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Salidroside is a bioactive phenolic glycoside compound isolated from Rhodiola rosea and is a prolyl endopeptidase inhibitor. Salidroside can alleviate cachexia symptoms in a tumor cachexia mouse model by activating mTOR signaling and protect dopaminergic neurons by enhancing PINK1/Parkin-mediated mitochondrial autophagy. Salidroside can also inhibit the growth of cancer cells by regulating the CDK4-cyclin D1 pathway to block the G1 phase and/or regulating the Cdc2-cyclin B1 pathway to block the G2 phase.

Oroxylin A 7-O-β-d-glucuronide and wogonoside should also be served as the chemical markers together with baicalin for the quality control of herbs and proprietary traditional Chinese medicine (PTCM) products of radix Scutellariae. Oroxylin A 7-O-glucuronide, Oroxin A, and Oroxin B can bind to the "stem" region of α-hemolysin (α-HL), when inhibiting the hemolytic activity of α-HL. Oroxylin A 7-O-glucuronide and 4', 5, 7-trihydroxy-6-methoxyflavone at a concentration of 100 microM inhibit 34 and 43% of total prolyl oligopeptidase (POP) activity, respectively.

KYP-2047 is a very potent, selective Prolyl oligopeptidase (POP) inhibitor.

BR102910 (4-Thiazolecarboxamide, N-[2-[(2S)-2-cyano-4,4-difluoro-1-pyrrolidinyl]-2-oxoethyl]-2-[(3,4-dichlorophenyl)methyl]-) is a selective inhibitor of fibroblast activated protein (FAP).

Linderene acetate is a competitive inhibitor against Prolyl endopeptidase.

2,5-Diphenyloxazole (PPO; DPO; POP) is a fluorescent dye that can be utilized as a scintillator.

POP-IN-1 (Compound 12h) is an effective POP inhibitor (Ki=0.009 μM) with research potential in neurodegenerative diseases and cancer progression.

POP-IN-2 (Compound 7k) is a potent covalent inhibitor of prolyl oligopeptidase (POP) with a Ki of 6 nM, suitable for neurodegenerative disease and cancer research.

1-Phenethyl-4-propionyloxypiperidine is a compound structurally similar to known opioid drugs and is a by-product in the synthesis of fentanyl.

POP-3MB (compound 1b) acts as an inhibitor of ICMT, displaying an IC50 value of 2.5 μM. This compound not only alters the subcellular localization of K-Ras but also impedes Ras activation and inhibits Erk phosphorylation [1].

β-Elemonic Acid (3-Oxotirucallenoic Acid) exhibits anti-inflammatory effects. Beta-Elemonic acid inhibits proliferation by inducing hypoploid cells and cell apoptosis, the anticancer effects of beta-Elemonic acid are related to the MAPK signaling pathway, ROS activation and glutathione depletion in human A549 lung cancer cells. Beta-Elemonic acid exhibits prolyl endopeptidase inhibitory activities.

Lipopolysaccharides (LPS), derived from Escherichia coli O55:B5, are essential components of the outer membrane of Gram-negative bacteria. Composed of lipid A, a core oligosaccharide, and an O-specific polysaccharide, LPS exhibits strong immunogenicity. It activates immune cells via the TLR4 receptor, induces chemotactic cell migration and cytokine secretion, and helps maintain the integrity of the bacterial outer membrane, protecting against bile salts and lipid-based antibiotics. LPS is commonly used to establish inflammatory models, including arthritis, chronic obstructive pulmonary disease (COPD), acute respiratory distress syndrome (ARDS), and gastrointestinal disease models.

Apoptozole (Apoptosis Activator VII) inhibits the ATPase domain of Hsc70 and Hsp70, inducing apoptosis.

SPOP-IN-6b is an effective inhibitor of speckle-type POZ protein (SPOP) with an IC50 of 3.58 μM and can be used in stuides about the treatment of renal cancer.

SPOP-IN-6lc is a potent SPOP inhibitor with multiple roles in cancer, oncostatic in a variety of tumors, but functions as an oncogene in renal cancer.SPOP-IN-6lc can be used to study cell signaling and apoptosis.

POPSO is an amphoteric ion biological buffer with an effective buffering range of pH 7.0 to 8.5, used as a buffer for HPLC mobile phases and widely applied in cell biology experiments.

Populin (Populine) is a phenolic glycoside compound derived from ciliated poplar with antioxidant activity.

Populoside is a useful organic compound for research related to life sciences. The catalog number is T125159 and the CAS number is 26632-35-9.

Poppy acid is a useful organic compound for research related to life sciences and the catalog number is T131392.

Epoprostenol sodium (Prostaglandin I2 sodium salt) is a short-acting vasodilator, a synthetic prostacyclin, and can be used to study pulmonary hypertension and congestive heart failure.

TPOP146 is a selective CBP/P300 benzoxazepine bromodomain inhibitor with Kd values of 134 nM for CBP and 5.02 μM for BRD4.

Apoptosisinducer 26 (compound [AgCl(dap2SH)(PPh3)2]) is a mononuclear Ag(I) ligand-based autophagy inducer that exhibits antibacterial and anticancer activities against various bacterial strains and cancer cell lines. This compound facilitates the accumulation of Ag(I) ions in the periphery of bacteria, effectively inhibiting the growth of both Gram-positive (+) and Gram-negative (-) bacteria. Additionally, Apoptosisinducer 26 can intercalate between the base pairs of CT DNA, inducing apoptosis in A549 cells. It also possesses radical scavenging properties, which helps prevent oxidative stress.

Apoptosisinducer 24 (Compound 4) inhibits the proliferation of gastric cancer cells with an IC50 range of 1.2-4.8 μM. It arrests the cell cycle at the G2/M phase, induces apoptosis in BGC-823 cells, and causes mitochondrial dysfunction. In mice, Apoptosisinducer 24 exhibits antitumor activity without significant toxicity, having an LD50 of 91.2 mg/kg.

Apoptosisinducer 25 (Compound 4H) demonstrates potent anticancer capabilities by inhibiting the proliferation of BGC-823 cancer cells with an IC50 of 0.37 μM. It induces apoptosis in BGC-823 cells, causes mitochondrial dysfunction, and arrests the cell cycle at the G2/M phase. Additionally, Apoptosisinducer 25 exhibits favorable pharmacokinetic properties in rats.