Psychobiotics improve propionic acid-induced neuroinflammation in juvenile rats, rodent model of autism

This study aimed to evaluate the protective and therapeutic potency of bee pollen and probiotic mixture on brain intoxication caused by propionic acid (PPA) in juvenile rats. Five groups of six animals each, were used: the control group only receiving phosphate-buffered saline; the bee pollen and pr...

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Main Authors: Alonazi Mona, Ben Bacha Abir, Al Suhaibani Anwar, Almnaizel Ahmad T., Aloudah Hisham S., El-Ansary Afaf
Format: Article
Language:English
Published: De Gruyter 2022-09-01
Series:Translational Neuroscience
Subjects:
Online Access:https://doi.org/10.1515/tnsci-2022-0226
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author Alonazi Mona
Ben Bacha Abir
Al Suhaibani Anwar
Almnaizel Ahmad T.
Aloudah Hisham S.
El-Ansary Afaf
author_facet Alonazi Mona
Ben Bacha Abir
Al Suhaibani Anwar
Almnaizel Ahmad T.
Aloudah Hisham S.
El-Ansary Afaf
author_sort Alonazi Mona
collection DOAJ
description This study aimed to evaluate the protective and therapeutic potency of bee pollen and probiotic mixture on brain intoxication caused by propionic acid (PPA) in juvenile rats. Five groups of six animals each, were used: the control group only receiving phosphate-buffered saline; the bee pollen and probiotic-treated group receiving a combination of an equal quantity of bee pollen and probiotic (0.2 kg/kg body weight); the PPA group being treated for 3 days with an oral neurotoxic dose of PPA (0.25 kg/kg body weight); the protective and therapeutic groups receiving bee pollen and probiotic mixture treatment right before and after the neurotoxic dose of PPA, respectively. The levels of interleukin (IL)-1ß, IL-6, IL-8, IL-10, IL-12, tumor necrosis factor α, and interferon γ (IFN-γ) were investigated to evaluate the neuroinflammatory responses in brain tissues from different animal groups. The much higher IL-1β, IL-8, and IFN-γ, as pro-inflammatory cytokines (P < 0.001), together with much lower IL-10, as anti-inflammatory cytokine (P < 0.001) compared to controls clearly demonstrated the neurotoxic effects of PPA. Interestingly, the mixture of bee pollen and probiotics was effective in alleviating PPA neurotoxic effects in both therapeutic and protective groups demonstrating highly significant changes in IL-1β, IL-8, IL-10, and IFN-γ levels together with non-significant reduction in IL-6 levels compared to PPA-treated rats. Overall, our findings demonstrated a new approach to the beneficial use of psychobiotics presenting as bee pollen and probiotic combination in neuroinflammation through cytokine changes as a possible role of glial cells in gut–brain axis.
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spelling doaj.art-5984509798264c19870cfef4dc4c40d92022-12-22T03:33:57ZengDe GruyterTranslational Neuroscience2081-69362022-09-0113129230010.1515/tnsci-2022-0226Psychobiotics improve propionic acid-induced neuroinflammation in juvenile rats, rodent model of autismAlonazi Mona0Ben Bacha Abir1Al Suhaibani Anwar2Almnaizel Ahmad T.3Aloudah Hisham S.4El-Ansary Afaf5Biochemistry Department, Science College, King Saud University, Riyadh 11495, Saudi ArabiaBiochemistry Department, Science College, King Saud University, P.O Box 22452, Riyadh 11495, Saudi ArabiaBiochemistry Department, Science College, King Saud University, Riyadh 11495, Saudi ArabiaExperimental Surgery and Animal Laboratory, College of Medicine, King Saud University, Riyadh, Saudi ArabiaExperimental Surgery and Animal Laboratory, College of Medicine, King Saud University, Riyadh, Saudi ArabiaCentral Laboratory, King Saud University, Riyadh, Saudi ArabiaThis study aimed to evaluate the protective and therapeutic potency of bee pollen and probiotic mixture on brain intoxication caused by propionic acid (PPA) in juvenile rats. Five groups of six animals each, were used: the control group only receiving phosphate-buffered saline; the bee pollen and probiotic-treated group receiving a combination of an equal quantity of bee pollen and probiotic (0.2 kg/kg body weight); the PPA group being treated for 3 days with an oral neurotoxic dose of PPA (0.25 kg/kg body weight); the protective and therapeutic groups receiving bee pollen and probiotic mixture treatment right before and after the neurotoxic dose of PPA, respectively. The levels of interleukin (IL)-1ß, IL-6, IL-8, IL-10, IL-12, tumor necrosis factor α, and interferon γ (IFN-γ) were investigated to evaluate the neuroinflammatory responses in brain tissues from different animal groups. The much higher IL-1β, IL-8, and IFN-γ, as pro-inflammatory cytokines (P < 0.001), together with much lower IL-10, as anti-inflammatory cytokine (P < 0.001) compared to controls clearly demonstrated the neurotoxic effects of PPA. Interestingly, the mixture of bee pollen and probiotics was effective in alleviating PPA neurotoxic effects in both therapeutic and protective groups demonstrating highly significant changes in IL-1β, IL-8, IL-10, and IFN-γ levels together with non-significant reduction in IL-6 levels compared to PPA-treated rats. Overall, our findings demonstrated a new approach to the beneficial use of psychobiotics presenting as bee pollen and probiotic combination in neuroinflammation through cytokine changes as a possible role of glial cells in gut–brain axis.https://doi.org/10.1515/tnsci-2022-0226bee pollenprobioticneurotoxicautismcytokinespsychobiotics
spellingShingle Alonazi Mona
Ben Bacha Abir
Al Suhaibani Anwar
Almnaizel Ahmad T.
Aloudah Hisham S.
El-Ansary Afaf
Psychobiotics improve propionic acid-induced neuroinflammation in juvenile rats, rodent model of autism
Translational Neuroscience
bee pollen
probiotic
neurotoxic
autism
cytokines
psychobiotics
title Psychobiotics improve propionic acid-induced neuroinflammation in juvenile rats, rodent model of autism
title_full Psychobiotics improve propionic acid-induced neuroinflammation in juvenile rats, rodent model of autism
title_fullStr Psychobiotics improve propionic acid-induced neuroinflammation in juvenile rats, rodent model of autism
title_full_unstemmed Psychobiotics improve propionic acid-induced neuroinflammation in juvenile rats, rodent model of autism
title_short Psychobiotics improve propionic acid-induced neuroinflammation in juvenile rats, rodent model of autism
title_sort psychobiotics improve propionic acid induced neuroinflammation in juvenile rats rodent model of autism
topic bee pollen
probiotic
neurotoxic
autism
cytokines
psychobiotics
url https://doi.org/10.1515/tnsci-2022-0226
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