Abstract:
:Multidrug resistance (MDR) in cancer is a phenomenon in which administration of a single chemotherapeutic agent causes cross-resistance of cancer cells to a variety of therapies even with different mechanisms of action. Development of MDR against standard therapies is a major challenge in the treatment of cancer. Previously we have demonstrated a unique ability of CXL017 (5) to selectively target MDR cancer cells and synergize with mitoxantrone (MX) in HL60/MX2 MDR cells. Here we expand its scope and demonstrate that 5 can synergize with both vincristine and paclitaxel in three different MDR cell lines (HL60/DNR, K562/HHT300, and CCRF-CEM/VLB100). We also demonstrate that 5 has potent cytotoxicity in the NCI-60 panel of cell lines with an average IC(50) of 1.04 μM. In addition, 5 has a unique mechanism of action in comparison with standard agents in the NCI database based on COMPARE analysis. Further structure-activity relationship study led to the development of a more potent analogue, compound 7d, with an IC(50) of 640 nM in HL60/MX2. Additionally, one enantiomer of 5 is 13-fold more active than the less active enantiomer. Taken together, our study has led to the discovery of a series of analogues that selectively target drug-resistant cancer cells with the potential for the treatment of drug-resistant cancers.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Das SG,Srinivasan B,Hermanson DL,Bleeker NP,Doshi JM,Tang R,Beck WT,Xing Cdoi
10.1021/jm200764tsubject
Has Abstractpub_date
2011-08-25 00:00:00pages
5937-48issue
16eissn
0022-2623issn
1520-4804journal_volume
54pub_type
杂志文章abstract::A new and extensive set of 4-(6-iodo-H-imidazo[1,2-a]pyridin-2-yl)-N-dimethylbenzeneamine (IMPY) derivatives was synthesized and assayed for affinity toward human Abeta plaques. 6-Ethylthio- (12h), 6-cyano- (12e), 6-nitro- (12f), and 6-p-methoxybenzylthio- (15d) analogues were discovered to have high affinity (KI < 10...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0702231
更新日期:2007-09-20 00:00:00
abstract::The glucocorticoid receptor (GR) has been linked to therapy resistance across a wide range of cancer types. Preclinical data suggest that antagonists of this nuclear receptor may enhance the activity of anticancer therapy. The first-generation GR antagonist mifepristone is currently undergoing clinical evaluation in v...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.8b00743
更新日期:2018-09-13 00:00:00
abstract::The DEDDh family of exonucleases plays essential roles in DNA and RNA metabolism in all kingdoms of life. Several viral and human DEDDh exonucleases can serve as antiviral drug targets due to their critical roles in virus replication. Here using RNase T and CRN-4 as the model systems, we identify potential inhibitors ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.6b00794
更新日期:2016-09-08 00:00:00
abstract::A series of 4- aminobenzamides of some simple primary and secondary amines were prepared and evaluated for anticonvulsant effects. The compounds were tested in mice against seizures induced by electroshock and pentylenetetrazole ( metrazole ) and in the rotorod assay for neurologic deficit. For those N-alkyl amides te...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00372a013
更新日期:1984-06-01 00:00:00
abstract::Both HIV-EP1 (also called PRDII-BF1 or MBP-1), a zinc finger protein, and NF-kappa B, a Rel family protein, bind to kappa B site present in the enhancer of multiple cellular and viral genes involved in immune function and inflammatory response including HIV-1 LTR and human interferon beta gene. When cells are exposed ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00017a011
更新日期:1995-08-18 00:00:00
abstract::A series of homo- and heterodimeric ligands containing kappa agonist and mu agonist/antagonist pharmacophores joined by a linker chain of varying lengths was synthesized and evaluated in vitro by their binding affinity at mu, delta, and kappa opioid receptors. The functional activities of these compounds were measured...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm050577x
更新日期:2006-01-12 00:00:00
abstract::Serotonin (5-HT) binds with nearly identical affinity at the various central 5-HT binding sites. Few agents bind with selectivity for 5-HT1A sites. The beta-adrenergic antagonist propranolol binds stereoselectively both at 5-HT1A and 5-HT1B sites (with a several-fold selectivity for the latter) and, whereas it is a 5-...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00124a021
更新日期:1989-04-01 00:00:00
