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Huang WL, Hsu YC, Luo CW, Chang SJ, Hung YH, Lai CY, Yang YT, Chen YZ, Wu CC, Chen FM, Hou MF, Pan MR. Targeting the CDK7-MDK axis to suppresses irinotecan resistance in colorectal cancer. Life Sci 2024; 353:122914. [PMID: 39004275 DOI: 10.1016/j.lfs.2024.122914] [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: 05/25/2024] [Revised: 07/10/2024] [Accepted: 07/10/2024] [Indexed: 07/16/2024]
Abstract
AIMS Colorectal cancer (CRC) remains a major global health issue, with metastatic cases presenting poor prognosis despite advances in chemotherapy and targeted therapy. Irinotecan, a key drug for advanced CRC treatment, faces challenges owing to the development of resistance. This study aimed to understand the mechanisms underlying irinotecan resistance in colorectal cancer. MAIN METHODS We created a cell line resistant to irinotecan using HT29 cells. These resistant cells were utilized to investigate the role of the CDK7-MDK axis. We employed bulk RNA sequencing, conducted in vivo experiments with mice, and analyzed patient tissues to examine the effects of the CDK7-MDK axis on the cellular response to irinotecan. KEY FINDINGS Our findings revealed that HT29 cells resistant to irinotecan, a crucial colorectal cancer medication, exhibited significant phenotypic and molecular alterations compared to their parental counterparts, including elevated stem cell characteristics and increased levels of cytokines and drug resistance proteins. Notably, CDK7 expression was substantially higher in these resistant cells, and targeting CDK7 effectively decreased their survival and tumor growth, enhancing irinotecan sensitivity. RNA-seq analysis indicated that suppression of CDK7 in irinotecan-resistant HT29 cells significantly reduced Midkine (MDK) expression. Decreased CDK7 and MDK levels, achieved through siRNA and the CDK7 inhibitor THZ1, enhanced the sensitivity of resistant HT29 cells to irinotecan. SIGNIFICANCE Our study sheds light on how CDK7 and MDK influence irinotecan resistance in colorectal and highlights the potential of MDK-targeted therapies. We hypothesized that irinotecan sensitivity and overall treatment efficacy would improve by inhibiting MDK. This finding encourages a careful yet proactive investigation of MDK as a therapeutic target to enhance outcomes in colorectal cancer patients.
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Affiliation(s)
- Wei-Lun Huang
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Department of Radiation Oncology, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan
| | - Yin-Chou Hsu
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Department of Emergency Medicine, E-Da Hospital, I-Shou University, Kaohsiung City 824, Taiwan
| | - Chi-Wen Luo
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung City 807, Taiwan; Department of Cosmetic Science, Institute of Cosmetic Science, Chia Nan University of Pharmacy and Science, Tainan 717, Taiwan.
| | - Shu-Jyuan Chang
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yu-Hsuan Hung
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Chiao-Ying Lai
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yu-Tzu Yang
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yi-Zi Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Chun-Chieh Wu
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Fang-Ming Chen
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung City 807, Taiwan
| | - Ming-Feng Hou
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung City 807, Taiwan; Department of Biomedical Science and Environmental Biology, College of Life Science, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Mei-Ren Pan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung City 807, Taiwan.
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2
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Burke S. Hypoxia, NSAIDs, and autism: A biocultural analysis of stressors in gametogenesis. Am J Hum Biol 2024; 36:e24042. [PMID: 38282542 DOI: 10.1002/ajhb.24042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 01/07/2024] [Accepted: 01/08/2024] [Indexed: 01/30/2024] Open
Abstract
Cultural and generational trends have increasingly favored "anti-inflammatory" action, innovating a new class of analgesic, non-steroidal anti-inflammatory drugs (NSAIDs) in the 20th century. The modern human body has been molded over evolutionary time and while acknowledging inflammation can be pathologically entwined, it also serves an important role in healthy folliculogenesis and ovulation, shaping cues that drive needed vascular change. This review argues that because of anti-inflammatory action, the cultural invention of NSAIDs represents a particular stressor on female reproductive-age bodies, interacting with natural, underlying variation and placing limits on healthy growth and development in the follicles, creating potential autism risk through hypoxia and mutagenic or epigenetic effects. Since testes are analogs to ovaries, the biological grounding extends naturally to spermatogenesis. This review suggests the introduction of over-the-counter NSAIDs in the 1980s failed to recognize the unique functioning of reproductive-age bodies, challenging the cyclical inflammation needed for healthy gamete development. NSAIDs are framed as one (notable) stressor in an anti-inflammatory era focused on taming the risks of inflammation in modern human life.
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Affiliation(s)
- Stacie Burke
- Department of Anthropology, University of Manitoba, Winnipeg, Manitoba, Canada
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Mangoura SA, Ahmed MA, Hamad N, Zaka AZ, Khalaf KA, Mahdy MA. Vildagliptin ameliorates intrapulmonary vasodilatation and angiogenesis in chronic common bile duct ligation-induced hepatopulmonary syndrome in rat. Clin Res Hepatol Gastroenterol 2024; 48:102408. [PMID: 38925324 DOI: 10.1016/j.clinre.2024.102408] [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: 04/04/2024] [Revised: 06/16/2024] [Accepted: 06/23/2024] [Indexed: 06/28/2024]
Abstract
INTRODUCTION Experimental hepatopulmonary syndrome (HPS) is best reproduced in the rat common bile duct ligation (CBDL) model. Vildagliptin (Vild) is an anti-hyperglycemic drug that exerts beneficial anti-inflammatory, anti-oxidant and anti-fibrotic effects. Therefore, the present search aimed to explore the possible effectiveness of Vild in CBDL-induced HPS model. METHODS Four groups of male Wistar rats which weigh 220-270 g were used, including the normal control group, the sham control group, the CBDL group and CBDL+Vild group. The first three groups received i.p. saline, while the last group was treated with i.p. Vild (10 mg/kg/day) from the 15th to 28th day of the experiment. RESULTS CBDL decreased the survivability and body weight of rats, increased diameter of the pulmonary vessels, and altered the arterial blood gases and the liver function parameters. Additionally, it increased the pulmonary expressions of endothelin-1 (ET-1) and tumor necrosis factor-α (TNF-α) mRNA as well as endothelial nitric oxide synthase (eNOS), inducible nitric oxide synthase (iNOS) and vascular endothelial growth factor-A (VEGF-A) proteins. The CBDL rats also exhibited elevation of the pulmonary interleukin-6 (IL-6), dipeptidyl peptidase-4 (DPP-4) and nitric oxide (NO) levels along with reduction of the pulmonary total anti-oxidant capacity and glucagon-like peptide-1 (GLP-1) levels. Vild mitigated these alterations and improved the histopathological abnormalities caused by CBDL. CONCLUSION Vild effectively attenuated CBDL-induced HPS through its anti-oxidant and anti-inflammatory effects along with its modulatory effects on ET-1/NOS/NO and TNF-α/IL-6/VEGF-A signaling implicated in the regulation of intrapulmonary vasodilatation and angiogenesis, respectively.
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Affiliation(s)
- Safwat A Mangoura
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr, Cairo 11829, Egypt; Department of Medical Pharmacology, Faculty of Medicine, Assiut University, Assiut 71515, Egypt
| | - Marwa A Ahmed
- Department of Medical Pharmacology, Faculty of Medicine, Assiut University, Assiut 71515, Egypt
| | - Nashwa Hamad
- Department of Pathology and Clinical Pathology, Faculty of Veterinary Medicine, Assiut University, Assiut 71515, Egypt
| | - Andrew Z Zaka
- Department of Medical Pharmacology, Faculty of Medicine, Assiut University, Assiut 71515, Egypt.
| | - Khaled A Khalaf
- Department of Tropical Medicine and Gastroenterology, Faculty of Medicine, Assiut University, Assiut 71515, Egypt
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Nikanjam M, Wells K, Kato S, Adashek JJ, Block S, Kurzrock R. Reverse repurposing: Potential utility of cancer drugs in nonmalignant illnesses. MED 2024; 5:689-717. [PMID: 38749442 PMCID: PMC11246816 DOI: 10.1016/j.medj.2024.04.008] [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: 03/01/2024] [Revised: 04/03/2024] [Accepted: 04/18/2024] [Indexed: 06/02/2024]
Abstract
Growth and immune process dysregulation can result in both cancer and nonmalignant disease (hereditary or acquired, with and without predisposition to malignancy). Moreover, perhaps unexpectedly, many nonmalignant illnesses harbor genomic alterations indistinguishable from druggable oncogenic drivers. Therefore, targeted compounds used successfully to treat cancer may have therapeutic potential for nonmalignant conditions harboring the same target. MEK, PI3K/AKT/mTOR, fibroblast growth factor receptor (FGFR), and NRG1/ERBB pathway genes have all been implicated in both cancer and noncancerous conditions, and several cognate antagonists, as well as Bruton's tyrosine kinase inhibitors, JAK inhibitors, and CD20-directed antibodies, have established or theoretical therapeutic potential to bridge cancer and benign diseases. Intriguingly, pharmacologically tractable cancer drivers characterize a wide spectrum of disorders without malignant potential, including but not limited to Alzheimer's disease and a variety of other neurodegenerative conditions, rheumatoid arthritis, achondroplastic dwarfism, and endometriosis. Expanded repositioning of oncology agents in order to benefit benign but serious medical illnesses is warranted.
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Affiliation(s)
- Mina Nikanjam
- Division of Hematology-Oncology, University of California, San Diego, La Jolla, CA, USA.
| | - Kaitlyn Wells
- Department of Pharmacy, University of California, San Diego, La Jolla, CA, USA
| | - Shumei Kato
- Division of Hematology-Oncology, University of California, San Diego, La Jolla, CA, USA
| | - Jacob J Adashek
- Department of Oncology, Johns Hopkins University, Baltimore, MD, USA
| | - Shanna Block
- Department of Pharmacy, University of California, San Diego, La Jolla, CA, USA
| | - Razelle Kurzrock
- Division of Hematology-Oncology, Medical College of Wisconsin Cancer Center, Milwaukee, WI, USA; WIN Consortium, Chevilly-Larue, France.
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Khaksar S, Kiarostami K, Ramdan M. Effect of Rosmarinic Acid on Cell Proliferation, Oxidative Stress, and Apoptosis Pathways in an Animal Model of Induced Glioblastoma Multiforme. Arch Med Res 2024; 55:103005. [PMID: 38759277 DOI: 10.1016/j.arcmed.2024.103005] [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: 12/01/2023] [Revised: 04/13/2024] [Accepted: 04/30/2024] [Indexed: 05/19/2024]
Abstract
BACKGROUND In brain tumors, the complexity of the pathophysiological processes such as oxidative stress, cell proliferation, angiogenesis, and apoptosis have seriously challenged the definitive treatment. Rosmarinic acid (RA), as a polyphenolic compound, has been found to prevent tumor progression in some aggressive cancers. This study was designed to evaluate the anticancer effects of RA on brain tumors. METHOD Rats were divided into six groups. Implantation of C6 glioma cells was carried out in the caudate nucleus of the right hemisphere. RA at doses of 5, 10, and 20 mg/kg (i.p.) was administered to the treatment groups for seven days. Tumor volume (by MRI imaging), locomotor ability, survival time, histological alterations (by H & E staining), expression of p53 and p21 mRNAs (by RT-PCR), activities of antioxidant enzymes (superoxide dismutase [SOD] and catalase [CAT] by assay kits), expression of caspase-3 and VEGF (by immunohistochemical analysis), and TUNEL-positive cells (by tunnel staining) were analyzed. RESULTS The results indicated that the RA at a dose of 20 mg/kg reduced the tumor volume, prolonged survival time, increased p53 and p21 mRNAs, attenuated SOD and CAT activities in tumor tissue, elevated caspase-3, and increased the number of TUNEL-positive cells. Furthermore, histological analysis revealed less invasion of tumor cells into the normal parenchyma in rats treated with RA (20 mg/kg). CONCLUSION These findings provide evidence that the ability of RA to reduce tumor volume could be related to factors that modulate oxidative stress (SOD and CAT enzymes), cell proliferation (p53 and p21), and apoptosis (caspase-3).
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Affiliation(s)
- Sepideh Khaksar
- Department of Plant Sciences, Faculty of Biological Sciences, Alzahra University, Tehran, Iran.
| | - Khadijeh Kiarostami
- Department of Plant Sciences, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
| | - Mahmoud Ramdan
- Department of Biology, Faculty of Science, Al-Furat University, Deir-ez-Zor, Syrian Arab Republic
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6
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Napolitano E, Criscuolo A, Riccardi C, Esposito CL, Catuogno S, Coppola G, Roviello GN, Montesarchio D, Musumeci D. Directing in Vitro Selection towards G-quadruplex-forming Aptamers to Inhibit HMGB1 Pathological Activity. Angew Chem Int Ed Engl 2024; 63:e202319828. [PMID: 38358301 DOI: 10.1002/anie.202319828] [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: 01/12/2024] [Revised: 02/09/2024] [Accepted: 02/14/2024] [Indexed: 02/16/2024]
Abstract
In the search for novel, effective inhibitors of High-Mobility Group Box1 (HMGB1)-a protein involved in various inflammatory and autoimmune diseases as well as in cancer-we herein discovered a set of anti-HMGB1 G-quadruplex(G4)-forming aptamers by using an in vitro selection procedure applied to a doped library of guanine-rich oligonucleotides. The selected DNA sequences were then studied in a pseudo-physiological buffer mimicking the extracellular medium, where HMGB1 exerts its pathological activity, using spectroscopic, electrophoretic, and chromatographic techniques. All the oligonucleotides proved to fold into monomeric G4s and in some cases also dimeric species, stable at physiological temperature. Remarkably, the protein preferentially recognized the sequences forming dimeric parallel G4 structures, as evidenced by a properly designed chemiluminescent binding assay which also highlighted a good selectivity of these aptamers for HMGB1. Moreover, all aptamers showed anti-HMGB1 activity, inhibiting protein-induced cell migration. The acquired data allowed identifying L12 as the best anti-HMGB1 aptamer, featured by high thermal and enzymatic stability, no toxicity at least up to 5 μM concentration on healthy cells, along with potent anti-HMGB1 activity (IC50 ca. 28 nM) and good binding affinity for the protein, thus indicating it as a very promising lead candidate for in vivo studies.
