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https://www.readbyqxmd.com/read/29149221/dietary-protein-sources-differentially-affect-microbiota-mtor-activity-and-transcription-of-mtor-signaling-pathways-in-the-small-intestine
#1
Soumya K Kar, Alfons J M Jansman, Nirupama Benis, Javier Ramiro-Garcia, Dirkjan Schokker, Leo Kruijt, Ellen H Stolte, Johanna J Taverne-Thiele, Mari A Smits, Jerry M Wells
Dietary protein sources can have profound effects on host-microbe interactions in the gut that are critically important for immune resilience. However more knowledge is needed to assess the impact of different protein sources on gut and animal health. Thirty-six wildtype male C57BL/6J mice of 35 d age (n = 6/group; mean ± SEM body weight 21.9 ± 0.25 g) were randomly assigned to groups fed for four weeks with semi synthetic diets prepared with one of the following protein sources containing (300 g/kg as fed basis): soybean meal (SBM), casein, partially delactosed whey powder, spray dried plasma protein, wheat gluten meal and yellow meal worm...
2017: PloS One
https://www.readbyqxmd.com/read/29145158/vibrio-cholerae-ompu-induces-il-8-expression-in-human-intestinal-epithelial-cells
#2
Jae Seung Yang, Jun Ho Jeon, Mi Seon Jang, Seok-Seong Kang, Ki Bum Ahn, Manki Song, Cheol-Heui Yun, Seung Hyun Han
Although Vibrio cholerae colonizes the small intestine and induces acute inflammatory responses, less is known about the molecular mechanisms of V. cholerae-induced inflammatory responses in the intestine. We recently reported that OmpU, one of the most abundant outer membrane proteins of V. cholerae, plays an important role in the innate immunity of the whole bacteria. In this study, we evaluated the role of OmpU in induction of IL-8, a representative chemokine that recruits various inflammatory immune cells, in the human intestinal epithelial cell (IEC) line, HT-29...
November 13, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/29144916/re-bicentric-prospective-evaluation-of-corporoplasty-with-porcine-small-intestinal-submucosa-sis-in-patients-with-severe-peyronie-s-disease
#3
Allen D Seftel
No abstract text is available yet for this article.
December 2017: Journal of Urology
https://www.readbyqxmd.com/read/29144463/a-single-cell-survey-of-the-small-intestinal-epithelium
#4
Adam L Haber, Moshe Biton, Noga Rogel, Rebecca H Herbst, Karthik Shekhar, Christopher Smillie, Grace Burgin, Toni M Delorey, Michael R Howitt, Yarden Katz, Itay Tirosh, Semir Beyaz, Danielle Dionne, Mei Zhang, Raktima Raychowdhury, Wendy S Garrett, Orit Rozenblatt-Rosen, Hai Ning Shi, Omer Yilmaz, Ramnik J Xavier, Aviv Regev
Intestinal epithelial cells absorb nutrients, respond to microbes, function as a barrier and help to coordinate immune responses. Here we report profiling of 53,193 individual epithelial cells from the small intestine and organoids of mice, which enabled the identification and characterization of previously unknown subtypes of intestinal epithelial cell and their gene signatures. We found unexpected diversity in hormone-secreting enteroendocrine cells and constructed the taxonomy of newly identified subtypes, and distinguished between two subtypes of tuft cell, one of which expresses the epithelial cytokine Tslp and the pan-immune marker CD45, which was not previously associated with non-haematopoietic cells...
November 16, 2017: Nature
https://www.readbyqxmd.com/read/29144212/morphological-and-molecular-characterization-of-two-new-species-of-andracantha-acanthocephala-polymorphidae-from-new-zealand-shags-phalacrocoracidae-and-penguins-spheniscidae-with-a-key-to-the-species
#5
B Presswell, M García-Varela, L R Smales
Two new species of Andracantha (Polymorphidae) are described from the intestine of the shags Leucocarbo chalconotus (Gray) and Phalacrocorax punctatus (Sparrman), and the penguin Eudyptula minor (Forster) from southern South Island, New Zealand. Andracantha leucocarboi n. sp. is distinguished from its congeners by having no genital or ventral trunk spines, but possessing a scattering of small spines between the anterior fields of spines. This is the first record of a species of Andracantha from a penguin. Circumbursal papillae are illustrated in a scanning electron micrograph for the first time in the polymorphids...
