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breathelifehealingcenters
breathelifehealingcentersScientists have identified potential drug targets for the treatment of obesity and eating disorders (such as anorexia nervosa), and there is currently no treatment.
It is known that the ablation of hypothalamic AgRP (Agouti-related protein) neurons can cause fatal anorexia, and their activation can stimulate greedy eating and inhibit other motivational states, including fear and anxiety.
In a new study published in the journal Science Translational Medicine, a team of researchers from the University of Michigan and Vanderbilt University pointed to a protein called melanocortin 3 receptor (MC3R), It is the way to enter the brain circuit, which controls the body's energy balance and food intake.
A protein called melanocortin 3 receptor (MC3R) is a way to enter the brain circuits that control the body's energy balance and food intake.
This study in mice provides preliminary evidence that manipulation of MC3R can stimulate or inhibit food intake.
Prove that manipulation of MC3R can stimulate or inhibit food intake.
The results of the study showed that MC3R is expressed in multiple brain regions, and showed sexual bimodal expression in some regions of mice and humans.
Therefore, the dominant role of MC3R seems to be to regulate the AgRP circuit in male and female mice, in which the sexual dimorphic site plays a specialized and subordinate role in feeding behavior.
In other words, MC3R is a potential treatment target for diseases characterized by anorexia, as well as a potential target for weight loss treatment.
MC3R is a potential treatment target for diseases characterized by anorexia, as well as a potential target for weight loss treatment.
When energy storage is too high, MC3R receives hormonal signals from this location in the hypothalamus and activates neural circuits that inhibit food intake.
When energy storage is too high, MC3R receives hormonal signals from this location in the hypothalamus and activates neural circuits that inhibit food intake.
ARH MC3R neuron activation increases eating and reduces anxiety
MC3R agonism inhibits PVN MC4R neurons in vivo
MC3R agonism inhibits PVN MC4R neurons in vivoFor this study, the researchers examined the behavior and feeding response of mice lacking MC3R protein.
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The research team also determined that operating MC3R can change feeding habits in two directions.
If these results are translated into humans, the team believes that MC3R has the potential to play a role in a series of diet and obesity treatments.
Michelle Bedenbaugh, a neuroscientist at Vanderbilt University School of Medicine, the lead author of the study, said: "The most exciting part of these results is that MC3R may become a potential therapeutic target for appetite disorders (such as anorexia) and obesity.
Researchers emphasize that the identification of drug targets in model organisms is an essential early step in the long process of developing effective therapies.
Roger Cone, the senior author of the study, director of LSI and professor of molecular and integrated physiology at UM School of Medicine, said: "This provides us with a new way to solve this circuit and clarifies the focus of drug development.
Therefore, this is The first step in drug development, but it is clearly critical.
"
In fact, the MC3R circuit has never been visualized like it is now, and the involvement of neuroendocrine and behavioral circuits has greatly expanded its importance to energy homeostasis.
The MC3R circuit has never been visualized as it is now, and the involvement of neuroendocrine and behavioral circuits has greatly expanded its importance to energy homeostasis.
Original source:
Original source:The melanocortin-3 receptor is a pharmacological target for the regulation of anorexia.
DOI: 10.
1126/scitranslmed.
abd6434
DOI: 10.
1126 / scitranslmed.
abd6434 in this message