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The modified method of luxol fast blue for paraffin-embedded myelin sheath staining / El método modificado de luxol fast blue para la tinción de mielina fijada en parafina
Sajadi, Ensieh; Raoofi, Amir; Abdi, Shabnam; Azimi, Hadi; Abdollahifar, Mohammad-Amin.
  • Sajadi, Ensieh; Shahid Beheshti University of Medical Sciences. Loghman Hakim Medical Center. Hearing Disorders Research Center. Tehran. IR
  • Raoofi, Amir; Sabzevar University of Medical Sciences. Department of Anatomy. Leishmaniasis Research Center. Sabzevar. IR
  • Abdi, Shabnam; Islamic Azad University. Faculty of Medicine. Department of Anatomical Sciences & Cognitive Neuroscience. Tehran. IR
  • Azimi, Hadi; Shahid Beheshti University of Medical Sciences. School of Medicine. Department of English Language Teaching. Tehran. IR
  • Abdollahifar, Mohammad-Amin; Shahid Beheshti University of Medical Sciences. Loghman Hakim Medical Center. Hearing Disorders Research Center. Tehran. IR
Int. j. morphol ; 38(5): 1197-1200, oct. 2020. graf
Article in English | LILACS | ID: biblio-1134424
ABSTRACT

SUMMARY:

Histological techniques are the study of animal and human tissues through staining and examining them under a microscope. To demonstrate the axonal degeneration and demyelination in histological studies, the Luxol Fast Blue staining is gold standard techniques. In this study, a new histochemical method based on modified Luxol Fast Blue for the staining of the myelin sheath in sciatic nerve tissues described. The sciatic nerves of rats were removed and then the sciatic nerve was immersed in 10 % formaldehyde for one week and embedded in paraffin block. Next, thin sections (5 µm) were cut, using a microtome and stained with conventional and modified Luxol Fast Blue. Our results showed that a new method of modified Luxol Fast Blue staining can accurately identify the myelin in the sciatic nerve fibers. The current study showed that the Luxol Fast Blue combination with Light Green has a good effect on myelin coloration, and the results of this study are comparable to LFB combination with Sirius red.
RESUMEN
RESUMEN Las técnicas histológicas son el estudio de tejidos animales y humanos mediante tinción y examen bajo un microscopio. Para demostrar la degeneración axonal y la desmielinización en estudios histológicos, la tinción Luxol Fast Blue es una técnica estándar de oro. En este estudio, se describe un nuevo método histoquímico basado en Luxol Fast Blue modificado para la tinción de mielina en los tejidos del nervio ciático. Se seccionaron los nervios ciáticos de ratas y luego el nervio ciático se sumergió en formaldehído al 10 % durante una semana y se fijó en bloque de parafina. Posteriormente, se cortaron secciones delgadas (5 µm) usando un microtomo y se tiñeron con Luxol Fast Blue convencional y modificado. Nuestros resultados mostraron que un nuevo método de tinción Luxol Fast Blue modificado puede identificar con precisión la mielina en las fibras del nervio ciático. El estudio actual mostró que la combinación Luxol Fast Blue con Light Green es un buen efecto sobre la coloración de mielina, y los resultados de este estudio son comparables a la combinación LFB con Sirius red.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Sciatic Nerve / Staining and Labeling / Myelin Sheath Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2020 Type: Article Affiliation country: Iran Institution/Affiliation country: Islamic Azad University/IR / Sabzevar University of Medical Sciences/IR / Shahid Beheshti University of Medical Sciences/IR

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Full text: Available Index: LILACS (Americas) Main subject: Sciatic Nerve / Staining and Labeling / Myelin Sheath Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2020 Type: Article Affiliation country: Iran Institution/Affiliation country: Islamic Azad University/IR / Sabzevar University of Medical Sciences/IR / Shahid Beheshti University of Medical Sciences/IR