November 16, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/29143827/digestion-under-saliva-simulated-gastric-and-small-intestinal-conditions-and-fermentation-in-vitro-of-polysaccharides-from-the-flowers-of-camellia-sinensis-induced-by-human-gut-microbiota
#6
Dan Chen, Guijie Chen, Peng Wan, Bing Hu, Ligen Chen, Shiyi Ou, Xiaoxiong Zeng, Hong Ye
In the present study, digestion under saliva, simulated gastric and small intestinal conditions and fermentation in vitro of polysaccharides from the flowers of Camellia sinensis (TFPS) by human gut microbiota were investigated. The results indicated that human saliva and simulated gastric and intestinal juices had no effect on TFPS, while TFPS could be utilized by human fecal microbiota, which was proved from the decreased molecular weight and lower content of total or reducing sugars after fermentation under anaerobic conditions...
November 16, 2017: Food & Function
https://www.readbyqxmd.com/read/29143720/epidemiological-investigation-of-a-severe-rumen-fluke-outbreak-on-an-irish-dairy-farm
#7
James O'Shaughnessy, Andres Garcia-Campos, Conor G McAloon, Seamus Fagan, Theo de Waal, Maire McElroy, Micheal Casey, Barbara Good, Grace Mulcahy, John Fagan, Denise Murphy, Annetta Zintl
Although the rumen fluke, Calicophoron daubneyi is now very common and widespread throughout Western Europe, reports of clinical cases are still rare. This study explores the epidemiological background to a severe rumen fluke outbreak in 6-month-old heifers on a dairy farm in Ireland. Sequence analysis of the cytochrome oxidase subunit 1 (Cox1) gene of the rumen fluke metacercariae on pasture failed to identify predominant, possibly pathogenic subtypes. However, estimates of metacercarial load indicated that the animals were exposed to a daily dose of about 5334 C...
November 16, 2017: Parasitology
https://www.readbyqxmd.com/read/29143528/ellagitannins-from-strawberry-with-different-degree-of-polymerization-showed-different-metabolism-through-gastrointestinal-tract-of-rats
#8
Joanna Milala, Monika Kosmala, Elżbieta Karlińska, Jerzy Juskiewicz, Zenon Zdunczyk, Bartosz Fotschki
The present paper describes a comparative study of the metabolism of 1) ellagic acid, 2) monomeric ellagitannins - a mixture of α- and β-bis-hexahydroxydiphenoyl-D-glucose, and 3) dimeric ellagitannins - mainly agrimoniin with both glucose residues being esterified with hexahydroxydiphenoyl (HHDP), in rats fed polyphenol-rich diets. Their metabolites were identified and quantified in selected parts of the gastrointestinal tract i.e., the stomach, small intestine, and cecum on the 2nd, 4th, and 7th day of the experiment, as well as in the feces, blood serum, and urine of rats...
November 16, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29143340/k2p-task-2-and-kcnq1-kcne3-k-channels-are-major-players-contributing-to-intestinal-anion-and-fluid-secretion
#9
Francisca Julio-Kalajzić, Sandra Villanueva, Johanna Burgos, Margarita Ojeda, L Pablo Cid, Thomas J Jentsch, Francisco V Sepúlveda
Anion and fluid secretion across the intestinal epithelium, a process altered in cystic fibrosis and secretory diarrhoea, is mediated by cAMP-activated CFTR Cl(-) channels and requires the simultaneous activity of basolateral K(+) channels to maintain cellular ionic homeostasis and membrane potential. This function is fulfilled by the cAMP-activated K(+) channel formed by the association of pore-forming KCNQ1 with its obligatory KCNE3 β-subunit. Studies using mice show sizable cAMP-activated intestinal anion secretion in the absence of either KCNQ1 or KCNE3 suggesting that an alternative K(+) conductance must compensate for the loss of KCNQ1/KCNE3 activity...
