51
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Frantsiyants E, Neskubina I, Shikhlyarova A, Surikova E, Trepitaki L, Nemashkalova L, Bandovkina V, Kaplieva I, Rozenko L, Dimitriadi S. State of free-radical processes in the heart cell mitochondria under melanoma В16/F10 growth against the background of chronic neurogenic pain as comorbid pathology. CARDIOMETRY 2021. [DOI: 10.18137/cardiometry.2021.18.131137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
The aim hereof has been to investigate the dynamics of processes of free radical oxidation and antioxidant protection in the heart cell mitochondria in female mice of strain С57ВL/6 at different stages of the В16/F10 melanoma growth under the comorbid pathology conditions, namely, chronic neurogenic pain.
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52
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Yang Z, Wu XS, Wei Y, Polyanskaya SA, Iyer SV, Jung M, Lach FP, Adelman ER, Klingbeil O, Milazzo JP, Kramer M, Demerdash OE, Chang K, Goodwin S, Hodges E, McCombie WR, Figueroa ME, Smogorzewska A, Vakoc CR. Transcriptional Silencing of ALDH2 Confers a Dependency on Fanconi Anemia Proteins in Acute Myeloid Leukemia. Cancer Discov 2021; 11:2300-2315. [PMID: 33893150 DOI: 10.1158/2159-8290.cd-20-1542] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 03/23/2021] [Accepted: 04/21/2021] [Indexed: 12/31/2022]
Abstract
Hundreds of genes become aberrantly silenced in acute myeloid leukemia (AML), with most of these epigenetic changes being of unknown functional consequence. Here, we demonstrate how gene silencing can lead to an acquired dependency on the DNA repair machinery in AML. We make this observation by profiling the essentiality of the ubiquitination machinery in cancer cell lines using domain-focused CRISPR screening, which revealed Fanconi anemia (FA) proteins UBE2T and FANCL as unique dependencies in AML. We demonstrate that these dependencies are due to a synthetic lethal interaction between FA proteins and aldehyde dehydrogenase 2 (ALDH2), which function in parallel pathways to counteract the genotoxicity of endogenous aldehydes. We show DNA hypermethylation and silencing of ALDH2 occur in a recurrent manner in human AML, which is sufficient to confer FA pathway dependency. Our study suggests that targeting of the ubiquitination reaction catalyzed by FA proteins can eliminate ALDH2-deficient AML. SIGNIFICANCE: Aberrant gene silencing is an epigenetic hallmark of human cancer, but the functional consequences of this process are largely unknown. In this study, we show how an epigenetic alteration leads to an actionable dependency on a DNA repair pathway through the disabling of genetic redundancy.This article is highlighted in the In This Issue feature, p. 2113.
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Affiliation(s)
- Zhaolin Yang
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York
| | - Xiaoli S Wu
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York.,Genetics Program, Stony Brook University, Stony Brook, New York
| | - Yiliang Wei
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York
| | | | - Shruti V Iyer
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York.,Genetics Program, Stony Brook University, Stony Brook, New York
| | - Moonjung Jung
- Laboratory of Genome Maintenance, The Rockefeller University, New York, New York
| | - Francis P Lach
- Laboratory of Genome Maintenance, The Rockefeller University, New York, New York
| | - Emmalee R Adelman
- Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, Florida
| | - Olaf Klingbeil
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York
| | | | - Melissa Kramer
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York
| | | | - Kenneth Chang
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York
| | - Sara Goodwin
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York
| | - Emily Hodges
- Department of Biochemistry and Vanderbilt Genetics Institute, Vanderbilt University School of Medicine, Nashville, Tennessee
| | | | - Maria E Figueroa
- Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, Florida
| | - Agata Smogorzewska
- Laboratory of Genome Maintenance, The Rockefeller University, New York, New York
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53
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Lu X, Li R, Han B, Ma H, Hou X, Kang Y, Zhang Y, Wang JJ. Fluorescence Sensing of Formaldehyde and Acetaldehyde Based on Responsive Inverse Opal Photonic Crystals: A Multiple-Application Detection Platform. ACS APPLIED MATERIALS & INTERFACES 2021; 13:13792-13801. [PMID: 33705107 DOI: 10.1021/acsami.0c22105] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Formaldehyde (FA) and acetaldehyde (AcH) used as common chemicals in many fields are carcinogenic. The presently reported detection methods usually need expensive instruments, professional technicians, and time-consuming processes, and the detection sensitivity still needs further improvement. Herein, we report a highly effective fluorescence (FL) sensing film for FA and AcH based on naphthalimide derivative-infiltrated responsive SiO2 inverse opal photonic crystals (PCs), establishing a practically multiple-application detection platform for FA and AcH in air, aquatic products, and living cells. Nucleophilic addition products between the amine group of the naphthalimide derivative and aldehydes emit strong FL at ∼550 nm, realizing selective FL detection for FA and AcH. The emitted FL can be enhanced remarkably because of the slow photon effect of PCs, in which the FL wavelength is located at the stopband edge of PCs. A highly sensitive detection for FA and AcH with limits of detection of 10.6 and 7.3 nM, respectively, is achieved, increasing 3 orders of magnitude compared with that in the solution system. Additionally, the interconnected three-dimensional microporous inverse opal structure endows the sensor with a rapid response within 1 min. Furthermore, the as-prepared PC sensor can be reused by simple washing in an acidic aqueous solution. The sensing system can be used as a FL multi-detection platform for FA and AcH in air, aqueous solution, and living cells. This FL sensing approach based on small organic molecule-functionalized PCs is universally available to develop various sensors for target analytes by designing new functional organic compounds.
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Affiliation(s)
- Xiaokang Lu
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Ran Li
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Bo Han
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Haojie Ma
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Xueyan Hou
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Yulong Kang
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Yuqi Zhang
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
| | - Ji-Jiang Wang
- Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, PR China
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54
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Babanejad N, Kandalam U, Ahmad R, Omidi Y, Omidian H. Abuse-deterrent properties and cytotoxicity of poly(ethylene oxide) after thermal tampering. Int J Pharm 2021; 600:120481. [PMID: 33766634 DOI: 10.1016/j.ijpharm.2021.120481] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/28/2021] [Accepted: 03/06/2021] [Indexed: 12/18/2022]
Abstract
Poly(ethylene oxide) (PEO) is the most common deterring agent used in the abuse-deterrent formulations (ADFs). In this study, we investigated the PEO's abuse-deterrent properties and its potential cytotoxicity after being heated at high temperatures (80 °C and 180 °C). The results indicated a significant loss in both crush and extraction resistance features of the polymer, which is primarily associated with the polymer degradation at the higher temperatures. The heat-treated PEO at the high temperature was also found to lose its controlled-release feature, upon which over 80% of the drug was released after one hour in the simulated gastric fluid. The cytotoxicity of the PEO was further assessed to evaluate the safety of the polymer following the thermal treatment. Our findings revealed a substantial loss in the viability of the cells exposed to the PEO treated at higher temperatures. Taken all, heating PEO at high temperatures can lead to a significant loss in both the crush/extraction resistance characteristics and the safety of the polymer. These findings reemphasize the fact that more appropriate and stricter test and regulations will be needed to assure that the abuse deterrent formulations are safe and effective under severe conditions of abuse.
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Affiliation(s)
- Niloofar Babanejad
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Umadevi Kandalam
- College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Rand Ahmad
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Yadollah Omidi
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Hamid Omidian
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA.
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55
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Hamad SH, Brinkman MC, Tsai YH, Mellouk N, Cross K, Jaspers I, Clark PI, Granville CA. Pilot Study to Detect Genes Involved in DNA Damage and Cancer in Humans: Potential Biomarkers of Exposure to E-Cigarette Aerosols. Genes (Basel) 2021; 12:genes12030448. [PMID: 33809907 PMCID: PMC8004185 DOI: 10.3390/genes12030448] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 03/18/2021] [Accepted: 03/19/2021] [Indexed: 11/16/2022] Open
Abstract
There is a paucity of data on how gene expression enables identification of individuals who are at risk of exposure to carcinogens from e-cigarette (e-cig) vaping; and how human vaping behaviors modify these exposures. This pilot study aimed to identify genes regulated from acute exposure to e-cig using RT-qPCR. Three subjects (2M and 1F) made three visits to the lab (nTOT = 9 visits); buccal and blood samples were collected before and immediately after scripted vaping 20 puffs (nTOT = 18 samples); vaping topography data were collected in each session. Subjects used their own e-cig containing 50:50 propylene glycol (PG):vegetable glycerine (VG) +3-6 mg/mL nicotine. The tumor suppressor TP53 was significantly upregulated in buccal samples. TP53 expression was puff volume and flow rate dependent in both tissues. In blood, the significant downregulation of N-methylpurine DNA glycosylase (MPG), a base excision repair gene, was consistent across all subjects. In addition to DNA repair pathway, cell cycle and cancer pathways were the most enriched pathways in buccal and blood samples, respectively. This pilot study demonstrates that vaping 20 puffs significantly alters expression of TP53 in human tissues; vaping behavior is an important modifier of this response. A larger study is needed to confirm these relationships.
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Affiliation(s)
- Samera H. Hamad
- UNC Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA;
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA;
- Correspondence: (S.H.H.); (P.I.C.); (C.A.G.); Tel.: +1-608-217-2829 (S.H.H.); +1-443-791-3553 (P.I.C.); +1-614-607-2766 (C.A.G.)
| | | | - Yi-Hsuan Tsai
- UNC Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA;
| | - Namya Mellouk
- National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA;
| | - Kandice Cross
- Gad Consulting Services, Risk Assessment, Consulting in Raleigh, Raleigh, NC 27609, USA;
| | - Ilona Jaspers
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA;
- Department of Pediatrics, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Pamela I. Clark
- School of Public Health, University of Maryland, College Park, MD 20742, USA
- Correspondence: (S.H.H.); (P.I.C.); (C.A.G.); Tel.: +1-608-217-2829 (S.H.H.); +1-443-791-3553 (P.I.C.); +1-614-607-2766 (C.A.G.)
| | - Courtney A. Granville
- Drug Information Association, Washington, DC 20036, USA
- Correspondence: (S.H.H.); (P.I.C.); (C.A.G.); Tel.: +1-608-217-2829 (S.H.H.); +1-443-791-3553 (P.I.C.); +1-614-607-2766 (C.A.G.)
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56
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Jayakody LN, Jin YS. In-depth understanding of molecular mechanisms of aldehyde toxicity to engineer robust Saccharomyces cerevisiae. Appl Microbiol Biotechnol 2021; 105:2675-2692. [PMID: 33743026 DOI: 10.1007/s00253-021-11213-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 02/17/2021] [Accepted: 02/28/2021] [Indexed: 11/25/2022]
Abstract
Aldehydes are ubiquitous electrophilic compounds that ferment microorganisms including Saccharomyces cerevisiae encounter during the fermentation processes to produce food, fuels, chemicals, and pharmaceuticals. Aldehydes pose severe toxicity to the growth and metabolism of the S. cerevisiae through a variety of toxic molecular mechanisms, predominantly via damaging macromolecules and hampering the production of targeted compounds. Compounds with aldehyde functional groups are far more toxic to S. cerevisiae than all other functional classes, and toxic potency depends on physicochemical characteristics of aldehydes. The yeast synthetic biology community established a design-build-test-learn framework to develop S. cerevisiae cell factories to valorize the sustainable and renewable biomass, including the lignin-derived substrates. However, thermochemically pretreated biomass-derived substrate streams contain diverse aldehydes (e.g., glycolaldehyde and furfural), and biological conversions routes of lignocellulosic compounds consist of toxic aldehyde intermediates (e.g., formaldehyde and methylglyoxal), and some of the high-value targeted products have aldehyde functional group (e.g., vanillin and benzaldehyde). Numerous studies comprehensively characterized both single and additive effects of aldehyde toxicity via systems biology investigations, and novel molecular approaches have been discovered to overcome the aldehyde toxicity. Based on those novel approaches, researchers successfully developed synthetic yeast cell factories to convert lignocellulosic substrates to valuable products, including aldehyde compounds. In this mini-review, we highlight the salient relationship of physicochemical characteristics and molecular toxicity of aldehydes, the molecular detoxification and macromolecules protection mechanisms of aldehydes, and the advances of engineering robust S. cerevisiae against complex mixtures of aldehyde inhibitors. KEY POINTS: • We reviewed structure-activity relationships of aldehyde toxicity on S. cerevisiae. • Two-tier protection mechanisms to alleviate aldehyde toxicity are presented. • We highlighted the strategies to overcome the synergistic toxicity of aldehydes.
