Perspectives in medicinal chemistry最新文献

筛选
英文 中文
The Structure-Function Relationships of Classical Cannabinoids: CB1/CB2 Modulation. 经典大麻素的结构-功能关系:CB1/CB2 调节。
Perspectives in medicinal chemistry Pub Date : 2016-06-28 eCollection Date: 2016-01-01 DOI: 10.4137/PMC.S32171
Eric W Bow, John M Rimoldi
{"title":"The Structure-Function Relationships of Classical Cannabinoids: CB1/CB2 Modulation.","authors":"Eric W Bow, John M Rimoldi","doi":"10.4137/PMC.S32171","DOIUrl":"10.4137/PMC.S32171","url":null,"abstract":"<p><p>The cannabinoids are members of a deceptively simple class of terpenophenolic secondary metabolites isolated from Cannabis sativa highlighted by (-)-Δ(9)-tetrahydrocannabinol (THC), eliciting distinct pharmacological effects mediated largely by cannabinoid receptor (CB1 or CB2) signaling. Since the initial discovery of THC and related cannabinoids, synthetic and semisynthetic classical cannabinoid analogs have been evaluated to help define receptor binding modes and structure-CB1/CB2 functional activity relationships. This perspective will examine the classical cannabinoids, with particular emphasis on the structure-activity relationship of five regions: C3 side chain, phenolic hydroxyl, aromatic A-ring, pyran B-ring, and cyclohexenyl C-ring. Cumulative structure-activity relationship studies to date have helped define the critical structural elements required for potency and selectivity toward CB1 and CB2 and, more importantly, ushered the discovery and development of contemporary nonclassical cannabinoid modulators with enhanced physicochemical and pharmacological profiles. </p>","PeriodicalId":88294,"journal":{"name":"Perspectives in medicinal chemistry","volume":"8 ","pages":"17-39"},"PeriodicalIF":0.0,"publicationDate":"2016-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4927043/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34719273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interfering with Bacterial Quorum Sensing 干扰细菌群体感应
Perspectives in medicinal chemistry Pub Date : 2016-01-18 DOI: 10.4137/PMC.S13209
K. Reuter, A. Steinbach, V. Helms
{"title":"Interfering with Bacterial Quorum Sensing","authors":"K. Reuter, A. Steinbach, V. Helms","doi":"10.4137/PMC.S13209","DOIUrl":"https://doi.org/10.4137/PMC.S13209","url":null,"abstract":"Quorum sensing (QS) describes the exchange of chemical signals in bacterial populations to adjust the bacterial phenotypes according to the density of bacterial cells. This serves to express phenotypes that are advantageous for the group and ensure bacterial survival. To do so, bacterial cells synthesize autoinducer (AI) molecules, release them to the environment, and take them up. Thereby, the AI concentration reflects the cell density. When the AI concentration exceeds a critical threshold in the cells, the AI may activate the expression of virulence-associated genes or of luminescent proteins. It has been argued that targeting the QS system puts less selective pressure on these pathogens and should avoid the development of resistant bacteria. Therefore, the molecular components of QS systems have been suggested as promising targets for developing new anti-infective compounds. Here, we review the QS systems of selected gram-negative and gram-positive bacteria, namely, Vibrio fischeri, Pseudomonas aeruginosa, and Staphylococcus aureus, and discuss various antivirulence strategies based on blocking different components of the QS machinery.","PeriodicalId":88294,"journal":{"name":"Perspectives in medicinal chemistry","volume":"8 1","pages":"1 - 15"},"PeriodicalIF":0.0,"publicationDate":"2016-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4137/PMC.S13209","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70713838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 99
Applications of second-harmonic generation imaging microscopy in ovarian and breast cancer. 二次谐波成像显微镜在卵巢癌和乳腺癌中的应用。
Perspectives in medicinal chemistry Pub Date : 2015-04-16 eCollection Date: 2015-01-01 DOI: 10.4137/PMC.S13214
Karissa Tilbury, Paul J Campagnola
{"title":"Applications of second-harmonic generation imaging microscopy in ovarian and breast cancer.","authors":"Karissa Tilbury,&nbsp;Paul J Campagnola","doi":"10.4137/PMC.S13214","DOIUrl":"https://doi.org/10.4137/PMC.S13214","url":null,"abstract":"<p><p>In this perspective, we discuss how the nonlinear optical technique of second-harmonic generation (SHG) microscopy has been used to greatly enhance our understanding of the tumor microenvironment (TME) of breast and ovarian cancer. Striking changes in collagen architecture are associated with these epithelial cancers, and SHG can image these changes with great sensitivity and specificity with submicrometer resolution. This information has not historically been exploited by pathologists but has the potential to enhance diagnostic and prognostic capabilities. We