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Affiliation(s)
- Ettore Napolitano
- Department of Chemical Sciences, University of Napoli Federico II, via Cintia 21, 80126, Napoli, Italy
| | - Andrea Criscuolo
- Department of Chemical Sciences, University of Napoli Federico II, via Cintia 21, 80126, Napoli, Italy
| | - Claudia Riccardi
- Department of Chemical Sciences, University of Napoli Federico II, via Cintia 21, 80126, Napoli, Italy
| | - Carla L Esposito
- Institute of Experimental Endocrinology and Oncology "Gaetano Salvatore" (IEOS), National Research Council (CNR), Via Sergio Pansini 5, 80131, Napoli, Italy
| | - Silvia Catuogno
- Institute of Experimental Endocrinology and Oncology "Gaetano Salvatore" (IEOS), National Research Council (CNR), Via Sergio Pansini 5, 80131, Napoli, Italy
| | - Gabriele Coppola
- Institute of Experimental Endocrinology and Oncology "Gaetano Salvatore" (IEOS), National Research Council (CNR), Via Sergio Pansini 5, 80131, Napoli, Italy
| | - Giovanni N Roviello
- Institute of Biostructures and Bioimaging (IBB), National Research Council of Italy (CNR), 80145, Napoli, Italy
| | - Daniela Montesarchio
- Department of Chemical Sciences, University of Napoli Federico II, via Cintia 21, 80126, Napoli, Italy
| | - Domenica Musumeci
- Department of Chemical Sciences, University of Napoli Federico II, via Cintia 21, 80126, Napoli, Italy
- Institute of Biostructures and Bioimaging (IBB), National Research Council of Italy (CNR), 80145, Napoli, Italy
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7
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Eissa I, Yousef RG, Elkaeed EB, Alsfouk AA, Husein DZ, Ibrahim IM, Ismail A, Elkady H, Metwaly AM. New Theobromine Apoptotic Analogue with Anticancer Potential Targeting the EGFR Protein: Computational and In Vitro Studies. ACS OMEGA 2024; 9:15861-15881. [PMID: 38617602 PMCID: PMC11007702 DOI: 10.1021/acsomega.3c08148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 03/06/2024] [Accepted: 03/12/2024] [Indexed: 04/16/2024]
Abstract
AIM The aim of this study was to design and examine a novel epidermal growth factor receptor (EGFR) inhibitor with apoptotic properties by utilizing the essential structural characteristics of existing EGFR inhibitors as a foundation. METHOD The study began with the natural alkaloid theobromine and developed a new semisynthetic derivative (T-1-PMPA). Computational ADMET assessments were conducted first to evaluate its anticipated safety and general drug-likeness. Deep density functional theory (DFT) computations were initially performed to validate the three-dimensional (3D) structure and reactivity of T-1-PMPA. Molecular docking against the EGFR proteins was conducted to investigate T-1-PMPA's binding affinity and inhibitory potential. Additional molecular dynamics (MD) simulations over 200 ns along with MM-GPSA, PLIP, and principal component analysis of trajectories (PCAT) experiments were employed to verify the binding and inhibitory properties of T-1-PMPA. Afterward, T-1-PMPA was semisynthesized to validate the proposed design and in silico findings through several in vitro examinations. RESULTS DFT studies indicated T-1-PMPA's reactivity using electrostatic potential, global reactive indices, and total density of states. Molecular docking, MD simulations, MM-GPSA, PLIP, and ED suggested the binding and inhibitory properties of T-1-PMPA against the EGFR protein. The in silico ADMET predicted T-1-PMPA's safety and general drug-likeness. In vitro experiments demonstrated that T-1-PMPA effectively inhibited EGFRWT and EGFR790m, with IC50 values of 86 and 561 nM, respectively, compared to Erlotinib (31 and 456 nM). T-1-PMPA also showed significant suppression of the proliferation of HepG2 and MCF7 malignant cell lines, with IC50 values of 3.51 and 4.13 μM, respectively. The selectivity indices against the two cancer cell lines indicated the overall safety of T-1-PMPA. Flow cytometry confirmed the apoptotic effects of T-1-PMPA by increasing the total percentage of apoptosis to 42% compared to 31, and 3% in Erlotinib-treated and control cells, respectively. The qRT-PCR analysis further supported the apoptotic effects by revealing significant increases in the levels of Casp3 and Casp9. Additionally, T-1-PMPA controlled the levels of TNFα and IL2 by 74 and 50%, comparing Erlotinib's values (84 and 74%), respectively. CONCLUSION In conclusion, our study's findings suggest the potential of T-1-PMPA as a promising apoptotic anticancer lead compound targeting the EGFR.
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Affiliation(s)
- Ibrahim
H. Eissa
- Pharmaceutical
Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy
(Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Reda G. Yousef
- Pharmaceutical
Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy
(Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Eslam B. Elkaeed
- Department
of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Riyadh 13713, Saudi Arabia
| | - Aisha A. Alsfouk
- Department
of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Dalal Z. Husein
- Chemistry
Department, Faculty of Science, New Valley
University, El-Kharja 72511, Egypt
| | - Ibrahim M. Ibrahim
- Biophysics
Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Ahmed Ismail
- Biochemistry
and Molecular Biology Department, Faculty of Pharmacy, Al-Azhar University, Cairo 11884, Egypt
| | - Hazem Elkady
- Pharmaceutical
Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy
(Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Ahmed M. Metwaly
- Pharmacognosy
and Medicinal Plants Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
- Biopharmaceutical
Products Research Department, Genetic Engineering and Biotechnology
Research Institute, City of Scientific Research
and Technological Applications (SRTA-City), Alexandria 21934, Egypt
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Liang Y, Zhang H, Li J, Wang X, Xie J, Li Y, Li J, Qian Y, Zhang H, Wang T, Tang H, Chen X. GLUT1 regulates the release of VEGF-A in the alveolar epithelium of lipopolysaccharide-induced acute lung injury. Cell Biol Int 2024; 48:510-520. [PMID: 38225684 DOI: 10.1002/cbin.12127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 11/20/2023] [Accepted: 01/01/2024] [Indexed: 01/17/2024]
Abstract
Acute lung injury (ALI) is a severe disease with high mortality and poor prognosis, characterized by excessive and uncontrolled inflammatory response. Vascular endothelial growth factor A (VEGF-A) contributes to the development and progression of ALI. The aim of this study was to evaluate the role of glucose transporter 1 (GLUT1) in alveolar epithelial VEGF-A production in lipopolysaccharide (LPS)-induced ALI. An ALI mouse model was induced by LPS oropharyngeal instillation. Mice were challenged with LPS and then treated with WZB117, a specific antagonist of GLUT1. For the vitro experiments, cultured A549 cells (airway epithelial cell line) were exposed to LPS, with or without the GLUT1 inhibitors WZB117 or BAY876. LPS significantly upregulated of GLUT1 and VEGF-A both in the lung from ALI mice and in cultured A549. In vivo, treatment with WZB117 not only markedly decreased LPS-induced pulmonary edema, injury, neutrophilia, as well as levels of interleukin (IL)-1β, IL-6 and tumor necrosis factor-α in bronchoalveolar lavage fluid (BALF), but also reduced VEGF-A production. Yet, the maximum tolerated concentration of WZB117 failed to suppress LPS-induced VEGF-A overexpression in vitro. While administration of BAY876 inhibited gene and protein expression as well as secretion of VEGF-A in response to LPS in A549. These results illustrated that GLUT1 upregulates VEGF-A production in alveolar epithelia from LPS-induced ALI, and inhibition of GLUT1 alleviates ALI.
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Affiliation(s)
- Yan Liang
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Hailing Zhang
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jiahui Li
- Department of Pulmonary and Critical Care Medicine, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong, China
| | - Xilong Wang
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jianpeng Xie
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yijian Li
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jiehong Li
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yunyao Qian
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Haiyun Zhang
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Tao Wang
- State key Laboratory of Respiratory Diseases, Guangzhou Key Laboratory of Vascular Diseases, Guangzhou Institute of Respiratory Health, The Frist Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Haixiong Tang
- Department of Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Xin Chen
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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Tomkins-Netzer O, Niederer R, Greenwood J, Fabian ID, Serlin Y, Friedman A, Lightman S. Mechanisms of blood-retinal barrier disruption related to intraocular inflammation and malignancy. Prog Retin Eye Res 2024; 99:101245. [PMID: 38242492 DOI: 10.1016/j.preteyeres.2024.101245] [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: 09/29/2023] [Revised: 01/16/2024] [Accepted: 01/16/2024] [Indexed: 01/21/2024]
Abstract
Blood-retinal barrier (BRB) disruption is a common accompaniment of intermediate, posterior and panuveitis causing leakage into the retina and macular oedema resulting in vision loss. It is much less common in anterior uveitis or in patients with intraocular lymphoma who may have marked signs of intraocular inflammation. New drugs used for chemotherapy (cytarabine, immune checkpoint inhibitors, BRAF inhibitors, EGFR inhibitors, bispecific anti-EGFR inhibitors, MET receptor inhibitors and Bruton tyrosine kinase inhibitors) can also cause different types of uveitis and BRB disruption. As malignant disease itself can cause uveitis, particularly from breast, lung and gastrointestinal tract cancers, it can be clinically difficult to sort out the cause of BRB disruption. Immunosuppression due to malignant disease and/or chemotherapy can lead to infection which can also cause BRB disruption and intraocular infection. In this paper we address the pathophysiology of BRB disruption related to intraocular inflammation and malignancy, methods for estimating the extent and effect of the disruption and examine why some types of intraocular inflammation and malignancy cause BRB disruption and others do not. Understanding this may help sort and manage these patients, as well as devise future therapeutic approaches.
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Affiliation(s)
- Oren Tomkins-Netzer
- Department of Ophthalmology, Lady Davis Carmel Medical Centre, Haifa, Israel; Ruth and Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
| | - Rachael Niederer
- Department of Ophthalmology, Te Whatu Ora, Auckland, New Zealand; Department of Ophthalmology, University of Auckland, Auckland, New Zealand
| | - John Greenwood
- Institute of Ophthalmology, University College London, London, UK
| | - Ido Didi Fabian
- The Goldschleger Eye Institute, Sheba Medical Centre, Tel Hashomer, Tel Aviv University, Tel Aviv, Israel
| | - Yonatan Serlin
- Department of Medical Neuroscience and the Brain Repair Centre, Dalhousie University, Faculty of Medicine, Halifax, NS, Canada
| | - Alon Friedman
- Department of Medical Neuroscience and the Brain Repair Centre, Dalhousie University, Faculty of Medicine, Halifax, NS, Canada; Departments of Physiology and Cell Biology, Brain and Cognitive Sciences, Zlotowski Centre for Neuroscience, Ben- Gurion University of the Negev, Beer-Sheva, Israel
| | - Sue Lightman
- Institute of Ophthalmology, University College London, London, UK
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Ahmed SF, El-Maghraby EMF, Rashad MM, Bashir DW. Iron overload induced submandibular glands toxicity in gamma irradiated rats with possible mitigation by hesperidin and rutin. BMC Pharmacol Toxicol 2024; 25:22. [PMID: 38414079 PMCID: PMC10900593 DOI: 10.1186/s40360-024-00744-8] [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: 12/03/2023] [Accepted: 02/19/2024] [Indexed: 02/29/2024] Open
Abstract
BACKGROUND Radiation triggers salivary gland damage and excess iron accumulates in tissues induces cell injury. Flavonoids are found in some fruits and are utilized as potent antioxidants and radioprotective agents. This study aimed to evaluate the antioxidant and anti-inflammatory effects of hesperidin and rutin on gamma radiation and iron overload induced submandibular gland (SMG) damage and to evaluate their possible impact on mitigating the alteration in mTOR signaling pathway and angiogenesis. METHODS Forty-eight adult male Wistar albino rats were randomly assigned to six groups: group C received a standard diet and distilled water; group H received hesperidin at a dose of 100 mg/kg; four times a week for four weeks; group U received rutin at a dose of 50 mg/kg; three times a week for three weeks; group RF received a single dose (5 Gy) of gamma radiation followed by iron at a dose of 100 mg/kg; five times a week for four weeks; group RFH received radiation and iron as group RF and hesperidin as group H; group RFU received radiation and iron as group RF and rutin as group U. SMG specimens from all groups were removed at the end of the experiment; and some were used for biochemical analysis, while others were fixed for histological and immunohistochemical examination. RESULTS In the RF group, several genes related to antioxidants (Nrf-2 and SOD) and DNA damage (BRCA1) were significantly downregulated, while several genes related to inflammation and angiogenesis (TNFα, IL-1β and VEGF) and the mTOR signaling pathway (PIK3ca, AKT and mTOR) were significantly upregulated. Acinar cytoplasmic vacuolation, nuclear pyknosis, and interacinar hemorrhage with distinct interacinar spaces were observed as histopathological changes in SMGs. The duct system suffered significant damage, eventually degenerating entirely as the cells were shed into the lumina. VEGF and NF-κB were also significantly overexpressed. Hesperidin and rutin cotreatment generated partial recovery as indicated by significant upregulation of Nrf-2, SOD and BRCA1 and considerable downregulation of TNF-α, IL-1β, VEGF, PIK3ca, AKT, and mTOR. Although some acini and ducts continued to deteriorate, most of them had a normal appearance. There was a notable decrease in the expression of VEGF and NF-κB. CONCLUSIONS In γ-irradiated rats with iron overload, the administration of hesperidin and rutin may mitigate salivary gland damage.
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Affiliation(s)
- Salwa Farid Ahmed
- Health Radiation Research Department, National Centre for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt.
| | - Eman M F El-Maghraby
- Health Radiation Research Department, National Centre for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt
| | - Maha M Rashad
- Biochemistry and Molecular Biology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Dina W Bashir
- Cytology and Histology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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11
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Saghir SA, Ansari RA. HLA gene variations and mycotoxin toxicity: Four case reports. Mycotoxin Res 2024; 40:159-173. [PMID: 38198040 DOI: 10.1007/s12550-023-00517-y] [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: 08/03/2023] [Revised: 12/18/2023] [Accepted: 12/22/2023] [Indexed: 01/11/2024]
Abstract
Mycotoxins are produced by certain molds that can cause many health effects. We present four human cases of prolonged consistent mycotoxins exposure linked to genetic variations in human leukocyte antigen (HLA) alleles. The HLA-DR/DQ isotype alleles are linked to mycotoxins susceptibility due to the lack of proper immune response; individuals with these alleles are poor eliminators of mycotoxins from their system. Four subjects with variations in their HLA-DR alleles were exposed to mycotoxins from living in mold-infested houses and experienced persistent mold-related symptoms long after moving out from the mold-infested houses and only exposed to the levels of molds found in the ambient air. From one of the subjects, two urine samples were collected ~ 18 months apart after the cessation of exposure. Urinary elimination rate was extremely slow for two of the mycotoxins (ochratoxin A [OTA] and mycophenolic acid [MPA]) detected in both samples. In 18 months, decline in OTA level was only ~ 3-fold (estimated t½ of ~ 311 days) and decline in MPA level was ~ 11-fold (estimated t½ of ~ 160 days), which was ~ 10- and ~ 213-fold slower than expected in individuals without HLA-DR alleles, respectively. We estimated that ~ 4.3 and ~ 2.2 years will be required for OTA and MPA to reach < LLQ in urine, respectively. Three other subjects with variations in HLA-DR alleles were members of a family who lived in a mold-infested house for 4 years. They kept experiencing mold-related issues >2 years after moving to a non-mold-infested house. Consistent exposure was confirmed by the presence of several mycotoxins in urine >2 years after the secession of higher than background (from outdoor ambient air) exposure. This was consistent with the extremely slow elimination of mycotoxins from their system. Variations in HLA-DR alleles can, consequently, make even short periods of exposure to chronic exposure scenarios with related adverse health effects. It is, therefore, important to determine genetic predisposition as a reason for prolonged/lingering mold-related symptoms long after the cessation of higher than background exposure. Increased human exposure to mycotoxins is expected from increased mold infestation that is anticipated due to rising CO2, temperature, and humidity from the climate change with possibly increased adverse health effects, especially in individuals with genetic susceptibility to mold toxicity.
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Affiliation(s)
- Shakil Ahmed Saghir
- ToxInternational Inc, Hilliard, OH, USA.
- Mold Law Group, Atlanta, GA, USA.
- Department of Biological & Biomedical Sciences, Aga Khan Univ, Karachi, Pakistan.
- Institute of Environmental Science and Meteorology, College of Science, University of the Philippines-Diliman, Quezon City, Philippines.
| | - Rais Ahmed Ansari
- Department of Pharmaceutical Sciences, Barry and Judy Silverman College of Pharmacy, Health Professions Division, Nova Southeastern University, Fort Lauderdale, FL, USA
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12
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Yadav JP, Singh AK, Grishina M, Pathak P, Verma A, Kumar V, Kumar P, Patel DK. Insights into the mechanisms of diabetic wounds: pathophysiology, molecular targets, and treatment strategies through conventional and alternative therapies. Inflammopharmacology 2024; 32:149-228. [PMID: 38212535 DOI: 10.1007/s10787-023-01407-6] [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: 09/14/2023] [Accepted: 11/27/2023] [Indexed: 01/13/2024]
Abstract
Diabetes mellitus is a prevalent cause of mortality worldwide and can lead to several secondary issues, including DWs, which are caused by hyperglycemia, diabetic neuropathy, anemia, and ischemia. Roughly 15% of diabetic patient's experience complications related to DWs, with 25% at risk of lower limb amputations. A conventional management protocol is currently used for treating diabetic foot syndrome, which involves therapy using various substances, such as bFGF, pDGF, VEGF, EGF, IGF-I, TGF-β, skin substitutes, cytokine stimulators, cytokine inhibitors, MMPs inhibitors, gene and stem cell therapies, ECM, and angiogenesis stimulators. The protocol also includes wound cleaning, laser therapy, antibiotics, skin substitutes, HOTC therapy, and removing dead tissue. It has been observed that treatment with numerous plants and their active constituents, including Globularia Arabica, Rhus coriaria L., Neolamarckia cadamba, Olea europaea, Salvia kronenburgii, Moringa oleifera, Syzygium aromaticum, Combretum molle, and Myrtus communis, has been found to promote wound healing, reduce inflammation, stimulate angiogenesis, and cytokines production, increase growth factors production, promote keratinocyte production, and encourage fibroblast proliferation. These therapies may also reduce the need for amputations. However, there is still limited information on how to prevent and manage DWs, and further research is needed to fully understand the role of alternative treatments in managing complications of DWs. The conventional management protocol for treating diabetic foot syndrome can be expensive and may cause adverse side effects. Alternative therapies, such as medicinal plants and green synthesis of nano-formulations, may provide efficient and affordable treatments for DWs.
