scholarly journals Potential Role of Carotenoids as Antioxidants in Human Health and Disease

Nutrients ◽  
2014 ◽  
Vol 6 (2) ◽  
pp. 466-488 ◽  
Author(s):  
Joanna Fiedor ◽  
Květoslava Burda
Keyword(s):  
Human Health ◽  
Potential Role ◽  
Health And Disease

scholarly journals First Insights into the Diverse Human Archaeome: Specific Detection of Archaea in the Gastrointestinal Tract, Lung, and Nose and on Skin

mBio ◽  
2017 ◽  
Vol 8 (6) ◽  
Author(s):  
Kaisa Koskinen ◽  
Manuela R. Pausan ◽  
Alexandra K. Perras ◽  
Michael Beck ◽  
Corinna Bang ◽  
...  
Keyword(s):  
Gastrointestinal Tract ◽  
Human Health ◽  
Potential Role ◽  
Tissue Samples ◽  
Biogeographic Patterns ◽  
Processing Pipeline ◽  
Health And Disease ◽  
First Time

ABSTRACT Human-associated archaea remain understudied in the field of microbiome research, although in particular methanogenic archaea were found to be regular commensals of the human gut, where they represent keystone species in metabolic processes. Knowledge on the abundance and diversity of human-associated archaea is extremely limited, and little is known about their function(s), their overall role in human health, or their association with parts of the human body other than the gastrointestinal tract and oral cavity. Currently, methodological issues impede the full assessment of the human archaeome, as bacteria-targeting protocols are unsuitable for characterization of the full spectrum of Archaea. The goal of this study was to establish conservative protocols based on specifically archaea-targeting, PCR-based methods to retrieve first insights into the archaeomes of the human gastrointestinal tract, lung, nose, and skin. Detection of Archaea was highly dependent on primer selection and the sequence processing pipeline used. Our results enabled us to retrieve a novel picture of the human archaeome, as we found for the first time Methanobacterium and Woesearchaeota (DPANN superphylum) to be associated with the human gastrointestinal tract and the human lung, respectively. Similar to bacteria, human-associated archaeal communities were found to group biogeographically, forming (i) the thaumarchaeal skin landscape, (ii) the (methano)euryarchaeal gastrointestinal tract, (iii) a mixed skin-gastrointestinal tract landscape for the nose, and (iv) a woesearchaeal lung landscape. On the basis of the protocols we used, we were able to detect unexpectedly high diversity of archaea associated with different body parts. IMPORTANCE In summary, our study highlights the importance of the primers and data processing pipeline used to study the human archaeome. We were able to establish protocols that revealed the presence of previously undetected Archaea in all of the tissue samples investigated and to detect biogeographic patterns of the human archaeome in the gastrointestinal tract and on the skin and for the first time in the respiratory tract, i.e., the nose and lungs. Our results are a solid basis for further investigation of the human archaeome and, in the long term, discovery of the potential role of archaea in human health and disease. IMPORTANCE In summary, our study highlights the importance of the primers and NGS data processing pipeline used to study the human archaeome. We were able to establish protocols that revealed the presence of previously undetected Archaea in all of the tissue samples investigated and to detect biogeographic patterns of the human archaeome in the gastrointestinal tract, on the skin, and for the first time in the respiratory tract, i.e., the nose and lungs. Our results are a solid basis for further investigation of the human archaeome and, in the long term, discovery of the potential role of archaea in human health and disease.

scholarly journals Mitochondrial Iron in Human Health and Disease

2019 ◽  
Vol 81 (1) ◽  
pp. 453-482 ◽  
Author(s):  
Diane M. Ward ◽  
Suzanne M. Cloonan
Keyword(s):  
Human Health ◽  
Mammalian Cells ◽  
Molecular Mechanisms ◽  
Innate Immune ◽  
Biological Functions ◽  
Mitochondrial Homeostasis ◽  
Innate Immune Signaling ◽  
Mitochondrial Iron ◽  
Health And Disease

Mitochondria are an iconic distinguishing feature of eukaryotic cells. Mitochondria encompass an active organellar network that fuses, divides, and directs a myriad of vital biological functions, including energy metabolism, cell death regulation, and innate immune signaling in different tissues. Another crucial and often underappreciated function of these dynamic organelles is their central role in the metabolism of the most abundant and biologically versatile transition metals in mammalian cells, iron. In recent years, cellular and animal models of mitochondrial iron dysfunction have provided vital information in identifying new proteins that have elucidated the pathways involved in mitochondrial homeostasis and iron metabolism. Specific signatures of mitochondrial iron dysregulation that are associated with disease pathogenesis and/or progression are becoming increasingly important. Understanding the molecular mechanisms regulating mitochondrial iron pathways will help better define the role of this important metal in mitochondrial function and in human health and disease.

Role of alpha-1 antitrypsin in human health and disease

2014 ◽  
Vol 276 (4) ◽  
pp. 311-335 ◽  
Author(s):  
F. de Serres ◽  
I. Blanco
Keyword(s):  
Human Health ◽  
Health And Disease ◽  
Alpha 1 Antitrypsin

scholarly journals Dietary Bioactive Compounds and Human Health and Disease

Nutrients ◽  
2020 ◽  
Vol 12 (2) ◽  
pp. 348 ◽  
Author(s):  
Sonia González
Keyword(s):  
Human Health ◽  
Bioactive Compounds ◽  
Scientific Evidence ◽  
Health And Disease ◽  
Nutritional Compounds ◽  
Dietary Bioactive Compounds

In the last century, solid scientific evidence has demonstrated the role of nutritional compounds in the maintenance of health [...]

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