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Li L, Ma M, Zuo G, Xiao J, Chen J, He X, Song Z. Effect of manganese amino acid complexes on growth performance, meat quality, breast muscle and bone development in broilers. Br Poult Sci 2024:1-13. [PMID: 38994893 DOI: 10.1080/00071668.2024.2346640] [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: 11/26/2023] [Accepted: 02/14/2024] [Indexed: 07/13/2024]
Abstract
1. This study was conducted to investigate the effects of dietary supplementation of manganese (Mn) amino acid complexes on growth performance, Mn deposition, meat quality, breast muscle and bone development of broilers.2. A total of 504, one-day-old male Arbor Acres broilers were randomly divided into seven treatments; control diet (CON; basal diet, no extra Mn addition), manganese diet (MnN as Numine®-Mn; CON + 40, 80, 120 or 160 mg Mn/kg), manganese-S group (MnS; CON + 120 mg Mn/kg as MnSO4·H2O), manganese-A diet (MnA as Mn from hydrolysed feather meal; CON + 40 mg Mn/kg as MnA).3. There were no significant differences for average daily gain (ADG) or feed intake (ADFI) among diets during the feed phases (p > 0.05). The FCR in the starter and over the whole period were quadratically affected by dietary MnN dosage and gave the lowest FCR at 80 mg/kg (p < 0.05). The Mn content of thigh muscle, jejunum, heart, pancreas, liver and tibia increased linearly with MnN addition (p < 0.05).4. For meat quality, MnN significantly increased colour (a*), pH45 min and pH24 h, reduced shear force, drip loss and pressure loss of breast muscle (p < 0.05).5. Moreover, MnN significantly upregulated MYOD expression at d 21 and SOD expression at d 42, decreased MuRF1 and Atrogin-1 mRNA level at d 42 in breast muscle. Transcriptome analysis revealed that the regulating effect of MnN on muscle development significantly enriched signalling pathways such as adhesion, ECM-receptor, MAPK, mTOR and AMPK. Furthermore, dietary MnN significantly affected tibia length and growth plate development (p < 0.05) and promoted growth plate chondrocytes by increasing SOX-9, Runx-2, Mef2c, TGF-β, Ihh, Bcl-2 and Beclin1 and decreasing Bax and Caspase-3 (p < 0.05) expression which affect longitudinal tibial development.6. In conclusion, Mn amino acid complexes could improve growth performance, tissue Mn deposition, breast muscle development, meat quality and bone development.
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Affiliation(s)
- L Li
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, China
- R&D Department, Hunan Engineering Research Center of Poultry Production Safety, Hunan, China
| | - M Ma
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, China
- R&D Department, Hunan Engineering Research Center of Poultry Production Safety, Hunan, China
| | - G Zuo
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, China
- R&D Department, Hunan Engineering Research Center of Poultry Production Safety, Hunan, China
- Technical R&D Department, Beijing Deyuanshun Biotechnology Co, Ltd, Beijing, China
| | - J Xiao
- Technical R&D Department, Hunan Xiang Jia Husbandry Limited by Share Ltd, Changde, Hunan, China
| | - J Chen
- Technical R&D Department, Hunan Xiang Jia Husbandry Limited by Share Ltd, Changde, Hunan, China
| | - X He
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, China
- R&D Department, Hunan Engineering Research Center of Poultry Production Safety, Hunan, China
| | - Z Song
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, China
- R&D Department, Hunan Engineering Research Center of Poultry Production Safety, Hunan, China
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Fladerer JP, Grollitsch S. Eggshell membrane as promising supplement to maintain bone health: A systematic review. Bone Rep 2024; 21:101776. [PMID: 38872992 PMCID: PMC11170356 DOI: 10.1016/j.bonr.2024.101776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 05/14/2024] [Accepted: 05/21/2024] [Indexed: 06/15/2024] Open
Abstract
Bone loss is a well-known phenomenon in the older population leading to increased bone fracture risk, morbidity, and mortality. Supplementation of eggshell membrane (ESM) is evaluated due to its possible application to prevent bone loss and usage in osteoporosis therapy. The similar organic chemical composition of ESM and human bone is described in detail as both mainly consist of collagen type I, chondroitin sulfate, dermatan sulfate, hyaluronic acid and elastan. ESM and its components are reported to improve mineralization in bone tissue. In many studies ESM intake reduced pain in patients with joint disorders and reduced inflammatory processes. Additionally, ESM improved calcium uptake in human cells. These findings in comparison with a clinical pilot study reporting pain reduction in osteoporotic patients and increased osteoblast activity in in vitro assays support ESM to be a beneficial supplement for bone health. In this systematic review we combined chemical structure analysis with clinical studies to give a more comprehensive picture with novel explanations.
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Affiliation(s)
- Johannes-Paul Fladerer
- Institute of Pharmaceutical Sciences, University of Graz, Beethovenstraße 8, 8010 Graz, Austria
- Apomedica Pharmazeutische Produkte GmbH, Roseggerkai 3, 8010 Graz, Austria
| | - Selina Grollitsch
- Institute of Pharmaceutical Sciences, University of Graz, Beethovenstraße 8, 8010 Graz, Austria
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3
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Deng Y, Li Q, Song J, Guo R, Ma T, Liu Z, Liu Q. Intervention effects of low-molecular-weight chondroitin sulfate from the nasal cartilage of yellow cattle on lipopolysaccharide-induced behavioral disorders: regulation of the microbiome-gut-brain axis. Front Nutr 2024; 11:1371691. [PMID: 38835960 PMCID: PMC11148680 DOI: 10.3389/fnut.2024.1371691] [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: 01/16/2024] [Accepted: 04/24/2024] [Indexed: 06/06/2024] Open
Abstract
Chondroitin sulfate (CS) is a sulfated linear polysaccharide with different functional activities, including antioxidant, anti-inflammatory, lipid-lowering, and immune regulation. As natural sulfated polysaccharides have high molecular weight, high apparent viscosity, low water solubility, complex structure, and high negative charge, they have difficulty binding to receptors within cells across tissue barriers, resulting in low bioavailability and unclear structure-activity relationships. In this study, an H2O2-Vc oxidative degradation system was employed to perform environmentally friendly and controllable degradation of CS extracted from the nasal cartilage of Shaanxi Yellow cattle. Two low-molecular-weight chondroitin sulfates (LMWCSs), CS-1 (14.8 kDa) and CS-2 (50.9 kDa), that exhibit strong in vitro free radical scavenging ability were obtained, and their structures were characterized. Mice intraperitoneally administered lipopolysaccharide (LPS) were used to explore the cognitive intervention effects of LMWCS. Supplementing CS-1 and CS-2 significantly downregulated the levels of the serum inflammatory factors, TNF-α and IL-1β, promoted the expression of GSH in the brain, and inhibited the production of the lipid peroxidation product, malondialdehyde (MDA), ultimately inhibiting LPS-induced cognitive impairment in mice. Surprisingly, compared to the LPS model group, the abundances of Streptococcus, Eisenbergiella, Vampirovibrio, Coprococcus, Enterococcus and Lachnoanaerobaculum were significantly increased in the intestines of mice in the CS-1 and CS-2 group, whereas those of Parabacteroides and Mycoplasma were significantly decreased. Altogether, this study provides a theoretical basis for the comprehensive utilization of agricultural and animal resources and the application of brain nutrition, anti-inflammatory, and LMWCS health products.
