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Sadeghsoltani F, Avci ÇB, Hassanpour P, Haiaty S, Rahmati M, Mota A, Rahbarghazi R, Nemati M, Mahdipour M, Talebi M, Takanlou LS, Takanlou MS, Mehdizadeh A. Autophagy modulation effect on homotypic transfer of intracellular components via tunneling nanotubes in mesenchymal stem cells. Stem Cell Res Ther 2024; 15:189. [PMID: 38956646 PMCID: PMC11218273 DOI: 10.1186/s13287-024-03813-1] [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: 04/26/2024] [Accepted: 06/23/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND Recent studies have proved the role of autophagy in mesenchymal stem cell (MSCs) function and regenerative properties. How and by which mechanism autophagy modulation can affect the juxtacrine interaction of MSCs should be addressed. Here, the role of autophagy was investigated in the formation of tunneling nanotubes (TNTs) and homotypic mitochondrial donation. METHODS MSCs were incubated with 15 µM Metformin (Met) and/or 3 µM 3-methyladenine (3-MA) for 48 h. The formation of TNTs was assessed using bright-field and SEM images. The mitochondria density and ΔΨ values were monitored using flow cytometry analysis. Using RT-PCR and protein array, the close interaction and shared mediators between autophagy, apoptosis, and Wnt signaling pathways were also monitored. The total fatty acid profile was assessed using gas chromatography. RESULT Data indicated the increase of TNT length and number, along with other cell projections after the induction of autophagy while these features were blunted in 3-MA-treated MSCs (p < 0.05). Western blotting revealed the significant reduction of Rab8 and p-FAK in 3-MA-treated MSCs (p < 0.05), indicating the inhibition of TNT assembly and vesicle transport. Likewise, the stimulation of autophagy increased autophagic flux and mitochondrial membrane integrity compared to 3-MA-treated MSCs. Despite these findings, protein levels of mitochondrial membrane Miro1 and 2 were unchanged after autophagy inhibition/stimulation (p > 0.05). We found that the inhibition/stimulation of autophagy can affect the protein, and transcription levels of several mediators related to Wnt and apoptosis signaling pathways involved in different cell bioactivities. Data confirmed the profound increase of mono and polyunsaturated/saturated fatty acid ratio in MSCs exposed to autophagy stimulator. CONCLUSIONS In summary, autophagy modulation could affect TNT formation which is required for homotypic mitochondrial donation. Thus, the modulation of autophagy creates a promising perspective to increase the efficiency of cell-based therapies.
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Affiliation(s)
- Fatemeh Sadeghsoltani
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166614766, Iran
| | - Çığır Biray Avci
- Department of Medical Biology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Parisa Hassanpour
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166614766, Iran
| | - Sanya Haiaty
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohamad Rahmati
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166614766, Iran
| | - Ali Mota
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166614766, Iran.
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, 5166653431, Iran.
| | - Maryam Nemati
- Department of Genetic, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Mahdi Mahdipour
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Talebi
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | | | - Amir Mehdizadeh
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Goyani S, Shinde A, Shukla S, Saranga MV, Currim F, Mane M, Singh J, Roy M, Gohel D, Chandak N, Vasiyani H, Singh R. Enhanced translocation of TRIM32 to mitochondria sensitizes dopaminergic neuronal cells to apoptosis during stress conditions in Parkinson's disease. FEBS J 2024; 291:2636-2655. [PMID: 38317520 DOI: 10.1111/febs.17065] [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: 06/21/2023] [Revised: 11/29/2023] [Accepted: 01/16/2024] [Indexed: 02/07/2024]
Abstract
Parkinson's disease (PD) is a chronic neurodegenerative disease characterized by progressive loss of dopamine-producing neurons from the substantia nigra region of the brain. Mitochondrial dysfunction is one of the major causes of oxidative stress and neuronal cell death in PD. E3 ubiquitin ligases such as Parkin (PRKN) modulate mitochondrial quality control in PD; however, the role of other E3 ligases associated with mitochondria in the regulation of neuronal cell death in PD has not been explored. The current study investigated the role of TRIM32, RING E3 ligase, in sensitization to oxidative stress-induced neuronal apoptosis. The expression of TRIM32 sensitizes SH-SY5Y dopaminergic cells to rotenone and 6-OHDA-induced neuronal death, whereas the knockdown increased cell viability under PD stress conditions. The turnover of TRIM32 is enhanced under PD stress conditions and is mediated by autophagy. TRIM32 translocation to mitochondria is enhanced under PD stress conditions and localizes on the outer mitochondrial membrane. TRIM32 decreases complex-I assembly and activity as well as mitochondrial reactive oxygen species (ROS) and ATP levels under PD stress. Deletion of the RING domain of TRIM32 enhanced complex I activity and rescued ROS levels and neuronal viability under PD stress conditions. TRIM32 decreases the level of XIAP, and co-expression of XIAP with TRIM32 rescued the PD stress-induced cell death and mitochondrial ROS level. In conclusion, turnover of TRIM32 increases during stress conditions and translocation to mitochondria is enhanced, regulating mitochondrial functions and neuronal apoptosis by modulating the level of XIAP in PD.
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Affiliation(s)
- Shanikumar Goyani
- Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, India
| | - Anjali Shinde
- Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, India
| | - Shatakshi Shukla
- Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, India
| | - M V Saranga
- Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, India
| | - Fatema Currim
- Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, India
| | - Minal Mane
- Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, India
| | - Jyoti Singh
- Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, India
| | - Milton Roy
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Dhruv Gohel
- Department of Genomic Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Nisha Chandak
- Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, India
| | - Hitesh Vasiyani
- Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, India
| | - Rajesh Singh
- Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, India
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Lee J, Kwon J, Jo YJ, Yoon SB, Hyeon JH, Park BJ, You HJ, Youn C, Kim Y, Choi HW, Kim JS. Particulate matter 10 induces oxidative stress and apoptosis in rhesus macaques skin fibroblast. PeerJ 2023; 11:e16589. [PMID: 38130933 PMCID: PMC10734408 DOI: 10.7717/peerj.16589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 11/14/2023] [Indexed: 12/23/2023] Open
Abstract
Background Particulate matter (PM) is a major air pollutant that affects human health worldwide. PM can pass through the skin barrier, thus causing skin diseases such as heat rash, allergic reaction, infection, or inflammation. However, only a few studies have been conducted on the cytotoxic effects of PM exposure on large-scale animals. Therefore, herein, we investigated whether and how PM affects rhesus macaque skin fibroblasts. Methods Rhesus macaque skin fibroblasts were treated with various concentrations of PM10 (1, 5, 10, 50, and 100 μg/mL) and incubated for 24, 48, and 72 h. Then, cell viability assay, TUNEL assay, and qRT-PCR were performed on the treated cells. Further, the reactive oxygen species, glutathione, and cathepsin B levels were determined. The MTT assay revealed that PM10 (>50 μg/mL) proportionately reduced the cell proliferation rate. Results PM10 treatment increased TUNEL-positive cell numbers, following the pro-apoptosis-associated genes (CASP3 and BAX) and tumor suppressor gene TP53 were significantly upregulated. PM10 treatment induced reactive oxidative stress. Cathepsin B intensity was increased, whereas GSH intensity was decreased. The mRNA expression levels of antioxidant enzyme-related genes (CAT, GPX1 and GPX3) were significantly upregulated. Furthermore, PM10 reduced the mitochondrial membrane potential. The mRNA expression of mitochondrial complex genes, such as NDUFA1, NDUFA2, NDUFAC2, NDUFS4, and ATP5H were also significantly upregulated. In conclusion, these results showed that PM10 triggers apoptosis and mitochondrial damage, thus inducing ROS accumulation. These findings provide potential information on the cytotoxic effects of PM10 treatment and help to understand the mechanism of air pollution-induced skin diseases.
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Affiliation(s)
- Jiin Lee
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongup-si, Republic of Korea
- Department of Animal Science, Jeonbuk National University, Jeonju, Jeollabuk-do, Republic of Korea
| | - Jeongwoo Kwon
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongup-si, Republic of Korea
| | - Yu-Jin Jo
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongup-si, Republic of Korea
| | - Seung-Bin Yoon
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongup-si, Republic of Korea
| | - Jae-Hwan Hyeon
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongup-si, Republic of Korea
| | - Beom-Jin Park
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongup-si, Republic of Korea
| | - Hyeong-Ju You
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongup-si, Republic of Korea
| | - Changsic Youn
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongup-si, Republic of Korea
| | - Yejin Kim
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongup-si, Republic of Korea
| | - Hyun Woo Choi
- Department of Animal Science, Jeonbuk National University, Jeonju, Jeollabuk-do, Republic of Korea
| | - Ji-Su Kim
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongup-si, Republic of Korea
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Bai J, Wang H, Li C, Liu L, Wang J, Sun C, Zhang Q. A novel mitochondria-targeting compound exerts therapeutic effects against melanoma by inducing mitochondria-mediated apoptosis and autophagy in vitro and in vivo. ENVIRONMENTAL TOXICOLOGY 2023; 38:2608-2620. [PMID: 37466182 DOI: 10.1002/tox.23896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 06/17/2023] [Accepted: 07/01/2023] [Indexed: 07/20/2023]
Abstract
Melanoma is the most invasive skin cancer, with a high mortality rate. However, existing therapeutic drugs have side effects, low reactivity, and lead to drug resistance. As the power source in cells, mitochondria play an important role in the survival of cancer cells and are an important target for tumor therapy. This study aimed to develop a new anti-melanoma compound that targets mitochondria, evaluate its effect on the proliferation and metastasis of melanoma cells, and explore its mechanism of action. The novel mitochondria-targeting compound, SCZ0148, was synthesized by modifying the structure of cyanine. Then, A375 and B16 cells were incubated with different concentrations of SCZ0148, and different doses of SCZ0148 were administered to A375 and B16 xenograft zebrafish. The results showed that SCZ0148 targeted mitochondria, had dose- and time-dependent effects on the proliferation of melanoma cell lines, and had no obvious side effects on normal cells. In addition, SCZ0148 induced melanoma cell apoptosis through the reactive oxygen species-mediated mitochondrial pathway of apoptosis and promoted autophagy. SCZ0148 significantly inhibited the migration of melanoma cells via a matrix metalloprotein 9-mediated pathway. Similarly, SCZ0148 inhibited melanoma cell proliferation in a concentration-dependent manner in vivo. In summary, SCZ0148 may be a novel anti-melanoma compound that targets mitochondria.
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Affiliation(s)
- Jun Bai
- Environmental Health Effects and Risk Assessment Key Laboratory of Luzhou, School of Public Health, Southwest Medical University, Luzhou, China
| | - Hailan Wang
- Environmental Health Effects and Risk Assessment Key Laboratory of Luzhou, School of Public Health, Southwest Medical University, Luzhou, China
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Suzhou Institute of Public Health, Gusu School, Nanjing Medical University, Nanjing, China
| | - Chenwen Li
- Environmental Health Effects and Risk Assessment Key Laboratory of Luzhou, School of Public Health, Southwest Medical University, Luzhou, China
| | - Li Liu
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jianv Wang
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Changzhen Sun
- Drug Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Qingbi Zhang
- Environmental Health Effects and Risk Assessment Key Laboratory of Luzhou, School of Public Health, Southwest Medical University, Luzhou, China
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Zhang Y, Chen H, Li R, Sterling K, Song W. Amyloid β-based therapy for Alzheimer's disease: challenges, successes and future. Signal Transduct Target Ther 2023; 8:248. [PMID: 37386015 PMCID: PMC10310781 DOI: 10.1038/s41392-023-01484-7] [Citation(s) in RCA: 73] [Impact Index Per Article: 73.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 07/01/2023] Open
Abstract
Amyloid β protein (Aβ) is the main component of neuritic plaques in Alzheimer's disease (AD), and its accumulation has been considered as the molecular driver of Alzheimer's pathogenesis and progression. Aβ has been the prime target for the development of AD therapy. However, the repeated failures of Aβ-targeted clinical trials have cast considerable doubt on the amyloid cascade hypothesis and whether the development of Alzheimer's drug has followed the correct course. However, the recent successes of Aβ targeted trials have assuaged those doubts. In this review, we discussed the evolution of the amyloid cascade hypothesis over the last 30 years and summarized its application in Alzheimer's diagnosis and modification. In particular, we extensively discussed the pitfalls, promises and important unanswered questions regarding the current anti-Aβ therapy, as well as strategies for further study and development of more feasible Aβ-targeted approaches in the optimization of AD prevention and treatment.