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Affiliation(s)
- Lahiru N Jayakody
- School of Biological Sciences, Southern Illinois University Carbondale, Carbondale, IL, USA.
- Fermentation Science Institute, Southern Illinois University Carbondale, Carbondale, IL, USA.
| | - Yong-Su Jin
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
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57
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Manna SK, Achar TK, Mondal S. Recent advances in selective formaldehyde detection in biological and environmental samples by fluorometric and colorimetric chemodosimeters. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:1084-1105. [PMID: 33595559 DOI: 10.1039/d0ay02252g] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Formaldehyde, a highly reactive carbonyl species, has been widely used in day-to-day life owing to its numerous applications in essential commodities, etc.; the extrusion of formaldehyde from these sources basically leads to increased formaldehyde levels in the environment. Additionally, formaldehyde is endogenously produced in the human body via several biological processes. Considering the adverse effects of formaldehyde, it is highly important to develop an efficient and reliable method for monitoring formaldehyde in environmental and biological samples. Several chemodosimeters (reaction-based sensing probes) have been designed and synthesized to selectively detect the presence of formaldehyde utilizing the photophysical properties of molecules. In this review, we have comprehensively discussed the recent advances in the design principles and sensing mechanisms of developed probes and their biological/environmental applications in selective formaldehyde detection and imaging endogenous formaldehyde in cells. We have summarized the literature based on three different categories: (i) the Schiff base reaction, (ii) the 2-aza-Cope sigmatropic rearrangement reaction and (iii) miscellaneous approaches. In all cases, reactions are accompanied by changes in color and/or emission that can be detected by the naked eye.
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Affiliation(s)
- Saikat Kumar Manna
- Department of Chemistry, Haldia Government College, Debhog, Purba Medinipur, West Bengal-721657, India.
| | - Tapas Kumar Achar
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Sanchita Mondal
- Department of Chemistry, Jadavpur University, Kolkata 700032, India
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58
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Mir AR, Habib S, Uddin M. Recent Advances in Histone Glycation: Emerging role in Diabetes and Cancer. Glycobiology 2021; 31:1072-1079. [PMID: 33554241 DOI: 10.1093/glycob/cwab011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 01/18/2021] [Accepted: 01/28/2021] [Indexed: 12/15/2022] Open
Abstract
Ever increasing information on genome and proteome has offered fascinating details and new opportunities to understand the molecular biology. It is now known that histone proteins surrounding the DNA play a crucial role in the chromatin structure and function. Histones undergo a plethora of post-translational enzymatic modifications that influence nucleosome dynamics and affect DNA activity. Earlier research offered insights into the enzymatic modifications of histones; however attention has been diverted to histone modifications induced by by-products of metabolism without enzymatic engagement in the last decade. Non enzymatic modifications of histones are believed to be crucial for epigenetic landscape, cellular fate and for role in human diseases. Glycation of histone proteins constitutes the major non enzymatic modifications of nuclear proteins that have implications in diabetes and cancer. It has emerged that glycation damages nuclear proteins, modifies amino acids of histones at crucial locations, generates adducts affecting histone chromatin interaction, develops neo-epitopes inducing specific immune response and impacts cell function. Presence of circulating antibodies against glycated histone proteins in diabetes and cancer has shown immunological implications with diagnostic relevance. These crucial details make histone glycation an attractive focus for investigators. This review article, therefore, makes an attempt to exclusively summarize the recent researches in histone glycation, its impact on structural integrity of chromatin and elaborates on their role in diabetes and cancer. The work offers insights for future scientists who investigate the link between metabolism, bio-molecular structures, glycobiology, histone-DNA interactions in relation to diseases in humans.
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Affiliation(s)
- Abdul Rouf Mir
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, India
| | - Safia Habib
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, India
| | - Moin Uddin
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, India
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Cammisotto V, Nocella C, Bartimoccia S, Sanguigni V, Francomano D, Sciarretta S, Pastori D, Peruzzi M, Cavarretta E, D’Amico A, Castellani V, Frati G, Carnevale R, Group SM. The Role of Antioxidants Supplementation in Clinical Practice: Focus on Cardiovascular Risk Factors. Antioxidants (Basel) 2021; 10:146. [PMID: 33498338 PMCID: PMC7909411 DOI: 10.3390/antiox10020146] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/08/2021] [Accepted: 01/18/2021] [Indexed: 12/15/2022] Open
Abstract
Oxidative stress may be defined as an imbalance between reactive oxygen species (ROS) and the antioxidant system to counteract or detoxify these potentially damaging molecules. This phenomenon is a common feature of many human disorders, such as cardiovascular disease. Many of the risk factors, including smoking, hypertension, hypercholesterolemia, diabetes, and obesity, are associated with an increased risk of developing cardiovascular disease, involving an elevated oxidative stress burden (either due to enhanced ROS production or decreased antioxidant protection). There are many therapeutic options to treat oxidative stress-associated cardiovascular diseases. Numerous studies have focused on the utility of antioxidant supplementation. However, whether antioxidant supplementation has any preventive and/or therapeutic value in cardiovascular pathology is still a matter of debate. In this review, we provide a detailed description of oxidative stress biomarkers in several cardiovascular risk factors. We also discuss the clinical implications of the supplementation with several classes of antioxidants, and their potential role for protecting against cardiovascular risk factors.
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Affiliation(s)
- Vittoria Cammisotto
- Department of General Surgery and Surgical Specialty Paride Stefanini, Sapienza University of Rome, 00185 Rome, Italy
| | - Cristina Nocella
- Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy; (S.B.); (D.P.); (V.C.)
| | - Simona Bartimoccia
- Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy; (S.B.); (D.P.); (V.C.)
| | - Valerio Sanguigni
- Unit of Internal Medicine and Endocrinology, Madonna delle Grazie Hospital, Velletri, 00049 Rome, Italy; (V.S.); (D.F.)
- Department of Internal Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Davide Francomano
- Unit of Internal Medicine and Endocrinology, Madonna delle Grazie Hospital, Velletri, 00049 Rome, Italy; (V.S.); (D.F.)
| | - Sebastiano Sciarretta
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 04100 Latina, Italy; (S.S.); (M.P.); (E.C.); (G.F.)
- Department of AngioCardioNeurology, IRCCS Neuromed, 86077 Pozzilli, Italy
| | - Daniele Pastori
- Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy; (S.B.); (D.P.); (V.C.)
| | - Mariangela Peruzzi
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 04100 Latina, Italy; (S.S.); (M.P.); (E.C.); (G.F.)
- Mediterranea, Cardiocentro, 80122 Napoli, Italy
| | - Elena Cavarretta
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 04100 Latina, Italy; (S.S.); (M.P.); (E.C.); (G.F.)
- Mediterranea, Cardiocentro, 80122 Napoli, Italy
| | - Alessandra D’Amico
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy;
| | - Valentina Castellani
- Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy; (S.B.); (D.P.); (V.C.)
| | - Giacomo Frati
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 04100 Latina, Italy; (S.S.); (M.P.); (E.C.); (G.F.)
- Department of AngioCardioNeurology, IRCCS Neuromed, 86077 Pozzilli, Italy
| | - Roberto Carnevale
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 04100 Latina, Italy; (S.S.); (M.P.); (E.C.); (G.F.)
- Mediterranea, Cardiocentro, 80122 Napoli, Italy
| | - SMiLe Group
- Faculty of Medicine and Surgery, Sapienza University of Rome, 04100 Latina, Italy;
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60
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Kumaravel S, Wu SH, Chen GZ, Huang ST, Lin CM, Lee YC, Chen CH. Development of ratiometric electrochemical molecular switches to assay endogenous formaldehyde in live cells, whole blood and creatinine in saliva. Biosens Bioelectron 2021; 171:112720. [DOI: 10.1016/j.bios.2020.112720] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/22/2020] [Accepted: 10/10/2020] [Indexed: 01/12/2023]
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61
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Bagherzadeh-Yazdi M, Bohlooli M, Khajeh M, Ghamari F, Ghaffari-Moghaddam M, Poormolaie N, Khatibi A, Hasanein P, Sheibani N. Acetoacetate enhancement of glucose mediated DNA glycation. Biochem Biophys Rep 2020; 25:100878. [PMID: 33364448 PMCID: PMC7750490 DOI: 10.1016/j.bbrep.2020.100878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 11/05/2020] [Accepted: 12/09/2020] [Indexed: 11/17/2022] Open
Abstract
Acetoacetate (AA) is a ketone body, which generates reactive oxygen species (ROS). ROS production is impacted by the formation of covalent bonds between amino groups of biomacromolecules and reducing sugars (glycation). Glycation can damage DNA by causing strand breaks, mutations, and changes in gene expression. DNA damage could contribute to the pathogenesis of various diseases, including neurological disorders, complications of diabetes, and aging. Here we studied the enhancement of glucose-mediated DNA glycation by AA for the first time. The effect of AA on the structural changes, Amadori and advanced glycation end products (AGEs) formation of DNA incubated with glucose for 4 weeks were investigated using various techniques. These included UV-Vis, circular dichroism (CD) and fluorescence spectroscopy, and agarose gel electrophoresis. The results of UV-Vis and fluorescence spectroscopy confirmed that AA increased the DNA-AGE formation. The NBT test showed that AA also increased Amadori product formation of glycated DNA. Based on the CD and agarose gel electrophoresis results, the structural changes of glycated DNA was increased in the presence of AA. The chemiluminescence results indicated that AA increased ROS formation. Thus AA has an activator role in DNA glycation, which could enhance the adverse effects of glycation under high glucose conditions.
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Affiliation(s)
| | - M Bohlooli
- Department of Biology, University of Zabol, Zabol, Iran
| | - M Khajeh
- Department of Chemistry, University of Zabol, Zabol, Iran
| | - F Ghamari
- Department of Biology, Payame Noor University, Ghazvin, Iran
| | | | - N Poormolaie
- Department of Chemistry, University of Zabol, Zabol, Iran
| | - A Khatibi
- Department of Biotechnology, Alzahra University, Tehran, Iran
| | - P Hasanein
- Department of Biology, University of Zabol, Zabol, Iran
| | - N Sheibani
- Departments of Ophthalmology and Visual Sciences, Cell and Regenerative Biology, and Biomedical Engineering, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
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62
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Housh K, Jha JS, Haldar T, Amin SBM, Islam T, Wallace A, Gomina A, Guo X, Nel C, Wyatt JW, Gates KS. Formation and repair of unavoidable, endogenous interstrand cross-links in cellular DNA. DNA Repair (Amst) 2020; 98:103029. [PMID: 33385969 DOI: 10.1016/j.dnarep.2020.103029] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 11/24/2020] [Indexed: 02/08/2023]
Abstract
Genome integrity is essential for life and, as a result, DNA repair systems evolved to remove unavoidable DNA lesions from cellular DNA. Many forms of life possess the capacity to remove interstrand DNA cross-links (ICLs) from their genome but the identity of the naturally-occurring, endogenous substrates that drove the evolution and retention of these DNA repair systems across a wide range of life forms remains uncertain. In this review, we describe more than a dozen chemical processes by which endogenous ICLs plausibly can be introduced into cellular DNA. The majority involve DNA degradation processes that introduce aldehyde residues into the double helix or reactions of DNA with endogenous low molecular weight aldehyde metabolites. A smaller number of the cross-linking processes involve reactions of DNA radicals generated by oxidation.
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Affiliation(s)
- Kurt Housh
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Jay S Jha
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Tuhin Haldar
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Saosan Binth Md Amin
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Tanhaul Islam
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Amanda Wallace
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Anuoluwapo Gomina
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Xu Guo
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Christopher Nel
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Jesse W Wyatt
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Kent S Gates
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States; University of Missouri, Department of Biochemistry, Columbia, MO 65211, United States.
