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Qu B, Yuan J, Liu X, Zhang S, Ma X, Lu L. Anticancer activities of natural antimicrobial peptides from animals. Front Microbiol 2024; 14:1321386. [PMID: 38298540 PMCID: PMC10827920 DOI: 10.3389/fmicb.2023.1321386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 12/27/2023] [Indexed: 02/02/2024] Open
Abstract
Cancer is the most common cause of human death worldwide, posing a serious threat to human health and having a negative impact on the economy. In the past few decades, significant progress has been made in anticancer therapies, but traditional anticancer therapies, including radiation therapy, surgery, chemotherapy, molecular targeted therapy, immunotherapy and antibody-drug conjugates (ADCs), have serious side effects, low specificity, and the emergence of drug resistance. Therefore, there is an urgent need to develop new treatment methods to improve efficacy and reduce side effects. Antimicrobial peptides (AMPs) exist in the innate immune system of various organisms. As the most promising alternatives to traditional drugs for treating cancers, some AMPs also have been proven to possess anticancer activities, which are defined as anticancer peptides (ACPs). These peptides have the advantages of being able to specifically target cancer cells and have less toxicity to normal tissues. More and more studies have found that marine and terrestrial animals contain a large amount of ACPs. In this article, we introduced the animal derived AMPs with anti-cancer activity, and summarized the types of tumor cells inhibited by ACPs, the mechanisms by which they exert anti-tumor effects and clinical applications of ACPs.
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Affiliation(s)
- Baozhen Qu
- Qingdao Cancer Prevention and Treatment Research Institute, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao, China
| | - Jiangshui Yuan
- Department of Clinical Laboratory, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), Qingdao, China
| | - Xueli Liu
- Qingdao Cancer Prevention and Treatment Research Institute, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao, China
- Medical Ethics Committee Office, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao, China
| | - Shicui Zhang
- College of Life and Geographic Sciences, Key Laboratory of Biological Resources and Ecology of Pamirs Plateau in Xinjiang Uygur Autonomous Region, Kashi University, Kashi, China
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, China
| | - Xuezhen Ma
- Department of Oncology, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao, China
| | - Linlin Lu
- Qingdao Cancer Prevention and Treatment Research Institute, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao, China
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Pedroza-García KA, Calderón-Vallejo D, Cervantes-García D, Quintanar-Stephano A, Salinas E, Quintanar JL. Effect of Leuprolide Acetate, a GnRH Agonist, on Neuroinflammation and Anxiety-Like Behavior after Mild Hypoxic-Ischemic Encephalopathy in Rat Model. Neuroimmunomodulation 2023; 30:206-212. [PMID: 37607495 PMCID: PMC10614564 DOI: 10.1159/000533388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 07/31/2023] [Indexed: 08/24/2023] Open
Abstract
BACKGROUND Mild hypoxic-ischemic encephalopathy (HIE) is a condition that predisposes to negative outcomes such as neuroanatomical injury, mood disorders, and motor or cognitive disabilities. The neuroinflammation plays an important role in the neurological damage; therefore, reducing it could provide neuroprotection. The leuprolide acetate (LA) has shown to have neuroregenerative and immunomodulator properties in other nervous system injuries. OBJECTIVE The aim of this study was to evaluate the immunomodulatory effect of LA in the acute phase of mild HIE and its effects in motor activity and behavior in a subacute phase. METHOD Forty-five Wistar rats on postnatal day 7 were divided into Sham, HIE treated with saline solution (HIE-SS), and HIE-LA. The HIE was performed cutting of the right carotid artery followed by 60 min of hypoxia. The expression of the inflammatory cytokines interleukin (IL)-1β, tumor necrosis factor (TNF)-α, interferon (IFN)-γ, and the chemokine CXCL-1 were evaluated 72 h after HIE by RT-qPCR and the motor activity and behavior were evaluated by open field test at postnatal day 33. RESULTS HIE-SS animals showed increased expression of IL-1β, TNF-α, IFN-γ, and CXCL-1 genes in injured tissue. However, the HIE-LA group exhibited similar expression levels of IL-1β and TNF-α to the Sham group, while IFN-γ and CXCL-1 mRNA expression were attenuated with LA treatment. LA treatment also prevented anxiety-like behavior in the open field test. CONCLUSION Treatment with LA partially reverses HIE-induced neuroinflammation and prevents anxiety-like behavior in neonatal rats.