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Affiliation(s)
- Yun Zhang
- National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital, Capital Medical University, Beijing, China.
| | - Huaqiu Chen
- National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Ran Li
- The Second Affiliated Hospital and Yuying Children's Hospital, Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Keenan Sterling
- Townsend Family Laboratories, Department of Psychiatry, The University of British Columbia, Vancouver, BC, V6T 1Z3, Canada
| | - Weihong Song
- National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital, Capital Medical University, Beijing, China.
- The Second Affiliated Hospital and Yuying Children's Hospital, Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang, China.
- Townsend Family Laboratories, Department of Psychiatry, The University of British Columbia, Vancouver, BC, V6T 1Z3, Canada.
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang, China.
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Agrawal MY, Gaikwad S, Srivastava S, Srivastava SK. Research Trend and Detailed Insights into the Molecular Mechanisms of Food Bioactive Compounds against Cancer: A Comprehensive Review with Special Emphasis on Probiotics. Cancers (Basel) 2022; 14:cancers14225482. [PMID: 36428575 PMCID: PMC9688469 DOI: 10.3390/cancers14225482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 10/26/2022] [Accepted: 11/04/2022] [Indexed: 11/09/2022] Open
Abstract
In an attempt to find a potential cure for cancer, scientists have been probing the efficacy of the food we eat and its bioactive components. Over the decades, there has been an exponentially increasing trend of research correlating food and cancer. This review explains the molecular mechanisms by which bioactive food components exhibit anticancer effects in several cancer models. These bioactive compounds are mainly plant based or microbiome based. While plants remain the primary source of these phytochemicals, little is known about probiotics, i.e., microbiome sources, and their relationships with cancer. Thus, the molecular mechanisms underlying the anticancer effect of probiotics are discussed in this review. The principal mode of cell death for most food bioactives is found to be apoptosis. Principal oncogenic signaling axes such as Akt/PI3K, JAK/STAT, and NF-κB seem to be modulated due to these bioactives along with certain novel targets that provide a platform for further oncogenic research. It has been observed that probiotics have an immunomodulatory effect leading to their chemopreventive actions. Various foods exhibit better efficacy as complete extracts than their individual phytochemicals, indicating an orchestrated effect of the food components. Combining bioactive agents with available chemotherapies helps synergize the anticancer action of both to overcome drug resistance. Novel techniques to deliver bioactive agents enhance their therapeutic response. Such combinations and novel approaches are also discussed in this review. Notably, most of the food components that have been studied for cancer have shown their efficacy in vivo. This bolsters the claims of these studies and, thus, provides us with hope of discovering anticancer agents in the food that we eat.
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Affiliation(s)
- Manas Yogendra Agrawal
- Department of Immunotherapeutics and Biotechnology, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA
- Center for Tumor Immunology and Targeted Cancer Therapy, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA
| | - Shreyas Gaikwad
- Department of Immunotherapeutics and Biotechnology, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA
- Center for Tumor Immunology and Targeted Cancer Therapy, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA
| | | | - Sanjay K. Srivastava
- Department of Immunotherapeutics and Biotechnology, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA
- Center for Tumor Immunology and Targeted Cancer Therapy, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA
- Correspondence: ; Tel.: +1-325-696-0464; Fax: +1-325-676-3875
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Nisa A, Kipper FC, Panigrahy D, Tiwari S, Kupz A, Subbian S. Different modalities of host cell death and their impact on Mycobacterium tuberculosis infection. Am J Physiol Cell Physiol 2022; 323:C1444-C1474. [PMID: 36189975 PMCID: PMC9662802 DOI: 10.1152/ajpcell.00246.2022] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/16/2022] [Accepted: 09/25/2022] [Indexed: 11/22/2022]
Abstract
Mycobacterium tuberculosis (Mtb) is the pathogen that causes tuberculosis (TB), a leading infectious disease of humans worldwide. One of the main histopathological hallmarks of TB is the formation of granulomas comprised of elaborately organized aggregates of immune cells containing the pathogen. Dissemination of Mtb from infected cells in the granulomas due to host and mycobacterial factors induces multiple cell death modalities in infected cells. Based on molecular mechanism, morphological characteristics, and signal dependency, there are two main categories of cell death: programmed and nonprogrammed. Programmed cell death (PCD), such as apoptosis and autophagy, is associated with a protective response to Mtb by keeping the bacteria encased within dead macrophages that can be readily phagocytosed by arriving in uninfected or neighboring cells. In contrast, non-PCD necrotic cell death favors the pathogen, resulting in bacterial release into the extracellular environment. Multiple types of cell death in the PCD category, including pyroptosis, necroptosis, ferroptosis, ETosis, parthanatos, and PANoptosis, may be involved in Mtb infection. Since PCD pathways are essential for host immunity to Mtb, therapeutic compounds targeting cell death signaling pathways have been experimentally tested for TB treatment. This review summarizes different modalities of Mtb-mediated host cell deaths, the molecular mechanisms underpinning host cell death during Mtb infection, and its potential implications for host immunity. In addition, targeting host cell death pathways as potential therapeutic and preventive approaches against Mtb infection is also discussed.
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Affiliation(s)
- Annuurun Nisa
- Public Health Research Institute, New Jersey Medical School, Rutgers University, Newark, New Jersey
| | - Franciele C Kipper
- Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
- Cancer Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Dipak Panigrahy
- Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
- Cancer Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Sangeeta Tiwari
- Department of Biological Sciences, Border Biomedical Research Center (BBRC), University of Texas, El Paso, Texas
| | - Andreas Kupz
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine (AITHM), James Cook University, Townsville, Queensland, Australia
| | - Selvakumar Subbian
- Public Health Research Institute, New Jersey Medical School, Rutgers University, Newark, New Jersey
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Allyl Isothiocyanate (AITC) Induces Apoptotic Cell Death In Vitro and Exhibits Anti-Tumor Activity in a Human Glioblastoma GBM8401/luc2 Model. Int J Mol Sci 2022; 23:ijms231810411. [PMID: 36142326 PMCID: PMC9499574 DOI: 10.3390/ijms231810411] [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: 07/06/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/17/2022] Open
Abstract
Some clinically used anti-cancer drugs are obtained from natural products. Allyl isothiocyanate (AITC), a plant-derived compound abundant in cruciferous vegetables, has been shown to possess an anti-cancer ability in human cancer cell lines in vitro, including human brain glioma cells. However, the anti-cancer effects of AITC in human glioblastoma (GBM) cells in vivo have not yet been examined. In the present study, we used GBM8401/luc2 human glioblastoma cells and a GBM8401/luc2-cell-bearing animal model to identify the treatment efficacy of AITC. Here, we confirm that AITC reduced total cell viability and induced cell apoptosis in GBM8401/luc2 cells in vitro. Furthermore, Western blotting also showed that AITC induced apoptotic cell death through decreased the anti-apoptotic protein BCL-2, MCL-1 expression, increased the pro-apoptotic protein BAX expression, and promoted the activities of caspase-3, -8, and -9. Therefore, we further investigated the anti-tumor effects of AITC on human GBM8401/luc2 cell xenograft mice. The human glioblastoma GBM8401/luc2 cancer cells were subcutaneously injected into the right flank of BALB/c nude mice to generate glioblastoma xenograft mice. The animals were randomly divided into three groups: group I was treated without AITC (control); group II with 0.1 mg/day of AITC; and group III with 0.2 mg/day of AITC every 3 days for 27 days. Bodyweight, and tumor volume (size) were recorded every 3 days. Tumors exhibiting Luc2 intensity were measured, and we quantified intensity using Living Image software on days 0, 12, and 24. After treatment, tumor weight from each mouse was recorded. Tumor tissues were examined for histopathological changes using H&E staining, and we analyzed the protein levels via immunohistochemical analysis. Our results indicate that AITC significantly inhibited tumor growth at both doses of AITC due to the reduction in tumor size and weight. H&E histopathology analysis of heart, liver, spleen, and kidney samples revealed that AITC did not significantly induce toxicity. Body weight did not show significant changes in any experiment group. AITC significantly downregulated the protein expression levels of MCL-1, XIAP, MMP-9, and VEGF; however, it increased apoptosis-associated proteins, such as cleaved caspase-3, -8, and -9, in the tumor tissues compared with the control group. Based on these observations, AITC exhibits potent anti-cancer activity in the human glioblastoma cell xenograft model via inhibiting tumor cell proliferation and the induction of cell apoptosis. AITC may be a potential anti-GBM cancer drug that could be used in the future.
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Guo Y, Li Q, Xia R, Cai C. Farrerol exhibits inhibitory effects on lung adenocarcinoma cells by activating the mitochondrial apoptotic pathway. J Biochem Mol Toxicol 2022; 36:e23157. [PMID: 35833306 DOI: 10.1002/jbt.23157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 04/11/2022] [Accepted: 07/01/2022] [Indexed: 11/11/2022]
Abstract
Farrerol is an herbal compound extracted from rhododendron. Here, our study is to investigate biological effects of farrerol on lung adenocarcinoma (LAC) cells. Human LAC cell lines and xenograft mouse model were utilized to define the effects of farrerol on tumor growth. Our findings indicated that farrerol significantly reduced LAC cell viability as well as the colony-forming capacity. Flow cytometry analysis demonstrated that farrerol contributed to cell apoptosis and G0/G1 phase cell cycle arrest. Mechanistically, farrerol treatment upregulated proapoptotic molecules (Bak, Bid, cleaved caspase-3 and cleaved caspase-9) and senescence markers (p16 and p2), but downregulated antiapoptosis genes (Bcl-2 and Bcl-XL) and cell cycle-associated genes (CyclinD1 and CDK4); meanwhile, the phosphorylation of retinoblastoma (Rb) protein was attenuated upon pretreatment of LAC cells with farrerol in comparison to untreated control. Further studies indicated that farrerol elevated reactive oxygen species levels, activating mitochondrial apoptotic pathway and causing cell apoptosis. However, exposure to farrerol did not result in significant apoptosis in normal lung epithelial cells, suggesting a tumor-specific effect of farrerol on LAC cells. In animal model, farrerol showed a significant inhibitory effect on LAC xenograft tumor growth. And gene expressions in tumor tissues, as mentioned above, were in line with the in vitro results. Taken together, these results suggested that farrerol caused LAC cell apoptosis by activating mitochondrial apoptotic pathway, whereas farrerol treatment had no notable effect on normal lung epithelial cells. Farrerol might be an effective therapeutic drug for LAC.
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Affiliation(s)
- Yi Guo
- Department of Pneumology, Shanxi Provincial Cancer Hospital, Taiyuan, Shanxi, China
| | - Quan Li
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, Hubei, China
| | - Rongmu Xia
- School of Medicine, Xiamen University, Xiamen, Fujian, China
| | - Chuanshu Cai
- Department of Radiotherapy, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
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10
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Jeong H, Shin H, Hong S, Kim Y. Physiological Roles of Monomeric Amyloid-β and Implications for Alzheimer's Disease Therapeutics. Exp Neurobiol 2022; 31:65-88. [PMID: 35673997 PMCID: PMC9194638 DOI: 10.5607/en22004] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/26/2022] [Accepted: 03/30/2022] [Indexed: 12/23/2022] Open
Abstract
Alzheimer's disease (AD) progressively inflicts impairment of synaptic functions with notable deposition of amyloid-β (Aβ) as senile plaques within the extracellular space of the brain. Accordingly, therapeutic directions for AD have focused on clearing Aβ plaques or preventing amyloidogenesis based on the amyloid cascade hypothesis. However, the emerging evidence suggests that Aβ serves biological roles, which include suppressing microbial infections, regulating synaptic plasticity, promoting recovery after brain injury, sealing leaks in the blood-brain barrier, and possibly inhibiting the proliferation of cancer cells. More importantly, these functions were found in in vitro and in vivo investigations in a hormetic manner, that is to be neuroprotective at low concentrations and pathological at high concentrations. We herein summarize the physiological roles of monomeric Aβ and current Aβ-directed therapies in clinical trials. Based on the evidence, we propose that novel therapeutics targeting Aβ should selectively target Aβ in neurotoxic forms such as oligomers while retaining monomeric Aβ in order to preserve the physiological functions of Aβ monomers.
