Academic literature on the topic 'Intestinal absorption'

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Journal articles on the topic "Intestinal absorption"

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Fuqua, Brie K., Christopher D. Vulpe, and Gregory J. Anderson. "Intestinal iron absorption." Journal of Trace Elements in Medicine and Biology 26, no. 2-3 (June 2012): 115–19. http://dx.doi.org/10.1016/j.jtemb.2012.03.015.

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Kockx, Maaike, and Leonard Kritharides. "Intestinal cholesterol absorption." Current Opinion in Lipidology 29, no. 6 (December 2018): 484–85. http://dx.doi.org/10.1097/mol.0000000000000558.

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Iqbal, Jahangir, and M. Mahmood Hussain. "Intestinal lipid absorption." American Journal of Physiology-Endocrinology and Metabolism 296, no. 6 (June 2009): E1183—E1194. http://dx.doi.org/10.1152/ajpendo.90899.2008.

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Our knowledge of the uptake and transport of dietary fat and fat-soluble vitamins has advanced considerably. Researchers have identified several new mechanisms by which lipids are taken up by enterocytes and packaged as chylomicrons for export into the lymphatic system or clarified the actions of mechanisms previously known to participate in these processes. Fatty acids are taken up by enterocytes involving protein-mediated as well as protein-independent processes. Net cholesterol uptake depends on the competing activities of NPC1L1, ABCG5, and ABCG8 present in the apical membrane. We have considerably more detailed information about the uptake of products of lipid hydrolysis, the active transport systems by which they reach the endoplasmic reticulum, the mechanisms by which they are resynthesized into neutral lipids and utilized within the endoplasmic reticulum to form lipoproteins, and the mechanisms by which lipoproteins are secreted from the basolateral side of the enterocyte. apoB and MTP are known to be central to the efficient assembly and secretion of lipoproteins. In recent studies, investigators found that cholesterol, phospholipids, and vitamin E can also be secreted from enterocytes as components of high-density apoB-free/apoAI-containing lipoproteins. Several of these advances will probably be investigated further for their potential as targets for the development of drugs that can suppress cholesterol absorption, thereby reducing the risk of hypercholesterolemia and cardiovascular disease.
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Dawson, Paul A., and Lawrence L. Rudel. "Intestinal cholesterol absorption." Current Opinion in Lipidology 10, no. 4 (August 1999): 315–20. http://dx.doi.org/10.1097/00041433-199908000-00005.

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Granger, D. N., R. J. Korthuis, P. R. Kvietys, and P. Tso. "Intestinal microvascular exchange during lipid absorption." American Journal of Physiology-Gastrointestinal and Liver Physiology 255, no. 5 (November 1, 1988): G690—G695. http://dx.doi.org/10.1152/ajpgi.1988.255.5.g690.

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The forces and membrane coefficients governing transcapillary and lymphatic fluid fluxes were measured in the cat jejunum before and during perfusion of the gut lumen with oleic acid (5 mM) solubilized with taurocholic acid (10 mM). Net transmucosal fluid flux, lymph flow, capillary pressure (Pc), blood flow, capillary filtration coefficient (Kf,c), and lymph and plasma oncotic pressures were measured under absorptive and nonabsorptive conditions. Interstitial fluid pressure was calculated for the two conditions from measured parameters. Stimulation of lipid absorption resulted in a fivefold increase in lymph flow, a threefold increase in Kf,c, a doubling of blood flow, a 2.5 mmHg increase in Pc, and a 1.0 mmHg reduction in interstitial (lymph) oncotic pressure. Lipid absorption was associated with a 3.6 mmHg increase in interstitial fluid pressure. During lipid absorption, approximately 35% of the absorbed fluid is removed from the mucosal interstitium by lymphatics while capillaries remove the remaining 65%. The results of this study indicate that the effects of lipid absorption on microvascular and lymphatic fluid dynamics are quantitatively different than those produced by glucose absorption. These differences can be largely explained by lipid absorption-induced increases in blood flow and microvascular permeability.
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Ji, Yong, Xiaoming Li, and Patrick Tso. "Intestinal Fatty acid Absorption." Immunology‚ Endocrine & Metabolic Agents in Medicinal Chemistry 9, no. 1 (March 1, 2009): 60–73. http://dx.doi.org/10.2174/187152209788009832.

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Nakamura, Tsutomu, Motohiro Yamamori, and Toshiyuki Sakaeda. "Pharmacogenetics of Intestinal Absorption." Current Drug Delivery 5, no. 3 (July 1, 2008): 153–69. http://dx.doi.org/10.2174/156720108784911749.

