Development of method for three-point data estimation and SVR-QSAR model to screen anti cancer leads.

Development of method for three-point data estimation and SVR-QSAR model to screen anti cancer leads. Comb Chem High Throughput Screen. 2013 Feb 6; Authors: Prakash O, Khan F Abstract Present work deals with generation of virtual samples as mathematical modelling of empirical data on the basis of empirical data. The generated samples were used for development of QSAR model. The method deals with extrapolation of sample vector in such a manner that there is conservation of the empirical data distribution. The data distribution has been judged with statistical parameters. The method was implemented with anticancer activity of Gossypol acetic acid against BCL2 target for colorectal cancer. Considering the virtual samples only for model development, model training showed a regression coefficient for leave one out cross validation as 0.996 with 66 virtual samples, and a regression coefficient with external test set data (51 samples) as 0.993. External test set data which were never used in the virtual sample generation showed predicted regression coefficient value of>0.61. On the basis of QSAR model, nine compounds were suggested as anti-BCL2 active compounds. The suggested compounds were further validated by docking study with Gossypol acetic acid and 'Tetrahydroisoquinoline amide substituted phenyl pyrazole' co-crystallized with chimeric BCL2-XL (PDBID: 2W3L) protein. PMID: 23410041 [PubMed - as supplied by publisher]
Source: Combinatorial Chemistry and High Throughput Screening - Category: Chemistry Authors: Tags: Comb Chem High Throughput Screen Source Type: research

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ConclusionResults of this study demonstrated the potential of MWL oil in the development of natural anticancer therapeutic agents.Graphical abstract
Source: Journal of Ethnopharmacology - Category: Drugs & Pharmacology Source Type: research
Conclusion: These results conclude that G.A has the potential to reduce metastatic melanoma through its anti-proliferative and anti-metastatic effects.Graphical abstract
Source: Phytomedicine - Category: Drugs & Pharmacology Source Type: research
Publication date: Available online 22 October 2019Source: Seminars in Cancer BiologyAuthor(s): Tamara T. Lah, Metka Novak, Barbara BreznikAbstractBrain, the major organ of the central nervous system controls and processes most of body activities. Therefore, the most aggressive brain tumor – glioblastoma and metastases from other organs to the brain are lethal leaving the patients with very short time of survival. The brain tissue landscape is very different from any other tissues and the specific microenvironment, comprising stem cells niches and blood-brain barrier, significantly influences the low rate of glioblast...
Source: Seminars in Cancer Biology - Category: Cancer & Oncology Source Type: research
ConclusionAt the sacrifice of significantly decreased specificity, a FIT-DNA kit may has better sensitivity than FIT for predicting advanced colorectal adenoma, but not for predicting colorectal cancer. More evidences are needed for the extensive use of FIT-DNA testing.
Source: Clinica Chimica Acta - Category: Laboratory Medicine Source Type: research
Conclusion: Our findings indicate that the CYP24A1 rs4809960 polymorphism decreased the risk of CRC in the studied population. PMID: 31802707 [PubMed - as supplied by publisher]
Source: Future Medicine: Biomarkers in Medicine - Category: Internal Medicine Tags: Biomark Med Source Type: research
In this study, RT-PCR and western blotting were used to analyze the mRNA and protein expression, respectively; cell viability was assayed with MTS analysis; cell migration was measured with Trans-well analysis.Key findingsIn the present study, the results indicated that the mRNA levels of LSD1 and TSPAN8 in CRC were significantly higher than that in corresponding adjacent non-tumor tissue. Down-regulation of LSD1 or TSPAN8 as well as LSD1 inhibitor Tranylcypromine hemisulfate inhibited the proliferation and migration of CRC cells, while over-expression of LSD1 exhibited opposite effects. LSD1 up-regulated TSPAN8 expression...
Source: Life Sciences - Category: Biology Source Type: research
In conclusion, Melatonin possesses an antioxidant effect that can protect the sciatic nerve from degeneration and potentiate VCR's anticancer effect at the same time.
Source: Life Sciences - Category: Biology Source Type: research
Colorectal cancer (CRC) is the third most commonly diagnosed cancer. This review gives an overview of the current knowledge of molecular mechanisms of colorectal carcinogenesis and the role of molecular testing in the management of CRC. The majority of CRCs arise from precursor lesions such as adenoma, transforming to adenocarcinoma. Three molecular carcinogenesis pathways have been identified; (1) chromosomal instability, (2) microsatellite instability (MSI), and (3) CpG island methylator phenotype, each account for ~85%, 15%, and 17%, respectively. Evaluation of MSI status, extended RAS mutation analysis, and BRAF mutati...
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Aspects concerning patient adherence to anti-TNFα therapy in psoriasis: A decade of clinical experience. Exp Ther Med. 2019 Dec;18(6):4987-4992 Authors: Mocanu M, Toader MP, Rezus E, Taranu T Abstract Non-adherence to psoriasis treatment has an important impact in controlling chronic disease evolution and the occurrence of systemic comorbidities. Biologic therapy represents a revolutionary treatment, many of the undesirable psychological and socio-economical consequences of conventional topical or systemic therapies being avoided. Nevertheless, the discontinuation of biological therapy may occur ...
Source: Experimental and Therapeutic Medicine - Category: General Medicine Tags: Exp Ther Med Source Type: research
Authors: Shen H, Liao K, Wu W, Yu H, Wu H Abstract A total of six male patients, who had undergone radical cystectomy and sigma-rectum pouch surgery due to bladder cancer (2-5 years previously), developed hyperchloremic metabolic acidosis, hypokalemia and renal dysfunction. The patients underwent urinary undiversion surgery (the pouch was isolated from the intestinal tract, abdominal ostomy was performed, and the sigmoid colon and rectum were reconnected) and blood gas and electrolyte analysis and renal function were compared pre- and post-surgery. Blood hydrocarbonate levels significantly improved 3 months post-su...
Source: Experimental and Therapeutic Medicine - Category: General Medicine Tags: Exp Ther Med Source Type: research
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