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Affiliation(s)
- Karina Alejandra Pedroza-García
- Laboratorio de Neurofisiología, Departamento de Fisiología y Farmacología, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Denisse Calderón-Vallejo
- Laboratorio de Neurofisiología, Departamento de Fisiología y Farmacología, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
- Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Daniel Cervantes-García
- Laboratorio de Inmunología, Departamento de Microbiología, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
- Consejo Nacional de Ciencia y Tecnología, Mexico City, Mexico
| | - Andrés Quintanar-Stephano
- Laboratorio de Neuroendocrinología, Departamento de Fisiología y Farmacología, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Eva Salinas
- Laboratorio de Inmunología, Departamento de Microbiología, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - J. Luis Quintanar
- Laboratorio de Neurofisiología, Departamento de Fisiología y Farmacología, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
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Tripathi AK, Vishwanatha JK. Role of Anti-Cancer Peptides as Immunomodulatory Agents: Potential and Design Strategy. Pharmaceutics 2022; 14:pharmaceutics14122686. [PMID: 36559179 PMCID: PMC9781574 DOI: 10.3390/pharmaceutics14122686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 11/27/2022] [Accepted: 11/30/2022] [Indexed: 12/05/2022] Open
Abstract
The usage of peptide-based drugs to combat cancer is gaining significance in the pharmaceutical industry. The collateral damage caused to normal cells due to the use of chemotherapy, radiotherapy, etc. has given an impetus to the search for alternative methods of cancer treatment. For a long time, antimicrobial peptides (AMPs) have been shown to display anticancer activity. However, the immunomodulatory activity of anti-cancer peptides has not been researched very extensively. The interconnection of cancer and immune responses is well-known. Hence, a search and design of molecules that can show anti-cancer and immunomodulatory activity can be lead molecules in this field. A large number of anti-cancer peptides show good immunomodulatory activity by inhibiting the pro-inflammatory responses that assist cancer progression. Here, we thoroughly review both the naturally occurring and synthetic anti-cancer peptides that are reported to possess both anti-cancer and immunomodulatory activity. We also assess the structural and biophysical parameters that can be utilized to improve the activity. Both activities are mostly reported by different groups, however, we discuss them together to highlight their interconnection, which can be used in the future to design peptide drugs in the field of cancer therapeutics.
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Pedroza-García KA, Calderón-Vallejo D, Quintanar JL. Neonatal Hypoxic-Ischemic Encephalopathy: Perspectives of Neuroprotective and Neuroregenerative Treatments. Neuropediatrics 2022; 53:402-417. [PMID: 36030792 DOI: 10.1055/s-0042-1755235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Hypoxic-ischemic encephalopathy (HIE) is a serious condition that could have deleterious neurological outcomes, such as cerebral palsy, neuromotor disability, developmental disability, epilepsy, and sensitive or cognitive problems, and increase the risk of death in severe cases. Once HIE occurs, molecular cascades are triggered favoring the oxidative stress, excitotoxicity, and inflammation damage that promote cell death via apoptosis or necrosis. Currently, the therapeutic hypothermia is the standard of care in HIE; however, it has a small window of action and only can be used in children of more than 36 gestational weeks; for this reason, it is very important to develop new therapies to prevent the progression of the hypoxic-ischemic injury or to develop neuroregenerative therapies in severe HIE cases. The objective of this revision is to describe the emerging treatments for HIE, either preventing cell death for oxidative stress, excitotoxicity, or exacerbated inflammation, as well as describing a new therapeutic approach for neuroregeneration, such as mesenchymal stem cells, brain-derived neurotrophic factor, and gonadotropin realizing hormone agonists.
