mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization

Background The localization of specific mRNA generates cell polarity by controlling the translation sites of specific proteins. Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ...
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Gespeichert in:

Autor*in:	Uehara, Hironori [verfasserIn] Kunitomi, Yuji Ikai, Atsushi Osada, Toshiya

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2007

Schlagwörter:	Atomic Force Microscope Reverse Transcription Polymerase Chain Reaction Atomic Force Microscope Probe Single Living Cell Reverse Transcription Polymerase Chain Reaction Reaction

Anmerkung:	© Uehara et al; licensee BioMed Central Ltd. 2007

Übergeordnetes Werk:	Enthalten in: Journal of nanobiotechnology - London : Biomed Central, 2003, 5(2007), 1 vom: 10. Okt.
Übergeordnetes Werk:	volume:5 ; year:2007 ; number:1 ; day:10 ; month:10

Links:	Volltext

DOI / URN:	10.1186/1477-3155-5-7

Katalog-ID:	SPR029453992

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520			\|a Background The localization of specific mRNA generates cell polarity by controlling the translation sites of specific proteins. Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ hybridization (ISH) is a powerful and useful method for detecting the localization of mRNAs, but it does not allow a time dependent analysis of mRNA expression in single living cells because the cells have to be fixed for mRNA detection. To overcome these issues, the extraction of biomolecules such as mRNAs, proteins, and lipids from living cells should be performed without severe damage to the cells. In previous studies, we have reported a single cell nanoprobe (SCN) method to examine gene expression of individual living cells using atomic force microscopy (AFM) without killing the cells. Results In order to evaluate the SCN method, we compared the SCN method with in situ hybridization (ISH). First, we examined spatial β-actin mRNA expression in single living cells with the SCN method, and then the same cells were subjected to ISH for β-actin mRNA. In the SCN method, quantity of β-actin mRNA were analysed by quantitative PCR, and in ISH we used intensity of ISH as a parameter of concentration of β-actin mRNA. We showed that intensity of ISH is higher; quantity of β-actin mRNA detected by the SCN method increased more. Conclusion In this study, we compare the SCN method with the ISH. We examined β-actin mRNA expression in single cells using both methods. We picked up β-actin mRNA from several loci of a single living cell using an AFM nanoprobe, and identical cells were subjected to ISH. The results showed a good correlation between the SCN method and ISH. The SCN method is suitable and reliable to examine mRNAs at medium or higher expression level.
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allfields	10.1186/1477-3155-5-7 doi (DE-627)SPR029453992 (SPR)1477-3155-5-7-e DE-627 ger DE-627 rakwb eng Uehara, Hironori verfasserin aut mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Uehara et al; licensee BioMed Central Ltd. 2007 Background The localization of specific mRNA generates cell polarity by controlling the translation sites of specific proteins. Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ hybridization (ISH) is a powerful and useful method for detecting the localization of mRNAs, but it does not allow a time dependent analysis of mRNA expression in single living cells because the cells have to be fixed for mRNA detection. To overcome these issues, the extraction of biomolecules such as mRNAs, proteins, and lipids from living cells should be performed without severe damage to the cells. In previous studies, we have reported a single cell nanoprobe (SCN) method to examine gene expression of individual living cells using atomic force microscopy (AFM) without killing the cells. Results In order to evaluate the SCN method, we compared the SCN method with in situ hybridization (ISH). First, we examined spatial β-actin mRNA expression in single living cells with the SCN method, and then the same cells were subjected to ISH for β-actin mRNA. In the SCN method, quantity of β-actin mRNA were analysed by quantitative PCR, and in ISH we used intensity of ISH as a parameter of concentration of β-actin mRNA. We showed that intensity of ISH is higher; quantity of β-actin mRNA detected by the SCN method increased more. Conclusion In this study, we compare the SCN method with the ISH. We examined β-actin mRNA expression in single cells using both methods. We picked up β-actin mRNA from several loci of a single living cell using an AFM nanoprobe, and identical cells were subjected to ISH. The results showed a good correlation between the SCN method and ISH. The SCN method is suitable and reliable to examine mRNAs at medium or higher expression level. Atomic Force Microscope (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction (dpeaa)DE-He213 Atomic Force Microscope Probe (dpeaa)DE-He213 Single Living Cell (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction Reaction (dpeaa)DE-He213 Kunitomi, Yuji aut Ikai, Atsushi aut Osada, Toshiya aut Enthalten in Journal of nanobiotechnology London : Biomed Central, 2003 5(2007), 1 vom: 10. Okt. (DE-627)362770328 (DE-600)2100022-0 1477-3155 nnns volume:5 year:2007 number:1 day:10 month:10 https://dx.doi.org/10.1186/1477-3155-5-7 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2007 1 10 10
