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Ly KL, Rajtboriraks M, Elgerbi A, Luo X, Raub CB. Recombinant Human Keratinocyte Growth Factor Ameliorates Cancer Treatment-Induced Oral Mucositis on a Chip. Adv Healthc Mater 2024; 13:e2302970. [PMID: 38351394 PMCID: PMC11144107 DOI: 10.1002/adhm.202302970] [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: 09/05/2023] [Revised: 02/06/2024] [Indexed: 02/23/2024]
Abstract
Oral mucositis (OM) is a severe complication of cancer therapies caused by off-target cytotoxicity. Palifermin, which is recombinant human keratinocyte growth factor (KGF), is currently the only mitigating treatment available to a subset of OM patients. This study used a previously established model of oral mucositis on a chip (OM-OC) comprised of a confluent human gingival keratinocytes (GIE) layer attached to a basement membrane-lined subepithelial layer consisting of human gingival fibroblasts (HGF) and human dermal microvascular endothelial cells (HMEC) on a stable collagen I gel. Cisplatin, radiation, and combined treatments are followed by a recovery period in the OM-OC to determine possible cellular and molecular mechanisms of OM under effects of KGF. Cancer treatments affected the keratinocyte layer, causing death and epithelial barrier loss. Both keratinocytes and subepithelial cells died rapidly, as evidenced by propidium iodide staining. In response to radiation exposure, cell death occurred in the apical epithelial layer, predominantly, within 24h. Cisplatin exposure predominantly promoted death of basal epithelial cells within 32-36h. Presence of KGF in OM-OC protected tissues from damage caused by cancer treatments in a dose-dependent manner, being more effective at 10 ng/mL. As verified by F-actin staining and the Alamar Blue assay, KGF contributed to epithelial survival and induced proliferation of GIE and HGF as well as HMEC within 120h. When the expression of eighty inflammatory cytokines is evaluated at OM induction (Day 12) and resolution (Day 18) stages in OM-OC, some cytokines are identified as potential novel therapeutic targets. In comparison with chemoradiation exposure, KGF treatment showed a trend to decrease IL-8 and TNF-a expression at Day 12 and 18, and TGF-β1 at Day 18 in OM-OC. Taken together, these findings support the utility of OM-OC as a platform to model epithelial damage and evaluate molecular mechanisms following OM treatment.
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Affiliation(s)
- Khanh L Ly
- Department of Biomedical Engineering, School of Engineering, The Catholic University of America, Washington, DC, 20064, USA
| | - May Rajtboriraks
- Department of Biomedical Engineering, School of Engineering, The Catholic University of America, Washington, DC, 20064, USA
| | - Ahmed Elgerbi
- Department of Biology, School of Arts and Sciences, The Catholic University of America, Washington, DC, 20064, USA
| | - Xiaolong Luo
- Department of Mechanical Engineering, School of Engineering, The Catholic University of America, Washington, DC, 20064, USA
| | - Christopher B Raub
- Department of Biomedical Engineering, School of Engineering, The Catholic University of America, Washington, DC, 20064, USA
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Liu X, Hu X, Niu C, Yang Y, Huang Z, Xie J. Fibroblast growth factor 7 protects osteoblasts against oxidative damage through targeting mitochondria. FASEB J 2024; 38:e23524. [PMID: 38466191 DOI: 10.1096/fj.202301650rr] [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: 08/14/2023] [Revised: 02/01/2024] [Accepted: 02/16/2024] [Indexed: 03/12/2024]
Abstract
The pathophysiology of osteoporosis is significantly influenced by the impaired functioning of osteoblasts, which is particularly caused by oxidative stress. Nevertheless, the underlying mechanisms responsible for this phenomenon are still not well understood. The objective of this study was to elucidate the impact of fibroblast growth factor 7 (FGF7) on the behavior of osteoblasts under conditions of oxidative stress. The osteoblast-like MC3T3 cells were pretreated with recombinant FGF7 in the presence of oxidative stress induced by hydrogen peroxide (H2 O2 ). We first provided the evidence that the endogenous FGF7 was significantly increased in osteoblasts in response to the increased H2 O2 levels. Recombined FGF7 demonstrated a remarkable capacity to resist the detrimental effects of H2 O2 -induced oxidative stress, including the increase in cell apoptosis, decrease in osteoblast viability, and impairment in osteogenic differentiation capacity, on osteoblasts. Furthermore, we extensively explored the mechanism underlying these protective effects and discovered a remarkable modulation of reactive oxygen species (ROS) homeostasis in H2 O2 -treated cells following the pronounced expression of FGF7, which significantly differed from the control group. Additionally, we observed that FGF7 exerted partial preservation on both the morphology and function of mitochondria when exposed to oxidative stress conditions. Furthermore, FGF7 exhibited the ability to enhance the activation of the p38/MAPK signaling pathway while concurrently suppressing the JNK/MAPK signaling pathway in response to oxidative stress. These results underscore the promising role and underlying mechanisms of FGF7 in preserving osteoblast homeostasis in the face of oxidative stress.
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Affiliation(s)
- Xiaoyu Liu
- Department of Endodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Xuchen Hu
- Department of Endodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Chenguang Niu
- Department of Endodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Yueyi Yang
- Department of Endodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Zhengwei Huang
- Department of Endodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Jing Xie
- Lab of Bone and Joint Disease, State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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Dinges SS, Amini K, Notarangelo LD, Delmonte OM. Primary and secondary defects of the thymus. Immunol Rev 2024; 322:178-211. [PMID: 38228406 PMCID: PMC10950553 DOI: 10.1111/imr.13306] [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] [Indexed: 01/18/2024]
Abstract
The thymus is the primary site of T-cell development, enabling generation, and selection of a diverse repertoire of T cells that recognize non-self, whilst remaining tolerant to self- antigens. Severe congenital disorders of thymic development (athymia) can be fatal if left untreated due to infections, and thymic tissue implantation is the only cure. While newborn screening for severe combined immune deficiency has allowed improved detection at birth of congenital athymia, thymic disorders acquired later in life are still underrecognized and assessing the quality of thymic function in such conditions remains a challenge. The thymus is sensitive to injury elicited from a variety of endogenous and exogenous factors, and its self-renewal capacity decreases with age. Secondary and age-related forms of thymic dysfunction may lead to an increased risk of infections, malignancy, and autoimmunity. Promising results have been obtained in preclinical models and clinical trials upon administration of soluble factors promoting thymic regeneration, but to date no therapy is approved for clinical use. In this review we provide a background on thymus development, function, and age-related involution. We discuss disease mechanisms, diagnostic, and therapeutic approaches for primary and secondary thymic defects.
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Affiliation(s)
- Sarah S. Dinges
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
- Department of Pediatric Respiratory Medicine, Immunology and Critical Care Medicine, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Kayla Amini
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Luigi D. Notarangelo
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ottavia M. Delmonte
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
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Haxaire C, Liebel F, Portocarrero Huang G, Chen S, Knapp E, Idkowiak-Baldys J, Glynn J. Effect of L-4-Thiazolylalanine (Protinol™) on skin barrier strength and skin protection. Int J Cosmet Sci 2023; 45:725-738. [PMID: 37402136 DOI: 10.1111/ics.12881] [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: 02/17/2023] [Revised: 05/19/2023] [Accepted: 06/24/2023] [Indexed: 07/05/2023]
Abstract
OBJECTIVES Skin barrier properties are critical for maintaining epidermal water content, protecting from environmental factors and providing the first line of defense against pathogens. In this study, we investigated the non-proteinogenic amino acid L-4-Thiazolylalanine (L4) as a potential active ingredient in skin protection and barrier strength. METHODS L4 on wound healing, anti-inflammatory and anti-oxidant properties were evaluated using monolayers and 3D skin equivalents. The transepithelial electrical resistance (TEER) value was used in vitro as a strong indicator of barrier strength and integrity. Clinical L4 efficacy was assessed for the evaluation of the skin barrier integrity and soothing benefits. RESULTS In vitro treatments of L4 show beneficial effects in wound closure mechanism, and we demonstrate that L4 anti-oxidant benefits with markedly increased HSP70 and decreased reactive oxygen species production induced by UVs exposure. Barrier strength and integrity were significantly improved by L4, confirmed clinically by an increase in 12R-lipoxygenase enzymatic activity in the stratum corneum. In addition, soothing benefits of L4 have been shown clinically with the decrease in redness after methyl nicotinate application on the inner arm and the significant reduction of the erythema and the skin desquamation on the scalp. CONCLUSION L4 delivered multiple skin benefits by strengthening the skin barrier, accelerating the skin repair process as well as soothing the skin and the scalp with anti-inflammaging effects. The observed efficacy validates L4 as a desirable skincare ingredient for topical treatment.
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Affiliation(s)
- C Haxaire
- Avon Skin Care Institute, Global Research and Development, Avon Products Inc., Suffern, New York, USA
| | - F Liebel
- Avon Skin Care Institute, Global Research and Development, Avon Products Inc., Suffern, New York, USA
| | - G Portocarrero Huang
- Avon Skin Care Institute, Global Research and Development, Avon Products Inc., Suffern, New York, USA
| | - S Chen
- Avon Skin Care Institute, Global Research and Development, Avon Products Inc., Suffern, New York, USA
| | - E Knapp
- Avon Skin Care Institute, Global Research and Development, Avon Products Inc., Suffern, New York, USA
| | - J Idkowiak-Baldys
- Avon Skin Care Institute, Global Research and Development, Avon Products Inc., Suffern, New York, USA
| | - J Glynn
- Avon Skin Care Institute, Global Research and Development, Avon Products Inc., Suffern, New York, USA
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Lee DY, Song WH, Lim YS, Lee C, Rajbongshi L, Hwang SY, Kim BS, Lee D, Song YJ, Kim HG, Yoon S. Fish Collagen Peptides Enhance Thymopoietic Gene Expression, Cell Proliferation, Thymocyte Adherence, and Cytoprotection in Thymic Epithelial Cells via Activation of the Nuclear Factor-κB Pathway, Leading to Thymus Regeneration after Cyclophosphamide-Induced Injury. Mar Drugs 2023; 21:531. [PMID: 37888466 PMCID: PMC10608061 DOI: 10.3390/md21100531] [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: 09/19/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 10/28/2023] Open
Abstract
Prolonged thymic involution results in decreased thymopoiesis and thymic output, leading to peripheral T-cell deficiency. Since the thymic-dependent pathway is the only means of generating fully mature T cells, the identification of strategies to enhance thymic regeneration is crucial in developing therapeutic interventions to revert immune suppression in immunocompromised patients. The present study clearly shows that fish collagen peptides (FCPs) stimulate activities of thymic epithelial cells (TECs), including cell proliferation, thymocyte adhesion, and the gene expression of thymopoietic factors such as FGF-7, IGF-1, BMP-4, VEGF-A, IL-7, IL-21, RANKL, LTβ, IL-22R, RANK, LTβR, SDF-1, CCL21, CCL25, CXCL5, Dll1, Dll4, Wnt4, CD40, CD80, CD86, ICAM-1, VCAM-1, FoxN1, leptin, cathepsin L, CK5, and CK8 through the NF-κB signal transduction pathway. Furthermore, our study also revealed the cytoprotective effects of FCPs on TECs against cyclophosphamide-induced cellular injury through the NF-κB signaling pathway. Importantly, FCPs exhibited a significant capability to facilitate thymic regeneration in mice after cyclophosphamide-induced damage via the NF-κB pathway. Taken together, this study sheds light on the role of FCPs in TEC function, thymopoiesis, and thymic regeneration, providing greater insight into the development of novel therapeutic strategies for effective thymus repopulation for numerous clinical conditions in which immune reconstitution is required.
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Affiliation(s)
- Do Young Lee
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
| | - Won Hoon Song
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
- Department of Urology, Pusan National University Yangsan Hospital and Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
| | - Ye Seon Lim
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
| | - Changyong Lee
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
| | - Lata Rajbongshi
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
| | - Seon Yeong Hwang
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
| | - Byoung Soo Kim
- School of Biomedical Convergence Engineering, Pusan National University, Yangsan 626-870, Republic of Korea
| | - Dongjun Lee
- Department of Convergence Medicine, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
| | - Yong Jung Song
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
- Department of Obstetrics and Gynecology, Pusan National University Yangsan Hospital and Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
| | - Hwi-Gon Kim
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
- Department of Obstetrics and Gynecology, Pusan National University Yangsan Hospital and Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
| | - Sik Yoon
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
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Dixit G, Pappas BA, Bhardwaj G, Schanz W, Maretzky T. Functional Distinctions of Endometrial Cancer-Associated Mutations in the Fibroblast Growth Factor Receptor 2 Gene. Cells 2023; 12:2227. [PMID: 37759450 PMCID: PMC10526318 DOI: 10.3390/cells12182227] [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: 07/05/2023] [Revised: 08/25/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Functional analysis of somatic mutations in tumorigenesis facilitates the development and optimization of personalized therapy for cancer patients. The fibroblast growth factor receptor 2 (FGFR2) gene is frequently mutated in endometrial cancer (EC), but the functional implications of FGFR2 mutations in cancer development remain largely unexplored. In this study, we introduced a reliable and readily deployable screening method to investigate the effects of FGFR2 mutations. We demonstrated that distinct mutations in FGFR2 can lead to differential downstream consequences, specifically affecting a disintegrin- and metalloprotease 17 (ADAM17)-dependent shedding of the epidermal growth factor receptor (EGFR) ligand heparin-binding EGF-like growth factor (HB-EGF) and phosphorylation of mitogen-activated protein kinases (MAPKs). Furthermore, we showed that the distribution of mutations within the FGFR2 gene can influence their oncogenic effects. Together, these findings provide important insights into the complex nature of FGFR2 mutations and their potential implications for EC. By unraveling the distinct effects of different mutations, our study contributes to the identification of personalized treatment strategies for patients with FGFR2-mutated cancers. This knowledge has the potential to guide the development of targeted therapies that specifically address the underlying molecular alterations associated with FGFR2 mutations, ultimately improving patient outcomes in EC and potentially other cancer types characterized by FGFR2 mutations.