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Affiliation(s)
- Karina A Pedroza-García
- Departamento de Fisiología y Farmacología, Laboratorio de Neurofisiología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, México
| | - Denisse Calderón-Vallejo
- Departamento de Fisiología y Farmacología, Laboratorio de Neurofisiología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, México.,Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, México
| | - J Luis Quintanar
- Departamento de Fisiología y Farmacología, Laboratorio de Neurofisiología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, México
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Palacios JL, Luquin S, Quintanar JL, Munoz A. Continuous administration of leuprolide acetate improves urinary function in male rats with severe thoracic spinal cord injury. Life Sci 2022; 310:121113. [DOI: 10.1016/j.lfs.2022.121113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 09/23/2022] [Accepted: 10/17/2022] [Indexed: 11/09/2022]
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Lin SY, Lin CL, Chang SS, Chang YH, Hsu WH, Lin CC, Kao CH. Risk of diabetes mellitus in patients with prostate cancer receiving injection therapy: A nationwide population-based propensity score-matched study. Int J Clin Pract 2021; 75:e14416. [PMID: 34047432 DOI: 10.1111/ijcp.14416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 05/24/2021] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVES We aimed to investigate whether the risk of diabetes mellitus (DM) is heightened in patients with prostate cancer receiving injection therapy. METHODS Men diagnosed with prostate cancer between 2000 and 2012 were included in the case cohort, and men without prostate cancer were included as controls. Each patient with prostate cancer was matched with a control patient with the same index year, demographic variables and comorbidities, and comparisons were made using propensity score matching. The hazard ratio of DM was estimated using the Cox proportional hazards model. RESULTS This cohort study consisted of 1213 patients with prostate cancer and 1213 control patients. The risk of DM in patients with prostate cancer was 1.60 times (95% CI = 1.12, 2.27) that of patients without prostate cancer. Compared with the controls, the hazard ratios of DM for patients with prostate cancer not receiving oral hormone therapy, patients with prostate cancer receiving oral hormone therapy, and patients with prostate cancer not receiving injection hormone therapy were 1.65 (95% CI = 1.01, 2.70), 1.57 (95% CI = 1.07, 2.70), and 1.94 (95% CI = 1.34, 2.81), respectively. The risk of DM in patients who received injection hormone therapy was 0.45 times (95% CI = 0.25, 0.82) that of patients who did not receive injection hormone therapy. CONCLUSION Patients with prostate cancer had an increased risk of DM compared with patients without prostate cancer. Patients with prostate cancer who received injection therapy had a lower risk of DM compared with those who did not.
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Affiliation(s)
- Shih-Yi Lin
- Graduate Institute of Biomedical Sciences and School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
- Division of Nephrology and Kidney Institute, China Medical University Hospital, Taichung, Taiwan
| | - Cheng-Li Lin
- Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan
- College of Medicine, China Medical University, Taichung, Taiwan
| | - Shih-Sheng Chang
- Division of Cardiology, China Medical University Hospital, Taichung, Taiwan
| | - Yi-Huei Chang
- Division of Urology, China Medical University Hospital, Taichung, Taiwan
| | - Wu-Huei Hsu
- Graduate Institute of Biomedical Sciences and School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
- Division of Pulmonary and Critical Care Medicine, China Medical University Hospital and China Medical University, Taichung, Taiwan
| | - Cheng-Chieh Lin
- Graduate Institute of Biomedical Sciences and School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
- Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chia-Hung Kao
- Graduate Institute of Biomedical Sciences and School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
- Department of Nuclear Medicine and PET Center, China Medical University Hospital, Taichung, Taiwan
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan
- Center of Augmented Intelligence in Healthcare, China Medical University Hospital, Taichung, Taiwan
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Ghareghani M, Ghanbari A, Eid A, Shaito A, Mohamed W, Mondello S, Zibara K. Hormones in experimental autoimmune encephalomyelitis (EAE) animal models. Transl Neurosci 2021; 12:164-189. [PMID: 34046214 PMCID: PMC8134801 DOI: 10.1515/tnsci-2020-0169] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 04/05/2021] [Accepted: 04/14/2021] [Indexed: 12/30/2022] Open
Abstract
Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system (CNS) in which activated immune cells attack the CNS and cause inflammation and demyelination. While the etiology of MS is still largely unknown, the interaction between hormones and the immune system plays a role in disease progression, but the mechanisms by which this occurs are incompletely understood. Several in vitro and in vivo experimental, but also clinical studies, have addressed the possible role of the endocrine system in susceptibility and severity of autoimmune diseases. Although there are several demyelinating models, experimental autoimmune encephalomyelitis (EAE) is the oldest and most commonly used model for MS in laboratory animals which enables researchers to translate their findings from EAE into human. Evidences imply that there is great heterogeneity in the susceptibility to the induction, the method of induction, and the response to various immunological or pharmacological interventions, which led to conflicting results on the role of specific hormones in the EAE model. In this review, we address the role of endocrine system in EAE model to provide a comprehensive view and a better understanding of the interactions between the endocrine and the immune systems in various models of EAE, to open up a ground for further detailed studies in this field by considering and comparing the results and models used in previous studies.