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Affiliation(s)
- Jagat Pal Yadav
- Department of Pharmaceutical Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, 211007, India.
- Pharmacology Research Laboratory, Faculty of Pharmaceutical Sciences, Rama University, Kanpur, 209217, India.
- Bioorganic and Medicinal Chemistry Research Laboratory, Department of Pharmaceutical Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, 211007, India.
| | - Ankit Kumar Singh
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, 151401, India
| | - Maria Grishina
- Laboratory of Computational Modeling of Drugs, Higher Medical and Biological School, South Ural State University, Chelyabinsk, 454008, Russia
| | - Prateek Pathak
- Department of Pharmaceutical Analysis, Quality Assurance, and Pharmaceutical Chemistry, School of Pharmacy, GITAM (Deemed to Be University), Hyderabad, 502329, India
| | - Amita Verma
- Bioorganic and Medicinal Chemistry Research Laboratory, Department of Pharmaceutical Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, 211007, India
| | - Vikas Kumar
- Natural Product Drug Discovery Laboratory, Department of Pharmaceutical Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, 211007, India
| | - Pradeep Kumar
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, 151401, India
| | - Dinesh Kumar Patel
- Department of Pharmaceutical Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, 211007, India.
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13
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Eissa IH, Yousef RG, Asmaey MA, Elkady H, Husein DZ, Alsfouk AA, Ibrahim IM, Elkady MA, Elkaeed EB, Metwaly AM. Computer-assisted drug discovery (CADD) of an anti-cancer derivative of the theobromine alkaloid inhibiting VEGFR-2. Saudi Pharm J 2023; 31:101852. [PMID: 38028225 PMCID: PMC10663924 DOI: 10.1016/j.jsps.2023.101852] [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: 08/12/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
VEGFR-2 is a significant target in cancer treatment, inhibiting angiogenesis and impeding tumor growth. Utilizing the essential pharmacophoric structural properties, a new semi-synthetic theobromine analogue (T-1-MBHEPA) was designed as VEGFR-2 inhibitor. Firstly, T-1-MBHEPA's stability and reactivity were indicated through several DFT computations. Additionally, molecular docking, MD simulations, MM-GPSA, PLIP, and essential dynamics (ED) experiments suggested T-1-MBHEPA's strong binding capabilities to VEGFR-2. Its computational ADMET profiles were also studied before the semi-synthesis and indicated a good degree of drug-likeness. T-1-MBHEPA was then semi-synthesized to evaluate the design and the in silico findings. It was found that, T-1-MBHEPA inhibited VEGFR-2 with an IC50 value of 0.121 ± 0.051 µM, as compared to sorafenib which had an IC50 value of 0.056 µM. Similarly, T-1-MBHEPA inhibited the proliferation of HepG2 and MCF7 cell lines with IC50 values of 4.61 and 4.85 µg/mL respectively - comparing sorafenib's IC50 values which were 2.24 µg/mL and 3.17 µg/mL respectively. Interestingly, T-1-MBHEPA revealed a noteworthy IC50 value of 80.0 µM against the normal cell lines exhibiting exceptionally high selectivity indexes (SI) of 17.4 and 16. 5 against the examined cell lines, respectively. T-1-MBHEPA increased the percentage of apoptotic MCF7 cells in early and late stages, respectively, from 0.71 % to 7.22 % and from 0.13 % to 2.72 %, while the necrosis percentage was increased to 11.41 %, in comparison to 2.22 % in control cells. Furthermore, T-1-MBHEPA reduced the production of pro-inflammatory cytokines TNF-α and IL-2 in the treated MCF7 cells by 33 % and 58 %, respectively indicating an additional anti-angiogenic mechanism. Also, T-1-MBHEPA decreased significantly the potentialities of MCF7 cells to heal and migrate from 65.9 % to 7.4 %. Finally, T-1-MBHEPA's oral treatment didn't show toxicity on the liver function (ALT and AST) and the kidney function (creatinine and urea) levels of mice.
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Affiliation(s)
- Ibrahim H. Eissa
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Reda G. Yousef
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Mostafa A. Asmaey
- Department of Chemistry, Faculty of Science, Al-Azhar University, Assiut Branch, 71524, Assiut, Egypt
| | - Hazem Elkady
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Dalal Z. Husein
- Chemistry Department, Faculty of Science, New Valley University, El-Kharja 72511, Egypt
| | - Aisha A. Alsfouk
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Ibrahim M. Ibrahim
- Biophysics Department, Faculty of Science, Cairo University, Cairo 12613, Egypt
| | - Mohamed A. Elkady
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, Cairo 11231, Egypt
| | - Eslam B. Elkaeed
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Riyadh 13713, Saudi Arabia
| | - Ahmed M. Metwaly
- Pharmacognosy and Medicinal Plants Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
- Biopharmaceutical Products Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
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14
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Cai F, Chen W, Zhao R, Liu Y. The capacity of exosomes derived from adipose-derived stem cells to enhance wound healing in diabetes. Front Pharmacol 2023; 14:1063458. [PMID: 37808198 PMCID: PMC10551633 DOI: 10.3389/fphar.2023.1063458] [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: 10/07/2022] [Accepted: 09/05/2023] [Indexed: 10/10/2023] Open
Abstract
The slow healing and nonhealing of diabetic wounds have long posed challenges for clinical practitioners. In the presence of elevated glucose levels, the body's regulatory mechanisms undergo alterations that impede normal wound healing processes, including cell proliferation, cytokine release, and growth factor activity. Consequently, the advancement of stem cell technology has sparked growing interest in utilizing stem cells and their derivatives as potential therapeutic agents to enhance diabetic wound healing. This paper aims to provide an academic review of the therapeutic effects of adipose-derived stem cell-EXOs (ADSC-EXOs) in diabetic wound healing. As a cell-free therapy, exosomes (EXOs) possess a multitude of proteins and growth factors that have been shown to be advantageous in promoting wound healing and mitigating the potential risks associated with stem cell therapy. By examining the current knowledge on ADSC-EXOs, this review seeks to offer insights and guidance for the potential application of EXOs in the treatment of diabetic wounds.
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Affiliation(s)
| | | | | | - Yi Liu
- Department of Burns and Plastic Surgery, and Wound Repair Surgery, The Lanzhou University Second Hospital, Lanzhou, Gansu, China
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15
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Elkady H, El-Dardir OA, Elwan A, Taghour MS, Mahdy HA, Dahab MA, Elkaeed EB, Alsfouk BA, Ibrahim IM, Husein DZ, Hafez EE, Darwish AMG, Metwaly AM, Eissa IH. Synthesis, biological evaluation and computer-aided discovery of new thiazolidine-2,4-dione derivatives as potential antitumor VEGFR-2 inhibitors. RSC Adv 2023; 13:27801-27827. [PMID: 37731835 PMCID: PMC10508263 DOI: 10.1039/d3ra05689a] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 09/11/2023] [Indexed: 09/22/2023] Open
Abstract
In this study, novel VEGFR-2-targeting thiazolidine-2,4-dione derivatives with potential anticancer properties were designed and synthesized. The ability of the designed derivatives to inhibit VEGFR-2 and stop the growth of three different cancer cell types (HT-29, A-549, and HCT-116) was examined in vitro. The IC50 value of compound 15, 0.081 μM, demonstrated the best anti-VEGFR-2 potency. Additionally, compound 15 showed remarkable anti-proliferative activities against the tested cancer cell lines, with IC50 values ranging from 13.56 to 17.8 μM. Additional flow cytometric investigations showed that compound 15 increased apoptosis in HT-29 cancer cells (from 3.1% to 31.4%) arresting their growth in the S phase. Furthermore, compound 15's apoptosis induction in the same cell line was confirmed by increasing the levels of BAX (4.8-fold) and decreasing Bcl-2 (2.8-fold). Also, compound 15 noticeably increased caspase-8 and caspase-9 levels by 1.7 and 3.2-fold, respectively. Computational methods were used to perform molecular analysis of the VEGFR-2-15 complex. Molecular dynamics simulations and molecular docking were utilized to analyze the complex's kinetic and structural characteristics. Protein-ligand interaction profiler analysis (PLIP) determined the 3D interactions and binding conformation of the VEGFR-2-15 complex. DFT analyses also provided insights into the 3D geometry, reactivity, and electronic characteristics of compound 15. Computational ADMET and toxicity experiments were conducted to determine the potential of the synthesized compounds for therapeutic development. The study's findings suggest that compound 15 might be an effective anticancer lead compound and could guide future attempts to develop new drugs.
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Affiliation(s)
- Hazem Elkady
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University Cairo 11884 Egypt
| | - Osama A El-Dardir
- Undergraduate Student, Faculty of Pharmacy, Al-Azhar University Cairo 11884 Egypt
| | - Alaa Elwan
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University Cairo 11884 Egypt
| | - Mohammed S Taghour
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University Cairo 11884 Egypt
| | - Hazem A Mahdy
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University Cairo 11884 Egypt
| | - Mohammed A Dahab
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University Cairo 11884 Egypt
| | - Eslam B Elkaeed
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University Riyadh 13713 Saudi Arabia
| | - Bshra A Alsfouk
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University P.O. Box 84428 Riyadh 11671 Saudi Arabia
| | - Ibrahim M Ibrahim
- Biophysics Department, Faculty of Science, Cairo University Giza 12613 Egypt
| | - Dalal Z Husein
- Chemistry Department, Faculty of Science, New Valley University El-Kharja 72511 Egypt
| | - Elsayed E Hafez
- Plant Protection and Biomolecular Diagnosis, ALCRI, City of scientific research and technological applications New Borg El-Arab City Alexandria 21934 Egypt
| | - Amira M G Darwish
- Food Industry Technology Program, Faculty of Industrial and Energy Technology, Borg Al Arab Technological University Alexandria Egypt
- Food Technology Department, Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications (SRTA-City) Alexandria 21934 Egypt
| | - Ahmed M Metwaly
- Pharmacognosy and Medicinal Plants Department, Faculty of Pharmacy (Boys), Al-Azhar University Cairo 11884 Egypt
| | - Ibrahim H Eissa
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University Cairo 11884 Egypt
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16
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Attiq A, Afzal S. Trinity of inflammation, innate immune cells and cross-talk of signalling pathways in tumour microenvironment. Front Pharmacol 2023; 14:1255727. [PMID: 37680708 PMCID: PMC10482416 DOI: 10.3389/fphar.2023.1255727] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 08/08/2023] [Indexed: 09/09/2023] Open
Abstract
Unresolved inflammation is a pathological consequence of persistent inflammatory stimulus and perturbation in regulatory mechanisms. It increases the risk of tumour development and orchestrates all stages of tumorigenesis in selected organs. In certain cancers, inflammatory processes create the appropriate conditions for neoplastic transformation. While in other types, oncogenic changes pave the way for an inflammatory microenvironment that leads to tumour development. Of interest, hallmarks of tumour-promoting and cancer-associated inflammation are striking similar, sharing a complex network of stromal (fibroblasts and vascular cells) and inflammatory immune cells that collectively form the tumour microenvironment (TME). The cross-talks of signalling pathways initially developed to support homeostasis, change their role, and promote atypical proliferation, survival, angiogenesis, and subversion of adaptive immunity in TME. These transcriptional and regulatory pathways invariably contribute to cancer-promoting inflammation in chronic inflammatory disorders and foster "smouldering" inflammation in the microenvironment of various tumour types. Besides identifying common target sites of numerous cancer types, signalling programs and their cross-talks governing immune cells' plasticity and functional diversity can be used to develop new fate-mapping and lineage-tracing mechanisms. Here, we review the vital molecular mechanisms and pathways that establish the connection between inflammation and tumour development, progression, and metastasis. We also discussed the cross-talks between signalling pathways and devised strategies focusing on these interaction mechanisms to harness synthetic lethal drug combinations for targeted cancer therapy.
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Affiliation(s)
- Ali Attiq
- Discipline of Pharmacology, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Penang, Malaysia
| | - Sheryar Afzal
- Department of Biomedical Sciences, Faculty of Veterinary Medicine, King Faisal University, Al Ahsa, Saudi Arabia
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17
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Bouhamida E, Morciano G, Pedriali G, Ramaccini D, Tremoli E, Giorgi C, Pinton P, Patergnani S. The Complex Relationship between Hypoxia Signaling, Mitochondrial Dysfunction and Inflammation in Calcific Aortic Valve Disease: Insights from the Molecular Mechanisms to Therapeutic Approaches. Int J Mol Sci 2023; 24:11105. [PMID: 37446282 DOI: 10.3390/ijms241311105] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/26/2023] [Accepted: 06/29/2023] [Indexed: 07/15/2023] Open
Abstract
Calcific aortic valve stenosis (CAVS) is among the most common causes of cardiovascular mortality in an aging population worldwide. The pathomechanisms of CAVS are such a complex and multifactorial process that researchers are still making progress to understand its physiopathology as well as the complex players involved in CAVS pathogenesis. Currently, there is no successful and effective treatment to prevent or slow down the disease. Surgical and transcatheter valve replacement represents the only option available for treating CAVS. Insufficient oxygen availability (hypoxia) has a critical role in the pathogenesis of almost all CVDs. This process is orchestrated by the hallmark transcription factor, hypoxia-inducible factor 1 alpha subunit (HIF-1α), which plays a pivotal role in regulating various target hypoxic genes and metabolic adaptations. Recent studies have shown a great deal of interest in understanding the contribution of HIF-1α in the pathogenesis of CAVS. However, it is deeply intertwined with other major contributors, including sustained inflammation and mitochondrial impairments, which are attributed primarily to CAVS. The present review aims to cover the latest understanding of the complex interplay effect of hypoxia signaling pathways, mitochondrial dysfunction, and inflammation in CAVS. We propose further hypotheses and interconnections on the complexity of these impacts in a perspective of better understanding the pathophysiology. These interplays will be examined considering recent studies that shall help us better dissect the molecular mechanism to enable the design and development of potential future therapeutic approaches that can prevent or slow down CAVS processes.