abstract::A series of branched-chain sugar isonucleosides was synthesized and evaluated for antiviral activity against herpesviruses. The preparation of homochiral [3S-(3 alpha, 4 beta, 5 alpha)]-2-amino-1, 9-dihydro-9-[tetrahydro-4,5-bis(hydroxymethyl)-3-furanyl]-6H-purin-6-one (7, BMS-181,164) and related compounds was stereo...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00061a013
更新日期:1993-04-30 00:00:00
abstract::The leukotrienes, metabolites of arachidonic acid produced through the action of the enzyme 5-lipoxygenase, are important mediators of immediate hypersensitivity and inflammation. Among the variety of diseases in which the leukotrienes may play a symptomatic or causative role is the dermatological condition psoriasis,...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00165a005
更新日期:1990-03-01 00:00:00
abstract::Protein-protein interfaces provide an important class of drug targets currently receiving increased attention. The typical design strategy to inhibit protein-protein interactions usually involves large molecules such as peptides and macrocycles. One exception is tranexamic acid (TXA), which, as a lysine mimetic, inhib...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm301818g
更新日期:2013-04-25 00:00:00
abstract::A series of structurally related mono- and bis-1,3-disubstituted 2-[(hydroxyimino)methyl]imidazolium halides were evaluated in vitro for their ability to reactivate electric eel, bovine, and human erythrocyte (RBC) acetylcholinesterases (AChE) inhibited by ethyl p-nitrophenyl methylphosphonate (EPMP) and 3,3-dimethyl-...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00122a034
更新日期:1989-02-01 00:00:00
abstract::A GABA(A) receptor study of several B-nor analogues of allopregnanolone and pregnanolone has been carried out. B-norallopregnanolone (i.e., 3alpha-hydroxy-7-nor-5alpha-pregnan-20-one) was found comparable to allopregnanolone when measured with labeled TBPS. Analogous results were obtained from their effect on neurons ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm060002f
更新日期:2006-06-01 00:00:00
abstract::A diverse range of chromen-2-one, chromen-4-one and pyrimidoisoquinolin-4-one derivatives was synthesized and evaluated for inhibitory activity against the DNA repair enzyme DNA-dependent protein kinase (DNA-PK), with a view to elucidating structure-activity relationships for potency and kinase selectivity. DNA-PK inh...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm049526a
更新日期:2005-01-27 00:00:00
abstract::A number of pyridazinone derivatives bearing an arylpiperazinylalkyl chain were synthesized and tested icv in a model of acute nociception induced by thermal stimuli in mice (tail flick). The most interesting and potent compound in this series was 6a, which showed an ED(50) = 3.5 microg, a value about 3-fold higher wi...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm900458r
更新日期:2009-12-10 00:00:00
abstract::Nitric oxide synthases (NOSs) comprise three closely related isoforms that catalyze the oxidation of L-arginine to L-citrulline and the important second messenger nitric oxide (NO). Pharmacological selective inhibition of neuronal NOS (nNOS) has the potential to be therapeutically beneficial in various neurodegenerati...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm4000984
更新日期:2013-04-11 00:00:00
abstract::Nicotine binds to nicotinic acetylcholine receptors (nAChR), which can exist as many different subtypes. The α4β2 nAChR is the most prevalent subtype in the brain and possesses the most evidence linking it to nicotine seeking behavior. Herein we report the use of mixture based combinatorial libraries for the rapid dis...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm401543h
更新日期:2013-12-27 00:00:00
abstract::Plasmodium falciparum lactate dehydrogenase (pfLDH) is a key enzyme for energy generation of malarial parasites and is a potential antimalarial chemotherapeutic target. It is known that the oxamate moiety, a pyruvate analog, alone shows higher inhibition against pfLDH than human LDHs, suggesting that it can be used fo...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm070336k
更新日期:2007-08-09 00:00:00
abstract::A series of Ala and Aoc analogues of (-)-ternatin were prepared, and their bioactivities were assessed by a fat-accumulation inhibition assay using 3T3-L1 adipocytes, which led to the discovery of key structure-activity relationships (SAR). ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm800741n
更新日期:2008-10-09 00:00:00
abstract::PABA/NO is a diazeniumdiolate of structure Me(2)NN(O)=NOAr (where Ar is a 5-substituted-2,4-dinitrophenyl ring whose 5-substituent is N-methyl-p-aminobenzoic acid). It has shown activity against human ovarian cancer xenografts in mice rivaling that of cisplatin, but it is poorly soluble and relatively unstable in wate...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm050700k
