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https://www.readbyqxmd.com/read/28524801/association-of-ugt2b7-ugt1a9-abcg2-and-il23r-polymorphisms-with-rejection-risk-in-kidney-transplant-patients
#1
Heloísa Lizotti Cilião, Rossana Batista Oliveira Camargo-Godoy, Marilesia Ferreira de Souza, Mariana Bisarro Dos Reis, Lorena Iastrenski, Vinicius Daher Alvares Delfino, Silvia Regina Rogatto, Ilce Mara de Syllos Cólus
Despite advances in testing compatibility between donor and recipient, graft rejection remains a current concern. Single-nucleotide polymorphisms (SNPs) that codify altered enzymes of metabolism, drug transport, and the immune system may contribute to graft rejection in transplant patients. This study examined the association between SNPs present in genes of these processes and occurrence of graft rejection episodes in 246 kidney transplant patients, 35% of which were diagnosed with rejection. Genotype-gene expression associations were also assessed...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28523126/transforming-growth-factor-%C3%AE-a-master-regulator-of-the-gut-microbiota-and-immune-cell-interactions
#2
REVIEW
David Bauché, Julien C Marie
The relationship between host organisms and their microbiota has co-evolved towards an inter-dependent network of mutualistic interactions. This interplay is particularly well studied in the gastrointestinal tract, where microbiota and host immune cells can modulate each other directly, as well as indirectly, through the production and release of chemical molecules and signals. In this review, we define the functional impact of transforming growth factor-beta (TGF-β) on this complex interplay, especially through its modulation of the activity of local regulatory T cells (Tregs), type 17 helper (Th17) cells, innate lymphoid cells (ILCs) and B cells...
April 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28515406/innate-lymphoid-cell-ilc-3
#3
(no author information available yet)
No abstract text is available yet for this article.
2017: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/28515074/immune-checkpoints-on-innate-lymphoid-cells
#4
Laura Chiossone, Eric Vivier
In this issue of JEM, Taylor et al. (https://doi.org/10.1084/jem.20161653) describe PD-1 as a critical negative regulator of group 2 innate lymphoid cells (ILC-2s). PD-1 intrinsically controls proliferation and cytokine production of both mouse and human ILC-2s. PD-1 signaling inhibits STAT5 phosphorylation and the removal of this brake by knocking down PD-1 expression or by using anti-PD-1 blocking antibodies, translated in vivo into better clearance of helminth worm infection in mice.
May 17, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28514688/the-e-id-protein-axis-specifies-adaptive-lymphoid-cell-identity-and-suppresses-thymic-innate-lymphoid-cell-development
#5
Masaki Miyazaki, Kazuko Miyazaki, Kenian Chen, Yi Jin, Jacob Turner, Amanda J Moore, Rintaro Saito, Kenichi Yoshida, Seishi Ogawa, Hans-Reimer Rodewald, Yin C Lin, Hiroshi Kawamoto, Cornelis Murre
Innate and adaptive lymphoid development is orchestrated by the activities of E proteins and their antagonist Id proteins, but how these factors regulate early T cell progenitor (ETP) and innate lymphoid cell (ILC) development remains unclear. Using multiple genetic strategies, we demonstrated that E proteins E2A and HEB acted in synergy in the thymus to establish T cell identity and to suppress the aberrant development of ILCs, including ILC2s and lymphoid-tissue-inducer-like cells. E2A and HEB orchestrated T cell fate and suppressed the ILC transcription signature by activating the expression of genes associated with Notch receptors, T cell receptor (TCR) assembly, and TCR-mediated signaling...
May 16, 2017: Immunity
https://www.readbyqxmd.com/read/28514662/a-murine-intestinal-intraepithelial-nkp46-negative-innate-lymphoid-cell-population-characterized-by-group-1-properties
#6
Aline Van Acker, Konrad Gronke, Aindrila Biswas, Liesbet Martens, Yvan Saeys, Jessica Filtjens, Sylvie Taveirne, Els Van Ammel, Tessa Kerre, Patrick Matthys, Tom Taghon, Bart Vandekerckhove, Jean Plum, Ildiko Rita Dunay, Andreas Diefenbach, Georges Leclercq
The Ly49E receptor is preferentially expressed on murine innate-like lymphocytes, such as epidermal Vγ3 T cells, intestinal intraepithelial CD8αα(+) T lymphocytes, and CD49a(+) liver natural killer (NK) cells. As the latter have recently been shown to be distinct from conventional NK cells and have innate lymphoid cell type 1 (ILC1) properties, we investigated Ly49E expression on intestinal ILC populations. Here, we show that Ly49E expression is very low on known ILC populations, but it can be used to define a previously unrecognized intraepithelial innate lymphoid population...
