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Oh YJ, Yon DK, Choi YS, Lee J, Yeo JH, Kim SS, Lee JM, Yeo SG. Induction of Nitric Oxide and Its Role in Facial Nerve Regeneration According to the Method of Facial Nerve Injury. Antioxidants (Basel) 2024; 13:741. [PMID: 38929179 PMCID: PMC11200877 DOI: 10.3390/antiox13060741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 06/03/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
Nitric oxide (NO) is an important molecule in cell communication that also plays an important role in many biological processes. Given the dual role of NO in nerve degeneration and regeneration after facial nerve injury, we sought to delve deeper into its role through a systematic literature review. A comprehensive review of the literature employing SCOPUS, PubMed, Cochrane Library, EMBASE, and Google Scholar databases was conducted to evaluate the induction and role of NO in neurodegeneration and regeneration after facial nerve injury. From the 20 papers ultimately reviewed, the central findings were that neuronal nitric oxide synthase(nNOS), endothelial nitric oxide synthase (eNOS), and induced nitric oxide synthase (iNOS) increased or decreased depending on the method of facial nerve damage, damaged area, harvested area, and animal age, and were correlated with degeneration and regeneration of the facial nerve. Research conducted on rats and mice demonstrated that NO, nNOS, eNOS, and iNOS play significant roles in nerve regeneration and degeneration. However, the relationship between nerve damage and NO could not be defined by a simple causal relationship. Instead, the involvement of NOS depends on the type of nerve cell, source of NO, timing, and location of expression, age of the target animal, and proximity of the damage location to the brainstem. Consequently, nNOS, eNOS, and iNOS expression levels and functions may vary significantly.
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Affiliation(s)
- Yeon Ju Oh
- Department of Medicine, College of Medicine, Kyung Hee University Medical Center, Seoul 02447, Republic of Korea;
| | - Dong Keon Yon
- Center for Digital Health, Medical Science Research Institute, Kyung Hee University School of Medicine, Kyung Hee University Medical Center, Seoul 02447, Republic of Korea;
- Department of Pediatrics, Kyung Hee University School of Medicine, Kyung Hee University Medical Center, Seoul 02447, Republic of Korea;
| | - Yong Sung Choi
- Department of Pediatrics, Kyung Hee University School of Medicine, Kyung Hee University Medical Center, Seoul 02447, Republic of Korea;
| | - Jinseok Lee
- Department of Biomedical Engineering, Kyung Hee University, Seoul 02447, Republic of Korea;
| | - Joon Hyung Yeo
- Public Health Center, Danyang-gun 27010, Republic of Korea;
| | - Sung Soo Kim
- Department of Biochemistry and Molecular Biology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea;
| | - Jae Min Lee
- Department of Otorhinolaryngology Head & Neck Surgery, Kyung Hee University School of Medicine, Kyung Hee University Medical Center, Seoul 02447, Republic of Korea;
| | - Seung Geun Yeo
- Department of Otorhinolaryngology Head & Neck Surgery, Kyung Hee University School of Medicine, Kyung Hee University Medical Center, Seoul 02447, Republic of Korea;
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Hu P, Henry J, Tiesman JP, Parlov M, Bacon R, Charbonneau D, Venkataraman A, Locker KCS, Krigbaum H, Schwartz J. Scalp microbiome composition changes and pathway evaluations due to effective treatment with Piroctone Olamine shampoo. Int J Cosmet Sci 2024; 46:333-347. [PMID: 38196163 DOI: 10.1111/ics.12933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/30/2023] [Accepted: 11/14/2023] [Indexed: 01/11/2024]
Abstract
OBJECTIVE To characterize the scalp microbial composition, function, and connection to dandruff severity using a metagenomics approach and to understand the impact of a Piroctone Olamine containing anti-dandruff shampoo on the scalp microbiome. METHODS Shotgun metagenomics was used to characterize the composition of the scalp microbiomes from 94 subjects with and without clinically defined dandruff. Furthermore, the microbiome of the scalps of 100 dandruff sufferers before and after 3 weeks of treatment with either control or anti-dandruff shampoo containing 0.5% Piroctone Olamine (PO) was characterized and compared to identify microorganisms associated with the dandruff condition and the associated pathways and processes that may contribute to PO's effect on scalp microbiome. RESULTS A higher relative abundance of Malassezia restricta and Staphylococcus capitis and a lower abundance of Cutibacterium acnes were associated with the dandruff scalps relative to the no-dandruff scalps. A 3-week PO shampoo treatment reduced the relative abundance of Malassezia species and Staphylococcus capitis and increased the relative abundance of Cutibacterium acnes. This change to the scalp microbiome composition is consistent with a return to a healthy no-dandruff microbiome and improved clinical signs and symptoms as measured by adherent scalp flaking score (ASFS) compared with the control shampoo. Functional genomics analysis showed that the PO shampoo treatment reduced oxidative stress-associated genes and decreased the abundance of protease, urease, and lipase genes. These changes correlated positively to improvements in dandruff severity. PO treatment favourably shifted scalp microbiomes in dandruff subjects toward the no-dandruff state. CONCLUSION Our results suggest that part of the aetiology of dandruff can be attributed to dysbiosis of the scalp microbiome. PO treatment can restore a healthier microbiome, reducing oxidative stress and promoting better scalp health.
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Affiliation(s)
- Ping Hu
- The Procter & Gamble Company, Mason, Ohio, USA
| | - Jim Henry
- The Procter & Gamble Company, Mason, Ohio, USA
| | | | | | - Rob Bacon
- The Procter & Gamble Company, Mason, Ohio, USA
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Hahn V, Zühlke D, Winter H, Landskron A, Bernhardt J, Sievers S, Schmidt M, von Woedtke T, Riedel K, Kolb JF. Proteomic profiling of antibiotic-resistant Escherichia coli GW-AmxH19 isolated from hospital wastewater treated with physical plasma. Proteomics 2024:e2300494. [PMID: 38644344 DOI: 10.1002/pmic.202300494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 03/29/2024] [Accepted: 04/04/2024] [Indexed: 04/23/2024]
Abstract
Microorganisms which are resistant to antibiotics are a global threat to the health of humans and animals. Wastewater treatment plants are known hotspots for the dissemination of antibiotic resistances. Therefore, novel methods for the inactivation of pathogens, and in particular antibiotic-resistant microorganisms (ARM), are of increasing interest. An especially promising method could be a water treatment by physical plasma which provides charged particles, electric fields, UV-radiation, and reactive species. The latter are foremost responsible for the antimicrobial properties of plasma. Thus, with plasma it might be possible to reduce the amount of ARM and to establish this technology as additional treatment stage for wastewater remediation. However, the impact of plasma on microorganisms beyond a mere inactivation was analyzed in more detail by a proteomic approach. Therefore, Escherichia coli GW-AmxH19, isolated from hospital wastewater in Germany, was used. The bacterial solution was treated by a plasma discharge ignited between each of four pins and the liquid surface. The growth of E. coli and the pH-value decreased during plasma treatment in comparison with the untreated control. Proteome and antibiotic resistance profile were analyzed. Concentrations of nitrite and nitrate were determined as long-lived indicative products of a transient chemistry associated with reactive nitrogen species (RNS). Conversely, hydrogen peroxide served as indicator for reactive oxygen species (ROS). Proteome analyses revealed an oxidative stress response as a result of plasma-generated RNS and ROS as well as a pH-balancing reaction as key responses to plasma treatment. Both, the generation of reactive species and a decreased pH-value is characteristic for plasma-treated solutions. The plasma-mediated changes of the proteome are discussed also in comparison with the Gram-positive bacterium Bacillus subtilis. Furthermore, no effect of the plasma treatment, on the antibiotic resistance of E. coli, was determined under the chosen conditions. The knowledge about the physiological changes of ARM in response to plasma is of fundamental interest to understand the molecular basis for the inactivation. This will be important for the further development and implementation of plasma in wastewater remediation.
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Affiliation(s)
- Veronika Hahn
- Leibniz Institute for Plasma Science and Technology (INP), Greifswald, Germany
| | - Daniela Zühlke
- Institute of Marine Biotechnology, Greifswald, Germany
- Department of Microbial Physiology and Molecular Biology, Institute of Microbiology, University of Greifswald, Greifswald, Germany
| | - Hauke Winter
- Leibniz Institute for Plasma Science and Technology (INP), Greifswald, Germany
- Department of Microbial Physiology and Molecular Biology, Institute of Microbiology, University of Greifswald, Greifswald, Germany
| | - Annchristin Landskron
- Leibniz Institute for Plasma Science and Technology (INP), Greifswald, Germany
- Department of Microbial Physiology and Molecular Biology, Institute of Microbiology, University of Greifswald, Greifswald, Germany
| | - Jörg Bernhardt
- Department of Microbial Physiology and Molecular Biology, Institute of Microbiology, University of Greifswald, Greifswald, Germany
| | - Susanne Sievers
- Department of Microbial Physiology and Molecular Biology, Institute of Microbiology, University of Greifswald, Greifswald, Germany
| | - Michael Schmidt
- Leibniz Institute for Plasma Science and Technology (INP), Greifswald, Germany
| | - Thomas von Woedtke
- Leibniz Institute for Plasma Science and Technology (INP), Greifswald, Germany
- Institute for Hygiene and Environmental Medicine, Greifswald University Medicine, Greifswald, Germany
| | - Katharina Riedel
- Institute of Marine Biotechnology, Greifswald, Germany
- Department of Microbial Physiology and Molecular Biology, Institute of Microbiology, University of Greifswald, Greifswald, Germany
| | - Juergen F Kolb
- Leibniz Institute for Plasma Science and Technology (INP), Greifswald, Germany
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Davari N, Nourmohammadi J, Mohammadi J. Nitric oxide-releasing thiolated starch nanoparticles embedded in gelatin sponges for wound dressing applications. Int J Biol Macromol 2024; 265:131062. [PMID: 38521307 DOI: 10.1016/j.ijbiomac.2024.131062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 03/03/2024] [Accepted: 03/20/2024] [Indexed: 03/25/2024]
Abstract
This study introduces a novel wound dressing by combining nitric oxide-releasing thiolated starch nanoparticles (NO-TS NPs) with gelatin. First, starch was thiolated (TS), and then its nanoparticles were prepared (TS NPs). Subsequently, NPs were covalently bonded to sodium nitrite to obtain NO-releasing TS NPs (NO-TS-NPs) that were incorporated into gelatin sponges at various concentrations. The resulting spherical TS NPs had a mean size of 85.42 ± 5.23 nm, which rose to 100.73 ± 7.41 nm after bonding with sodium nitrite. FTIR spectroscopy confirmed S-nitrosation on the NO-TS NPs' surface, and morphology analysis showed well-interconnected pores in all sponges. With higher NO-TS NPs content, pore size, porosity, and water uptake increased, while compressive modulus and strength decreased. Composites exhibited antibacterial activity, particularly against E. coli, with enhanced efficacy at higher NPs' concentrations. In vitro release studies demonstrated Fickian diffusion, with faster NO release in sponges containing more NPs. The released NO amounts were non-toxic to fibroblasts, but samples with fewer NO-TS NPs exhibited superior cellular density, cell attachment, and collagen secretion. Considering the results, including favorable mechanical strength, release behavior, antibacterial and cellular properties, gelatin sponges loaded with 2 mg/mL of NO-TS NPs can be suitable for wound dressing applications.
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Affiliation(s)
- Niyousha Davari
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 143951561, Iran
| | - Jhamak Nourmohammadi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 143951561, Iran.
| | - Javad Mohammadi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 143951561, Iran
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Wang L, Ge K, Duan J, Du X, Zhou G, Ma L, Gao S, Zhang J. A double-gain theranostic nanoplatform based on self-supplying H 2O 2 nanocomposites for synergistic chemodynamic/gas therapy. J Colloid Interface Sci 2024; 654:774-784. [PMID: 37866049 DOI: 10.1016/j.jcis.2023.10.092] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/24/2023]
Abstract
Chemodynamic therapy (CDT) based on hydroxyl radicals (•OH) to suppress tumor cells is a promising strategy due to its efficacy and safety. Nevertheless, in tumor cells, CDT still faces challenges such as insufficient •OH and weak killing effect of tumor cells under physiological conditions due to inadequate amounts of endogenous hydrogen peroxide (H2O2) and heightened glutathione expression. These challenges limit the therapeutic potential of CDT. To improve the effects of CDT, combination treatment strategies have been developed. Here, we report a rationally designed nanocomposite (CaO2@Cu-LA) with self-supplying H2O2 ability from calcium peroxide, and nitric oxide (NO) generation ability from l-arginine. NO molecules not only exhibit a strong killing effect, but also have the potential to transfer into the more cytotoxic substance peroxynitrite anion by reacting with reactive oxygen species. The results showed that CaO2@Cu-LA could significantly suppress tumor growth by increasing •OH radicals and NO molecules. Taken together, the strategy developed here provides a good application foreground to yield a remarkable synergistic antitumor effect of CDT and NO gas therapy.
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Affiliation(s)
- Li Wang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Material Science, Hebei University, Baoding 071002, China
| | - Kun Ge
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Material Science, Hebei University, Baoding 071002, China.
| | - Jiaqi Duan
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Material Science, Hebei University, Baoding 071002, China
| | - Xiaomeng Du
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Material Science, Hebei University, Baoding 071002, China
| | - Guoqiang Zhou
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Material Science, Hebei University, Baoding 071002, China; College of Basic Medical Science, Hebei University, Baoding 071000, China
| | - Lili Ma
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Material Science, Hebei University, Baoding 071002, China
| | - Shutao Gao
- College of Science, Hebei Agricultural University, Baoding 071002, China.
| | - Jinchao Zhang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Material Science, Hebei University, Baoding 071002, China.
