Related Experiment Video
Updated: Feb 5, 2026

07:34
Quantitative Determination of De Novo Fatty Acid Synthesis in Brown Adipose Tissue Using Deuterium Oxide
Published on: May 12, 2023
1.5K
Programming mediated by fatty acids affects uncoupling protein 1 (UCP-1) in brown adipose tissue
Perla P Argentato1, Helena de Cássia César2, Débora Estadella2
11Programa de Pós Graduação em Alimentos Nutrição e Saúde,Universidade Federal de São Paulo (UNIFESP),Santos,São Paulo,Brazil.
The British Journal of Nutrition
|September 5, 2018
Summary
Maternal diet during pregnancy and lactation influences offspring
Area of Science:
- Metabolic research
- Nutritional science
- Developmental biology
Background:
- Brown adipose tissue (BAT) plays a key role in thermogenesis and energy expenditure, making it a target for obesity research.
- Maternal nutrition during pregnancy and lactation impacts offspring's metabolic health, including BAT development.
- Limited research exists on the specific effects of maternal dietary fatty acids on fetal and postnatal BAT development.
Purpose of the Study:
- To investigate the role of maternal nutrition, specifically fatty acid composition, on brown adipose tissue (BAT) development and function.
- To explore the potential of nutritional interventions during gestation and lactation for preventing offspring obesity.
- To understand the epigenetic mechanisms linking maternal diet to BAT programming.
Main Methods:
- Review of existing literature on maternal nutrition, BAT development, and thermogenesis.
- Analysis of the impact of different fatty acids on uncoupling protein 1 (UCP-1) activation.
- Exploration of potential epigenetic modifications influenced by maternal dietary fat intake.
Main Results:
- Brown adipose tissue (BAT) activation via uncoupling protein 1 (UCP-1) is crucial for thermogenesis and is influenced by diet.
- Maternal nutritional status, particularly fatty acid intake, during critical developmental periods can program offspring's BAT.
- Specific dietary fatty acid modifications may offer a strategy for preventing metabolic diseases like obesity.
Conclusions:
- Modifying maternal dietary fatty acids during pregnancy and lactation is a promising strategy for preventing offspring obesity.
- Further research is needed to elucidate the precise mechanisms by which lipids program BAT.
- Understanding nutritional impacts on epigenetic regulation of BAT can inform preventive strategies for metabolic disorders.
Related Concept Videos
Acidity of 1-Alkynes
11.2K
The acidic strength of hydrocarbons follows the order: Alkynes > Alkenes > Alkanes. The strength of an acid is commonly expressed in units of pKa — the lower the pKa, the stronger the acid. Among the hydrocarbons, terminal alkynes have lower pKa values and are, therefore, more acidic. For example, the pKa values for ethane, ethene, and acetylene are 51, 44, and 25, respectively, as shown here.
11.2K
SN1 Reaction: Stereochemistry
10.4K
This lesson provides an in-depth discussion of the stereochemical outcomes in an SN1 reaction.
In the first step of an SN1 reaction, the bond between the electrophilic carbon and the leaving group ionizes to generate the carbocation intermediate. The second step of the mechanism is the nucleophilic attack.
In the formed carbocation, the positively charged carbon is sp2 hybridized with a trigonal planar geometry. As all the three substituents lie on the same plane, a plane of symmetry for the...
In the first step of an SN1 reaction, the bond between the electrophilic carbon and the leaving group ionizes to generate the carbocation intermediate. The second step of the mechanism is the nucleophilic attack.
In the formed carbocation, the positively charged carbon is sp2 hybridized with a trigonal planar geometry. As all the three substituents lie on the same plane, a plane of symmetry for the...
10.4K
SN1 Reaction: Kinetics
9.6K
In an SN2 reaction, the reaction rate depends on both the type of nucleophile and the substrate. A hindered tertiary alkyl halide is practically inert to the SN2 mechanism despite using a strong nucleophile.
However, Sir Christopher Ingold and Edward D. Hughes, who studied the kinetics of various nucleophilic substitution reactions, noticed that a tertiary alkyl halide does undergo a nucleophilic substitution reaction in the presence of a weak nucleophile. While studying the substitution...
However, Sir Christopher Ingold and Edward D. Hughes, who studied the kinetics of various nucleophilic substitution reactions, noticed that a tertiary alkyl halide does undergo a nucleophilic substitution reaction in the presence of a weak nucleophile. While studying the substitution...
9.6K
SN1 Reaction: Mechanism
14.3K
Kinetic studies of ionization of a tertiary halide in a protic solvent suggest that only the substrate participates in the rate-determining step (slow step). The nucleophile is involved only after the slowest step. The SN1 reaction takes place in a multiple-step mechanism.
Firstly, the haloalkane ionizes to generate a carbocation intermediate and a halide ion. This heterolytic cleavage is highly endothermic with large activation energy. The ionization of the substrate, facilitated by a...
Firstly, the haloalkane ionizes to generate a carbocation intermediate and a halide ion. This heterolytic cleavage is highly endothermic with large activation energy. The ionization of the substrate, facilitated by a...
14.3K
Overview of Fatty Acid Metabolism
37.0K
Lipids also are sources of energy that power cellular processes. Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen, but these atoms are arranged differently. Most lipids are nonpolar and hydrophobic. Major types include fats and oils, waxes, phospholipids, and steroids.
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
37.0K
Predicting Products: SN1 vs. SN2
17.4K
Nucleophilic substitution reactions of alkyl halides can proceed via an SN1 or an SN2 mechanism. While in SN2 reactions, the nucleophile attacks the substrate simultaneously as the leaving group departs, in SN1 reactions, the substrate first dissociates to give the carbocation intermediate. Various factors such as the structure of the substrate, the strength of the nucleophile, and the nature of the solvent promote one mechanism over the other.
With increased substitution on the alkyl halide,...
With increased substitution on the alkyl halide,...
17.4K

