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Patriarca EJ, Cermola F, D’Aniello C, Fico A, Guardiola O, De Cesare D, Minchiotti G. The Multifaceted Roles of Proline in Cell Behavior. Front Cell Dev Biol 2021; 9:728576. [PMID: 34458276 PMCID: PMC8397452 DOI: 10.3389/fcell.2021.728576] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 07/23/2021] [Indexed: 12/13/2022] Open
Abstract
Herein, we review the multifaceted roles of proline in cell biology. This peculiar cyclic imino acid is: (i) A main precursor of extracellular collagens (the most abundant human proteins), antimicrobial peptides (involved in innate immunity), salivary proteins (astringency, teeth health) and cornifins (skin permeability); (ii) an energy source for pathogenic bacteria, protozoan parasites, and metastatic cancer cells, which engage in extracellular-protein degradation to invade their host; (iii) an antistress molecule (an osmolyte and chemical chaperone) helpful against various potential harms (UV radiation, drought/salinity, heavy metals, reactive oxygen species); (iv) a neural metabotoxin associated with schizophrenia; (v) a modulator of cell signaling pathways such as the amino acid stress response and extracellular signal-related kinase pathway; (vi) an epigenetic modifier able to promote DNA and histone hypermethylation; (vii) an inducer of proliferation of stem and tumor cells; and (viii) a modulator of cell morphology and migration/invasiveness. We highlight how proline metabolism impacts beneficial tissue regeneration, but also contributes to the progression of devastating pathologies such as fibrosis and metastatic cancer.
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Affiliation(s)
| | | | | | | | | | | | - Gabriella Minchiotti
- Stem Cell Fate Laboratory, Institute of Genetics and Biophysics “A. Buzzati Traverso”, Consiglio Nazionale delle Ricerche, Naples, Italy
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Hydroxyproline in animal metabolism, nutrition, and cell signaling. Amino Acids 2021; 54:513-528. [PMID: 34342708 DOI: 10.1007/s00726-021-03056-x] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 07/26/2021] [Indexed: 12/11/2022]
Abstract
trans-4-Hydroxy-L-proline is highly abundant in collagen (accounting for about one-third of body proteins in humans and other animals). This imino acid (loosely called amino acid) and its minor analogue trans-3-hydroxy-L-proline in their ratio of approximately 100:1 are formed from the post-translational hydroxylation of proteins (primarily collagen and, to a much lesser extent, non-collagen proteins). Besides their structural and physiological significance in the connective tissue, both trans-4-hydroxy-L-proline and trans-3-hydroxy-L-proline can scavenge reactive oxygen species and have both structural and physiological significance in animals. The formation of trans-4-hydroxy-L-proline residues in protein kinases B and DYRK1A, eukaryotic elongation factor 2 activity, and hypoxia-inducible transcription factor plays an important role in regulating their phosphorylation and catalytic activation as well as cell signaling in animal cells. These biochemical events contribute to the modulation of cell metabolism, growth, development, responses to nutritional and physiological changes (e.g., dietary protein intake and hypoxia), and survival. Milk, meat, skin hydrolysates, and blood, as well as whole-body collagen degradation provide a large amount of trans-4-hydroxy-L-proline. In animals, most (nearly 90%) of the collagen-derived trans-4-hydroxy-L-proline is catabolized to glycine via the trans-4-hydroxy-L-proline oxidase pathway, and trans-3-hydroxy-L-proline is degraded via the trans-3-hydroxy-L-proline dehydratase pathway to ornithine and glutamate, thereby conserving dietary and endogenously synthesized proline and arginine. Supplementing trans-4-hydroxy-L-proline or its small peptides to plant-based diets can alleviate oxidative stress, while increasing collagen synthesis and accretion in the body. New knowledge of hydroxyproline biochemistry and nutrition aids in improving the growth, health and well-being of humans and other animals.
