Potent and selective 2-naphthylsulfonamide substituted hydroxamic acid inhibitors of matrix metalloproteinase-13

Ruben A Tommasi1, Sven Weiler, Leslie W McQuire

  • 1Novartis Institutes for Biomedical Research, Inc., Cambridge, MA 02139, USA.

Insights

Researchers developed novel hydroxamic acid inhibitors targeting matrix metalloproteinase-13 (MMP-13) for osteoarthritis. These inhibitors show high selectivity, avoiding MMP-2 inhibition to improve safety for arthritis treatment.

Area of Science:

  • Medicinal Chemistry
  • Biochemistry
  • Pharmacology

Background:

  • Matrix metalloproteinase-13 (MMP-13) is crucial for type II collagen degradation in osteoarthritis (OA).
  • Developing safe and effective MMP-13 inhibitors for OA disease modification remains a challenge.
  • MMP-2 inhibition is linked to adverse musculoskeletal effects, necessitating selective inhibitors.

Purpose of the Study:

  • To discover and optimize selective MMP-13 inhibitors.
  • To develop a potential disease-modifying therapy for osteoarthritis.
  • To identify inhibitors with high selectivity over MMP-2.

Main Methods:

  • Structure-activity relationship (SAR) analysis of hydroxamate-based MMP inhibitors.
  • Design and synthesis of 2-naphthylsulfonamide substituted hydroxamates.
  • In vitro enzymatic assays to determine MMP-13 and MMP-2 inhibition and selectivity.

Main Results:

  • Identified hydroxamic acid inhibitors with significant selectivity for MMP-13 over MMP-2.
  • Achieved >100-fold selectivity for MMP-13 versus MMP-2 in lead compounds.
  • Demonstrated potential for developing safer MMP-13 targeted therapies.

Conclusions:

  • Selective MMP-13 inhibition is achievable with hydroxamate-based compounds.
  • 2-Naphthylsulfonamide substitution is a promising strategy for enhancing MMP-13 selectivity.
  • These findings offer a path towards safer, disease-modifying osteoarthritis treatments.

Related Concept Videos

Role of Matrix Metalloproteases in Degradation of ECM01:23

Role of Matrix Metalloproteases in Degradation of ECM

Matrix metalloproteases (MMPs) are enzymes involved in the hydrolysis of proteins and glycoproteins of the extracellular matrix. MMPs are essential for the migration and proliferation of cells through the dense matrix network, throughout embryonic development, and throughout morphogenesis. The first MMP activity discovered was a collagenase in a tadpole's tail undergoing metamorphosis. The active collagen deposition and modifications lead to the morphogenesis of tadpoles into the adult body.
A...
Anthelminthic Agents01:15

Anthelminthic Agents

Anthelmintic drugs differ significantly from antiparasitic therapies targeting protozoa, primarily due to differences in parasite biology. Whereas most protozoal treatments act on proliferating cells, anthelmintics are typically directed against mature, nonproliferative helminths. The therapeutic approach considers the helminth's reliance on neuromuscular coordination, glucose metabolism, and microtubular integrity for survival, reproduction, and localization within the host. Most anthelmintics...
Indirect-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship01:29

Indirect-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship

Indirect-acting cholinergic agonists are agents that interact with the acetylcholinesterase enzyme in the synaptic cleft, preventing the breakdown of acetylcholine into choline and acetate. Consequently, the concentration of acetylcholine in the synaptic cleft increases. These agonists can be classified into reversible and irreversible inhibitors based on their duration of action.
Reversible inhibitors display short to medium durations of action. Short-acting agents include simple alcohols with...
Indirect-Acting Cholinergic Agonists: Mechanism of Action01:18

Indirect-Acting Cholinergic Agonists: Mechanism of Action

Indirect-acting cholinergic agonists work by interacting with an enzyme called acetylcholinesterase (AChE) in the synaptic cleft. They can be reversible or irreversible inhibitors and have different effects on the enzyme.
Reversible inhibitors like edrophonium bind to a specific part of the enzyme called the anionic catalytic site. They form noncovalent bonds, which means they are not strongly attached to the enzyme. This creates a temporary and less stable enzyme–inhibitor complex, leading to...
Antifungal Agents01:15

Antifungal Agents

Amphotericin B is a broad-spectrum antifungal agent that exploits structural differences between fungal and mammalian cell membranes. Its amphipathic structure—featuring a hydrophobic polyene-lactone ring and a hydrophilic region containing mycosamine and carboxylic acid groups—enables selective binding to ergosterol, a sterol predominantly found in fungal plasma membranes. This selective interaction underlies the drug’s antifungal activity, although weak binding to cholesterol contributes to...