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Affiliation(s)
- Garima Dixit
- Inflammation Program and Division of Infectious Diseases, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA; (G.D.); (B.A.P.); (W.S.)
| | - Benjamin A. Pappas
- Inflammation Program and Division of Infectious Diseases, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA; (G.D.); (B.A.P.); (W.S.)
| | - Gourav Bhardwaj
- Fraternal Order of Eagles Diabetes Research Center and Division of Endocrinology and Metabolism, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA;
| | - Willow Schanz
- Inflammation Program and Division of Infectious Diseases, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA; (G.D.); (B.A.P.); (W.S.)
| | - Thorsten Maretzky
- Inflammation Program and Division of Infectious Diseases, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA; (G.D.); (B.A.P.); (W.S.)
- Immunology Graduate Program, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
- Holden Comprehensive Cancer Center, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
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Wang J, Yang M, Xu K, Wan X, Xie J, Yu H, Fang J, Wang Z, Xu P. The causal associations between growth factors and constipation: a two-sample Mendelian randomization study. Front Physiol 2023; 14:1204146. [PMID: 37501926 PMCID: PMC10369006 DOI: 10.3389/fphys.2023.1204146] [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: 04/12/2023] [Accepted: 06/28/2023] [Indexed: 07/29/2023] Open
Abstract
Introduction: Certain growth factors (GFs) are associated with constipation, but few studies has analyzed the causal associations between the two. Therefore, this study used two-sample Mendelian randomization (MR) to systematically analyze the causal associations between GF levels and constipation based on data from genome-wide association studies (GWAS). Methods: Both GF and constipation data were obtained from European populations. GFs, as an exposure variable, were obtained from a genetic map of the human plasma proteome containing 3,301 samples, another GWAS dataset on 90 circulating proteins containing 30,931 samples, and a GWAS dataset containing 3,788 samples. Constipation, as an outcome variable, was obtained from the FinnGen project containing 26,919 cases and 282,235 controls and another UK Biobank dataset containing 3,328 cases and 459,682 controls. Single-nucleotide polymorphisms strongly associated with GFs were regarded as instrumental variables. Inverse-variance weighting, MR-Egger regression, weight median, simple mode, and weight mode methods were used to determine genetic associations. Cochran's Q test, Egger intercept, and Mendelian Randomization Pleiotropy RESidual Sum and Outlier tests were used to analyze sensitivity. Results: The IVW analysis based on FinnGen showed that NGFI-A-binding protein 2 and vascular endothelial growth factor receptor 2 were inversely associated with constipation, and that fibroblast growth factor 7 and transforming growth factor beta receptor II levels were positively associated with constipation. The IVW analysis based on UK Biobank showed that proheparin-binding epidermal growth factor, platelet-derived growth factor AA, and vascular endothelial growth factor121 were inversely associated with constipation. Conclusion: This study showed that some GFs are genetically associated with the risk of constipation.
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Affiliation(s)
- Jiachen Wang
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Mingyi Yang
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Ke Xu
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Xianjie Wan
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Jiale Xie
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Hui Yu
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Jiaxin Fang
- Department of Clinical Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Zehua Wang
- Department of Clinical Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Peng Xu
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
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8
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Zhang Y, Fu H, Zhang Y, Wang D, Zhao D, Zhang J, Li M, Wang C. Taraxasterol repairs UVB-induced skin barrier injury through MAPK/NF-κB signaling pathways. FOOD AGR IMMUNOL 2022. [DOI: 10.1080/09540105.2022.2107619] [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
Affiliation(s)
- Yuzhi Zhang
- Beijing Key Lab of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People’s Republic of China
- Institute of cosmetic regulatory science, Beijing Technology and Business University, Beijing, People’s Republic of China
| | - Hao Fu
- Beijing Key Lab of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People’s Republic of China
- Institute of cosmetic regulatory science, Beijing Technology and Business University, Beijing, People’s Republic of China
| | - Yongtao Zhang
- Beijing Key Lab of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People’s Republic of China
- Institute of cosmetic regulatory science, Beijing Technology and Business University, Beijing, People’s Republic of China
| | - Dongdong Wang
- Beijing Key Lab of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People’s Republic of China
- Institute of cosmetic regulatory science, Beijing Technology and Business University, Beijing, People’s Republic of China
| | - Dan Zhao
- Beijing Key Lab of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People’s Republic of China
- Institute of cosmetic regulatory science, Beijing Technology and Business University, Beijing, People’s Republic of China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, People’s Republic of China
| | - Jiachan Zhang
- Beijing Key Lab of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People’s Republic of China
- Institute of cosmetic regulatory science, Beijing Technology and Business University, Beijing, People’s Republic of China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, People’s Republic of China
| | - Meng Li
- Beijing Key Lab of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People’s Republic of China
- Institute of cosmetic regulatory science, Beijing Technology and Business University, Beijing, People’s Republic of China
| | - Changtao Wang
- Beijing Key Lab of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People’s Republic of China
- Institute of cosmetic regulatory science, Beijing Technology and Business University, Beijing, People’s Republic of China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, People’s Republic of China
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9
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Amidzadeh Z, Yasami‐Khiabani S, Rahimi H, Bonakdar S, Shams D, Habibi‐Anbouhi M, Golkar M, Shokrgozar MA. Enhancement of keratinocyte growth factor potential in inducing adipose‐derived stem cells differentiation into keratinocytes by collagen‐targeting. J Cell Mol Med 2022; 26:5929-5942. [DOI: 10.1111/jcmm.17619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 10/17/2022] [Accepted: 10/28/2022] [Indexed: 11/24/2022] Open
Affiliation(s)
- Zahra Amidzadeh
- National Cell Bank of Iran Pasteur Institute of Iran Tehran Iran
- Department of Parasitology Pasteur Institute of Iran Tehran Iran
| | | | - Hamzeh Rahimi
- Department of Molecular Medicine, Biotechnology Research Center Pasteur Institute of Iran Tehran Iran
| | - Shahin Bonakdar
- National Cell Bank of Iran Pasteur Institute of Iran Tehran Iran
| | - Davoud Shams
- National Cell Bank of Iran Pasteur Institute of Iran Tehran Iran
| | | | - Majid Golkar
- Department of Parasitology Pasteur Institute of Iran Tehran Iran
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10
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Meng L, Liao X, Wang Y, Chen L, Gao W, Wang M, Dai H, Yan N, Gao Y, Wu X, Wang K, Liu Q. Pharmacologic therapies of ARDS: From natural herb to nanomedicine. Front Pharmacol 2022; 13:930593. [PMID: 36386221 PMCID: PMC9651133 DOI: 10.3389/fphar.2022.930593] [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: 10/03/2022] [Indexed: 12/15/2022] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a common critical illness in respiratory care units with a huge public health burden. Despite tremendous advances in the prevention and treatment of ARDS, it remains the main cause of intensive care unit (ICU) management, and the mortality rate of ARDS remains unacceptably high. The poor performance of ARDS is closely related to its heterogeneous clinical syndrome caused by complicated pathophysiology. Based on the different pathophysiology phases, drugs, protective mechanical ventilation, conservative fluid therapy, and other treatment have been developed to serve as the ARDS therapeutic methods. In recent years, there has been a rapid development in nanomedicine, in which nanoparticles as drug delivery vehicles have been extensively studied in the treatment of ARDS. This study provides an overview of pharmacologic therapies for ARDS, including conventional drugs, natural medicine therapy, and nanomedicine. Particularly, we discuss the unique mechanism and strength of nanomedicine which may provide great promises in treating ARDS in the future.
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Affiliation(s)
- Linlin Meng
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
- Department of Critical Care Medicine, Shanghai East Hospital, School of medicine, Tongji University, China
| | - Ximing Liao
- Department of Critical Care Medicine, Shanghai East Hospital, School of medicine, Tongji University, China
| | - Yuanyuan Wang
- Department of Critical Care Medicine, Shanghai East Hospital, School of medicine, Tongji University, China
| | - Liangzhi Chen
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Wei Gao
- Department of Critical Care Medicine, Shanghai East Hospital, School of medicine, Tongji University, China
| | - Muyun Wang
- Department of Critical Care Medicine, Shanghai East Hospital, School of medicine, Tongji University, China
| | - Huiling Dai
- Department of Critical Care Medicine, Shanghai East Hospital, School of medicine, Tongji University, China
| | - Na Yan
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Yixuan Gao
- Department of Gynecology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Xu Wu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Kun Wang
- Department of Critical Care Medicine, Shanghai East Hospital, School of medicine, Tongji University, China
- *Correspondence: Kun Wang, ; Qinghua Liu,
| | - Qinghua Liu
- Department of Critical Care Medicine, Shanghai East Hospital, School of medicine, Tongji University, China
- *Correspondence: Kun Wang, ; Qinghua Liu,
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11
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Hynds RE. Exploiting the potential of lung stem cells to develop pro-regenerative therapies. Biol Open 2022; 11:bio059423. [PMID: 36239242 PMCID: PMC9581519 DOI: 10.1242/bio.059423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Acute and chronic lung diseases are a leading cause of morbidity and mortality globally. Unfortunately, these diseases are increasing in frequency and we have limited treatment options for severe lung diseases. New therapies are needed that not only treat symptoms or slow disease progression, but also enable the regeneration of functional lung tissue. Both airways and alveoli contain populations of epithelial stem cells with the potential to self-renew and produce differentiated progeny. Understanding the mechanisms that determine the behaviour of these cells, and their interactions with their niches, will allow future generations of respiratory therapies that protect the lungs from disease onset, promote regeneration from endogenous stem cells or enable regeneration through the delivery of exogenous cells. This review summarises progress towards each of these goals, highlighting the challenges and opportunities of developing pro-regenerative (bio)pharmaceutical, gene and cell therapies for respiratory diseases.
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Affiliation(s)
- Robert E. Hynds
- Epithelial Cell Biology in ENT Research (EpiCENTR) Group, Developmental Biology and Cancer Department, UCL Great Ormond Street Institute of Child Health, University College London, London, WC1N 1DZ, UK
- UCL Cancer Institute, University College London, London, WC1E 6DD, UK
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12
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Lian AA, Yamaji Y, Kajiwara K, Takaki K, Mori H, Liew MWO, Kotani E, Maruta R. A Bioengineering Approach for the Development of Fibroblast Growth Factor-7-Functionalized Sericin Biomaterial Applicable for the Cultivation of Keratinocytes. Int J Mol Sci 2022; 23:ijms23179953. [PMID: 36077351 PMCID: PMC9456417 DOI: 10.3390/ijms23179953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/21/2022] [Accepted: 08/30/2022] [Indexed: 12/04/2022] Open
Abstract
Growth factors, including fibroblast growth factor-7 (FGF-7), are a group of proteins that stimulate various cellular processes and are often used with carriers to prevent the rapid loss of their activities. Sericin with great biocompatibility has been investigated as a proteinaceous carrier to enhance the stability of incorporated proteins. The difficulties in obtaining intact sericin from silkworm cocoons and the handling of growth factors with poor stability necessitate an efficient technique to incorporate the protein into a sericin-based biomaterial. Here, we report the generation of a transgenic silkworm line simultaneously expressing and incorporating FGF-7 into cocoon shells containing almost exclusively sericin. Growth-factor-functionalized sericin cocoon shells requiring simple lyophilization and pulverization processes were successfully used to induce the proliferation and migration of keratinocytes. Moreover, FGF-7 incorporated into sericin-cocoon powder exhibited remarkable stability, with more than 70% of bioactivity being retained after being stored as a suspension at 25 °C for 3 months. Transgenic sericin-cocoon powder was used to continuously supply biologically active FGF-7 to generate a three-dimensionally cultured keratinocyte model in vitro. The outcomes of this study propound a feasible approach to producing cytokine-functionalized sericin materials that are ready to use for cell cultivation.
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Affiliation(s)
- Ai Ai Lian
- Department of Applied Biology, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
| | - Yuka Yamaji
- Department of Applied Biology, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
| | - Kazuki Kajiwara
- Department of Applied Biology, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
| | - Keiko Takaki
- Department of Applied Biology, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
- Biomedical Research Center, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
| | - Hajime Mori
- Department of Applied Biology, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
| | - Mervyn Wing On Liew
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden 11800, Penang, Malaysia
| | - Eiji Kotani
- Department of Applied Biology, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
- Biomedical Research Center, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
- Correspondence: (E.K.); (R.M.); Tel.: +81-75-724-7774 (E.K. & R.M.)
| | - Rina Maruta
- Department of Applied Biology, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
- Correspondence: (E.K.); (R.M.); Tel.: +81-75-724-7774 (E.K. & R.M.)
