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https://www.readbyqxmd.com/read/28429991/effects-of-medium-chain-triglycerides-on-intestinal-morphology-and-energy-metabolism-of-intrauterine-growth-retarded-weanling-piglets
#1
Li-Li Zhang, Hao Zhang, Yue Li, Tian Wang
It has been shown that there is a relationship between intrauterine growth retardation (IUGR) and postnatal intestinal damage involved in energy deficits. Therefore, the present study was conducted to investigate the effect of medium-chain triglycerides (MCT) on the intestinal morphology, intestinal function and energy metabolism of piglets with IUGR. At weaning (21 ± 1.1 d of age), 24 IUGR piglets and 24 normal birth weight (NBW) piglets were selected according to their birth weights (BW) (IUGR: 0.95 ± 0...
June 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28423120/primary-cultures-of-mouse-small-intestinal-epithelial-cells-using-the-dissociating-enzyme-type-i-collagenase-and-hyaluronidase
#2
H J Ren, C L Zhang, R D Liu, N Li, X G Li, H K Xue, Y Guo, Z Q Wang, J Cui, L Ming
The epithelium is a highly dynamic system, which plays a crucial role in the homeostasis of the intestinal tract. However, studies on the physiological and pathophysiological functions of intestinal epithelial cells (IECs) have been hampered due to lack of normal epithelial cell models. In the present study, we established a reproducible method for primary culture of mouse IECs, which were isolated from the viable small intestinal crypts of murine fetuses (on embryonic day 19), using type I collagenase and hyaluronidase in a short span of time (≤20 min)...
April 13, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28402256/a-potential-anti-tumor-effect-of-leukotriene-c4-through-the-induction-of-15-hydroxyprostaglandin-dehydrogenase-expression-in-colon-cancer-cells
#3
Lubna M Mehdawi, Shakti Ranjan Satapathy, Annika Gustafsson, Kent Lundholm, Maria Alvarado-Kristensson, Anita Sjölander
Colorectal cancer (CRC) is one of the leading causes of cancer-related deaths worldwide. Cyclooxygenase-2, which plays a key role in the biosynthesis of prostaglandin E2 (PGE2), is often up-regulated in CRC and in other types of cancer. PGE2 induces angiogenesis and tumor cell survival, proliferation and migration. The tumor suppressor 15-hydroxyprostaglandin dehydrogenase (15-PGDH) is a key enzyme in PGE2 catabolism, converting it into its inactive metabolite 15-keto-PGE2, and is often down-regulated in cancer...
March 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28339792/interference-of-age-and-supplementation-of-direct-fed-microbial-and-essential-oil-in-the-activity-of-digestive-enzymes-and-expression-of-genes-related-to-transport-and-digestion-of-carbohydrates-and-proteins-in-the-small-intestine-of-broilers
#4
M F Fernandez-Alarcon, N Trottier, J P Steibel, R Lunedo, D M B Campos, A M Santana, J M Pizauro, R L Furlan, L R Furlan
The objectives of this study were to describe alterations that age and dietary inclusion of direct-fed microbial (DFM) Bacillus subtilis (BS) and a specific essential oil (EO) blend (carvacrol, cinnamaldehyde, cineol, and pepper extract) causes in the activity of digestive enzymes (maltase: MALT; aminopeptidase-N: APN; intestinal alkaline phosphate: IAP) and expression patterns of genes related to transport (oligopeptide transporter gene: SLC15A1; Na+-dependent glucose and galactose transporter gene: SLC5A1; Na+-independent glucose, galactose, and fructose transporter gene: SLC2A2; ATPase, Na+/K+ transporting gene: ATP1A1) and digestion (aminopeptidase-N gene: ANPEP; maltase-glucoamylase gene: MGAM; Sucrase-isomaltase gene: SI) of carbohydrates and proteins in the small intestine of broilers...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28315372/soybean-hull-induced-production-of-carbohydrases-and-protease-among-aspergillus-and-their-effectiveness-in-soy-flour-carbohydrate-and-protein-separation
#5
Qian Li, Abdullah Al Loman, Anthony M Coffman, Lu-Kwang Ju
Soybean hull consists mainly of three major plant carbohydrates, i.e., cellulose, hemicellulose and pectin. It is inexpensive and a good potential substrate for carbohydrase production because it is capable of inducing a complete spectrum of activities to hydrolyze complex biomass. Aspergillus is known for carbohydrase production but no studies have evaluated and compared, among Aspergillus species and strains, the soybean hull induced production of various carbohydrases. In this study, A. aculeatus, A. cinnamomeus, A...
