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Shan C, Xia Y, Wu Z, Zhao J. HIF-1α and periodontitis: Novel insights linking host-environment interplay to periodontal phenotypes. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2023; 184:50-78. [PMID: 37769974 DOI: 10.1016/j.pbiomolbio.2023.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/27/2023] [Accepted: 09/20/2023] [Indexed: 10/03/2023]
Abstract
Periodontitis, the sixth most prevalent epidemic disease globally, profoundly impacts oral aesthetics and masticatory functionality. Hypoxia-inducible factor-1α (HIF-1α), an oxygen-dependent transcriptional activator, has emerged as a pivotal regulator in periodontal tissue and alveolar bone metabolism, exerts critical functions in angiogenesis, erythropoiesis, energy metabolism, and cell fate determination. Numerous essential phenotypes regulated by HIF are intricately associated with bone metabolism in periodontal tissues. Extensive investigations have highlighted the central role of HIF and its downstream target genes and pathways in the coupling of angiogenesis and osteogenesis. Within this concise perspective, we comprehensively review the cellular phenotypic alterations and microenvironmental dynamics linking HIF to periodontitis. We analyze current research on the HIF pathway, elucidating its impact on bone repair and regeneration, while unraveling the involved cellular and molecular mechanisms. Furthermore, we briefly discuss the potential application of targeted interventions aimed at HIF in the field of bone tissue regeneration engineering. This review expands our biological understanding of the intricate relationship between the HIF gene and bone angiogenesis in periodontitis and offers valuable insights for the development of innovative therapies to expedite bone repair and regeneration.
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Affiliation(s)
- Chao Shan
- Department of Dentistry, Xinjiang Medical University, Ürümqi, China; The First Affiliated Hospital of Xinjiang Medical University (Affiliated Stomatology Hospital), Ürümqi, China
| | - YuNing Xia
- Department of Dentistry, Xinjiang Medical University, Ürümqi, China; The First Affiliated Hospital of Xinjiang Medical University (Affiliated Stomatology Hospital), Ürümqi, China
| | - Zeyu Wu
- Department of Dentistry, Xinjiang Medical University, Ürümqi, China; The First Affiliated Hospital of Xinjiang Medical University (Affiliated Stomatology Hospital), Ürümqi, China
| | - Jin Zhao
- Department of Dentistry, Xinjiang Medical University, Ürümqi, China; The First Affiliated Hospital of Xinjiang Medical University (Affiliated Stomatology Hospital), Ürümqi, China; Xinjiang Uygur Autonomous Region Institute of Stomatology, Ürümqi, China.
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Chen L, Nini W, Jinmei Z, Jingmei Y. Implications of sleep disorders for periodontitis. Sleep Breath 2023; 27:1655-1666. [PMID: 36547852 DOI: 10.1007/s11325-022-02769-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/14/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022]
Abstract
PURPOSE Periodontitis is a chronic inflammatory disease caused by multi-factors. Sleep is a natural physiologic process, and the sleep duration, quality, and patterns might be associated with periodontitis. Meanwhile, periodontitis might in turn induce systemic inflammation and thus impact sleep in different ways as well. METHODS To investigate the bidirectional relationship between sleep disorder and periodontitis, a literature search was conducted to reveal the interaction and possible mechanism between these two diseases. RESULTS The results show that sleep disorders can affect the progression of periodontitis via some pathomechanisms, and periodontitis also has a reverse impact on sleep. CONCLUSION Although the epidemiologic and clinical trials found the possible associations between sleep disorder and periodontitis, their relationship is still not that explicit. Further studies are warranted to shed light on them, to improve preventive health care.
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Affiliation(s)
- Li Chen
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Disease, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, China
| | - Wang Nini
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Disease, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, China
| | - Zhang Jinmei
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Disease, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, China
| | - Yang Jingmei
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Disease, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, China.