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Ali R, Sen S, Hameed R, Nazir A, Verma S. Strategies for gaseous neuromodulator release in chemical neuroscience: Experimental approaches and translational validation. J Control Release 2024; 365:132-160. [PMID: 37972768 DOI: 10.1016/j.jconrel.2023.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/03/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
Gasotransmitters are a group of short-lived gaseous signaling molecules displaying diverse biological functions depending upon their localized concentration. Nitric oxide (NO), hydrogen sulfide (H2S), and carbon monoxide (CO) are three important examples of endogenously produced gasotransmitters that play a crucial role in human neurophysiology and pathogenesis. Alterations in their optimal physiological concentrations can lead to various severe pathophysiological consequences, including neurological disorders. Exogenous administration of gasotransmitters has emerged as a prominent therapeutic approach for treating such neurological diseases. However, their gaseous nature and short half-life limit their therapeutic delivery. Therefore, developing synthetic gasotransmitter-releasing strategies having control over the release and duration of these gaseous molecules has become imperative. However, the complex chemistry of synthesis and the challenges of specific quantified delivery of these gases, make their therapeutic application a challenging task. This review article provides a focused overview of emerging strategies for delivering gasotransmitters in a controlled and sustained manner to re-establish neurophysiological homeostasis.
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Affiliation(s)
- Rafat Ali
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India
| | - Shantanu Sen
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India
| | - Rohil Hameed
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, Lucknow 226031, UP, India
| | - Aamir Nazir
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, Lucknow 226031, UP, India.
| | - Sandeep Verma
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India; Center for Nanoscience, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India; Mehta Family Center for Engineering in Medicine, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India.
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Werner CM, Willing LB, Goudsward HJ, McBride AR, Stella SL, Holmes GM. Plasticity of colonic enteric nervous system following spinal cord injury in male and female rats. Neurogastroenterol Motil 2023; 35:e14646. [PMID: 37480186 DOI: 10.1111/nmo.14646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/30/2023] [Accepted: 06/27/2023] [Indexed: 07/23/2023]
Abstract
BACKGROUND Neurogenic bowel is a dysmotility disorder following spinal cord injury (SCI) that negatively impacts quality of life, social integration, and physical health. Colonic transit is directly modulated by the enteric nervous system. Interstitial Cells of Cajal (ICC) distributed throughout the small intestine and colon serve as specialized pacemaker cells, generating rhythmic electrical slow waves within intestinal smooth muscle, or serve as an interface between smooth muscle cells and enteric motor neurons of the myenteric plexus. Interstitial Cells of Cajal loss has been reported for other preclinical models of dysmotility, and our previous experimental SCI study provided evidence of reduced excitatory and inhibitory enteric neuronal count and smooth muscle neural control. METHODS Immunohistochemistry for the ICC-specific marker c-Kit was utilized to examine neuromuscular remodeling of the distal colon in male and female rats with experimental SCI. KEY RESULTS Myenteric plexus ICC (ICC-MP) exhibited increased cell counts 3 days following SCI in male rats, but did not significantly increase in females until 3 weeks after SCI. On average, ICC-MP total primary arborization length increased significantly in male rats at 3-day, 3-week, and 6-week time points, whereas in females, this increase occurred most frequently at 6 weeks post-SCI. Conversely, circular muscle ICC (ICC-CM) did not demonstrate post-SCI changes. CONCLUSIONS AND INFERENCES These data demonstrate resiliency of the ICC-MP in neurogenic bowel following SCI, unlike seen in other related disease states. This plasticity underscores the need to further understand neuromuscular changes driving colonic dysmotility after SCI in order to advance therapeutic targets for neurogenic bowel treatment.
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Affiliation(s)
- Claire M Werner
- Department of Neural and Behavioral Sciences, Penn State University College of Medicine, Hershey, Pennsylvania, USA
| | - Lisa B Willing
- Department of Neural and Behavioral Sciences, Penn State University College of Medicine, Hershey, Pennsylvania, USA
| | - Hannah J Goudsward
- Department of Neural and Behavioral Sciences, Penn State University College of Medicine, Hershey, Pennsylvania, USA
| | - Amanda R McBride
- Department of Neural and Behavioral Sciences, Penn State University College of Medicine, Hershey, Pennsylvania, USA
| | - Salvatore L Stella
- Department of Neural and Behavioral Sciences, Penn State University College of Medicine, Hershey, Pennsylvania, USA
| | - Gregory M Holmes
- Department of Neural and Behavioral Sciences, Penn State University College of Medicine, Hershey, Pennsylvania, USA
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Brandwein JN, Sculthorpe TS, Ridder MJ, Bose JL, Rice KC. Factors impacting the regulation of nos gene expression in Staphylococcus aureus. Microbiol Spectr 2023; 11:e0168823. [PMID: 37747881 PMCID: PMC10580903 DOI: 10.1128/spectrum.01688-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 07/29/2023] [Indexed: 09/27/2023] Open
Abstract
Staphylococcus aureus nitric oxide synthase (saNOS) contributes to oxidative stress resistance, antibiotic tolerance, virulence, and modulation of aerobic and nitrate-based cellular respiration. Despite its involvement in these essential processes, the genetic regulation of nos expression has not been well characterized. 5' rapid amplification of cDNA ends on nos RNA isolated from S. aureus UAMS-1 (USA200 strain) and AH1263 (USA300 strain) revealed that the nos transcriptional start site mapped to an adenine nucleotide in the predicted Shine-Dalgarno site located 11 bp upstream of the nos ATG start codon, suggesting that the nos transcript may have a leaderless organization or may be subject to processing. The SrrAB two-component system (TCS) was previously identified as a positive regulator of nos RNA levels, and experiments using a β-galactosidase reporter plasmid confirmed that SrrAB is a positive regulator of nos promoter activity. In addition, the quorum-sensing system Agr was identified as a negative regulator of low-oxygen nos expression in UAMS-1, with activity epistatic to SrrAB. Involvement of Agr was strain dependent, as nos expression remained unchanged in an AH1263 agr mutant, which has higher Agr activity compared to UAMS-1. Furthermore, nos promoter activity and RNA levels were significantly stronger in AH1263 relative to UAMS-1 during late-exponential low-oxygen growth, when nos expression is maximal. Global regulators Rex and MgrA were also implicated as negative regulators of low-oxygen nos promoter activity in UAMS-1. Collectively, these results provide new insight into factors that control nos expression.IMPORTANCEBacterial nitric oxide synthase (bNOS) has recently emerged in several species as a key player in resistance to stresses commonly encountered during infection. Although Staphylococcus aureus (sa)NOS has been suggested to be a promising drug target in S. aureus, an obstacle to this in practice is the existence of mammalian NOS, whose oxygenase domain is like bacterial NOS. Increased understanding of the nos regulatory network in S. aureus could allow targeting of saNOS through its regulators, bypassing the issue of also inhibiting mammalian NOS. Furthermore, the observed strain-dependent differences in S. aureus nos regulation presented in this study reinforce the importance of studying bacterial NOS regulation and function at both the strain and species levels.
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Affiliation(s)
- Jessica N. Brandwein
- Department of Microbiology & Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, USA
| | - Tiffany S. Sculthorpe
- Department of Microbiology & Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, USA
| | - Miranda J. Ridder
- Department of Microbiology, Molecular Genetics and Immunology, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Jeffrey L. Bose
- Department of Microbiology, Molecular Genetics and Immunology, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Kelly C. Rice
- Department of Microbiology & Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, USA
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Viana AR, Bottari NB, Oviedo VR, Santos D, Londero JEL, Schetinger MRC, Flores EMM, Pigatto A, Schuch AP, Krause A, Krause LMF. Phytochemical and biological characterization of aqueous extract of Vassobia breviflora on proliferation and viability of melanoma cells: involvement of purinergic pathway. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2023; 86:632-652. [PMID: 37434435 DOI: 10.1080/15287394.2023.2233989] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
Vassobia breviflora belongs to the Solanaceae family, possessing biological activity against tumor cells and is a promising alternative for therapy. The aim of this investigation was to determine the phytochemical properties V. breviflora using ESI-ToF-MS. The cytotoxic effects of this extract were examined in B16-F10 melanoma cells and the relationship if any to purinergic signaling was involved. The antioxidant activity of total phenols, (2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid (ABTS) was analyzed, as well as production of reactive oxygen species (ROS) and nitric oxide (NO) was determined. Genotoxicity was assessed by DNA damage assay. Subsequently, the structural bioactive compounds were docked against purinoceptors P2X7 and P2Y1 receptors. The bioactive compounds found in V. breviflora were N-methyl-(2S,4 R)-trans-4-hydroxy-L-proline, calystegine B, 12-O-benzoyl- tenacigenin A and bungoside B. In vitro cytotoxicity was demonstrated at concentration ranges of 0.1-10 mg/ml, and plasmid DNA breaks only at the concentration of 10 mg/ml. V. breviflora extracts affected hydrolysis by ectoenzymes, such as ectonucleoside triphosphate diphosphohydrolase (E-NTPDase) and ectoadenosine deaminase (E-ADA) which control levels of degradation and formation of nucleosides and nucleotides. In the presence of substrates ATP, ADP, AMP and adenosine, the activities of E-NTPDase, 5´-NT or E-ADA were significantly modulated by V. breviflora. N-methyl-(2S,4 R)-trans-4-hydroxy-L-proline presented higher binding affinity (according to receptor-ligand complex estimated binding affinity as evidenced by ∆G values) to bind to both P2X7 and P2Y1purinergic receptors.Our results suggest a putative interaction of V. breviflora bioactive compounds with growth inhibitory potential in B16-F10 melanoma and suggest that may be considered as promising compounds in melanoma and cancer treatment.
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Affiliation(s)
- Altevir Rossato Viana
- Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, Brazil
| | | | | | - Daniel Santos
- Chemistry, Federal University of Santa Maria, Santa Maria, Brazil
| | | | | | | | - Aline Pigatto
- Postgraduate Program in Teaching Science and Mathematics, Franciscan University, Santa Maria, Brazil
| | - André Passaglia Schuch
- Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, Brazil
| | - Alexandre Krause
- Veterinary Medicine, Federal University of Santa Maria, Santa Maria, Brazil
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Bergmann S, Bohn MC, Dornbusch S, Becker SC, Stern M. Influence of RVFV Infection on Olfactory Perception and Behavior in Drosophila melanogaster. Pathogens 2023; 12:pathogens12040558. [PMID: 37111444 PMCID: PMC10142484 DOI: 10.3390/pathogens12040558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/31/2023] [Accepted: 04/03/2023] [Indexed: 04/08/2023] Open
Abstract
In blood-feeding dipterans, olfaction plays a role in finding hosts and, hence, in spreading pathogens. Several pathogens are known to alter olfactory responses and behavior in vectors. As a mosquito-borne pathogen, Rift Valley Fever Virus (RVFV) can affect humans and cause great losses in livestock. We test the influence of RVFV infection on sensory perception, olfactory choice behavior and activity on a non-biting insect, Drosophila melanogaster, using electroantennograms (EAG), Y-maze, and locomotor activity monitor. Flies were injected with RVFV MP12 strain. Replication of RVFV and its persistence for at least seven days was confirmed by quantitative reverse transcription-PCR (RT-qPCR). One day post injection, infected flies showed weaker EAG responses towards 1-hexanol, vinegar, and ethyl acetate. In the Y-maze, infected flies showed a significantly lower response for 1-hexanol compared to uninfected flies. At days six or seven post infection, no significant difference between infected and control flies could be found in EAG or Y-maze anymore. Activity of infected flies was reduced at both time points. We found an upregulation of the immune-response gene, nitric oxide synthase, in infected flies. An infection with RVFV is able to transiently reduce olfactory perception and attraction towards food-related odors in Drosophila, while effects on activity and immune effector gene expression persist. A similar effect in blood-feeding insects could affect vector competence in RVFV transmitting dipterans.
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Affiliation(s)
- Stella Bergmann
- Institute for Physiology and Cell Biology, University of Veterinary Medicine Hannover, 30173 Hannover, Germany
| | - Maja C. Bohn
- Institute for Physiology and Cell Biology, University of Veterinary Medicine Hannover, 30173 Hannover, Germany
| | - Susann Dornbusch
- Institute for Parasitology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Stefanie C. Becker
- Institute for Parasitology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Michael Stern
- Institute for Physiology and Cell Biology, University of Veterinary Medicine Hannover, 30173 Hannover, Germany
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Park HJ, Jang TW, Han SY, Oh SS, Lee JB, Myoung SM, Park JH. Anti‑inflammatory effects of Nypa fruticans Wurmb via NF‑κB and MAPK signaling pathways in macrophages. Exp Ther Med 2022; 24:755. [PMID: 36545046 PMCID: PMC9751521 DOI: 10.3892/etm.2022.11690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 10/20/2022] [Indexed: 11/11/2022] Open
Abstract
The inflammatory defense response of macrophages is a natural protective reaction in the immune system. Antioxidant and anti-inflammatory activities are closely related. In addition, the cell signaling pathway regulating inflammation is associated with MAPK and NF-κB signaling pathway phosphorylation. The present study aimed to evaluate whether the ethyl acetate fraction from N. fruticans (ENF) has a modulatory role in the MAPK signaling pathway and inhibition of the IκB/NF-κB signaling pathways, including translocation of NF-κB p65. Antioxidant and anti-inflammatory activities are closely related. In addition, the cell signaling pathway regulating inflammation is associated with MAPK and NF-κB signaling pathway phosphorylation. The results revealed that ENF exhibited antioxidant capacity, attenuated the cytokine levels and blocked nitric oxide production. ENF downregulated cyclooxygenase-2 and inducible nitric oxide synthase expression. We hypothesized that ENF treatment alleviated the various proinflammatory mediators via IκB phosphorylation and transcription of NF-κB compared with the untreated control. In conclusion, the present study demonstrated that the inhibitory effect of ENF treatment was attributed to the inhibition of MAPK and Akt/IκB/NF-κB signaling pathways.
