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vitamin K deficiency

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https://www.readbyqxmd.com/read/29335689/psoriasis-a-review-of-systemic-comorbidities-and-dental-management-considerations
#1
John K Brooks
OBJECTIVE: There is a growing body of evidence to substantiate that cutaneous psoriasis is associated with an increased risk for a multitude of systemic disorders. Although there is an extensive array of medical publications regarding psoriasis, the dental literature has almost exclusively been focused on erythema migrans and occasionally, with oral psoriatic mucositis, chronic periodontitis, and psoriatic arthritis of the temporomandibular joint. This report will review the diversity of systemic comorbidities, namely cardiovascular, neurologic, renal, liver, gastrointestinal, pulmonary, endocrine, ocular, arthritic (including temporomandibular joint), nail, cutaneous, and psychologic (including suicide) disorders; neoplasia; infection; dyslipidemia; vitamin D deficiency; substance abuse; higher mortality; and oral mucosal involvement...
January 15, 2018: Quintessence International
https://www.readbyqxmd.com/read/29333815/prevalence-of-vitamin-k-deficiency-and-associated-factors-in-non-supplemented-cystic-fibrosis-patients
#2
Patrycja Krzyżanowska, Sławomira Drzymala-Czyż, Nataliya Rohovyk, Lyudmyla Bober, Jerzy Moczkco, Marta Rachel, Jarosław Walkowiak
INTRODUCTION: Vitamin K deficiency is highly prevalent in cystic fibrosis (CF) patients despite supplementation. Moreover, no reliable risk factors for its occurrence are known. The aim was to assess the prevalence of vitamin K deficiency and associated factors in non-supplemented CF patients. METHODS: Prothrombin concentration induced by vitamin K absence (PIVKA-II) and the undercarboxylated osteocalcin percentage (u-OC) were determined. In all patients clinical status was assessed and its relation to vitamin K deficiency determined...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29326806/negative-impact-of-prolonged-antibiotics-or-persistent-diarrhea-on-vitamin-k1-levels-in-2-24-weeks-aged-egyptian-infants
#3
Mohsen S Elalfy, Fatma S E Ebeid, Iman A Elagouza, Fatma A Ibrahim, Noura B M Hassan, Beshoy A Botros
Background: To evaluate the hazard of prolonged antibiotic therapy and/or persistent diarrhea on vitamin K1 (VK1) level and bleeding profile in infants (2-24 weeks). Methods: A one-year case-control study, conducted at Ain Shams University, Egypt. 338 infants (2-24 weeks) were recruited and divided into 3 groups (1:1:3 ratios); group A (n=67) patients who received antibiotics for ≥10 days, group B (n=67) who had persistent diarrhea ≥ 14 days and group C (n=204) age- and gender- matched infants who had not either received antibiotics nor had diarrhea...
2018: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/29318504/oral-vitamin-b12-supplementation-after-roux-en-y-gastric-bypass-a-systematic-review
#4
Kamal K Mahawar, Alastair Reid, Yitka Graham, Lindes Callejas-Diaz, Chetan Parmar, William Rj Carr, Neil Jennings, Rishi Singhal, Peter K Small
BACKGROUND: Many respectable guidelines recommend lifelong vitamin B12 injections for Roux-en-Y gastric bypass (RYGB) patients in the absence of lack of consensus on the efficacy of oral route of prophylaxis and the appropriate doses needed for this purpose. The purpose of this review was to examine the published English language scientific literature in accordance with PRISMA principles to find out if orally given vitamin B12 is adequate for prophylactic purposes in RYGB patients and the appropriate dosages needed for this purpose if it is...
January 9, 2018: Obesity Surgery
https://www.readbyqxmd.com/read/29314357/vitamin-d-levels-in-asthmatic-patients-with-and-without-allergic-bronchopulmonary-aspergillosis
#5
Ritesh Agarwal, Inderpaul S Sehgal, Sahajal Dhooria, Ashutosh N Aggarwal, Naresh Sachdeva, Sanjay K Bhadada, Mandeep Garg, Digambar Behera, Arunaloke Chakrabarti
Vitamin D deficiency is believed to a pathogenetic factor in patients with allergic bronchopulmonary aspergillosis (ABPA) and cystic fibrosis. Whether vitamin D deficiency is also prevalent in ABPA complicating asthma, remains unknown. Herein, we evaluate vitamin D levels in asthmatic patients with and without ABPA. In a prospective study, plasma vitamin D (25[OH]D) levels were measured in consecutive subjects with asthma (n=75), ABPA (n=158) and healthy volunteers (n=50). Vitamin D levels <20 ng/mL were considered as vitamin D deficiency...