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Affiliation(s)
- Hyomin Jeong
- Division of Integrated Science and Engineering, Underwood International College, Yonsei University, Incheon 21983, Korea
- Department of Pharmacy, College of Pharmacy, Yonsei University, Incheon 21983, Korea
- Yonsei Institute of Pharmaceutical Sciences, College of Pharmacy, Yonsei University, Incheon 21983, Korea
| | - Heewon Shin
- Department of Pharmacy, College of Pharmacy, Yonsei University, Incheon 21983, Korea
- Yonsei Institute of Pharmaceutical Sciences, College of Pharmacy, Yonsei University, Incheon 21983, Korea
| | - Seungpyo Hong
- Department of Pharmacy, College of Pharmacy, Yonsei University, Incheon 21983, Korea
- Yonsei Frontier Lab, Yonsei University, Seoul 03722, Korea
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
- Wisconsin Center for NanoBioSystems, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - YoungSoo Kim
- Division of Integrated Science and Engineering, Underwood International College, Yonsei University, Incheon 21983, Korea
- Department of Pharmacy, College of Pharmacy, Yonsei University, Incheon 21983, Korea
- Yonsei Institute of Pharmaceutical Sciences, College of Pharmacy, Yonsei University, Incheon 21983, Korea
- Yonsei Frontier Lab, Yonsei University, Seoul 03722, Korea
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11
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Anifowoshe AT, Roy D, Dutta S, Nongthomba U. Evaluation of cytogenotoxic potential and embryotoxicity of KRS-Cauvery River water in zebrafish (Danio rerio). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 233:113320. [PMID: 35183813 DOI: 10.1016/j.ecoenv.2022.113320] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 01/25/2022] [Accepted: 02/14/2022] [Indexed: 06/14/2023]
Abstract
In the Cauvery River (CR), indiscriminate discharge of waste causes unexplained skeletal deformity in some fish species present in the water. To investigate this phenomenon, we analyzed the biological, physical, and chemical parameters present in the water and then evaluated the toxicity effects on the zebrafish (Danio rerio) model. The zebrafish were treated with KRS-CR water samples collected from three stations (fast-flowing water [X], slow-flowing [Y], and stagnant [Z] water), before and after filtration. Firstly, we detected microscopic organisms (MO) such as Cyclops, Daphnia, Spirogyra, Spirochaeta, and total coliform (Escherichia coli), which are bioindicators of water pollution present in the samples. All physicochemical parameters analyzed, including heavy metals before and after filtration of the water with Millipore filter paper (0.45 µm), were within the acceptable limits set by standard organizations, except for decreased dissolved oxygen (DO), and increased biochemical oxygen demand (BOD), and chemical oxygen demand (COD), which are indicators of hypoxic water conditions, as well as the presence of microplastics (polybutene (< 15 µm), polyisobutene (≤ 20 µm), and polymethylpentene (≤3 mm)) and cyclohexyl in CR water samples. Zebrafish embryos treated with the water samples, both before and after filtration exerts the same cytogenotoxic effects by inducing increased reactive oxygen species (ROS) production, which triggers subcellular organelle dysfunctions, DNA damage, apoptosis, pericardial edema, skeletal deformities, and increased mortality. As a result, we observed that both water samples and zebrafish larvae had significantly less oxygen using SEM and EDS. Our findings show that KRS-CR water can induce cytogenotoxic and embryotoxic defects in zebrafish due to hypoxic water conditions triggered by the microplastics influx. The present study would provide valuable insights for health hazards evaluation and future river water treatment strategies.
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Affiliation(s)
- Abass Toba Anifowoshe
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India; Cell Biology and Genetics Unit, Department of Zoology, Faculty of Life Sciences, University of Ilorin, Ilorin, Nigeria.
| | - Debasish Roy
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India; Journal of Visualized Experiments (JoVE), 1 Alewife Center Suite 200, Cambridge, MA 02140, USA
| | - Somit Dutta
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India
| | - Upendra Nongthomba
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India
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12
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Subcellular localization of X-linked inhibitor of apoptosis protein (XIAP) in cancer: does that matter? BBA ADVANCES 2022; 2:100050. [PMID: 37082602 PMCID: PMC10074912 DOI: 10.1016/j.bbadva.2022.100050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 02/25/2022] [Accepted: 03/15/2022] [Indexed: 11/20/2022] Open
Abstract
X-linked inhibitor of apoptosis protein (XIAP) finely tunes the balance between survival and death to control homeostasis. XIAP is found aberrantly expressed in cancer, which has been shown to promote resistance to therapy-induced apoptosis and confer poor outcome. Despite its predominant cytoplasmic localization in human tissues, growing evidence implicates the expression of XIAP in other subcellular compartments in sustaining cancer hallmarks. Herein, we review our current knowledge on the prognostic role of XIAP localization and discuss molecular mechanisms underlying differential biological functions played in each compartment. The comprehension of XIAP subcellular shuttling and functional dynamics might provide the rationale for future anticancer therapeutics.
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13
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Farzaneh Behelgardi M, Gholami Shahvir Z, Asghari SM. Apoptosis induction in human lung and colon cancer cells via impeding VEGF signaling pathways. Mol Biol Rep 2022; 49:3637-3647. [PMID: 35142981 DOI: 10.1007/s11033-022-07203-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Accepted: 01/26/2022] [Indexed: 11/29/2022]
Abstract
There is ample evidence to suggest that vascular endothelial growth factor (VEGF) is a potent mitogen factor in vasculogenesis and angiogenesis and that blockade of VEGF-mediated signals can also prevent tumor growth via enforcing cell apoptosis. In the current study, we assessed the suppressing effect of VGB4, a VEGF antagonist peptide with the binding ability to both VEGF receptor1 and VEGF receptor2, on VEGF-induced proliferation and migration of the human lung adenocarcinoma cell line A549 and the human colon adenocarcinoma cell line HT29 using MTT assay, colony formation assay, and Scratch-wound assay. To evaluate the apoptotic inductive effect of VGB4 on A549 and HT29 cells, apoptosis analysis was carried out by flow cytometry and TUNEL assay. Likewise, p53 and PTEN expression level was examined by immunofluorescence microscopy. In addition, the level of proteins involved in VEGF signaling pathways related to apoptosis was investigated using western blot analysis. Our results indicated that VGB4 markedly inhibited VEGF-induced proliferation and migration, and induced apoptosis of A549 and HT29 cells dose dependently. Encouragingly, significant downregulation of B-cell lymphoma 2 (Bcl2), X-linked inhibitor of apoptosis, Procaspase9, and procaspase3, as well as upregulation of PTEN and P53 tumor suppressors, BCL2 associated X, Cytochrome c, cleaved caspase9, and cleaved caspase3 in VGB4-treated A549 and HT29 cells, further confirmed the profound inductive influence of VGB4 on apoptotic pathways. These findings along with the results from our previous studies show that VGB4 may be considerable for cancer therapy.
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Affiliation(s)
| | | | - S Mohsen Asghari
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran.
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14
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Mitra S, Anand U, Jha NK, Shekhawat MS, Saha SC, Nongdam P, Rengasamy KRR, Proćków J, Dey A. Anticancer Applications and Pharmacological Properties of Piperidine and Piperine: A Comprehensive Review on Molecular Mechanisms and Therapeutic Perspectives. Front Pharmacol 2022; 12:772418. [PMID: 35069196 PMCID: PMC8776707 DOI: 10.3389/fphar.2021.772418] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 11/18/2021] [Indexed: 12/26/2022] Open
Abstract
Piperine and piperidine are the two major alkaloids extracted from black pepper (Piper nigrum); piperidine is a heterocyclic moiety that has the molecular formula (CH2)5NH. Over the years, many therapeutic properties including anticancer potential of these two compounds have been observed. Piperine has therapeutic potential against cancers such as breast cancer, ovarian cancer, gastric cancer, gliomal cancer, lung cancer, oral squamous, chronic pancreatitis, prostate cancer, rectal cancer, cervical cancer, and leukemia. Whereas, piperidine acts as a potential clinical agent against cancers, such as breast cancer, prostate cancer, colon cancer, lung cancer, and ovarian cancer, when treated alone or in combination with some novel drugs. Several crucial signalling pathways essential for the establishment of cancers such as STAT-3, NF-κB, PI3k/Aκt, JNK/p38-MAPK, TGF-ß/SMAD, Smac/DIABLO, p-IκB etc., are regulated by these two phytochemicals. Both of these phytochemicals lead to inhibition of cell migration and help in cell cycle arrest to inhibit survivability of cancer cells. The current review highlights the pharmaceutical relevance of both piperine and piperidine against different types of cancers.
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Affiliation(s)
- Sicon Mitra
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
| | - Uttpal Anand
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
| | - Mahipal S Shekhawat
- Department of Plant Biology and Biotechnology, Kanchi Mamunivar Government Institute for Postgraduate Studies and Research, Lawspet, India
| | - Suchismita Chatterjee Saha
- Department of Zoology, Nabadwip Vidyasagar College (Affiliated to the University of Kalyani), Nabadwip, India
| | | | - Kannan R R Rengasamy
- Green Biotechnologies Research Centre of Excellence, University of Limpopo, Sovenga, South Africa
| | - Jarosław Proćków
- Department of Plant Biology, Institute of Environmental Biology, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Abhijit Dey
- Ethnopharmacology and Natural Product Research Laboratory, Department of Life Sciences, Presidency University, Kolkata, India
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15
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Ning X, Shi G, Ren S, Liu S, Ding J, Zhang R, Li L, Xie Q, Xu W, Meng F, Ma R. OUP accepted manuscript. Oncologist 2022; 27:e64-e75. [PMID: 35305106 PMCID: PMC8842331 DOI: 10.1093/oncolo/oyab015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 11/18/2021] [Indexed: 11/17/2022] Open
Abstract
Background The glioblastoma-amplified sequence (GBAS) is a newly identified gene that is amplified in approximately 40% of glioblastomas. This article probes into the expression, prognostic significance, and possible pathways of GBAS in ovarian cancer (OC). Method Immunohistochemical methods were used to evaluate the expression level of GBAS in OC and its relationship with clinicopathological characteristics and prognosis. Glioblastoma-amplified sequence shRNA was designed to transfect into OC cell lines to silence GBAS expression, then detect the proliferation, apoptosis, and migration ability of the cell. Furthermore, an in vitro tumor formation experiment in mice was constructed to prove the effect of GBAS expression on the growth of OC in vivo. To further study the regulation mechanism of GBAS, we performed co-immunoprecipitation (Co-IP) and shotgun LC-MS mass spectrometry identification. Results Immunohistochemistry indicated that GBAS was markedly overexpressed in OC compared with normal ovarian tissue and was associated with lymph node metastasis. Inhibition of GBAS expression can significantly reduce OC cell proliferation, colony formation, promote cell apoptosis, and reduce the ability of cell migration and invasion. In vivo tumor formation experiments showed that the size and weight of tumors in mice after GBAS expression knockdown was significantly smaller. Glioblastoma-amplified sequence may be combined with elongation factor 1 alpha 1 (eEF1A1) to achieve its regulation in OC. Bioinformatics analysis data indicate that GBAS may be a key regulator of mitochondria-associated pathways, therefore controlling cancer progression. MicroRNA-27b, MicroRNA-23a, and MicroRNA-590 may directly targeting GBAS affects the biological behavior of OC cells. Conclusion The glioblastoma-amplified sequence may regulate the proliferation and metastasis of OC cells by combining with eEF1A1.
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Affiliation(s)
- Xin Ning
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, People’s Republic of China
| | - Guangyue Shi
- Department of Oncology, Harbin Medical University Cancer Hospital, Harbin, People’s Republic of China
| | - Sujing Ren
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, People’s Republic of China
| | - Shuang Liu
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, People’s Republic of China
| | - Jing Ding
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, People’s Republic of China
| | - Ruichun Zhang
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, People’s Republic of China
| | - Lianwei Li
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, People’s Republic of China
| | - Qin Xie
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, People’s Republic of China
| | - Wei Xu
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, People’s Republic of China
| | - Fanling Meng
- Corresponding author: Fanling Meng, Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin 150081, China. Tel: +86 451 85718069;
| | - Rong Ma
- Corresponding author: Rong Ma, Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin 150081, China. Tel: +86 451 85718058;
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miR-874-3p mitigates cisplatin resistance through modulating NF-κB/inhibitor of apoptosis protein signaling pathway in epithelial ovarian cancer cells. Mol Cell Biochem 2021; 477:307-317. [PMID: 34716858 DOI: 10.1007/s11010-021-04271-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 09/29/2021] [Indexed: 10/19/2022]
Abstract
The resistance to cisplatin, the most common platinum chemotherapy drug, may confine the efficacy of treatment in epithelial ovarian cancer patients. Aberrant expression of inhibitor of apoptosis proteins set the stage for resistance to cisplatin in EOC; besides, chemosensitivity in EOC can be chalked up to dysregulation of specific miRNAs. Herein, we investigated whether there is a potential correlation between miR-874-3p and the X-chromosome-linked inhibitor of apoptosis, a member of the IAP protein family in cisplatin-resistant EOC cells. The lower expression of miR-874-3p was found in SKOV3-DDP cells; it was also in association with cisplatin-resistance in EOC cells. XIAP was found to contribute to developing platinum resistance and is an authentic target for miR-874-3p in SKOV3-DDP cells. Consistently, restoration of miR-874-3p expression reversed cisplatin resistance in such cells by modulating XIAP and NF-κB/Survivin signaling pathway. Besides, siRNA knock down of XIAP in SKOV3-DDP cells had an anti-migratory effect like those with miR-874 overexpression. Importantly, the enforced expression of XIAP rescued SKOV3-DDP cells from the cytotoxic effects of miR-874-3p. Finally, miR-874-3p sensitized EOC cells to cisplatin-induced apoptosis, at least in part, through targeting XIAP. The cytotoxic effects of miR-874-3p can be attributed to the targeting XIAP in cisplatin-resistant EOC cells. We believe that the combination of cisplatin with miR-874-3p may make a potential strategy to reverse cisplatin resistance.
