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| ==Further Reading== | |||
| {{cite book|title=The Psychobiotic Revolution|publisher=Random House US|first1=Scott C.|last1=Anderson|first2=John F.|last2=Cryan|first3=Ted|last3=Dinan|date=17 December 2019|isbn=9781426219641}} | |||
Revision as of 04:08, 29 March 2024
Microorganisms giving mental health effects | This article needs more reliable medical references for verification or relies too heavily on primary sources. Please review the contents of the article and add the appropriate references if you can. Unsourced or poorly sourced material may be challenged and removed. Find sources: "Psychobiotic" – news · newspapers · books · scholar · JSTOR (December 2018) |  |
Psychobiotics is a term used in preliminary research to refer to live bacteria that, when ingested in appropriate amounts, might confer a mental health benefit by affecting microbiota of the host organism. Whether bacteria might play a role in the gut-brain axis is under research. A 2020 literature review suggests that the consumption of psychobiotics could be considered as a viable option to restore mental health although lacking randomized controlled trials on clear mental health outcomes in humans.
Types
In experimental probiotic psychobiotics, the bacteria most commonly used are gram-positive bacteria, such as Bifidobacterium and Lactobacillus families, as these do not contain lipopolysaccharide chains, reducing the likelihood of an immunological response. Prebiotics are substances, such as fructans and oligosaccharides, that induce the growth or activity of beneficial microorganisms, such as bacteria on being fermented in the gut. Multiple bacterial species contained in a single probiotic broth is known as a polybiotic.
Research
A 2021 review showed that treating anxiety in young people with psychobiotics had no significant effect. There is a need for more diverse human studies, mainly because those that exist have contradictory outcomes.
Species
_Lactobacillus_acidophilus_(D%C3%B6derlein_bacillus).jpg)
Several species of bacteria have been used in probiotic psychobiotic research:
- Lactobacillus helveticus
- Bifidobacterium longum
- Lactobacillus casei
- Lactobacillus plantarum
- Lactobacillus acidophilus
- Lactobacillus delbrueckii subsp. bulgaricus
- Bifidobacterium breve
- Bifidobacterium infantis
- Streptococcus salivarius
- Lactobacillus rhamnosus
- Lactobacillus gasseri
References
- ^ Sarkar A, Lehto SM, Harty S, Dinan TG, Cryan JF, Burnet PW (November 2016). "Psychobiotics and the Manipulation of Bacteria-Gut-Brain Signals". Trends in Neurosciences. 39 (11): 763–81. doi:10.1016/j.tins.2016.09.002. PMC 5102282. PMID 27793434.
- Del Toro-Barbosa, M.; Hurtado-Romero, A.; Garcia-Amezquita, L. E.; García-Cayuela, T. (2020). "Psychobiotics: Mechanisms of Action, Evaluation Methods and Effectiveness in Applications with Food Products". Nutrients. 12 (12): 3896. doi:10.3390/nu12123896. PMC 7767237. PMID 33352789.
- ^ Romijn AR, Rucklidge JJ (October 2015). "Systematic review of evidence to support the theory of psychobiotics". Nutrition Reviews. 73 (10): 675–93. doi:10.1093/nutrit/nuv025. PMID 26370263.
- ^ Liu B, He Y, Wang M, Liu J, Ju Y, Zhang Y, Liu T, Li L, Li Q (July 2018). "Efficacy of probiotics on anxiety-A meta-analysis of randomized controlled trials". Depression and Anxiety. 35 (10): 935–45. doi:10.1002/da.22811. PMID 29995348. S2CID 51615532.
- Hutkins RW, Krumbeck JA, Bindels LB, Cani PD, Fahey G, Goh YJ, Hamaker B, Martens EC, Mills DA, Rastal RA, Vaughan E, Sanders ME (February 2016). "Prebiotics: why definitions matter". Current Opinion in Biotechnology. 37: 1–7. doi:10.1016/j.copbio.2015.09.001. PMC 4744122. PMID 26431716.
- ^ Bambury A, Sandhu K, Cryan JF, Dinan TG (December 2018). "Finding the needle in the haystack: systematic identification of psychobiotics". British Journal of Pharmacology. 175 (24): 4430–38. doi:10.1111/bph.14127. PMC 6255950. PMID 29243233.
- ^ Cohen Kadosh, Kathrin; Basso, Melissa; Knytl, Paul; Johnstone, Nicola; Lau, Jennifer Y. F.; Gibson, Glenn R. (2021-06-16). "Psychobiotic interventions for anxiety in young people: a systematic review and meta-analysis, with youth consultation". Translational Psychiatry. 11 (1): 352. doi:10.1038/s41398-021-01422-7. ISSN 2158-3188. PMC 8206413. PMID 34131108.
- Dinan TG, Stanton C, Cryan JF (November 2013). "Psychobiotics: a novel class of psychotropic". Biological Psychiatry. 74 (10): 720–26. doi:10.1016/j.biopsych.2013.05.001. PMID 23759244. S2CID 40059439.
Further Reading
Anderson, Scott C.; Cryan, John F.; Dinan, Ted (17 December 2019). The Psychobiotic Revolution. Random House US. ISBN 9781426219641.
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