Antifungal amphiphilic kanamycins: new life for an old drug.

abstract：:Intrinsic and acquired resistance to conventional and targeted therapeutics is a fundamental reason for treatment failure in many cancer patients. Targeted approaches to overcome chemoresistance as well as resistance to targeted approaches require in depth understanding of the underlying molecular mechanisms. The anti...

journal_title：MedChemComm

authors： Ferreira BI,Lie MK,Engelsen AST,Machado S,Link W,Lorens JB

更新日期：2016-10-21 00:00:00

abstract：:Tetrahydroisoquinoline (THIQ) is a key structural component in many biologically active molecules including natural products and synthetic pharmaceuticals. Here, we report on the use of transition-metal mediated [2 + 2 + 2] cyclotrimerisation of alkynes to generate tricyclic THIQs with potential to selectively inhibit...

journal_title：MedChemComm

authors： Santos ARN,Sheldrake HM,Ibrahim AIM,Danta CC,Bonanni D,Daga M,Oliaro-Bosso S,Boschi D,Lolli ML,Pors K

更新日期：2019-06-27 00:00:00

abstract：:New derivatives of aminoglycosides containing 6'-carboxylic acid or 6'-amide on their ring I were designed, synthesized and their ability to readthrough nonsense mutations was examined in vitro, along with the protein translation inhibition in prokaryotic and eukaryotic systems. The observed structure-activity relatio...

journal_title：MedChemComm

authors： Sabbavarapu NM,Pieńko T,Zalman BH,Trylska J,Baasov T

更新日期：2018-02-02 00:00:00

abstract：:The type III secretion system injectisome is a syringe-like multimembrane spanning nanomachine that is essential to the pathogenicity but not viability of many clinically relevant Gram-negative bacteria, such as enteropathogenic Escherichia coli, Salmonella enterica and Pseudomonas aeruginosa. Due to the rise in antib...

journal_title：MedChemComm

authors： Lyons BJE,Strynadka NCJ

更新日期：2019-06-20 00:00:00

abstract：:Three series of compounds were designed, synthesized and evaluated for their in vitro anticancer activity against a procaspase-3 over-expression cancer cell line (U937) and a procaspase-3 no-expression cancer cell line (MCF-7) to rule out off-target effects. Biological evaluation led to the identification of a series ...

journal_title：MedChemComm

authors： Ma J,Ni X,Gao Y,Huang K,Liu J,Wang Y,Chen R,Wang C

更新日期：2019-02-25 00:00:00

abstract：:A series of cyclic peptides were designed and prepared to investigate the physicochemical properties that affect oral bioavailabilty of this chemotype in rats. In particular, the ionization state of the peptide was examined by the incorporation of naturally occurring amino acid residues that are charged in differing r...

journal_title：MedChemComm

authors： Rand AC,Leung SS,Eng H,Rotter CJ,Sharma R,Kalgutkar AS,Zhang Y,Varma MV,Farley KA,Khunte B,Limberakis C,Price DA,Liras S,Mathiowetz AM,Jacobson MP,Lokey RS

更新日期：2012-10-01 00:00:00

abstract：:Transcriptomic phenotypes defined for melanoma have been reported to correlate with sensitivity to various drugs. In this study, we aimed to define a minimal signature that could be used to distinguish melanoma sub-types in vitro, and to determine suitable drugs by which these sub-types can be targeted. By using prima...

journal_title：MedChemComm

authors： Senses KM,Ghasemi M,Akbar MW,Isbilen M,Fallacara AL,Frankenburg S,Schenone S,Lotem M,Botta M,Gure AO

更新日期：2017-01-01 00:00:00

abstract：:Fungal infections directly affect millions of people each year. In addition to the invasive fungal infections of humans, the plants and animals that comprise our primary food source are also susceptible to diseases caused by these eukaryotic microbes. The need for antifungals, not only for our medical needs, but also ...

journal_title：MedChemComm

authors： Ngo HX,Garneau-Tsodikova S,Green KD

更新日期：2016-07-01 00:00:00

abstract：:The dopamine D3 receptor (D3R) is a proven therapeutic target for the treatment of neurological and neuropsychiatric disorders. In particular, D3R-selective ligands that can eliminate side effects associated with dopamine D2 receptor (D2R) therapeutics have been validated. However, the high homology in signaling pathw...

journal_title：MedChemComm

authors： Cao Y,Sun N,Zhang J,Liu Z,Tang YZ,Wu Z,Kim KM,Cheon SH

更新日期：2018-06-14 00:00:00

abstract：:A series of N-alkyl tethered C-5 functionalized bis-isatins were synthesized and evaluated for antimicrobial activity against pathogenic microorganisms. The preliminary evaluation studies revealed the compound 4t, with an optimal combination of bromo-substituent at the C-5 position of isatin ring along with propyl cha...

journal_title：MedChemComm

authors： Singh A,Nisha,Bains T,Hahn HJ,Liu N,Tam C,Cheng LW,Kim J,Debnath A,Land KM,Kumar V