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Misiura M, Miltyk W. Proline-containing peptides-New insight and implications: A Review. Biofactors 2019; 45:857-866. [PMID: 31430415 DOI: 10.1002/biof.1554] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 07/15/2019] [Accepted: 07/31/2019] [Indexed: 12/18/2022]
Abstract
The family of regulatory proline-containing peptides (PCPs), also known as glyprolines, exhibit significant biological activity. The group of glyprolines includes Gly-Pro (GP), Pro-Gly-Pro (PGP), cyclic Gly-Pro (cGP), as well as PGP derivatives, for example, N-acetylated PGP (N-a-PGP) and N-methylated PGP (N-m-PGP). PCPs are engaged in various biological processes including the proinflammatory neutrophil chemoattraction in lung diseases, inflammatory bowel diseases or ischemic stroke. Glyprolines have been also postulated to play an important role as atheroprotective and anticoagulant agents, exhibit neuroprotective effects in Parkinson's disease, as well as regulate insulin-like growth factor (IGF) homeostasis. It was also noticed that PCPs inhibit proliferation and migration of keratinocytes in wound healing, protection of the gastric mucosa and stimulation of its regeneration. The regulatory glyprolines are derived from endogenous and exogenous sources. Most PCPs are derived from collagen or diet protein degradation. Recently, great interest is concentrated on short proline-rich oligopeptides derived from IGF-1 degradation. The mechanism of PCPs biological activity is not fully explained. It involves receptor-mediated mechanisms, for example, N-a-PGP acts as CXCR1/2 receptor ligand, whereas cGP regulates IGF-1 bioavailability by modifying the IGF-1 binding to the IGF-1 binding protein-3. PGP has been observed to interact with collagen-specific receptors. The data suggest a promising role of PGP as a target of various diseases therapy. This review is focused on the effect of PCPs on metabolic processes in different tissues and the molecular mechanism of their action as an approach to pharmacotherapy of PCPs-dependent diseases.
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Affiliation(s)
- Magdalena Misiura
- Department of Pharmaceutical Analysis and Bioanalysis, Medical University of Bialystok, Białystok, Poland
| | - Wojciech Miltyk
- Department of Pharmaceutical Analysis and Bioanalysis, Medical University of Bialystok, Białystok, Poland
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Cwiklinski K, Donnelly S, Drysdale O, Jewhurst H, Smith D, De Marco Verissimo C, Pritsch IC, O'Neill S, Dalton JP, Robinson MW. The cathepsin-like cysteine peptidases of trematodes of the genus Fasciola. ADVANCES IN PARASITOLOGY 2019; 104:113-164. [PMID: 31030768 DOI: 10.1016/bs.apar.2019.01.001] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Fasciolosis caused by trematode parasites of the genus Fasciola is a global disease of livestock, particularly cattle, sheep, water buffalo and goats. It is also a major human zoonosis with reports suggesting that 2.4-17 million people are infected worldwide, and 91.1 million people currently living at risk of infection. A unique feature of these worms is their reliance on a family of developmentally-regulated papain-like cysteine peptidases, termed cathepsins. These proteolytic enzymes play central roles in virulence, infection, tissue migration and modulation of host innate and adaptive immune responses. The availability of a Fasciola hepatica genome, and the exploitation of transcriptomic and proteomic technologies to probe parasite growth and development, has enlightened our understanding of the cathepsin-like cysteine peptidases. Here, we clarify the structure of the cathepsin-like cysteine peptidase families and, in this context, review the phylogenetics, structure, biochemistry and function of these enzymes in the host-parasite relationship.
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Affiliation(s)
- Krystyna Cwiklinski
- School of Biological Sciences, Queen's University Belfast, Belfast, United Kingdom
| | - Sheila Donnelly
- School of Biological Sciences, Queen's University Belfast, Belfast, United Kingdom; The School of Life Sciences, University of Technology Sydney (UTS), Ultimo, Sydney, NSW, Australia
| | - Orla Drysdale
- School of Biological Sciences, Queen's University Belfast, Belfast, United Kingdom
| | - Heather Jewhurst
- School of Biological Sciences, Queen's University Belfast, Belfast, United Kingdom
| | - David Smith
- School of Biological Sciences, Queen's University Belfast, Belfast, United Kingdom
| | | | - Izanara C Pritsch
- School of Biological Sciences, Queen's University Belfast, Belfast, United Kingdom; Department of Basic Pathology, Federal University of Parana, Curitiba, Brazil
| | - Sandra O'Neill
- School of Biotechnology, Dublin City University, Dublin, Republic of Ireland
| | - John P Dalton
- School of Biological Sciences, Queen's University Belfast, Belfast, United Kingdom
| | - Mark W Robinson
- School of Biological Sciences, Queen's University Belfast, Belfast, United Kingdom.
