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At least 1,459 records · Page 81Linked to original sources
PubMed2006

MicroRNAs as a potential magic bullet in cancer.

Genes that control cell differentiation and development are frequently mutated in human cancer. Micro (mi)RNAs are small regulatory RNAs that are emerging as important regulators of cell division/differentiation and human cancer genes. In this review, the miRNA cancer connection is discussed and the possibility of using this novel, but potentially powerful new therapy, involving miRNAs, to treat cancers is speculated on. For example, lung cancer is the major cause of cancer deaths in the USA, but existing therapies fail to treat this disease in the overwhelming majority of cases. The let-7 miRNA is one of a number of 'oncomirs', natural miRNA tumor suppressors in lung tissue, which may prove useful in treating lung cancer or enhancing current treatments for lung cancer.

Animals↗
PubMed2001

Searching for the magic bullet against cancer: the butyrate saga.

n-Butyric acid and its "polymorphic" derivatives have been largely but somehow "blindly" studied in oncology and in red cell diseases with consistent results through decades indicating a strong maturative effect determined by enhancement of gene transcription. Although these effects have been observed mainly in vitro, the relative absence of systemic toxicity of butyrates render these compounds appealing as specific therapeutic agents. More interestingly, their specific mechanism of action, i.e. inhibition of histone deacetylase and de-repression of transcription represents at present an unique tool for diseases such as acute leukemias which are characterised by a disregulation of co-repressors and co-activators of gene transcription. More insight into specificity and modalities of action of different butyrate derivatives may be a guarantee for excellent tailored antileukemic therapy in the future.

Antineoplastic Agents↗
PubMed1979

Cocaine: magical drug or menace?

Cocaine has attracted much attention as a recreational drug and some advocates have acclaimed it as both pleasurable and safe. This paper reviews the available evidence concerning the drug's physiological and psychological safety. Few deaths are attributed to cocaine, but its use is presently restricted by very limited supplies. Use of the drug may possibly result in liver and respiratory problems and may lead to paranoid psychotic conditions. There are many deficiencies in our knowledge of the effects of this drug.

Aggression↗