Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis

Lipid-oligonucleotide (LONs) based bioconjugates represent an emerging class of therapeutic agents, allowing the delivery of therapeutic oligonucleotide sequences. The LON development requests accurate and efficient analytical methods. In this contribution, LON analysis methods were developed in cyc...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Barakat, Fatima [verfasserIn] Gaudin, Karen [verfasserIn] Vialet, Brune [verfasserIn] Bathany, Katell [verfasserIn] Benizri, Sebastien [verfasserIn] Barthélémy, Philippe [verfasserIn] Ferey, Ludivine [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Capillary electrophoresis Lipid-oligonucleotides Bioconjugates Oligonucleotides Cyclodextrin Binding constant

Übergeordnetes Werk:	Enthalten in: Talanta - Amsterdam [u.a.] : Elsevier Science, 1958, 219
Übergeordnetes Werk:	volume:219

DOI / URN:	10.1016/j.talanta.2020.121204

Katalog-ID:	ELV004593758

Internformat


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100	1		\|a Barakat, Fatima \|e verfasserin \|4 aut
245	1	0	\|a Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis
264		1	\|c 2020
336			\|a nicht spezifiziert \|b zzz \|2 rdacontent
337			\|a Computermedien \|b c \|2 rdamedia
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520			\|a Lipid-oligonucleotide (LONs) based bioconjugates represent an emerging class of therapeutic agents, allowing the delivery of therapeutic oligonucleotide sequences. The LON development requests accurate and efficient analytical methods. In this contribution, LON analysis methods were developed in cyclodextrin-modified capillary zone electrophoresis (CD-CZE). The LONs selected in this study feature different structures, including i) the oligonucleotide length (from 10 to 20 nucleotides), ii) the inter-nucleotide linkage chemistry (phosphodiester PDE or phosphorothioate PTO), and iii) the lipidic part: single- (LONsc) or double-chain (LONdc) lipids. In CD-CZE, the effect of several parameters on the electrophoretic peaks was investigated (buffer, CD, and capillary temperature). The binding interaction between LON and Me-β-CD was studied in affinity capillary electrophoresis and revealed a 1:1 LON:CD complex. Non-linear regression and three usual linearization methods (y-reciprocal, x-reciprocal, and double-reciprocal) were used to determine the binding constants (K values of 2.5.104 M−1 and 2.0.104 M−1 for LON PDE and LON PTO, respectively). Quantitative methods with good performances and analysis time lower than 5 min were achieved. Importantly, the developed analysis allows a separation between the i) full-length sequence LONs and their truncated sequences, (n-1), (n-2), and (n-4)-mers and ii) LONsc, LONdc and their corresponding unconjugated oligonucleotides. This work highlights the interest of CD-CZE methods for LON analysis.
650		4	\|a Capillary electrophoresis
650		4	\|a Lipid-oligonucleotides
650		4	\|a Bioconjugates
650		4	\|a Oligonucleotides
650		4	\|a Cyclodextrin
650		4	\|a Binding constant
700	1		\|a Gaudin, Karen \|e verfasserin \|4 aut
700	1		\|a Vialet, Brune \|e verfasserin \|4 aut
700	1		\|a Bathany, Katell \|e verfasserin \|4 aut
700	1		\|a Benizri, Sebastien \|e verfasserin \|4 aut
700	1		\|a Barthélémy, Philippe \|e verfasserin \|4 aut
700	1		\|a Ferey, Ludivine \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Talanta \|d Amsterdam [u.a.] : Elsevier Science, 1958 \|g 219 \|h Online-Ressource \|w (DE-627)306712571 \|w (DE-600)1500969-5 \|w (DE-576)251938158 \|x 1873-3573 \|7 nnns
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912			\|a GBV_USEFLAG_U
912			\|a GBV_ELV
912			\|a SYSFLAG_U
912			\|a SSG-OLC-PHA
912			\|a GBV_ILN_20
912			\|a GBV_ILN_22
912			\|a GBV_ILN_23
912			\|a GBV_ILN_24
912			\|a GBV_ILN_31
912			\|a GBV_ILN_32
912			\|a GBV_ILN_40
912			\|a GBV_ILN_60
912			\|a GBV_ILN_62
912			\|a GBV_ILN_63
912			\|a GBV_ILN_65
912			\|a GBV_ILN_69
912			\|a GBV_ILN_70
912			\|a GBV_ILN_73
912			\|a GBV_ILN_74
912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
912			\|a GBV_ILN_100
912			\|a GBV_ILN_101
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
