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. 2021 Mar 12;13(3):918. doi: 10.3390/nu13030918

Table 1.

Summary of in vitro and in vivo investigations with main results.

Article Type of Study Probiotic Strain Aim of Study Main Results
Olson et al. 2016 [41] In vivo L. reuteri ATCC 23272 To evaluate the efficacy of a novel probiotic delivery system in an experimental model of necrotizing enterocolitis A single dose of L. reuteri in its biofilm state significantly decreased:
  • (1)

    the incidence of NEC

  • (2)

    the severity of NEC

  • (3)

    intestinal mucosal permeability

in premature rat pups, compared to free-living, planktonic L. reuteri
Navarro et al. 2017 [40] In vitro L. reuteri ATCC 23272 To evaluate the effect of enhancing a novel L. reuteri biofilm formulation with the addition of beneficial compounds as diffusible cargo within DMs An enhanced probiotic formulation resulted in increased:
  • (1)

    adherence of L. reuteri to DMs

  • (2)

    resistance to acidic conditions

  • (3)

    adherence to human intestinal epithelial cells in vitro

Olson et al. 2018 [69] In vivo L. reuteri ATCC 23272 To evaluate the efficacy of an enhanced novel L. reuteri biofilm formulation with beneficial cargo on protection from experimental NEC A single dose of enhanced L. reuteri biofilm formulation with beneficial DM cargo resulted in decreased:
  • (1)

    NEC incidence and severity

  • (2)

    mortality

  • (3)

    intestinal permeability

  • (4)

    intestinal inflammation

  • (5)

    alteration in gut microbiome

compared to pups receiving L. reuteri biofilm formulation without beneficial DM cargo