May 16, 2017: Cell Reports
https://www.readbyqxmd.com/read/28513593/jak3-deficiency-blocks-innate-lymphoid-cell-development
#7
M L Robinette, M Cella, J B Telliez, T K Ulland, A D Barrow, K Capuder, S Gilfillan, L-L Lin, L D Notarangelo, M Colonna
Loss-of-function mutations in the tyrosine kinase JAK3 cause autosomal recessive severe combined immunodeficiency (SCID). Defects in this form of SCID are restricted to the immune system, which led to the development of immunosuppressive JAK inhibitors. We find that the B6.Cg-Nr1d1(tm1Ven)/LazJ mouse line purchased from Jackson Laboratories harbors a spontaneous mutation in Jak3, generating a SCID phenotype and an inability to generate antigen-independent professional cytokine-producing innate lymphoid cells (ILCs)...
May 17, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28511289/human-enthesis-group-3-innate-lymphoid-cells
#8
Richard J Cuthbert, Evangelos M Fragkakis, Robert Dunsmuir, Zhi Li, Mark Coles, Helena Marzo-Ortega, Peter Giannoudis, Elena Jones, Yasser M El-Sherbiny, Dennis McGonagle
Objective Group 3 innate lymphoid cells (ILC3s) play a pivotal role in barrier tissues such as the gut and the skin, two important sites of disease in spondyloarthropathy (SpA). It was investigated whether normal and injured human enthesis, the key target tissue in early SpA, harboured ILC3s in entheseal soft tissue (EST) and adjacent peri-entheseal bone (PEB). Methods Interspinous ligament and spinous process bone was collected from donors with no systemic inflammatory disease, enzymatically digested and immunophenotyped...
May 16, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28505204/compartment-specific-distribution-of-human-intestinal-innate-lymphoid-cells-is-altered-in-hiv-patients-under-effective-therapy
#9
Benjamin Krämer, Felix Goeser, Philipp Lutz, Andreas Glässner, Christoph Boesecke, Carolynne Schwarze-Zander, Dominik Kaczmarek, Hans Dieter Nischalke, Vittorio Branchi, Steffen Manekeller, Robert Hüneburg, Tobias van Bremen, Tobias Weismüller, Christian P Strassburg, Jürgen K Rockstroh, Ulrich Spengler, Jacob Nattermann
Innate lymphocyte cells (ILCs), a novel family of innate immune cells are considered to function as key orchestrators of immune defences at mucosal surfaces and to be crucial for maintaining an intact intestinal barrier. Accordingly, first data suggest depletion of ILCs to be involved in human immunodeficiency virus (HIV)-associated damage of the intestinal mucosa and subsequent microbial translocation. However, although ILCs are preferentially localized at mucosal surfaces, only little is known regarding distribution and function of ILCs in the human gastrointestinal tract...
May 15, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28504838/human-innate-lymphoid-cells-ilcs-in-filarial-infections
#10
Sandra Bonne-Année, Thomas B Nutman
Filarial infections are characteristically chronic and can cause debilitating diseases governed by parasite-induced innate and adaptive immune responses. Filarial parasites traverse or establish niches in the skin (migrating infective larvae), in non-mucosal tissues (adult parasite niche) and in the blood or skin (circulating microfilariae) where they intersect with the host immune response. While several studies have demonstrated that filarial parasites and their antigens can modulate myeloid cells (monocyte, macrophage, and dendritic cell subsets), T- and B-lymphocytes and skin resident cell populations the role of innate lymphoid cells during filarial infections has only recently emerged...
