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Research Article
Please note that some of the translations on this page are AI generated. Click here for the English version.
Erratum Notice
Important: There has been an erratum issued for this article. View Erratum Notice
Retraction Notice
The article Assisted Selection of Biomarkers by Linear Discriminant Analysis Effect Size (LEfSe) in Microbiome Data (10.3791/61715) has been retracted by the journal upon the authors' request due to a conflict regarding the data and methodology. View Retraction Notice
Este video muestra un procedimiento paso a paso para inyectar una suspensión viral en los ganglios de la raíz dorsal (DRG) e inducir una lesión axonal controlada a través de un aplastamiento de la raíz dorsal en una rata anestesiada. El protocolo implica exponer los DRG, administrar un vector viral promotor del crecimiento para facilitar la regeneración axonal y cortar las conexiones axonales con la médula espinal para modelar la lesión y regeneración de los nervios sensoriales.
Todos los procedimientos que involucran modelos animales han sido revisados por el comité institucional local de cuidado animal y la junta de revisión veterinaria de JoVE.
1. Inyectando DRG y realizando una lesión por aplastamiento de la raíz dorsal
NOTA: Esta es una cirugía extremadamente delicada. Es aconsejable practicar primero con algunos animales muertos para familiarizarse con la anatomía antes de pasar a la cirugía de animales vivos.
| Fast Green FCF dye | Sigma-Aldrich | F7258 | Para visualizar una solución incolora. Concentración recomendada: 1% |
| Olsen-Hegar Needle Holder | Fine Science Tools | FST 12502-12 | |
| Friedman Pearson Rongeur Curved 0.7mm Cup | Fine Science Tools | FST 16121-14 | |
| Bonn Micro Gripps | Fine Science Tools | FST 11083-07 | For performing dorsal root crush injury |
| Tijeras separadoras de tejidos | Fine Science Tools | FST 14072-10 | |
| Fine Scissors | Fine Science Tools | FST 14058-11 | |
| Micro-Adson Gripps | Fine Science Tools | FST 11018-12 | |
| Goldstein Retractor | Fine Science Tools | FST 17003-03 | |
| Vannas Spring Scissors (recta) | Fine Science Tools | FST 15018-10 | |
| SURGIFOAM Esponja de gelatina absorbible | Ethicon | 1972 | For bleeding control |
| Microliter Syringe RN701 (10 μl) | Hamilton | 80330 | |
| Aguja removible hecha a medida (para inyección DRG) | Hamilton | 7803-05 | 33 gauge, 38 mm, point style 3 |
| UltraMicroPump con controlador SYS-Micro4 | World Precision Instruments | UMP3-1 |