Ontology highlight
ABSTRACT:
PROVIDER: PRJNA857342 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR20171600_1.fastq.gz | Fastqsanger.gz | |||
| SRR20171600_2.fastq.gz | Fastqsanger.gz | |||
| SRR20171530_1.fastq.gz | Fastqsanger.gz | |||
| SRR20171530_2.fastq.gz | Fastqsanger.gz | |||
| SRR20171531_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 142 |
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Project description:Stool microbiome after Dietary rice bran supplementation Raw sequence reads
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Project description:Background and study aims
Colorectal cancer (CRC) is one of the most commoncancers among humans worldwide. Recent studies demonstrated that the composition of the bacterial community in the human gut, as well as inflammation occurring in the gut, are some of the factors that modify the risk of an individual to develop CRC. The human gut is home to more than 1000 bacterial species, including health-promoting species and disease-causing species.
The consumption of rice bran, a by-product of rice milling, was previously shown to positively modify bacterial composition in the gut among healthy adults. The protective effect of a long-term rice bran consumption against CRC among individuals known to have higher risk of CRC, such as older individuals who are regular smokers and having a family history of CRC, needs to be established.
This study aims to investigate whether the implementation of a 24-week dietary programme involving rice bran consumption among adults at high risk of CRC is feasible, and whether it has any effect in inducing a health-promoting modification of the bacterial community, as well as a reduction of inflammation, in the gut of these individuals.
Who can participate?
Chinese adults of either gender, who are aged 50 or above and are categorised to be in the high risk CRC group by the Asian-Pacific Colorectal Screening tool, in which classification is based on age, smoking status and family history of CRC.
What does the study involve?
After the recruited subjects were screened for eligibility of study participation and written informed consent had been obtained from them, they were randomly assigned into either Group A or Group B. Participants in Group A were given packets of rice bran and were asked to consume 30 grams of the rice bran at 24-hour intervals for 24 weeks. Participants in Group B were given packets of rice powder that has similar appearance and colour as the rice bran, and were asked to consume 30 grams of the rice powder, also at 24-hour intervals for 24 weeks. All participants were asked to provide a stool sample and blood sample at various time points during the study, namely just before rice bran consumption, as well as 6 weeks, 12 weeks and 24 weeks after the start of rice bran consumption. Laboratory tests were conducted on these samples. All participants were also instructed to complete a log book, detailing the date and time of rice bran or rice powder intake each day, and the amount consumed. The participants also completed a faecal diary where they documented the frequency of egestion, and the shape and amount of stool egested each day, as well as the occurrence of any abdominal discomfort or pain.
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Project description:The study evaluated effects of dietary cholesterol (1.5%) in Atlantic salmon fed a plant based diet for 77 days. Cholesterol supplementation did not affect growth or organ weights of Atlantic salmon, but promoted induction of cholesterol and plant sterol efflux in the intestine, whereas sterol uptake was suppressed. Microarray analyses in the liver indicated decreased cholesterol biosynthesis and enhanced conversion to bile acids. The marked effect of cholesterol on bile acid synthesis suggests that dietary cholesterol can be used to stimulate bile acid synthesis in fish. The study clearly demonstrated how Atlantic salmon adjusted metabolic functions in response to the dietary load of cholesterol, and has expanded our understanding of sterol metabolism and turnover that adds to the knowledge of these processes in fish. Atlantic salmon received feeds based on plant ingredients with (CH) and without (K) supplementation of cholesterol. Liver samples were collected after 77 days. Five individuals from each group were analyzed with microarrays, pooled liver sample of salmon fed with commerical fish meal based feed was used as a reference.
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Project description:Pilot dietary intervention with heat-stabilized rice bran modulates stool microbiota and metabolites in healthy adults
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Project description:Miniature pigs are useful model animal for gene expression studies on dietary-induced hyperlipidemia, because they have similar digestive physiology to human. Two typical dietary components were used for dietary-induced hyperlipidemia miniature pig models. One is a high-fat and high-cholesterol diet (HFCD) containing 15% lard and 2% cholesterol, the other is a high-fat, high-cholesterol and high-sucrose diet (HFCSD) containing 15% lard, 2% cholesterol and 37% sucrose. Whole blood gene expression in HFCD, HFCSD and control male miniature pigs was measured at 10, 19 and 27 weeks of feeding periods.M-cM-^@M-^@White blood cell gene expression in HFCD, HFCSD and control male miniature pigs was measured at 27 weeks of feeding period.
2012-04-24 | E-GEOD-32616 | biostudies-arrayexpress
Project description:The study evaluated effects of dietary cholesterol (CH), taurocholate (TC), choline (CN) and taurine (TA) in Atlantic salmon fed a plant based diet for 77 days. The additives did not affect growth or organ weights of Atlantic salmon, but promoted induction of cholesterol and plant sterol efflux in the intestine, whereas sterol uptake was suppressed. Microarray analyses in the liver indicated decreased cholesterol biosynthesis and enhanced conversion to bile acids. The marked effect of cholesterol on bile acid synthesis suggests that dietary cholesterol can be used to stimulate bile acid synthesis in fish. The study clearly demonstrated how Atlantic salmon adjusted metabolic functions in response to the dietary load of cholesterol, and has expanded our understanding of sterol metabolism and turnover that adds to the knowledge of these processes in fish. Feed supplementation with choline improved lipid absorption and suppressed abnormal accumulation of fat in the gut.
2013-10-31 | GSE51887 | GEO