Results 131 to 140 of about 2,020,358 (433)

Vitamin D’s Effect on Immune Function

open access: yesNutrients, 2020
Ever since its discovery by Windhaus, the importance of the active metabolite of vitamin D (1,25-dihydroxyvitamin D3; 1,25-(OH)2D3) has been ever expanding.
P. Martens   +3 more
semanticscholar   +1 more source

Leveraging Organ‐on‐Chip Models to Investigate Host–Microbiota Dynamics and Targeted Therapies for Inflammatory Bowel Disease

open access: yesAdvanced Healthcare Materials, EarlyView.
The challenges of studying inflammatory bowel disease (IBD), highlighting limitations of traditional 2D cell cultures and animal models are discussed here. It introduces human intestine organ‐on‐chip (OoC) models as a promising alternative, capable of more accurately mimicking the intestinal microenvironment.
Tim Kaden   +5 more
wiley   +1 more source

Electronic structure and correlations of vitamin B12 studied within the Haldane-Anderson impurity model [PDF]

open access: yes, 2015
We study the electronic structure and correlations of vitamin B12 (cyanocobalamine) by using the framework of the multi-orbital single-impurity Haldane-Anderson model of a transition-metal impurity in a semiconductor host. The parameters of the effective Haldane-Anderson model are obtained within the Hartree-Fock (HF) approximation.
arxiv   +1 more source

Is there a role for vitamin C in preventing osteoporosis and fractures?:A review of the potential underlying mechanisms and current epidemiological evidence [PDF]

open access: yes, 2014
Osteoporosis and related fractures are a major global health issue, but there are few preventative strategies. Previously reported associations between higher intakes of fruits and vegetables and skeletal health have been suggested to be partly ...
Ailsa A. Welch   +23 more
core   +1 more source

Vitamin D deficiency: a worldwide problem with health consequences.

open access: yesAmerican Journal of Clinical Nutrition, 2008
Vitamin D deficiency is now recognized as a pandemic. The major cause of vitamin D deficiency is the lack of appreciation that sun exposure in moderation is the major source of vitamin D for most humans.
M. Holick, Tai C. Chen
semanticscholar   +1 more source

Analysis of vitamin D level among asymptomatic and critically ill COVID-19 patients and its correlation with inflammatory markers

open access: yesScientific Reports, 2020
COVID-19 is characterized by marked variability in clinical severity. Vitamin D had recently been reviewed as one of the factors that may affect the severity in COVID-19.
A. Jain   +5 more
semanticscholar   +1 more source

Gasotransmitters in Modern Medicine: Promises and Challenges in the Use of Porous Crystalline Carriers

open access: yesAdvanced Healthcare Materials, EarlyView.
This perspective provides an overview of the growing interest in utilizing various gasotransmitters—small gaseous signaling molecules namely nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S)—for several therapeutic applications, with emphasis on the potential use of porous materials as carriers to provide safe and controlled local ...
Rosana V. Pinto   +2 more
wiley   +1 more source

Proximate composition, vitamin and mineral composition, antioxidant capacity, and anticancer activity of Acanthopanax trifoliatus

open access: yesJournal of Advanced Pharmaceutical Technology & Research, 2020
Acanthopanax trifoliatus has been used as both traditional plant food and medicinal plant in Thailand. This study aimed to evaluate proximate, vitamin, and mineral compositions of A.
Aunyachulee Ganogpichayagrai   +1 more
doaj   +1 more source

Vitamin D Deficiency and Risk of Cardiovascular Disease

open access: yesCirculation, 2008
Background— Vitamin D receptors have a broad tissue distribution that includes vascular smooth muscle, endothelium, and cardiomyocytes. A growing body of evidence suggests that vitamin D deficiency may adversely affect the cardiovascular system, but data
Thomas J. Wang   +9 more
semanticscholar   +1 more source

Self‐Healing Hydrogel Dressing with Solubilized Flavonoids for Whole Layer Regeneration of Diabetic Wound

open access: yesAdvanced Healthcare Materials, EarlyView.
High glucose‐ and acid‐responsive hydrogel with dynamic covalent bond solubilized with flavonoids (Gel‐Flavonoids) is designed for diabetic wound healing. The Gel‐Flavonoids adapt to irregular wound shapes and release antioxidants in high‐glucose environments, effectively reducing reactive oxygen species.
Qiang Zeng   +9 more
wiley   +1 more source

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