Natural Products in Chemo- or Hormone Therapy

A special issue of Biomolecules (ISSN 2218-273X).

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 5126

Special Issue Editor

Division of Cancer Research and Training, Charles R. Drew University of Medicine and Science, Los Angeles, CA 90059, USA
Interests: cancer chemoprevention and therapy; anti-cancer phytochemicals; combination treatment; mechanistic study; biomarker/target identification
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Special Issue Information

Dear Colleagues,

Chemo- and hormone therapy represent the two main treatments for advanced stages of most types of cancer. However, the clinical success of chemo- and hormone therapeutics is commonly limited by intrinsic or acquired drug resistance, as well as their side effects. Due to the complexity and heterogeneity in cancer genetics, it may be necessary to target multiple signaling pathways within a cancer in order to achieve durable control of the cancer. Given that chemo- and hormone therapy drugs typically have sole or few molecular targets, combinations of these drugs have been widely tested and many have shown encouraging outcomes in enhancing therapeutic effects. Nevertheless, increased toxicity associated with drug–drug combinations is a considerable challenge.

Many natural products, particularly phytochemicals, have drawn increasing interest for their potential to be non-toxic anticancer agents. Natural products are typically able to target multiple signaling molecules and cellular events, promising systemic and durable control of cancer. However, the potency of their targeting activities is usually moderate, as indicated by their relatively high-effective doses as compared to that of drugs. In addition, the bioavailability of most natural compounds is relatively low, and, as a result, their effective doses as needed in vitro can barely be achieved in vivo by oral consumption at safe dose levels.

A combination of natural compounds with chemo- and/or hormone therapy seems to be a promising strategy to overcome the disadvantages of both to achieve a synergistic effect, which indeed has been observed in many previous preclinical studies. This Special Issue aims to facilitate the advancement of this research area by broadcasting the latest findings from mechanistic studies, translational studies, and clinical trial studies. Both research and review articles will be considered.

Dr. Piwen Wang
Guest Editor

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Keywords

  • natural compounds
  • chemotherapy
  • hormone therapy
  • cancer
  • phytochemicals
  • combination

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Published Papers (1 paper)

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Review

27 pages, 14409 KiB  
Review
Phytochemicals in Inhibition of Prostate Cancer: Evidence from Molecular Mechanisms Studies
by Qiongyu Hao, Yanyuan Wu, Jaydutt V. Vadgama and Piwen Wang
Biomolecules 2022, 12(9), 1306; https://doi.org/10.3390/biom12091306 - 16 Sep 2022
Cited by 14 | Viewed by 4244
Abstract
Prostate cancer is one of the leading causes of death for men worldwide. The development of resistance, toxicity, and side effects of conventional therapies have made prostate cancer treatment become more intensive and aggressive. Many phytochemicals isolated from plants have shown to be [...] Read more.
Prostate cancer is one of the leading causes of death for men worldwide. The development of resistance, toxicity, and side effects of conventional therapies have made prostate cancer treatment become more intensive and aggressive. Many phytochemicals isolated from plants have shown to be tumor cytotoxic. In vitro laboratory studies have revealed that natural compounds can affect cancer cell proliferation by modulating many crucial cellular signaling pathways frequently dysregulated in prostate cancer. A multitude of natural compounds have been found to induce cell cycle arrest, promote apoptosis, inhibit cancer cell growth, and suppress angiogenesis. In addition, combinatorial use of natural compounds with hormone and/or chemotherapeutic drugs seems to be a promising strategy to enhance the therapeutic effect in a less toxic manner, as suggested by pre-clinical studies. In this context, we systematically reviewed the currently available literature of naturally occurring compounds isolated from vegetables, fruits, teas, and herbs, with their relevant mechanisms of action in prostate cancer. As there is increasing data on how phytochemicals interfere with diverse molecular pathways in prostate cancer, this review discusses and emphasizes the implicated molecular pathways of cell proliferation, cell cycle control, apoptosis, and autophagy as important processes that control tumor angiogenesis, invasion, and metastasis. In conclusion, the elucidation of the natural compounds’ chemical structure-based anti-cancer mechanisms will facilitate drug development and the optimization of drug combinations. Phytochemicals, as anti-cancer agents in the treatment of prostate cancer, can have significant health benefits for humans. Full article
(This article belongs to the Special Issue Natural Products in Chemo- or Hormone Therapy)
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