Journal: Acta Pharmaceutica Sinica. B

Article Title: Rhynchophylline rewires DLAT lipoylation via conformational control to reverse mitochondrial bioenergetic collapse against dopaminergic neuronal injury

doi: 10.1016/j.apsb.2026.06.016

Figure Lengend Snippet: Rhy enhances mitochondrial function by promoting mitochondrial fusion. (A) Representative fluorescent images of mitochondria stained with Mito-tracker Red in PC12 cells. (B) Quantitative analysis of mitochondrial networks in PC12 cells using the MiNA plugin for ImageJ ( n = 5 images). (C) Mitochondrial morphology in primary midbrain neurons visualized by Mito-tracker Red. (D) Mitochondrial network parameters quantified by MiNA analysis in primary midbrain neurons ( n = 5 images). (E) High-resolution imaging of mitochondrial inner membranes using PKmito Orange (PKMO) microscopy. (F) Representative transmission electron microscopy (TEM) images of mitochondrial ultrastructure. (G) Mitochondrial membrane potential quantification by JC-1 ratio (Red/Green) in PC12 cells and primary midbrain neurons, n = 3 independent experiments. (H) Cellular ATP levels determined using ATPlite™ luminescence assay ( n = 3). (I) Western blotting analysis of DRP1, p-DRP1 Ser616 , p-DRP1 Ser637 , MFN2 and OPA1 levels, following 6-OHDA (150 μmol/L) and Rhy treatment (1, 2, 5 μmol/L), n = 3 independent experiments. The data are presented as mean ± SD. Multiple group comparisons were evaluated through one-way analysis of variance (ANOVA). P < 0.05 was considered statistically significant.

Article Snippet: Membrane were blocked with 5% non-fat milk in TBST (1 h, room temperature), and then incubated with primary antibodies (overnight, 4 °C) against DLAT (Proteintech, 13426-1-AP); DRP1 (Biodragon, RM8248); p-DRP1 Ser616 (Biodragon, BD-PP1318); p-DRP1 Ser637 (Biodragon, BD-PP0841); OPA1 (MCE, HY- P80255 ); MFN2 (Biodragon, BD-PT2740); GAPDH (Proteintech, 60004-1-Ig); TH (Santa Cruz, sc-14007); Lipoic acid (Santa Cruz, sc-101354); VMAT2 (Santa Cruz, sc-390,285); HA (Solarbio, K200003M), SIRT2 (Abways, CY5865); SIRT4(Proteintech, 66543-1-Ig); LIAS (Proteintech, 11577-1-AP); AMPK α (Biodragon, RM1159); p-AMPK α (Biodragon, RM0088); p-STAT3 (Abmart, TC52210); p-EGFR (Abmart, PC1644); KIF5B(Abclonal, A20928); KIF5C(Biodragon, BD-PN3289); KIF1B(Biodragon, BD-PN4193).

Techniques: Staining, Imaging, Microscopy, Transmission Assay, Electron Microscopy, Membrane, Luminescence Assay, Western Blot

Journal: Acta Pharmaceutica Sinica. B

Article Title: Rhynchophylline rewires DLAT lipoylation via conformational control to reverse mitochondrial bioenergetic collapse against dopaminergic neuronal injury

doi: 10.1016/j.apsb.2026.06.016

Figure Lengend Snippet: DLAT mediates Rhy-induced mitochondrial fusion regulation. (A) Experimental workflow for identifying potential targets of Rhy using thermal proteome profiling (TPP) strategy. (B) Volcano plot of TPP results and screening strategy for Rhy's anti-PD targets. (C) Schematic representation of the target screening and prioritization pipeline. (D) Western blotting analysis showing Rhy-regulated mitochondrial dynamics proteins (OPA1, p-DRP1 Ser637 ) in control versus DLAT-KO cells ( n = 3). (E, F) Representative confocal images (E) and quantification (F) of mitochondrial networks visualized by Mito-tracker Red ( n = 3 fields). (G) Super-resolution microscopy images of mitochondrial cristae structures labeled with PKmito Orange (PKMO), n = 3 images. (H, I) TMRE staining reveals mitochondrial membrane potential alterations ( n = 5 fields). The data are presented as mean ± SD. Multiple group comparisons were evaluated through one-way analysis of variance (ANOVA). P < 0.05 was considered statistically significant.

