Optimizing PK properties of cyclic peptides: the effect of side chain substitutions on permeability and clearance().

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：:Periodontal disease is an oral chronic immune-inflammatory disease highly prevalent worldwide that is initiated by specific oral bacterial species leading to local and systemic effects. The development of new preventive/therapeutic strategies to specifically target oral periodontopathogens without perturbing oral micr...

journal_title：MedChemComm

authors： Thamban Chandrika N,Fosso MY,Alimova Y,May A,Gonzalez OA,Garneau-Tsodikova S

更新日期：2019-06-10 00:00:00

abstract：:Bile acids have emerged as strong signaling molecules capable of influencing various biological processes like inflammation, apoptosis, cancer progression and atherosclerosis depending on their chemistry. In the present study, we investigated the effect of major hydrophobic bile acids lithocholic acid (LCA) and deoxyc...

journal_title：MedChemComm

authors： Kundu S,Bansal S,Muthukumarasamy KM,Sachidanandan C,Motiani RK,Bajaj A

更新日期：2017-10-31 00:00:00

abstract：:In the last three decades, protein and nucleic acid structure determination and comprehension of the mechanisms, leading to their physiological and pathological functions, have become a cornerstone of biomedical sciences. A deep understanding of the principles governing the fates of cells and tissue at the molecular l...

journal_title：MedChemComm

authors： Bernetti M,Cavalli A,Mollica L

更新日期：2017-01-30 00:00:00

abstract：:A series of indole derivatives was designed and synthesised to improve on activity and circumvent pharmacokinetic limitations experienced with the structurally related compound, ladostigil. The compounds consisted of a propargylamine moiety (a known MAO inhibitor and neuroprotector) at the N1 position and a ChE inhibi...

journal_title：MedChemComm

authors： Denya I,Malan SF,Enogieru AB,Omoruyi SI,Ekpo OE,Kapp E,Zindo FT,Joubert J

更新日期：2018-01-16 00:00:00

abstract：:We used quantum mechanics/molecular mechanics calculations to test if antimalarial primaquine (PQ) and its derivatives aid the conversion of hemoglobin to methemoglobin by binding to hemoglobin and merely lowering hemoglobin's ionization potential (IP). Our results showed that PQ and its derivatives do not significant...

journal_title：MedChemComm

authors： Liu H,Ding Y,Walker LA,Doerksen RJ

更新日期：2013-08-01 00:00:00

abstract：:A novel and simplified synthetic scaffold based on pladienolide was designed using a consensus pharmacophore hypothesis. An initial target was synthesized and evaluated to examine the role of the 3-hydroxy group and the methyl groups present at positions 10, 16, 20, 22 in 1, on biological activity. We report the first...

journal_title：MedChemComm

authors： Gundluru MK,Pourpak A,Cui X,Morris SW,Webb TR

更新日期：2011-01-01 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：: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 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：: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：:Potent, selective, and cell active small molecule kinase inhibitors are useful tools to help unravel the complexities of kinase signaling. As the biological functions of individual kinases become better understood, they can become targets of drug discovery efforts. The small molecules used to shed light on function ca...

journal_title：MedChemComm

authors： Wells CI,Kapadia NR,Couñago RM,Drewry DH

更新日期：2017-12-08 00:00:00

abstract：:Tuberculosis is an ever-evolving infectious disease that urgently needs new drugs. In the search for new antituberculosis agents, a library of 3-cinnamoyl-4-hydroxy-6-methyl-2H-pyran-2-ones (CHPs) (2a-2y) was synthesized and evaluated against a standard virulent laboratory strain of Mycobacterium tuberculosis H37Rv. O...

journal_title：MedChemComm

authors： Bhat ZS,Ul Lah H,Rather MA,Maqbool M,Ara T,Ahmad Z,Yousuf SK

更新日期：2017-12-06 00:00:00

abstract：:Urinary tract infections (UTIs) are amongst the most common and prevalent infectious diseases worldwide, with uropathogenic Escherichia coli (UPEC) reported as the main causative pathogen. Fluoroquinolone antibiotics are commonly used to treat UTIs but for infections involving UPEC biofilms, which are commonly associa...