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17
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Lee SH, Ha SM, Jeong MJ, Park DJ, Polo CN, Seo YJ, Kim SH. Effects of reactive oxygen species generation induced by Wonju City particulate matter on mitochondrial dysfunction in human middle ear cell. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:49244-49257. [PMID: 33932209 DOI: 10.1007/s11356-021-14216-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 04/27/2021] [Indexed: 06/12/2023]
Abstract
Atmospheric particulate matter (PM) contains different components that can elicit varying adverse health effects in humans and animals. Studies on PM toxicity and its underlying mechanisms in the middle ear are limited, and they generally use a PM standard. However, as PM composition varies temporally and geographically, it is crucial to identify the toxic PM constituents according to season and region and investigate their associated health effects. Thus, we sought to determine whether PM induces cytotoxicity and inflammatory factor and reactive oxygen species (ROS) generation in human middle ear epithelial cells obtained from patients with otitis media. The cells were treated with both standard urban PM and PM directly captured from the atmosphere in Wonju City. The association between mitochondrial dysfunction and PM was investigated. PM exposure significantly increased COX-2 and TNF-α mRNA expression, increased ROS generation, induced inflammatory responses, and caused abnormalities in mitochondrial motility and function. Furthermore, PM induced cell apoptosis, which consequently reduced cell survival, particularly at the concentration of 100 μg/mL. Overall, our study provides new insights into the toxic effects of standard and atmospheric PM on middle ear cell line.
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Affiliation(s)
- Su Hoon Lee
- Research Institute of Hearing Enhancement, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Ilsan-dong, Wonju-si, Gangwon-do, 26426, South Korea
- Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Ilsan-dong, Wonju-si, Gangwon-do, 26426, South Korea
| | - Sun Mok Ha
- Research Institute of Hearing Enhancement, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Ilsan-dong, Wonju-si, Gangwon-do, 26426, South Korea
- Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Ilsan-dong, Wonju-si, Gangwon-do, 26426, South Korea
| | - Min Jae Jeong
- Department of Environmental Engineering, College of Public Health, Yonsei University, 1 Yonseidae-gil, Wonju, Gangwon-do, 26493, South Korea
| | - Dong Jun Park
- Research Institute of Hearing Enhancement, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Ilsan-dong, Wonju-si, Gangwon-do, 26426, South Korea
- Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Ilsan-dong, Wonju-si, Gangwon-do, 26426, South Korea
| | - Carlos Noriega Polo
- College of Medicine, Universitat de València, Av. de Blasco Ibáñez, 13, 46010, València, Valencia, Spain
| | - Young Joon Seo
- Research Institute of Hearing Enhancement, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Ilsan-dong, Wonju-si, Gangwon-do, 26426, South Korea.
- Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Ilsan-dong, Wonju-si, Gangwon-do, 26426, South Korea.
| | - Seong Heon Kim
- Department of Environmental Engineering, College of Public Health, Yonsei University, 1 Yonseidae-gil, Wonju, Gangwon-do, 26493, South Korea.
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18
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Li F, Aljahdali IAM, Zhang R, Nastiuk KL, Krolewski JJ, Ling X. Kidney cancer biomarkers and targets for therapeutics: survivin (BIRC5), XIAP, MCL-1, HIF1α, HIF2α, NRF2, MDM2, MDM4, p53, KRAS and AKT in renal cell carcinoma. J Exp Clin Cancer Res 2021; 40:254. [PMID: 34384473 PMCID: PMC8359575 DOI: 10.1186/s13046-021-02026-1] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 06/21/2021] [Indexed: 12/12/2022] Open
Abstract
The incidence of renal cell carcinoma (RCC) is increasing worldwide with an approximate 20% mortality rate. The challenge in RCC is the therapy-resistance. Cancer resistance to treatment employs multiple mechanisms due to cancer heterogeneity with multiple genetic and epigenetic alterations. These changes include aberrant overexpression of (1) anticancer cell death proteins (e.g., survivin/BIRC5), (2) DNA repair regulators (e.g., ERCC6) and (3) efflux pump proteins (e.g., ABCG2/BCRP); mutations and/or deregulation of key (4) oncogenes (e.g., MDM2, KRAS) and/or (5) tumor suppressor genes (e.g., TP5/p53); and (6) deregulation of redox-sensitive regulators (e.g., HIF, NRF2). Foci of tumor cells that have these genetic alterations and/or deregulation possess survival advantages and are selected for survival during treatment. We will review the significance of survivin (BIRC5), XIAP, MCL-1, HIF1α, HIF2α, NRF2, MDM2, MDM4, TP5/p53, KRAS and AKT in treatment resistance as the potential therapeutic biomarkers and/or targets in RCC in parallel with our analized RCC-relevant TCGA genetic results from each of these gene/protein molecules. We then present our data to show the anticancer drug FL118 modulation of these protein targets and RCC cell/tumor growth. Finally, we include additional data to show a promising FL118 analogue (FL496) for treating the specialized type 2 papillary RCC.
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Affiliation(s)
- Fengzhi Li
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
- Genitourinary Disease Site Research Group, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
- Kidney Cancer Research Interest Group, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
- Developmental Therapeutics (DT) Program, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
| | - Ieman A. M. Aljahdali
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
- Department of Cellular & Molecular Biology, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
| | - Renyuan Zhang
- Department of Cancer Genetics & Genomics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
| | - Kent L. Nastiuk
- Genitourinary Disease Site Research Group, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
- Department of Cancer Genetics & Genomics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
- Department of Urology, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
| | - John J. Krolewski
- Department of Cancer Genetics & Genomics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
| | - Xiang Ling
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14263 USA
- Canget BioTekpharma LLC, Buffalo, New York 14203 USA
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Kheirallah DAM, El-Samad LM, Abdel-Moneim AM. DNA damage and ovarian ultrastructural lesions induced by nickel oxide nano-particles in Blaps polycresta (Coleoptera: Tenebrionidae). THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 753:141743. [PMID: 32891989 DOI: 10.1016/j.scitotenv.2020.141743] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/28/2020] [Accepted: 08/15/2020] [Indexed: 06/11/2023]
Abstract
Nickel oxide nanoparticles (NiO-NPs) have extensively used in industrial and consumer products. The present study conducted to gain more knowledge about the safe use of NiO-NPs and also to understand their impact on the environment and biological systems. Herein, we examined the genotoxic and ultra-structural effects of a sublethal dose of NiO-NPs (0.03 mg/g) on the ovarian tissues of the ground beetle, Blaps polycresta. The mean diameter of NiO-NPs was 24.49 ± 3.88 nm, as obtained through transmission electron microscopy (TEM). In terms of DNA damage levels, the frequency of micronucleus (MN) formation was highly significant in the NiO-NPs treated group versus the controls. Besides, NiO-NPs treatment resulted in a significant increase in the tail length of comets. Further, electron microscopy revealed a progressive increase in chromatin condensation of the ovarian nurse and follicular cells, in addition to the accumulation of lysosomes and endo-lysosomes in their cytoplasm. In conclusion, NiO-NPs are capable of gaining access to the ovary of B. polycresta and causing DNA damage and a high degree of cellular toxicity in the ovarian cells. The present study highlights, for the first time, the adverse effects of these NPs to female gonads of insects and raised the concern of its genotoxic potential. It would be of interest to investigate NiO-NPs mediated intracellular ROS generation in future studies.
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20
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Kwon MJ, Kim JN, Park J, Kim YT, Lee MJ, Kim BJ. Alisma canaliculatum Extract Affects AGS Gastric Cancer Cells by Inducing Apoptosis. Int J Med Sci 2021; 18:2155-2161. [PMID: 33859522 PMCID: PMC8040414 DOI: 10.7150/ijms.55212] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 03/02/2021] [Indexed: 12/12/2022] Open
Abstract
The anti-cancer effects of Alisma canaliculatum extracts (ACE) were identified in AGS gastric cancer cells. Our results showed that ACE inhibited the growth of AGS cells, increased the proportion of sub-G1 phase cells, and depolarized the membrane potential of mitochondria. ACE-induced gastric cancer cell death was associated with Bcl-2, survivin and Bax level changes, and it activated caspase-3 and -9. In addition, it was involved in the activation of MAPKs and increased the reactive oxygen species (ROS). These results suggest that ACE induces apoptosis in AGS gastric cancer cells, and therefore, ACE may have the potential to treat gastric cancer.
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Affiliation(s)
- Min Ji Kwon
- Division of Longevity and Biofunctional Medicine, Pusan National University School of Korean Medicine, Yangsan 50612, Republic of Korea
| | - Jeong Nam Kim
- Division of Longevity and Biofunctional Medicine, Pusan National University School of Korean Medicine, Yangsan 50612, Republic of Korea
| | - Joon Park
- Division of Food Functionality, Korea Food Research Institute, Wanju-gun 55365, Republic of Korea.,Department of Food Biotechnology, Korea University of Science & Technology, Daejeon 34113, Republic of Korea
| | - Yun Tai Kim
- Division of Food Functionality, Korea Food Research Institute, Wanju-gun 55365, Republic of Korea.,Department of Food Biotechnology, Korea University of Science & Technology, Daejeon 34113, Republic of Korea
| | - Min Jae Lee
- College of Veterinary Medicine, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Byung Joo Kim
- Division of Longevity and Biofunctional Medicine, Pusan National University School of Korean Medicine, Yangsan 50612, Republic of Korea
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Relative expression of microRNAs, apoptosis, and ultrastructure anomalies induced by gold nanoparticles in Trachyderma hispida (Coleoptera: Tenebrionidae). PLoS One 2020; 15:e0241837. [PMID: 33156883 PMCID: PMC7647063 DOI: 10.1371/journal.pone.0241837] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 10/21/2020] [Indexed: 01/07/2023] Open
Abstract
The extensive use of nanomaterials generates toxic effects on non-target species and the ecosystem. Although gold nanoparticles (Au-NPs) are generally expected to be safe, the recent study contains conflicting data regarding their cytotoxicity in the darkling beetles Trachyderma hispida. The study postulated cellular perturbation in the ovarian tissue of the beetles induced by a sublethal dose of Au-NPs (0.01 mg/g). When compared with the controls, a significant inhibition in the activities of the antioxidant enzymes selenium-dependent (GPOX) and selenium-independent (GSTP) glutathione peroxidases (GPx) was observed in the treated beetles. The study proposed microRNAs (miRNA-282 and miRNA-989) as genotoxic markers for the first time, reporting a significant suppression in their transcriptional levels in the treated beetles. Furthermore, TUNEL (Terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling) and flow cytometry assays (annexin V-Fitc) indicated a significant increase in ovarian cell apoptosis in the treated beetles. Additionally, an ultrastructure examination revealed pathological changes in the ovarian cells of the treated beetles. The resulting anomalies in the present study may interrupt the fecundity of the beetles and lead to the future suppression of beetle populations.
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Chen J, Goyal N, Dai L, Lin Z, Del Valle L, Zabaleta J, Liu J, Post SR, Foroozesh M, Qin Z. Developing new ceramide analogs and identifying novel sphingolipid-controlled genes against a virus-associated lymphoma. Blood 2020; 136:2175-2187. [PMID: 32518949 PMCID: PMC7645984 DOI: 10.1182/blood.2020005569] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/07/2020] [Indexed: 12/20/2022] Open
Abstract
Primary effusion lymphoma (PEL) is an aggressive malignancy with poor prognosis even under chemotherapy. Kaposi sarcoma-associated herpesvirus (KSHV), one of the human oncogenic viruses, is the principal causative agent. Currently, there is no specific treatment for PEL; therefore, developing new therapies is of great importance. Sphingolipid metabolism plays an important role in determining the fate of tumor cells. Our previous studies have demonstrated that there is a correlation between sphingolipid metabolism and KSHV+ tumor cell survival. To further develop sphingolipid metabolism-targeted therapy, after screening a series of newly synthesized ceramide analogs, here, we have identified compounds with effective anti-PEL activity. These compounds induce significant PEL apoptosis, cell-cycle arrest, and intracellular ceramide production through regulation of ceramide synthesizing or ceramide metabolizing enzymes and dramatically suppress tumor progression without visible toxicity in vivo. These new compounds also increase viral lytic gene expression in PEL cells. Our comparative transcriptomic analysis revealed their mechanisms of action for inducing PEL cell death and identified a subset of novel cellular genes, including AURKA and CDCA3, controlled by sphingolipid metabolism, and required for PEL survival with functional validation. These data provide the framework for the development of promising sphingolipid-based therapies against this virus-associated malignancy.