912			\|a GBV_ILN_224
912			\|a GBV_ILN_370
912			\|a GBV_ILN_602
912			\|a GBV_ILN_702
912			\|a GBV_ILN_2003
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2122
912			\|a GBV_ILN_2129
912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2147
912			\|a GBV_ILN_2148
912			\|a GBV_ILN_2152
912			\|a GBV_ILN_2153
912			\|a GBV_ILN_2190
912			\|a GBV_ILN_2336
912			\|a GBV_ILN_2507
912			\|a GBV_ILN_2522
912			\|a GBV_ILN_4035
912			\|a GBV_ILN_4037
912			\|a GBV_ILN_4112
912			\|a GBV_ILN_4125
912			\|a GBV_ILN_4126
912			\|a GBV_ILN_4242
912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4305
912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4325
912			\|a GBV_ILN_4326
912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
912			\|a GBV_ILN_4335
912			\|a GBV_ILN_4338
912			\|a GBV_ILN_4393
936	b	k	\|a 35.00 \|j Chemie: Allgemeines \|q VZ
951			\|a AR
952			\|d 219

Indexfelder

author_variant	f b fb k g kg b v bv k b kb s b sb p b pb l f lf
matchkey_str	article:18733573:2020----::nlssfiioiouloieojgtsyyldxrnoiidai
hierarchy_sort_str	2020
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publishDate	2020
allfields	10.1016/j.talanta.2020.121204 doi (DE-627)ELV004593758 (ELSEVIER)S0039-9140(20)30495-1 DE-627 ger DE-627 rda eng 540 VZ 35.00 bkl Barakat, Fatima verfasserin aut Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Lipid-oligonucleotide (LONs) based bioconjugates represent an emerging class of therapeutic agents, allowing the delivery of therapeutic oligonucleotide sequences. The LON development requests accurate and efficient analytical methods. In this contribution, LON analysis methods were developed in cyclodextrin-modified capillary zone electrophoresis (CD-CZE). The LONs selected in this study feature different structures, including i) the oligonucleotide length (from 10 to 20 nucleotides), ii) the inter-nucleotide linkage chemistry (phosphodiester PDE or phosphorothioate PTO), and iii) the lipidic part: single- (LONsc) or double-chain (LONdc) lipids. In CD-CZE, the effect of several parameters on the electrophoretic peaks was investigated (buffer, CD, and capillary temperature). The binding interaction between LON and Me-β-CD was studied in affinity capillary electrophoresis and revealed a 1:1 LON:CD complex. Non-linear regression and three usual linearization methods (y-reciprocal, x-reciprocal, and double-reciprocal) were used to determine the binding constants (K values of 2.5.104 M−1 and 2.0.104 M−1 for LON PDE and LON PTO, respectively). Quantitative methods with good performances and analysis time lower than 5 min were achieved. Importantly, the developed analysis allows a separation between the i) full-length sequence LONs and their truncated sequences, (n-1), (n-2), and (n-4)-mers and ii) LONsc, LONdc and their corresponding unconjugated oligonucleotides. This work highlights the interest of CD-CZE methods for LON analysis. Capillary electrophoresis Lipid-oligonucleotides Bioconjugates Oligonucleotides Cyclodextrin Binding constant Gaudin, Karen verfasserin aut Vialet, Brune verfasserin aut Bathany, Katell verfasserin aut Benizri, Sebastien verfasserin aut Barthélémy, Philippe verfasserin aut Ferey, Ludivine verfasserin aut Enthalten in Talanta Amsterdam [u.a.] : Elsevier Science, 1958 219 Online-Ressource (DE-627)306712571 (DE-600)1500969-5 (DE-576)251938158 1873-3573 nnns volume:219 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines VZ AR 219
spelling	10.1016/j.talanta.2020.121204 doi (DE-627)ELV004593758 (ELSEVIER)S0039-9140(20)30495-1 DE-627 ger DE-627 rda eng 540 VZ 35.00 bkl Barakat, Fatima verfasserin aut Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Lipid-oligonucleotide (LONs) based bioconjugates represent an emerging class of therapeutic agents, allowing the delivery of therapeutic oligonucleotide sequences. The LON development requests accurate and efficient analytical methods. In this contribution, LON analysis methods were developed in cyclodextrin-modified capillary zone electrophoresis (CD-CZE). The LONs selected in this study feature different structures, including i) the oligonucleotide length (from 10 to 