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Showing 1-30 of 86 results for "46944" within Papers
Lingyan Ma et al.
Gut microbes, 12(1), 1-19 (2020-11-06)
Obesity is associated with impaired intestinal barrier function and dysbiosis of the gut microbiota. Spermidine, a polyamine that acts as an autophagy inducer, has important benefits in patients with aging-associated diseases and metabolic dysfunction. However, the mechanism of spermidine on
Yujie Shen et al.
American journal of physiology. Gastrointestinal and liver physiology, 312(2), G123-G132 (2016-12-17)
Inflammatory bowel diseases (IBDs) are chronic, inflammatory disorders of the gastrointestinal tract with unclear etiologies. Intestinal epithelial cells (IECs), containing crypt and villus enterocytes, occupy a critical position in the pathogenesis of IBDs and are a major producer of immunoregulatory
Ying Li et al.
Microbiome, 8(1), 120-120 (2020-08-21)
Autism spectrum disorder (ASD) is a developmental disorder, and the effective pharmacological treatments for the core autistic symptoms are currently limited. Increasing evidence, particularly that from clinical studies on ASD patients, suggests a functional link between the gut microbiota and
Liang Hong et al.
Frontiers in microbiology, 12, 715241-715241 (2021-09-04)
A new formulation, nanoprebiotics [e.g., phthalyl pullulan nanoparticles (PPNs)], was demonstrated to enhance the antimicrobial activity of probiotics [e.g., Lactobacillus plantarum (LP)] in vitro through intracellular stimulation better than that by backbone prebiotics, which are commonly used. In this study
Christine A Olson et al.
Cell, 173(7), 1728-1741 (2018-05-29)
The ketogenic diet (KD) is used to treat refractory epilepsy, but the mechanisms underlying its neuroprotective effects remain unclear. Here, we show that the gut microbiota is altered by the KD and required for protection against acute electrically induced seizures
Development of a novel self-microemulsifying drug delivery system for reducing HIV protease inhibitor-induced intestinal epithelial barrier dysfunction.
Lei B, Zha W, Wang Y, Wen C, et al.
Molecular Pharmacology, 7, 844-853 (2010)
Ana Santos Cravo et al.
Tissue barriers, 3(3), e1037948-e1037948 (2015-10-10)
External adherens junction-based cell-cell contacts involving E-cadherin interactions function to sense planar cell status and modulate epithelial cell proliferation through Hippo (Hpo) and non-canonical Wnt pathways signaling. We hypothesized these regulatory processes should also be sensitive to a similar cell-cell
Hu Huang et al.
PloS one, 6(6), e21411-e21411 (2011-07-07)
VEGFR1 and 2 signaling have both been increasingly shown to mediate complications of ischemic retinopathies, including retinopathy of prematurity (ROP), age-related macular degeneration (AMD), and diabetic retinopathy (DR). This study evaluates the effects of blocking VEGFR1 and 2 on pathological
Yun Teng et al.
Cell host & microbe, 24(5), 637-652 (2018-11-20)
The gut microbiota can be altered by dietary interventions to prevent and treat various diseases. However, the mechanisms by which food products modulate commensals remain largely unknown. We demonstrate that plant-derived exosome-like nanoparticles (ELNs) are taken up by the gut
Yongjae Jo et al.
Nature communications, 9(1), 4577-4577 (2018-11-06)
Fluorescent optical probes have rapidly transformed our understanding of complex biological systems by providing specific information on biological targets in the natural living state. However, their utility is often limited by insufficient brightness, photostability, and multiplexing capacity. Here, we report
Deepika Sharma et al.
Gastroenterology, 154(4), 948-964 (2017-12-06)
Inflammatory bowel diseases (IBD) increase risk for colorectal cancer. Mutations in the Mediterranean fever gene (MEFV or pyrin) are associated with hereditary autoinflammatory disease and severe IBD. Expression of MEFV, a sensor protein that the initiates assembly of the inflammasome complex
Joel W Blanchard et al.
Nature medicine, 26(6), 952-963 (2020-06-10)
In Alzheimer's disease, amyloid deposits along the brain vasculature lead to a condition known as cerebral amyloid angiopathy (CAA), which impairs blood-brain barrier (BBB) function and accelerates cognitive degeneration. Apolipoprotein (APOE4) is the strongest risk factor for CAA, yet the
Netusha Thevaranjan et al.
Cell host & microbe, 21(4), 455-466 (2017-04-14)
Levels of inflammatory mediators in circulation are known to increase with age, but the underlying cause of this age-associated inflammation is debated. We find that, when maintained under germ-free conditions, mice do not display an age-related increase in circulating pro-inflammatory
Injae Hwang et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 29(6), 2397-2411 (2015-02-26)
Firmicutes and Bacteroidetes, 2 major phyla of gut microbiota, are involved in lipid and bile acid metabolism to maintain systemic energy homeostasis in host. Recently, accumulating evidence has suggested that dietary changes promptly induce the alteration of abundance of both
Janelle M Veazey et al.
Frontiers in immunology, 11, 580401-580401 (2021-01-01)
Protein kinase D (PKD) is a serine/threonine kinase family that is involved in a wide array of signaling pathways. Although PKD has been implicated in immune responses, relatively little is known about the function of PKD in the lung or during
Chang-Lung Lee et al.
