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https://www.readbyqxmd.com/read/28646815/integrative-treatment-of-chronic-abdominal-bloating-and-pain-associated-with-overgrowth-of-small-intestinal-bacteria-a-case-report
#1
Laura Kwiatkowski, Elizabeth Rice, Jeffrey Langland
Context • Small intestinal bacterial overgrowth (SIBO) is commonly defined as an increased number of bacteria and/or an abnormal type of bacteria in the small intestine. Conventional treatment for SIBO is typically focused on antibiotics to eradicate the bacterial overgrowth. Numerous studies have demonstrated the antimicrobial activity of herbs, and a diet low in fermentable oligo-, di-, and monosaccharides and polyols (FODMAPs) has been shown to enhance antibiotic therapy. Objective • The current case study intended to evaluate the benefits of an alternative, multifaceted approach-including botanical and homeopathic therapies in conjunction with a low-FODMAP diet-in the treatment of SIBO and its associated symptoms...
July 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28644919/signaling-and-epigenetic-mechanisms-of-intestinal-stem-cells-and-progenitors-insight-into-crypt-homeostasis-plasticity-and-niches
#2
REVIEW
Ryan J Smith, Abilasha Rao-Bhatia, Tae-Hee Kim
The rapid turnover of intestinal epithelial cells is maintained by a small number of stem cells located in pocket-like gland structures called crypts. While our understanding of the identity and function of intestinal stem cells (ISCs) has rapidly progressed, epigenetic and transcriptional regulation in crypt stem cell and progenitor pools remains an active field of investigation. Surrounded by various types of cells in the stroma, crypt progenitors display high levels of plasticity, harboring the ability to interconvert in the face of epithelial damage...
June 23, 2017: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/28644861/impact-of-ki67-re-assessment-at-time-of-disease-progression-in-patients-with-pancreatic-neuroendocrine-neoplasms
#3
Francesco Panzuto, Noemi Cicchese, Stefano Partelli, Maria Rinzivillo, Gabriele Capurso, Elettra Merola, Marco Manzoni, Eugenio Pucci, Elsa Iannicelli, Emanuela Pilozzi, Michele Rossi, Claudio Doglioni, Massimo Falconi, Gianfranco Delle Fave
BACKGROUND: Although re-assessment of proliferative activity by K67 evaluation during the course of neuroendocrine neoplasms (NENs) is recommended in selected patients, its impact on patients' management is not clear due to the lack of data supporting this practice. AIM: To investigate Ki67 change at time of progressive disease (PD) in entero-pancreatic NENs (EP-NENs). PATIENTS AND METHODS: Retrospective analysis of sporadic EP-NENs which received histological re-assessment after PD once radiologically documented...
2017: PloS One
https://www.readbyqxmd.com/read/28644080/determination-of-gastrointestinal-transit-times-in-barred-owls-strix-varia-by-contrast-fluoroscopy
#4
Grayson A Doss, Jackie M Williams, Christoph Mans
Contrast imaging studies are routinely performed in avian patients when an underlying abnormality of the gastrointestinal (GI) tract is suspected. Fluoroscopy offers several advantages over traditional radiography and can be performed in conscious animals with minimal stress and restraint. Although birds of prey are commonly encountered as patients, little is known about GI transit times and contrast imaging studies in these species, especially owls. Owls are commonly encountered in zoological, educational, and wildlife settings...