20 nucleotides), ii) the inter-nucleotide linkage chemistry (phosphodiester PDE or phosphorothioate PTO), and iii) the lipidic part: single- (LONsc) or double-chain (LONdc) lipids. In CD-CZE, the effect of several parameters on the electrophoretic peaks was investigated (buffer, CD, and capillary temperature). The binding interaction between LON and Me-β-CD was studied in affinity capillary electrophoresis and revealed a 1:1 LON:CD complex. Non-linear regression and three usual linearization methods (y-reciprocal, x-reciprocal, and double-reciprocal) were used to determine the binding constants (K values of 2.5.104 M−1 and 2.0.104 M−1 for LON PDE and LON PTO, respectively). Quantitative methods with good performances and analysis time lower than 5 min were achieved. Importantly, the developed analysis allows a separation between the i) full-length sequence LONs and their truncated sequences, (n-1), (n-2), and (n-4)-mers and ii) LONsc, LONdc and their corresponding unconjugated oligonucleotides. This work highlights the interest of CD-CZE methods for LON analysis. Capillary electrophoresis Lipid-oligonucleotides Bioconjugates Oligonucleotides Cyclodextrin Binding constant Gaudin, Karen verfasserin aut Vialet, Brune verfasserin aut Bathany, Katell verfasserin aut Benizri, Sebastien verfasserin aut Barthélémy, Philippe verfasserin aut Ferey, Ludivine verfasserin aut Enthalten in Talanta Amsterdam [u.a.] : Elsevier Science, 1958 219 Online-Ressource (DE-627)306712571 (DE-600)1500969-5 (DE-576)251938158 1873-3573 nnns volume:219 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines VZ AR 219
allfields_unstemmed	10.1016/j.talanta.2020.121204 doi (DE-627)ELV004593758 (ELSEVIER)S0039-9140(20)30495-1 DE-627 ger DE-627 rda eng 540 VZ 35.00 bkl Barakat, Fatima verfasserin aut Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Lipid-oligonucleotide (LONs) based bioconjugates represent an emerging class of therapeutic agents, allowing the delivery of therapeutic oligonucleotide sequences. The LON development requests accurate and efficient analytical methods. In this contribution, LON analysis methods were developed in cyclodextrin-modified capillary zone electrophoresis (CD-CZE). The LONs selected in this study feature different structures, including i) the oligonucleotide length (from 10 to 20 nucleotides), ii) the inter-nucleotide linkage chemistry (phosphodiester PDE or phosphorothioate PTO), and iii) the lipidic part: single- (LONsc) or double-chain (LONdc) lipids. In CD-CZE, the effect of several parameters on the electrophoretic peaks was investigated (buffer, CD, and capillary temperature). The binding interaction between LON and Me-β-CD was studied in affinity capillary electrophoresis and revealed a 1:1 LON:CD complex. Non-linear regression and three usual linearization methods (y-reciprocal, x-reciprocal, and double-reciprocal) were used to determine the binding constants (K values of 2.5.104 M−1 and 2.0.104 M−1 for LON PDE and LON PTO, respectively). Quantitative methods with good performances and analysis time lower than 5 min were achieved. Importantly, the developed analysis allows a separation between the i) full-length sequence LONs and their truncated sequences, (n-1), (n-2), and (n-4)-mers and ii) LONsc, LONdc and their corresponding unconjugated oligonucleotides. This work highlights the interest of CD-CZE methods for LON analysis. Capillary electrophoresis Lipid-oligonucleotides Bioconjugates Oligonucleotides Cyclodextrin Binding constant Gaudin, Karen verfasserin aut Vialet, Brune verfasserin aut Bathany, Katell verfasserin aut Benizri, Sebastien verfasserin aut Barthélémy, Philippe verfasserin aut Ferey, Ludivine verfasserin aut Enthalten in Talanta Amsterdam [u.a.] : Elsevier Science, 1958 219 Online-Ressource (DE-627)306712571 (DE-600)1500969-5 (DE-576)251938158 1873-3573 nnns volume:219 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines VZ AR 219