November 16, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29142751/hepatic-epithelioid-hemangioendothelioma-with-metastasis-to-the-mesentery-of-the-small-intestine-a-case-report
#10
Daichi Nakamura, Yasushi Adachi, Yasuaki Nakashima, Noriko Sakaida, Hiroyuki Narahara, Ming Shi, Michihiko Tsubono, Susumu Ikehara
Epithelioid hemangioendothelioma (EHAE) is a vascular tumor which, due to its rarity, is often misdiagnosed as other hepatic tumors based on radiological characteristics. We herein report a case of EHAE in the liver and the mesentery of the small intestine. A 64-year-old asymptomatic woman was admitted to the hospital due to a hepatic tumor identified using computed tomography (CT). An enhanced CT scan revealed multiple tumors in the liver and a tumor in the mesentery. One of the hepatic tumors and the mesenteric tumor were resected and histologically examined...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29142523/steroid-refractory-extensive-enteritis-complicated-by-ulcerative-colitis-successfully-treated-with-adalimumab
#11
Shinji Okabayashi, Taku Kobayashi, Tomohisa Sujino, Ryo Ozaki, Satoko Umeda, Takahiko Toyonaga, Eiko Saito, Masaru Nakano, Maria Carla Tablante, Shojiroh Morinaga, Toshifumi Hibi
Extracolonic involvement of the gastrointestinal tract is extremely uncommon in ulcerative colitis (UC) and rarely found in the upper gastrointestinal tract or in postoperative cases since it typically responds to steroids. Here we report a case of UC complicated by extensive ileal inflammation that was refractory to steroids. A 20-year-old man was diagnosed with UC of typical pancolitis without ileal involvement and started treatment with pH-dependent mesalazine and oral prednisolone. Although his symptoms transiently resolved, the condition flared when the steroid dose was tapered down...
October 2017: Intestinal Research
https://www.readbyqxmd.com/read/29142520/predictive-factors-for-malignancy-in-undiagnosed-isolated-small-bowel-strictures
#12
Ujjwal Sonika, Sujeet Saha, Saurabh Kedia, Nihar Ranjan Dash, Sujoy Pal, Prasenjit Das, Vineet Ahuja, Peush Sahni
Background/Aims: Patients with small bowel strictures have varied etiologies, including malignancy. Little data are available on the demographic profiles and etiologies of small bowel strictures in patients who undergo surgery because of intestinal obstruction but do not have a definitive pre-operative diagnosis. Methods: Retrospective data were analyzed for all patients operated between January 2000 and October 2014 for small bowel strictures without mass lesions and a definite diagnosis after imaging and endoscopic examinations...
October 2017: Intestinal Research
https://www.readbyqxmd.com/read/29142168/background-data-on-nod-shi-scid-il-2r%C3%AE-null-mice-nog-mice
#13
Kenichiro Kasahara, Yachiyo Fukunaga, Saori Igura, Rie Andoh, Tsubasa Saito, Isamu Suzuki, Hiroyuki Kanemitsu, Daisuke Suzuki, Ken Goto, Daichi Nakamura, Masahiro Mochizuki, Masahiko Yasuda, Ryo Inoue, Kazutoshi Tamura, Mariko Nagatani
To obtain background data of NOD/Shi-scid IL-2Rγ(null) (NOG) mice, severely immunedeficient mice, a total of 120 animals were examined at 7, 26 and 52 weeks-old (20 mice/sex/group). The survival rate at 52 weeks-old was 95% (19/20) in both sexes. Clinically, circling behavior in one direction along the cage wall was observed in males after 8 weeks and females after 47 weeks-old, and hunchback position was found in males after 32 weeks-old. Hematologically, lymphocyte count markedly decreased at all ages, while white blood cell count increased in several mice at 52 weeks-old...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29141958/dna-methylation-defines-regional-identity-of-human-intestinal-epithelial-organoids-and-undergoes-dynamic-changes-during-development
#14
Judith Kraiczy, Komal M Nayak, Kate J Howell, Alexander Ross, Jessica Forbester, Camilla Salvestrini, Roxana Mustata, Sally Perkins, Amanda Andersson-Rolf, Esther Leenen, Anke Liebert, Ludovic Vallier, Philip C Rosenstiel, Oliver Stegle, Gordon Dougan, Robert Heuschkel, Bon-Kyoung Koo, Matthias Zilbauer
OBJECTIVE: Human intestinal epithelial organoids (IEOs) are increasingly being recognised as a highly promising translational research tool. However, our understanding of their epigenetic molecular characteristics and behaviour in culture remains limited. DESIGN: We performed genome-wide DNA methylation and transcriptomic profiling of human IEOs derived from paediatric/adult and fetal small and large bowel as well as matching purified human gut epithelium. Furthermore, organoids were subjected to in vitro differentiation and genome editing using CRISPR/Cas9 technology...
November 15, 2017: Gut
https://www.readbyqxmd.com/read/29141628/gene-expression-analyses-of-the-small-intestine-of-pigs-in-the-ex-evacuation-zone-of-the-fukushima-daiichi-nuclear-power-plant
#15
Motoko Morimoto, Ayaka Kato, Jin Kobayashi, Kei Okuda, Yoshikazu Kuwahara, Yasushi Kino, Yasuyuki Abe, Tsutomu Sekine, Tomokazu Fukuda, Emiko Isogai, Manabu Fukumoto
BACKGROUND: After the accident at the Fukushima Daiichi Nuclear Power Plant, radioactive contaminants were released over a widespread area. Monitoring the biological effects of radiation exposure in animals in the ex-evacuation zone should be continued to understand the health effects of radiation exposure in humans. The present study aimed to clarify the effects of radiation by investigating whether there is any alteration in the morphology and gene expressions of immune molecules in the intestine of pigs and inobuta (wild boar and domestic pig hybrid) in the ex-evacuation zone in 2012...
