Fatty Acid Metabolism Volume 2

A special issue of Metabolites (ISSN 2218-1989). This special issue belongs to the section "Lipid Metabolism".

Deadline for manuscript submissions: closed (15 August 2021) | Viewed by 4236

Special Issue Editors


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Guest Editor
Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, University of Granada, Granada, Spain
Interests: signaling pathways; diabetes; metabolic flexibility; early programming; obesity; muscle differentiation
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Abbott Nutrition R&D, Camino de Purchil 68, 18004 Granada, Spain
Interests: growth development, obesity, diabetes, sarcopenia–cachexia, bone metabolism, nutrition
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, University of Granada, Granada, Spain
Interests: metabolic flexibility; nutritional regulation of gene expression; metabolic engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The capability of the organism to respond or adapt metabolism to substrate availability, modulating its storage, trafficking, and utilization, is called metabolic flexibility. An example is the ability to select fuels between glucose and fatty acids. Insulin resistance leads to metabolic inflexibility in type 2 diabetes and obesity. Metabolic flexibility also relies on organs’ interplay since the liver, adipose tissue, and muscle regulate energy homeostasis in a coordinated fashion depending on the caloric intake and energy demand. Metabolic inflexibility and the associated alterations in the metabolism of fatty acids are related to a variety of pathologies, such as an accumulation of triglycerides within hepatocytes, leading to a clinical condition known as nonalcoholic fatty liver disease, and changes in the lipid composition or in the regulation of noncoding RNAs related to lipid metabolism in cancer cells. This Special Issue highlights the importance of the metabolism of fatty acids in health and disease. Specific areas include metabolic flexibility and fatty acid metabolism, fuel supply and muscle adaptation during the life span, and metabolic integration of fatty acid metabolism and disease, including situations such as catch-up growth, nonalcoholic fatty acid liver disease, diabetes, obesity, cancer or inflammation. Manuscripts dealing with other pertinent challenging issues are also highly desired.

Prof. Dr. Maria D. Giron-Gonzalez
Dr. Jose M. López-Pedrosa
Prof. Dr. Rafael Salto-Gonzalez
Guest Editors

Manuscript Submission Information

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Keywords

  • Metabolic flexibility and fatty acid metabolism
  • Fuel Supply and muscle adaptation during the life span
  • Metabolic integration of fatty acid metabolism and disease
  • Catch up growth and fatty acid metabolism
  • Nonalcoholic fatty acid liver disease
  • Diabetes and fatty acid metabolism
  • Cancer and fatty acid metabolism
  • Inflammation and fatty acid metabolism

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Published Papers (1 paper)

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Research

13 pages, 1658 KiB  
Article
Modulation of the Primary Astrocyte-Enriched Cultures’ Oxylipin Profiles Reduces Neurotoxicity
by Mariia V. Guryleva, Dmitry V. Chistyakov, Alexander V. Lopachev, Sergei V. Goriainov, Alina A. Astakhova, Yulia A. Timoshina, Anastasiya V. Khutorova, Tatiana N. Fedorova and Marina G. Sergeeva
Metabolites 2021, 11(8), 498; https://doi.org/10.3390/metabo11080498 - 30 Jul 2021
Cited by 3 | Viewed by 3536
Abstract
Recently, manipulations with reactive astrocytes have been viewed as a new therapeutic approach that will enable the development of treatments for acute brain injuries and neurodegenerative diseases. Astrocytes can release several substances, which may exert neurotoxic or neuroprotective effects, but the nature of [...] Read more.
Recently, manipulations with reactive astrocytes have been viewed as a new therapeutic approach that will enable the development of treatments for acute brain injuries and neurodegenerative diseases. Astrocytes can release several substances, which may exert neurotoxic or neuroprotective effects, but the nature of these substances is still largely unknown. In the present work, we tested the hypothesis that these effects may be attributed to oxylipins, which are synthesized from n-3 or n-6 polyunsaturated fatty acids (PUFAs). We used astrocyte-enriched cultures and found that: (1) lipid fractions secreted by lipopolysaccharide (LPS)—stimulated rat primary astrocyte-enriched cultures—possessed neurotoxic activity in rat primary neuronal cultures; (2) both of the tested oxylipin synthesis inhibitors, ML355 and Zileuton, reduce the LPS-stimulated release of interleukin 6 (IL-6) by astrocyte cultures, but only ML355 can change lipid fractions from neurotoxic to non-toxic; and (3) oxylipin profiles, measured by ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) from neurotoxic and non-toxic lipid fractions, reveal a group of n-3 docosahexaenoic acid derivatives, hydroxydocosahexaenoic acids (HdoHEs)-4-HdoHE, 8-HdoHE, and 17-HdoHE, which may reflect the neuroprotective features of lipid fractions. Regulating the composition of astrocyte oxylipin profiles may be suggested as an approach for regulation of neurotoxicity in inflammatory processes. Full article
(This article belongs to the Special Issue Fatty Acid Metabolism Volume 2)
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