Views
9 Pages

MK-7 and Its Effects on Bone Quality and Strength

  • Toshiro Sato,
  • Naoko Inaba and
  • Takatoshi Yamashita

31 March 2020

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 coagulati...

  • Article
  • Open Access
2 Citations
1,988 Views
9 Pages

Vitamin K Status of Patients Undergoing Hemodialysis: Insights from a Cross-Sectional Study

  • Marcel Palamar,
  • Iulia Grosu,
  • Adalbert Schiller,
  • Ligia Petrica,
  • Madalina Bodea,
  • Alexandru Sircuta,
  • Cornel Rusan,
  • Daniela Maria Tanasescu and
  • Flaviu Bob

3 October 2023

(1) Background: Vitamin K deficiency is a common feature of chronic kidney disease (CKD), leading to impaired bone quality and an increased risk of vascular calcifications. A method to indirectly assess the vitamin K status is measuring the blood lev...

  • Review
  • Open Access
48 Citations
10,109 Views
34 Pages

GGCX-Associated Phenotypes: An Overview in Search of Genotype-Phenotype Correlations

  • Eva Y. G. De Vilder,
  • Jens Debacker and
  • Olivier M. Vanakker

Gamma-carboxylation, performed by gamma-glutamyl carboxylase (GGCX), is an enzymatic process essential for activating vitamin K-dependent proteins (VKDP) with important functions in various biological processes. Mutations in the encoding GGCX gene ar...

  • Review
  • Open Access
63 Citations
23,689 Views
21 Pages

25 August 2019

Vitamin K is a multifunctional micronutrient implicated in age-related diseases such as cardiovascular diseases, osteoarthritis and osteoporosis. Although vitamin K-dependent proteins (VKDPs) are described to have a crucial role in the pathogenesis o...

  • Review
  • Open Access
10 Citations
6,324 Views
21 Pages

Vitamin K for Vascular Calcification in Kidney Patients: Still Alive and Kicking, but Still a Lot to Learn

  • Ioannis Eleftherios Neofytou,
  • Aikaterini Stamou,
  • Antonia Demopoulos,
  • Stefanos Roumeliotis,
  • Pantelis Zebekakis,
  • Vassilios Liakopoulos,
  • Eleni Stamellou and
  • Evangelia Dounousi

7 June 2024

Patients with chronic kidney disease (CKD) suffer disproportionately from a high burden of cardiovascular disease, which, despite recent scientific advances, remains partly understood. Vascular calcification (VC) is the result of an ongoing process o...

  • Review
  • Open Access
27 Citations
15,655 Views
16 Pages

Role of Vitamin K in Chronic Kidney Disease: A Focus on Bone and Cardiovascular Health

  • Federica Bellone,
  • Maria Cinquegrani,
  • Ramona Nicotera,
  • Nazareno Carullo,
  • Alessandro Casarella,
  • Pierangela Presta,
  • Michele Andreucci,
  • Giovanni Squadrito,
  • Giuseppe Mandraffino and
  • Giuseppe Coppolino
  • + 4 authors

Chronic kidney disease (CKD) is commonly associated with vitamin K deficiency. Some of the serious complications of CKD are represented by cardiovascular disease (CVD) and skeletal fragility with an increased risk of morbidity and mortality. A comple...

  • Article
  • Open Access
11 Citations
3,854 Views
18 Pages

29 April 2023

In aging laying hens, reproductive changes reduce egg quality. Bacillus subtilis natto (B. subtilis) is a versatile bacterium with high vitamin K2 content, providing health benefits for animals and humans. This study investigated the effect of B. sub...

  • Article
  • Open Access
2,449 Views
14 Pages

The Usefulness of Vitamin K-Dependent Proteins in the Diagnosis of Colorectal Carcinoma

  • Mirela-Georgiana Perné,
  • Adela-Viviana Sitar-Tăut,
  • Olga Hilda Orășan,
  • Vasile Negrean,
  • Călin Vasile Vlad,
  • Teodora-Gabriela Alexescu,
  • Mircea Vasile Milaciu,
  • Lorena Ciumărnean,
  • Răzvan Dan Togănel and
  • Alexandra Crăciun
  • + 2 authors

Colorectal cancer (CRC) is one of the most common neoplasms in developed countries, with increasing incidence and mortality, even in young people. A variety of serum markers have been associated with CRC (CEA, CA 19-9), but neither should be used as...

  • Article
  • Open Access
1 Citations
1,336 Views
12 Pages

Vitamin K-Dependent Proteins as Predictors of Valvular Calcifications and Mortality in Hemodialysis Patients

  • Marcel Palamar,
  • Iulia Dana Grosu,
  • Adalbert Schiller,
  • Ligia Petrica,
  • Madalina Bodea,
  • Alexandru Sircuta,
  • Elisabeta Gruescu,
  • Oana Daniela Matei,
  • Maria Daniela Tanasescu and
  • Flaviu Bob
  • + 1 author

Background/Objectives: Vitamin K deficiency in chronic kidney disease (CKD) could potentially occur due to multiple factors, leading to an increased risk of vascular and valvular calcifications. Vitamin K status can be indirectly assessed by measurin...

