1. Cell Cycle/DNA Damage
  2. Telomerase
  3. Telomerase-IN-1


Cat. No.: HY-U00268
Handling Instructions

Telomerase-IN-1 is a Telomerase inhibitor with an IC50 of 0.19 μM.

For research use only. We do not sell to patients.

Telomerase-IN-1 Chemical Structure

Telomerase-IN-1 Chemical Structure

CAS No. : 666859-49-0

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Telomerase-IN-1 is a Telomerase inhibitor with an IC50 of 0.19 μM.

IC50 & Target

IC50: 0.19 μM (Telomerase) [1]

In Vitro

Our in vitro studies show that title compound (Telomerase-IN-1) has high inhibitory activity against telomerase and high antiproliferative capacity on SMMC-7721 cells, and has no obvious toxic effect on human normal hepatocyte cells. Telomerase-IN-1 treatment decreases the growth of cancer cells in dose- and time-dependent manners; however, the viability of L-02 shows slight changes in the compound at 10 μM. 48 h of SMMC-7721 cell treatment with the Telomerase-IN-1 (20, 40, and 80 nM) causes increase of apoptosis. Forty-eight hours of SMMC-7721 cell treatment with the Telomerase-IN-1(20, 40, and 80 nM) causes significant accumulation of green fluorescence, indicating a decrease in MMP. At 40 nM, Telomerase-IN-1 significantly increases expressions of cyt-c and Bax, but the Bcl-2 level is decreased[1].

In Vivo

Our in vivo studies show that this compound (Telomerase-IN-1) significantly inhibits tumor growth in xenograft tumor models. Results show that endoplasmic reticulum stress (ERS) through ER over response (EOR) activates the expression of hTERT, and then induces ERS, which is believed to be intricately associated with oxidative stress and mitochondrial dysfunction, resulting in apoptotic cell death, thereby modulating the expression of downstream signaling molecules including CHOP (CAAT/enhancer-binding protein homologous protein)) and mitochondrion pathway of apoptosis, leading to inhibition of cell proliferation[1].

Molecular Weight









Room temperature in continental US; may vary elsewhere.


Please store the product under the recommended conditions in the Certificate of Analysis.

Cell Assay

The effect of the title compound (Telomerase-IN-1) on the viability of human hepatoma cancer cell (SMMC-7721) is examined by increasing concentrations (3.2, 16, 80, 400, and 2000 nM). A normal liver cell line (L-02) is used as control. Cell viability is measured by MTTassay at 48 h[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration

To test whether the Telomerase-IN-1 shows any antitumor effect in vivo, SMMC-7721 cells are xenografted into nude mice, and then the tumor-bearing animals are treated with the Telomerase-IN-1 (25, 50, and 100 μM/daily) for 37 days by intraperitoneal injection[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

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