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Affiliation(s)
- Esmaa Bouhamida
- Translational Research Center, Maria Cecilia Hospital GVM Care & Research, 48033 Cotignola, Italy
| | - Giampaolo Morciano
- Translational Research Center, Maria Cecilia Hospital GVM Care & Research, 48033 Cotignola, Italy
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - Gaia Pedriali
- Translational Research Center, Maria Cecilia Hospital GVM Care & Research, 48033 Cotignola, Italy
| | - Daniela Ramaccini
- Translational Research Center, Maria Cecilia Hospital GVM Care & Research, 48033 Cotignola, Italy
| | - Elena Tremoli
- Translational Research Center, Maria Cecilia Hospital GVM Care & Research, 48033 Cotignola, Italy
| | - Carlotta Giorgi
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - Paolo Pinton
- Translational Research Center, Maria Cecilia Hospital GVM Care & Research, 48033 Cotignola, Italy
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - Simone Patergnani
- Translational Research Center, Maria Cecilia Hospital GVM Care & Research, 48033 Cotignola, Italy
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy
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18
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Chaudhary PK, Kim S, Kim S. Shedding Light on the Cell Biology of Platelet-Derived Extracellular Vesicles and Their Biomedical Applications. Life (Basel) 2023; 13:1403. [PMID: 37374185 DOI: 10.3390/life13061403] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/01/2023] [Accepted: 06/15/2023] [Indexed: 06/29/2023] Open
Abstract
EVs are membranous subcellular structures originating from various cells, including platelets which consist of biomolecules that can modify the target cell's pathophysiological functions including inflammation, cell communication, coagulation, and metastasis. EVs, which are known to allow the transmission of a wide range of molecules between cells, are gaining popularity in the fields of subcellular treatment, regenerative medicine, and drug delivery. PEVs are the most abundant EVs in circulation, being produced by platelet activation, and are considered to have a significant role in coagulation. PEV cargo is extremely diverse, containing lipids, proteins, nucleic acids, and organelles depending on the condition that induced their release and can regulate a wide range of biological activities. PEVs, unlike platelets, can overcome tissue barriers, allowing platelet-derived contents to be transferred to target cells and organs that platelets cannot reach. Their isolation, characterization, and therapeutic efficacy, on the other hand, are poorly understood. This review summarizes the technical elements of PEV isolation and characterization methods as well as the pathophysiological role of PEVs, including therapeutic potential and translational possibility in diverse disciplines.
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Affiliation(s)
- Preeti Kumari Chaudhary
- Laboratory of Veterinary Pathology and Platelet Signaling, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Sanggu Kim
- Laboratory of Veterinary Pathology and Platelet Signaling, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Soochong Kim
- Laboratory of Veterinary Pathology and Platelet Signaling, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Republic of Korea
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Karaçelik T, Kaya B, Korkmaz M, Karaağaç M, Araz M, Eryılmaz MK, Bozcuk HŞ, Artaç M. Prognostic Significance of Adipose Tissue Distribution and Metabolic Activity in PET/CT in Patients with Metastatic Colorectal Cancer. J Gastrointest Cancer 2023; 54:456-466. [PMID: 35404000 DOI: 10.1007/s12029-022-00819-x] [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] [Accepted: 03/12/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE In this study, we aimed to evaluate the prognostic significance of adipose tissue distribution and metabolic activity in PET/CT to predict survival in patients with metastatic colorectal cancer (mCRC). METHODS The volume, density (HU), and FDG uptake (standardized uptake value (SUV)) of visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT) and maximum FDG uptake of the tumor tissue were measured. Subcutaneous adipose tissue of volume-to-density ratio (SAT ratio) was calculated. RESULTS The median OS for the patients with SAT ratio value < -1.1 and ≥ -1.1 were 38.5 (95% CI 31.54-45.58) and 24.5 (95% CI 14.13-34.93) months, respectively (p = 0.05). During follow-up, 69 patients experienced disease progression. The median progression-free survival (PFS) was 11.03 months (95% CI: 9.11-12.95). Median PFS for patients with tumor SUV max value < 11.5 and ≥ 11.5 were 9.2 (95% CI 7.25-11.27) and 12.6 (95% CI 10.02-15.27) months, respectively (p = 0.14). Forty-eight patients received bevacizumab therapy. VAT SUV mean (HR: 0.09; 95% CI 0.01-0.52, p = 0.008) was significantly associated with PFS in patients receiving bevacizumab. SAT ratio was the significant parameter for the OS (HR: 0.58; 95% CI 0.33-1.01, p = 0.05) and PFS (HR: 1.99; 95% CI 1.02-3.91, p = 0.043). CONCLUSIONS SAT ratio was an independent prognostic factor for survival in patients with mCRC. Higher SAT volume is correlated with longer survival in mCRC patients.
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Affiliation(s)
- Tuba Karaçelik
- Department of Internal Medicine, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Buğra Kaya
- Department of Nuclear Medicine, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Mustafa Korkmaz
- Department of Medical Oncology, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey.
| | - Mustafa Karaağaç
- Department of Medical Oncology, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Murat Araz
- Department of Medical Oncology, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Melek Karakurt Eryılmaz
- Department of Medical Oncology, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Hakan Şat Bozcuk
- Department of Medical Oncology, Medical Park Antalya Hospital, Antalya, Turkey
| | - Mehmet Artaç
- Department of Medical Oncology, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
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20
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Ren X, Fan Y, Shi D, Liu Y. Expression and significance of IL-6 and IL-8 in canine mammary gland tumors. Sci Rep 2023; 13:1302. [PMID: 36693957 PMCID: PMC9873921 DOI: 10.1038/s41598-023-28389-3] [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: 10/27/2021] [Accepted: 01/18/2023] [Indexed: 01/25/2023] Open
Abstract
Mammary gland tumors are the most common malignant diseases which seriously threaten the health of women and female dogs. There is a lack of an effective tumor marker which can effectively assist in the early diagnosis, and prognosis of mammary gland tumors in veterinary clinical medicine. IL-6, and IL-8 as immunosuppressive factors may stimulate tumor cells growth, contribute to loco-regional relapse and metastasis that might be utilized as a marker for immunity status and monitoring of the course of tumor. The present study aimed to investigate the expression of serum/tissue IL-6, IL-8 and IL-10 in canine mammary gland tumors using Enzyme linked immunosorbent assay(ELISA), Western blot and Immunohistochemistry assay(IHC) to determine whether it is associated with tumor progression. The results showed that levels of IL-6, IL-8 and IL-10 in serum were higher in malignant tumor group than that in benign tumor and control group; the expression levels of IL-6 and IL-8 were significantly elevated in grade III than in grade I and II and was related to metastasis. Likewise, IL-6 and IL-8 were also highly expressed in malignant tumor tissues. Elevated expression of IL-6 was associated with histopathological grade and metastases in malignant tumors. Moreover, high expression of IL-6 occurred in the Basal-like subtypes whereas high expression of IL-8 occurred in the Luminal B subtypes. The results of this study indicated that changes of IL-6 and IL-8 in the tumor microenvironments were closely related to the diseases status and may be used as a potential diagnostic or biomarker in canine mammary gland tumors.
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Affiliation(s)
- Xiaoli Ren
- Zhengzhou City Key Laboratory of Animal Nutritional Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450046, China.,Heilongjiang Provincial Key Laboratory of Pathogenic Mechanism for Animal Disease and Comparative Medicine, Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Department of Veterinary Surgery, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Yuying Fan
- Heilongjiang Provincial Key Laboratory of Pathogenic Mechanism for Animal Disease and Comparative Medicine, Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Department of Veterinary Surgery, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Dongmei Shi
- Zhengzhou City Key Laboratory of Animal Nutritional Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450046, China
| | - Yun Liu
- Heilongjiang Provincial Key Laboratory of Pathogenic Mechanism for Animal Disease and Comparative Medicine, Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Department of Veterinary Surgery, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China.
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21
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Mohamed SF, Elnaggar DH, Elsayed MA, Abd-Elghaffar HS, Hosny HM, Mohamed AM, Abbas EMH, Farghaly TA, El-Awady RA. Synthesis, Anticancer Activity, Pharmacokinetics, and Docking Study of Some New Heterocycles Linked Indole Moiety. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2151475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Salwa F. Mohamed
- Applied Organic Chemistry Department, National Research Centre, Dokki, Giza, Egypt
| | - Dina H. Elnaggar
- Applied Organic Chemistry Department, National Research Centre, Dokki, Giza, Egypt
| | - Mohamed A. Elsayed
- Applied Organic Chemistry Department, National Research Centre, Dokki, Giza, Egypt
| | | | - Hana M. Hosny
- Pesticide Chemistry Department, National Research Centre, Dokki, Giza, Egypt
| | - Ashraf M. Mohamed
- Applied Organic Chemistry Department, National Research Centre, Dokki, Giza, Egypt
| | - Eman M. H. Abbas
- Department of Chemistry, Natural and Microbial Products, National Research Center, Dokki, Cairo, Egypt
| | - Thoraya A. Farghaly
- Department of Chemistry, Faculty of Science, Cairo University, Cairo, Giza, Egypt
| | - Raafat A. El-Awady
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
- College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
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22
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Berishvili AI, Kedrova AG, Greyan TA, Zaitseva OV. Obesity and breast cancer. TUMORS OF FEMALE REPRODUCTIVE SYSTEM 2022. [DOI: 10.17650/1994-4098-2022-18-3-40-51] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
The paper presents an analysis of the latest literature data on the problem of obesity and breast cancer (BC). This review presents modern approaches to the diagnosis of BC in obese patients, new molecular methods of breast imaging, analyzes the features of the course of BC with obesity depending on menstrual status, molecular biological subtypes of the tumor, the mechanisms of the development of BC against the background of obesity.
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Affiliation(s)
- A. I. Berishvili
- Department of Obstetrics and Gynecology, Academy of Postgraduate Education, Federal Research and Clinical Center, Federal Biomedical Agency; Department of Oncology, Federal Research and Clinical Center for Specialized Medical Care and Medical Technologies, Federal Biomedical Agency of the Russian Federation
| | - A. G. Kedrova
- Department of Obstetrics and Gynecology, Academy of Postgraduate Education, Federal Research and Clinical Center, Federal Biomedical Agency; Department of Oncology, Federal Research and Clinical Center for Specialized Medical Care and Medical Technologies, Federal Biomedical Agency of the Russian Federation; Institute of Oncology and Neurosurgery, E. N. Meshalkin National Medical Research Center, Ministry of Health of Russia
| | - T. A. Greyan
- Department of Oncology, Federal Research and Clinical Center for Specialized Medical Care and Medical Technologies, Federal Biomedical Agency of the Russian Federation
| | - O. V. Zaitseva
- Department of Oncology, Federal Research and Clinical Center for Specialized Medical Care and Medical Technologies, Federal Biomedical Agency of the Russian Federation
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23
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Jung SM, Baek IW, Park KS, Kim KJ. De novo molecular subtyping of salivary gland tissue in the context of Sjögren's syndrome heterogeneity. Clin Immunol 2022; 245:109171. [DOI: 10.1016/j.clim.2022.109171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 11/08/2022]
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24
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Tobi M, Bradley I, Moole S, Talwar H, McVicker B, Kintanar E, Sochacki P, Ben-Josef E. Start Early and See Inflammatory; Late, Nothing Save RAVE: How to Appreciate Radiation Proctitis as a Continuum. GASTRO HEP ADVANCES 2022; 2:362-369. [PMID: 39132647 PMCID: PMC11308657 DOI: 10.1016/j.gastha.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 11/01/2022] [Indexed: 08/13/2024]
Abstract
Background and Aims It has been recently proposed to change the nomenclature of "chronic radiation proctitis" (CRP) to "radiation-associated vascular ectasia" on the basis that signs of inflammation are rarely observed. We herein present data supporting the idea that inflammation is a critical step that initiates the process that culminates in the characteristic changes of CRP. Methods In support of inflammation in the pathogenesis of CRP, we review the pertinent literature and publish our new results, including the role of amifostine treatment and proinflammatory factors (p38 MAP kinase, VEGF, and CEACAM1). Results Immunohistochemistry from anterior rectal wall biopsies obtained in a prospective pilot study demonstrates that expression of VEGF and the downstream vascular effector CEACAM1 were elevated before radiotherapy and declined with time. We also show that MAP Kinase p38 expression usually precede the radiation. Fibrosis scores increase from baseline at 9 and 18 months, while vascular scores decrease at 18 months. Conclusion The proposed new nomenclature should be held in obeyance until more supportive data are presented. Possibly, the best way to view CRP is as a continuum that may take one of three forms, inflammation-predominant, vasculopathy-predominant, or mixed.
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Affiliation(s)
- Martin Tobi
- Department of R&D, Detroit VAMC, Detroit Michigan
| | | | - Sumana Moole
- Merus Gastroenterology, and Gut Health LLC, Suwansee Georgia
| | | | - Benita McVicker
- Research Service, VA Nebraska-Western Iowa Health Care System, the University of Nebraska Medical Center, Omaha, Nebraska
| | - Esperanza Kintanar
- Department of Pathology, Ascension Michigan Providence Hospital, Rochester Michigan
| | | | - Edgar Ben-Josef
- Department of Radiation Oncology, Hospital of the University of Pennsylvania, Perelman Center for Advanced Medicine, Philadelphia, Pennsylvania
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25
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Chakraborty R, Borah P, Dutta PP, Sen S. Evolving spectrum of diabetic wound: Mechanistic insights and therapeutic targets. World J Diabetes 2022; 13:696-716. [PMID: 36188143 PMCID: PMC9521443 DOI: 10.4239/wjd.v13.i9.696] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 06/12/2022] [Accepted: 08/18/2022] [Indexed: 02/05/2023] Open
Abstract
Diabetes mellitus is a chronic metabolic disorder resulting in an increased blood glucose level and prolonged hyperglycemia, causes long term health conse-quences. Chronic wound is frequently occurring in diabetes patients due to compromised wound healing capability. Management of wounds in diabetic patients remains a clinical challenge despite many advancements in the field of science and technology. Increasing evidence indicates that alteration of the biochemical milieu resulting from alteration in inflammatory cytokines and matrix metalloproteinase, decrease in fibroblast and keratinocyte functioning, neuropathy, altered leukocyte functioning, infection, etc., plays a significant role in impaired wound healing in diabetic people. Apart from the current pharmacotherapy, different other approaches like the use of conventional drugs, antidiabetic medication, antibiotics, debridement, offloading, platelet-rich plasma, growth factor, oxygen therapy, negative pressure wound therapy, low-level laser, extracorporeal shock wave bioengineered substitute can be considered in the management of diabetic wounds. Drugs/therapeutic strategy that induce angiogenesis and collagen synthesis, inhibition of MMPs, reduction of oxidative stress, controlling hyperglycemia, increase growth factors, regulate inflammatory cytokines, cause NO induction, induce fibroblast and keratinocyte proliferation, control microbial infections are considered important in controlling diabetic wound. Further, medicinal plants and/or phytoconstituents also offer a viable alternative in the treatment of diabetic wound. The focus of the present review is to highlight the molecular and cellular mechanisms, and discuss the drug targets and treatment strategies involved in the diabetic wound.
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Affiliation(s)
- Raja Chakraborty
- Institute of Pharmacy, Assam Don Bosco University, Kamrup 782402, Assam, India
| | - Pobitra Borah
- School of Pharmacy, Graphic Era Hill University, Dehradun 248002, Uttarakhand, India
| | - Partha Pratim Dutta
- Faculty of Pharmaceutical Science, Assam down town University, Guwahati 781026, Assam, India
| | - Saikat Sen
- Faculty of Pharmaceutical Science, Assam down town University, Guwahati 781026, Assam, India
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26
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Involvement of inflammatory cytokines and epigenetic modification of the mtTFA complex in T-helper cells of patients' suffering from non-small cell lung cancer and chronic obstructive pulmonary disease. Mol Immunol 2022; 151:70-83. [PMID: 36099831 DOI: 10.1016/j.molimm.2022.08.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/01/2022] [Accepted: 08/14/2022] [Indexed: 11/22/2022]
Abstract
Dysregulated inflammatory response plays a crucial role in the pathogenesis of chronic obstructive pulmonary disease (COPD) and Non-Small cell lung cancer (NSCLC). Hence, the purpose of this research is to uncover the link between alterations in inflammatory cytokine levels and disease progression in CD4+T cells of patients suffering from COPD and lung cancer. We also investigated the epigenetic regulation of mtTFA to delineate the role of oxidative stress-mediated inflammation in Lung cancer and COPD. The RT2 Profiler PCR array was used to examine the differential expression pattern of inflammatory genes in CD4+ T helper (Th) cells from COPD, NSCLC, and control subjects. Candidate inflammatory gene loci were selected and the enrichment of transcriptional factor and histone modifiers was analysed using ChIP-qPCR. In comparison to control subjects, a set of genes (e.g., BMP2, CCL2, IL5, VEGFA, etc.) are over-expressed whereas another set of genes (e.g., AIMP1, IFNG, LTA, LTB, TNF, etc.) are under-expressed in both COPD and NSCLC patients. The increased percent enrichment of inflammation-associated transcription factors including NF-kB, CREB, HIF1, and MYC at the loci of inflammatory genes was revealed by our chromatin immunoprecipitation (ChIP) data. H3K4me3, H3K9me3, H3K14Ac, HDAC1, 2, 3, 6 all showed dysregulated enrichment at the VEGFA gene locus. One of the epigenetic modifications, histone methylation, was found to be abnormal in the mtTFA complex in COPD and NSCLC patients in comparison to controls. Although there is mounting evidence of several links between these disorders, therapeutic options remain inadequate. Our findings contribute to the body of knowledge about therapeutic techniques that use inflammatory cytokines as a prognostic marker and highlight the need for epigenetic therapy for these debilitating lung diseases.
