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Chailapakul P, Kato TA. From Basic Radiobiology to Translational Radiotherapy. Int J Mol Sci 2022; 23:ijms232415902. [PMID: 36555542 PMCID: PMC9781393 DOI: 10.3390/ijms232415902] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 12/01/2022] [Indexed: 12/15/2022] Open
Abstract
The Special Issue, entitled "From basic radiobiology to translational radiotherapy", highlights recent advances in basic radiobiology and the potential to improve radiotherapy in translational research [...].
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Reissig F, Runge R, Naumann A, Kotzerke J. Cisplatin - A more Efficient Drug in Combination with Radionuclides? Nuklearmedizin 2022; 61:325-332. [PMID: 35388443 DOI: 10.1055/a-1759-1749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
AIM The combination of conventional chemotherapeutic drugs with radionuclides or external radiation is discussed for a long period of time. The major advantage of a successful combination therapy is the reduction of severe side effects by decreasing the needed dose and simultaneously increasing therapeutic efficiency. METHODS In this study, pUC19 plasmid DNA was incubated with the cytostatic drug cisplatin and additionally irradiated with 99mTc, 188Re and 223Ra. To verify the contribution of possibly excited platinum atoms to the emission of Auger electrons we determined DNA damages, such as single- and double strand breaks. RESULTS The threshold concentration value of cisplatin, which was tolerated by pUC19 plasmid DNA was determined to be 18-24 nM. Nevertheless, even at higher dose values (>100 Gy) and simultaneous incubation of cisplatin to 200 ng plasmid DNA, no significant increase in the number of induced single- and double-strand breaks was obtained, compared to the damage solely caused by the radionuclides. CONCLUSION We thereby conclude that there is no direct dependence of the mechanism of strand break induction to the absence or presence of platinum atoms attached to the DNA. Reported increasing DNA damages in therapy approaches on a cellular level strongly depend on the study design and are mainly influenced by repair mechanisms in living cells. Nevertheless, the use of radioactive cisplatin, containing the Auger electron emitter 191Pt, 193mPt or 195mPt, is a bright prospect for future therapy by killing tumor cells combining two operating principles: a cytostatic drug and a radiopharmaceutical at the same time.
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Affiliation(s)
- Falco Reissig
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
| | - Roswitha Runge
- Department of Nuclear Medicine, University Hospital/ Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Anne Naumann
- Department of Nuclear Medicine, University Hospital/ Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Jörg Kotzerke
- Department of Nuclear Medicine, University Hospital/ Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
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Ma W, Lv TT, Tang JH, Feng ML, Huang XY. Highly Efficient Uptake of Cs + by Robust Layered Metal-Organic Frameworks with a Distinctive Ion Exchange Mechanism. JACS AU 2022; 2:492-501. [PMID: 35252998 PMCID: PMC8889614 DOI: 10.1021/jacsau.1c00533] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Indexed: 05/07/2023]
Abstract
137Cs with strong radioactivity and a long half-life is highly hazardous to human health and the environment. The efficient removal of 137Cs from complex solutions is still challenging because of its high solubility and easy mobility and the influence of interfering ions. It is highly desirable to develop effective scavengers for radiocesium remediation. Here, the highly efficient uptake of Cs+ has been realized by two robust layered metal-organic frameworks (MOFs), namely [(CH3)2NH2]In(L)2·DMF·H2O (DMF = N,N'-dimethylformamide, H2L= H2aip (5-aminoisophthalic acid) for 1 and H2hip (5-hydroxyisophthalic acid) for 2). Remarkably, 1 and 2 hold excellent acid and alkali resistance and radiation stabilities. They exhibit fast kinetics, high capacities (q m Cs = 270.86 and 297.67 mg/g for 1 and 2, respectively), excellent selectivity for Cs+ uptake, and facile elution for the regeneration of materials. Particularly, 1 and 2 can achieve efficient Cs+/Sr2+ separation in a wide range of Sr/Cs molar ratios. For example, the separation factor (SF Cs/Sr) is up to ∼320 for 1. Moreover, the Cs+ uptake and elution mechanisms have been directly elucidated at the molecular level by an unprecedented single-crystal to single-crystal (SC-SC) structural transformation, which is attributed to the strong interactions between COO- functional groups and Cs+ ions, easily exchangeable [(CH3)2NH2]+, and flexible and robust anionic layer frameworks with open windows as "pockets". This work highlights layered MOFs for the highly efficient uptake of Cs+ ions in the field of radionuclide remediation.