更新日期：2017-01-01 00:00:00

abstract：:Rigidification of the isobutyl side chain of drug-like AT2 receptor agonists and antagonists that are structurally related to the first reported selective AT2 receptor agonist 1 (C21) delivered bioactive indane derivatives. Four enantiomer pairs were synthesized and the enantiomers were isolated in an optical purity >...

journal_title：MedChemComm

authors： Wallinder C,Sköld C,Sundholm S,Guimond MO,Yahiaoui S,Lindeberg G,Gallo-Payet N,Hallberg M,Alterman M

更新日期：2019-11-18 00:00:00

abstract：:A novel series of 2-pyrazoline derivatives were designed, synthesized, and evaluated for cholinesterase (ChE) inhibitory, Aβ anti-aggregating and neuroprotective activities. Among these, 3d, 3e, 3g, and 3h were established as the most potent and selective BChE inhibitors (IC50 = 0.5-3.9 μM), while 3f presented dual in...

journal_title：MedChemComm

authors： Unsal-Tan O,Tüylü Küçükkılınç T,Ayazgök B,Balkan A,Ozadali-Sari K

更新日期：2019-05-09 00:00:00

abstract：:Ecto-nucleotide pyrophosphatase/phosphodiesterase 1 (NPP1, EC 3.1.4.1) is a metalloenzyme that belongs to the NPP family, which comprises seven subtypes (NPP1-7). NPP1 hydrolyzes a wide range of phosphodiester bonds, e.g. in nucleoside triphosphates, (cyclic) dinucleotides, and nucleotide sugars yielding nucleoside 5'...

journal_title：MedChemComm

authors： Lee SY,Müller CE

更新日期：2017-02-09 00:00:00

abstract：:Herein we continued our previous work on the development of CB2 ligands, reporting the design and synthesis of a series of benzimidazole-containing derivatives that were explored as selective CB2 ligands with binding affinity towards both CB1 and CB2 receptors. Seven out of eighteen compounds exhibited preferential bi...

journal_title：MedChemComm

authors： Tonelli M,Cichero E,Mahmoud AM,Rabbito A,Tasso B,Fossa P,Ligresti A

更新日期：2018-10-10 00:00:00

abstract：:The high storage capacities and excellent biocompatibilities of zinc(ii) metal-organic frameworks (Zn-MOFs) have made them outstanding candidates as drug delivery carriers. Recent studies on the pH-responsive processes based on carrier-drug interactions have proven them to be the most efficient and effective way to co...

journal_title：MedChemComm

authors： Liu W,Pan Y,Xiao W,Xu H,Liu D,Ren F,Peng X,Liu J

更新日期：2019-10-17 00:00:00

abstract：:Based on the scaffold of astemizole, three novel turn-on fluorescent probes (N1-N3) for human ether-a-go-go-related gene (hERG) potassium channel were developed herein. These probes have reasonable fluorescence properties, acceptable cell toxicity, and potent inhibitory activity, all of which contribute to cell imagin...

journal_title：MedChemComm

authors： Zhang X,Liu T,Wang B,Gao Y,Liu P,Li M,Du L

更新日期：2019-02-26 00:00:00

abstract：:Receptor mediated gene delivery to the liver offers advantages in treating genetic disorders such as hemophilia and hereditary tyrosinemia type I (HTI). Prior findings demonstrated that tethering the d-galactose head group to cationic lipids directs genes to the liver via asialoglycoprotein receptors (ASGPRs). In our ...

journal_title：MedChemComm

authors： Muripiti V,Lohchania B,Marepally SK,Patri SV

更新日期：2017-12-06 00:00:00

abstract：:It was previously reported that 6β-aminomorphinan derivatives show high affinity for opiate receptors. Novel 6β-heteroarylamidomorphinanes were designed based on the MOR selective antagonist NAP. The 6β-aminomorphinanes were prepared with stereoselective Mitsunobu reaction and subsequently acylated with nicotinic acid...

journal_title：MedChemComm

authors： Urai Á,Váradi A,Szőcs L,Komjáti B,Le Rouzic V,Hunkele A,Pasternak GW,Majumdar S,Hosztafi S

更新日期：2017-01-01 00:00:00

abstract：:A combinatorial library of 6 × 106 cyclic peptides was synthesized in the one bead-two compound format, with each bead displaying a unique cyclic peptide on its surface and a linear peptide encoding tag in its interior. Screening of the library against K-Ras identified compounds that bound K-Ras with submicromolar aff...

journal_title：MedChemComm

authors： Wu X,Upadhyaya P,Villalona-Calero MA,Briesewitz R,Pei D

更新日期：2013-02-01 00:00:00

abstract：:To increase the diversity of estrogen receptor (ER) ligands having novel structures and activities, series of selenophene derivatives with a basic side chain (BSC) were synthesized and their biological activity as subtype-selective antagonists for the ER was explored. Compared with the selenophenes without a BSC, most...