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Affiliation(s)
- Hye Jeong Park
- Department of Medicinal Plant Science, Jungwon University, Goesan-gun, Chungcheongbuk-do 28024, Republic of Korea
| | - Tae Won Jang
- Department of Pharmaceutical Science, Jungwon University, Goesan-gun, Chungcheongbuk-do 28024, Republic of Korea
| | - So Yeon Han
- Department of Medicinal Plant Science, Jungwon University, Goesan-gun, Chungcheongbuk-do 28024, Republic of Korea
| | - Song Soo Oh
- Research Center, Kiposs Co., Ltd., Seoul 08584, Republic of Korea
| | - Jung Bok Lee
- Kyochon Research & Innovation Center, Kyochon F&B, Jincheon-gun, Chungcheongbuk-do 27850, Republic of Korea
| | - Sung Min Myoung
- Department of Public Health Administration, Jungwon University, Goesan-gun, Chungcheongbuk-do 28024, Republic of Korea
| | - Jae Ho Park
- Department of Pharmaceutical Science, Jungwon University, Goesan-gun, Chungcheongbuk-do 28024, Republic of Korea,Correspondence to: Professor Jae Ho Park, Department of Pharmaceutical Science, Jungwon University, 85 Munmu-ro, Goesan, Chungcheongbuk-do 28024, Republic of Korea
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12
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Enhancement of Nitric Oxide Bioavailability by Modulation of Cutaneous Nitric Oxide Stores. Biomedicines 2022; 10:biomedicines10092124. [PMID: 36140225 PMCID: PMC9496039 DOI: 10.3390/biomedicines10092124] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/22/2022] [Accepted: 08/26/2022] [Indexed: 11/17/2022] Open
Abstract
The generation of nitric oxide (NO) in the skin plays a critical role in wound healing and the response to several stimuli, such as UV exposure, heat, infection, and inflammation. Furthermore, in the human body, NO is involved in vascular homeostasis and the regulation of blood pressure. Physiologically, a family of enzymes termed nitric oxide synthases (NOS) generates NO. In addition, there are many methods of non-enzymatic/NOS-independent NO generation, e.g., the reduction of NO derivates (NODs) such as nitrite, nitrate, and nitrosylated proteins under certain conditions. The skin is the largest and heaviest human organ and contains a comparatively high concentration of these NODs; therefore, it represents a promising target for many therapeutic strategies for NO-dependent pathological conditions. In this review, we give an overview of how the cutaneous NOD stores can be targeted and modulated, leading to a further accumulation of NO-related compounds and/or the local and systemic release of bioactive NO, and eventually, NO-related physiological effects with a potential therapeutical use for diseases such as hypertension, disturbed microcirculation, impaired wound healing, and skin infections.
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13
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Gani M, Xodo LE, Rapozzi V. Bystander effect in photosensitized prostate cancer cells with a different grade of malignancy: The role of nitric oxide. Nitric Oxide 2022; 128:25-36. [PMID: 35970264 DOI: 10.1016/j.niox.2022.08.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 11/30/2022]
Abstract
Photodynamic therapy (PDT) is a therapeutic modality based on the simultaneous action of three elements: photosensitizer, light and oxygen. This triad generates singlet oxygen and reactive oxygen species that can reduce the mass of a tumor. PDT is also able to stimulate iNOS, the enzyme that generates nitric oxide (NO). The role of NO in PDT-treated cancer cells has been investigated in several studies. They showed that low iNOS/NO levels stimulate signaling pathways that promote tumor survival, while high iNOS/NO levels arrest tumor growth. There is increasing evidence that ROS/RNS control both proliferation and migration of cells in the vicinity of PDT-treated tumor cells (so-called bystander cells). In this work, we addressed the question of how NO, which is generated by weak PDT, affects bystander cells. We used a conditioned medium: medium of PDT-treated tumor cells containing the stressors produced by the cells was added to untreated cells mimicking the neighboring bystander cells to investigate whether the conditioned medium affects cell proliferation. We found that low-level NO in prostate cancer cells affects the bystander tumor cells in a manner that depends on their malignancy grade.
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Affiliation(s)
- Mariachiara Gani
- Department of Medicine, Laboratory of Biochemistry, University of Udine, P.le Kolbe 4, 33100, Udine, Italy
| | - Luigi E Xodo
- Department of Medicine, Laboratory of Biochemistry, University of Udine, P.le Kolbe 4, 33100, Udine, Italy
| | - Valentina Rapozzi
- Department of Medicine, Laboratory of Biochemistry, University of Udine, P.le Kolbe 4, 33100, Udine, Italy.
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14
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Rahdar M, Hajisoltani R, Davoudi S, Karimi SA, Borjkhani M, Khatibi VA, Hosseinmardi N, Behzadi G, Janahmadi M. Alterations in the intrinsic discharge activity of CA1 pyramidal neurons associated with possible changes in the NADPH diaphorase activity in a rat model of autism induced by prenatal exposure to valproic acid. Brain Res 2022; 1792:148013. [PMID: 35841982 DOI: 10.1016/j.brainres.2022.148013] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/24/2022] [Accepted: 07/10/2022] [Indexed: 11/02/2022]
Abstract
Autism spectrum disorder is a neurodevelopmental disorder characterized by sensory abnormalities, social skills impairment and cognitive deficits. Although recent evidence indicated that induction of autism-like behavior in animal models causes abnormal neuronal excitability, the impact of autism on neuronal properties is still an important issue. Thus, new findings at the cellular level may shed light on the pathophysiology of autism and may help to find effective treatment strategies. Here, we investigated the behavioral, electrophysiological and histochemical impacts of prenatal exposure to valproic acid (VPA) in rats. Findings revealed that VPA exposure caused a significant increase in the hot plate response latency. The novel object recognition ability was also impaired in VPA-exposed rats. Along with these behavioral alterations, neurons from VPA-exposed animals exhibited altered excitability features in response to depolarizing current injections relative to control neurons. In the VPA-exposed group, these changes consisted of a significant increase in the amplitude, evoked firing frequency and the steady-state standard deviation of spike timing of action potentials (APs). Moreover, the half-width, the AHP amplitude and the decay time constant of APs were significantly decreased in this group. These changes in the evoked electrophysiological properties were accompanied by intrinsic hyperexcitability and lower spike-frequency adaptation and also a significant increase in the number of NADPH-diaphorase stained neurons in the hippocampal CA1 area of the VPA-exposed rats. Taken together, findings demonstrate that abnormal nociception and recognition memory is associated with alterations in the neuronal responsiveness and nitrergic system in a rat model of autism-like.
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Affiliation(s)
- Mona Rahdar
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Razieh Hajisoltani
- Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Shima Davoudi
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Asaad Karimi
- Department of Physiology, School of Medicine, Hamadan University of Medical Sciences, Tehran, Iran
| | - Mehdi Borjkhani
- Department of Electrical Engineering, Urmia University of Technology, Urmia, Iran
| | - Vahid Ahli Khatibi
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Narges Hosseinmardi
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Gila Behzadi
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahyar Janahmadi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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15
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Peter MCS, Gayathry R, Peter VS. Inducible Nitric Oxide Synthase/Nitric Oxide System as a Biomarker for Stress and Ease Response in Fish: Implication on Na+ Homeostasis During Hypoxia. Front Physiol 2022; 13:821300. [PMID: 35655956 PMCID: PMC9152262 DOI: 10.3389/fphys.2022.821300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 04/06/2022] [Indexed: 11/22/2022] Open
Abstract
The cellular and organismal response to stressor-driven stimuli evokes stress response in vertebrates including fishes. Fishes have evolved varied patterns of stress response, including ionosmotic stress response, due to their sensitivity to both intrinsic and extrinsic stimuli. Fishes that experience hypoxia, a detrimental stressor that imposes systemic and cellular stress response, can evoke disturbed ion homeostasis. In addition, like other vertebrates, fishes have also developed mechanisms to recover from the impact of stress by way of shifting stress response into ease response that could reduce the magnitude of stress response with the aid of certain neuroendocrine signals. Nitric oxide (NO) has been identified as a potent molecule that attenuates the impact of ionosmotic stress response in fish, particularly during hypoxia stress. Limited information is, however, available on this important aspect of ion transport physiology that contributes to the mechanistic understanding of survival during environmental challenges. The present review, thus, discusses the role of NO in Na+ homeostasis in fish particularly in stressed conditions. Isoforms of nitric oxide synthase (NOS) are essential for the synthesis and availability of NO at the cellular level. The NOS/NO system, thus, appears as a unique molecular drive that performs both regulatory and integrative mechanisms of control within and across varied fish ionocytes. The activation of the inducible NOS (iNOS)/NO system during hypoxia stress and its action on the dynamics of Na+/K+-ATPase, an active Na+ transporter in fish ionocytes, reveal that the iNOS/NO system controls cellular and systemic Na+ transport in stressed fish. In addition, the higher sensitivity of iNOS to varied physical stressors in fishes and the ability of NO to lower the magnitude of ionosmotic stress in hypoxemic fish clearly put forth NO as an ease-promoting signal molecule in fishes. This further points to the signature role of the iNOS/NO system as a biomarker for stress and ease response in the cycle of adaptive response in fish.
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Affiliation(s)
- M. C. Subhash Peter
- Inter-University Centre for Evolutionary and Integrative Biology iCEIB, School of Life Science, University of Kerala, Kariavattom, Thiruvananthapuram, India
- Department of Zoology, University of Kerala, Kariavattom, Thiruvananthapuram, India
- *Correspondence: M. C. Subhash Peter,
| | - R. Gayathry
- Inter-University Centre for Evolutionary and Integrative Biology iCEIB, School of Life Science, University of Kerala, Kariavattom, Thiruvananthapuram, India
| | - Valsa S. Peter
- Inter-University Centre for Evolutionary and Integrative Biology iCEIB, School of Life Science, University of Kerala, Kariavattom, Thiruvananthapuram, India
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16
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Protective effect of platinum nano-antioxidant and nitric oxide against hepatic ischemia-reperfusion injury. Nat Commun 2022; 13:2513. [PMID: 35523769 PMCID: PMC9076604 DOI: 10.1038/s41467-022-29772-w] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 03/28/2022] [Indexed: 12/15/2022] Open
Abstract
Therapeutic interventions of hepatic ischemia-reperfusion injury to attenuate liver dysfunction or multiple organ failure following liver surgery and transplantation remain limited. Here we present an innovative strategy by integrating a platinum nanoantioxidant and inducible nitric oxide synthase into the zeolitic imidazolate framework-8 based hybrid nanoreactor for effective prevention of ischemia-reperfusion injury. We show that platinum nanoantioxidant can scavenge excessive reactive oxygen species at the injury site and meanwhile generate oxygen for subsequent synthesis of nitric oxide under the catalysis of nitric oxide synthase. We find that such cascade reaction successfully achieves dual protection for the liver through reactive oxygen species clearance and nitric oxide regulation, enabling reduction of oxidative stress, inhibition of macrophage activation and neutrophil recruitment, and ensuring suppression of proinflammatory cytokines. The current work establishes a proof of concept of multifunctional nanotherapeutics against ischemia-reperfusion injury, which may provide a promising intervention solution in clinical use. Pharmacological interventions against hepatic ischemia-reperfusion injury remain limited. Here, the authors provide a nanotherapeutics-based solution combining reactive oxygen species scavenging and nitric oxide modulation.
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17
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Soltan OM, Shoman ME, Abdel-Aziz SA, Narumi A, Konno H, Abdel-Aziz M. Molecular hybrids: A five-year survey on structures of multiple targeted hybrids of protein kinase inhibitors for cancer therapy. Eur J Med Chem 2021; 225:113768. [PMID: 34450497 DOI: 10.1016/j.ejmech.2021.113768] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/23/2021] [Accepted: 08/08/2021] [Indexed: 02/07/2023]
Abstract
Protein kinases have grown over the past few years as a crucial target for different cancer types. With the multifactorial nature of cancer, and the fast development of drug resistance for conventional chemotherapeutics, a strategy for designing multi-target agents was suggested to potentially increase drug efficacy, minimize side effects and retain the proper pharmacokinetic properties. Kinase inhibitors were used extensively in such strategy. Different kinase inhibitor agents which target EGFR, VEGFR, c-Met, CDK, PDK and other targets were merged into hybrids with conventional chemotherapeutics such as tubulin polymerization and topoisomerase inhibitors. Other hybrids were designed gathering kinase inhibitors with targeted cancer therapy such as HDAC, PARP, HSP 90 inhibitors. Nitric oxide donor molecules were also merged with kinase inhibitors for cancer therapy. The current review presents the hybrids designed in the past five years discussing their design principles, results and highlights their future perspectives.
