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Lu W, Aihaiti A, Abudukeranmu P, Liu Y, Gao H. Arachidonic acid metabolism as a novel pathogenic factor in gastrointestinal cancers. Mol Cell Biochem 2024:10.1007/s11010-024-05057-2. [PMID: 38963615 DOI: 10.1007/s11010-024-05057-2] [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: 05/27/2024] [Accepted: 06/25/2024] [Indexed: 07/05/2024]
Abstract
Gastrointestinal (GI) cancers are a major global health burden, representing 20% of all cancer diagnoses and 22.5% of global cancer-related deaths. Their aggressive nature and resistance to treatment pose a significant challenge, with late-stage survival rates below 15% at five years. Therefore, there is an urgent need to delve deeper into the mechanisms of gastrointestinal cancer progression and optimize treatment strategies. Increasing evidence highlights the active involvement of abnormal arachidonic acid (AA) metabolism in various cancers. AA is a fatty acid mainly metabolized into diverse bioactive compounds by three enzymes: cyclooxygenase, lipoxygenase, and cytochrome P450 enzymes. Abnormal AA metabolism and altered levels of its metabolites may play a pivotal role in the development of GI cancers. However, the underlying mechanisms remain unclear. This review highlights a unique perspective by focusing on the abnormal metabolism of AA and its involvement in GI cancers. We summarize the latest advancements in understanding AA metabolism in GI cancers, outlining changes in AA levels and their potential role in liver, colorectal, pancreatic, esophageal, gastric, and gallbladder cancers. Moreover, we also explore the potential of targeting abnormal AA metabolism for future therapies, considering the current need to explore AA metabolism in GI cancers and outlining promising avenues for further research. Ultimately, such investigations aim to improve treatment options for patients with GI cancers and pave the way for better cancer management in this area.
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Affiliation(s)
- Weiqin Lu
- General Surgery, Cancer Center, Department of Vascular Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China
| | | | | | - Yajun Liu
- Aksu First People's Hospital, Xinjiang, China
| | - Huihui Gao
- Cancer Center, Department of Hospital Infection Management and Preventive Medicine, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China.
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2
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Tae Hong K, Bin Park S, Murale DP, Hoon Lee J, Hwang J, Young Jang W, Lee JS. Disaggregation-Activated pan-COX Imaging Agents for Human Soft tissue Sarcoma. Angew Chem Int Ed Engl 2024; 63:e202405525. [PMID: 38607969 DOI: 10.1002/anie.202405525] [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: 03/21/2024] [Revised: 04/06/2024] [Accepted: 04/12/2024] [Indexed: 04/14/2024]
Abstract
Cancer stem cells are pivotal players in tumors initiation, growth, and metastasis. While several markers have been identified, there remain challenges particularly in heterogeneous malignancies like adult soft tissue sarcomas, where conventional markers are inherently overexpressed. Here, we designed BODIPY scaffold fluorescence probes (BD-IMC-1, BD-IMC-2) that activate via disaggregation targeting for cyclooxygenase (COX), a potential marker for CSCs in sarcoma in clinical pathology. Based on their structures, BD-IMC-1 showcased higher susceptibility to disaggregation compared to BD-IMC-2, consistent with their selective interaction with COX. Notably, the BD-IMC-1 revealed positive cooperativity binding to COX-2 at sub-micromolar ranges. Both probes showed significant fluorescence turn-on upon LPS or PMA triggered COX-2 upregulation in live RAW264.7, HeLa, and human sarcoma cell line (Saos-LM2) up to 2-fold increase with negligible toxicity. More importantly, the BD-IMC-1 demonstrated their practical imaging for COX-2 positive cells in paraffin-fixed human sarcoma tissue. Considering the fixed tissues are most practiced pathological sample, our finding suggests a potential of disaggregation activated chemosensor for clinical applications.
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Affiliation(s)
- Kyung Tae Hong
- Bio-Med Program, KIST-School UST, Hwarang-ro 14 gil 5, Seongbuk-gu, Seoul, 02792, South Korea
- Chemical and Biological Integrative Research Center, KIST, Hwarang-ro 14 gil 5, Seongbuk-gu, Seoul, 02792, South Korea
| | - Seung Bin Park
- Department of Pharmacology, Korea University, 73 Goryeodae-ro, Seongbuk-gu, Seoul, 02841, South Korea
| | - Dhiraj P Murale
- Chemical and Biological Integrative Research Center, KIST, Hwarang-ro 14 gil 5, Seongbuk-gu, Seoul, 02792, South Korea
| | - Jung Hoon Lee
- Department of Pharmacology, Korea University, 73 Goryeodae-ro, Seongbuk-gu, Seoul, 02841, South Korea
| | - Jangsun Hwang
- Department of Orthopedic Surgery, Korea University College of Medicine, 73 Goryeodae-ro, Seongbuk-gu, Seoul, 02841, South Korea
| | - Woo Young Jang
- Department of Orthopedic Surgery, Korea University College of Medicine, 73 Goryeodae-ro, Seongbuk-gu, Seoul, 02841, South Korea
| | - Jun-Seok Lee
- Department of Pharmacology, Korea University, 73 Goryeodae-ro, Seongbuk-gu, Seoul, 02841, South Korea
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3
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Narayanan D, Bartley B, Landes J, Moore SA, Kulkarni V, He Q, Simonette R, Doan HQ, Rady PL, Tyring SK. The effect of selinexor on prostaglandin synthesis in virus-positive Merkel cell carcinoma cell lines. Arch Dermatol Res 2024; 316:312. [PMID: 38822924 DOI: 10.1007/s00403-024-03108-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 03/17/2024] [Accepted: 04/26/2024] [Indexed: 06/03/2024]
Abstract
Merkel cell carcinoma (MCC) is an aggressive neuroendocrine skin cancer with high rates of metastasis and mortality. In vitro studies suggest that selinexor (KPT-330), an inhibitor of exportin 1, may be a targeted therapeutic option for MCC. This selective inhibitor prevents the transport of oncogenic mRNA out of the nucleus. Of note, 80% of MCC tumors are integrated with Merkel cell polyomavirus (MCPyV), and virally encoded tumor-antigens, small T (sT) and large T (LT) mRNAs may require an exportin transporter to relocate to the cytoplasm and modulate host tumor-suppressing pathways. To explore selinexor as a targeted therapy for MCC, we examine its ability to inhibit LT and sT antigen expression in vitro and its impact on the prostaglandin synthesis pathway. Protein expression was determined through immunoblotting and quantified by densitometric analysis. Statistical significance was determined with t-test. Treatment of MCPyV-infected cell lines with selinexor resulted in a significant dose-dependent downregulation of key mediators of the prostaglandin synthesis pathway. Given the role of prostaglandin synthesis pathway in MCC, our findings suggest that selinexor, alone or in combination with immunotherapy, could be a promising treatment for MCPyV-infected MCC patients who are resistant to chemotherapy and immunotherapy.
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Affiliation(s)
- Deepika Narayanan
- Department of Dermatology, The University of Texas Health Science Center at Houston, 6431 Fannin St., MSB Room 1.178, Houston, TX, 77070, USA
| | - Brooke Bartley
- Department of Dermatology, The University of Texas Health Science Center at Houston, 6431 Fannin St., MSB Room 1.178, Houston, TX, 77070, USA
| | - Jennifer Landes
- Department of Dermatology, The University of Texas Health Science Center at Houston, 6431 Fannin St., MSB Room 1.178, Houston, TX, 77070, USA
| | - Stephen A Moore
- Department of Dermatology, The University of Texas Health Science Center at Houston, 6431 Fannin St., MSB Room 1.178, Houston, TX, 77070, USA
| | - Veda Kulkarni
- Department of Dermatology, The University of Texas Health Science Center at Houston, 6431 Fannin St., MSB Room 1.178, Houston, TX, 77070, USA
| | - Qin He
- Department of Dermatology, The University of Texas Health Science Center at Houston, 6431 Fannin St., MSB Room 1.178, Houston, TX, 77070, USA
| | - Rebecca Simonette
- Department of Dermatology, The University of Texas Health Science Center at Houston, 6431 Fannin St., MSB Room 1.178, Houston, TX, 77070, USA
| | - Hung Q Doan
- Department of Dermatology, Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Peter L Rady
- Department of Dermatology, The University of Texas Health Science Center at Houston, 6431 Fannin St., MSB Room 1.178, Houston, TX, 77070, USA
| | - Stephen K Tyring
- Department of Dermatology, The University of Texas Health Science Center at Houston, 6431 Fannin St., MSB Room 1.178, Houston, TX, 77070, USA.
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Antonucci L, Karin M. The Past and Future of Inflammation as a Target to Cancer Prevention. Cancer Prev Res (Phila) 2024; 17:141-155. [PMID: 38271694 PMCID: PMC10987280 DOI: 10.1158/1940-6207.capr-23-0423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/21/2023] [Accepted: 01/23/2024] [Indexed: 01/27/2024]
Abstract
Inflammation is an essential defense mechanism in which innate immune cells are coordinately activated on encounter of harmful stimuli, including pathogens, tissue injury, and toxic compounds and metabolites to neutralize and eliminate the instigator and initiate healing and regeneration. Properly terminated inflammation is vital to health, but uncontrolled runaway inflammation that becomes chronic begets a variety of inflammatory and metabolic diseases and increases cancer risk. Making damaged tissues behave as "wounds that do not heal" and sustaining the production of growth factors whose physiologic function is tissue healing, chronic inflammation accelerates cancer emergence from premalignant lesions. In 1863, Rudolf Virchow, a leading German pathologist, suggested a possible association between inflammation and tumor formation, but it took another 140 years to fully elucidate and appreciate the tumorigenic role of inflammation. Key findings outlined molecular events in the inflammatory cascade that promote cancer onset and progression and enabled a better appreciation of when and where inflammation should be inhibited. These efforts triggered ongoing research work to discover and develop inflammation-reducing chemopreventive strategies for decreasing cancer risk and incidence.