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13
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Cardinale A, De Luca CD, Locatelli F, Velardi E. Thymic Function and T-Cell Receptor Repertoire Diversity: Implications for Patient Response to Checkpoint Blockade Immunotherapy. Front Immunol 2021; 12:752042. [PMID: 34899700 PMCID: PMC8652142 DOI: 10.3389/fimmu.2021.752042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 11/05/2021] [Indexed: 01/05/2023] Open
Abstract
The capacity of T cells to recognize and mount an immune response against tumor antigens depends on the large diversity of the T-cell receptor (TCR) repertoire generated in the thymus during the process of T-cell development. However, this process is dramatically impaired by immunological insults, such as that caused by cytoreductive cancer therapies and infections, and by the physiological decline of thymic function with age. Defective thymic function and a skewed TCR repertoire can have significant clinical consequences. The presence of an adequate pool of T cells capable of recognizing specific tumor antigens is a prerequisite for the success of cancer immunotherapy using checkpoint blockade therapy. However, while this approach has improved the chances of survival of patients with different types of cancer, a large proportion of them do not respond. The limited response rate to checkpoint blockade therapy may be linked to a suboptimal TCR repertoire in cancer patients prior to therapy. Here, we focus on the role of the thymus in shaping the T-cell pool in health and disease, discuss how the TCR repertoire influences patients’ response to checkpoint blockade therapy and highlight approaches able to manipulate thymic function to enhance anti-tumor immunity.
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Affiliation(s)
- Antonella Cardinale
- Department of Pediatric Hematology and Oncology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | | | - Franco Locatelli
- Department of Pediatric Hematology and Oncology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy.,Department of Maternal and Child Health, Sapienza University of Rome, Rome, Italy
| | - Enrico Velardi
- Department of Pediatric Hematology and Oncology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
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14
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Sadeghi S, Kalhor H, Panahi M, Abolhasani H, Rahimi B, Kalhor R, Mehrabi A, Vahdatinia M, Rahimi H. Keratinocyte growth factor in focus: A comprehensive review from structural and functional aspects to therapeutic applications of palifermin. Int J Biol Macromol 2021; 191:1175-1190. [PMID: 34606789 DOI: 10.1016/j.ijbiomac.2021.09.151] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/21/2021] [Accepted: 09/22/2021] [Indexed: 11/29/2022]
Abstract
Palifermin (Kepivance™) is the first therapeutic approved by the Food and Drug Administration for preventing and managing the oral mucositis provoked by myelotoxic and mucotoxic therapies. Palifermin is a recombinant protein generated from human keratinocyte growth factor (KGF) and imitates the function of endogenous KGF. KGF is an epithelial mitogen involved in various biological processes which belongs to the FGF family. KGF possesses a high level of receptor specificity and plays an important role in tissue repair and maintaining of the mucosal barrier integrity. Based on these unique features, palifermin was developed to enhance the growth of damaged epithelial tissues. Administration of palifermin has shown success in the reduction of toxicities of chemotherapy and radiotherapy, and improvement of the patient's quality of life. Notwithstanding all merits, the clinical application of palifermin is limited owing to its instability and production challenges. Hence, a growing number of ongoing researches are designed to deal with these problems and enhance the physicochemical and pharmaceutical properties of palifermin. In the current review, we discuss KGF structure and function, potential therapeutic applications of palifermin, as well as the latest progress in the production of recombinant human KGF and its challenges ahead.
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Affiliation(s)
- Solmaz Sadeghi
- Molecular Medicine Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Hourieh Kalhor
- Molecular Medicine Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran; Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran
| | - Mohammad Panahi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hoda Abolhasani
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran; Department of Pharmacology, School of Medicine, Qom University of Medical Sciences, Qom, Iran
| | - Bahareh Rahimi
- Department of Medical Biotechnology, Faculty of Applied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Reyhaneh Kalhor
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran; Department of Genetics, Colleague of Sciences, Kazerun Branch, Islamic Azad University, Kazerun, Iran
| | - Amirmehdi Mehrabi
- Department of Pharmacoeconomy & Administrative Pharmacy, School Of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Mahsa Vahdatinia
- Molecular Medicine Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Hamzeh Rahimi
- Molecular Medicine Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.
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15
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Shantha Kumara HMC, Shah A, Miyagaki H, Yan X, Cekic V, Hedjar Y, Whelan RL. Plasma Levels of Keratinocyte Growth Factor Are Significantly Elevated for 5 Weeks After Minimally Invasive Colorectal Resection Which May Promote Cancer Recurrence and Metastasis. Front Surg 2021; 8:745875. [PMID: 34820416 PMCID: PMC8606552 DOI: 10.3389/fsurg.2021.745875] [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: 07/22/2021] [Accepted: 10/08/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Human Keratinocyte Growth Factor (KGF) is an FGF family protein produced by mesenchymal cells. KGF promotes epithelial cell proliferation, plays a role in wound healing and may also support tumor growth. It is expressed by some colorectal cancers (CRC). Surgery's impact on KGF levels is unknown. This study's purpose was to assess plasma KGF levels before and after minimally invasive colorectal resection (MICR) for CRC. Aim: To determine plasma KGF levels before and after minimally invasive colorectal resection surgery for cancer pathology. Method: CRC MICR patients (pts) in an IRB approved data/plasma bank were studied. Pre-operative (pre-op) and post-operative (post-op) plasma samples were taken/stored. Late samples were bundled into 7 day blocks and considered as single time points. KGF levels (pg/ml) were measured via ELISA (mean ± SD). The Wilcoxon paired t-test was used for statistical analysis. Results: Eighty MICR CRC patients (colon 61%; rectal 39%; mean age 65.8 ± 13.3) were studied. The mean incision length was 8.37 ± 3.9 and mean LOS 6.5 ± 2.6 days. The cancer stage breakdown was; I (23), II (26), III (27), and IV (4). The median pre-op KGF level was 17.1 (95 %CI: 14.6-19.4; n = 80); significantly elevated (p < 0.05) median levels (pg/ml) were noted on post-op day (POD) 1 (23.4 pg/ml; 95% CI: 21.4-25.9; n = 80), POD 3 (22.5 pg/ml; 95% CI: 20.7-25.9; n = 76), POD 7-13 (21.8 pg/ml; 95% CI: 17.7-25.4; n = 50), POD 14-20 (20.1 pg/ml; 95% CI: 17.1-23.9; n = 33), POD 21-27 (19.6 pg/ml; 95% CI: 15.2-24.9; n = 15) and on POD 28-34 (16.7 pg/ml; 95% CI: 14.0-25.8; n = 12). Conclusion: Plasma KGF levels were significantly elevated for 5 weeks after MICR for CRC. The etiology of these changes is unclear, surgical trauma related acute inflammatory response and wound healing process may play a role. These changes, may stimulate angiogenesis in residual tumor deposits after surgery.
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Affiliation(s)
- H M C Shantha Kumara
- Division of Colon and Rectal Surgery, Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY, United States
| | - Abhinit Shah
- Division of Colon and Rectal Surgery, Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY, United States
| | | | - Xiaohong Yan
- Division of Colon and Rectal Surgery, Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY, United States
| | - Vesna Cekic
- Division of Colon and Rectal Surgery, Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY, United States
| | - Yanni Hedjar
- Division of Colon and Rectal Surgery, Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY, United States
| | - Richard L Whelan
- Division of Colon and Rectal Surgery, Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY, United States.,Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
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16
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Liu X, Bai M, Sun Y, Hu X, Wang C, Xie J, Ye L. FGF7-induced E11 facilitates cell-cell communication through connexin43. Int J Biol Sci 2021; 17:3862-3874. [PMID: 34671204 PMCID: PMC8495393 DOI: 10.7150/ijbs.65240] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 08/26/2021] [Indexed: 02/05/2023] Open
Abstract
Fibroblast growth factors (FGFs) include a large family of growth factors that play a critical role in maintaining bone homeostasis, but the specific role of its members such as FGF7 does not well understand. Osteoblasts are a kind of major cells essential for bone formation. Osteoblasts interact with one another to create the unique structure of osteons. The well-connected osteons constitute the cortical bone. As an early osteocyte marker that triggers actin cytoskeleton dynamics, E11 is essential for osteoblasts' dendrites formation. However, the upstream which regulates E11 is mainly unknown. The purpose of this study was to examine the influence of FGF7 on the expression and the distribution of E11 in osteoblasts, which mediated osteoblasts' processes formation and gap junctional intercellular communication (GJIC) partly through connexin43 (Cx43). We first demonstrated that FGF7 increased the expression of E11 in osteoblasts. We then showed that FGF7 promoted osteoblasts' dendrites elongation and functional gap junctions formation. Furthermore, E11 interacted directly with Cx43 in primary osteoblasts. MAPK pathway and PI3K-AKT pathway were involved in the effect of FGF7. Our results shed light on the unique role of FGF7 on osteoblasts, which may indicate that FGF7 plays a more significant role in the later stages of bone development and homeostasis.
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Affiliation(s)
- Xiaoyu Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Mingru Bai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yimin Sun
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Xuchen Hu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Chenglin Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Jing Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Ling Ye
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
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17
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Tee YN, Kumar PV, Maki MAA, Elumalai M, Rahman SAKMEH, Cheah SC. Mucoadhesive Low Molecular Chitosan Complexes to Protect rHuKGF from Proteolysis: In-vitro Characterization and FHs 74 Int Cell Proliferation Studies. Curr Pharm Biotechnol 2021; 22:969-982. [PMID: 33342408 DOI: 10.2174/1389201021666201218124450] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 09/15/2020] [Accepted: 10/24/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND Recombinant Keratinocyte Growth Factor (rHuKGF) is a therapeutic protein used widely in oral mucositis after chemotherapy in various cancers, stimulating lung morphogenesis and gastrointestinal tract cell proliferation. In this research study, chitosan-rHuKGF polymeric complex was implemented to improve the stability of rHuKGF and used as rejuvenation therapy for the treatment of oral mucositis in cancer patients. OBJECTIVE Complexation of rHuKGF with mucoadhesive low molecular weight chitosan to protect rHuKGF from proteolysis and investigate the effect of chitosan-rHuKGF complex on the proliferation rate of FHs 74 Int cells. METHODS The interaction between chitosan and rHuKGF was studied by molecular docking. Malvern ZetaSizer Nano Zs and Fourier-Transform Infrared spectroscopy (FTIR) tests were carried out to characterize the chitosan-rHuKGF complex. In addition, SDS-PAGE was performed to investigate the interaction between chitosan-rHuKGF complex and pepsin. The effect of chitosan-rHuKGF complex on the proliferation rate of FHs 74 Int cells was studied by MTT assay. RESULTS Chitosan-rHuKGF complex was formed through the hydrogen bonding proven by the docking studies. A stable chitosan-rHuKGF complex was formed at pH 4.5 and was protected from proteolysis and assessed by SDS PAGE. According to the MTT assay results, chitosan-rHuKGF complex increased the cell proliferation rate of FHs 74 Int cells. CONCLUSION The developed complex improved the stability and the biological function of rHuKGF.
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Affiliation(s)
- Yi N Tee
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, UCSI University, No. 1, Jalan Menara Gading, Taman Connaught, Cheras 56000 Kuala Lumpur, Malaysia
| | - Palanirajan V Kumar
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, UCSI University, No. 1, Jalan Menara Gading, Taman Connaught, Cheras 56000 Kuala Lumpur, Malaysia
| | - Marwan A A Maki
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, UCSI University, No. 1, Jalan Menara Gading, Taman Connaught, Cheras 56000 Kuala Lumpur, Malaysia
| | - Manogaran Elumalai
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, UCSI University, No. 1, Jalan Menara Gading, Taman Connaught, Cheras 56000 Kuala Lumpur, Malaysia
| | - Shiek A K M E H Rahman
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, UCSI University, No. 1, Jalan Menara Gading, Taman Connaught, Cheras 56000 Kuala Lumpur, Malaysia
| | - Shiau-Chuen Cheah
- Faculty of Medicine & Health Sciences, UCSI University, No. 1, Jalan Menara Gading, Taman Connaught, Cheras 56000 Kuala Lumpur, Malaysia
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18
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Epstein RJ, Tian LJ, Gu YF. 2b or Not 2b: How Opposing FGF Receptor Splice Variants Are Blocking Progress in Precision Oncology. JOURNAL OF ONCOLOGY 2021; 2021:9955456. [PMID: 34007277 PMCID: PMC8110382 DOI: 10.1155/2021/9955456] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 04/21/2021] [Indexed: 01/16/2023]
Abstract
More than ten thousand peer-reviewed studies have assessed the role of fibroblast growth factors (FGFs) and their receptors (FGFRs) in cancer, but few patients have yet benefited from drugs targeting this molecular family. Strategizing how best to use FGFR-targeted drugs is complicated by multiple variables, including RNA splicing events that alter the affinity of ligands for FGFRs and hence change the outcomes of stromal-epithelial interactions. The effects of splicing are most relevant to FGFR2; expression of the FGFR2b splice isoform can restore apoptotic sensitivity to cancer cells, whereas switching to FGFR2c may drive tumor progression by triggering epithelial-mesenchymal transition. The differentiating and regulatory actions of wild-type FGFR2b contrast with the proliferative actions of FGFR1 and FGFR3, and may be converted to mitogenicity either by splice switching or by silencing of tumor suppressor genes such as CDH1 or PTEN. Exclusive use of small-molecule pan-FGFR inhibitors may thus cause nonselective blockade of FGFR2 isoforms with opposing actions, undermining the rationale of FGFR2 drug targeting. This splice-dependent ability of FGFR2 to switch between tumor-suppressing and -driving functions highlights an unmet oncologic need for isoform-specific drug targeting, e.g., by antibody inhibition of ligand-FGFR2c binding, as well as for more nuanced molecular pathology prediction of FGFR2 actions in different stromal-tumor contexts.
