The Anticancer Effect of Natural Plant Alkaloid Isoquinolines

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Abstract

Isoquinoline alkaloids-enriched herbal plants have been used as traditional folk medicine for their anti-inflammatory, antimicrobial, and analgesic effects. They induce cell cycle arrest, apoptosis, and autophagy, leading to cell death. While the molecular mechanisms of these effects are not fully understood, it has been suggested that binding to nucleic acids or proteins, enzyme inhibition, and epigenetic modulation by isoquinoline alkaloids may play a role in the effects. This review discusses recent evidence on the molecular mechanisms by which the isoquinoline alkaloids can be a therapeutic target of cancer treatment.

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Global Cancer Statistics 2018: GLOBOCAN Estimates of Incidence and Mortality Worldwide for 36 Cancers in 185 Countries

Ahmedin Jemal, Lindsey A Torre, Rebecca Siegel … (2018)

This article provides a status report on the global burden of cancer worldwide using the GLOBOCAN 2018 estimates of cancer incidence and mortality produced by the International Agency for Research on Cancer, with a focus on geographic variability across 20 world regions. There will be an estimated 18.1 million new cancer cases (17.0 million excluding nonmelanoma skin cancer) and 9.6 million cancer deaths (9.5 million excluding nonmelanoma skin cancer) in 2018. In both sexes combined, lung cancer is the most commonly diagnosed cancer (11.6% of the total cases) and the leading cause of cancer death (18.4% of the total cancer deaths), closely followed by female breast cancer (11.6%), prostate cancer (7.1%), and colorectal cancer (6.1%) for incidence and colorectal cancer (9.2%), stomach cancer (8.2%), and liver cancer (8.2%) for mortality. Lung cancer is the most frequent cancer and the leading cause of cancer death among males, followed by prostate and colorectal cancer (for incidence) and liver and stomach cancer (for mortality). Among females, breast cancer is the most commonly diagnosed cancer and the leading cause of cancer death, followed by colorectal and lung cancer (for incidence), and vice versa (for mortality); cervical cancer ranks fourth for both incidence and mortality. The most frequently diagnosed cancer and the leading cause of cancer death, however, substantially vary across countries and within each country depending on the degree of economic development and associated social and life style factors. It is noteworthy that high-quality cancer registry data, the basis for planning and implementing evidence-based cancer control programs, are not available in most low- and middle-income countries. The Global Initiative for Cancer Registry Development is an international partnership that supports better estimation, as well as the collection and use of local data, to prioritize and evaluate national cancer control efforts. CA: A Cancer Journal for Clinicians 2018;0:1-31. © 2018 American Cancer Society.

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Apoptosis: a review of programmed cell death.

Susan A. Elmore (2007)

The process of programmed cell death, or apoptosis, is generally characterized by distinct morphological characteristics and energy-dependent biochemical mechanisms. Apoptosis is considered a vital component of various processes including normal cell turnover, proper development and functioning of the immune system, hormone-dependent atrophy, embryonic development and chemical-induced cell death. Inappropriate apoptosis (either too little or too much) is a factor in many human conditions including neurodegenerative diseases, ischemic damage, autoimmune disorders and many types of cancer. The ability to modulate the life or death of a cell is recognized for its immense therapeutic potential. Therefore, research continues to focus on the elucidation and analysis of the cell cycle machinery and signaling pathways that control cell cycle arrest and apoptosis. To that end, the field of apoptosis research has been moving forward at an alarmingly rapid rate. Although many of the key apoptotic proteins have been identified, the molecular mechanisms of action or inaction of these proteins remain to be elucidated. The goal of this review is to provide a general overview of current knowledge on the process of apoptosis including morphology, biochemistry, the role of apoptosis in health and disease, detection methods, as well as a discussion of potential alternative forms of apoptosis.

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AMPK and mTOR regulate autophagy through direct phosphorylation of Ulk1.

Joungmok Kim, Mondira Kundu, Benoit Viollet … (2011)

Autophagy is a process by which components of the cell are degraded to maintain essential activity and viability in response to nutrient limitation. Extensive genetic studies have shown that the yeast ATG1 kinase has an essential role in autophagy induction. Furthermore, autophagy is promoted by AMP activated protein kinase (AMPK), which is a key energy sensor and regulates cellular metabolism to maintain energy homeostasis. Conversely, autophagy is inhibited by the mammalian target of rapamycin (mTOR), a central cell-growth regulator that integrates growth factor and nutrient signals. Here we demonstrate a molecular mechanism for regulation of the mammalian autophagy-initiating kinase Ulk1, a homologue of yeast ATG1. Under glucose starvation, AMPK promotes autophagy by directly activating Ulk1 through phosphorylation of Ser 317 and Ser 777. Under nutrient sufficiency, high mTOR activity prevents Ulk1 activation by phosphorylating Ulk1 Ser 757 and disrupting the interaction between Ulk1 and AMPK. This coordinated phosphorylation is important for Ulk1 in autophagy induction. Our study has revealed a signalling mechanism for Ulk1 regulation and autophagy induction in response to nutrient signalling.

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Author and article information

Contributors

Michele Navarra: Role: Academic Editor

Thomas Efferth: Role: Academic Editor

Santa Cirmi: Role: Academic Editor

Alessandro Maugeri: Role: Academic Editor

Journal

Journal ID (nlm-ta): Int J Mol Sci

Journal ID (iso-abbrev): Int J Mol Sci

Journal ID (publisher-id): ijms

Title: International Journal of Molecular Sciences

Publisher: MDPI

ISSN (Electronic): 1422-0067

Publication date (Electronic): 06 February 2021

Publication date Collection: February 2021

Volume: 22

Issue: 4

Electronic Location Identifier: 1653

Affiliations

[1 ]System Health & Engineering Major in Graduate School (BK21 Plus Program), Ewha Womans University, Seoul 03760, Korea; dahye342@ 123456gmail.com (D.Y.); syyoon0504@ 123456gmail.com (S.Y.Y.)

[2 ]Department of Nutritional Science and Food Management, Ewha Womans University, Seoul 03760, Korea

[3 ]Department of Sasang Constitutional Medicine, Woosuk University, Jeollabuk-do 55338, Korea

Author notes

[* ]Correspondence: soojungpark@ 123456woosuk.ac.kr (S.J.P.); park.yoonjung@ 123456ewha.ac.kr (Y.J.P.); Tel.: +82-63-220-8676 (S.J.P.); +82-2-3277-6533 (Y.J.P.)

Author information

Soo Jung Park https://orcid.org/0000-0001-8191-4290

Yoon Jung Park https://orcid.org/0000-0001-6999-4996

Article

Publisher ID: ijms-22-01653

DOI: 10.3390/ijms22041653

PMC ID: 7915290

PubMed ID: 33562110

SO-VID: c99617ef-2009-4885-8964-e474bafc167b

License:

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/).

The Anticancer Effect of Natural Plant Alkaloid Isoquinolines

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Abstract

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Higher order chromatin architecture

Most cited references 132

Global Cancer Statistics 2018: GLOBOCAN Estimates of Incidence and Mortality Worldwide for 36 Cancers in 185 Countries

Apoptosis: a review of programmed cell death.

AMPK and mTOR regulate autophagy through direct phosphorylation of Ulk1.

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