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MESH Headings
- Animals
- Apoptosis
- Aurora Kinase A/genetics
- Aurora Kinase A/metabolism
- Cell Cycle Proteins/genetics
- Cell Cycle Proteins/metabolism
- Cell Survival
- Ceramides/chemistry
- Ceramides/pharmacology
- Female
- Gene Expression Profiling
- Herpesvirus 8, Human/pathogenicity
- Humans
- Lymphoma, Primary Effusion/drug therapy
- Lymphoma, Primary Effusion/etiology
- Lymphoma, Primary Effusion/metabolism
- Lymphoma, Primary Effusion/pathology
- Mice
- Mice, Inbred NOD
- Mice, SCID
- Sarcoma, Kaposi/complications
- Sarcoma, Kaposi/virology
- Sphingolipids/pharmacology
- Tumor Cells, Cultured
- Virus Replication
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Jungang Chen
- Department of Pathology, Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR
| | - Navneet Goyal
- Department of Chemistry, Xavier University of Louisiana, New Orleans, LA
| | - Lu Dai
- Department of Pathology, Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR
| | - Zhen Lin
- Department of Pathology, Tulane University Health Sciences Center, Tulane Cancer Center, New Orleans, LA
| | | | - Jovanny Zabaleta
- Department of Pediatrics, Louisiana State University Health Sciences Center, Louisiana Cancer Research Center, New Orleans, LA; and
| | - Jiawang Liu
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN
| | - Steven R Post
- Department of Pathology, Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR
| | - Maryam Foroozesh
- Department of Chemistry, Xavier University of Louisiana, New Orleans, LA
| | - Zhiqiang Qin
- Department of Pathology, Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR
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Wassmer SJ, De Repentigny Y, Sheppard D, Lagali PS, Fang L, Coupland SG, Kothary R, Guy J, Hauswirth WW, Tsilfidis C. XIAP Protects Retinal Ganglion Cells in the Mutant ND4 Mouse Model of Leber Hereditary Optic Neuropathy. Invest Ophthalmol Vis Sci 2020; 61:49. [PMID: 32735323 PMCID: PMC7425697 DOI: 10.1167/iovs.61.8.49] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Purpose Leber hereditary optic neuropathy (LHON) is a genetic form of vision loss that occurs primarily owing to mutations in the nicotinamide adenine dinucleotide dehydrogenase (ND) subunits that make up complex I of the electron transport chain. LHON mutations result in the apoptotic death of retinal ganglion cells. We tested the hypothesis that gene therapy with the X-linked inhibitor of apoptosis (XIAP) would prevent retinal ganglion cell apoptosis and reduce disease progression in a vector-induced mouse model of LHON that carries the ND4 mutation. Methods Adeno-associated virus (AAV) encoding full length hemagglutinin-tagged XIAP (AAV2.HA-XIAP) or green fluorescent protein (AAV2.GFP) was injected into the vitreous of DBA/1J mice. Two weeks later, the LHON phenotype was induced by AAV delivery of mutant ND4 (AAV2.mND4FLAG) to the vitreous. Retinal function was assessed by pattern electroretinography. Optic nerves were harvested at 4 months, and the effects of XIAP therapy on nerve fiber layer and optic nerve integrity were evaluated using immunohistochemistry, transmission electron microscopy and magnetic resonance imaging. Results During LHON disease progression, retinal ganglion cell axons are lost. Apoptotic cell bodies are seen in the nuclei of astrocytes or oligodendrocytes in the optic nerve, and there is thinning of the optic nerve and the nerve fiber layer of the retina. At 4 months after disease onset, XIAP gene therapy protects the nerve fiber layer and optic nerve architecture by preserving axon health. XIAP also decreases nuclear fragmentation in resident astrocytes or oligodendrocytes and decreases glial cell infiltration. Conclusions XIAP therapy improves optic nerve health and delays disease progression in LHON.
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Ding L, Li B, Yu X, Li Z, Li X, Dang S, Lv Q, Wei J, Sun H, Chen H, Liu M, Li G. KIF15 facilitates gastric cancer via enhancing proliferation, inhibiting apoptosis, and predict poor prognosis. Cancer Cell Int 2020; 20:125. [PMID: 32322172 PMCID: PMC7160940 DOI: 10.1186/s12935-020-01199-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 03/31/2020] [Indexed: 12/19/2022] Open
Abstract
Background Kinesin superfamily proteins (KIFs) can transport membranous organelles and protein complexes in an ATP-dependent manner. Kinesin family member 15 (KIF15) is overexpressed in various cancers. However, the function of KIF15 in gastric cancer (GC) is still unclear. Methods GC patients’ data from The Cancer Genome Atlas (TCGA) were analyzed by bioinformatics methods. The expression of KIF15 was examined in GC and paracarcinoma tissues from 41 patients to verify the analysis results. The relationship between KIF15 expression and clinical characteristics were also observed by bioinformatics methods. Kaplan–Meier survival analysis of 122 GC patients in our hospital was performed to explore the relationship between KIF15 expression levels and GC patients’ prognosis. KIF15 was downregulated in GC cell lines AGS and SGC-7901 by transfecting a lentivirus-mediated shRNA plasmid targeting KIF15. In vitro, GC cell proliferation and apoptosis were detected by MTT assay, colony formation assay, and Annexin V-APC staining. In vivo, xenograft experiments were used to verify the in vitro results. Furthermore, Human Apoptosis Antibody Array kit was used to screen possible targets of KIF15 in GC cell lines. Results The bioinformatics results showed that KIF15 expression levels were higher in GC tissues than in normal tissues. IHC showed same results. High expression of KIF15 was statistical correlated with high age and early histologic stage. Kaplan–Meier curves indicated that high KIF15 expression predict poor prognosis in patients with GC. MTT assay and colony formation assay showed that KIF15 promote GC cell proliferation. Annexin V-APC staining found that KIF15 can inhibit GC cell apoptosis. Xenograft experiments reveal that downregulating KIF15 can inhibit GC tumor growth and promote GC apoptosis. Through detection of 43 anti-apoptotic proteins by the Human Apoptosis Antibody Array kit, it was confirmed that knocking down KIF15 can reduce seven anti-apoptotic proteins expression. Conclusions Taken together, our study revealed a critical role for KIF15 to inhibit GC cell apoptosis and promote GC cell proliferation. KIF15 may decrease anti-apoptotic proteins expression by regulating apoptosis pathways. High expression of KIF15 predicts a poor prognosis in patients with GC. KIF15 might be a novel prognostic biomarker and a therapeutic target for GC.
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Affiliation(s)
- Lixian Ding
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Bin Li
- 3Department of Clinical Laboratory, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001 Heilongjiang China
| | - Xiaotong Yu
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Zhongsheng Li
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Xinglong Li
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Shuwei Dang
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Qiang Lv
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Jiufeng Wei
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Haixia Sun
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Hongsheng Chen
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Ming Liu
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Guodong Li
- 1Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China.,2Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
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Mathuram TL, Venkatesan T, Das J, Natarajan U, Rathinavelu A. The apoptotic effect of GSK-3 inhibitors: BIO and CHIR 98014 on H1975 lung cancer cells through ROS generation and mitochondrial dysfunction. Biotechnol Lett 2020; 42:1351-1368. [PMID: 32236757 DOI: 10.1007/s10529-020-02861-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 03/06/2020] [Indexed: 02/06/2023]
Abstract
OBJECTIVE GSK-3 has been reported to be upregulated in malignant diseases, including lung cancers, thus suggesting it to be a valid target for cancer treatment. The study elucidates the possible mechanism involved in the ability of GSK-3 inhibitors: BIO and CHIR 98014 to regulate proteins involved in cell death of H1975 lung cancer cells. RESULTS BIO and CHIR 98014 successfully induced apoptosis at lower concentrations in H1975 cells but not in H460 lung cancer cells. Moreover, increased ROS generation and depolarization of mitochondrial membrane potential were observed in both treatments. Cleavage of caspase-3 was observed in both BIO and CHIR 98014-treated cells after 72 h with monolayer and tumorsphere cell culture models. CONCLUSIONS The use of GSK-3 inhibitors shows promising apoptotic abilities in clinical cancer treatments, particularly for lung cancer cells. This study is the first report to describe the significant apoptotic effects of BIO and CHIR 98014 through multiple mechanisms of H1975 NSCLC that are linked to their proliferative and migratory capacities.
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Affiliation(s)
- Theodore Lemuel Mathuram
- Rumbaugh-Goodwin Institute for Cancer Research, Nova Southeastern University, Ft. Lauderdale, FL, 33314, USA
| | - Thiagarajan Venkatesan
- Rumbaugh-Goodwin Institute for Cancer Research, Nova Southeastern University, Ft. Lauderdale, FL, 33314, USA
| | - Jayanta Das
- Rumbaugh-Goodwin Institute for Cancer Research, Nova Southeastern University, Ft. Lauderdale, FL, 33314, USA
| | - Umamaheswari Natarajan
- Rumbaugh-Goodwin Institute for Cancer Research, Nova Southeastern University, Ft. Lauderdale, FL, 33314, USA
| | - Appu Rathinavelu
- Rumbaugh-Goodwin Institute for Cancer Research, Nova Southeastern University, Ft. Lauderdale, FL, 33314, USA. .,Health Professions Division, College of Pharmacy, Nova Southeastern University, Ft. Lauderdale, FL, 33314, USA.
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Hsu FT, Chiang I, Wang W. Induction of apoptosis through extrinsic/intrinsic pathways and suppression of ERK/NF-κB signalling participate in anti-glioblastoma of imipramine. J Cell Mol Med 2020; 24:3982-4000. [PMID: 32149465 PMCID: PMC7171418 DOI: 10.1111/jcmm.15022] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 11/27/2019] [Accepted: 01/06/2020] [Indexed: 12/11/2022] Open
Abstract
Glioblastomas are the most aggressive type of brain tumour, with poor prognosis even after standard treatment such as surgical resection, temozolomide and radiation therapy. The overexpression of the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) in glioblastomas is recognized as an important treatment target. Thus, an urgent need regarding glioblastomas is the development of a new, suitable agent that may show potential for the inhibition of extracellular signal-regulated kinase (ERK)/NF-κB-mediated glioblastoma progression. Imipramine, a tricyclic antidepressant, has anti-inflammatory actions against inflamed glial cells; additionally, imipramine can induce glioblastoma toxicity via the activation of autophagy. However, whether imipramine can suppress glioblastoma progression via the induction of apoptosis and blockage of ERK/NF-κB signalling remains unclear. The main purpose of this study was to investigate the effects of imipramine on apoptotic signalling and ERK/NF-κB-mediated glioblastoma progression by using cell proliferation (3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide [MTT] assay), flow cytometry, Western blotting, and cell invasion/migration assay analysis in vitro. The ERK and NF-κB inhibitory capacity of imipramine is detected by NF-κB reporter gene assay and Western blotting. Additionally, a glioblastoma-bearing animal model was used to validate the therapeutic efficacy and general toxicity of imipramine. Our results demonstrated that imipramine successfully triggered apoptosis through extrinsic/intrinsic pathways and suppressed the invasion/migration ability of glioblastoma cells. Furthermore, imipramine effectively suppressed glioblastoma progression in vivo via the inhibition of the ERK/NF-κB pathway. In summary, imipramine is a potential anti-glioblastoma drug which induces apoptosis and has the capacity to inhibit ERK/NF-κB signalling.