January 4, 2018: Mycoses
https://www.readbyqxmd.com/read/29300243/clinical-relevance-of-aortic-stiffness-in-end-stage-renal-disease-and-diabetes-implication-for-hypertension-management
#6
Alexandra Yannoutsos, Sola Aoun Bahous, Michel E Safar, Jacques Blacher
: Evidence suggests that aortic stiffness may antedate and contribute initially to the development of hypertension and cardiovascular risk (CVR). In treated hypertensive patients, both diabetes and end-stage renal disease (ESRD) are comorbid conditions associated with increased aortic stiffness and high CVR. Thus, the pathophysiological relationship between aortic stiffness, blood pressure (BP) and CVR may have clinical implication in the management of hypertension. In patients with diabetes or ESRD, aortic stiffness is a significant predictor of CVR, independently of BP control...
January 2, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29285447/role-of-parathyroid-hormone-in-determination-of-fat-mass-in-patients-with-vitamin-d-deficiency
#7
Raman K Marwaha, M K Garg, Namita Mahalle, Kuntal Bhadra, Nikhil Tandon
Background: Obesity has become a global epidemic and it is rising is Asia. Vitamin D deficiency (VDD) is widely prevalent in the Indian subcontinent. Studies have linked VDD to obesity and shown correlation between parathyroid hormone (PTH), 25-hydroxy Vitamin D (25(OH)D), and fat mass (FM). However, studies on the role of PTH among subjects with VDD are lacking. Objective: The objective of this study is to study the role of PTH in the determination of FM in participants with VDD...
November 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29278315/retracted-amelioration-of-osteoporosis-by-menatetrenone-in-elderly-female-parkinson%C3%A2-s-disease-patients-with-vitamin-d-deficiency
#8
Y Sato, Y Honda, M Kaji, T Asoh, K Hosokawa, I Kondo, K Satoh
No abstract text is available yet for this article.
January 2018: Bone
https://www.readbyqxmd.com/read/29275983/the-association-of-vitamin-d-status-in-lower-extremity-muscle-strains-and-core-muscle-injuries-at-the-national-football-league-combine
#9
Brian J Rebolledo, Johnathan A Bernard, Brian C Werner, Andrea K Finlay, Benedict U Nwachukwu, David M Dare, Russell F Warren, Scott A Rodeo
PURPOSE: To evaluate the association between serum vitamin D level and the prevalence of lower extremity muscle strains and core muscle injuries in elite level athletes at the National Football League (NFL) combine. METHODS: During the 2015 NFL combine, all athletes with available serum vitamin D levels were included for study. Baseline data were collected, including age, race, body mass index, position, injury history specific to lower extremity muscle strain or core muscle injury, and Functional Movement Screen scores...
December 19, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29247784/efficacy-of-vitamin-d-interventional-strategies-in-saudi-children-and-adults
#10
REVIEW
Nasser M Al-Daghri, Sherif H Abd-Alrahman, Amaresh Panigrahy, Yousef Al-Saleh, Naji Aljohani, Omar S Al-Attas, Majed Alokail, Malak N K Khattak
Despite the amount of sunshine in Saudi Arabia, vitamin D (25(OH)D) deficiency is highly prevalent among Saudis. Several strategies are known to improve 25(OH)D status. The aim of this study was to evaluate the efficacy of different interventional strategies in improving 25(OH)D status in Saudi children and adults. This interventional study was undertaken among 593 out of 1152 Saudi subjects [530 students (aged 13-17 years) and 63 teachers (aged 26-46 years)] over a 6-month period from different secondary schools in Riyadh, Saudi Arabia...
December 13, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29246873/unmethylated-promoter-dna-correlates-with-p53-expression-and-apoptotic-levels-only-in-vitamin-b9-and-b12-deficient-megaloblastic-anemia-but-not-in-non-megaloblastic-anemia-controls
#11
Manish K Yadav, Nandini M Manoli, Selvaraj Vimalraj, SubbaRao V Madhunapantula
Cyanocobalamin (Vitamin B12, VB12) and Folic acid (Vitamin B9, VB9) deficiency leads to anemia in women. We have recently shown low VB12 and VB9 levels in the serum of megaloblastic anemia (MBA) patients. Further, our study demonstrated elevated homocysteine and p53, respectively, in the serum and bone marrow aspirates of MBA patients but not in non-MBA subjects. However, it is unknown whether any gender specific variation in VB12 and VB9 level exists in MBA and non-MBA patients? In addition, it is unclear whether low VB12 and VB9 has a role in the regulation of p53 expression in MBA patients? And whether elevated p53 is functionally active? If so, does bone marrow aspirates of MBA patients show elevated apoptosis...
