L
Letícia D'Argenio-Garcia
Researcher at University of São Paulo
Publications - 2
Citations - 55
Letícia D'Argenio-Garcia is an academic researcher from University of São Paulo. The author has contributed to research in topics: Melatonin & Purinergic signalling. The author has an hindex of 2, co-authored 2 publications receiving 40 citations.
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Journal ArticleDOI
Dual Effect of Catecholamines and Corticosterone Crosstalk on Pineal Gland Melatonin Synthesis
Pedro Fernandes,Eduardo Koji Tamura,Letícia D'Argenio-Garcia,Sandra Marcia Muxel,Sanseray da Silveira Cruz-Machado,Marina Marçola,Claudia Emanuele Carvalho-Sousa,Erika Cecon,Zulma S. Ferreira,Regina P. Markus +9 more
TL;DR: The dual effect of corticosterone on pineal melatonin synthesis is determined by the activation pattern of adrenoceptors (β or β+α1) in the gland during GR activation, suggesting that increased activation of the sympathetic system and the hypothalamic-pituitary-adrenal axis are necessary for the control of melatonin production during defense responses.
Journal ArticleDOI
Adenosine triphosphate inhibits melatonin synthesis in the rat pineal gland.
Luis Henrique Souza-Teodoro,Letícia D'Argenio-Garcia,Camila Lopes Petrilli-Lapa,Ewerton da Silva de Souza,Pedro Fernandes,Regina P. Markus,Zulma S. Ferreira +6 more
TL;DR: It is demonstrated that purinergic signaling differentially modulates NAS andmelatonin synthesis and point to a regulatory role for ATP as a cotransmitter in the control of ASMT, the rate‐limiting enzyme in melatonin synthesis.