YM-1

YM-1

Application

YM-1 has been used as a Hsp70 (heat shock protein) inhibitor in cell viability assay.

Biochem/physiol Actions

YM-1 modulates Hsp70 activity by binding to the nucleotide-binding domain of ADP- but not ATP-bound Hsp70, stabilizing Hsp70 in its ADP-bound conformation. The ADP-bound state has tight affinity for its substrates, promoting their ubiquitination and degradation, and a greatly reduced off rate compared to the ATP-bound state. YM-1 appears to behave in a similar manner to Hip, a Hsp70 co-chaperone that stabilizes Hsp70 in its ADP-bound conformation which favors degradation of misfolded substrates such as those involved in various neurodegenerative diseases. YM-1 also has anticancer activity, which could be due to enhanced ubiquitination and clearance of Akt, a major survival kinase. In studies with multiple cancer lines, YM-1 was found to selectively target cancer cells over normal cells and to overcome tamoxifen resistance in a tamoxifen-resistant MCF7 cell model. YM-1 had greater efficacy and cytosolic localization than the closely related MKT-077 (M5449).

Packaging

5, 25 mg in glass bottle

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Code Description Colour Quality Level Manufacturer Storage Temp. Solubility Form Assay Price Quantity
3574271 YM-1 orange to dark red 100 SIGMA-ALDRICH 2-8°C
£835.71 (exc VAT) per 25MG
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3574272 YM-1 orange to dark red 100 SIGMA-ALDRICH 2-8°C
£210.32 (exc VAT) per 5MG
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