March 15, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28271166/n-acetylcysteine-improves-intestinal-function-in-lipopolysaccharides-challenged-piglets-through-multiple-signaling-pathways
#6
Dan Yi, Yongqing Hou, Hang Xiao, Lei Wang, Yue Zhang, Hongbo Chen, Tao Wu, Binying Ding, Chien-An Andy Hu, Guoyao Wu
This study determined whether N-acetylcysteine (NAC) could improve intestinal function through phosphatidylinositol-3-kinase (PI3K)/protein kinase B (Akt)/mammalian target of rapamycin (mTOR), epithelial growth factor receptor (EGFR), toll-like receptor 4 (TLR4)/nuclear factor-kappa B (NF-κB), adenosine 5'-monophosphate-activated protein kinase (AMPK), and type I interferon (IFN) signaling pathways in a piglet model of lipopolysaccharides (LPS) challenge. Thirty-two piglets (24-day-old) were randomly allocated to one of four treatments, with eight replicates per treatment and one piglet per replicate...
March 7, 2017: Amino Acids
https://www.readbyqxmd.com/read/28267073/improved-starch-digestion-of-sucrase-deficient-shrews-treated-with-oral-glucoamylase-enzyme-supplements
#7
Buford L Nichols, Stephen E Avery, Roberto Quezada-Calvillo, Shadi B Kilani, Amy Hui-Mei Lin, Douglas G Burrin, Benjamin E Hodges, Shaji K Chacko, Antone R Opekun, Marwa El Hindawy, Bruce R Hamaker, Sen-Ichi Oda
Although named because of its sucrose hydrolytic activity, this mucosal enzyme plays a leading role in starch digestion because of its maltase and glucoamylase activities. Sucrase deficient mutant shrews, Suncus murinus, were used as a model to investigate starch digestion in patients with Congenital Sucrase-isomaltase Deficiency (CSID). BACKGROUND: Starch digestion is much more complex than sucrose digestion. Six enzyme activities, two α-amylases (Amy) and four mucosal α-glucosidases (maltases), including maltase-glucoamylase (Mgam) and sucrase-isomaltase (Si) subunit activities, are needed to digest starch to absorbable free glucose...
March 6, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28262753/soil-bacterial-and-fungal-diversity-differently-correlated-with-soil-biochemistry-in-alpine-grassland-ecosystems-in-response-to-environmental-changes
#8
Yong Zhang, Shikui Dong, Qingzhu Gao, Shiliang Liu, Hasbagan Ganjurjav, Xuexia Wang, Xukun Su, Xiaoyu Wu
To understand effects of soil microbes on soil biochemistry in alpine grassland ecosystems under environmental changes, we explored relationships between soil microbial diversity and soil total nitrogen, organic carbon, available nitrogen and phosphorus, soil microbial biomass and soil enzyme activities in alpine meadow, alpine steppe and cultivated grassland on the Qinghai-Tibetan plateau under three-year warming, enhanced precipitation and yak overgrazing. Soil total nitrogen, organic carbon and NH4-N were little affected by overgrazing, warming or enhanced precipitation in three types of alpine grasslands...
March 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28240308/the-influences-of-four-types-of-soil-on-the-growth-physiological-and-biochemical-characteristics-of-lycoris-aurea-l-her-herb
#9
Miaohua Quan, Juan Liang
Based on the characteristics of Lycoris aurea (L. aurea) natural distribution and local soil types, we selected four representative types of soil, including humus soil, sandy soil, garden soil and yellow-brown soil, for conducting the cultivation experiments to investigate key soil factors influencing its growth and development and to select the soil types suitable for cultivating it. We found that there existed significant differences in the contents of mineral elements and the activities of soil enzymes (urease, phosphatase, sucrase and catalase) etc...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28126938/draft-genome-sequence-of-weissella-confusa-mbf8-1-a-glucansucrase-and-bacteriocin-producing-strain-isolated-from-a-homemade-soy-product
#10
Nicholas C K Heng, Chia-Wen Yeh, Amarila Malik
We report here the draft genome sequence of Weissella confusa MBF8-1, an isolate from a homemade fermented soybean product that produces sucrases and exhibits antibacterial (bacteriocin) activity. The draft genome of W. confusa MBF8-1 comprises a 2.2-Mbp chromosome and a 17.8-kbp bacteriocin-encoding plasmid. Two putative glucansucrase genes were also identified.
