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De Angelis P, Rella E, Manicone PF, Gasparini G, Giovannini V, Liguori MG, Camodeca F, De Rosa G, Cavalcanti C, D'Addona A. The Effect of Hyperlipidemia on Peri-implant Health: A Clinical and Radiographical Prospective Study. BIOMED RESEARCH INTERNATIONAL 2023; 2023:7570587. [PMID: 37284029 PMCID: PMC10241576 DOI: 10.1155/2023/7570587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 07/13/2022] [Indexed: 06/08/2023]
Abstract
High levels of cholesterol and triglycerides may have a negative effect on the immune system and bone health, leading to lower bone mineral density, an increased risk of osteoporosis, and bone fractures, and could therefore also be related to a significant worsening of peri-implant health. The purpose of the following study was to evaluate whether the altered lipid profile in patients who undergo implant insertion surgery represents a prognostic factor capable of influencing clinical outcomes. This prospective observational study was conducted on 93 subjects; patients were required to have taken blood tests to obtain triglycerides (TG), total cholesterol, low-density lipoprotein (LDL), and high-density lipoprotein (HDL) levels prior to the surgical procedure to classify them according to current American Heart Association guidelines. The outcomes considered were marginal bone loss (MBL) 3 years after implant placement, full-mouth plaque score (FMPS), and full-mouth bleeding score (FMBS) 3 years after surgery. A statistically significant correlation was found between hypertriglyceridemia and MBL as well as between total cholesterol and MBL. There is no statistically significant correlation between the variables analyzed and the secondary outcomes 3 years after implant placement. Peri-implant marginal bone loss may be influenced by hyperlipidemia. However, further studies are needed, with larger samples and more extensive follow-ups, to confirm these results.
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Affiliation(s)
- Paolo De Angelis
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
| | - Edoardo Rella
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
| | - Paolo Francesco Manicone
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
| | - Giulio Gasparini
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
| | - Valerio Giovannini
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
| | - Margherita Giorgia Liguori
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
| | - Francesca Camodeca
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
| | - Giuseppe De Rosa
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
| | - Camilla Cavalcanti
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
| | - Antonio D'Addona
- Department of Head and Neck and Sensory Organs, Division of Oral and Maxillofacial Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
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Heydari N, Sharifi R, Nourbakhsh M, Golpour P, Nourbakhsh M. Long non-coding RNAs TUG1 and MEG3 in patients with type 2 diabetes and their association with endoplasmic reticulum stress markers. J Endocrinol Invest 2023:10.1007/s40618-023-02007-5. [PMID: 36662419 DOI: 10.1007/s40618-023-02007-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 01/05/2023] [Indexed: 01/21/2023]
Abstract
BACKGROUND Long non-coding RNAs (lncRNAs), including taurine upregulated gene 1 (TUG1), metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), and maternally expressed 3 (MEG3) play a regulatory role in endoplasmic reticulum (ER) stress. The present study aimed to investigate the expression of these lncRNAs in patients with type 2 diabetes and their association with biochemical and ER stress parameters. MATERIALS AND METHODS Participants included 57 patients with diabetes and 32 healthy individuals. Real-time PCR was performed to assess MALAT1, TUG1, MEG3, ATF4, and CHOP gene expression in peripheral blood mononuclear cells. Plasma GRP78, advanced glycation end products (AGEs), and insulin were measured using enzyme-linked immunosorbent assay (ELISA), and insulin resistance (IR) was calculated by the homeostasis model assessment of insulin resistance (HOMA-IR). RESULTS The expression of TUG1, MEG3, ATF4, and CHOP genes was significantly increased in the patients with diabetes compared to healthy individuals. MALAT1 gene expression was also higher in patients group; although it did not reach significant levels. TUG1 and MEG3 expression revealed significant positive correlations with the indices of glycemic control, including FBS, HbA1c, HOMA-IR, and AGEs, as well as markers of ER stress. MALAT1 expression was also positively correlated with ATF4 and AGEs. CONCLUSION The expression levels of TUG1 and MEG3 lncRNAs were increased in patients with diabetes and were associated with glycemic control and components of ER stress. Thus, these lncRNAs might be considered appropriate markers to identify ER stress due to hyperglycemia.