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Affiliation(s)
- Yuxuan Deng
- College of Food Science and Technology, Northwest University, Xi'an, China
| | - Qingyuan Li
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Junxian Song
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Rui Guo
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Tianchen Ma
- College of Food Science and Technology, Northwest University, Xi'an, China
| | - Zhigang Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Qian Liu
- College of Food Science and Technology, Northwest University, Xi'an, China
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4
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Cheng B, Wu C, Wei W, Niu H, Wen Y, Li C, Chen P, Chang H, Yang Z, Zhang F. Identification of cell-specific epigenetic patterns associated with chondroitin sulfate treatment response in an endemic arthritis, Kashin-Beck disease. Bone Joint Res 2024; 13:237-246. [PMID: 38754865 PMCID: PMC11098597 DOI: 10.1302/2046-3758.135.bjr-2023-0271.r1] [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] [Indexed: 05/18/2024] Open
Abstract
Aims To assess the alterations in cell-specific DNA methylation associated with chondroitin sulphate response using peripheral blood collected from Kashin-Beck disease (KBD) patients before initiation of chondroitin sulphate treatment. Methods Peripheral blood samples were collected from KBD patients at baseline of chondroitin sulphate treatment. Methylation profiles were generated using reduced representation bisulphite sequencing (RRBS) from peripheral blood. Differentially methylated regions (DMRs) were identified using MethylKit, while DMR-related genes were defined as those annotated to the gene body or 2.2-kilobase upstream regions of DMRs. Selected DMR-related genes were further validated by quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) to assess expression levels. Tensor composition analysis was performed to identify cell-specific differential DNA methylation from bulk tissue. Results This study revealed 21,060 hypermethylated and 44,472 hypomethylated DMRs, and 13,194 hypermethylated and 22,448 hypomethylated CpG islands for differential global methylation for chondroitin sulphate treatment response. A total of 12,666 DMR-related genes containing DMRs were identified in their promoter regions, such as CHL1 (false discovery rate (FDR) = 2.11 × 10-11), RIC8A (FDR = 7.05 × 10-4), and SOX12 (FDR = 1.43 × 10-3). Additionally, RIC8A and CHL1 were hypermethylated in responders, while SOX12 was hypomethylated in responders, all showing decreased gene expression. The patterns of cell-specific differential global methylation associated with chondroitin sulphate response were observed. Specifically, we found that DMRs located in TESPA1 and ATP11A exhibited differential DNA methylation between responders and non-responders in granulocytes, monocytes, and B cells. Conclusion Our study identified cell-specific changes in DNA methylation associated with chondroitin sulphate response in KBD patients.
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Affiliation(s)
- Bolun Cheng
- Key Laboratory of Trace Elements and Endemic Diseases (Xi'an Jiaotong University), National Health and Family Planning Commission, Xi'an, China
- Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an, China
- Collaborative Innovation Center of Endemic Disease and Health Promotion for Silk Road Region, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Cuiyan Wu
- Key Laboratory of Trace Elements and Endemic Diseases (Xi'an Jiaotong University), National Health and Family Planning Commission, Xi'an, China
- Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an, China
- Collaborative Innovation Center of Endemic Disease and Health Promotion for Silk Road Region, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Wenming Wei
- Key Laboratory of Trace Elements and Endemic Diseases (Xi'an Jiaotong University), National Health and Family Planning Commission, Xi'an, China
- Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an, China
- Collaborative Innovation Center of Endemic Disease and Health Promotion for Silk Road Region, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Hui Niu
- Key Laboratory of Trace Elements and Endemic Diseases (Xi'an Jiaotong University), National Health and Family Planning Commission, Xi'an, China
- Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an, China
- Collaborative Innovation Center of Endemic Disease and Health Promotion for Silk Road Region, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Yan Wen
- Key Laboratory of Trace Elements and Endemic Diseases (Xi'an Jiaotong University), National Health and Family Planning Commission, Xi'an, China
- Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an, China
- Collaborative Innovation Center of Endemic Disease and Health Promotion for Silk Road Region, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Cheng Li
- Research Laboratory of Kashin-Beck Disease and Keshan Disease, Shaanxi Institute for Endemic Disease Prevention and Control, Xi'an, China
| | - Ping Chen
- Research Laboratory of Kashin-Beck Disease and Keshan Disease, Shaanxi Institute for Endemic Disease Prevention and Control, Xi'an, China
| | - Hong Chang
- Research Laboratory of Kashin-Beck Disease and Keshan Disease, Shaanxi Institute for Endemic Disease Prevention and Control, Xi'an, China
| | - Zhengjun Yang
- Research Laboratory of Kashin-Beck Disease and Keshan Disease, Shaanxi Institute for Endemic Disease Prevention and Control, Xi'an, China
| | - Feng Zhang
- Key Laboratory of Trace Elements and Endemic Diseases (Xi'an Jiaotong University), National Health and Family Planning Commission, Xi'an, China
- Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an, China
- Collaborative Innovation Center of Endemic Disease and Health Promotion for Silk Road Region, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
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Li J, Chen Y, Zha D, Wu C, Li X, Yang L, Cao H, Cai S, Cai Y. Mg-ZIF nanozyme regulates the switch between osteogenic and lipogenic differentiation in BMSCs via lipid metabolism. Lipids Health Dis 2024; 23:88. [PMID: 38528544 DOI: 10.1186/s12944-024-02083-3] [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: 12/12/2023] [Accepted: 03/20/2024] [Indexed: 03/27/2024] Open
Abstract
The accumulation of reactive oxygen species (ROS) within the bone marrow microenvironment leads to diminished osteogenic differentiation and heightened lipogenic differentiation of mesenchymal stem cells residing in the bone marrow, ultimately playing a role in the development of osteoporosis (OP). Mitigating ROS levels is a promising approach to counteracting OP. In this study, a nanozyme composed of magnesium-based zeolitic imidazolate frameworks (Mg-ZIF) was engineered to effectively scavenge ROS and alleviate OP. The results of this study indicate that Mg-ZIF exhibits significant potential in scavenging ROS and effectively promoting osteogenic differentiation of bone mesenchymal stem cells (BMSCs). Additionally, Mg-ZIF was found to inhibit the differentiation of BMSCs into adipose cells. In vivo experiments further confirmed the ability of Mg-ZIF to mitigate OP by reducing ROS levels. Mechanistically, Mg-ZIF enhances the differentiation of BMSCs into osteoblasts by upregulating lipid metabolic pathways through ROS scavenging. The results indicate that Mg-ZIF has potential as an effective therapeutic approach for the treatment of osteoporosis.