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27
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Liu Z, Zhang C, Hao J, Chen G, Liu L, Xiong Y, Chang Y, Li H, Shimosawa T, Yang F, Xu Q. Eplerenone ameliorates lung fibrosis in unilateral ureteral obstruction rats by inhibiting lymphangiogenesis. Exp Ther Med 2022; 24:623. [PMID: 36160894 PMCID: PMC9468786 DOI: 10.3892/etm.2022.11560] [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: 04/28/2022] [Accepted: 07/18/2022] [Indexed: 12/04/2022] Open
Abstract
Chronic kidney disease (CKD) involves progressive and irreversible loss of renal function, often causing complications and comorbidities and impairing the function of various organs. In particular, lung injury is observed not only in advanced CKD but also in early-stage CKD. The present study investigated the potential involvement of mineralocorticoid receptors (MRs) and lymphatic vessels in lung injury using a 180-day unilateral ureteral obstruction (UUO) model for CKD. Changes in lung associated with lymphangiogenesis and inflammatory were analyzed in UUO rats. The pathology of the lung tissue was observed by hematoxylin and eosin and Masson's staining. Detection of the expression of lymphatic vessel endothelial hyaluronic acid receptor-1 (LYVE-1), Podoplanin, vascular endothelial growth factor receptor-3 (VEGFR-3) and VEGF C to investigate lymphangiogenesis. The mRNA and protein expression levels of IL-1β, monocyte chemotactic protein 1, tumor necrosis factor-α, nuclear factor κB, phosphorylated serum and glucocorticoid-induced protein kinase-1 and MR were evaluated using western blot, reverse transcription-quantitative PCR, immunohistochemical staining and immunofluorescence staining. In the present study, long-term UUO caused kidney damage, which also led to lung inflammation, accompanied by lymphangiogenesis. However, treatment with eplerenone, an MR blocker, significantly reduced the severity of lung injury and lymphangiogenesis. Therefore, lymphangiogenesis contributed to lung fibrosis in UUO rats due to activation of MRs. In addition, transdifferentiation of lymphatic epithelial cells into myofibroblasts may also be involved in lung fibrosis. Collectively, these findings provided a potential mechanism for lung fibrosis in CKD and suggested that the use of eplerenone decreased kidney damage and lung fibrosis.
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Affiliation(s)
- Ziqian Liu
- Hebei Key Laboratory of Integrative Medicine on Liver‑Kidney Patterns, Institute of Integrative Medicine, Shijiazhuang, Hebei 050091, P.R. China
| | - Cuijuan Zhang
- Hebei Key Laboratory of Integrative Medicine on Liver‑Kidney Patterns, Institute of Integrative Medicine, Shijiazhuang, Hebei 050091, P.R. China
| | - Juan Hao
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050091, P.R. China
| | - Gege Chen
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050091, P.R. China
| | - Lingjin Liu
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050091, P.R. China
| | - Yunzhao Xiong
- Hebei Key Laboratory of Integrative Medicine on Liver‑Kidney Patterns, Institute of Integrative Medicine, Shijiazhuang, Hebei 050091, P.R. China
| | - Yi Chang
- Hebei Key Laboratory of Integrative Medicine on Liver‑Kidney Patterns, Institute of Integrative Medicine, Shijiazhuang, Hebei 050091, P.R. China
| | - Hui Li
- Hebei Key Laboratory of Integrative Medicine on Liver‑Kidney Patterns, Institute of Integrative Medicine, Shijiazhuang, Hebei 050091, P.R. China
| | - Tatsuo Shimosawa
- Department of Clinical Laboratory, School of Medicine, International University of Health and Welfare, Narita, Chiba 108‑8329, Japan
| | - Fan Yang
- Hebei Key Laboratory of Integrative Medicine on Liver‑Kidney Patterns, Institute of Integrative Medicine, Shijiazhuang, Hebei 050091, P.R. China
| | - Qingyou Xu
- Hebei Key Laboratory of Integrative Medicine on Liver‑Kidney Patterns, Institute of Integrative Medicine, Shijiazhuang, Hebei 050091, P.R. China
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28
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Mutahar AZI, Devaramani M, Dayal R, Saini DK, Salimath PV, Salimath BP. Vascular Endothelial Growth Factor Receptor, fms-Like Tyrosine Kinase-1 (Flt-1), as a Novel Binding Partner for SARS-CoV-2 Spike Receptor-Binding Domain. Front Immunol 2022; 13:906063. [PMID: 35874709 PMCID: PMC9304886 DOI: 10.3389/fimmu.2022.906063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/09/2022] [Indexed: 12/25/2022] Open
Abstract
Angiotensin-converting enzyme 2 (ACE2) and neuropilin 1, a vascular endothelial growth factor (VEGF) receptor, were identified to bind to the SARS-CoV-2 spike receptor-binding domain (spike RBD). In silico analysis based on 3D structure, multiple sequence alignment, and molecular docking of second domain of soluble Flt-1 (sFlt-1) and spike RBD revealed structural similarities, sequence homology, and protein-protein interaction. Interaction and binding of recombinant spike RBD (rspike RBD) and recombinant sFlt-1 (rsFlt-1) in vitro induced a conformational change, as revealed by spectrofluorimetric data, with increased fluorescence intensity in emission spectra as compared to either of the proteins alone. Results on ELISA confirmed the binding and cross-reactivity of rspike-RBD and rsFlt-1 as determined by using either specific antibodies towards each protein or immunized human serum. We found that polyclonal or monoclonal anti-spike RBD antibodies can recognize either rsFlt-1 or rspike RBD, showing cross-reactivity for the two proteins in a dose-dependent binding response. Recognition of bound rspike RBD or rsFlt-1 by anti-Flt-1 or anti-spike RBD antibodies, respectively, as observed by immunoblotting, further confirmed interaction between the two proteins. Immunoprecipitation and immunoblot analysis demonstrated the identification of rspike RBD binding to the Flt-1 receptor on A549 cells. Further, the binding of rspike RBD to Flt-1 receptor was shown using immunofluorescence on 2D-culture or 3D-spheroid of MDA-MB-231 cells, which over-express Flt-1 receptor. Together, our study concludes that the Flt-1 receptor is a novel binding partner for SARS-CoV-2 spike RBD.
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Affiliation(s)
- Adel Zaid I. Mutahar
- Department of Studies in Biotechnology, University of Mysore, Mysore, India
- Medical Laboratories Department, Abs Community College, Hajah, Yemen
| | | | - Renu Dayal
- Department of Biotechnology, Sanorva Biotech Pvt. Ltd., Mysore, India
| | | | | | - Bharathi P. Salimath
- Department of Studies in Biotechnology, University of Mysore, Mysore, India
- Department of Biotechnology, Sanorva Biotech Pvt. Ltd., Mysore, India
- *Correspondence: Bharathi P. Salimath,
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Relevance of NLRP3 Inflammasome-Related Pathways in the Pathology of Diabetic Wound Healing and Possible Therapeutic Targets. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:9687925. [PMID: 35814271 PMCID: PMC9262551 DOI: 10.1155/2022/9687925] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/30/2022] [Accepted: 06/01/2022] [Indexed: 11/30/2022]
Abstract
Wound healing is a major secondary complication in type 2 diabetes, which results in significant disability and mortality, imposing a significant clinical and social burden. Sustained activation of the Nod-like receptor protein (NLRP) inflammasome in wounds is responsible for excessive inflammatory responses and aggravates wound damage. The activation of the NLRP3 inflammasome is regulated by a two-step process: the priming/licensing (signal 1) step involved in transcription and posttranslation and the protein complex assembly (signal 2) step triggered by danger molecules. This review focuses on the advances made in understanding the pathophysiological mechanisms underlying wound healing in the diabetic microenvironment. Simultaneously, this review summarizes the molecular mechanisms of the main regulatory pathways associated with signal 1 and signal 2, which trigger the NLRP3 inflammasome complex assembly in the development of diabetic wounds (DW). Activation of the NLRP3 inflammasome-related pathway, involving the disturbance in Nrf2 and the NF-κB/NLRP3 inflammasome, TLR receptor-mediated activation of the NF-κB/NLRP3 inflammasome, and various stimuli inducing NLRP3 inflammasome assembly play a pivotal role in DW healing. Furthermore, therapeutics targeting the NLRP3 inflammasome-related pathways may promote angiogenesis, reprogram immune cells, and improve DW healing.
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30
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Zouboulis CC, Theodoridis A, Makrantonaki E. Inflammation and thrombo-occlusive vessel signalling in benign atrophic papulosis (Köhlmeier-Degos disease). J Eur Acad Dermatol Venereol 2022; 36:2195-2198. [PMID: 35748122 DOI: 10.1111/jdv.18362] [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: 03/18/2022] [Accepted: 06/03/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Although the merely cutaneous, benign form of the extremely rare disease atrophic papulosis (Köhlmeier-Degos disease) may occasionally develop into the systemic, malignant form with time, it is unclear whether it itself exhibits any systemic characteristics. OBJECTIVE To determine whether benign atrophic papulosis exhibits inflammatory and thrombo-occlusive signals and to classify it according to the Chapel-Hill classification of vasculitis. METHODS In a monocentric, controlled study, levels of cytokines (IL-1β, IL-6, IL-8, IFNγ, MCP-1, VEGF, TNFα, TGF-β1), antiphospholipid antibodies (cardiolipin IgG/A/M, cardiolipin IgG, cardiolipin IgM, β2-glycoprotein IgG/A/M, phosphatidyl choline, phosphatidyl serine, phosphatidyl inositol, phosphatidyl ethanolamine and sphingomyelin A), antibodies against proteinase-3 IgG and myeloperoxidase IgG, antinuclear antibodies and extractable nuclear antigen were assessed in blood samples of six benign atrophic papulosis patients and six age- and sex-matched healthy controls. RESULTS IL-8 was only detectable in patients' serum. VEGF was reduced and cardiolipin IgG/A/M and β2-glycoprotein antibodies were increased in the patients' group. ANA were only detected in three patients, ENA were throughout negative. No differences were detected between the other investigated markers. CONCLUSIONS This is the first study evaluating systemic inflammatory and thrombo-occlusive vessel signalling in benign atrophic papulosis and provide evidence of a non-antineutrophil cytoplasmatic antibodies immune-complex small vessel vasculitis according to the Chapel-Hill classification. These findings corroborate its systemic character despite the apparent missing involvement of systemic organs.
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Affiliation(s)
- C C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Brandenburg, Dessau, Germany
| | - A Theodoridis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Brandenburg, Dessau, Germany
| | - E Makrantonaki
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Brandenburg, Dessau, Germany
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31
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Sharifi S, Saei AA, Gharibi H, Mahmoud NN, Harkins S, Dararatana N, Lisabeth EM, Serpooshan V, Végvári Á, Moore A, Mahmoudi M. Mass Spectrometry, Structural Analysis, and Anti-Inflammatory Properties of Photo-Cross-Linked Human Albumin Hydrogels. ACS APPLIED BIO MATERIALS 2022; 5:2643-2663. [PMID: 35544705 DOI: 10.1021/acsabm.2c00109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Albumin-based hydrogels offer unique benefits such as biodegradability and high binding affinity to various biomolecules, which make them suitable candidates for biomedical applications. Here, we report a non-immunogenic photocurable human serum-based (HSA) hydrogel synthesized by methacryloylation of human serum albumin by methacrylic anhydride (MAA). We used matrix-assisted laser desorption ionization-time-of-flight mass spectrometry, liquid chromatography-tandem mass spectrometry, as well as size exclusion chromatography to evaluate the extent of modification, hydrolytic and enzymatic degradation of methacrylated albumin macromer and its cross-linked hydrogels. The impacts of methacryloylation and cross-linking on alteration of inflammatory response and toxicity were evaluated in vitro using brain-derived HMC3 macrophages and Ex-Ovo chick chorioallantoic membrane assay. Results revealed that the lysines in HSA were the primary targets reacting with MAA, though modification of cysteine, threonine, serine, and tyrosine, with MAA was also confirmed. Both methacrylated HSA and its derived hydrogels were nontoxic and did not induce inflammatory pathways, while significantly reducing macrophage adhesion to the hydrogels; one of the key steps in the process of foreign body reaction to biomaterials. Cytokine and growth factor analysis showed that albumin-based hydrogels demonstrated anti-inflammatory response modulating cellular events in HMC3 macrophages. Ex-Ovo results also confirmed the biocompatibility of HSA macromer and hydrogels along with slight angiogenesis-modulating effects. Photocurable albumin hydrogels may be used as a non-immunogenic platform for various biomedical applications including passivation coatings.
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Affiliation(s)
- Shahriar Sharifi
- Department of Radiology and Precision Health Program, Michigan State University, East Lansing, Michigan 48824, United States
| | - Amir Ata Saei
- Division of Physiological Chemistry I, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-17 177 Stockholm, Sweden.,Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Hassan Gharibi
- Division of Physiological Chemistry I, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-17 177 Stockholm, Sweden
| | - Nouf N Mahmoud
- Department of Radiology and Precision Health Program, Michigan State University, East Lansing, Michigan 48824, United States.,Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan.,Department of Biomedical Sciences, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar
| | - Shannon Harkins
- Department of Radiology and Precision Health Program, Michigan State University, East Lansing, Michigan 48824, United States
| | - Naruphorn Dararatana
- Department of Radiology and Precision Health Program, Michigan State University, East Lansing, Michigan 48824, United States
| | - Erika M Lisabeth
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, Michigan 48824, United States
| | - Vahid Serpooshan
- Department of Biomedical Engineering, Emory University School of Medicine and Georgia Institute of Technology, Atlanta, Georgia 30322, United States.,Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia 30322, United States.,Children's Healthcare of Atlanta, Atlanta, Georgia 30322, United States
| | - Ákos Végvári
- Division of Physiological Chemistry I, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-17 177 Stockholm, Sweden.,Proteomics Biomedicum, Division of Physiological Chemistry I, Department of Medical Biochemistry, Karolinska Institutet, SE-17 177 Stockholm, Sweden
| | - Anna Moore
- Department of Radiology and Precision Health Program, Michigan State University, East Lansing, Michigan 48824, United States
| | - Morteza Mahmoudi
- Department of Radiology and Precision Health Program, Michigan State University, East Lansing, Michigan 48824, United States
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Kuroda K, Toyokawa T, Miki Y, Yoshii M, Tamura T, Tanaka H, Lee S, Muguruma K, Yashiro M, Ohira M. Prognostic impact of postoperative systemic inflammatory response in patients with stage II/III gastric cancer. Sci Rep 2022; 12:3025. [PMID: 35194147 PMCID: PMC8863782 DOI: 10.1038/s41598-022-07098-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Accepted: 02/03/2022] [Indexed: 12/27/2022] Open
Abstract
This study examined whether the systemic inflammatory response present in the early phase of the postoperative state correlates with long-term outcomes and to identify markers in patients with stage II/III gastric cancer. 444 consecutive patients who underwent radical gastrectomy for stage II/III gastric cancer were retrospectively reviewed. We evaluated maximum serum C-reactive protein (CRPmax) and white blood cell count (WBCmax), defined as the maximum serum CRP level and maximum WBC count during the interval from surgery until discharge, as systemic inflammation markers. In univariate analyses, CRPmax, WBCmax and infectious complications were significantly associated with both overall survival (OS) (p < 0.001, p < 0.001 and p = 0.011, respectively) and relapse-free survival (RFS) (p < 0.001, p = 0.001 and p < 0.001, respectively). Multivariate analysis revealed that high-CRPmax (> 9.2 mg/dL) was an independent prognostic factor for OS (hazard ratio (HR) 1.68, 95% confidence interval (CI) 1.19-2.36, p = 0.003) and RFS (HR 1.56, 95% CI 1.12-2.18, p = 0.009), while WBCmax and infectious complications were not. CRPmax, which reflects the magnitude of systemic inflammation induced by surgical stress and postoperative complications in the early phase after surgery, may be a promising prognostic indicator in patients with stage II/III gastric cancer who undergo curative resection.