June 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28642847/heat-labile-enterotoxin-induced-perk-chop-pathway-activation-causes-intestinal-epithelial-cell-apoptosis
#5
Xi Lu, Chunmeng Li, Congcong Li, Pengcheng Li, Enqing Fu, Yonghong Xie, Faguang Jin
Enterotoxigenic Escherichia coli (ETEC) is a leading cause of diarrhea among children and travelers in developing countries, and heat-labile enterotoxin (LT) is one of the most important virulence factors. The pathogenesis of and virulence factors associated with ETEC have been well-characterized; however, the extent to which ETEC damages host cells remains unclear. In this study, we found that LT could induce decreases in intestinal epithelial cell viability and induce apoptosis in a dose- and time- dependent manner in both HCT-8 and Caco-2 cells...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28642759/biodistribution-and-efficacy-of-human-adipose-derived-mesenchymal-stem-cells-following-intranodal-administration-in-experimental-colitis
#6
Mercedes Lopez-Santalla, Pablo Mancheño-Corvo, Amelia Escolano, Ramon Menta, Olga DelaRosa, Jose Luis Abad, Dirk Büscher, Juan M Redondo, Juan A Bueren, Wilfried Dalemans, Eleuterio Lombardo, Marina I Garin
Mesenchymal stem cells (MSCs) have a large potential in cell therapy for treatment of inflammatory and autoimmune diseases, thanks to their immunomodulatory properties. The encouraging results in animal models have initiated the translation of MSC therapy to clinical trials. In cell therapy protocols with MSCs, administered intravenously, several studies have shown that a small proportion of infused MSCs can traffic to the draining lymph nodes (LNs). This is accompanied with an increase of different types of regulatory immune cells in the LNs, suggesting the importance of migration of MSCs to the LNs in order to contribute to immunomodulatory response...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28642706/toll-like-receptor-4-modulates-small-intestine-neuromuscular-function-through-nitrergic-and-purinergic-pathways
#7
Valentina Caputi, Ilaria Marsilio, Silvia Cerantola, Mona Roozfarakh, Isabella Lante, Francesca Galuppini, Massimo Rugge, Eleonora Napoli, Cecilia Giulivi, Genny Orso, Maria Cecilia Giron
Objective: Toll-like receptors (TLRs) play a pivotal role in the homeostatic microflora-host crosstalk. TLR4-mediated modulation of both motility and enteric neuronal survival has been reported mainly for colon with limited information on the role of TLR4 in tuning structural and functional integrity of enteric nervous system (ENS) and in controlling small bowel motility. Methods: Male TLR4 knockout (TLR4(-/-), 9 ± 1 weeks old) and sex- and age-matched wild-type (WT) C57BL/6J mice were used for the experiments...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28641950/cholinergic-signaling-plasticity-maintains-viscerosensory-responses-during-aspiculuris-tetraptera-infection-in-mice-small-intestine
#8
Egina C Villalobos-Hernández, Carlos Barajas-López, Elizabeth A Martínez-Salazar, Roberto C Salgado-Delgado, Marcela Miranda-Morales
Intestinal parasites alter gastrointestinal (GI) functions like the cholinergic function. Aspiculuris tetraptera is a pinworm frequently observed in laboratory facilities, which infests the mice cecum and proximal colon. However, little is known about the impact of this infection on the GI sensitivity. Here, we investigated possible changes in spontaneous mesenteric nerve activity and on the mechanosensitivity function of worm-free regions of naturally infected mice with A. tetraptera. Infection increased the basal firing of mesenteric afferent nerves in jejunum...
June 3, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28641661/-clinical-and-pathologic-features-of-myeloid-sarcoma
#9
Ya-Jun Jiang, Hong-Xia Wang, Wan-Chuan Zhuang, Hao Chen, Chang Zhang, Xiu-Mei Li, Gui-Hua Zhu, Yao He
OBJECTIVE: To explore the clinicopathologic features, differential diagnosis and therapy of myeloid sarcoma. METHODS: The clinical data including clinical manifestations, laboratorial tests, histopathologicical examination, immunohistochemistry and clinical prognosis of 10 patients with myeloid sarcoma were analyzed retrospectively. Among 10 patients, 5 male and 5 female, aged 23 to 71 years old (median = 36 years). RESULTS: 2 cases of myeloid sarcoma were secondary from chronic myeloid leukemia, and 1 cases of myeloid sarcoma occurred after the allogeneic hematopoietic stem cell transplantation due to acute myeloid leukemia, and the others lacked the anamnesis of malignancies...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641471/evaluation-of-immunomodulatory-effects-of-zearalenone-in-mice
#10
Mohammad Rafiqul Islam, Jong Won Kim, Yoon-Seok Roh, Jong-Hoon Kim, Han Kang Min, Hyung-Joo Kwon, Chae Woong Lim, Bumseok Kim
Zearalenone (ZEA) is a non-steroidal estrogenic mycotoxin produced by Fusarium species. The toxicity of ZEA has been evaluated for reproductive and developmental effects; however, there is little evidence about its acute toxicity or general immunotoxicity. In the present study, immune regulatory functions were investigated in mice that had been exposed to ZEA (5 or 20 mg/kg BW) daily for 14 days. Results showed that sub-populations of CD4(+), CD8(+) and CD11c(+) cells in the spleen and CD4(+), CD8(+) and F4/80(+) cells in the mesenteric lymph nodes (MLN) of ZEA (20 mg/kg)-exposed hosts were decreased compared to those in the control mice...