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Affiliation(s)
- Fei-Ting Hsu
- Department of Biological Science and TechnologyChina Medical UniversityTaichungTaiwan
| | - I‐Tsang Chiang
- Department of Radiation OncologyShow Chwan Memorial HospitalChanghuaTaiwan
- Department of Radiation OncologyChang Bing Show Chwan Memorial HospitalLukangTaiwan
- Department of Medical Imaging and Radiological SciencesCentral Taiwan University of Science and TechnologyTaichungTaiwan
| | - Wei‐Shu Wang
- Department of MedicineNational Yang‐Ming University HospitalYilanTaiwan
- School of MedicineNational Yang‐Ming UniversityTaipeiTaiwan
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Chen T, Zhu C, Ye C. LncRNA CYTOR attenuates sepsis-induced myocardial injury via regulating miR-24/XIAP. Cell Biochem Funct 2020; 38:976-985. [PMID: 32181504 DOI: 10.1002/cbf.3524] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 01/04/2020] [Accepted: 01/20/2020] [Indexed: 02/06/2023]
Abstract
This work aims to investigate the function and mechanism of long non-coding RNA (lncRNA) cytoskeleton regulator RNA (CYTOR) in myocardial injury induced by sepsis. The sepsis-induced myocardial injury model in mice was established by intraperitoneal injection of LPS (10 mg/kg) in vivo, and cardiomyocyte H9c2 was treated with LPS to mimic sepsis in vitro. CYTOR expression and miR-24 expression were detected by qRT-PCR. After up-regulation or down-regulation of CYTOR and miR-24 expression in the H9c2 cells, and the viability of the cells was detected via MTT assay, and cell apoptosis was detected by TUNEL assay. Western blot was applied to determine the expression level of caspase 3, Bax and X-chromosome-linked inhibitor of apoptosis (XIAP). Interaction between CYTOR and miR-24 was determined by bioinformatics analysis, RT-PCR and dual luciferase reporter assay. Interaction between miR-24 and XIAP was determined through bioinformatics analysis, RT-PCR, western blot and dual luciferase reporter assay. CYTOR was markedly down-regulated. CYTOR interacted with miR-24, and negatively regulated its expression level. Over-expression of CYTOR or transfection of miR-24 inhibitors significantly promoted viability and inhibited apoptosis of H9c2 cells, while the knockdown of CYTOR and transfection of miR-24 mimics had opposite effects. CYTOR suppressed the expression level of apoptosis-related proteins, but miR-24 increased them. miR-24 directly targeted the 3'UTR of XIAP, and suppressed it, and XIAP was modulated indirectly by CYTOR. Down-regulation of CYTOR aggravates sepsis-induced cardiac injury via regulating miR-24 and XIAP.
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Affiliation(s)
- Ting Chen
- Intensive Care Unit, The Second People's Hospital of Heifei, Hefei, China
| | - Chunyan Zhu
- Intensive Care Unit, Anhui Provincial Hospital, the First Affiliated Hospital of University of Science and Technology of China, Heifei, China
| | - Chongyang Ye
- Intensive Care Unit, Anhui Provincial Hospital, the First Affiliated Hospital of University of Science and Technology of China, Heifei, China
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Jin Y, Lu X, Wang M, Zhao X, Xue L. X-linked inhibitor of apoptosis protein accelerates migration by inducing epithelial-mesenchymal transition through TGF-β signaling pathway in esophageal cancer cells. Cell Biosci 2019; 9:76. [PMID: 31548877 PMCID: PMC6749643 DOI: 10.1186/s13578-019-0338-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 09/09/2019] [Indexed: 01/06/2023] Open
Abstract
Background The prognosis of esophageal cancer is still dismal because of its high probability of metastasis that is likely related to the cellular process of epithelial–mesenchymal transition (EMT). Recent studies have shown a novel role of X-linked inhibitor of apoptosis protein (XIAP) in regulating the migration process of cancer cells and, therefore, linking to progression and poor prognosis of cancer. Methods The expression of XIAP in esophageal squamous cell cancer (ESCC) tissues was determined by immunohistochemistry assay. Cell migration was analyzed by wound healing assay and Transwell assay. The expression of EMT markers (E-cadherin, N-cadherin and Vimentin) was revealed by immunofluorescence assay. Quantitative real‑time PCR analysis and Western blot analysis were used to detect the expression of XIAP and EMT markers as well as transforming growth factor-β (TGF-β) at mRNA and protein level, respectively. Results We found that the expression of XIAP closely correlated to the probability of lymphatic metastasis in patients and that ESCC patients with the high XIAP expression were associated with worse overall survival (OS). Univariate and multivariate analysis also revealed XIAP as an independent prognostic factor for overall survival in ESCC patients. In both EC9706 and TE13 cell lines, knockdown of XIAP decreased the migration of cancer cells by inhibiting EMT process through regulating the TGF-β signaling pathway, pinpointing a regulatory role of XIAP in migratory process upon TGF-β activation. Conclusions Taken together, our results suggest XIAP as a important prognostic and regulative factor in ESCC patients. XIAP may promote migration of esophageal cancer cells through the activation of TGF-β mediated EMT.
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Affiliation(s)
- Yuxiang Jin
- Department of Thoracic Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai, 200003 People's Republic of China
| | - Xinye Lu
- Department of Thoracic Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai, 200003 People's Republic of China
| | - Mingdong Wang
- Department of Thoracic Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai, 200003 People's Republic of China
| | - Xuewei Zhao
- Department of Thoracic Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai, 200003 People's Republic of China
| | - Lei Xue
- Department of Thoracic Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai, 200003 People's Republic of China
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Particulate Matter 2.5 Mediates Cutaneous Cellular Injury by Inducing Mitochondria-Associated Endoplasmic Reticulum Stress: Protective Effects of Ginsenoside Rb1. Antioxidants (Basel) 2019; 8:antiox8090383. [PMID: 31505827 PMCID: PMC6769862 DOI: 10.3390/antiox8090383] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 08/25/2019] [Accepted: 09/08/2019] [Indexed: 12/14/2022] Open
Abstract
The prevalence of fine particulate matter-induced harm to the human body is increasing daily. The aim of this study was to elucidate the mechanism by which particulate matter 2.5 (PM2.5) induces damage in human HaCaT keratinocytes and normal human dermal fibroblasts, and to evaluate the preventive capacity of the ginsenoside Rb1. PM2.5 induced oxidative stress by increasing the production of reactive oxygen species, leading to DNA damage, lipid peroxidation, and protein carbonylation; this effect was inhibited by ginsenoside Rb1. Through gene silencing of endoplasmic reticulum (ER) stress-related genes such as PERK, IRE1, ATF, and CHOP, and through the use of the ER stress inhibitor tauroursodeoxycholic acid (TUDCA), it was demonstrated that PM2.5-induced ER stress also causes apoptosis and ultimately leads to cell death; however, this phenomenon was reversed by ginsenoside Rb1. We also found that TUDCA partially restored the production of ATP that was inhibited by PM2.5, and its recovery ability was significantly higher than that of ginsenoside Rb1, indicating that the process of ER stress leading to cell damage may also occur via the mitochondrial pathway. We concluded that ER stress acts alone or via the mitochondrial pathway in the induction of cell damage by PM2.5, and that ginsenoside Rb1 blocks this process. Ginsenoside Rb1 shows potential for use in skin care products to protect the skin against damage by fine particles.
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Li X, Guo S, Xiong XK, Peng BY, Huang JM, Chen MF, Wang FY, Wang JN. Combination of quercetin and cisplatin enhances apoptosis in OSCC cells by downregulating xIAP through the NF-κB pathway. J Cancer 2019; 10:4509-4521. [PMID: 31528215 PMCID: PMC6746132 DOI: 10.7150/jca.31045] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 04/24/2019] [Indexed: 12/28/2022] Open
Abstract
While cisplatin is a first-line chemotherapeutic drug commonly used to treat patients with oral squamous cell carcinoma (OSCC), the cisplatin-resistance poses a major challenge for its clinical application. Recent studies have shown that quercetin, a natural flavonoid found in various plants and foods possesses an anti-cancer effect. The following study examined the combined effect of quercetin and cisplatin on OSCC apoptosis in vitro and in vivo (using a mice tumor model). We found that quercetin promotes cisplatin-induced apoptosis in human OSCC (cell lines Tca-8113 and SCC-15) by down-regulating NF-κB. Pretreatment of cancer cells with quercetin inhibited the phosphorylation Akt and IKKβ, and led to the suppression of NF-κB and anti-apoptotic protein xIAP. In addition, we observed that the pretreatment of cancer cells with quercetin improves extrinsic and intrinsic apoptosis by activating caspase-8 and caspase-9, respectively. Our in vivo data also indicated that the combination of quercetin and cisplatin may inhibit the xenograft growth in mice. To sum up, our results provide a new evidence for the application of quercetin and cisplatin in OSCC therapy.
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Affiliation(s)
- Xin Li
- Guangdong Provincial Center for Disease Control and Prevention, 160 Qunxian Road, Dashi, Panyu District, Guangzhou, Guangdong Province, P.R. China, 511430
| | - Shu Guo
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, Guangdong Province, P.R. China, 510655
| | - Xi-Kun Xiong
- Guangdong Provincial Center for Disease Control and Prevention, 160 Qunxian Road, Dashi, Panyu District, Guangzhou, Guangdong Province, P.R. China, 511430
| | - Bao-Ying Peng
- Guangdong Provincial Center for Disease Control and Prevention, 160 Qunxian Road, Dashi, Panyu District, Guangzhou, Guangdong Province, P.R. China, 511430
| | - Jun-Ming Huang
- Guangdong Provincial Center for Disease Control and Prevention, 160 Qunxian Road, Dashi, Panyu District, Guangzhou, Guangdong Province, P.R. China, 511430
| | - Mei-Fen Chen
- Guangdong Provincial Center for Disease Control and Prevention, 160 Qunxian Road, Dashi, Panyu District, Guangzhou, Guangdong Province, P.R. China, 511430
| | - Feng-Yan Wang
- Guangdong Provincial Center for Disease Control and Prevention, 160 Qunxian Road, Dashi, Panyu District, Guangzhou, Guangdong Province, P.R. China, 511430
| | - Jian-Ning Wang
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Hospital of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, 56, Ling Yuan Xi Road, Guangzhou, Guangdong Province, P.R. China, 510055
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Sea Cucumber ( Stichopus japonicas) F2 Enhanced TRAIL-Induced Apoptosis via XIAP Ubiquitination and ER Stress in Colorectal Cancer Cells. Nutrients 2019; 11:nu11051061. [PMID: 31083595 PMCID: PMC6567290 DOI: 10.3390/nu11051061] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 05/08/2019] [Indexed: 01/16/2023] Open
Abstract
Natural products have shown great promise in sensitizing cells to TNF-related apoptosis-inducing ligand (TRAIL) therapy. Sea cucumber (SC) extracts possess antitumor activity, and hence their potential to sensitize colorectal cancer (CRC) cells to TRAIL therapy was evaluated. This study used Western blotting to evaluate the combination effects of SC and TRAIL in CRC, and determined the molecular mechanism underlying these effects. SC fractions and TRAIL alone did not affect apoptosis; however, combined treatment dramatically induced the apoptosis of CRC cells, but not of normal colon cells. Combined treatment induced the expression of apoptotic proteins (poly (ADP-ribose) polymerase (PARP), caspase 3, and 8), and this effect was markedly inhibited by the ubiquitination of X-linked inhibitor of apoptosis protein (XIAP). SC did not affect the mRNA levels, but it increased proteasomal degradation and ubiquitination of the XIAP protein. Furthermore, SC induced reactive oxygen species (ROS) production, thereby activating c-Jun N-terminal kinase (JNK) and endoplasmic reticulum (ER) stress-related apoptotic pathways in CRC. Altogether, our results demonstrate that the SC F2 fraction may sensitize CRC cells to TRAIL-induced apoptosis through XIAP ubiquitination and ER stress.