December 13, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29246447/factor-vii-deficiency-unveiling-the-cellular-and-molecular-mechanisms-underlying-three-model-alterations-of-the-enzyme-catalytic-domain
#12
Maria Eugenia Chollet, Elisabeth Andersen, Ellen Skarpen, Christiane F Myklebust, Christian Koehler, Jens Preben Morth, Ampaiwan Chuansumrit, Mirko Pinotti, Francesco Bernardi, Bernd Thiede, Per Morten Sandset, Grethe Skretting
Activated factor (F) VII is a vitamin K-dependent glycoprotein that initiates blood coagulation upon interaction with tissue factor. FVII deficiency is the most common of the rare congenital bleeding disorders. While the mutational pattern has been extensively characterized, the pathogenic molecular mechanisms of mutations, particularly at the intracellular level, have been poorly defined. Here, we aimed at elucidating the mechanisms underlying altered FVII biosynthesis in the presence of three mutation types in the catalytic domain: a missense change, a microdeletion and a frameshift/elongation, associated with severe or moderate to severe phenotypes...
December 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29243851/alterations-in-gene-expression-in-vitamin-d-deficiency-down-regulation-of-liver-cyp7a1-and-renal-oat3-in-mice
#13
Holly P Quach, Keumhan Noh, Stacie Y Hoi, Adrie Bruinsma, Geny M M Groothuis, Albert P Li, Edwin C Y Chow, K Sandy Pang
The vitamin D-deficient model, established in C57BL/6 mouse after 8-week feeding of vitamin D-deficient diets in absence or presence of added calcium, was found associated with elevated levels of plasma parathyroid hormone (PTH) and plasma and liver cholesterol, and reduction in cholesterol 7α-hydroxylase (Cyp7a1, rate-limiting enzyme for cholesterol metabolism) and renal Oat3 mRNA/protein expression levels. There was, however, no change in plasma calcium and phosphate levels. Appraisal of the liver revealed up-regulation of mRNA expressions of the small heterodimer partner (Shp) and attenuation of Cyp7a1, which contributed to hypercholesterolemia in vitamin D-deficiency...
December 15, 2017: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/29240264/longitudinal-vitamin-d-deficiency-is-inversely-related-to-mite-sensitization-in-early-childhood
#14
Chih-Yung Chiu, Kuan-Wen Su, Ming-Han Tsai, Man-Chin Hua, Sui-Ling Liao, Shen-Hao Lai, Li-Chen Chen, Tsung-Chieh Yao, Kuo-Wei Yeh, Jing-Long Huang
BACKGROUND: There are few studies addressing the longitudinal analysis of vitamin D deficiency and its impact to the development of atopic diseases in early childhood. METHODS: We investigated 155 children who regularly followed up at our clinic for 5 years as subjects enrolled in a birth cohort study. The pattern of vitamin D levels from birth to 5 years of age was clustered using K-means method in R software. Absolute eosinophil count (AEC), total serum and specific immunoglobulin E antibodies against food (egg white, milk, and wheat) and inhalant allergens (D...
December 14, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29227493/prophylactic-role-of-vitamin-k-supplementation-on-vascular-inflammation-in-type-2-diabetes-by-regulating-the-nf-%C3%AE%C2%BAb-nrf2-pathway-via-activating-gla-proteins
#15
Anjum Dihingia, Dibyajyoti Ozah, Pranab Kumar Baruah, Jatin Kalita, Prasenjit Manna
There is no previous study that has examined the relationship between circulating vitamin K1 (VK1) and vascular inflammation in type 2 diabetes (T2D). This study aims to examine the hypothesis that circulating VK1 deficiency may be associated with higher inflammation and insulin resistance in T2D patients and that VK1 supplementation regulates the NF-κB/Nrf2 pathway via activating VK-dependent Gla proteins and reduces vascular inflammation. The results showed that plasma VK1 levels were significantly lower and MCP-1, fasting glucose, HbA1c, and insulin resistance (HOMA-IR) were significantly higher in T2D patients compared to those in the controls...
