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Topic: G6PD

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	The Henna Page - The Encyclopedia of Henna
		G6PD deficiency is an inherited condition, and any infant who is diagnosed with this condition MUST NOT have henna.
		G6PD deficiency is a recessive x-chromosome sex-linked inheritable trait.
		Pediatricians in hospitals in Kuwait, Oman, and Arabia screen newborns for hyperbilirubinemia and G6PD deficiency, and warn parents to NOT henna their children if they are G6PD deficient, or are in a family carrying the deficiency.
	www.hennapage.com /henna/encyclopedia/medical/g6pd.html (728 words)

	Glucose-6-phosphate dehydrogenase deficiency - Wikipedia, the free encyclopedia
		Glucose-6-phosphate dehydrogenase (G6PD) is an enzyme in the pentose phosphate pathway (see image), a metabolic pathway that supplies energy to a number of cells (most notably erythrocytes), and maintains the level of the co-enzyme nicotinamide adenine dinucleotide phosphate (NADPH).
		G6PD converts glucose-6-phosphate into 6-phosphoglucono-δ-lactone and is the rate-limiting enzyme of the pentose phosphate pathway.
		Although female carriers can have a mild form of G6PD (dependent on the degree of inactivation of the unaffected X chromosome), but homozygous females have been described; in these females there is co-incidence of a rare immune disorder termed chronic granulomatous disease (CGD).
	en.wikipedia.org /wiki/G6PD (817 words)

	G6PD Deficiency - Health and Medical Information produced by doctors - MedicineNet.com
		Glucose 6-phosphate dehydrogenase (G6PD) deficiency is an enzyme deficiency of the red blood cells.
		G6PD deficiency leads to an abnormal rupture (breakage) of the red blood cells called hemolytic anemia (abnormally low red blood cell count).
		G6PD deficiency is the most common known human enzyme disease, affecting 10% of the world's population.
	www.medicinenet.com /g6pd_deficiency/article.htm (378 words)

	G6PD deficiency and adoption from Cambodia.
		G6PD is just an enzyme in the red blood cells which is involved in metabolism of some drugs and other substances.
		G6PD deficiency in Cambodian children is not the same as G6PD deficiency in African American children.
		G6PD deficiency can be diagnosed easily by a blood test that measures the enzyme in the red blood cells.
	www.comeunity.com /adoption/health/g6pd.html (659 words)

	G6PD Deficiency
		G6PD deficiency is an inherited condition in which the body doesn't have enough of the enzyme glucose-6-phosphate dehydrogenase, or G6PD, which helps red blood cells (RBCs) function normally.
		G6PD deficiency is passed along in genes from one or both parents to a child.
		Treating the symptoms associated with G6PD deficiency is usually as simple as removing the trigger — that is, treating the illness or infection or stopping the use of a certain drug.
	kidshealth.org /parent/general/aches/g6pd.html (886 words)

	THE G6PD DEFICIENCY HOMEPAGE
		G6PD deficiency is also sometimes referred to as favism since some G6PD deficient individuals are also allergic to fava beans.
		Individuals with reduced G6PD activity are at risk for several pathologies which can be potentially serious (even causing death) if they are not properly treated.The severity of the pathologies associated with G6PD deficiency has prompted researchers to study this condition.
		It is therefore important to learn about G6PD deficiency; more specifically, this WEB site will introduce the genetic, physiological, molecular, and clinical aspects of this condition.
	rialto.com /g6pd (315 words)

	University of Chicago Hospitals: G6PD (Glucose-6-Phosphate Dehydrogenase) Deficiency
		G6PD deficiency is inherited by a gene on the X chromosome.
		G6PD deficiency is inherited from females who carry one copy of the gene on one of their X chromosomes, to half of their sons.
		G6PD deficiency is seen in about 10 percent of African-American males in the US, and is also common in persons from the Mediterranean area or Asia.
	www.uchospitals.edu /online-library/content=P00091 (689 words)

	G6PD Deficiency
		G6PD deficiency is inherited which means it is passed from one or both parents to the child.
		For example, G6PD deficiency is found in approximately 1 in 5 Africans, 1 in 5 Thais, 1 in 10 Afro-Caribbeans, 1 in 12 Cypriots, 1 in 15 Indians and 1 in 30 Chinese.
		G6PD is found in red blood cells which carry oxygen to all parts of the body.
	www.ich.ucl.ac.uk /factsheets/families/F040269 (906 words)

	untitled1.html
		G6PD has a broad pH optimum of 7.6 to 8.3 and is stable to a maximum temperature of 60 %C. Enzymes are biochemical catalysts that have highly distinctive and biologically crucial properties.
		G6PD was initially described in 1931 by Warburg and Christian in horse erythrocytes, and has since been studied from many varied sources (Arese and Flora, 1990).
		Also, G6PD activity has been discovered to adapt to nitrogen-limiting environments, indicating G6PD may be associated with mechanisms involved in the survival of cells with limited nitrogen resources, with the optimization of nitrogen acquisition when resources become available (Huppe and Turpin, 1996).
	www.bio.davidson.edu /biology/student/Ellison/thesistext.html (5172 words)