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Wei H, Xie A, Li J, Fang C, Liu L, Xing J, Shi F, Mo F, Chen D, Xie H, Yang Q, Pan X, Tang X, Huang J. PD-1+ CD4 T cell immune response is mediated by HIF-1α/NFATc1 pathway after P. yoelii infection. Front Immunol 2022; 13:942862. [PMID: 36091043 PMCID: PMC9449323 DOI: 10.3389/fimmu.2022.942862] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 08/05/2022] [Indexed: 11/16/2022] Open
Abstract
The morbidity and mortality of malaria are still high. Programmed cell death-1(PD-1) is an important co-inhibitory factor and CD8 T cells with PD-1 were reported to be exhausted cells. It remains unknown what the role of CD4 T cells expressing PD-1 is and what the upstream regulating molecules of PD-1 in CD4 T cells are. The C57BL/6 mice were injected with Plasmodium yoelii (P. yoelii) in this study. Expressions of PD-1, activation markers, and cytokines were tested. The differentially expressed genes between PD-1+/- CD4 T cells were detected by microarray sequencing. Western blot, chromatin immunoprecipitation (ChIP), siRNA, hypoxia inducible factor-1α (HIF-1α) inducer and inhibitor were used to explore PD-1’s upstream molecules, respectively. The proportions of PD-1+ CD4 T cells increased post P. yoelii infection. PD-1+ CD4 T cells expressed more activated surface markers and could produce more cytokines. Nuclear factor of activated T cells 1 (NFATc1) was found to be a key transcription factor to induce PD-1 expression after infection. Both the inducer and the inhibitor of HIF-1α could change the expressions of NFATc1 and PD-1 in vivo and in vitro, respectively. Taken together, P. yoelii infection induced NFATc1 expression by HIF-1α. The highly expressed NFATc1 entered the nucleus and initiated PD-1 expression. PD-1+ CD4 T cells appeared to be more activated and could secrete more cytokines to regulate the host’s immune responses against malaria.
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Affiliation(s)
- Haixia Wei
- Department of Infectious Diseases, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Department of Basic Medical Science, China Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
| | - Anqi Xie
- Department of Basic Medical Science, China Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
| | - Jiajie Li
- Department of Basic Medical Science, China Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
| | - Chao Fang
- Department of Basic Medical Science, China Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
| | - Lin Liu
- Department of Basic Medical Science, China Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
| | - Junmin Xing
- Department of Basic Medical Science, China Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
| | - Feihu Shi
- Department of Infectious Diseases, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Feng Mo
- Department of Infectious Diseases, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Dianhui Chen
- Department of Infectious Diseases, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Department of Basic Medical Science, China Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
| | - Hongyan Xie
- Department of Basic Medical Science, China Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
| | - Quan Yang
- Department of Basic Medical Science, China Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
| | - Xingfei Pan
- Department of Infectious Diseases, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- *Correspondence: Xingfei Pan, ; Xiaoping Tang, ; Jun Huang,
| | - Xiaoping Tang
- Guangzhou Eighth People’s Hospital, Guangzhou Medical University, Guangzhou, China
- *Correspondence: Xingfei Pan, ; Xiaoping Tang, ; Jun Huang,
| | - Jun Huang
- Department of Basic Medical Science, China Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
- *Correspondence: Xingfei Pan, ; Xiaoping Tang, ; Jun Huang,
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Zhang X, Zhang S, Wang T. How the mechanical microenvironment of stem cell growth affects their differentiation: a review. Stem Cell Res Ther 2022; 13:415. [PMID: 35964140 PMCID: PMC9375355 DOI: 10.1186/s13287-022-03070-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 07/20/2022] [Indexed: 12/18/2022] Open
Abstract
Stem cell differentiation is of great interest in medical research; however, specifically and effectively regulating stem cell differentiation is still a challenge. In addition to chemical factors, physical signals are an important component of the stem cell ecotone. The mechanical microenvironment of stem cells has a huge role in stem cell differentiation. Herein, we describe the knowledge accumulated to date on the mechanical environment in which stem cells exist, which consists of various factors, including the extracellular matrix and topology, substrate stiffness, shear stress, hydrostatic pressure, tension, and microgravity. We then detail the currently known signalling pathways that stem cells use to perceive the mechanical environment, including those involving nuclear factor-kB, the nicotinic acetylcholine receptor, the piezoelectric mechanosensitive ion channel, and hypoxia-inducible factor 1α. Using this information in clinical settings to treat diseases is the goal of this research, and we describe the progress that has been made. In this review, we examined the effects of mechanical factors in the stem cell growth microenvironment on stem cell differentiation, how mechanical signals are transmitted to and function within the cell, and the influence of mechanical factors on the use of stem cells in clinical applications.
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Affiliation(s)
- Xiaofang Zhang
- Department of Radiotherapy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, China
| | - Sibo Zhang
- China Medical University, Shenyang, China
| | - Tianlu Wang
- Department of Radiotherapy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, China.
