2. Signaling Pathways
  3. Cell Cycle/DNA Damage
    Cytoskeleton
  4. Microtubule/Tubulin

Microtubule/Tubulin

Microtubule/Tubulin

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Microtubules are a component of the cytoskeleton, found throughout the cytoplasm. These tubular polymers of tubulin can grow as long as 50 micrometres, with an average length of 25 µm, and are highly dynamic. The outer diameter of a microtubule is about 24 nm while the inner diameter is about 12 nm. Microtubules are found in eukaryotic cells and are formed by the polymerization of a dimer of two globular proteins, alpha and beta tubulin. Tubulin is one of several members of a small family of globular proteins. The tubulin superfamily includes five distinct families, the alpha-, beta-, gamma-, delta-, and epsilon-tubulins and a sixth family which is present only in kinetoplastid protozoa. The most common members of the tubulin family are α-tubulin and β-tubulin, the proteins that make up microtubules. Microtubules are very important in a number of cellular processes. They are involved in maintaining the structure of the cell.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-N12331
    Ohchinolide B
    		Inhibitor
    Ohchinolide B is a tubulin inhibitor. Ohchinolide B inhibits microtubule polymerization (IC50=2.3 μM) and induces G2/M phase cell cycle arrest via mitochondrial apoptotic pathways. Ohchinolide B is promising for research of solid tumors (e.g., breast, lung cancer).
    Ohchinolide B
  • HY-N17845
    3,3'-Dihydroxy-2,6-bis(4-hydroxybenzyl)-5-methoxybibenzyl
    		Inhibitor
    3,3'-Dihydroxy-2,6-bis(4-hydroxybenzyl)-5-methoxybibenzyl, a stilbenoid compound, is a tubulin inhibitor with an IC50 of 10 μM. 3,3'-Dihydroxy-2,6-bis(4-hydroxybenzyl)-5-methoxybibenzyl inhibits tubulin polymerization. 3,3'-Dihydroxy-2,6-bis(4-hydroxybenzyl)-5-methoxybibenzyl functions as a potentiator that potentiates SN-38 (HY-13704) cytotoxicity in BCRP-transduced cancer cells. 3,3'-Dihydroxy-2,6-bis(4-hydroxybenzyl)-5-methoxybibenzyl can be used for the study of breast cancer.
    3,3'-Dihydroxy-2,6-bis(4-hydroxybenzyl)-5-methoxybibenzyl
  • HY-W699620
    Isodienestrol
    		Inhibitor
    Isodienestrol, a Diethylstilbestrol (HY-14598) derivative, is a Microtubule inhibitor. Isodienestrol can be used for cancers research
    Isodienestrol
  • HY-169882A
    Tubulin inhibitor 49 hydrobromide
    		Inhibitor 99.12%
    Tubulin inhibitor 49 (Compound 18) hydrobromide is an inhibitor for tubulin polymerization with an IC50 of 48 μM. Tubulin inhibitor 49 hydrobromide disrupts the cell microtubule network, arrests the cell cycle at G2 phase, and exhibits cytotoxicity (IC50=8.8 μM in HeLa cell). Tubulin inhibitor 49 hydrobromide can be used in the research of cervical cancer.
    Tubulin inhibitor 49 hydrobromide
  • HY-151996
    Tubulin inhibitor 31
    		Inhibitor
    Tubulin inhibitor 31 is a potent tubulin inhibitor with an IC50 value of 4 μM. Tubulin inhibitor 31 shows anti-proliferative activity. Tubulin inhibitor 31 inhibits the HUVEC migration.
    Tubulin inhibitor 31
  • HY-155073
    Tubulin inhibitor 35
    		Inhibitor
    Tubulin inhibitor 35 (compound 6b) is a dual inhibitor of topoisomerase I (IC50=~50 μM) and tubulin polymerization (IC50=5.69 μM). Tubulin inhibitor 35 inhibits migration and invasion of MGC-803 and RKO cell lines，and induces apoptosis via arresting cell cycle at G2/M phase. Tubulin inhibitor 35 exhibis potent efficacy in gastrointestinal tumor inhibiton (inhibits MGC-803 (IC50=0.09 μM) and RKO (IC50=0.2 μM) cell lines).
    Tubulin inhibitor 35
  • HY-149376
    Tubulin inhibitor 38
    		Inhibitor
    Tubulin inhibitor 38 (compound 14) is a tetrazole-based Tubulin inhibitor with antiproliferative potencies. Tubulin inhibitor 38 (100 nM，24 h) mediates mitotic arrest，blocks cell cycle at G2/M phase and induces apoptosis. Tubulin inhibitor 38 exhibits high cytotoxicity with high selectivity index among HeLa，MCF7，and U87 MG cells.
    Tubulin inhibitor 38
  • HY-143250
    Tubulin inhibitor 12
    		Inhibitor
    Tubulin inhibitor 12 (Hit 9) is a novel tubulin inhibitor (IC50=25.3 μM). Tubulin inhibitor 12 shows anti-tumor activity and anti-proliferative activity.
    Tubulin inhibitor 12
  • HY-172111
    EGFR-IN-144
    		Inhibitor