Article Snippet: Membrane were blocked with 5% non-fat milk in TBST (1 h, room temperature), and then incubated with primary antibodies (overnight, 4 °C) against DLAT (Proteintech, 13426-1-AP); DRP1 (Biodragon, RM8248); p-DRP1 Ser616 (Biodragon, BD-PP1318); p-DRP1 Ser637 (Biodragon, BD-PP0841); OPA1 (MCE, HY- P80255 ); MFN2 (Biodragon, BD-PT2740); GAPDH (Proteintech, 60004-1-Ig); TH (Santa Cruz, sc-14007); Lipoic acid (Santa Cruz, sc-101354); VMAT2 (Santa Cruz, sc-390,285); HA (Solarbio, K200003M), SIRT2 (Abways, CY5865); SIRT4(Proteintech, 66543-1-Ig); LIAS (Proteintech, 11577-1-AP); AMPK α (Biodragon, RM1159); p-AMPK α (Biodragon, RM0088); p-STAT3 (Abmart, TC52210); p-EGFR (Abmart, PC1644); KIF5B(Abclonal, A20928); KIF5C(Biodragon, BD-PN3289); KIF1B(Biodragon, BD-PN4193).

Techniques: Western Blot, Control, Super-Resolution Microscopy, Labeling, Staining, Membrane

Journal: Acta Pharmaceutica Sinica. B

Article Title: Rhynchophylline rewires DLAT lipoylation via conformational control to reverse mitochondrial bioenergetic collapse against dopaminergic neuronal injury

doi: 10.1016/j.apsb.2026.06.016

Figure Lengend Snippet: Rhy ameliorates mitochondrial dysfunction via suppression of the DLAT–SIRT4 axis in PD mice. (A) Representative transmission electron microscope images illustrating mitochondrial ultrastructure in substantia nigra neurons. (B, C) Protein levels of mitochondrial dynamics markers (DRP1, p-DRP1 Ser616 , p-DRP1 Ser637 , MFN2, OPA1) in SN tissues were analyzed by Western blotting ( n = 3). (D, E) Immunofluorescence co-staining demonstrating reduced DLAT–SIRT4 colocalization in substantia nigra following Rhy treatment ( n = 3). The data are presented as mean ± SD. Multiple group comparisons were evaluated through one-way analysis of variance (ANOVA). P < 0.05 was considered statistically significant.

Article Snippet: Membrane were blocked with 5% non-fat milk in TBST (1 h, room temperature), and then incubated with primary antibodies (overnight, 4 °C) against DLAT (Proteintech, 13426-1-AP); DRP1 (Biodragon, RM8248); p-DRP1 Ser616 (Biodragon, BD-PP1318); p-DRP1 Ser637 (Biodragon, BD-PP0841); OPA1 (MCE, HY- P80255 ); MFN2 (Biodragon, BD-PT2740); GAPDH (Proteintech, 60004-1-Ig); TH (Santa Cruz, sc-14007); Lipoic acid (Santa Cruz, sc-101354); VMAT2 (Santa Cruz, sc-390,285); HA (Solarbio, K200003M), SIRT2 (Abways, CY5865); SIRT4(Proteintech, 66543-1-Ig); LIAS (Proteintech, 11577-1-AP); AMPK α (Biodragon, RM1159); p-AMPK α (Biodragon, RM0088); p-STAT3 (Abmart, TC52210); p-EGFR (Abmart, PC1644); KIF5B(Abclonal, A20928); KIF5C(Biodragon, BD-PN3289); KIF1B(Biodragon, BD-PN4193).

