HSP

Rocaglamide (Roc-A), isolated from the genus Aglaia, can be used to treat coughs, injuries, asthma, and inflammatory skin diseases. It is a potent inhibitor of NF-κB activation in T-cells.

Tamoxifen is an orally active selective estrogen receptor modulator (SERM) that acts as an estrogen antagonist in breast cells and an agonist in bone, liver, and uterine cells. It can be used to induce gene knockout and liver injury models in mice, and also exhibits multiple biological activities, including activation of Hsp90, induction of autophagy and apoptosis, and inhibition of EBOV and MARV viral infections.

Elesclomol (STA-4783) is an oxidative stress inducer and a highly lipophilic copper ion carrier. Elesclomol induces apoptosis in tumor cells and is used in copper death related studies. Elesclomol also inhibits FDX1-mediated Fe-S cluster biosynthesis.

2',4'-DIHYDROXYCHALCONE (2',4'-DHC) as a compound with Hsp90 inhibitory and antifungal effects

Triptolide (PG490) belongs to the tricyclic diterpenoid group of natural products and is an inhibitor of NF-κB activation. Triptolide exhibits immunosuppressive, anti-rheumatic, anti-inflammatory, anti-proliferative and anti-tumor activities.

HSP27 inhibitor J2 (J2) (J2) is a HSP27 inhibitor, inhibits a production of HSP27 giant polymers, thereby having an effect of inhibiting a chaperone function of the HSP27 and reducing a cell protection function.

Paeoniflorin (Peoniflorin) is a herbal constituent extracted from the root of Paeonia albiflora Pall.

Palmitic acid (Cetylic acid) is a natural product, a common saturated fatty acid found in animals, plants and microorganisms. Palmitic acid has antitumor activity.

Luminespib (VER-52296) is an HSP90 inhibitor that inhibits HSP90α and HSP90β (IC50=7.8 21 nM). Luminespib has antitumor activity and is used in studies of head and neck tumors, among others.

AMP-PCP disodium, an ATP analogue, binds to the N-terminal domain of Hsp90 with a Kd value of 3.8 μM, facilitating the formation of an active Hsp90 homodimer.

Feretoside is a natural product extracted from the barks of E. ulmoides. Feretoside shows inducible activity on the heat shock factor 1 (HSF1).

Eupalinolide B is a natural product ,and demonstrates potent cytotoxicity against A-549, BGC-823, SMMC-7721, and HL-60 tumour cell lines.

KU-177 is a Hsp90 ATPase homolog 1 (Aha1) inhibitor. By disrupting the interaction between Hsp90 and Aha1, it prevents the proliferation of primary MM and relapsed MM patient samples. It eliminates the proliferation and PI resistance induced by AHSA1 elevation.

Rosolutamide (ALZ-003) is a curcumin analog, an orally active Nrf1 and Nrf2 activator.Rosolutamide modulates oxidative homeostasis, improves mitochondrial function and promotes autophagy, reduces mutant protein aggregation, and decreases intracellular mitochondrial reactive oxygen species (ROS) levels.Rosolutamide has been used in the study of neurodegeneration such as spinal cerebellar ataxia and Huntington disease. neurodegenerative diseases such as Huntington's disease. Regulates oxidative homeostasis.

Tanespimycin (KOS 953) is an Hsp90 inhibitor (IC50=5 nM) and is selective. Tanespimycin depletes intracellular STK38 NDR1 and decreases STK38 kinase activity. Tanespimycin also downregulated stk38 gene expression.

Ganetespib (STA-9090) is a synthetic small-molecule inhibitor of heat shock protein 90 (Hsp90), exhibiting potential antineoplastic activity.

SNX0723 is a potent Hsp90 Inhibitor with anti-Plasmodium activity. SNX0723 shows high binding affinity for HsHsp90 and PfHsp90 with Kis of 4.4 and 47 nM, respectively. SNX0723 inhibits liver-stage P. berghei ANKA parasites with the EC50 of 3.3 μM.

CCT018159 is a 3,4-diarylpyrazole resorcinol, an ATP-competitive HSP90ATPase inhibitor that inhibits human Hsp90β and yeast Hsp90 with IC50s of 3.2 and 6.6 μM, respectively.CCT018159 inhibits key endothelial and tumor cell functions associated with invasion and angiogenesis. CCT018159 caused cellular inhibition associated with G1 phase block and induced apoptosis.

Arimoclomol (BRX-220 free base), a co-inducer of heat shock proteins (HSP), is utilized in studies on the treatment of amyotrophic lateral sclerosis (ALS).

VER-155008 is a potent Hsp70 family inhibitor with IC50 of 0.5 μM, 2.6 μM, and 2.6 μM in cell-free assays for HSP70, HSC70, and GRP78, respectively, >100-fold selectivity over HSP90.

Onalespib (AT13387) is a synthetic, orally bioavailable, small-molecule inhibitor of heat shock protein 90 (Hsp90) with potential antineoplastic activity. Onalespib selectively binds to Hsp90, thereby inhibiting its chaperone function and promoting the degradation of oncogenic signaling proteins involved in tumor cell proliferation and survival. Hsp90, a chaperone protein upregulated in a variety of tumor cells, regulates the folding, stability and degradation of many oncogenic signaling proteins.

Gedunin is an important limonoid present in several genera of the Meliaceae family, mainly in seeds. Gedunin is an Hsp90 inhibitor, and inhibits ovarian cancer cell proliferation.

Rifabutin (LM-427) inhibits bacterial DNA-dependent RNA polymerase, thereby suppressing the initiation of RNA formation and leading to inhibition of RNA synthesis and transcription. Rifabutin is a semisynthetic ansamycin antibiotic with potent antimycobacterial properties.

Grp94 Inhibitor-1 is a potent and selective inhibitor of Grp94 with an IC50 of 2 nM.