Lymphoid-specific tyrosine phosphatase(LYP),as a member of lymphoid tyrosine phosphatase(PTPs) family,encoded by PTPN22,becomes a hit target for panel autoimmune disease *** find allosteric inhibitor NCl,which can...
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Lymphoid-specific tyrosine phosphatase(LYP),as a member of lymphoid tyrosine phosphatase(PTPs) family,encoded by PTPN22,becomes a hit target for panel autoimmune disease *** find allosteric inhibitor NCl,which can lock the catalytic WPD-loop and targeting a LYP-specific insert,showing the non-competitive inhibiting pattern compared to other traditional LYP inhibitor because WPD-Loop in LYP is unique within PTPs family and its conformation change influents the dephosphorylation activity of *** on the structual biology results,further structual modification were performed and a series of hydantoin compounds were synthesized.
Studies have shown that high level of monoamine oxidase A(MAOA) which commonly used to treat neurological conditions such as depression promoted growth of high grade prostate cancer(PCa) progression,and the inhibi...
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Studies have shown that high level of monoamine oxidase A(MAOA) which commonly used to treat neurological conditions such as depression promoted growth of high grade prostate cancer(PCa) progression,and the inhibitor of MAOA,such as clorgyline,induced apoptosis of cancer cells in PCa *** findings suggest that antidepressant drugs that target MAOA may have applications in treating prostate *** we developed conjugates that combine a series of novel near-infrared(NIR) heptamethine indocyanine dyes for tumor targeting with the MAOA inhibitor isoniazide(INH).The results showed that some of them possessed prominent anti-tumor activity in PC3 ***,the combination of NIR dye specifically targeted tumor and MAOA inhibitor INH is an useful strategy and warrant further investigation.
Natural products are the sources of drug *** than half of the approved drugs are natural products,natural product mimics,or natural product inspired *** our efforts to discover novel agents to treat resistant bacteria...
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Natural products are the sources of drug *** than half of the approved drugs are natural products,natural product mimics,or natural product inspired *** our efforts to discover novel agents to treat resistant bacterial infections or cancers,we have been focusing on the total synthesis and SAR studies of biological active natural products,including aetheramide,dictyodendrins,nannocystin,scrabrosins and ***,we have completed the first total synthesis of albomycins,natural antibiotics initially isolated in *** the three natural albomycins,82 exhibited low nanomolar antibacterial activities against both G-positive and G-negative *** 82 showed excellent safety profile in cells and animals,and is a promising lead for developing novel *** synthesis and SAR studies on albomycins and other naturals products in our laboratory shall be reported.
Chalcones have a wide range of biological activities such as anti-tumor,anti-virus,anti-oxidation and so *** novel chalcone compound(1) has a tubulin inhibitory *** on compound(1),our group has synthesized a serie...
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Chalcones have a wide range of biological activities such as anti-tumor,anti-virus,anti-oxidation and so *** novel chalcone compound(1) has a tubulin inhibitory *** on compound(1),our group has synthesized a series of novel chalcone-1,2,3-triazoIe derivatives and evaluated their antiproliferative activity against three cancer cell lines(SK-NSH,EC-109 and MGC-803).Among all analogues,compound(2) showed the most excellent antiproliferative activity with an IC value of 1.52 μM against SK-N-SH cancer *** mechanistic studies have shown that compound(2) may induce morphological changes in SK-N-SH cancer cells by inducing apoptosis.
4-substituted coumarins are very effective inhibitors against tumor-associated isoforms carbonic anhydrases Ⅸ(CAIX) in the submicromolar ***,we focus on both hydrophobic and hydrophilic halves of the CA active site...
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4-substituted coumarins are very effective inhibitors against tumor-associated isoforms carbonic anhydrases Ⅸ(CAIX) in the submicromolar ***,we focus on both hydrophobic and hydrophilic halves of the CA active site *** coumarin moiety will generally adopt a conformation to interact with the hydrophobic half;similarly,the triazole and the benzoyl aniline moieties will generally interact with the hydrophilic *** to this strategy,several new compounds containing 4-substituted coumarin moiety were synthesized and had moderate anticancer activity against breast MDA-MB-231 cancer cell *** all of them revealed general promotion on cytotoxicity under ***,5 e displayed the most prominent anticancer activities of this series compounds with IC value of 0.0289μ***,the results of docking analysis showed that CA Ⅸwas likely to be one of the targets.
