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Fu T, Zhu Q, Lou F, Cai S, Peng S, Xiao J. Advanced glycation end products inhibit the osteogenic differentiation potential of adipose-derived stem cells in mice through autophagy. Cell Signal 2023; 108:110694. [PMID: 37141927 DOI: 10.1016/j.cellsig.2023.110694] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 04/25/2023] [Accepted: 04/26/2023] [Indexed: 05/06/2023]
Abstract
BACKGROUND Diabetes mellitus (DM) microenvironment will accelerate the accumulation of Advanced glycation end products (AGEs), adipose-derived stem cells (ASCs) have poor osteogenesis in the DM microenvironment. Studies suggest autophagy plays a vital role in osteogenesis, but the mechanism of the altered osteogenic potential of ASCs has not been elucidated. Bone tissue engineering by ASCs is widely used in the treatment of bone defects with diabetic osteoporosis (DOP). Therefore, it is meaningful to explore the effect of AGEs on the osteogenic differentiation potential of ASCs and its potential mechanism for the repair of bone defects in DOP. MATERIALS AND METHODS ASCs in C57BL/6 mice were isolated, cultured, then treated with AGEs, subsequently, cell viability and proliferation were detected through Cell Counting Kit 8 assay. 3-Methyladenine (3-MA), an autophagic inhibitor used to inhibit autophagic levels. Rapamycin (Rapa), an autophagy activator that further activated autophagy levels by inhibiting mTOR.The osteogenesis and autophagy changes of ASCs were analyzed by flow cytometry, qPCR, western blot, immunofluorescence, alkaline phosphatase (ALP) and alizarin red staining. RESULTS AGEs reduced the autophagy level and osteogenic potential of ASCs. After 3-MA reduced autophagy, the osteogenic potential of ASCs also decreased. AGEs co-treatment with 3-MA, the levels of osteogenesis and autophagy reduced more significantly. When autophagy was activated by Rapa, it was found that it could rescue the reduced osteogenic potential of AGEs. CONCLUSIONS AGEs reduce the osteogenic differentiation potential of ASCs through autophagy, and may provide a reference for the treatment of bone defects with diabetes osteoporosis.
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Affiliation(s)
- Ting Fu
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China; Orofacial Reconstruction and Regeneration Laboratory, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Qiang Zhu
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China; Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Fangzhi Lou
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China; Orofacial Reconstruction and Regeneration Laboratory, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Shuyu Cai
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China; Orofacial Reconstruction and Regeneration Laboratory, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Shuanglin Peng
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China; Orofacial Reconstruction and Regeneration Laboratory, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Jingang Xiao
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China; Orofacial Reconstruction and Regeneration Laboratory, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China; Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China.
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Hou Y, Hou X, Nie Q, Xia Q, Hu R, Yang X, Song G, Ren L. Association of Bone Turnover Markers with Type 2 Diabetes Mellitus and Microvascular Complications: A Matched Case-Control Study. Diabetes Metab Syndr Obes 2023; 16:1177-1192. [PMID: 37139349 PMCID: PMC10149773 DOI: 10.2147/dmso.s400285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 04/12/2023] [Indexed: 05/05/2023] Open
Abstract
Purpose The aim of this study was to evaluate the association of bone turnover markers (BTMs) with type 2 diabetes mellitus (T2DM) and microvascular complications. Methods A total of 166 T2DM patients and 166 non-diabetic controls matched by gender and age were enrolled. T2DM patients were sub-classified into groups based on whether they had diabetic peripheral neuropathy (DPN), diabetic retinopathy (DR), and diabetic kidney disease (DKD). Clinical data including demographic characteristics and blood test results [serum levels of osteocalcin (OC), N-terminal propeptide of type 1 procollagen (P1NP), and β-crosslaps (β-CTX)] were collected. Logistic regression and restrictive cubic spline curves were performed to examine the association of BTMs with the risk of T2DM and microvascular complications. Results After adjusting for family history of diabetes, sex and age, an inverse association was observed between elevated serum OC levels [O, p < 0.001] and increased serum P1NP levels , p < 0.001] with the risk of T2DM. Moreover, there was an inverse linear association of serum OC and P1NP levels with the risk of T2DM. However, β-CTX was not associated with T2DM. Further analysis showed a nonlinear association between OC and the risk of DR, while P1NP and β-CTX were not correlated with DR. Serum concentrations of BTMs were not associated with the risks of DPN and DKD. Conclusion Serum OC and P1NP levels were negatively correlated with T2DM risk. Particularly, serum OC levels were associated with DR risk. Given that BTMs are widely used as markers of bone remodeling, the present finding provides a new perspective for estimating the risk of diabetic microvascular complications.
