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Zhou J, Wang J, Zhang X, Tang Q. New Insights Into Cancer Chronotherapies. Front Pharmacol 2021; 12:741295. [PMID: 34966277 PMCID: PMC8710512 DOI: 10.3389/fphar.2021.741295] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 11/25/2021] [Indexed: 02/01/2023] Open
Abstract
Circadian clocks participate in the coordination of various metabolic and biological activities to maintain homeostasis. Disturbances in the circadian rhythm and cancers are closely related. Circadian clock genes are differentially expressed in many tumors, and accelerate the development and progression of tumors. In addition, tumor tissues exert varying biological activities compared to normal tissues due to resetting of altered rhythms. Thus, chronotherapeutics used for cancer treatment should exploit the timing of circadian rhythms to achieve higher efficacy and mild toxicity. Due to interpatient differences in circadian functions, our findings advocate an individualized precision approach to chronotherapy. Herein, we review the specific association between circadian clocks and cancers. In addition, we focus on chronotherapies in cancers and personalized biomarkers for the development of precision chronotherapy. The understanding of circadian clocks in cancer will provide a rationale for more effective clinical treatment of tumors.
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Affiliation(s)
- Jingxuan Zhou
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Jiechen Wang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Xiaozhao Zhang
- Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China.,Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Qingming Tang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
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You H, Fu S, Qin X, Yu Y, Yang B, Zhang G, Sun X, Feng Y, Chen Y, Wu J. A study of the synergistic effect of folate-decorated polymeric micelles incorporating Hydroxycamptothecin with radiotherapy on xenografted human cervical carcinoma. Colloids Surf B Biointerfaces 2015; 140:150-160. [PMID: 26752212 DOI: 10.1016/j.colsurfb.2015.12.034] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 11/23/2015] [Accepted: 12/18/2015] [Indexed: 12/09/2022]
Abstract
In this study, Hydroxycamptothecin (HCPT)-loaded micelles were formed in water by the self-assembly of folate (FA)-decorated amphiphilic block copolymer, methoxy poly(ethylene glycol)-poly(ε-caprolactone) (MPEG-PCL), and achieved a hydrodynamic diameter about of 132 nm. HCPT release from the micelles exhibited no initial burst but showed a sustained release profile. The cytotoxicity and targeting ability of FA conjugated polymeric micelles was investigated by using methylthiazoletetrazolium (MTT) and fluorescence microscopy. We found that FA-conjugated micelles had superior cytotoxicity against HeLa cells compared to non-conjugated micelles, and that they exerted this effect by folate receptor (FR)-mediated endocytosis. In addition, HeLa cells were xenografted into nude mice and subjected to radiotherapy (RT) and/or HCPT-loaded micelle treatment. The antitumor efficacy was detected by analysis of tumor growth delay (TGD) and median survival time. Micro fluorine-18-deoxyglucose PET/computed tomography ((18)F-FDG PET/CT) was performed to assess early tumor response to HCPT-loaded micelles in combination with RT. Analysis of cell cycle redistribution, apoptosis and expression of histone H2AX phosphorylation (λ-H2AX) was used to evaluate the mechanism by which HCPT loaded micelles led to radiosensitization. Taken together, the results showed that HCPT-loaded FA decorated micelles efficiently sensitized xenografts in mice to RT, and induced G2/M phase arrest, apoptosis and expression of λ-H2AX.