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Affiliation(s)
- Osama M Soltan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524, Egypt
| | - Mai E Shoman
- Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University, 61519, Minia, Egypt.
| | - Salah A Abdel-Aziz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524, Egypt; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Deraya University, 61111, Minia, Egypt
| | - Atsushi Narumi
- Department of Organic Materials Science, Graduate School of Organic Materials Science, Yamagata University, Jonan 4-3-16, Yonezawa, 992-8510, Japan
| | - Hiroyuki Konno
- Department of Biological Engineering, Graduate School of Science and Engineering, Yamagata University, Jonan 4-3-16, Yonezawa, 992-8510, Japan
| | - Mohamed Abdel-Aziz
- Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University, 61519, Minia, Egypt.
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18
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Faingold II, Poletaeva DA, Soldatova YV, Smolina AV, Pokidova OV, Kulikov AV, Sanina NA, Kotelnikova RA. Effects of albumin-bound nitrosyl iron complex with thiosulfate ligands on lipid peroxidation and activities of mitochondrial enzymes in vitro. Nitric Oxide 2021; 117:46-52. [PMID: 34678508 DOI: 10.1016/j.niox.2021.10.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 09/02/2021] [Accepted: 10/18/2021] [Indexed: 01/02/2023]
Abstract
Nitric oxide (NO) mediates diverse physiological processes in living organisms. Small molecular NO donors usually lack stability and have a short half-life in human tissues, limiting the therapeutic application. The anionic tetranitrosyl iron complex with thiosulfate ligands (TNIC) is one of the most promising NO donors. This study shows that bovine serum albumin (BSA) can effectively stabilize the TNIC complex under aerobic (physiological) conditions, which contributes to its prolonged action as NO donor. Our results demonstrated that TNIC-BSA inhibits formation of TBARS - standard biomarker for the lipid peroxidation induced oxidative stress. Also, it was found that TNIC-BSA inhibits the catalytic activity of mitochondrial membrane-bound enzymes: cytochrome c oxidase and monoamine oxidase A. Together, these results demonstrate that, stabilization of TNIC with BSA opens up the possibility of its practical application in chemotherapy of socially significant diseases.
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Affiliation(s)
- I I Faingold
- Institute of Problems of Chemical Physics of the RAS, Chernogolovka, Moscow Region, Russian Federation
| | - D A Poletaeva
- Institute of Problems of Chemical Physics of the RAS, Chernogolovka, Moscow Region, Russian Federation.
| | - Yu V Soldatova
- Institute of Problems of Chemical Physics of the RAS, Chernogolovka, Moscow Region, Russian Federation
| | - A V Smolina
- Institute of Problems of Chemical Physics of the RAS, Chernogolovka, Moscow Region, Russian Federation
| | - O V Pokidova
- Institute of Problems of Chemical Physics of the RAS, Chernogolovka, Moscow Region, Russian Federation
| | - A V Kulikov
- Institute of Problems of Chemical Physics of the RAS, Chernogolovka, Moscow Region, Russian Federation
| | - N A Sanina
- Institute of Problems of Chemical Physics of the RAS, Chernogolovka, Moscow Region, Russian Federation; Medicinal Chemistry Research and Education Center, Moscow Region State University, Mytishchy, Moscow region, Russian Federation
| | - R A Kotelnikova
- Institute of Problems of Chemical Physics of the RAS, Chernogolovka, Moscow Region, Russian Federation
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19
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Barolet AC, Litvinov IV, Barolet D. Light-induced nitric oxide release in the skin beyond UVA and blue light: Red & near-infrared wavelengths. Nitric Oxide 2021; 117:16-25. [PMID: 34536586 DOI: 10.1016/j.niox.2021.09.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 08/03/2021] [Accepted: 09/13/2021] [Indexed: 12/16/2022]
Abstract
Nitric oxide (NO) is omnipresent in the body and synthesized by 3 isoenzymes (nNOS, eNOS and iNOS), all detected in human skin. NO can be stored in a pool of compounds readily converted to NO following skin irradiation by UVR and blue light. This non-enzymatic (without NOS involvement) photolytic reaction mobilizes cutaneous stores of NO derivatives to the bloodstream, lowering blood pressure. However, with the likelihood of skin deleterious effects caused by UVR/blue light, safer wavelengths in the red/near-infrared (NIR) spectrum are becoming potential contenders to release cutaneous NO, possibly via NOS temperature-dependent effects. The use of red/NIR light to mobilize NO stores from the body's largest organ (the skin) is auspicious. This review focuses on UVR, blue, red, and NIR spectra and their capacity to release NO in human skin. PubMed and Google Scholar were used as article databases to find relevant publications related to this particular field.
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Affiliation(s)
- A C Barolet
- Deptartment of Surgery, Experimental Surgery Graduate Training Program, McGill University, Montreal, Quebec, Canada; Division of Dermatology, McGill University Health Centre, Montreal, Quebec, Canada.
| | - I V Litvinov
- Deptartment of Surgery, Experimental Surgery Graduate Training Program, McGill University, Montreal, Quebec, Canada; Division of Dermatology, McGill University Health Centre, Montreal, Quebec, Canada; Deptartment of Medicine, Experimental Medicine Graduate Training Program, McGill University, Montreal, Quebec, Canada
| | - D Barolet
- Division of Dermatology, McGill University Health Centre, Montreal, Quebec, Canada; RoseLab Skin Optics Research Laboratory, Laval, Quebec, Canada
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20
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Kang E, Park JE, Seo Y, Han JS. ( E)-5-hydroxy-7-methoxy-3-(2'-hydroxybenzyl)-4-chromanone isolated from Portulaca oleracea L. suppresses LPS-induced inflammation in RAW 264.7 macrophages by downregulating inflammatory factors. Immunopharmacol Immunotoxicol 2021; 43:611-621. [PMID: 34388059 DOI: 10.1080/08923973.2021.1963271] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
CONTEXT Portulaca oleracea L. is herbaceous succulent annual plant, which belongs to the Portulacaceae family. Many studies have shown its wide spectrum of pharmacological activities such as anti-cancer and anti-diabetic effects. OBJECTIVES The objective of this study was to identify the anti-inflammatory effects of HM-chromanone isolated from Portulaca oleracea L. in LPS-stimulated RAW 264.7 macrophages. MATERIALS AND METHODS LPS (1 μg/ml)-stimulated mouse RAW 264.7 macrophages were used to assess the anti-inflammatory effect of HM-chromanone (10-50 μM). Cell viability was evaluated by MTT assay. In addition, the production of intracellular ROS, superoxide anion, lipid peroxide, NO, and PGE2, and activity of antioxidant enzymes were analyzed. The expressions of iNOS, COX-2, IκB, NF-κB, TNF-α, IL-1β and IL-6 were evaluated by western blot analysis. RESULTS HM-chromanone has demonstrated that there is no significant cytotoxic effect on the viability of RAW 264.7 macrophages. In LPS-stimulated RAW 264.7 cells, HM-chromanone treatment was found to significantly inhibit the production of intracellular ROS, superoxide anion and lipid peroxide, while enhancing the activity of antioxidant enzymes such as SOD, catalase, and GSH-px. Additionally, HM-chromanone treatment was observed to inhibit NO and PGE2 production by inhibiting the expression of iNOS and COX-2. Subsequently, HM-chromanone was observed to significantly suppress LPS-induced expression of IκB, NF-κB, TNF-α, IL-1β and IL-6. DISCUSSION AND CONCLUSION Overall, our results suggested that HM-chromanone suppresses LPS-induced inflammation in RAW 264.7 macrophages by downregulating the expression of inflammatory factors.
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Affiliation(s)
- Eunji Kang
- Department of Food Science and Nutrition, Pusan National University, Busan, Republic of Korea
| | - Jae Eun Park
- Department of Food Science and Nutrition, Pusan National University, Busan, Republic of Korea
| | - Youngwan Seo
- Division of Marine Bioscience, Korea Maritime and Ocean University, Busan, Republic of Korea
| | - Ji Sook Han
- Department of Food Science and Nutrition, Pusan National University, Busan, Republic of Korea
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21
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Akhigbe RE, Hamed MA. Co-administration of HAART and antikoch triggers cardiometabolic dysfunction through an oxidative stress-mediated pathway. Lipids Health Dis 2021; 20:62. [PMID: 34225751 PMCID: PMC8259328 DOI: 10.1186/s12944-021-01493-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 06/23/2021] [Indexed: 12/24/2022] Open
Abstract
Background Antikoch and highly active anti-retroviral therapy are effective drugs in the management of tuberculosis and Human Immunodeficiency Virus, respectively. However, these cocktails have been independently associated with the aetiopathogenesis of metabolic syndrome. This study investigated whether or not the co-administration of antikoch and anti-retroviral, as seen in tuberculosis/Human Immunodeficiency Virus co-infection, will produce a similar effect. Also, it evaluated the role of glutathione and adenine deaminase/xanthine oxidase/uric acid signaling in antikoch/anti-retroviral-induced cardiometabolic dysfunction. Methods Male rats of Wistar strain were randomized into four groups: the control, which had 0.5 mL of distilled water as a vehicle, anti-Koch-treated rats that were administered a cocktail of anti-Koch, HAART-treated rats that had a combination of anti-retroviral drugs, and anti-Koch + HAART-treated rats that had treatments as anti-Koch-treated and HAART-treated rats. The treatment was once daily and lasted for eight weeks. One way-analysis of variance followed by Tukey’s posthoc test was used to test for significance and pairwise comparisons respectively. Results Although no changes in body weight gain and cardiac weight were noted, it was found that antikoch and/or HAART caused insulin resistance and elevated blood glucose level. In addition, antikoch and/or HAART led to dyslipidaemia, increased atherogenic indices, and elevated cardiac injury markers. These were accompanied by increased plasma and cardiac concentrations of malondialdehyde and nitric oxide, C-reactive protein, and myeloperoxidase activity, as well as suppressed activities of glutathione peroxidase and glutathione-S-transferase, and a fall in reduced glutathione level. The observed alterations were more pronounced in animals that received a combination of antikoch and HAART. Conclusions This study provides the first evidence that antikoch and/or HAART induce cardiometabolic dysfunction via glutathione suppression and up-regulation of adenine deaminase/xanthine oxidase/uric acid-dependent oxidative stress and inflammatory response. These events were associated with dyslipidaemia and increased atherogenic indices. This infers that regular monitoring of glucose level, insulin sensitivity, lipid profile, and oxido-inflammatory markers is important in patients on antikoch and/or HAART for prompt diagnosis and management of cardiometabolic disorder if it ensues.
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Affiliation(s)
- R E Akhigbe
- Department of Physiology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria. .,Reproductive Biology and Toxicology Research Laboratories, Oasis of Grace Hospital, Osogbo, Osun State, Nigeria. .,Department of Chemical Sciences, Kings University, Odeomu, Osun, Nigeria.
| | - M A Hamed
- Reproductive Biology and Toxicology Research Laboratories, Oasis of Grace Hospital, Osogbo, Osun State, Nigeria.,Buntai Medical and Diagnostic Laboratories, Osogbo, Nigeria
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22
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Almeida B, Rogers KE, Nag OK, Delehanty JB. Sensing Nitric Oxide in Cells: Historical Technologies and Future Outlook. ACS Sens 2021; 6:1695-1703. [PMID: 33871990 DOI: 10.1021/acssensors.1c00051] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Nitric oxide (NO) is a critical cell signaling molecule with important roles in both normal cellular physiology and pathology. Over the past 20 years, multiple sensing modalities have been developed for the intracellular synthesis (endogenous) and release (exogenous) of NO. In this review, we survey the historical progression of NO sensing platforms, highlight the current state of the art, and offer a forward-looking view of how we expect the field of NO sensing to develop in the context of recent advances in bio-nanotechnology and nanoscale cellular biosensors.
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Affiliation(s)
- Bethany Almeida
- American Society for Engineering Education, Washington, D.C. 20036, United States
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
| | - Katherine E. Rogers
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
- Fischell Department of Bioengineering, University of Maryland, 2330 Kim Engineering Building, College Park, Maryland 20742, United States
| | - Okhil K. Nag
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
| | - James B. Delehanty
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
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23
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Mussa BM, Khan AA, Srivastava A, Abdallah SH. Differentiated PDGFRα-Positive Cells: A Novel In-Vitro Model for Functional Studies of Neuronal Nitric Oxide Synthase. Int J Mol Sci 2021; 22:ijms22073514. [PMID: 33805311 PMCID: PMC8037384 DOI: 10.3390/ijms22073514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 03/12/2021] [Accepted: 03/25/2021] [Indexed: 12/16/2022] Open
Abstract
It is evident that depletion of interstitial cells and dysfunction of nitric oxide (NO) pathways are key players in development of several gastrointestinal (GI) motility disorders such as diabetic gastroparesis (DGP). One of the main limitations of DGP research is the lack of isolation methods that are specific to interstitial cells, and therefore conducting functional studies is not feasible. The present study aims (i) to differentiate telomerase transformed mesenchymal stromal cells (iMSCs) into platelet-derived growth factor receptor-α-positive cells (PDGFRα-positive cells) using connective tissue growth factor (CTGF) and L-ascorbic acids; (ii) to investigate the effects of NO donor and inhibitor on the survival rate of differentiated PDGFRα-positive cells; and (iii) to evaluate the impact of increased glucose concentrations, mimicking diabetic hyperglycemia, on the gene expression of neuronal nitric oxide synthase (nNOS). A fibroblastic differentiation-induction medium supplemented with connective tissue growth factor was used to differentiate iMSCs into PDGFRα-positive cells. The medium was changed every day for 21 days to maintain the biological activity of the growth factors. Gene and protein expression, scanning electron and confocal microscopy, and flow cytometry analysis of several markers were conducted to confirm the differentiation process. Methyl tetrazolium cell viability, nitrite measurement assays, and immunostaining were used to investigate the effects of NO on PDGFRα-positive cells. The present study, for the first time, demonstrated the differentiation of iMSCs into PDGFRα-positive cells. The outcomes of the functional studies showed that SNAP (NO donor) increased the survival rate of differentiated PDGFRα-positive cells whereas LNNA (NO inhibitor) attenuated these effects. Further experimentations revealed that hyperglycemia produced a significant increase in expression of nNOS in PDGFRα-positive cells. Differentiation of iMSCs into PDGFRα-positive cells is a novel model to conduct functional studies and to investigate the involvement of NO pathways. This will help in identifying new therapeutic targets for treatment of DGP.