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Affiliation(s)
- Majid Ghareghani
- Neuroscience Laboratory, CHU de Québec Research Center and Department of Molecular Medicine, Faculty of Medicine, Laval University, Québec City, QC, Canada
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Amir Ghanbari
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Ali Eid
- Biomedical and Pharmaceutical Research Unit and Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Abdullah Shaito
- Department of Biological and Chemical Sciences, Faculty of Arts and Sciences, Lebanese International University, Beirut, Lebanon
| | - Wael Mohamed
- Clinical Pharmacology Department, Menoufia Medical School, Menoufia University, Shibin Al Kawm, Egypt
- Department of Basic Medical Sciences, Kulliyyah of Medicine, International Islamic University Malaysia (IIUM), Kuantan, Pahang, Malaysia
| | - Stefania Mondello
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Kazem Zibara
- PRASE, Lebanese University, Beirut, Lebanon
- Biology Department, Faculty of Sciences – I, Lebanese University, Beirut, Lebanon
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Liu JM, Yu CP, Chuang HC, Wu CT, Hsu RJ. Androgen deprivation therapy for prostate cancer and the risk of autoimmune diseases. Prostate Cancer Prostatic Dis 2019; 22:475-482. [PMID: 30692587 DOI: 10.1038/s41391-019-0130-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 01/04/2019] [Accepted: 01/07/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND Androgen deprivation therapy (ADT) has been a mainstay of treatment for advanced prostate cancer (PCa), but limited studies have been performed to investigate the association between ADT and autoimmune diseases. METHODS We conducted a population-based nationwide cohort study of 17,168 patients newly diagnosed with PCa between 1996 and 2013 using the National Health Insurance Research Database (NHIRD) of Taiwan. Cox proportional hazards models with 1:1 propensity score-matched analysis were used to investigate the association between ADT use and the risk of autoimmune diseases. The autoimmune diseases included Graves' disease, Crohn's disease, psoriasis, systemic lupus erythematosus, rheumatoid arthritis, ankylosing spondylitis, Guillain-Barre syndrome, Sjogren's syndrome, myasthenia gravis, pernicious anemia, hereditary hemolytic anemia, polyarteritis nodosa, Celiac disease, uveitis, polymyalgia rheumatica, dermatomyositis, Hashimoto's thyroiditis, hypersensitivity vasculitis, Behcet's disease, polymyositis, alopecia areata, Wegener's granulomatosis, ulcerative colitis, autoimmune hemolytic anemia, pemphigus, multiple sclerosis, systemic sclerosis, Goodpasture syndrome, giant cell arteritis, thromboangitis obliterans, arteritis obliterans, and Kawasaki disease. The duration of ADT use as a time-dependent variable was also examined for its association with autoimmune diseases. We also performed six secondary analyses. RESULTS Of the 17,168 selected PCa patients, 14,444 patients met all the inclusion and exclusion criteria. After propensity score matching, 5590 ADT users and 5590 non-ADT users were included in the study cohort. A propensity score-matched analysis (adjusted hazard ratio (aHR), 0.619, 95% confidence interval (CI), 0.51-0.75, P < 0.001) demonstrated a significantly decreased risk of autoimmune diseases in ADT users. A significant decrease in the risk of autoimmune diseases with increasing ADT duration was also demonstrated (P < 0.001). CONCLUSIONS We observed that ADT use in patients with PCa was associated with a decreased risk of autoimmune diseases. These novel findings provide a potential role for androgen deprivation therapy in the modification of inflammation and autoimmunity in Asian patients with prostate cancer.
