brownlee spp hplc column Search Results


91
Revvity brownlee spp hplc column
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Brownlee Spp Hplc Column, supplied by Revvity, used in various techniques. Bioz Stars score: 91/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Brownlee Labs aquapore butyl 300 column
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Aquapore Butyl 300 Column, supplied by Brownlee Labs, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Revvity aquapore rp 300 c8 reversephase rp hplc column
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Aquapore Rp 300 C8 Reversephase Rp Hplc Column, supplied by Revvity, used in various techniques. Bioz Stars score: 91/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Revvity brownlee c18 column
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Brownlee C18 Column, supplied by Revvity, used in various techniques. Bioz Stars score: 91/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Brownlee Labs hplc reverse-phase column rp-300
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Hplc Reverse Phase Column Rp 300, supplied by Brownlee Labs, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Brownlee Labs hplc system
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Hplc System, supplied by Brownlee Labs, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Brownlee Labs microgradient system
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Microgradient System, supplied by Brownlee Labs, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Brownlee Labs hplc brownlee microgradient system
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Hplc Brownlee Microgradient System, supplied by Brownlee Labs, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Brownlee Labs hplc spheri-5 rp-18
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Hplc Spheri 5 Rp 18, supplied by Brownlee Labs, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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METTLER TOLEDO brownlee aquapore analytical c-4 hplc column (40 mm × 250 mm)
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Brownlee Aquapore Analytical C 4 Hplc Column (40 Mm × 250 Mm), supplied by METTLER TOLEDO, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Brownlee Labs hplc c8 analytical column
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
Hplc C8 Analytical Column, supplied by Brownlee Labs, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Varian Medical c8 column
Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography <t>(HPLC)</t> was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.
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Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography (HPLC) was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.

Journal: Pain

Article Title: Downregulation of adenosine and adenosine A1 receptor contributes to neuropathic pain in resiniferatoxin neuropathy

doi: 10.1097/j.pain.0000000000001246

Figure Lengend Snippet: Changes in prostatic acid phosphatase (PAP) ectonucleotidase activity and alterations of adenosine hydrolysis in resiniferatoxin (RTX) neuropathy. (A–C) Prostatic acid phosphatase ectonucleotidase activity was assessed through enzyme histochemistry using adenosine monophosphate (AMP, 3 mM) as a substrate. The reaction product was developed with 1% sodium sulfide and appeared dark brown in the dorsal root ganglion (DRG) sections of the vehicle (A) and day 7 after RTX neuropathy (RTX group) (B). (C) The graph shows AMP(+) neuronal densities in the vehicle (open bar, n = 5) and RTX (filled bar, n = 5) groups according to (A and B). (D–G) High-performance liquid chromatography (HPLC) was conducted to assess the change in the contents of adenosine and AMP, which were extracted from DRG. (D) This graph shows the HPLC chromatograms of the eluted standards (upper panel; AMP, 6.5 minutes; adenosine, 10.2 minutes), the vehicle group (middle panel), and the RTX group (bottom panel). Number designation on the chromatograms: 1 for AMP and 2 for adenosine. (E and F) These figures provide verification of the peaks for AMP (E) and adenosine (F) samples extracted from DRG tissues with respect to a spectral library. The absorbance spectra of the adenosine and AMP samples (pink line in E and F) were the same as the absorbance spectra of the adenosine standard (similarity index = 0.99) and the AMP standard (similarity index = 1.00) (black line in E and F). (G) A significant difference in adenosine signaling molecules was present between the vehicle (open bar, n = 6) and RTX groups (filled bar, n = 5) (ie, decreased adenosine and increased AMP). Elution time scale, minutes. * P < 0.05, ** P < 0.01. Bar, 50 µm.

Article Snippet: A Brownlee SPP HPLC column (C18, 2.7 μm, 4.6 × 150 mm; PerkinElmer, Waltham, MA) protected with a guard cartilage (C18, 2.7 μm, 4.6 × 5 mm; PerkinElmer) was used in this assay.

Techniques: Activity Assay, High Performance Liquid Chromatography