246C10 is a synthesized ionizable lipid. 246C10 can be formulated into lipid nanoparticles (LNPs) with dioleoylphosphatidylethanolamine (DOPE), cholesterol, and C16-PEG2000 ceramide (PEG-lipid) as well as mRNA. The lipid nanoparticle formulations can be used for mRNA delivery. To obtain iLNPs that could specifically target liver sinusoidal endothelial cells (LSECs), six different ionizable lipids (241C10 to 246C10) were synthesized by an epoxide ring-opening reaction with piperazine- or piperidine-containing amines. Biodistribution and gene regulation of various iLNPs were assessed in vivo, and the results showed that the 246C10 iLNPs (containing piperazine amine) had the highest luciferase expression in the liver. When further analyzing the 246C10 iLNPs transfection efficiency in different types of liver cells, it was found that tdTomato fluorescence was mainly concentrated in hepatocytes, not in LSECs. Figure 6f shows that 80% of hepatocytes are fluorescent, 40% of LSECs are fluorescent, and 20% of Kupffer cells are fluorescent. Due to the mannose receptor on LSECs, mannose-PEG lipid was introduced into 246C10 iLNPs to alter the distribution of iLNPs in different liver cells. As shown in Figure 6g, tdTomato fluorescence distribution was 15% of hepatocytes, 70% of LSECs, and 15% of Kupffer cells, significantly improved the ability of iLNPs to actively target LSECs. In contrast, this work indirectly shows that the iLNPs with piperazine head lipid are more able to deliver mRNA to the liver and translate the target protein than the iLNPs with piperidine head lipid. It is worth mentioning that the preparation buffer of 246C10 iLNPs could influence the encapsulation efficiency of mRNA. With the addition of sodium chloride in the citrate buffer, the encapsulation efficiency of CRISPR-Cas9 mRNA and sgRNA was increased. These iLNPs were able to treat hemophilia safely, without causing hepatotoxicity, the immune response induced by Cas9 and off-target editing.

YSK 05 is a pH-sensitive cationic lipid. YSK 05 improves the intracellular trafficking of non-viral vectors. YSK 05-MEND shows significantly good gene silencing activity and hemolytic activity. YSK 05 overcomes the suppression of endosomal escape by PEGylation. YSK 05 effectively enhances siRNA delivery both in vitro and in vivo.

Elexacaftor, also known as VX-445 and WHO 11180, is a next-generation cystic fibrosis transmembrane conductance regulator (CFTR) corrector designed to restore Phe508del CFTR protein function in patients with cystic fibrosis when administered with tezacaftor and ivacaftor (VX-445–tezacaftor–ivacaftor).

A small molecule BDNF mimetic that act as a direct and specific partial agonist of TrkB (EC50=200-500 pM), but not p75.

Novel potent broad-spectrum antiviral inhibitor, showing excellent broad-spectrum inhibition activity against various pathogenic viruses, including hepatitis c virus (HCV), dengue virus (DENV), zika virus (ZIKV), Chikungunya virus (CHIKV), enterovirus 71

Hypocrellin B is an apoptosis inducer. The hypocrellins are pigments isolated from the fungi Hypocrella bambusae and Shiraia bambusicola. They are used as photosensitizers for photodynamic therapy of cancer.

LM10 is a potent inhibitor of tryptophan 2,3-dioxygenase (TDO). Tryptophan 2,3-dioxygenase (TDO) is an unrelated hepatic enzyme that also degrades tryptophan along the kynurenine pathway. LM10 has the potential for the research of cancer diseases.

A novel dual inhibitor of mTOR and DNA-PK with IC50 of 21 nM and 13 nM, respectively.

Quercetin, a natural flavonoid, is a stimulator of recombinant SIRT1 and also a PI3K inhibitor with IC50 of 2.4 μM, 3.0 μM and 5.4 μM for PI3K γ, PI3K δ and PI3K β, respectively.

PF-04455242 is a potent, selective κ-opioid receptor (KOR) antagonist with Ki of 3 nM/21 nM/22 nM for hKOR/rKOR/mKOR, respectively.

PF-04455242 is a potent, selective κ-opioid receptor (KOR) antagonist with Ki of 3 nM/21 nM/22 nM for hKOR/rKOR/mKOR, respectively.