spelling	10.1186/1477-3155-5-7 doi (DE-627)SPR029453992 (SPR)1477-3155-5-7-e DE-627 ger DE-627 rakwb eng Uehara, Hironori verfasserin aut mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Uehara et al; licensee BioMed Central Ltd. 2007 Background The localization of specific mRNA generates cell polarity by controlling the translation sites of specific proteins. Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ hybridization (ISH) is a powerful and useful method for detecting the localization of mRNAs, but it does not allow a time dependent analysis of mRNA expression in single living cells because the cells have to be fixed for mRNA detection. To overcome these issues, the extraction of biomolecules such as mRNAs, proteins, and lipids from living cells should be performed without severe damage to the cells. In previous studies, we have reported a single cell nanoprobe (SCN) method to examine gene expression of individual living cells using atomic force microscopy (AFM) without killing the cells. Results In order to evaluate the SCN method, we compared the SCN method with in situ hybridization (ISH). First, we examined spatial β-actin mRNA expression in single living cells with the SCN method, and then the same cells were subjected to ISH for β-actin mRNA. In the SCN method, quantity of β-actin mRNA were analysed by quantitative PCR, and in ISH we used intensity of ISH as a parameter of concentration of β-actin mRNA. We showed that intensity of ISH is higher; quantity of β-actin mRNA detected by the SCN method increased more. Conclusion In this study, we compare the SCN method with the ISH. We examined β-actin mRNA expression in single cells using both methods. We picked up β-actin mRNA from several loci of a single living cell using an AFM nanoprobe, and identical cells were subjected to ISH. The results showed a good correlation between the SCN method and ISH. The SCN method is suitable and reliable to examine mRNAs at medium or higher expression level. Atomic Force Microscope (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction (dpeaa)DE-He213 Atomic Force Microscope Probe (dpeaa)DE-He213 Single Living Cell (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction Reaction (dpeaa)DE-He213 Kunitomi, Yuji aut Ikai, Atsushi aut Osada, Toshiya aut Enthalten in Journal of nanobiotechnology London : Biomed Central, 2003 5(2007), 1 vom: 10. Okt. (DE-627)362770328 (DE-600)2100022-0 1477-3155 nnns volume:5 year:2007 number:1 day:10 month:10 https://dx.doi.org/10.1186/1477-3155-5-7 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2007 1 10 10
allfields_unstemmed	10.1186/1477-3155-5-7 doi (DE-627)SPR029453992 (SPR)1477-3155-5-7-e DE-627 ger DE-627 rakwb eng Uehara, Hironori verfasserin aut mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Uehara et al; licensee BioMed Central Ltd. 2007 Background The localization of specific mRNA generates cell polarity by controlling the translation sites of specific proteins. Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ hybridization (ISH) is a powerful and useful method for detecting the localization of mRNAs, but it does not allow a time dependent analysis of mRNA expression in single living cells because the cells have to be fixed for mRNA detection. To overcome these issues, the extraction of biomolecules such as mRNAs, proteins, and lipids from living cells should be performed without severe damage to the cells. In previous studies, we have reported a single cell nanoprobe (SCN) method to examine gene expression of individual living cells using atomic force microscopy (AFM) without killing the cells. Results In order to evaluate the SCN method, we compared the SCN method with in situ hybridization (ISH). First, we examined spatial β-actin mRNA expression in single living cells with the SCN method, and then the same cells were subjected to ISH for β-actin mRNA. In the SCN method, quantity of β-actin mRNA were analysed by quantitative PCR, and in ISH we used intensity of ISH as a parameter of concentration of β-actin mRNA. We showed that intensity of ISH is higher; quantity of β-actin mRNA detected by the SCN method increased more. Conclusion In this study, we compare the SCN method with the ISH. We examined β-actin mRNA expression in single cells using both methods. We picked up β-actin mRNA from several loci of a single living cell using an AFM nanoprobe, and identical cells were subjected to ISH. The results showed a good correlation between the SCN method and ISH. The SCN method is suitable and reliable to examine mRNAs at medium or higher expression level. Atomic Force Microscope (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction (dpeaa)DE-He213 Atomic Force Microscope Probe (dpeaa)DE-He213 Single Living Cell (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction Reaction (dpeaa)DE-He213 Kunitomi, Yuji aut Ikai, Atsushi aut Osada, Toshiya aut Enthalten in Journal of nanobiotechnology London : Biomed Central, 2003 5(2007), 1 vom: 10. Okt. (DE-627)362770328 (DE-600)2100022-0 1477-3155 nnns volume:5 year:2007 number:1 day:10 month:10 https://dx.doi.org/10.1186/1477-3155-5-7 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2007 1 10 10