May 15, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28500986/intradermal-invasive-lobular-carcinoma-presenting-not-everything-in-the-skin-is-benign
#11
Jennifer Wells Eaton, Michele B Drotman, Rachel M Sales, Elizabeth Kagan Arleo
In this case report, the history and imaging of two patients with invasive lobular carcinoma (ILC) in the skin are presented, followed by a discussion of both benign and malignant intradermal findings on breast ultrasound. Although the majority of dermal findings are benign, these cases are a reminder that malignancy can manifest within the skin. The purpose of presenting these cases together is to remind breast imagers of the importance of considering malignancy in the differential diagnosis of intradermal lesions on breast ultrasound, especially in special circumstances such as a personal history of breast cancer or associated clinical findings...
May 5, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28497916/emerging-endotypes-of-chronic-rhinosinusitis-and-its-application-to-precision-medicine
#12
REVIEW
Dae Woo Kim, Seong H Cho
Chronic rhinosinusitis (CRS) is a heterogeneous inflammatory disease with various underlying pathophysiologic mechanisms which translate to endotypes, in contrast to clinical phenotypes or histological subtypes. Defining endotypes can help clinicians predict disease prognosis, select subjects suitable for a specific therapy, and assess risks for comorbid conditions, including asthma. Therefore, with recent advancement of biologicals in CRS clinical trials, endotyping can be a breakthrough in treating recalcitrant CRS...
July 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28490441/pd-1-regulates-klrg1-group-2-innate-lymphoid-cells
#13
Samuel Taylor, Yuefeng Huang, Grace Mallett, Chaido Stathopoulou, Tania C Felizardo, Ming-An Sun, Evelyn L Martin, Nathaniel Zhu, Emma L Woodward, Martina S Elias, Jonathan Scott, Nick J Reynolds, William E Paul, Daniel H Fowler, Shoba Amarnath
Group 2 innate lymphoid cells (ILC-2s) regulate immune responses to pathogens and maintain tissue homeostasis in response to cytokines. Positive regulation of ILC-2s through ICOS has been recently elucidated. We demonstrate here that PD-1 is an important negative regulator of KLRG1(+) ILC-2 function in both mice and humans. Increase in KLRG1(+) ILC-2 cell numbers was attributed to an intrinsic defect in PD-1 signaling, which resulted in enhanced STAT5 activation. During Nippostrongylus brasiliensis infection, a significant expansion of KLRG1(+) ILC-2 subsets occurred in Pdcd1(-/-) mice and, upon adoptive transfer, Pdcd1(-/-) KLRG1(+) ILC-2s significantly reduced worm burden...
May 10, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28488693/icos-protects-against-mortality-from-acute-lung-injury-through-activation-of-il-5-ilc2s
#14
C L Hrusch, S T Manns, D Bryazka, J Casaos, C A Bonham, M R Jaffery, K M Blaine, K A M Mills, P A Verhoef, A O Adegunsoye, J W Williams, M Y Tjota, T V Moore, M E Strek, I Noth, A I Sperling
Idiopathic pulmonary fibrosis (IPF) is a progressive lung disease causing irreversible lung scarring and loss of pulmonary function. IPF Patients suffer from a high rate of pulmonary infections and acute exacerbations of disease that further contribute to pulmonary decline. Low expression of the inducible T-cell costimulatory molecule (ICOS) in peripheral blood mononuclear cells predicts decreased survival of IPF patients, but the mechanisms by which ICOS protects are unclear. Using a model of bleomycin-induced lung injury and fibrosis, we now demonstrate that ICOS expression enhances survival from lung injury rather than regulating fibrogenesis...
May 10, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28485520/murine-thymic-nk-cells-a-case-of-identity
#15
Victoria Male, Hugh J M Brady
Just over a decade ago, it was established that NK cells in the thymus do not follow precisely the same developmental pathway as conventional NK cells that develop in the bone marrow. Subsequently, it has emerged that NK cells are one branch of a family of innate lymphoid cells (ILCs). ILC1s and thymic NK cells have, however, sufficient similarities such that questions have been raised about how distinctive each cell type is from the other. In this issue of European Journal of Immunology, Gabrielli et al. [Eur...