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Said, Hamid M., and Chandira Kumar. "Intestinal absorption of vitamins." Current Opinion in Gastroenterology 15, no. 2 (March 1999): 172. http://dx.doi.org/10.1097/00001574-199903000-00015.

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Lewis, Stephen J., Robert E. Oakey, and Kenneth W. Heaton. "Intestinal absorption of oestrogen." European Journal of Gastroenterology & Hepatology 10, no. 1 (January 1998): 33–40. http://dx.doi.org/10.1097/00042737-199801000-00007.

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Ferraris, Ronaldo P., Jun-yong Choe, and Chirag R. Patel. "Intestinal Absorption of Fructose." Annual Review of Nutrition 38, no. 1 (August 21, 2018): 41–67. http://dx.doi.org/10.1146/annurev-nutr-082117-051707.

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Increased understanding of fructose metabolism, which begins with uptake via the intestine, is important because fructose now constitutes a physiologically significant portion of human diets and is associated with increased incidence of certain cancers and metabolic diseases. New insights in our knowledge of intestinal fructose absorption mediated by the facilitative glucose transporter GLUT5 in the apical membrane and by GLUT2 in the basolateral membrane are reviewed. We begin with studies related to structure as well as ligand binding, then revisit the controversial proposition that apical GLUT2 is the main mediator of intestinal fructose absorption. The review then describes how dietary fructose may be sensed by intestinal cells to affect the expression and activity of transporters and fructolytic enzymes, to interact with the transport of certain minerals and electrolytes, and to regulate portal and peripheral fructosemia and glycemia. Finally, it discusses the potential contributions of dietary fructose to gastrointestinal diseases and to the gut microbiome.
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Dissertations / Theses on the topic "Intestinal absorption"

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Morgan, Emma Louise. "Intestinal glucose and calcium absorption." Thesis, University of York, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.424573.

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Patel, Raj B., and Raj B. Patel. "Prediction of Human Intestinal Absorption." Diss., The University of Arizona, 2017. http://hdl.handle.net/10150/624487.

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The proposed human intestinal absorption prediction model is applied to over 900 pharmaceuticals and has about 82.5% true prediction power. This study will provide a screening tool that can differentiate well absorbed and poorly absorbed drugs in the early stage of drug discovery and development. This model is based on fundamental physicochemical properties and can be applied to virtual compounds. The maximum well-absorbed dose (i.e., the maximum dose that will be more than 50 percent absorbed) calculated using this model can be utilized as a guideline for drug design, synthesis, and pre-clinical studies.
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Ashiru, Diane A. I. "Modulating Intestinal Absorption Using Pharmaceutical Excipients." Thesis, University College London (University of London), 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509950.

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Wheeler, Sarah. "Enhancement of intestinal absorption of peptides." Thesis, University of Glasgow, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394924.

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Lundin, Pål. "Intestinal permeability a parameter of mucosal dysfunction /." Lund : Dept. of Animal Physiology, Lund University, 1997. http://books.google.com/books?id=wuNqAAAAMAAJ.

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Glover, Chris. "Physiological characterisation of piscine intestinal zinc absorption." Thesis, King's College London (University of London), 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272327.

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Wang, Chuan. "Pathologically and experimentally induced intestinal barrier changes evaluated by permeability measurements." Lund : Dept. of Animal Physiology, Lund University, 1995. http://books.google.com/books?id=ddlqAAAAMAAJ.

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Thiesen, Aducio Leonel. "Glucocorticosteroid effects on the intestinal absorption of nutrients." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq28993.pdf.

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Lord, Andrew P. D. "Intestinal absorption of [beta]-casomorphins in newborn animals /." Title page, contents and summary only, 1986. http://web4.library.adelaide.edu.au/theses/09SB/09sbl866.pdf.

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Balakrishnan, Anita. "Regulation of the diurnal rhythmicity of intestinal absorption." Thesis, University of Liverpool, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.539749.

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Books on the topic "Intestinal absorption"

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Bumstead, Sarah Jane. Intestinal paracellular drug absorption. Manchester: University of Manchester, 1993.

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Arnis, Kuksis, ed. Fat absorption. Boca Raton, Fla: CRC Press, 1986.

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J, Graff Darrell, and Ashmead Harvey H, eds. Intestinal absorption of metal ions and chelates. Springfield, Ill., U.S.A: C.C. Thomas, 1985.

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Lennernäs, Hans. Intestinal absorption characteristics of three model drugs. Uppsala: Univ., 1992.

