positive control

D-Saccharic acid 1,4-lactone hydrate is a potent β-glucuronidase inhibitor (IC50=48.4 μM) that possesses anticarcinogenic, detoxifying, and antioxidant properties[1][2].

ARM1 is a potent inhibitor of aminopeptidase and epoxide hydrolase. The IC50 values are 7.61 µM for aminopeptidase and 12.4 µM for epoxide hydrolase.

Bifenazate is a positive allosteric modulator of GABA receptor. Bifenazate is an acaricide that controls 100% of mites at a concentration of 25 ppm.

5'-pApA is a linearized form of cyclic di-AMP, a bacterial second messenger that activates the host innate immune system through stimulator of interferon genes (STING).1,2,3,4It is a metabolite of cyclic di-AMP formedviahydrolysis by various phosphodiesterases (PDEs).55'-pApA is intended for use as a negative control for cyclic di-AMP signaling. 1.Burdette, D.L., Monroe, K.M., Sotelo-Troha, K., et al.STING is a direct innate immune sensor of cyclic-di-GMPNature478(7370)515-518(2011) 2.Parvatiyar, K., Zhang, Z., Teles, R.M., et al.DDX41 recognizes bacterial secondary messengers cyclic di-GMP and cyclic di-AMP to activate a type I interferon immune responseNat. Immunol.13(12)1155-1161(2012) 3.Woodward, J.J., Iavarone, A.T., and Portnoy, D.A.c-di-AMP secreted by intracellular Listeria monocytogenes activates a host type I interferon responseScience328(5986)1703-1705(2010) 4.Witte, C.E., Whiteley, A.T., Burke, T.P., et al.Cyclic di-AMP is critical for Listeria monocytogenes growth, cell wall homeostasis, and establishment of infectionmBio4(3)e00282-00213(2013) 5.Fahmi, T., Port, G.C., and Cho, K.H.c-di-AMP: An essential molecule in the signaling pathways that regulate the viability and virulence of gram-positive bacteriaGenes (Basel)8(8)197(2017)

Givinostat (ITF-2357) is an HDAC inhibitor with IC50 values of 198 nM for HDAC1 and 157 nM for HDAC3.

MCA17-1 exhibits superior bioactivity compared to the positive control, obeticholic acid (OCA), in the treatment of liver fibrosis.

The growth factors, platelet-derived growth factor (PDGF) and basic fibroblast growth factor (bFGF) play major roles in enhanced smooth muscle cells growth in rodent blood vessels after vascular injury. Tyrosine kinase inhibition has been shown to be effective in blocking tyrosine phosphorylation at the PDGF and bFGF receptors in cultured fibroblast and vascular smooth muscle cells which in turn inhibits their proliferation[1]. CGP 53716 is a specific PDGFR tyrosine kinase inhibitor on SMC (smooth muscle cell) proliferation and migration in vitro and in neointimal formationin vivo[3]. CGP 53716 inhibited serum-induced cell growth in RASMC (rat aortic smooth muscle cells). And it completely blocked PDGF-BB tyrosine receptor autophosphorylation in RASMC and 3T3 cells, PDGF-BB-induced phosphorylation of mitogen-activated protein kinase at 1 μM in RASMC and inhibited PDGF-BB-induced c-Fos protein expression at 1 μM in RASMC; consistent with inhibition of PDGF-BB-induced DNA synthesis. Further, CGP 53716 inhibited PDGF-BB-, bFGF- and EGF-induced DNA synthesis in a concentration-dependent manner in each cell line. And it showed a 2- to 4-fold selectivity for PDGF-BB-stimulated DNA synthesis over bFGF or EGF in RASMC or 3T3 cells[1]. CGP 53716 inhibited dose dependently tyrosine phosphorylation of both the known PDGFRs: the PDGFR-α and PDGFR-β. After rat carotid artery ballooning injuryin vivo, the migration of alpha-actin-positive cells on the luminal side of internal elastic lamina was decreased with 50 mg kg day of CGP 53716 from 38 ± 10 (control group) to 4 ± 2. Intima media ratio was inhibited by 40% after 14 days in the CGP 53716-treated group (P=0.028) after rat aortic denudation[3].

DC-120 is an ATP competitive AKT kinase inhibitor that suppressed proliferation and induced apoptosis in liver cancer cells both in vitro and in vivo. DC120 blocked the phosphorylation of downstream molecules in the AKT signal pathway in dose- and time-dependent manners both in vitro and in vivo. DC120 inhibits AKT activity in vitro with an EC(50) of 153 nM. DC120 at 20 mg kg day inhibited the CNE2 xenograft tumor growth with a treated group control group ratio of 38.1%, accompanied by increasing terminal deoxynucleotidyl transferasedUTP nick-end labeling-positive cells in the tumor sample.

RatIgG2bkappa, Isotype Control, is an IgG2bκ antibody isotype control derived from rats. It is employed to minimize or eliminate false positive results caused by non-specific binding.

4-O-Galloylbergenin shows significant 2,2-diphenyl-1-picrylhydrazyl (DPPH) free-radical scavenging activity with EC50 7.8 uM, it shows more antioxidant activity than the positive control vitamin C (EC50 = 28.3 uM).

Torilin and torilolone show hepatoprotective effects on tacrine-induced cytotoxicity in human liver-derived Hep G2 cells,the EC50 values are 20.6 +/- 1.86 and 3.6 +/- 0.1 microM, respectively; and silybin as a positive control shows an EC50 value of 69.0

EBVBZLF1 (190-197) is an immunodominant CEF control peptide derived from the Epstein-Barr virus (EBV). It serves as a suitable epitope for CD8+ T cells, facilitating the release of IFNg. The CD8 positive cytotoxic T lymphocytes (CTL) response to EBVBZLF1 (190-197) is diverse, capable of cross-recognizing similar peptide sequences from both host self-proteins and bacterial proteins. This peptide is also utilized in research on autoimmune diseases.

Acetylated-BSA is a well-characterized polypeptide with strong antigenic properties. It can elicit a significant immune response, thus validating the accuracy and reliability of experimental methods. Ac-BSA serves as a positive control in ELISA or WB experiments, particularly in assays involving acetylated lysine monoclonal or polyclonal antibodies. Additionally, it enhances encapsulation efficiency at low PLGA concentrations, with PLGA being a biocompatible, degradable, and controlled-release polymer used in drug delivery.