journal_title：MedChemComm

authors： Luo J,Hu Z,Xiao Y,Yang T,Dong C,Huang J,Zhou HB

更新日期：2017-05-24 00:00:00

abstract：:A series of 4-thiazolidinone derivatives were synthesized and evaluated as novel human dihydroorotate dehydrogenase (hDHODH) inhibitors. Compounds 26 and 31 displayed IC50 values of 1.75 and 1.12 μM, respectively. The structure-activity relationship was summarized. Further binding mode analysis revealed that compound ...

journal_title：MedChemComm

authors： Zeng F,Qi T,Li C,Li T,Li H,Li S,Zhu L,Xu X

更新日期：2017-04-26 00:00:00

abstract：:Two diazabicyclo analogues of maraviroc, in which the azabicyclooctane moiety is replaced by diazabicyclooctane or diazabicyclononane, were synthesized and tested, through a viral neutralization assay, on a panel of six pseudoviruses. The diazabicyclooctane derivative maintained a significant infectivity reduction pow...

journal_title：MedChemComm

authors： Legnani L,Colombo D,Venuti A,Pastori C,Lopalco L,Toma L,Mori M,Grazioso G,Villa S

更新日期：2016-12-16 00:00:00

abstract：:The potential for carbon monoxide-releasing molecules (CO-RMs) as antimicrobials represents an exciting prospective in the fight against antibiotic resistance. Trypto-CORM, a tryptophan-containing manganese(i) carbonyl, is toxic against E. coli following photo-activation. Here, we demonstrate that Trypto-CORM is toxic...

journal_title：MedChemComm

authors： Ward JS,Morgan R,Lynam JM,Fairlamb IJS,Moir JWB

更新日期：2016-12-06 00:00:00

abstract：:The development of novel nanoscale vehicles for drug delivery promotes the growth of interest in investigations of interaction between nanomaterials. In this paper, we report the in vitro studies of eukaryotic cell physiological response to incubation with graphene oxide and planar kaolin nanoclay. Graphene family mat...

journal_title：MedChemComm

authors： Rozhina E,Batasheva S,Danilushkina A,Kryuchkova M,Gomzikova M,Cherednichenko Y,Nigamatzyanova L,Akhatova F,Fakhrullin R

更新日期：2019-06-10 00:00:00

abstract：:The cytotoxic drug gemcitabine (GEM) has been conjugated to receptor-binding peptides to target melanoma tumors. A hexapeptide having a Lys-Gly-His-Lys sequence (pep-1), an octapeptide with an Arg-Gly-Asp-Lys-Gly-His-Lys sequence (pep-2), a GEM-conjugated Lys-Gly-His-Lys peptide (GEM-pep-3) and a GEM-conjugated Asp-Gl...

journal_title：MedChemComm

authors： Gaonkar RH,Baishya R,Paul B,Dewanjee S,Ganguly S,Debnath MC,Ganguly S

更新日期：2018-03-06 00:00:00

abstract：:Covalent probes and drugs have found widespread use as research tools and clinical agents. Covalent probes are useful because of their increased intracellular potency and because covalent labeling of cellular proteins can be tracked using click chemistry. Covalent drugs, on the other hand, can overcome drug resistance...

journal_title：MedChemComm

authors： Kathman SG,Statsyuk AV

更新日期：2016-04-01 00:00:00

abstract：:Human African trypanosomiasis (HAT), also known as African sleeping sickness, is caused by parasitic protozoa of the genus Trypanosoma. As the disease progresses, the parasites cross the blood brain barrier and are lethal for the patients if the disease is left untreated. Current therapies suffer from several drawback...

journal_title：MedChemComm

authors： Berninger M,Schmidt I,Ponte-Sucre A,Holzgrabe U

更新日期：2017-07-31 00:00:00

abstract：:A library of 33 compounds was screened for potentiation of the antibiotic FR 900098 against the Francisella tularensis surrogate Francisella novicida. From the screen a highly potent 2-oxazoline adjuvant was discovered capable of potentiating FR 900098 with a 1000-fold reduction in MIC against the Francisella sub-spec...

journal_title：MedChemComm

authors： Stephens MD,Yodsanit N,Melander C

更新日期：2016-01-01 00:00:00

abstract：:The benzisoxazole analogs represent one of the privileged structures in medicinal chemistry and there has been an increasing number of studies on benzisoxazole-containing compounds. The unique benzisoxazole scaffold also exhibits an impressive potential as antimicrobial, anticancer, anti-inflammatory, anti-glycation a...

journal_title：MedChemComm

authors： Rakesh KP,Shantharam CS,Sridhara MB,Manukumar HM,Qin HL

更新日期：2017-10-31 00:00:00

abstract：:Bruton's tyrosine kinase (BTK) plays a critical role in B cell receptor (BCR)-mediated signaling pathways responsible for the development and function of B cells, which makes it an attractive target for the treatment of many types of B-cell malignancies. Herein, a series of N5-substituted 6,7-dioxo-6,7-dihydropteridin...

journal_title：MedChemComm

authors： Chen H,Song P,Diao Y,Hao Y,Dou D,Wang W,Fang X,Wang Y,Zhao Z,Ding J,Li H,Xie H,Xu Y

更新日期：2018-03-13 00:00:00