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Thammasart S, Namchaiw P, Pasuwat K, Tonsomboon K, Khantachawana A. Attenuation Aβ1-42-induced neurotoxicity in neuronal cell by 660nm and 810nm LED light irradiation. PLoS One 2023; 18:e0283976. [PMID: 37478089 PMCID: PMC10361470 DOI: 10.1371/journal.pone.0283976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 03/21/2023] [Indexed: 07/23/2023] Open
Abstract
Oligomeric amyloid-β 1-42 (Aβ1-42) has a close correlation with neurodegenerative disorder especially Alzheimer's disease (AD). It induces oxidative stress and mitochondrial damage in neurons. Therefore, it is used to generate AD-like in vitro model for studying neurotoxicity and neuroprotection against amyloid-β. A low-level light therapy (LLLT) is a non-invasive method that has been used to treat several neurodegenerative disorders. In this study, the red wavelength (660nm) and near infrared wavelength (810nm) at energy densities of 1, 3, and 5 J/cm2 were used to modulate biochemical processes in the neural cells. The exposure of Aβ1-42 resulted in cell death, increased intracellular reactive oxygen species (ROS), and retracted neurite outgrowth. We showed that both of LLLT wavelengths could protect neurons form Aβ1-42-induced neurotoxicity in a biphasic manner. The treatment of LLLT at 3 J/cm2 potentially alleviated cell death and recovered neurite outgrowth. In addition, the treatment of LLLT following Aβ1-42 exposure could attenuate the intracellular ROS generation and Ca2+ influx. Interestingly, both wavelengths could induce minimal level of ROS generation. However, they did not affect cell viability. In addition, LLLT also stimulated Ca2+ influx, but not altered mitochondrial membrane potential. This finding indicated LLLT may protect neurons through the stimulation of secondary signaling messengers such as ROS and Ca2+. The increase of these secondary messengers was in a functional level and did not harmful to the cells. These results suggested the use of LLLT as a tool to modulate the neuronal toxicity following Aβ1-42 accumulation in AD's brain.
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Affiliation(s)
- Siriluk Thammasart
- Biological Engineering Program, Faculty of Engineering, King Mongkut's University of Technology Thonburi (KMUTT), Thung Kru, Bangkok, Thailand
| | - Poommaree Namchaiw
- Biological Engineering Program, Faculty of Engineering, King Mongkut's University of Technology Thonburi (KMUTT), Thung Kru, Bangkok, Thailand
- Neuroscience Center for Research and Innovation, Learning Institute, King Mongkut's University of Technology Thonburi (KMUTT), Thung Kru, Bangkok, Thailand
| | - Kwanchanok Pasuwat
- Biological Engineering Program, Faculty of Engineering, King Mongkut's University of Technology Thonburi (KMUTT), Thung Kru, Bangkok, Thailand
- Department of Chemical Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi (KMUTT), Thung Kru, Bangkok, Thailand
| | - Khaow Tonsomboon
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | - Anak Khantachawana
- Biological Engineering Program, Faculty of Engineering, King Mongkut's University of Technology Thonburi (KMUTT), Thung Kru, Bangkok, Thailand
- Department of Mechanical Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi (KMUTT), Thung Kru, Bangkok, Thailand
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Cui G, Liu Y, Zu D, Zhao X, Zhang Z, Kim DY, Senaratne P, Fox A, Sept D, Park Y, Lee SE. Phase intensity nanoscope (PINE) opens long-time investigation windows of living matter. Nat Commun 2023; 14:4318. [PMID: 37463892 DOI: 10.1038/s41467-023-39624-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 06/19/2023] [Indexed: 07/20/2023] Open
Abstract
Fundamental to all living organisms and living soft matter are emergent processes in which the reorganization of individual constituents at the nanoscale drives group-level movements and shape changes at the macroscale over time. However, light-induced degradation of fluorophores, photobleaching, is a significant problem in extended bioimaging in life science. Here, we report opening a long-time investigation window by nonbleaching phase intensity nanoscope: PINE. We accomplish phase-intensity separation such that nanoprobe distributions are distinguished by an integrated phase-intensity multilayer thin film (polyvinyl alcohol/liquid crystal). We overcame a physical limit to resolve sub-10 nm cellular architectures, and achieve the first dynamic imaging of nanoscopic reorganization over 250 h using PINE. We discover nanoscopic rearrangements synchronized with the emergence of group-level movements and shape changes at the macroscale according to a set of interaction rules with importance in cellular and soft matter reorganization, self-organization, and pattern formation.