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Affiliation(s)
- Richard J. Epstein
- New Hope Cancer Center, Beijing United Hospital, 9-11 Jiangtai West Rd, Chaoyang, Beijing 100015, China
- Garvan Institute of Medical Research and UNSW Clinical School, 84 Victoria St, Darlinghurst 2010 Sydney, Australia
| | - Li Jun Tian
- New Hope Cancer Center, Beijing United Hospital, 9-11 Jiangtai West Rd, Chaoyang, Beijing 100015, China
| | - Yan Fei Gu
- New Hope Cancer Center, Beijing United Hospital, 9-11 Jiangtai West Rd, Chaoyang, Beijing 100015, China
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19
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Dordoe C, Chen K, Huang W, Chen J, Hu J, Wang X, Lin L. Roles of Fibroblast Growth Factors and Their Therapeutic Potential in Treatment of Ischemic Stroke. Front Pharmacol 2021; 12:671131. [PMID: 33967812 PMCID: PMC8102031 DOI: 10.3389/fphar.2021.671131] [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: 02/24/2021] [Accepted: 03/31/2021] [Indexed: 11/13/2022] Open
Abstract
Stroke is the leading cause of death worldwide, and its treatment remains a challenge. Complex pathological processes are involved in stroke, which causes a reduction in the supply of oxygen and energy to the brain that triggers subsequent cascade events, such as oxidative stress, inflammatory responses and apoptosis, resulting in brain injury. Stroke is a devastating disease for which there are few treatments, but physical rehabilitation can help improve stroke recovery. Although there are very few treatments for stroke patients, the discovery of fibroblast growth factors (FGFs) in mammals has led to the finding that FGFs can effectively treat stroke in animal models. As presented in this review, FGFs play essential roles by functioning as homeostatic factors and controlling cells and hormones involved in metabolism. They could be used as effective therapeutic agents for stroke. In this review, we will discuss the pharmacological actions of FGFs on multiple targets, including their ability to directly promote neuron survival, enhance angiogenesis, protect against blood-brain barrier (BBB) disruption, and regulate microglial modulation, in the treatment of ischemic stroke and their theoretical mechanisms and actions, as well as the therapeutic potential and limitations of FGFs for the clinical treatment of stroke.
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Affiliation(s)
- Confidence Dordoe
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Keyang Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China.,Department of Neurology, The Second Affiliated Hospital and Yuying Children' Hospital of Wenzhou Medical University, Wenzhou, China
| | - Wenting Huang
- School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jun Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jian Hu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Xue Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Li Lin
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China.,Research Units of Clinical Translation of Cell Growth Factors and Diseases Research, Chinese Academy of Medical Science, Beijing, China
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20
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Pansani TN, Cardoso LM, Augusto LA, Ribeiro IM, de Souza Costa CA, Basso FG. Effects of EGF-coated titanium surfaces on adhesion and metabolism of bisphosphonate-treated human keratinocytes and gingival fibroblasts. Clin Oral Investig 2021; 25:5775-5784. [PMID: 33852064 DOI: 10.1007/s00784-021-03880-1] [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: 12/04/2020] [Accepted: 03/10/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To assess the effects of epidermal growth factor (EGF)-coated titanium (Ti) discs on the adhesion and metabolism of keratinocytes and gingival fibroblasts exposed to nitrogen-containing bisphosphonates. MATERIALS AND METHODS Keratinocytes and fibroblasts were seeded (1 × 105 cells/disc) on Ti discs coated with EGF (100 nM). After 24 h, cells were exposed or not to sodium alendronate (SA) or zoledronic acid (ZA) at different concentrations (0 = control, 0.5, 1, or 5 μM) for 48 h. Cell adhesion to the substrates was evaluated by fluorescence microscopy. Cell viability (alamarBlue, n = 6) and synthesis of vascular endothelial growth factor (VEGF), matrix metalloproteinase-2 (MMP-2), and keratinocytes growth factor (KGF) (ELISA, n = 6) were assessed. Data were statistically analyzed by one-way ANOVA and Tukey tests (α = 0.05). RESULTS Higher cell adhesion rate was observed when keratinocytes and fibroblasts were seeded onto EGF-coated discs in comparison to uncoated discs. ZA treatment hindered the adhesion of both cell lines on the Ti discs as well as reduced the viability and synthesis of VEGF, KGF and MMP-2 by cells (p < 0.05). SA treatment did not affect cell viability, but interfered negatively on the adhesion and synthesis of EGF and KGF by the cells (p < 0.05). EGF-coated surface increased cell viability and synthesis of growth factors as well as downregulated the synthesis of MMP-2 in comparison to control (p < 0.05). CONCLUSION EGF applied on Ti surface improves the biological responses of oral mucosa cells exposed to SA and ZA. CLINICAL RELEVANCE EGF-coating on titanium may be a suitable strategy to improve oral mucosa cellular events related to biological sealing, especially for patients under bisphosphonate therapy.
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Affiliation(s)
- Taisa Nogueira Pansani
- Department of Dental Materials and Prosthodontics, Araraquara School of Dentistry, São Paulo State University (UNESP), Araraquara, Brazil
| | - Laís Medeiros Cardoso
- Department of Dental Materials and Prosthodontics, Araraquara School of Dentistry, São Paulo State University (UNESP), Araraquara, Brazil
| | | | | | - Carlos Alberto de Souza Costa
- Department of Physiology and Pathology, Araraquara School of Dentistry, São Paulo State University (UNESP), Araraquara, SP, Brazil
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21
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Kritmetapak K, Losbanos L, Berent TE, Ashrafzadeh-Kian SL, Algeciras-Schimnich A, Hines JM, Singh RJ, Kumar R. Hyperphosphatemia with elevated serum PTH and FGF23, reduced 1,25(OH) 2D and normal FGF7 concentrations characterize patients with CKD. BMC Nephrol 2021; 22:114. [PMID: 33784965 PMCID: PMC8011073 DOI: 10.1186/s12882-021-02311-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 03/12/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Hyperphosphatemia confers adverse cardiovascular outcomes, and commonly occurs in late-stage CKD. Fibroblast growth factor 7 (FGF7) is a phosphaturic peptide which decreases renal phosphate transport in vitro and in vivo. Serum FGF7 concentrations are reduced in hyperphosphatemic patients with hypophosphatasia and are elevated in some hypophosphatemic patients with tumor-induced osteomalacia. No data, however, are available on whether circulating FGF7 concentrations increase to compensate for phosphate retention in CKD patients. METHODS This was a cross-sectional study performed among 85 adult patients with varying estimated glomerular filtration rates (eGFR). We measured serum intact FGF7 (iFGF7) concentration using an iFGF7 immunoassay and determined its associated factors. Relationships between eGFR and mineral metabolism biomarkers [phosphate, iFGF7, iFGF23, parathyroid hormone (PTH), and 1,25-dihydroxyvitamin D (1,25(OH)2D)] were explored. RESULTS For eGFRs of ≥ 60 (n = 31), 45-59 (n = 16), 30-44 (n = 11), 15-29 (n = 15), and < 15 mL/min/1.73 m2 (n = 12), median (IQ25-75) iFGF7 concentrations were 46.1 (39.2-56.9), 43.1 (39.0-51.5), 47.3 (38.3-66.5), 47.7 (37.7-55.8), and 49.6 (42.5-65.6) pg/mL, respectively (P = 0.62). Significant increases in serum iFGF23, PTH, and phosphate were observed at eGFRs of < 33 (95 % CI, 26.40-40.05), < 29 (95 % CI, 22.51-35.36), and < 22 mL/min/1.73 m2 (95 % CI, 19.25-25.51), respectively, while significant decreases in serum 1,25(OH)2D were observed at an eGFR of < 52 mL/min/1.73 m2 (95 % CI, 42.57-61.43). No significant correlation was found between serum iFGF7 and phosphate, iFGF23, PTH or 1,25(OH)2D. In multivariable analyses, body mass index (per 5 kg/m2 increase) was independently associated with the highest quartile of serum iFGF7 concentration (OR, 1.20; 95 % CI, 1.12-1.55). CONCLUSIONS Compensatory decreases in circulating 1,25(OH)2D and increases in circulating iFGF23 and PTH, but not iFGF7, facilitate normalization of serum phosphate concentration in early stages of CKD. Whether other circulating phosphaturic peptides change in response to phosphate retention in CKD patients deserves further study.
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Affiliation(s)
- Kittrawee Kritmetapak
- Division of Nephrology and Hypertension, Department of Internal Medicine, Mayo Clinic, 200 1st Street SW, MN, 55905, Rochester, USA.,Division of Nephrology, Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Louis Losbanos
- Division of Nephrology and Hypertension, Department of Internal Medicine, Mayo Clinic, 200 1st Street SW, MN, 55905, Rochester, USA
| | - Taylor E Berent
- Division of Nephrology and Hypertension, Department of Internal Medicine, Mayo Clinic, 200 1st Street SW, MN, 55905, Rochester, USA
| | | | - Alicia Algeciras-Schimnich
- Clinical Immunoassay Laboratory, Mayo Clinic, MN, Rochester, USA.,Department of Laboratory Medicine and Pathology, Mayo Clinic, MN, Rochester, USA
| | - Jolaine M Hines
- Immunochemical Core Laboratory, Mayo Clinic, MN, Rochester, USA
| | - Ravinder J Singh
- Department of Laboratory Medicine and Pathology, Mayo Clinic, MN, Rochester, USA
| | - Rajiv Kumar
- Division of Nephrology and Hypertension, Department of Internal Medicine, Mayo Clinic, 200 1st Street SW, MN, 55905, Rochester, USA. .,Department of Biochemistry and Molecular Biology, Mayo Clinic, MN, Rochester, USA.
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22
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Yap YA, McLeod KH, McKenzie CI, Gavin PG, Davalos-Salas M, Richards JL, Moore RJ, Lockett TJ, Clarke JM, Eng VV, Pearson JS, Hamilton-Williams EE, Mackay CR, Mariño E. An acetate-yielding diet imprints an immune and anti-microbial programme against enteric infection. Clin Transl Immunology 2021; 10:e1233. [PMID: 33489123 PMCID: PMC7809703 DOI: 10.1002/cti2.1233] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 11/16/2020] [Accepted: 12/09/2020] [Indexed: 12/19/2022] Open
Abstract
Objectives During gastrointestinal infection, dysbiosis can result in decreased production of microbially derived short‐chain fatty acids (SCFAs). In response to the presence of intestinal pathogens, we examined whether an engineered acetate‐ or butyrate‐releasing diet can rectify the deficiency of SCFAs and lead to the resolution of enteric infection. Methods We tested whether a high acetate‐ or butyrate‐producing diet (HAMSA or HAMSB, respectively) condition Citrobacterrodentium infection in mice and assess its impact on host‐microbiota interactions. We analysed the adaptive and innate immune responses, changes in gut microbiome function, epithelial barrier function and the molecular mechanism via metabolite sensing G protein‐coupled receptor 43 (GPR43) and IL‐22 expression. Results HAMSA diet rectified the deficiency in acetate production and protected against enteric infection. Increased SCFAs affect the expression of pathogen virulence genes. HAMSA diet promoted compositional and functional changes in the gut microbiota during infection similar to healthy microbiota from non‐infected mice. Bacterial changes were evidenced by the production of proteins involved in acetate utilisation, starch and sugar degradation, amino acid biosynthesis, carbohydrate transport and metabolism. HAMSA diet also induced changes in host proteins critical in glycolysis, wound healing such as GPX1 and epithelial architecture such as EZR1 and PFN1. Dietary acetate assisted in rapid epithelial repair, as shown by increased colonic Muc‐2, Il‐22, and anti‐microbial peptides. We found that acetate increased numbers of colonic IL‐22 producing TCRαβ+CD8αβ+ and TCRγδ+CD8αα+ intraepithelial lymphocytes expressing GPR43. Conclusion HAMSA diet may be an effective therapeutic approach for fighting inflammation and enteric infections and offer a safe alternative that may impact on human health.
