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https://www.readbyqxmd.com/read/28738330/the-brain-gut-axis-contributes-to-neuroprogression-in-stress-related-disorders
#1
Kieran Rea, Timothy G Dinan, John F Cryan
There is a growing emphasis on the relationship between the complexity and diversity of the microorganisms that inhabit our gut (human gastrointestinal microbiota) and brain health. The microbiota-gut-brain axis is a dynamic matrix of tissues and organs including the brain, glands, gut, immune cells, and gastrointestinal microbiota that communicate in a complex multidirectional manner to maintain homeostasis. Changes in this environment may contribute to the neuroprogression of stress-related disorders by altering physiological processes including hypothalamic-pituitary-adrenal axis activation, neurotransmitter systems, immune function, and inflammatory responses...
July 24, 2017: Modern Trends in Pharmacopsychiatry
https://www.readbyqxmd.com/read/28738246/crocin-modulates-il-4-il-13-signaling-and-ameliorates-experimentally-induced-allergic-airway-asthma-in-a-murine-model
#2
Haidy Yosri, Wagdi F Elkashef, Eman Said, Nariman M Gameil
Allergic asthma is a chronic respiratory disease with a prevalent T helper (Th2)-mediated immune reaction. Crocin, the major bioactive constituent of saffron, has been reported in multiple studies to have numerous pharmacological activities, including prominent anti-oxidant activities. In the current study, the anti-asthmatic potential of crocin was evaluated. Adult male Swiss Albino mice were administered 10mg of ovalbumin (OVA) mixed with 1mg of aluminum hydroxide intraperitoneally on days 0 and 7 and were administered crocin (25mg/kg) orally daily for 16days...
July 21, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28738171/emerging-roles-for-tfeb-in-the-immune-response-and-inflammation
#3
Owen A Brady, José A Martina, Rosa Puertollano
Inflammation is a central feature of an effective immune response, which functions to eliminate pathogens and other foreign material, and promote recovery; however, dysregulation of the inflammatory response is associated with a wide variety of disease states. The autophagy-lysosome pathway is one of 2 major degradative pathways used by the cell and serves to eliminate long-lived and dysfunctional proteins and organelles to maintain homeostasis. Mounting evidence implicates the autophagy-lysosome pathway as a key player in regulating the inflammatory response; hence many inflammatory diseases may fundamentally be diseases of autophagy-lysosome pathway dysfunction...
July 24, 2017: Autophagy
https://www.readbyqxmd.com/read/28737738/the-innate-immune-receptor-nlrp12-maintains-intestinal-homeostasis-by-regulating-microbiome-diversity
#4
Jenny Moi-Fong Lau, Yvonne Dombrowski
No abstract text is available yet for this article.
July 24, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28736792/double-injected-human-stem-cells-enhance-rehabilitation-in-tbi-mice-via-modulation-of-survival-and-inflammation
#5
Chul Kim, Ji-Min Park, TaeHo Kong, Seungmin Lee, Ki-Weon Seo, Yuri Choi, Young Sook Song, Jisook Moon
Traumatic brain injury (TBI), a complicated form of brain damage, is a major cause of mortality in adults. Following mechanical and structural primary insults, a battery of secondary insults, including neurotransmitter-mediated cytotoxicity, dysregulation of calcium and macromolecule homeostasis, and increased oxidative stress, exacerbate brain injury and functional deficits. Although stem cell therapy is considered to be an alternative treatment for brain injuries, such as TBI and stroke, many obstacles remain...
July 24, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28736551/differential-phenotypes-of-myeloid-derived-suppressor-and-t-regulatory-cells-and-cytokine-levels-in-amnestic-mild-cognitive-impairment-subjects-compared-to-mild-alzheimer-diseased-patients
#6
Aurélie Le Page, Hugo Garneau, Gilles Dupuis, Eric H Frost, Anis Larbi, Jacek M Witkowski, Graham Pawelec, Tamàs Fülöp
Alzheimer disease (AD) is the most prevalent form of dementia although the underlying cause(s) remains unknown at this time. However, neuroinflammation is believed to play an important role and suspected contributing immune parameters can be revealed in studies comparing patients at the stage of amnestic mild cognitive impairment (aMCI) to healthy age-matched individuals. A network of immune regulatory cells including regulatory T cells (Tregs) and myeloid-derived suppressor cells (MDSCs) maintains immune homeostasis but there are very few data on the role of these cells in AD...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28736524/immune-and-metabolic-regulation-mechanism-of-dangguiliuhuang-decoction-against-insulin-resistance-and-hepatic-steatosis
#7
Hui Cao, Lingling Tuo, Yali Tuo, Ziyun Xia, Rong Fu, Yang Liu, Yihong Quan, Jue Liu, Zhihong Yu, Ming Xiang
Dangguiliuhuang decoction (DGLHD) is a traditional Chinese medicine (TCM) formula, which mainly consists of angelica, radix rehmanniae, radix rehmanniae praeparata, scutellaria baicalensis, coptis chinensis, astragalus membranaceus, and golden cypress, and used for the treatment of diabetes and some autoimmune diseases. In this study, we explored the potential mechanism of DGLHD against insulin resistance and fatty liver in vivo and in vitro. Our data revealed that DGLHD normalized glucose and insulin level, increased the expression of adiponectin, diminished fat accumulation and lipogenesis, and promoted glucose uptake...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28734635/programmed-cell-death-and-inflammation-winter-is-coming
#8
REVIEW
Joseph P Kolb, Thomas H Oguin, Andrew Oberst, Jennifer Martinez
The life of an organism requires the assistance of an unlikely process: programmed cell death. Both development and the maintenance of homeostasis result in the production of superfluous cells that must eventually be disposed of. Furthermore, programmed cell death can also represent a defense mechanism; for example, by depriving pathogens of a replication niche. The responsibility of handling these dead cells falls on phagocytes of the immune system, which surveil their surroundings for dying or dead cells and efficiently clear them in a quiescent manner...