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Jafri A, Bano S, Rais J, Khan F, Shivnath N, Sharma AK, Arshad M. Phytochemical screening of Sterculia foetida seed extract for anti-oxidant, anti-microbial activity, and detection of apoptosis through reactive oxygen species (ROS) generation, mitochondrial membrane potential (MMP) decrease, and nuclear fragmentation in human osteosarcoma cells. J Histotechnol 2019. [DOI: 10.1080/01478885.2019.1592832] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Asif Jafri
- Molecular Endocrinology Lab, Department of Zoology, University of Lucknow, Lucknow, Uttar Pradesh, India
| | - Shabana Bano
- Protozoology Research Lab, Department of Zoology, University of Lucknow, Lucknow, Uttar Pradesh, India
| | - Juhi Rais
- Molecular Endocrinology Lab, Department of Zoology, University of Lucknow, Lucknow, Uttar Pradesh, India
| | - Fahad Khan
- Department of Biosciences, Integral University, Lucknow, Uttar Pradesh, India
| | - Neelam Shivnath
- Molecular Endocrinology Lab, Department of Zoology, University of Lucknow, Lucknow, Uttar Pradesh, India
| | - AK Sharma
- Protozoology Research Lab, Department of Zoology, University of Lucknow, Lucknow, Uttar Pradesh, India
| | - Md Arshad
- Molecular Endocrinology Lab, Department of Zoology, University of Lucknow, Lucknow, Uttar Pradesh, India
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33
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Li S, Pan B, Li L, Shi B, Xie F, He C. Prognostic significance of X-linked inhibitor of apoptosis protein in solid tumors: A systematic review and meta-analysis. J Cell Physiol 2019; 234:18111-18122. [PMID: 30847951 DOI: 10.1002/jcp.28443] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Revised: 02/01/2019] [Accepted: 02/14/2019] [Indexed: 12/23/2022]
Abstract
X-linked inhibitor of apoptosis protein (XIAP) is aberrantly expressed in solid tumors. Considering conflicting data, we conducted this meta-analysis to investigate its prognostic role. Electronic databases were searched to collect studies about associations between XIAP expressions and survival outcomes. Hazard ratio (HR), odds ratio (OR), and 95% confidence interval (CI) were utilized as effect size estimates. A total of 3,794 patients from 21 published studies were included. The results revealed that high XIAP expressions correlated with age (OR = 2.02; 95% CI, 1.07-3.84), lymph node metastasis (OR = 1.69; 95% CI, 1.02-2.77), histological grade (OR = 2.04; 95% CI, 1.01-4.11), and tumor stage (OR = 2.18; 95% CI, 1.20-3.96). The combined HR revealed that high XIAP expressions associated with poor overall survival (OS) (HR = 1.60; 95% CI, 1.22-2.10). Our study suggested high XIAP expressions may be indicative of poor prognosis in solid tumors.
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Affiliation(s)
- Shimeng Li
- Department of Clinical Laboratory, Jilin University China-Japan Union Hospital, Changchun, Jilin, China
| | - Baoxiang Pan
- Department of Stomatology, Jilin University School Infirmary, Changchun, Jilin, China
| | - Lihong Li
- Department of Clinical Laboratory, Jilin University China-Japan Union Hospital, Changchun, Jilin, China
| | - Bo Shi
- Department of Anesthesiology, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Feng Xie
- Department of Clinical Laboratory, Jilin University China-Japan Union Hospital, Changchun, Jilin, China
| | - Chengyan He
- Department of Clinical Laboratory, Jilin University China-Japan Union Hospital, Changchun, Jilin, China
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34
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Diphlorethohydroxycarmalol Attenuates Fine Particulate Matter-Induced Subcellular Skin Dysfunction. Mar Drugs 2019; 17:md17020095. [PMID: 30717280 PMCID: PMC6410332 DOI: 10.3390/md17020095] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 01/16/2019] [Accepted: 01/26/2019] [Indexed: 12/12/2022] Open
Abstract
The skin, the largest organ in humans, is exposed to major sources of outdoor air pollution, such as fine particulate matter with a diameter ≤ 2.5 µm (PM2.5). Diphlorethohydroxycarmalol (DPHC), a marine-based compound, possesses multiple activities including antioxidant effect. In the present study, we evaluated the protective effect of DPHC on PM2.5-induced skin cell damage and elucidated the underlying mechanisms in vitro and in vivo. The results showed that DPHC blocked PM2.5-induced reactive oxygen species generation in human keratinocytes. In addition, DPHC protected cells against PM2.5-induced DNA damage, endoplasmic reticulum stress, and autophagy. HR-1 hairless mice exposed to PM2.5 showed lipid peroxidation, protein carbonylation, and increased epidermal height, which were inhibited by DPHC. Moreover, PM2.5 induced apoptosis and mitogen-activated protein kinase (MAPK) protein expression; however, these changes were attenuated by DPHC. MAPK inhibitors were used to elucidate the molecular mechanisms underlying these actions, and the results demonstrated that MAPK signaling pathway may play a key role in PM2.5-induced skin damage.
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35
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Zhang Y, Huang F, Luo Q, Wu X, Liu Z, Chen H, Huang Y. Inhibition of XIAP increases carboplatin sensitivity in ovarian cancer. Onco Targets Ther 2018; 11:8751-8759. [PMID: 30584333 PMCID: PMC6287417 DOI: 10.2147/ott.s171053] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Purpose Carboplatin is a first-line treatment for ovarian cancer. However, most patients develop resistance and undergo disease recurrence. This study aims to explore the relationship between the expression of X-linked inhibitor of apoptosis protein (XIAP) and carboplatin sensitivity in ovarian cancer. Patients and methods We examined the expression of XIAP in ovarian cancer by immuno-chemistry. Next, we investigated the role of XIAP in regulating carboplatin sensitivity in ovarian cancer ES2 and 3AO cells through Cell Counting Kit-8 cell viability assay and fluorescein isothiocyanate-Annexin V/propidium iodide apoptosis assay. Expression of apoptotic effectors was measured by Western blot. Results The immunochemistry results showed that high XIAP expression levels inversely correlated with carboplatin response (P=0.03) and progression-free survival (P=0.0068) in patients with ovarian cancer. Knockdown of XIAP repressed the cell viabilities in the carboplatin-treated cells and increased carboplatin-induced caspase activation. In summary, our data show that XIAP mediates carboplatin sensitivity of ovarian cancer. Conclusion In summary, our data show that XIAP mediates carboplatin sensitivity of ovarian cancer and XIAP may be a novel target for the treatment of carboplatin-resistant ovarian cancer.
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Affiliation(s)
- Yiping Zhang
- Cancer Institute, College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China, .,China National Center for Biotechnology Development, Beijing, China
| | - Furong Huang
- The State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China,
| | - Qingyu Luo
- The State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China,
| | - Xiaowei Wu
- The State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China,
| | - Zhihua Liu
- The State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China,
| | - Hongyan Chen
- The State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China,
| | - Yinghui Huang
- Cancer Institute, College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China,
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36
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Concomitance of downregulated active caspase-3 and upregulated X-chromosome linked inhibitor of apoptosis protein as a sensitive diagnostic approach for breast cancer. Mol Cell Biochem 2018; 455:159-167. [PMID: 30446907 DOI: 10.1007/s11010-018-3479-5] [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: 05/18/2018] [Accepted: 11/10/2018] [Indexed: 10/27/2022]
Abstract
We aimed to explore the efficacy of active caspase-3 and X-chromosome linked inhibitor of apoptosis protein (XIAP) as diagnostic markers for breast cancer. Furthermore, we examined the relationship between the examined parameters and clinicopathological factors. The current study involved 96 patients diagnosed with breast cancer and 40 patients had benign breast diseases. The expression of active caspase-3 was analyzed by both ELISA and Western blot, whereas the expression of XIAP was determined by ELISA in cell lysates. Active caspase-3 was significantly downregulated, while XIAP was markedly upregulated in patients with breast cancer in comparison to benign group. A significant negative correlation was observed between active caspase-3 and XIAP in breast cancer patients. Low active caspase-3 expression was associated with high grade, whereas, the high XIAP level was correlated with poorly differentiated tumors and late tumor stages. The sensitivity and specificity were 73.96% and 80.0% for active caspase-3, and, 70.83% and 82.5% for XIAP. A combination of active caspase-3 and XIAP provided a promising sensitivity of 88.54% and specificity of 90.0%. Our data indicate that active caspase-3 and XIAP could be substantial diagnostic markers for breast cancer patients.
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37
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Manshian BB, Pokhrel S, Mädler L, Soenen SJ. The impact of nanoparticle-driven lysosomal alkalinization on cellular functionality. J Nanobiotechnology 2018; 16:85. [PMID: 30382919 PMCID: PMC6208102 DOI: 10.1186/s12951-018-0413-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 10/25/2018] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND The biomedical use of nanosized materials is rapidly gaining interest, which drives the quest to elucidate the behavior of nanoparticles (NPs) in a biological environment. Apart from causing direct cell death, NPs can affect cellular wellbeing through a wide range of more subtle processes that are often overlooked. Here, we aimed to study the effect of two biomedically interesting NP types on cellular wellbeing. RESULTS In the present work, gold and SiO2 NPs of similar size and surface charge are used and their interactions with cultured cells is studied. Initial screening shows that at subcytotoxic conditions gold NPs induces cytoskeletal aberrations while SiO2 NPs do not. However, these transformations are only transient. In-depth investigation reveals that Au NPs reduce lysosomal activity by alkalinization of the lysosomal lumen. This leads to an accumulation of autophagosomes, resulting in a reduced cellular degradative capacity and less efficient clearance of damaged mitochondria. The autophagosome accumulation induces Rac and Cdc42 activity, and at a later stage activates RhoA. These transient cellular changes also affect cell functionality, where Au NP-labelled cells display significantly impeded cell migration and invasion. CONCLUSIONS These data highlight the importance of in-depth understanding of bio-nano interactions to elucidate how one biological parameter (impact on cellular degradation) can induce a cascade of different effects that may have significant implications on the further use of labeled cells.
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Affiliation(s)
- Bella B Manshian
- NanoHealth and Optical Imaging Group, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium.,Molecular Small Animal Imaging Center, KU Leuven, Leuven, Belgium
| | - Suman Pokhrel
- Foundation Institute of Materials Science (IWT), Department of Production Engineering, University of Bremen, 28359, Bremen, Germany.,Leibniz Institute for Materials Engineering IWT, Badgasteiner Str. 3, 28359, Bremen, Germany
| | - Lutz Mädler
- Foundation Institute of Materials Science (IWT), Department of Production Engineering, University of Bremen, 28359, Bremen, Germany.,Leibniz Institute for Materials Engineering IWT, Badgasteiner Str. 3, 28359, Bremen, Germany
| | - Stefaan J Soenen
- NanoHealth and Optical Imaging Group, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium. .,Molecular Small Animal Imaging Center, KU Leuven, Leuven, Belgium.
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38
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Han Z, Li Q, Sun S, Zhao W, Shi L. Inactivated Sendai virus strain Tianjin induces apoptosis and autophagy through reactive oxygen species production in osteosarcoma MG-63 cells. J Cell Physiol 2018; 234:4179-4190. [PMID: 30146726 DOI: 10.1002/jcp.27176] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 07/17/2018] [Indexed: 12/20/2022]
Abstract
Sendai virus strain Tianjin, a novel genotype of Sendai virus, has been proven to possess potent antitumor effect on certain cancer cell types although inactivated by ultraviolet (UV). This study was carried out to investigate the in vitro anticancer properties of UV-inactivated Sendai virus strain Tianjin (UV-Tianjin) on human osteosarcoma cells and the underlying molecular mechanism. Our studies demonstrated UV-Tianjin significantly inhibited the viability of human osteosarcoma cell lines and triggered apoptosis through activation of both extrinsic and intrinsic pathways in MG-63 cells. Meanwhile, autophagy occurred in UV-Tianjin-treated cells. Blockade of autophagy with 3-methyladenine remarkably attenuated the inhibition of cell proliferation by UV-Tianjin, suggesting that UV-Tianjin-induced autophagy may be contributing to cell death. Furthermore, UV-Tianjin induced reactive oxygen species (ROS) production, which was involved in the execution of MG-63 cell apoptosis and autophagy, as evidenced by the result that treatment of N-acetyl-L-cysteine, a ROS scavenger, attenuated both apoptosis and autophagy. In addition, inhibition of apoptosis promoted autophagy, whereas suppression of autophagy attenuated apoptosis. Our results suggest that UV-Tianjin triggers apoptosis and autophagic cell death via generation of the ROS in MG-63 cells, which might provide important insights into the effectiveness of novel strategies for osteosarcoma therapy.
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Affiliation(s)
- Zhe Han
- Department of Orthopedics, Tianjin hospital, Tianjin, China.,Department of Pathogenic Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Qing Li
- Department of Pathogenic Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Shuya Sun
- Department of Pathogenic Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Wei Zhao
- Department of Emergency & General Department, Stomatological Hospital of Tianjin Medical University, Tianjin, China
| | - Liying Shi
- Department of Pathogenic Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
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The role of XIAP in resistance to TNF-related apoptosis-inducing ligand (TRAIL) in Leukemia. Biomed Pharmacother 2018; 107:1010-1019. [PMID: 30257312 DOI: 10.1016/j.biopha.2018.08.065] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 08/13/2018] [Accepted: 08/15/2018] [Indexed: 12/13/2022] Open
Abstract
The treatment for leukemic malignancies remains a challenge despite the wide use of conventional chemotherapies. Therefore, new therapeutic approaches are highly demanded. TNF-related apoptosis-inducing ligand (TRAIL) represents a targeted therapy against cancer because it induces apoptosis only in tumor cells. TRAIL is currently under investigation for the treatment of leukemia. Preclinical studies evaluated the potential therapeutic efficacy of TRAIL on cell lines and clinical samples and showed promising results. However, like most anti-cancer drugs, resistance to TRAIL-induced apoptosis may limit its clinical efficacy. It is critical to understand the molecular mechanisms of TRAIL. Therefore, rational therapeutic drug combinations for clinical trials of TRAIL-based therapies might be achieved. In a variety of leukemic cells, overexpression of X-linked inhibitor of apoptosis protein (XIAP), a negative regulator of apoptosis pathway, has been discovered. Implication of XIAP in the ineffective induction of cell death by TRAIL in leukemia has been explored in several resistant cell lines. XIAP inhibitors restored TRAIL sensitivity in resistant cells and primary leukemic blasts. Moreover, TRAIL resistance in leukemic cells could be overcome by the effects of several anti-leukemic agents via the mechanisms of XIAP downregulation. Here, we discuss targeting XIAP, a strategy to restore TRAIL sensitivity in leukemia to acquire more insights into the mechanisms of TRAIL resistance. The concluding remarks may lead to identify putative ways to resensitize tumors.
