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Jaqueline Moraes Bazioli
Faculty of Pharmaceutical Sciences, University of Campinas, 13083-859 Campinas, SP, Brazil

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Journal article
Published: 27 March 2020 in Molecules
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The research of natural products has allowed for the discovery of biologically relevant compounds inspired by plant secondary metabolites, which contributes to the development of many chemotherapeutic drugs used in cancer treatment. Psidium guajava leaves present a diverse phytochemical composition including flavonoids, phenolics, meroterpenoids, and triterpenes as the major bioactive constituents. Guajadial, a caryophyllene-based meroterpenoid, has been studied for potential anticancer effects tested in tumor cells and animal experimental models. Moreover, guajadial has been reported to have a mechanism of action similar to tamoxifen, suggesting this compound as a promisor phytoestrogen-based therapeutic agent. Herein, the anti-estrogenic action and anti-proliferative activity of guajadial is reported. The enriched guajadial fraction was obtained by sequential chromatographic techniques from the crude P. guajava dichloromethane extract showing promising anti-proliferative activity in vitro with selectivity for human breast cancer cell lines MCF-7 and MCF-7 BUS (Total Growth Inhibition = 5.59 and 2.27 µg·mL−1, respectively). Furthermore, evaluation of anti-estrogenic activity in vivo was performed demonstrating that guajadial enriched fraction inhibited the proliferative effect of estradiol on the uterus of pre-pubescent rats. These results suggest a relationship between anti-proliferative and anti-estrogenic activity of guajadial, which possibly acts in tumor inhibition through estrogen receptors due to the compounds structural similarity to tamoxifen.

ACS Style

Jaqueline Moraes Bazioli; Jonas Henrique Costa; Larissa Shiozawa; Ana Lúcia Tasca Gois Ruiz; Mary Ann Foglio; João Ernesto De Carvalho. Anti-Estrogenic Activity of Guajadial Fraction, from Guava Leaves (Psidium guajava L.). Molecules 2020, 25, 1525 .

AMA Style

Jaqueline Moraes Bazioli, Jonas Henrique Costa, Larissa Shiozawa, Ana Lúcia Tasca Gois Ruiz, Mary Ann Foglio, João Ernesto De Carvalho. Anti-Estrogenic Activity of Guajadial Fraction, from Guava Leaves (Psidium guajava L.). Molecules. 2020; 25 (7):1525.

Chicago/Turabian Style

Jaqueline Moraes Bazioli; Jonas Henrique Costa; Larissa Shiozawa; Ana Lúcia Tasca Gois Ruiz; Mary Ann Foglio; João Ernesto De Carvalho. 2020. "Anti-Estrogenic Activity of Guajadial Fraction, from Guava Leaves (Psidium guajava L.)." Molecules 25, no. 7: 1525.

Review
Published: 06 August 2019 in Toxins
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Citrus are vulnerable to the postharvest decay caused by Penicillium digitatum, Penicillium italicum, and Geotrichum citri-aurantii, which are responsible for the green mold, blue mold, and sour rot post-harvest disease, respectively. The widespread economic losses in citriculture caused by these phytopathogens are minimized with the use of synthetic fungicides such as imazalil, thiabendazole, pyrimethanil, and fludioxonil, which are mainly employed as control agents and may have harmful effects on human health and environment. To date, numerous non-chemical postharvest treatments have been investigated for the control of these pathogens. Several studies demonstrated that biological control using microbial antagonists and natural products can be effective in controlling postharvest diseases in citrus, as well as the most used commercial fungicides. Therefore, microbial agents represent a considerably safer and low toxicity alternative to synthetic fungicides. In the present review, these biological control strategies as alternative to the chemical fungicides are summarized here and new challenges regarding the development of shelf-stable formulated biocontrol products are also discussed.

ACS Style

Jaqueline Moraes Bazioli; João Raul Belinato; Jonas Henrique Costa; Daniel Yuri Akiyama; João Guilherme De Moraes Pontes; Katia Cristina Kupper; Fabio Augusto; João Ernesto De Carvalho; Taícia Pacheco Fill. Biological Control of Citrus Postharvest Phytopathogens. Toxins 2019, 11, 460 .

AMA Style

Jaqueline Moraes Bazioli, João Raul Belinato, Jonas Henrique Costa, Daniel Yuri Akiyama, João Guilherme De Moraes Pontes, Katia Cristina Kupper, Fabio Augusto, João Ernesto De Carvalho, Taícia Pacheco Fill. Biological Control of Citrus Postharvest Phytopathogens. Toxins. 2019; 11 (8):460.

Chicago/Turabian Style

Jaqueline Moraes Bazioli; João Raul Belinato; Jonas Henrique Costa; Daniel Yuri Akiyama; João Guilherme De Moraes Pontes; Katia Cristina Kupper; Fabio Augusto; João Ernesto De Carvalho; Taícia Pacheco Fill. 2019. "Biological Control of Citrus Postharvest Phytopathogens." Toxins 11, no. 8: 460.

Review
Published: 20 June 2017 in Molecules
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Over the past few years Penicillium brasilianum has been isolated from many different environmental sources as soil isolates, plant endophytes and onion pathogen. All investigated strains share a great ability to produce bioactive secondary metabolites. Different authors have investigated this great capability and here we summarize the metabolic potential and the biological activities related to P. brasilianum’s metabolites with diverse structures. They include secondary metabolites of an alkaloid nature, i.e., 2,5-diketopiperazines, cyclodepsipeptides, meroterpenoids and polyketides. Penicillium brasilianum is also described as a great source of enzymes with biotechnological application potential, which is also highlighted in this review. Additionally, this review will focus on several aspects of Penicillium brasilianum and interesting genomic insights.

ACS Style

Jaqueline Moraes Bazioli; Luciana Da Silva Amaral; Taícia Pacheco Fill; Edson Rodrigues-Filho. Insights into Penicillium brasilianum Secondary Metabolism and Its Biotechnological Potential. Molecules 2017, 22, 858 .

AMA Style

Jaqueline Moraes Bazioli, Luciana Da Silva Amaral, Taícia Pacheco Fill, Edson Rodrigues-Filho. Insights into Penicillium brasilianum Secondary Metabolism and Its Biotechnological Potential. Molecules. 2017; 22 (6):858.

Chicago/Turabian Style

Jaqueline Moraes Bazioli; Luciana Da Silva Amaral; Taícia Pacheco Fill; Edson Rodrigues-Filho. 2017. "Insights into Penicillium brasilianum Secondary Metabolism and Its Biotechnological Potential." Molecules 22, no. 6: 858.