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Affiliation(s)
- Guangjie Cui
- Department of Electrical & Computer Engineering, Biomedical Engineering, Applied Physics, Biointerfaces Institute, Macromolecular Science & Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Yunbo Liu
- Department of Electrical & Computer Engineering, Biomedical Engineering, Applied Physics, Biointerfaces Institute, Macromolecular Science & Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Di Zu
- Department of Electrical & Computer Engineering, Biomedical Engineering, Applied Physics, Biointerfaces Institute, Macromolecular Science & Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Xintao Zhao
- Department of Electrical & Computer Engineering, Biomedical Engineering, Applied Physics, Biointerfaces Institute, Macromolecular Science & Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Zhijia Zhang
- Department of Electrical & Computer Engineering, Biomedical Engineering, Applied Physics, Biointerfaces Institute, Macromolecular Science & Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Do Young Kim
- Department of Electrical & Computer Engineering, Biomedical Engineering, Applied Physics, Biointerfaces Institute, Macromolecular Science & Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Pramith Senaratne
- Department of Electrical & Computer Engineering, Biomedical Engineering, Applied Physics, Biointerfaces Institute, Macromolecular Science & Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Aaron Fox
- Department of Electrical & Computer Engineering, Biomedical Engineering, Applied Physics, Biointerfaces Institute, Macromolecular Science & Engineering, University of Michigan, Ann Arbor, MI, USA
| | - David Sept
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Younggeun Park
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Somin Eunice Lee
- Department of Electrical & Computer Engineering, Biomedical Engineering, Applied Physics, Biointerfaces Institute, Macromolecular Science & Engineering, University of Michigan, Ann Arbor, MI, USA.
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Recent Advances in Stimuli-Responsive Doxorubicin Delivery Systems for Liver Cancer Therapy. Polymers (Basel) 2022; 14:polym14235249. [PMID: 36501642 PMCID: PMC9738136 DOI: 10.3390/polym14235249] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/21/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022] Open
Abstract
Doxorubicin (DOX) is one of the most commonly used drugs in liver cancer. Unfortunately, the traditional chemotherapy with DOX presents many limitations, such as a systematic release of DOX, affecting both tumor tissue and healthy tissue, leading to the apparition of many side effects, multidrug resistance (MDR), and poor water solubility. Furthermore, drug delivery systems' responsiveness has been intensively studied according to the influence of different internal and external stimuli on the efficiency of therapeutic drugs. In this review, we discuss both internal stimuli-responsive drug-delivery systems, such as redox, pH and temperature variation, and external stimuli-responsive drug-delivery systems, such as the application of magnetic, photo-thermal, and electrical stimuli, for the controlled release of Doxorubicin in liver cancer therapy, along with the future perspectives of these smart delivery systems in liver cancer therapy.
