Molecular and cellular pharmacology最新文献

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Regulation of Aerobic Glycolysis by microRNAs in Cancer. 微rna在癌症中对有氧糖酵解的调控。
Molecular and cellular pharmacology Pub Date : 2011-12-31 DOI: 10.4255/MCPHARMACOL.11.17
P. Singh, Kamiya Mehla, M. Hollingsworth, Keith R. Johnson
{"title":"Regulation of Aerobic Glycolysis by microRNAs in Cancer.","authors":"P. Singh, Kamiya Mehla, M. Hollingsworth, Keith R. Johnson","doi":"10.4255/MCPHARMACOL.11.17","DOIUrl":"https://doi.org/10.4255/MCPHARMACOL.11.17","url":null,"abstract":"One of the most common and profound biochemical phenotypes of animal and human cancer cells is their ability to metabolize glucose at high rates, even under aerobic conditions. Such alterations lead to establishment of tumor-specific metabolic machinery that is sufficient for supporting the biosynthetic and energy requirements of the tumor cells for facilitating rapid tumor growth and adaptation to new metastatic niches. These changes entail rapid glycolysis by the tumor cells, shifting the flux of glucose from tricarboxylic acid (TCA) cycle to glycolysis, resulting in generation of vast amounts of lactate, which is then secreted outside the tumor cells. This phenomenon is also termed as Warburg effect, as originally described by Otto Warburg. Several oncogenes and tumor suppressors have been implicated in altering tumor cell metabolism in order to facilitate tumor growth and metastasis. MicroRNAs mediate fine-tuning of the cancerassociated glycolytic pathways either directly or at the level of oncogenes. This article intends to review the mechanisms and pathways by which miRNAs regulate the aerobic glycolysis in cancer.","PeriodicalId":18748,"journal":{"name":"Molecular and cellular pharmacology","volume":"31 1","pages":"125-134"},"PeriodicalIF":0.0,"publicationDate":"2011-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81895367","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: 65
Effects of Histone Deacetylase Inhibitors on Modulating H3K4 Methylation Marks - A Novel Cross-Talk Mechanism between Histone-Modifying Enzymes. 组蛋白去乙酰化酶抑制剂对H3K4甲基化标记的调节作用——组蛋白修饰酶之间的一种新的串导机制。
Molecular and cellular pharmacology Pub Date : 2011-12-01 DOI: 10.4255/MCPHARMACOL.11.06
Po-Hsien Huang, C. Plass, Ching S. Chen
{"title":"Effects of Histone Deacetylase Inhibitors on Modulating H3K4 Methylation Marks - A Novel Cross-Talk Mechanism between Histone-Modifying Enzymes.","authors":"Po-Hsien Huang, C. Plass, Ching S. Chen","doi":"10.4255/MCPHARMACOL.11.06","DOIUrl":"https://doi.org/10.4255/MCPHARMACOL.11.06","url":null,"abstract":"A recent study reports that histone deacetylase (HDAC) inhibitors, AR42 and MS- 275, upregulated H3K4 methylation marks in prostate cancer cells, leading to transcriptional activation of genes including those associated with roles in tumor suppression and cell differentiation (1). Evidence suggests that the crosstalk between histone deacetylation and histone H3K4 methylation is attributable to the ability of these HDAC inhibitors to repress the JARID1 family of histone H3 lysine 4 demethylases (H3K4DMs), including RBP2, PLU-1, SMCX, and LSD1, through the downregulation of Sp1 expression. This demonstrates the complexity of the functional roles of HDACs in the regulation of histone modifications as well as the activation of epigenetically silenced gene expression. Equally important is the ability of HDAC inhibitors to transcriptionally suppress H3K4DM gene expression which has therapeutic implications, in that several H3K4DMs such as LSD1 and PLU-1 have been implicated in the pathogenesis of many types of malignancies.","PeriodicalId":18748,"journal":{"name":"Molecular and cellular pharmacology","volume":"55 1","pages":"39-43"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80418402","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: 21
MicroRNAs in glioblastoma multiforme: Profiling studies and therapeutic impacts 多形性胶质母细胞瘤中的microrna:分析研究和治疗影响
Molecular and cellular pharmacology Pub Date : 2011-12-01 DOI: 10.4255/MCPHARMACOL.11.14
D. Lebrun, Min Li