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Affiliation(s)
- N Heydari
- Department of Biochemistry, School of Medicine, Iran University of Medical Sciences, Hemmat Highway, Tehran, 1449614535, Iran
| | - R Sharifi
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Iran University of Medical Sciences, Hemmat Highway, Tehran, 1449614535, Iran.
| | - M Nourbakhsh
- Hazrat Aliasghar Children's Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - P Golpour
- Department of Biochemistry, School of Medicine, Yazd University of Medical Sciences, Yazd, Iran
| | - M Nourbakhsh
- Department of Biochemistry, School of Medicine, Iran University of Medical Sciences, Hemmat Highway, Tehran, 1449614535, Iran.
- Finetech in Medicine Research Center, Iran University of Medical Sciences, Hemmat Highway, Tehran, 1449614535, Iran.
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Sontam DM, Vickers MH, Firth EC, O'Sullivan JM. A Memory of Early Life Physical Activity Is Retained in Bone Marrow of Male Rats Fed a High-Fat Diet. Front Physiol 2017; 8:476. [PMID: 28736532 PMCID: PMC5500658 DOI: 10.3389/fphys.2017.00476] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 06/21/2017] [Indexed: 12/17/2022] Open
Abstract
Studies have reported opposing effects of high-fat (HF) diet and mechanical stimulation on lineage commitment of the bone marrow stem cells. Yet, how bone marrow modulates its gene expression in response to the combined effects of mechanical loading and a HF diet has not been addressed. We investigated whether early-life (before onset of sexual maturity at 6 weeks of age) voluntary physical activity can modulate the effects of a HF diet on male Sprague Dawley rats. In the bone marrow, early-life HF diet resulted in adipocyte hypertrophy and a pro-inflammatory and pro-adipogenic gene expression profile. The bone marrow of the rats that undertook wheel exercise while on a HF diet retained a memory of the early-life exercise. This memory lasted at least 60 days after the cessation of the voluntary exercise. Our results are consistent with the marrow adipose tissue having a unique response to HF feeding in the presence or absence of exercise.
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Affiliation(s)
- Dharani M Sontam
- The Liggins Institute, University of AucklandAuckland, New Zealand.,Gravida: National Centre for Growth and Development, University of AucklandAuckland, New Zealand
| | - Mark H Vickers
- The Liggins Institute, University of AucklandAuckland, New Zealand.,Gravida: National Centre for Growth and Development, University of AucklandAuckland, New Zealand
| | - Elwyn C Firth
- The Liggins Institute, University of AucklandAuckland, New Zealand.,Gravida: National Centre for Growth and Development, University of AucklandAuckland, New Zealand.,Department of Sport and Exercise Science, University of AucklandAuckland, New Zealand
| | - Justin M O'Sullivan
- The Liggins Institute, University of AucklandAuckland, New Zealand.,Gravida: National Centre for Growth and Development, University of AucklandAuckland, New Zealand
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Youn JY, Zhou J, Cai H. Bone Morphogenic Protein 4 Mediates NOX1-Dependent eNOS Uncoupling, Endothelial Dysfunction, and COX2 Induction in Type 2 Diabetes Mellitus. Mol Endocrinol 2015; 29:1123-33. [PMID: 26121233 PMCID: PMC4518001 DOI: 10.1210/me.2014-1313] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Accepted: 06/24/2015] [Indexed: 11/19/2022] Open
Abstract
We have recently shown that angiotensin II-mediated uncoupling of endothelial nitric oxide synthase (eNOS) contributes to endothelial dysfunction in streptozotocin-induced type 1 diabetes mellitus. However, it has remained unclear whether and how eNOS uncoupling occurs in type 2 diabetes mellitus (T2DM) and the consequences of such in regulating vascular function. Here we investigated a role of bone morphogenic protein (BMP)-4 in mediating eNOS uncoupling, endothelial dysfunction, and inflammation in db/db mice. Circulating levels of BMP4 were markedly elevated in db/db mice but not in mice with type 1 diabetes mellitus, in which angiotensin II levels were significantly increased. Infusion of BMP4 antagonist noggin into db/db mice (15 μg/kg/day, 4 weeks) abolished eNOS uncoupling activity while restoring tetrahydrobiopterin (H(4)B) bioavailability. The impaired endothelium-dependent vasorelaxation in db/db aortas was significantly improved by noggin infusion. Exposure of aortic endothelial cells to BMP4 (50 ng/mL, 24 hours) resulted in eNOS uncoupling, which was attenuated by H(4)B precursor sepiapterin or small interfering RNA silencing nicotinamide adenine dinucleotide phosphate oxidase isoform 1 (NOX1). Interestingly, BMP4-dependent NOX1 up-regulation was abrogated by sepiapterin, implicating a NOX1-uncoupled eNOS-NOX1 feed-forward loop. BMP4 induction of cyclooxygenase 2 (COX2) expression and vascular cell adhesion protein 1 was found in db/db mice. Consistently, COX2 was up-regulated by BMP4 in endothelial cells, which was attenuated by sepiapterin, implicating an upstream role of eNOS uncoupling in COX2-mediated inflammatory activation. Taken together, our data for the first time reveal a novel role of BMP4 in inducing NOX1-dependent eNOS uncoupling in T2DM, which may promote development of novel therapeutics restoring endothelial function in T2DM.