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Affiliation(s)
- Laura Antonucci
- Laboratory of Gene Regulation and Signal Transduction, Departments of Pharmacology and Pathology, University of California San Diego School of Medicine; La Jolla, CA 92093, USA
| | - Michael Karin
- Laboratory of Gene Regulation and Signal Transduction, Departments of Pharmacology and Pathology, University of California San Diego School of Medicine; La Jolla, CA 92093, USA
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Sales AFS, Dos Santos Jorge Sousa K, de Souza A, Bonifacio M, Araújo TAT, de Almeida Cruz M, Costa MB, Ribeiro DA, Assis L, Martignago CCS, Rennó AC. Association of a Skin Dressing Made With the Organic Part of Marine Sponges and Photobiomodulation on the Wound Healing in an Animal Model. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2024; 26:276-287. [PMID: 38441733 DOI: 10.1007/s10126-024-10295-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 02/02/2024] [Indexed: 04/25/2024]
Abstract
The present study aims to characterize and to evaluate the biological effects of a skin dressing manufactured with the organic part of the Chondrilla caribensis marine sponge (called spongin-like collagen (SC)) associated or not to photobiomodulation (PBM) on the skin wound healing of rats. Skin dressings were manufactured with SC and it was characterized using scanning electron microscopy (SEM) and a tensile assay. In order to evaluate its biological effects, an experimental model of cutaneous wounds was surgically performed. Eighteen rats were randomly distributed into three experimental groups: control group (CG): animals with skin wounds but without any treatment; marine collagen dressing group (DG): animals with skin wounds treated with marine collagen dressing; and the marine collagen dressing + PBM group (DPG): animals with skin wounds treated with marine collagen dressing and PBM. Histopathological, histomorphometric, and immunohistochemical evaluations (qualitative and semiquantitative) of COX2, TGFβ, FGF, and VEGF were done. SEM demonstrates that the marine collagen dressing presented pores and interconnected fibers and adequate mechanical strength. Furthermore, in the microscopic analysis, an incomplete reepithelialization and the presence of granulation tissue with inflammatory infiltrate were observed in all experimental groups. In addition, foreign body was identified in the DG and DPG. COX2, TGFβ, FGF, and VEGF immunostaining was observed predominantly in the wound area of all experimental groups, with a statistically significant difference for FGF immunostaining score of DPG in relation to CG. The marine collagen dressing presented adequate physical characteristics and its association with PBM presented favorable biological effects to the skin repair process.
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Affiliation(s)
- Abdias Fernando Simon Sales
- Department of Biosciences, Federal University of São Paulo (UNIFESP), Lab 342, Rua Silva Jardim 136, Vila Matias, 136 Silva Jardim Street, Santos, SP, 11015020, Brazil
| | - Karolyne Dos Santos Jorge Sousa
- Department of Biosciences, Federal University of São Paulo (UNIFESP), Lab 342, Rua Silva Jardim 136, Vila Matias, 136 Silva Jardim Street, Santos, SP, 11015020, Brazil
| | - Amanda de Souza
- Department of Biosciences, Federal University of São Paulo (UNIFESP), Lab 342, Rua Silva Jardim 136, Vila Matias, 136 Silva Jardim Street, Santos, SP, 11015020, Brazil
| | - Mirian Bonifacio
- Department of Biosciences, Federal University of São Paulo (UNIFESP), Lab 342, Rua Silva Jardim 136, Vila Matias, 136 Silva Jardim Street, Santos, SP, 11015020, Brazil
| | - Tiago Akira Tashiro Araújo
- Department of Biosciences, Federal University of São Paulo (UNIFESP), Lab 342, Rua Silva Jardim 136, Vila Matias, 136 Silva Jardim Street, Santos, SP, 11015020, Brazil
| | - Matheus de Almeida Cruz
- Department of Biosciences, Federal University of São Paulo (UNIFESP), Lab 342, Rua Silva Jardim 136, Vila Matias, 136 Silva Jardim Street, Santos, SP, 11015020, Brazil
| | - Márcia Busanello Costa
- Department of Biosciences, Federal University of São Paulo (UNIFESP), Lab 342, Rua Silva Jardim 136, Vila Matias, 136 Silva Jardim Street, Santos, SP, 11015020, Brazil
| | - Daniel Araki Ribeiro
- Department of Biosciences, Federal University of São Paulo (UNIFESP), Lab 342, Rua Silva Jardim 136, Vila Matias, 136 Silva Jardim Street, Santos, SP, 11015020, Brazil
| | - Lívia Assis
- Scientific Institute and Technological Department, University Brazil, São Paulo-Itaquera, SP, Brazil
| | - Cintia Cristina Santi Martignago
- Department of Biosciences, Federal University of São Paulo (UNIFESP), Lab 342, Rua Silva Jardim 136, Vila Matias, 136 Silva Jardim Street, Santos, SP, 11015020, Brazil
| | - Ana Cláudia Rennó
- Department of Biosciences, Federal University of São Paulo (UNIFESP), Lab 342, Rua Silva Jardim 136, Vila Matias, 136 Silva Jardim Street, Santos, SP, 11015020, Brazil.
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Hedayati M, Garousi B, Rezaei Z, Nazerian Y, Yassaghi Y, Tavasol A, Zanjanbar DB, Sharifpour S, Golestani A, Bolideei M, Maleki F. Identifying SCC Lesions Capable of Spontaneous Regression by Using Immunohistochemistry: A Systematic Review and Meta-Analysis. Dermatol Pract Concept 2024; 14:dpc.1402a47. [PMID: 38810039 PMCID: PMC11135932 DOI: 10.5826/dpc.1402a47] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2023] [Indexed: 05/31/2024] Open
Abstract
INTRODUCTION Keratoacanthoma (KA) and squamous cell carcinoma (SCC) are two cutaneous conditions with morphological resemblance, which can complicate the diagnosis in some cases. Using immunohistochemistry staining of biomarkers could be beneficial in resolving this obstacle. OBJECTIVES We investigated a variety of biomarkers assessed in different studies in order to find the most important and helpful biomarkers for differentiation between SCC and lesions capable of spontaneous regression. METHODS MEDLINE via PubMed and Google Scholar database were used to identify relevant literature up to 15 June 2022. The aim of our analyses was to determine the capability of biomarkers to distinguish between SCC and lesions capable of spontaneous regression using calculated individual and pooled odds ratios (OR) and 95% confidence intervals (CI) and I2 tests. RESULTS Six potential biomarkers were CD10 with pooled OR= 0.006 (95% CI: 0.001-0.057) and I2=0%; COX-2 with pooled OR=0.089 (95% CI: 0.029-0.269) and I2=17.1%; elastic fibers with pooled OR= 6.69 (95% CI: 2.928-15.281) and I2=0%; IMP-3 with pooled OR=0.145 (95% CI: 0.021-1.001) and I2=44.5%; P53 with pooled OR=0.371 (95% CI: 0.188-0.733) and I2=55.9%; AT1R with OR=0.026 (95% CI: 0.006-0.107). CONCLUSIONS We suggest the utilization of the following IHC biomarkers for discrimination between lesions with spontaneous regression such as KA and SCC: CD10, COX-2, and elastic fibers.
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Affiliation(s)
| | - Behzad Garousi
- Department of Pathology, Karolinska Institute, Stockholm, Sweden
| | | | - Yasaman Nazerian
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Younes Yassaghi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arian Tavasol
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Dorsa Bahrami Zanjanbar
- Pharmaceutical Science Research Center, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | | | - Amir Golestani
- Students Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mansoor Bolideei
- The Center for Biomedical Research, Ministry of Education and Ministry of Health, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan, China
| | - Farajolah Maleki
- Non-Communicable Diseases Research Center, Ilam University of Medical Sciences, Ilam, Iran
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Rodrigues P, Bangali H, Hammoud A, Mustafa YF, Al-Hetty HRAK, Alkhafaji AT, Deorari MM, Al-Taee MM, Zabibah RS, Alsalamy A. COX 2-inhibitors; a thorough and updated survey into combinational therapies in cancers. Med Oncol 2024; 41:41. [PMID: 38165473 DOI: 10.1007/s12032-023-02256-7] [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: 10/11/2023] [Accepted: 11/15/2023] [Indexed: 01/03/2024]
Abstract
Cyclooxygenase (COX) enzymes are pivotal in inflammation and cancer development. COX-2, in particular, has been implicated in tumor growth, angiogenesis, and immune evasion. Recently, COX-2 inhibitors have arisen as potential therapeutic agents in cancer treatment. In addition, combining COX inhibitors with other treatment modalities has demonstrated the potential to improve therapeutic efficacy. This review aims to investigate the effects of COX inhibition, both alone and in combination with other methods, on signaling pathways and carcinogenesis in various cancers. In this study, a literature search of all major academic databases was conducted (PubMed, Scholar google), including the leading research on the mechanisms of COX-2, COX-2 inhibitors, monotherapy with COX-2 inhibitors, and combining COX-2-inhibitors with chemotherapeutic agents in tumors. The study encompasses preclinical and clinical evidence, highlighting the positive findings and the potential implications for clinical practice. According to preclinical studies, multiple signaling pathways implicated in tumor cell proliferation, survival, invasion, and metastasis can be suppressed by inhibiting COX. In addition, combining COX inhibitors with chemotherapy drugs, targeted therapies, immunotherapies, and miRNA-based approaches has enhanced anti-tumor activity. These results suggest that combination therapy has the potential to overcome resistance mechanisms and improve treatment outcomes. However, caution must be exercised when selecting and administering combination regimens. Not all combinations of COX-2 inhibitors with other drugs result in synergistic effects; some may even have unfavorable interactions. Therefore, personalized approaches that consider the specific characteristics of the cancer and the medications involved are crucial for optimizing therapeutic strategies. In conclusion, as monotherapy or combined with other methods, COX inhibition bears promise in modulating signaling pathways and inhibiting carcinogenesis in various cancers. Additional studies and well-designed clinical trials are required to completely elucidate the efficacy of COX inhibition and combination therapy in enhancing cancer treatment outcomes. This narrative review study provides a detailed summary of COX-2 monotherapy and combination targeted therapy in cancer treatment.
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Affiliation(s)
- Paul Rodrigues
- Department of Computer Engineering, College of Computer Science, King Khalid University, Al-Faraa, Asir-Abha, Kingdom of Saudi Arabia
| | - Harun Bangali
- Department of Computer Engineering, College of Computer Science, King Khalid University, Al-Faraa, Asir-Abha, Kingdom of Saudi Arabia
| | - Ahmad Hammoud
- Department of Medical and Technical Information Technology, Bauman Moscow State Technical University, Moscow, Russia.
- Department of Mathematics and Natural Sciences, Gulf University for Science and Technology, Mishref Campus, Mubarak Al-Abdullah, Kuwait.