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Affiliation(s)
- Jinying Li
- Department of Endocrinology, The Affiliated Shunde Hospital of Jinan University, Foshan, Guangdong, 528300, P. R. China
| | - Yongshao Chen
- Department of Orthopedics Surgery, The Affiliated Shunde Hospital of Jinan University, Foshan, Guangdong, 528300, P. R. China
| | - Dingsheng Zha
- Department of Orthopedics Surgery, The Affiliated Shunde Hospital of Jinan University, Foshan, Guangdong, 528300, P. R. China
| | - Chunhui Wu
- Department of Orthopedics Surgery, The Affiliated Shunde Hospital of Jinan University, Foshan, Guangdong, 528300, P. R. China
| | - Xiaofen Li
- Department of Orthopedics Surgery, The Affiliated Shunde Hospital of Jinan University, Foshan, Guangdong, 528300, P. R. China
| | - Li Yang
- Department of Orthopedics Surgery, The Affiliated Shunde Hospital of Jinan University, Foshan, Guangdong, 528300, P. R. China
| | - Hui Cao
- Department of Orthopedics Surgery, The Affiliated Shunde Hospital of Jinan University, Foshan, Guangdong, 528300, P. R. China
| | - Shexing Cai
- Department of Orthopedics Surgery, The Affiliated Shunde Hospital of Jinan University, Foshan, Guangdong, 528300, P. R. China
| | - Yuebo Cai
- Department of Orthopedics Surgery, The Affiliated Shunde Hospital of Jinan University, Foshan, Guangdong, 528300, P. R. China.
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Zheng H, Yan W, Shao M, Qi S. Chromium Picolinate Regulates Bone Metabolism and Prevents Bone Loss in Diabetic Rats. Molecules 2024; 29:924. [PMID: 38474436 DOI: 10.3390/molecules29050924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/04/2024] [Accepted: 02/17/2024] [Indexed: 03/14/2024] Open
Abstract
Diabetic osteoporosis (DOP) is an abnormal metabolic disease caused by long-term hyperglycemia. In this study, a model rat of streptozotocin (STZ)-induced diabetes was established, and chromium picolinate (5 mg·kg-1) was given; the changes in blood glucose and body weight were detected before and after administration; and bone mineral density (BMD), bone morphology, bone turnover markers, inflammatory cytokines, and oxidative stress indicators were observed in each group. We found that after chromium picolinate (CP) intervention for 8 weeks, the blood glucose level was decreased; the BMD, the bone histomorphology parameters, and the pathological structure were improved; the expression of bone resorption-related proteins was downregulated; and the expression of bone formation-related proteins was upregulated. Meanwhile, serum antioxidant activity was increased, and inflammatory cytokine levels were decreased. In conclusion, CP could alleviate DOP by anti-oxidation, inhibition of bone turnover, anti-inflammation, and regulation of the OPG/RANKL/RANK signaling pathway. Therefore, CP has important application values for further development as a functional food or active medicine in DOP treatment.
