نتایج جستجو برای: immune function

تعداد نتایج: 1438458  

2013
Barbara Prietl Gerlies Treiber Thomas R. Pieber Karin Amrein

Vitamin D metabolizing enzymes and vitamin D receptors are present in many cell types including various immune cells such as antigen-presenting-cells, T cells, B cells and monocytes. In vitro data show that, in addition to modulating innate immune cells, vitamin D also promotes a more tolerogenic immunological status. In vivo data from animals and from human vitamin D supplementation studies ha...

Journal: :Exercise immunology review 2005
Robert S Mazzeo

Little is known with regard to how acute and chronic high altitude exposure effects immune function. Hypoxia is an environmental stressor that is known to elicit alterations in both the autonomic nervous system and endocrine function. Alterations in these systems can have an immediate as well as a longer lasting impact on immune function. Studies from the summit of Pikes Peak (4300 m) have indi...

Journal: :The Proceedings of the Nutrition Society 2001
R F Grimble

The inflammatory response to injury and infection, although an essential part of immune function, carries the risk of severe tissue depletion and immunosuppression. These outcomes increase morbidity and delay recovery. Evidence is accumulating that single-nucleotide polymorphisms in the genes controlling pro-inflammatory cytokine production adversely influence the response. Immunonutrition prov...

Journal: :Clinical and diagnostic laboratory immunology 1998
J A Bartlett S J Schleifer M K Demetrikopoulos B R Delaney S C Shiflett S E Keller

In the present study, we examine immunological functioning in normal healthy African-American and Latino/Latina adolescents recruited from an inner-city high school and an inner-city clinic. A battery of tests was performed with enumerative and functional measures which encompassed both innate and adaptive immunity. We found immune differences related to age, gender, and race on both the enumer...

Journal: :Magnesium research 2008
Maria José Laires Cristina Monteiro

Physical exercise may deplete magnesium, which together with a marginal dietary magnesium intake may impair energy metabolism, muscle function, oxygen uptake and electrolyte balance. Consequently, the ability to perform physical work may be compromised. Many aspects of immune function can be depressed temporarily by either a single bout of very severe exercise or a longer period of excessive tr...

2014
Jonathan Jantsch Katrina J. Binger Dominik N. Müller Jens Titze

Macrophages are not only involved in inflammatory and anti-infective processes, but also play an important role in maintaining tissue homeostasis. In this review, we summarize recent evidence investigating the role of macrophages in controlling angiogenesis, metabolism as well as salt and water balance. Particularly, we summarize the importance of macrophage tonicity enhancer binding protein (T...

2005

A decrease in circulating Fe, or hypoferraemia, is one of the most constant features of infectious disease. Since Fe deprivation in bacterial cultures is regularly associated with inhibition of growth, it has been suggested that Fe deficiency may represent an important defence mechanism (Weinberg, 1990). The term ‘nutritional immunity’ has been introduced by Kochan (1973) to underline the impor...

Journal: :ACS nano 2010
Laura K Braydich-Stolle Janice L Speshock Alicia Castle Marcus Smith Richard C Murdock Saber M Hussain

On the basis of their uses in jet fuels and munitions, the most likely scenario for aluminum nanoparticle (NP) exposure is inhalation. NPs have been shown to be capable of penetrating deep into the alveolar regions of the lung, and therefore human alveolar macrophages (U937) with human type II pneumocytes (A549) were cultured together and exposed to NPs dispersed in an artificial lung surfactan...

2011
Rachel C Sumner Andrew Parton Alexander V Nowicky Uday Kishore Yori Gidron Rachel Sumner

 Miss Rachel C Sumner – School of Health Sciences & Social Care, Brunel University, West London, UK  Dr Andrew Parton – School of Social Sciences, Brunel University, West London, UK  Dr Alexander V Nowicky – School of Health Sciences & Social Care, Brunel University, West London, UK  Dr Uday Kishore – School of Health Sciences & Social Care, Brunel University, West London, UK  Prof Yori Gi...

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