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Oka Y, Hamada M, Nakazawa Y, Muramatsu H, Okuno Y, Higasa K, Shimada M, Takeshima H, Hanada K, Hirano T, Kawakita T, Sakaguchi H, Ichimura T, Ozono S, Yuge K, Watanabe Y, Kotani Y, Yamane M, Kasugai Y, Tanaka M, Suganami T, Nakada S, Mitsutake N, Hara Y, Kato K, Mizuno S, Miyake N, Kawai Y, Tokunaga K, Nagasaki M, Kito S, Isoyama K, Onodera M, Kaneko H, Matsumoto N, Matsuda F, Matsuo K, Takahashi Y, Mashimo T, Kojima S, Ogi T. Digenic mutations in ALDH2 and ADH5 impair formaldehyde clearance and cause a multisystem disorder, AMeD syndrome. SCIENCE ADVANCES 2020; 6:eabd7197. [PMID: 33355142 PMCID: PMC11206199 DOI: 10.1126/sciadv.abd7197] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 11/23/2020] [Indexed: 06/12/2023]
Abstract
Rs671 in the aldehyde dehydrogenase 2 gene (ALDH2) is the cause of Asian alcohol flushing response after drinking. ALDH2 detoxifies endogenous aldehydes, which are the major source of DNA damage repaired by the Fanconi anemia pathway. Here, we show that the rs671 defective allele in combination with mutations in the alcohol dehydrogenase 5 gene, which encodes formaldehyde dehydrogenase (ADH5FDH ), causes a previously unidentified disorder, AMeD (aplastic anemia, mental retardation, and dwarfism) syndrome. Cellular studies revealed that a decrease in the formaldehyde tolerance underlies a loss of differentiation and proliferation capacity of hematopoietic stem cells. Moreover, Adh5-/-Aldh2 E506K/E506K double-deficient mice recapitulated key clinical features of AMeDS, showing short life span, dwarfism, and hematopoietic failure. Collectively, our results suggest that the combined deficiency of formaldehyde clearance mechanisms leads to the complex clinical features due to overload of formaldehyde-induced DNA damage, thereby saturation of DNA repair processes.
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Affiliation(s)
- Yasuyoshi Oka
- Department of Genetics, Research Institute of Environmental Medicine (RIeM), Nagoya University, Nagoya, Japan
- Department of Human Genetics and Molecular Biology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Motoharu Hamada
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuka Nakazawa
- Department of Genetics, Research Institute of Environmental Medicine (RIeM), Nagoya University, Nagoya, Japan
- Department of Human Genetics and Molecular Biology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hideki Muramatsu
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yusuke Okuno
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Koichiro Higasa
- Department of Genome Analysis, Institute of Biomedical Science, Kansai Medical University, Osaka, Japan
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Mayuko Shimada
- Department of Genetics, Research Institute of Environmental Medicine (RIeM), Nagoya University, Nagoya, Japan
- Department of Human Genetics and Molecular Biology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Honoka Takeshima
- Department of Genetics, Research Institute of Environmental Medicine (RIeM), Nagoya University, Nagoya, Japan
- Department of Human Genetics and Molecular Biology, Nagoya University Graduate School of Medicine, Nagoya, Japan
- School of Medicine, Nagoya University, Nagoya, Japan
| | - Katsuhiro Hanada
- Clinical Engineering Research Center, Faculty of Medicine, Oita University, Yufu, Japan
| | - Taichi Hirano
- Department of Hematology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Toshiro Kawakita
- Department of Hematology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Hirotoshi Sakaguchi
- Department of Hematology and Oncology, Children Medical Center, Japanese Red Cross Nagoya First Hospital, Nagoya, Japan
| | - Takuya Ichimura
- Department of Pediatrics, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Shuichi Ozono
- Department of Pediatrics and Child Health, School of Medicine, Kurume University, Kurume, Japan
| | - Kotaro Yuge
- Department of Pediatrics and Child Health, School of Medicine, Kurume University, Kurume, Japan
| | - Yoriko Watanabe
- Department of Pediatrics and Child Health, School of Medicine, Kurume University, Kurume, Japan
| | - Yuko Kotani
- Institute of Experimental Animal Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
- Genome Editing Research and Development (R&D) Center, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Mutsumi Yamane
- Center for Animal Research and Education, Nagoya University, Nagoya, Japan
| | - Yumiko Kasugai
- Division of Cancer Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya, Japan
| | - Miyako Tanaka
- Department of Molecular Medicine and Metabolism, Research Institute of Environmental Medicine (RIeM), Nagoya University, Nagoya, Japan
- Department of Immunometabolism, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takayoshi Suganami
- Department of Molecular Medicine and Metabolism, Research Institute of Environmental Medicine (RIeM), Nagoya University, Nagoya, Japan
- Department of Immunometabolism, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shinichiro Nakada
- Department of Bioregulation and Cellular Response, Graduate School of Medicine, Osaka University, Osaka, Japan
- Institute for Advanced Co-Creation Studies, Osaka University, Osaka, Japan
| | - Norisato Mitsutake
- Department of Radiation Medical Sciences, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
| | - Yuichiro Hara
- Department of Genetics, Research Institute of Environmental Medicine (RIeM), Nagoya University, Nagoya, Japan
- Department of Human Genetics and Molecular Biology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kohji Kato
- Department of Genetics, Research Institute of Environmental Medicine (RIeM), Nagoya University, Nagoya, Japan
- Department of Human Genetics and Molecular Biology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Seiji Mizuno
- Department of Pediatrics, Aichi Developmental Disability Center, Kasugai, Japan
| | - Noriko Miyake
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Yosuke Kawai
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Integrative Genomics, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan
| | - Katsushi Tokunaga
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Masao Nagasaki
- Department of Integrative Genomics, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan
- Human Biosciences Unit for the Top Global Course Center for the Promotion of Interdisciplinary Education and Research, Kyoto University, Kyoto, Japan
| | - Seiji Kito
- Center for Animal Research and Education, Nagoya University, Nagoya, Japan
| | - Keiichi Isoyama
- Department of Pediatrics, Showa University Fujigaoka Hospital, Yokohama, Japan
| | - Masafumi Onodera
- Division of Immunology, National Center for Child Health and Development, Tokyo, Japan
| | - Hideo Kaneko
- Department of Clinical Research, National Hospital Organization, Nagara Medical Center, Gifu, Japan
| | - Naomichi Matsumoto
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Fumihiko Matsuda
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Keitaro Matsuo
- Division of Cancer Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya, Japan
- Department of Epidemiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshiyuki Takahashi
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tomoji Mashimo
- Institute of Experimental Animal Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
- Genome Editing Research and Development (R&D) Center, Graduate School of Medicine, Osaka University, Osaka, Japan
- Division of Animal Genetics, Laboratory Animal Research Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Seiji Kojima
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tomoo Ogi
- Department of Genetics, Research Institute of Environmental Medicine (RIeM), Nagoya University, Nagoya, Japan.
- Department of Human Genetics and Molecular Biology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Modified hyaluronic acid hydrogels with chemical groups that facilitate adhesion to host tissues enhance cartilage regeneration. Bioact Mater 2020; 6:1689-1698. [PMID: 33313448 PMCID: PMC7708943 DOI: 10.1016/j.bioactmat.2020.11.020] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 11/11/2020] [Accepted: 11/12/2020] [Indexed: 12/14/2022] Open
Abstract
Stable integration of hydrogel implants with host tissues is of critical importance to cartilage tissue engineering. Designing and fabricating hydrogels with high adhesive strength, stability and regeneration potential are major challenges to be overcome. This study fabricated injectable adhesive hyaluronic acid (HA) hydrogel modified by aldehyde groups and methacrylate (AHAMA) on the polysaccharide backbone with multiple anchoring mechanisms (amide bond through the dynamic Schiff base reaction, hydrogen bond and physical interpenetration). AHAMA hydrogel exhibited significantly improved durability and stability within a humid environment (at least 7 days), together with higher adhesive strength (43 KPa to skin and 52 KPa to glass), as compared to commercial fibrin glue (nearly 10 KPa) and HAMA hydrogel (nearly 20 KPa). The results showed that AHAMA hydrogel was biocompatible and could be easily and rapidly prepared in situ. In vitro cell culture experiments showed that AHAMA hydrogel could enhance proliferation (1.2-folds after 3 days) and migration (1.5-folds after 12 h) of bone marrow stem cells (BMSCs), as compared to cells cultured in a culture dish. Furthermore, in a rat osteochondral defect model, implanted AHAMA hydrogel significantly promoted integration between neo-cartilage and host tissues, and significantly improved cartilage regeneration (modified O'Driscoll histological scores of 16.0 ± 4.1 and 18.3 ± 4.6 after 4 and 12-weeks of post-implantation in AHAMA groups respectively, 12.0 ± 2.7 and 12.2 ± 2.8 respectively in HAMA groups, 9.8 ± 2.4 and 11.5 ± 2.1 respectively in untreated groups). Hence, AHAMA hydrogel is a promising adhesive biomaterial for clinical cartilage regeneration and other biomedical applications. Adhesive hydrogel composed of single natural polymer component. The single component enhance stable and easy to use in surgical operation of hydrogel. Adhesive hydrogel exhibited strong adhesive strength through multiple anchoring mechanisms. Adhesive hydrogel promoted integration between neo-cartilage and host tissues, drastically improved cartilage regeneration.
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65
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Pavin SS, Prestes ADS, Dos Santos MM, de Macedo GT, Ferreira SA, Claro MT, Dalla Corte C, Vargas Barbosa N. Methylglyoxal disturbs DNA repair and glyoxalase I system in Saccharomyces cerevisiae. Toxicol Mech Methods 2020; 31:107-115. [PMID: 33059495 DOI: 10.1080/15376516.2020.1838019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Methylglyoxal (MG) is a highly reactive aldehyde able to form covalent adducts with proteins and nucleic acids, disrupting cellular functions. In this study, we performed a screening of Saccharomyces cerevisiae (S. cerevisiae) strains to find out which genes of cells are responsive to MG, emphasizing genes against oxidative stress and DNA repair. Yeast strains were grown in the YPD-Galactose medium containing MG (0.5 to 12 mM). The tolerance to MG was evaluated by determining cellular growth and cell viability. The toxicity of MG was more pronounced in the strains with deletion in genes engaged with DNA repair checkpoint proteins, namely Rad23 and Rad50. MG also impaired the growth and viability of S. cerevisiae mutant strains Glo1 and Gsh1, both components of the glyoxalase I system. Differently, the strains with deletion in genes encoding for antioxidant enzymes were apparently resistant to MG. In summary, our data indicate that DNA repair and MG detoxification pathways are keys in the control of MG toxicity in S. cerevisiae.
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Affiliation(s)
- Sandra Sartoretto Pavin
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Alessandro de Souza Prestes
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Matheus Mulling Dos Santos
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Gabriel Teixeira de Macedo
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Sabrina Antunes Ferreira
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Mariana Torri Claro
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Cristiane Dalla Corte
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Nilda Vargas Barbosa
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
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66
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Cai S, Liu C, Jiao X, Zhao L, Zeng X. A rational design of fluorescent probes for specific detection and imaging of endogenous formaldehyde in living cells. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131617] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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67
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Awate S, Sommers JA, Datta A, Nayak S, Bellani MA, Yang O, Dunn CA, Nicolae CM, Moldovan GL, Seidman MM, Cantor SB, Brosh RM. FANCJ compensates for RAP80 deficiency and suppresses genomic instability induced by interstrand cross-links. Nucleic Acids Res 2020; 48:9161-9180. [PMID: 32797166 DOI: 10.1093/nar/gkaa660] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 07/24/2020] [Accepted: 07/28/2020] [Indexed: 12/16/2022] Open
Abstract
FANCJ, a DNA helicase and interacting partner of the tumor suppressor BRCA1, is crucial for the repair of DNA interstrand crosslinks (ICL), a highly toxic lesion that leads to chromosomal instability and perturbs normal transcription. In diploid cells, FANCJ is believed to operate in homologous recombination (HR) repair of DNA double-strand breaks (DSB); however, its precise role and molecular mechanism is poorly understood. Moreover, compensatory mechanisms of ICL resistance when FANCJ is deficient have not been explored. In this work, we conducted a siRNA screen to identify genes of the DNA damage response/DNA repair regime that when acutely depleted sensitize FANCJ CRISPR knockout cells to a low concentration of the DNA cross-linking agent mitomycin C (MMC). One of the top hits from the screen was RAP80, a protein that recruits repair machinery to broken DNA ends and regulates DNA end-processing. Concomitant loss of FANCJ and RAP80 not only accentuates DNA damage levels in human cells but also adversely affects the cell cycle checkpoint, resulting in profound chromosomal instability. Genetic complementation experiments demonstrated that both FANCJ's catalytic activity and interaction with BRCA1 are important for ICL resistance when RAP80 is deficient. The elevated RPA and RAD51 foci in cells co-deficient of FANCJ and RAP80 exposed to MMC are attributed to single-stranded DNA created by Mre11 and CtIP nucleases. Altogether, our cell-based findings together with biochemical studies suggest a critical function of FANCJ to suppress incompletely processed and toxic joint DNA molecules during repair of ICL-induced DNA damage.