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Affiliation(s)
- Kenji Kuroda
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka, 545-8585, Japan
| | - Takahiro Toyokawa
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka, 545-8585, Japan.
| | - Yuichiro Miki
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka, 545-8585, Japan
| | - Mami Yoshii
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka, 545-8585, Japan
| | - Tatsuro Tamura
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka, 545-8585, Japan
| | - Hiroaki Tanaka
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka, 545-8585, Japan
| | - Shigeru Lee
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka, 545-8585, Japan
| | - Kazuya Muguruma
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka, 545-8585, Japan
| | - Masakazu Yashiro
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka, 545-8585, Japan
| | - Masaichi Ohira
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka, 545-8585, Japan
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Microwaves assisted synthesis of antitumor agents of novel azoles, azines, and azoloazines pendant to phenyl sulfone moiety and molecular docking for VEGFR-2 kinase. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131657] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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34
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Ferrari S, Pesce M. The Complex Interplay of Inflammation, Metabolism, Epigenetics, and Sex in Calcific Disease of the Aortic Valve. Front Cardiovasc Med 2022; 8:791646. [PMID: 35071359 PMCID: PMC8770423 DOI: 10.3389/fcvm.2021.791646] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/30/2021] [Indexed: 12/20/2022] Open
Abstract
Calcification of the aortic valve is one of the most rapidly increasing pathologies in the aging population worldwide. Traditionally associated to cardiovascular risk conditions, this pathology is still relatively unaddressed on a molecular/cellular standpoint and there are no available treatments to retard its progression unless valve substitution. In this review, we will describe some of the most involved inflammatory players, the metabolic changes that may be responsible of epigenetic modifications and the gender-related differences in the onset of the disease. A better understanding of these aspects and their integration into a unique pathophysiology context is relevant to improve current therapies and patients management.
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Affiliation(s)
- Silvia Ferrari
- Unità di Ingegneria Tissutale Cardiovascolare, Centro Cardiologico Monzino, IRCCS, Milan, Italy
| | - Maurizio Pesce
- Unità di Ingegneria Tissutale Cardiovascolare, Centro Cardiologico Monzino, IRCCS, Milan, Italy
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Pannangpetch P, Thongrung R, Senggunprai L, Hipkaeo W, Tangsucharit P. Anti-angiogenesis and anti-inflammatory effects of Moringa oleifera leaf extract in the early stages of streptozotocin-induced diabetic nephropathy in rats. Asian Pac J Trop Biomed 2022. [DOI: 10.4103/2221-1691.350177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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36
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Cabillon NAR, Lazado CC. Exogenous sulphide donors modify the gene expression patterns of Atlantic salmon nasal leukocytes. FISH & SHELLFISH IMMUNOLOGY 2022; 120:1-10. [PMID: 34758396 DOI: 10.1016/j.fsi.2021.11.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 11/04/2021] [Indexed: 06/13/2023]
Abstract
Hydrogen sulphide (H2S) is a known mediator of immunity, but the regulatory function of its exogenous form is not well understood in fish particularly in the mucosa. Here we report transcriptomic changes in the nasal leukocytes of Atlantic salmon (Salmo salar) following exposure to two forms of H2S donors - the salt sodium hydrosulfide (NaHS) and the organic analogue morpholin-4-ium 4-methoxyphenyl (morpholino) phosphinodithioate (GYY4137). Nasal leukocytes were exposed to three concentrations (1, 10 and 100 μM) of either of the two H2S forms for 24 h before the cells were checked for viability and collected for microarray analysis. Though cellular viability was minimally affected by the exposure to two H2S donors, GYY4137-exposed cells exhibited reduced viability compared with the NaHS group at the highest dose. The H2S-induced transcriptomic changes in the nasal leukocytes were concentration-dependent regardless of the sulphide forms. However, a larger number of differentially expressed genes (DEGs) were identified in the NaHS-exposed versus GYY4137-exposed groups across concentrations. In all comparisons, at least 53% of the DEGs identified were significantly upregulated. Gene ontology (GO) terms enriched in the lists of upregulated DEGs at higher concentrations included ferric iron binding. A comparison of the two H2S forms showed a clear grouping of different GO terms relative to concentrations. Pathway enrichment analysis revealed a significant influence in VEGF ligand-receptor interactions, oxidative stress, innate and adaptive immunity, and interleukin signalling especially at higher concentrations. Congruence analysis demonstrated that there were 16 GO terms overlapping; of these, 12 were upregulated by both sulphide donors including several involving iron binding and transport. The study offers the first molecular insights into how fish nasal leukocytes respond to exogenous H2S, and the results will be vital in resolving the regulatory function of H2S on mucosal immunity in fish.
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Affiliation(s)
- Nikko Alvin R Cabillon
- Department of Animal Sciences, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Carlo C Lazado
- Nofima, The Norwegian Institute of Food, Fisheries and Aquaculture Research, 1433, Ås, Norway.
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37
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Tanno H, Kanno E, Kurosaka S, Oikawa Y, Watanabe T, Sato K, Kasamatsu J, Miyasaka T, Ishi S, Shoji M, Takagi N, Imai Y, Ishii K, Tachi M, Kawakami K. Topical Administration of Heat-Killed Enterococcus faecalis Strain KH2 Promotes Re-Epithelialization and Granulation Tissue Formation during Skin Wound-Healing. Biomedicines 2021; 9:1520. [PMID: 34829749 PMCID: PMC8614852 DOI: 10.3390/biomedicines9111520] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 10/14/2021] [Accepted: 10/20/2021] [Indexed: 12/14/2022] Open
Abstract
Lactic acid bacteria (LAB) are known to have beneficial effects on immune responses when they are orally administered as bacterial products. Although the beneficial effects of LAB have been reported for the genera Lactobacillus and Lactococcus, little has been uncovered on the effects of the genus Enterococcus on skin wound-healing. In this study, we aimed to clarify the effect of heat-killed Enterococcus faecalis KH2 (heat-killed KH2) strain on the wound-healing process and to evaluate the therapeutic potential in chronic skin wounds. We analyzed percent wound closure, re-epithelialization, and granulation area, and cytokine and growth factor production. We found that heat-killed KH2 contributed to the acceleration of re-epithelialization and the formation of granulation tissue by inducing tumor necrosis factor-α, interleukin-6, basic fibroblast growth factor, transforming growth factor (TGF)-β1, and vascular endothelial growth factor production. In addition, heat-killed KH2 also improved wound closure, which was accompanied by the increased production of TGF-β1 in diabetic mice. Topical administration of heat-killed KH2 might have therapeutic potential for the treatment of chronic skin wounds in diabetes mellitus. In the present study, we concluded that heat-killed KH2 promoted skin wound-healing through the formation of granulation tissues and the production of inflammatory cytokines and growth factors.
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Affiliation(s)
- Hiromasa Tanno
- Department of Science of Nursing Practice, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan;
| | - Emi Kanno
- Department of Science of Nursing Practice, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan;
| | - Shiho Kurosaka
- Department of Plastic and Reconstructive Surgery, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (S.K.); (S.I.); (M.S.); (N.T.); (Y.I.); (M.T.)
| | - Yukari Oikawa
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (Y.O.); (K.S.); (K.I.); (K.K.)
| | - Takumi Watanabe
- Bio-Lab Co., Ltd., 2-1-3 Komagawa, Hidaka-shi 350-1249, Japan;
| | - Ko Sato
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (Y.O.); (K.S.); (K.I.); (K.K.)
- Department of Intelligent Network for Infection Control, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan;
| | - Jun Kasamatsu
- Department of Intelligent Network for Infection Control, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan;
| | - Tomomitsu Miyasaka
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai 981-8558, Japan;
| | - Shinyo Ishi
- Department of Plastic and Reconstructive Surgery, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (S.K.); (S.I.); (M.S.); (N.T.); (Y.I.); (M.T.)
| | - Miki Shoji
- Department of Plastic and Reconstructive Surgery, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (S.K.); (S.I.); (M.S.); (N.T.); (Y.I.); (M.T.)
| | - Naoyuki Takagi
- Department of Plastic and Reconstructive Surgery, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (S.K.); (S.I.); (M.S.); (N.T.); (Y.I.); (M.T.)
| | - Yoshimichi Imai
- Department of Plastic and Reconstructive Surgery, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (S.K.); (S.I.); (M.S.); (N.T.); (Y.I.); (M.T.)
| | - Keiko Ishii
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (Y.O.); (K.S.); (K.I.); (K.K.)
| | - Masahiro Tachi
- Department of Plastic and Reconstructive Surgery, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (S.K.); (S.I.); (M.S.); (N.T.); (Y.I.); (M.T.)
| | - Kazuyoshi Kawakami
- Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (Y.O.); (K.S.); (K.I.); (K.K.)
- Department of Intelligent Network for Infection Control, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan;
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Xu FW, Lv YL, Zhong YF, Xue YN, Wang Y, Zhang LY, Hu X, Tan WQ. Beneficial Effects of Green Tea EGCG on Skin Wound Healing: A Comprehensive Review. Molecules 2021; 26:6123. [PMID: 34684703 PMCID: PMC8540743 DOI: 10.3390/molecules26206123] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/02/2021] [Accepted: 10/04/2021] [Indexed: 12/18/2022] Open
Abstract
Epigallocatechin gallate (EGCG) is associated with various health benefits. In this review, we searched current work about the effects of EGCG and its wound dressings on skin for wound healing. Hydrogels, nanoparticles, micro/nanofiber networks and microneedles are the major types of EGCG-containing wound dressings. The beneficial effects of EGCG and its wound dressings at different stages of skin wound healing (hemostasis, inflammation, proliferation and tissue remodeling) were summarized based on the underlying mechanisms of antioxidant, anti-inflammatory, antimicrobial, angiogenesis and antifibrotic properties. This review expatiates on the rationale of using EGCG to promote skin wound healing and prevent scar formation, which provides a future clinical application direction of EGCG.
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Affiliation(s)
- Fa-Wei Xu
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou 310016, China; (F.-W.X.); (Y.-F.Z.); (Y.-N.X.); (Y.W.); (L.-Y.Z.); (X.H.)
| | - Ying-Li Lv
- Tea Research Institute, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310013, China;
| | - Yu-Fan Zhong
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou 310016, China; (F.-W.X.); (Y.-F.Z.); (Y.-N.X.); (Y.W.); (L.-Y.Z.); (X.H.)
| | - Ya-Nan Xue
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou 310016, China; (F.-W.X.); (Y.-F.Z.); (Y.-N.X.); (Y.W.); (L.-Y.Z.); (X.H.)
| | - Yong Wang
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou 310016, China; (F.-W.X.); (Y.-F.Z.); (Y.-N.X.); (Y.W.); (L.-Y.Z.); (X.H.)
| | - Li-Yun Zhang
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou 310016, China; (F.-W.X.); (Y.-F.Z.); (Y.-N.X.); (Y.W.); (L.-Y.Z.); (X.H.)
| | - Xian Hu
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou 310016, China; (F.-W.X.); (Y.-F.Z.); (Y.-N.X.); (Y.W.); (L.-Y.Z.); (X.H.)
| | - Wei-Qiang Tan
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou 310016, China; (F.-W.X.); (Y.-F.Z.); (Y.-N.X.); (Y.W.); (L.-Y.Z.); (X.H.)
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Celik D, Kantarci A. Vascular Changes and Hypoxia in Periodontal Disease as a Link to Systemic Complications. Pathogens 2021; 10:1280. [PMID: 34684229 PMCID: PMC8541389 DOI: 10.3390/pathogens10101280] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/27/2021] [Accepted: 10/02/2021] [Indexed: 12/13/2022] Open
Abstract
The hypoxic microenvironment caused by oral pathogens is the most important cause of the disruption of dynamic hemostasis between the oral microbiome and the immune system. Periodontal infection exacerbates the inflammatory response with increased hypoxia and causes vascular changes. The chronicity of inflammation becomes systemic as a link between oral and systemic diseases. The vascular network plays a central role in controlling infection and regulating the immune response. In this review, we focus on the local and systemic vascular network change mechanisms of periodontal inflammation and the pathological processes of inflammatory diseases. Understanding how the vascular network influences the pathology of periodontal diseases and the systemic complication associated with this pathology is essential for the discovery of both local and systemic proactive control mechanisms.
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Affiliation(s)
- Dilek Celik
- Immunology Division, Health Sciences Institute, Trakya University, Edirne 22100, Turkey;
| | - Alpdogan Kantarci
- Forsyth Institute, Cambridge, MA 02142, USA
- School of Dental Medicine, Harvard University, Boston, MA 02142, USA
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40
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de Cevins C, Luka M, Smith N, Meynier S, Magérus A, Carbone F, García-Paredes V, Barnabei L, Batignes M, Boullé A, Stolzenberg MC, Pérot BP, Charbit B, Fali T, Pirabakaran V, Sorin B, Riller Q, Abdessalem G, Beretta M, Grzelak L, Goncalves P, Di Santo JP, Mouquet H, Schwartz O, Zarhrate M, Parisot M, Bole-Feysot C, Masson C, Cagnard N, Corneau A, Brunaud C, Zhang SY, Casanova JL, Bader-Meunier B, Haroche J, Melki I, Lorrot M, Oualha M, Moulin F, Bonnet D, Belhadjer Z, Leruez M, Allali S, Gras-Leguen C, de Pontual L, Fischer A, Duffy D, Rieux-Laucat F, Toubiana J, Ménager MM. A monocyte/dendritic cell molecular signature of SARS-CoV-2-related multisystem inflammatory syndrome in children with severe myocarditis. MED 2021; 2:1072-1092.e7. [PMID: 34414385 PMCID: PMC8363470 DOI: 10.1016/j.medj.2021.08.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/12/2021] [Accepted: 08/09/2021] [Indexed: 12/28/2022]
Abstract
Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in children is generally milder than in adults, but a proportion of cases result in hyperinflammatory conditions often including myocarditis. Methods To better understand these cases, we applied a multiparametric approach to the study of blood cells of 56 children hospitalized with suspicion of SARS-CoV-2 infection. Plasma cytokine and chemokine levels and blood cellular composition were measured, alongside gene expression at the bulk and single-cell levels. Findings The most severe forms of multisystem inflammatory syndrome in children (MIS-C) related to SARS-CoV-2 that resulted in myocarditis were characterized by elevated levels of pro-angiogenesis cytokines and several chemokines. Single-cell transcriptomics analyses identified a unique monocyte/dendritic cell gene signature that correlated with the occurrence of severe myocarditis characterized by sustained nuclear factor κB (NF-κB) activity and tumor necrosis factor alpha (TNF-α) signaling and associated with decreased gene expression of NF-κB inhibitors. We also found a weak response to type I and type II interferons, hyperinflammation, and response to oxidative stress related to increased HIF-1α and Vascular endothelial growth factor (VEGF) signaling. Conclusions These results provide potential for a better understanding of disease pathophysiology. Funding Agence National de la Recherche (Institut Hospitalo-Universitaire Imagine, grant ANR-10-IAHU-01; Recherche Hospitalo-Universitaire, grant ANR-18-RHUS-0010; Laboratoire d’Excellence ‘‘Milieu Intérieur,” grant ANR-10-LABX-69-01; ANR-flash Covid19 “AIROCovid” and “CoVarImm”), Institut National de la Santé et de la Recherche Médicale (INSERM), and the “URGENCE COVID-19” fundraising campaign of Institut Pasteur. Children with SARS-CoV-2 infection were initially thought to have only mild COVID-19 symptoms. However, several weeks into the first wave of SARS-CoV-2 infections, there was a surge of a postacute pathology called multisystem inflammatory syndrome in children (MIS-C). The authors recruited a cohort of children with suspicion of SARS-CoV-2 infection and uncovered hyperinflammation, hypoxic conditions, exacerbation of TNF-α signaling via NF-κB, and absence of responses to type I and type II IFN secretion in the most severe forms of MIS-C with severe myocarditis. This work led the authors to identify in monocytes and validate in peripheral blood mononuclear cells a molecular signature of 25 genes that allows discrimination of the most severe forms of MIS-C with myocarditis.