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Park Y, Yoon HJ, Lee SE, Lee LP. Multifunctional Cellular Targeting, Molecular Delivery, and Imaging by Integrated Mesoporous-Silica with Optical Nanocrescent Antenna: MONA. ACS NANO 2022; 16:2013-2023. [PMID: 35041396 DOI: 10.1021/acsnano.1c07015] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Multifunctional nanoprobes have attracted significant attention in a wide range of disciplines such as nanomedicine, precision medicine, and cancer diagnosis and treatment. However, integrating multifunctional ability in a nanoscale structure to precisely target, image, and deliver with cellular spatial/temporal resolution is still challenging in cellulo applications. This is because the development of such high-precision resolution needs to be carried out without labeling, photobleaching, and structurally segregating live cells. In this study, we present an integrated nanostructure of a mesoporous-silica nanosphere with an optical nanocrescent antenna (MONA) for multifunctional cellular targeting, drug delivery, and molecular imaging with spatiotemporal resolution. MONA comprises a systematically constructed Au nanocrescent (AuNC) antenna as a nanosensor and optical switch on a mesoporous-silica nanosphere as a cargo to molecular delivery. MONA made of antiepithelial cell adhesion molecules (anti-EpCAM)-conjugated AuNC facilitates the specific targeting of breast cancer cells, resulting in a highly focused photothermal gradient that functions as a molecular emitter. This light-driven molecular, doxorubicin (DOX) delivery function allows rapid apoptosis of breast cancer cells. Since MONA permits the tracking of quantum biological electron-transfer processes, in addition to its role as an on-demand optical switch, it enables the monitoring of the dynamic behavior of cellular cytochrome c pivoting cell apoptosis in response to the DOX delivery. Owing to the integrated functions of molecular actuation and direct sensing at the precisely targeted spot afforded by MONA, we anticipate that this multifunctional optical nanoantenna structure will have an impact in the fields of nanomedicine, cancer theranostics, and basic life sciences.
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Affiliation(s)
- Younggeun Park
- Department of Bioengineering and Biomolecular Nanotechnology Center, Berkeley Sensor and Actuator Center and University of California, Berkeley, California 94720, United States
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Hyeun Joong Yoon
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Somin Eunice Lee
- Department of Electrical & Computer Engineering, Department of Biomedical Engineering, Applied Physics, Biointerfaces Institute, Macromolecular Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Luke P Lee
- Department of Bioengineering and Biomolecular Nanotechnology Center, Berkeley Sensor and Actuator Center and University of California, Berkeley, California 94720, United States
- Department of Electrical Engineering and Computer Science, University of California, Berkeley, California 94720, United States
- Harvard Institute of Medicine, Harvard Medical School, Department of Medicine, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts 02115 United States
- Institute of Quantum Biophysics, Department of Biophysics, Sungkyunkwan University, Suwon 16419, Korea
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He C, Zhou Y, Lin X, Duan N, Wang Z, Wu S. Deoxynivalenol-induced cell apoptosis monitoring using a cytochrome c-specific fluorescent probe based on a photoinduced electron transfer reaction. JOURNAL OF HAZARDOUS MATERIALS 2021; 415:125638. [PMID: 33756194 DOI: 10.1016/j.jhazmat.2021.125638] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 02/25/2021] [Accepted: 03/09/2021] [Indexed: 06/12/2023]
Abstract
Deoxynivalenol (DON) is considered a mycotoxin that is toxic to the agricultural environment and human body. It is necessary to study the pathophysiological mechanism of DON toxicity at the cellular level. Cytochrome c (Cyt c), as an important biomarker of DON-induced apoptosis that may lead to a bipartite 'point-of-no return' event, is of great significance to be detected using cell imaging. Herein, we synthesized a DON-deactivated emission fluorescent probe, the molecularly imprinted polymer-coated quantum dots (CdTe@MIP), for monitoring the Cyt c level with a photoinduced electron transfer strategy. The CdTe@MIP probe can be easily loaded into cells and perform well due to its great sensitivity and selectivity and its fluorescence was gradually quenched with the increasing concentration (0-10 μM) and incubation time (0-7.5 h) of DON. Cell imaging results of apoptosis induced by DON was consistent with that of the cell counting kit-8 assay and flow cytometry technique. The developed method can be used to monitor DON-induced apoptosis and provide an early-warning system for the contaminant toxicity.