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Affiliation(s)
- Bashair M. Mussa
- Basic Medical Sciences Department, College of Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates
- Correspondence: ; Tel.: +971-65057220
| | - Amir Ali Khan
- Department of Applied Biology, College of Science, University of Sharjah, Sharjah 27272, United Arab Emirates;
| | - Ankita Srivastava
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates;
| | - Sallam Hasan Abdallah
- Research Institute of Sciences & Engineering, University of Sharjah, Sharjah 27272, United Arab Emirates;
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Chen L, Huang F, Zhang C, Zhang J, Liu F, Guan X. Effects of norfloxacin on nitrate reduction and dynamic denitrifying enzymes activities in groundwater. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 273:116492. [PMID: 33493764 DOI: 10.1016/j.envpol.2021.116492] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 01/05/2021] [Accepted: 01/08/2021] [Indexed: 06/12/2023]
Abstract
The impact of antibiotics on denitrification has attracted widespread attention recently. Norfloxacin, as a representative of fluoroquinolone antibiotics, is extensively detected in groundwater. However, whether the release of norfloxacin into the groundwater poses potential risks to denitrification remains unclear. In this study, effect of norfloxacin on denitrification was investigated. The results showed that increasing norfloxacin from 0 to 100 μg/L decreased nitrate removal rate from 0.68 to 0.44 mg/L/h, but enhanced N2O emission by 177 folds. Additionally, 100 μg/L of norfloxacin decreased nitrite accumulation by 50.6%. Corresponding inhibition of norfloxacin on bacterial growth, carbon source utilization, electron transport system activity and genes expression was revealed. Furthermore, denitrifying enzyme dynamic monitoring results showed that norfloxacin inhibited nitrate reductase activity, and enhanced nitrite reductase activity to some extent in denitrification process, which was consistent with the variations of nitrate and nitrite. Meanwhile, sensitivity analysis demonstrated that nitrate reductase was more easily affected by norfloxacin than nitrite reductase. Overall, this study suggests that multiple regulation of denitrifying enzyme activity contributes to evaluating the comprehensive effects of antibiotics on groundwater denitrification.
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Affiliation(s)
- Linpeng Chen
- MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing, 100083, PR China; Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, PR China
| | - Fuyang Huang
- MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing, 100083, PR China; Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, PR China
| | - Chong Zhang
- MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing, 100083, PR China; Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, PR China
| | - Jia Zhang
- MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing, 100083, PR China; Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, PR China
| | - Fei Liu
- MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing, 100083, PR China; Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, PR China.
| | - Xiangyu Guan
- Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, PR China; School of Ocean Sciences, China University of Geosciences (Beijing), Beijing, 100083, PR China
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Douglass M, Hopkins S, Pandey R, Singha P, Norman M, Handa H. S-Nitrosoglutathione-Based Nitric Oxide-Releasing Nanofibers Exhibit Dual Antimicrobial and Antithrombotic Activity for Biomedical Applications. Macromol Biosci 2021; 21:e2000248. [PMID: 33021079 PMCID: PMC7855517 DOI: 10.1002/mabi.202000248] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/07/2020] [Indexed: 12/20/2022]
Abstract
The novel use of nanofibers as a physical barrier between blood and medical devices has allowed for modifiable, innovative surface coatings on devices ordinarily plagued by thrombosis, delayed healing, and chronic infection. In this study, the nitric oxide (NO) donor S-nitrosoglutathione (GSNO) is blended with the biodegradable polymers polyhydroxybutyrate (PHB) and polylactic acid (PLA) for the fabrication of hemocompatible, antibacterial nanofibers tailored for blood-contacting applications. Stress/strain behavior of different concentrations of PHB and PLA is recorded to optimize the mechanical properties of the nanofibers. Nanofibers incorporated with different concentrations of GSNO (10, 15, 20 wt%) are evaluated based on their NO-releasing kinetics. PLA/PHB + 20 wt% GSNO nanofibers display the greatest NO release over 72 h (0.4-1.5 × 10-10 mol mg-1 min-1 ). NO-releasing fibers successfully reduce viable adhered bacterial counts by ≈80% after 24 h of exposure to Staphylococcus aureus. NO-releasing nanofibers exposed to porcine plasma reduce platelet adhesion by 64.6% compared to control nanofibers. The nanofibers are found noncytotoxic (>95% viability) toward NIH/3T3 mouse fibroblasts, and 4',6-diamidino-2-phenylindole and phalloidin staining shows that fibroblasts cultured on NO-releasing fibers have improved cellular adhesion and functionality. Therefore, these novel NO-releasing nanofibers provide a safe antimicrobial and hemocompatible coating for blood-contacting medical devices.
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Affiliation(s)
- Megan Douglass
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Sean Hopkins
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Rashmi Pandey
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Priya Singha
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Megan Norman
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
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Ghalei S, Mondal A, Hopkins S, Singha P, Devine R, Handa H. Silk Nanoparticles: A Natural Polymeric Platform for Nitric Oxide Delivery in Biomedical Applications. ACS APPLIED MATERIALS & INTERFACES 2020; 12:53615-53623. [PMID: 33205962 DOI: 10.1021/acsami.0c13813] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this study, the preparation and characterization of nitric oxide (NO) releasing silk fibroin nanoparticles (SF NPs) are described for the first time. S-Nitroso-N-acetylpenicillamine (SNAP)-loaded SF NPs (SNAP-SF NPs) were prepared via an antisolvent/self-assembling method by adding a SNAP/ethanol solution to an aqueous SF solution and freeze-thawing. The prepared SNAP-SF NPs had a diameter ranging from 300 to 400 nm and an overall negative charge of -28.76 ± 0.73 mV. Among the different SNAP/SF ratios tested, the highest encapsulation efficiency (18.3 ± 1.3%) and loading capacity (9.1 ± 0.6%) values were attributed to the 1:1 ratio. The deconvolution of the amide I band in the FTIR spectra of SF NPs and SNAP-SF NPs showed an increase in the β-sheet content for SNAP-SF NPs, confirming the hydrophobic interactions between SNAP and silk macromolecules. SNAP-SF NPs released up to 1.31 ± 0.02 × 10-10 mol min-1 mg-1 NO over a 24 h period. Moreover, SNAP-SF NPs showed concentration-dependent antibacterial effects against methicillin-resistant Staphylococcus aureus and Escherichia coli. Furthermore, they did not elicit any marked cytotoxicity against 3T3 mouse fibroblast cells at concentrations equal to or below 2 mg/mL. Overall, these results demonstrated that SNAP-SF NPs have great potential to be used as a NO delivery platform for biomedical applications such as tissue engineering and wound healing, where synergistic properties of SF and NO are desired.
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Affiliation(s)
- Sama Ghalei
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Arnab Mondal
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Sean Hopkins
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Priyadarshini Singha
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Ryan Devine
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, Georgia 30602, United States
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Serratane triterpenoids from Lycopodium complanatum and their anti-cancer and anti-inflammatory activities. Bioorg Chem 2020; 101:103959. [DOI: 10.1016/j.bioorg.2020.103959] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 04/04/2020] [Accepted: 05/20/2020] [Indexed: 12/27/2022]
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Li RJ, Kuang XP, Wang WJ, Wan CP, Li WX. Comparison of chemical constitution and bioactivity among different parts of Lonicera japonica Thunb. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:614-622. [PMID: 31597198 DOI: 10.1002/jsfa.10056] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 09/15/2019] [Accepted: 09/16/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Lonicera japonica Thunb is a common herb in East Asia. The flower buds are usually regarded as the traditional medicinal part, while leaves and stems are considered less valuable and receive little attention. This study compared the chemical constituents and anti-inflammatory effects of the different tissues in L. japonica Thunb for the first time. RESULTS Thirty compounds were identified by ultra-performance liquid chromatography-photodiode detector-quadrupole / time of flight-mass spectrometry (UPLC-PDA-Q/TOF-MS/MS) analysis. Hydroxycinnamic acids, flavonoids, and iridoids were identified as the major components. The flower buds (FLJ), leaves (LLJ), and stems (SLJ) of L. japonica Thunb showed strong similarities in chemical components. The LLJ contained higher levels of hydroxycinnamic acids and flavonoids than the FLJ and SLJ. Furthermore, FLJ, LLJ, and SLJ exhibited potent anti-inflammatory activity in croton oil-induced ear edema and carrageenan-induced paw edema assays in mice. Moreover, FLJ, LLJ, and SLJ showed a cytoprotective effect on lipopolysaccharide- (LPS-) stimulated RAW 264.7 macrophages. Lipopolysaccharide-induced increases in nitric oxide (NO), tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6) were suppressed by treatments of FLJ, LLJ, and SLJ, respectively. The LLJ possessed a stronger anti-inflammatory effect than the FLJ. CONCLUSION Leaves and stems of L. japonica Thunb have chemical components and anti-inflammatory properties similar to flower buds, and may become alternative or supplementary sources of flower buds. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Rong-Jiao Li
- School of Chinese Materia Medica, Yunnan University of Traditional Chinese Medicine, Kunming, PR China
| | - Xiu-Ping Kuang
- School of Chinese Materia Medica, Yunnan University of Traditional Chinese Medicine, Kunming, PR China
| | - Wen-Jing Wang
- School of Chinese Materia Medica, Yunnan University of Traditional Chinese Medicine, Kunming, PR China
| | - Chun-Ping Wan
- Central Laboratory, The No. 1 Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, Kunming, PR China
| | - Wei-Xi Li
- School of Chinese Materia Medica, Yunnan University of Traditional Chinese Medicine, Kunming, PR China
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Serratane triterpenoids isolated from Lycopodium clavatum by bioactivity-guided fractionation attenuate the production of inflammatory mediators. Bioorg Chem 2020; 96:103632. [PMID: 32059153 DOI: 10.1016/j.bioorg.2020.103632] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 12/27/2019] [Accepted: 01/28/2020] [Indexed: 12/26/2022]
Abstract
Lycopodium clavatum has been used in traditional medicine for the treatment of kidney disorders, rheumatic arthritis, cystitis, and gastritis. We isolated a new serratane triterpenoid (2), and five known triterpenoids (1, 3-6) from the ethyl acetate fraction of L. clavatum by bioactivity-guided fractionation based on their suppression of inflammatory cytokines. Two different cell lines, RAW 264.7 and HT-29 were used to determine the anti-inflammatory activity of the isolated compounds. Among them, compounds 1, 2, 4, and 5 significantly inhibited the production of lipopolysaccharide (LPS)-induced NO in macrophages. Compounds 1, 2, 4, and 5 reduced inducible nitric oxide (iNOS) expression in RAW 264.7 cells and compounds 1 and 6 downregulated COX-2, which correlated with the reduced expression of PGE2. Compounds 1, 2, 4, and 5 downregulated pro-inflammatory cytokines, such as interleukin-1β (IL-1β) in macrophages, and additionally suppressed the levels of IL-8 in HT-29 cells. To determine the signaling pathways involved in the suppression of NO production by these compounds, we investigated ERK1/2 and nuclear factor-kappa B (NF-κB) expression by western blot analysis. We observed that these compounds downregulated the expression of LPS-induced NF-κB and pERK 1/2 in RAW 264.7 cells. Our results demonstrate that serratane triterpenoids isolated from L. clavatum may be used as potential candidates for treating inflammatory bowel disease (IBD) due to their anti-inflammatory effects.
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Combination of PDT and NOPDT with a Tailored BODIPY Derivative. Antioxidants (Basel) 2019; 8:antiox8110531. [PMID: 31703295 PMCID: PMC6912809 DOI: 10.3390/antiox8110531] [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: 10/09/2019] [Revised: 10/30/2019] [Accepted: 11/05/2019] [Indexed: 12/12/2022] Open
Abstract
The engineering of photosensitizers (PS) for photodynamic therapy (PDT) with nitric oxide (NO) photodonors (NOPD) is broadening the horizons for new and yet to be fully explored unconventional anticancer treatment modalities that are entirely controlled by light stimuli. In this work, we report a tailored boron-dipyrromethene (BODIPY) derivative that acts as a PS and a NOPD simultaneously upon single photon excitation with highly biocompatible green light. The photogeneration of the two key species for PDT and NOPDT, singlet oxygen (1O2) and NO, has been demonstrated by their direct detection, while the formation of NO is shown not to be dependent on the presence of oxygen. Biological studies carried out using A375 and SKMEL28 cancer cell lines, with the aid of suitable model compounds that are based on the same BODIPY light harvesting core, unambiguously reveal the combined action of 1O2 and NO in inducing amplified cancer cell mortality exclusively under irradiation with visible green light.