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Affiliation(s)
- Ji-Youn Youn
- Divisions of Molecular Medicine and Cardiology, Departments of Anesthesiology and Medicine, Cardivascular Research Laboratories, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California 90095
| | - Jun Zhou
- Divisions of Molecular Medicine and Cardiology, Departments of Anesthesiology and Medicine, Cardivascular Research Laboratories, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California 90095
| | - Hua Cai
- Divisions of Molecular Medicine and Cardiology, Departments of Anesthesiology and Medicine, Cardivascular Research Laboratories, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California 90095
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Keuroghlian A, Barroso ADV, Kirikian G, Bezouglaia O, Tintut Y, Tetradis S, Moy P, Pirih F, Aghaloo T. The effects of hyperlipidemia on implant osseointegration in the mouse femur. J ORAL IMPLANTOL 2013; 41:e7-e11. [PMID: 24295508 DOI: 10.1563/aaid-joi-d-13-00105] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A high-fat (HF) diet inducing hyperlipidemia has been associated with the pathophysiology of major diseases, such as atherosclerosis and osteoporosis. A HF diet has significant adverse effects on bone, including lower bone density, volume, and strength. Statins, drugs that lower serum cholesterol levels have beneficial effects on bone metabolism. Since the host's bone quantity, quality, and healing potential play a crucial role in osseointegration of dental implants, we hypothesized that hyperlipidemia may negatively affect implant osseointegration. In the present study, we evaluated the effects of hyperlipidemia on implant osseointegration in mice. Atherosclerosis susceptible C57BL/6J male mice were randomly placed on a control chow or a HF diet. After 12 weeks on the diet, each mouse received a titanium implant in the proximal metaphysis of the femur. The animals were humanely killed at 4 or 8 weeks after the implant surgery. Results showed that the mice fed a HF diet had significantly increased implant loss as well as decreased formation and strength of bone-to-implant interface. These results support the hypothesis that a HF diet can significantly compromise osseointegration, causing poor outcome in dental implant therapy.
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Shibuya N, Humphers JM, Fluhman BL, Jupiter DC. Factors associated with nonunion, delayed union, and malunion in foot and ankle surgery in diabetic patients. J Foot Ankle Surg 2013; 52:207-11. [PMID: 23313498 DOI: 10.1053/j.jfas.2012.11.012] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2012] [Indexed: 02/03/2023]
Abstract
The incidence of bone healing complications in diabetic patients is believed to be high after foot and ankle surgery. Although the association of hyperglycemia with bone healing complications has been well documented, little clinical information is available to show which diabetes-related comorbidities directly affect bone healing. Our goal was to better understand the risk factors associated with poor bone healing in the diabetic population through an exploratory, observational, retrospective, cohort study. To this end, 165 diabetic patients who had undergone arthrodesis, osteotomy, or fracture reduction were enrolled in the study to assess the risk factors associated with nonunion, delayed union, and malunion after elective and nonelective foot and/or ankle surgery. Bivariate analyses showed that a history of foot ulcer, peripheral neuropathy, and surgery duration were statistically significantly associated with bone healing complications. After adjusting for other covariates, only peripheral neuropathy, surgery duration, and hemoglobin A1c levels >7% were significantly associated statistically with bone healing complications. Of the risk factors we considered, peripheral neuropathy had the strongest association with bone healing complications.
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Affiliation(s)
- Naohiro Shibuya
- Department of Surgery, Texas A&M Health and Science Center College of Medicine, Temple, TX, USA.
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