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Affiliation(s)
- Chuxian He
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - You Zhou
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xianfeng Lin
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Nuo Duan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Shijia Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China.
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Job JT, Rajagopal R, Alfarhan A, Narayanankutty A. Borassus flabellifer Linn haustorium methanol extract mitigates fluoride-induced apoptosis by enhancing Nrf2/Haeme oxygenase 1 -dependent glutathione metabolism in intestinal epithelial cells. Drug Chem Toxicol 2021; 45:2269-2275. [PMID: 34000941 DOI: 10.1080/01480545.2021.1926476] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Fluoride is the most common cause of drinking water-associated toxicity and is known to induce various metabolic imbalances and dental/skeletal fluorosis. The present study analyzed the protective effect of Borassus flabellifer Linn. haustorium extract (BHE) against fluoride-induced intestinal redox metabolism and apoptosis. The total polyphenols and total flavonoids present in BHE were estimated to be 39.67 ± 5.14 mg gallic acid equivalent/g extract and 8.59 ± 0.74 mg quercetin equivalent. In cultured intestinal epithelial cells (IEC-6), sodium fluoride exposure-induced apoptosis mediated through antioxidant enzyme inhibition and subsequent oxidative damages. Further, there observed an increased expression of caspase-3, caspase-7, and apoptotic protease activating factor-1 (apaf-1) genes, increased cytochrome C release, and caspase 3/7 activity indicating the apoptosis- mediated cell death (p < 0.05). Upon pretreatment with BHE, the cytotoxic effect of fluoride was reduced by decreasing the expression of apoptotic genes and increased the cytochrome release as well as caspase 3/7 activity (p < 0.01). Providing the mechanistic basis, the expression of nuclear factor erythroid 2-related factor-2 (Nrf2)/haeme oxygenase-1 (HO1) gene was increased in the BHE pretreated cells; corroborating to these, there observed increased activity of glutathione biosynthetic enzymes (p < 0.05) and glutathione reductase. Hence, the protective effect of BHE may be mediated through Nrf2-mediated glutathione biosynthesis, the subsequent establishment of redox balance, and inhibition of apoptosis in intestinal epithelial cells.
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Affiliation(s)
- Joice Tom Job
- Division of Cell and Molecular Biology, Post Graduate & Research Department of Zoology, St. Joseph's College (Autonomous), Devagiri, Calicut, India
| | - Rajakrishnan Rajagopal
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed Alfarhan
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Arunaksharan Narayanankutty
- Division of Cell and Molecular Biology, Post Graduate & Research Department of Zoology, St. Joseph's College (Autonomous), Devagiri, Calicut, India
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7
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Liu G, Liang H, He Y, Lu L, Wang L, Liu P, Cai K. A nanoplatform based on mesoporous silica-coated gold nanorods for cancer triplex therapy. J Mater Chem B 2021; 8:9686-9696. [PMID: 33030156 DOI: 10.1039/d0tb01707h] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
To enhance the efficacy of nanoparticle-based cancer therapy with reduced side effects and promote its clinical translation, a biocompatible nanocomposite based on mesoporous silica-coated gold nanorods (AuNR@MSN) for triple tumor therapy is reported in this study. The gold core served as a hyperthermia agent, while the MSN shell acted as a reservoir of chemotherapeutics owing to its excellent loading capacity. Cytochrome c with the apoptosis inducing function was anchored on the surface of AuNR@MSN to prevent drug leakage through redox-responsive disulfide bonds. The successful construction of a nanocomposite was confirmed by characterization of the physicochemical properties. In vitro and in vivo studies demonstrated that the nanocomposite displayed an optimizing anti-tumor effect with a synergistic strategy of excellent photothermal therapy, chemotherapy and protein therapy. Therefore, this cooperative strategy paves the way for high-efficiency oncotherapy with reduced side effects.