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, 41001, Iraq
| | | | | | - Maha Medha Deorari
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India
| | | | - Rahman S Zabibah
- College of Medical Technique, the Islamic University, Najaf, Iraq
| | - Ali Alsalamy
- College of Technical Engineering, Imam Ja'afar Al-Sadiq University, Al-Muthanna, 66002, Iraq
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Aliabadi A, Khanniri E, Mahboubi-Rabbani M, Bayanati M. Dual COX-2/15-LOX inhibitors: A new avenue in the prevention of cancer. Eur J Med Chem 2023; 261:115866. [PMID: 37862815 DOI: 10.1016/j.ejmech.2023.115866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/07/2023] [Accepted: 10/09/2023] [Indexed: 10/22/2023]
Abstract
Dual cyclooxygenase 2/15-lipoxygenase inhibitors constitute a valuable alternative to classical non-steroidal anti-inflammatory drugs (NSAIDs) and selective COX-2 (cyclooxygenase-2) inhibitors for the treatment of inflammatory diseases, as well as preventing the cancer. Indeed, these latter present diverse side effects, which are reduced or absent in dual-acting agents. In this review, COX-2 and 15-LOX (15-lipoxygenase) pathways are first described in order to highlight the therapeutic interest of designing such compounds. Various structural families of dual inhibitors are illustrated. This study discloses various structural families of dual 15-LOX/COX-2 inhibitors, thus pave the way to design potentially-active anticancer agents with balanced dual inhibition of these enzymes.
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Affiliation(s)
- Ali Aliabadi
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Elham Khanniri
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Mahboubi-Rabbani
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Maryam Bayanati
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Kast RE. The OSR9 Regimen: A New Augmentation Strategy for Osteosarcoma Treatment Using Nine Older Drugs from General Medicine to Inhibit Growth Drive. Int J Mol Sci 2023; 24:15474. [PMID: 37895152 PMCID: PMC10607234 DOI: 10.3390/ijms242015474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 10/13/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
As things stand in 2023, metastatic osteosarcoma commonly results in death. There has been little treatment progress in recent decades. To redress the poor prognosis of metastatic osteosarcoma, the present regimen, OSR9, uses nine already marketed drugs as adjuncts to current treatments. The nine drugs in OSR9 are: (1) the antinausea drug aprepitant, (2) the analgesic drug celecoxib, (3) the anti-malaria drug chloroquine, (4) the antibiotic dapsone, (5) the alcoholism treatment drug disulfiram, (6) the antifungal drug itraconazole, (7) the diabetes treatment drug linagliptin, (8) the hypertension drug propranolol, and (9) the psychiatric drug quetiapine. Although none are traditionally used to treat cancer, all nine have attributes that have been shown to inhibit growth-promoting physiological systems active in osteosarcoma. In their general medicinal uses, all nine drugs in OSR9 have low side-effect risks. The current paper reviews the collected data supporting the role of OSR9.
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Shaukat A, Zaidi A, Anwar H, Kizilbash N. Mechanism of the antidiabetic action of Nigella sativa and Thymoquinone: a review. Front Nutr 2023; 10:1126272. [PMID: 37818339 PMCID: PMC10561288 DOI: 10.3389/fnut.2023.1126272] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 07/27/2023] [Indexed: 10/12/2023] Open
Abstract
Introduction Long used in traditional medicine, Nigella sativa (NS; Ranunculaceae) has shown significant efficacy as an adjuvant therapy for diabetes mellitus (DM) management by improving glucose tolerance, decreasing hepatic gluconeogenesis, normalizing blood sugar and lipid imbalance, and stimulating insulin secretion from pancreatic cells. In this review, the pharmacological and pharmacokinetic properties of NS as a herbal diabetes medication are examined in depth, demonstrating how it counteracts oxidative stress and the onset and progression of DM. Methods This literature review drew on databases such as Google Scholar and PubMed and various gray literature sources using search terms like the etiology of diabetes, conventional versus herbal therapy, subclinical pharmacology, pharmacokinetics, physiology, behavior, and clinical outcomes. Results The efficiency and safety of NS in diabetes, notably its thymoquinone (TQ) rich volatile oil, have drawn great attention from researchers in recent years; the specific therapeutic dose has eluded determination so far. TQ has anti-diabetic, anti-inflammatory, antioxidant, and immunomodulatory properties but has not proved druggable. DM's intimate link with oxidative stress, makes NS therapy relevant since it is a potent antioxidant that energizes the cell's endogenous arsenal of antioxidant enzymes. NS attenuates insulin resistance, enhances insulin signaling, suppresses cyclooxygenase-2, upregulates insulin-like growth factor-1, and prevents endothelial dysfunction in DM. Conclusion The interaction of NS with mainstream drugs, gut microbiota, and probiotics opens new possibilities for innovative therapies. Despite its strong potential to treat DM, NS and TQ must be examined in more inclusive clinical studies targeting underrepresented patient populations.
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Affiliation(s)
- Arslan Shaukat
- Department of Physiology, Government College University - GCU, Faisalabad, Punjab, Pakistan
| | - Arsalan Zaidi
- National Probiotic Laboratory, National Institute for Biotechnology and Genetic Engineering College - NIBGE-C, Faisalabad, Punjab, Pakistan
- Pakistan Institute of Engineering and Applied Sciences - PIEAS, Nilore, Islamabad, Pakistan
| | - Haseeb Anwar
- Department of Physiology, Government College University - GCU, Faisalabad, Punjab, Pakistan
| | - Nadeem Kizilbash
- Department Medical Laboratory Technology, Faculty of Applied Medical Sciences, Northern Border University, Arar, Saudi Arabia
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11
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Xin P, Wang S, Xu X, Liu Q, Zhang C. Natural fulvic acids inhibit non-small-cell lung cancer through the COX-2/PGE2/EP4 axis: In silico and in vivo assessments. Heliyon 2023; 9:e17080. [PMID: 37484418 PMCID: PMC10361232 DOI: 10.1016/j.heliyon.2023.e17080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 06/06/2023] [Accepted: 06/07/2023] [Indexed: 07/25/2023] Open
Abstract
Purpose Non-small-cell lung cancer (NSCLC) is a major public health concern with a high incidence worldwide. Coal-derived fulvic acids (FAs) contain functional groups in their chemical structures. Overexpression of cyclooxygenases-2 (COX-2), prostaglandin E2 (PGE2), and the PGE2 receptor EP4 subtype (EP4) can have a potential link with the increased tumor incidence and promoted tumor growth and metastasis in NSCLC. This study aimed to assess the biological roles of coal-derived FAs in the growth and development of NSCLC and to elucidate the underlying molecular mechanisms. Methods A web-based tool for predicting small-molecule pharmacokinetics (pkCSM) was used to analyze the absorption, distribution, metabolism, excretion, and toxicity (ADMET) properties of FAs. Molecular docking and dynamic simulations were performed to analyze the binding affinities of COX-2 and EP4 to FA. An acute toxicity test and an antitumor study were used to analyze the toxicity and anti-NSCLC effects of FAs. Thirty NSCLC-bearing nude mice were randomly divided into five groups (six mice per group): vehicle control, positive control with 20 mg/kg body weight (BW) 5-fluorouracil, and three treatments with 25, 50, and 100 mg/kg BW FAs. The BW and tumor volume were recorded, and the COX-2, PGE2, and EP4 protein expression were measured and analyzed. Results Using the predictive pkCSM algorithm, we found that FA did not cause developmental toxicity. Molecular simulations revealed that COX-2 and EP4 expression was inhibited by FA. An acute toxicity test conformed that the maximum tolerated FAs dose was >3.0 g/kg BW. The animal study demonstrated that FA treatment significantly downregulated the expression of COX-2, PGE2, and EP4 in NSCLC-bearing mice compared to that in vehicle control mice (p < 0.01). Conclusions Natural FAs may exert anti-NSCLC effects through the COX-2/PGE2/EP4 axis.
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Affiliation(s)
- Pengfei Xin
- Department of Stomatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, 030032, China
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Shirui Wang
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030001, China
| | - Xin Xu
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030001, China
| | - Qingmei Liu
- Department of Stomatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, 030032, China
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Caifeng Zhang
- Department of Chemistry, Taiyuan Normal University, Humic Acid Engineering and Technology Research Center of Shanxi Province, Jinzhong, 030619, China
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12
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Paik SJ, Kim DJ, Jung SK. Preventive Effect of Pharmaceutical Phytochemicals Targeting the Src Family of Protein Tyrosine Kinases and Aryl Hydrocarbon Receptor on Environmental Stress-Induced Skin Disease. Int J Mol Sci 2023; 24:ijms24065953. [PMID: 36983027 PMCID: PMC10056297 DOI: 10.3390/ijms24065953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/13/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
The skin protects our body; however, it is directly exposed to the environment and is stimulated by various external factors. Among the various environmental factors that can threaten skin health, the effects of ultraviolet (UV) and particulate matter (PM) are considered the most notable. Repetitive exposure to ultraviolet and particulate matter can cause chronic skin diseases such as skin inflammation, photoaging, and skin cancer. The abnormal activation of the Src family of protein tyrosine kinases (SFKs) and the aryl hydrocarbon receptor (AhR) in response to UV and/or PM exposure are involved in the development and aggravation of skin diseases. Phytochemicals, chemical compounds of natural plants, exert preventive effects on skin diseases through the regulation of various signaling pathways. Therefore, this review aims to highlight the efficacy of phytochemicals as potential nutraceuticals and pharmaceutical materials for the treatment of skin diseases, primarily by targeting SFK and AhR, and to explore the underlying mechanisms of action. Future studies are essential to validate the clinical potential for the prevention and treatment of skin diseases.
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Affiliation(s)
- So Jeong Paik
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Dong Joon Kim
- Department of Microbiology, College of Medicine, Dankook University, Cheonan 31116, Republic of Korea
| | - Sung Keun Jung
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
- Research Institute of Tailored Food Technology, Kyungpook National University, Daegu 41566, Republic of Korea
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13
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Dobre EG, Surcel M, Constantin C, Ilie MA, Caruntu A, Caruntu C, Neagu M. Skin Cancer Pathobiology at a Glance: A Focus on Imaging Techniques and Their Potential for Improved Diagnosis and Surveillance in Clinical Cohorts. Int J Mol Sci 2023; 24:ijms24021079. [PMID: 36674595 PMCID: PMC9866322 DOI: 10.3390/ijms24021079] [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: 11/12/2022] [Revised: 01/02/2023] [Accepted: 01/03/2023] [Indexed: 01/08/2023] Open
Abstract
Early diagnosis is essential for completely eradicating skin cancer and maximizing patients' clinical benefits. Emerging optical imaging modalities such as reflectance confocal microscopy (RCM), optical coherence tomography (OCT), magnetic resonance imaging (MRI), near-infrared (NIR) bioimaging, positron emission tomography (PET), and their combinations provide non-invasive imaging data that may help in the early detection of cutaneous tumors and surgical planning. Hence, they seem appropriate for observing dynamic processes such as blood flow, immune cell activation, and tumor energy metabolism, which may be relevant for disease evolution. This review discusses the latest technological and methodological advances in imaging techniques that may be applied for skin cancer detection and monitoring. In the first instance, we will describe the principle and prospective clinical applications of the most commonly used imaging techniques, highlighting the challenges and opportunities of their implementation in the clinical setting. We will also highlight how imaging techniques may complement the molecular and histological approaches in sharpening the non-invasive skin characterization, laying the ground for more personalized approaches in skin cancer patients.
