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Topic: Sucrase

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	Orphan Europe - Congenital Sucrase-Isomaltase Deficiency (CSID)
		CSID is an inherited metabolic disease characterized by a complete or almost complete lack of sucrase and a deficiency of isomaltase actvity.
		In the absence of sucrase and isomaltase activity, ingested sucrose (sugar) and isomaltose (type of starch) are not broken down and cannot be absorbed in the gastrointestinal tract.
		The deficiency of sucrase activity can be treated by replacing the missing enzyme enabling the products of sucrose hydrolysis, glucose and fructose to be absorbed.
	www.orphan-europe.com /Data/ModuleGestionDecontenu/03-Diseases/sucrase-isomaltase/index-date.asp (323 words)

	Sucrose and Sucrase Reactivity
		Testing for sucrase’s optimum environment, multiple reactions were ran using varying amounts and concentrations of sucrose and sucrase at different pHs and temperatures.
		Therefore the optimum temperature for sucrase is 37 degrees Celsius, the optimum pH is 2.0, and the optimum concentration is 10%.
		For the negative control of 2.5% and 10% sucrase a large test tube was prepared with 3ml of the optimum pH buffer from the previous experiment and exposed to the optimum temperature determined from the previous experiment at time zero.
	www.msu.edu /~zatkoffj/rd/sucrose.html (2661 words)

	CSID Primer
		Congenital Sucrase-isomaltase Deficiency (CSID) is a chronic malabsorption disease characterised by an autosomal recessive inheritable disease of sucrase and isomaltase deficiency (Hauri, 1985; Kerry, 1965; Naim, 1988; Newton, 1996).
		Sucrase is an enzyme produced in the brush border lining of the small intestine and is responsible for the metabolism of sucrose, a disaccharide commonly known as table sugar, into two component monosaccharides, glucose and fructose, which are then absorbed into the circulation (Sterchi, 1990; Treem, 1995)
		The absence of sucrase activity in patients as young as four months of age and symptoms in patients with CSID appearing as soon as sucrose is introduced to the diet, support the idea that this deficiency is present at birth.
	sucraid.net /_wsn/page4.html (795 words)

	Decreased sucrase and lactase activity in iron deficiency is accompanied by reduced gene expression and upregulation of ...
		Decreased sucrase and lactase activity in iron deficiency is accompanied by reduced gene expression and upregulation of the transcriptional repressor PDX-1 -- West and Oates 289 (6): G1108 -- AJP - Gastrointestinal and Liver Physiology
		In both control and iron-deficient rats, sucrase and lactase proteins were present primarily on the apical membrane of enterocytes from the crypt-villus junction and along the length of the villus.
		sucrase and lactase gene expression and the subsequent decrease
	ajpgi.physiology.org /cgi/content/full/289/6/G1108 (4543 words)

	Sucraid FAQs
		Sucrase is a naturally-occurring enzyme that is produced in the brush-border of the small intestine, primarily in the distal duodenum and jejunum.
		Sucrase is naturally produced in the brush border of the small intestine.
		In the absence of endogenous human sucrase, sucrose is not metabolized.
	sucraid.net /_wsn/page5.html (1236 words)

	Age-related changes in sucrase and lactase activity in the small intestine of 3- and 10-week-old obese mice ...
		Age-related changes in sucrase and lactase activity in the small intestine of 3- and 10-week-old obese mice (C57BL/6Jobob) -- Flores et al.
		Sucrase and lactase activities were measured on intestinal
		Sucrase specific activity was significantly higher in the obese
	www.jacn.org /cgi/content/abstract/9/3/255 (324 words)

	Poison Prevention Packaging Requirements; Exemption of Sucraid
		Sucraid is a new liquid formulation of sacrosidase, a yeast derived form of the sucrase enzyme, used for the treatment of congenital sucrase-isomaltase deficiency.
		CSID is a condition characterized by absent or low levels of sucrase and isomaltase, two enzymes in the small intestine.
		Any drug for human use that is in a dosage form intended for oral administration and that is required by Federal law to be dispensed only by or upon an oral or written prescription of a practitioner licensed by law to administer such drug shall be packaged in accordance with the provisions of Sec.
	www.cpsc.gov /businfo/frnotices/fr99/sucraid1.html (1736 words)

	Evolutionary matches of enzyme and transporter capacities to dietary substrate loads in the intestinal brush border -- ...
		ratio of sucrase to glucose transporter capacity was 1.15 ± 0.21
		The safety factors of both sucrase and the glucose transporter are around 2.7 in virgin female mice.
		on sucrase and the fructose transporter, and on peptidases and
	www.pnas.org /cgi/content/full/95/5/2117 (3937 words)

	Sucrase - Wikipedia, the free encyclopedia
		Sucrase (also called Invertase) (EC 3.2.1.10, EC 3.2.1.48) is a glycoside hydrolase that catalyzes the hydrolysis of sucrose to fructose and glucose.
		The sucrose is hydrolised into glucose and fructose, which are both reducing sugars, and as such will test positive with Benedict's solution.
		Sucrose intolerance (also known as Congenital Sucrase-Isomaltase Deficiency (CSID) or Sucrase-isomaltase deficiency) occurs when sucrase is not secreted in the small intestine.
	en.wikipedia.org /wiki/Sucrase (191 words)