journal_title：MedChemComm

authors： Verderosa AD,Harris J,Dhouib R,Totsika M,Fairfull-Smith KE

更新日期：2019-02-25 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：: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：:N-Acylethanolamine acid amidase (NAAA) is one of the key enzymes involved in the degradation of fatty acid ethanolamides (FAEs), especially for palmitoylethanolamide (PEA). Pharmacological blockage of NAAA restores PEA levels, providing therapeutic benefits in the management of inflammation and pain. In the current wo...

journal_title：MedChemComm

authors： Zhou P,Xiang L,Zhao D,Ren J,Qiu Y,Li Y

更新日期：2018-12-18 00:00:00

abstract：:2-Arylethynyl derivatives of (N)-methanocarba adenosine 5'-uronamides are selective A3AR (adenosine receptor) agonists. Here we substitute a 1,2,3-triazol-1-yl linker in place of the rigid, linear ethynyl group to eliminate its potential metabolic liability. Docking of nucleosides containing possible short linker moie...

journal_title：MedChemComm

authors： Tosh DK,Paoletta S,Chen Z,Crane S,Lloyd J,Gao ZG,Gizewski ET,Auchampach JA,Salvemini D,Jacobson KA

更新日期：2015-01-01 00:00:00

abstract：:Classical aminoglycoside antibiotics are obsolete or hampered by the emergence of drug resistant bacteria. Recent discoveries of antifungal amphiphilic kanamycins offer new strategies for reviving and repurposing these old drugs. A simple structural modification turns the clinically obsolete antibacterial kanamycin in...

journal_title：MedChemComm

authors： Subedi YP,AlFindee MN,Takemoto JY,Chang CT

更新日期：2018-04-17 00:00:00

abstract：:Many reports have suggested that NRP-1 acts as a co-receptor for VEGF-A165 and boosts tumour growth and metastasis. This NRP-1, due to its important role in tumour progression, triggered interest in the design of new molecules able to significantly inhibit NRP-1/VEGF-A165 interaction to suppress pathological angiogene...

journal_title：MedChemComm

authors： Puszko AK,Sosnowski P,Tymecka D,Raynaud F,Hermine O,Lepelletier Y,Misicka A

更新日期：2019-01-25 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：:Recognition of nucleosides at adenosine receptors (ARs) is supported by multiple X-ray structures, but the structure of an adenine complex is unknown. We examined the selectivity of predicted A1AR and A3AR adenine antagonists that incorporated known agonist affinity-enhancing N6 and C2 substituents. Adenines with A1AR...

journal_title：MedChemComm

authors： Yu J,Mannes P,Jung YH,Ciancetta A,Bitant A,Lieberman DI,Khaznadar S,Auchampach JA,Gao ZG,Jacobson KA

更新日期：2018-10-18 00:00:00

abstract：:A new iron(iii) complex with 5,7-dichloro-2-methyl-8-quinolinol (HClMQ) as ligands, i.e., [Fe(ClMQ)2Cl] (1), was synthesized and evaluated for its anticancer activity. Compared to the HClMQ ligand, complex 1 showed a higher cytotoxicity towards a series of tumor cell lines, including Hep-G2, BEL-7404, NCI-H460, A549, ...

journal_title：MedChemComm

authors： Zou BQ,Qin QP,Bai YX,Cao QQ,Zhang Y,Liu YC,Chen ZF,Liang H

更新日期：2017-02-01 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：: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：: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：: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：:We previously reported that troponoid compounds profoundly inhibit replication of herpes simplex virus (HSV)-1 and HSV-2 in cell culture, including acyclovir-resistant mutants. Synthesis of 26 alpha-hydroxylated tropolones (αHTs) led to a preliminary structure-activity relationship highlighting the potency of bi-pheny...

journal_title：MedChemComm

authors： Berkowitz AJ,Franson AD,Gazquez Cassals A,Donald KA,Yu AJ,Garimallaprabhakaran AK,Morrison LA,Murelli RP

更新日期：2019-05-30 00:00:00

abstract：:Novel primaquine-cell penetrating peptide conjugates were synthesised and tested in vitro against liver stage Plasmodium berghei parasites. Generally, the conjugates were more active than the parent peptides and, in some cases, than the parent drug. These are unprecedented findings that may open a new route towards an...

journal_title：MedChemComm

authors： Aguiar L,Machado M,Sanches-Vaz M,Prudêncio M,Vale N,Gomes P

更新日期：2018-11-16 00:00:00