更新日期:2006-02-09 00:00:00
abstract::Recently, we reported the identification of a novel class of pregnane-X-receptor (PXR) agonists, solomonsterols A and B, isolated from the marine sponge Theonella swinhoei. Preliminary pharmacological studies demonstrated that these natural compounds are potential leads for the treatment of human disorders characteriz...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm200241s
更新日期:2011-07-14 00:00:00
abstract::Multifunctional ligands with agonist bioactivities at μ/δ opioid receptors (MOR/DOR) and antagonist bioactivity at the neurokinin-1 receptor (NK1R) have been designed and synthesized. These peptide-based ligands are anticipated to produce better biological profiles (e.g., higher analgesic effect with significantly les...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.5b01170
更新日期:2015-11-12 00:00:00
abstract::In an effort to determine the stereochemical requirements for pharmacological activity among the series of nonclassical cannabinoids synthesized at Pfizer, we have studied the conformational properties of the parent bicyclic analog CP-47,497. For this study, we have used a combination of solution NMR and theoretical c...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00036a006
更新日期:1994-05-13 00:00:00
abstract::A series of conformationally locked N-glycosides having a cis-1,2-fused pyranose-1,3-oxazoline-2-thione structure and bearing different substituents at the exocyclic sulfur has been prepared. The polyhydroxylated bicyclic system was built in only three steps by treatment of the corresponding readily available 1,2-anhy...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm3006178
更新日期:2012-08-09 00:00:00
abstract::The 5-fluoro and 8-fluoro analogues of trimetoquinol, TMQ, have been synthesized and evaluated for beta 2- and beta 1-adrenoceptor activity in guinea pig trachea and atria, respectively. The fluoro analogues of TMQ maintained potent beta 2-adrenoceptor agonist activity but had reduced beta 1-adrenoceptor agonist activ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00384a015
更新日期:1987-01-01 00:00:00
abstract::A previously outlined general procedure for preparing various 3-substituted cephalosporins from the penicillin nucleus has been used, with modifications where required, to prepare a series of analogues of cephalexin with various substituents in the 3-methyl group. The 3-substituents most conducive to broad-spectrum an...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00218a019
更新日期:1977-08-01 00:00:00
abstract::A novel class of 21-aminosteroids has been developed. Compounds within this series are potent inhibitors of iron-dependent lipid peroxidation in rat brain homogenates with IC50's as low as 3 microM. Furthermore, selected members enhance early neurological recovery and survival in a mouse head injury model. Significant...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00166a010
更新日期:1990-04-01 00:00:00
abstract::For establishment of the structure-activity relationship, 19 heterobicycle-coumarin conjugated compounds with the -SCH(2)- linker were synthesized and found to possess significant antiviral activities. Prominent examples included imidazopyridine-coumarin 12c, purine-coumarin 12d, and benzoxazole-coumarin 14c, which in...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm801240d
更新日期:2009-03-12 00:00:00
abstract::The scaffold concept was applied to systematically determine, analyze, and compare core structures of kinase inhibitors. From publicly available inhibitors of the human kinome, scaffolds and cyclic skeletons were systematically extracted and organized taking activity data, structural relationships, and retrosynthetic ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm501237k
更新日期:2015-01-08 00:00:00
abstract::A series of substituted benzenedisulfonamide carbonic anhydrase inhibitors is described and their anticonvulsant activities are listed. One compound, 4-(4-methoxypiperidinosulfonyl)-2-chlorobenzenesulfonamide (19, UK-12130), was found to have anticonvulsant activity in animals at a dose level that gave only a minimal ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00207a001
更新日期:1978-09-01 00:00:00
abstract::The 6-aminoglucosamine ring of the aminoglycoside antibiotic neomycin B (ring II) was conjugated to a 16-mer peptide nucleic acid (PNA) targeting HIV-1 TAR RNA. For this purpose, we prepared the aminoglucosamine monomer 15 and attached it to the protected PNA prior to its cleavage from the solid support. We found that...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm300253q
更新日期:2012-07-12 00:00:00