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Systemic levels of NO2-CLA metabolites are lower in SCD patients. (A-B) Total NO2-CLA and DH-NO2-CLA levels (esterified plus free acid fraction) in healthy (n = 12) and SCD (n = 9) plasma extracts. (C) Representative urine LC-MS/MS chromatograms showing total (top) and isomer-specific NO2-CLA peaks (middle, bottom). (D) Representative traces for the urine NO2-CLA beta-oxidation metabolites NO2-16:2, NO2-14:2 and NO2-12:2. (E-F) Quantification of the total NO2-CLA and its beta-oxidation metabolites in healthy (n = 7) and SCD (n = 6) urine samples. ∗P < .05 by t test (A,B,E) and 2-way analysis of variance (ANOVA) (F) following logarithmic transformation. No statistically significant differences were found between individual urinary NO2-CLA metabolites in the posttest analysis, but 2-way ANOVA identified SCD as a significant contributor to the total data variance in panel F. DH-NO2-CLA, dihydro-NO2-CLA.
Published: 2025
Figure 1. Systemic levels of NO 2 -CLA metabolites are lower in SCD patients. (A-B) Total NO 2 -CLA and DH-NO 2 -CLA levels (esterified plus free acid fraction) in healthy (n = 12) and SCD (n = 9) plasma extracts. (C) Representative urine LC-MS/MS chromatograms showing total (top) and isomer-spe... More about this image found in Systemic levels of NO 2 -CLA metabolites are lower in SCD patients. (A-B) ...
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NO2-OA protects against hemin-induced renal injury in SCD. (A-B) Nrf2-dependent gene expression in HK2 cells treated with NO2-CLA and NO2-OA (n = 3). ∗P < .05, ∗∗P < .001, ∗∗∗P < .0001 by 1-way ANOVA and Dunnett posttest. (C) Protein expression 16 hours after NO2-OA in HK2 cells. (D) DCF oxidation by hemin (8 μM) with or without NO2-OA pretreatment (16 hours). ∗∗∗P < .0001 by 2-way ANOVA. (E) HK2 cell viability 48 hours after 40 μM hemin challenge with or without NO2-OA pretreatment (16 hours) and 10 μM HO-1-IN-1 (n = 7). ∗∗∗P < .0001 by 2-way ANOVA and Dunnett posttest. (E, inset) No effect of HO1-IN-1 on HK2 cell viability. (F) Cytokine production by J774a1 macrophages after 40 μM hemin in the presence or absence of NO2-OA (n = 4-6). ∗P < .05, ∗∗P < .001, ∗∗∗P < .0001 by 1-way ANOVA and Tukey posttest. (G-H) Representative micrographs and quantification of NQO1 and HO1 expression in the kidney of Townes’ SCD mice that received 2.5 mg/kg per day NO2-OA or SO for 3 weeks by oral gavage. Each point is a single field of view from 3 mice per group. The bar represents 100 μm. ∗∗P < .001 by unpaired t test. (I-J) Representative micrographs and apoptotic cell quantification by TUNEL assay in SCD mouse kidney 48 hours after hemin challenge (20 μM/kg IV) in the presence or absence NO2-OA treatment as before. The bar represents 20 μm. ∗∗P < .001 by t test. (K-M) Plasma creatinine, BUN, and urinary KIM-1 levels before and 48 hours after hemin challenge in SCD mice that received vehicle or NO2-OA pretreatment (n = 7-8 per group). ∗P < .05, ∗∗∗P < .0001 by 2-way repeated measures ANOVA and Fisher posttest. BUN, blood urea nitrogen; DCF, 2,7-dichlorodihydrofluorescein diacetate; GCLM, regulatory subunit of glutamate-cysteine ligase; HO1-IN-1, heme oxygenase-1-IN-1; h, hour; KIM-1, kidney injury molecule-1; MCP-1, monocyte chemoattractant protein-1; MFI, mean fluorescence intensity; mRNA, messenger RNA; NQO1, NAD(P)H:quinone dehydrogenase-1; SO, sesame oil vehicle; TNF-α, tumor necrosis factor-α.