summarize the utility of image processing tools that analyze fiber morphology in SHG images of breast and ovarian cancer in human tissues and animal models. We also describe methods that exploit the SHG physical underpinnings that are effective in delineating normal and malignant tissues. First we describe the use of polarization-resolved SHG that yields metrics related to macromolecular and supramolecular structures. The coherence and corresponding phase-matching process of SHG results in emission directionality (forward to backward), which is related to sub-resolution fibrillar assembly. These analyses are more general and more broadly applicable than purely morphology-based analyses; however, they are more computationally intensive. Intravital imaging techniques are also emerging that incorporate all of these quantitative analyses. Now, all these techniques can be coupled with rapidly advancing miniaturization of imaging systems to afford their use in clinical situations including enhancing pathology analysis and also in assisting in real-time surgical determination of tumor margins. </p>","PeriodicalId":88294,"journal":{"name":"Perspectives in medicinal chemistry","volume":"7 ","pages":"21-32"},"PeriodicalIF":0.0,"publicationDate":"2015-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4137/PMC.S13214","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33190376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 70
Selective Mycobacterium tuberculosis Shikimate Kinase Inhibitors as Potential Antibacterials. 选择性结核分枝杆菌莽草酸激酶抑制剂作为潜在的抗菌药物。
Perspectives in medicinal chemistry Pub Date : 2015-03-15 eCollection Date: 2015-01-01 DOI: 10.4137/PMC.S13212
Sara Gordon, Johayra Simithy, Douglas C Goodwin, Angela I Calderón
{"title":"Selective Mycobacterium tuberculosis Shikimate Kinase Inhibitors as Potential Antibacterials.","authors":"Sara Gordon,&nbsp;Johayra Simithy,&nbsp;Douglas C Goodwin,&nbsp;Angela I Calderón","doi":"10.4137/PMC.S13212","DOIUrl":"https://doi.org/10.4137/PMC.S13212","url":null,"abstract":"<p><p>Owing to the persistence of tuberculosis (TB) as well as the emergence of multidrug-resistant and extensively drug-resistant (XDR) forms of the disease, the development of new antitubercular drugs is crucial. Developing inhibitors of shikimate kinase (SK) in the shikimate pathway will provide a selective target for antitubercular agents. Many studies have used in silico technology to identify compounds that are anticipated to interact with and inhibit SK. To a much more limited extent, SK inhibition has been evaluated by in vitro methods with purified enzyme. Currently, there are no data on in vivo activity of Mycobacterium tuberculosis shikimate kinase (MtSK) inhibitors available in the literature. In this review, we present a summary of the progress of SK inhibitor discovery and evaluation with particular attention toward development of new antitubercular agents. </p>","PeriodicalId":88294,"journal":{"name":"Perspectives in medicinal chemistry","volume":"7 ","pages":"9-20"},"PeriodicalIF":0.0,"publicationDate":"2015-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4137/PMC.S13212","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33081044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
New approaches to treating Alzheimer's disease. 治疗阿尔茨海默病的新方法。
Perspectives in medicinal chemistry Pub Date : 2015-02-09 eCollection Date: 2015-01-01 DOI: 10.4137/PMC.S13210
Hailin Zheng, Mati Fridkin, Moussa Youdim
{"title":"New approaches to treating Alzheimer's disease.","authors":"Hailin Zheng,&nbsp;Mati Fridkin,&nbsp;Moussa Youdim","doi":"10.4137/PMC.S13210","DOIUrl":"https://doi.org/10.4137/PMC.S13210","url":null,"abstract":"<p><p>To date, no truly efficacious drugs for Alzheimer's disease (AD) have been developed; moreover, all new anti-AD drugs developed since 2003 have failed. To succeed where previous ones have failed in drug development, new approaches for AD therapy are needed. Here we discuss the potential application of network medicine as a new approach to AD treatment. Unlike traditional approaches focused on a single target/pathway, network medicine targets and restores disease-disrupted networks through simultaneous modulation of numerous proteins (targets)/pathways involved in AD pathogenesis. We consider several drug candidates under development for AD therapy, including Keap1-Nrf2 regulators, endogenous neurogenic agents, and hypoxia-inducible factor 1 (HIF-1) activators. These drug candidates are multi-target ligands with the potential to further develop as network medicines, since they act as master regulators to initiate a broad range of cellular defense mechanisms/cytoprotective genes that exert their efficacy in a holistic way. We also explore their diverse mechanisms of action and potential disease-modifying effects, which may have profound implications for drug discovery. </p>","PeriodicalId":88294,"journal":{"name":"Perspectives in medicinal chemistry","volume":"7 ","pages":"1-8"},"PeriodicalIF":0.0,"publicationDate":"2015-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4137/PMC.S13210","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33097549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 39
