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James E Trosko Author
Subjects of specialization
Affiliation
Cancer Biology, Mutation
Department of Pediatrics/Human Development, Michigan State University, East Lansing.
Dr. James E Trosko, is currently working in the Department of Pediatrics/Human Development, Michigan State University, East Lansing. His research interests include Mutation, Signal Transduction, Cancer Biology etc.,
Editorial Open Access
Author(s): James E Trosko
This "Comment" examines an important clinical observation that colorectal cancers on the right side appear less treatable than cancers on the left side. The concepts of (a) the "initiation / promotion / progression" process, (b) the stem cell hypothesis, (c) the role gap in intercellular binding communication, (d) cancer cells lacking GJIC due to non-expression of connexin genes or non-functional gap junction proteins, and (e) the role of the microbiome in promoting colon stem cells initiated to divide symmetrically or asymmetrically is examined for an explanation. It has been speculated that "embryonic-type" lesions in the ascending colon are initiated stem cells, promoted by symmetric cell division, whereas polyp-type lesions in the descending colon are initiated stem cells stimulated ... view moreĀ»