December 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/28640441/adipose-tissue-derived-omentin-1-function-and-regulation
#11
Takuya Watanabe, Kaho Watanabe-Kominato, Yui Takahashi, Miho Kojima, Rena Watanabe
Omentin-1, also known as intelectin-1, is a recently identified novel adipocytokine of 313 amino acids, which is expressed in visceral (omental and epicardial) fat as well as mesothelial cells, vascular cells, airway goblet cells, small intestine, colon, ovary, and plasma. The level of omentin-1 expression in (pre)adipocytes is decreased by glucose/insulin and stimulated by fibroblast growth factor-21 and dexamethasone. Several lines of experimental evidence have shown that omentin-1 plays crucial roles in the maintenance of body metabolism and insulin sensitivity, and has anti-inflammatory, anti-atherosclerotic, and cardiovascular protective effects via AMP-activated protein kinase/Akt/nuclear factor-κB/mitogen-activated protein kinase (ERK, JNK, and p38) signaling...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28639434/case-of-ileal-herniation-through-the-foramen-of-winslow-diagnosed-preoperatively-by-ct-and-treated-with-laparoscopic-surgery
#12
Yoshitoshi Ichikawa, Akifumi Kanazawa, Nobuhiro Dan, Satoshi Ishikawa, Takaomi Hagi, Gaku Mizojiri, Mituo Tsubakimoto, Hiroshi Oka
A previously healthy 35-year-old man visited the emergency room complaining of epigastric pain and vomiting. The pain was sudden in onset. His blood tests were within normal limits except for a mild neutrophilia of 14 300/μL. Enhanced abdominal CT scan showed the small intestine dilated into the space between the portal vein and inferior vena cava from the foramen of Winslow. Under the diagnosis of herniation through the foramen of Winslow (HFW), we performed emergency laparoscopic surgery. Laparoscopy revealed an internal herniation of the dilated small intestine through the foramen of Winslow...
June 22, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28638015/-microelemental-homeostasis-correction-of-and-oxidative-stress-in-patients-with-acute-intestinal-obstruction
#13
V D Scripko, A L Kovalenko, V A Zaplutonov
AIM: To improve the results of treatment of patients with acute small bowel obstruction. MATERIAL AND METHODS: The research is based on the results of a comprehensive survey 202 people with acute small bowel obstruction. Reamberin was used in 102 patients treatment. RESULTS: It was established that metalloenzymes take an active part in the formation of endotoxemia in people with acute small bowel obstruction. Also, in patients as a result of an imbalance between oxidant and antioxidant systems, accumulated a significant amount of lipid peroxidation products, along with it a decrease activity of enzymes of antioxidant system...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28637502/clinicopathologic-characteristics-and-prognosis-of-gastroenteropancreatic-neuroendocrine-neoplasms-a-multicenter-study-in-south-china
#14
Cheng Fang, Wei Wang, Yu Zhang, Xingyu Feng, Jian Sun, Yujie Zeng, Ye Chen, Yong Li, Minhu Chen, Zhiwei Zhou, Jie Chen
BACKGROUND: Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) are a heterogeneous group of rare tumors. Many issues in terms of epidemiologic features, pathogenesis, and treatment of GEP-NENs are still under discussion. Our study aimed to analyze the clinicopathologic characteristics and prognosis of Chinese patients with GEP-NENs. METHODS: Complete clinicopathologic data and survival information of 1183 patients with GEP-NENs treated between 2005 and 2015 were collected from five medical centers in Guangdong Province, China...
June 21, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28637475/uptake-of-label-free-graphene-oxide-by-caco-2-cells-is-dependent-on-the-cell-differentiation-status
#15
Melanie Kucki, Liliane Diener, Nils Bohmer, Cordula Hirsch, Harald F Krug, Vincenzo Palermo, Peter Wick
BACKGROUND: Understanding the interaction of graphene-related materials (GRM) with human cells is a key to the assessment of their potential risks for human health. There is a knowledge gap regarding the potential uptake of GRM by human intestinal cells after unintended ingestion. Therefore the aim of our study was to investigate the interaction of label-free graphene oxide (GO) with the intestinal cell line Caco-2 in vitro and to shed light on the influence of the cell phenotype given by the differentiation status on cellular uptake behaviour...
June 21, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28636801/water-channels-and-barriers-formed-by-claudins
#16
REVIEW
Rita Rosenthal, Dorothee Günzel, Dian Theune, Carolina Czichos, Jörg-Dieter Schulzke, Michael Fromm
Physiological studies in leaky epithelia, like kidney proximal tubules and the small intestine, have documented water transport via both transcellular and paracellular pathways. The discovery of aquaporin water channels provided a molecular basis for transcellular water movement. In contrast, the contribution, or even existence, of a specific paracellular water pathway has been disputed for a long time, until the cation channel-forming tight junction protein claudin-2 was shown to also permit the paracellular passage of water through its pore...