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R, Dintzis Frederick, Laszlo Joseph A, and American Chemical Society Meeting, eds. Mineral absorption in the monogastric GI tract. New York: Plenum Press, 1989.

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Mendel, Friedman, ed. Absorption and utilization of amino acids. Boca Raton, Fla: CRC Press, 1989.

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1940-, Caspary W. F., ed. Diabetes forum series. Amsterdam: Excerpta Medica, 1987.

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Varró, V. Absorption and malabsorption: Clinical aspects. Budapest: Akadémiai Kiado, 1988.

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Poelma, Fredericus Gerardus Johannus. Intestinal absorption of drugs: The influence of taurocholate on the absorption of drugs in the small intestine of the rat. [s.l.]: [s.n.], 1989.

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Schulz, Megan A. Caco-2 cells and their uses. Hauppauge, N.Y: Nova Science Publishers, Inc., 2011.

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Book chapters on the topic "Intestinal absorption"

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Cheng, Hwee Ming. "Intestinal Absorption." In Physiology Question-Based Learning, 159–69. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0877-1_13.

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Lambert, G. Patrick. "Intestinal Absorption." In Encyclopedia of Exercise Medicine in Health and Disease, 473–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-29807-6_117.

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McKie, Andrew T., and Robert J. Simpson. "Intestinal Iron Absorption." In Iron Physiology and Pathophysiology in Humans, 101–16. Totowa, NJ: Humana Press, 2011. http://dx.doi.org/10.1007/978-1-60327-485-2_6.

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Weiner, R., and W. Hartig. "Postoperative Intestinal Absorption." In Die Chirurgie und ihre Spezialgebiete Eine Symbiose, 648. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-95662-1_298.

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Berberich, Richard. "Intestinal absorption tests." In Nuclear Medicine in Gastroenterology, 191–99. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3316-6_13.

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Meade, Uchu, Nadia Gabriel, Roshni Patel, Maryam Clark, Pritha Singh, Jeremy M. D. Nightingale, and Richard Ng Kwet Shing. "Drug Absorption in Patients with a Short Bowel." In Intestinal Failure, 699–716. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-22265-8_42.

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Meydani, Mohsen, and Keith R. Martin. "Intestinal Absorption of Fat-Soluble Vitamins." In Intestinal Lipid Metabolism, 367–81. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-1195-3_20.

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van der Voet, Gijsbert B. "Intestinal Absorption of Aluminium." In Novartis Foundation Symposia, 109–22. Chichester, UK: John Wiley & Sons, Ltd., 2007. http://dx.doi.org/10.1002/9780470514306.ch7.

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Lönnerdal, B. "Intestinal Absorption of Zinc." In ILSI Human Nutrition Reviews, 33–55. London: Springer London, 1989. http://dx.doi.org/10.1007/978-1-4471-3879-2_3.

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Kerstan, D., and G. A. Quamme. "Intestinal Absorption of Magnesium." In Calcium in Internal Medicine, 171–83. London: Springer London, 2002. http://dx.doi.org/10.1007/978-1-4471-0667-8_10.

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Conference papers on the topic "Intestinal absorption"

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Böhm, V., K. Fröhlich, G. Laske, and J. Hohbein. "Intestinal absorption of lycopene from different foods." In 13th World Congress of Food Science & Technology. Les Ulis, France: EDP Sciences, 2006. http://dx.doi.org/10.1051/iufost:20060393.

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Dursoniah, Danilo, Maxime Folschette, Rebecca Goutchtat, Violeta Raverdy, François Pattou, and Cédric Lhoussaine. "Modeling Intestinal Glucose Absorption from D-Xylose Data." In 15th International Conference on Bioinformatics Models, Methods and Algorithms. SCITEPRESS - Science and Technology Publications, 2024. http://dx.doi.org/10.5220/0012358300003657.

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Jeffrey, Brian D., and H. S. Udaykumar. "Modeling and Simulation of Peristaltic Transport and Mixing in the Human Gastrointestinal Tract." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32282.

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Despite active research, the mechanism by which food is transported, mixed and absorbed in the human gastro-intestinal tract remains poorly understood. At the University of Iowa Veterans Hospital, clinicians have been treating veterans for abnormal mechanical activity of the stomach and intestine and are pursuing research into such mechanisms, in order to better control and treat such ailments. The pathology experienced by these patients tends to be chronic and somewhat refractory to treatment particularly in the elderly, those with diabetes or after abdominal operations. Abnormal activity is responsible for gastro-esophageal reflux, gastroparesis, diarrhea, and abdominal pain syndromes. Current techniques of imaging and of image analysis should steadily improve ability to obtain information on mechanical activity of stomach and intestines in patients. Yet, for these imaging techniques to provide optimal diagnostic information, one needs to understand, in depth, how the visual parameters of contractions relate to digestion and absorption of nutrients.
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Durham, R., K. Staples, and M. Jones. "The Influence of Dietary Components on Absorption Mechanisms at the Intestinal Monolayer." In 13th World Congress of Food Science & Technology. Les Ulis, France: EDP Sciences, 2006. http://dx.doi.org/10.1051/iufost:20060580.