December 11, 2017: Food & Function
https://www.readbyqxmd.com/read/29222266/impact-of-bone-disease-and-pain-in-thalassemia
#16
REVIEW
Antonio Piga
Conventional treatment of thalassemia, namely regular blood transfusion and iron chelation, improves perspectives and quality of life; however, successful treatment leads to more time in which long-term complications such as bone disease can develop. Thalassemia bone disease (TBD) is unique: all aspects, from bone anatomy and bone quality to mineral density, may be affected, with important morbidity including osteoporosis, fractures, spinal deformities, nerve compression, and pain. Clinical presentations include growth impairment, rickets-like features, back pain, spinal deformities, any sign of nerve compression, severe osteoporosis, and fragility fractures...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29218905/considerations-for-automated-machine-learning-in-clinical-metabolic-profiling-altered-homocysteine-plasma-concentration-associated-with-metformin-exposure
#17
Alena Orlenko, Jason H Moore, Patryk Orzechowski, Randal S Olson, Junmei Cairns, Pedro J Caraballo, Richard M Weinshilboum, Liewei Wang, Matthew K Breitenstein
With the maturation of metabolomics science and proliferation of biobanks, clinical metabolic profiling is an increasingly opportunistic frontier for advancing translational clinical research. Automated Machine Learning (AutoML) approaches provide exciting opportunity to guide feature selection in agnostic metabolic profiling endeavors, where potentially thousands of independent data points must be evaluated. In previous research, AutoML using high-dimensional data of varying types has been demonstrably robust, outperforming traditional approaches...
2018: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/29216203/dose-responses-of-vitamin-d3-supplementation-on-arterial-stiffness-in-overweight-african-americans-with-vitamin-d-deficiency-a-placebo-controlled-randomized-trial
#18
RANDOMIZED CONTROLLED TRIAL
Anas Raed, Jigar Bhagatwala, Haidong Zhu, Norman K Pollock, Samip J Parikh, Ying Huang, Robyn Havens, Ishita Kotak, De-Huang Guo, Yanbin Dong
BACKGROUND: Clinical trials are scant and equivocal on whether vitamin D can ameliorate arterial stiffness, particularly in populations at high risk for vitamin D deficiency and cardiovascular disease (CVD). This study determined the dose-response effects of vitamin D3 supplementation on arterial stiffness in overweight African Americans with vitamin D deficiency. METHODS: Seventy overweight African Americans (aged 13-45 years) with serum 25-hydroxyvitamin D [25(OH)D] levels ≤ 20 ng/mL were randomized to monthly oral supplementation of 18,000 IU (~600 IU/day, n = 17), 60,000 IU (~2000 IU/day, n = 18), or 120,000 IU (~4000 IU/day, n = 18) of vitamin D3 or placebo (n = 17) for 16-weeks...
2017: PloS One
https://www.readbyqxmd.com/read/29207502/relationship-between-vitamin-intake-and-depressive-symptoms-in-elderly-japanese-individuals-differences-with-gender-and-body-mass-index
#19
Thao Thi Thu Nguyen, Hiromasa Tsujiguchi, Yasuhiro Kambayashi, Akinori Hara, Sakae Miyagi, Yohei Yamada, Haruki Nakamura, Yukari Shimizu, Daisuke Hori, Fumihiko Suzuki, Koichiro Hayashi, Hiroyuki Nakamura
Only a few studies have focused on the relationship between vitamin intake and depressive symptoms in Japanese individuals. This cross-sectional study investigated the relationship between vitamin intake and depressive symptoms in 1634 elderly Japanese individuals (65 years and older). The consumption of fifteen vitamins including retinol, a retinol equivalent, beta-carotene equivalent, vitamin D, alpha-tocopherol, vitamin K, vitamin group B, vitamin C, and cryptoxanthine was analyzed using a brief-type self-administered diet history questionnaire (BDHQ)...
December 3, 2017: Nutrients
https://www.readbyqxmd.com/read/29192578/-nitrous-oxide-induced-polyneuropathy
#20
S H P Conjaerts, J E Bruijnes, K Beerhorst, R Beekman
Nitrous oxide, laughing gas, is used as a party drug to achieve a euphoric effect. It has been gaining popularity in recent years and is considered a relatively innocent substance. Nitrous oxide is known to cause subacute degeneration of the spinal cord by inactivation of active vitamin B12. Vitamin B12 plays an essential role in the synthesis of myelin. Hence, vitamin B12 deficiency can lead to degeneration of the dorsal and lateral columns of the spinal cord. Polyneuropathy is a less known complication. We present a 17-year-old woman and a 19-year-old man with subacute axonal polyneuropathy caused by laughing gas abuse...
2017: Nederlands Tijdschrift Voor Geneeskunde
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