Caesalpinia pulcherima (CP) is a traditional herb used for the treatment of asthma, bronchitis, cancer, anti-bacterial, anti-fungal and as abortifacient. In the present study, bioactive components and potential targets in the treatment of breast cancer validated through in silico, in vitro and in vivo approach. The results for the analysis were as among 29 components, only four components were found active for further study which proved the use of CP as a multi-target herb for betterment of clinical uses. The results found by PPI states that our network has significant interactions which include the ESR-1, ESR-2, ESRRA, MET, VEGF, FGF, PI3K, PDK-1, MAPK, PLK-1, NEK-2, and GRK. Compound-target network involves 4 active compound and 150 target genes which elucidate the mechanisms of drug action in breast cancer treatment. Furthermore, on the basis of the above results the important proteins were fetched for the docking study which helps in predicting the possible interaction between components and targets. The results of the western blotting showed that CP regulates ER and EGFR expression in MCF-7 cell. In addition to this animal experimentation showed that CP significantly improved immunohistological status in MNU induced carcinoma rats. Network pharmacology approach not only helps us to confirm the study of the chosen target but also gave an idea of compound-target network as well as pathways associated to the CP for treating the complex metabolic condition as breast cancer and they importance for experimental verification.

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Inhibition of Histone deacetylases (HDACs) has been emerged as important approach to reverse aberrant epigenetic changes associated with various cancerous and non-cancerous diseases. The field of histone deacetylase inhibitors (HDIs) is moving into a new phase of development. The structure of histone deacetylases is well-established and the active sites have been well identified. Various drugs targeting this enzyme are in the pipeline for the treatment of different diseases. Since first-generation HDAC inhibitors proved their clinical fruitfulness and also second generation inhibitors are rationally designed with improved specificity, experts believe that this class will emerge in the treatment of various diseases. Considering these facts present review focuses on HDACs and developments of HDIs in the treatment of various diseases.

A facile, green approach for the synthesis of some new dibenz[1,4]-diazepine-1-one by a three component reaction of Diamine, 1,3 diketone and aromatic aldehyde using oxalic acid as catalyst in water is described. The products are formed in good yields (92-94%). Newly synthesized dibenz [1,4]-diazepine-1-one analogues were evaluated for the anxiolytic activity by the elevated plus maze method. From the activity data it is observed that compounds, 4g, 4h and 4k show promising anxiolytic activity.ª 2013 Production and hosting by Elsevier B.V. on behalf of King Saud University.

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