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Use of galantamine in the treatment of Alzheimer's disease and strategies to optimize its biosynthesis using the in vitro culture technique

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Abstract

Galantamine is an alkaloid in the Amaryllidaceae family widely used in the treatment of Alzheimer's disease. Since its approval for clinical use in 2001, its effectiveness has been attested in numerous clinical trials. Due to the expressive and growing increase in Alzheimer's disease cases in the world, driven by the increase in life expectancy, the main risk factor for neurodegenerative diseases, demand for galantamine is expected to be intensified, this aggravating factor has encouraged researchers to seek viable alternatives for the commercialization of galantamine on a larger scale. However, due to its complex stereochemistry, the organic synthesis of galantamine proved to be a challenging task, thus constituting plants as its main source of production. In this sense, biotechnological techniques have emerged as an alternative and a more efficient means, since plants biosynthesize galantamine and other alkaloids without difficulty. This review summarizes the results of studies on the tools currently available in plant tissue culture capable of optimizing galantamine production aiming at large scale production for the treatment of Alzheimer's disease. Results of galantamine biosynthesis optimization from the use of biotic and abiotic elicitors, plants growth regulators, phytoregulator and precursors agents or intermediate components, endorse the clinical importance of galantamine in the treatment of Alzheimer's disease and the role of in vitro cultivation technique as an environmentally sustainable culture, are discussed.

Key message

Biotechnological strategies can optimize the biosynthesis of galantamine in vitro for treating Alzheimer’s disease, such as the use of elicitors, plant growth regulators, precursor agents, besides be a technique environmentally sustainable.

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Abbreviations

2,4-D:

2,4-Dichlorophenoxyacetic acid

AA:

Arachidonic acid

Aβ:

Amyloid β-protein

ACh:

Acetylcholine

AChE:

Acetylcholinesterase

AD:

Alzheimer disease

ANVISA:

The Brazilian Health Surveillance Agency

BA:

6-Benzyladenine

BAP:

Benzylaminopurine

CHI:

Chitosan

DW:

Dry weight

FDA:

Food and drug administration

FW:

Fresh weight

GAL:

Galantamine

G.D.P.:

Gross domestic product

IUCN:

International Union for Conservation of Nature

Melatonin::

(N-acetyl-5-methoxy tryptamine)

MJ:

Methyl jasmonate

MS:

Murashige and skoog basal medium

NAA:

Naphthalene-1-acetic acid

NFNGAL:

N-formylnorgalantamine

NpN4OMT:

Norbelladine 4-O-methyltransferase

PAL:

Phenylalanine ammonia lyase

PGRs:

Plant growth regulators

Picloram:

4-Amino-3,5,6-trichloro picolinic acid

SA:

Salicylic acid

TAZ:

Tazettine

TD:

Tyrosine decarboxylase

Zeatin:

6-(4-Hydroxy-3-methylbut-2-enylamino purine

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Acknowledgements

The authors are grateful to the University of Brasilia for providing the facilities to carry out this work and, to financing in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES)—Finance Code 001, CNPq and FAPDF, for the support and scholarships.

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Correspondence to Gabriella Sousa Santos or Kicia Karinne Pereira Gomes-Copeland.

Additional information

Communicated by Nokwanda Pearl Makunga.

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Santos, G.S., Sinoti, S.B.P., de Almeida, F.T.C. et al. Use of galantamine in the treatment of Alzheimer's disease and strategies to optimize its biosynthesis using the in vitro culture technique. Plant Cell Tiss Organ Cult 143, 13–29 (2020). https://doi.org/10.1007/s11240-020-01911-5

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  • DOI: https://doi.org/10.1007/s11240-020-01911-5

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