Published: 2025
Figure 2. NO 2 -OA protects against hemin-induced renal injury in SCD. (A-B) Nrf2-dependent gene expression in HK2 cells treated with NO 2 -CLA and NO 2 -OA (n = 3). ∗ P < .05, ∗∗ P < .001, ∗∗∗ P < .0001 by 1-way ANOVA and Dunnett posttest. (C) Protein expression 16 hours after NO 2 ... More about this image found in NO 2 -OA protects against hemin-induced renal injury in SCD. (A-B) Nrf2-de...
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Study design. Design of the phase 1/2 open-label, single ascending dose–finding 101HEMB01 study of DTX101, and the noninterventional follow-up 101HEMB02 study.
Published: 2025
Figure 1. Study design. Design of the phase 1/2 open-label, single ascending dose–finding 101HEMB01 study of DTX101, and the noninterventional follow-up 101HEMB02 study. More about this image found in Study design. Design of the phase 1/2 open-label, single ascending dose–fi...
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Individual patient outcomes. (A-F) Individualized patient outcomes including the timing of FIX replacement therapy (blue marker), steroid administration (red square), FIX levels (orange square/line), and ALT levels (green circle/line).
Published: 2025
Figure 2. Individual patient outcomes. (A-F) Individualized patient outcomes including the timing of FIX replacement therapy (blue marker), steroid administration (red square), FIX levels (orange square/line), and ALT levels (green circle/line). More about this image found in Individual patient outcomes. (A-F) Individualized patient outcomes includi...
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Measures of liver enzymes (ALT/AST). Mean ALT and AST levels across the 101HEMB01 (A-B) and 101HEMB02 (C-D) studies. Gray markers indicate cohort 1 (DTX101; 1.6 × 1012 genome copies/kg), and orange markers indicate cohort 2 (DTX101; 5.0 × 1012 genome copies/kg).
Published: 2025
Figure 3. Measures of liver enzymes (ALT/AST). Mean ALT and AST levels across the 101HEMB01 (A-B) and 101HEMB02 (C-D) studies. Gray markers indicate cohort 1 (DTX101; 1.6 × 10 12 genome copies/kg), and orange markers indicate cohort 2 (DTX101; 5.0 × 10 12 genome copies/kg). More about this image found in Measures of liver enzymes (ALT/AST). Mean ALT and AST levels across the 10...
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Study overview. (A-B) Potential models for circulatory clearance of donor RBCs as a function of cell deformability. If circulatory clearance is independent of deformability, then the deformability distribution of circulating cells remains unchanged (A). If circulatory clearance is dependent on cell deformability, the more rigid cells are preferentially removed (B). (C) The microfluidic ratchet device sorts RBCs based on deformability. Cells are typically distributed between outlets 2 and 5. (D-F) Experimental plan. Mouse RBCs are chemically treated using AMT to alter their deformability distribution relative to the control (D). Both control and AMT-treated cells are labeled with long-lasting fluorescent dyes and transfected into recipient mice (D-E). RBCs sampled from recipients are sorted using a microfluidic ratchet device to concurrently measure the deformability distribution of control donor RBCs, AMT-treated donor RBCs, and endogenous RBCs circulating in the recipient mice (F). Ctrl, control.
Published: 2025
Figure 1. Study overview. (A-B) Potential models for circulatory clearance of donor RBCs as a function of cell deformability. If circulatory clearance is independent of deformability, then the deformability distribution of circulating cells remains unchanged (A). If circulatory clearance is depe... More about this image found in Study overview. (A-B) Potential models for circulatory clearance of donor ...
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AMT treatment reduces murine RBC deformability. Deformability distributions of control and AMT-treated mouse RBCs. Data are shown for 2 pooled donor groups with n = 3 and n = 4, respectively. Ctrl, control.
Published: 2025
Figure 2. AMT treatment reduces murine RBC deformability. Deformability distributions of control and AMT-treated mouse RBCs. Data are shown for 2 pooled donor groups with n = 3 and n = 4, respectively. Ctrl, control. More about this image found in AMT treatment reduces murine RBC deformability. Deformability distribution...