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Uncaria tomentosa (Willd. ex Schult.) DC. and Uncaria guianensis (Aubl.) J.F. Gmell

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Abstract

The jungles of Central and South America contain two predominant species of cat’s claw (Uña de Gato), Uncaria tomentosa (Willd. ex Schult.) DC. and Uncaria guianensis (Aubl.) J.F. Gmell, which are used in traditional medicine mainly for their anti-inflammatory properties. However, a wealth of compounds have been isolated from these two vines of the Rubiaceae family, including alkaloids, flavonoids and terpenoids, showing a wide range of activities: anti-inflammatory, anti-oxidative, hypotensor, antiviral, smooth muscle relaxant, antispasmodic, gastrointestinal mucosa protector, antiarrhythmic, anticonvulsant, analgesic, anti-leishmaniosis, cytostatic, cytotoxic, hypoglycaemizing, anticholestatic, antihistaminic, hepatoprotective, diuretic, antiulcer, immunostimulating and sedative effects. Some of these activities have been confirmed in both in vitro and in vivo models.

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Uncaria tomentosa (Willd. ex Schult.) DC.

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Abbreviations

POA:

Pentacyclic Oxindole Alkaloids

TOA:

Tetracyclic Oxindole Alkaloids

NF-κB:

Nuclear Transcription Factor

TNF-α:

Tumour Necrosis Factor alpha

IL-1:

Interleukin-1

PGE2 :

Prostaglandin E2

NO:

Nitric Oxide

COX-1:

Cyclooxygenase-1

iNOS:

inducible Nitric Oxygen Synthase

MAPK:

Mitogen-Activated Protein Kinase

MMP:

Matrix Metalloproteinases

VEGF:

Vascular Endothelial Growth Factor

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Acknowledgments

We would like to thank Ilsa Coronel for her help in the preparation of this manuscript.

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Correspondence to Izaskun Urdanibia .

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Urdanibia, I., Taylor, P. (2018). Uncaria tomentosa (Willd. ex Schult.) DC. and Uncaria guianensis (Aubl.) J.F. Gmell. In: Albuquerque, U., Patil, U., Máthé, Á. (eds) Medicinal and Aromatic Plants of South America. Medicinal and Aromatic Plants of the World, vol 5. Springer, Dordrecht. https://doi.org/10.1007/978-94-024-1552-0_41

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