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Affiliation(s)
- Yu Anne Yap
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - Keiran H McLeod
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - Craig I McKenzie
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - Patrick G Gavin
- The University of Queensland Diamantina Institute The University of Queensland Brisbane QLD Australia
| | - Mercedes Davalos-Salas
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - James L Richards
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - Robert J Moore
- Department of Microbiology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia.,School of Science RMIT University Bundoora VIC Australia
| | | | | | - Vik Ven Eng
- Department of Microbiology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia.,Centre for Innate Immunity and Infectious Diseases Hudson Institute of Medical Research Clayton, Melbourne VIC Australia
| | - Jaclyn S Pearson
- Department of Microbiology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia.,Centre for Innate Immunity and Infectious Diseases Hudson Institute of Medical Research Clayton, Melbourne VIC Australia.,Department of Molecular and Translational Research Monash University Clayton, Melbourne VIC Australia
| | - Emma E Hamilton-Williams
- The University of Queensland Diamantina Institute The University of Queensland Brisbane QLD Australia
| | - Charles R Mackay
- Department of Microbiology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - Eliana Mariño
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
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23
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Lagatuz M, Vyas RJ, Predovic M, Lim S, Jacobs N, Martinho M, Valizadegan H, Kao D, Oza N, Theriot CA, Zanello SB, Taibbi G, Vizzeri G, Dupont M, Grant MB, Lindner DJ, Reinecker HC, Pinhas A, Chui TY, Rosen RB, Moldovan N, Vickerman MB, Radhakrishnan K, Parsons-Wingerter P. Vascular Patterning as Integrative Readout of Complex Molecular and Physiological Signaling by VESsel GENeration Analysis. J Vasc Res 2021; 58:207-230. [PMID: 33839725 PMCID: PMC9903340 DOI: 10.1159/000514211] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 12/23/2020] [Indexed: 11/19/2022] Open
Abstract
The molecular signaling cascades that regulate angiogenesis and microvascular remodeling are fundamental to normal development, healthy physiology, and pathologies such as inflammation and cancer. Yet quantifying such complex, fractally branching vascular patterns remains difficult. We review application of NASA's globally available, freely downloadable VESsel GENeration (VESGEN) Analysis software to numerous examples of 2D vascular trees, networks, and tree-network composites. Upon input of a binary vascular image, automated output includes informative vascular maps and quantification of parameters such as tortuosity, fractal dimension, vessel diameter, area, length, number, and branch point. Previous research has demonstrated that cytokines and therapeutics such as vascular endothelial growth factor, basic fibroblast growth factor (fibroblast growth factor-2), transforming growth factor-beta-1, and steroid triamcinolone acetonide specify unique "fingerprint" or "biomarker" vascular patterns that integrate dominant signaling with physiological response. In vivo experimental examples described here include vascular response to keratinocyte growth factor, a novel vessel tortuosity factor; angiogenic inhibition in humanized tumor xenografts by the anti-angiogenesis drug leronlimab; intestinal vascular inflammation with probiotic protection by Saccharomyces boulardii, and a workflow programming of vascular architecture for 3D bioprinting of regenerative tissues from 2D images. Microvascular remodeling in the human retina is described for astronaut risks in microgravity, vessel tortuosity in diabetic retinopathy, and venous occlusive disease.
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Affiliation(s)
- Mark Lagatuz
- Redline Performance Solutions, Ames Research Center, National Aeronautics and Space Administration, Moffett Field CA, USA
| | - Ruchi J. Vyas
- Mori Associates, Space Biology Division, Ames Research Center, National Aeronautics and Space Administration, Moffett Field CA, USA
| | - Marina Predovic
- Blue Marble Space Institute of Science, Space Biology Division, Ames Research Center, National Aeronautics and Space Administration, Moffett Field CA, USA
| | - Shiyin Lim
- Blue Marble Space Institute of Science, Space Biology Division, Ames Research Center, National Aeronautics and Space Administration, Moffett Field CA, USA
| | - Nicole Jacobs
- Blue Marble Space Institute of Science, Space Biology Division, Ames Research Center, National Aeronautics and Space Administration, Moffett Field CA, USA
| | - Miguel Martinho
- Universities Space Research Association, Intelligent Systems Division, Exploration Technology Directorate, Ames Research Center, National Aeronautics and Space Administration, Moffett Field CA, USA
| | - Hamed Valizadegan
- Universities Space Research Association, Intelligent Systems Division, Exploration Technology Directorate, Ames Research Center, National Aeronautics and Space Administration, Moffett Field CA, USA
| | - David Kao
- Advanced Supercomputing & Intelligent Systems Divisions, Exploration Technology Directorate, Ames Research Center, National Aeronautics and Space Administration, Moffett Field CA, USA
| | - Nikunj Oza
- Advanced Supercomputing & Intelligent Systems Divisions, Exploration Technology Directorate, Ames Research Center, National Aeronautics and Space Administration, Moffett Field CA, USA
| | - Corey A. Theriot
- Department of Preventive Medicine and Community Health, The University of Texas Medical Branch at Galveston, Galveston, TX, USA,KBRWyle, Johnson Space Center, National Aeronautics and Space Administration, Houston, TX, USA
| | - Susana B. Zanello
- KBRWyle, Johnson Space Center, National Aeronautics and Space Administration, Houston, TX, USA
| | - Giovanni Taibbi
- Department of Ophthalmology and Visual Sciences, The University of Texas Medical Branch at Galveston, Galveston, TX, USA
| | - Gianmarco Vizzeri
- Department of Ophthalmology and Visual Sciences, The University of Texas Medical Branch at Galveston, Galveston, TX, USA
| | - Mariana Dupont
- Department of Ophthalmology and Visual Sciences, School of Medicine, University of Alabama, Birmingham AL, USA
| | - Maria B. Grant
- Department of Ophthalmology and Visual Sciences, School of Medicine, University of Alabama, Birmingham AL, USA
| | - Daniel J. Lindner
- Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland OH, USA
| | - Hans-Christian Reinecker
- Departments of Medicine and Immunology, Division of Digestive and Liver Diseases, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Alexander Pinhas
- Department of Ophthalmology, New York Eye and Ear Infirmary of Mount Sinai, New York, NY, USA
| | - Toco Y. Chui
- Department of Ophthalmology, New York Eye and Ear Infirmary of Mount Sinai, New York, NY, USA
| | - Richard B. Rosen
- Department of Ophthalmology, New York Eye and Ear Infirmary of Mount Sinai, New York, NY, USA,Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Nicanor Moldovan
- Department of Ophthalmology, Indiana University School of Medicine and Indiana University Purdue University at Indianapolis IN, USA,Richard L. Roudebush VA Medical Center, Veteran’s Administration, Indianapolis IN, USA
| | - Mary B. Vickerman
- Data Systems Branch, John Glenn Research Center, National Aeronautics and Space Administration, Cleveland, OH, USA (retired)
| | - Krishnan Radhakrishnan
- Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration, U.S. Department of Health and Human Services, Rockville, MD, USA,College of Medicine, University of Kentucky, Lexington, KY, USA
| | - Patricia Parsons-Wingerter
- Space Biology Division, Space Technology Mission Directorate, Ames Research Center, National Aeronautics and Space Administration, Moffett Field, CA, USA,Low Gravity Exploration Technology, Research and Engineering Directorate, John Glenn Research Center, National Aeronautics and Space Administration, Cleveland, OH, USA
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24
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Computational driven molecular dynamics simulation of keratinocyte growth factor behavior at different pH conditions. INFORMATICS IN MEDICINE UNLOCKED 2021. [DOI: 10.1016/j.imu.2021.100514] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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25
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Abstract
Following periods of haematopoietic cell stress, such as after chemotherapy, radiotherapy, infection and transplantation, patient outcomes are linked to the degree of immune reconstitution, specifically of T cells. Delayed or defective recovery of the T cell pool has significant clinical consequences, including prolonged immunosuppression, poor vaccine responses and increased risks of infections and malignancies. Thus, strategies that restore thymic function and enhance T cell reconstitution can provide considerable benefit to individuals whose immune system has been decimated in various settings. In this Review, we focus on the causes and consequences of impaired adaptive immunity and discuss therapeutic strategies that can recover immune function, with a particular emphasis on approaches that can promote a diverse repertoire of T cells through de novo T cell formation.
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26
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Rujirachotiwat A, Suttamanatwong S. Curcumin Promotes Collagen Type I, Keratinocyte Growth Factor-1, and Epidermal Growth Factor Receptor Expressions in the In Vitro Wound Healing Model of Human Gingival Fibroblasts. Eur J Dent 2020; 15:63-70. [PMID: 33003239 PMCID: PMC7902102 DOI: 10.1055/s-0040-1715781] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Abstract
OBJECTIVE Curcumin promotes oral wound healing; however, the underlying mechanism remains unknown. We hypothesized that curcumin may regulate gene expression in human gingival fibroblasts (hGFs). This study investigated the effect of curcumin on the expression of wound healing-related genes, collagen type I (COL1), keratinocyte growth factor (KGF)-1, and epidermal growth factor receptor (EGFR), in the in vitro wound healing model of hGFs, as well as the signaling pathway involved in the regulation of these genes by curcumin. MATERIALS AND METHODS The hGFs were treated with curcumin in the unwounded condition and in the in vitro wound healing model (scratch assay). Gene expression was determined by quantitative polymerase chain reaction. PD98059 was used to elucidate whether extracellular signal regulated kinase (ERK) signaling is involved in the curcumin-regulated gene expression in hGFs. Cell migration was also analyzed by the scratch assay. STATISTICAL ANALYSIS Data were analyzed by independent t-test or one-way analysis of variance (ANOVA) followed by Tukey's Honestly Significant Difference ( HSD) test. RESULTS In unwounded hGFs, curcumin significantly increased KGF-1 and EGFR expressions but not COL1 mRNA expression. Interestingly, curcumin significantly upregulated COL1, KGF-1, and EGFR expressions in the in vitro wound healing model. Furthermore, PD98059 significantly decreased the curcumin-induced COL1 and EGFR expressions, but did not significantly affect KGF-1 upregulation by curcumin. However, hGF migration was not affected by curcumin treatment. CONCLUSION Curcumin induced KGF-1 and EGFR expressions in unwounded hGFs. In the in vitro wound healing model, curcumin upregulated COL1 and EGFR expression via the ERK pathway and increased KGF-1 expression, possibly by an ERK-independent mechanism.
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Affiliation(s)
- Auspreeya Rujirachotiwat
- Department of Pediatric Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.,Division of Dentistry, Banphue Hospital, Banphue District, Udonthani, Thailand
| | - Supaporn Suttamanatwong
- Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.,Research Unit of Herbal Medicine and Natural Product for Dental Treatment, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
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27
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Maddaluno L, Urwyler C, Rauschendorfer T, Meyer M, Stefanova D, Spörri R, Wietecha M, Ferrarese L, Stoycheva D, Bender D, Li N, Strittmatter G, Nasirujjaman K, Beer HD, Staeheli P, Hildt E, Oxenius A, Werner S. Antagonism of interferon signaling by fibroblast growth factors promotes viral replication. EMBO Mol Med 2020; 12:e11793. [PMID: 32720440 PMCID: PMC7507082 DOI: 10.15252/emmm.201911793] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 06/27/2020] [Accepted: 06/30/2020] [Indexed: 12/14/2022] Open
Abstract
Fibroblast growth factors (FGFs) play key roles in the pathogenesis of different human diseases, but the cross‐talk between FGFs and other cytokines remains largely unexplored. We identified an unexpected antagonistic effect of FGFs on the interferon (IFN) signaling pathway. Genetic or pharmacological inhibition of FGF receptor signaling in keratinocytes promoted the expression of interferon‐stimulated genes (ISG) and proteins in vitro and in vivo. Conversely, FGF7 or FGF10 treatment of keratinocytes suppressed ISG expression under homeostatic conditions and in response to IFN or poly(I:C) treatment. FGF‐mediated ISG suppression was independent of IFN receptors, occurred at the transcriptional level, and required FGF receptor kinase and proteasomal activity. It is not restricted to keratinocytes and functionally relevant, since FGFs promoted the replication of herpes simplex virus I (HSV‐1), lymphocytic choriomeningitis virus, and Zika virus. Most importantly, inhibition of FGFR signaling blocked HSV‐1 replication in cultured human keratinocytes and in mice. These results suggest the use of FGFR kinase inhibitors for the treatment of viral infections.
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Affiliation(s)
- Luigi Maddaluno
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
| | - Corinne Urwyler
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
| | - Theresa Rauschendorfer
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
| | - Michael Meyer
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
| | - Debora Stefanova
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
| | - Roman Spörri
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich, Switzerland
| | - Mateusz Wietecha
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
| | - Luca Ferrarese
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
| | - Diana Stoycheva
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich, Switzerland
| | - Daniela Bender
- Department of Virology, Paul-Ehrlich-Institute, Langen, Germany
| | - Nick Li
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland.,Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland
| | | | - Khondokar Nasirujjaman
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland.,Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi, Bangladesh
| | - Hans-Dietmar Beer
- Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland
| | - Peter Staeheli
- Institute of Virology, University Hospital Freiburg, Freiburg, Germany.,Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Eberhard Hildt
- Department of Virology, Paul-Ehrlich-Institute, Langen, Germany
| | - Annette Oxenius
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich, Switzerland
| | - Sabine Werner
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
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28
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Kusiak A, Jereczek-Fossa BA, Cichońska D, Alterio D. Oncological-Therapy Related Oral Mucositis as an Interdisciplinary Problem-Literature Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17072464. [PMID: 32260309 PMCID: PMC7177874 DOI: 10.3390/ijerph17072464] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 01/09/2023]
Abstract
Oral mucositis is a toxic side effect of non-surgical cancer treatments: chemotherapy and radiotherapy, which strongly impair quality of life and can not only cause strong pain, but also lead to problems with basic physiological needs as eating and swallowing. Development of oral mucositis is associated with type, dosage, and schedule of radiation or chemotherapy and other factors related to patients. Management of oral mucositis is a valid problem, requiring topical application of anesthetics, coating agents, cryotherapy, low level laser therapy, pharmacological methods as usage of keratinocyte growth factors, supplementation of vitamins, and a proper diet. Another approach to oral mucositis measurement includesphotobiomodulation, which brings analgesic and anti-inflammatory effects.Although oral mucositis is a general health issues, the role of proper dental care is essential. It should include elimination of all potential sources of mucosal injury and microorganisms inhabiting theoral cavity through oral hygiene education,professional management ofdental plaque,and treatment of the caries and periodontium, which are necessary to reduce the risk of inflammation in the oral cavity. This paper describes the possibilities of monitoring oral mucositis,taking into account the latest therapeutic achievements.