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Affiliation(s)
- Sanket Awate
- Laboratory of Molecular Gerontology, National Institute on Aging, NIH, Baltimore, MD, USA
| | - Joshua A Sommers
- Laboratory of Molecular Gerontology, National Institute on Aging, NIH, Baltimore, MD, USA
| | - Arindam Datta
- Laboratory of Molecular Gerontology, National Institute on Aging, NIH, Baltimore, MD, USA
| | - Sumeet Nayak
- Department of Cancer Biology, University of Massachusetts Medical School - UMASS Memorial Cancer Center, Worcester, MA, USA
| | - Marina A Bellani
- Laboratory of Molecular Gerontology, National Institute on Aging, NIH, Baltimore, MD, USA
| | - Olivia Yang
- Department of Biophysics and Biophysical Chemistry, Johns Hopkins University, Baltimore, MD, USA
| | - Christopher A Dunn
- Flow Cytometry Unit, National Institute on Aging, NIH, Baltimore, MD, USA
| | - Claudia M Nicolae
- Department of Biochemistry and Molecular Biology, Penn State College of Medicine, Hershey, PA, USA
| | - George-Lucian Moldovan
- Department of Biochemistry and Molecular Biology, Penn State College of Medicine, Hershey, PA, USA
| | - Michael M Seidman
- Laboratory of Molecular Gerontology, National Institute on Aging, NIH, Baltimore, MD, USA
| | - Sharon B Cantor
- Department of Cancer Biology, University of Massachusetts Medical School - UMASS Memorial Cancer Center, Worcester, MA, USA
| | - Robert M Brosh
- Laboratory of Molecular Gerontology, National Institute on Aging, NIH, Baltimore, MD, USA
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68
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Fakhfakh J, Athmouni K, Mallek-Fakhfakh H, Ayedi H, Allouche N. Polysaccharide from Lycium arabicum: Structural Features, in Vitro Antioxidant Activities and Protective Effect against Oxidative Damage in Human Erythrocytes. Chem Biodivers 2020; 17:e2000614. [PMID: 33084194 DOI: 10.1002/cbdv.202000614] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 10/20/2020] [Indexed: 11/06/2022]
Abstract
In this research work, a water-soluble polysaccharide (LAP) isolated from the fruits of Lycium arabicum was investigated. LAP contains carbohydrates (82.45±1.23 %), protein (1.56±0.21 %), and uronic acids (3.56±0.34 %). The analysis of the monosaccharide composition revealed the presence of rhamnose, arabinose, galactose, glucose and mannose in a molar ratio of 4.7 : 1.5 : 1 : 8.7 : 16.4 : 5.6. The extracted polysaccharide (PS) was considered as heterogeneous and highly branched by interpreting its GC/MS, FT-IR and NMR data. Crystallinity of LAP was inferred from its X-ray diffractometry (XRD) and Scanning Electron Microscopy (SEM) analysis. LAP exhibited an interesting stability at high temperatures (∼254 °C) and in a wide range of pH (3-9) deduced, respectively, from its DSC and zeta potential analysis. LAP displayed a strong antioxidant activity at low concentrations evaluated by the 2,2-diphenyl-1-picrylhydrazyl (DPPH)-radical scavenging, ferric reducing activity power (FRAP), free radical scavenging ability, superoxide radical-scavenging and hydroxyl radical-scavenging abilities. Inhibition of erythrocyte hemolysis and lipid peroxidation was also assessed. In 5 h, LAP treatment allowed the protection of the damaged erythrocytes caused by AAPH (2,2-azobis(2-amidinopropane) dihydrochloride), to reduce the level of malondialdehyde (MDA) as well as to increase the reduced glutathione (GSH) level.
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Affiliation(s)
- Jawhar Fakhfakh
- Laboratory of Organic Chemistry LR17ES08 (Natural Substances Section), Department of Chemistry, Faculty of Sciences, University of Sfax, Road of Soukra, Km 4.5, P.O. Box 1171, 3000, Sfax, Tunisia
| | - Khaled Athmouni
- Faculty of Sciences, Department of Life Sciences, Laboratory of Animal Ecophysiology, University of Sfax, P.O. Box 95, 3000, Sfax, Tunisia
| | - Hanen Mallek-Fakhfakh
- Laboratory of Organic Chemistry LR17ES08 (Natural Substances Section), Department of Chemistry, Faculty of Sciences, University of Sfax, Road of Soukra, Km 4.5, P.O. Box 1171, 3000, Sfax, Tunisia.,Laboratory of Molecular Biotechnology of Eucaryotes, Center of Biotechnology of Sfax, University of Sfax, P.O. Box 1177, Sidi Mansour, 3018, Sfax, Tunisia
| | - Habib Ayedi
- Faculty of Sciences, Department of Life Sciences, Laboratory of Animal Ecophysiology, University of Sfax, P.O. Box 95, 3000, Sfax, Tunisia
| | - Noureddine Allouche
- Laboratory of Organic Chemistry LR17ES08 (Natural Substances Section), Department of Chemistry, Faculty of Sciences, University of Sfax, Road of Soukra, Km 4.5, P.O. Box 1171, 3000, Sfax, Tunisia
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69
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Kühbacher U, Duxin JP. How to fix DNA-protein crosslinks. DNA Repair (Amst) 2020; 94:102924. [PMID: 32683310 PMCID: PMC7511601 DOI: 10.1016/j.dnarep.2020.102924] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 07/03/2020] [Accepted: 07/05/2020] [Indexed: 12/18/2022]
Abstract
Proteins that act on DNA, or are in close proximity to it, can become inadvertently crosslinked to DNA and form highly toxic lesions, known as DNA-protein crosslinks (DPCs). DPCs are generated by different chemotherapeutics, environmental or endogenous sources of crosslinking agents, or by lesions on DNA that stall the catalytic cycle of certain DNA processing enzymes. These bulky adducts impair processes on DNA such as DNA replication or transcription, and therefore pose a serious threat to genome integrity. The large diversity of DPCs suggests that there is more than one canonical mechanism to repair them. Indeed, many different enzymes have been shown to act on DPCs by either processing the protein, the DNA or the crosslink itself. In addition, the cell cycle stage or cell type are likely to dictate pathway choice. In recent years, a detailed understanding of DPC repair during S phase has started to emerge. Here, we review the current knowledge on the mechanisms of replication-coupled DPC repair, and describe and also speculate on possible pathways that remove DPCs outside of S phase. Moreover, we highlight a recent paradigm shifting finding that indicates that DPCs are not always detrimental, but can also play a protective role, preserving the genome from more deleterious forms of DNA damage.
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Affiliation(s)
- Ulrike Kühbacher
- The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Julien P Duxin
- The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark.
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70
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Alamil H, Galanti L, Heutte N, Van Der Schueren M, Dagher Z, Lechevrel M. Genotoxicity of aldehyde mixtures: profile of exocyclic DNA-adducts as a biomarker of exposure to tobacco smoke. Toxicol Lett 2020; 331:57-64. [PMID: 32442718 DOI: 10.1016/j.toxlet.2020.05.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 05/06/2020] [Accepted: 05/11/2020] [Indexed: 01/14/2023]
Abstract
Electrophilic compounds present in humans, originating from endogenous processes or pollutant exposures, pose a risk to health though their reaction with nucleophilic sites in protein and DNA. Among this chemical class, aldehydes are mainly present in indoor air and they can also be produced by endogenous lipid peroxidation arising from oxidative stress. Known to be very reactive, aldehydes have the ability to form exocyclic adducts to DNA that, for the most if not repaired correctly, are mutagenic and by consequence potential agents involved in carcinogenesis. The aim of this work was to establish profiles of exocyclic DNA adducts induced by aldehyde mixtures, which could ultimately be considered as a genotoxic marker of endogenous and environmental aldehyde exposure. Adducts were quantified by an accurate, sensitive and validated ultra high performance liquid chromatography-electrospray ionization analytical method coupled to mass spectrometry in the tandem mode (UHPLC-ESI-MS/MS). We simultaneously measured nine exocyclic DNA adducts generated during the exposure in vitro of calf thymus DNA to different concentrations of each aldehyde along, as well as, to an equimolar mixture of these aldehydes. This approach has enabled us to establish dose-response relationships that allowed displaying the specific reactivity of aldehydes towards corresponding adducts formation. Profiles of these adducts determined in DNA of current smokers and non-smokers blood samples supported these findings. These first results are encouraging to explore genotoxicity induced by aldehyde mixtures and can furthermore be used as future reference for adductomic approaches.
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Affiliation(s)
- Héléna Alamil
- Normandie University, UNICAEN, ABTE EA4651, Caen, France; CCC François Baclesse, UNICANCER, Caen, France; L2GE, Microbiology-Tox/Ecotox Team, Faculty of Sciences, Lebanese University, Fanar, Lebanon.
| | | | - Natacha Heutte
- CCC François Baclesse, UNICANCER, Caen, France; Normandie University, UNIROUEN, CETAPS EA3832, Mont Saint Aignan, Cedex, France
| | | | - Zeina Dagher
- L2GE, Microbiology-Tox/Ecotox Team, Faculty of Sciences, Lebanese University, Fanar, Lebanon
| | - Mathilde Lechevrel
- Normandie University, UNICAEN, ABTE EA4651, Caen, France; CCC François Baclesse, UNICANCER, Caen, France.
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Mengwen L, Ao S, Yueqi L, Hao Z, Xiaohui H, Xueliang L, Xinchao S, Yunxu Y. The selective and sensitive detection of formaldehyde by ZIF-90-LWvia aza-Cope rearrangement. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:3748-3755. [PMID: 32779657 DOI: 10.1039/d0ay00493f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Formaldehyde (FA), as one of the simplest reactive carbonyl species (RCS), is widely known as an environmental toxin and carcinogen. In this work, a new ZIF-90 type material (ZIF-90-LW) was synthesized and investigated, which combines the two strategies of "2-aza-Cope rearrangement" and "MOF structure", by the combination of a pre-functionalized 2-allylaminoimidazole ligand and Zn2+ salt under solvothermal conditions. From this, the hurdle of selectivity over other carbonyl compounds (RCS) could be overcome despite their similar electrophilic reactivities to FA, and a prominent fluorescence turn-on type signal was realized through the 2-aza-Cope rearrangement mechanism. A good linear relationship (R2 = 0.9979) was obtained by fitting the fluorescence intensity towards FA from 0 to 25 mM, and the detection limit of ZIF-90-LW for FA was 2.3 μM. In addition, it also showed potentially useful sensing ability for the detection of FA in the gas phase, and might therefore be used to rapidly detect FA with a response time of 28 s in the liquid phase. All of the above features clearly demonstrate that ZIF-90-LW has great potential for sensitive and selective recognition of FA in the environment.
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Affiliation(s)
- Li Mengwen
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
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Rageul J, Kim H. Fanconi anemia and the underlying causes of genomic instability. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2020; 61:693-708. [PMID: 31983075 PMCID: PMC7778457 DOI: 10.1002/em.22358] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/03/2020] [Accepted: 01/21/2020] [Indexed: 05/02/2023]
Abstract
Fanconi anemia (FA) is a rare genetic disorder, characterized by birth defects, progressive bone marrow failure, and a predisposition to cancer. This devastating disease is caused by germline mutations in any one of the 22 known FA genes, where the gene products are primarily responsible for the resolution of DNA interstrand cross-links (ICLs), a type of DNA damage generally formed by cytotoxic chemotherapeutic agents. However, the identity of endogenous mutagens that generate DNA ICLs remains largely elusive. In addition, whether DNA ICLs are indeed the primary cause behind FA phenotypes is still a matter of debate. Recent genetic studies suggest that naturally occurring reactive aldehydes are a primary source of DNA damage in hematopoietic stem cells, implicating that they could play a role in genome instability and FA. Emerging lines of evidence indicate that the FA pathway constitutes a general surveillance mechanism for the genome by protecting against a variety of DNA replication stresses. Therefore, understanding the DNA repair signaling that is regulated by the FA pathway, and the types of DNA lesions underlying the FA pathophysiology is crucial for the treatment of FA and FA-associated cancers. Here, we review recent advances in our understanding of the relationship between reactive aldehydes, bone marrow dysfunction, and FA biology in the context of signaling pathways triggered during FA-mediated DNA repair and maintenance of the genomic integrity. Environ. Mol. Mutagen. 2020. © 2020 Wiley Periodicals, Inc.
