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Piero Portincasa et al.
Clinical science (London, England : 1979), 111(2), 135-143 (2006-04-11)
Effectively assessing subtle hepatic metabolic functions by novel non-invasive tests might be of clinical utility in scoring NAFLD (non-alcoholic fatty liver disease) and in identifying altered metabolic pathways. The present study was conducted on 39 (20 lean and 19 obese)
M A Hattori et al.
Journal of steroid biochemistry, 21(3), 265-277 (1984-09-01)
To define the nature of the lesion of the early steroidogenic pathway (prior to pregnenolone formation) in gonadotropin-induced desensitization of rat testicular Leydig cells, we evaluated cholesterol side-chain cleavage activity in isolated mitochondria by measurement of pregnenolone synthesis and [14C]isocaproic
P Gianfrilli et al.
Journal of clinical pathology, 38(6), 690-693 (1985-06-01)
Direct gas-liquid chromatography of faecal specimens with isocaproic acid as a marker was used for the rapid diagnosis of Clostridium difficile associated diarrhoeal diseases. Ninety stools were examined and results were compared with conventional culture on selective medium and cytotoxin
C Nonhoff et al.
Acta clinica Belgica, 50(2), 76-80 (1995-01-01)
Clostridium difficile intestinal infection is a major nosocomial hazard in patients receiving antimicrobial therapy. Rationale for rapid diagnosis include lifesaving antimicrobial therapy in patients with severe colitis and early isolation measures for transmission control. We have therefore analysed the sensitivity
Pinthip Rumpagaporn et al.
Carbohydrate polymers, 130, 191-197 (2015-06-17)
Most soluble dietary fibers ferment rapidly in the proximal colon, potentially causing discomfort and poor tolerability. Alkali-extracted arabinoxylan isolates from corn, wheat, rice and sorghum brans were prepared, through hydrolysis (except sorghum) and ethanol fractionation, to have a broad range
Urosh Vilimanovich et al.
European journal of pharmacology, 765, 415-428 (2015-09-12)
Statins exhibit anti-leukemic properties due to suppression of the mevalonate pathway by the inhibition of 3-hydroxy-3-methylglutaryl coenzyme A reductase, and subsequent depletion of cholesterol, farnesylpyrophosphate, and geranylgeranylpyrophosphate. We investigated the role of autophagy, a controlled intracellular self-digestion, in the anti-leukemic
R A Bowman et al.
Journal of clinical pathology, 39(2), 212-214 (1986-02-01)
A total of 329 selective enrichment broth cultures were tested for detection of Clostridium difficile by latex particle agglutination (LPA), gas-liquid chromatography, and bacterial culture. Of 53 broths positive by LPA, 36 were positive by gas-liquid chromatography, and 42 were
M R Charlton et al.
Diabetes, 46(8), 1336-1340 (1997-08-01)
Although insulin's anticatabolic effect on protein metabolism in type 1 diabetes has been clearly shown to be related to the inhibition of protein breakdown, insulin's effect on muscle protein synthesis remains controversial. Cross-limb studies and measurements of synthesis rates of
J R Elliott et al.
The Journal of physiology, 354, 407-418 (1984-09-01)
The effects of methyl butyl ketone, methyl heptyl ketone and methyl pentanoate on the sodium current of the squid giant axon have been examined. The peak inward current in intact axons was reduced reversibly by each substance. Sodium currents were
Pascal Fuchsmann et al.
Journal of chromatography. A, 1601, 60-70 (2019-06-11)
Headspace in-tube extraction (HS-ITEX) and solid phase microextraction (HS-SPME) sampling, followed by gas chromatography-mass spectrometry (GC-MS), are widely used to analyze volatile compounds in various food matrices. While the extraction efficiency of volatile compounds from foodstuffs is crucial for obtaining
A Sener et al.
Biochemical medicine and metabolic biology, 49(2), 182-199 (1993-04-01)
In islets from adult rats injected with streptozotocin during the neonatal period, both a nonmetabolized analog of L-leucine and 3-phenylpyruvate augmented 14CO2 output from islets either prelabeled with L-[U-14C]glutamine or exposed to D-[2-14C]glucose and D-[6-14C]glucose, in a manner qualitatively comparable
Marie-Claire Arrieta et al.
Science translational medicine, 7(307), 307ra152-307ra152 (2015-10-02)
Asthma is the most prevalent pediatric chronic disease and affects more than 300 million people worldwide. Recent evidence in mice has identified a "critical window" early in life where gut microbial changes (dysbiosis) are most influential in experimental asthma. However
Eric M Brown et al.
Nature communications, 6, 7806-7806 (2015-08-05)
Environmental enteropathy (EE) is a subclinical chronic inflammatory disease of the small intestine and has a profound impact on the persistence of childhood malnutrition worldwide. However, the aetiology of the disease remains unknown and no animal model exists to date
R Jha et al.
Journal of animal science, 93(3), 1039-1051 (2015-05-29)
Effects of treating corn and wheat distillers dried grains with solubles (DDGS) with a multicarbohydrase alone or in combination with a protease on porcine in vitro fermentation characteristics and the matrix structure of the DGGS before and after the fermentation
Fangting Gu et al.
Carbohydrate polymers, 243, 116475-116475 (2020-06-14)
Resistant starch type 3 (RS3) benefits colon health, but the molecular structural reasons for this effect are unclear. Five rice starches with varied amylose content (19.1 %-40.6 %) were used to investigate their effect on gut microbiota. Size-exclusion chromatography and
Adaptation of the cecal bacterial microbiome of growing pigs in response to resistant starch type 4.