{"title":"MicroRNAs in glioblastoma multiforme: Profiling studies and therapeutic impacts","authors":"D. Lebrun, Min Li","doi":"10.4255/MCPHARMACOL.11.14","DOIUrl":"https://doi.org/10.4255/MCPHARMACOL.11.14","url":null,"abstract":"Glioblastoma multiforme (GBM) is the most lethal primary brain tumor and is characterized by a poor prognosis, resistance to standard therapies, and a highly mutated tumor genome. It is therefore critical to identify new molecular targets that contribute to GBM pathogenesis in order to develop novel targeted therapeutic and diagnostic strategies. MicroRNAs (miRNAs) represent an emerging class of molecules that play significant roles in a number of key cellular processes associated with GBM. This review summarizes the results of recent studies that have attempted to profile the miRNA expression signatures of GBM. Additionally, this review highlights the downstream effectors and activities of key oncogenic or tumor suppressive miRNAs in GBM and describes some promising therapeutic, diagnostic, and prognostic strategies involving miRNAs.","PeriodicalId":18748,"journal":{"name":"Molecular and cellular pharmacology","volume":"3 1","pages":"93-105"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78462955","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: 14
Evaluation of Anticancer Properties of Medicinal Plants from the Indian Sub-Continent 印度次大陆药用植物抗癌特性的评价
Molecular and cellular pharmacology Pub Date : 2011-02-28 DOI: 10.4255/MCPHARMACOL.11.04
A. Nawab, M. Yunus, A. Mahdi, Sanjay Gupta
{"title":"Evaluation of Anticancer Properties of Medicinal Plants from the Indian Sub-Continent","authors":"A. Nawab, M. Yunus, A. Mahdi, Sanjay Gupta","doi":"10.4255/MCPHARMACOL.11.04","DOIUrl":"https://doi.org/10.4255/MCPHARMACOL.11.04","url":null,"abstract":"Components of the plants viz. Artemisia vulgaris, Cichorium intybus, Smilax glabra, Solanum nigrum and Swertia chirayta have been used in traditional folk medicine to treat various human ailments; however, the anticancer properties have not been elucidated. We evaluated the anticancer properties of aqueous extracts of these plants against various human cancer cell lines. Exposure of aqueous extract of Solanum nigrum and Artemisia vulgaris exerted an inhibitory effect on cell growth and colony formation of the prostate, breast and colorectal cells. Other plant extracts exhibited a modest inhibition in cell proliferation for all three cell lines. These results were consistent with induction of apoptosis in cancer cells as measured by internucleosomal DNA fragmentation, caspase3 activation and poly(ADP)ribose polymerase cleavage. Based on the in vitro data, it is suggested that consumption of the components of these plants or ingestion of extract as tea may impart anticancer effects especially in the colon, breast and the prostate.","PeriodicalId":18748,"journal":{"name":"Molecular and cellular pharmacology","volume":"519 1-2 1","pages":"21-29"},"PeriodicalIF":0.0,"publicationDate":"2011-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78405348","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: 62
MicroRNAs and Androgen Receptor 3' Untranslated Region: A Missing Link in Castration-resistant Prostate Cancer? microrna和雄激素受体3'非翻译区:去势抵抗性前列腺癌的缺失环节?
Molecular and cellular pharmacology Pub Date : 2011-01-01
Kavleen Sikand, Sailen Barik, Girish C Shukla
{"title":"MicroRNAs and Androgen Receptor 3' Untranslated Region: A Missing Link in Castration-resistant Prostate Cancer?","authors":"Kavleen Sikand,&nbsp;Sailen Barik,&nbsp;Girish C Shukla","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The ligand-activated transcription factor, androgen receptor (AR) plays a central role in the development and progression of prostate cancer. Prostate cancer initiates as an androgen-dependent disease and further accumulation of multiple sequential genetic and epigenetic alterations transform it into an aggressive, castration-resistant prostate cancer (CRPC). The molecular basis of the transition from androgen-dependent prostate cancer to CRPC remains unclear. However, it is apparent that AR plays a pivotal role in this alteration. The recent discovery that microRNAs (miRNAs) can target the function of AR suggests a functional role of these non-coding RNAs in the pathogenesis of prostate cancer. miRNAs usually function by targeting the 3' untranslated region (UTR) of a mRNA by base-pairing interactions and modulate translation either by destabilizing the message or by repression of protein synthesis in actively translating ribosomes. Here, we discuss the potential molecular pathways through which AR targeting miRNAs may promote CRPC. Modulation of AR expression by miRNAs presents a novel therapeutic option for prostate cancer, albeit it will likely be used in combination with the existing therapies.</p>","PeriodicalId":18748,"journal":{"name":"Molecular and cellular pharmacology","volume":"3 3","pages":"107-113"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3315684/pdf/nihms348614.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30546936","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
Focus on α4β2* and α6β2* nAChRs for Parkinson's Disease Therapeutics. α4β2*和α6β2* nachr在帕金森病治疗中的应用