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Affiliation(s)
- Julie Rageul
- Department of Pharmacological Sciences, State University of New York at Stony Brook, Stony Brook, New York 11794, USA
| | - Hyungjin Kim
- Department of Pharmacological Sciences, State University of New York at Stony Brook, Stony Brook, New York 11794, USA
- Stony Brook Cancer Center, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York 11794, USA
- Correspondence to: Hyungjin Kim, Ph.D., Department of Pharmacological Sciences, Renaissance School of Medicine at Stony Brook University, Basic Sciences Tower 8-125, 100 Nicolls Rd., Stony Brook, NY 11794, Phone: 631-444-3134, FAX: 631-444-3218,
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73
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Hsiao YC, Liu CW, Chi L, Yang Y, Lu K. Effects of Gut Microbiome on Carcinogenic DNA Damage. Chem Res Toxicol 2020; 33:2130-2138. [PMID: 32677427 DOI: 10.1021/acs.chemrestox.0c00142] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The human intestine is host to a vast microbial community: the gut microbiome (GM). The GM has been considered as a key modulator of human health in the past decade. In particular, several studies have supported that altered GM is associated with cancer, such as colorectal cancer, adenocarcinoma, and pancreatic cancer. The formation of a DNA adduct is one of the key events in carcinogenesis, and whether GM can influence DNA adducts has yet to be examined. This study analyzed 10 DNA adducts (N2-Me-dG, N6-Me-dA, N2-Et-dG, OH-Me-dG, OH-Me-dA, N2-EtD-dG, O6-Me-dG, 1,N2-ε-dG, 8-oxo-dG, and 5-Cl-dC), attributed to various endogenous processes and physiological stressors, using highly sensitive LC-MS/MS in germ-free (GF) and conventionally raised (CONV-R) mice. Our results showed that significant differences in specific DNA adducts appeared in liver, colon, and small intestine samples between GF and CONV-R mice. The differences in adduct levels may indicate that GM can locally or systemically regulate endogenous processes including neutrophil bactericidal activity (represented by 5-Cl-dC), lipid peroxidation (1,N2-ε-dG), oxidative stress generation (8-oxo-dG), and endogenous aldehyde metabolism (OH-Me-dA). Further studies are warranted to elucidate how the GM influences endogenous process, DNA damage, and the risks of developing cancer.
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Affiliation(s)
- Yun-Chung Hsiao
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Chih-Wei Liu
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Liang Chi
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Yifei Yang
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Kun Lu
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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Anestopoulos I, Kiousi DE, Klavaris A, Galanis A, Salek K, Euston SR, Pappa A, Panayiotidis MI. Surface Active Agents and Their Health-Promoting Properties: Molecules of Multifunctional Significance. Pharmaceutics 2020; 12:E688. [PMID: 32708243 PMCID: PMC7407150 DOI: 10.3390/pharmaceutics12070688] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/15/2020] [Accepted: 07/17/2020] [Indexed: 12/11/2022] Open
Abstract
Surface active agents (SAAs) are molecules with the capacity to adsorb to solid surfaces and/or fluid interfaces, a property that allows them to act as multifunctional ingredients (e.g., wetting and dispersion agents, emulsifiers, foaming and anti-foaming agents, lubricants, etc.) in a widerange of the consumer products of various industrial sectors (e.g., pharmaceuticals, cosmetics, personal care, detergents, food, etc.). Given their widespread utilization, there is a continuously growing interest to explore their role in consumer products (relevant to promoting human health) and how such information can be utilized in order to synthesize better chemical derivatives. In this review article, weaimed to provide updated information on synthetic and biological (biosurfactants) SAAs and their health-promoting properties (e.g., anti-microbial, anti-oxidant, anti-viral, anti-inflammatory, anti-cancer and anti-aging) in an attempt to better define some of the underlying mechanism(s) by which they exert such properties.
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Affiliation(s)
- Ioannis Anestopoulos
- Department of Molecular Biology & Genetics, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (I.A.); (D.E.K.); (A.G.)
| | - Despoina Eugenia Kiousi
- Department of Molecular Biology & Genetics, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (I.A.); (D.E.K.); (A.G.)
| | - Ariel Klavaris
- Department of Biological Sciences, University of Cyprus, 2109 Nicosia, Cyprus;
| | - Alex Galanis
- Department of Molecular Biology & Genetics, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (I.A.); (D.E.K.); (A.G.)
| | - Karina Salek
- Institute of Mechanical, Process & Energy Engineering, Heriot Watt University, Edinburgh EH14 4AS, UK; (K.S.); (S.R.E.)
| | - Stephen R. Euston
- Institute of Mechanical, Process & Energy Engineering, Heriot Watt University, Edinburgh EH14 4AS, UK; (K.S.); (S.R.E.)
| | - Aglaia Pappa
- Department of Molecular Biology & Genetics, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (I.A.); (D.E.K.); (A.G.)
| | - Mihalis I. Panayiotidis
- Department of Applied Sciences, Northumbria University, Newcastle Upon Tyne NE1 8ST, UK
- Department of Electron Microscopy & Molecular Pathology, The Cyprus Institute of Neurology & Genetics, 2371 Nicosia, Cyprus
- The Cyprus School of Molecular Medicine, P.O. Box 23462, 1683 Nicosia, Cyprus
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Jin L, Jagatheesan G, Lynch J, Guo L, Conklin DJ. Crotonaldehyde-induced vascular relaxation and toxicity: Role of endothelium and transient receptor potential ankyrin-1 (TRPA1). Toxicol Appl Pharmacol 2020; 398:115012. [PMID: 32320793 PMCID: PMC7375699 DOI: 10.1016/j.taap.2020.115012] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Revised: 04/13/2020] [Accepted: 04/15/2020] [Indexed: 01/25/2023]
Abstract
INTRODUCTION Crotonaldehyde (CR) is an electrophilic α,β-unsaturated aldehyde present in foods and beverages and is a minor metabolite of 1,3-butadiene. CR is a product of incomplete combustion, and is at high levels in smoke of cigarettes and structural fires. Exposure to CR has been linked to cardiopulmonary toxicity and cardiovascular disease. OBJECTIVE The purpose of this study was to examine the direct effects of CR in murine blood vessels (aorta and superior mesenteric artery, SMA) using an in vitro system. METHODS AND RESULTS CR induced concentration-dependent (1-300 μM) relaxations (75-80%) in phenylephrine (PE) precontracted aorta and SMA. Because the SMA was 20× more sensitive to CR than aorta (SMA EC50 3.8 ± 0.5 μM; aorta EC50 76.0 ± 2.0 μM), mechanisms of CR relaxation were studied in SMA. The CR-induced relaxation at low concentrations (1-30 μM) was inhibited by: 1) mechanically-impaired endothelium; 2) Nω-Nitro-L-arginine methyl ester hydrochloride (L-NAME); 3) guanylyl cyclase (GC) inhibitor (ODQ); 4) transient receptor potential ankyrin-1 (TRPA1) antagonist (A967079); and, 5) by non-vasoactive level of nicotine (1 μM). Similarly, a TRPA1 agonist, allyl isothiocyanate (AITC; mustard oil), stimulated SMA relaxation dependent on TRPA1, endothelium, NO, and GC. Consistent with these mechanisms, TRPA1 was present in the SMA endothelium. CR, at higher concentrations (100-300 μM), induced tension oscillations (spasms) and irreversibly impaired contractility (a vasotoxic effect enhanced by impaired endothelium). CONCLUSIONS CR relaxation depends on a functional endothelium and TRPA1, whereas vasotoxicity is enhanced by endothelium dysfunction. Thus, CR is both vasoactive and vasotoxic along a concentration continuum.
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Affiliation(s)
- L Jin
- Department of Anesthesiology, Critical Care and Pain Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China; Department of Pharmacology and Toxicology, School of Medicine, University of Louisville, Louisville, KY, USA; Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY, USA; Diabetes and Obesity Center, University of Louisville, Louisville, KY, USA; American Heart Association-Tobacco Regulation Center, University of Louisville, Louisville, KY, USA
| | - G Jagatheesan
- Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY, USA; Diabetes and Obesity Center, University of Louisville, Louisville, KY, USA; American Heart Association-Tobacco Regulation Center, University of Louisville, Louisville, KY, USA
| | - J Lynch
- Department of Pharmacology and Toxicology, School of Medicine, University of Louisville, Louisville, KY, USA; Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY, USA; Diabetes and Obesity Center, University of Louisville, Louisville, KY, USA; American Heart Association-Tobacco Regulation Center, University of Louisville, Louisville, KY, USA
| | - L Guo
- Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY, USA; Diabetes and Obesity Center, University of Louisville, Louisville, KY, USA; American Heart Association-Tobacco Regulation Center, University of Louisville, Louisville, KY, USA
| | - D J Conklin
- Department of Pharmacology and Toxicology, School of Medicine, University of Louisville, Louisville, KY, USA; Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY, USA; Diabetes and Obesity Center, University of Louisville, Louisville, KY, USA; American Heart Association-Tobacco Regulation Center, University of Louisville, Louisville, KY, USA.
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Participation of TDP1 in the repair of formaldehyde-induced DNA-protein cross-links in chicken DT40 cells. PLoS One 2020; 15:e0234859. [PMID: 32589683 PMCID: PMC7319324 DOI: 10.1371/journal.pone.0234859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 06/03/2020] [Indexed: 11/19/2022] Open
Abstract
Proteins are covalently trapped on DNA to form DNA-protein cross-links (DPCs) when cells are exposed to DNA-damaging agents. Aldehyde compounds produce common types of DPCs that contain proteins in an undisrupted DNA strand. Tyrosyl-DNA phosphodiesterase 1 (TDP1) repairs topoisomerase 1 (TOPO1) that is trapped at the 3’-end of DNA. In the present study, we examined the contribution of TDP1 to the repair of formaldehyde-induced DPCs using a reverse genetic strategy with chicken DT40 cells. The results obtained showed that cells deficient in TDP1 were sensitive to formaldehyde. The removal of formaldehyde-induced DPCs was slower in tdp1-deficient cells than in wild type cells. We also found that formaldehyde did not produce trapped TOPO1, indicating that trapped TOPO1 was not a primary cytotoxic DNA lesion that was generated by formaldehyde and repaired by TDP1. The formaldehyde treatment resulted in the accumulation of chromosomal breakages that were more prominent in tdp1-deficient cells than in wild type cells. Therefore, TDP1 plays a critical role in the repair of formaldehyde-induced DPCs that are distinct from trapped TOPO1.
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Role of Diosmin in protection against the oxidative stress induced damage by gamma-radiation in Wistar albino rats. Regul Toxicol Pharmacol 2020; 113:104622. [DOI: 10.1016/j.yrtph.2020.104622] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 01/02/2020] [Accepted: 02/18/2020] [Indexed: 01/04/2023]
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Effect of temperature on 3,4-Methylenedioxypyrovalerone (MDPV)-induced metabolome disruption in primary mouse hepatic cells. Toxicology 2020; 441:152503. [PMID: 32470494 DOI: 10.1016/j.tox.2020.152503] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 04/19/2020] [Accepted: 05/18/2020] [Indexed: 02/06/2023]
Abstract
3,4-Methylenedioxypyrovalerone (MDPV) is one of the most popular cathinone derivatives worldwide and has recently been associated with several intoxications and deaths, in which, similarly to amphetamines, hyperthermia appears to play a prominent role. However, there remains a huge information gap underlying the mechanisms associated with its hepatotoxicity, namely under hyperthermic conditions. Here, we use a sensitive untargeted metabolomic approach based on gas chromatography-mass spectrometry (GC-MS) to investigate the effect of subtoxic and toxic concentrations of MDPV on the metabolic profile of primary mouse hepatocytes (PMH), under normothermic and hyperthermic conditions. For this purpose, hepatocytes were exposed to increasing concentrations of MDPV (LC01, LC10 and LC30) for 24 h, at 37 °C or 40.5 °C, and alterations on both intracellular metabolome and extracellular volatilome were evaluated. Multivariate analysis showed a clear separation between MDPV exposed cells and control cells in normothermic conditions, even at subtoxic concentrations (LC01 and LC10). In normothermia, there was a significant dysregulation of pathways associated with ascorbate metabolism, tricarboxylic acid (TCA) cycle and pyruvate metabolism. These metabolic changes were significantly increased at 40.5 °C, and several other pathways appear to be affected with the evolution of toxicity caused by MDPV under hyperthermic conditions, namely aspartate and glutamate metabolism, phenylalanine and tyrosine biosynthesis, aminoacyl-tRNA biosynthesis, butanoate metabolism, among others. Overall, our findings provide novel insights into the mechanism of hepatotoxicity triggered by MDPV and highlight the higher risks that may occur under hyperthermic conditions.
