Definición: Scientific Profile
Publicado el · Actualizado el
Lipotropic mixture optimized for the research of lipid metabolism. It contains a synergistic formulation of fatty-acid transport agents and enzymatic cofactors for the study of cellular fat transport.
The Definition compound is a research-grade lipotropic blend designed to analyze the modulation of triglyceride metabolism and the efficiency of fatty acid oxidation. Its formulation integrates methionine, inositol, and choline (MIC complex), together with L-carnitine and B-complex vitamins (B6 and B12), essential components in the methyl-group transfer cycle and in the mitochondrial transport of lipids.
In metabolic research models, this compound is used to observe the mobilization of accumulated lipid deposits and to evaluate hepatocellular protection through the prevention of fat accumulation in the hepatic parenchyma. The presence of L-carnitine makes it possible to study the transport rate of long-chain fatty acids across the inner mitochondrial membrane, the rate-limiting step in beta-oxidation.
The inclusion of cyanocobalamin and pyridoxine in the blend serves as support for the study of cardiac and neuromuscular metabolic functions during states of induced caloric deficit in experimental protocols. This product is intended exclusively for laboratory research.
Mechanism of action
It acts through the synergy of its components: choline and inositol are involved in the emulsification of fats and the maintenance of cell membrane integrity; methionine facilitates the breakdown of lipids and prevents hepatic fatty infiltration. L-carnitine acts as the fundamental transporter of fatty acids into the mitochondrial matrix for the production of ATP (adenosine triphosphate).
Mechanism summary
It facilitates the transport of fatty acids into the mitochondria and optimizes lipid mobilization through essential cofactors and methylating lipotropic agents.
Clinical Studies (6)
There is no peer-reviewed literature on Definición as a combination. What follows is the literature on each component separately:
- Sobre L-Carnitina: Carnitine transport and fatty acid oxidation. (Longo N, et al. · Biochim Biophys Acta · 2016) PMID 26828774.
- Sobre L-Metionina: Dietary methionine restriction increases fat oxidation in obese adults with metabolic syndrome. (Plaisance EP, et al. · J Clin Endocrinol Metab · 2011) PMID 21346062.
- Sobre Inositol: Ovulatory and metabolic effects of D-chiro-inositol in the polycystic ovary syndrome. (Nestler JE, et al. · N Engl J Med · 1999) PMID 10219066.
- Sobre Colina: Choline deficiency causes reversible hepatic abnormalities in patients receiving parenteral nutrition: proof of a human choline requirement: a placebo-controlled trial. (Buchman AL, et al. · JPEN J Parenter Enteral Nutr · 2001) PMID 11531217.
- Sobre L-Carnitina: Chronic oral ingestion of L-carnitine and carbohydrate increases muscle carnitine content and alters muscle fuel metabolism during exercise in humans. (Wall BT, et al. · J Physiol · 2011) PMID 21224234.
- Sobre L-Metionina: Effects of dietary methionine and cysteine restriction on plasma biomarkers, serum fibroblast growth factor 21, and adipose tissue gene expression in women with overweight or obesity: a double-blind randomized controlled pilot study. (Olsen T, et al. · J Transl Med · 2020) PMID 32160926.
Warnings
Definición is a compound exclusively for research use (RUO); the following warnings and handling considerations apply to its use in the laboratory:
- Product exclusively for laboratory research use
- Requires strict aseptic techniques for handling
- Do not use if the vial shows suspended particles
- Experimental models with chronic renal insufficiency
- Study subjects with hypersensitivity to cyanocobalamin
- Protocols with a history of uncontrolled cardiac arrhythmia
Technical data
- Compound type
- blend
- Storage
- 15-25°C protected from light
- Shelf life (lyophilized)
- Not applicable
- Shelf life (reconstituted)
- 24 months in stable solution
- Light-sensitive
- Sí
Frequently asked questions about Definition
What is Definition?
Lipotropic mixture optimized for the research of lipid metabolism. It contains a synergistic formulation of fatty-acid transport agents and enzymatic cofactors for the study of cellular fat transport.
What is the mechanism of action of Definition?
It facilitates the transport of fatty acids into the mitochondria and optimizes lipid mobilization through essential cofactors and methylating lipotropic agents.
What is Definición researched for?
In preclinical research, Definición is studied mainly in: Research on the acceleration of mitochondrial beta-oxidation; Modulation of lipid transport in fatty liver models; Study of glycogen sparing through the use of fatty acids. Material exclusively for scientific research.
How is Definición stored?
Storage conditions: 15-25°C protected from light; lyophilized stability: Not applicable; once reconstituted: 24 months in stable solution; protect from light.
What routes of administration are studied for Definition?
In research models the following are described: Intramuscular, Subcutaneous. Use is exclusively for scientific research.
What precautions should be considered with Definition?
Definition is material for research use only. Product for laboratory research use only. It requires strict aseptic techniques for its handling.