November 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29140712/high-expression-of-ugt1a1-1a6-in-monkey-small-intestine-comparison-of-protein-expression-levels-of-cytochromes-p450-udp-glucuronosyltransferases-and-transporters-in-small-intestine-of-cynomolgus-monkey-and-human
#16
Takanori Akazawa, Yasuo Uchida, Eisuke Miyauchi, Masanori Tachikawa, Sumio Ohtsuki, Tetsuya Terasaki
Cynomolgus monkeys have been widely used for the prediction of drug absorption in humans. The purpose of this study was to clarify the regional protein expression levels of cytochromes P450 (CYPs), UDP-glucuronosyltransferases (UGTs), and transporters in small intestine of cynomolgus monkey using liquid chromatography-tandem mass spectrometry, and to compare them with the corresponding levels in human. UGT1A1 in jejunum and ileum were >4.57- and >3.11-fold, and UGT1A6 in jejunum and ileum were >16...
November 15, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29139621/paneth-and-intestinal-stem-cells-preserve-their-functional-integrity-during-worsening-of-acute-cellular-rejection-in-small-bowel-transplantation
#17
M Pucci Molineris, V Gonzalez Polo, Federico Perez, D Ramisch, M Rumbo, G E Gondolesi, D Meier
Graft survival after small bowel transplantation remains impaired due to acute cellular rejection (ACR), the leading cause of graft loss. Although it was shown that the number of enteroendocrine progenitor cells in intestinal crypts was reduced during mild ACR, no results of Paneth and intestinal stem cells localized at the crypt bottom have been shown so far. Therefore, we wanted to elucidate integrity and functionality of the Paneth and stem cells during different degrees of ACR, and to assess whether these cells are the primary targets of the rejection process...
November 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29139480/position-paper-the-potential-role-of-optical-biopsy-in-the-study-and-diagnosis-of-environmental-enteric-dysfunction
#18
REVIEW
Alex J Thompson, Michael Hughes, Salzitsa Anastasova, Laurie S Conklin, Tudor Thomas, Cadman Leggett, William A Faubion, Thomas J Miller, Peter Delaney, François Lacombe, Sacha Loiseau, Alexander Meining, Rebecca Richards-Kortum, Guillermo J Tearney, Paul Kelly, Guang-Zhong Yang
Environmental enteric dysfunction (EED) is a disease of the small intestine affecting children and adults in low and middle income countries. Arising as a consequence of repeated infections, gut inflammation results in impaired intestinal absorptive and barrier function, leading to poor nutrient uptake and ultimately to stunting and other developmental limitations. Progress towards new biomarkers and interventions for EED is hampered by the practical and ethical difficulties of cross-validation with the gold standard of biopsy and histology...
November 15, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29138707/jejunojejunal-intussusception-due-to-metastatic-melanoma-seven-years-after-the-primer
#19
Alexander Giakoustidis, Thomas Goulopoulos, Anastasios Boutis, George Kavvadias, Aristidis Kainantidis, Thomas Zaraboukas, Dimitrios Giakoustidis
Intestinal intussusception in adults is a rare medical condition accounting for less than 5% of all intussusceptions. Herein we present a 45-year-old patient with a history of abdominal pain and loss of weight. CT scan revealed jejunojejunal intussusceptions. The patient was subjected to exploratory operation and small intestine resection due to a mass causing intestinal intussusception. Pathology confirmed suspected diagnosis of metastatic melanoma to small intestine secondary to melanoma, 7 years after the initial manifestation...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/29138668/-left-paraduodenal-hernia-a-rare-cause-of-bowel-obstruction
#20
Mohammed Alila, Abdelouahab Marouni, Imane Toughrai
We here report two cases of acute bowel obstruction. Emergency intervention showed left obstructive paraduodenal hernia causing volvulus with necrosis of the incarcerated intestinal loops in one patient who underwent one-time anastomosis resection and suffering but viable small bowel in the second patient treated by incarcerated intestinal loop reduction and obturation of the orifice of the hernial canal. We here highlight the diagnostic and therapeutic features of this rare condition.
2017: Pan African Medical Journal
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