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Piazza, S., E. Sangiovanni, M. Maldini, M. Fumagalli, R. Spezzano, F. Giavarini, B. Pacchetti, D. Caruso, and M. Dell'Agli. "STABILITY AND INTESTINAL ABSORPTION OF VINPOCETINE IN HUMAN EPITHELIAL CACO-2 CELLS." In GA 2017 – Book of Abstracts. Georg Thieme Verlag KG, 2017. http://dx.doi.org/10.1055/s-0037-1608573.

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Lupu, Vasile Valeriu, Ingrith Miron, Nicolai Nistor, Doina Carina Voinescu, Magdalena Starcea, Ancuta Lupu, and Anamaria Ciubara. "GENERAL NUTRITION PRINCIPLES FOR THE MENTAL AND PHYSICAL HEALTH OF CHILDREN." In The European Conference of Psychiatry and Mental Health "Galatia". Archiv Euromedica, 2023. http://dx.doi.org/10.35630/2022/12/psy.ro.26.

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According to the theory of Hipocrates (3rd century BC) "all diseases begin in the intestines". It is now known that intestinal microorganisms participate in physiological processes such as: immune system functioning, detoxification, inflammation, neurotransmitter and vitamin production, nutrient absorption, hunger, and satiety signaling, carbohydrate and fat burning. Thus, a beneficial microbial flora is maintained by proper nutrition. Also, in the literature, there are microbiome-specific associations with different pathologies: attention deficit hyperactivity disorder (ADHD), asthma, autism, allergies, chronic fatigue, depression, anxiety, and diabetes. To prevent these pathologies, in the children's growth and development it must be considered multiple factors: the type of birth (natural or caesarean), genetics, general health, physical activity, sedentarism, sleep quality, and appropriate nutrition.
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Li, Wen-lan, Xiang-ming Sun, Yu-bin Ji, Li-li Nan, Juan Du, Zhi Sun, and Chao Zhang. "Studies on intestinal absorption mechanism and influential factors of Cinnamic acid in rats." In 2009 ICME International Conference on Complex Medical Engineering - CME 2009. IEEE, 2009. http://dx.doi.org/10.1109/iccme.2009.4906626.

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Yu, Dijia, Yongyan Bei, Xiaoyan Chen, Yang Liu, and Xuenong Zhang. "Notice of Retraction: Novel Norcantharidin-Loaded Liver Targeting Chitosan Nanoparticles to Enhance Intestinal Absorption." In 2011 5th International Conference on Bioinformatics and Biomedical Engineering. IEEE, 2011. http://dx.doi.org/10.1109/icbbe.2011.5780435.

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Russell, Stewart, Shirley Chan, Min Jing Zheng, Yury Budansky, and Robert R. Alfano. "Combination absorption and fluorescence for detection of vessels in intestinal sub-mucosa (Conference Presentation)." In Optical Biopsy XVI: Toward Real-Time Spectroscopic Imaging and Diagnosis, edited by Robert R. Alfano and Stavros G. Demos. SPIE, 2018. http://dx.doi.org/10.1117/12.2295377.

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Prasad Dash, Ranjeet, Bhanuchander Ellendula, and Manish Nivsarkar. "Influence of diabetes progression on intestinal absorption of P-glycoprotein substrate: Implication of epigallocatechin-3-gallate (P-glycoprotein inhibitor) for reducing intestinal drug efflux." In Annual International Conference on Pharmaceutical Sciences and Pharmacology. Global Science & Technology Forum (GSTF), 2013. http://dx.doi.org/10.5176/2345-783x_pharma13.08.

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Reports on the topic "Intestinal absorption"

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Cnaani, Avner, Gordon Grau, Darren Lerner, and Sheenan Harpaz. Gastrointestinal osmoregulatory activity in Tilapia and its effects on growth, an opportunity for fish diet developments. United States Department of Agriculture, July 2014. http://dx.doi.org/10.32747/2014.7594393.bard.