Though enmein-type 6,7-seco-ent-kaurane diterpenoids exhibited promising activities with attractive skeletons,their natural contents were limited and difficult to be isolated from natural sources in large *** solve th...
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Though enmein-type 6,7-seco-ent-kaurane diterpenoids exhibited promising activities with attractive skeletons,their natural contents were limited and difficult to be isolated from natural sources in large *** solve the shortage of large-scale compounds supply,convenient and feasible methods have been established to construct the enmein-type skeleton diterpenoid from natural *** order to improve the efficacy,we synthesized several series of enmein-type diterpenoid hybrids coupled with nitrogen mustards and NO *** molecules showed improved antitumor effects and reduced systemic ***,the apoptosis related mechanisms were also ***,enmein-type diterpenoid hybrids expected to become potential chemotherapeutic agents for tumor.
We report a facile method access to 1-indanones and a series of derivatives were synthesized,Cu-catalyzed intramolecular annuiation reactions starting from the corresponding 2-ethynylbenzaldehyde for the first *** pro...
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We report a facile method access to 1-indanones and a series of derivatives were synthesized,Cu-catalyzed intramolecular annuiation reactions starting from the corresponding 2-ethynylbenzaldehyde for the first *** protocols provided a direct,convenient and atom-economical synthetic approach to afford 1-indanones derivatives under mild conditions in good to excellent *** addition to,to form the 2-benzylidene-1 H-indenel,3(2 H)-dione by a two-step,which showed a antibacterial,antifungal,anti-inflammatory activity.
Among a large variety of nitrogen-containing heterocyclic compounds,heterocyclic containing hydrazine has received considerable attention because of their pharmacological properties and clinical *** ring was an import...
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Among a large variety of nitrogen-containing heterocyclic compounds,heterocyclic containing hydrazine has received considerable attention because of their pharmacological properties and clinical *** ring was an important bioactive core found in many agents of biological as anti-convulsive,anti-inflammatory,anti-tumor and vascular endothelial growth factor receptor(VEGFR-2) *** base fragments are also frequently used in the synthesis of anti-tumor small *** this paper,phthalic anhydride as a starting material,through cyclization,chlorination,substitution and condensation reactions to get a series of target compounds were designed and *** the compounds have been confirmed by H-NMR、C-NMR and ***,the anti-tumor activity of these compounds are being tested.
A new Pt(II) complex of 9-PMAH was synthesized and fully characterized by IR,elemental analysis,ESI-MS and single-crystal X-ray diffraction *** bioactivity experiment was demonstrated by DNA binding and anticancer act...
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A new Pt(II) complex of 9-PMAH was synthesized and fully characterized by IR,elemental analysis,ESI-MS and single-crystal X-ray diffraction *** bioactivity experiment was demonstrated by DNA binding and anticancer activity,*** DNA binding study showed that the Pt(II) complex interacted with ct-DNA mainly via an intercalative binding mode,which was confirmed by the fluorescence spectral analysis and agarose gel *** in vitro cytotoxicity of the Pt(II) complex was higher than 9-PMAH,but some lower than cisplatin against most tumor cell lines,in which MGC-803 was the most sensitive tumor cell line,with IC50 value of 9.15 0.83 uM.
Human diseases involve an abnormal condition of a part,organ,or system of an organism resulting from various causes,such as tropical infection,chemoresistance,or cancers,and characterized by an identifiable group of s...
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Human diseases involve an abnormal condition of a part,organ,or system of an organism resulting from various causes,such as tropical infection,chemoresistance,or cancers,and characterized by an identifiable group of signs and *** the present study,we describe the discovery and synthesis of potent inhibitors of SjGST capable of occupying the active site of the enzyme by a structure-based drug design *** is one of the most frequent and lethal diseases that terribly threaten human's *** mortality of the majority cancer patients(> 90%) is due to the occurrence of metastasis rather than their primary ***,the development of therapeutic agents that inhibit tumor metastasis is highly *** of effective antimetastatic agents for clinical use based on the ST inhibitor design is addressed in this investigation.
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