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Affiliation(s)
- Camille de Cevins
- Université de Paris, Imagine Institute, Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, INSERM UMR 1163, 75015 Paris, France
- Molecular Biology and Genomics, Translational Sciences, Sanofi R&D, Chilly-Mazarin, France
| | - Marine Luka
- Université de Paris, Imagine Institute, Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, INSERM UMR 1163, 75015 Paris, France
- Labtech Single-Cell@Imagine, Imagine Institute, INSERM UMR 1163, 75015 Paris, France
| | - Nikaïa Smith
- Translational Immunology Lab, Department of Immunology, Institut Pasteur, 75015 Paris, France
| | - Sonia Meynier
- Université de Paris, Imagine Institute Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, 75015 Paris, France
| | - Aude Magérus
- Université de Paris, Imagine Institute Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, 75015 Paris, France
| | - Francesco Carbone
- Université de Paris, Imagine Institute, Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, INSERM UMR 1163, 75015 Paris, France
- Labtech Single-Cell@Imagine, Imagine Institute, INSERM UMR 1163, 75015 Paris, France
| | - Víctor García-Paredes
- Université de Paris, Imagine Institute, Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, INSERM UMR 1163, 75015 Paris, France
- Labtech Single-Cell@Imagine, Imagine Institute, INSERM UMR 1163, 75015 Paris, France
| | - Laura Barnabei
- Université de Paris, Imagine Institute Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, 75015 Paris, France
| | - Maxime Batignes
- Université de Paris, Imagine Institute, Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, INSERM UMR 1163, 75015 Paris, France
| | - Alexandre Boullé
- Université de Paris, Imagine Institute, Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, INSERM UMR 1163, 75015 Paris, France
| | - Marie-Claude Stolzenberg
- Université de Paris, Imagine Institute Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, 75015 Paris, France
| | - Brieuc P Pérot
- Université de Paris, Imagine Institute, Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, INSERM UMR 1163, 75015 Paris, France
| | - Bruno Charbit
- Cytometry and Biomarkers UTechS, CRT, Institut Pasteur, 75015, Paris, France
| | - Tinhinane Fali
- Université de Paris, Imagine Institute, Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, INSERM UMR 1163, 75015 Paris, France
| | - Vithura Pirabakaran
- Université de Paris, Imagine Institute Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, 75015 Paris, France
| | - Boris Sorin
- Université de Paris, Imagine Institute Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, 75015 Paris, France
| | - Quentin Riller
- Université de Paris, Imagine Institute Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, 75015 Paris, France
| | - Ghaith Abdessalem
- Université de Paris, Imagine Institute, Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, INSERM UMR 1163, 75015 Paris, France
| | - Maxime Beretta
- Humoral Immunology Laboratory, Department of Immunology, Institut Pasteur, 75015, Paris, France
- INSERM U1222, Institut Pasteur, 75015, Paris, France
| | - Ludivine Grzelak
- Virus and Immunity Unit, Department of Virology, Institut Pasteur, 75015, Paris, France
| | - Pedro Goncalves
- INSERM U1223, Institut Pasteur, 75015, Paris, France
- Innate Immunity Unit, Department of Immunology, Institut Pasteur, 75015, Paris, France
| | - James P Di Santo
- INSERM U1223, Institut Pasteur, 75015, Paris, France
- Innate Immunity Unit, Department of Immunology, Institut Pasteur, 75015, Paris, France
| | - Hugo Mouquet
- Humoral Immunology Laboratory, Department of Immunology, Institut Pasteur, 75015, Paris, France
- INSERM U1222, Institut Pasteur, 75015, Paris, France
| | - Olivier Schwartz
- Virus and Immunity Unit, Department of Virology, Institut Pasteur, 75015, Paris, France
| | - Mohammed Zarhrate
- Genomics Core Facility, Institut Imagine-Structure Fédérative de Recherche Necker, INSERM U1163 et INSERM US24/CNRS UMS3633, Paris Descartes Sorbonne Paris Cite University, Paris, France
| | - Mélanie Parisot
- Genomics Core Facility, Institut Imagine-Structure Fédérative de Recherche Necker, INSERM U1163 et INSERM US24/CNRS UMS3633, Paris Descartes Sorbonne Paris Cite University, Paris, France
| | - Christine Bole-Feysot
- Genomics Core Facility, Institut Imagine-Structure Fédérative de Recherche Necker, INSERM U1163 et INSERM US24/CNRS UMS3633, Paris Descartes Sorbonne Paris Cite University, Paris, France
| | - Cécile Masson
- Bioinformatics Platform, Structure Fédérative de Recherche Necker, INSERM UMR1163, Université de Paris, Imagine Institute, Paris, France
| | - Nicolas Cagnard
- Bioinformatics Platform, Structure Fédérative de Recherche Necker, INSERM UMR1163, Université de Paris, Imagine Institute, Paris, France
| | - Aurélien Corneau
- Sorbonne Université, UMS037, PASS, Plateforme de Cytométrie de la Pitié-Salpêtrière CyPS, 75013 Paris, France
| | - Camille Brunaud
- Université de Paris, Imagine Institute Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, 75015 Paris, France
| | - Shen-Ying Zhang
- Université de Paris, Imagine Institute, Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM, 75015 Paris, France
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY, USA
| | - Jean-Laurent Casanova
- Université de Paris, Imagine Institute, Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM, 75015 Paris, France
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY, USA
- Department of Paediatric Immuno-Haematology and Rheumatology, Reference Center for Rheumatic, AutoImmune and Systemic Diseases in Children (RAISE), Hôpital Necker-Enfants Malades, Assistance Publique - Hôpitaux de Paris (AP-HP), 75015 Paris, France
| | - Brigitte Bader-Meunier
- Department of Paediatric Immuno-Haematology and Rheumatology, Reference Center for Rheumatic, AutoImmune and Systemic Diseases in Children (RAISE), Hôpital Necker-Enfants Malades, Assistance Publique - Hôpitaux de Paris (AP-HP), 75015 Paris, France
| | - Julien Haroche
- Department of Immunology and Infectious Disease (CIMI-Paris), Pitié-Salpêtrière University Hospital, Sorbonne Université, AP-HP, 75013 Paris, France
| | - Isabelle Melki
- Department of Paediatric Immuno-Haematology and Rheumatology, Reference Center for Rheumatic, AutoImmune and Systemic Diseases in Children (RAISE), Hôpital Necker-Enfants Malades, Assistance Publique - Hôpitaux de Paris (AP-HP), 75015 Paris, France
- Department of Pediatrics, Robert-Debré University Hospital, AP-HP, Université de Paris, Paris, France
| | - Mathie Lorrot
- Department of Pediatrics, Armand-Trousseau University Hospital, AP-HP, 75012 Paris, France
| | - Mehdi Oualha
- Pediatric Intensive Care Unit, Necker-Enfants Malades University Hospital, AP-HP, Université de Paris, 75015 Paris, France
| | - Florence Moulin
- Pediatric Intensive Care Unit, Necker-Enfants Malades University Hospital, AP-HP, Université de Paris, 75015 Paris, France
| | | | | | - Marianne Leruez
- Virology Laboratory, Necker-Enfants Malades University Hospital, AP-HP, Université de Paris, 75015 Paris, France
| | - Slimane Allali
- Department of General Paediatrics and Paediatric Infectious Diseases, Necker-Enfants Malades University Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Université de Paris, 75015 Paris, France
| | - Christèle Gras-Leguen
- Pediatric Department, Nantes University Hospital, CIC 1413, INSERM, 44000 Nantes, France
| | - Loïc de Pontual
- Department of Pediatrics, Jean Verdier Hospital, Assistance Publique-Hôpitaux de Paris, Paris 13 University, Bondy, France
| | - Alain Fischer
- Department of Paediatric Immuno-Haematology and Rheumatology, Reference Center for Rheumatic, AutoImmune and Systemic Diseases in Children (RAISE), Hôpital Necker-Enfants Malades, Assistance Publique - Hôpitaux de Paris (AP-HP), 75015 Paris, France
- Université de Paris, Imagine Institute, INSERM UMR 1163, 75015 Paris, France
- Collège de France, Paris, France
| | - Darragh Duffy
- Translational Immunology Lab, Department of Immunology, Institut Pasteur, 75015 Paris, France
- Cytometry and Biomarkers UTechS, CRT, Institut Pasteur, 75015, Paris, France
| | - Fredéric Rieux-Laucat
- Université de Paris, Imagine Institute Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, 75015 Paris, France
| | - Julie Toubiana
- Department of General Paediatrics and Paediatric Infectious Diseases, Necker-Enfants Malades University Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Université de Paris, 75015 Paris, France
- Institut Pasteur, Biodiversity and Epidemiology of Bacterial Pathogens, Paris, France
| | - Mickaël M Ménager
- Université de Paris, Imagine Institute, Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, INSERM UMR 1163, 75015 Paris, France
- Labtech Single-Cell@Imagine, Imagine Institute, INSERM UMR 1163, 75015 Paris, France
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Balogh V, MacAskill MG, Hadoke PWF, Gray GA, Tavares AAS. Positron Emission Tomography Techniques to Measure Active Inflammation, Fibrosis and Angiogenesis: Potential for Non-invasive Imaging of Hypertensive Heart Failure. Front Cardiovasc Med 2021; 8:719031. [PMID: 34485416 PMCID: PMC8416043 DOI: 10.3389/fcvm.2021.719031] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 07/22/2021] [Indexed: 12/11/2022] Open
Abstract
Heart failure, which is responsible for a high number of deaths worldwide, can develop due to chronic hypertension. Heart failure can involve and progress through several different pathways, including: fibrosis, inflammation, and angiogenesis. Early and specific detection of changes in the myocardium during the transition to heart failure can be made via the use of molecular imaging techniques, including positron emission tomography (PET). Traditional cardiovascular PET techniques, such as myocardial perfusion imaging and sympathetic innervation imaging, have been established at the clinical level but are often lacking in pathway and target specificity that is important for assessment of heart failure. Therefore, there is a need to identify new PET imaging markers of inflammation, fibrosis and angiogenesis that could aid diagnosis, staging and treatment of hypertensive heart failure. This review will provide an overview of key mechanisms underlying hypertensive heart failure and will present the latest developments in PET probes for detection of cardiovascular inflammation, fibrosis and angiogenesis. Currently, selective PET probes for detection of angiogenesis remain elusive but promising PET probes for specific targeting of inflammation and fibrosis are rapidly progressing into clinical use.
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Affiliation(s)
- Viktoria Balogh
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom.,Edinburgh Imaging, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Mark G MacAskill
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom.,Edinburgh Imaging, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Patrick W F Hadoke
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Gillian A Gray
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Adriana A S Tavares
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom.,Edinburgh Imaging, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom
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42
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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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Gaggianesi M, Di Franco S, Pantina VD, Porcelli G, D'Accardo C, Verona F, Veschi V, Colarossi L, Faldetta N, Pistone G, Bongiorno MR, Todaro M, Stassi G. Messing Up the Cancer Stem Cell Chemoresistance Mechanisms Supported by Tumor Microenvironment. Front Oncol 2021; 11:702642. [PMID: 34354950 PMCID: PMC8330815 DOI: 10.3389/fonc.2021.702642] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/05/2021] [Indexed: 12/12/2022] Open
Abstract
Despite the recent advances in cancer patient management and in the development of targeted therapies, systemic chemotherapy is currently used as a first-line treatment for many cancer types. After an initial partial response, patients become refractory to standard therapy fostering rapid tumor progression. Compelling evidence highlights that the resistance to chemotherapeutic regimens is a peculiarity of a subpopulation of cancer cells within tumor mass, known as cancer stem cells (CSCs). This cellular compartment is endowed with tumor-initiating and metastasis formation capabilities. CSC chemoresistance is sustained by a plethora of grow factors and cytokines released by neighboring tumor microenvironment (TME), which is mainly composed by adipocytes, cancer-associated fibroblasts (CAFs), immune and endothelial cells. TME strengthens CSC refractoriness to standard and targeted therapies by enhancing survival signaling pathways, DNA repair machinery, expression of drug efflux transporters and anti-apoptotic proteins. In the last years many efforts have been made to understand CSC-TME crosstalk and develop therapeutic strategy halting this interplay. Here, we report the combinatorial approaches, which perturb the interaction network between CSCs and the different component of TME.
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Affiliation(s)
- Miriam Gaggianesi
- Department of Surgical Oncological and Stomatological Sciences (DICHIRONS), University of Palermo, Palermo, Italy
| | - Simone Di Franco
- Department of Surgical Oncological and Stomatological Sciences (DICHIRONS), University of Palermo, Palermo, Italy
| | - Vincenzo Davide Pantina
- Department of Surgical Oncological and Stomatological Sciences (DICHIRONS), University of Palermo, Palermo, Italy
| | - Gaetana Porcelli
- Department of Health Promotion Sciences, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Caterina D'Accardo
- Department of Health Promotion Sciences, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Francesco Verona
- Department of Health Promotion Sciences, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Veronica Veschi
- Department of Surgical Oncological and Stomatological Sciences (DICHIRONS), University of Palermo, Palermo, Italy
| | | | - Naida Faldetta
- Department of Surgery, Villa Sofia-Cervello Hospital, Palermo, Italy
| | - Giuseppe Pistone
- Department of Health Promotion Sciences, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Maria Rita Bongiorno
- Department of Health Promotion Sciences, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Matilde Todaro
- Department of Health Promotion Sciences, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Giorgio Stassi
- Department of Surgical Oncological and Stomatological Sciences (DICHIRONS), University of Palermo, Palermo, Italy
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Walter TJ, Iudicello J, Cookson DR, Franklin D, Tang B, Young JW, Perry W, Ellis R, Heaton RK, Grant I, Minassian A, Letendre S. The Relationships between HIV-1 Infection, History of Methamphetamine Use Disorder, and Soluble Biomarkers in Blood and Cerebrospinal Fluid. Viruses 2021; 13:1287. [PMID: 34372493 PMCID: PMC8310127 DOI: 10.3390/v13071287] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 06/24/2021] [Accepted: 06/25/2021] [Indexed: 01/13/2023] Open
Abstract
Methamphetamine (METH) use disorder is highly prevalent among people with HIV (PWH) and is a significant public health problem. HIV and METH use are each associated with immune system dysfunction; however, the combined effects on the immune system are poorly understood. This cross-sectional project measured soluble immune biomarkers in plasma and cerebrospinal fluid (CSF) collected from a control group, people with a history of a METH use disorder (METH+), PWH with no history of METH use disorder (HIV+), and PWH with a history of METH use disorder (HIV+/METH+). HIV, METH, and immune dysfunction can also be associated with affective and cognitive deficits, so we characterized mood and cognition in our participants. Two factor analyses were performed for the plasma and CSF biomarkers. Plasma IL-8, Ccl2, VEGF, and 8-isoprostane loaded onto one factor that was highest in the HIV+/METH+ group (p < 0.047) reflecting worse inflammation, vascular injury, and oxidative stress. This plasma factor was also negatively correlated with delayed recall (R = -0.49, p = 0.010), which was worst in the HIV+/METH+ group (p = 0.030 compared to the control group). Overall, these data implicate that combined HIV-1 infection and METH use may exacerbate inflammation, leading to worse cognition.