Techniques: Transmission Assay, Microscopy, Western Blot, Immunofluorescence, Staining

Journal: Resuscitation plus

Article Title: Elevated serum neurologic biomarker profiles after cardiac arrest in a porcine model.

doi: 10.1016/j.resplu.2024.100726

Figure Lengend Snippet: Fig. 4 – Mitochondrial dynamics protein expression and oxidative injury. There is no significant difference in cerebral cortical mitochondrial dynamics via measures of fission (Drp1, Fis1) or fusion (Opa1, Mfn2) relative to GAPDH, or oxidative injury (protein carbonyl, 4-HNE). Western blot protein quantification normalized to GAPDH and presented as relative units.

Article Snippet: Membranes were incubated with antibodies against Opa1 (1:1000, NB110-55290, Novus Biologicals, Littleton CO, USA), Mfn2 (1:2000, ab124773, Abcam, Cambridge, MA, USA), Drp1 (1:1000, 8570S, Cell Signaling Technology, Boston, MA), Fis1 (1:2000, 109561AP, ProteinTech, Rosemont, IL, USA), and GAPDH (1:5000, NB300-327, Novus Biologicals, Centennial, CO, USA) at room temperature for 4 h using iBind technology (ThermoFisher Scientific, Waltham, MA).

Techniques: Expressing, Western Blot

Journal: Molecular cell

Article Title: MISTERMINATE Mechanistically Links Mitochondrial Dysfunction with Proteostasis Failure

doi: 10.1016/j.molcel.2019.06.031

Figure Lengend Snippet: KEY RESOURCES TABLE

Article Snippet: Mouse anti-Opa1 , Novus Biologicals , NBP1-71656.

Techniques: Recombinant, Protease Inhibitor, FLAG-tag, ATP Bioluminescent Assay, Activity Assay, Western Blot, Autoradiography, Negative Control, Software

Journal: Antioxidants

Article Title: Culture of Bovine Aortic Endothelial Cells in Galactose Media Enhances Mitochondrial Plasticity and Changes Redox Sensing, Altering Nrf2 and FOXO3 Levels

doi: 10.3390/antiox13070873

Figure Lengend Snippet: Effect of glucose- or galactose-containing medium on mitochondrial dynamic and intercellular variability in BAEC (P4-6). ( A ) Representative image of immunofluorescence from Tomm22 (green) and DAPI (blue) in BAEC for 24 h; the white bars represent 50 μm. ( B ) Quantification of mitochondrial total for ( C ) Mitochondrial fission. Intercellular variability was performed by standard deviation for ( D ) mitochondrial total and ( E ) mitochondrial fission. Each independent experiment was performed using cells in the same cell passage exposed to glucose or galactose media. Data in graphs represent mean ± SEM (n = 4). * p < 0.05, ** p < 0.01 indicates a statistical difference between the groups of glucose (Glu or dashed line) and galactose (Gal or black bars), # p < 0.05, ## p < 0.01 indicates time-dependent statistical difference between the responses to Glu and Gal by two-way ANOVA, followed by Bonferroni’s post-hoc test.

Article Snippet: Tubulin was used as a loading control. α-OPA1 1:500 Sigma-Aldrich, Darmstadt, Germany Ref. HPA036926 α-Tomm22 1:2000 Atlas Antibodies, Bromma, Sweden Ref. HPA003037 α-PGC-1 α1:1000 Cayman Chemical, Ann Arbor, MI, USA Ref. 101707 α-Tubulin 1:1000 Sigma-Aldrich, Darmstadt, Germany Ref. 9026 Image analysis—ImageJ software was used for the analysis of areas, signals in an area, and cross-section signals from fluorescence and confocal microscopic images for Tomm22, Nrf2, FOXO3, and MitoSOX and from western blot bands for α-Tubulin, α-Tomm22, and α-OPA1.

Techniques: Immunofluorescence, Standard Deviation