July 19, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28734136/the-good-and-bad-of-targeting-cancer-associated-extracellular-matrix
#9
REVIEW
Sabina Sangaletti, Claudia Chiodoni, Claudio Tripodo, Mario P Colombo
The maintenance of tissue homeostasis requires extracellular matrix (ECM) remodeling. Immune cells actively participate in regenerating damaged tissues contributing to ECM deposition and shaping. Dysregulated ECM deposition characterizes fibrotic diseases and cancer stromatogenesis, where a chronic inflammatory state sustains the ECM increase. In cancer, the ECM fosters several steps of tumor progression, providing pro-survival and proliferative signals, promoting tumor cell dissemination via collagen fibers or acting as a barrier to impede drug diffusion...
July 19, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28732571/examining-the-gut-bacteriome-virome-and-mycobiome-in-glucose-metabolism-disorders-are-we-on-the-right-track
#10
REVIEW
Charikleia Stefanaki, Melpomeni Peppa, George Mastorakos, George P Chrousos
Human gut microbiome is defined as the gene complement of the gut microbial community, measured via laboratory metagenomic techniques. It includes bacteriome, virome and mycobiome, which represent, respectively, the assemblages of bacteria, viruses and fungi, living in the human gut. Gut microbiota function as a living "organ" that interacts with the gastro-intestinal environment, provides nutrients and vitamins to the organism and transduces hormonal messages, essentially influencing the main metabolic pathways, including drug metabolism...
August 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28732506/new-insights-into-blimp-1-in-t-lymphocytes-a-divergent-regulator-of-cell-destiny-and-effector-function
#11
REVIEW
Shin-Huei Fu, Li-Tzu Yeh, Chin-Chen Chu, B Lin-Ju Yen, Huey-Kang Sytwu
B lymphocyte-induced maturation protein-1 (Blimp-1) serves as a master regulator of the development and function of antibody-producing B cells. Given that its function in T lymphocytes has been identified within the past decade, we review recent findings with emphasis on its role in coordinated control of gene expression during the development, differentiation, and function of T cells. Expression of Blimp-1 is mainly confined to activated T cells and is essential for the production of interleukin (IL)-10 by a subset of forkhead box (Fox)p3(+) regulatory T cells with an effector phenotype...
July 21, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28732007/a-data-driven-modeling-approach-to-identify-disease-specific-multi-organ-networks-driving-physiological-dysregulation
#12
Warren D Anderson, Danielle DeCicco, James S Schwaber, Rajanikanth Vadigepalli
Multiple physiological systems interact throughout the development of a complex disease. Knowledge of the dynamics and connectivity of interactions across physiological systems could facilitate the prevention or mitigation of organ damage underlying complex diseases, many of which are currently refractory to available therapeutics (e.g., hypertension). We studied the regulatory interactions operating within and across organs throughout disease development by integrating in vivo analysis of gene expression dynamics with a reverse engineering approach to infer data-driven dynamic network models of multi-organ gene regulatory influences...
July 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28730545/platelet-first-responders-in-wound-response-cancer-and-metastasis
#13
REVIEW
David G Menter, Scott Kopetz, Ernest Hawk, Anil K Sood, Jonathan M Loree, Paolo Gresele, Kenneth V Honn
Platelets serve as "first responders" during normal wounding and homeostasis. Arising from bone marrow stem cell lineage megakaryocytes, anucleate platelets can influence inflammation and immune regulation. Biophysically, platelets are optimized due to size and discoid morphology to distribute near vessel walls, monitor vascular integrity, and initiate quick responses to vascular lesions. Adhesion receptors linked to a highly reactive filopodia-generating cytoskeleton maximizes their vascular surface contact allowing rapid response capabilities...
