Vitamin Derivatives
Vitamin Derivatives - Related Videos
01:30
Vitamins
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2024
Vitamins, derived from the Latin word for life, are essential organic substances required in small quantities for optimal growth and overall well-being. Unlike other organic nutrients, vitamins don't act as sources of energy or building materials but rather facilitate these nutrients' utilization by the body. Vitamins are predominantly coenzymes, assisting enzymes in specific chemical actions, like the oxidation of glucose for energy involving B vitamins. Most vitamins are not produced in our...
12:48
PLGA Nanoparticles Formed by Single- or Double-emulsion with Vitamin E-TPGS
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Cited by 211 •
2013
We describe the production and characterization of nanoparticles and microparticles composed of poly(lactic-co-glycolic acid) using vitamin E-TPGS as an emulsifier. By varying formulation parameters such as the concentration of emulsifier, it is possible to produce nanoparticles with mean diameters ranging from 220 nm to 1.98 µm.
01:23
Role of Skin in Vitamin D Synthesis
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2023
The skin plays a crucial role in the synthesis of vitamin D, a vital nutrient for various physiological processes in the body. Vitamin D is unique because it can be synthesized in the skin through a series of chemical reactions triggered by exposure to ultraviolet B (UVB) radiation from sunlight. The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin D3(cholecalciferol).
01:27
Mineral, Vitamin and Water Absorption
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2024
Electrolytes are essential minerals and ions primarily obtained from the diet and absorbed through the gastrointestinal tract. Most electrolytes are absorbed in the small intestine. While the absorption of iron and calcium primarily occurs in the duodenum, calcium is also absorbed in the jejunum and ileum. In these regions, passive diffusion contributes to its absorption alongside active transport mechanisms in the duodenum. These ions can exit the enterocytes through specialized active...
06:47
Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells
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Cited by 15 •
2018
We present a protocol to investigate the mRNA expression biomarkers of periosteum-derived cells (PDCs) induced by vitamin C (vitamin C) and 1,25-dihydroxy vitamin D [1,25-(OH)2D3]. In addition, we evaluate the ability of PDCs to differentiate into osteocytes, chondrocytes, and adipocytes.
FAQs
Small differences in chemical structure can alter how a vitamin derivative functions in cells. Structure helps shape whether the compound participates in enzyme catalysis, contributes to gene regulation, supports cellular communication, or serves as a precursor for another active form. These differences help explain why related derivatives can produce distinct biological effects.
A derivative's biological effect depends partly on where it reaches and whether cells convert it into another form. Tissue distribution determines which cells encounter the compound, while intracellular conversion can change its activity or functional role. Considering both factors helps explain why the same vitamin-related compound may influence different biological processes in different tissues.
These roles describe different ways derivatives contribute to biology. A coenzyme supports enzyme-catalyzed reactions, a signaling molecule helps regulate communication or cellular responses, and a precursor can be converted into a biologically active compound. Distinguishing these functions clarifies how vitamin-related chemistry connects molecular activity with metabolism, regulation, and cellular behavior.
Their effects can extend across several levels of biology, including enzyme activity, gene regulation, cellular communication, and metabolism. Through these mechanisms, vitamin derivatives are relevant to growth, development, immunity, and energy production. The specific outcome depends on the derivative's structure, distribution among tissues, and conversion within cells.
A useful investigation considers three linked features: chemical structure, cellular conversion, and tissue distribution. Researchers can then relate these features to the derivative's role in catalysis, signaling, gene regulation, or metabolism. This framework connects molecular properties with biological outcomes and supports interpretation of how nutrient-related compounds act in living organisms.
They become especially informative when a biological effect cannot be understood from vitamin availability alone. Examining active forms, their conversion, and their distribution can help connect nutrient-related chemistry with altered metabolism or deficiency-associated outcomes. This perspective supports research aimed at clarifying how disrupted vitamin activity affects cellular and organismal function.
Their biological activities make them relevant to pharmaceutical research and to the design of therapeutic compounds that mimic or modify vitamin activity. Studying how structure influences regulation, signaling, or metabolism can guide investigation of compounds with targeted effects. This work links basic biology with efforts to develop or refine vitamin-related therapeutic approaches.