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Affiliation(s)
- Hongxing Zheng
- School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong 723000, China
- State Key Laboratory of Qinba Biological Resources and Ecological Environment, Hanzhong 723000, China
- Shaanxi Black Organic Food Engineering Technology Research Center, Hanzhong 723000, China
| | - Wenrui Yan
- School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong 723000, China
- Qinba Mountain Area Collaborative Innovation Center of Bioresources Comprehensive Development, Hanzhong 723000, China
| | - Mengli Shao
- School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong 723000, China
- Shaanxi Provincial Key Laboratory of Resource Biology, Hanzhong 723001, China
| | - Shanshan Qi
- School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong 723000, China
- Shaanxi Migukang Biotechnology Company, Xi'an 710018, China
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Manohar K, Mesfin FM, Liu J, Shelley WC, Brokaw JP, Markel TA. Effect of Oral Chondroitin Sulfate Supplementation on Acute Brain Injury in a Murine Necrotizing Enterocolitis Model. J Am Coll Surg 2024; 238:82-98. [PMID: 37870229 DOI: 10.1097/xcs.0000000000000896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
BACKGROUND Necrotizing enterocolitis (NEC) is a devastating condition where inflammatory changes and necrosis in the gut results in activation of brain microglia and subsequent neurodevelopmental impairment. Chondroitin sulfate (CS) is a glycosaminoglycan in human breast milk that is absent in conventional formulas. We hypothesized that oral formula supplementation with CS during a murine model of experimental NEC would not only attenuate intestinal injury, but also brain injury. STUDY DESIGN NEC was induced in mouse pups on postnatal days (PNDs) 5 to 8. Three conditions were studied: (1) breastfed controls, (2) NEC, and (3) NEC+enteral CS (formula+200 mg/kg/d of CS). Pups were euthanized on PND 9 or reunited with dams by the evening of PND 8. Intestinal segments were H&E stained, and immunohistochemistry was performed on brain tissue for Iba-1 to assess for microglial morphology and cortical changes. Neurodevelopmental assays were performed on mice reunited with foster dams on PND 9. Single-cell RNA-sequencing analysis was performed on human intestinal epithelial cells exposed to (1) nothing, (2) hydrogen peroxide (H 2 O 2 ) alone, or (3) H 2 O 2 + CS to look at the differential gene expression between groups. Groups were compared with ANOVA or Kruskal-Wallis tests as appropriate with p < 0.05 considered significant. RESULTS Compared with NEC, mice treated with oral CS showed improved clinical outcomes, decreased intestinal injury, and attenuated microglial activation and deleterious cortical change. Mice with CS performed better on early neurodevelopmental assays when compared with NEC alone. Single-cell analysis of HIEC-6 cells demonstrated that CS treatment down regulated several inflammatory pathways including nuclear factor κB-suggesting an explanation for the improved Th17 intestinal cytokine profile. CONCLUSIONS Oral CS supplementation improved both physiological, clinical, and developmental outcomes. These data suggest that CS is a safe compound for formula supplementation for the prevention of NEC.
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Affiliation(s)
- Krishna Manohar
- From the Department of Surgery, Indiana University School of Medicine, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
- Riley Hospital for Children at Indiana University Health, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
| | - Fikir M Mesfin
- From the Department of Surgery, Indiana University School of Medicine, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
- Riley Hospital for Children at Indiana University Health, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
| | - Jianyun Liu
- From the Department of Surgery, Indiana University School of Medicine, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
- Riley Hospital for Children at Indiana University Health, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
| | - W Christopher Shelley
- From the Department of Surgery, Indiana University School of Medicine, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
- Riley Hospital for Children at Indiana University Health, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
| | - John P Brokaw
- From the Department of Surgery, Indiana University School of Medicine, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
- Riley Hospital for Children at Indiana University Health, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
| | - Troy A Markel
- From the Department of Surgery, Indiana University School of Medicine, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
- Riley Hospital for Children at Indiana University Health, Indianapolis, IN (Manohar, Mesfin, Liu, Shelley, Brokaw, Markel)
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Sheng N, Xing F, Wang J, Zhang QY, Nie R, Li-Ling J, Duan X, Xie HQ. Recent progress in bone-repair strategies in diabetic conditions. Mater Today Bio 2023; 23:100835. [PMID: 37928253 PMCID: PMC10623372 DOI: 10.1016/j.mtbio.2023.100835] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 10/02/2023] [Accepted: 10/14/2023] [Indexed: 11/07/2023] Open
Abstract
Bone regeneration following trauma, tumor resection, infection, or congenital disease is challenging. Diabetes mellitus (DM) is a metabolic disease characterized by hyperglycemia. It can result in complications affecting multiple systems including the musculoskeletal system. The increased number of diabetes-related fractures poses a great challenge to clinical specialties, particularly orthopedics and dentistry. Various pathological factors underlying DM may directly impair the process of bone regeneration, leading to delayed or even non-union of fractures. This review summarizes the mechanisms by which DM hampers bone regeneration, including immune abnormalities, inflammation, reactive oxygen species (ROS) accumulation, vascular system damage, insulin/insulin-like growth factor (IGF) deficiency, hyperglycemia, and the production of advanced glycation end products (AGEs). Based on published data, it also summarizes bone repair strategies in diabetic conditions, which include immune regulation, inhibition of inflammation, reduction of oxidative stress, promotion of angiogenesis, restoration of stem cell mobilization, and promotion of osteogenic differentiation, in addition to the challenges and future prospects of such approaches.
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Affiliation(s)
- Ning Sheng
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China
| | - Fei Xing
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China
| | - Jie Wang
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China
| | - Qing-Yi Zhang
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China
| | - Rong Nie
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China
| | - Jesse Li-Ling
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China
- Frontier Medical Center, Tianfu Jincheng Laboratory, Chengdu, 610212, China
- Department of Medical Genetics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
| | - Xin Duan
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China
| | - Hui-Qi Xie
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China
- Frontier Medical Center, Tianfu Jincheng Laboratory, Chengdu, 610212, China
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Strzelczyk J, Wójcik-Giertuga M, Strzelczyk JK, Seńkowska AP, Biernacki K, Kos-Kudła B. Selected Parameters of Bone Turnover in Neuroendocrine Tumors-A Potential Clinical Use? J Clin Med 2023; 12:4608. [PMID: 37510722 PMCID: PMC10380215 DOI: 10.3390/jcm12144608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/04/2023] [Accepted: 07/09/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Currently, there are no effective markers to diagnose and monitor patients with neuroendocrine tumors (NETs). The aim of this study was to assess bone metabolism based on selected markers of bone turnover: OST, OPG, and IGFBP-3, in both the group of patients with NETs and the control group. Associations with selected sociodemographic, biochemical, and clinicopathological characteristics were examined. We also evaluated any potential associations between these markers and selected biochemical markers of NETs commonly used in clinical practice. METHODS The study group included 60 patients with GEP-NETs and BP-NETs, while the control group comprised 62 healthy individuals. The serum concentrations of OST, OPG and IGFBP-3 were assessed using ELISA. RESULTS OST and OPG levels were significantly higher in the study group compared to the control group. In the study group, we observed a significant correlation between OPG and the clinical stage and chromogranin A. Additionally, an association was found between OPG and histological grade, Ki-67, and metastasis in GEP-NET cases. CONCLUSIONS Markers of bone turnover cannot be used in the routine diagnostics of neuroendocrine tumors. Nonetheless, these markers may help evaluate the skeletal system in patients with NETs. Further research is needed to determine the utility of osteocalcin (OST) and osteoprotegerin (OPG) as potential biomarkers for neuroendocrine tumors.