allfieldsGer	10.1186/1477-3155-5-7 doi (DE-627)SPR029453992 (SPR)1477-3155-5-7-e DE-627 ger DE-627 rakwb eng Uehara, Hironori verfasserin aut mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Uehara et al; licensee BioMed Central Ltd. 2007 Background The localization of specific mRNA generates cell polarity by controlling the translation sites of specific proteins. Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ hybridization (ISH) is a powerful and useful method for detecting the localization of mRNAs, but it does not allow a time dependent analysis of mRNA expression in single living cells because the cells have to be fixed for mRNA detection. To overcome these issues, the extraction of biomolecules such as mRNAs, proteins, and lipids from living cells should be performed without severe damage to the cells. In previous studies, we have reported a single cell nanoprobe (SCN) method to examine gene expression of individual living cells using atomic force microscopy (AFM) without killing the cells. Results In order to evaluate the SCN method, we compared the SCN method with in situ hybridization (ISH). First, we examined spatial β-actin mRNA expression in single living cells with the SCN method, and then the same cells were subjected to ISH for β-actin mRNA. In the SCN method, quantity of β-actin mRNA were analysed by quantitative PCR, and in ISH we used intensity of ISH as a parameter of concentration of β-actin mRNA. We showed that intensity of ISH is higher; quantity of β-actin mRNA detected by the SCN method increased more. Conclusion In this study, we compare the SCN method with the ISH. We examined β-actin mRNA expression in single cells using both methods. We picked up β-actin mRNA from several loci of a single living cell using an AFM nanoprobe, and identical cells were subjected to ISH. The results showed a good correlation between the SCN method and ISH. The SCN method is suitable and reliable to examine mRNAs at medium or higher expression level. Atomic Force Microscope (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction (dpeaa)DE-He213 Atomic Force Microscope Probe (dpeaa)DE-He213 Single Living Cell (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction Reaction (dpeaa)DE-He213 Kunitomi, Yuji aut Ikai, Atsushi aut Osada, Toshiya aut Enthalten in Journal of nanobiotechnology London : Biomed Central, 2003 5(2007), 1 vom: 10. Okt. (DE-627)362770328 (DE-600)2100022-0 1477-3155 nnns volume:5 year:2007 number:1 day:10 month:10 https://dx.doi.org/10.1186/1477-3155-5-7 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2007 1 10 10
allfieldsSound	10.1186/1477-3155-5-7 doi (DE-627)SPR029453992 (SPR)1477-3155-5-7-e DE-627 ger DE-627 rakwb eng Uehara, Hironori verfasserin aut mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Uehara et al; licensee BioMed Central Ltd. 2007 Background The localization of specific mRNA generates cell polarity by controlling the translation sites of specific proteins. Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ hybridization (ISH) is a powerful and useful method for detecting the localization of mRNAs, but it does not allow a time dependent analysis of mRNA expression in single living cells because the cells have to be fixed for mRNA detection. To overcome these issues, the extraction of biomolecules such as mRNAs, proteins, and lipids from living cells should be performed without severe damage to the cells. In previous studies, we have reported a single cell nanoprobe (SCN) method to examine gene expression of individual living cells using atomic force microscopy (AFM) without killing the cells. Results In order to evaluate the SCN method, we compared the SCN method with in situ hybridization (ISH). First, we examined spatial β-actin mRNA expression in single living cells with the SCN method, and then the same cells were subjected to ISH for β-actin mRNA. In the SCN method, quantity of β-actin mRNA were analysed by quantitative PCR, and in ISH we used intensity of ISH as a parameter of concentration of β-actin mRNA. We showed that intensity of ISH is higher; quantity of β-actin mRNA detected by the SCN method increased more. Conclusion In this study, we compare the SCN method with the ISH. We examined β-actin mRNA expression in single cells using both methods. We picked up β-actin mRNA from several loci of a single living cell using an AFM nanoprobe, and identical cells were subjected to ISH. The results showed a good correlation between the SCN method and ISH. The SCN method is suitable and reliable to examine mRNAs at medium or higher expression level. Atomic Force Microscope (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction (dpeaa)DE-He213 Atomic Force Microscope Probe (dpeaa)DE-He213 Single Living Cell (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction Reaction (dpeaa)DE-He213 Kunitomi, Yuji aut Ikai, Atsushi aut Osada, Toshiya aut Enthalten in Journal of nanobiotechnology London : Biomed Central, 2003 5(2007), 1 vom: 10. Okt. (DE-627)362770328 (DE-600)2100022-0 1477-3155 nnns volume:5 year:2007 number:1 day:10 month:10 https://dx.doi.org/10.1186/1477-3155-5-7 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2007 1 10 10