  • Article
  • Open Access
1,914 Views
11 Pages

Rationale and Protocol of the ETERNITY-ITA Study: Use of Etelcalcetide for Preserving Vitamin K-Dependent Protein Activity—An Italian Study

  • Maria Fusaro,
  • Andrea Aghi,
  • Carmela Marino,
  • Francesca Mallamaci,
  • Mario Plebani,
  • Martina Zaninotto,
  • Maria Grano,
  • Silvia Colucci,
  • Maurizio Gallieni and
  • Giovanni Tripepi
  • + 9 authors

2 October 2024

Background/Objectives: Chronic kidney disease and mineral bone disorders (CKD-MBD) are frequently associated with an increased risk of both vascular calcifications (VCs) and bone fractures (BFs). The complex pathogenesis of VCs and BFs involves vario...

  • Review
  • Open Access
85 Citations
17,272 Views
13 Pages

The Inhibitory Roles of Vitamin K in Progression of Vascular Calcification

  • Atsushi Shioi,
  • Tomoaki Morioka,
  • Tetsuo Shoji and
  • Masanori Emoto

23 February 2020

Vitamin K is a fat-soluble vitamin that is indispensable for the activation of vitamin K-dependent proteins (VKDPs) and may be implicated in cardiovascular disease (CVD). Vascular calcification is intimately associated with CV events and mortality an...

  • Article
  • Open Access
3 Citations
2,117 Views
13 Pages

Differences in Bone Metabolism between Children with Prader–Willi Syndrome during Growth Hormone Treatment and Healthy Subjects: A Pilot Study

  • Joanna Gajewska,
  • Magdalena Chełchowska,
  • Katarzyna Szamotulska,
  • Witold Klemarczyk,
  • Małgorzata Strucińska and
  • Jadwiga Ambroszkiewicz

23 August 2024

Despite therapy with growth hormone (GH) in children with Prader–Willi syndrome (PWS), low bone mineral density and various orthopedic deformities have been observed often. Therefore, this study aimed to analyze bone markers, with an emphasis o...

  • Article
  • Open Access
5 Citations
3,007 Views
12 Pages

The First Evaluation of Serum Levels of MGP, Gas6 and EGFR after First Dose of Chemotherapy in Lung Cancer

  • Andreea Crintea,
  • Alina Gabriela Dutu,
  • Anne-Marie Constantin,
  • Zsolt Fekete,
  • Gabriel Samasca,
  • Iulia Lupan,
  • Ioan Alexandru Florian,
  • Ciprian Nicolae Silaghi and
  • Alexandra Marioara Craciun

6 January 2022

Background: Vitamin K-dependent proteins (VKDPs) and the epidermal growth factor receptor (EGFR) are involved in lung cancer progression. Therefore, we aimed to study the serum concentration of Matrix Gla protein (MGP), Growth Arrest-specific 6 (Gas6...

  • Article
  • Open Access
15 Citations
4,177 Views
11 Pages

Hepatic and Vascular Vitamin K Status in Patients with High Cardiovascular Risk

  • Nikolas Rapp,
  • Vincent M. Brandenburg,
  • Nadine Kaesler,
  • Stephan J. L. Bakker,
  • Robert Stöhr,
  • Alexander Schuh,
  • Pieter Evenepoel and
  • Leon J. Schurgers

1 October 2021

Vitamin K dependent proteins (VKDP), such as hepatic coagulation factors and vascular matrix Gla protein (MGP), play key roles in maintaining physiological functions. Vitamin K deficiency results in inactive VKDP and is strongly linked to vascular ca...

  • Review
  • Open Access
30 Citations
8,144 Views
24 Pages

Vitamin K Dependent Proteins in Kidney Disease

  • Ciprian N. Silaghi,
  • Tamás Ilyés,
  • Vladimir P. Filip,
  • Marius Farcaș,
  • Adriana J. van Ballegooijen and
  • Alexandra M. Crăciun

Patients with chronic kidney disease (CKD) have an increased risk of developing vascular calcifications, as well as bone dynamics impairment, leading to a poor quality of life and increased mortality. Certain vitamin K dependent proteins (VKDPs) act...

  • Article
  • Open Access
7 Citations
3,420 Views
10 Pages

First Comparative Evaluation of Short-Chain Fatty Acids and Vitamin-K-Dependent Proteins Levels in Mother–Newborn Pairs at Birth

  • Tamás Ilyés,
  • Marius Pop,
  • Mihai Surcel,
  • Daria M. Pop,
  • Răzvan Rusu,
  • Ciprian N. Silaghi,
  • Gabriela C. Zaharie and
  • Alexandra M. Crăciun

21 March 2023

Background: The interplay between vitamin K (vitK) (as carboxylation cofactor, partially produced by the gut microbiota) and short-chain fatty acids (SCFAs), the end-product of fiber fermentation in the gut, has never been assessed in mother–ne...

  • Review
  • Open Access
7 Citations
7,950 Views
14 Pages

Vitamin K and Calcium Chelation in Vascular Health

  • Jan O. Aaseth,
  • Urban Alehagen,
  • Trine Baur Opstad and
  • Jan Alexander

27 November 2023

The observation that the extent of artery calcification correlates with the degree of atherosclerosis was the background for the alternative treatment of cardiovascular disease with chelator ethylenediamine tetraacetate (EDTA). Recent studies have in...