allfieldsGer	10.1016/j.talanta.2020.121204 doi (DE-627)ELV004593758 (ELSEVIER)S0039-9140(20)30495-1 DE-627 ger DE-627 rda eng 540 VZ 35.00 bkl Barakat, Fatima verfasserin aut Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Lipid-oligonucleotide (LONs) based bioconjugates represent an emerging class of therapeutic agents, allowing the delivery of therapeutic oligonucleotide sequences. The LON development requests accurate and efficient analytical methods. In this contribution, LON analysis methods were developed in cyclodextrin-modified capillary zone electrophoresis (CD-CZE). The LONs selected in this study feature different structures, including i) the oligonucleotide length (from 10 to 20 nucleotides), ii) the inter-nucleotide linkage chemistry (phosphodiester PDE or phosphorothioate PTO), and iii) the lipidic part: single- (LONsc) or double-chain (LONdc) lipids. In CD-CZE, the effect of several parameters on the electrophoretic peaks was investigated (buffer, CD, and capillary temperature). The binding interaction between LON and Me-β-CD was studied in affinity capillary electrophoresis and revealed a 1:1 LON:CD complex. Non-linear regression and three usual linearization methods (y-reciprocal, x-reciprocal, and double-reciprocal) were used to determine the binding constants (K values of 2.5.104 M−1 and 2.0.104 M−1 for LON PDE and LON PTO, respectively). Quantitative methods with good performances and analysis time lower than 5 min were achieved. Importantly, the developed analysis allows a separation between the i) full-length sequence LONs and their truncated sequences, (n-1), (n-2), and (n-4)-mers and ii) LONsc, LONdc and their corresponding unconjugated oligonucleotides. This work highlights the interest of CD-CZE methods for LON analysis. Capillary electrophoresis Lipid-oligonucleotides Bioconjugates Oligonucleotides Cyclodextrin Binding constant Gaudin, Karen verfasserin aut Vialet, Brune verfasserin aut Bathany, Katell verfasserin aut Benizri, Sebastien verfasserin aut Barthélémy, Philippe verfasserin aut Ferey, Ludivine verfasserin aut Enthalten in Talanta Amsterdam [u.a.] : Elsevier Science, 1958 219 Online-Ressource (DE-627)306712571 (DE-600)1500969-5 (DE-576)251938158 1873-3573 nnns volume:219 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines VZ AR 219
allfieldsSound	10.1016/j.talanta.2020.121204 doi (DE-627)ELV004593758 (ELSEVIER)S0039-9140(20)30495-1 DE-627 ger DE-627 rda eng 540 VZ 35.00 bkl Barakat, Fatima verfasserin aut Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Lipid-oligonucleotide (LONs) based bioconjugates represent an emerging class of therapeutic agents, allowing the delivery of therapeutic oligonucleotide sequences. The LON development requests accurate and efficient analytical methods. In this contribution, LON analysis methods were developed in cyclodextrin-modified capillary zone electrophoresis (CD-CZE). The LONs selected in this study feature different structures, including i) the oligonucleotide length (from 10 to 20 nucleotides), ii) the inter-nucleotide linkage chemistry (phosphodiester PDE or phosphorothioate PTO), and iii) the lipidic part: single- (LONsc) or double-chain (LONdc) lipids. In CD-CZE, the effect of several parameters on the electrophoretic peaks was investigated (buffer, CD, and capillary temperature). The binding interaction between LON and Me-β-CD was studied in affinity capillary electrophoresis and revealed a 1:1 LON:CD complex. Non-linear regression and three usual linearization methods (y-reciprocal, x-reciprocal, and double-reciprocal) were used to determine the binding constants (K values of 2.5.104 M−1 and 2.0.104 M−1 for LON PDE and LON PTO, respectively). Quantitative methods with good performances and analysis time lower than 5 min were achieved. Importantly, the developed analysis allows a separation between the i) full-length sequence LONs and their truncated sequences, (n-1), (n-2), and (n-4)-mers and ii) LONsc, LONdc and their corresponding unconjugated oligonucleotides. This work highlights the interest of CD-CZE methods for LON analysis. Capillary electrophoresis Lipid-oligonucleotides Bioconjugates Oligonucleotides Cyclodextrin Binding constant Gaudin, Karen verfasserin aut Vialet, Brune verfasserin aut Bathany, Katell verfasserin aut Benizri, Sebastien verfasserin aut Barthélémy, Philippe verfasserin aut Ferey, Ludivine verfasserin aut Enthalten in Talanta Amsterdam [u.a.] : Elsevier Science, 1958 219 Online-Ressource (DE-627)306712571 (DE-600)1500969-5 (DE-576)251938158 1873-3573 nnns volume:219 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines VZ AR 219