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Affiliation(s)
- Elena-Georgiana Dobre
- Faculty of Biology, University of Bucharest, Splaiul Independentei 91-95, 050095 Bucharest, Romania
| | - Mihaela Surcel
- Immunology Department, “Victor Babes” National Institute of Pathology, 050096 Bucharest, Romania
| | - Carolina Constantin
- Immunology Department, “Victor Babes” National Institute of Pathology, 050096 Bucharest, Romania
- Department of Pathology, Colentina University Hospital, 020125 Bucharest, Romania
| | | | - Ana Caruntu
- Department of Oral and Maxillofacial Surgery, “Carol Davila” Central Military Emergency Hospital, 010825 Bucharest, Romania
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, “Titu Maiorescu” University, 031593 Bucharest, Romania
| | - Constantin Caruntu
- Department of Physiology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Dermatology, “Prof. N.C. Paulescu” National Institute of Diabetes, Nutrition and Metabolic Diseases, 011233 Bucharest, Romania
- Correspondence:
| | - Monica Neagu
- Faculty of Biology, University of Bucharest, Splaiul Independentei 91-95, 050095 Bucharest, Romania
- Immunology Department, “Victor Babes” National Institute of Pathology, 050096 Bucharest, Romania
- Department of Pathology, Colentina University Hospital, 020125 Bucharest, Romania
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14
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Srour AM, Fahmy HH, Khater MA, Zarie ES, Mohamed SS, Abdelhameed MF. Synthesis, anti-inflammatory properties, molecular modelling and potential COX-2, TNF-α, PGE2 and IL1β inhibitors of pyrazole-based scaffolds. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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15
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Lee J, Ree J, Kim HJ, Kim HJ, Kim WJ, Choi TG, Lee S, Hong YK, Hong SB, Park YI. Anti-Apoptotic and Anti-Inflammatory Effects of an Ethanolic Extract of Lycium chinense Root against Particulate Matter 10-Induced Cell Death and Inflammation in RBL-2H3 Basophil Cells and BALB/c Mice. PLANTS 2022; 11:plants11192485. [PMID: 36235350 PMCID: PMC9571895 DOI: 10.3390/plants11192485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/18/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022]
Abstract
Particulate matters (PMs) from polluted air cause diverse pulmonary and cardiovascular diseases, including lung inflammation. While the fruits (Goji) of Lycium trees are commonly consumed as traditional medicine and functional food ingredients, the majority of their roots are discarded as by-products. To enhance the industrial applicability of Lycium roots, we prepared an ethanol extract (named GR30) of L. chinense Miller roots and evaluated its potential protective effects against particulate matter 10 (PM10)-induced inflammation and immune cell death. The GR30 treatment (0–500 μg/mL) significantly attenuated the PM10-induced cell cycle arrest, DNA fragmentation and mitochondria-dependent apoptosis in RBL-2H3 basophil cells. GR30 also significantly antagonized the PM10-induced expression of proinflammatory cytokines (IL-4, IL-13, and TNF-α) and COX2 expression through downregulation of MAPKs (ERK and JNK) signalling pathway. Oral administration of GR30 (200–400 mg/kg) to PM10 (20 mg/mL)-challenged mice significantly reduced the serum levels of IgE and the expression of TNF-α and Bax in lung tissues, which were elevated by PM10 exposure. These results revealed that the ethanolic extract (GR30) of L. chinense Miller roots exhibited anti-inflammatory and cyto-protective activity against PM10-induced inflammation and basophil cell death, and thus, it would be useful in functional food industries to ameliorate PM-mediated damage to respiratory and immune systems.
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Affiliation(s)
- Jisun Lee
- Department of Biotechnology, Graduate School, The Catholic University of Korea, Bucheon 14662, Gyeonggi-do, Korea
| | - Jin Ree
- Department of Biotechnology, Graduate School, The Catholic University of Korea, Bucheon 14662, Gyeonggi-do, Korea
| | - Hyeon Jeong Kim
- Department of Biotechnology, Graduate School, The Catholic University of Korea, Bucheon 14662, Gyeonggi-do, Korea
| | - Hee Jin Kim
- Department of Biotechnology, Graduate School, The Catholic University of Korea, Bucheon 14662, Gyeonggi-do, Korea
| | - Woo Jung Kim
- Biocenter, Gyeonggido Business and Science Accelerator, Suwon 16229, Gyeonggi-do, Korea
| | - Tae Gyu Choi
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Korea
| | - Sanghyun Lee
- Department of Plant Science and Technology, Chung-Ang University, Anseong 17546, Gyeonggi-do, Korea
| | - Yun Ki Hong
- Biomix Co., Ltd., Goyang-si 10442, Gyeonggi-do, Korea
| | | | - Yong Il Park
- Department of Biotechnology, Graduate School, The Catholic University of Korea, Bucheon 14662, Gyeonggi-do, Korea
- Correspondence: ; Tel.: +82-2-2164-4512; Fax: +82-2-2164-4846
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Wang J, Zeng L, Zhang Y, Qi W, Wang Z, Tian L, Zhao D, Wu Q, Li X, Wang T. Pharmacological properties, molecular mechanisms and therapeutic potential of ginsenoside Rg3 as an antioxidant and anti-inflammatory agent. Front Pharmacol 2022; 13:975784. [PMID: 36133804 PMCID: PMC9483152 DOI: 10.3389/fphar.2022.975784] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 07/14/2022] [Indexed: 12/06/2022] Open
Abstract
Inflammation and oxidative stress lead to various acute or chronic diseases, including pneumonia, liver and kidney injury, cardiovascular and cerebrovascular diseases, metabolic diseases, and cancer. Ginseng is a well-known and widely used ethnic medicine in Asian countries, and ginsenoside Rg3 is a saponin isolated from Panax ginseng C. A. Meyer, Panax notoginseng, or Panax quinquefolius L. This compound has a wide range of pharmacological properties, including antioxidant and anti-inflammatory activities, which have been evaluated in disease models of inflammation and oxidative stress. Rg3 can attenuate lung inflammation, prevent liver and kidney function damage, mitigate neuroinflammation, prevent cerebral and myocardial ischemia–reperfusion injury, and improve hypertension and diabetes symptoms. The multitarget, multipathway mechanisms of action of Rg3 have been gradually deciphered. This review summarizes the existing knowledge on the anti-inflammatory and antioxidant effects and underlying molecular mechanisms of ginsenoside Rg3, suggesting that ginsenoside Rg3 may be a promising candidate drug for the treatment of diseases with inflammatory and oxidative stress conditions.
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Affiliation(s)
- Jing Wang
- Department of Respiratory, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Li Zeng
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Ying Zhang
- Department of Respiratory, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
| | - Wenxiu Qi
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
| | - Ziyuan Wang
- Department of Respiratory, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
| | - Lin Tian
- Department of Respiratory, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
| | - Daqing Zhao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
| | - Qibiao Wu
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangzhou, China
- *Correspondence: Qibiao Wu, ; Xiangyan Li, ; Tan Wang,
| | - Xiangyan Li
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Qibiao Wu, ; Xiangyan Li, ; Tan Wang,
| | - Tan Wang
- Department of Respiratory, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Qibiao Wu, ; Xiangyan Li, ; Tan Wang,
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17
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Medicinal uses, pharmacological activities, phytochemistry, and the molecular mechanisms of Punica granatum L. (pomegranate) plant extracts: A review. Biomed Pharmacother 2022; 153:113256. [DOI: 10.1016/j.biopha.2022.113256] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/30/2022] [Accepted: 06/03/2022] [Indexed: 12/11/2022] Open
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18
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Guo C, Zeng F, Liu H, Wang J, Huang X, Luo J. Establish immune-related gene prognostic index for esophageal cancer. Front Genet 2022; 13:956915. [PMID: 36035171 PMCID: PMC9401516 DOI: 10.3389/fgene.2022.956915] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/12/2022] [Indexed: 12/15/2022] Open
Abstract
Background: Esophageal cancer is a tumor type with high invasiveness and low prognosis. As immunotherapy has been shown to improve the prognosis of esophageal cancer patients, we were interested in the establishment of an immune-associated gene prognostic index to effectively predict the prognosis of patients. Methods: To establish the immune-related gene prognostic index of esophageal cancer (EC), we screened 363 upregulated and 83 downregulated immune-related genes that were differentially expressed in EC compared to normal tissues. By multivariate Cox regression and weighted gene coexpression network analysis (WGCNA), we built a prognostic model based on eight immune-related genes (IRGs). We confirmed the prognostic model in both TCGA and GEO cohorts and found that the low-risk group had better overall survival than the high-risk group. Results: In this study, we identified 363 upregulated IRGs and 83 downregulated IRGs. Next, we found a prognostic model that was constructed with eight IRGs (OSM, CEACAM8, HSPA6, HSP90AB1, PCSK2, PLXNA1, TRIB2, and HMGB3) by multivariate Cox regression analysis and WGCNA. According to the Kaplan–Meier survival analysis results, the model we constructed can predict the prognosis of patients with esophageal cancer. This result can be verified by the Gene Expression Omnibus (GEO). Patients were divided into two groups with different outcomes. IRGPI-low patients had better overall survival than IRGPI-high patients.Conclusion: Our findings indicated the potential value of the IRGPI risk model for predicting the prognosis of EC patients.
