Results 121 to 130 of about 17,019,648 (385)

Patient level pooled analysis of 68,500 patients from seven major vitamin D fracture trials in the US and Europe [PDF]

open access: yes, 2010
Objectives To identify participants’ characteristics that influence the anti-fracture efficacy of vitamin D or vitamin D plus calcium with respect to any fracture, hip fracture, and clinical vertebral fracture and to assess the influence of dosing ...
Abrahamsen, B   +18 more
core   +2 more sources

Decreased bioavailability of vitamin D in obesity.

open access: yesAmerican Journal of Clinical Nutrition, 2000
BACKGROUND Obesity is associated with vitamin D insufficiency and secondary hyperparathyroidism. OBJECTIVE This study assessed whether obesity alters the cutaneous production of vitamin D(3) (cholecalciferol) or the intestinal absorption of vitamin D(2)
J. Wortsman   +4 more
semanticscholar   +1 more source

Organoid‐Like Neurovascular Spheroids Promote the Recovery of Hypoxic‐Ischemic Skin Flaps Through the Activation of Autophagy

open access: yesAdvanced Healthcare Materials, EarlyView.
Highly sprouting organoid‐like neurovascular spheroids (NVUs) are developed, featuring cell‐loaded poly‐3‐hydroxybutyrate 4‐hydroxybutyrate(P34HB) porous microsphere cores embedded within Gelatin Methacryloyl. NVUs formed complex vascular plexuses and secreted extracellular matrix in vitro, simulating autologous nerves and blood interaction.
Junjin Jie   +5 more
wiley   +1 more source

Vitamin D toxicity

open access: yesIndian Journal of Endocrinology and Metabolism, 2012
A 67-year-old female was admitted to the hospital with a history of lethargy, memory impairment, confusion, anorexia and gait imbalance for 2 weeks duration. She did not have any history of fall or head injury.
Debasish Maji
doaj   +1 more source

Hypothalamic Vitamin D Improves Glucose Homeostasis and Reduces Weight [PDF]

open access: yes, 2016
Despite clear associations between vitamin D deficiency and obesity and/or type 2 diabetes, a causal relationship is not established. Vitamin D receptors (VDRs) are found within multiple tissues, including the brain.
Arble, Deanna M.   +9 more
core   +4 more sources

Chronic stress may disrupt covariant fluctuations of vitamin D and cortisol plasma levels in pregnant sheep during the last trimester: a preliminary report [PDF]

open access: yesarXiv, 2019
Psychosocial stress during pregnancy is a known contributor to preterm birth, but also has been increasingly appreciated as an in utero insult acting long-term on prenatal and postnatal neurodevelopmental trajectories. These events impact many information molecules, including both vitamin D and cortisol.
arxiv  

Vitamin K content of Australian-grown horticultural commodities [PDF]

open access: yesFood Chem. 452:139382 (2024)
Vitamin K is emerging as a multi-function vitamin that plays a role in bone, brain and vascular health. Vitamin K composition data remain limited globally and Australia has lacked nationally representative data for vitamin K1 (phylloquinone, PK) in horticultural commodities.
arxiv   +1 more source

Tri‐Layered Bioactive Cutaneous Scaffold with Integrated Bioactive Metal Organic Frameworks to Promote Full‐Thickness Infected Diabetic Wound Healing: Multifaceted Therapeutic Strategies

open access: yesAdvanced Healthcare Materials, EarlyView.
The limitations of existing clinical treatments highlight the need for a more comprehensive strategy for addressing infected diabetic wounds. A tri‐layered scaffold is developed to deliver therapeutics loaded in CuBDC and ZIF‐8 MOFs that are tailored to the requirements of deep‐infected diabetic wounds.
Ayse Gunyakti Mujtaba   +8 more
wiley   +1 more source

Do Flame Retardants Promote Vitamin D Deficiency? [PDF]

open access: yes, 2014
Vitamin D deficiency in the Unites States has become more prevalent in recent years. Research has shown that environmental chemicals such as flame-retardants induce hepatic enzymes in the cytochrome P450 family such as CYP24 and CYP3A that are important ...
Petteruti, Audrey
core   +2 more sources

Mathematical modelling of the vitamin C clock reaction [PDF]

open access: yesarXiv, 2018
Chemical clock reactions are characterised by a relatively long induction period followed by a rapid `switchover' during which the concentration of a \emph{clock chemical} rises rapidly. In addition to their interest in chemistry education, these reactions are relevant to industrial and biochemical applications. A substrate-depletive, non-autocatalytic
arxiv  

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