Results 71 to 80 of about 196,268 (297)

Tilivalline- and Tilimycin-Independent Effects of Klebsiella oxytoca on Tight Junction-Mediated Intestinal Barrier Impairment [PDF]

, 2019
Klebsiella oxytoca causes antibiotic-associated hemorrhagic colitis and diarrhea. This was attributed largely to its secreted cytotoxins tilivalline and tilimycin, inductors of epithelial apoptosis.
Bücker, Roland, Fromm, Anja, Fromm, Michael, Gorkiewicz, Gregor, Hering, Nina A., Högenauer, Christoph, Schulzke, Jörg-Dieter, Troeger, Hanno, Zechner, Ellen   +8 more
core   +1 more source

The early life microbiota protects neonatal mice from pathological small intestinal epithelial cell shedding [PDF]

, 2020
The early life gut microbiota plays a crucial role in regulating and maintaining the intestinal barrier, with disturbances in these communities linked to dysregulated renewal and replenishment of intestinal epithelial cells.
Alastair J. M. Watson, Cristina Alcon‐Giner, d'Hennezel E, Federico Bernuzzi, Gwénaëlle Le Gall, Hedblom GA, Kevin R. Hughes, Lindsay J. Hall, Lisa Chalklen, Matthew J. Dalby, Potten CS, Selma‐Royo M, Shabhonam Caim, Weiser MM, Zoe Schofield   +14 more
core   +1 more source

Intestinal Epithelial Barrier Dysfunction in Crohn's Disease

Experimental Biology and Medicine, 1997
Despite extensive research, the etiology of Crohn's disease remains unknown. Accumulating evidence suggests the possibility that a primary defect of intestinal barrier function may be present in Crohn's disease. In this review, the possible role of intestinal barrier defect in Crohn's disease is discussed.
openaire   +2 more sources

RIPK4 function interferes with melanoma cell adhesion and metastasis

Molecular Oncology, EarlyView.
RIPK4 promotes melanoma growth and spread. RIPK4 levels increase as skin lesions progress to melanoma. CRISPR/Cas9‐mediated deletion of RIPK4 causes melanoma cells to form less compact spheroids, reduces their migratory and invasive abilities and limits tumour growth and dissemination in mouse models.
Norbert Wronski, Sławomir Lasota, Ewelina Madej, Anna A. Brożyna, Małgorzata Szczygieł, Agnieszka Harazin‐Lechowska, Jan Czerbniak, Janusz Rys, Jaroslaw Czyz, Agnieszka Wolnicka‐Glubisz   +9 more
wiley   +1 more source

Protects Porcine Intestinal Barrier from Deoxynivalenol via Improved Zonula Occludens-1 Expression [PDF]

Asian-Australasian Journal of Animal Sciences, 2014
Intestinal epithelial cells (IECs) forming the barrier for the first-line of protection are interconnected by tight junction (TJ) proteins. TJ alteration results in impaired barrier function, which causes potentially excessive inflammation leading to ...
Min Jeong Gu, Sun Kwang Song, Sung Moo Park, In Kyu Lee, Cheol-Heui Yun   +4 more
doaj   +1 more source

Applying the adverse outcome pathway (AOP) for food sensitization to support in vitro testing strategies [PDF]

, 2019
Background Before introducing proteins from new or alternative dietary sources into the market, a compressive risk assessment including food allergic sensitization should be carried out in order to ensure their safety.
Benedé, Sara, Bouchaud, Grégory, Costa, Ana, Denery-Papini, Sandra, Díaz-Perales, Araceli, E.M. Willemsen, Linette, Garrido-Arandia, María, Gavrovic-Jankulovic, Marija, H.M. van Bilsen, Jolanda, Hayen, Simone, L. Bavaro, Simona, L. Roggen, Erwin, Lozano-Ojalvo, Daniel, M. Antunes, Célia, Wróblewska, Mónica   +14 more
core   +1 more source

Metformin promotes mitochondrial integrity through AMPK‐signaling in Leber's hereditary optic neuropathy

FEBS Open Bio, EarlyView.
Metformin mediates mitochondrial quality control in Leber's hereditary optic neuropathy (LHON) fibroblasts carrying mtDNA mutations. At therapeutic levels, metformin activates AMPK signaling to restore mitochondrial dynamics by promoting fusion and restraining fission, while preserving mitochondrial mass, enhancing autophagy/mitophagy and biogenesis ...
Chatnapa Panusatid, Rapasviranda Soiyangsuk, Maneeluck Tanadjindarat, Chayanon Peerapittayamongkol   +3 more
wiley   +1 more source

Probiotic bacteria Bifidobacterium bifidum upregulation of intestinal epithelial tight junction barrier is mediated by TLR-2/TLR-6 receptor complex activation of occludin gene

npj Biofilms and Microbiomes
Defective intestinal epithelial tight junction (TJ) barrier is a key pathogenic factor of inflammatory bowel disease (IBD). Probiotic bacterial upregulation of intestinal TJ barrier has been shown to prevent the development of intestinal inflammation ...
Raz Abdulqadir, Rana Al-Sadi, Yash Gupta, Manmeet Rawat, Thomas Ma   +4 more
doaj   +1 more source

Curcumin Mitigates Immune-Induced Epithelial Barrier Dysfunction by Campylobacter jejuni [PDF]

, 2019
Campylobacter jejuni (C. jejuni) is the most common cause of foodborne gastroenteritis worldwide. The bacteria induce diarrhea and inflammation by invading the intestinal epithelium. Curcumin is a natural polyphenol from turmeric rhizome of Curcuma longa,
Bereswill, Stefan, Butkevych, Eduard, Bücker, Roland, Fromm, Anja, Golz, Julia C., Heimesaat, Markus M., Kehrenberg, Corinna, Kittler, Sophie, Lobo de Sá, Fábia Daniela, Moos, Verena, Mousavi, Soraya, Nattramilarasu, Praveen Kumar, Schulzke, Jörg-Dieter, Seinige, Diana, Stingl, Kerstin   +14 more
core   +1 more source

Natural Products as Geroprotective Modulators in Diabetic Nephropathy: A Mechanistic Framework Integrating Aging Hallmarks and the AMPK–SIRT1–Nrf2 Axis

Aging and Cancer, EarlyView.
Natural products target the aging kidney in diabetic nephropathy by restoring the AMPK–SIRT1–Nrf2 axis, reducing oxidative stress, inflammation, fibrosis, and cellular senescence while enhancing mitochondrial biogenesis and antioxidant defenses.
Sherif Hamidu, Latif Adams, Eunice Ampem‐Danso, Justice Kumi, Abigail Aning, Fatima Hamidu, Mustapha Abdul Mumin Mohammed, Ayuba Nii Darku Ankrah, Seth Kwabena Amponsah   +8 more
wiley   +1 more source