Barbara U Metzler-Zebeli et al.
Applied and environmental microbiology, 81(24), 8489-8499 (2015-10-04)
Resistant starch (RS) exacerbates health benefits on the host via modulation of the gut bacterial community. By far, these effects have been less well explored for RS of type 4. This study aimed at gaining a community-wide insight into the
M L Britz et al.
Canadian journal of microbiology, 29(4), 441-447 (1983-04-01)
Conversion of leucine to isovaleric (iV) and isocaproic (iC) acids by cell-free extracts of Clostridium bifermentans was demonstrated using two lysis procedures. Sonication resulted in an extract which had the enzymes to convert leucine to alpha-ketoisocaproic acid (alpha-kiC) and thence
Ilias Lagkouvardos et al.
Molecular nutrition & food research, 59(8), 1614-1628 (2015-05-20)
Flaxseeds contain the phytoestrogens lignans that must be activated to enterolignans by intestinal bacteria. We investigated the impact of flaxseeds on fecal bacterial communities and their associations with fecal and blood metabolites. Nine healthy male adult subjects ingested 0.3 g/kg/day
R Gunasegaram et al.
Journal of perinatal medicine, 18(6), 495-499 (1990-01-01)
With a view to establish whether cells of the human umbilical cord possess cholesterol side-chain cleavage activity, homogenates of term umbilical cord obtained following spontaneous vaginal delivery from uncomplicated pregnancies (n = 6; 38-40 weeks gestation) were incubated with 26-14C
Serge Rezzi et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 871(2), 271-278 (2008-04-29)
NMR-based metabonomics is a valuable and straightforward approach to measuring hundreds of metabolites in complex biofluids. However, metabolite identification is sometimes limited by overlapped signals in NMR spectra. We describe a new methodology using an automated hyphenation of solid phase
Amandeep Kaur et al.
Molecular nutrition & food research, 63(7), e1801012-e1801012 (2019-01-20)
Resistant starch (RS) is utilized by Gram-negative Bacteroidetes through a starch utilization system (Sus), which requires physical attachment of the bacteria to the substrate. Gram-positive Firmicutes, which include butyrate producers, utilize RS by other mechanisms, such as amylosomes and secreted
Lulu Wang et al.
Journal of agricultural and food chemistry, 68(6), 1666-1677 (2020-01-21)
A potent unpleasant aroma presenting a pickle-like off-odor in Moutai-aroma type Baijiu was studied by comparative aroma extract dilution analysis (AEDA). Two Moutai-aroma type Baijiu samples, one having no off-odor (A) and the other one presenting pickle-like off-odor (B), were
F Pepersack et al.
Journal of clinical pathology, 36(11), 1233-1236 (1983-11-01)
In order to determine if gas-liquid chromatography (GLC) on concentrated stool extracts could be substituted to cell culture assay for cytotoxicity, we prospectively studied 154 diarrhoeal stools submitted for detection of Clostridium difficile toxin. Isocaproic-positive samples were cultured on egg
P G Halvatsiotis et al.
Diabetes, nutrition & metabolism, 15(3), 136-142 (2002-08-14)
Insulin-induced glucose disposal is impaired in Type 2 diabetes mellitus (T2DM). To determine whether insulin-induced suppression of protein breakdown also is impaired, we measured leucine flux (an index of protein breakdown) in diabetic and nondiabetic subjects during a hyperinsulinemic euglycemic
A Loganath et al.
Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme, 34(3), 116-120 (2002-04-25)
With a view to establishing whether first-trimester human placentas possess the ability to synthesize DHEA from cholesterol, homogenates of this tissue obtained from two groups of women undergoing elective termination of normally progressing pregnancy between 10 - 12 weeks gestation
R Gunasegaram et al.
Acta endocrinologica, 102(2), 288-291 (1983-02-01)
With a view to establish the hitherto undescribed role of cholesterol in foetal-membranous steroidogenesis, homogenates of term chorion pars reflexa and amnion pars reflexa and pars placentaris collected from 6 women after spontaneous labour at term (38 to 41 weeks
Viridiana Tejada-Ortigoza et al.
Molecules (Basel, Switzerland), 24(4) (2019-02-17)
Fruit by-products are being investigated as non-conventional alternative sources of dietary fiber (DF). High hydrostatic pressure (HHP) treatments have been used to modify DF content as well as its technological and physiological functionality. Orange, mango and prickly pear peels untreated
Pascal Fuchsmann et al.
Journal of agricultural and food chemistry, 63(34), 7511-7521 (2015-08-01)
To establish the odor profiles of three differently fabricated commercial Swiss Tilsit cheeses, analyses were conducted using headspace solid-phase microextraction gas chromatography-mass spectrometry/pulsed flame photometric detection and gas chromatography-olfactometry to identify and quantitate volatile compounds. In addition, odor quality and
Cytochrome P-450 cholesterol side-chain cleavage expression in human spermatozoa.
R Gunasegaram et al.
Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme, 30(1), 58-60 (1998-03-21)
P N Levett
Journal of clinical pathology, 37(2), 117-119 (1984-02-01)
Stool specimens examined for the presence of Clostridium difficile and its cytotoxin were screened by gas liquid chromatography for the presence of volatile fatty acids and p-cresol. Twenty seven of 110 (25%) stools yielded C difficile or cytotoxin; iso-valeric acid
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