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Affiliation(s)
- Janusz Strzelczyk
- Department of Endocrinology and Neuroendocrine Tumors, Department of Pathophysiology and Endocrinology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 35 Ceglana St., 40-514 Katowice, Poland
| | - Monika Wójcik-Giertuga
- Department of Endocrinology and Neuroendocrine Tumors, Department of Pathophysiology and Endocrinology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 35 Ceglana St., 40-514 Katowice, Poland
| | - Joanna Katarzyna Strzelczyk
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 19 Jordana St., 41-808 Zabrze, Poland
| | - Alicja Prawdzic Seńkowska
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 19 Jordana St., 41-808 Zabrze, Poland
| | - Krzysztof Biernacki
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 19 Jordana St., 41-808 Zabrze, Poland
| | - Beata Kos-Kudła
- Department of Endocrinology and Neuroendocrine Tumors, Department of Pathophysiology and Endocrinology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 35 Ceglana St., 40-514 Katowice, Poland
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10
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Zhang W, Han J, Jiang Z, Peng Y, Sun X, Han B. Enzymatic preparation of chondroitin sulfate oligosaccharides and its alleviating effect on ovariectomy-induced osteoporosis in rats. Biomed Pharmacother 2023; 164:114894. [PMID: 37209629 DOI: 10.1016/j.biopha.2023.114894] [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: 03/25/2023] [Revised: 05/11/2023] [Accepted: 05/13/2023] [Indexed: 05/22/2023] Open
Abstract
Postmenopausal osteoporosis is the most common type of osteoporosis. Chondroitin sulfate (CS) has been successfully employed as food supplement against osteoarthritis, while the therapeutic potential on postmenopausal osteoporosis is little explored. In this study, CS oligosaccharides (CSOs) were enzymatically prepared through the lysis of CS by a chondroitinase from Microbacterium sp. Strain. The alleviating effects of CS, CSOs and Caltrate D (a clinically used supplement) on ovariectomy (OVX) - induced rat's osteoporosis were comparatively investigated. Our data showed that the prepared CSOs was basically unsaturated CS disaccharide mixture of ∆Di4S (53.1%), ∆Di6S (27.7%) and ∆Di0S (17.7%). 12 weeks' intragastric administration of Caltrate D (250 mg/kg/d), CS or CSOs (500 mg/kg/d, 250 mg/kg/d, 125 mg/kg/d) could obviously regulate the disorder of serum indices, recover the mechanical strength and mineral content of bone, improve the cortical bones' density and the number and length of trabecular bones in OVX rats. Both CS and CSOs in 500 mg/kg/d and 250 mg/kg/d could restore more efficiently the serum indices, bone fracture deflection and femur Ca than Caltrate D. As compared with CS at the same dosage, CSOs exhibited a more significant alleviating effect. These findings suggested that there was great potential of CSOs as daily interventions for delaying the progression of postmenopausal osteoporosis.
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Affiliation(s)
- Wei Zhang
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China.
| | - Jikang Han
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China.
| | - Zhiwen Jiang
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China.
| | - Yanfei Peng
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China.
| | - Xiaorui Sun
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China.
| | - Baoqin Han
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Pilot National Laboratory for Marine Science and Technology, Qingdao 266235, China.
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11
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Du M, Wei L, Yuan M, Zou R, Xu Y, Wang X, Wang W, Li F. Enzymatic comparison of two homologous enzymes reveals N-terminal domain of chondroitinase ABC I regulates substrate selection and product generation. J Biol Chem 2023; 299:104692. [PMID: 37031818 DOI: 10.1016/j.jbc.2023.104692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/19/2023] [Accepted: 04/05/2023] [Indexed: 04/11/2023] Open
Abstract
Chondroitinase ABC-type I (CSase ABC I), which can digest both chondroitin sulfate (CS) and dermatan sulfate (DS) in an endolytic manner, is an essential tool in structural and functional studies of CS/DS. Although a few CSase ABC I have been identified from bacteria, the substrate-degrading pattern and regulatory mechanisms of them have rarely been investigated. Herein, two CSase ABC I, IM3796 and IM1634, were identified from the intestinal metagenome of CS-fed mice. They show high sequence homology (query coverage: 88.00%, percent identity: 90.10%) except for an extra peptide (Met1-His109) at the N-terminus in IM1634, but their enzymatic properties are very different. IM3796 prefers to degrade 6-O-sulfated GalNAc residue-enriched CS into tetra- and disaccharides. In contrast, IM1634 exhibits nearly a thousand times more activity than IM3796, and can completely digest CS/DS with various sulfation patterns to produce disaccharides, unlike most CSase ABC I. Structure modeling showed that IM3796 did not contain an N-terminal domain composed of two β-sheets, which is found in IM1634 and other CSase ABC I. Furthermore, deletion of the N-terminal domain (Met1-His109) from IM1634 caused the enzymatic properties of the variant IM1634-T109 to be similar to those of IM3796, and conversely, grafting this domain to IM3796 increased the similarity of the variant IM3796-A109 to IM1634. In conclusion, the comparative study of the new CSase ABC I provides two unique tools for CS/DS-related studies and applications and, more importantly, reveals the critical role of the N-terminal domain in regulating the substrate binding and degradation of these enzymes.
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Affiliation(s)
- Min Du
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Lin Wei
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Min Yuan
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Ruyi Zou
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Yingying Xu
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Xu Wang
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Wenshuang Wang
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China.
| | - Fuchuan Li
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China; College of Marine Life Sciences, Ocean University of China, Qingdao, China.