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Affiliation(s)
- Caiyu Guo
- Department of Radiotherapy, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou, China
- Department of Radiotherapy, Graduate School of Dalian Medical University, Dalian, China
| | - Fanye Zeng
- Second Department of Medical Oncology, The Fourth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Hui Liu
- School of Computer Science and Technology, Nanjing Tech University, Nanjing, China
| | - Jianlin Wang
- Department of Radiotherapy, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou, China
| | - Xue Huang
- Department of Radiotherapy, Changzhou Tumor Hospital, Changzhou, China
- *Correspondence: Xue Huang, ; Judong Luo,
| | - Judong Luo
- Department of Radiotherapy, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou, China
- *Correspondence: Xue Huang, ; Judong Luo,
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19
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Song X, Greiner-Tollersrud OK, Zhou H. Oral Microbiota Variation: A Risk Factor for Development and Poor Prognosis of Esophageal Cancer. Dig Dis Sci 2022; 67:3543-3556. [PMID: 34505256 DOI: 10.1007/s10620-021-07245-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 08/23/2021] [Indexed: 12/24/2022]
Abstract
Recent studies have shown that oral microbiota play an important role in the esophageal cancer (EC) initiation and progression, suggesting that oral microbiota is a new risk factor for EC. The composition of the microbes inhabiting the oral cavity could be perturbed with continuous factors such as smoking, alcohol consumption, and inflammation. The microbial alteration involves the decrease of beneficial species and the increase of pathogenic species. Experimental evidences suggest a significant role of oral commensal organisms in protecting hosts against EC. By contrast, oral pathogens, especially Porphyromonas gingivalis and Fusobacterium nucleatum, give rise to the risk for developing EC through their pro-inflammatory and pro-tumorigenic activities. The presences of oral dysbiosis, microbial biofilm, and periodontitis in EC patients are found to be associated with invasive cancer phenotypes and poor prognosis. The mechanism of oral bacteria in EC progression is complex, which involves a combination of cytokines, chemokines, oncogenic signaling pathways, cell surface receptors, the degradation of extracellular matrix, and cell apoptosis. From a clinical perspective, good oral hygiene, professional oral care, and rational use of antibiotics bring positive impacts on oral microbial balance, thus helping individuals reduce the risk of EC, inhibiting postoperative complications among EC patients, and improving the efficiency of chemoradiotherapy. However, current oral hygiene practices mainly focus on the oral bacteria-based predictive and preventive purposes. It is still far from implementing microbiota-dependent regulation as a therapy for EC. Further explorations are needed to render oral microbiota a potential target for treating EC.
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Affiliation(s)
- Xiaobo Song
- Department of Microbiology, Dalian Medical University, No.9 West Section Lvshun South Road, Dalian, 116044, Liaoning Province, China.,Department of Medical Biology, Faculty of Health Sciences, University of Tromsø, 9037, Tromsø, Norway
| | - Ole K Greiner-Tollersrud
- Department of Medical Biology, Faculty of Health Sciences, University of Tromsø, 9037, Tromsø, Norway
| | - Huimin Zhou
- Department of Microbiology, Dalian Medical University, No.9 West Section Lvshun South Road, Dalian, 116044, Liaoning Province, China.
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20
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Dobre EG, Constantin C, Neagu M. Skin Cancer Research Goes Digital: Looking for Biomarkers within the Droplets. J Pers Med 2022; 12:jpm12071136. [PMID: 35887633 PMCID: PMC9323323 DOI: 10.3390/jpm12071136] [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: 06/02/2022] [Revised: 07/12/2022] [Accepted: 07/12/2022] [Indexed: 12/24/2022] Open
Abstract
Skin cancer, which includes the most frequent malignant non-melanoma carcinomas (basal cell carcinoma, BCC, and squamous cell carcinoma, SCC), along with the difficult to treat cutaneous melanoma (CM), pose important worldwide issues for the health care system. Despite the improved anti-cancer armamentarium and the latest scientific achievements, many skin cancer patients fail to respond to therapies, due to the remarkable heterogeneity of cutaneous tumors, calling for even more sophisticated biomarker discovery and patient monitoring approaches. Droplet digital polymerase chain reaction (ddPCR), a robust method for detecting and quantifying low-abundance nucleic acids, has recently emerged as a powerful technology for skin cancer analysis in tissue and liquid biopsies (LBs). The ddPCR method, being capable of analyzing various biological samples, has proved to be efficient in studying variations in gene sequences, including copy number variations (CNVs) and point mutations, DNA methylation, circulatory miRNome, and transcriptome dynamics. Moreover, ddPCR can be designed as a dynamic platform for individualized cancer detection and monitoring therapy efficacy. Here, we present the latest scientific studies applying ddPCR in dermato-oncology, highlighting the potential of this technology for skin cancer biomarker discovery and validation in the context of personalized medicine. The benefits and challenges associated with ddPCR implementation in the clinical setting, mainly when analyzing LBs, are also discussed.
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Affiliation(s)
- Elena-Georgiana Dobre
- Faculty of Biology, University of Bucharest, Splaiul Independentei 91–95, 050095 Bucharest, Romania;
- Correspondence:
| | - Carolina Constantin
- Immunology Department, “Victor Babes” National Institute of Pathology, 050096 Bucharest, Romania;
- Pathology Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
| | - Monica Neagu
- Faculty of Biology, University of Bucharest, Splaiul Independentei 91–95, 050095 Bucharest, Romania;
- Immunology Department, “Victor Babes” National Institute of Pathology, 050096 Bucharest, Romania;
- Pathology Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
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21
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Wilson DJ, DuBois RN. Role of prostaglandin E2 in the progression of gastrointestinal cancer. Cancer Prev Res (Phila) 2022; 15:355-363. [PMID: 35288737 DOI: 10.1158/1940-6207.capr-22-0038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/01/2022] [Accepted: 03/10/2022] [Indexed: 11/16/2022]
Abstract
Chronic inflammation is a well-established risk factor for several diseases, including cancer. It influences tumor cell biology and the type and density of immune cells in the tumor microenvironment (TME), promoting cancer development. While pro-inflammatory cytokines and chemokines modulate cancer development, emerging evidence has shown that prostaglandin E2 (PGE2) is a known mediator connecting chronic inflammation to cancerization. This review highlights recent advances in our understanding of how the elevation of PGE2 production promotes gastrointestinal cancer initiation, progression, invasion, metastasis, and recurrence, including modulation of immune checkpoint signaling and the type and density of immune cells in the tumor/tissue microenvironment.
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Affiliation(s)
- David Jay Wilson
- Medical University of South Carolina, Greenville, South Carolina, United States
| | - Raymond N DuBois
- Medical University of South Carolina, Charleston, SC, United States
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22
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Juszczak AM, Wöelfle U, Končić MZ, Tomczyk M. Skin cancer, including related pathways and therapy and the role of luteolin derivatives as potential therapeutics. Med Res Rev 2022; 42:1423-1462. [PMID: 35187675 PMCID: PMC9303584 DOI: 10.1002/med.21880] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 12/16/2021] [Accepted: 01/23/2022] [Indexed: 12/12/2022]
Abstract
Cutaneous malignant melanoma is the fastest growing and the most aggressive form of skin cancer that is diagnosed. However, its incidence is relatively scarce compared to the highest mortality rate of all skin cancers. The much more common skin cancers include nonmelanoma malignant skin cancers. Moreover, over the past several decades, the frequency of all skin cancers has increased much more dynamically than that of almost any other type of cancer. Among the available therapeutic options for skin cancers, chemotherapy used immediately after the surgical intervention has been an essential element. Unfortunately, the main problem with conventional chemopreventive regimens involves the lack of response to treatment and the associated side effects. Hence, there is a need for much more effective anticancer drugs. Correspondingly, the targeted alternatives have involved phytochemicals, which are safer chemotherapeutic agents and exhibit competitive anticancer activity with high therapeutic efficacy. Among polyphenolic compounds, some flavonoids and their derivatives, which are mostly found in medicinal plants, have been demonstrated to influence the modulation of signaling pathways at each stage of the carcinogenesis process, which is also important in the context of skin cancers. Hence, this review focuses on an exhaustive overview of the therapeutic effects of luteolin and its derivatives in the treatment and prevention of skin cancers. The bioavailability and structure–activity relationships of luteolin derivatives are also discussed. This review is the first such complete account of all of the scientific reports concerning this particular group of natural compounds that target a specific area of neoplastic diseases.
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Affiliation(s)
- Aleksandra M. Juszczak
- Department of Pharmacognosy, Faculty of Pharmacy with the Division of Laboratory Medicine Medical University of Białystok Białystok Poland
| | - Ute Wöelfle
- Department of Dermatology and Venereology, Research Center Skinitial, Medical Center, Faculty of Medicine University of Freiburg Freiburg Germany
| | - Marijana Zovko Končić
- Department of Pharmacognosy, Faculty of Pharmacy and Biochemistry University of Zagreb Zagreb Croatia
| | - Michał Tomczyk
- Department of Pharmacognosy, Faculty of Pharmacy with the Division of Laboratory Medicine Medical University of Białystok Białystok Poland
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Candido TZ, de Paiva REF, Figueiredo MC, de Oliveira Coser L, Frajácomo SCL, Abbehausen C, Cardinalli IA, Lustri WR, Carvalho JE, Ruiz ALTG, Corbi PP, Lima CSP. Silver Nimesulide Complex in Bacterial Cellulose Membranes as an Innovative Therapeutic Method for Topical Treatment of Skin Squamous Cell Carcinoma. Pharmaceutics 2022; 14:pharmaceutics14020462. [PMID: 35214194 PMCID: PMC8877292 DOI: 10.3390/pharmaceutics14020462] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 12/20/2022] Open
Abstract
Oxidative stress and inflammation act on skin squamous cell carcinoma (SSCC) development and progression. Curative therapy for SSCC patients is mainly based on surgical resection, which can cause various sequelae. Silver ions have in vitro activities over tumor cells, while nimesulide has antioxidant and anti-inflammatory activities. This study aimed to evaluate the effects of a silver(I) complex with nimesulide (AgNMS) incorporated in a sustained release device based on bacterial cellulose membrane, named AgNMS@BCM, on topic SSCC treatment. The antiproliferative effect of AgNMS complex was evaluated in the SCC4, SCC15 and FaDu SCC lines. AgNMS complex activity on exposure of phosphatidylserine (PS) residues and multicaspase activation were evaluated on FaDu cells by flow cytometry. The AgNMS@BCM effects were evaluated in a SSCC model induced by 7,12-dimethylbenzanthracene/12-o-tetradecanoyl-phorbol-13-acetate (DMBA/TPA) in mice. Toxicity and tumor size were evaluated throughout the study. AgNMS complex showed antiproliferative activity in SCC15 and FaDu lines in low to moderate concentrations (67.3 µM and 107.3 µM, respectively), and induced multicaspase activation on FaDu cells. The AgNMS@BCM did not induce toxicity and reduced tumor size up to 100%. Thus, the application of AgNMS@BCM was effective and safe in SSCC treatment in mice, and can be seen as a potential and safe agent for topic treatment of SSCC in humans.