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Xie X, Zhang Z, Zhao Z, Xie Y, Li H, Ma X, Liu YG, Chen L. The mitochondrial aldehyde dehydrogenase OsALDH2b negatively regulates tapetum degeneration in rice. JOURNAL OF EXPERIMENTAL BOTANY 2020; 71:2551-2560. [PMID: 31989154 PMCID: PMC7210758 DOI: 10.1093/jxb/eraa045] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 01/26/2020] [Indexed: 05/02/2023]
Abstract
Timely degradation of anther tapetal cells is a prerequisite for normal pollen development in flowering plants. Although several genes involved in tapetum development have been identified, the molecular basis of tapetum degeneration regulation remains poorly understood. In this study, we identified and characterized the nucleus-encoded, conserved mitochondrial aldehyde dehydrogenase OsALDH2b as a key regulator of tapetum degeneration in rice (Oryza sativa). OsALDH2b was highly expressed in anthers from meiosis to the early microspore stage. Mutation of OsALDH2b resulted in excess malonaldehyde accumulation and earlier programmed cell death in the tapetum, leading to premature tapetum degeneration and abnormal microspore development. These results demonstrate that OsALDH2b negatively regulates tapetal programmed cell death and is required for male reproductive development, providing insights into the regulation of tapetum development in plants.
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Affiliation(s)
- Xianrong Xie
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Zixu Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
- Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions, South China Agricultural University, Guangzhou, China
| | - Zhe Zhao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
- Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions, South China Agricultural University, Guangzhou, China
| | - Yongyao Xie
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
- Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions, South China Agricultural University, Guangzhou, China
| | - Heying Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Xingliang Ma
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Yao-Guang Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Letian Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
- Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions, South China Agricultural University, Guangzhou, China
- Correspondence:
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Matsuoka Y, Izumi Y, Takahashi M, Bamba T, Yamada KI. Method for Structural Determination of Lipid-Derived Radicals. Anal Chem 2020; 92:6993-7002. [DOI: 10.1021/acs.analchem.0c00053] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Yuta Matsuoka
- Physical Chemistry for Life Science Laboratory, Faculty of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
- AMED-CREST, Japan Agency for Medical Research and Development, 1-7-1 Ohtemachi, Chiyoda-ku, Tokyo 100-0004, Japan
| | - Yoshihiro Izumi
- AMED-CREST, Japan Agency for Medical Research and Development, 1-7-1 Ohtemachi, Chiyoda-ku, Tokyo 100-0004, Japan
- Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Masatomo Takahashi
- Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Takeshi Bamba
- AMED-CREST, Japan Agency for Medical Research and Development, 1-7-1 Ohtemachi, Chiyoda-ku, Tokyo 100-0004, Japan
- Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Ken-ichi Yamada
- Physical Chemistry for Life Science Laboratory, Faculty of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
- AMED-CREST, Japan Agency for Medical Research and Development, 1-7-1 Ohtemachi, Chiyoda-ku, Tokyo 100-0004, Japan
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Grúz P, Shimizu M, Sugiyama KI, Yamada M, Honma M. Effect of episomally encoded DNA polymerases on chemically induced mutagenesis at the hisG46 target in Ames test. Genes Environ 2020; 42:14. [PMID: 32211083 PMCID: PMC7092418 DOI: 10.1186/s41021-020-00154-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 03/13/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The standard Ames test strains owe their high sensitivity to chemical and physical mutagens to the episomal Y-family DNA polymerase RI encoded by the mucAB operon. The S. typhimurium test strains carry also another related samAB operon on a 60-kDa cryptic plasmid. In contrast to the chromosomally encoded Y-family DNA polymerases V and IV, these plasmid born polymerase genes have no direct counterpart in mammalian cells. By replicating damaged templates, DNA polymerases play a central role in mutagenesis and genome stability. It is therefore imperative to investigate their specificity to understand differences in mutagenesis between the prokaryotic versus eukaryotic (mammalian) systems. To this end we have isolated and separately expressed the DNA polymerase subunits encoded by the mucAB and samAB operons. After demonstrating how these enzymes control chemical and UV mutagenesis at the standard hisD3052 and hisG428 Ames test targets, we are now adding the third Ames test target hisG46 to the trilogy. RESULTS Four new Ames tester strains based on the hisG46 target have been constructed expressing the activated DNA polymerase MucA' and SamA' accessory subunits combined with the MucB and SamB catalytical subunits under the control of lac promoter. These polymerase assemblies were substituted for the endogenous PolRI, PolV and SamAB polymerases present in the standard TA100 strain and tested for their abilities to promote chemically induced mutagenesis. SamA' + SamB has been able to promote mutagenesis induced by AF-2 and 1,8-DNP to higher extent than SamA' + MucB. The MucA' + MucB (PolRI*) more efficiently promoted MMS as well as spontaneous mutagenesis than its wild type counterpart but was less efficient for other mutagens including AFB1. Strikingly azide mutagenesis was inhibited by PolRI and also SamA'B. CONCLUSION A new system for SOS-independent overexpression of the activated DNA polymerases RI and SamA'B and their chimeras in the hisG46 Ames test background has been established and validated with several representative mutagens. Overall, the TA100 strain showed the highest sensitivity towards most tested mutagens. The observed inhibition of azide mutagenesis by PolRI* suggests that this type of Y-family DNA polymerases can perform also "corrective" error free replication on a damaged DNA.
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Affiliation(s)
- Petr Grúz
- 1Division of Genetics and Mutagenesis, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki-shi, Kanagawa 210-9501 Japan
| | - Masatomi Shimizu
- 1Division of Genetics and Mutagenesis, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki-shi, Kanagawa 210-9501 Japan
- Division of Medical Nutrition, Faculty of Healthcare, Tokyo Healthcare University, Tokyo, 154-8568 Japan
| | - Kei-Ichi Sugiyama
- 1Division of Genetics and Mutagenesis, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki-shi, Kanagawa 210-9501 Japan
| | - Masami Yamada
- 1Division of Genetics and Mutagenesis, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki-shi, Kanagawa 210-9501 Japan
- 3Department of Applied Chemistry, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686 Japan
| | - Masamitsu Honma
- 1Division of Genetics and Mutagenesis, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki-shi, Kanagawa 210-9501 Japan
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Liu W, Palovcak A, Li F, Zafar A, Yuan F, Zhang Y. Fanconi anemia pathway as a prospective target for cancer intervention. Cell Biosci 2020; 10:39. [PMID: 32190289 PMCID: PMC7075017 DOI: 10.1186/s13578-020-00401-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 03/06/2020] [Indexed: 12/13/2022] Open
Abstract
Fanconi anemia (FA) is a recessive genetic disorder caused by biallelic mutations in at least one of 22 FA genes. Beyond its pathological presentation of bone marrow failure and congenital abnormalities, FA is associated with chromosomal abnormality and genomic instability, and thus represents a genetic vulnerability for cancer predisposition. The cancer relevance of the FA pathway is further established with the pervasive occurrence of FA gene alterations in somatic cancers and observations of FA pathway activation-associated chemotherapy resistance. In this article we describe the role of the FA pathway in canonical interstrand crosslink (ICL) repair and possible contributions of FA gene alterations to cancer development. We also discuss the perspectives and potential of targeting the FA pathway for cancer intervention.
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Affiliation(s)
- Wenjun Liu
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Building Room 311, 1011 NW 15th Street, Miami, FL 33136 USA
| | - Anna Palovcak
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Building Room 311, 1011 NW 15th Street, Miami, FL 33136 USA
| | - Fang Li
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Building Room 311, 1011 NW 15th Street, Miami, FL 33136 USA
| | - Alyan Zafar
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Building Room 311, 1011 NW 15th Street, Miami, FL 33136 USA
| | - Fenghua Yuan
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Building Room 311, 1011 NW 15th Street, Miami, FL 33136 USA
| | - Yanbin Zhang
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Building Room 311, 1011 NW 15th Street, Miami, FL 33136 USA
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136 USA
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83
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Brosh RM, Matson SW. History of DNA Helicases. Genes (Basel) 2020; 11:genes11030255. [PMID: 32120966 PMCID: PMC7140857 DOI: 10.3390/genes11030255] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/18/2020] [Accepted: 02/20/2020] [Indexed: 12/13/2022] Open
Abstract
Since the discovery of the DNA double helix, there has been a fascination in understanding the molecular mechanisms and cellular processes that account for: (i) the transmission of genetic information from one generation to the next and (ii) the remarkable stability of the genome. Nucleic acid biologists have endeavored to unravel the mysteries of DNA not only to understand the processes of DNA replication, repair, recombination, and transcription but to also characterize the underlying basis of genetic diseases characterized by chromosomal instability. Perhaps unexpectedly at first, DNA helicases have arisen as a key class of enzymes to study in this latter capacity. From the first discovery of ATP-dependent DNA unwinding enzymes in the mid 1970's to the burgeoning of helicase-dependent pathways found to be prevalent in all kingdoms of life, the story of scientific discovery in helicase research is rich and informative. Over four decades after their discovery, we take this opportunity to provide a history of DNA helicases. No doubt, many chapters are left to be written. Nonetheless, at this juncture we are privileged to share our perspective on the DNA helicase field - where it has been, its current state, and where it is headed.
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Affiliation(s)
- Robert M. Brosh
- Section on DNA Helicases, Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA
- Correspondence: (R.M.B.J.); (S.W.M.); Tel.: +1-410-558-8578 (R.M.B.J.); +1-919-962-0005 (S.W.M.)
| | - Steven W. Matson
- Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Correspondence: (R.M.B.J.); (S.W.M.); Tel.: +1-410-558-8578 (R.M.B.J.); +1-919-962-0005 (S.W.M.)
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84
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Zhao M, Guo YS, Xu WN, Zhao YF, Xie HY, Li HJ, Chen XF, Zhao RS, Guo DS. Far-red to near-infrared fluorescent probes based on silicon-substituted xanthene dyes for sensing and imaging. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115704] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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85
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Bozi LHM, Campos JC, Zambelli VO, Ferreira ND, Ferreira JCB. Mitochondrially-targeted treatment strategies. Mol Aspects Med 2019; 71:100836. [PMID: 31866004 DOI: 10.1016/j.mam.2019.100836] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 12/11/2019] [Accepted: 12/13/2019] [Indexed: 12/13/2022]
Abstract
Disruption of mitochondrial function is a common feature of inherited mitochondrial diseases (mitochondriopathies) and many other infectious and non-infectious diseases including viral, bacterial and protozoan infections, inflammatory and chronic pain, neurodegeneration, diabetes, obesity and cardiovascular diseases. Mitochondria therefore become an attractive target for developing new therapies. In this review we describe critical mechanisms involved in the maintenance of mitochondrial functionality and discuss strategies used to identify and validate mitochondrial targets in different diseases. We also highlight the most recent preclinical and clinical findings using molecules targeting mitochondrial bioenergetics, morphology, number, content and detoxification systems in common pathologies.
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Affiliation(s)
- Luiz H M Bozi
- Institute of Biomedical Sciences, University of Sao Paulo, Brazil
| | - Juliane C Campos
- Institute of Biomedical Sciences, University of Sao Paulo, Brazil
| | | | | | - Julio C B Ferreira
- Institute of Biomedical Sciences, University of Sao Paulo, Brazil; Department of Chemical and Systems Biology, School of Medicine, Stanford University, USA.
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86
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Pohl EE, Jovanovic O. The Role of Phosphatidylethanolamine Adducts in Modification of the Activity of Membrane Proteins under Oxidative Stress. Molecules 2019; 24:molecules24244545. [PMID: 31842328 PMCID: PMC6943717 DOI: 10.3390/molecules24244545] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 12/09/2019] [Accepted: 12/10/2019] [Indexed: 12/11/2022] Open
Abstract
Reactive oxygen species (ROS) and their derivatives, reactive aldehydes (RAs), have been implicated in the pathogenesis of many diseases, including metabolic, cardiovascular, and inflammatory disease. Understanding how RAs can modify the function of membrane proteins is critical for the design of therapeutic approaches in the above-mentioned pathologies. Over the last few decades, direct interactions of RA with proteins have been extensively studied. Yet, few studies have been performed on the modifications of membrane lipids arising from the interaction of RAs with the lipid amino group that leads to the formation of adducts. It is even less well understood how various multiple adducts affect the properties of the lipid membrane and those of embedded membrane proteins. In this short review, we discuss a crucial role of phosphatidylethanolamine (PE) and PE-derived adducts as mediators of RA effects on membrane proteins. We propose potential PE-mediated mechanisms that explain the modulation of membrane properties and the functions of membrane transporters, channels, receptors, and enzymes. We aim to highlight this new area of research and to encourage a more nuanced investigation of the complex nature of the new lipid-mediated mechanism in the modification of membrane protein function under oxidative stress.
