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Zou Q, Chunduru J, LaRoe N, Yang Y, Mohamed TA, Hegazi NM, Ibrahim MAA, Hegazy MEF, Pappas D, Paré PW. Anti-tumor withanolides as signal transducers and activators of transcription 3 (STAT3)-inhibition from Withania obtusifolia. Fitoterapia 2024; 177:106124. [PMID: 38996879 DOI: 10.1016/j.fitote.2024.106124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 07/08/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
The Solanaceae family and the Withania genus specifically are rich sources of medicinal plants. Liquid chromatography coupled to high-resolution mass spectrometry (LC-HRMS/MS) revealed a predominance of withanolides from an organic extract of Withania obtusifolia. A constructed molecular network uncovered the presence of potentially novel withanolides. A series of withanolides were then isolated and structurally characterized from the extract including two new withanolides (withafolia A and withafolia B) and seven previously reported metabolites. Of the isolated compounds, cytotoxicity of withanolide J, physaperuvin G, and a commercial STAT3 inhibitor (S3I-201) were assessed against a human leukemia HL-60 cell line resulting in IC50 values of 26, 29, and 120 μM, respectively. In silico molecular docking simulations indicate that withanolide J and physaperuvin G can bind as an inhibitor in the active site of STAT3 with docking scores comparable to the selective STAT3 inhibitor, S3I-201.
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Affiliation(s)
- Qingya Zou
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Jayendra Chunduru
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Nicholas LaRoe
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Yijia Yang
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Tarik A Mohamed
- Chemistry of Medicinal Plants Department, National Research Centre, Giza 12622, Egypt
| | - Nesrine M Hegazi
- Phytochemistry and Plant Systematics Department, National Research Centre, Giza 12622, Egypt
| | - Mahmoud A A Ibrahim
- Computational Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia 61519, Egypt
| | | | - Dimitri Pappas
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Paul W Paré
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, TX 79409, USA.
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Wijeratne EMK, Xu YM, Padumadasa C, Astashkin AV, Gunatilaka AAL. A Homodimer of Withaferin A Formed by Base-Promoted Elimination of Acetic Acid from 27- O-Acetylwithaferin A Followed by a Diels-Alder Reaction. JOURNAL OF NATURAL PRODUCTS 2024; 87:583-590. [PMID: 38414352 DOI: 10.1021/acs.jnatprod.3c01003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Treatment of 27-O-acetylwithaferin A (2) with the non-nucleophilic base, 1,8-diazabicyclo[5,4,0]undec-7-ene (DBU), afforded 5β,6β-epoxy-4β-hydroxy-1-oxo-witha-2(3),23(24),25(27)-trienolide (3) and 4, a homodimer of withaferin A resulting from a Diels-Alder [4 + 2] type cycloaddition of the intermediate α,β-dimethylene-δ-lactone (9). Structures of 3 and 4 were elucidated using HRMS and 1D and 2D NMR spectroscopic data. The structure of 4 was also confirmed by single crystal X-ray crystallographic analysis of its bis-4-O-p-nitrobenzoate (8). Formation of withaferin A homodimer (4) as the major product suggests regio- and stereoselectivity of the Diels-Alder [4 + 2] cycloaddition reaction of 9. Acetylation of 2-4 afforded their acetyl derivatives 5-7, respectively. Compounds 2-4 and 6-8 were evaluated for their cytotoxic activities against four prostate cancer (PC) cell lines (LNCaP, 22Rv1, DU-145, and PC-3) and normal human foreskin fibroblast (HFF) cells. Significantly, 4 exhibited improved activity compared to the other compounds for most of the tested cell lines.
