ArticleBrazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica2025
Botulinum toxin improved intestinal adaptation to short gut in a twenty-one-day-old weanling rat.
Article in Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica, 2025. 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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Abstract
Necrotizing enterocolitis (NEC) is a severe intestinal disease of multifactorial origin that primarily affects premature infants. Approximately 27% of NEC babies develop short gut (SG) secondary to extensive intestinal resection, and 10% will have chronic dependence on total parenteral nutrition. We evaluated the Botox treatment in SG model rats. Twenty-day-old weanling male rats (weight range 38-70 g, n=72) were divided into four groups (n=18 each): 1) Control (fed a regular liquid diet); 2) Botox (Control submitted to laparotomy and intestinal injection of Botox®); 3) SG (short gut); and 4) SG and Botox (SG+Botox®). After seven post-operative days, samples were collected for biometrics [body weight (BW), intestine weight (IW) and IW/BW ratio (IBR), and intestine length (IL) and height (IH)], histometric analysis [villous height (VH), crypt depth (CD), muscular thickness (MT), and PCNA index)], and intestinal transit time (ITT). BW, IW, and IL decreased in SG (P<0.05). IH, VH, and PCNA index increased in Botox groups [Control = SG < Botox and SG+Botox (P<0.05)], CD increased in Botox, SG, and SG+Botox (P<0.005), and MT was higher in SG and SG+Botox. Botox groups had lower ITT (P<0.05). Botox provided dilatation and histological changes in SG. These findings suggested that Botox improved adaptation and might be applied in SG with promising results.
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