Antimicrobial peptides and their analogs: searching for new potential therapeutics. 抗菌肽及其类似物:寻找新的潜在疗法。
Perspectives in medicinal chemistry Pub Date : 2014-10-12 eCollection Date: 2014-01-01 DOI: 10.4137/PMC.S13215
Krystyna Midura-Nowaczek, Agnieszka Markowska
{"title":"Antimicrobial peptides and their analogs: searching for new potential therapeutics.","authors":"Krystyna Midura-Nowaczek, Agnieszka Markowska","doi":"10.4137/PMC.S13215","DOIUrl":"10.4137/PMC.S13215","url":null,"abstract":"<p><p>Antimicrobial peptides (AMPs) are an essential part of innate immunity. These compounds have been considered as potential therapeutics because of their broad-spectrum activities and proven ability to avoid antimicrobial resistance, but their clinical and commercial developments have some limitations, such as susceptibility to proteases and a high cost of peptide production. To overcome these problems, many researchers have tried to develop short active peptides, their modifications and mimics with better properties while retaining their basic features of natural AMPs such as cationic charge and the amphipathic structure. </p>","PeriodicalId":88294,"journal":{"name":"Perspectives in medicinal chemistry","volume":"6 ","pages":"73-80"},"PeriodicalIF":0.0,"publicationDate":"2014-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4213192/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32797110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multiple sclerosis: overview of disease-modifying agents. 多发性硬化症:疾病调节剂的概述。
Perspectives in medicinal chemistry Pub Date : 2014-10-05 eCollection Date: 2014-01-01 DOI: 10.4137/PMC.S13213
Alessandro Finkelsztejn
{"title":"Multiple sclerosis: overview of disease-modifying agents.","authors":"Alessandro Finkelsztejn","doi":"10.4137/PMC.S13213","DOIUrl":"https://doi.org/10.4137/PMC.S13213","url":null,"abstract":"<p><p>Multiple sclerosis (MS) is a chronic autoimmune disease that usually affects young adults, causing progressive physical and cognitive disability. Since the 1990s, its treatment has been based on parenteral medications known collectively as immunomodulators. This drug class is considered safe and usually prevents 30% of MS relapses. Drugs in this class exert almost the same efficacy and require an inconvenient administration route. New medications have recently been launched worldwide. Thus, new oral drugs are increasingly being administered to MS patients and contributing to a better quality of life, since these have better efficacy than the old immunomodulators. Today, 10 different drugs for MS are marketed worldwide, which requires deep knowledge among neurologists and other healthcare professionals. This paper summarizes all the drugs approved for MS in the US and Europe, emphasizing their mechanism of action, the results from phase II and III studies, and the product safety. </p>","PeriodicalId":88294,"journal":{"name":"Perspectives in medicinal chemistry","volume":"6 ","pages":"65-72"},"PeriodicalIF":0.0,"publicationDate":"2014-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4137/PMC.S13213","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32765306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 45
Antibiotics and bacterial resistance in the 21st century. 21世纪的抗生素和细菌耐药性。
Perspectives in medicinal chemistry Pub Date : 2014-08-28 eCollection Date: 2014-01-01 DOI: 10.4137/PMC.S14459
Richard J Fair, Yitzhak Tor
{"title":"Antibiotics and bacterial resistance in the 21st century.","authors":"Richard J Fair,&nbsp;Yitzhak Tor","doi":"10.4137/PMC.S14459","DOIUrl":"https://doi.org/10.4137/PMC.S14459","url":null,"abstract":"<p><p>Dangerous, antibiotic resistant bacteria have been observed with increasing frequency over the past several decades. In this review the factors that have been linked to this phenomenon are addressed. Profiles of bacterial species that are deemed to be particularly concerning at the present time are illustrated. Factors including economic impact, intrinsic and acquired drug resistance, morbidity and mortality rates, and means of infection are taken into account. Synchronously with the waxing of bacterial resistance there has been waning antibiotic development. The approaches that scientists are employing in the pursuit of new antibacterial agents are briefly described. The standings of established antibiotic classes as well as potentially emerging classes are assessed with an emphasis on molecules that have been clinically approved or are in advanced stages of development. Historical perspectives, mechanisms of action and resistance, spectrum of activity, and preeminent members of each class are discussed. </p>","PeriodicalId":88294,"journal":{"name":"Perspectives in medicinal chemistry","volume":"6 ","pages":"25-64"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4137/PMC.S14459","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32677437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1483
