Ontology highlight
ABSTRACT:
PROVIDER: PRJNA948978 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR23974800_1.fastq.gz | Fastqsanger.gz | |||
| SRR23974801_1.fastq.gz | Fastqsanger.gz | |||
| SRR23974802_1.fastq.gz | Fastqsanger.gz | |||
| SRR23974803_1.fastq.gz | Fastqsanger.gz | |||
| SRR23974804_1.fastq.gz | Fastqsanger.gz |
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Project description:Medical cannabis has been increasingly prescribed for a range of conditions including epilepsy, chronic neuropathic pain, and chemotherapy-induced nausea and vomiting. The benefits and possible adverse events of medical-grade cannabis products vary between patients, suggesting that genetics may play a role in the pharmacokinetics of the cannabinoids, yet regulatory restrictions have led to limited clinical studies. This study is aimed at identifying a genetic signature that is predictive of the pharmacokinetics of tetrahydrocannabinol (THC), the principal intoxicating chemical compound derived from cannabis. We have identified 55 variants among 38 genes that were overrepresented in either the Low-THC or High-THC groups.
2020-04-18 | GSE148835 | GEO
Project description:Nausea, the unpleasant sensation of visceral malaise, remains a mysterious process. The area postrema is implicated in some nausea responses, and contains poorly understood brain-resident sensory neurons that are anatomically privileged to detect bloodborne signals. To investigate nausea mechanisms, we built an area postrema cell atlas through single-nucleus RNA sequencing, revealing a few neuron types. Using mouse genetic tools for cell-specific manipulation, we discovered excitatory neurons that induce nausea-related behaviors, with one neuron type mediating aversion imposed by multiple poisons. Nausea-associated responses were observed to agonists of identified area postrema receptors, and suppressed by targeted cell ablation and/or gene knockout. Anatomical mapping revealed a distributed network of long-range excitatory but not inhibitory projections with subtype-specific patterning. These studies reveal the basic organization of area postrema nausea circuitry, and provide a framework towards understanding and therapeutically controlling nausea.
2020-12-07 | GSE160938 | GEO
Project description:Colorectal cancer (CRC) is one of the most frequently diagnosed and lethal malignancy. Several key factors including poor dietary habits, smoking, alcohol consumption, genetic predisposition, obesity, diabetes mellitus, and sedentary lifestyle – all result in a significantly increased risk for developing CRC. Current treatment modalities for patients with CRC include surgery, which is often followed with adjuvant chemotherapy, especially in patients with a stage II and III disease. Most patients with advanced CRC are generally treated with the chemotherapeutic drug, 5-fluorouracil (5-FU) – either given alone or in combination with oxaliplatin and other molecularly-targeted drugs. While such treatment regimens are effective at improving disease outcomes, their clinical usefulness is often hampered due to the considerable toxicity associated with these treatments, which often causes severe nausea, vomiting, weight loss, and risk of infectious complications due to immunosuppression. Furthermore, their therapeutic efficacy is limited due to the emergence of chemotherapeutic drug resistance. In this study we performed genomewide transcriptomic analysis of parental and 5-FU resistant cells to identify differentially expressed genes and its associated pathways in promoting chemoresistance in CRC.
2022-02-19 | GSE196900 | GEO
Project description:RATIONALE: Learning how often patients experience nausea and vomiting after receiving anti-vomiting medicine and chemotherapy for colorectal cancer may help doctors plan better treatment and improve patients’ quality of life.
PURPOSE: This clinical trial is studying delayed nausea and vomiting in patients with colorectal cancer receiving standard anti-vomiting medicine during the first course of chemotherapy.
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Project description:Feeding is an important activity for all animals providing nutrients essential for survival and reproduction. Not surprisingly, learning plays a critical role in feeding behavior through the establishment and strengthening of food preferences and aversions. That is, the integration of taste and post ingestive visceral signals in the brain results in memorial representations about the consequences associated with ingesting a particular food. For example, when ingestion of a food is followed by negative gastrointestinal consequences (e.g. nausea, sickness, or vomiting), the animal develops a conditioned taste aversion (CTA), which produces a switch from acceptance to avoidance of that and any like tasting stimulus. Despite recent advances in understanding CTA responsive intracellular signaling pathways in the amygdala, little is known about any long-term regulation of target gene expression following CTA memory consolidation and retrieval. The present study utilized oligo-nucleotide microarray to understand the genes and networks involved in Conditional Taste Aversion Behavior.
2011-02-06 | E-MEXP-3029 | biostudies-arrayexpress
Project description:RATIONALE: Aprepitant, palonosetron, and dexamethasone may help lessen or prevent nausea and vomiting in patients receiving chemotherapy.
PURPOSE: This phase II trial is studying how well giving aprepitant together with palonosetron and dexamethasone works in preventing nausea and vomiting caused by chemotherapy in patients receiving chemotherapy for metastatic colorectal cancer.
| 2033103 | ecrin-mdr-crc
Project description:Rat Pica Behavior for Elucidating the Genetic Mechanism in Postoperative Nausea and Vomiting
| PRJDB11253 | ENA
Project description:This is a study to determine how much nausea and or vomiting is caused by irinotecan-based chemotherapy in patients with colorectal cancer. Patients with colorectal cancer scheduled to receive their first cycle of an irinotecan-based chemotherapy regimen are eligible. Any chemotherapy agents administered in combination with irinotecan must have low-minimal potential to cause nausea and or vomiting. Examples of acceptable regimens would be irinotecan in combination with infusional fluorouracil and leucovorin (FOLFRI) with or without bevacizumab and irinotecan in combination with cetuximab. Patients who have received prior non-irinotecan-based chemotherapy are eligible providing they experienced no vomiting and no greater than mild nausea with their prior chemotherapy.
| 2058053 | ecrin-mdr-crc
Project description:Krohn2011 - Cerebral amyloid-β
proteostasis regulated by membrane transport protein ABCC1
This model is described in the article:
Cerebral amyloid-β
proteostasis is regulated by the membrane transport protein
ABCC1 in mice.
Krohn M, Lange C, Hofrichter J,
Scheffler K, Stenzel J, Steffen J, Schumacher T, Brüning T,
Plath AS, Alfen F, Schmidt A, Winter F, Rateitschak K, Wree A,
Gsponer J, Walker LC, Pahnke J.
J. Clin. Invest. 2011 Oct; 121(10):
3924-3931
Abstract:
In Alzheimer disease (AD), the intracerebral accumulation of
amyloid-β (Aβ) peptides is a critical yet poorly understood
process. Aβ clearance via the blood-brain barrier is reduced by
approximately 30% in AD patients, but the underlying mechanisms
remain elusive. ABC transporters have been implicated in the
regulation of Aβ levels in the brain. Using a mouse model of AD
in which the animals were further genetically modified to lack
specific ABC transporters, here we have shown that the
transporter ABCC1 has an important role in cerebral Aβ
clearance and accumulation. Deficiency of ABCC1 substantially
increased cerebral Aβ levels without altering the expression of
most enzymes that would favor the production of Aβ from the Aβ
precursor protein. In contrast, activation of ABCC1 using
thiethylperazine (a drug approved by the FDA to relieve nausea
and vomiting) markedly reduced Aβ load in a mouse model of AD
expressing ABCC1 but not in such mice lacking ABCC1. Thus, by
altering the temporal aggregation profile of Aβ,
pharmacological activation of ABC transporters could impede the
neurodegenerative cascade that culminates in the dementia of
AD.
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2024-09-02 | BIOMD0000000618 | BioModels