International journal of radiation oncology, biology, physics, 102(5), 1569-1576 (2018-07-30)
The delivery of radiation therapy to cure gastrointestinal (GI) cancers is often limited by normal tissue toxicity of the GI tract. Studies using genetically engineered mice have demonstrated an essential role of the cyclin-dependent kinase inhibitor p21 in protecting against
Akira Ikari et al.
Journal of cellular physiology, 226(6), 1471-1478 (2010-08-19)
Migration of renal epithelial cells increases after renal tubular damage, but its mechanism has not been clarified in detail. Hyperosmotic stress increased a cellular injury concomitant with a decrease in mRNA and protein expression of claudin-2 in renal tubular epithelial
Alice Cont et al.
eLife, 9 (2020-10-08)
During chronic infections and in microbiota, bacteria predominantly colonize their hosts as multicellular structures called biofilms. A common assumption is that biofilms exclusively interact with their hosts biochemically. However, the contributions of mechanics, while being central to the process of
Julia Y Co et al.
Nature protocols, 16(11), 5171-5192 (2021-10-20)
Human epithelial organoids-3D spheroids derived from adult tissue stem cells-enable investigation of epithelial physiology and disease and host interactions with microorganisms, viruses and bioactive molecules. One challenge in using organoids is the difficulty in accessing the apical, or luminal, surface
Yueyue Yu et al.
PloS one, 15(8), e0237182-e0237182 (2020-08-09)
Necrotizing enterocolitis is the most common gastrointestinal disorder in premature neonates. This disease is characterized by massive epithelial necrosis, gut barrier dysfunction and improper mucosal defense development. Studies have shown that probiotic administration can decrease NEC incidence and mortality. The
Woon-Ki Kim et al.
Gut microbes, 12(1), 1-14 (2020-10-06)
Administration of probiotics has been linked to immune regulation and changes in gut microbiota composition, with effects on atopic dermatitis (AD). In this study, we investigated amelioration of the symptoms of AD using Lactobacillus paracasei KBL382 isolated from the feces
Sandra Dittmar et al.
Journal of virology, 82(22), 11273-11282 (2008-09-05)
In order to analyze whether measles virus (MV) is transported via transmigrating leukocytes across endothelial barriers or whether virus spreads via infection of endothelial cells and basolateral release, we investigated the migratory behavior of infected human primary T lymphocytes across
Julia Y Co et al.
Cell reports, 26(9), 2509-2520 (2019-02-28)
Human enteroids-epithelial spheroids derived from primary gastrointestinal tissue-are a promising model to study pathogen-epithelial interactions. However, accessing the apical enteroid surface is challenging because it is enclosed within the spheroid. We developed a technique to reverse enteroid polarity such that the
Yong Pu et al.
Lab on a chip, 21(3), 546-557 (2020-11-10)
Placental trophoblast cells invasion into the maternal uterus is an essential and complex event in the formation of the maternal-fetal interface. Commonly used two-dimensional (2D) cell invasion tools do not accurately represent the in vivo cell invasion microenvironment. Three-dimensional (3D)
María Martínez-López et al.
Immunity, 50(2), 446-461 (2019-02-03)
Production of interleukin-17 (IL-17) and IL-22 by T helper 17 (Th17) cells and group 3 innate lymphoid cells (ILC3s) in response to the gut microbiota ensures maintenance of intestinal barrier function. Here, we examined the mechanisms whereby the immune system
Lanqing Sun et al.
Frontiers in cellular and infection microbiology, 10, 606541-606541 (2021-01-05)
Salmonella are common enteric bacterial pathogens that infect both humans and animals. Intestinal epithelial barrier, formed by a single layer of epithelial cells and apical junctional complex (AJC), plays a crucial role in host defense against enteric pathogens to prevent
Marianne R Spalinger et al.
Journal of Crohn's & colitis, 15(3), 471-484 (2020-09-11)
Loss-of-function variants in protein tyrosine phosphatase non-receptor type-2 [PTPN2] promote susceptibility to inflammatory bowel diseases [IBD]. PTPN2 regulates Janus-kinase [JAK] and signal transducer and activator of transcription [STAT] signalling, while protecting the intestinal epithelium from inflammation-induced barrier disruption. The pan-JAK
Chaithanya Chelakkot et al.
Experimental & molecular medicine, 50(2), e450-e450 (2018-02-24)
The gut microbiota has an important role in the gut barrier, inflammation and metabolic functions. Studies have identified a close association between the intestinal barrier and metabolic diseases, including obesity and type 2 diabetes (T2D). Recently, Akkermansia muciniphila has been
Yash A Choksi et al.
Mucosal immunology, 11(5), 1363-1374 (2018-06-17)
Blood vessel epicardial substance (BVES), or POPDC1, is a tight junction-associated transmembrane protein that modulates epithelial-to-mesenchymal transition (EMT) via junctional signaling pathways. There have been no in vivo studies investigating the role of BVES in colitis. We hypothesized that BVES
Logan Patterson et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 34(12), 15922-15945 (2020-10-14)
Enterotoxigenic Bacteroides fragilis (ETBF) is a commensal bacterium of great importance to human health due to its ability to induce colitis and cause colon tumor formation in mice through the production of B. fragilis toxin (BFT). The formation of tumors
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