language	English
source	Enthalten in Talanta 219 volume:219
sourceStr	Enthalten in Talanta 219 volume:219
format_phy_str_mv	Article
bklname	Chemie: Allgemeines
institution	findex.gbv.de
topic_facet	Capillary electrophoresis Lipid-oligonucleotides Bioconjugates Oligonucleotides Cyclodextrin Binding constant
dewey-raw	540
isfreeaccess_bool	false
container_title	Talanta
authorswithroles_txt_mv	Barakat, Fatima @@aut@@ Gaudin, Karen @@aut@@ Vialet, Brune @@aut@@ Bathany, Katell @@aut@@ Benizri, Sebastien @@aut@@ Barthélémy, Philippe @@aut@@ Ferey, Ludivine @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	306712571
dewey-sort	3540
id	ELV004593758
language_de	englisch
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author	Barakat, Fatima
spellingShingle	Barakat, Fatima ddc 540 bkl 35.00 misc Capillary electrophoresis misc Lipid-oligonucleotides misc Bioconjugates misc Oligonucleotides misc Cyclodextrin misc Binding constant Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis
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topic_title	540 VZ 35.00 bkl Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis Capillary electrophoresis Lipid-oligonucleotides Bioconjugates Oligonucleotides Cyclodextrin Binding constant
topic	ddc 540 bkl 35.00 misc Capillary electrophoresis misc Lipid-oligonucleotides misc Bioconjugates misc Oligonucleotides misc Cyclodextrin misc Binding constant
topic_unstemmed	ddc 540 bkl 35.00 misc Capillary electrophoresis misc Lipid-oligonucleotides misc Bioconjugates misc Oligonucleotides misc Cyclodextrin misc Binding constant
topic_browse	ddc 540 bkl 35.00 misc Capillary electrophoresis misc Lipid-oligonucleotides misc Bioconjugates misc Oligonucleotides misc Cyclodextrin misc Binding constant
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title	Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis
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title_full	Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis
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author_browse	Barakat, Fatima Gaudin, Karen Vialet, Brune Bathany, Katell Benizri, Sebastien Barthélémy, Philippe Ferey, Ludivine
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title_sort	analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis
title_auth	Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis
abstract	Lipid-oligonucleotide (LONs) based bioconjugates represent an emerging class of therapeutic agents, allowing the delivery of therapeutic oligonucleotide sequences. The LON development requests accurate and efficient analytical methods. In this contribution, LON analysis methods were developed in cyclodextrin-modified capillary zone electrophoresis (CD-CZE). The LONs selected in this study feature different structures, including i) the oligonucleotide length (from 10 to 20 nucleotides), ii) the inter-nucleotide linkage chemistry (phosphodiester PDE or phosphorothioate PTO), and iii) the lipidic part: single- (LONsc) or double-chain (LONdc) lipids. In CD-CZE, the effect of several parameters on the electrophoretic peaks was investigated (buffer, CD, and capillary temperature). The binding interaction between LON and Me-β-CD was studied in affinity capillary electrophoresis and revealed a 1:1 LON:CD complex. Non-linear regression and three usual linearization methods (y-reciprocal, x-reciprocal, and double-reciprocal) were used to determine the binding constants (K values of 2.5.104 M−1 and 2.0.104 M−1 for LON PDE and LON PTO, respectively). Quantitative methods with good performances and analysis time lower than 5 min were achieved. Importantly, the developed analysis allows a separation between the i) full-length sequence LONs and their truncated sequences, (n-1), (n-2), and (n-4)-mers and ii) LONsc, LONdc and their corresponding unconjugated oligonucleotides. This work highlights the interest of CD-CZE methods for LON analysis.