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Abstract
SIGNIFICANCE Hydroxyproline is a structurally and physiologically important imino acid in animals. It is provided from diets and endogenous synthesis, and its conversion into glycine enhances the production of glutathione, DNA, heme, and protein. Furthermore, oxidation of hydroxyproline by hydroxyproline oxidase (OH-POX) plays an important role in cell antioxidative reactions, survival, and homeostasis. Understanding the mechanisms whereby hydroxyproline participates in metabolism and cell signaling can improve the nutrition and health of animals and humans. Recent Advances: Hydroxyproline is highly abundant in milk and is utilized for renal synthesis of glycine to support neonatal growth, development, and survival. The oxidation of hydroxyproline by mitochondrial OH-POX generates reactive oxygen species (ROS). Enhanced ROS production contributes to the regulation of oxidative defense, apoptosis, angiogenesis, tumorigenesis, hypoxic responses, and cell survival in animals. CRITICAL ISSUES Although dietary hydroxyproline enters the portal circulation, its utilization by the portal-drained viscera is unknown. Pathways for hydroxyproline metabolism and their regulation at the molecular, cellular, and whole-body levels remain to be defined. Furthermore, the mechanisms responsible for hydroxyproline-derived ROS and related metabolites to induce cell survival or apoptosis are unknown. FUTURE DIRECTIONS Interorgan metabolism of hydroxyproline (including synthesis, catabolism, and flux) in animals must be quantified using isotope technologies. Efforts should also be directed toward studying dietary, hormonal, and epigenetic regulation of OH-POX expression at transcriptional and translational levels. Another emerging research need is to understand the roles of cellular redox and signaling networks involving both ROS and Δ1-pyrroline-3-hydroxy-5-carboxylate in nutrition, health, and disease.
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Affiliation(s)
- Zhenlong Wu
- 1 State Key Laboratory of Animal Nutrition, China Agricultural University , Beijing, China
| | - Yongqing Hou
- 2 Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University , Wuhan, China
| | - Zhaolai Dai
- 1 State Key Laboratory of Animal Nutrition, China Agricultural University , Beijing, China
| | - Chien-An A Hu
- 2 Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University , Wuhan, China .,3 Department of Biochemistry and Molecular Biology, University of New Mexico , Health Sciences Center, Albuquerque, New Mexico
| | - Guoyao Wu
- 1 State Key Laboratory of Animal Nutrition, China Agricultural University , Beijing, China .,2 Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University , Wuhan, China .,4 Department of Animal Science, Texas A&M University , College Station, Texas
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Hirata H, Tanaka K, Sakai A, Kakinoki R, Ikegami H, Tateishi N. Efficacy and safety of collagenase Clostridium histolyticum injection for Dupuytren's contracture in non-Caucasian Japanese patients (CORD-J Study): the first clinical trial in a non-Caucasian population. J Hand Surg Eur Vol 2017; 42:30-38. [PMID: 27313184 DOI: 10.1177/1753193416653249] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
UNLABELLED To assess the efficacy, safety and pharmacokinetics of 0.58 mg collagenase Clostridium histolyticum injections for the treatment of Dupuytren's contracture in Japanese patients, we conducted a phase III, multicentre, uncontrolled, open-label clinical study in patients with Dupuytren's contracture. Of the 77 patients, 66 achieved clinical success in the primary treated joint (86%; 95% confidence interval: 76% to 93%), confirming the efficacy of collagenase Clostridium histolyticum injections. More improvement was seen in the metacarpophalangeal joints than in the proximal interphalangeal joints (94% versus 73%). The main adverse reaction was a local reaction in the injected hand. No tendon rupture or anaphylactic reactions were seen. The concentrations of collagenase Clostridium histolyticum were below the lower limit of quantification in plasma samples at all time points. As seen in global studies in Caucasian patients, a corrective effect on Dupuytren's contracture and good tolerance were observed in most non-Caucasian (Asian) Japanese patients. LEVEL OF EVIDENCE Level 3.