July 20, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28729512/hydraulic-control-of-tuna-fins-a-role-for-the-lymphatic-system-in-vertebrate-locomotion
#14
Vadim Pavlov, Benyamin Rosental, Nathaniel F Hansen, Jody M Beers, George Parish, Ian Rowbotham, Barbara A Block
The lymphatic system in teleost fish has genetic and developmental origins similar to those of the mammalian lymphatic system, which is involved in immune response and fluid homeostasis. Here, we show that the lymphatic system of tunas functions in swimming hydrodynamics. Specifically, a musculo-vascular complex, consisting of fin muscles, bones, and lymphatic vessels, is involved in the hydraulic control of median fins. This specialization of the lymphatic system is associated with fish in the family Scombridae and may have evolved in response to the demand for swimming and maneuvering control in these high-performance species...
July 21, 2017: Science
https://www.readbyqxmd.com/read/28729290/choroidal-%C3%AE-%C3%AE-t-cells-in-protection-against-retinal-pigment-epithelium-and-retinal-injury
#15
Zhenyang Zhao, Yuejin Liang, Yin Liu, Pei Xu, Miles J Flamme-Wiese, Deming Sun, Jiaren Sun, Robert F Mullins, Yan Chen, Jiyang Cai
γδ T cells located near the epithelial barrier are integral components of local inflammatory and innate immune responses. We have previously reported the presence of choroidal γδ T cells in a model of chronic degeneration of the retinal pigment epithelium (RPE). The goals of the current study were to further define the functions of choroidal γδ T cells and to explore the underlying mechanisms of their action. Our data demonstrate that choroidal γδ T cells are activated by RPE injury in response to NaIO3 treatment, and that they express genes that encode immunosuppressive cytokines, such as IL-4 and IL-10...
July 20, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28728884/glucocorticoid-programming-of-neuroimmune-function
#16
REVIEW
David J Walker, Karen A Spencer
Throughout life physiological systems strive to maintain homeostasis and these systems are susceptible to exposure to maternal or environmental perturbations, particularly during embryonic development. In some cases, these perturbations may influence genetic and physiological processes that permanently alter the functioning of these physiological systems; a process known as developmental programming. In recent years, the neuroimmune system has garnered attention for its fundamental interactions with key hormonal systems, such as the hypothalamic pituitary adrenal (HPA) axis...
July 17, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28727010/effect-of-experimentally-increased-protein-supply-to-postpartum-dairy-cows-on-plasma-protein-synthesis-rumen-tissue-proliferation-and-immune-homeostasis
#17
M Larsen, C M Røntved, P K Theil, M Khatun, C Lauridsen, N B Kristensen
The effect of experimentally increasing the postpartum protein supply on plasma protein synthesis, rumen tissue proliferation, and immune homeostasis was studied using 8 periparturient Holstein cows in a complete randomized design. At calving, cows were assigned to abomasal infusion of water (CTRL) or casein (CAS) in addition to a lactation diet. Casein infusion was gradually decreased from 696 ± 1 g/d at +2 d relative to calving (DRTC) to 212 ± 10 g/d at +29 DRTC to avoid excessive supply. Synthesis rate of plasma proteins was measured at -14, +4, +15, and +29 DRTC by measuring [C]Phe isotopic enrichment in arterial plasma free Phe, total plasma proteins, and albumin after 3, 5, and 7 h of jugular ring[C]Phe infusion...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726085/micrornas-in-mucosal-inflammation
#18
REVIEW
Viola Neudecker, Xiaoyi Yuan, Jessica L Bowser, Holger K Eltzschig
Of the total human body's surface, the majority is internal surface, belonging to the lungs (100 m(2)) and intestinal tract (400 m(2)). In comparison, the external surface area, belonging to the skin, comprises less than 1% (2 m(2)). Continuous exposure of the mucosal surface to external factors (e.g., pathogens, food particles) requires tight regulation to maintain homeostasis. MicroRNAs (miRNAs) have gained noticeable attention as playing important roles in maintaining the steady-state of tissues by modulating immune functions and inflammatory responses...
July 20, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28724326/sting-signalling-an-emerging-common-pathway-in-autoimmunity-and-cancer
#19
David McCaffary
The equipoise between the disease states of cancer and autoinflammation has perhaps been underappreciated in clinical practice and biomedical research. However, since the discover of STING (stimulator of interferon genes) as an integral regulator of innate immunity, a wealth of information has implicated this signaling pathway in both of these diseases. Under cellular homeostasis, STING serves to detect - and promote immune defense against - DNA viruses and intracellular bacteria, as described in its initial discovery...
July 20, 2017: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/28723693/upregulation-of-microrna-876-induces-endothelial-cell-apoptosis-by-suppressing-bcl-xl-in-development-of-atherosclerosis
#20
Kaicheng Xu, Peng Liu, Yue Zhao
BACKGROUND/AIMS: The injury and apoptotic cell death of endothelial cells hallmark the development of atherosclerosis (AS), characterized by dysregulation of lipid homeostasis, immune responses, and formation of coronary plaques. However, the mechanisms underlying the initiation of endothelial cell apoptosis remain ill-defined. Recent evidence suggests a role of microRNAs in the processes of AS-associated endothelial cell apoptosis. Thus, we studied this question in the current study...
July 19, 2017: Cellular Physiology and Biochemistry
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