k562 cells

Daunorubicin hydrochloride (Rubidomycin hydrochloride), an anthracycline aminoglycoside antineoplastic, inhibits DNA replication and repair and RNA and protein synthesis.

Deoxynivalenol (Vomitoxin) is a mycotoxin produced by Fusarium spp. of the single trichothecene family and is commonly found in contaminated food and feed.Deoxynivalenol crosses the intestinal mucosa via a cellular bypass at the tight junctions.Deoxynivalenol transporters are unaffected by inhibitors of P-glycoprotein (PgP) or multidrug resistance-associated protein (MRP). Deoxynivalenol commonly causes diarrhea, vomiting, and gastrointestinal inflammation in humans and animals.

Puromycin dihydrochloride (CL13900 dihydrochloride) is a cinnamamide adenosine antibiotic and an inhibitor of protein synthesis. Puromycin dihydrochloride inhibits protein synthesis by binding to RNA and has antitumor and antitrypanosomal activity.

Thapsigargin is a natural product, an inhibitor of sarcoplasmic/endoplasmic reticulum Ca2+ ATPase (SERCA) and an endoplasmic reticulum stress inducer. Thapsigargin increases cytoplasmic calcium concentration by blocking the ability of cells to pump calcium into the sarcoplasmic and endoplasmic reticulum.

Chloroquine phosphate (Aralen phosphate) is an aminoquinoline antimalarial and also is widely used as an autophagy inhibitor. Chloroquine also is an inhibitor of toll-like receptors (TLRs).

Scutellarin (Scutellarein-7-glucuronide), an active flavone isolated from Scutellaria baicalensis, can inhibit RANKL-mediated MAPK and NF-κB signaling pathway in osteoclasts, and down-regulate the STAT3 Girdin Akt signaling in HCC cells.

6-Hydroxyadenosine (inosine oxime) is an endogenous metabolite that inhibits the growth and proliferation of HeLa and K562 cells and is further metabolised into inosine in HEK293 cells.

Icaritin (Anhydroicaritin) has hormone regulation activity and cardiovascular function improvement activity. Icaritin has anticancer activity, can induce S phase arrest and apoptosis, inhibit ENKL cell proliferation. Icaritin has anti-multiple myeloma activity, mainly mediated by inhibiting IL-6 JAK2 STAT3 signaling. Icaritin at low concentration (4 or 8 μMol L) can promote rat chondrocyte proliferation and inhibit cell apoptosis, while the effect of Icaritin on rat chondrocyte at high concentration was reversed.

Capsaicin is an active natural component found in chili peppers and acts as a TRPV1 agonist (EC50 = 0.29 μM). It possesses multiple activities, including pain relief, antitumor, anti-inflammatory, antioxidant, and neuroprotective effects, as well as some neurotoxicity. Capsaicin can be used to establish itch models.

Zapotin is a natural polyhydroxylated flavonoid that inhibits K562 cells, E. coli, and HIV-1 RT RNase H, exhibiting antioxidant, antiviral, antibacterial, anticonvulsant, anticancer, anxiolytic, antifungal, and antidepressant-like activities.

1. Crebanine iv 5mg/kg can eonvert BaCl_2-induced arrhythmia into sinus rhythm in rats, and can significantly increase the tolerant dose of aconitine to produce ventrieular fibrillation(VF) and cardiac arrest (CA) in rata. 2. Crebanine can also decrease t

Homoharringtonine (HHT) is a natural alkaloid that inhibits the translation of proteins and is cytotoxic. Homoharringtonine acts on the ribosomes of tumor cells to inhibit the elongation step of protein translation, thereby inhibiting protein synthesis, and has antitumor activity.

Reveromycin A is the major component of a complex of spiroketal antibiotics isolated from Streptomyces sp. It inhibits the mitogenic activity of epidermal growth factor in Balb MK cells (IC50 = 0.7 μg ml), displays antiproliferative activity against human KB and K562 tumor cell lines (IC50s = 1.9 and 1.6 μg ml, respectively), and demonstrates antifungal activity against C. albicans (MIC = 2 μg ml at pH 3). Reveromycin A also has been shown to inhibit bone resorption by inducing apoptosis in osteoclasts with an IC50 value of 0.7 μM.

Stachybotrysin B is a fungal metabolite originally isolated from S. chartarum and has antiviral and anticancer activities.1,2 It has antiviral activity against HIV in SupT1 cells (IC50 = 19.2 μM).1 Stachybotrysin B is cytotoxic to K562, HeLa, and HL-60 cells (IC50s = 21.72, 39.63, and 18.5 μM, respectively).2 |1. Zhao, J., Feng, J., Tan, Z., et al. Stachybotrysins A-G, phenylspirodrimane derivatives from the fungus Stachybotrys chartarum. J. Nat. Prod. 80(6), 1819-1826 (2017).|2. Ma, X.-h., Zheng, W.-m., Sun, K.-h., et al. Two new phenylspirodrimanes from the deep-sea derived fungus Stachybotrys sp. MCCC 3A00409. Nat. Prod. Res. 33(3), 386-392 (2018).