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Affiliation(s)
- Wen Ma
- State
Key Laboratory of Structural Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy
of Sciences, Fuzhou, Fujian 350002, P. R. China
- University
of Chinese Academy of Sciences, Beijing 100049, P. R.
China
| | - Tian-Tian Lv
- State
Key Laboratory of Structural Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy
of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Jun-Hao Tang
- State
Key Laboratory of Structural Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy
of Sciences, Fuzhou, Fujian 350002, P. R. China
- University
of Chinese Academy of Sciences, Beijing 100049, P. R.
China
| | - Mei-Ling Feng
- State
Key Laboratory of Structural Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy
of Sciences, Fuzhou, Fujian 350002, P. R. China
- Fujian
Province Joint Innovation Key Laboratory of Fuel and Materials in
Clean Nuclear Energy System, Fujian Institute of Research on the Structure
of Matter, Chinese Academy of Sciences Fuzhou, 350002, P. R. China
- University
of Chinese Academy of Sciences, Beijing 100049, P. R.
China
| | - Xiao-Ying Huang
- State
Key Laboratory of Structural Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy
of Sciences, Fuzhou, Fujian 350002, P. R. China
- University
of Chinese Academy of Sciences, Beijing 100049, P. R.
China
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Zhu JY, Cheng L, Zhao YM, Li MY, Wang ZZ, Wang J, Wang C, Wang KY. Structural Investigation on the Efficient Capture of Cs+ and Sr2+ by a Microporous Cd-Sn-Se Ion Exchanger Constructed from Mono-Lacunary Supertetrahedral Clusters. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00338d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Visualization of the ion exchange mechanism for 137Cs and 90Sr decontamination bears significance for safe radioactive liquid waste reprocessing and emergency response enhancement to nuclear accident. Here, the remediation of...
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Tobin SJ, Chang H, Kent MS, Davies AE. JARID1-targeted histone H3 demethylase inhibitors exhibit anti-proliferative activity and overcome cisplatin resistance in canine oral melanoma cell lines. Vet Comp Oncol 2021; 19:518-528. [PMID: 33715247 DOI: 10.1111/vco.12691] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 02/16/2021] [Accepted: 03/08/2021] [Indexed: 02/06/2023]
Abstract
Histone demethylases are overexpressed or display altered activity in numerous human cancers leading to alterations in cell cycle dynamics, DNA repair kinetics, and therapeutic resistance. Consequently, therapeutic targeting of histone demethylases has become an active and promising area of research in human oncology. However, the role of histone demethylases and the potential efficacy of demethylase inhibition in canine cancers remains largely unknown. In the present work, we addressed this knowledge gap by exploring the therapeutic potential of histone demethylase inhibitors (HDIs) in canine oral melanoma. Using canine melanoma cell lines, we determined that broad spectrum HDIs result in decreased cell survival and prolonged DNA damage repair kinetics. We then showed that JARID1B, a histone H3 demethylase implicated in proliferation-dormancy regulation and drug sensitivity in human cancers, is highly expressed in canine tumour tissues. HDIs targeting JARID1B, and related JARID1 family members, significantly reduced survival fractions in canine melanoma cell lines, but did not appear to modulate DNA damage repair kinetics like broad spectrum HDI treatments. Importantly, we found that the anti-proliferative effects of JARID1-targeted HDIs are preserved in cell lines resistant to platinum-based chemotherapeutics, suggesting that HDIs may serve as a viable therapeutic strategy when faced with oral melanomas that progress despite the use of conventional therapies.