January 26, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28103775/interaction-of-antipsychotic-drugs-with-sucrase-kinetics-and-structural-study
#11
Narges Jafari, Helia Dehganpour, Nava Ghavanini, Hamidreza Mollasalehi, Dariush Minai-Tehrani
In patients with the Congenital Sucrase-Isomaltase Deficiency (CSID), who lack intestinal sucrase-isomaltase enzyme, a suspension of yeast sucrase is applied as a drug to compensate the enzyme deficiency. While antipsychotic drugs are used for treatment of schizophrenia, administering multiple drugs at the same time may counteract each other. In this study, the interaction between trifluoperazine and haloperidol as antipsychotic drugs on oral drug yeast sucrase was investigated. The results showed that both drugs could reduce sucrase activity and decrease the Vmax of the enzyme by non-competitive inhibition...
January 18, 2017: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/28062276/molecular-pathogenicity-of-novel-sucrase-isomaltase-mutations-found-in-congenital-sucrase-isomaltase-deficiency-patients
#12
Birthe Gericke, Mahdi Amiri, C Ronald Scott, Hassan Y Naim
BACKGROUND & AIMS: Congenital sucrase-isomaltase deficiency (CSID) is a genetic disorder associated with mutations in the sucrase-isomaltase (SI) gene. The diagnosis of congenital diarrheal disorders like CSID is difficult due to unspecific symptoms and usually requires invasive biopsy sampling of the intestine. Sequencing of the SI gene and molecular analysis of the resulting potentially pathogenic SI protein variants may facilitate a diagnosis in the future. This study aimed to categorize SI mutations based on their functional consequences...
January 3, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28042022/ghrelin-modulates-gene-and-protein-expression-of-digestive-enzymes-in-the-intestine-and-hepatopancreas-of-goldfish-carassius-auratus-via-the-ghs-r1a-possible-roles-of-plc-pkc-and-ac-pka-intracellular-signaling-pathways
#13
Ayelén Melisa Blanco, Juan Ignacio Bertucci, Aída Sánchez-Bretaño, María Jesús Delgado, Ana Isabel Valenciano, Suraj Unniappan
Ghrelin, a multifunctional gut-brain hormone, is involved in the regulation of gastric functions in mammals. This study aimed to determine whether ghrelin modulates digestive enzymes in goldfish (Carassius auratus). Immunofluorescence microscopy found colocalization of ghrelin, GHS-R1a and the digestive enzymes sucrase-isomaltase, aminopeptidase A, trypsin and lipoprotein lipase in intestinal and hepatopancreatic cells. In vitro ghrelin treatment in intestinal and hepatopancreas explant culture led to a concentration- and time-dependent modulation (mainly stimulatory) of most of the digestive enzymes tested...
February 15, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27940134/interaction-effects-on-uptake-and-toxicity-of-perfluoroalkyl-substances-and-cadmium-in-wheat-triticum-aestivum-l-and-rapeseed-brassica-campestris-l-from-co-contaminated-soil
#14
Shuyan Zhao, Ziyan Fan, Lihui Sun, Tao Zhou, Yuliang Xing, Lifen Liu
A vegetation study was conducted to investigate the interactive effects of perfluoroalkyl substances (PFASs), including perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS), and Cadmium (Cd) on soil enzyme activities, phytotoxicity and bioaccumulation of wheat (Triticum aestivum L.) and rapeseed (Brassica campestris L.) from co-contaminated soil. Soil urease activities were inhibited significantly but catalase activities were promoted significantly by interaction of PFASs and Cd which had few effects on sucrase activities...
March 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/27935584/ketogenesis-contributes-to-intestinal-cell-differentiation
#15
Qingding Wang, Yuning Zhou, Piotr Rychahou, Teresa W-M Fan, Andrew N Lane, Heidi L Weiss, B Mark Evers
The intestinal epithelium undergoes a continual process of proliferation, differentiation and apoptosis. Previously, we have shown that the PI3K/Akt/mTOR pathway has a critical role in intestinal homeostasis. However, the downstream targets mediating the effects of mTOR in intestinal cells are not known. Here, we show that the ketone body β-hydroxybutyrate (βHB), an endogenous inhibitor of histone deacetylases (HDACs) induces intestinal cell differentiation as noted by the increased expression of differentiation markers (Mucin2 (MUC2), lysozyme, IAP, sucrase-isomaltase, KRT20, villin, Caudal-related homeobox transcription factor 2 (CDX2) and p21(Waf1))...