	G6PD: The Test
		G6PD activity testing may be ordered on children who had persistent jaundice as a newborn that was not due to another identified cause.
		G6PD activity testing is primarily performed on patients who have had symptoms of anemia (such as fatigue, pallor, a rapid heart rate) and/or jaundice.
		Genetic G6PD testing may sometimes be done within a family to help identify the relevant mutation in female carriers (such as the mother of an affected son or daughter of an affected father) when one or more male family member has a G6PD deficiency.
	www.labtestsonline.org /understanding/analytes/g6pd/test.html (912 words)

	G6PD. Medication concerns
		G6PD is a critical antioxidant—a deficiency can predispose to oxidation and subsequent hemolysis of the red blood cell.
		Conclusion: G6PD is not an absolute contraindication to the use of oxidizing agents.
		The use of primaquine in malaria infected patients with red cell glucose-6-phosphate dehydrogenase (G6PD) deficiency in Myanmar.
	www.globalrph.com /g6pd.htm (472 words)

	CLINICAL ASPECTS OF G6PD DEFICIENCY
		In order to prevent a severe reaction or even death, G6PD deficient individuals are prohibited from taking certain drugs; a list of drugs that are commonly reported in the literature as inducing hemolysis in G6PD deficient individuals appears in Table 2.
		In G6PD deficient red blood cells, an essential metabolite for the survival of the parasite is present in insufficient quantities.
		The compounds vicine and isouramil, abundant in fava beans, are hypothesized to be the causative agents of the hemolytic response (Beutler, 1994).
	www.rialto.com /g6pd/clinical.htm (883 words)

	www.bioinf.org.uk : Dr. Andrew C.R. Martin's Group at UCL (Site not responding. Last check: 2007-10-04)
		Residues involved in the active site and the dimer interface and residues conserved among the G6PDs of different species are also identified.
		This database can provide both science researchers and clinicians insights into the molecular aspects and clinical significance of G6PD deficiency.
		It also facilitates the understanding of the structure and function relationships of the enzyme.
	www.bioinf.org.uk /g6pd (227 words)

	www.bioinf.org.uk : Dr. Andrew C.R. Martin's Group at UCL (Site not responding. Last check: 2007-10-04)
		The G6PD gene consists of 13 exons and 12 introns which are spread over a region of >100kb on the X chromosome.
		Therefore G6PD deficiency is an X-linked genetic defect in which most sufferers of the disease are male.
		G6PD deficiency is also thought to have a link with malaria in many studies.
	acrmwww.biochem.ucl.ac.uk /g6pd/mb.html (188 words)

	G6PD: Test Sample
		G6PD deficiency is the most common enzyme deficiency in the world, affecting about 400 million people, according to the Nemours Foundation.
		Since the G6PD gene is located on the X chromosome, of which males only have one, males will have a G6PD deficiency if their G6PD gene is affected.
		Most people with G6PD deficiency can lead fairly normal lives, but they must be cautious to avoid certain medications, foods (such as fava beans), chemical substances (such as naphthalene, found in moth balls), and infections (bacterial and viral) that can cause oxidative stresses and lead to bouts of hemolytic anemia.
	www.labtestsonline.org /understanding/analytes/g6pd/sample.html (481 words)

	G6PD DEFICIENCY, DISTRIBUTION AND VARIANTS (Site not responding. Last check: 2007-10-04)
		Background: The first report of glucose-6-phosphate dehydrogenase (G6PD) deficiency in the Saudi population of the Eastern province paved the way for extensive investigations to determine the distribution and molecular pathogenesis of G6PD deficiency in Saudis in different parts of the country.
		The G6PD gene is highly polymorphic, and over 300 variants resulting from single-point mutations are known to exist in the different populations of the world.
		The activity of G6PD was determined spectrophotometrically using mature red cells obtained from the bottom of the tube containing the red-cell sediment after centrifugation.
	www.kfshrc.edu.sa /annals/213_214/01-036.htm (1479 words)

	Chicago Center for Jewish Genetics Disorders - Sephardi Disorders: Glucose-6-Phosphate Dehydrogenase Deficiency
		It encodes for the G6PD protein, which is involved in the hexose monophosphate pathway.
		G6PD and medications: Anti-malarials, analgesics, sulfonamides, and antipyrectics are oxidizing drugs, which result in diminshed glutathione levels.
		G6PD and malaria: G6PD may provide a selective advantage in endemic areas such as sub-Saharan Africa, southern Asia, and the Middle East by providing some protection against malaria.
	www.jewishgeneticscenter.org /what/sephardi/g6pd2.asp (476 words)

