Luxol fast blue stain

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Micrograph of the pons using a hematoxylin & eosin-luxol fast blue stain.

Luxol fast blue stain, abbreviated LFB stain or simply LFB, is a commonly used stain to observe myelin under light microscopy, created by Heinrich Klüver and Barrera in 1953.[1] LFB is commonly used to detect demyelination in the central nervous system (CNS), but cannot discern myelination in the peripheral nervous system.[2]

Procedure[edit]

Luxol fast blue is a copper phthalocyanine dye that is soluble in alcohol and is attracted to bases found in the lipoproteins of the myelin sheath.[3][4]

Under the stain, myelin fibers appear blue, neuropil appears pink, and nerve cells appear purple. Tissues sections are treated over an extended period of time (usually overnight) and then differentiated with a lithium carbonate solution.[4]

Combination methods[edit]

The combination of LFB with a variety of common staining methods provides the most useful and reliable method for the demonstration of pathological processes in the CNS.[2] It is often combined with hematoxylin and eosin, which is abbreviated H-E-LFB, H&E-LFB.

Other common staining methods include the periodic acid-Schiff, Oil Red O, phosphotungstic acid, and Holmes silver nitrate method.[2]

See also[edit]

References[edit]

  1. ^ Kluver, H., and Barrera, E. A method for the combined staining of cells and fibers in the Nervous system. J. Neuropath. Exp. Neurol. 12:400-403, 1953.
  2. ^ a b c Shin J. Oh (2002). Color Atlas of Nerve Biopsy Pathology. CRC Press. pp. 191–. ISBN 978-0-8493-1676-0. Retrieved 1 January 2013. 
  3. ^ Bruce-Gregorios, Jocelyn. Histophatologic Techniques. Goodwill Trading Co., Inc. pp. 241–. ISBN 978-971-12-0270-5. Retrieved 1 January 2013. 
  4. ^ a b Peter A. Humphrey; Louis P. Dehner; John D. Pfeifer (2008). The Washington Manual of Surgical Pathology: Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri. Lippincott Williams & Wilkins. pp. 681–. ISBN 978-0-7817-6527-5. Retrieved 1 January 2013. 
  • Sheehan D, Hrapchak B, Theory and practice of Histotechnology, 2nd ed,1980, pp. 262–264, Battelle Press, Ohio.