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12
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A multiple controlled-release hydrophilicity minocycline hydrochloride delivery system for the efficient treatment of periodontitis. Int J Pharm 2023; 636:122802. [PMID: 36894039 DOI: 10.1016/j.ijpharm.2023.122802] [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: 11/29/2022] [Revised: 02/04/2023] [Accepted: 03/02/2023] [Indexed: 03/09/2023]
Abstract
The complexity of periodontitis, including the complex formation mechanisms and the complex periodontium physiological environment, as well as the complex association with multiple complications, often results in poor therapy effects. Herein, we aimed to design a nanosystem with a controlled release of minocycline hydrochloride (MH) and good retention to effectively treat periodontitis by inhibiting inflammation and repairing the alveolar bone. Firstly, insoluble ion-pairing (IIP) complexes were constructed to improve the encapsulation efficiency of hydrophilic MH in PLGA nanoparticles. Then, a nanogenerator was constructed and combined with a double emulsion method to encapsulate the complexes into PLGA nanoparticles (MH-NPs). The average particle size of MH-NPs was about 100 nm as observed by AFM and TEM, and the drug loading and encapsulation efficiency were 9.59% and 95.58%, respectively. Finally, a multifunctional system (MH-NPs-in-gels) was prepared by dispersing MH-NPs into thermosensitive gels, which could continue to release drug for 21 days in vitro. And the release mechanism showed that this controlled release behavior for MH was influenced by the insoluble ion-pairing complex, PLGA nanoparticles, and gels. In addition, the periodontitis rat model was established to investigate the pharmacodynamic effects. After 4 weeks of treatment, changes in the alveolar bone were assessed by Micro-CT (BV/TV: 70.88%; BMD: 0.97 g/cm3; TB.Th: 0.14 mm; Tb.N: 6.39 mm-1; Tb.Sp: 0.07 mm). The mechanism of MH-NPs-in-gels in vivo was clarified by the analysis of pharmacodynamic results, which showed that insoluble ion-pairing complexes with the aid of PLGA nanoparticles and gels achieved significant anti-inflammatory effects and bone repair capabilities. In conclusion, the multiple controlled-release hydrophilicity MH delivery system would have good prospects for the effective treatment of periodontitis.
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Fan D, Lu J, Yu N, Xie Y, Zhen L. Curcumin Prevents Diabetic Osteoporosis through Promoting Osteogenesis and Angiogenesis Coupling via NF- κB Signaling. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2022; 2022:4974343. [PMID: 36387354 PMCID: PMC9663221 DOI: 10.1155/2022/4974343] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 08/24/2022] [Accepted: 10/08/2022] [Indexed: 09/14/2023]
Abstract
Diabetic osteoporosis (DOP) is a metabolic disease which is characterized by impaired bone microarchitecture and reduced bone mineral density resulting from hyperglycemia. Curcumin, an effective component extracted from Curcuma longa, exhibits antioxidation, regulation of bone metabolism and hypoglycemic effects. The BMSC-mediated osteogenesis and angiogenesis coupling seems to be important in bone formation and regeneration. We aimed to explore the effect of curcumin on BMSC-mediated osteogenesis-angiogenesis coupling in high glucose conditions and underlying mechanisms. Our results showed that high glucose impaired the osteogenic and proangiogenic ability of BMSCs and that curcumin pretreatment rescued the BMSC dysfunction induced by high-concentration glucose. Inhibition of the high glucose-activated NF-κB signaling pathway has been found to contribute to the protective effects of curcumin on high glucose-inhibited coupling of osteogenesis and angiogenesis in BMSCs. Furthermore, accelerated bone loss and decreased type H vessels were observed in diabetic osteoporosis mice models. However, curcumin treatment prevented bone loss and promoted vessel formation in diabetic osteoporosis mice. Based on these results, we concluded that curcumin ameliorated diabetic osteoporosis by recovering the osteogenesis and angiogenesis coupling of BMSCs in hyperglycemia, partly through inhibiting the high glucose-activated NF-κB signaling pathway.
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Affiliation(s)
- Desheng Fan
- Department of Pathology, Baoshan Branch, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201999, China
| | - Jiuqing Lu
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai 200001, China
| | - Nijia Yu
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai 200001, China
| | - Yajia Xie
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai 200001, China
| | - Lei Zhen
- Department of Stomatology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
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Xu Z, Xu J, Li S, Cui H, Zhang G, Ni X, Wang J. S-Equol enhances osteoblastic bone formation and prevents bone loss through OPG/RANKL via the PI3K/Akt pathway in streptozotocin-induced diabetic rats. Front Nutr 2022; 9:986192. [PMID: 36337646 PMCID: PMC9633996 DOI: 10.3389/fnut.2022.986192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 10/07/2022] [Indexed: 11/13/2022] Open
Abstract
Background This study aimed to explore whether S-Equol delays diabetes-induced osteoporosis and the molecular mechanisms underlying its therapeutic effects. Materials and methods Thirty-five male Sprague–Dawley rats were randomized into five groups. The diabetic osteoporosis (DOP) group and three S-Equol treatment groups were intraperitoneally injected with streptozotocin (STZ) to develop a DOP model. After the 12-week intervention, bone transformation indicators were detected using an enzyme-linked immunosorbent assay kit; bone mineral density (BMD) and bone microstructure were obtained using dual-energy X-ray absorptiometry and microCT; morphological changes in the bone tissue were investigated using HE staining; bone morphogenetic proteins were detected using immunohistochemical staining. ROS17/2.8 cells were cultured in vitro, and Cell Counting Kit-8 was used to test the protective effects of S-Equol in osteoblastic cells in a high-fat and high-glucose environment. Furthermore, the expression of osteoprotegerin (OPG), receptor activator of nuclear factor kappa-B ligand (RANKL), estrogen receptor β(ERβ), phosphorylated Akt (pAKT)/protein kinase B (AKT), and osteocalcin (OC) in bone tissue and ROS17/2.8 cells was assessed using reverse transcription polymerase chain reaction (RT-PCR) and western blotting. To determine whether ERβ and phosphatidylinositol 3’ -kinase (PI3K)/AKT signaling pathways are involved in the process, LY294002 (PI3K signaling pathway inhibitor) and small interfering RNA targeting ERβ mRNA (si-ERβ) were used to verify the function of the ERβ-mediated PI3K/AKT pathway in this process. Results After the 12-week intervention, S-Equol enhanced BMD, improved bone microarchitecture in DOP rats (P < 0.05), and improved markers of bone metabolism (P < 0.05). In vitro, 10–6 mmol/L S-Equol was selected to significantly protect osteoblasts from high- and high-glucose environments (P < 0.05). Gene expression of OPG, ERβ, pAKT/AKT, and OC was upregulated compared to the DOP group, and RANKL was downregulated compared to the DOP group (P < 0.05) both in bone tissue and osteoblastic cells. The promotion of OPG and pAKT/AKT is mediated by LY294002 and siERβ. Conclusion S-Equol binds to ERβ to regulate OPG/RANKL via the PI3K/AKT pathway and improve DOP. Our results demonstrate the potential role of S-Equol in the treatment of DOP by targeting ERβ. Thus, S-Equol may have the potential to be an adjuvant drug for treating DOP.