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Affiliation(s)
- Jui-Ming Liu
- Division of Urology, Department of Surgery, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan.,Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan.,Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Cheng-Ping Yu
- Department of Pathology and Graduate Institute of Pathology and Parasitology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Heng-Chang Chuang
- Division of Urology, Department of Surgery, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan
| | - Chun-Te Wu
- Department of Urology, Chang Gung Memorial Hospital, Keelung, Taiwan
| | - Ren-Jun Hsu
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan. .,Department of Pathology and Graduate Institute of Pathology and Parasitology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan. .,Cancer Medicine Center of Hualien Tzu Chi Hospital, Tzu Chi University, Hualien, Taiwan.
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Ciebiera M, Włodarczyk M, Zgliczyńska M, Łukaszuk K, Męczekalski B, Kobierzycki C, Łoziński T, Jakiel G. The Role of Tumor Necrosis Factor α in the Biology of Uterine Fibroids and the Related Symptoms. Int J Mol Sci 2018; 19:E3869. [PMID: 30518097 PMCID: PMC6321234 DOI: 10.3390/ijms19123869] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 11/27/2018] [Accepted: 11/28/2018] [Indexed: 12/20/2022] Open
Abstract
Uterine fibroids (UFs) are the most common benign tumors of the female genital tract. The incidence of UFs has been estimated at 25⁻80% depending on selected population. The pathophysiology of UFs remains poorly understood. The transformation of smooth muscle cells of the uterus into abnormal, immortal cells, capable of clonal division, is the main component of all pathways leading to UF tumor formation and tumor necrosis factor α (TNF-α) is believed to be one of the key factors in this field. TNF-α is a cell signaling protein involved in systemic inflammation and is one of the cytokines responsible for the acute phase reaction. This publication presents current data about the role of tumor necrosis factor α in the biology of UFs and the related symptoms. TNF-α is an extremely important cytokine associated with the biology of UFs, UF-related symptoms and complaints. Its concentration has been proven to be elevated in women with clinically symptomatic UFs. The presented data suggest the presence of an "inflammation-like" state in women with UFs where TNF-α is a potent inflammation inducer. The origin of numerous symptoms reported by women with UFs can be traced back to the TNF-α influence. Nevertheless, our knowledge on this subject remains limited and TNF-α dependent pathways in UF pathophysiology should be investigated further.
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Affiliation(s)
- Michał Ciebiera
- Second Department of Obstetrics and Gynecology, The Center of Postgraduate Medical Education, 01-809 Warsaw, Poland.
| | - Marta Włodarczyk
- Department of Biochemistry and Clinical Chemistry, Department of Pharmacogenomics, Medical University of Warsaw, 02-097 Warsaw, Poland.
| | - Magdalena Zgliczyńska
- Students' Scientific Association at the I Department of Obstetrics and Gynecology, Medical University of Warsaw, 02-015 Warsaw, Poland.
| | - Krzysztof Łukaszuk
- Department of Obstetrics and Gynecological Nursing, Faculty of Health Sciences, Medical University of Gdansk, 80-210 Gdansk, Poland.
- INVICTA Fertility and Reproductive Center, 80-172 Gdansk, Poland.
| | - Błażej Męczekalski
- Department of Gynecological Endocrinology, Poznan University of Medical Sciences, 60-513 Poznan, Poland.
| | - Christopher Kobierzycki
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland.
| | - Tomasz Łoziński
- Department of Obstetrics and Gynecology Pro-Familia Hospital, 35-001 Rzeszów, Poland.
| | - Grzegorz Jakiel
- First Department of Obstetrics and Gynecology, The Center of Postgraduate Medical Education, 01-004 Warsaw, Poland.
