Fig. 1. Involvement of the gut–brain axis in cognitive decline.
Table 1. Gastrointestinal tract and nervous system symptoms in subjects exhibiting cognitive decline
References
- Aagaard, K., Ma, J., Antony, K. M., Ganu, R., Petrosino, J. and Versalovic, J. 2014. The placenta harbors a unique microbiome. Sci. Transl. Med. 6, 237ra65. https://doi.org/10.1126/scitranslmed.3008599
- Akbari, E., Asemi, Z., Daneshvar, Kakhaki, R., Bahmani, F., Kouchaki, E., Tamtaji, O. R., Hamidi, G. A. and Salami, M. 2016. Effect of probiotic supplementation on cognitive function and metabolic status in Alzheimer's disease: A randomized, double-blind and controlled trial. Front. Aging. Neurosci. 8, 256.
- Bagyinszky, E., Giau, V. V., Shim, K., Suk, K., An, S. S. A. and Kim, S. 2017. Role of inflammatory molecules in the Alzheimer's disease progression and diagnosis. J. Neurol. Sci. 376, 242-254. https://doi.org/10.1016/j.jns.2017.03.031
- Baj, A., Moro, E., Bistoletti, M., Orlandi, V., Crema, F. and Giaroni, C. 2019. Glutamatergic signaling along the microbiota-gut-brain axis. Int. J. Mol. Sci. 20, E1482. https://doi.org/10.3390/ijms20061482
- Braniste, V., Al-Asmakh, M., Kowal, C., Anuar, F., Abbaspour, A., Toth, M., Korecka, A., Bakocevic, N., Ng, L. G., Kundu, P., Gulyas, B., Halldin, C., Hultenby, K., Nilsson, H., Hebert, H., Volpe, B. T., Diamond, B. and Pettersson, S. 2014. The gut microbiota influences blood-brain barrier permeability in mice. Sci. Transl. Med. 6, 263ra158. https://doi.org/10.1126/scitranslmed.3009759
- Browne, H. P., Veville, B. A., Forster, S. C. and Lawley, T. D. 2017. Transmission of the gut microbiota: spreading of health. Nat. Rev. Microbiol. 15, 531-543. https://doi.org/10.1038/nrmicro.2017.50
- Cai, H. Y., Yang, J. T., Wang, Z. J., Zhang, J., Yang, W., Wu, M. N. and Qi, J. S. 2018. Lixisenatide reduces amyloid plaques, neurofibrillary tangles and neuroinflammation in an APP/PS1/tau mouse model of Alzheimer's disease. Biochem. Biophys. Res. Commun. 495, 1034-1040. https://doi.org/10.1016/j.bbrc.2017.11.114
- Carney, R. S. E. D. 2019. Estrogen-dominant ovarian cycle stages are associated with neural network dysfunction and cognitive and behavioral deficits in the hAPP-J20 mouse model of Alzheimer's disease. eNeuro 6, e0179.
- Chen, W. W., Zhang, X. and Huang, W. J. 2016. Role of neuroinflammation in neurodegenerative disease (Review). Mol. Med. Rep. 13, 3391-3396. https://doi.org/10.3892/mmr.2016.4948
-
Chio, C. C., Chang, C. H., Wang, C. C., Cheong, C. U., Chao, C. M., Cheng, B. C., Yang, C. Z. and Chang, C. P. 2013. Etanercept attenuates traumatic brain injury in rats by reducing early microglial expression of tumor necrosis factor-
${\alpha}$ . BMC Neurosci. 14, 33. https://doi.org/10.1186/1471-2202-14-33 - Choi, J., Hur, T. Y. and Hong, Y. 2018. Influence of altered gut microbiota composition on aging and aging-related diseases. J. Lifestyle Med. 8, 1-7. https://doi.org/10.15280/jlm.2018.8.1.1
- Choi, J., Lee, S., Won, J., Jin, Y., Hong, Y., Hur, T. Y., Kim, J. H., Lee, S. R. and Hong, Y. 2018. Pathophysiological and neurobehavioral characteristics of a propionic acid-mediated autism-like rat model. PLoS One 13, e0192925. https://doi.org/10.1371/journal.pone.0192925
- Collado, M. C., Rautava, S., Aakko, J., Isolauri, E. and Salminen, S. 2016. Human gut colonization may be initiated in utero by distinct microbial communities in the placenta and amniotic fluid. Sci. Rep. 6, 23129. https://doi.org/10.1038/srep23129
- Dissanayaka, N. N. W., Lawson, R. A., Yarnall, A. J., Duncan, G. W., Breen, D. P., Khoo, T. K., Barker, R. A., Burn, D. J. and ICICLE-PD study group. 2017. Anxiety is associated with cognitive impairment in newly-diagnosed Parkinson's disease. Parkinsonism Relat. Disord. 36, 63-68. https://doi.org/10.1016/j.parkreldis.2017.01.001
- Dodiya, H. B., Forsyth, C. B., Voigt, R. M., Engen, P. A., Patel, J., Shaikh, M., Green, S. J., Nagib, A., Roy, A., Kordower, J. H, Pahan, K., Shannon, K. M. and Keshavarzian, A. 2018. Chronic stress-induced gut dysfunction exacerbates Parkinson's disease phenotype and pathology in a rotenone-induced mouse model of Parkinson's disease. Neurobiol. Dis. S0969-0061, 30768-X.