Anhydroepiophiobolin A is a sesterterpenoid fungal metabolite that has been found in B. oryzae. It is cytotoxic to HepG2 and K562 cells (IC50s = 47.1 and 35.6 μM, respectively) as well as A549, SKOV3, SK-MEL-2, XF498, and HCT15 cells (IC50s = 1.6-1.9 μg/ml). Anhydroepiophiobolin A is phytotoxic to S. viridis and D. erucoides in a leaf puncture assay.

Hygrolidin is a macrocyclic lactone originally isolated from S. hygroscopicus. It inhibits proliferation of a variety of cancer cell lines, including DLD-1 colon cancer, LNCaP prostate cancer, and K562 leukemia cells (IC50s = 2.9, 5.2, and 33 ng ml, respectively). Hygrolidin induces the expression and levels of p21 in DLD-1 cells, but not WI-38 fibroblasts, and leads to cell accumulation in the G1 and S phases without inducing apoptosis. It has antiparasitic activity against T. cruzi, L. donovani, and T. b. brucei but also induces cytotoxicity in HepG2 cells (IC50s = 1.1, 72.5, 77, and 24.5 nM, respectively).

1. Kirenol (Kirel) has anti-oxidant, anti-inflammatory, anti-allergic, and anti-arthritic activities. 2. Kirenol is effective against gram-positive bacteria. 3. Kirenol possesses antitumor action on human chronic myeloid leukemia K562 cells in vitro. 4. Kirenol is capable of promoting osteoblast differentiation in MC3T3-E1 cells through activation of the BMP and Wnt β-catenin signaling pathways. 5. Kirenol treatment reduces pro-inflammatory cytokine secretion, increases anti-inflammatory cytokine production, inhibits cell proliferation and induces apoptosis of CII-specific lymphocytes in vitro.

Oligomycin A (MCH 32) is an inhibitor of ATP synthase, inhibits oxidative phosphorylation and all the ATP-dependent processes occurring on the coupling membrane of mitochondria.

1. Oroxylin A (Baicalein 6-methyl ether) has various anti-tumor effects including apoptosis, cell cycle arrest, drug-resistant reversion. 2. Oroxylin A possesses abilities of inhibiting the ATRA-induced IL-6 production via modulation of LAP/LIP/CHOP in leukemia cell lines, which could providing a therapeutic strategy for RAS. 3. Oroxylin A inhibits UCP2s triggers the MPTP opening, and promotes the apoptosis in CaCo-2 cells; uncoupling protein 2 plays a key role in mitochondrial apoptotic pathway. 4. Oroxylin A inhibits N1ICD translocating to the nucleus and binding to epithelial-mesenchymal transition-related transcription factor Snail, thus suppressing the invasion and migration of MCF-7 cells. 5. Oroxylin A improves the sensitivity of K562/ADM cells by increasing apoptosis in leukemic cells and decreasing the expression of CXCR4 and PI3K/Akt/NF-κB pathway, and probably served as a most promising agent for CML treatment.

Tenacissoside I (Tenacissimoside B),Tenacissosides B, C and marsdenoside K inhibit the proliferation of Raji, NB4 and K562 cells in vitro significantly, in a dose and time dependent manner.

Protoneogracillin, a furostanol glycoside, exhibits anti-fungal activity against the plant pathogenic fungus P. oryzae (MMDC=94.0 μM) and cytotoxic activity against K562 cancer cells (IC 50 =6.6 μM) [1] [2].

Theasaponin E2, isolated from Camellia sinensis [1], exhibits cytotoxicity against K562 and HL60 cells with an IC50 of 14.7 μg mL.

Cochleamycin A exhibits strong inhibitory activity against tumor cells, with IC50 values (μg/mL) of 1.6, 14.0, 6.2, 16.5, and 19.1 for P388, HL60, K562, COL0205, and HT29 cells, respectively. Additionally, Cochleamycin A possesses activity against Gram-positive bacteria.

Lactoquinomycin A is a quinone antibiotic displaying activity against Gram-positive bacteria and some Gram-negative bacteria, though its efficacy is weaker against the latter and it is ineffective against fungi. It inhibits various cell lines, including lymphoma L5178Y progenitor cells, doxorubicin-resistant cells, bleomycin-resistant cells, human leukemia K562 cells, murine leukemia L-1210 cells, and murine leukemia P388 cells, with ID50 values (μg/mL) of 0.02, 0.006, 0.008, 0.033, 0.013, and 0.03, respectively.