March 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/27872184/functional-variants-in-the-sucrase-isomaltase-gene-associate-with-increased-risk-of-irritable-bowel-syndrome
#16
Maria Henström, Lena Diekmann, Ferdinando Bonfiglio, Fatemeh Hadizadeh, Eva-Maria Kuech, Maren von Köckritz-Blickwede, Louise B Thingholm, Tenghao Zheng, Ghazaleh Assadi, Claudia Dierks, Martin Heine, Ute Philipp, Ottmar Distl, Mary E Money, Meriem Belheouane, Femke-Anouska Heinsen, Joseph Rafter, Gerardo Nardone, Rosario Cuomo, Paolo Usai-Satta, Francesca Galeazzi, Matteo Neri, Susanna Walter, Magnus Simrén, Pontus Karling, Bodil Ohlsson, Peter T Schmidt, Greger Lindberg, Aldona Dlugosz, Lars Agreus, Anna Andreasson, Emeran Mayer, John F Baines, Lars Engstrand, Piero Portincasa, Massimo Bellini, Vincenzo Stanghellini, Giovanni Barbara, Lin Chang, Michael Camilleri, Andre Franke, Hassan Y Naim, Mauro D'Amato
OBJECTIVE: IBS is a common gut disorder of uncertain pathogenesis. Among other factors, genetics and certain foods are proposed to contribute. Congenital sucrase-isomaltase deficiency (CSID) is a rare genetic form of disaccharide malabsorption characterised by diarrhoea, abdominal pain and bloating, which are features common to IBS. We tested sucrase-isomaltase (SI) gene variants for their potential relevance in IBS. DESIGN: We sequenced SI exons in seven familial cases, and screened four CSID mutations (p...
November 21, 2016: Gut
https://www.readbyqxmd.com/read/27865621/menaquinone-4-vitamin-k2-up-regulates-expression-of-human-intestinal-alkaline-phosphatase-in-caco-2-cells
#17
Seiko Noda, Asako Yamada, Rieko Tanabe, Kanae Nakaoka, Takayuki Hosoi, Masae Goseki-Sone
Alkaline phosphatase (ALP) hydrolyzes several monophosphate esters into inorganic acid and alcohol. In humans, 4 kinds of ALP isozymes have been identified: tissue-nonspecific ALP, intestinal ALP, placental ALP, and germ cell ALP. Intestinal ALP is expressed at a high concentration in the brush border membrane of intestinal epithelial cells and is known to be affected by several kinds of nutrients, such as lipids, but the physiological function of intestinal ALP has remained elusive. Vitamin K is an essential cofactor for the posttranslational carboxylation of glutamate residues into γ-carboxy glutamate...
November 2016: Nutrition Research
https://www.readbyqxmd.com/read/27814716/the-inhibitory-activity-of-herbal-medicines-on-the-keys-enzymes-and-steps-related-to-carbohydrate-and-lipid-digestion
#18
Weerachat Sompong, Nuttapat Muangngam, Artitaya Kongpatpharnich, Chadakarn Manacharoenlarp, Chanatkarn Amorworasin, Tanyawan Suantawee, Thavaree Thilavech, Sirichai Adisakwattana
BACKGROUND: Obesity and overweight are consistently associated with metabolic disorders including hyperglycemia and hyperlipidemia. Herbal medicines have been currently suggested as an alternative source of potentially useful antihyperglycemic, antihyperlipidemic, antioxidant activities. The objective of this study was to assess the in vitro inhibitory effects of eleven herbal medicines on carbohydrate and lipid digestive enzymes and the key steps of lipid digestion including the inhibition of micelle formation and the ability to bind bile acid...
November 4, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27788444/phytostabilisation-potential-of-giant-reed-for-metals-contaminated-soil-modified-with-complex-organic-fertiliser-and-fly-ash-a-field-experiment
#19
Ya-Nan Liu, Zhao-Hui Guo, Xi-Yuan Xiao, Shuo Wang, Zhi-Chao Jiang, Peng Zeng
An orthogonal field experiment of giant reed (Arundo donax) modified with organic complex fertiliser (OCF), and OCF and fly ash (O&F), at different planting densities was carried out in metal-contaminated soil. The available percentage of arsenic (As) and lead (Pb) in soil decreased from 8.45% to 2.19% and from 29.6% to 13.5% by OCF, respectively, and that of cadmium (Cd) was reduced from 25.3% to 6.49% by O&F. The total biomass of giant reed was 631g per individual following application of O&F in contaminated soil...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27753097/growth-of-wheat-and-lettuce-and-enzyme-activities-of-soils-under-garlic-stalk-decomposition-for-different-durations
#20
Xu Han, Zhihui Cheng, Huanwen Meng
BACKGROUND: Garlic (Allium sativum L.) stalk is a byproduct of garlic production that is normally thought of as waste but is now considered to be a useful biological resource. It is necessary to utilise this resource efficiently and reasonably to reduce environmental pollution and achieve sustainable agricultural development. RESULTS: The effect of decomposed garlic stalk for different durations was investigated in this study using wheat (Triticum aestivum L.) and lettuce (Lactuca sativa var...
October 17, 2016: Journal of the Science of Food and Agriculture
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