- Erdo, F., Denes, L. and de Lange, E. 2017. Age-associated physiological and pathological changes at the blood-brain barrier: A review. J. Cereb. Blood Flow Metab. 37, 4-24. https://doi.org/10.1177/0271678X16679420
- Franceschi, F., Ojetti, V., Candelli, M., Covino, M., Cardone, S., Potenza, A., Simeoni, B., Gabrielli, M., Sabia, L., Gasbarrini, G., Lopetuso, L., Scaldaferri, F., Rossini, P. M. and Gasbarrini, A. 2019. Microbes and Alzheimer's disease: lessons from H. pylori and gut microbiota. Eur. Rev. Med. Pharmacol. Sci. 23, 426-430.
- Frohlich, E. E., Farzi, A., Mayerhofer, R., Reichmann, F., Jacan, A., Wagner, B., Zinser, E., Bordag, N., Magnes, C., Frohlich, E., Kashoferm, K., Gorkiewicz, G. and Holzer, P. 2016. Cognitive impairment by antibiotic-induced gut dysbiosis: Analysis of gut microbiota-brain communication. Brain Behav. Immun. 56, 140-155. https://doi.org/10.1016/j.bbi.2016.02.020
- Funkhouser, L. J. and Bordenstein, S. R. 2013. Mom knows best: the universality of maternal microbial transmission. PLoS Biol. 11, e1001631. https://doi.org/10.1371/journal.pbio.1001631
- Garcez, M. L., Jacobs, K. R. and Guillemin, G. J. 2019. Microbiota alterations in Alzheimer's disease: Involvement of the kynurenine pathway and inflammation. Neurotox. Res. [Epub ahead of print]
- Gefen, T., Kim, G., Bolbolan, K., Geoly, A., Ohm, D., Oboudiyat, C., Shahidehpour, R., Rademaker, A., Weintraub, S., Bigio, E. H., Mesulam, M. M., Rogalski, E. and Geula, C. 2019. Activated microglia in cortical white matter across cognitive aging trajectories. Front. Aging Neurosci. 11, 94. https://doi.org/10.3389/fnagi.2019.00094
-
Ghosh, S., Wu, M. D., Shaftel, S. S., Kyrkanides, S., LaFerla, F. M., Olschowka, J. A. and O'Banion, M. K. 2013. Sustained interleukin-
$1{\beta}$ overexpression exacerbates tau pathology despite reduced amyloid burden in an Alzheimer's mouse model. J. Neurosci. 33, 5053-5064. https://doi.org/10.1523/JNEUROSCI.4361-12.2013 - Gray, M. T. and Woulfe, J. M. 2015. Striatal blood-brain barrier permeability in Parkinson's disease. J. Cereb. Blood Flow Metab. 35, 747-750. https://doi.org/10.1038/jcbfm.2015.32
- Ho, J. T., Chan, G. C. and Li, J. C. 2015. Systemic effects of gut microbiota and its relationship with disease and modulation. BMC Immunol. 16, 21. https://doi.org/10.1186/s12865-015-0083-2
- Holmgvist, S., Chutna, O., Bousset, L., Aldrin-Kirk, P., Li, W., Bjorklund, T., Wang, Z. Y., Roybon, L., Melki, R. and Li, J. Y. 2014. Direct evidence of Parkinson pathology spread from the gastrointestinal tract to the brain in rats. Acta Neuropathol. 128, 805-820. https://doi.org/10.1007/s00401-014-1343-6
-
Ho, P. W., Leung, C. T., Liu, H., Pang, S. Y., Lam, C. S., Xian, J., Li, L., Kung, M. H., Ramsden, D. B. and Ho, S. L. 2019. Age-dependent accumulation of oligomeric SNCA/
${\alpha}$ -synuclein from impaired degradation in mutant LRRK2 knockin mouse model of Parkinson disease: role for therapeutic activation of chaperone-mediated autophagy (CMA). Autophagy 14, 1-24. https://doi.org/10.1080/15548627.2017.1386821 - Hoyles, L., Snelling, T., Umlai, U. K., Nicholson, J. K., Carding, S. R., Glen, R. C. and McArthur, S. 2018. Microbiome-host systems interaction: protective effects of propionate upon the blood-brain barrier. Microbiome 6, 55. https://doi.org/10.1186/s40168-018-0439-y
- Ianiro, G., Tilg, H. and Gasbarrini, A. 2016. Antibiotics a s deep modulators of gut microbiota: between good and evil. Gut 65, 1906-1915. https://doi.org/10.1136/gutjnl-2016-312297
- Isaacson, S. H., Boroojerdi, B., Waln, O., McGraw, M., Kreitzman, D. L., Klos, K., Revilla, F. J., Heldman, D., Phillips, M., Terricabras, D., Markowitz, M., Woltering, F., Carson, S. and Truong, D. 2019. Effect of using a wearable device on clinical decision-making and motor symptoms in patients with Parkinson's disease starting transdermal rotigotine patch: A pilot study. Parkinsonism Relat. Disord. S1353-8020, 30025-2.