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Affiliation(s)
- T. Jordan Walter
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; (J.I.); (D.R.C.); (D.F.); (B.T.); (J.W.Y.); (W.P.); (R.K.H.); (I.G.); (A.M.)
| | - Jennifer Iudicello
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; (J.I.); (D.R.C.); (D.F.); (B.T.); (J.W.Y.); (W.P.); (R.K.H.); (I.G.); (A.M.)
| | - Debra Rosario Cookson
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; (J.I.); (D.R.C.); (D.F.); (B.T.); (J.W.Y.); (W.P.); (R.K.H.); (I.G.); (A.M.)
| | - Donald Franklin
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; (J.I.); (D.R.C.); (D.F.); (B.T.); (J.W.Y.); (W.P.); (R.K.H.); (I.G.); (A.M.)
| | - Bin Tang
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; (J.I.); (D.R.C.); (D.F.); (B.T.); (J.W.Y.); (W.P.); (R.K.H.); (I.G.); (A.M.)
| | - Jared W. Young
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; (J.I.); (D.R.C.); (D.F.); (B.T.); (J.W.Y.); (W.P.); (R.K.H.); (I.G.); (A.M.)
| | - William Perry
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; (J.I.); (D.R.C.); (D.F.); (B.T.); (J.W.Y.); (W.P.); (R.K.H.); (I.G.); (A.M.)
| | - Ronald Ellis
- Department of Neurosciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA;
| | - Robert K. Heaton
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; (J.I.); (D.R.C.); (D.F.); (B.T.); (J.W.Y.); (W.P.); (R.K.H.); (I.G.); (A.M.)
| | - Igor Grant
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; (J.I.); (D.R.C.); (D.F.); (B.T.); (J.W.Y.); (W.P.); (R.K.H.); (I.G.); (A.M.)
| | - Arpi Minassian
- Department of Psychiatry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; (J.I.); (D.R.C.); (D.F.); (B.T.); (J.W.Y.); (W.P.); (R.K.H.); (I.G.); (A.M.)
- VA Center of Excellence for Stress and Mental Health, Veterans Administration San Diego Healthcare System, 3350 La Jolla Village Drive, San Diego, CA 92161, USA
| | - Scott Letendre
- Division of Infectious Disease and Global Public Health, Department of Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
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Omidi M, Mansouri V, Mohammadi Amirabad L, Tayebi L. Impact of Lipid/Magnesium Hydroxide Hybrid Nanoparticles on the Stability of Vascular Endothelial Growth Factor-Loaded PLGA Microspheres. ACS APPLIED MATERIALS & INTERFACES 2021; 13:24370-24384. [PMID: 34006111 PMCID: PMC9328745 DOI: 10.1021/acsami.0c22140] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The purpose of the present study is to characterize poly(d,l-lactide-co-glycolide) (PLGA) composite microcarriers for vascular endothelial growth factor (VEGF) delivery. To reduce the initial burst release and protect the bioactivity, VEGF is encapsulated in soybean l-α-phosphatidylethanolamine (PE) and l-α-phosphatidylcholine (PC) anhydrous reverse micelle (VEGF-RM) nanoparticles. Also, mesoporous nano-hexagonal Mg(OH)2 nanostructure (MNS)-loaded PE/PC anhydrous reverse micelle (MNS-RM) nanoparticles are synthesized to suppress the induced inflammation of PLGA acidic byproducts and regulate the release profile. The flow-focusing microfluidic geometry platforms are used to fabricate different combinations of PLGA composite microspheres (PLGA-CMPs) with MNSs, MNS-RM, VEGF-RM, and native VEGF. The essential parameters of each formulation, such as release profiles, encapsulation efficacy, bioactivity, inflammatory response, and cytotoxicity, are investigated by in vitro and in vivo studies. The results indicate that generated acidic byproducts during the hydrolytic degradation process of PLGA can be buffered, and pH values inside and outside microspheres can remain steady during degradation by MNSs. Furthermore, the significant improvement in the stability of the encapsulated VEGF is confirmed by the bioactivity assay. In vitro release study shows that the VEGF initial burst release is well minimized in the present microcarriers. The present monodisperse PLGA-CMPs can be widely used in various tissue engineering and therapeutic applications.
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Affiliation(s)
- Meisam Omidi
- Marquette University School of Dentistry, Milwaukee, Wisconsin 53201-1881, United States
- Protein Research Center, Shahid Beheshti University G.C., Tehran 19839-69411, Iran
| | - Vahid Mansouri
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical sciences, Tehran 19857-17443, Iran
- Department of Basic Science, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran
| | | | - Lobat Tayebi
- Marquette University School of Dentistry, Milwaukee, Wisconsin 53201-1881, United States
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46
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Khan AA, Bano Y. Salmonella enterica subsp. enterica host-pathogen interactions and their implications in gallbladder cancer. Microb Pathog 2021; 157:105011. [PMID: 34062227 DOI: 10.1016/j.micpath.2021.105011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 05/23/2021] [Accepted: 05/24/2021] [Indexed: 12/27/2022]
Abstract
BACKGROUND Several studies have linked chronic typhoid infection with gallbladder carcinoma without completely understood mechanism. This study was performed in order to understand role of Salmonella in gallbladder cancer etiology. METHODS Known Salmonella host-pathogen interactions were screened from database in addition to known gallbladder carcinoma targets. Host-pathogen interaction map of S. enterica was prepared and screened for interactions with gallbladder carcinoma targets. Further functional overrepresentation analysis was performed to understand the role of human targets involved in Salmonella host-pathogen interactions in gallbladder carcinoma. RESULTS Salmonella interact with several human proteins involved in gallbladder carcinoma. MAPK and RAC1 are the most important human proteins based on node degree value among all GBC associated interactors identified in current data search. Functional over-representation analysis reveals that Salmonella can induce adenocarcinoma which constitutes 85% of gallbladder cancer. CONCLUSION Though, the role of MAPK/ERK and PI3K/AKT/mTOR pathway is already suggested for Salmonella mediated gallbladder cancer, but current data based approach indicate several new insight for exploration of the role of Salmonella in gallbladder cancer etiology. The results indicate about several other processes including CREB/SP-1 and BSG(CD147) signaling, that must be given consideration for understanding the role of Salmonella in gallbladder cancer.
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Affiliation(s)
- Abdul Arif Khan
- Indian Council of Medical Research-National AIDS Research Institute, Pune, Maharashtra, 411026, India.
| | - Yasmin Bano
- Department of Molecular and Human Genetics, Jiwaji University, Gwalior, MP, 474001, India
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47
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Baird A, Oelsner L, Fisher C, Witte M, Huynh M. A multiscale computational model of angiogenesis after traumatic brain injury, investigating the role location plays in volumetric recovery. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2021; 18:3227-3257. [PMID: 34198383 DOI: 10.3934/mbe.2021161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Vascular endothelial growth factor (VEGF) is a key protein involved in the process of angiogenesis. VEGF is of particular interest after a traumatic brain injury (TBI), as it re-establishes the cerebral vascular network in effort to allow for proper cerebral blood flow and thereby oxygenation of damaged brain tissue. For this reason, angiogenesis is critical in the progression and recovery of TBI patients in the days and weeks post injury. Although well established experimental work has led to advances in our understanding of TBI and the progression of angiogenisis, many constraints still exist with existing methods, especially when considering patient progression in the days following injury. To better understand the healing process on the proposed time scales, we develop a computational model that quickly simulates vessel growth and recovery by coupling VEGF and its interactions with its associated receptors to a physiologically inspired fractal model of the microvascular re-growth. We use this model to clarify the role that diffusivity, receptor kinetics and location of the TBI play in overall blood volume restoration in the weeks post injury and show that proper therapeutic angiogenesis, or vasculogenic therapies, could speed recovery of the patient as a function of the location of injury.
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Affiliation(s)
- Austin Baird
- Applied Research Associates Inc., Advanced Modeling & Simulation Systems Directorate, 8537 Six Forks Rd, Raleigh, NC 27615, USA
| | - Laura Oelsner
- Varian Medical Systems, 3100 Hansen Way, Palo Alto, CA 94304, USA
| | - Charles Fisher
- Applied Research Associates Inc., Advanced Modeling & Simulation Systems Directorate, 8537 Six Forks Rd, Raleigh, NC 27615, USA
| | - Matt Witte
- Applied Research Associates Inc., Advanced Modeling & Simulation Systems Directorate, 8537 Six Forks Rd, Raleigh, NC 27615, USA
| | - My Huynh
- Applied Research Associates Inc., Advanced Modeling & Simulation Systems Directorate, 8537 Six Forks Rd, Raleigh, NC 27615, USA
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Biswas S, Feng B, Chen S, Liu J, Aref-Eshghi E, Gonder J, Ngo V, Sadikovic B, Chakrabarti S. The Long Non-Coding RNA HOTAIR Is a Critical Epigenetic Mediator of Angiogenesis in Diabetic Retinopathy. Invest Ophthalmol Vis Sci 2021; 62:20. [PMID: 33724292 PMCID: PMC7980040 DOI: 10.1167/iovs.62.3.20] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 02/15/2021] [Indexed: 12/27/2022] Open
Abstract
Purpose Diabetic retinopathy (DR) remains a pressing issue worldwide. Abnormal angiogenesis is a distinct vascular lesion in DR, and research has established that vascular endothelial growth factor A (VEGF-A) is a primary mediator of such changes. However, limitations in current anti-VEGF therapies suggest that our understanding of molecular networks underlying ocular angiogenesis remains far from complete. Based on our long non-coding RNA (lncRNA) array analyses, HOX antisense intergenic RNA (HOTAIR) was identified as one of the top upregulated lncRNAs in high glucose-cultured human retinal endothelial cells (HRECs). Given the well-documented roles of HOTAIR in cancer, no studies have examined the epigenetic implications of HOTAIR in DR, and we investigated such relationships herein. Methods We used HRECs exposed to various glucose concentrations and epigenetic modulators to examine HOTAIR, angiogenic, and DR-related molecular markers. Oxidative stress, angiogenesis, and mitochondrial dysfunction were assessed. Retinal tissues of diabetic rodents and the vitreous humor and serum of patients with proliferative DR were also investigated. Results Hyperglycemia significantly augmented HOTAIR expression in HRECs and promoted angiogenesis, oxidative damage, and mitochondrial aberrations. Similarly, vitreous humor and serum from proliferative DR patients and retinas from diabetic animals demonstrated increased HOTAIR expression compared to non-diabetic controls. HOTAIR knockdown protected against glucose-induced increases of angiogenic and diabetes-associated molecules in the retina. Mechanistically, we showed that HOTAIR exerts its capabilities by preventing oxidative stress and modulating epigenetic pathways involving histone methylation, histone acetylation, DNA methylation, and transcription factors. Conclusions Our findings suggest that HOTAIR is a critical lncRNA in the pathogenesis of DR and may potentially be important for diagnostic and therapeutic targeting.
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Affiliation(s)
- Saumik Biswas
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
| | - Biao Feng
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
| | - Shali Chen
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
| | - Jieting Liu
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
| | - Erfan Aref-Eshghi
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
| | - John Gonder
- Department of Ophthalmology, Western University, London, Ontario, Canada
| | - Vy Ngo
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
| | - Bekim Sadikovic
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
| | - Subrata Chakrabarti
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
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Malhotra KP, Suvirya S, Malhotra HS, Kumar B, Kumar S, Husain N. Cyclooxygenase 2 and vascular endothelial growth factor-potential targets to manage lepra reactions: A case-control study. Dermatol Ther 2021; 34:e14882. [PMID: 33594711 DOI: 10.1111/dth.14882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 01/02/2021] [Accepted: 02/13/2021] [Indexed: 11/30/2022]
Abstract
Reactions in leprosy have an immune mediated pathogenesis. While type 1 reactions are delayed hypersensitivity phenomenon, type 2 reactions are immune complex mediated. Key molecules which mediate the immune insult in lepra reactions require evaluation in order to tailor their therapy and prevent disability. The objective of the study was to evaluate expressions of Cyclooxygenase 2 and Vascular Endothelial Growth Factor in skin biopsies from leprosy patients and correlate their expression with presence of either type 1 or type 2 lepra reactions. This was a case control study. Cyclooxygenase 2 and Vascular Endothelial Growth Factor expression in dermal macrophages and vascular endothelium was assessed immunohistochemically. Biopsies from patients with Non-reactive leprosy and healthy controls were used for comparison. SPSS software was used for statistical analysis. A total of 147 skin biopsies were evaluated, including 18 with Type 1 reaction, 39 Type 2 reaction, 81 non-reactive leprosy and 9 healthy controls. Both Cyclooxygenase 2 and Vascular Endothelial Growth Factor expression were significantly higher in type 1 followed by type 2 reaction as compared to controls. These results may guide us regarding use of Cyclooxygenase 2 and Vascular Endothelial Growth Factor inhibitor drugs which may be a major step in treating reactive leprosy patients and preventing nerve damage and disability.
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Affiliation(s)
- Kiran Preet Malhotra
- Department of Pathology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Swastika Suvirya
- Department of Dermatology, Venerology and Leprology, King George Medical University, Lucknow, Uttar Pradesh, India
| | | | - Brajesh Kumar
- Department of Pathology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Surendra Kumar
- Department of Pathology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Nuzhat Husain
- Department of Pathology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
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Lolansen SD, Rostgaard N, Oernbo EK, Juhler M, Simonsen AH, MacAulay N. Inflammatory Markers in Cerebrospinal Fluid from Patients with Hydrocephalus: A Systematic Literature Review. DISEASE MARKERS 2021; 2021:8834822. [PMID: 33613789 PMCID: PMC7875647 DOI: 10.1155/2021/8834822] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 01/06/2021] [Indexed: 02/06/2023]
Abstract
OBJECTIVE The aim of this systematic review was to evaluate existing literature on inflammatory markers in CSF from patients with hydrocephalus and identify potential markers capable of promoting hydrocephalus development and progression. METHODS Relevant studies published before December 3rd 2020 were identified from PubMed, Embase, and reference lists. Studies were screened for eligibility using the predefined inclusion and exclusion criteria. Data from eligible studies were extracted, and sources of bias were evaluated. We included articles written in English investigating inflammatory markers in CSF from patients with hydrocephalus and control subjects. The review was conducted according to the PRISMA guidelines by three independent reviewers. RESULTS Twenty-two studies analyzed CSF from 311 patients with idiopathic normal pressure hydrocephalus (iNPH), 178 with posthemorrhagic hydrocephalus (PHH), 151 with other hydrocephalus diagnoses, and 394 control subjects. Fifty-eight inflammatory markers were investigated. The CSF of iNPH patients had increased CSF levels of IL-6, IL-1β, and LRG compared with control subjects, whereas the CSF of PHH patients had increased levels of IL-6, IL-18, and VEGF. CSF from patients with "other hydrocephalus diagnoses" had elevated IFN-γ compared to control subjects, and VEGF was increased in congenital hydrocephalus, spina bifida, and hydrocephalus associated with tuberculous meningitis compared with controls. CONCLUSION IL-6, IL-1β, LRG, IL-18, VEGF, and IFN-γ are elevated in CSF from patients with hydrocephalus and may be involved in promotion of hydrocephalus development and progression. They may serve as novel disease biomarkers, and their signaling pathways may represent targets for pharmacological management of hydrocephalus.
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Affiliation(s)
| | - Nina Rostgaard
- Department of Neurosurgery, Rigshospitalet, Copenhagen, Denmark
| | - Eva Kjer Oernbo
- Department of Neuroscience, University of Copenhagen, Copenhagen, Denmark
| | - Marianne Juhler
- Department of Neurosurgery, Rigshospitalet, Copenhagen, Denmark
| | - Anja Hviid Simonsen
- Danish Dementia Research Centre, Department of Neurology, Rigshospitalet, Copenhagen, Denmark
| | - Nanna MacAulay
- Department of Neuroscience, University of Copenhagen, Copenhagen, Denmark
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