Epigenetic reprogramming of breast cancer cells with oocyte extracts. (57/189)

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Dynamic expression of two thrombospondins during axolotl limb regeneration. (58/189)

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Glycated and carbamylated albumin are more "nephrotoxic" than unmodified albumin in the amphibian kidney. (59/189)

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The axolotl model for regeneration and aging research: a mini-review. (60/189)

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Distinct and conserved prominin-1/CD133-positive retinal cell populations identified across species. (61/189)

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Network based transcription factor analysis of regenerating axolotl limbs. (62/189)

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Identification of differentially expressed thyroid hormone responsive genes from the brain of the Mexican Axolotl (Ambystoma mexicanum). (63/189)

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Pathological features of olfactory neuroblastoma in an axolotl (Ambystoma mexicanum). (64/189)

A one-year-old, female Mexican axolotl (Ambystoma mexicanum) had a rough-surfaced, polypoid, pink tumor mass of approximately 10 mm in diameter in the oral cavity. Histologically, the tumor extended from the ethmoturbinate region and into the oral cavity and had replaced some of the maxillary bone tissue. The tumor mass was composed of a lobular architecture of small round-shaped tumor cells with occasional Flexner-Wintersteiner-like rosette formation. There were no metastatic lesions in the other organs. Immunohistochemically, the tumor cells were partly positive for several neural markers (class III beta-tubulin, S-100 protein, and doublecortin) and intensely positive for an epithelial marker (cytokeratin AE1/AE3). These results suggest that the present tumor originated from neuroectodermal tissue. Considering the location and histological and immunohistochemical features of the tumor, a diagnosis of olfactory neuroblastoma was made.  (+info)