Discovery of GPR75 small molecule ligands for the treatment of obesity
Ended Project Grant Awarded Last action
- Award ID
- R43DK136454
- Recipient
-
Confomrtrx Inc. UEI SA57GNN1LDN4
- Awarding agency
-
National Institute of Diabetes and Digestive and Kidney Diseases
National Institutes of Health, Department of Health and Human Services
- Obligated
- $303,375
Award facts
- Assistance listing
- 93.847 Diabetes, Digestive, and Kidney Diseases Extramural Research
- Completion date
- Place of performance
- Santa Clara, CA 95054, USA
Award details come from USAspending.gov.
Description
- Abstract
- Obesity is a serious public health crisis and its prevalence is steadily growing around the world. Over 40% of adults in the united states are obese, making obesity management a particular important unmet need. Obesity is associated with many CO-morbidities, such as hypertension, diabetes, fatty liver disease, cardiovascular disease, and certain types of cancers. Despite its prevalence and associated CO-morbidities, pharmacological options for obesity management are limited, especially orally available medications, which limit the usage in wider populations. Therefore, developing novel, orally available medications for obesity management is of high significance. From a large-scale human exome sequencing study, GPR75 was identified to be highly associated with obesity. Protein-truncating genetic variant of GPR75 were shown to be protected from obesity. Knock-out mice studies showed allele-dose dependent resistance to high-FAT diet induced weight gain, as well as benefits in glycemic control and insulin sensitivity. In addition, GPR75 is expressed in tissues that are known to have a critical role in regulating energy homeostasis and metabolism, including the hypothalamus, thyroid gland, liver and adipose tissue. These data suggest that inhibiting GPR75 signaling is a promising strategy for obesity management. An endogenous metabolite (20-hete) and a chemokine (CCL5) have been identified as GPR75 ligands, but there are no additional potent and selective small molecule drug candidates reported. In this phase i proposal, we plan to use a DNA-encoded library screening to identify novel small molecule antagonists, negative allosteric modulators and partial agonists of GPR75, and verify them experimentally. In addition, we will determine the inactive-state structure of GPR75 as a template for future virtual screening and as the foundation for structure-based HIT-to-lead optimization in phase II. This phase i proposal is in response to funding opportunity announcement (FOA) number PA-22-176 entitled "PHS 2022-2 omnibus solicitation of the NIH, CDC and FDA for small business innovation research grant applications (parent sbir [R43/R44] clinical trial not allowed)".
Transactions
| Action | Obligated | Date |
|---|---|---|
| Amendment | $0 | |
| Original award | $303,375 |
Quick answers
Who received award R43DK136454?
R43DK136454 was awarded to Confomrtrx Inc. by National Institute of Diabetes and Digestive and Kidney Diseases (National Institutes of Health) on August 1, 2023.
How much is award R43DK136454 worth?
$303,375 has been obligated on R43DK136454.
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