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87
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Alamil H, Lechevrel M, Lagadu S, Galanti L, Dagher Z, Delépée R. A validated UHPLC-MS/MS method for simultaneous quantification of 9 exocyclic DNA adducts induced by 8 aldehydes. J Pharm Biomed Anal 2019; 179:113007. [PMID: 31796220 DOI: 10.1016/j.jpba.2019.113007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 11/20/2019] [Accepted: 11/21/2019] [Indexed: 11/18/2022]
Abstract
Human exposure to aldehydes is implicated in several diseases including cancer. These strong electrophilic compounds can react with nucleophilic sites in DNA to form reversible and irreversible modifications. These modifications, if not repaired, can contribute to pathogenesis. The aim of our study was to provide a mass spectrometry (MS)-based profiling method for identifying potential biomarkers of aldehydes exposure. We have developed and validated a highly sensitive method using ultra high performance liquid chromatography-electrospray ionization-tandem mass spectrometry (UHPLC-ESI-MS/MS) for the simultaneous quantitation of 9 exocyclic DNA adducts derived from 8 main exogenous and endogenous aldehydes, namely formaldehyde, acetaldehyde, acrolein, crotonaldehyde, malondialdehyde, 4-hydroxy-2-nonenal, glyoxal and methylglyoxal. Finally, we applied the established method to quantify adducts in genomic DNA isolated from the blood of a smoker and a non-smoker blood samples in order to demonstrate its applicability.
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Affiliation(s)
- Héléna Alamil
- Normandy University, UNICAEN, UNIROUEN, ABTE, Caen, France; Comprehensive Cancer Center François Baclesse, UNICANCER, Caen, France; L2GE, Microbiology-Tox/Ecotox Team, Faculty of Sciences, Lebanese University, Fanar, Lebanon.
| | - Mathilde Lechevrel
- Normandy University, UNICAEN, UNIROUEN, ABTE, Caen, France; Comprehensive Cancer Center François Baclesse, UNICANCER, Caen, France
| | - Stéphanie Lagadu
- Normandy University, UNICAEN, UNIROUEN, ABTE, Caen, France; Comprehensive Cancer Center François Baclesse, UNICANCER, Caen, France; Normandy University, UNICAEN, PRISMM Platform ICORE, Caen, France
| | | | - Zeina Dagher
- L2GE, Microbiology-Tox/Ecotox Team, Faculty of Sciences, Lebanese University, Fanar, Lebanon
| | - Raphaël Delépée
- Normandy University, UNICAEN, UNIROUEN, ABTE, Caen, France; Comprehensive Cancer Center François Baclesse, UNICANCER, Caen, France; Normandy University, UNICAEN, PRISMM Platform ICORE, Caen, France.
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88
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Lima AR, Pinto J, Azevedo AI, Barros-Silva D, Jerónimo C, Henrique R, de Lourdes Bastos M, Guedes de Pinho P, Carvalho M. Identification of a biomarker panel for improvement of prostate cancer diagnosis by volatile metabolic profiling of urine. Br J Cancer 2019; 121:857-868. [PMID: 31588123 PMCID: PMC6889512 DOI: 10.1038/s41416-019-0585-4] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 08/21/2019] [Accepted: 09/04/2019] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND The lack of sensitive and specific biomarkers for the early detection of prostate cancer (PCa) is a major hurdle to improve patient management. METHODS A metabolomics approach based on GC-MS was used to investigate the performance of volatile organic compounds (VOCs) in general and, more specifically, volatile carbonyl compounds (VCCs) present in urine as potential markers for PCa detection. RESULTS Results showed that PCa patients (n = 40) can be differentiated from cancer-free subjects (n = 42) based on their urinary volatile profile in both VOCs and VCCs models, unveiling significant differences in the levels of several metabolites. The models constructed were further validated using an external validation set (n = 18 PCa and n = 18 controls) to evaluate sensitivity, specificity and accuracy of the urinary volatile profile to discriminate PCa from controls. The VOCs model disclosed 78% sensitivity, 94% specificity and 86% accuracy, whereas the VCCs model achieved the same sensitivity, a specificity of 100% and an accuracy of 89%. Our findings unveil a panel of 6 volatile compounds significantly altered in PCa patients' urine samples that was able to identify PCa, with a sensitivity of 89%, specificity of 83%, and accuracy of 86%. CONCLUSIONS It is disclosed a biomarker panel with potential to be used as a non-invasive diagnostic tool for PCa.
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Affiliation(s)
- Ana Rita Lima
- UCIBIO/REQUIMTE, Department of Biological Sciences, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, Porto, Portugal.
| | - Joana Pinto
- UCIBIO/REQUIMTE, Department of Biological Sciences, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Ana Isabel Azevedo
- UCIBIO/REQUIMTE, Department of Biological Sciences, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Daniela Barros-Silva
- Cancer Biology & Epigenetics Group, Research Center (CI-IPOP) Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
| | - Carmen Jerónimo
- Cancer Biology & Epigenetics Group, Research Center (CI-IPOP) Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
- Department of Pathology and Molecular Immunology-Biomedical Sciences Institute (ICBAS), University of Porto, Porto, Portugal
| | - Rui Henrique
- Cancer Biology & Epigenetics Group, Research Center (CI-IPOP) Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
- Department of Pathology and Molecular Immunology-Biomedical Sciences Institute (ICBAS), University of Porto, Porto, Portugal
- Department of Pathology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal
| | - Maria de Lourdes Bastos
- UCIBIO/REQUIMTE, Department of Biological Sciences, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Paula Guedes de Pinho
- UCIBIO/REQUIMTE, Department of Biological Sciences, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, Porto, Portugal.
| | - Márcia Carvalho
- UCIBIO/REQUIMTE, Department of Biological Sciences, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, Porto, Portugal.
- UFP Energy, Environment and Health Research Unit (FP-ENAS), University Fernando Pessoa, Porto, Portugal.
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89
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Semerád J, Moeder M, Filip J, Pivokonský M, Filipová A, Cajthaml T. Oxidative stress in microbes after exposure to iron nanoparticles: analysis of aldehydes as oxidative damage products of lipids and proteins. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:33670-33682. [PMID: 31591687 DOI: 10.1007/s11356-019-06370-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 08/29/2019] [Indexed: 06/10/2023]
Abstract
Due to their enhanced reactivity, metal and metal-oxide nanoscale zero-valent iron (nZVI) nanomaterials have been introduced into remediation practice. To ensure that environmental applications of nanomaterials are safe, their possible toxic effects should be described. However, there is still a lack of suitable toxicity tests that address the specific mode of action of nanoparticles, especially for nZVI. This contribution presents a novel approach for monitoring one of the most discussed adverse effects of nanoparticles, i.e., oxidative stress (OS). We optimized and developed an assay based on headspace-SPME-GC-MS analysis that enables the direct determination of volatile oxidative damage products (aldehydes) of lipids and proteins in microbial cultures after exposure to commercial types of nZVI. The method employs PDMS/DVB SPME fibers and pentafluorobenzyl derivatization, and the protocol was successfully tested using representatives of bacteria, fungi, and algae. Six aldehydes, namely, formaldehyde, acrolein, methional, benzaldehyde, glyoxal, and methylglyoxal, were detected in the cultures, and all of them exhibited dose-dependent sigmoidal responses. The presence of methional, which was detected in all cultures except those including an algal strain, documents that nZVI also caused oxidative damage to proteins in addition to lipids. The most sensitive toward nZVI exposure in terms of aldehyde production was the yeast strain Saccharomyces cerevisiae, which had an EC50 value of 0.08 g/L nZVI. To the best of our knowledge, this paper is the first to document the production of aldehydes resulting from lipids and proteins as a result of OS in microorganisms from different kingdoms after exposure to iron nanoparticles.
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Affiliation(s)
- Jaroslav Semerád
- Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ-142 20, Prague 4, Czech Republic
- Institute for Environmental Studies, Faculty of Science, Charles University, Benátská 2, CZ-128 01, Prague 2, Czech Republic
| | - Monika Moeder
- Department of Analytical Chemistry, Helmholtz-Center for Environmental Research - UFZ, Permoserstr. 15, 04318, Leipzig, Germany
| | - Jan Filip
- Regional Centre of Advanced Technologies and Materials, Palacký University, Šlechtitelů 27, CZ-783 71, Olomouc, Czech Republic
| | - Martin Pivokonský
- Institute of Hydrodynamics of the Czech Academy of Sciences, Pod Patankou 30/5, CZ-166 12, Prague 6, Czech Republic
| | - Alena Filipová
- Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ-142 20, Prague 4, Czech Republic
- Institute for Environmental Studies, Faculty of Science, Charles University, Benátská 2, CZ-128 01, Prague 2, Czech Republic
| | - Tomáš Cajthaml
- Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ-142 20, Prague 4, Czech Republic.
- Institute for Environmental Studies, Faculty of Science, Charles University, Benátská 2, CZ-128 01, Prague 2, Czech Republic.
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90
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Hoogenboom WS, Boonen RACM, Knipscheer P. The role of SLX4 and its associated nucleases in DNA interstrand crosslink repair. Nucleic Acids Res 2019; 47:2377-2388. [PMID: 30576517 PMCID: PMC6411836 DOI: 10.1093/nar/gky1276] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 12/11/2018] [Accepted: 12/13/2018] [Indexed: 12/11/2022] Open
Abstract
A key step in the Fanconi anemia pathway of DNA interstrand crosslink (ICL) repair is the ICL unhooking by dual endonucleolytic incisions. SLX4/FANCP is a large scaffold protein that plays a central role in ICL unhooking. It contains multiple domains that interact with many proteins including three different endonucleases and also acts in several other DNA repair pathways. While it is known that its interaction with the endonuclease XPF-ERCC1 is required for its function in ICL repair, which other domains act in this process is unclear. Here, we used Xenopus egg extracts to determine ICL repair specific features of SLX4. We show that the SLX4-interacting endonuclease SLX1 is not required for ICL repair and demonstrate that all essential SLX4 domains are located at the N-terminal half of the protein. The MLR domain is crucial for the recruitment of XPF-ERCC1 but also has an unanticipated function in recruiting SLX4 to the site of damage. Although we find the BTB is not essential for ICL repair in our system, dimerization of SLX4 could be important. Our data provide new insights into the mechanism by which SLX4 acts in ICL repair.
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Affiliation(s)
- Wouter S Hoogenboom
- Oncode Institute, Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands
| | - Rick A C M Boonen
- Oncode Institute, Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands
| | - Puck Knipscheer
- Oncode Institute, Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands
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91
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Wu G, Chang C, Hong C, Zhang H, Huang J, Jin Q, Wang X. Phenolic compounds as stabilizers of oils and antioxidative mechanisms under frying conditions: A comprehensive review. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.07.043] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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92
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Samson JM, Ravindran Menon D, Smith DE, Baird E, Kitano T, Gao D, Tan AC, Fujita M. Clinical implications of ALDH1A1 and ALDH1A3 mRNA expression in melanoma subtypes. Chem Biol Interact 2019; 314:108822. [PMID: 31580832 DOI: 10.1016/j.cbi.2019.108822] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 08/23/2019] [Accepted: 09/12/2019] [Indexed: 12/15/2022]
Abstract
Aldehyde dehydrogenase (ALDH) activity is not only a valuable marker for cancer cells with stem-like features, but also plays a vital role in drug resistance and disease progression in many tumors including melanoma. However, the precise role of ALDH activity in patient prognosis remains unclear. In this study, using the Cancer Genome Atlas (TCGA) RNA-sequencing expression data, we analyzed gene expression of ALDH isozymes in melanoma tumors to define the expression patterns and the prognostic and predictive values of these enzymes. We found that ALDH1A1 and ALDH1A3 had both higher and broader expression ranges in melanoma patients, and that ALDH1A3 expression correlated with better overall survival in metastatic melanoma. Further, stratification of the TCGA cohorts by the mutational subtypes of melanoma specifically revealed that expression of ALDH1A3 correlated with better prognosis in metastatic BRAF-mutant melanoma while expression of ALDH1A1 correlated with better prognosis in BRAF wild-type melanoma. Gene set enrichment analysis (GSEA) of these cohorts identified upregulation in oxidative phosphorylation, adipogenesis, and fatty acid metabolism signaling in ALDH1Alo patients, suggesting BRAF/MEK inhibitor resistance in that subset of patients. On the other hand, GSEA of ALDH1A3hi cohorts revealed upregulation in glycolysis, hypoxia and angiogenesis, suggesting BRAF/MEK inhibitor sensitivity in that subset of patients. Gene expression analysis using pre-treatment tumor samples supports high ALDH1A3 expression before BRAF/MEK inhibitor treatment as predictive of better treatment response in BRAF-mutant melanoma patients. Our study provides evidence that high ALDH1A3 mRNA expression is not only a prognostic marker but also a predictive marker for BRAF/MEK inhibitor treatment response in BRAF-mutant metastatic melanoma patients.