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Affiliation(s)
- Aida Kusiak
- Department of Periodontology and Oral Mucosa Diseases, Medical University of Gdansk, 80-210 Gdansk, Poland;
- Correspondence:
| | - Barbara Alicja Jereczek-Fossa
- Department of Oncology and Hemato-Oncology, University of Milan, 20141 Milan, Italy;
- Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, 20141 Milan, Italy
| | - Dominika Cichońska
- Department of Periodontology and Oral Mucosa Diseases, Medical University of Gdansk, 80-210 Gdansk, Poland;
| | - Daniela Alterio
- Division of Radiation Oncology, European Institute of Oncology IRCCS, 20141 Milan, Italy;
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29
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Strategies to Enhance Mesenchymal Stem Cell-Based Therapies for Acute Respiratory Distress Syndrome. Stem Cells Int 2019; 2019:5432134. [PMID: 31885615 PMCID: PMC6893276 DOI: 10.1155/2019/5432134] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Accepted: 10/28/2019] [Indexed: 02/07/2023] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a multifaced disease characterized by the acute onset of hypoxemia, worsened pulmonary compliance, and noncardiogenic pulmonary edema. Despite over five decades of research, specific treatments for established ARDS are still lacking. MSC-based therapies have the advantage of targeting nearly all pathophysiological components of ARDS by means of a variety of secreted trophic factors, exerting anti-inflammatory, antioxidative, immunomodulatory, antiapoptotic, and proangiogenic effects, resulting in significant structural and functional recovery following ARDS in various preclinical models. However, the therapeutic efficacy of transplanted MSCs is limited by their poor engraftment and low survival rate in the injured tissues, major barriers to clinical translation. Accordingly, several strategies have been explored to improve MSC retention in the lung and enhance the innate properties of MSCs in preclinical models of ARDS. To provide a comprehensive and updated view, we summarize a large body of experimental evidence for a variety of strategies directed towards strengthening the therapeutic potential of MSCs in ARDS.
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30
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Rockel JS, Rabani R, Viswanathan S. Anti-fibrotic mechanisms of exogenously-expanded mesenchymal stromal cells for fibrotic diseases. Semin Cell Dev Biol 2019; 101:87-103. [PMID: 31757583 DOI: 10.1016/j.semcdb.2019.10.014] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 10/11/2019] [Accepted: 10/30/2019] [Indexed: 12/17/2022]
Abstract
Most chronic diseases involving inflammation have a fibrotic component that involves remodeling and excess accumulation of extracellular matrix components. Left unchecked, fibrosis leads to organ failure and death. Mesenchymal stromal cells (MSCs) are emerging as a potent cell-based therapy for a wide spectrum of fibrotic conditions due to their immunomodulatory, anti-inflammatory and anti-fibrotic properties. This review provides an overview of known mechanisms by which MSCs mediate their anti-fibrotic actions and in relation to animal models of pulmonary, liver, renal and cardiac fibrosis. Recent MSC clinical trials results in liver, lung, skin, kidney and hearts are discussed and next steps for future MSC-based therapies including pre-activated or genetically-modified cells, or extracellular vesicles are also considered.
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Affiliation(s)
- Jason S Rockel
- Arthritis Program, University Health Network, Toronto, ON, Canada; Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, ON, Canada.
| | - Razieh Rabani
- Arthritis Program, University Health Network, Toronto, ON, Canada; Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Sowmya Viswanathan
- Arthritis Program, University Health Network, Toronto, ON, Canada; Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, ON, Canada; Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada; Division of Hematology, Department of Medicine, University of Toronto, Toronto, Canada
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31
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Kolli V, Paul S, Guttula PK, Sarkar N. Elucidating the Role of Val-Asn 95 and Arg-Gly 52 Mutations on Structure and Stability of Fibroblast Growth Factor Homologous Factor 2. Protein Pept Lett 2019; 26:848-859. [PMID: 37020363 DOI: 10.2174/0929866526666190503092718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 04/11/2019] [Accepted: 04/19/2019] [Indexed: 11/22/2022]
Abstract
Background:
Fibroblast growth Factor Homologous Factors (FHFs) belong to a subclass
of Fibroblast Growth Factor (FGF) family owing to their high sequence and structural similarities
with FGFs. However, despite these similarities, there are properties which set them apart from
FGFs. FHFs lack the secretion signal sequence unlike other FGF members, except FGF1 and 2.
Unlike FGFs, FHFs are not able to bind to FGF Receptors (FGFRs) and instead have been
implicated in binding to Voltage-Gated Sodium Channels (VGSCs), neuronal MAP kinase scaffold
protein and islet-brain-2 (IB2). The two amino acids Arg-52 and Val95 are conserved in all FHFs
and mutation of these residues lead to its inability to bind with VGSC/IB2. However, it is not clear
whether the loss of binding is due to destabilization of the protein on mutation or due to
involvement of Arg52 and Val95 in conferring functionality to FHFs.
Objective:
In the present study, we have mutated these two conserved residues of FHF2 with its
corresponding FGF counterpart amino acids and studied the effects of the mutations on the
structure and stability of the protein.
Methods:
Several biophysical methods like isothermal equilibrium denaturation study, ANS
fluorescence, intrinsic fluorescence, acrylamide quenching, circular dichroism studies as well as
using computational approaches were employed.
Results:
The single mutations were found to affect the overall stability, conformation and
functionality of the protein.
Conclusion:
Thus, the studies throw light on the role of specific amino acids in deciding the
stability, structure and functionality of proteins and will be useful for development of
therapeutically engineered proteins.
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Affiliation(s)
- Vidyalatha Kolli
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela- 769008, Odisha, India
| | - Subhankar Paul
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela- 769008, Odisha, India
| | - Praveen Kumar Guttula
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela- 769008, Odisha, India
| | - Nandini Sarkar
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela- 769008, Odisha, India
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Wei Q, Ramsey SA, Larson MK, Berlow NE, Ochola D, Shiprack C, Kashyap A, Séguin B, Keller C, Löhr CV. Elucidating the transcriptional program of feline injection-site sarcoma using a cross-species mRNA-sequencing approach. BMC Cancer 2019; 19:311. [PMID: 30947707 PMCID: PMC6449919 DOI: 10.1186/s12885-019-5501-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 03/20/2019] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Feline injection-site sarcoma (FISS), an aggressive iatrogenic subcutaneous malignancy, is challenging to manage clinically and little is known about the molecular basis of its pathogenesis. Tumor transcriptome profiling has proved valuable for gaining insights into the molecular basis of cancers and for identifying new therapeutic targets. Here, we report the first study of the FISS transcriptome and the first cross-species comparison of the FISS transcriptome with those of anatomically similar soft-tissue sarcomas in dogs and humans. METHODS Using high-throughput short-read paired-end sequencing, we comparatively profiled FISS tumors vs. normal tissue samples as well as cultured FISS-derived cell lines vs. skin-derived fibroblasts. We analyzed the mRNA-seq data to compare cancer/normal gene expression level, identify biological processes and molecular pathways that are associated with the pathogenesis of FISS, and identify multimegabase genomic regions of potential somatic copy number alteration (SCNA) in FISS. We additionally conducted cross-species analyses to compare the transcriptome of FISS to those of soft-tissue sarcomas in dogs and humans, at the level of cancer/normal gene expression ratios. RESULTS We found: (1) substantial differential expression biases in feline orthologs of human oncogenes and tumor suppressor genes suggesting conserved functions in FISS; (2) a genomic region with recurrent SCNA in human sarcomas that is syntenic to a feline genomic region of probable SCNA in FISS; and (3) significant overlap of the pattern of transcriptional alterations in FISS with the patterns of transcriptional alterations in soft-tissue sarcomas in humans and in dogs. We demonstrated that a protein, BarH-like homeobox 1 (BARX1), has increased expression in FISS cells at the protein level. We identified 11 drugs and four target proteins as potential new therapies for FISS, and validated that one of them (GSK-1059615) inhibits growth of FISS-derived cells in vitro. CONCLUSIONS (1) Window-based analysis of mRNA-seq data can uncover SCNAs. (2) The transcriptome of FISS-derived cells is highly consistent with that of FISS tumors. (3) FISS is highly similar to soft-tissue sarcomas in dogs and humans, at the level of gene expression. This work underscores the potential utility of comparative oncology in improving understanding and treatment of FISS.
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Affiliation(s)
- Qi Wei
- Department of Biomedical Sciences, Oregon State University, Corvallis, OR, USA
| | - Stephen A Ramsey
- Department of Biomedical Sciences, Oregon State University, Corvallis, OR, USA.
| | - Maureen K Larson
- Department of Clinical Sciences, Oregon State University, Corvallis, OR, USA
| | - Noah E Berlow
- Children's Cancer Therapy Development Institute, Beaverton, OR, USA
| | - Donasian Ochola
- Flint Animal Cancer Center, Colorado State University, Fort Collins, CO, USA
| | | | - Amita Kashyap
- Department of Biomedical Sciences, Oregon State University, Corvallis, OR, USA
| | - Bernard Séguin
- Flint Animal Cancer Center, Colorado State University, Fort Collins, CO, USA
| | - Charles Keller
- Children's Cancer Therapy Development Institute, Beaverton, OR, USA
| | - Christiane V Löhr
- Department of Biomedical Sciences, Oregon State University, Corvallis, OR, USA.
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Peng Y, Wu S, Tang Q, Li S, Peng C. KGF-1 accelerates wound contraction through the TGF-β1/Smad signaling pathway in a double-paracrine manner. J Biol Chem 2019; 294:8361-8370. [PMID: 30894415 DOI: 10.1074/jbc.ra118.006189] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 02/28/2019] [Indexed: 11/06/2022] Open
Abstract
KGF-1 plays an important role in the wound healing process. Loss of the KGF-1 gene in diabetic mice attenuated the process of wound contraction, suggesting that KGF-1 contributes to wound contraction. However, the mechanism remains unclear. To investigate the role of KGF-1 in diabetic wound contraction, we established a keratinocyte-fibroblast co-culture system. Concentrations of transforming growth factor β1 (TGF-β1) in conditioned supernatant treated with KGF-1 (KGF-1 group), tk;4KGF-1-neutralizing antibody (anti-KGF-1 group), TGF-β1 (TGF-β1tk;1 group), KGF-1 and TGF-β1-neutralizing antibody (KGF-1 + anti-TGF-β1 group) were tested by ELISA. Conditioned medium was added to fibroblast-populated collagen lattice (FPCL) to investigate the effect of KGF-1 on fibroblastqj contraction. TGF-β1, Col-I, p-Smad2, p-Smad3, and α-smooth muscle actin (α-SMA) were examined by Western blotting. A diabetic rat wound model was utilized to evaluate wound morphology, histology, immunohistochemistry, and protein expression in wound tissue after treatment with KGF-1. ELISA assays revealed that the concentration of TGF-β1 in the conditioned supernatant in the KGF-1 group was significantly higher. The contractile capacity of FPCL stimulated by conditioned medium derived from the KGF-1 group was significantly elevated; however, the contractile activity of FPCL induced by KGF-1 was attenuated by TGF-β1-neutralizing antibody. The Western blot results suggest that KGF-1 is able to stimulate TGF-β1 activation with increased Col-I, p-Smad2, p-Smad3, and α-SMA expression. Diabetic wounds treated with KGF-1 had a higher degree of contraction with significantly higher expression of TGF-β1, Col-I, p-Smad2, p-Smad3, and α-SMA. Our findings demonstrate that KGF-1 promotes fibroblast contraction and accelerates wound contraction via the TGF-β1/Smad signaling pathway in a double-paracrine manner.
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Affiliation(s)
- Yi Peng
- Department of Plastic Surgery and Orthopedic Surgery, Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, China; Orthopedic Surgery, Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, China
| | - Song Wu
- Orthopedic Surgery, Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, China
| | - Qiyu Tang
- Department of Plastic Surgery and Orthopedic Surgery, Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, China
| | - Shuaihua Li
- Department of Cosmetic and Plastic Surgery, First People's Hospital of Chenzhou, Chenzhou, Hunan 423000, China
| | - Cheng Peng
- Department of Plastic Surgery and Orthopedic Surgery, Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, China.
