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In this task, you're given a paragraph from the research paper and your task is to generate a suitable title for the research paper based on the given paper. Under 100 words is a good title length.

The severe acute respiratory syndrome (SARS) epidemic originating from China in 2002 was caused by a previously uncharacterized coronavirus that could be identified by specific RT-PCR amplification. Efforts to control future SARS outbreaks depend on the accurate and early identification of SARS-CoV infected patients. A real-time fluorogenic RT-PCR assay based on the 3 -noncoding region (3 -NCR) of SARS-CoV genome was developed as a quantitative SARS diagnostic tool. The ideal amplification efficiency of a sensitive SARS-CoV RT-PCR assay should yield an E value (PCR product concentration increase per amplification cycle) equal to 2.0. It was demonstrated that the 3 -NCR SARS-CoV based RT-PCR reactions could be formulated to reach excellent E values of 1.81, or 91% amplification efficacy. The SARS-CoV cDNA preparations derived from viral RNA extract and the cloned recombinant plasmid both exhibit the identical amplification characteristics, i.e. amplification efficacy using the same PCR formulation developed in this study. The viral genomic copy (or genomic equivalences, GE) per infectious unit (GE/pfu) of SARS-CoV used in this study was also established to be approximate 1200-1600:1. The assay's detection sensitivity could reach 0.005 pfu or 6-8 GE per assay. It was preliminarily demonstrated that the assay could efficiently detect SARS-CoV from clinical specimens of SARS probable and suspected patients identified in Taiwan. The 3 -NCR based SARS-CoV assay demonstrated 100% diagnostic specificity testing samples of patients with acute respiratory disease from a non-SARS epidemic region.
Solution: Development and evaluation of an efficient 3 -noncoding region-based SARS coronavirus (SARS-CoV) RT-PCR assay for detection of SARS-CoV
Why? It's a correct title because the paragraph described the development of 3 -noncoding region of SARS-CoV genome and assay efficiently detecting SARS-CoV from clinical specimens.

New input: Toona sinensis (TS), which is also known as Cedrela sinensis, belongs to Meliaceae family, the compounds identified from this TS leaves possess a wide range of biologic functions, such as hypoglycemic effects, anti-LDL glycative activity, antioxidant activities, and inhibition of sudden acute respiratory syndrome (SARS) coronavirus replication. However, their effect against cancer cells is not well explored. In this study, to understand the cytotoxic effect and molecular mechanism stimulated by TSL-1 (TS leaf extract fraction) we employed three different non-small-cell lung cancer (NSCLC) cell lines: H441 cells (lung adenocarcinoma), H661 cells (lung large cell carcinoma) and H520 cells (lung squamous cell carcinoma). IC50 value was varied between these three cell lines, the least IC 50 value was observed in TSL-1-treated H661cells. Exposure of NSCLC cells to TSL-1 caused cell-cycle arrest in subG1 phase and caused apoptosis. Moreover, TSL-1 treatment decreased the cell-cycle regulators; cyclin D1 and CDK4 proteins by up regulating p27 expression in a dosedependent manner. Thus, the TSL-1-induced apoptosis was further confirmed by cell morphology, subG1 peak accumulation, poly(adenosine diphosphate [ADP]ribose) polymerase (PARP) cleavage, propidium iodide (PI)-Annexin-V double staining, and terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling (TUNEL) assay. The decreased Bcl2 protein level was concurrent with an increased Bax protein level in all 3 cell lines. Additionally, the tumoricidal effect of TSL-1 was measured using a xenograft model, after 5 weeks of TSL-1 treatment by various regimen caused regression of tumor. Taken together both these in vitro and in vivo studies revealed that TSL-1 is a potent inhibitor against NSCLC growth and our provoking result suggest that TSL-1 can be a better nutriceutical as a singlet or along withdoublet agents (taxane, vinorelbine, and gemcitabine) for treating NSCLC. (Translational Research 2010;155:305-314) Abbreviations: CDK cyclin-dependent kinase; ECL enhanced chemiluminescence; FACS fluorescence-activated cell sorting; FBS fetal bovine serum; IC 50 half maximal inhibitory concentration; MTT tetrazolium dye; NSCLC non-small-cell lung cancer; PARP poly(adenosine diphosphate [ADP]-ribose) polymerase; PBS phosphate-buffered saline; PI propidium iodide; SKOV3 human ovarian cancer cell; RT room temperature; TS Toona sinensis; TSL-1 TS leaf extract fraction-1; TUNEL terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling
Solution:
Antiproliferative effect of Toona sinensis leaf extract on non-small-cell lung cancer