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Affiliation(s)
- Genhua Liu
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
| | - Huining Liang
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
| | - Ye He
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
| | - Lu Lu
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
| | - Lu Wang
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
| | - Peng Liu
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
| | - Kaiyong Cai
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
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9
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Quantum biological tunnel junction for electron transfer imaging in live cells. Nat Commun 2019; 10:3245. [PMID: 31324797 PMCID: PMC6642182 DOI: 10.1038/s41467-019-11212-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 06/25/2019] [Indexed: 01/22/2023] Open
Abstract
Quantum biological electron transfer (ET) essentially involves in virtually all important biological processes such as photosynthesis, cellular respiration, DNA repair, cellular homeostasis, and cell death. However, there is no real-time imaging method to capture biological electron tunnelling in live cells to date. Here, we report a quantum biological electron tunnelling (QBET) junction and its application in real-time optical detection of QBET and the dynamics of ET in mitochondrial cytochrome c during cell life and death process. QBET junctions permit to see the behaviours of electron tunnelling through barrier molecules with different barrier widths. Using QBET spectroscopy, we optically capture real-time ET in cytochrome c redox dynamics during cellular apoptosis and necrosis in living cells. The non-invasive real-time QBET spectroscopic imaging of ET in live cell open a new era in life sciences and medicine by providing a way to capture spatiotemporal ET dynamics and to reveal the quantum biological mechanisms. Although quantum biological electron transfer is important in many biological processes, imaging of the events in live cells has remained challenging. Here, the authors demonstrate real-time optical detection of quantum biological electron tunnelling between nanoparticles and cytochrome c inside living cells.
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Su L, Yang JF, Fu X, Dong L, Zhou DY, Sun LM, Gong Z. Ultraviolet-Ray-Induced Sea Cucumber (Stichopus japonicus) Melting Is Mediated by the Caspase-Dependent Mitochondrial Apoptotic Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:45-52. [PMID: 29232945 DOI: 10.1021/acs.jafc.7b03888] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Sea cucumber body-wall melting occurs under certain circumstances. We have shown that apoptosis but not autolysis plays a critical role in the initial stage. However, it is still unclear how apoptosis is triggered in this process. In this study, we examined the levels of reactive oxygen species (ROS), the levels of B-cell lymphoma 2 (Bcl-2) and Bcl-2-associated X (Bax) proteins, the depolarization of mitochondrial transmembrane potentials, and cytochrome c (Cyt c) release during sea cucumber melting induced by ultraviolet (UV) exposure. We also investigated the contribution of caspase in this process by injecting a pan-caspase inhibitor. Our data showed that UV exposure stimulates ROS production, dysfunction of mitochondria, and the release of Cyt c in sea cucumber coelomic fluid cells and body walls. We found a decrease of Bcl-2 and increase of Bax in the mitochondria after UV exposure. We also demonstrated that these changes are associated with elevated caspase-9 and -3 activity. Finally, our data showed that the inhibition of caspases-9 and -3 using an inhibitor suppresses UV-induced sea cucumber melting. These results suggest that apoptosis during sea cucumber melting is mediated by mitochondrial dysfunction and follows the activation of the caspase-signaling pathway. This study presents a novel insight into the mechanism of sea cucumber melting.