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40
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Piao MJ, Ahn MJ, Kang KA, Ryu YS, Hyun YJ, Shilnikova K, Zhen AX, Jeong JW, Choi YH, Kang HK, Koh YS, Hyun JW. Particulate matter 2.5 damages skin cells by inducing oxidative stress, subcellular organelle dysfunction, and apoptosis. Arch Toxicol 2018; 92:2077-2091. [PMID: 29582092 PMCID: PMC6002468 DOI: 10.1007/s00204-018-2197-9] [Citation(s) in RCA: 210] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 03/21/2018] [Indexed: 01/16/2023]
Abstract
The skin is the largest organ of the human body and the one mostly exposed to outdoor contaminants. To evaluate the biological mechanisms underlying skin damage caused by fine particulate matter (PM2.5), we analyzed the effects of PM2.5 on cultured human keratinocytes and the skin of experimental animals. PM2.5 was applied to human HaCaT keratinocytes at 50 µg/mL for 24 h and to mouse skin at 100 µg/mL for 7 days. The results indicate that PM2.5 induced oxidative stress by generating reactive oxygen species both in vitro and in vivo, which led to DNA damage, lipid peroxidation, and protein carbonylation. As a result, PM2.5 induced endoplasmic reticulum stress, mitochondrial swelling, and autophagy, and caused apoptosis in HaCaT cells and mouse skin tissue. The PM2.5-induced cell damage was attenuated by antioxidant N-acetyl cysteine, confirming that PM2.5 cellular toxicity was due to oxidative stress. These findings contribute to understanding of the pathophysiological mechanisms triggered in the skin by PM2.5, among which oxidative stress may play a major role.
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Affiliation(s)
- Mei Jing Piao
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju, 63243, Republic of Korea
| | - Mee Jung Ahn
- Laboratory of Veterinary Anatomy, College of Veterinary Medicine, Jeju National University, Jeju, 63243, Republic of Korea
| | - Kyoung Ah Kang
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju, 63243, Republic of Korea
| | - Yea Seong Ryu
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju, 63243, Republic of Korea
| | - Yu Jae Hyun
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju, 63243, Republic of Korea
| | - Kristina Shilnikova
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju, 63243, Republic of Korea
| | - Ao Xuan Zhen
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju, 63243, Republic of Korea
| | - Jin Woo Jeong
- Department of Biochemistry, College of Oriental Medicine, Dongeui University, Busan, 47340, Republic of Korea
| | - Yung Hyun Choi
- Department of Biochemistry, College of Oriental Medicine, Dongeui University, Busan, 47340, Republic of Korea
| | - Hee Kyoung Kang
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju, 63243, Republic of Korea
| | - Young Sang Koh
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju, 63243, Republic of Korea
| | - Jin Won Hyun
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju, 63243, Republic of Korea.
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41
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Zhang J, Ming C, Zhang W, Okechukwu PN, Morak-Młodawska B, Pluta K, Jeleń M, Akim AM, Ang KP, Ooi KK. 10 H-3,6-Diazaphenothiazine induces G 2/M phase cell cycle arrest and caspase-dependent apoptosis and inhibits cell invasion of A2780 ovarian carcinoma cells through the regulation of NF-κB and (BIRC6-XIAP) complexes. DRUG DESIGN DEVELOPMENT AND THERAPY 2017; 11:3045-3063. [PMID: 29123378 PMCID: PMC5661483 DOI: 10.2147/dddt.s144415] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The asymptomatic properties and high treatment resistance of ovarian cancer result in poor treatment outcomes and high mortality rates. Although the fundamental chemotherapy provides promising anticancer activities, it is associated with severe side effects. The derivative of phenothiazine, namely, 10H-3,6-diazaphenothiazine (PTZ), was synthesized and reported with ideal anticancer effects in a previous paper. In this study, detailed anticancer properties of PTZ was examined on A2780 ovarian cancer cells by investigating the cytotoxicity profiles, mechanism of apoptosis, and cell invasion. Research outcomes revealed PTZ-induced dose-dependent inhibition on A2780 cancer cells (IC50 =0.62 µM), with significant less cytotoxicity toward HEK293 normal kidney cells and H9C2 normal heart cells. Generation of reactive oxygen species (ROS) and polarization of mitochondrial membrane potential (ΔΨm) suggests PTZ-induced cell death through oxidative damage. The RT2 Profiler PCR Array on apoptosis pathway demonstrated PTZ-induced apoptosis via intrinsic (mitochondria-dependent) and extrinsic (cell death receptor-dependent) pathway. Inhibition of NF-κB and subsequent inhibition of (BIRC6-XIAP) complex activities reduced the invasion rate of A2780 cancer cells penetrating through the Matrigel™ Invasion Chamber. Lastly, the cell cycle analysis hypothesizes that the compound is cytostatic and significantly arrests cell proliferation at G2/M phase. Hence, the exploration of the underlying anticancer mechanism of PTZ suggested its usage as promising chemotherapeutic agent.
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Affiliation(s)
- Jianxin Zhang
- Department of Gynecology and Obstetrics, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing
| | - Chen Ming
- Department of Gynecologic Oncology, Taizhou People's Hospital, Jiangsu, People's Republic of China
| | | | | | - Beata Morak-Młodawska
- Department of Organic Chemistry, School of Pharmacy with the Division of Laboratory Medicine, The Medical University of Silesia, Sosnowiec, Poland
| | - Krystian Pluta
- Department of Organic Chemistry, School of Pharmacy with the Division of Laboratory Medicine, The Medical University of Silesia, Sosnowiec, Poland
| | - Małgorzata Jeleń
- Department of Organic Chemistry, School of Pharmacy with the Division of Laboratory Medicine, The Medical University of Silesia, Sosnowiec, Poland
| | - Abdah Md Akim
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang
| | | | - Kah Kooi Ooi
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang.,Research Centre for Crystaline Materials, School of Science and Technology, Sunway University, Petaling Jaya, Malaysia
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42
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Liu Y, Zhang B, Shi T, Qin H. Inhibition of X-linked inhibitor of apoptosis protein suppresses tumorigenesis and enhances chemosensitivity in anaplastic thyroid carcinoma. Oncotarget 2017; 8:95764-95772. [PMID: 29221164 PMCID: PMC5707058 DOI: 10.18632/oncotarget.21320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 08/17/2017] [Indexed: 12/15/2022] Open
Abstract
Anaplastic thyroid carcinoma (ATC) is one of the most lethal carcinoma with a poor prognosis; however, molecular mechanisms underlying the aggressiveness of ATC remain unclear. Our goal was to examine the expression of X-linked inhibitor of apoptosis protein (XIAP) in ATC, as well as its role in ATC tumorigenesis. This is a retrospective study of ATC patients from the Second Affiliated Hospital of Harbin Medical University during June 2003 to October 2013. The expression of XIAP in tumor specimens of ATC patients was examined by immunohistochemical staining. The roles of XIAP in proliferation, migration, invasion, and chemoresistance were investigated by shRNA mediated-knockdown of XIAP in human ATC cell lines. The effect of XIAP on tumorigenesis was evaluated using a xenograft tumor model with nude mice. XIAP expression was significantly higher in the invasive area of ATC samples, whereas XIAP expression was negative in either normal thyroid follicular epithelial cells or the differentiated papillary thyroid carcinoma. XIAP-depleted ATC cells showed a remarkable decrease in the proliferation, migration, and invasion compared with the scramble group. Knockdown of XIAP expression significantly enhanced the chemosensitivity of WRO and SW1736 cells to docetaxel or taxane. Moreover, knockdown of XIAP significantly suppressed ATC tumorigenesis in vivo. XIAP is highly expressed in ATC cells and tumors. XIAP play important roles in tumor behaviors and chemosensitivity of ATC cells. XIAP may function in ATC aggressiveness and may serve as a potential therapeutic target for ATC treatment.
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Affiliation(s)
- Yao Liu
- The Fourth Department of General Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, People's Republic of China
| | - Bing Zhang
- The Fourth Department of General Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, People's Republic of China
| | - Tiefeng Shi
- The Fourth Department of General Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, People's Republic of China
| | - Huadong Qin
- The Fourth Department of General Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, People's Republic of China
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43
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Siddiqui S, Ahamad MS, Jafri A, Afzal M, Arshad M. Piperine Triggers Apoptosis of Human Oral Squamous Carcinoma Through Cell Cycle Arrest and Mitochondrial Oxidative Stress. Nutr Cancer 2017; 69:791-799. [PMID: 28426244 DOI: 10.1080/01635581.2017.1310260] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Piperine is a nitrogenous pungent substance exhibiting multifunctional pharmacological properties. However, the mechanism underlying its anticancer potential is not well elucidated in human oral squamous carcinoma (KB) cell line. The anticancer potential of piperine was evaluated through potent biomarkers viz. reactive oxygen species (ROS), cellular apoptosis, and loss of mitochondrial membrane potential (MMP). In addition, cell cycle kinetics and caspases-3 activity were also carried out to confirm anticancer activity of piperine. Results showed that various concentrations (25-300 μM) of piperine exposure reduced the cell viability of KB cells significantly (P < 0.01). Piperine induced significant (P < 0.01) dose-related increment in ROS production and nuclear condensation. Moreover, piperine stimulated cell death by inducing loss of MMP, and caspase-3 activation. Cell cycle study revealed that piperine arrested the cells in G2/M phase and decreased the DNA content. Findings of this study suggest the efficacy of piperine in inducing cell death via the decrease in MMP and ROS liberation followed by caspase-3 activation and cell cycle arrest. Further assessment of the anticancer potency of piperine is needed for anticancer drug development.
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Affiliation(s)
- Sahabjada Siddiqui
- a Molecular Endocrinology Laboratory, Department of Zoology , University of Lucknow , Lucknow , India
| | - Md Sultan Ahamad
- b Department of Zoology , Shibli National (PG) College , Azamgarh , India
| | - Asif Jafri
- a Molecular Endocrinology Laboratory, Department of Zoology , University of Lucknow , Lucknow , India
| | - Mohd Afzal
- c Human Genetics and Toxicology Laboratory, Department of Zoology , Aligarh Muslim University , Aligarh , India
| | - Md Arshad
- a Molecular Endocrinology Laboratory, Department of Zoology , University of Lucknow , Lucknow , India
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X-linked inhibitor of apoptosis inhibits apoptosis and preserves the blood-brain barrier after experimental subarachnoid hemorrhage. Sci Rep 2017; 7:44918. [PMID: 28327595 PMCID: PMC5361183 DOI: 10.1038/srep44918] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 02/16/2017] [Indexed: 11/09/2022] Open
Abstract
Early brain injury following subarachnoid hemorrhage (SAH) strongly determines the prognosis of patients suffering from an aneurysm rupture, and apoptosis is associated with early brain injury after SAH. This study was designed to explore the role of X-linked inhibitor of apoptosis (XIAP) in early brain injury following SAH. The expression of XIAP was detected using western blotting and real-time RT-PCR in an autologous blood injection model of SAH. We also studied the role of XIAP in early brain injury and detected apoptosis-related proteins. The results showed that XIAP was significantly up-regulated in the cortex and hippocampus and that XIAP was mainly expressed in neuronal cells following SAH. The inhibition of endogenous XIAP aggravated blood-brain barrier disruption, neurological deficits and brain edema. Recombinant XIAP preserved the blood-brain barrier, improved the neurological scores and ameliorated brain edema. Recombinant XIAP treatment also decreased the expression of cleaved caspase-3, caspase-8 and caspase-9, whereas there was no effect on the expression of p53, apoptosis-inducing factor or cytochrome c. These results show that XIAP acts as an endogenous neuroprotective and anti-apoptotic agent following SAH. The effects of XIAP on early brain injury was associated with the inhibition of the caspase-dependent apoptosis pathway.
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