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Biochemical and Structural Studies of Protein Tyrosine Phosphatase PTP‐PEST (PTPN12) in Search of Small Molecule Inhibitors

Chemical Biology and Drug Design

The invitro biochemical assays validated that J1-65 inhibits PTP-PEST activity competitively and the inhibitor binding stabilizes the protein-ligand complex. ABSTRACT PTP-PEST (also known as PTPN12) regulates cellular signaling and transduction pathways by dephosphorylating its substrate.

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Evaluation of a panel of furochromenones as the activator and inhibitor of tyrosinase

Chemical Biology and Drug Design

Among a wide range of tyrosinase-regulating compounds, natural and synthetic derivatives of furochromenones, such as 8-methoxypsoralen (8-MOP), are known to both activate and inhibit tyrosinase. In the present study, we investigated these compounds for their potential as antagonists or agonists of tyrosinase.

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The peptide DR3penA exhibits antifibrotic activity in multiple pulmonary fibrosis models induced by particulate and soluble chemical fibrogenic agents [Gastrointestinal, Hepatic, Pulmonary, and Renal]

ASPET

Our previous research showed that the novel and low-toxicity peptide DR3penA had a strong antifibrotic effect on a bleomycin-induced murine model. Further study revealed that DR3penA may mitigate pulmonary fibrosis by negatively regulating the PI3K/AKT pathway and MAPK pathway.

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New gene found plays essential role in stem cell differentiation

Drug Target Review

Researchers from the Bon-Kyoung Koo laboratory at the Institute of Molecular Biotechnology (IMBA) and the Institute for Basic Science have used intestinal organoids to find a new gene, Daam1, that plays an essential role in switching on the development of secretory cells in the intestine. This opens new opportunities in cancer research.

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Analysis Life Sciences Thank You Amid broader shift on LDT policy, FDA unveils pilot program for cancer drug-linked tests and diagnostics

Agency IQ

Because CDx are diagnostic devices, they are not considered part of a combination product but are regulated separately as medical devices. Further, footnote 7 in the document explains: “Examples of such clinical laboratory tests are commonly used and well understood biochemical assays (e.g.,

FDA 40
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Article FDA Thank You Draft guidance on potency assays for CGT products garners extensive stakeholder input

Agency IQ

BY RACHEL COE, MSC | APR 11, 2024 1:06 PM CDT Regulatory background: Product potency and assays As defined in statute , the FDA uses the term “potency” to refer to the “specific ability or capability” of a product to “effect a given result.” for gene therapies that use viral or nonviral vectors).

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Unique self-activating proteins for drug discovery

Drug Target Review

Researchers and clinicians suggest two key barriers to surviving a N. Å resolution) 6 is now being targeted for small molecule inhibitor discovery and development, by exploiting emergent computational tools to identify potential candidate compounds in silico and then test these predicted inhibitors in in vitro biochemical assays.