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Affiliation(s)
- H Hirata
- 1 Department of Hand Surgery, Graduate School of Nagoya University, Nagoya, Japan
| | - K Tanaka
- 2 Department of Plastic and Reconstructive Surgery, Nagasaki University, Nagasaki, Japan
| | - A Sakai
- 3 Department of Orthopaedic Surgery, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - R Kakinoki
- 4 Department of Rehabilitation Medicine, Kyoto University Hospital, Kyoto, Japan.,a Current address: Department of Orthopaedic Surgery, Kindai University, Osaka, Japan
| | - H Ikegami
- 5 Department of Orthopedic Surgery, Toho University Ohashi Medical Center, Tokyo, Japan
| | - N Tateishi
- 6 Development Planning, Clinical Development Center, Asahi Kasei Pharma Corporation, Tokyo, Japan
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Gaggar A, Weathington N. Bioactive extracellular matrix fragments in lung health and disease. J Clin Invest 2016; 126:3176-84. [PMID: 27584731 DOI: 10.1172/jci83147] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The extracellular matrix (ECM) is the noncellular component critical in the maintenance of organ structure and the regulation of tissue development, organ structure, and cellular signaling. The ECM is a dynamic entity that undergoes continuous degradation and resynthesis. In addition to compromising structure, degradation of the ECM can liberate bioactive fragments that cause cellular activation and chemotaxis of a variety of cells. These fragments are termed matrikines, and their cellular activities are sentinel in the development and progression of tissue injury seen in chronic lung disease. Here, we discuss the matrikines that are known to be active in lung biology and their roles in lung disease. We also consider the use of matrikines as disease markers and potential therapeutic targets in lung disease.
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Burgess JK, Weckmann M. Matrikines and the lungs. Pharmacol Ther 2012; 134:317-37. [PMID: 22366287 DOI: 10.1016/j.pharmthera.2012.02.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 02/03/2012] [Indexed: 01/09/2023]
Abstract
The extracellular matrix is a complex network of fibrous and nonfibrous molecules that not only provide structure to the lung but also interact with and regulate the behaviour of the cells which it surrounds. Recently it has been recognised that components of the extracellular matrix proteins are released, often through the action of endogenous proteases, and these fragments are termed matrikines. Matrikines have biological activities, independent of their role within the extracellular matrix structure, which may play important roles in the lung in health and disease pathology. Integrins are the primary cell surface receptors, characterised to date, which are used by the matrikines to exert their effects on cells. However, evidence is emerging for the need for co-factors and other receptors for the matrikines to exert their effects on cells. The potential for matrikines, and peptides derived from these extracellular matrix protein fragments, as therapeutic agents has recently been recognised. The natural role of these matrikines (including inhibitors of angiogenesis and possibly inflammation) make them ideal targets to mimic as therapies. A number of these peptides have been taken forward into clinical trials. The focus of this review will be to summarise our current understanding of the role, and potential for highly relevant actions, of matrikines in lung health and disease.
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Affiliation(s)
- Janette K Burgess
- Cell Biology, Woolcock Institute of Medical Research, Sydney, NSW, Australia.
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Overbeek SA, Henricks PAJ, Srienc AI, Koelink PJ, de Kruijf P, Lim HD, Smit MJ, Zaman GJR, Garssen J, Nijkamp FP, Kraneveld AD, Folkerts G. N-acetylated Proline-Glycine-Proline induced G-protein dependent chemotaxis of neutrophils is independent of CXCL8 release. Eur J Pharmacol 2011; 668:428-34. [PMID: 21458443 DOI: 10.1016/j.ejphar.2011.03.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Revised: 03/22/2011] [Accepted: 03/22/2011] [Indexed: 11/26/2022]
Abstract
Chronic inflammation in lung diseases contributes to lung tissue destruction leading to the formation of chemotactic collagen fragments such as N-acetylated Proline-Glycine-Proline (N-ac-PGP). In this study, we investigated in more detail the mechanism of action of N-ac-PGP in neutrophilic inflammation. N-ac-PGP was chemotactic for human neutrophils via pertussis toxin sensitive G protein-coupled receptors in vitro and directly activated this cell type, which led to cytosolic calcium mobilization and release of CXCL8. Furthermore, using a selective CXCR2 antagonist confirmed that N-ac-PGP-induced neutrophil chemotaxis is mediated through CXCR2 activation. To determine whether N-ac-PGP was solely responsible for the migration and activation of human neutrophils in vitro and not the released CXCL8 upon stimulation with N-ac-PGP, an antibody directed against CXCL8 was used. Performing chemotaxis and calcium influx assays in the presence of this antibody did not alter the effects of N-ac-PGP whereas effects of CXCL8 were attenuated. These experiments indicate that N-ac-PGP, in addition to the direct induction of chemotaxis, also directly activates neutrophils to release CXCL8. In vivo, this may lead in the long term to a self-maintaining situation enhanced by both N-ac-PGP and CXCL8, leading to a further increase in neutrophil infiltration and chronic inflammation.