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Zhou C, Chen Y, Kang W, Lv H, Fang Z, Yan F, Li L, Zhang W, Shi J. Mir-455-3p-1 represses FGF7 expression to inhibit pulmonary arterial hypertension through inhibiting the RAS/ERK signaling pathway. J Mol Cell Cardiol 2019; 130:23-35. [PMID: 30858037 DOI: 10.1016/j.yjmcc.2019.03.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 02/12/2019] [Accepted: 03/03/2019] [Indexed: 12/18/2022]
Abstract
OBJECTIVE To analyze the effects of miR-455-3p-1 and its possible mechanisms in pulmonary arterial hypertension (PAH). METHODS A microarray assay was used to examine the expressed genes between normal and PAH. The expressed genes in PAH was assessed by qRT-PCR. The targeted interaction between miRNAs and FGF7 was confirmed using a dual luciferase reporter assay. A CCK-8 assay and cell count were used to analyze the pulmonary artery smooth muscle cells (PASMCs) activity and proliferation level, respectively. Apoptotic PASMCs were detected by flow cytometry. In addition, the mRNA and protein expression levels of RAS/ERK signaling pathway were determined by qRT-PCR and a Western blot assay, respectively. A PAH rat model was used to identify the effects of miR-455-3p-1 in vivo. RESULTS FGF7 was upregulated in PAH. MiR-455-3p-1 was downregulated in PAH. MiR-455-3p-1 targeted FGF7. MiR-455-3p-1 decreased the expression of FGF7. Moreover, the effect of FGF7 on PASMCs was suppressed by miR-455-3p-1. MiR-455-3p-1 upregulation was associated with reduced mRNA and protein levels of core RAS/ERK signal genes, suggesting the inhibition of the RAS/ERK pathway. Furthermore, miR-455-3p-1 upregulation improved the RVSP, mPAP, ratio of RV/LV + S, CO and RV function of PAH rat model in vivo. CONCLUSION Our findings illustrate a role for miR-455-3p-1 in modulating FGF7-RAS/ERK signaling and suggest that an agomir of miR-455-3p-1 could inhibit the proliferation of PASMCs and mitigate PAH in vivo.
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Affiliation(s)
- Chenghui Zhou
- Department of Anesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100037, China
| | - Yu Chen
- State Key Laboratory of Cardiovascular Disease, FuWai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100037, China
| | - Wenying Kang
- Department of Anesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100037, China
| | - Hong Lv
- Department of Anesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100037, China
| | - Zhongrong Fang
- Department of Anesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100037, China
| | - Fuxia Yan
- Department of Anesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100037, China
| | - Lihuan Li
- Department of Anesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100037, China
| | - Weili Zhang
- State Key Laboratory of Cardiovascular Disease, FuWai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100037, China.
| | - Jia Shi
- Department of Anesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100037, China.
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Abstract
Radiotherapy is one of the most efficient ways to treat cancer. However, deleterious effects, such as acute and chronic toxicities that reduce the quality of life, may result. Naturally occurring compounds have been shown to be non-toxic over wide dose ranges and are inexpensive and effective. Additionally, pharmacological strategies have been developed that use radioprotectors to inhibit radiation-induced toxicities. Currently available radioprotectors have several limitations, including toxicity. In this review, we present the mechanisms of proven radioprotectors, ranging from free radical scavenging (the best-known mechanism of radioprotection) to molecular-based radioprotection (e.g., upregulating expression of heat shock proteins). Finally, we discuss naturally occurring compounds with radioprotective properties in the context of these mechanisms.
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Differentially expressed genes between intestinal- and diffuse-type gastric cancers. Mol Cell Toxicol 2018. [DOI: 10.1007/s13273-018-0033-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Topical Application of Keratinocyte Growth Factor Conjugated Gold Nanoparticles Accelerate Wound Healing. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:1619-1628. [DOI: 10.1016/j.nano.2018.04.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 04/02/2018] [Accepted: 04/05/2018] [Indexed: 12/19/2022]
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Zhu HF, Yan PW, Wang LJ, Liu YT, Wen J, Zhang Q, Fan YX, Luo YH. Protective properties of Huperzine A through activation Nrf2/ARE-mediated transcriptional response in X-rays radiation-induced NIH3T3 cells. J Cell Biochem 2018; 119:8359-8367. [PMID: 29932247 DOI: 10.1002/jcb.26919] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 04/04/2018] [Indexed: 01/10/2023]
Abstract
Huperzine A (HupA), derived from Huperzia Serrata, has exhibited a variety of biological actions, in particular neuroprotective effect. However, the protective activities of HupA on murine embryonic fibroblast NIH3T3 cells after X-rays radiation have not been fully elucidated. Herein, HupA treatment dramatically promoted cell viability, abated a G0/G1 peak accumulation, and ameliorated increase of cell apoptosis in NIH3T3 cells after X-rays radiation. Simultaneously, HupA notably enhanced activities of anti-oxidant enzymes, inhibited activity of lipid peroxide, and efficiently eliminated production of reactive oxygen species in NIH3T3 cells after X-rays radiation. Dose-dependent increase of antioxidant genes by HupA were associated with up-regulated Nrf2 and down-regulated Keap-1 expression, which was confirmed by increasing nuclear accumulation, and inhibiting of degradation of Nrf2. Notably, augmented luciferase activity of ARE may explained Nrf2/ARE-mediated signaling pathways behind HupA protective properties. Moreover, expression of Nrf2 HupA-mediated was significant attenuated by AKT inhibitor (LY294002), p38 MAPK inhibitor (SB202190) and ERK inhibitor (PD98059). Besides, HupA-mediated cell viability, and ROS production were dramatically bated by LY294002, SB202190, and PD98059. Taken together, HupA effectively ameliorated X-rays radiation-induced damage Nrf2-ARE-mediated transcriptional response via activation AKT, p38, and ERK signaling in NIH3T3 cells.
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Affiliation(s)
- Huan-Feng Zhu
- Department of Radiotherapy, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, P.R. China
| | - Peng-Wei Yan
- Department of Radiotherapy, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, P.R. China
| | - Li-Jun Wang
- Department of Radiotherapy, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, P.R. China
| | - Ya-Tian Liu
- Department of Radiotherapy, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, P.R. China
| | - Jing Wen
- Department of Radiotherapy, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, P.R. China
| | - Qian Zhang
- Department of Radiotherapy, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, P.R. China
| | - Yan-Xin Fan
- Department of Radiotherapy, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, P.R. China
| | - Yan-Hong Luo
- Department of Radiotherapy, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, P.R. China
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39
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Trophic factors in the treatment and prevention of alimentary tract mucositis. Curr Opin Support Palliat Care 2018. [DOI: 10.1097/spc.0000000000000340] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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40
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Liu M, Chen Z, Huang S, Chu S, Issaro N, Tian H, Hu H, Jiang C. Effective Protection on Acute Liver Injury by Halo Tag-Flanked Recombinant Fibroblast Growth Factor 7. Biotechnol J 2018; 13:e1700411. [PMID: 29504693 DOI: 10.1002/biot.201700411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 02/24/2018] [Indexed: 11/10/2022]
Abstract
The drug development of FGF7 has been restricted by its toxicity to the host, low expression, poor stability, and easy degradation. Recent studies have shown that Halo-tag-flanked recombinant human FGF7 can solve the problem of toxicity; however, its biological activity is unknown. This study aimed to explore the activity of Halo-rhFGF7 and rhFGF7 on acute liver injury in vitro and in vivo. The rhFGF7 is expressed with a N-terminal Halo-tag, followed by a tobacco etch virus (TEV) protease cleavage site, in Escherichia coli BL21 (DE3) pLysS in this study. The products could stimulate the proliferation of carbon tetrachloride-damaged L-O2 cells (normal human liver cells); they also inhibited cell apoptosis. Due to the use of the Halo, the protein could be tracked using fluorescence localization. Recombinant protein exerted a protective effect on the acute liver injury model in vitro and in vivo. The MTT assay and Western blot analysis showed that this protective effect is realized through various paths, including promoting proliferation, inhibiting cell apoptosis and anti-inflammatory. In conclusion, Halo-rhFGF7 and rhFGF7 displayed an excellent protective effect on acute liver injury. The present study provided an experimental basis and data support for further research on rhFGF7.
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Affiliation(s)
- Min Liu
- School of Pharmaceutical Science, Key Laboratory of Biothechnology and Pharmaceutical Engineering of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Zhiyu Chen
- The Second Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.,Quzhou Hospital of Traditional Chinese Medicine, Quzhou, Zhejiang 324000, China
| | - Sisi Huang
- School of Pharmaceutical Science, Key Laboratory of Biothechnology and Pharmaceutical Engineering of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Shenghui Chu
- School of Pharmaceutical Science, Key Laboratory of Biothechnology and Pharmaceutical Engineering of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Nipatha Issaro
- School of Pharmaceutical Science, Key Laboratory of Biothechnology and Pharmaceutical Engineering of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Haishan Tian
- School of Pharmaceutical Science, Key Laboratory of Biothechnology and Pharmaceutical Engineering of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Haiyan Hu
- The Second Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Chao Jiang
- School of Pharmaceutical Science, Key Laboratory of Biothechnology and Pharmaceutical Engineering of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
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Bahadori Z, Kalhor HR, Mowla SJ. Producing functional recombinant human keratinocyte growth factor in Pichia pastoris and investigating its protective role against irradiation. Enzyme Microb Technol 2018; 111:12-20. [DOI: 10.1016/j.enzmictec.2018.01.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 12/12/2017] [Accepted: 01/05/2018] [Indexed: 11/26/2022]
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42
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Yamamoto-Fukuda T, Akiyama N, Takahashi M, Kojima H. Keratinocyte Growth Factor (KGF) Modulates Epidermal Progenitor Cell Kinetics through Activation of p63 in Middle Ear Cholesteatoma. J Assoc Res Otolaryngol 2018; 19:223-241. [PMID: 29549594 DOI: 10.1007/s10162-018-0662-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Accepted: 02/28/2018] [Indexed: 01/27/2023] Open
Abstract
The basal stem/progenitor cell maintains homeostasis of the epidermis. Progressive disturbance of this homeostasis has been implicated as a possible cause in the pathogenesis of epithelial disease, such as middle ear cholesteatoma. In many cases of stem/progenitor cell regulation, the importance of extracellular signals provided by the surrounding cells is well-recognized. Keratinocyte growth factor (KGF) is a mesenchymal-cell-derived paracrine growth factor that specifically participates in skin homeostasis; however, the overexpression of KGF induces middle ear cholesteatoma. In this study, two kinds of thymidine analogs were transferred at different time points and we investigated the effects of overexpressed KGF on the cell kinetics of stem/progenitor cells in vivo. As a result, BrdU(+)EdU(+) cells (stem/progenitor cells) were detected in the thickened epithelium of KGF-transfected specimens. The use of a high-resolution microscope enabled us to analyze the phosphorylated level of p63 in individual nuclei, and the results clearly demonstrated that BrdU(+)EdU(+) cells are regarded as progenitor cells. In the overexpression of KGF, the stimulation of progenitor cell proliferation was inhibited by SU5402, an inhibitor for tyrosine kinase of KGFR. These findings indicate that KGF overexpression may increase stem/progenitor cell proliferation and block terminal differentiation, resulting in epithelial hyperplasia, which is typical in middle ear cholesteatoma.
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Affiliation(s)
- Tomomi Yamamoto-Fukuda
- Department of Otorhinolaryngology, Jikei University School of Medicine, 3-25-8, Nishishinbashi, Minato-ku, Tokyo, 105-8461, Japan. .,Department of Histology and Cell Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
| | - Naotaro Akiyama
- Department of Histology and Cell Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Otorhinolaryngology, Toho University School of Medicine, Tokyo, Japan
| | - Masahiro Takahashi
- Department of Otorhinolaryngology, Jikei University School of Medicine, 3-25-8, Nishishinbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Hiromi Kojima
- Department of Otorhinolaryngology, Jikei University School of Medicine, 3-25-8, Nishishinbashi, Minato-ku, Tokyo, 105-8461, Japan
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Xu HL, Xu J, Zhang SS, Zhu QY, Jin BH, ZhuGe DL, Shen BX, Wu XQ, Xiao J, Zhao YZ. Temperature-sensitive heparin-modified poloxamer hydrogel with affinity to KGF facilitate the morphologic and functional recovery of the injured rat uterus. Drug Deliv 2017; 24:867-881. [PMID: 28574291 PMCID: PMC8241134 DOI: 10.1080/10717544.2017.1333173] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 05/13/2017] [Accepted: 05/17/2017] [Indexed: 02/06/2023] Open
Abstract
Endometrial injury usually results in intrauterine adhesion (IUA), which is an important cause of infertility and recurrent miscarriage in reproductive women. There is still lack of an effective therapeutic strategy to prevent occurrence of IUA. Keratinocyte growth factor (KGF) is a potent repair factor for epithelial tissues. Here, a temperature-sensitive heparin-modified poloxamer (HP) hydrogel with affinity to KGF (KGF-HP) was used as a support matrix to prevent IUA and deliver KGF. The rheology of KGF-HP hydrogel was carefully characterized. The cold KGF-HP solution was rapidly transited to hydrogel with suitable storage modulus (G') and loss modulus (G″) for the applications of uterus cavity at temperature of 33 °C. In vitro release demonstrated that KGF was released from HP hydrogels in sustained release manner for a long time. In vivo bioluminescence imaging showed that KGF-HP hydrogel was able to prolong the retention of the encapsulated KGF in injured uterus of rat model. Moreover, the morphology and function of the injured uterus were significantly recovered after administration of KGF-HP hydrogel, which were evaluated by two-dimensional ultrasound imaging and receptive fertility. Not only proliferation of endometrial glandular epithelial cells and luminal epithelial cells but also angiogenesis of injured uterus were observed by Ki67 and CD31 staining after 7 d of treatment with KGF-HP hydrogel. Finally, a close relatively relationship between autophagy and proliferation of endometrial epithelial cells (EEC) and angiogenesis was firstly confirmed by detecting expression of LC3-II and P62 after KGF treatment. Overall, KGF-HP may be used as a promising candidate for IUA treatment.