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Affiliation(s)
- Tuany Zambroti Candido
- Department of Anesthesiology, Oncology and Radiology, Faculty of Medical Sciences, University of Campinas-UNICAMP, Campinas 13083-887, SP, Brazil;
| | | | - Mariana Cecchetto Figueiredo
- Postgraduate Program in Medical Sciences, Faculty of Medical Sciences, University of Campinas-UNICAMP, Campinas 13083-887, SP, Brazil;
| | - Lilian de Oliveira Coser
- Department of Clinical Pathology, Faculty of Medical Sciences, University of Campinas-UNICAMP, Campinas 13083-887, SP, Brazil;
| | | | - Camilla Abbehausen
- Institute of Chemistry, University of Campinas-UNICAMP, Campinas 13083-970, SP, Brazil; (R.E.F.d.P.); (C.A.); (P.P.C.)
| | | | - Wilton Rogerio Lustri
- Department of Biological and Health Sciences, University of Araraquara-UNIARA, Araraquara 14801-320, SP, Brazil; (S.C.L.F.); (W.R.L.)
| | - João Ernesto Carvalho
- Faculty of Pharmaceutical Sciences, University of Campinas-UNICAMP, Campinas 13083-871, SP, Brazil; (J.E.C.); (A.L.T.G.R.)
| | - Ana Lucia Tasca Gois Ruiz
- Faculty of Pharmaceutical Sciences, University of Campinas-UNICAMP, Campinas 13083-871, SP, Brazil; (J.E.C.); (A.L.T.G.R.)
| | - Pedro Paulo Corbi
- Institute of Chemistry, University of Campinas-UNICAMP, Campinas 13083-970, SP, Brazil; (R.E.F.d.P.); (C.A.); (P.P.C.)
| | - Carmen Silvia Passos Lima
- Department of Anesthesiology, Oncology and Radiology, Faculty of Medical Sciences, University of Campinas-UNICAMP, Campinas 13083-887, SP, Brazil;
- Correspondence: ; Tel.: +55-19-3521-9120
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The Immune Underpinnings of Barrett's-Associated Adenocarcinogenesis: a Retrial of Nefarious Immunologic Co-Conspirators. Cell Mol Gastroenterol Hepatol 2022; 13:1297-1315. [PMID: 35123116 PMCID: PMC8933845 DOI: 10.1016/j.jcmgh.2022.01.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 12/10/2022]
Abstract
There is no doubt that chronic gastroesophageal reflux disease increases the risk of esophageal adenocarcinoma (EAC) by several fold (odds ratio, 6.4; 95% CI, 4.6-9.1), and some relationships between reflux disease-mediated inflammation and oncogenic processes have been explored; however, the precise interconnections between the immune response and genomic instabilities underlying these pathologic processes only now are emerging. Furthermore, the precise cell of origin of the precancerous stages associated with EAC development, Barrett's esophagus, be it cardia resident or embryonic remnant, may shape our interpretation of the likely immune drivers. This review integrates the current collective knowledge of the immunology underlying EAC development and outlines a framework connecting proinflammatory pathways, such as those mediated by interleukin 1β, tumor necrosis factor α, leukemia inhibitory factor, interleukin 6, signal transduction and activator of transcription 3, nuclear factor-κB, cyclooxygenase-2, and transforming growth factor β, with oncogenic pathways in the gastroesophageal reflux disease-Barrett's esophagus-EAC cancer sequence. Further defining these immune and molecular railroads may show a map of the routes taken by gastroesophageal cells on their journey toward EAC tumor phylogeny. The selective pressures applied by this immune-induced journey likely impact the phenotype and genotype of the resulting oncogenic destination and further exploration of lesser-defined immune drivers may be useful in future individualized therapies or enhanced selective application of recent immune-driven therapeutics.
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Effect of Nicotine on STAT1 Pathway and Oxidative Stress in Rat Lungs. Rep Biochem Mol Biol 2022; 10:429-436. [PMID: 34981020 DOI: 10.52547/rbmb.10.3.429] [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: 05/13/2021] [Accepted: 04/03/2021] [Indexed: 11/18/2022]
Abstract
Background Tobacco use is responsible for millions of preventable deaths due to cancer. Nicotine, an alkaloid chemical found in tobacco was proved to cause chronic inflammation and oxidative stress. The transcription factor STAT1 induces the expression of many proinflammatory genes and has been suggested to be a target for anti-inflammatory therapeutics. The following study investigated the effect of Nicotine on STAT1 pathway and oxidative stress in rat lung tissue. Methods Thirty rats were divided into 3 groups; group I considered as control, group II; its rats were daily injected with Nicotine at a dose of 0.4 mg/100 gm body for 8 successive weeks and group III; its rats were daily injected with Nicotine as group II, but the injection was stopped for another 4 weeks. STAT1α protein was assessed by immunohistochemistry, COX-2 and iNOS genes expression were evaluated by real time PCR and thiobarbituric acid reactive substances (TBARS) and total thiols were measured using spectrophotometric methods in the lung tissues of the rats. Results The results of the study revealed that group II rats had the highest expression of STAT1α protein and COX-2 and iNOS genes and oxidative stress in their lung tissues. Nicotine cessation for 4 weeks caused a marked reduction in the expression of STAT1α protein, COX-2 and iNOS genes and oxidative stress. Conclusion Induction of STAT1 pathway and the increase in oxidative stress may be the mechanisms through which Nicotine may induce its harmful effects.
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Tran-Guzman A, Moradian R, Cui H, Culty M. In vitro impact of genistein and mono(2-ethylhexyl) phthalate (MEHP) on the eicosanoid pathway in spermatogonial stem cells. Reprod Toxicol 2021; 107:150-165. [PMID: 34942354 DOI: 10.1016/j.reprotox.2021.12.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 12/16/2021] [Accepted: 12/19/2021] [Indexed: 02/09/2023]
Abstract
Perinatal exposures to endocrine disrupting chemicals (EDCs) alter the male reproductive system. Infants are exposed to genistein (GEN) through soy-based formula, and to Mono(2-ethylhexyl) Phthalate (MEHP), metabolite of the plasticizer DEHP. Spermatogonial stem cells (SSCs) are formed in infancy and their integrity is essential for spermatogenesis. Thus, understanding the impact of EDCs on SSCs is critical. Prostaglandins (PGs) are inflammatory mediators synthesized via the eicosanoid pathway starting with cyclooxygenases (Coxs), that regulate physiological and pathological processes. Our goal was to study the eicosanoid pathway in SSCs and examine whether it was disrupted by GEN and MEHP, potentially contributing to their adverse effects. The mouse C18-4 cell line used as SSC model expressed high levels of Cox1 and Cox2 genes and proteins, and eicosanoid pathway genes similarly to levels measured in primary rat spermatogonia. Treatments with GEN and MEHP at 10 and 100 μM decreased Cox1 gene and protein expression, whereas Cox2, phospholipase A2, prostaglandin synthases transcripts, PGE2, PGF2a and PGD2 were upregulated. Simultaneously, the transcript levels of spermatogonia progenitor markers Foxo1 and Mcam and differentiated spermatogonial markers cKit and Stra8 were increased. Foxo1 was also increased by EDCs in primary rat spermatogonia. This study shows that the eicosanoid pathway is altered during SSC differentiation and that exposure to GEN and MEHP disrupts this process, mainly driven by GEN effects on Cox2 pathway, while MEHP acts through an alternative mechanism. Thus, understanding the role of Cox enzymes in SSCs and how GEN and MEHP exposures alter their differentiation warrants further studies.
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Affiliation(s)
- Amy Tran-Guzman
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA
| | - Renita Moradian
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA
| | - Haoyi Cui
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA
| | - Martine Culty
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA.
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Regulation of inflammation and COX-2 gene expression in benzo (a) pyrene induced lung carcinogenesis in mice by all trans retinoic acid (ATRA). Life Sci 2021; 285:119967. [PMID: 34543639 DOI: 10.1016/j.lfs.2021.119967] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 09/05/2021] [Accepted: 09/13/2021] [Indexed: 11/21/2022]
Abstract
AIM Inflammation provides favourable microenvironment for cancer development. An enhanced COX-2 gene expression is a key inflammatory mediator of cancers and the drug that inhibits it, helps to manage cancer effectively and increases survival rate. The objective is to analyse the inflammatory changes and COX-2 gene expression in benzo (a) pyrene induced mice and to evaluate the regulatory effect of all trans retinoic acid. MATERIALS AND METHODS The body and organ weights were recorded in B(a)P induced mice. The haematological parameters and serum inflammatory markers of carcinogenesis were tested. The H & E stained liver and lung tissues were examined for histopathologic changes. The COX-2 gene expression was analysed by RT-PCR and qPCR in lung and liver. KEY FINDINGS The decreased body weight, increased organ weights and the damages in liver and lung were observed in B(a)P induced mice and were prevented significantly upon ATRA treatment. The lowered Hb, RBC and lymphocytes and an enhanced WBC, monocytes and neutrophils observed in B(a)P group were significantly reversed in treated group. A drastic increase in cancer associated inflammatory markers observed in B(a)P induced mice were significantly (P ≤ 0.001) reduced in treated mice. The RT-PCR product density of COX-2 gene was very high in B(a)P group (lung-0.43 ± 0.06; liver-0.39 ± 0.04) significantly lower in treated group (lung-0.12 ± 0.03; liver-0.08 ± 0.03) with a significant difference in RQ values (B(a)P lung-18.46 ± 0.04, liver-12.46 ± 0.08; treated lung-5.93 ± 0.07, liver-2.92 ± 0.10). SIGNIFICANCE The ATRA has decreased the inflammatory condition with downregulation of COX-2 gene expression and thereby prevented carcinogenesis during early stage of B(a)P induced cancer development.