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Affiliation(s)
- Zhe Xu
- Department of Nutrition, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Jing Xu
- Department of Endocrinology, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Shuo Li
- Department of Nutrition, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Hanqiang Cui
- Department of Nutrition, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Guiming Zhang
- Department of Nutrition, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Xiangmin Ni
- Department of Nutrition, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, China
- Xiangmin Ni,
| | - Jian Wang
- Department of Nutrition, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, China
- *Correspondence: Jian Wang,
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15
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Tian X, Peng X, Long X, Lin J, Zhang Y, Zhan L, Zhao G. Oxidized chondroitin sulfate eye drops ameliorate the prognosis of fungal keratitis with anti-inflammatory and antifungal effects. J Mater Chem B 2022; 10:7847-7861. [PMID: 36070420 DOI: 10.1039/d2tb00114d] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fungal keratitis (FK) is a refractory ophthalmic disease that can result in vision impairment and even blindness due to the severe fungal invasiveness and excessive inflammatory response. Therefore, antifungal treatment combined with local immunosuppressive therapy is regarded as the most effective strategy to improve the clinical outcome of FK. Oxidized polysaccharides with aldehyde groups possess obvious inhibitory activity towards microorganisms. Herein, we use chondroitin sulfate (CS), a recognized anti-inflammatory biopolysaccharide, to prepare oxidized chondroitin sulfate (OCS) via sodium periodate (NaIO4) oxidation for the treatment of FK. The chemical structure of OCS was characterized by FTIR, 1H NMR, and XPS, revealing that the O-dihydroxy in the D-glucuronic acid unit of CS was selectively broken by NaIO4, forming active aldehyde groups. The introduction of aldehydes not only retains the anti-inflammatory activity but also confers OCS with antifungal property. In vitro antifungal experiments showed that OCS inhibits the growth, represses the biofilm formation and alters the membrane integrity of A. fumigatus. The toxicity of OCS was evaluated by cytotoxicity tests (CCK-8) and the Draize eye test in vitro and in vivo. qRT-PCR confirmed that OCS had similar anti-inflammatory activity as CS. In mice with A. fumigatus keratitis, OCS versus CS or PBS showed an excellent therapeutic effect, characterized by a lower corneal inflammation score, less fungal load, reduced neutrophil recruitment, and the downregulated expression of pro-inflammatory factors. Our findings demonstrate that OCS improves the prognosis of A. fumigatus keratitis in mice by inhibiting the growth of fungi, reducing the recruitment of neutrophils and inhibiting the inflammatory response. It provides innovative ideas for the development and application of OCS in medicine and biomaterials fields.
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Affiliation(s)
- Xue Tian
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China.
| | - Xudong Peng
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China. .,Department of Ophthalmology, University of Washington, Seattle, WA 98104, USA
| | - Xiaojing Long
- State Key Laboratory of Bio-fibers and Eco-textiles, Institute of Marine Biobased Materials, College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong Province, China
| | - Jing Lin
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China.
| | - Yingxue Zhang
- Department of Biochemistry, Microbiology and Immunology, Wayne State University School of Medicine, Detroit, Michigan 40201, USA
| | - Lu Zhan
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China.
| | - Guiqiu Zhao
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China.
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Liu J, Zhang D, Cao Y, Zhang H, Li J, Xu J, Yu L, Ye S, Yang L. Screening of crosstalk and pyroptosis-related genes linking periodontitis and osteoporosis based on bioinformatics and machine learning. Front Immunol 2022; 13:955441. [PMID: 35990678 PMCID: PMC9389017 DOI: 10.3389/fimmu.2022.955441] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Background and objective This study aimed to identify crosstalk genes between periodontitis (PD) and osteoporosis (OP) and potential relationships between crosstalk and pyroptosis-related genes. Methods PD and OP datasets were downloaded from the GEO database and were performed differential expression analysis to obtain DEGs. Overlapping DEGs got crosstalk genes linking PD and OP. Pyroptosis-related genes were obtained from literature reviews. Pearson coefficients were used to calculate crosstalk and pyroptosis-related gene correlations in the PD and OP datasets. Paired genes were obtained from the intersection of correlated genes in PD and OP. PINA and STRING databases were used to conduct the crosstalk-bridge-pyroptosis genes PPI network. The clusters in which crosstalk and pyroptosis-related genes were mainly concentrated were defined as key clusters. The key clusters' hub genes and the included paired genes were identified as key crosstalk-pyroptosis genes. Using ROC curve analysis and XGBoost screened key genes. PPI subnetwork, gene-biological process and gene-pathway networks were constructed based on key genes. In addition, immune infiltration was analyzed on the PD dataset using the CIBERSORT algorithm. Results A total of 69 crosstalk genes were obtained. 13 paired genes and hub genes TNF and EGFR in the key clusters (cluster2, cluster8) were identified as key crosstalk-pyroptosis genes. ROC and XGBoost showed that PRKCB, GSDMD, ARMCX3, and CASP3 were more accurate in predicting disease than other key crosstalk-pyroptosis genes while better classifying properties as a whole. KEGG analysis showed that PRKCB, GSDMD, ARMCX3, and CASP3 were involved in neutrophil extracellular trap formation and MAPK signaling pathway pathways. Immune infiltration results showed that all four key genes positively correlated with plasma cells and negatively correlated with T cells follicular helper, macrophages M2, and DCs. Conclusion This study shows a joint mechanism between PD and OP through crosstalk and pyroptosis-related genes. The key genes PRKCB, GSDMD, ARMCX3, and CASP3 are involved in the neutrophil extracellular trap formation and MAPK signaling pathway, affecting both diseases. These findings may point the way to future research.