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Affiliation(s)
- Hong You
- Department of Oncology, the First Affiliated Hospital of Sichuan Medical University, Luzhou 646000, China
| | - ShaoZhi Fu
- Department of Oncology, the First Affiliated Hospital of Sichuan Medical University, Luzhou 646000, China.
| | - XingHu Qin
- Department of Neurosurgery, the First Affiliated Hospital of Sichuan Medical University, Luzhou 646000, China
| | - YanXin Yu
- Department of Oncology, the First Affiliated Hospital of Sichuan Medical University, Luzhou 646000, China
| | - Bo Yang
- Department of Oncology, the First Affiliated Hospital of Sichuan Medical University, Luzhou 646000, China
| | - GuangPeng Zhang
- Department of Oncology, the First Affiliated Hospital of Sichuan Medical University, Luzhou 646000, China
| | - XiaoYang Sun
- Department of Oncology, the First Affiliated Hospital of Sichuan Medical University, Luzhou 646000, China
| | - Yue Feng
- Department of Nuclear Medicine, the First Affiliated Hospital of Sichuan Medical University, Luzhou 646000, China
| | - Yue Chen
- Department of Nuclear Medicine, the First Affiliated Hospital of Sichuan Medical University, Luzhou 646000, China
| | - JingBo Wu
- Department of Oncology, the First Affiliated Hospital of Sichuan Medical University, Luzhou 646000, China.
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Lévi F, Okyar A, Dulong S, Innominato PF, Clairambault J. Circadian Timing in Cancer Treatments. Annu Rev Pharmacol Toxicol 2010; 50:377-421. [DOI: 10.1146/annurev.pharmtox.48.113006.094626] [Citation(s) in RCA: 301] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
The circadian timing system is composed of molecular clocks, which drive 24-h changes in xenobiotic metabolism and detoxification, cell cycle events, DNA repair, apoptosis, and angiogenesis. The cellular circadian clocks are coordinated by endogenous physiological rhythms, so that they tick in synchrony in the host tissues that can be damaged by anticancer agents. As a result, circadian timing can modify 2- to 10-fold the tolerability of anticancer medications in experimental models and in cancer patients. Improved efficacy is also seen when drugs are given near their respective times of best tolerability, due to (a) inherently poor circadian entrainment of tumors and (b) persistent circadian entrainment of healthy tissues. Conversely, host clocks are disrupted whenever anticancer drugs are administered at their most toxic time. On the other hand, circadian disruption accelerates experimental and clinical cancer processes. Gender, circadian physiology, clock genes, and cell cycle critically affect outcome on cancer chronotherapeutics. Mathematical and systems biology approaches currently develop and integrate theoretical, experimental, and technological tools in order to further optimize and personalize the circadian administration of cancer treatments.
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Affiliation(s)
- Francis Lévi
- INSERM, U776 Rythmes Biologiques et Cancers, Hôpital Paul Brousse, Villejuif, F-94807, France
- Univ Paris-Sud, UMR-S0776, Orsay, F-91405, France
- Assistance Publique-Hôpitaux de Paris, Unité de Chronothérapie, Département de Cancérologie, Hôpital Paul Brousse, Villejuif, F-94807, France
| | - Alper Okyar
- INSERM, U776 Rythmes Biologiques et Cancers, Hôpital Paul Brousse, Villejuif, F-94807, France
- Istanbul University Faculty of Pharmacy, Department of Pharmacology, Beyazit TR-34116, Istanbul, Turkey
| | - Sandrine Dulong
- INSERM, U776 Rythmes Biologiques et Cancers, Hôpital Paul Brousse, Villejuif, F-94807, France
- Univ Paris-Sud, UMR-S0776, Orsay, F-91405, France
| | - Pasquale F. Innominato
- INSERM, U776 Rythmes Biologiques et Cancers, Hôpital Paul Brousse, Villejuif, F-94807, France
- Univ Paris-Sud, UMR-S0776, Orsay, F-91405, France
- Assistance Publique-Hôpitaux de Paris, Unité de Chronothérapie, Département de Cancérologie, Hôpital Paul Brousse, Villejuif, F-94807, France
| | - Jean Clairambault
- INSERM, U776 Rythmes Biologiques et Cancers, Hôpital Paul Brousse, Villejuif, F-94807, France
- Univ Paris-Sud, UMR-S0776, Orsay, F-91405, France
- INRIA Rocquencourt, Domaine de Voluceau, BP 105, F-78153 Rocquencourt, France;, , , ,
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