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Filename: controllers/Detail.php
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Function: _error_handler
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Function: insertAPISummary
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The first step of many metabolomics studies is quenching, a technique vital for rapidly halting metabolism and ensuring that the metabolite profile remains unchanging during sample processing. The most widely used approach is to plunge the sample into prechilled cold methanol; however, this led to significant metabolite loss in Synecheococcus sp. PCC 7002. Here we describe our analysis of the impacts of cold methanol quenching on the model marine cyanobacterium Synechococcus sp. PCC 7002, as well as our brief investigation of alternative quenching methods. We tested several methods including cold methanol, cold saline, and two filtration approaches. Targeted central metabolites were extracted and metabolomic profiles were generated using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The results indicate that cold methanol quenching induces dramatic metabolite leakage in Synechococcus, resulting in a majority of central metabolites being lost prior to extraction. Alternatively, usage of a chilled saline quenching solution mitigates metabolite leakage and improves sample recovery without sacrificing rapid quenching of cellular metabolism. Finally, we illustrate that metabolite leakage can be assessed, and subsequently accounted for, in order to determine absolute metabolite pool sizes; however, our results show that metabolite leakage is inconsistent across various metabolite pools and therefore must be determined for each individually measured metabolite.
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http://dx.doi.org/10.1002/btpr.3015 | DOI Listing |
The quest for bioactives that confer protection against chemotherapy induced cardio toxicity is a front-line area of cardio oncology research. Species of genus Morchella have been used in traditional medicine to treat asthma, wound healing, cough, cold, indigestion, excessive phlegm and breathlessness. M.
View Article and Find Full Text PDFMetabol Open
December 2024
Department of Physiology, University of Medical Sciences, Ondo City, Nigeria.
Diabetes mellitus, a chronic metabolic disorder, has significant global health implications, particularly due to its neurological complications, such as diabetic neuropathy. This condition increases the risk of neurodegenerative diseases by affecting peripheral nerves and cognition. , known for its neuroprotective properties, shows promise as a therapeutic option for addressing these complications.
View Article and Find Full Text PDFMol Biol Rep
December 2024
Department of Medical Biochemistry, School of Medicine, Dokuz Eylul University, Izmir, 35340, Türkiye.
Background: Collagenases, a subgroup of matrix metalloproteinases (MMPs), play crucial roles in local invasion and metastasis in cancer. While substrate zymography and in situ zymography are commonly used to analyze the collagenases, traditional techniques have limitations in determining their local activities in vitro.
Objectives: We aimed to develop a new "cell in situ collagen zymography" technique to enhance the efficiency of studying local collagenase activities in vitro.
J Med Food
December 2024
Department of Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, Florida, USA.
Moringa ( Lam., Moringaceae), West Indian mahogany ( [L.] Jacq.
View Article and Find Full Text PDFInt J Syst Evol Microbiol
December 2024
Department of Life Sciences, National Chung Hsing University, Taichung 40227, Taiwan, ROC.
A hydrogenotrophic methanoarchaeon, designated strain FWC-SCC4, was isolated from cold seep sediment of Four-Way Closure Ridge, offshore southwestern Taiwan. Strain FWC-SCC4utilizes H/CO or formate, but not acetate, secondary alcohols, methylamines, methanol or ethanol for growth and methane production. Yeast extract is required for growth.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!