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Affiliation(s)
- Savannah J Tobin
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, Ohio, USA.,Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, USA
| | - Hong Chang
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, USA
| | - Michael S Kent
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, USA
| | - Alexander E Davies
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, Ohio, USA
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Liao YY, Li JR, Zhang B, Sun HY, Ma W, Jin JC, Feng ML, Huang XY. Robust and Flexible Thioantimonate Materials for Cs + Remediation with Distinctive Structural Transformation: A Clear Insight into the Ion-Exchange Mechanism. ACS APPLIED MATERIALS & INTERFACES 2021; 13:5275-5283. [PMID: 33496170 DOI: 10.1021/acsami.0c21756] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
It is imperative yet challenging to efficiently sequester the 137Cs+ ion from aqueous solutions because of its highly environmental mobility and extremely high radiotoxicity. The systematical clarification for underlying mechanism of Cs+ removal and elution at the molecular level is rare. Here, efficient Cs+ capture is achieved by a thioantimonate [MeNH3]3Sb9S15 (FJSM-SbS) with high capacity, fast kinetics, wide pH durability, excellent β and γ radiation resistances, and facile elution. The Cs+ removal is not significantly impacted by coexisting Na+, K+, Ca2+, Mg2+, and Sr2+ ions which is beneficial to the remediation of Cs+-contaminated real waters. Importantly, the mechanism is directly illuminated by revealing an unprecedented single-crystal to single-crystal structural transformation upon Cs+ uptake and elution processes. The superior Cs+ removal results from an unusual synergy from strong affinity of soft S2- with Cs+, easily exchangeable [MeNH3]+ cations, and the flexible and robust framework of FJSM-SbS with open windows as trappers.
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Affiliation(s)
- Yi-Yu Liao
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jian-Rong Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Bo Zhang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
| | - Hai-Yan Sun
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Wen Ma
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jian-Ce Jin
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Mei-Ling Feng
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
- Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China
| | - Xiao-Ying Huang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
- Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China
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Nolan MW, Kent MS, Boss MK. Emerging Translational Opportunities in Comparative Oncology With Companion Canine Cancers: Radiation Oncology. Front Oncol 2019; 9:1291. [PMID: 31824863 PMCID: PMC6883487 DOI: 10.3389/fonc.2019.01291] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 11/07/2019] [Indexed: 12/25/2022] Open
Abstract
It is estimated that more than 6 million pet dogs are diagnosed with cancer annually in the USA. Both primary care and specialist veterinarians are frequently called upon to provide clinical care that improves the quality and/or quantity of life for affected animals. Because these cancers develop spontaneously in animals that often share the same environment as their owners, have intact immune systems and are of similar size to humans, and because the diagnostic tests and treatments for these cancers are similar to those used for management of human cancers, canine cancer provides an opportunity for research that simultaneously helps improve both canine and human health care. This is especially true in the field of radiation oncology, for which there is a rich and continually evolving history of learning from the careful study of pet dogs undergoing various forms of radiotherapy. The purpose of this review article is to inform readers of the potential utility and limitations of using dogs in that manner; the peer-reviewed literature will be critically reviewed, and current research efforts will be discussed. The article concludes with a look toward promising future directions and applications of this pet dog “model.”
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Affiliation(s)
- Michael W Nolan
- Department of Clinical Sciences, North Carolina State University, Raleigh, NC, United States.,Comparative Medicine Institute, North Carolina State University, Raleigh, NC, United States.,Duke Cancer Institute, Duke University, Durham, NC, United States
| | - Michael S Kent
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Mary-Keara Boss
- Department of Environmental and Radiological Health Sciences, Flint Animal Cancer Center, Colorado State University, Fort Collins, CO, United States
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