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Xie L, Li R, Zheng B, Xie Z, Fang X, Wang Y, Cuny GD, Li Z, Lin B, Chen X, Hu M. Development of Rofecoxib-Based Fluorescent Probes and Investigations on Their Solvatochromism, AIE Activity, Mechanochromism, and COX-2-Targeted Bioimaging. Anal Chem 2021; 93:11991-12000. [PMID: 34424685 DOI: 10.1021/acs.analchem.1c01978] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cyclooxygenase-2 (COX-2) fluorescent probes are promising tools for early diagnosis of cancer. Traditionally, COX-2 probes were designed by connecting two parts, a fluorophore and a COX-2 binding unit, via a flexible linker. Herein, a new class of COX-2-specific fluorescent probes have been developed via one-step modification from rofecoxib by an integrative approach to combine the binding unit and the fluorophore into one. Among them, several new rofecoxib analogues not only exhibited still potent COX-2 binding ability but also exhibited attractive fluorescence properties, such as tunable blue-red emission, solvatochromism, aggression-induced emission behavior, and mechanochromism. Notably, the emission of 2a16 can be switched between green-yellow in the crystalline state and red-orange in the amorphous state by grinding and fuming treatments. Furthermore, the highly fluorescent compound 2a16 (Φf = 0.94 in powder) displayed a much stronger fluorescence imaging of COX-2 in HeLa cancer cells overexpressing COX-2 than RAW264.7 normal cells with a minimal expression of COX-2. Most importantly, 2a16 can light up human cancer tissues from adjacent normal tissues with a much brighter fluorescence by targeting the COX-2 enzyme. These results demonstrated the potential of 2a16 as a new red fluorescent probe for human cancer imaging in clinical applications.
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Affiliation(s)
- Lijun Xie
- Fujian Provincial Key Laboratory of Screening for Novel Microbial Products, Fujian Institute of Microbiology, Fuzhou, Fujian 350007, P.R. China.,Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States
| | - Renfu Li
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China
| | - Biyun Zheng
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350007, P.R. China
| | - Zuoxu Xie
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States
| | - Xuefen Fang
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350007, P.R. China
| | - Yanqi Wang
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China
| | - Gregory D Cuny
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States
| | - Zhenli Li
- Department of Medicinal Chemistry, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P.R. China
| | - Bin Lin
- Department of Medicinal Chemistry, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P.R. China
| | - Xueyuan Chen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China
| | - Ming Hu
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States
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Gao S, Yang X, Xu J, Qiu N, Zhai G. Nanotechnology for Boosting Cancer Immunotherapy and Remodeling Tumor Microenvironment: The Horizons in Cancer Treatment. ACS NANO 2021; 15:12567-12603. [PMID: 34339170 DOI: 10.1021/acsnano.1c02103] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Immunotherapy that harnesses the human immune system to fight cancer has received widespread attention and become a mainstream strategy for cancer treatment. Cancer immunotherapy not only eliminates primary tumors but also treats metastasis and recurrence, representing a major advantage over traditional cancer treatments. Recently with the development of nanotechnology, there exists much work applying nanomaterials to cancer immunotherapy on the basis of their excellent physiochemical properties, such as efficient tissue-specific delivery function, huge specific surface area, and controllable surface chemistry. Consequently, nanotechnology holds significant potential in improving the efficacy of cancer immunotherapy. Nanotechnology-based immunotherapy mainly manifests its inhibitory effect on tumors via two different approaches: one is to produce an effective anti-tumor immune response during tumorigenesis, and the other is to enhance tumor immune defense ability by modulating the immune suppression mechanism in the tumor microenvironment. With the success of tumor immunotherapy, understanding the interaction between the immune system and smart nanomedicine has provided vigorous vitality for the development of cancer treatment. This review highlights the application, progress, and prospect of nanomedicine in the process of tumor immunoediting and also discusses several engineering methods to improve the efficiency of tumor treatment.
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Affiliation(s)
- Shan Gao
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, 44 WenhuaXilu, Jinan 250012, China
| | - Xiaoye Yang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, 44 WenhuaXilu, Jinan 250012, China
| | - Jiangkang Xu
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, 44 WenhuaXilu, Jinan 250012, China
| | - Na Qiu
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, 44 WenhuaXilu, Jinan 250012, China
| | - Guangxi Zhai
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, 44 WenhuaXilu, Jinan 250012, China
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MicroRNA and cyclooxygenase-2 in breast cancer. Clin Chim Acta 2021; 522:36-44. [PMID: 34389281 DOI: 10.1016/j.cca.2021.08.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/30/2021] [Accepted: 08/07/2021] [Indexed: 12/24/2022]
Abstract
Cancer remains a major public health problem worldwide and the latest statistics show that breast cancer (BC) is among the most frequent in women. MicroRNAs (miRNAs; miRs) and cyclooxygenase-2 (COX-2) are new diagnostic and therapeutic biomarkers for monitoring BC. COX-2 is a prominent tumor-associated inflammatory factor highly expressed in human tumor cells, including BC. Expression of COX-2 contributes to tumor growth, metastasis and recurrence. MiRs are a group of short (~22 nucleotides), noncoding regulatory RNAs that downregulate gene expression post-transcriptionally and play vital roles in regulating cancer development and progression. Interestingly, there are a group of miRNAs differentially expressed in breast tumor tissue. Understanding the pathway linking miRNAs to COX-2 can provide novel insight for suppressing COX-2 expression via gene silencing thereby leading to the development of selective miRNA inhibitors. Further research can also reveal key intermediate players and their potential as therapeutic targets. Given the association between different miRNAs and COX-2 expression in BC, this review presents a comprehensive overview of the current literature concerning how miRNAs and COX-2 signaling interact in BC progression.
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Akhter MS, Barabutis N. Suppression of reactive oxygen species in endothelial cells by an antagonist of growth hormone-releasing hormone. J Biochem Mol Toxicol 2021; 35:e22879. [PMID: 34369038 DOI: 10.1002/jbt.22879] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/16/2021] [Accepted: 07/29/2021] [Indexed: 12/19/2022]
Abstract
Growth hormone-releasing hormone (GHRH) is a hypothalamic hormone, which regulates the secretion of growth hormone (GH) from the anterior pituitary gland. The effects of GHRH extend beyond the GH-insulin-like growth factor I axis, and that neuropeptide has been involved in the potentiation of several malignancies and other inflammatory disorders. The development of GHRH antagonists (GHRHAnt) delivers an exciting possibility to counteract the pathogenesis of the GHRH-related effects in human pathophysiology, especially when considered that GHRHAnt support endothelial barrier integrity. Those GHRHAnt-mediated effects are exerted at least in part due to the suppression of major inflammatory pathways, and the modulation of major cytoskeletal components. In the present study, we measured the production of reactive oxygen species (ROS) in bovine pulmonary artery endothelial cells, human cerebral microvascular endothelial cells, and human lung microvascular endothelial cells exposed to GHRH or a commercially available GHRHAnt. Our findings reveal the antioxidative effects of GHRHAnt in all three cell lines, which express GHRH receptors. The redox status of NIH/3T3 cells, which do not produce GHRH receptors, was not significantly affected by GHRH or GHRHAnt. Hence, the application of GHRHAnt in pathologies related to increased ROS production should be further investigated.
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Affiliation(s)
- Mohammad S Akhter
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana, USA
| | - Nektarios Barabutis
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana, USA
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32
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Duan N, Zhang W, Song T, Li Z, Chen X, Ma W. A naturally derived small molecule PSM0537 targets the AF1Q-TCF4 interaction to suppress COX2 expression and inhibit cell proliferation and metastasis in osteosarcoma. Am J Cancer Res 2021; 11:2637-2653. [PMID: 34249419 PMCID: PMC8263654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 05/04/2021] [Indexed: 06/13/2023] Open
Abstract
ALL1 fused gene from chromosome 1q (AF1Q) functions as an oncogene in several types of cancers, but it has not been observed in osteosarcoma. In this study, we revealed that AF1Q was overexpressed in multiple osteosarcoma cell lines, and its expression level increased with the severity of tumor malignancy in osteosarcoma biopsies. AF1Q was coupled with the transcription factor T cell factor 4 (TCF4) to assemble a complex to bind to the promoter of cyclooxygenase 2 (COX2) and activate its expression. The individual knockdown of AF1Q, TCF4, or COX2 in osteosarcoma cell lines significantly decreased cell proliferation and invasion in vitro. The tumor xenograft model also indicated that the individual knockdown of AF1Q, TCF4, or COX2 could inhibit tumor growth and metastasis. On the basis of these promising results, we established an in vitro AlphaScreen method to identify the compounds that disrupted the AF1Q-TCF4 interaction in a naturally derived small molecule pool. We discovered a compound called PSM0537, which showed a strong ability to inhibit the AF1Q-TCF4 interaction at a low dose of half-maximal inhibitory concentration (IC50) (210.3 ± 15.6 nM). The administration of PSM0537 in vitro and in vivo could dramatically inhibit cell proliferation, invasion, and metastasis. Collectively, our findings reveal that the AF1Q-TCF4 transcriptional complex controls the expression of COX2 and that targeting the AF1Q-TCF4 interaction with PSM0537 could inhibit tumor cell growth and metastasis. Our results provide a new path for chemotherapy of osteosarcoma.
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Affiliation(s)
- Ning Duan
- Department of Orthopaedics, The First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710061, Shaanxi, China
- Department of Orthopaedic Surgery, Honghui Hospital, Xi’an Jiaotong UniversityXi’an 710054, Shaanxi, China
| | - Wentao Zhang
- Department of Orthopaedic Surgery, Honghui Hospital, Xi’an Jiaotong UniversityXi’an 710054, Shaanxi, China
| | - Tao Song
- Department of Orthopaedic Surgery, Honghui Hospital, Xi’an Jiaotong UniversityXi’an 710054, Shaanxi, China
| | - Zhong Li
- Department of Orthopaedic Surgery, Honghui Hospital, Xi’an Jiaotong UniversityXi’an 710054, Shaanxi, China
| | - Xun Chen
- Department of Orthopaedic Surgery, Honghui Hospital, Xi’an Jiaotong UniversityXi’an 710054, Shaanxi, China
| | - Wei Ma
- Department of Orthopaedics, The First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710061, Shaanxi, China
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Gong Z, Huang W, Wang B, Liang N, Long S, Li W, Zhou Q. Interplay between cyclooxygenase‑2 and microRNAs in cancer (Review). Mol Med Rep 2021; 23:347. [PMID: 33760116 PMCID: PMC7974460 DOI: 10.3892/mmr.2021.11986] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 02/23/2021] [Indexed: 02/06/2023] Open
Abstract
Tumor‑associated inflammation and aberrantly expressed biomarkers have been demonstrated to play crucial roles in the cancer microenvironment. Cyclooxygenase‑2 (COX‑2), a prominent inflammatory factor, is highly expressed in tumor cells and contributes to tumor growth, recurrence and metastasis. Overexpression of COX‑2 may occur at both transcriptional and post‑transcriptional levels. Thus, an improved understanding of the regulatory mechanisms of COX‑2 can facilitate the development of novel antitumor therapies. MicroRNAs (miRNAs) are a group of small non‑coding RNAs that act as translation repressors of target mRNAs, and play vital roles in regulating cancer development and progression. The present review discusses the association between miRNAs and COX‑2 expression in different types of cancer. Understanding the regulatory role of miRNAs in COX‑2 post‑transcription can provide novel insight for suppressing COX‑2 expression via gene silencing mechanisms, which offer new perspectives and future directions for the development of novel COX‑2 selective inhibitors based on miRNAs.