	THE G6PD DEFICIENCY HOMEPAGE
		G6PD deficiency is also sometimes referred to as favism since some G6PD deficient individuals are also allergic to fava beans.
		Individuals with reduced G6PD activity are at risk for several pathologies which can be potentially serious (even causing death) if they are not properly treated.The severity of the pathologies associated with G6PD deficiency has prompted researchers to study this condition.
		It is therefore important to learn about G6PD deficiency; more specifically, this WEB site will introduce the genetic, physiological, molecular, and clinical aspects of this condition.
	www.rialto.com /g6pd (315 words)

	Structural Defects Underlying Protein Dysfunction in Human Glucose-6-phosphate Dehydrogenase A- Deficiency -- ...
		G6PD catalyzes the oxidation of glucose-6-phosphate to 6-phosphoglucono-
		G6PD activity was determined spectrophotometrically at 340 nm as described under "Experimental Procedures." Results are expressed as the percentage of maximum activity ± S.D. of two independent measurements conducted in triplicate.
		G6PD activity was detected spectrophotometrically at 340 nm as described under "Experimental Procedures." The urea concentration at which a 50% activity loss was recorded was 2.33 ± 0.02 for G6PD B, 2.21 ± 0.01 for G6PD A, and 2.13 ± 0.01 for G6PD A
	www.jbc.org /cgi/content/full/275/13/9256 (5807 words)

	Glucose-6 Phosphate Dehydrogenase Deficiency (G6PD) (Site not responding. Last check: 2007-10-04)
		G6PD deficiency is sometimes referred to as favism since some G6PD deficient individuals - typically those of Mediterranean origin - react severely to fava beans.
		It is quite rare for someone with G6PD deficiency to experience a hemolytic crisis, but the crisis is an extremely serious condition that can result in death.
		Pregnant women, especially in areas where G6PD deficiency is prevalent, should avoid exposure to the drugs and foods that can lead to hemolysis in G6PD deficient persons.
	www.med.umich.edu /1libr/aha/umg6pd.htm (833 words)

	G6PD and Malaria
		G6PD is present in the cytoplasm of all cells of the body
		G6PD deficiency is manifested as anemia, with RBCs being prematurely destroyed
		Green L (1993) G6PD deficiency as protection against falciparum malaria: an epidemiologic critique of population and experimental studies.
	www.as.ua.edu /ant/bindon/ant475/g6pd/g6pd.htm (1182 words)

	GeneCard for G6PD (Site not responding. Last check: 2007-10-04)
		Disease: defects in g6pd are the cause of chronic non-spherocytic hemolytic anemia (cnsha)
		Deficiency of G6PD is associated with hemolytic anemia in two different situations.
		Isolation of human glucose-6-phosphate dehydrogenase (G6PD) cDNA clones: primary structure of the protein and unusual 5' non-coding region.
	genecards.bcgsc.ca /cgi-bin/carddisp?G6PD (558 words)

	MedlinePlus Medical Encyclopedia: Glucose-6-phosphate dehydrogenase deficiency
		G-6-PD deficiency is a hereditary, sex-linked enzyme defect that results in the breakdown of red blood cells when the person is exposed to the stress of infection or certain drugs.
		The episodes are usually brief, because newly produced (young) red blood cells have normal G6PD activity.
		Risk factors are being fl, being male, or having a family history of G6PD deficiency.
	www.nlm.nih.gov /medlineplus/ency/article/000528.htm (626 words)

	A Carbohydrate-Rich Diet Stimulates Glucose-6-Phosphate Dehydrogenase Expression in Rat Hepatic Sinusoidal Endothelial ... (Site not responding. Last check: 2007-10-04)
		G6PD expression was 700-1200% greater in parenchymal cells from
		G6PD activity was 125-150% greater in endothelial cells from rats fed the high carbohydrate diet compared with cells from
		Pandolfi P. Sonati F., Rivi R., Mason P., Grosveld F., Luzzatto L. Targeted disruption of the housekeeping gene encoding glucose 6-phosphate dehydrogenase (G6PD): G6PD is dispensable for pentose synthesis but essential for defense against oxidative stress.
	www.nutrition.org /cgi/content/full/129/1/105 (2445 words)

	UIC College of Pharmacy Drug Information Center
		G6PD A- presents with a milder form of the deficiency whereas G6PD Mediterranean presents with a more severe form.
		G6PD A- is generally found in Africa, Southern Europe, and areas populated with Africans from the slave trade.
		G6PD Mediterranean is generally distributed in Southern Europe, the Middle East, and India.
	www.uic.edu /pharmacy/services/di/G6PD.htm (778 words)

	Human mutations in glucose 6-phosphate dehydrogenase reflect evolutionary history -- NOTARO et al. 14 (3): 485 -- The ...
		TPG18 (3021532) and chloroplast (1480344) G6PD; Nostoc sp.
		Human G6PD is used as the reference sequence and the exons are in fl boxes; the coding sequence starts in exon 2.
		Human G6PD (italics) is used as the reference sequence and the even exons are underlined and numbered: the coding sequence starts in exon 2.
	www.fasebj.org /cgi/content/full/14/3/485 (4442 words)

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