Ftase

Lonafarnib (Sch66336) is an orally bioavailable FPTase inhibitor for H-ras, K-ras-4B, and N-ras (IC50: 1.9 5.2 2.8 nM).

FTI-277 hydrochloride (FTI 277 HCl) is an effective and specific farnesyltransferase (FTase) inhibitor (IC50: 500 pM); this selectivity is about 100-fold than the closely related GGTase I.

Tectol has anti-plasmodial activity, it as a moderately active growth inhibitor with an IC50 3.44±0.20μM. It exhibited significant activity against human leukemia cell lines HL60 and CEM. Tectol may cause itchy dermatitis, the dermatitis appeared on the n

Ftase Inhibitor III, derived from a phenotypic screen, functions as an anion-dependent inhibitor of Farnesyltransferase.

FTase-IN-1 (compound 17a) is a highly effective farnesyl transferase (FTase) inhibitor with an IC50 value of 0.35 μM, demonstrating significant cytotoxicity and potent antitumor activity [1].

Prenyl-IN-1 is a potent and selective prenylation inhibitor of geranylgeranyltransferase or farnesyltransferase.Prenyl-IN-1 shows anti-oxidative stress effects in a Parkinson's model. Prenyl-IN-1 showed anti-oxidative stress in a Parkinson's model.

GGTI-2418 is a highly potent, competitive, and selective inhibitor of geranylgeranyltransferase I (GGTase I), exhibiting inhibitory activities with IC50 values of 9.5 nM for GGTase I and 53 μM for FTase, respectively. Additionally, it enhances p27(Kip1) expression and induces significant regression of breast tumors.

J-104871 (UNII-6137X5QNJF) is a novel farnesyltransferase (FTase) inhibitor that competitively blocks Ras farnesylation in vivo, inhibits Ras processing in activated H-ras-transformed NIH3T3 cells, and suppresses tumor growth in nude mice transplanted with activated H-ras-transformed NIH3T3 cells.

LB42708 is an orally active farnesyltransferase (FTase) inhibitor (IC50: 0.8 1.2 2.0 nM toward H N K-ras).

L-739750 2HCl is a potent inhibitor of peptidomimetic farnesyltransferase, a novel pseudopeptide mimetic with potential anticancer activity.

The L-778123 hydrochloride is an inhibitor of FPTase (IC50: 2 nM) and GGPTase-I (IC50: 98 nM) in enzyme inhibition determination.

FGTI-2734 is a dual farnesyl transferase (FT) and geranylgeranyl transferase-1 (GGT-1) inhibitor, exhibiting IC50 values of 250 nM and 520 nM for FT and GGT-1, respectively. It effectively prevents the membrane localization of KRAS, addressing the issue of KRAS resistance and inhibiting the growth of mutant KRAS patient-derived pancreatic tumors.

FTI-2153 is a potent and highly selective farnesyltransferase (FTase) inhibitor (IC50: 1.4 nM) that is over 3000-fold more effective at blocking H-Ras (IC50: 10 nM) than Rap1A processing.

Tipifarnib S enantiomer ((S)-(-)-R-115777) is the S-enantiomer of Tipifarnib. Tipifarnib is a potent and specific farnesyltransferase inhibitor (IC50: 0.6 nM).

α-hydroxy Farnesyl phosphonic acid, a nonhydrolyzable analog of farnesyl pyrophosphate, acts as a competitive inhibitor of farnesyl transferase (FTase). At concentrations above 1 μM, it inhibits the processing of Ras in Ha-ras-transformed NIH3T3 cells.

GGTI-2154 is a potent, selective geranylgeranyltransferase I (GGTase I) inhibitor, boasting an IC50 of 21 nM and demonstrating over 200-fold selectivity against FTase (IC50=5600 nM). Its efficacy and specificity make it a valuable tool for cancer research[1][2].

CP-609754 (LNK-754) is a potent and reversible farnesyltransferase inhibitor with potential anticancer activity. It inhibits farnesylation of recombinant human H-Ras (IC50=0.57 ng mL) and K-Ras (IC50=46 ng mL)[1]. In 3T3 H-ras (61L)-transfected cell lines, CP-609754 exhibits a slow on off rate, inhibiting mutant H-Ras farnesylation with an IC50 of 1.72 ng mL[1]. The compound is competitive for the prenyl acceptor (H-Ras protein) and noncompetitive for the prenyl donor farnesyl PPI, selectively inhibiting farnesylation of both H- and K-Ras proteins in 3T3 transfectants[1]. In vivo, CP-609754 shows antitumor activity against 3T3 H-ras (61L) tumors, with tumor regression achieved at 100 mg kg twice daily and an ED50 for tumor growth inhibition at 28 mg kg[1]. Continuous i.p. infusion of CP-609754 inhibits tumor growth by over 50% and reduces tumor farnesyltransferase activity by over 30% when plasma concentration is maintained above 118 ng mL[1]. [1]. Stacy L Moulder, et al. A phase I open label study of the farnesyltransferase inhibitor CP-609,754 in patients with advanced malignant tumors. Clin Cancer Res. 2004 Nov 1;10(21):7127-35.

FTI 277 TFA is a prodrug form of FTI 276 that inhibits farnesyltransferase (FTase) (IC50 = 0.5 nM). Inhibits H-Ras and K-Ras processing in whole cells (IC50 values are 0.1 and 10μM respectively) and disrupts constitutive H-Ras-specific activation of MAPK. Causes significant antiproliferative effects in human malignant glioma cells and many other tumor cell lines.

Tubulin polymerization-IN-25 is a selective, dual tubulin polymerization (IC50: 1.11 μM) and farnesyl transferase (FTase) (IC50: 0.39 μM) inhibitor. polymerization-IN-25 exhibits cytotoxicity against cancer cells and blocks cell proliferation.

FTI-277 is a farnesyltransferase FTase inhibitor and a potent Ras CAAX peptide mimetic.FTI-277 inhibits H-Ras and K-Ras signaling and inhibits hepatitis delta virus (HDV) infection.

Tipifarnib (IND 58359) is a nonpeptidomimetic quinolinone with potential antineoplastic activity. Tipifarnib binds to and inhibits the enzyme farnesyl protein transferase, an enzyme involved in protein processing (farnesylation) for signal transduction. By inhibiting the farnesylation of proteins, this agent prevents the activation of Ras oncogenes, inhibits cell growth, induces apoptosis, and inhibits angiogenesis.

GGTI-2154 hydrochloride, a potent and selective inhibitor of geranylgeranyltransferase I (GGTase I) with an IC50 of 21 nM, is applicable in cancer research.

FTI-2153 TFA is a highly selective and potent inhibitor of the farnesyltransferase (FTase) enzyme (IC50: 1.4 nM). The inhibition activity was more than 3000 times that of Rap1A protein processing.

AZD-3409 is a potent prenyl transferase inhibitor. AZD-3409 showed higher potency than lonafarnib. The mean IC(50) for cytotoxicity of AZD3409 was 510 in MEF cells, 10,600 in A549 cells and 6,170 in MCF7 cells, respectively. In these cells, the IC(50) for FTase activity of AZD3409 ranged from 3.0 to 14.2 nM and of lonafarnib from 0.26 to 31.3 nM. AZD3409 inhibits farnesylation to a higher extent than geranylgeranylation. Both inhibition of farnesylation and geranylgeranylation could not be correlated to the antiproliferative activity of the drug. AZD3409 might be active in gefitinib-resistant breast carcinoma.