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Affiliation(s)
- Zexiong Gong
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
| | - Weiguo Huang
- Cancer Research Institute, Medical College of University of South China, Hengyang, Hunan 421001, P.R. China
| | - Baiyun Wang
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
| | - Na Liang
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
| | - Songkai Long
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
| | - Wanjun Li
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
| | - Qier Zhou
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
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Xie L, Li R, Zheng B, Xie Z, Fang X, Dai T, Wang X, Li L, Wang L, Cuny GD, Eriksen J, Tu D, Chen Z, Wang X, Chen X, Hu M. One-Step Transformation from Rofecoxib to a COX-2 NIR Probe for Human Cancer Tissue/Organoid Targeted Bioimaging. ACS APPLIED BIO MATERIALS 2021; 4:2723-2731. [PMID: 35014311 DOI: 10.1021/acsabm.0c01634] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
COX-2 fluorescent probes are promising tools for cancer diagnosis. Such probes have been conventionally designed by conjugating a fluorophore to COX-2 inhibitors through lengthy synthetic processes. Herein, a type of fluorescent probe for COX-2 imaging has been developed using a single-step process from rofecoxib. In total, six rofecoxib analogues were designed using this unique strategy. Several analogues retained comparative COX-2 targeting activity of rofecoxib and also exhibited attractive fluorescent properties, which were investigated using a combination of experimental and theoretical approaches. The most potent analogue, 2a1, displayed strong fluorescent imaging of COX-2 in HeLa cells overexpressing COX-2 compared to Raw 264.7 cells and celecoxib-treated HeLa cells that expressed low levels of COX-2. Notably, our studies indicate that 2a1 can differentiate human cancer tissue from adjacent tissue with much brighter fluorescence either in histological section or cultured 3D organoids. These results illustrate the potential of 2a1 as a COX-2 near infrared fluorescent probe for human cancer imaging in clinical settings.
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Affiliation(s)
- Lijun Xie
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States.,Fujian Provincial Key Laboratory of Screening for Novel Microbial Products, Fujian Institute of Microbiology, Fuzhou, Fujian 350007, PR China
| | - Renfu Li
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Biyun Zheng
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, PR China
| | - Zuoxu Xie
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States
| | - Xuefen Fang
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, PR China
| | - Tao Dai
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Xinli Wang
- Department of Medical Oncology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, PR China
| | - Li Li
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States
| | - Liye Wang
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States
| | - Gregory D Cuny
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States
| | - Jason Eriksen
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States
| | - Datao Tu
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Zhuo Chen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Xiaozhong Wang
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, PR China
| | - Xueyuan Chen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Ming Hu
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas 77204, United States
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Chen T, Huang Y, Hong J, Wei X, Zeng F, Li J, Ye G, Yuan J, Long Y. Preparation, COX-2 Inhibition and Anticancer Activity of Sclerotiorin Derivatives. Mar Drugs 2020; 19:md19010012. [PMID: 33383842 PMCID: PMC7823724 DOI: 10.3390/md19010012] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 12/24/2022] Open
Abstract
The latest research has indicated that anti-tumor agents with COX-2 inhibitory activity may benefit their anti-tumor efficiency. A series of sclerotiorin derivatives have been synthesized and screened for their cytotoxic activity against human lung cancer cells A549, breast cancer cells MDA-MB-435 using the MTT method. Among them, compounds 3, 7, 12, 13, 15, 17 showed good cytotoxic activity with IC50 values of 6.39, 9.20, 9.76, 7.75, 9.08, and 8.18 μM, respectively. In addition, all compounds were tested in vitro the COX-2 inhibitory activity. The results disclosed compounds 7, 13, 25 and sclerotiorin showed moderate to good COX-2 inhibition with the inhibitory ratios of 58.7%, 51.1%, 66.1% and 56.1%, respectively. Notably, compound 3 displayed a comparable inhibition ratio (70.6%) to the positive control indomethacin (78.9%). Furthermore, molecular docking was used to rationalize the potential of the sclerotiorin derivatives as COX2 inhibitory agents by predicting their binding energy, binding modes and optimal orientation at the active site of the COX-2. Additionally, the structure-activity relationships (SARS) have been addressed.
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Affiliation(s)
- Tao Chen
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou 510006, China; (T.C.); (J.H.); (X.W.); (F.Z.); (J.L.); (G.Y.)
| | - Yun Huang
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China;
- School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Junxian Hong
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou 510006, China; (T.C.); (J.H.); (X.W.); (F.Z.); (J.L.); (G.Y.)
| | - Xikang Wei
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou 510006, China; (T.C.); (J.H.); (X.W.); (F.Z.); (J.L.); (G.Y.)
| | - Fang Zeng
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou 510006, China; (T.C.); (J.H.); (X.W.); (F.Z.); (J.L.); (G.Y.)
| | - Jialin Li
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou 510006, China; (T.C.); (J.H.); (X.W.); (F.Z.); (J.L.); (G.Y.)
| | - Geting Ye
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou 510006, China; (T.C.); (J.H.); (X.W.); (F.Z.); (J.L.); (G.Y.)
| | - Jie Yuan
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China;
- Correspondence: (J.Y.); (Y.L.)
| | - Yuhua Long
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou 510006, China; (T.C.); (J.H.); (X.W.); (F.Z.); (J.L.); (G.Y.)
- Correspondence: (J.Y.); (Y.L.)
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36
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Pedro MP, Lund K, Iglesias-Bartolome R. The landscape of GPCR signaling in the regulation of epidermal stem cell fate and skin homeostasis. Stem Cells 2020; 38:1520-1531. [PMID: 32896043 DOI: 10.1002/stem.3273] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/18/2020] [Indexed: 12/12/2022]
Abstract
Continuous integration of signals from the micro and macro-environment is necessary for somatic stem cells to adapt to changing conditions, maintain tissue homeostasis and activate repair mechanisms. G-protein coupled receptors (GPCRs) facilitate this integration by binding to numerous hormones, metabolites and inflammatory mediators, influencing a diverse network of pathways that regulate stem cell fate. This adaptive mechanism is particularly relevant for tissues that are exposed to environmental assault, like skin. The skin is maintained by a set of basal keratinocyte stem and progenitor cells located in the hair follicle and interfollicular epidermis, and several GPCRs and their signaling partners serve as makers and regulators of epidermal stem cell activity. GPCRs utilize heterotrimeric G protein dependent and independent pathways to translate extracellular signals into intracellular molecular cascades that dictate the activation of keratinocyte proliferative and differentiation networks, including Hedgehog GLI, Hippo YAP1 and WNT/β-catenin, ultimately regulating stem cell identity. Dysregulation of GPCR signaling underlines numerous skin inflammatory diseases and cancer, with smoothened-driven basal cell carcinoma being a main example of a GPCR associated cancer. In this review, we discuss the impact of GPCRs and their signaling partners in skin keratinocyte biology, particularly in the regulation of the epidermal stem cell compartment.
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Affiliation(s)
- M Pilar Pedro
- Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Katherine Lund
- Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Ramiro Iglesias-Bartolome
- Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
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Musser ML, Viall AK, Phillips RL, Hostetter JM, Johannes CM. Gene expression of prostaglandin EP4 receptor in three canine carcinomas. BMC Vet Res 2020; 16:213. [PMID: 32571310 PMCID: PMC7310232 DOI: 10.1186/s12917-020-02431-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 06/16/2020] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Chronic inflammation mediated by the cyclooxygenase enzymes, specifically their product prostaglandin E2 (PGE2), can result in the development of cancer. PGE2 promotes cell proliferation, apoptosis, and angiogenesis through interaction with its specific receptors (EP1 receptor - EP4 receptor [EP1R-EP4R]). In multiple human cancers, the expression of EP4R is associated with the development of malignancy and a poor prognosis. The expression of EP4R has not yet been evaluated in canine tumors. The aim of this study was to characterize the mRNA gene expression of EP4R (ptger4) in canine squamous cell carcinoma (SCC), apocrine gland anal sac adenocarcinoma (AGASACA), and transitional cell carcinoma (TCC). Archived tumor samples of canine cutaneous SCC (n = 9), AGASACA (n = 9), and TCC (n = 9), and matched archived normal tissue controls were evaluated for mRNA expression of canine EP4R using RNA in situ hybridization (RNAscope®). Quantification of RNAscope® signals in tissue sections was completed with an advanced digital pathology image analysis system (HALO). Data was expressed as copy number, H-index, and percent tumor cell expression of EP4R. RESULTS In all canine SCC, AGASACA, and TCC samples evaluated, strong universal positive expression of EP4R was identified. For SCC and AGASACA, mRNA EP4R expression was statistically higher than that of their respective normal tissues. The TCC tissues displayed significantly less mRNA EP4R expression when compared to normal bladder mucosa. CONCLUSIONS These results confirm the mRNA expression of canine EP4R in all tumor types evaluated, with SCC and AGASACA displaying the highest expression, and TCC displaying the lowest expression. This study also represents the first reported veterinary evaluation of EP4R expression using the novel in situ hybridization technique, RNAscope®.
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Affiliation(s)
- Margaret L Musser
- Department of Veterinary Clinical Sciences, Iowa State University College of Veterinary Medicine, Ames, IA, USA.
| | - Austin K Viall
- Department of Veterinary Pathology, Iowa State University College of Veterinary Medicine, Ames, IA, USA
| | - Rachel L Phillips
- Department of Veterinary Pathology, Iowa State University College of Veterinary Medicine, Ames, IA, USA
| | - Jesse M Hostetter
- Department of Veterinary Pathology, Iowa State University College of Veterinary Medicine, Ames, IA, USA.,Present address: University of Georgia College of Veterinary Medicine, 501 D.W. Brooks Drive, Athens, GA, 30602, USA
| | - Chad M Johannes
- Department of Veterinary Clinical Sciences, Iowa State University College of Veterinary Medicine, Ames, IA, USA
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