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Affiliation(s)
- Li Su
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood , Number 1 Qinggongyuan, Ganjingzi District, Dalian 116034, P. R. China
| | - Jing-Feng Yang
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood , Number 1 Qinggongyuan, Ganjingzi District, Dalian 116034, P. R. China
| | - Xi Fu
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood , Number 1 Qinggongyuan, Ganjingzi District, Dalian 116034, P. R. China
| | - Liang Dong
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood , Number 1 Qinggongyuan, Ganjingzi District, Dalian 116034, P. R. China
| | - Da-Yong Zhou
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood , Number 1 Qinggongyuan, Ganjingzi District, Dalian 116034, P. R. China
| | - Li-Ming Sun
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood , Number 1 Qinggongyuan, Ganjingzi District, Dalian 116034, P. R. China
| | - Zhenwei Gong
- Division of Pediatric Endocrinology, Department of Pediatrics, Children's Hospital of Pittsburgh of the University of Pittsburgh Medical Center, University of Pittsburgh School of Medicine , 4401 Penn Avenue, Pittsburgh, Pennsylvania 15224, United States
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Kim TH, Lee D, Choi JW. Live cell biosensing platforms using graphene-based hybrid nanomaterials. Biosens Bioelectron 2017; 94:485-499. [DOI: 10.1016/j.bios.2017.03.032] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 03/01/2017] [Accepted: 03/14/2017] [Indexed: 12/12/2022]
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Protective Effects of Wogonin against Alzheimer's Disease by Inhibition of Amyloidogenic Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 2017:3545169. [PMID: 28680449 PMCID: PMC5478820 DOI: 10.1155/2017/3545169] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 03/15/2017] [Accepted: 04/12/2017] [Indexed: 11/17/2022]
Abstract
One of the pathogenic systems of Alzheimer's disease (AD) is the formation of β-amyloid plaques in the brains of patients, and amyloidogenic activity becomes one of the therapeutic targets. Here, we report wogonin, one of the major active constituting components in Scutellaria baicalensis, which has the neuroprotective effects on amyloid-β peptides- (Aβ-) induced toxicity. Oral wogonin treatment improved the performance of triple transgenic AD mice (h-APPswe, h-Tau P301L, and h-PS1 M146V) on the Morris water maze, Y-maze, and novel object recognition. Furthermore, wogonin activated the neurite outgrowth of AD cells by increasing neurite length and complexity of Tet-On Aβ42-GFP SH-SY5Y neuroblastoma cells (AD cells) and attenuated amyloidogenic pathway by decreasing the levels of β-secretase, APP β-C-terminal fragment, Aβ-aggregation, and phosphorylated Tau. Wogonin also increased mitochondrial membrane potential (∆ψm) and protected against apoptosis by reducing the expression of Bax and cleaved PARP. Collectively, these results conclude that wogonin may be a promising multifunctional drug candidate for AD.
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Huang L, Zhang Q, Dai L, Shen X, Chen W, Cai K. Phenylboronic acid-modified hollow silica nanoparticles for dual-responsive delivery of doxorubicin for targeted tumor therapy. Regen Biomater 2017; 4:111-124. [PMID: 30792886 PMCID: PMC6371689 DOI: 10.1093/rb/rbw045] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 11/22/2016] [Accepted: 12/03/2016] [Indexed: 01/01/2023] Open
Abstract
This work reports a multifunctional nanocarrier based on hollow mesoporous silica nanoparticles (HMSNs) for targeting tumor therapy. Doxorubicin (DOX) was loaded into HMSNs and blocked with cytochrome C conjugated lactobionic acid (CytC-LA) via redox-cleavable disulfide bonds and pH-disassociation boronate ester bonds as intermediate linkers. The CytC-LA was used both as sealing agent and targeting motif. A series of characterizations demonstrated the successful construction of the drug delivery system. The system demonstrated pH and redox dual-responsive drug release behavior in vitro. The DOX loading HMSNs system displayed a good biocompatibility, which could be specifically endocytosed by HepG2 cells and led to high cytotoxicity against tumor cells by inducing cell apoptosis. In vivo data (tumor volume, tumor weight, terminal deoxynucleotidyl transferase dUTP nick end labeling and hematoxylin and eosin staining) proved that the system could deliver DOX to tumor site with high efficiency and inhibit tumor growth with minimal toxic side effect.
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Affiliation(s)
| | | | | | | | | | - Kaiyong Cai
- Key Laboratory of Biorheological Science and Technology, Ministry of Education College of Bioengineering, Chongqing University, Chongqing 400044, P. R. China
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