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Affiliation(s)
- He-Lin Xu
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, PR China
| | - Jie Xu
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, PR China
| | - Si-Si Zhang
- First Affiliated Hospital, Wenzhou Medical University, Wenzhou City, PR China
| | - Qun-Yan Zhu
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, PR China
| | - Bing-Hui Jin
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, PR China
| | - De-Li ZhuGe
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, PR China
| | - Bi-Xin Shen
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, PR China
| | - Xue-Qing Wu
- First Affiliated Hospital, Wenzhou Medical University, Wenzhou City, PR China
| | - Jian Xiao
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, PR China
| | - Ying-Zheng Zhao
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, PR China
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Carneiro NS, Armada L, Pereira DL, Vargas PA, Lopes MA, Pires FR. Evaluation of KGF, EGF, VEGF, bcl-2, IL-6 and ki67 expression in oral epithelium adjacent to bisphosphonate-related osteonecrosis and florid osseous dysplasia: a comparative immunohistochemical study. Oral Surg Oral Med Oral Pathol Oral Radiol 2017; 124:548-553. [PMID: 29056287 DOI: 10.1016/j.oooo.2017.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 08/23/2017] [Accepted: 09/01/2017] [Indexed: 10/18/2022]
Abstract
OBJECTIVE The aim of this study was to compare the expression of proliferative markers and apoptosis-associated proteins in the oral mucosa adjacent to bone sequestrum associated with osteonecrosis (ON) of the jaws and florid osseous dysplasia (OD). STUDY DESIGN Oral mucosal samples derived from surgical procedures performed for treatment of ON and OD (10 cases each) were retrieved. Histologic analysis was done on hematoxylin and eosin-stained slides; immunohistochemical reactions against epidermal growth factor (EGF), keratinocyte growth factor (KGF), vascular endothelial growth factor (VEGF), Bcl-2 protein, interleukin-6 (IL-6), and Ki-67 antigen were performed with the immunoperoxidase technique. RESULTS The epithelium was hyperplastic in 60% and 22% of ON and OD samples, respectively. Cytoplasmic EGF and KGF expression; Bcl-2, VEGF, and IL-6 expressions; and the mean epithelial proliferative index were not statistically different between the 2 groups. Membranous EGF expression was more evident in samples showing hyperplastic epithelium. CONCLUSIONS Exposure to bisphosphonates did not alter the expression of KGF, EGF, VEGF, Bcl-2, IL-6, and the epithelial proliferating index in comparison with inflamed oral mucosa not exposed to bisphosphonates.
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Affiliation(s)
- Natália Santos Carneiro
- Oral Pathology, School of Dentistry, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luciana Armada
- Postgraduate Program in Dentistry, Estácio de Sá University, Rio de Janeiro, Brazil
| | - Débora Lima Pereira
- Oral Pathology, Piracicaba Dental School, State University of Campinas, Piracicaba, Sao Paulo, Brazil
| | - Pablo Agustin Vargas
- Oral Pathology, Piracicaba Dental School, State University of Campinas, Piracicaba, Sao Paulo, Brazil
| | - Márcio Ajudarte Lopes
- Semiology, Piracicaba Dental School, State University of Campinas, Piracicaba, Sao Paulo, Brazil
| | - Fábio Ramôa Pires
- Oral Pathology, School of Dentistry, State University of Rio de Janeiro, Rio de Janeiro, Brazil.
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Devalliere J, Dooley K, Hu Y, Kelangi SS, Uygun BE, Yarmush ML. Co-delivery of a growth factor and a tissue-protective molecule using elastin biopolymers accelerates wound healing in diabetic mice. Biomaterials 2017; 141:149-160. [DOI: 10.1016/j.biomaterials.2017.06.043] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 06/29/2017] [Accepted: 06/29/2017] [Indexed: 01/14/2023]
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Zaleska MT, Olszewski WL. Serum Immune Proteins in Limb Lymphedema Reflecting Tissue Processes Caused by Lymph Stasis and Chronic Dermato-lymphangio-adenitis (Cellulitis). Lymphat Res Biol 2017; 15:246-251. [PMID: 28880710 DOI: 10.1089/lrb.2017.0003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Lymphedema of limbs affects a large mass of tissues. Pathological changes develop in skin and subcutaneous tissue. Bacterial retention in edema fluid is followed by chronic inflammatory reaction. The question arises whether the chronic processes affecting a large mass of limb tissues are reflected in the serum by appearance of specific proteins accumulating and subsequently absorbed from the lymphedematous tissues Aim: To measure the concentration of serum proteins (1) participating in cellular disintegration such as caspase 1, sFas, high-mobility group box 1 (HMGB1), and serpin, (2) cell growth regulating factors such as cortisol, human growth hormone, keratinocyte growth factor, and insulin-like growth factor (IGF), and (3) angiogenic and growth factors such as angiopoetins 1 and 2, adiponectin, leptin, and transforming growth factor beta. RESULTS We found (1) increased concentration of serum caspase 1, sFas, serpin, and HMGB1 accounting for cellular destruction, (2) raised levels of cortisol and IGF, confirming active cellular processes, and (3) elevated concentrations of angiopoetin 1, adiponectin, and leptin, indicating proliferation of adipose tissue. CONCLUSIONS Proteins appearing in serum in high concentrations in patients with lymphedema without systemic clinical and biochemical signs of inflammation indicate that multiple processes of destruction and rebuilding proceed in the lymphedematous tissues. Measuring concentration of caspase 1, sFas, serpin, HMGB1 protein, adiponectin, and leptin give insight into these processes. Lymphedema should be considered as tissue process characterized not only by increase in mobile tissue fluid volume but also tissue restructuring. Compression and drainage therapy should be complemented by anti-inflammatory medication.
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Affiliation(s)
- Marzanna T Zaleska
- 1 Department of Applied Physiology, Mossakowski Medical Research Center , Warsaw, Poland .,2 Department of Vascular Surgery, Central Clinical Hospital , Ministry of Home Affairs, Warsaw, Poland
| | - Waldemar L Olszewski
- 2 Department of Vascular Surgery, Central Clinical Hospital , Ministry of Home Affairs, Warsaw, Poland
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Xu HL, Xu J, Shen BX, Zhang SS, Jin BH, Zhu QY, ZhuGe DL, Wu XQ, Xiao J, Zhao YZ. Dual Regulations of Thermosensitive Heparin-Poloxamer Hydrogel Using ε-Polylysine: Bioadhesivity and Controlled KGF Release for Enhancing Wound Healing of Endometrial Injury. ACS APPLIED MATERIALS & INTERFACES 2017; 9:29580-29594. [PMID: 28809108 DOI: 10.1021/acsami.7b10211] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Hydrogel was not only used as an effective support matrix to prevent intrauterine adhesion after endometrial injury but also served as scaffold to sustain release of some therapeutics, especially growth factor. However, because of the rapid turnover of the endometrial mucus, the poor retention and bad absorption of therapeutic agents in damaged endometrial cavity were two important factors hindering their pharmacologic effect. Herein, a mucoadhesive hydrogel was described by using heparin-modified poloxamer (HP) as the matrix material and ε-polylysine (EPL) as functional excipient. Various EPL-HP hydrogels formulations are screened by rheological evaluation and mucoadhesion studies. It was found that the rheological and mucoadhesive properties of EPL-HP hydrogels were easily controlled by changing the amount of EPL in formulation. The storage modulus of EPL-HP hydrogel with 90 μg/mL of EPL (EPL-HP-90) was elevated to be 1.9 × 105 Pa, in accordance with the adhesion force rising to 3.18 N (10-fold higher than HP hydrogels). Moreover, in vitro release of model drug keratinocyte growth factor (KGF) from EPL-HP hydrogel was significantly accelerated by adding EPL in comparison with HP hydrogel. Both strong mucoadhesive ability and the accelerated drug release behavior for EPL-HP-90 made more of the encapsulated KGF absorbed by the uterus basal layer and endometrial glands after 8 h of administration in uterus cavity. Meanwhile, the morphology of endometrium in the injured uterus was repaired well after 3 d of treatment with KGF-EPL-HP-90 hydrogels. Compared with KGF-HP group, not only proliferation of endometrial epithelial cell and glands but also angiogenesis in the regenerated endometrium was obviously enhanced after treatment with KGF-EPL-HP-90 hydrogels. Alternatively, the cellular apoptosis in the damaged endometrium was significantly inhibited after treatment with KGF-EPL-HP-90 hydrogels. Overall, the mucoadhesive EPL-HP hydrogel with a suitable KGF release profile may be a more promising approach than HP hydrogel alone to repair the injured endometrium.
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Affiliation(s)
- He-Lin Xu
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Jie Xu
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Bi-Xin Shen
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Si-Si Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Bing-Hui Jin
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Qun-Yan Zhu
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - De-Li ZhuGe
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Xue-Qing Wu
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Jian Xiao
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Ying-Zheng Zhao
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
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Jafari B, Hamzeh-Mivehroud M, Moosavi-Movahedi AA, Dastmalchi S. Identification of Novel Single-Domain Antibodies against FGF7 Using Phage Display Technology. SLAS DISCOVERY 2017; 23:193-201. [DOI: 10.1177/2472555217728520] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Fibroblast growth factor 7 (FGF7) is a member of the fibroblast growth factor (FGF) family of proteins. FGF7 is of stromal origin and produces a paracrine effect on epithelial cells. In the current investigation, we aimed to identify new single-domain antibodies (sdAbs) against FGF7 using phage display technology. The vector harboring the codon-optimized DNA sequence for FGF7 protein was transformed into Escherichia coli BL21 (DE3) pLysS, and then the protein was expressed at the optimized condition. Enzyme-linked immunosorbent assay, circular dichroism spectropolarimetry, and in vitro scratch assay experiments were used to confirm the proper folding and functionality of the purified FGF7 protein. The purity of the produced FGF7 was 92%, with production yield of 3.5 mg/L of culture. Panning against the purified FGF7 was performed, and the identified single-domain antibodies showed significant affinity. Further investigation on one of the selected sdAb displaying phage clones showed concentration-dependent binding to FGF7. The selected sdAb can be used for developing novel tumor-suppressing agents where inhibition of FGF7 is required.
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Affiliation(s)
- Behzad Jafari
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- School of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Hamzeh-Mivehroud
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- School of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Siavoush Dastmalchi
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- School of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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Radioprotective effects of Keratinocyte Growth Factor-1 against irradiation-induced salivary gland hypofunction. Oncotarget 2017; 8:13496-13508. [PMID: 28086221 PMCID: PMC5355115 DOI: 10.18632/oncotarget.14583] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 12/28/2016] [Indexed: 11/25/2022] Open
Abstract
Irradiation can cause salivary gland hypofunction, with hyposalivation producing discomfort, health risks, and reducing function in daily life. Despite increasing translational research interest in radioprotection, there are no satisfactory treatments available. Keratinocyte growth factor-1 stimulates proliferation of salivary epithelial cells or salivary stem/progenitor cells. However, the exact mechanism of its radioprotection against radiation-induced salivary hypofunction is not fully elucidated. Our results reveal that the radioprotective effects of keratinocyte growth factor-1 involved alleviation of growth inhibition and anti-apoptotic cell death of human parotid epithelial cells. Furthermore, keratinocyte growth factor-1 protected human parotid epithelial cells through the phosphoinositide 3-kinase - protein kinase B (Akt) pathway and inhibition of p53-mediated apoptosis through activation of mouse double minute 2. Local delivery of keratinocyte growth factor-1 into the irradiated salivary glands could protect radiation-induced salivary cell damages, suppress p53-mediated apoptosis and prevent salivary hypofunction in vivo. This suggests that keratinocyte growth factor-1 is a promising candidate to prevent radiation-induced salivary hypofunction and raise rational development keratinocyte growth factor-1 local delivery system.
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Chaudhry MS, Velardi E, Malard F, van den Brink MRM. Immune Reconstitution after Allogeneic Hematopoietic Stem Cell Transplantation: Time To T Up the Thymus. THE JOURNAL OF IMMUNOLOGY 2017; 198:40-46. [PMID: 27994167 DOI: 10.4049/jimmunol.1601100] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 09/01/2016] [Indexed: 01/09/2023]
Abstract
The success of allogeneic hematopoietic stem cell transplantation, a key treatment for many disorders, is intertwined with T cell immune reconstitution. The thymus plays a key role post allogeneic hematopoietic stem cell transplantation in the generation of a broad but self-tolerant T cell repertoire, but it is exquisitely sensitive to a range of insults during the transplant period, including conditioning regimens, corticosteroids, infections, and graft-versus-host disease. Although endogenous thymic repair is possible it is often suboptimal, and there is a need to develop exogenous strategies to help regenerate the thymus. Therapies currently in clinical trials in the transplant setting include keratinocyte growth factor, cytokines (IL-7 and IL-22), and hormonal modulation including sex steroid inhibition and growth hormone administration. Such regenerative strategies may ultimately enable the thymus to play as prominent a role after transplant as it once did in early childhood, allowing a more complete restoration of the T cell compartment.
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Affiliation(s)
- Mohammed S Chaudhry
- Immunology Program, Memorial Sloan-Kettering Cancer Center, New York, NY 10065
| | - Enrico Velardi
- Immunology Program, Memorial Sloan-Kettering Cancer Center, New York, NY 10065
| | - Florent Malard
- Immunology Program, Memorial Sloan-Kettering Cancer Center, New York, NY 10065
| | - Marcel R M van den Brink
- Immunology Program, Memorial Sloan-Kettering Cancer Center, New York, NY 10065; .,Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10065; and.,Department of Immunology and Microbial Pathogenesis, Weill Cornell Medical College, New York, NY 10021
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