Molecular and cellular pharmacology Pub Date : 2011-01-01
Xiomara A Pérez, Maryka Quik
{"title":"Focus on α4β2* and α6β2* nAChRs for Parkinson's Disease Therapeutics.","authors":"Xiomara A Pérez,&nbsp;Maryka Quik","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>L-dopa is one of the best treatments for the motor symptoms of Parkinson's disease. However, its use is limited by the fact that it provides only symptomatic relief and chronic therapy leads to dyskinesias. There is therefore a continual search for novel therapeutic approaches. Nicotine, a drug that acts at nicotinic acetylcholine receptors (nAChRs), has been shown to protect against nigrostriatal damage and reduce L-dopa-induced dyskinesias. NAChRs may therefore represent novel targets for Parkinson's disease management. Since there are multiple nAChRs throughout the body, it is important to understand the subtypes involved in striatal function to allow for the development of drugs with optimal beneficial effects. Here we discuss recent work from our laboratory which indicates that α6β2* and α4β2* nAChRs are key in regulating striatal dopaminergic function. Experiments in parkinsonian rats using cyclic voltammetry showed that both α6β2* and α4β2* nAChR-mediated evoked-dopamine release in striatal slices is affected by nigrostriatal damage. These subtypes also appear to be important for neuroprotection against nigrostriatal damage and the nicotine-mediated reduction in L-dopa-induced dyskinesias in parkinsonian animal models. Our combined findings indicate that α4β2* and α6β2* nAChRs may represent useful therapeutic targets for Parkinson's disease.</p>","PeriodicalId":18748,"journal":{"name":"Molecular and cellular pharmacology","volume":"3 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3076673/pdf/nihms278255.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"29821047","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
Modulation of MicroRNAs by Chemical Carcinogens and Anticancer Drugs in Human Cancer: Potential Inkling to Therapeutic Advantage. 化学致癌物和抗癌药物对人类癌症中microrna的调节:潜在的治疗优势。
Molecular and cellular pharmacology Pub Date : 2011-01-01 DOI: 10.4255/MCPHARMACOL.11.18
S. Haldar, A. Basu
{"title":"Modulation of MicroRNAs by Chemical Carcinogens and Anticancer Drugs in Human Cancer: Potential Inkling to Therapeutic Advantage.","authors":"S. Haldar, A. Basu","doi":"10.4255/MCPHARMACOL.11.18","DOIUrl":"https://doi.org/10.4255/MCPHARMACOL.11.18","url":null,"abstract":"The disorder of microRNAs (miRNAs) often referred as 'micromanagers of gene expression' has been implicated with a vast array of neoplasmthe discovery establishes an important connection with the etiology, diagnosis and potential therapy of human cancer. Indeed, the wide range of profiling studies enabled to create miRNA signatures of solid tumors as well as cancers of blood origin. MiRNAs have been observed to play a significant role in the regulation of gene expression-a critical aspect of many biological processes, including cell development, differentiation, apoptosis and proliferation. The differential expression levels of miRNAs in tumors and their normal counterpart have enabled scientists to designate their roles as oncomir or tumor suppressor. Interestingly, the diminishment of oncogenic or enhanced levels of tumor suppressor miRNAs (antagomirs) have been reported to modulate the sensitivity of cancer cells to anticancer agents. To the other end, carcinogenic chemicals either possess the ability of silencing beneficial tumor suppressive miRNAs or maintain the augmented levels of their oncogenic counterpart. In this article we provide a comprehensive overview on the modulation of these \"micromanaging oligos\" by cancer causing as well as cancer preventing agents.","PeriodicalId":18748,"journal":{"name":"Molecular and cellular pharmacology","volume":"13 1","pages":"135-141"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87668105","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: 8
MicroRNAs: Processing, Maturation, Target Recognition and Regulatory Functions. MicroRNAs:加工、成熟、目标识别和调控功能。
Molecular and cellular pharmacology Pub Date : 2011-01-01
Girish C Shukla, Jagjit Singh, Sailen Barik