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ShanChen, Khan BM, Cheong KL, Liu Y. Pumpkin polysaccharides: Purification, characterization and hypoglycemic potential. Int J Biol Macromol 2019; 139:842-849. [DOI: 10.1016/j.ijbiomac.2019.08.053] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 07/28/2019] [Accepted: 08/06/2019] [Indexed: 01/12/2023]
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Mondal A, Douglass M, Hopkins SP, Singha P, Tran M, Handa H, Brisbois EJ. Multifunctional S-Nitroso- N-acetylpenicillamine-Incorporated Medical-Grade Polymer with Selenium Interface for Biomedical Applications. ACS APPLIED MATERIALS & INTERFACES 2019; 11:34652-34662. [PMID: 31483604 PMCID: PMC8007129 DOI: 10.1021/acsami.9b10610] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Modern crises in implantable or indwelling blood-contacting medical devices are mainly due to the dual problems of infection and thrombogenicity. There is a paucity of biomaterials that can address both problems simultaneously through a singular platform. Taking cues from the body's own defense mechanism against infection and blood clotting (thrombosis) via the endogenous gasotransmitter nitric oxide (NO), both of these issues are addressed through the development of a layered S-nitroso-N-acetylpenicillamine (SNAP)-doped polymer with a blended selenium (Se)-polymer interface. The unique capability of the SNAP-Se-1 polymer composites to explicitly release NO from the SNAP reservoir as well as generate NO via the incorporated Se is reported for the first time. The NO release from the SNAP-doped polymer increased substantially in the presence of the Se interface. The Se interface was able to generate NO in the presence of S-nitrosoglutathione (GSNO) and glutathione (GSH), demonstrating the capability of generating NO from endogenous S-nitrosothiols (RSNO). Scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) traced distribution of elemental Se nanoparticles on the interface and the surface properties were evaluated by surface wettability and roughness. The SNAP-Se-1 efficiently inhibited the growth of bacteria and reduced platelet adhesion while showing minimal cytotoxicity, thus potentially eliminating the risks of systemic antibiotic and blood coagulation therapy. The SNAP-Se-1 exhibited antibacterial activity of ∼2.39 and ∼2.25 log reductions in the growth of clinically challenging adhered Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli. SNAP-Se-1 also significantly reduced platelet adhesion by 85.5% compared to corresponding controls. A WST-8-based cell viability test performed on NIH 3T3 mouse fibroblast cells provided supporting evidence for the potential biocompatibility of the material in vitro. These results highlight the prospective utility of SNAP-Se-1 as a blood-contacting infection-resistant biomaterial in vitro which can be further tuned by application specificity.
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Affiliation(s)
- Arnab Mondal
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
| | - Megan Douglass
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
| | - Sean P Hopkins
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
| | - Priyadarshini Singha
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
| | - Martin Tran
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
- Corresponding Authors: Dr. Hitesh Handa, Assistant Professor, University of Georgia, 220 Riverbend Road, Athens, GA 30602, Telephone: (706) 542-8109, ; Dr. Elizabeth Brisbois, Assistant Professor, University of Central Florida, 12760 Pegasus Drive, Orlando, FL 32816, Telephone: (407) 266-7169,
| | - Elizabeth J Brisbois
- Department of Materials Science & Engineering, College of Engineering & Computer Science , University of Central Florida , Orlando , Florida 32816 , United States
- Corresponding Authors: Dr. Hitesh Handa, Assistant Professor, University of Georgia, 220 Riverbend Road, Athens, GA 30602, Telephone: (706) 542-8109, ; Dr. Elizabeth Brisbois, Assistant Professor, University of Central Florida, 12760 Pegasus Drive, Orlando, FL 32816, Telephone: (407) 266-7169,
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Protopapas AA, Vradelis S, Karampitsakos T, Steiropoulos P, Chatzimichael A, Paraskakis E. Elevated Levels of Alveolar Nitric Oxide May Indicate Presence of Small Airway Inflammation in Patients with Inflammatory Bowel Disease. Lung 2019; 197:663-670. [PMID: 31317255 DOI: 10.1007/s00408-019-00253-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 07/09/2019] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Pulmonary manifestations of inflammatory bowel disease (IBD), albeit not rare, are largely overlooked in clinical practice. The role of exhaled nitric oxide (eNO) as an established biological marker of airway inflammation compels us to use it as a tool to investigate the exact nature of these manifestations. METHODS Fractional eNO (FeNO) was measured in multiple flows, and with the use of a mathematical model, alveolar concentration of NO (CANO) and bronchial flux of NO (JawNO) were assessed in 27 patients with IBD [17 with Crohn's disease (CD) and 10 with ulcerative colitis (UC)] and in 39 healthy controls. Carefully selected criteria were used to exclude patients or healthy controls that presented factors considered to be correlated with eNO measurements. Disease activity was measured in Crohn's patients using the CD activity index (CDAI) score and in UC using the partial Mayo score. RESULTS CANO was significantly higher in the IBD group, compared to the control group (p < 0.0001). FeNO was significantly increased in patients with IBD (p = 0.023), while there was no statistical significance found regarding levels of JawNO in patients with IBD (p = 0.106), both compared to controls. There was no significant correlation between any eNO component and markers of disease activity. CONCLUSIONS Alveolar concentration of NO is elevated in patients with IBD, regardless of disease activity. This may suggest that subclinical small airway inflammation is present in patients with IBD, even those with mild or inactive disease.
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Affiliation(s)
- Adonis A Protopapas
- Department of Pediatrics, University Hospital of Alexandroupolis, Democritus University of Thrace, 68100, Alexandroupolis, Greece.
| | - Stergios Vradelis
- Second Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Theodoros Karampitsakos
- Department of Pediatrics, University Hospital of Alexandroupolis, Democritus University of Thrace, 68100, Alexandroupolis, Greece
| | - Paschalis Steiropoulos
- Department of Pneumonology, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Athanasios Chatzimichael
- Department of Pediatrics, University Hospital of Alexandroupolis, Democritus University of Thrace, 68100, Alexandroupolis, Greece
| | - Emmanouil Paraskakis
- Department of Pediatrics, University Hospital of Alexandroupolis, Democritus University of Thrace, 68100, Alexandroupolis, Greece
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MicroRNA-33-3p Regulates Vein Endothelial Cell Apoptosis in Selenium-Deficient Broilers by Targeting E4F1. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:6274010. [PMID: 31249647 PMCID: PMC6556262 DOI: 10.1155/2019/6274010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 03/22/2019] [Accepted: 05/05/2019] [Indexed: 12/11/2022]
Abstract
Selenium (Se) is a type of nutrient element. The tissues of organisms can have pathological damage, including apoptosis, due to Se deficiency. Apoptosis is an important cell process and plays a key role in vascular disease and Se-deficient symptoms. In this study, the Se-deficient broiler model was duplicated, miR-33-3p in the vein was overexpressed in response to Se-deficiency, and miR-33-3p target gene E4F transcription factor 1 (E4F1) expression was also confirmed. We utilized ectopic miR-33-3p expression to validate its function for apoptosis. The results showed that miR-33-3p-targeted E4F1 are involved in the glucose-regulated protein 78- (GRP78-) induced endoplasmic reticulum stress (ERS) apoptosis pathway. We presumed that Se deficiency might trigger apoptosis via downregulating miR-33-3p. Interestingly, the miR-33-3p inhibitor and VER-155008 (GRP78 inhibitor) partly hindered the apoptosis caused by Se deficiency. Thus, the above information provides a new avenue toward understanding the mechanism of Se deficiency and reveals a novel apoptotic injury regulation model in vascular disease.
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Zheng Q, Li W, Liang S, Zhang H, Yang H, Li M, Zhang Y. Effects of ultrasonic treatment on the molecular weight and anti-inflammatory activity of oxidized konjac glucomannan. CYTA - JOURNAL OF FOOD 2019. [DOI: 10.1080/19476337.2018.1541195] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Qiaoran Zheng
- School of Advanced Agriculture and Bioengineering, Yangtze Normal University, Chongqing, China
| | - Wenfeng Li
- School of Advanced Agriculture and Bioengineering, Yangtze Normal University, Chongqing, China
| | - Shan Liang
- School of Advanced Agriculture and Bioengineering, Yangtze Normal University, Chongqing, China
| | - Heng Zhang
- Ya’an Polytechnic College, Drug Control Institutions, SiChuan, China
| | - Hui Yang
- School of Advanced Agriculture and Bioengineering, Yangtze Normal University, Chongqing, China
| | - Min Li
- School of Advanced Agriculture and Bioengineering, Yangtze Normal University, Chongqing, China
| | - Yan Zhang
- School of Advanced Agriculture and Bioengineering, Yangtze Normal University, Chongqing, China
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36
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Dong X, Liu HJ, Feng HY, Yang SC, Liu XL, Lai X, Lu Q, Lovell JF, Chen HZ, Fang C. Enhanced Drug Delivery by Nanoscale Integration of a Nitric Oxide Donor To Induce Tumor Collagen Depletion. NANO LETTERS 2019; 19:997-1008. [PMID: 30676760 DOI: 10.1021/acs.nanolett.8b04236] [Citation(s) in RCA: 131] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Delivery of therapeutics into the solid tumor microenvironment is a major challenge for cancer nanomedicine. Administration of certain exogenous enzymes which deplete tumor stromal components has been proposed as a method to improve drug delivery. Here we present a protein-free collagen depletion strategy for drug delivery into solid tumors, based on activating endogenous matrix metalloproteinases (MMP-1 and -2) using nitric oxide (NO). Mesoporous silica nanoparticles (MSN) were loaded with a chemotherapeutic agent, doxorubicin (DOX) as well as a NO donor ( S-nitrosothiol) to create DN@MSN. The loaded NO results in activation of MMPs which degrade collagen in the tumor extracellular matrix. Administration of DN@MSN resulted in enhanced tumor penetration of both the nanovehicle and cargo (DOX), leading to significantly improved antitumor efficacy with no overt toxicity observed.
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Affiliation(s)
- Xiao Dong
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital and Department of Pharmacology and Chemical Biology, Institute of Medical Sciences , Shanghai Jiao Tong University School of Medicine (SJTU-SM) , 280 South Chongqing Road , Shanghai 200025 , China
| | - Hai-Jun Liu
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital and Department of Pharmacology and Chemical Biology, Institute of Medical Sciences , Shanghai Jiao Tong University School of Medicine (SJTU-SM) , 280 South Chongqing Road , Shanghai 200025 , China
| | - Hai-Yi Feng
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital and Department of Pharmacology and Chemical Biology, Institute of Medical Sciences , Shanghai Jiao Tong University School of Medicine (SJTU-SM) , 280 South Chongqing Road , Shanghai 200025 , China
| | - Si-Cong Yang
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital and Department of Pharmacology and Chemical Biology, Institute of Medical Sciences , Shanghai Jiao Tong University School of Medicine (SJTU-SM) , 280 South Chongqing Road , Shanghai 200025 , China
| | - Xue-Liang Liu
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital and Department of Pharmacology and Chemical Biology, Institute of Medical Sciences , Shanghai Jiao Tong University School of Medicine (SJTU-SM) , 280 South Chongqing Road , Shanghai 200025 , China
| | - Xing Lai
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital and Department of Pharmacology and Chemical Biology, Institute of Medical Sciences , Shanghai Jiao Tong University School of Medicine (SJTU-SM) , 280 South Chongqing Road , Shanghai 200025 , China
| | - Qin Lu
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital and Department of Pharmacology and Chemical Biology, Institute of Medical Sciences , Shanghai Jiao Tong University School of Medicine (SJTU-SM) , 280 South Chongqing Road , Shanghai 200025 , China
| | - Jonathan F Lovell
- Department of Biomedical Engineering , University at Buffalo, State University of New York , Buffalo , New York 14260 , United States
| | - Hong-Zhuan Chen
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital and Department of Pharmacology and Chemical Biology, Institute of Medical Sciences , Shanghai Jiao Tong University School of Medicine (SJTU-SM) , 280 South Chongqing Road , Shanghai 200025 , China
| | - Chao Fang
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital and Department of Pharmacology and Chemical Biology, Institute of Medical Sciences , Shanghai Jiao Tong University School of Medicine (SJTU-SM) , 280 South Chongqing Road , Shanghai 200025 , China
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37
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Yeruva T, Lee CH. Regulation of Vaginal Microbiome by Nitric Oxide. Curr Pharm Biotechnol 2019; 20:17-31. [PMID: 30727888 DOI: 10.2174/1389201020666190207092850] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 07/18/2018] [Accepted: 01/30/2019] [Indexed: 12/15/2022]
Abstract
In this review, the composition and regulation of vaginal microbiome that displays an apparent microbial diversity and interacts with other microbiota in the body are presented. The role of nitric oxide (NO) in the regulation of vaginal microflora in which lactobacillus species typically dominate has been delineated from the perspective of maintaining gynecologic ecosystem and prevention of onset of bacteriostatic vaginosis (BV) and/or sexually transmitted diseases (STD) including HIV-1 transmission. The interactions between NO and vaginal microbiome and its influence on the levels of Lactobacillus, hormones and other components are described. The recent progress, such as NO drugs, probiotic Lactobacilli and Lactobacillus microbots, that can be explored to alleviate abnormality of vagina microbiome, is also discussed. An identification of Oral-GI-Vagina axis, as well as the relationship between NO and Lactobacillus regulation in the healthy or pathological status of vagina microbiome, surely offers the advanced drug delivery option against BV or STD including AIDS.