May 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28480349/complement-factor-p-is-a-ligand-for-the-natural-killer-cell-activating-receptor-nkp46
#16
Emilie Narni-Mancinelli, Laurent Gauthier, Myriam Baratin, Sophie Guia, Aurore Fenis, Ala-Eddine Deghmane, Benjamin Rossi, Patrick Fourquet, Bertrand Escalière, Yann M Kerdiles, Sophie Ugolini, Muhamed-Kheir Taha, Eric Vivier
Innate lymphoid cells (ILCs) are involved in immune responses to microbes and various stressed cells, such as tumor cells. They include group 1 [such as natural killer (NK) cells and ILC1], group 2, and group 3 ILCs. Besides their capacity to respond to cytokines, ILCs detect their targets through a series of cell surface-activating receptors recognizing microbial and nonmicrobial ligands. The nature of some of these ligands remains unclear, limiting our understanding of ILC biology. We focused on NKp46, which is highly conserved in mammals and expressed by all mature NK cells and subsets of ILC1 and ILC3...
April 28, 2017: Science Immunology
https://www.readbyqxmd.com/read/28479212/innate-lymphoid-cell-derived-cytokines-in-autoimmune-diseases
#17
REVIEW
Sirui Li, Di Yang, Tingwei Peng, Yuzhang Wu, Zhiqiang Tian, Bing Ni
The most recently recognized types of immune cells, the innate lymphoid cells (ILCs), have been sub-divided according to respective distinct expression profiles of regulatory factors or/and cytokines. ILCs have also been shown to participate in a variety of beneficial immune responses, including participation in attack against pathogens and mediation of the pre-inflammatory and inflammatory responses through their production of pro-inflammatory cytokines. As such, while the ILCs exert protective effects they may also become detrimental upon dysregulation...
May 5, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28477190/il-9-production-by-nonconventional-t-helper-cells
#18
Silvia C P Almeida, Luis Graca
IL-9 is a pro-inflammatory cytokine implicated in certain immune-mediated diseases where chronic or acute inflammation of the mucosa plays an important role. Although initially described as being produced by what was then thought to be Th2 cells, it was later described that specialized lymphocyte populations are involved in IL-9 production. In addition to the classical Th9 effector (subset of CD4+ T cells), IL-9 is also produced by nonconventional lymphocytes, namely invariant natural killer T (iNKT) cells and innate lymphoid cells (ILCs)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28474861/group-2-innate-lymphoid-cells-are-elevated-and-activated-in-chronic-rhinosinusitis-with-nasal-polyps
#19
Julie A Poposki, Aiko I Klingler, Bruce K Tan, Pejman Soroosh, Homayon Banie, Gavin Lewis, Kathryn E Hulse, Whitney W Stevens, Anju T Peters, Leslie C Grammer, Robert P Schleimer, Kevin C Welch, Stephanie S Smith, David B Conley, Joseph R Raviv, James G Karras, Omid Akbari, Robert C Kern, Atsushi Kato
BACKGROUND: Chronic rhinosinusitis (CRS) with nasal polyps (CRSwNP) is characterized by type 2 inflammation with high levels of Th2 cytokines. Although T helper cytokines are released from T cells, innate lymphoid cells (ILC) are also known to produce high levels of the same cytokines. However, the presence of various types of ILC in CRS is poorly understood. OBJECTIVE: The objective of this study was to fully characterize the presence of all ILC subsets in CRS and to identify phenotypical differences of group 2 ILC (ILC2) in CRSwNP compared to ILC2 from non-type 2 inflamed areas...
April 19, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28456464/laryngeal-closure-during-swallowing-in-stroke-survivors-with-cortical-or-subcortical-lesion
#20
Taeok Park, Youngsun Kim, Byung-Mo Oh
BACKGROUND: One of the major, and most harmful, symptoms of dysphagia in stroke survivors is aspiration. Survivors of unilateral cortical strokes with dysphagia and resulting aspiration have been reported to have greater initiation delays in laryngeal closure than those who did not aspirate. Few studies have reported such data in survivors of subcortical stroke. METHODS: This study measured initiation of laryngeal closure (ILC) and laryngeal closure duration (LCD) in 2 groups of subjects: 15 stroke survivors with cortical lesions and 15 stroke survivors with subcortical lesions...
April 26, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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