Irreversible inhibitor of amiloride-sensitive Na channels; derivative of amiloride

T62 is an allosteric enhancer of A1 adenosine receptor.

Nrf2 acticatior AI-2 is a small-molecule inducer of the antioxidant response element (ARE) that activates and stabilizes Nrf2 by covalently modifying Keap1.

Defibrotide sodium is a complex mixture of single stranded polydeoxyribonucleotides. Defibrotide sodium has liver protection, anti-inflammatory, antithrombotic, profibrinolytic, and anti-ischemic properties. Defibrotide sodium can be used for sinusoidal obstruction syndrome (SOS)/veno-occlusive disease (VOD) research.

Remdesivir metabolite.Remdesivir blocks SARS-CoV and MERS-CoV in HAE cells with EC50s of both 74 Nm,and also showed potent activity blocking 2019-nCov(Coronavirus).

CK147 (CK-147) is a potent CD4 down-modulator with IC50 of 63 nM, inhibits Sec61-dependent cotranslational translocation of huCD4 in vitro.

CycLuc1 is a luciferase substrate which offers brighter bioluminescence and improved imaging in mouse models at lower doses than the standard D-luciferin.

Cyclic alkylaminoluciferin substrate for firefly luciferase

Bz-IEGR-pNA is a colorimetric substrate for Factor Xa.

2-Deoxy-2-fluoro-L-fucose, an L-fucose analog, is a fucosylation inhibitor. 2-Deoxy-2-fluoro-L-fucose inhibits de novo synthesis of GDP-fucose in mammalian cells. Fucosylation is a relatively well-defined biomarker for progression in many human cancers; for example, pancreatic and hepatocellular carcinoma.

Tiafenacil is a new protoporphyrinogen IX oxidase (PPO)-inhibiting herbicide, with IC50 values of 22 to 28 nM for various plant species, including amaranth (Amaranthus tuberculatus), soybean (Glycine max), arabidopsis (Arabidopsis thaliana), and rapeseed (Brassica napus).

LY3202626 is a small molecule non-selective BACE1 inhibitor, causes dose-dependent reductions in CSF and plasma Aβ concentrations, shows potential for the treatment of Alzheimer's disease..

Nalfurafine (TRK-820, TRK820) is potent, selective agonist of kappa-opioid receptor with Ki of 3.5 nM, 15-fold less potent for μOR and little affinity for δOR (Ki=53 and 1,200 nM, respectively).It is for research use only, and the end user must be the universities.

SPI-21 (Spt5-Pol II inhibitor 21) is a small-molecule inhibitor of Spt5-Pol II with IC50 of 25.2 uM.

GYS32661 (GYS 32661) is a potent Rac inhibitor capable of inhibiting both Rac1 and Rac1b, inhibited activated Rac1 with IC50 of 1.18 uM in in vitro pull-down assays.

Genz-644282, also known as SAR402674, is a non-camptothecin inhibitor of topoisomerase I with potential antineoplastic activity. Topoisomerase I inhibitor Genz-644282 binds to and inhibits the enzyme topoisomerase I, which may result in the inhibition of repair of single-strand DNA breaks, DNA replication, and tumor cell growth in susceptible tumor cell populations.

Difelikefalin (CR-845; FE-202845) is a peripherally restricted and selective agonist of kappa opioid receptor (KOR). Difelikefalin produces anti-inflammatory effects and has the potential in modulating pruritus in conditions such as chronic kidney disease[1][2].

CL2A-SN38 is a SN38 derivative with a peptide-linker which can easily react with antibody to form an antibody-drug conjugate (ADC). CL2A-SN-38 is composed of a potent a DNA Topoisomerase I inhibitor SN-38 and a linker CL2A to make antibody drug conjugate (ADC). CL2A-SN-38 provides significant and specific antitumor effects against a range of human solid tumor types. CL2A is a noncleavable complicated PEG8- and triazole-containing PABC-peptide-mc linker. CL2A is cleavable through pH sensitivity, giving rise to bystander effect, and binds the antibody at a cysteine residue via a disulfide bond. .

Pyrcoumin is a competitive inhibitor of dCTP pyrophosphatase 1 (dCTPP1, IC50=3.3 uM), inhibits Wnt signaling with IC50 of 8.4 uM in SuperTOPFlash reporter gene assays.