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Affiliation(s)
- Jenny Mae Samson
- Department of Dermatology, University of Colorado Denver, Aurora, CO, 80045, United States
| | - Dinoop Ravindran Menon
- Department of Dermatology, University of Colorado Denver, Aurora, CO, 80045, United States
| | - Derek E Smith
- Department of Biostatistics & Informatics, University of Colorado Denver, Aurora, CO 80045, United States
| | - Erika Baird
- Department of Dermatology, University of Colorado Denver, Aurora, CO, 80045, United States
| | - Takayuki Kitano
- Department of Dermatology, University of Colorado Denver, Aurora, CO, 80045, United States; School of Medicine, University of the Ryukyus, Nishihara, Okinawa, 903-0215, Japan
| | - Dexiang Gao
- Department of Biostatistics & Informatics, University of Colorado Denver, Aurora, CO 80045, United States
| | - Aik-Choon Tan
- Division of Medical Oncology, Department of Medicine, University of Colorado Denver, Aurora, CO, 80045, United States.
| | - Mayumi Fujita
- Department of Dermatology, University of Colorado Denver, Aurora, CO, 80045, United States; Denver VA Medical Center, Denver, CO, 80220, United States; Department of Immunology & Microbiology, University of Colorado Denver, Aurora, CO, 80045, United States.
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93
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Kompella P, Vasquez KM. Obesity and cancer: A mechanistic overview of metabolic changes in obesity that impact genetic instability. Mol Carcinog 2019; 58:1531-1550. [PMID: 31168912 PMCID: PMC6692207 DOI: 10.1002/mc.23048] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 05/08/2019] [Accepted: 05/10/2019] [Indexed: 12/16/2022]
Abstract
Obesity, defined as a state of positive energy balance with a body mass index exceeding 30 kg/m2 in adults and 95th percentile in children, is an increasing global concern. Approximately one-third of the world's population is overweight or obese, and in the United States alone, obesity affects one in six children. Meta-analysis studies suggest that obesity increases the likelihood of developing several types of cancer, and with poorer outcomes, especially in children. The contribution of obesity to cancer risk requires a better understanding of the association between obesity-induced metabolic changes and its impact on genomic instability, which is a major driving force of tumorigenesis. In this review, we discuss how molecular changes during adipose tissue dysregulation can result in oxidative stress and subsequent DNA damage. This represents one of the many critical steps connecting obesity and cancer since oxidative DNA lesions can result in cancer-associated genetic instability. In addition, the by-products of the oxidative degradation of lipids (e.g., malondialdehyde, 4-hydroxynonenal, and acrolein), and gut microbiota-mediated secondary bile acid metabolites (e.g., deoxycholic acid and lithocholic acid), can function as genotoxic agents and tumor promoters. We also discuss how obesity can impact DNA repair efficiency, potentially contributing to cancer initiation and progression. Finally, we outline obesity-related epigenetic changes and identify the gaps in knowledge to be addressed for the development of better therapeutic strategies for the prevention and treatment of obesity-related cancers.
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Affiliation(s)
- Pallavi Kompella
- Division of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Dell Pediatric Research Institute, 1400 Barbara Jordan Boulevard, Austin, TX 78723, USA
| | - Karen M. Vasquez
- Division of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Dell Pediatric Research Institute, 1400 Barbara Jordan Boulevard, Austin, TX 78723, USA
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94
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Wei Y, Wang M, Liu H, Niu Y, Wang S, Zhang F, Liu H. Simultaneous determination of seven endogenous aldehydes in human blood by headspace gas chromatography–mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1118-1119:85-92. [DOI: 10.1016/j.jchromb.2019.04.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 04/09/2019] [Accepted: 04/11/2019] [Indexed: 01/12/2023]
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95
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Li K, Guo W, Li Z, Wang Y, Sun B, Xu D, Ling J, Song H, Liao Y, Wang T, Jing B, Hu M, Kuang Y, Wang Q, Yao F, Sun A, Zhu L, Wang L, Deng J. ALDH2 Repression Promotes Lung Tumor Progression via Accumulated Acetaldehyde and DNA Damage. Neoplasia 2019; 21:602-614. [PMID: 31071657 PMCID: PMC6506700 DOI: 10.1016/j.neo.2019.03.008] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 03/14/2019] [Accepted: 03/15/2019] [Indexed: 12/12/2022]
Abstract
The major role of aldehyde dehydrogenase 2 family (ALDH2) is to detoxify acetaldehyde (ACE) to non-toxic acetic acid. Many evidences suggest that ALDH2 dysfunction contributes to a variety of human diseases including cancer. However, the biological function and molecular mechanism of ALDH2 in tumor progression remain elusive. In this study, we found that ALDH2 repression was associated with poor prognosis in lung adenocarcinoma. Overexpression of ALDH2 inhibited malignant features of lung adenocarcinoma cells, such as proliferation, stemness and migration, whereas ALDH2 knockdown increased these features. Mechanistically, ALDH2 repression led to accumulation of ACE; whereas ACE enhanced the migration features of lung adenocarcinoma cells, which was associated with increased DNA damage. Importantly, accumulated ACE and increased DNA damage were identified in Aldh2-knockout (KO) mouse lung tissues in vivo. Consistent with this concept, treatment of lung adenocarcinoma cells with ALDH2 agonist Alda-1 suppressed the proliferation, stemness and migration features of lung adenocarcinoma cells. Thus, activating ALDH2, such as via its agonist, may provide a novel strategy for treatment of lung cancer.
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Key Words
- aldh2, aldehyde dehydrogenase 2
- ros, reactive oxygen species
- nc membranes, nitrocellulose membranes
- hrp, horseradish peroxidase
- hek293t, human embryonic kidney cells
- ihc, immunohistochemistry
- atcc, american type culture collection
- 16hbe, human bronchial epithelial cells
- ko, knockout
- fbs, fetal bovine serum
- gepia, gene expression profiling interactive analysis
- luad, lung adenocarcinoma
- lusc, lung squamous cel l carcinoma
- tcga, the cancer genome atlas
- thpa, the human protein atlas
- ace, acetaldehyde
- wt, wild-type
- ucsc xena dataset, university of california santa cruz xena dataset
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Affiliation(s)
- Kaimi Li
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenzheng Guo
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhanming Li
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai 201199, China
| | - Yang Wang
- Department of Pharmacology and Chemical Biology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Beibei Sun
- Translational Medical Research Center, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Dongliang Xu
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Ling
- Department of Pharmacology and Chemical Biology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongyong Song
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yueling Liao
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tong Wang
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bo Jing
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Min Hu
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yanbin Kuang
- Department of Respiratory Medicine, The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Qi Wang
- Department of Respiratory Medicine, The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Feng Yao
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Aijun Sun
- Institute of Biomedical Sciences, Fudan University, Shanghai, China
| | - Liang Zhu
- Department of Pharmacology and Chemical Biology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lishun Wang
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai 201199, China.
| | - Jiong Deng
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Department of Oncology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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96
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Wang H, Li Q, Zhang Z, Zhou C, Ayepa E, Abrha GT, Han X, Hu X, Yu X, Xiang Q, Li X, Gu Y, Zhao K, Xie C, Chen Q, Ma M. YKL107W from Saccharomyces cerevisiae encodes a novel aldehyde reductase for detoxification of acetaldehyde, glycolaldehyde, and furfural. Appl Microbiol Biotechnol 2019; 103:5699-5713. [DOI: 10.1007/s00253-019-09885-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 04/24/2019] [Accepted: 04/29/2019] [Indexed: 02/05/2023]
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97
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Ahmed Laskar A, Younus H. Aldehyde toxicity and metabolism: the role of aldehyde dehydrogenases in detoxification, drug resistance and carcinogenesis. Drug Metab Rev 2019; 51:42-64. [DOI: 10.1080/03602532.2018.1555587] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Amaj Ahmed Laskar
- Enzymology Laboratory, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
| | - Hina Younus
- Enzymology Laboratory, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
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98
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Cai A, Bian K, Chen F, Tang Q, Carley R, Li D, Cho BP. Probing the Effect of Bulky Lesion-Induced Replication Fork Conformational Heterogeneity Using 4-Aminobiphenyl-Modified DNA. Molecules 2019; 24:molecules24081566. [PMID: 31009995 PMCID: PMC6514942 DOI: 10.3390/molecules24081566] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 04/14/2019] [Accepted: 04/17/2019] [Indexed: 11/16/2022] Open
Abstract
Bulky organic carcinogens are activated in vivo and subsequently react with nucleobases of cellular DNA to produce adducts. Some of these DNA adducts exist in multiple conformations that are slowly interconverted to one another. Different conformations have been implicated in different mutagenic and repair outcomes. However, studies on the conformation-specific inhibition of replication, which is more relevant to cell survival, are scarce, presumably due to the structural dynamics of DNA lesions at the replication fork. It is difficult to capture the exact nature of replication inhibition by existing end-point assays, which usually detect either the ensemble of consequences of all the conformers or the culmination of all cellular behaviors, such as mutagenicity or survival rate. We previously reported very unusual sequence-dependent conformational heterogeneities involving FABP-modified DNA under different sequence contexts (TG1*G2T [67%B:33%S] and TG1G2*T [100%B], G*, N-(2′-deoxyguanosin-8-yl)-4′-fluoro-4-aminobiphenyl) (Cai et al. Nucleic Acids Research, 46, 6356–6370 (2018)). In the present study, we attempted to correlate the in vitro inhibition of polymerase activity to different conformations from a single FABP-modified DNA lesion. We utilized a combination of surface plasmon resonance (SPR) and HPLC-based steady-state kinetics to reveal the differences in terms of binding affinity and inhibition with polymerase between these two conformers (67%B:33%S and 100%B).
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Affiliation(s)
- Ang Cai
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Kingston, RI 02881, USA.
| | - Ke Bian
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Kingston, RI 02881, USA.
| | - Fangyi Chen
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Kingston, RI 02881, USA.
| | - Qi Tang
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Kingston, RI 02881, USA.
| | - Rachel Carley
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Kingston, RI 02881, USA.
| | - Deyu Li
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Kingston, RI 02881, USA.
| | - Bongsup P Cho
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Kingston, RI 02881, USA.
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99
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Autophagy in Crotonaldehyde-Induced Endothelial Toxicity. Molecules 2019; 24:molecules24061137. [PMID: 30901980 PMCID: PMC6471975 DOI: 10.3390/molecules24061137] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 03/18/2019] [Accepted: 03/20/2019] [Indexed: 11/16/2022] Open
Abstract
Crotonaldehyde is an extremely toxic α,β-unsaturated aldehyde found in cigarette smoke, and it causes inflammation and vascular dysfunction. Autophagy has been reported to play a key role in the pathogenesis of vascular diseases. However, the precise mechanism underlying the role of acute exposure crotonaldehyde in vascular disease development remains unclear. In the present study, we aimed to investigate the effect of crotonaldehyde-induced autophagy in endothelial cells. Acute exposure to crotonaldehyde decreased cell viability and induced autophagy followed by cell death. In addition, inhibiting the autophagic flux markedly promoted the viability of endothelial cells exposed to high concentrations of crotonaldehyde. Crotonaldehyde activated the AMP-activated protein kinase (AMPK) and p38 mitogen-activated protein kinase (MAPK) pathways, and pretreatment with inhibitors specific to these kinases showed autophagy inhibition and partial improvement in cell viability. These data show that acute exposure to high concentrations of crotonaldehyde induces autophagy-mediated cell death. These results might be helpful to elucidate the mechanisms underlying crotonaldehyde toxicity in the vascular system and contribute to environmental risk assessment.
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100
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Sakai W, Sugasawa K. Importance of finding the bona fide target of the Fanconi anemia pathway. Genes Environ 2019; 41:6. [PMID: 30873250 PMCID: PMC6402094 DOI: 10.1186/s41021-019-0122-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 02/14/2019] [Indexed: 01/28/2023] Open
Abstract
Fanconi anemia (FA) is a rare genetic disease characterized by the deficiency of the cellular response and repair pathway for DNA interstrand crosslink (ICL) damage. Although recent studies have revealed the detailed molecular functions of FA proteins encoded by 22 genes, the mechanism of occurrence of endogenous ICLs in the human body remains poorly understood. In this short review, we summarize the potential endogenous sources of ICLs counteracted by FA proteins, and provide perspectives on the unanswered questions regarding FA.
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Affiliation(s)
- Wataru Sakai
- Biosignal Research Center, and Graduate School of Science, Kobe University, 1-1 Rokkodai, Nada, Kobe, Hyogo 657-8501 Japan
| | - Kaoru Sugasawa
- Biosignal Research Center, and Graduate School of Science, Kobe University, 1-1 Rokkodai, Nada, Kobe, Hyogo 657-8501 Japan
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