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Uterine Natural Killer Cells
Conclusions In both mouse and human, uNK cells are the most prominent immune cells that occupy the maternal-fetal interface. The uNK cells appear to engage and establish complex interactions with the surrounding tissue, which impact their function. As more cell subsets are identified within the heterogeneous uNK cell population, it is anticipated that their functional heterogeneity will extend beyond vascular modification, growth-promotion and memory generation. Author Contributions DS wrote the manuscript. LY provided the micrographs and WY edited the manuscript. Funding Work in the Yokoyama lab on uterine NK cells i...
Source: Frontiers in Immunology - April 30, 2019 Category: Allergy & Immunology Source Type: research

Hepatic Natural Killer Cells: Organ-Specific Sentinels of Liver Immune Homeostasis and Physiopathology
Joanna Mikulak1,2, Elena Bruni1,2, Ferdinando Oriolo1,2, Clara Di Vito1 and Domenico Mavilio1,2* 1Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Milan, Italy 2Department of Medical Biotechnologies and Translational Medicine, University of Milan, Milan, Italy The liver is considered a preferential tissue for NK cells residency. In humans, almost 50% of all intrahepatic lymphocytes are NK cells that are strongly imprinted in a liver-specific manner and show a broad spectrum of cellular heterogeneity. Hepatic NK (he-NK) cells play key roles in tuning liver immune response in b...
Source: Frontiers in Immunology - April 29, 2019 Category: Allergy & Immunology Source Type: research

Metabolic Control of Dendritic Cell Functions: Digesting Information
In conclusion, a delicate balance of the complex system of nutrient sensing and mTOR (mTORC1) signaling is crucial to ensure appropriate development of DCs (23). Strikingly, loss of both mTOR complexes results in opposite effects on in vivo DC development compared with loss of mTORC1 alone, probably indicating differential inhibition of mTOR downstream targets and collaboration of mTOR complexes. Indeed, DC loss upon TSC1 deficiency is accompanied by increased DC apoptosis and enhanced metabolic activity due to TSC1-dependent inhibition of Myc, an effector downstream of mTOR (Figure 1), and reversed upon Myc loss (35). Of ...
Source: Frontiers in Immunology - April 24, 2019 Category: Allergy & Immunology Source Type: research

The Emerging Epigenetic Role of CD8+T Cells in Autoimmune Diseases: A Systematic Review
The Emerging Epigenetic Role of CD8+T Cells in Autoimmune Diseases: A Systematic Review Qiancheng Deng1, Yangyang Luo1,2, Christopher Chang3, Haijing Wu1, Yan Ding4* and Rong Xiao1* 1Hunan Key Laboratory of Medical Epigenetics, Department of Dermatology, The Second Xiangya Hospital, Central South University, Changsha, China 2Department of Dermatology, Hunan Children's Hospital, Changsha, China 3Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, Davis, CA, United States 4Department of Dermatology, Hainan Provincial Dermatology Disease Hospital, Haikou, China A...
Source: Frontiers in Immunology - April 17, 2019 Category: Allergy & Immunology Source Type: research

Editorial: Shaping of Human Immune System and Metabolic Processes by Viruses and Microorganisms
Conclusions In conclusion, articles in this Research Topic made a very significant contribution to our understanding of the role played by environmental factors, dysbiotic conditions, and infections in triggering diseases. Since this is a rapidly expanding area of research, many other factors contributing to the onset of these diseases are not covered here. We are confident, however, that further studies will expand the list as well as bring a better understanding of mechanisms involved in the onset of autoimmune and autoinflammatory diseases. Author Contributions All authors listed have made a substantial, direct and i...
Source: Frontiers in Microbiology - April 16, 2019 Category: Microbiology Source Type: research

Plant-Derived Alkaloids: The Promising Disease-Modifying Agents for Inflammatory Bowel Disease
Conclusion This paper summarizes the current findings regarding the anti-colitis activity of plant-derived alkaloids and shows how these alkaloids exhibit significant and beneficial effects in alleviating colonic inflammation. These natural alkaloids are not only promising agents for IBD treatment but are also components for developing new wonder drugs. However, the underlying molecular mechanisms or toxicological evaluation of most plant-derived alkaloids still require much scientific research, and their actual efficacies for IBD patients have not been verified well in field research. Thus, further clinical trials to elu...
Source: Frontiers in Pharmacology - April 11, 2019 Category: Drugs & Pharmacology Source Type: research

How Common is α -1-Antitrypsin Deficiency?
Discussion α-1-Antitrypsin Deficiency (A1AT) is a common single-gene mutation disease that is homozygous recessive. The normal allele is called M and the most common abnormal allele is Z. There are other alleles though. The gene codes for one of the primary protease inhibitors in the serum, thus those who are homozygous for the Z gene are sometimes referred to as “PIZZ” or “PIZ.” α-1-Antitrypsin is found in all body tissues but is especially important in the serum and lung. As noted it is one of the primary neutrophil protease inhibitors in the serum, and acts to neutralize these enzymes...
Source: PediatricEducation.org - April 24, 2017 Category: Pediatrics Authors: pediatriceducationmin Tags: Uncategorized Source Type: news