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Quintanar JL, Díaz-Galindo C, Calderón-Vallejo D, Hernández-Jasso I, Rojas F, Medina-Aguiñaga D, Olvera-Sandoval C. Neurological improvement in patients with chronic spinal cord injury treated with leuprolide acetate, an agonist of GnRH. Acta Neurobiol Exp (Wars) 2018. [DOI: 10.21307/ane-2018-034] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Wang ZC, Li LH, Bian C, Yang L, Lv N, Zhang YQ. Involvement of NF-κB and the CX3CR1 Signaling Network in Mechanical Allodynia Induced by Tetanic Sciatic Stimulation. Neurosci Bull 2017; 34:64-73. [PMID: 28612319 DOI: 10.1007/s12264-017-0149-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 03/17/2017] [Indexed: 01/15/2023] Open
Abstract
Tetanic stimulation of the sciatic nerve (TSS) triggers long-term potentiation in the dorsal horn of the spinal cord and long-lasting pain hypersensitivity. CX3CL1-CX3CR1 signaling is an important pathway in neuronal-microglial activation. Nuclear factor κB (NF-κB) is a key signal transduction molecule that regulates neuroinflammation and neuropathic pain. Here, we set out to determine whether and how NF-κB and CX3CR1 are involved in the mechanism underlying the pathological changes induced by TSS. After unilateral TSS, significant bilateral mechanical allodynia was induced, as assessed by the von Frey test. The expression of phosphorylated NF-κB (pNF-κB) and CX3CR1 was significantly up-regulated in the bilateral dorsal horn. Immunofluorescence staining demonstrated that pNF-κB and NeuN co-existed, implying that the NF-κB pathway is predominantly activated in neurons following TSS. Administration of either the NF-κB inhibitor ammonium pyrrolidine dithiocarbamate or a CX3CR1-neutralizing antibody blocked the development and maintenance of neuropathic pain. In addition, blockade of NF-κB down-regulated the expression of CX3CL1-CX3CR1 signaling, and conversely the CX3CR1-neutralizing antibody also down-regulated pNF-κB. These findings suggest an involvement of NF-κB and the CX3CR1 signaling network in the development and maintenance of TSS-induced mechanical allodynia. Our work suggests the potential clinical application of NF-κB inhibitors or CX3CR1-neutralizing antibodies in treating pathological pain.
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Affiliation(s)
- Zhe-Chen Wang
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, 200032, China
| | - Li-Hong Li
- Department of Anesthesiology, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Chao Bian
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, 200032, China
| | - Liu Yang
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, 200032, China.
| | - Ning Lv
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, 200032, China
| | - Yu-Qiu Zhang
- Institutes of Brain Science, State Key Laboratory of Medical Neurobiology and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, 200032, China.
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Hutchinson JA, Burholt S, Hamley IW. Peptide hormones and lipopeptides: from self-assembly to therapeutic applications. J Pept Sci 2017; 23:82-94. [PMID: 28127868 PMCID: PMC5324658 DOI: 10.1002/psc.2954] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 11/24/2016] [Accepted: 11/27/2016] [Indexed: 12/18/2022]
Abstract
This review describes the properties and activities of lipopeptides and peptide hormones and how the lipidation of peptide hormones could potentially produce therapeutic agents combating some of the most prevalent diseases and conditions. The self‐assembly of these types of molecules is outlined, and how this can impact on bioactivity. Peptide hormones specific to the uptake of food and produced in the gastrointestinal tract are discussed in detail. The advantages of lipidated peptide hormones over natural peptide hormones are summarised, in terms of stability and renal clearance, with potential application as therapeutic agents. © 2017 The Authors Journal of Peptide Science published by European Peptide Society and John Wiley & Sons Ltd.
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Affiliation(s)
- J A Hutchinson
- Department of Chemistry, University of Reading, Whiteknights, Reading, RG6 6AD, UK
| | - S Burholt
- Department of Chemistry, University of Reading, Whiteknights, Reading, RG6 6AD, UK
| | - I W Hamley
- Department of Chemistry, University of Reading, Whiteknights, Reading, RG6 6AD, UK
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