2021
DOI: 10.3390/jdb9040050
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Regenerative Polarity of the Fin Ray in Zebrafish Caudal Fin and Related Tissue Formation on the Cut Surface

Abstract: Zebrafish caudal fin rays are used as a model system for regeneration because of their high regenerative ability, but studies on the regeneration polarity of the fin ray are limited. To investigate this regeneration polarity, we made a hole to excise part of the fin ray and analyzed the regeneration process. We confirmed that the fin rays always regenerated from the proximal margin toward the distal margin, as previously reported; however, regeneration-related genes were expressed at both the proximal and dist… Show more

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Cited by 4 publications
(3 citation statements)
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“…Actinotrichia originate from the end of the lepidotrichia and are rod-shaped with highly polymerized collagen. Fin growth in zebrafish is promoted by increasing the number of joints, which occurs throughout their lives [ 6 , 7 ]. The process of caudal fin regeneration is extremely complex, and it is regulated by cross-talk between a variety of genes [ 8 , 9 , 10 , 11 , 12 ].…”
Section: Introductionmentioning
confidence: 99%
“…Actinotrichia originate from the end of the lepidotrichia and are rod-shaped with highly polymerized collagen. Fin growth in zebrafish is promoted by increasing the number of joints, which occurs throughout their lives [ 6 , 7 ]. The process of caudal fin regeneration is extremely complex, and it is regulated by cross-talk between a variety of genes [ 8 , 9 , 10 , 11 , 12 ].…”
Section: Introductionmentioning
confidence: 99%
“…We believe that these manuscripts represent a valuable contribution to the specific field of developmental biology. This Special Issue contains six research articles [ 1 , 2 , 3 , 4 , 5 , 6 ] and four reviews [ 7 , 8 , 9 , 10 ].…”
mentioning
confidence: 99%
“…Nakajima et al [ 2 ] examined the regeneration polarity of the fin ray during zebrafish caudal fin regeneration. Although the fin rays always regenerated from the proximal margin toward the distal margin, the regeneration-related genes were expressed at both the proximal and distal edges of the hole in the early stage of regeneration, suggesting that the regenerative response occurs at the distal edge.…”
mentioning
confidence: 99%