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Fish living in freshwater and seawater environments experience constant osmotic pressure between their internal body and the surrounding water. Regulation of ion and water balance under these conditions is highly energetic demanding, and eventually, affects the fish growth. While the role of the gills in osmoregulation was extensively studied, the osmoregulatory activity of the gastrointestinal tract is less known. In this study we characterized the tilapia intestine as a multifunctional organ, having a role in both nutrition and in ion regulation. We studied the pituitary endocrine regulation of intestinal salinity adaptation, the salinity-dependent physiological activity along different intestinal sections, and specific genes that are linking nutrient absorption with ion and acid-base regulation. The results of this study indicate that different intestinal sections developed various specific activities. Their endocrine regulation is now better understood, a large data-set of salinity dependent gene transcript was developed, as well as new tools and methods to study new aspects of intestinal physiology.
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yu, luyou, jinping yang, xi meng, and yanhua lin. Effectiveness of the gut microbiota-bile acid pathway (BAS) in the treatment of Type 2 diabetes: A protocol for systematic review and meta analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, July 2022. http://dx.doi.org/10.37766/inplasy2022.7.0117.

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Review question / Objective: To systematically evaluate the efficacy of the intestinal microbiome - bile acid pathway (BAS) in the treatment of T2DM. Condition being studied: Bile acids (BAs), an important component of bile, are also metabolites derived from cholesterol and promote intestinal absorption and transportation of dietary lipids . Studies have shown that bile acid receptor agonists can promote glP-1 secretion and improve glucose metabolism in preclinical mouse models of obesity and insulin resistance , which may become a new therapeutic target for Type 2 diabetes. However, no systematic review and meta-analysis has been found on the treatment of type 2 diabetes by intestinal microbiome - bile acid pathway. Therefore, we conducted a systematic review and meta-analysis to evaluate the safety and effectiveness of intestinal microbiome-bile acid pathway in the treatment of type 2 diabetes.
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Wong, E. A., and Z. Uni. Modulating intestinal cellular maturation and differentiation in broilers by in ovo feeding. Israel: United States-Israel Binational Agricultural Research and Development Fund, 2018. http://dx.doi.org/10.32747/2018.8134161.bard.

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Mortality in a broiler flock will typically range from 4-5% of the population over the course of 6- 7 weeks in the U.S. and 7-8% of the population in Israel. Suboptimal intestinal maturation and functionality are one of the major factors that contribute to early age mortality and hinder flock body weight uniformity. The development of absorptive and secretory functions is orchestrated by differentiation of cells that arise from stem cells. Supplying compounds by in ovo feeding (IOF) during late embryogenesis provides nutrients that may change the dynamics of stem cell differentiation. We hypothesize that the introduction of specific nutrients or probiotics to the late embryonic chick via IOF will result in an acceleration of the maturation of the small intestine as measured by villus/crypt morphology and the number and distribution of absorptive and secretory cells. A chick that can absorb nutrients more efficiently by increasing the number of cells expressing nutrient transporters and resist enteric pathogens by increasing the number of cells expressing mucin and host defense peptides will be healthier at hatch. This chick may have less need for antibiotics and may show reduced early mortality. The objectives of this proposal are to: 1) develop a model for the development of putative stem cells and absorptive/secretory cells in the small intestine of the late embryonic and early post hatch broiler. 2) determine the ability of IOF of nutrients to modulate the population of differentiated cells in the intestine. 3) determine the ability of IOF of probiotics to modulate the population of differentiated cells in the intestine. 4) reduce early mortality and increase body weight uniformity by IOF of selected nutrients or probiotics. This proposal combines the IOF expertise of Zehava Uni (Hebrew University) with the RNAscope in situ hybridization technique of Eric Wong (Virginia Tech). Previous studies using quantitative PCR to examine expression of genes in the intestine were unable to identify specific cells expressing these genes. RNAscope allows the ability to identify putative stem, absorptive and secretory cells in the small intestine. Thus, we will be able to investigate the effect of IOF on the presence of intestinal absorptive and secretory cells at the cellular level. Understanding the mechanisms for intestinal development and function are key to maintaining peak growth and health of chickens and thus would be of great economic benefit to the poultry industry.
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Wawrzyniak, Sylvia, Howard Tyler, and James D. Quigley. Effects of an Oral Rehydration Solution with Added Bovine Serum Proteins on Small Intestinal Absorptive Capacity. Ames (Iowa): Iowa State University, January 2004. http://dx.doi.org/10.31274/ans_air-180814-919.

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Craan, Andre-Gerard. Effects of insulin, sodium and D-glucose on amino acid absorption in the intestine of rats. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.1448.

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