Pathways for small molecule delivery to the central nervous system across the blood-brain barrier. 通过血脑屏障向中枢神经系统输送小分子的途径。
Perspectives in medicinal chemistry Pub Date : 2014-06-16 eCollection Date: 2014-01-01 DOI: 10.4137/PMC.S13384
John L Mikitsh, Ann-Marie Chacko
{"title":"Pathways for small molecule delivery to the central nervous system across the blood-brain barrier.","authors":"John L Mikitsh, Ann-Marie Chacko","doi":"10.4137/PMC.S13384","DOIUrl":"10.4137/PMC.S13384","url":null,"abstract":"<p><p>The treatment of central nervous system (CNS) disease has long been difficult due to the ineffectiveness of drug delivery across the blood-brain barrier (BBB). This review summarizes important concepts of the BBB in normal versus pathophysiology and how this physical, enzymatic, and efflux barrier provides necessary protection to the CNS during drug delivery, and consequently treatment challenging. Small molecules account for the vast majority of available CNS drugs primarily due to their ability to penetrate the phospholipid membrane of the BBB by passive or carrier-mediated mechanisms. Physiochemical and biological factors relevant for designing small molecules with optimal capabilities for BBB permeability are discussed, as well as the most promising classes of transporters suitable for small-molecule drug delivery. Clinically translatable imaging methodologies for detecting and quantifying drug uptake and targeting in the brain are discussed as a means of further understanding and refining delivery parameters for both drugs and imaging probes in preclinical and clinical domains. This information can be used as a guide to design drugs with preserved drug action and better delivery profiles for improved treatment outcomes over existing therapeutic approaches. </p>","PeriodicalId":88294,"journal":{"name":"Perspectives in medicinal chemistry","volume":"6 ","pages":"11-24"},"PeriodicalIF":0.0,"publicationDate":"2014-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4064947/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32452209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Revisiting the monoamine hypothesis of depression: a new perspective. 重新审视抑郁症的单胺假说:一个新的视角。
Perspectives in medicinal chemistry Pub Date : 2014-04-03 eCollection Date: 2014-01-01 DOI: 10.4137/PMC.S11375
Joel S Goldberg, Clifton E Bell, David A Pollard
{"title":"Revisiting the monoamine hypothesis of depression: a new perspective.","authors":"Joel S Goldberg,&nbsp;Clifton E Bell,&nbsp;David A Pollard","doi":"10.4137/PMC.S11375","DOIUrl":"https://doi.org/10.4137/PMC.S11375","url":null,"abstract":"<p><p>As the incidence of depression increases, depression continues to inflict additional suffering to individuals and societies and better therapies are needed. Based on magnetic resonance spectroscopy and laboratory findings, gamma aminobutyric acid (GABA) may be intimately involved in the pathophysiology of depression. The isoelectric point of GABA (pI = 7.3) closely approximates the pH of cerebral spinal fluid (CSF). This may not be a trivial observation as it may explain preliminary spectrophotometric, enzymatic, and HPLC data that monoamine oxidase (MAO) deaminates GABA. Although MAO is known to deaminate substrates such as catecholamines, indoleamines, and long chain aliphatic amines all of which contain a lipophilic moiety, there is very good evidence to predict that a low concentration of a very lipophilic microspecies of GABA is present when GABA pI = pH as in the CSF. Inhibiting deamination of this microspecies of GABA could explain the well-established successful treatment of refractory depression with MAO inhibitors (MAOI) when other antidepressants that target exclusively levels of monoamines fail. If further experimental work can confirm these preliminary findings, physicians may consider revisiting the use of MAOI for the treatment of non-intractable depression because the potential benefits of increasing GABA as well as the monoamines may outweigh the risks associated with MAOI therapy. </p>","PeriodicalId":88294,"journal":{"name":"Perspectives in medicinal chemistry","volume":"6 ","pages":"1-8"},"PeriodicalIF":0.0,"publicationDate":"2014-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4137/PMC.S11375","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32268503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 34
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信