abstractGer	Lipid-oligonucleotide (LONs) based bioconjugates represent an emerging class of therapeutic agents, allowing the delivery of therapeutic oligonucleotide sequences. The LON development requests accurate and efficient analytical methods. In this contribution, LON analysis methods were developed in cyclodextrin-modified capillary zone electrophoresis (CD-CZE). The LONs selected in this study feature different structures, including i) the oligonucleotide length (from 10 to 20 nucleotides), ii) the inter-nucleotide linkage chemistry (phosphodiester PDE or phosphorothioate PTO), and iii) the lipidic part: single- (LONsc) or double-chain (LONdc) lipids. In CD-CZE, the effect of several parameters on the electrophoretic peaks was investigated (buffer, CD, and capillary temperature). The binding interaction between LON and Me-β-CD was studied in affinity capillary electrophoresis and revealed a 1:1 LON:CD complex. Non-linear regression and three usual linearization methods (y-reciprocal, x-reciprocal, and double-reciprocal) were used to determine the binding constants (K values of 2.5.104 M−1 and 2.0.104 M−1 for LON PDE and LON PTO, respectively). Quantitative methods with good performances and analysis time lower than 5 min were achieved. Importantly, the developed analysis allows a separation between the i) full-length sequence LONs and their truncated sequences, (n-1), (n-2), and (n-4)-mers and ii) LONsc, LONdc and their corresponding unconjugated oligonucleotides. This work highlights the interest of CD-CZE methods for LON analysis.
abstract_unstemmed	Lipid-oligonucleotide (LONs) based bioconjugates represent an emerging class of therapeutic agents, allowing the delivery of therapeutic oligonucleotide sequences. The LON development requests accurate and efficient analytical methods. In this contribution, LON analysis methods were developed in cyclodextrin-modified capillary zone electrophoresis (CD-CZE). The LONs selected in this study feature different structures, including i) the oligonucleotide length (from 10 to 20 nucleotides), ii) the inter-nucleotide linkage chemistry (phosphodiester PDE or phosphorothioate PTO), and iii) the lipidic part: single- (LONsc) or double-chain (LONdc) lipids. In CD-CZE, the effect of several parameters on the electrophoretic peaks was investigated (buffer, CD, and capillary temperature). The binding interaction between LON and Me-β-CD was studied in affinity capillary electrophoresis and revealed a 1:1 LON:CD complex. Non-linear regression and three usual linearization methods (y-reciprocal, x-reciprocal, and double-reciprocal) were used to determine the binding constants (K values of 2.5.104 M−1 and 2.0.104 M−1 for LON PDE and LON PTO, respectively). Quantitative methods with good performances and analysis time lower than 5 min were achieved. Importantly, the developed analysis allows a separation between the i) full-length sequence LONs and their truncated sequences, (n-1), (n-2), and (n-4)-mers and ii) LONsc, LONdc and their corresponding unconjugated oligonucleotides. This work highlights the interest of CD-CZE methods for LON analysis.
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title_short	Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis
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author2	Gaudin, Karen Vialet, Brune Bathany, Katell Benizri, Sebastien Barthélémy, Philippe Ferey, Ludivine
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up_date	2024-07-06T23:30:58.065Z
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Analysis of lipid-oligonucleotide conjugates by cyclodextrin-modified capillary zone electrophoresis

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