	Fructose Intolerance: Breathe E-Z Systems, Inc. offers non-invasive solutions for all your gas detection needs, ...
		Disaccharidase levels for lactase and sucrase and the corresponding lactase-sucrase ratios are shown in Table 1.
		Mean sucrase levels in patients with overgrowth (64+/- 41), although appearing lower than those of control patients (91 +/- 42), were not significantly different.
		The lactase-sucrase ratios had altered, sucrase levels had increased, but significant bacterial colonies were still present in the two duodenal juice samples cultured.
	www.testbreath.com /resources/bacterial_contamination.htm (3099 words)

	Clinical Trial: The Effects of L-Arabinose on Intestinal Sucrase Activity in Man
		The purpose of this study is to investigate the effect of L-arabinose in a sugar-rich meal on intestinal sucrase activity in healthy volunteers by measuring postprandial blood glucose and insulin, and selected intestinal hormonal responses to increasing doses of L-arabinose.
		One of the arguments is that a high sugar intake may be one of the factors involved in the development of the metabolic syndrome, including overweight, increased blood glucose and insulin levels as well as impaired insulin action.
		Potential nutritional advantages of consuming L-arabinose in combination with sucrose may therefore be a delayed digestion of sucrose and a lower absorption of glucose, resulting in both lower blood glucose and insulin levels.
	clinicaltrials.gov /show/NCT00302302 (525 words)

	Digestive enzymes Protease, amylase, lipase, lactase, sucrase, maltase, papain, and digestive problems.
		Digestive enzymes Protease, amylase, lipase, lactase, sucrase, maltase, papain, digestive problems.
		Every bite of food you eat requires a certain enzyme to digest that particular type of food in such a way that the nutrients can be absorbed by the body.
		Sucrase for white sugar digestion and to complement Amylase.
	allonhealth.com /digestive-enzymes.htm (1010 words)

	Transport to Cell Surface of Intestinal Sucrase--Isomaltase is Blocked in the Golgi Apparatus in a Patient with ...
		A case of congenital sucrase--isomaltase deficiency in man was investigated.
		Immunoelectron microscopy with monoclonal antibodies to sucrase--isomaltase in biopsy samples from healthy subjects revealed that sucrase--isomaltase was confined predominantly to the microvillus membrane of enterocytes and there was minimal labeling of the Golgi apparatus.
		Molecular Cloning of Sucrase-Isomaltase cDNA in the House Musk Shrew Suncus murinus and Identification of a Mutation Responsible for Isolated Sucrase Deficiency
	www.pnas.org /cgi/content/abstract/82/13/4423 (607 words)

	Effects of Hypoxia on the Development of Intestinal Enzymes in Neonatal and Juvenile Rats -- Lee et al. 228 (6): 717 -- ...
		Sucrase activity was undetectable in the 7-day-old rats.
		Hypoxic groups were exposed to hypoxic environment for 7 days (from 0 to 7 days of age) and were then returned to a normoxic environment for an additional 7, 14, or 21 days (7 days, 14 days, and 21 days posthypoxia) before sacrifice, corresponding to 14, 21, and 28 days of age.
		sucrase is undetectable and maltase is low in neonates.
	www.ebmonline.org /cgi/content/full/228/6/717 (3546 words)

	Molecular Basis of Aberrant Apical Protein Transport in an Intestinal Enzyme Disorder -- Spodsberg et al. 276 (26): ...
		the activity of isomaltase and sucrase in the biopsy specimen
		The first 12 amino acid residues represent the cytoplasmic tail, followed by a membrane anchor of 20 amino acids containing the signal sequence for ER translocation and a Ser/Thr-rich stalk domain of 28 amino acids that is considered to be part of the isomaltase subunit.
		The Arg/Ile peptide sequence between isomaltase and sucrase is a trypsin site where the mature large precursor pro-SI is cleaved in the intestinal lumen by pancreatic trypsin (19).
	www.jbc.org /cgi/content/full/276/26/23506 (3708 words)

	Digestive enzymes Protease, amylase, lipase, lactase, sucrase, maltase, papain, and digestive problems.
		Digestive enzymes Protease, amylase, lipase, lactase, sucrase, maltase, papain, digestive problems.
		Every bite of food you eat requires a certain enzyme to digest that particular type of food in such a way that the nutrients can be absorbed by the body.
		Sucrase for white sugar digestion and to complement Amylase.
	www.allonhealth.com /digestive-enzymes.htm (1010 words)

	sucrase - OneLook Dictionary Search
		Tip: Click on the first link on a line below to go directly to a page where "sucrase" is defined.
		sucrase : The American Heritage® Dictionary of the English Language [home, info]
		Phrases that include sucrase: sucrase isomaltase, sucrase isomaltase complex
	www.onelook.com /?w=sucrase (156 words)