- Iyer, K. K., Au, T. R., Angwin, A. J., Copland, D. A. and Dissanayaka, N. N. W. 2019. Source activity during emotion processing and its relationship to cognitive impairment in Parkinson's disease. J. Affect. Disord. 253, 327-335. https://doi.org/10.1016/j.jad.2019.05.012
- Jagust, W. 2018. Imaging the evolution and pathophysiology of Alzheimer's disease. Nat. Rev. Neurosci. 19, 687-700. https://doi.org/10.1038/s41583-018-0067-3
- Jin, Y., Choi, J., Won, J. and Hong, Y. 2018. The relationship between autism spectrum disorder and melatonin during fetal development. Molecules 23, E198. https://doi.org/10.3390/molecules23010198
- Kakutani, S., Watanabe, H. and Murayama, N. 2019. Green tea intake and risks for dementia, Alzheimer's disease, mild cognitive impairment, and cognitive impairment: A systemic review. Nutrients 11, E1165. https://doi.org/10.3390/nu11051165
- Kashyap, G., Bapat, D., Das, D., Gowaikar, R., Amritkar, R. E., Rangarajan, G., Ravindranath, V. and Ambika, G. 2019. Synapse loss and progress of Alzheimer's disease -A network model. Sci. Rep. 9, 6555. https://doi.org/10.1038/s41598-019-43076-y
- Kumar, M., Babaei, P. and Nielsen, J. 2016. Human gut microbiota and healthy aging: Recent developments and future prospective. Nutr. Healthy Aging 4, 3-16. https://doi.org/10.3233/NHA-150002
- Li, X. J., Hong, X. Y., Wang, Y. L., Zhang, S. J., Zhang, J. F., Li, X. C., Liu, Y. C., Sun, D. S., Feng, Q., Ye, J. W., Gao, Y., Ke, D., Wang, Q., Li, H. L., Ye, K., Liu, G. P. and Wang, J. Z. 2019. Tau accumulation triggers STAT-1-dependent memory deficits by suppressing NMDA receptor expression. EMBO Rep. e47202.
- Minter, M. R., Taylor, J. M. and Crack, P. J. 2016. The contribution of neuroinflammation of amyloid toxicity in Alzheimer's disease. J. Neurochem. 136, 457-474. https://doi.org/10.1111/jnc.13411
- Mutic, A. D., Jordan, S., Edwards, S. M., Ferranti, E. P., Thul, T. A. and Yang, I. 2017. The postpartum maternal and newborn microbiomes. MCN Am. J. Matern. Child Nurs. 42, 326-331. https://doi.org/10.1097/NMC.0000000000000374
- Neufeld, K. M., Kang, N., Bienenstock, J. and Foster, J. A. 2011. Reduced anxiety-like behavior and central neurochemical change in germ-free mice. Neurogastroenterol. Motil. 23, 255-264. https://doi.org/10.1111/j.1365-2982.2010.01620.x
- Neuman, H., Forsythe, P., Uzan, A., Avni, O. and Koren, O. 2018. Antibiotics in early life: dysbiosis and the damage done. FEMS Microbiol. Rev. 42, 489-499.