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author	Uehara, Hironori
spellingShingle	Uehara, Hironori misc Atomic Force Microscope misc Reverse Transcription Polymerase Chain Reaction misc Atomic Force Microscope Probe misc Single Living Cell misc Reverse Transcription Polymerase Chain Reaction Reaction mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization
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topic_title	mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization Atomic Force Microscope (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction (dpeaa)DE-He213 Atomic Force Microscope Probe (dpeaa)DE-He213 Single Living Cell (dpeaa)DE-He213 Reverse Transcription Polymerase Chain Reaction Reaction (dpeaa)DE-He213
topic	misc Atomic Force Microscope misc Reverse Transcription Polymerase Chain Reaction misc Atomic Force Microscope Probe misc Single Living Cell misc Reverse Transcription Polymerase Chain Reaction Reaction
topic_unstemmed	misc Atomic Force Microscope misc Reverse Transcription Polymerase Chain Reaction misc Atomic Force Microscope Probe misc Single Living Cell misc Reverse Transcription Polymerase Chain Reaction Reaction
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title	mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization
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title_full	mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization
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title_sort	mrna detection of individual cells with the single cell nanoprobe method compared with in situ hybridization
title_auth	mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization
abstract	Background The localization of specific mRNA generates cell polarity by controlling the translation sites of specific proteins. Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ hybridization (ISH) is a powerful and useful method for detecting the localization of mRNAs, but it does not allow a time dependent analysis of mRNA expression in single living cells because the cells have to be fixed for mRNA detection. To overcome these issues, the extraction of biomolecules such as mRNAs, proteins, and lipids from living cells should be performed without severe damage to the cells. In previous studies, we have reported a single cell nanoprobe (SCN) method to examine gene expression of individual living cells using atomic force microscopy (AFM) without killing the cells. Results In order to evaluate the SCN method, we compared the SCN method with in situ hybridization (ISH). First, we examined spatial β-actin mRNA expression in single living cells with the SCN method, and then the same cells were subjected to ISH for β-actin mRNA. In the SCN method, quantity of β-actin mRNA were analysed by quantitative PCR, and in ISH we used intensity of ISH as a parameter of concentration of β-actin mRNA. We showed that intensity of ISH is higher; quantity of β-actin mRNA detected by the SCN method increased more. Conclusion In this study, we compare the SCN method with the ISH. We examined β-actin mRNA expression in single cells using both methods. We picked up β-actin mRNA from several loci of a single living cell using an AFM nanoprobe, and identical cells were subjected to ISH. The results showed a good correlation between the SCN method and ISH. The SCN method is suitable and reliable to examine mRNAs at medium or higher expression level. © Uehara et al; licensee BioMed Central Ltd. 2007
abstractGer	Background The localization of specific mRNA generates cell polarity by controlling the translation sites of specific proteins. Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ hybridization (ISH) is a powerful and useful method for detecting the localization of mRNAs, but it does not allow a time dependent analysis of mRNA expression in single living cells because the cells have to be fixed for mRNA detection. To overcome these issues, the extraction of biomolecules such as mRNAs, proteins, and lipids from living cells should be performed without severe damage to the cells. In previous studies, we have reported a single cell nanoprobe (SCN) method to examine gene expression of individual living cells using atomic force microscopy (AFM) without killing the cells. Results In order to evaluate the SCN method, we compared the SCN method with in situ hybridization (ISH). First, we examined spatial β-actin mRNA expression in single living cells with the SCN method, and then the same cells were subjected to ISH for β-actin mRNA. In the SCN method, quantity of β-actin mRNA were analysed by quantitative PCR, and in ISH we used intensity of ISH as a parameter of concentration of β-actin mRNA. We showed that intensity of ISH is higher; quantity of β-actin mRNA detected by the SCN method increased more. Conclusion In this study, we compare the SCN method with the ISH. We examined β-actin mRNA expression in single cells using both methods. We picked up β-actin mRNA from several loci of a single living cell using an AFM nanoprobe, and identical cells were subjected to ISH. The results showed a good correlation between the SCN method and ISH. The SCN method is suitable and reliable to examine mRNAs at medium or higher expression level. © Uehara et al; licensee BioMed Central Ltd. 2007
abstract_unstemmed	Background The localization of specific mRNA generates cell polarity by controlling the translation sites of specific proteins. Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ hybridization (ISH) is a powerful and useful method for detecting the localization of mRNAs, but it does not allow a time dependent analysis of mRNA expression in single living cells because the cells have to be fixed for mRNA detection. To overcome these issues, the extraction of biomolecules such as mRNAs, proteins, and lipids from living cells should be performed without severe damage to the cells. In previous studies, we have reported a single cell nanoprobe (SCN) method to examine gene expression of individual living cells using atomic force microscopy (AFM) without killing the cells. Results In order to evaluate the SCN method, we compared the SCN method with in situ hybridization (ISH). First, we examined spatial β-actin mRNA expression in single living cells with the SCN method, and then the same cells were subjected to ISH for β-actin mRNA. In the SCN method, quantity of β-actin mRNA were analysed by quantitative PCR, and in ISH we used intensity of ISH as a parameter of concentration of β-actin mRNA. We showed that intensity of ISH is higher; quantity of β-actin mRNA detected by the SCN method increased more. Conclusion In this study, we compare the SCN method with the ISH. We examined β-actin mRNA expression in single cells using both methods. We picked up β-actin mRNA from several loci of a single living cell using an AFM nanoprobe, and identical cells were subjected to ISH. The results showed a good correlation between the SCN method and ISH. The SCN method is suitable and reliable to examine mRNAs at medium or higher expression level. © Uehara et al; licensee BioMed Central Ltd. 2007
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title_short	mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization
url	https://dx.doi.org/10.1186/1477-3155-5-7
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author2	Kunitomi, Yuji Ikai, Atsushi Osada, Toshiya
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Although most of these events depend on differences in gene expression, no method is available to examine time dependent gene expression of individual living cells. In situ hybridization (ISH) is a powerful and useful method for detecting the localization of mRNAs, but it does not allow a time dependent analysis of mRNA expression in single living cells because the cells have to be fixed for mRNA detection. To overcome these issues, the extraction of biomolecules such as mRNAs, proteins, and lipids from living cells should be performed without severe damage to the cells. In previous studies, we have reported a single cell nanoprobe (SCN) method to examine gene expression of individual living cells using atomic force microscopy (AFM) without killing the cells. Results In order to evaluate the SCN method, we compared the SCN method with in situ hybridization (ISH). First, we examined spatial β-actin mRNA expression in single living cells with the SCN method, and then the same cells were subjected to ISH for β-actin mRNA. In the SCN method, quantity of β-actin mRNA were analysed by quantitative PCR, and in ISH we used intensity of ISH as a parameter of concentration of β-actin mRNA. We showed that intensity of ISH is higher; quantity of β-actin mRNA detected by the SCN method increased more. Conclusion In this study, we compare the SCN method with the ISH. We examined β-actin mRNA expression in single cells using both methods. We picked up β-actin mRNA from several loci of a single living cell using an AFM nanoprobe, and identical cells were subjected to ISH. The results showed a good correlation between the SCN method and ISH. 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mRNA detection of individual cells with the single cell nanoprobe method compared with in situ hybridization

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