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Merck
CN

SML4175

TH-Z145

new

≥90% (HPLC)

Synonym(s):

(2-(3-(Octyloxy)phenyl)ethane-1,1-diyl)bis(phosphonic acid), P,P′-[2-[3-(Octyloxy)phenyl]ethylidene]bis[phosphonic acid]

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About This Item

Empirical Formula (Hill Notation):
C16H28O7P2
CAS Number:
Molecular Weight:
394.34
MDL number:
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Quality Level

Assay

≥90% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 2 mg/mL, clear

storage temp.

-10 to -25°C

SMILES string

O=P(O)(C(P(O)(O)=O)CC1=CC(OCCCCCCCC)=CC=C1)O

Biochem/physiol Actions

Potent and selective mevalonate (MVA) pathway geranylgeranyl diphosphate synthase (GGPPS) inhibitor that stimulates immune responses in vivo.
TH-Z145 is a potent and selective geranylgeranyl diphosphate synthase (GGPPS) inhibitor (IC50 = 210 nM; FPPS IC50 >30 µM) that stimulates immune responses by blocking the mevalonate (MVA) pathway-mediated post-translational protein geranylgeranylation. When co-administered with antigen in mice in vivo, TH-Z145 triggers strong adjuvant responses, increasing OVA-specific antibody titres (in mice immunized with 100 μg OVA + 100 μg TH-Z145) and protects against death caused by live influenza virus PR8 challenge (in mice immunized with 5 μg PR8 HA1 subunit containing TH-Z145). TH-Z145 adjuvant efficacy is blocked by GGPP and synergized with HMG-CoA inhibitor simvastatin.

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Chenchen Guo et al.
Nature cancer, 3(5), 614-628 (2022-04-23)
Small cell lung cancer (SCLC) lacks effective treatments to overcome chemoresistance. Here we established multiple human chemoresistant xenograft models through long-term intermittent chemotherapy, mimicking clinically relevant therapeutic settings. We show that chemoresistant SCLC undergoes metabolic reprogramming relying on the mevalonate
Dennis Juarez et al.
Cancer research communications, 3(12), 2497-2509 (2023-11-13)
The BCL2 inhibitor venetoclax promotes apoptosis in blood cancer cells and is approved for treatment of chronic lymphocytic leukemia and acute myeloid leukemia. However, multiple myeloma cells are frequently more dependent on MCL-1 for survival, conferring resistance to venetoclax. Here
Yun Xia et al.
Cell, 175(4), 1059-1073 (2018-10-03)
Motivated by the clinical observation that interruption of the mevalonate pathway stimulates immune responses, we hypothesized that this pathway may function as a druggable target for vaccine adjuvant discovery. We found that lipophilic statin drugs and rationally designed bisphosphonates that

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