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6 edition of Modulation of cellular interactions of vitamin A and derivatives (retinoids) found in the catalog.

Modulation of cellular interactions of vitamin A and derivatives (retinoids)

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Published by New York Academy of Sciences in New York, N.Y .
Written in English

    Subjects:
  • Vitamin A -- Metabolism -- Congresses.,
  • Vitamin A -- Physiological effect -- Congresses.,
  • Cell interaction -- Congresses.,
  • Vitamin A -- Metabolism -- Congresses.,
  • Vitamin A -- Analogs and derivatives -- Congresses.,
  • Tretinoin -- Metabolism -- Congresses.,
  • Models, Biological -- Congresses.

  • Edition Notes

    Statementedited by Luigi M. De Luca and Stanley S. Shapiro.
    SeriesAnnals of the New York Academy of Sciences -- v.359
    ContributionsDe Luca, Luigi M., Shapiro, Stanley S., New York Academy of Sciences.
    Classifications
    LC ClassificationsQ11, QP772.V5
    ID Numbers
    Open LibraryOL22370869M
    ISBN 100897661079, 0897661087

      The structure of the major histocompatibility complex (MHC)-class-I-like molecule MR1 in complex with a vitamin B9 derivative is determined; metabolites of vitamin B2 . Studies over the last two decades have revealed profound immunomodulatory aspects of vitamin D on various aspects of the immune system. This review will provide an overview of Vitamin D metabolism, a description of dendritic cell subsets, and highlight recent advances on the effects of vitamin D on dendritic cell function, maturation, cytokine production and antigen presentation.

    The down regulation of the cellular power generator, adenosine triphosphate (ATP) synthase, in various cancer cells plays an obstructive role in mitochondria-mediated cell death. Cancer cells up-regulate ATPase inhibitory factor 1 (IF1) and down-regulate β-F1-ATPase of ATP synthase to . Background: Vitamin D deficiency has been shown to be independently associated with increased risk of viral acute respiratory infection (ARI) in a number of observational studies, and meta-analysis of clinical trials of vitamin D supplementation for prevention of ARI has demonstrated protective effects. Several cellular studies have investigated the effects of vitamin D metabolites on immune.

    (cont) Cholesterol, apolipoprotein E, and immune cell function --Oxygenated derivatives of cholesterol: their possible role in lymphocyte activation and differentiation --Prostaglandins, fatty acids, and arthritis --Vitamin E and the immune response --Copper and immunity --Modulation of differentiation antigen expression and function of immune. Vitamin, any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life. Vitamins generally cannot be synthesized in amounts sufficient to meet bodily needs and therefore must be obtained from the diet or from some synthetic source.


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Modulation of cellular interactions of vitamin A and derivatives (retinoids) Download PDF EPUB FB2

Get this from a library. Modulation of cellular interactions by vitamin A and derivatives (retinoids). [Luigi M De Luca; Stanley S Shapiro; New York Academy of Sciences.;].

Click on the title to browse this issue. Activation of some these enzymes after stimulation of cell surface receptors with growth factors or cytokines can be normalized by vitamin E. At the molecular level, the translocation of several of these enzymes to the plasma membrane is affected by vitamin E, suggesting that the modulation of protein-membrane interactions may be a common theme Cited by:   1.

Introduction. Vitamin A derivatives (or retinoids) are major nutrients for human health and modulate several functions, such as cell differentiation, proliferation, and apoptosis [1,2].Retinoids are used for xerophthalmia and blindness prevention [], and abnormal levels may be associated with teratogenic alterations [4,5].Retinoids are also key micronutrients for improving malnutrition and Cited by: 9.

However, additional studies are needed to fully elucidate the genetic pathways resulting in modulation of miRNA and to understand the complex interactions between miRNA and vitamin D-related targets.

Metabolism of Retinol and Its Derivatives. Vitamin A can be acquired from the diet either as preformed vitamin A (primarily as retinyl ester, retinol, and in much smaller amount as retinoic acid) or provitamin A carotenoids (Figure 1).Dietary retinyl esters are converted to retinol within the lumen of the small intestine or the intestinal mucosa and then reesterified to form retinyl ester.

Immunology Letters, 20 () Elsevier IML Modulation of cell - cell and cell - antigen interactions by 1,25 dihydroxyvitamin D3 and vitamin D3 sulfate in vitro: a study on pregnancy lymphocytes and hybridoma cells Joseph Najbauerl, Julia Szekeres-Bartho2 and Gor J.

Tigyi3* Department of 'Neurology and 21nstitute of Microbiology, University Medical School, Ps, and. Modulation of Cell Cycle Events by Vitamin D and Its Analogs The inhibition of cell cycle traverse by 1,25(OH) 2 D 3 and analogs has been investigated in normal and malignant keratinocytes [], [], and in many other types of tumor cells, with myeloid leukemia providing an excellent in vitro model system for this purpose [30], [].

