ArticleDigestive diseases and sciences2001
Spermine-Induced alteration of small intestine in suckling rat: involvement of apoptosis or Zn2+ enzymes?
Article in Digestive diseases and sciences, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 9 citations in OpenAlex.
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4 authors at 1 institution in 1 country.
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Abstract
Polyamines are of great importance in several physiological processes, such as cell proliferation and differentiation. The ingestion of spermine by suckling rats induces precocious maturation of their small intestine. Shortly after ingestion, spermine produces cell elimination at the villous top. The origin of this exfoliation was investigated to determine whether it was due to apoptosis. Wistar rats were orally treated with spermine. Apoptosis was analyzed in their small intestine by Tdt-mediated dUTP-fluorescein nick-end labeling reaction, caspase-3-like analysis, and DNA laddering. Polyamine content was measured by HPLC. The intestinal transitory alteration appeared as soon as 2 hr after spermine administration. Apoptosis events increased strongly at the same moment in the small intestine. They were evidenced by Tdt-mediated dUTP-fluorescein nick-end labeling analysis, DNA laddering, and caspase-3-like activity. Changes observed are consistent with apoptosis, but caspase inhibitor did not reduce intestinal alteration, as did Zn2+ chelator.
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