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Mechanism of Action of VP1-001 in cryAB(R120G)-Associated and Age-Related Cataracts.

Kathleen S Molnar | Bryan M Dunyak | Bonnie Su | Yevgeniy Izrayelit | Brittney McGlasson-Naumann | Paul D Hamilton | Mingxing Qian | Douglas F Covey | Jason E Gestwicki | Leah N Makley | Usha P Andley
Investigative ophthalmology & visual science | 2019

We previously identified an oxysterol, VP1-001 (also known as compound 29), that partially restores the transparency of lenses with cataracts. To understand the mechanism of VP1-001, we tested the ability of its enantiomer, ent-VP1-001, to bind and stabilize αB-crystallin (cryAB) in vitro and to produce a similar therapeutic effect in cryAB(R120G) mutant and aged wild-type mice with cataracts. VP1-001 and ent-VP1-001 have identical physicochemical properties. These experiments are designed to critically evaluate whether stereoselective binding to cryAB is required for activity.

Pubmed ID: 31369034

Research resources used in this publication

None found

Antibodies used in this publication

None found

Associated grants

  • Agency: NEI NIH HHS, United States
    Id: P30 EY002687
  • Agency: NEI NIH HHS, United States
    Id: R01 EY005681
  • Agency: NEI NIH HHS, United States
    Id: R43 EY026474

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ATCC (tool)

RRID:SCR_001672

Global nonprofit biological resource center (BRC) and research organization that provides biological products, technical services and educational programs to private industry, government and academic organizations. Its mission is to acquire, authenticate, preserve, develop and distribute biological materials, information, technology, intellectual property and standards for the advancement and application of scientific knowledge. The primary purpose of ATCC is to use its resources and experience as a BRC to become the world leader in standard biological reference materials management, intellectual property resource management and translational research as applied to biomaterial development, standardization and certification. ATCC characterizes cell lines, bacteria, viruses, fungi and protozoa, as well as develops and evaluates assays and techniques for validating research resources and preserving and distributing biological materials to the public and private sector research communities.

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RRID:SCR_005375

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