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  • Devi, S Asha; Abhijit, S

    Methods in molecular biology (Clifton, N.J.), 2020, Letnik: 2138
    Journal Article

    The neurotransmitter acetylcholine (ACh) is involved in memory and cognitive functions, which normally decline with age. In this chapter, we describe qRT-PCR and immunohistochemical protocols for measurement of muscarinic ACh receptor M1 (m1AChR) levels in the brains of middle-aged rats, with and without administration of grape seed proanthocyanidin extract (GSPE) and exercise training. The analyses revealed that the interventions led to an increase in m1AChR mRNA and protein levels in the CA1 subfield of hippocampus. This would be expected to enhance Ach levels at synapses and thereby boost cognitive ability. The protocols can be applied to m1AChR measurements in neurodegenerative diseases and dementia.