PMID- 22978816 OWN - NLM STAT- MEDLINE DCOM- 20130213 LR - 20211021 IS - 1520-6882 (Electronic) IS - 0003-2700 (Print) IS - 0003-2700 (Linking) VI - 84 IP - 19 DP - 2012 Oct 2 TI - Detection of single influenza viral RNA in cells using a polymeric sequence probe. PG - 8118-21 LID - 10.1021/ac3023873 [doi] AB - A polynucleotide probe, call a polymeric sequence probe (PSP), was used to detect influenza A (Influenza A/WSN/33) NA (Neuraminidase) viral RNA in Madin-Darby canine kidney (MDCK) cells. The PSP is a single-stranded DNA molecule with ~2,000 tandem repeat fluorescence binding sites and target binding sites that can bind with multiple fluorescence complementary oligos and target viral RNA using a fluorescence in situ hybridization (FISH) process. A single viral RNA labeled by PSP can be directly observed in MDCK cells. The simple FISH protocol enables the observation and quantitative analysis of the infectious process and drug effects with ultrahigh sensitivity and spatial resolution. FAU - Huang, Suxian AU - Huang S AD - California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, USA. FAU - Yu, Chaoran AU - Yu C FAU - Cheng, Genhong AU - Cheng G FAU - Chen, Yong AU - Chen Y LA - eng GR - R01 AI069120/AI/NIAID NIH HHS/United States PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, Non-P.H.S. DEP - 20120919 PL - United States TA - Anal Chem JT - Analytical chemistry JID - 0370536 RN - 0 (Polynucleotides) RN - 0 (RNA Probes) RN - 0 (RNA, Viral) SB - IM MH - Animals MH - Dogs MH - In Situ Hybridization, Fluorescence MH - Influenza A virus/*chemistry/*genetics MH - Madin Darby Canine Kidney Cells MH - Polynucleotides/*genetics MH - RNA Probes/*chemistry/*genetics MH - RNA, Viral/*analysis/*genetics PMC - PMC4111224 MID - NIHMS583728 EDAT- 2012/09/18 06:00 MHDA- 2013/02/14 06:00 PMCR- 2014/07/25 CRDT- 2012/09/18 06:00 PHST- 2012/09/18 06:00 [entrez] PHST- 2012/09/18 06:00 [pubmed] PHST- 2013/02/14 06:00 [medline] PHST- 2014/07/25 00:00 [pmc-release] AID - 10.1021/ac3023873 [doi] PST - ppublish SO - Anal Chem. 2012 Oct 2;84(19):8118-21. doi: 10.1021/ac3023873. Epub 2012 Sep 19.