    EGFR-IN-144 (Compound 4B) exhibits inhibitory activities against EGFR (IC50=0.639 µg/mL) and tubulin polymerization (IC50=7.339 µg/mL). EGFR-IN-144 exhibits cytotoxicity in multiple cancer cell with GI50 of nanomolare levels. EGFR-IN-144 downregulates the expressions of mTOR, TNF-α, and IL-6, arrests the cell cycle at G1/S phase, and induces apoptosis.
    EGFR-IN-144
  • HY-182478
    MDL-27048
    		Inhibitor
    MDL-27048, a tubulin inhibitor, binds competitively, reversibly to the Colchicine (HY-16569)-binding site on tubulin heterodimers. MDL-27048 inhibits microtubule assembly, induces slow depolymerization of preassembled microtubules, disrupts microtubule polymerization-depolymerization dynamics, and disrupts cytoplasmic microtubule networks. MDL-27048 exerts growth inhibitory effects on human cancer cells, induces mitotic arrest, and does not disrupt actin filaments at microtubule-depolymerizing concentrations. MDL-27048 can be used for the research of malignant tumors.
    MDL-27048
  • HY-178325
    Tubulin-IN-57
    		Inhibitor
    Tubulin-IN-57 is a Tubulin inhibitor. Tubulin-IN-57 is a potent antiproliferative agent that inhibits clonogenic formation, migration, and invasion of ovarian cancer cells. Tubulin-IN-57 inhibits tubulin polymerization, which in turn induces G2/M arrest and apoptosis in SKOV3 cells. Tubulin-IN-57 demonstrates potent antitumor activity without observable toxicity in an SKOV3 xenograft model. Y60S can be used for the study of ovarian cancer.
    Tubulin-IN-57
  • HY-147981
    Tubulin polymerization-IN-31
    		Inhibitor
    Tubulin polymerization-IN-31 (Compound 4c) is a tubulin polymerization inhibitor with an IC50 of 3.64 μM. Tubulin polymerization-IN-31 induces cancer cell apoptosis and shows antitumor activity.
    Tubulin polymerization-IN-31
  • HY-133207
    Myoseverin B
    		Inhibitor
    Myoseverin B is a microtubule assembly inhibitor capable of inhibiting the polymerization of tubulin (IC50 = 2 μM) and exhibiting low cytotoxicity in most cell types. Myoseverin B can be used in research as an antitumor agent.
    Myoseverin B
  • HY-100162
    TOK-8801
    		Inhibitor
    TOK-8801 is a synthesized dihydroimidazothiazole carboxamide and is under development as an immunomodulator.
    TOK-8801
  • HY-146135
    Tau-aggregation-IN-1
    		Inhibitor
    Tau-aggregation-IN-1 (Compound D-519) is a tau441 protein aggregation inhibitor with an IC50 of 21 µM. Tau-aggregation-IN-1 is also a dopamine D2 and D3 receptor agonist.
    Tau-aggregation-IN-1
  • HY-117473
    DAT-230
    		Inhibitor
    DAT-230 is a microtubule inhibitor. DAT-230 induces cell apoptosis and results in microtubule de-polymerization and G2/M phase arrest. DAT-230 inhibits cell growth in vitro and in vivo.
    DAT-230
  • HY-145827
    KIF18A-IN-4
    		Inhibitor
    KIF18A-IN-4 is a moderately potent ATP and microtubule (MT) noncompetitive KIF18A inhibitor (IC50=6.16 μM). KIF18A-IN-4 has selectivity against a large panel of mitotic kinesins and kinases, and does not show any direct effects on tubulin assembly. KIF18A-IN-4 exhibits anti-tumor activity.
    KIF18A-IN-4
  • HY-177021
    Tubulin-IN-51
    		Inhibitor
    Tubulin-IN-51 is an orally available, potent tubulin inhibitor (IC50 = 31 nM). Tubulin-IN-51 promotes tubulin polymerization in vitro and does not compete with Paclitaxel (HY-B0015) for binding. Tubulin-IN-51 inhibits the binding of Vinblastine (HY-13780) to tubulin. Tubulin-IN-51 downregulates the proportion of cells in the G1 phase and induces apoptosis. Tubulin-IN-51 inhibits tumor growth in multiple nude mouse xenograft models.
    Tubulin-IN-51
  • HY-147896
    Tubulin polymerization-IN-29
    		Inhibitor
    Tubulin polymerization-IN-29 (compound 6g) is a potent tubulin polymerization inhibitor. Tubulin polymerization-IN-29 exhibits potent antiproliferative activity. Tubulin polymerization-IN-29 can induce HeLa cells arrest in G2/M phase.
    Tubulin polymerization-IN-29
  • HY-151396
    Tubulin polymerization-IN-35
    		Inhibitor
    Tubulin polymerization-IN-35 is an inhibitor of [1,2]oxazoloisoindoles tubulin polymerization, demonstrates high selectivity against marginal zone lymphoma VL51 cell line.
    Tubulin polymerization-IN-35
Cat. No. Product Name / Synonyms Application Reactivity