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Affiliation(s)
- Saskia A Overbeek
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands.
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Brundige DR, Maga EA, Klasing KC, Murray JD. Consumption of pasteurized human lysozyme transgenic goats' milk alters serum metabolite profile in young pigs. Transgenic Res 2010; 19:563-74. [PMID: 19847666 PMCID: PMC2902735 DOI: 10.1007/s11248-009-9334-4] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2009] [Accepted: 10/08/2009] [Indexed: 12/27/2022]
Abstract
Nutrition, bacterial composition of the gastrointestinal tract, and general health status can all influence the metabolic profile of an organism. We previously demonstrated that feeding pasteurized transgenic goats' milk expressing human lysozyme (hLZ) can positively impact intestinal morphology and modulate intestinal microbiota composition in young pigs. The objective of this study was to further examine the effect of consuming hLZ-containing milk on young pigs by profiling serum metabolites. Pigs were placed into two groups and fed a diet of solid food and either control (non-transgenic) goats' milk or milk from hLZ-transgenic goats for 6 weeks. Serum samples were collected at the end of the feeding period and global metabolite profiling was performed. For a total of 225 metabolites (160 known, 65 unknown) semi-quantitative data was obtained. Levels of 18 known and 4 unknown metabolites differed significantly between the two groups with the direction of change in 13 of the 18 known metabolites being almost entirely congruent with improved health status, particularly in terms of the gastrointestinal tract health and immune response, with the effects of the other five being neutral or unknown. These results further support our hypothesis that consumption of hLZ-containing milk is beneficial to health.
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Affiliation(s)
- Dottie R. Brundige
- Department of Animal Science, Meyer Hall, University of California, One Shields Avenue, Davis, CA 95616 USA
| | - Elizabeth A. Maga
- Department of Animal Science, Meyer Hall, University of California, One Shields Avenue, Davis, CA 95616 USA
| | - Kirk C. Klasing
- Department of Animal Science, Meyer Hall, University of California, One Shields Avenue, Davis, CA 95616 USA
| | - James D. Murray
- Department of Animal Science, Meyer Hall, University of California, One Shields Avenue, Davis, CA 95616 USA
- Department of Population Health and Reproduction, University of California, Davis, CA 95616 USA
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Abstract
Degradation of elastin, the main amorphous component of elastic fibers, by elastases belonging to the serine, metallo, or cysteine families leads to the generation of elastin fragments, designated as elastokines in keeping with their cytokine-like properties. Generation of elastokines from one of the longest lived protein in human might represent a strong tissue repair signal. Indeed, they (1) exhibit potent chemotactic activity for leukocytes, (2) stimulate fibroblast and smooth muscle cell proliferation, and (3) display proangiogenic activity as potent as VEGF. However, continuous exposure of cells to these matrikines, through increased elastase(s) expression with age, can contribute to the formation of a chronic inflammatory state, that is, inflamm-aging. Importantly, binding of elastokines to S-Gal, their cognate receptor, proved to stimulate matrix metalloproteinase expression in normal and cancer cells. Besides, these elastin fragments can polarize lymphocytes toward a Th-1 response or induce an osteogenic response in smooth muscle cells, and arterial wall calcification. In this chapter, emphasis will be made on the contribution of elastokines on the genesis of age-related arterial wall diseases, particularly abdominal aortic aneurysms (AAAs). An elastokine theory of AAAs progression will be proposed. Age is one main risk factor of cancer incidence and development. The myriad of biological effects exerted by elastokines on stromal and inflammatory cells led us to hypothesize that they might be main actors in elaborating a favorable cancerization field in melanoma; for instance these peptides could catalyze the vertical growth phase transition in melanoma through increased expression of gelatinase A and membrane-type 1 matrix metalloproteinase.
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Affiliation(s)
- Frank Antonicelli
- Faculty of Medicine Extracellular Matrix and Cell Signaling--Reims University, UMR 6198 CNRS 51095 Reims Cedex, France
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