Skip to main page content
Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

My NCBI Filters
Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1929 1
1946 1
1947 1
1948 1
1950 1
1951 1
1952 1
1953 1
1958 1
1959 1
1960 1
1961 2
1962 1
1963 3
1964 8
1965 10
1966 8
1967 8
1968 7
1969 13
1970 14
1971 10
1972 1
1973 11
1974 9
1975 45
1976 66
1977 56
1978 52
1979 47
1980 52
1981 64
1982 77
1983 75
1984 100
1985 97
1986 101
1987 102
1988 97
1989 93
1990 124
1991 129
1992 129
1993 146
1994 134
1995 144
1996 149
1997 136
1998 163
1999 153
2000 185
2001 195
2002 211
2003 213
2004 230
2005 226
2006 251
2007 295
2008 240
2009 240
2010 272
2011 300
2012 289
2013 349
2014 345
2015 387
2016 393
2017 411
2018 467
2019 513
2020 569
2021 615
2022 409
Text availability
Article attribute
Article type
Publication date

Search Results

9,509 results
Results by year
Filters applied: . Clear all
Page 1
Vitamin K: Double Bonds beyond Coagulation Insights into Differences between Vitamin K1 and K2 in Health and Disease.
Halder M, Petsophonsakul P, Akbulut AC, Pavlic A, Bohan F, Anderson E, Maresz K, Kramann R, Schurgers L. Halder M, et al. Int J Mol Sci. 2019 Feb 19;20(4):896. doi: 10.3390/ijms20040896. Int J Mol Sci. 2019. PMID: 30791399 Free PMC article. Review.
Vitamin K can be present in various isoforms, distinguishable by two main structures, namely, phylloquinone (K1) and menaquinones (K2). The difference in structure between K1 and K2 is seen in different absorption rates, tissue distribution, and bioavailability. ... …
Vitamin K can be present in various isoforms, distinguishable by two main structures, namely, phylloquinone (K1) and menaquinones (K2 …
Vitamin K2 Needs an RDI Separate from Vitamin K1.
Akbulut AC, Pavlic A, Petsophonsakul P, Halder M, Maresz K, Kramann R, Schurgers L. Akbulut AC, et al. Nutrients. 2020 Jun 21;12(6):1852. doi: 10.3390/nu12061852. Nutrients. 2020. PMID: 32575901 Free PMC article. Review.
In this review, we highlight the specific activity of vitamin K2 based upon proposed frameworks necessary for a bioactive substance to be recommended for an RDI. Vitamin K2 meets all these criteria and should be considered for a specific dietary recommendation intak …
In this review, we highlight the specific activity of vitamin K2 based upon proposed frameworks necessary for a bioactive substance t …
Vitamin K2 promotes PI3K/AKT/HIF-1α-mediated glycolysis that leads to AMPK-dependent autophagic cell death in bladder cancer cells.
Duan F, Mei C, Yang L, Zheng J, Lu H, Xia Y, Hsu S, Liang H, Hong L. Duan F, et al. Sci Rep. 2020 May 7;10(1):7714. doi: 10.1038/s41598-020-64880-x. Sci Rep. 2020. PMID: 32382009 Free PMC article.
Vitamin K2 has been shown to exert remarkable anticancer activity. However, the detailed mechanism remains unclear. ...Moreover, suppression of PI3K/AKT and HIF-1alpha attenuated Vitamin K2-increased glucose consumption and lactate generation, indicating that Vitami …
Vitamin K2 has been shown to exert remarkable anticancer activity. However, the detailed mechanism remains unclear. ...Moreover, supp …
Vitamins K1 and K2: The Emerging Group of Vitamins Required for Human Health.
Schwalfenberg GK. Schwalfenberg GK. J Nutr Metab. 2017;2017:6254836. doi: 10.1155/2017/6254836. Epub 2017 Jun 18. J Nutr Metab. 2017. PMID: 28698808 Free PMC article. Review.
QUALITY OF EVIDENCE: PubMed was searched for articles on vitamin K (K1 and K2) along with books and conference proceedings and health conditions listed above. Level I and II evidence supports the use of vitamins K1 and K2 in osteoporosis and Level II evidence suppor …
QUALITY OF EVIDENCE: PubMed was searched for articles on vitamin K (K1 and K2) along with books and conference proceedings and health …
K2- or K3-EDTA: the anticoagulant of choice in routine haematology?
Goossens W, Van Duppen V, Verwilghen RL. Goossens W, et al. Clin Lab Haematol. 1991;13(3):291-5. doi: 10.1111/j.1365-2257.1991.tb00284.x. Clin Lab Haematol. 1991. PMID: 1794231
The choice of K2- or K3-EDTA as the preferred anticoagulant for blood count remains controversial. ...Automated instruments react in a different way, their MCV is not influenced by K3-EDTA concentrations up to ten times normal, while K2-EDTA, at high concentrations, …
The choice of K2- or K3-EDTA as the preferred anticoagulant for blood count remains controversial. ...Automated instruments react in …
[Vitamin K2].
Ishida Y. Ishida Y. Clin Calcium. 2008 Oct;18(10):1476-82. Clin Calcium. 2008. PMID: 18830045 Review. Japanese.
Vitamin K2 has been approved for the treatment of osteoporosis in Japan since 1995. Vitamin K2 treatment in osteoporosis has been shown to inhibit the occurrence of new bone fractures and to maintain BMD. ...
Vitamin K2 has been approved for the treatment of osteoporosis in Japan since 1995. Vitamin K2 treatment in osteoporosis has b …
Molecular Mechanism of Vitamin K2 Protection against Amyloid-β-Induced Cytotoxicity.
Huang SH, Fang ST, Chen YC. Huang SH, et al. Biomolecules. 2021 Mar 13;11(3):423. doi: 10.3390/biom11030423. Biomolecules. 2021. PMID: 33805625 Free PMC article.
Vitamin K2 supplementation may have a protective effect on AD. However, the mechanism underlying vitamin K2 protection has not been elucidated. ...The protective effect of vitamin K2 could be abolished by adding warfarin, a vitamin K2 antagonist. ...
Vitamin K2 supplementation may have a protective effect on AD. However, the mechanism underlying vitamin K2 protection has not …
Vitamin K2 Awareness in Sun-Protected Patients Supplementing With Vitamin D.
Abouodah H, Douglas LM, Ho BV, Bhattacharya R, Wolf E, Wang-Weinman T, Liu D, Aires D. Abouodah H, et al. J Drugs Dermatol. 2021 Feb 1;20(2):228-229. doi: 10.36849/JDD.5829. J Drugs Dermatol. 2021. PMID: 33538554
Dermatologists often recommend vitamin D for sun-protected patients. Most patients are not aware of the key role vitamin K2 plays in vitamin D metabolism and do not receive sufficient dietary vitamin K2. A survey of 50 sun-protecting patients shows 4/50 understood t …
Dermatologists often recommend vitamin D for sun-protected patients. Most patients are not aware of the key role vitamin K2 plays in …
9,509 results