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Affiliation(s)
- Taj Yeruva
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Missouri, Kansas City, MO, 64108, United States
| | - Chi H Lee
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Missouri, Kansas City, MO, 64108, United States
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38
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Siegel JM, Schilly KM, Wijesinghe MB, Caruso G, Fresta CG, Lunte SM. Optimization of a microchip electrophoresis method with electrochemical detection for the determination of nitrite in macrophage cells as an indicator of nitric oxide production. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2019; 11:148-156. [PMID: 31579404 PMCID: PMC6774641 DOI: 10.1039/c8ay02014k] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Nitric oxide (NO) is involved in many biological functions, including blood pressure regulation, the immune response, and neurotransmission. However, excess production of NO can lead to the generation of reactive nitrogen species and nitrosative stress and has been linked to several neurodegenerative diseases and cardiovascular disorders. Because NO is short-lived and generally difficult to detect, its primary stable degradation product, nitrite, is frequently monitored in its place. In this paper, an improved method using microchip electrophoresis with electrochemical detection (ME-EC) was developed for the separation and detection of nitrite in cell lysates. A separation of nitrite from several electroactive cell constituents and interferences was optimized, and the effect of sample and buffer conductivity on peak efficiency was explored. It was found that the addition of 10 mM NaCl to the run buffer caused stacking of the nitrite peak and improved limits of detection. A platinum black working electrode was also evaluated for the detection of nitrite and other electroactive cellular species after electrophoretic separation. The use of a modified platinum working electrode resulted in 2.5-, 1.7-, and 7.2-fold signal enhancement for nitrite, ascorbic acid, and hydrogen peroxide, respectively, and increased the sensitivity of the method for nitrite twofold. The optimized ME-EC method was used to compare nitrite production by native and lipopolysaccharide-stimulated RAW 264.7 macrophage cells.
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Affiliation(s)
- Joseph M. Siegel
- Department of Chemistry, University of Kansas, Lawrence, KS, USA
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA
| | - Kelci M. Schilly
- Department of Chemistry, University of Kansas, Lawrence, KS, USA
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA
| | - Manjula B. Wijesinghe
- Department of Chemistry, University of Kansas, Lawrence, KS, USA
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA
| | - Giuseppe Caruso
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA
- Current address: Oasi Research Institute - IRCCS, Troina 94018, Italy
| | - Claudia G. Fresta
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA
| | - Susan M. Lunte
- Department of Chemistry, University of Kansas, Lawrence, KS, USA
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA
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39
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Lee AY, Choi JW, Yokozawa T, Cho EJ. Preventive effect of oligonol on nitric oxide and reactive oxygen species production through regulation of nuclear factor kappa B signaling pathway in RAW 264.7 macrophage cells against sodium nitroprusside. RSC Adv 2019; 9:3987-3993. [PMID: 35518095 PMCID: PMC9060530 DOI: 10.1039/c8ra08867e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 12/14/2018] [Indexed: 11/21/2022] Open
Abstract
Oligonol attenuated SNP-induced oxidative stress and inflammatory responsesviaregulation of the NF-κB signalling pathway in RAW 264.7 macrophage cells.
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Affiliation(s)
- Ah Young Lee
- Department of Food Science and Nutrition
- Kimchi Research Institute
- Pusan National University
- Busan 46241
- Republic of Korea
| | - Ji Won Choi
- Technology Support Center
- Korea Food Research Institute
- Republic of Korea
| | - Takako Yokozawa
- Graduate School of Science and Engineering for Research
- University of Toyama
- Toyama 930-8555
- Japan
| | - Eun Ju Cho
- Department of Food Science and Nutrition
- Kimchi Research Institute
- Pusan National University
- Busan 46241
- Republic of Korea
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40
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Poly-ε-caprolactone/polysulfhydrylated polyester blend: A platform for topical and degradable nitric oxide-releasing materials. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.09.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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41
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Ekanger LA, Oyala PH, Moradian A, Sweredoski MJ, Barton JK. Nitric Oxide Modulates Endonuclease III Redox Activity by a 800 mV Negative Shift upon [Fe 4S 4] Cluster Nitrosylation. J Am Chem Soc 2018; 140:11800-11810. [PMID: 30145881 DOI: 10.1021/jacs.8b07362] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Here we characterize the [Fe4S4] cluster nitrosylation of a DNA repair enzyme, endonuclease III (EndoIII), using DNA-modified gold electrochemistry and protein film voltammetry, electrophoretic mobility shift assays, mass spectrometry of whole and trypsin-digested protein, and a variety of spectroscopies. Exposure of EndoIII to nitric oxide under anaerobic conditions transforms the [Fe4S4] cluster into a dinitrosyl iron complex, [(Cys)2Fe(NO)2]-, and Roussin's red ester, [(μ-Cys)2Fe2(NO)4], in a 1:1 ratio with an average retention of 3.05 ± 0.01 Fe per nitrosylated cluster. The formation of the dinitrosyl iron complex is consistent with previous reports, but the Roussin's red ester is an unreported product of EndoIII nitrosylation. Hyperfine sublevel correlation (HYSCORE) pulse EPR spectroscopy detects two distinct classes of NO with 14N hyperfine couplings consistent with the dinitrosyl iron complex and reduced Roussin's red ester. Whole-protein mass spectrometry of EndoIII nitrosylated with 14NO and 15NO support the assignment of a protein-bound [(μ-Cys)2Fe2(NO)4] Roussin's red ester. The [Fe4S4]2+/3+ redox couple of DNA-bound EndoIII is observable using DNA-modified gold electrochemistry, but nitrosylated EndoIII does not display observable redox activity using DNA electrochemistry on gold despite having a similar DNA-binding affinity as the native protein. However, direct electrochemistry of protein films on graphite reveals the reduction potential of native and nitrosylated EndoIII to be 127 ± 6 and -674 ± 8 mV vs NHE, respectively, corresponding to a shift of approximately -800 mV with cluster nitrosylation. Collectively, these data demonstrate that DNA-bound redox activity, and by extension DNA-mediated charge transport, is modulated by [Fe4S4] cluster nitrosylation.
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42
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Badour AR, Arnett-Butscher CJ, Mohanty DK, Squattrito PJ, Lambright KJ, Kirschbaum K. Models for potential dendritic nitric oxide donors: crystal structures of two 2-nitroanilino precursors and nitric oxide-release behavior of the nitrosated derivatives. Acta Crystallogr C Struct Chem 2018; 74:1038-1044. [PMID: 30191896 PMCID: PMC6128391 DOI: 10.1107/s2053229618011737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 08/20/2018] [Indexed: 11/10/2022] Open
Abstract
Two molecular precursors to dendrimeric materials that could serve as slow and sustained NO-releasing therapeutic agents have been synthesized and characterized. N1,N4-Bis(2-nitrophenyl)butane-1,4-diamine, C16H18N4O4, (I), crystallizes in a lattice with equal populations of two molecules of different conformations, both of which possess inversion symmetry through the central C-C bond. One molecule has exclusively anti conformations along the butyl chain, while the other has a gauche conformation of the substituents on the first C-C bond. N2,N2-Bis[2-(2-nitroanilino)ethyl]-N1-(2-nitrophenyl)ethane-1,2-diamine, C24H27N7O6, (II), crystallizes with one unique molecule in the asymmetric unit. Neighboring pairs of molecules are linked into dimers via N-H...O amine-nitro hydrogen bonds. The dimers are assembled into layers that stack in an A-B-A-B sequence such that the repeat distance in the stacking direction is over 46 Å. Molecular NO-release agents N1,N4-bis(2-nitrophenyl)-N1,N4-dinitrosobutane-1,4-diamine, C16H16N6O6, (III), and N1-(2-nitrophenyl)-N2,N2-bis{2-[(2-nitrophenyl)(nitroso)amino]ethyl}-N1-nitrosoethane-1,2-diamine, C24H24N10O9, (IV), were prepared via treatment of (I) and (II), respectively, with NaNO2 and acetic acid. The release of NO from solid-phase samples of (III) and (IV) suspended in phosphate buffer was monitored spectroscopically over a period of 21 days. Although (IV) released a greater amount of NO, as expected due to it having three NO moieties for every two in (III), the (IV):(III) ratio of the rate and extent of NO release was significantly less than 1.5:1, suggesting that some combination of electronic, chemical, and/or steric factors may be affecting the release process.
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Affiliation(s)
- Alec R. Badour
- Department of Chemistry and Biochemistry, Central Michigan University, Mount Pleasant, Michigan 48859, USA
| | - Corey J. Arnett-Butscher
- Department of Chemistry and Biochemistry, Central Michigan University, Mount Pleasant, Michigan 48859, USA
| | - Dillip K. Mohanty
- Department of Chemistry and Biochemistry, Central Michigan University, Mount Pleasant, Michigan 48859, USA
| | - Philip J. Squattrito
- Department of Chemistry and Biochemistry, Central Michigan University, Mount Pleasant, Michigan 48859, USA
| | - Kelly J. Lambright
- College of Natural Sciences and Mathematics, University of Toledo, Toledo, OH 43606, USA
| | - Kristin Kirschbaum
- College of Natural Sciences and Mathematics, University of Toledo, Toledo, OH 43606, USA
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43
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Yang L, Song Z, Wang F, Xia H, Liu H, Shu G, Lu H, Wang S, Sun G. Effects of Linoleic and Alpha-Linolenic Ratios and Concentrations on In Vitro Endothelial Cell Responses. EUR J LIPID SCI TECH 2018. [DOI: 10.1002/ejlt.201700468] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ligang Yang
- Key Laboratory of Environmental Medicine and Engineering; Ministry of Education; Department of Nutrition and Food Hygiene; School of Public Health, Southeast University; 87 Ding Jia Qiao Road Nanjing Jiangsu 210009 P. R. China
| | - Zhixiu Song
- Second Clinical Medical College; Nanjing University of Traditional Chinese Medicine; Nanjing P. R. China
| | - Feng Wang
- Key Laboratory of Environmental Medicine and Engineering; Ministry of Education; Department of Nutrition and Food Hygiene; School of Public Health, Southeast University; 87 Ding Jia Qiao Road Nanjing Jiangsu 210009 P. R. China
| | - Hui Xia
- Key Laboratory of Environmental Medicine and Engineering; Ministry of Education; Department of Nutrition and Food Hygiene; School of Public Health, Southeast University; 87 Ding Jia Qiao Road Nanjing Jiangsu 210009 P. R. China
| | - Hechun Liu
- Key Laboratory of Environmental Medicine and Engineering; Ministry of Education; Department of Nutrition and Food Hygiene; School of Public Health, Southeast University; 87 Ding Jia Qiao Road Nanjing Jiangsu 210009 P. R. China
| | - Guofang Shu
- Zhongda Hospital Affiliated; Southeast University; Nanjing P. R. China
| | - Huixia Lu
- Zhongda Hospital Affiliated; Southeast University; Nanjing P. R. China
| | - Shaokang Wang
- Key Laboratory of Environmental Medicine and Engineering; Ministry of Education; Department of Nutrition and Food Hygiene; School of Public Health, Southeast University; 87 Ding Jia Qiao Road Nanjing Jiangsu 210009 P. R. China
| | - Guiju Sun
- Key Laboratory of Environmental Medicine and Engineering; Ministry of Education; Department of Nutrition and Food Hygiene; School of Public Health, Southeast University; 87 Ding Jia Qiao Road Nanjing Jiangsu 210009 P. R. China
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44
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Perrotta C, Cervia D, Di Renzo I, Moscheni C, Bassi MT, Campana L, Martelli C, Catalani E, Giovarelli M, Zecchini S, Coazzoli M, Capobianco A, Ottobrini L, Lucignani G, Rosa P, Rovere-Querini P, De Palma C, Clementi E. Nitric Oxide Generated by Tumor-Associated Macrophages Is Responsible for Cancer Resistance to Cisplatin and Correlated With Syntaxin 4 and Acid Sphingomyelinase Inhibition. Front Immunol 2018; 9:1186. [PMID: 29896202 PMCID: PMC5987706 DOI: 10.3389/fimmu.2018.01186] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 05/14/2018] [Indexed: 12/13/2022] Open
Abstract
Tumor microenvironment is fundamental for cancer progression and chemoresistance. Among stromal cells tumor-associated macrophages (TAMs) represent the largest population of infiltrating inflammatory cells in malignant tumors, promoting their growth, invasion, and immune evasion. M2-polarized TAMs are endowed with the nitric oxide (NO)-generating enzyme inducible nitric oxide synthase (iNOS). NO has divergent effects on tumors, since it can either stimulate tumor cells growth or promote their death depending on the source of it; likewise the role of iNOS in cancer differs depending on the cell type. The role of NO generated by TAMs has not been investigated. Using different tumor models in vitro and in vivo we found that NO generated by iNOS of M2-polarized TAMs is able to protect tumor cells from apoptosis induced by the chemotherapeutic agent cisplatin (CDDP). Here, we demonstrate that the protective effect of NO depends on the inhibition of acid sphingomyelinase (A-SMase), which is activated by CDDP in a pathway involving the death receptor CD95. Mechanistic insights indicate that NO actions occur via generation of cyclic GMP and activation of protein kinase G (PKG), inducing phosphorylation of syntaxin 4 (synt4), a SNARE protein responsible for A-SMase trafficking and activation. Noteworthy, phosphorylation of synt4 at serine 78 by PKG is responsible for the proteasome-dependent degradation of synt4, which limits the CDDP-induced exposure of A-SMase to the plasma membrane of tumor cells. This inhibits the cytotoxic mechanism of CDDP reducing A-SMase-triggered apoptosis. This is the first demonstration that endogenous NO system is a key mechanism through which TAMs protect tumor cells from chemotherapeutic drug-induced apoptosis. The identification of the pathway responsible for A-SMase activity downregulation in tumors leading to chemoresistance warrants further investigations as a means to identify new anti-cancer molecules capable of specifically inhibiting synt4 degradation.