{"title":"MicroRNAs: Processing, Maturation, Target Recognition and Regulatory Functions.","authors":"Girish C Shukla,&nbsp;Jagjit Singh,&nbsp;Sailen Barik","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The remarkable discovery of small noncoding microRNAs (miRNAs) and their role in posttranscriptional gene regulation have revealed another fine-tuning step in the expression of genetic information. A large number of cellular pathways, which act in organismal development and are important in health and disease, appear to be modulated by miRNAs. At the molecular level, miRNAs restrain the production of proteins by affecting the stability of their target mRNA and/or by down-regulating their translation. This review attempts to offer a snapshot of aspects of miRNA coding, processing, target recognition and function in animals. Our goal here is to provide the readers with a thought-provoking and mechanistic introduction to the miRNA world rather than with a detailed encyclopedia.</p>","PeriodicalId":18748,"journal":{"name":"Molecular and cellular pharmacology","volume":"3 3","pages":"83-92"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3315687/pdf/nihms348613.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30546935","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
Effects of Histone Deacetylase Inhibitors on Modulating H3K4 Methylation Marks - A Novel Cross-Talk Mechanism between Histone-Modifying Enzymes. 组蛋白去乙酰化酶抑制剂对H3K4甲基化标记的调节作用——组蛋白修饰酶之间的一种新的串导机制。
Molecular and cellular pharmacology Pub Date : 2011-01-01
Po-Hsien Huang, Christoph Plass, Ching-Shih Chen
{"title":"Effects of Histone Deacetylase Inhibitors on Modulating H3K4 Methylation Marks - A Novel Cross-Talk Mechanism between Histone-Modifying Enzymes.","authors":"Po-Hsien Huang,&nbsp;Christoph Plass,&nbsp;Ching-Shih Chen","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A recent study reports that histone deacetylase (HDAC) inhibitors, AR42 and MS- 275, upregulated H3K4 methylation marks in prostate cancer cells, leading to transcriptional activation of genes including those associated with roles in tumor suppression and cell differentiation (1). Evidence suggests that the crosstalk between histone deacetylation and histone H3K4 methylation is attributable to the ability of these HDAC inhibitors to repress the JARID1 family of histone H3 lysine 4 demethylases (H3K4DMs), including RBP2, PLU-1, SMCX, and LSD1, through the downregulation of Sp1 expression. This demonstrates the complexity of the functional roles of HDACs in the regulation of histone modifications as well as the activation of epigenetically silenced gene expression. Equally important is the ability of HDAC inhibitors to transcriptionally suppress H3K4DM gene expression which has therapeutic implications, in that several H3K4DMs such as LSD1 and PLU-1 have been implicated in the pathogenesis of many types of malignancies.</p>","PeriodicalId":18748,"journal":{"name":"Molecular and cellular pharmacology","volume":"3 2","pages":"39-43"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3315589/pdf/nihms348612.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30546934","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
Regulation of Aerobic Glycolysis by microRNAs in Cancer. 微rna在癌症中对有氧糖酵解的调控。
Molecular and cellular pharmacology Pub Date : 2011-01-01
Pankaj K Singh, Kamiya Mehla, Michael A Hollingsworth, Keith R Johnson
{"title":"Regulation of Aerobic Glycolysis by microRNAs in Cancer.","authors":"Pankaj K Singh,&nbsp;Kamiya Mehla,&nbsp;Michael A Hollingsworth,&nbsp;Keith R Johnson","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>One of the most common and profound biochemical phenotypes of animal and human cancer cells is their ability to metabolize glucose at high rates, even under aerobic conditions. Such alterations lead to establishment of tumor-specific metabolic machinery that is sufficient for supporting the biosynthetic and energy requirements of the tumor cells for facilitating rapid tumor growth and adaptation to new metastatic niches. These changes entail rapid glycolysis by the tumor cells, shifting the flux of glucose from tricarboxylic acid (TCA) cycle to glycolysis, resulting in generation of vast amounts of lactate, which is then secreted outside the tumor cells. This phenomenon is also termed as Warburg effect, as originally described by Otto Warburg. Several oncogenes and tumor suppressors have been implicated in altering tumor cell metabolism in order to facilitate tumor growth and metastasis. MicroRNAs mediate fine-tuning of the cancerassociated glycolytic pathways either directly or at the level of oncogenes. This article intends to review the mechanisms and pathways by which miRNAs regulate the aerobic glycolysis in cancer.</p>","PeriodicalId":18748,"journal":{"name":"Molecular and cellular pharmacology","volume":"3 3","pages":"125-134"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3392682/pdf/nihms348616.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30760367","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
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