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Ye T, Lu L, Guo L, Liang M. Association Between Hemoglobin Levels and Osteoporosis in Chinese Patients with Type 2 Diabetes Mellitus: A Cross-Sectional Study. Diabetes Metab Syndr Obes 2022; 15:2803-2811. [PMID: 36128059 PMCID: PMC9482778 DOI: 10.2147/dmso.s382480] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/02/2022] [Indexed: 11/23/2022] Open
Abstract
PURPOSE To explore the relationship between hemoglobin levels and osteoporosis and the risk factors for osteoporosis in patients with type 2 diabetes mellitus (T2DM). PATIENTS AND METHODS A cross-sectional study was conducted in 495 T2DM adults. Medical data were collected from electronic medical records. RESULTS T2DM patients with osteoporosis had significant lower hemoglobin levels (P < 0.001). Spearman correlation analysis and logistic regression analysis showed that age, female, body mass index (BMI), smoking, drinking and hemoglobin levels were significantly associated with osteoporosis in T2DM patients (all P < 0.05). After adjustment for BMI, diabetic duration, estimated glomerular filtration rate (eGFR), smoking and drinking, a significant association between hemoglobin levels and osteoporosis was observed in T2DM males aged 50 years and older (odds ratio [OR] = 0.978, 95% confidence interval [CI]: 0.958-0.998, P = 0.030). Compared to Q3 groups with normal hemoglobin levels, Q1 groups with anemia had an odd of osteoporosis increased 2.9-fold in T2DM men after adjustment for age, BMI, diabetic duration, eGFR, smoking and drinking (P = 0.032). CONCLUSION Hemoglobin levels were associated with the presence of osteoporosis in T2DM men, especially in those aged 50 years and older.
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Affiliation(s)
- Tingting Ye
- Department of Geriatric Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning, People’s Republic of China
| | - Liujin Lu
- Department of Geriatric Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning, People’s Republic of China
| | - Liuqing Guo
- Department of Geriatric Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning, People’s Republic of China
| | - Min Liang
- Department of Geriatric Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning, People’s Republic of China
- Correspondence: Min Liang, Department of Geriatric Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning, People’s Republic of China, Tel +86 13878838907, Email
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Impacts of Hypoxia on Osteoclast Formation and Activity: Systematic Review. Int J Mol Sci 2021; 22:ijms221810146. [PMID: 34576310 PMCID: PMC8467526 DOI: 10.3390/ijms221810146] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/05/2021] [Accepted: 09/08/2021] [Indexed: 01/28/2023] Open
Abstract
Hypoxia is evident in several bone diseases which are characterized by excessive bone resorption by osteoclasts, the bone-resorbing cells. The effects of hypoxia on osteoclast formation and activities are widely studied but remain inconclusive. This systematic review discusses the studies reporting the effect of hypoxia on osteoclast differentiation and activity. A literature search for relevant studies was conducted through SCOPUS and PUBMED MEDLINE search engines. The inclusion criteria were original research articles presenting data demonstrating the effect of hypoxia or low oxygen on osteoclast formation and activity. A total of 286 studies were identified from the search, whereby 20 studies were included in this review, consisting of four in vivo studies and 16 in vitro studies. In total, 12 out of 14 studies reporting the effect of hypoxia on osteoclast activity indicated higher bone resorption under hypoxic conditions, 14 studies reported that hypoxia resulted in more osteoclasts, one study found that the number remained unchanged, and five studies indicated that the number decreased. In summary, examination of the relevant literature suggests differences in findings between studies, hence the impact of hypoxia on osteoclasts remains debatable, even though there is more evidence to suggest it promotes osteoclast differentiation and activity.
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Meng X, Wielockx B, Rauner M, Bozec A. Hypoxia-Inducible Factors Regulate Osteoclasts in Health and Disease. Front Cell Dev Biol 2021; 9:658893. [PMID: 33816509 PMCID: PMC8014084 DOI: 10.3389/fcell.2021.658893] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 02/18/2021] [Indexed: 12/14/2022] Open
Abstract
Hypoxia-inducible factors (HIFs) have become key transcriptional regulators of metabolism, angiogenesis, erythropoiesis, proliferation, inflammation and metastases. HIFs are tightly regulated by the tissue microenvironment. Under the influence of the hypoxic milieu, HIF proteins allow the tissue to adapt its response. This is especially critical for bone, as it constitutes a highly hypoxic environment. As such, bone structure and turnover are strongly influenced by the modulation of oxygen availability and HIFs. Both, bone forming osteoblasts and bone resorbing osteoclasts are targeted by HIFs and modulators of oxygen tension. Experimental and clinical data have delineated the importance of HIF responses in different osteoclast-mediated pathologies. This review will focus on the influence of HIF expression on the regulation of osteoclasts in homeostasis as well as during inflammatory and malignant bone diseases.
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Affiliation(s)
- Xianyi Meng
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nurnberg (FAU) and Universitatsklinikum Erlangen, Erlangen, Germany
| | - Ben Wielockx
- Institute of Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden, Dresden, Germany
| | - Martina Rauner
- Department of Medicine 3 - Division of Molecular Bone Biology, Medical Faculty of the Technische Universität Dresden, Dresden, Germany
| | - Aline Bozec
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nurnberg (FAU) and Universitatsklinikum Erlangen, Erlangen, Germany
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