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Affiliation(s)
- E M Kithsiri Wijeratne
- Southwest Center for Natural Products Research, School of Natural Resources and the Environment, College of Agriculture, Life and Environmental Sciences, University of Arizona, 1064 E. Lowell Street, Tucson, Arizona 85719, United States
| | - Ya-Ming Xu
- Southwest Center for Natural Products Research, School of Natural Resources and the Environment, College of Agriculture, Life and Environmental Sciences, University of Arizona, 1064 E. Lowell Street, Tucson, Arizona 85719, United States
| | - Chayanika Padumadasa
- Southwest Center for Natural Products Research, School of Natural Resources and the Environment, College of Agriculture, Life and Environmental Sciences, University of Arizona, 1064 E. Lowell Street, Tucson, Arizona 85719, United States
- Department of Chemistry, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda 10250, Sri Lanka
| | - Andrei V Astashkin
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - A A Leslie Gunatilaka
- Southwest Center for Natural Products Research, School of Natural Resources and the Environment, College of Agriculture, Life and Environmental Sciences, University of Arizona, 1064 E. Lowell Street, Tucson, Arizona 85719, United States
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Kumar S, Mathew SO, Aharwal RP, Tulli HS, Mohan CD, Sethi G, Ahn KS, Webber K, Sandhu SS, Bishayee A. Withaferin A: A Pleiotropic Anticancer Agent from the Indian Medicinal Plant Withania somnifera (L.) Dunal. Pharmaceuticals (Basel) 2023; 16:160. [PMID: 37259311 PMCID: PMC9966696 DOI: 10.3390/ph16020160] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 08/04/2023] Open
Abstract
Cancer represents the second most deadly disease and one of the most important public health concerns worldwide. Surgery, chemotherapy, radiation therapy, and immune therapy are the major types of treatment strategies that have been implemented in cancer treatment. Unfortunately, these treatment options suffer from major limitations, such as drug-resistance and adverse effects, which may eventually result in disease recurrence. Many phytochemicals have been investigated for their antitumor efficacy in preclinical models and clinical studies to discover newer therapeutic agents with fewer adverse effects. Withaferin A, a natural bioactive molecule isolated from the Indian medicinal plant Withania somnifera (L.) Dunal, has been reported to impart anticancer activities against various cancer cell lines and preclinical cancer models by modulating the expression and activity of different oncogenic proteins. In this article, we have comprehensively discussed the biosynthesis of withaferin A as well as its antineoplastic activities and mode-of-action in in vitro and in vivo settings. We have also reviewed the effect of withaferin A on the expression of miRNAs, its combinational effect with other cytotoxic agents, withaferin A-based formulations, safety and toxicity profiles, and its clinical potential.
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Affiliation(s)
- Suneel Kumar
- Bio-Design Innovation Centre, Rani Durgavati University, Jabalpur 482 001, India
| | - Stephen O. Mathew
- Department of Microbiology, Immunology, and Genetics, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
| | | | - Hardeep Singh Tulli
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala 133 207, India
| | | | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore
| | - Kwang-Seok Ahn
- Department of Science in Korean Medicine, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Kassidy Webber
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA
| | - Sardul Singh Sandhu
- Bio-Design Innovation Centre, Rani Durgavati University, Jabalpur 482 001, India
| | - Anupam Bishayee
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA
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Review on Bortezomib Resistance in Multiple Myeloma and Potential Role of Emerging Technologies. Pharmaceuticals (Basel) 2023; 16:ph16010111. [PMID: 36678608 PMCID: PMC9864669 DOI: 10.3390/ph16010111] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/06/2023] [Accepted: 01/10/2023] [Indexed: 01/13/2023] Open
Abstract
Multiple myeloma is a hematological cancer type. For its treatment, Bortezomib has been widely used. However, drug resistance to this effective chemotherapeutic has been developed for various reasons. 2D cell cultures and animal models have failed to understand the MM disease and Bortezomib resistance. It is therefore essential to utilize new technologies to reveal a complete molecular profile of the disease. In this review, we in-depth examined the possible molecular mechanisms that cause Bortezomib resistance and specifically addressed MM and Bortezomib resistance. Moreover, we also included the use of nanoparticles, 3D culture methods, microfluidics, and organ-on-chip devices in multiple myeloma. We also discussed whether the emerging technology offers the necessary tools to understand and prevent Bortezomib resistance in multiple myeloma. Despite the ongoing research activities on MM, the related studies cannot provide a complete summary of MM. Nanoparticle and 3D culturing have been frequently used to understand MM disease and Bortezomib resistance. However, the number of microfluidic devices for this application is insufficient. By combining siRNA/miRNA technologies with microfluidic devices, a complete molecular genetic profile of MM disease could be revealed. Microfluidic chips should be used clinically in personal therapy and point-of-care applications. At least with Bortezomib microneedles, it could be ensured that MM patients can go through the treatment process more painlessly. This way, MM can be switched to the curable cancer type list, and Bortezomib can be targeted for its treatment with fewer side effects.
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