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Gene Expr Patterns. 2006 Jun;6(5):448-61. Epub 2006 Feb 2.

Characterization of the expression of the ALK receptor tyrosine kinase in mice.

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  • 1Department of Medical Biosciences/Pathology, Building 6M, 2nd Floor, Umeå University, S-901 87 Umeå, Sweden.


Anaplastic Lymphoma Kinase (ALK), a receptor tyrosine kinase, was first described as the fusion product causing a subtype of non-Hodgkin's lymphoma. To date Alk has been reported to be mainly expressed in CNS and other parts of the brain. Here we describe an extensive characterization of the mRNA and protein expression of ALK during mouse development. We show that mRNA and ALK protein show overlapping expressing patterns in specific regions of the central and the peripheral nervous systems. Furthermore, ALK is also expressed in the eye, nasal epithelium, olfactory nerve, tongue, skin, tissue surrounding the esophagus, stomach and midgut but not the hindgut. Expression of ALK is also found in testis and ovary.

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