June 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28636623/the-basolateral-vesicle-sorting-machinery-and-basolateral-proteins-are-recruited-to-the-site-of-enteropathogenic-e-coli-microcolony-growth-at-the-apical-membrane
#17
Gitte A Pedersen, Helene H Jensen, Anne-Sofie B Schelde, Charlotte Toft, Hans N Pedersen, Maj Ulrichsen, Frédéric H Login, Manuel R Amieva, Lene N Nejsum
Foodborne Enteropathogenic Escherichia coli (EPEC) infections of the small intestine cause diarrhea especially in children and are a major cause of childhood death in developing countries. EPEC infects the apical membrane of the epithelium of the small intestine by attaching, effacing the microvilli under the bacteria and then forming microcolonies on the cell surface. We first asked the question where on epithelial cells EPEC attaches and grows. Using models of polarized epithelial monolayers, we evaluated the sites of initial EPEC attachment to the apical membrane and found that EPEC preferentially attached over the cell-cell junctions and formed microcolonies preferentially where three cells come together at tricellular tight junctions...
2017: PloS One
https://www.readbyqxmd.com/read/28636595/nlrp9b-inflammasome-restricts-rotavirus-infection-in-intestinal-epithelial-cells
#18
Shu Zhu, Siyuan Ding, Penghua Wang, Zheng Wei, Wen Pan, Noah W Palm, Yi Yang, Hua Yu, Hua-Bing Li, Geng Wang, Xuqiu Lei, Marcel R de Zoete, Jun Zhao, Yunjiang Zheng, Haiwei Chen, Yujiao Zhao, Kellie A Jurado, Ningguo Feng, Liang Shan, Yuval Kluger, Jun Lu, Clara Abraham, Erol Fikrig, Harry B Greenberg, Richard A Flavell
Rotavirus, a leading cause of severe gastroenteritis and diarrhoea in young children, accounts for around 215,000 deaths annually worldwide. Rotavirus specifically infects the intestinal epithelial cells in the host small intestine and has evolved strategies to antagonize interferon and NF-κB signalling, raising the question as to whether other host factors participate in antiviral responses in intestinal mucosa. The mechanism by which enteric viruses are sensed and restricted in vivo, especially by NOD-like receptor (NLR) inflammasomes, is largely unknown...
June 21, 2017: Nature
https://www.readbyqxmd.com/read/28634819/establishment-of-a-tagged-variant-of-lgr4-receptor-suitable-for-functional-and-expression-studies-in-the-mouse
#19
Vitezslav Kriz, Michaela Krausova, Petra Buresova, Jan Dobes, Dusan Hrckulak, Olga Babosova, Jiri Svec, Vladimir Korinek
Leucine-rich repeat-containing G-protein-coupled receptor 4 (LGR4) is produced in a broad spectrum of mouse embryonic and adult tissues and its deficiency results in embryonal or perinatal lethality. The LGR4 function was mainly related to its potentiation of canonical Wnt signaling; however, several recent studies associate LGR4 with additional signaling pathways. To obtain a suitable tool for studying the signaling properties of Lgr4, we generated a tagged variant of the Lgr4 receptor using gene targeting in the mouse oocyte...
June 20, 2017: Transgenic Research
https://www.readbyqxmd.com/read/28634689/survival-intestinal-mucosa-adhesion-and-immunomodulatory-potential-of-lactobacillus-plantarum-strains
#20
Valentini Santarmaki, Yiannis Kourkoutas, Georgia Zoumpopoulou, Eleni Mavrogonatou, Mikis Kiourtzidis, Nikos Chorianopoulos, Chrysoula Tassou, Effie Tsakalidou, Constantinos Simopoulos, Petros Ypsilantis
Survival during transit through the gastrointestinal track, intestinal mucosa adhesion, and a potential immunomodulatory effect of Lactobacillus plantarum strains 2035 and ACA-DC 2640 were investigated in a rat model. According to microbiological and multiplex PCR analysis, both strains were detected in feces 24 h after either single-dose or daily administration for 7 days. Intestinal mucosa adhesion of L. plantarum 2035 was noted in the large intestine at 24 h after single-dose administration, while it was not detected at 48 h...
June 21, 2017: Current Microbiology
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