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Affiliation(s)
- Cristiana Perrotta
- Department of Biomedical and Clinical Sciences "L. Sacco", Università degli Studi di Milano, Milan, Italy
| | - Davide Cervia
- Department for Innovation in Biological, Agro-Food and Forest Systems, Università degli Studi della Tuscia, Viterbo, Italy
| | - Ilaria Di Renzo
- Department of Biomedical and Clinical Sciences "L. Sacco", Università degli Studi di Milano, Milan, Italy
| | - Claudia Moscheni
- Department of Biomedical and Clinical Sciences "L. Sacco", Università degli Studi di Milano, Milan, Italy
| | | | - Lara Campana
- Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy.,Medical Research Council Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | - Cristina Martelli
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Elisabetta Catalani
- Department for Innovation in Biological, Agro-Food and Forest Systems, Università degli Studi della Tuscia, Viterbo, Italy
| | - Matteo Giovarelli
- Department of Biomedical and Clinical Sciences "L. Sacco", Università degli Studi di Milano, Milan, Italy
| | - Silvia Zecchini
- Unit of Clinical Pharmacology, University Hospital "L. Sacco"-ASST Fatebenefratelli Sacco, Department of Biomedical and Clinical Sciences, CNR-Institute of Neuroscience, Università degli Studi di Milano, Milan, Italy
| | - Marco Coazzoli
- Department of Biomedical and Clinical Sciences "L. Sacco", Università degli Studi di Milano, Milan, Italy
| | - Annalisa Capobianco
- Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy
| | - Luisa Ottobrini
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy.,CNR-Institute for Molecular Bioimaging and Physiology, Milan, Italy
| | - Giovanni Lucignani
- Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Patrizia Rosa
- Department of Medical Biotechnologies and Translational Medicine Pharmacology, CNR-Institute of Neuroscience, Università degli Studi di Milano, Milan, Italy
| | - Patrizia Rovere-Querini
- Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy.,Università Vita-Salute San Raffaele, Milan, Italy
| | - Clara De Palma
- Unit of Clinical Pharmacology, University Hospital "L. Sacco"-ASST Fatebenefratelli Sacco, Department of Biomedical and Clinical Sciences, CNR-Institute of Neuroscience, Università degli Studi di Milano, Milan, Italy
| | - Emilio Clementi
- "Eugenio Medea" Scientific Institute, Bosisio Parini, Italy.,Unit of Clinical Pharmacology, University Hospital "L. Sacco"-ASST Fatebenefratelli Sacco, Department of Biomedical and Clinical Sciences, CNR-Institute of Neuroscience, Università degli Studi di Milano, Milan, Italy
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45
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Bergin DH, Jing Y, Mockett BG, Zhang H, Abraham WC, Liu P. Altered plasma arginine metabolome precedes behavioural and brain arginine metabolomic profile changes in the APPswe/PS1ΔE9 mouse model of Alzheimer's disease. Transl Psychiatry 2018; 8:108. [PMID: 29802260 PMCID: PMC5970225 DOI: 10.1038/s41398-018-0149-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Revised: 02/21/2018] [Accepted: 04/04/2018] [Indexed: 11/09/2022] Open
Abstract
While amyloid-beta (Aβ) peptides play a central role in the development of Alzheimer's disease (AD), recent evidence also implicates altered metabolism of L-arginine in the pathogenesis of AD. The present study systematically investigated how behavioural function and the brain and plasma arginine metabolic profiles changed in a chronic Aβ accumulation model using male APPswe/PS1ΔE9 transgenic (Tg) mice at 7 and 13 months of age. As compared to their wild-type (WT) littermates, Tg mice displayed age-related deficits in spatial water maze tasks and alterations in brain arginine metabolism. Interestingly, the plasma arginine metabolic profile was markedly altered in 7-month Tg mice prior to major behavioural impairment. Receiver operating characteristic curve analysis revealed that plasma putrescine and spermine significantly differentiated between Tg and WT mice. These results demonstrate the parallel development of altered brain arginine metabolism and behavioural deficits in Tg mice. The altered plasma arginine metabolic profile that preceded the behavioural and brain profile changes suggests that there may be merit in an arginine-centric set of ante-mortem biomarkers for AD.
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Affiliation(s)
- D H Bergin
- Department of Anatomy, University of Otago, Dunedin, New Zealand
- School of Pharmacy, University of Otago, Dunedin, New Zealand
- Brain Research New Zealand and Brain Health Research Centre, University of Otago, Dunedin, New Zealand
| | - Y Jing
- Department of Anatomy, University of Otago, Dunedin, New Zealand
- Brain Research New Zealand and Brain Health Research Centre, University of Otago, Dunedin, New Zealand
| | - B G Mockett
- Brain Research New Zealand and Brain Health Research Centre, University of Otago, Dunedin, New Zealand
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - H Zhang
- School of Pharmacy, University of Otago, Dunedin, New Zealand
- Brain Research New Zealand and Brain Health Research Centre, University of Otago, Dunedin, New Zealand
| | - W C Abraham
- Brain Research New Zealand and Brain Health Research Centre, University of Otago, Dunedin, New Zealand
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - P Liu
- Department of Anatomy, University of Otago, Dunedin, New Zealand.
- Brain Research New Zealand and Brain Health Research Centre, University of Otago, Dunedin, New Zealand.
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Gielis JF, Quirynen L, Briedé JJ, Roelant E, Cos P, Van Schil PEY. Pathogenetic role of endothelial nitric oxide synthase uncoupling during lung ischaemia-reperfusion injury. Eur J Cardiothorac Surg 2018; 52:256-263. [PMID: 28481990 DOI: 10.1093/ejcts/ezx125] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Accepted: 03/21/2017] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVES Ischaemia-reperfusion injury is a necessary part of organ transplantation and a key determinant of both acute and chronic graft failure. We have assessed the contribution of endothelial nitric oxide synthase (eNOS) and eNOS uncoupling to oxidative and nitrosative stress formation during lung ischaemia-reperfusion injury dependent on ischaemia time. METHODS Forty eNOS wild-type mice (eNOS +/+ ) and 40 eNOS knock-out mice (eNOS -/- ) received either a sham thoracotomy or 60 or 90 min of ischaemia, followed by 0, 1 or 24 h of reperfusion. Lung tissue was analysed with electron spin resonance for NO production and reactive oxygen species content. Protein nitrosation, eNOS and eNOS uncoupling were determined using western blotting. In peripheral blood, arterial blood gases were taken and reactive oxygen species content was determined. RESULTS eNOS +/+ mice had lower reactive oxygen species production in their peripheral circulation but worse blood gas values after 1 h of reperfusion. Lung tissue of eNOS -/- mice showed lower reactive oxygen species and NO production and lower protein nitrosation compared with wild-type mice. Longer ischaemia times result in more elaborate oxidative and nitrosative stress dependent on eNOS genotype. Structural eNOS uncoupling was present after 60 min of ischaemia but diminished after 90 min of ischaemia. CONCLUSIONS eNOS uncoupling may contribute to lung ischaemia-reperfusion injury and inflammation. This ultimately leads to worse clinical outcome. Stabilizing eNOS may therefore be a new approach to extend pulmonary graft survival.
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Affiliation(s)
- Jan F Gielis
- Department of Thoracic Surgery, Antwerp University, Antwerp, Belgium.,Laboratory for Microbiology, Parasitology and Hygiene, Antwerp University, Antwerp, Belgium
| | - Laurent Quirynen
- Laboratory for Microbiology, Parasitology and Hygiene, Antwerp University, Antwerp, Belgium
| | - Jacob J Briedé
- Department of Toxicogenomics, Maastricht University, Maastricht, Netherlands
| | - Ella Roelant
- StatUA Core Facility, Antwerp University, Antwerp, Belgium
| | - Paul Cos
- Laboratory for Microbiology, Parasitology and Hygiene, Antwerp University, Antwerp, Belgium
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47
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Pal HA, Singh A, Sheikh PA, Panjla A, Kumar A, Verma S. Peptide-Based Scaffold for Nitric Oxide Induced Differentiation of Neuroblastoma Cells. Chembiochem 2018; 19:1127-1131. [PMID: 29600533 DOI: 10.1002/cbic.201800065] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Indexed: 01/01/2023]
Abstract
Nitric oxide is a gaseous messenger involved in neuronal differentiation, development and synaptogenesis, in addition to many other physiological functions. Therefore, it is imperative to maintain an optimal nitric oxide concentration to ensure its biochemical function. A sustained nitric oxide releasing scaffold, which supports neuronal cell differentiation, as determined by morphometric analysis of neurite outgrowth, is described. Moreover, the effect of nitric oxide on the neuroblastoma cell line was also confirmed by immunofluorescent analysis of neuronal nuclear protein (NeuN), specific neuronal marker and neurofilament (NF) protein, which revealed a significant increase in their expression levels, in comparison with undifferentiated cells.
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Affiliation(s)
- Hilal Ahmad Pal
- Department of Chemistry, Centre for Nanoscience, and Centre for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur, UP, 208016, India
| | - Anamika Singh
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur, UP, 208016, India
| | - Parvaiz A Sheikh
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur, UP, 208016, India
| | - Apurva Panjla
- Department of Chemistry, Centre for Nanoscience, and Centre for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur, UP, 208016, India
| | - Ashok Kumar
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur, UP, 208016, India
| | - Sandeep Verma
- Department of Chemistry, Centre for Nanoscience, and Centre for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur, UP, 208016, India
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48
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Seabra AB, Durán N. Nitric oxide donors for prostate and bladder cancers: Current state and challenges. Eur J Pharmacol 2018; 826:158-168. [PMID: 29501865 DOI: 10.1016/j.ejphar.2018.02.040] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 02/26/2018] [Accepted: 02/27/2018] [Indexed: 12/27/2022]
Abstract
Nitric oxide (NO) is an endogenous molecule that plays pivotal physiological and pathophysiological roles, particularly in cancer biology. Generally, low concentrations of NO (pico- to nanomolar range) lead to tumor promotion. In contrast, high NO concentrations (micromolar range) have pro-apoptotic functions, leading to tumor suppression, and in this case, NO is involved in immune surveillance. Under oxidative stress, inducible NO synthase (iNOS) produces high NO concentrations for antineoplastic activities. Prostate and bladder cancers are the most commonly detected cancers in men, and are related to cancer death in males. This review summarizes the state of the art of NO/NO donors in combating prostate and bladder cancers, highlighting the importance of NO donors in cancer treatment, and the limitations and challenges to be overcome. In addition, the combination of NO donors with classical therapies (radio- or chemotherapy) in the treatment of prostate and bladder cancers is also presented and discussed. The combination of NO donors with conventional anticancer drugs is reported to inhibit tumor growth, since NO is able to sensitize tumor cells, enhancing the efficacy of the traditional drugs. Although important progress has been made, more studies are still necessary to definitely translate the administration of NO donors to clinical sets. The purpose of this review is to inspire new avenues in this topic.
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Affiliation(s)
- Amedea B Seabra
- Center for Natural and Human Sciences, Universidade Federal do ABC, Santo André, SP, Brazil; NanoBioss Lab., Chemistry Institute, Universidade Estadual de Campinas, Campinas, SP, Brazil; Nanomedicine Research Unit (NANOMED), Universidade Federal do ABC, Santo André, SP, Brazil.
| | - Nelson Durán
- Center for Natural and Human Sciences, Universidade Federal do ABC, Santo André, SP, Brazil; NanoBioss Lab., Chemistry Institute, Universidade Estadual de Campinas, Campinas, SP, Brazil; Nanomedicine Research Unit (NANOMED), Universidade Federal do ABC, Santo André, SP, Brazil; Chemistry Institute, Biol. Chem. Lab., Universidade Estadual de Campinas, CP 6154, CEP 13083-970, Campinas, SP, Brazil
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Huang Z, Wu J, Zou Y, Yuan H, Zhang Y, Fei Y, Bhardwaj A, Kaur J, Knaus EE, Zhang Y. Glutathione S-Transferase π-Activatable O2-(Sulfonylethyl Derived) Diazeniumdiolates Potently Suppress Melanoma in Vitro and in Vivo. J Med Chem 2018; 61:1833-1844. [DOI: 10.1021/acs.jmedchem.7b01178] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Zhangjian Huang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China
| | - Jianbing Wu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China
| | - Yu Zou
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China
| | - Haoliang Yuan
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China
| | - Yinqiu Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China
| | - Yue Fei
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China
| | - Atul Bhardwaj
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
| | - Jatinder Kaur
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
| | - Edward E. Knaus
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
| | - Yihua Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China
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50
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Jeong H, Park K, Yoo JC, Hong J. Structural heterogeneity in polymeric nitric oxide donor nanoblended coatings for controlled release behaviors. RSC Adv 2018; 8:38792-38800. [PMID: 35558288 PMCID: PMC9090654 DOI: 10.1039/c8ra07707j] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 11/05/2018] [Indexed: 12/24/2022] Open
Abstract
Controlled nitric oxide (NO) delivery based on the heterogeneity of polymeric coating structures for local NO treatment.
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Affiliation(s)
- Hyejoong Jeong
- Department of Chemical and Biomolecular Engineering
- Yonsei University
- Seoul 03722
- Republic of Korea
| | - Kyungtae Park
- Department of Chemical and Biomolecular Engineering
- Yonsei University
- Seoul 03722
- Republic of Korea
| | - Jae-Chan Yoo
- Biotechnology Research Center
- JCBIO Co., LTD
- Avison Biomedical Research Center (ABMAC)
- Yonsei University
- Seoul 03722
| | - Jinkee Hong
- Department of Chemical and Biomolecular Engineering
- Yonsei University
- Seoul 03722
- Republic of Korea
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