- Perez-Pardo, P., Dodiya, H. B., Engen, P. A., Forsyth, C. B., Huschens, A. M., Shaikh, M., Voigt, R. M., Nagib, A., Green, S. J., Kordower, J. H., Shannon, K. M., Garssen, J., Kraneveld, A. D. and Keshavarzian, A. 2019. Role of TLR4 in the gut-brain axis in Parkinson's disease: a translational study from men to mice. Gut 68, 829-843. https://doi.org/10.1136/gutjnl-2018-316844
- Robbins, T. W. 2011. Cognition: the ultimate brain function. Neuropsychopharmacology 36, 1-2. https://doi.org/10.1038/npp.2010.171
- Romo-Araiza, A., Gutierrez-Salmean, G., Galvan, E. J., Hernandez-Frausto, M., Herrera-Lopez, G., Romo-Parra, H., Garcia-Contreras, V., Fernandez-Presas, A. M., Jasso-Chavez, R., Borlongan, C. V. and Ibarra, A. 2018. Probiotics and prebiotics as a therapeutic strategy to improve memory on a model of middle-aged rats. Front. Aging Neurosci. 10, 416. https://doi.org/10.3389/fnagi.2018.00416
- Saji, N., Niida, S., Murotani, K., Hisada, T., Tsuduki, T., Sugimoto, T., Kimura, A., Toba, K. and Sakurai, T. 2019. Analysis of the relationship between the gut microbiome and dementia: a cross-sectional study conducted in Japan. Sci. Rep. 9, 1008. https://doi.org/10.1038/s41598-018-38218-7
- Sampson, T. R., Debelius, J. W., Thron, T., Janssen, S., Shastri, G. G., Ilhan, Z. E., Challis, C., Schretter, C. E., Rocha, S., Gradinaru, V., Chesselet, M. F., Keshavarzian, A., Shannon, K. M., Krajmalnik-Brown, R., Wittung-Stafshede, P., Knight, R. and Mazmanian, S. K. 2016. Gut microbiota regulate motor deficits and neuroinflammation in a model of Parkinson's disease. Cell 167, 1469-1480. https://doi.org/10.1016/j.cell.2016.11.018
- Saraswati, S. and Sitaraman, R. 2015. Aging and the human gut microbiota-from correlation to causality. Front. Microbiol. 5, 764. https://doi.org/10.3389/fmicb.2014.00764
- Sender, R., Fuchs, S. and Milo, R. 2016. Revised estimates for the number of human and bacteria cells in the body. PLoS Biol. 14, e1002533. https://doi.org/10.1371/journal.pbio.1002533
-
Shi, Y., Lu, X., Zhang, L., Shu, H., Gu, L., Wang, Z., Gao, L., Zhu, J., Zhang, H., Zhou, D. and Zhang, Z. J. 2019. Potential value of plasma Amyloid-
${\beta}$ , total tau and neurofilament light for identification of early Alzheimer's disease. ACS Chem. Neurosci. [Epub ahead of print]. - Srivastav, S., Neupane, S., Bhurtel, S., Katila, N., Maharjan, S., Choi, H., Hong, J. T. and Choi, D. Y. 2019. Probiotics mixture increases butyrate, and subsequently rescues the nigral dopaminergic neurons from MPTP and rotenone-induced neurotoxicity. J. Nutr. Biochem. 69, 73-86. https://doi.org/10.1016/j.jnutbio.2019.03.021
- Sudo, N., Chida, Y., Aiba, Y., Sonoda, J., Oyama, N., Yu, X. N., Kubo, C. and Koga, Y. 2004. Postnatal microbial colonization programs the hypothalamic-pituitary-adrenal system for stress response in mice. J. Physiol. 558, 263-275. https://doi.org/10.1113/jphysiol.2004.063388
- Tian, P., Wang, G., Zhao, J., Zhang, H. and Chen, W. 2019. Bifidobacterium with the role of 5-hydroxytryptophan synthesis regulation alleviates the symptom of depression and related microbiota dysbiosis. J. Nutr. Biochem. 66, 43-51. https://doi.org/10.1016/j.jnutbio.2019.01.007
- Vina, J. and Sanz-Ros, J. 2018. Alzheimer's disease: Only prevention makes sense. Eur. J. Clin. Invest. 48, e13005. https://doi.org/10.1111/eci.13005
- Wang, M. M., Miao, D., Cao, X. P., Tan, L. and Tan, L. 2018. Innate immune activation in Alzheimer's disease. Ann. Transl. Med. 6, 177. https://doi.org/10.21037/atm.2018.04.20
- Wang, T., Hu, X., Liang, S., Li, W., Wu, X., Wang, L. and Jin, F. 2015. Lactobacillus fermentum NS9 restores the antibiotic induced physiological and psychological abnormalities in rat. Benef. Microbes 6, 707-717. https://doi.org/10.3920/BM2014.0177
- Weil, R. S., Winston, J. S., Leyland, L. A., Pappa, K., Mahmood, R. B., Morris, H. R. and Rees, G. 2019. Neural correlates of early cognitive dysfunction in Parkinson's disease. Ann. Clin. Transl. Neurol. 6, 902-912. https://doi.org/10.1002/acn3.767
- Welcome, M. O. 2019. Gut microbiota disorder, gut epithelial and blood-brain barrier dysfunctions in etiopathogenesis of dementia: Molecular mechanisms and signaling pathways. Neuromolecular Med. [Epub ahead of print].
- Woodmansey, E. J. 2007. Intestinal bacteria and ageing. J. Appl. Microbiol. 102, 1178-1186. https://doi.org/10.1111/j.1365-2672.2007.03400.x