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Affiliation(s)
- Yilin Hou
- Graduate School, Hebei Medical University, Shijiazhuang, Hebei, 050017, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, 050051, People’s Republic of China
| | - Xiaoyu Hou
- Graduate School, Hebei Medical University, Shijiazhuang, Hebei, 050017, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, 050051, People’s Republic of China
| | - Qian Nie
- Health Examination Center, Hebei General Hospital, Shijiazhuang, Hebei, 050051, People’s Republic of China
| | - Qiuyang Xia
- Graduate School, Hebei Medical University, Shijiazhuang, Hebei, 050017, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, 050051, People’s Republic of China
| | - Rui Hu
- Graduate School, Hebei Medical University, Shijiazhuang, Hebei, 050017, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, 050051, People’s Republic of China
| | - Xiaoyue Yang
- Graduate School, Hebei Medical University, Shijiazhuang, Hebei, 050017, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, 050051, People’s Republic of China
| | - Guangyao Song
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, 050051, People’s Republic of China
- Department of Internal Medicine, Hebei Medical University, Shijiazhuang, Hebei, 050017, People’s Republic of China
- Correspondence: Guangyao Song; Luping Ren, Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, 050051, People’s Republic of China, Email ;
| | - Luping Ren
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, 050051, People’s Republic of China
- Department of Internal Medicine, Hebei Medical University, Shijiazhuang, Hebei, 050017, People’s Republic of China
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Sobh MM, Abdalbary M, Elnagar S, Nagy E, Elshabrawy N, Abdelsalam M, Asadipooya K, El-Husseini A. Secondary Osteoporosis and Metabolic Bone Diseases. J Clin Med 2022; 11:2382. [PMID: 35566509 PMCID: PMC9102221 DOI: 10.3390/jcm11092382] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/17/2022] [Accepted: 04/20/2022] [Indexed: 02/04/2023] Open
Abstract
Fragility fracture is a worldwide problem and a main cause of disability and impaired quality of life. It is primarily caused by osteoporosis, characterized by impaired bone quantity and or quality. Proper diagnosis of osteoporosis is essential for prevention of fragility fractures. Osteoporosis can be primary in postmenopausal women because of estrogen deficiency. Secondary forms of osteoporosis are not uncommon in both men and women. Most systemic illnesses and organ dysfunction can lead to osteoporosis. The kidney plays a crucial role in maintaining physiological bone homeostasis by controlling minerals, electrolytes, acid-base, vitamin D and parathyroid function. Chronic kidney disease with its uremic milieu disturbs this balance, leading to renal osteodystrophy. Diabetes mellitus represents the most common secondary cause of osteoporosis. Thyroid and parathyroid disorders can dysregulate the osteoblast/osteoclast functions. Gastrointestinal disorders, malnutrition and malabsorption can result in mineral and vitamin D deficiencies and bone loss. Patients with chronic liver disease have a higher risk of fracture due to hepatic osteodystrophy. Proinflammatory cytokines in infectious, autoimmune, and hematological disorders can stimulate osteoclastogenesis, leading to osteoporosis. Moreover, drug-induced osteoporosis is not uncommon. In this review, we focus on causes, pathogenesis, and management of secondary osteoporosis.
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Affiliation(s)
- Mahmoud M. Sobh
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.A.); (S.E.); (E.N.); (N.E.); (M.A.)
| | - Mohamed Abdalbary
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.A.); (S.E.); (E.N.); (N.E.); (M.A.)
- Division of Nephrology, Bone and Mineral Metabolism, University of Kentucky, Lexington, KY 40506, USA
| | - Sherouk Elnagar
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.A.); (S.E.); (E.N.); (N.E.); (M.A.)
| | - Eman Nagy
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.A.); (S.E.); (E.N.); (N.E.); (M.A.)
| | - Nehal Elshabrawy
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.A.); (S.E.); (E.N.); (N.E.); (M.A.)
| | - Mostafa Abdelsalam
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.A.); (S.E.); (E.N.); (N.E.); (M.A.)
| | - Kamyar Asadipooya
- Division of Endocrinology, University of Kentucky, Lexington, KY 40506, USA;
| | - Amr El-Husseini
- Division of Nephrology, Bone and Mineral Metabolism, University of Kentucky, Lexington, KY 40506, USA
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