It is well known that vitamin A is an essential nutrient for normal cellular function, including reproduction and development. () Modulation of. cellular interactions by vitamin A and derivatives (retinoids). Ann. N.Y. Acad. Sci., – Vitamin A derivatives (or retinoids) are major nutrients for human health and modulate several functions, such as cell differentiation, proliferation, and apoptosis [1,2].Retinoids are used for xerophthalmia and blindness prevention [], and abnormal levels may be associated with teratogenic alterations [4,5].Retinoids are also key micronutrients for improving malnutrition and enteric illnesses.

A pharmacophoric motif decorated with supramolecular functionalities (TZT) was designed for potential interaction with biological targets. Main insights of this work include the correlation of supra functionalities of TZT with its binding ability to proteins leading to the modulation of their structure and bioactivity as a promising perspective in the field of cellular protection from.

Abstract. The seco-steroid hormone 1α,dihydroxyvitamin D 3 (VD), is the most biologically active form of vitamin D 3 and an effective regulator of calcium homeostasis and bone metabolism [1]. VD has been known, for some time, to inhibit cell growth and to induce differentiation in several normal and malignant cell.

Vitamin D. Vitamin D receptor has important effects not only on physiological processes related to Ca 2+ metabolism but also on cell growth and differentiation.

Vitamin D receptor mRNA levels have been reported to be significantly higher in glioblastomas than in both low-grade and anaplastic astrocytomas (), and there is in vitro evidence that vitamin D metabolites alone or in combination with.

1. Introduction. The potential use of intravenous ascorbic acid (AA) as a complementary agent in cancer treatment has been studied since the s [1,2,3].Vitamin C has been explored as a component of combination therapy, either because of its synergy with primary treatment and chemosensitization activity [4,5] or, surprisingly, cancer cell death suppression agent [6,7].

All-trans retinoic acid (ATRA) is a derivative of vitamin A that has many important biological functions, including the modulation of immune responses. ATRA actions are mediated through the retinoic acid receptor that functions as a nuclear receptor, either regulating gene transcription in the nucleus or modulating signal transduction in the cytoplasm.

NLRP3 inflammasome is a multiprotein. Vitamin A has diverse biological functions and is transported to target tissues through the specific interaction between its blood transport protein (RBP) and its multitransmembrane domain receptor.

However, how this receptor is regulated was completely unknown. Both insufficient or excessive vitamin A uptake has deleterious effects. Through unbiased mass spectrometry analysis and. Title:The Need to Consider Context in the Evaluation of Anti-infectious and Immunomodulatory Effects of Vitamin A and its Derivatives VOLUME: 20 ISSUE: 8 Author(s):Pedro Xavier-Elsas*, Bruno M.

Vieira, Daniela Masid-de-Brito, Monica G. Barradas and Maria I.C. Gaspar-Elsas Affiliation:Department of Immunology, Instituto de Microbiologia Paulo de Goes, Universidade Federal do Rio de Janeiro. Silychristin A is the second most abundant compound of silymarin.

Silymarin complex was previously described as an antioxidant with multidrug resistance modulation activity. Here, the results of a classical biochemical antioxidant assay (ORAC) were compared with a cellular assay evaluating the antioxidant capacity of pure silychristin A and its derivatives (anhydrosilychristin, isosilychristin.

This book demonstrates that nutrients play a direct role as co-factors and regulators of the immune system. The book also shows that modulating the immune Nutrient Modulation of the Immune Response book. Nutrient Modulation of the Immune Response. DOI link for Nutrient Modulation of the Immune Response.

Retinoids are vitamin A derivatives with diverse biological functions. Both natural and artificial retinoids have been used as therapeutic reagents to treat human diseases, but not all retinoid actions are understood mechanistically.

Plasma retinol binding protein (RBP) is the principal and specific carrier of vitamin A in the blood. BF is a lipid-soluble provitamin with a high oral absorption, bioavailability, and safety profile. It is initially dephosphorylated by intestinal alkaline phosphatases in the gut, and rapidly absorbed into the bloodstream, where it is transformed into thiamine monophosphate and diphosphate derivatives by hepatic enzymes (Figure ).

75 BF is the least lipophilic of the currently available.The Role of Vitamin C in the Protection and Modulation of Genotoxic Damage Induced by Metals Associated with Oxidative Stress In book: Vitamin C.

Summary of the interactions between.Retinoids are vitamin A (retinol) derivatives and complex regulators of adipogenesis by activating specific nuclear receptors, including the retinoic acid receptor (RAR) and retinoid X receptor (RXR).