	IngentaConnect Colonic and small-intestinal phenotypes in gastric cancers: Relat...
		The purpose of the present study was therefore to examine 86 gastric carcinomas histologically and phenotypically using several phenotypic markers, including colon-specific carbonic anhydrase 1 (CA1) and sucrase as small-intestine specific marker.
		Of 86 gastric cancers, sucrase and CA1 expression was observed in 12 (14.0%) and only in two cases (2.3%), respectively, associated with other intestinal markers such as villin and mucin core protein (MUC)2.
		No association was observed between colonic and small-intestinal phenotypes, and lymph node metastasis and postoperative survival in the advanced gastric cancer cases with intestinal phenotypic expression.
	www.ingentaconnect.com /content/bsc/pin/2005/00000055/00000010/art00002 (286 words)

	Biology 107 at UConn: Laboratory Makeup #5
		You are measuring the activity of the enzyme, sucrase, isolated from the bacterium E.coli.
		In order to quantify sucrase activity, you must first generate a standard curve for the colored product produced upon cleavage of the alternate sucrose-like substrate.
		You have been given a sample of sucrase enzyme that has been isolated from an exotic, unknown bacterium.
	www.sp.uconn.edu /~bi107vc/sp03/107makeup5.html (865 words)

	Sucrose Isomaltose Malabsorption, Congenital
		Congenital sucrose-isomaltose malabsorption is a rare inherited metabolic disorder characterized by the deficiency or absence of the enzymes sucrase and isomaltase.
		Researchers suggest that the yeast be taken on a full stomach as sucrase activity is much more effective when the gastric juices are diluted.
		This oral solution is an enzyme replacement therapy that contains the enzyme sucrase (sacrosidase), obtained from baker's yeast and glycerin.
	hw.healthdialog.com /kbase/nord/nord626.htm (2586 words)

	Roles of Fructosyltransferase and Levanase-Sucrase of Actinomyces naeslundii in Fructan and Sucrose Metabolism -- ...
		(i) this enzyme was the dominant levanase and sucrase of A.
		For measuring the hydrolysis of levans and inulins or the sucrase activity, protein preparations were incubated with 1 mg
		95% of the total sucrase activity was found in the cell extracts.
	iai.asm.org /cgi/content/full/69/9/5395 (5260 words)

	Body Rewards Digestion Formula
		The enzyme sucrase acts on sucrose (a sugar) in food, breaking it down in to glucose and fructose.
		Disaccharides, which include lactose, sucrose and maltose, are further broken down during the digestive process into simple sugars by the enzymes lactase, sucrase and maltase respectively.
		Sucrase is an enzyme found the in small intestine, and its substrate is sucrose.
	www.ritecare.com /prodsheets/ETI-02769.html (1599 words)

	Congenital sucrase-isomaltase deficiency arising from cleavage and secretion of a mutant form of the enzyme -- Jacob et ...
		of sucrase and isomaltase enzymatic activities in the homogenates
		The Arg/Ile peptide sequence between isomaltase and sucrase is a trypsin site where the mature large precursor pro-SI is cleaved in the intestinal lumen by pancreatic trypsin (16).
		Differential O-glycosylation of the sucrase subunit correlates with its position within the enzyme complex.
	www.jci.org /cgi/content/full/106/2/281 (4789 words)

	UniProtKB/Swiss-Prot entry P14410 [SUIS_HUMAN] Sucrase-isomaltase, intestinal
		: The resulting sucrase and isomaltase subunits stay associated with one another in a complex by non-covalent linkages.
		The symptoms are the consequence of absent or drastically reduced enzymatic activities of sucrase and isomaltase.
		: There is a high degree of homology between the isomaltase and sucrase portions (41% of amino acid identity) indicating that this protein is evolved by partial gene duplication.
	www.expasy.org /uniprot/P14410 (790 words)

	DPC - Naim research (Site not responding. Last check: )
		We are currently investigating the implication of this mutation in a putative retention signal that in turn belongs to a more sophisticated quality control machinery operating beyond the ER.
		Unlike pro-LPH, SI is a type II protein and our data have shown that the sucrase subunit may function as an intramolecular chaperone in assisting the folding of the isomaltase domain.
		In view of the location of sucrase at the C-terminal end of pro-SI sucrase is the first C-terminally located domain that functions as an intramolecular chaperone.
	www.tiho-hannover.de /einricht/biochem/arbeitsgruppen/naim/index.htm (2101 words)

	VÃ¤xa Digestin: The Best Digestive Enzymes in One Amazing Digestion Aid
		Lactase: This enzyme digests milk and milk by-products and is extremely useful for individuals that are lactose intolerant.
		Lactase: An enzyme that digests milk and milk by-products and is extremely useful for individuals with lactose intolerance.
		Sucrase: An enzyme that digests sugars and may help prevent gastrointestinal discomfort.
	www.vaxa.com /690.cfm (874 words)

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