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Affiliation(s)
- Jia Liu
- Department of Orthodontics, Hospital of Stomatology, Jilin University, Changchun, China
| | - Ding Zhang
- Department of Spine Surgery, China-Japan Union Hospital, Jilin University, Changchun, China
| | - Yu Cao
- Department of Orthodontics, Hospital of Stomatology, Jilin University, Changchun, China
| | - Huichao Zhang
- Department of Orthodontics, Hospital of Stomatology, Jilin University, Changchun, China
| | - Jianing Li
- Department of Endodontics, Hospital of Stomatology, Jilin University, Changchun, China
| | - Jingyu Xu
- Department of Orthodontics, Hospital of Stomatology, Jilin University, Changchun, China
| | - Ling Yu
- Department of Orthodontics, Hospital of Stomatology, Jilin University, Changchun, China
| | - Surong Ye
- Department of Orthodontics, Hospital of Stomatology, Jilin University, Changchun, China
| | - Luyi Yang
- Department of Orthodontics, Hospital of Stomatology, Jilin University, Changchun, China
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17
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Ahmed T, Flores PC, Pan CC, Ortiz HR, Lee YS, Langlais PR, Mythreye K, Lee NY. EPDR1 is a noncanonical effector of insulin-mediated angiogenesis regulated by an endothelial-specific TGF-β receptor complex. J Biol Chem 2022; 298:102297. [PMID: 35872017 PMCID: PMC9396412 DOI: 10.1016/j.jbc.2022.102297] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 07/05/2022] [Accepted: 07/08/2022] [Indexed: 02/05/2023] Open
Abstract
Insulin signaling in blood vessels primarily functions to stimulate angiogenesis and maintain vascular homeostasis through the canonical PI3K and MAPK signaling pathways. However, angiogenesis is a complex process coordinated by multiple other signaling events. Here, we report a distinct crosstalk between the insulin receptor and endoglin/activin receptor-like kinase 1 (ALK1), an endothelial cell-specific TGF-β receptor complex essential for angiogenesis. While the endoglin-ALK1 complex normally binds to TGF-β or bone morphogenetic protein 9 (BMP9) to promote gene regulation via transcription factors Smad1/5, we show that insulin drives insulin receptor oligomerization with endoglin-ALK1 at the cell surface to trigger rapid Smad1/5 activation. Through quantitative proteomic analysis, we identify ependymin-related protein 1 (EPDR1) as a major Smad1/5 gene target induced by insulin but not by TGF-β or BMP9. We found endothelial EPDR1 expression is minimal at the basal state but is markedly enhanced upon prolonged insulin treatment to promote cell migration and formation of capillary tubules. Conversely, we demonstrate EPDR1 depletion strongly abrogates these angiogenic effects, indicating that EPDR1 is a crucial mediator of insulin-induced angiogenesis. Taken together, these results suggest important therapeutic implications for EPDR1 and the TGF-β pathways in pathologic angiogenesis during hyperinsulinemia and insulin resistance.
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Affiliation(s)
- Tasmia Ahmed
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, Arizona, USA
| | - Paola Cruz Flores
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, Arizona, USA
| | - Christopher C. Pan
- Department of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina, USA
| | - Hannah R. Ortiz
- Department of Pharmacology, University of Arizona, Tucson, Arizona, USA
| | - Yeon S. Lee
- Department of Pharmacology, University of Arizona, Tucson, Arizona, USA
| | - Paul R. Langlais
- Department of Medicine, University of Arizona, Tucson, Arizona, USA
| | - Karthikeyan Mythreye
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama, USA,For correspondence: Nam Y. Lee; Karthikeyan Mythreye
| | - Nam Y. Lee
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, Arizona, USA,Department of Pharmacology, University of Arizona, Tucson, Arizona, USA,Comprehensive Cancer Center, University of Arizona, Tucson, Arizona, USA,For correspondence: Nam Y. Lee; Karthikeyan Mythreye
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Chondroitin sulfate E alleviates β-amyloid toxicity in transgenic Caenorhabditis elegans by inhibiting its aggregation. Int J Biol Macromol 2022; 209:1280-1287. [PMID: 35461860 DOI: 10.1016/j.ijbiomac.2022.04.124] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/14/2022] [Accepted: 04/17/2022] [Indexed: 01/13/2023]
Abstract
Chondroitin sulfate E (CS-E), which is characterized by oversulfated disaccharide units, has been shown to regulate neuronal adhesion, neurite outgrowth and exert neuroprotective effects. In view of these findings, here we investigated the anti-Alzheimer's disease (AD) activities of CSE by using transgenic Caenorhabditis elegans model of Alzheimer's disease. The behavioral experiments demonstrated that CSE at the concentration of 1 mg/ml significantly delayed the worm paralysis caused by Aβ aggregation as compared with control group. Western blot analysis revealed that the level of small oligomers in the transgenic C. elegans was significantly reduced upon treatment with CSE. The number of Aβ plaque deposits in transgenic worm was significantly decreased. In addition, CSE also protected the worms from oxidative stress and rescued chemotaxis dysfunction in transgenic strain CL2355. Taken together, these data suggested that CSE could protect against Aβ-induced toxicity in C. elegans. These results offer valuable evidence for the future use of CSE in the development of agents for the treatment of AD.
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Guo J, Tian S, Wang Z, Wang Y, Zhang X, Zhang Y, Hou Z, Dong W. Hydrogen saline water accelerates fracture healing by suppressing autophagy in ovariectomized rats. Front Endocrinol (Lausanne) 2022; 13:962303. [PMID: 36120426 PMCID: PMC9478351 DOI: 10.3389/fendo.2022.962303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 08/17/2022] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE The treatment of osteoporotic fractures is difficult, and to minimize the negative result or poor functional rehabilitation, this study focuses on hydrogen water (HRW) to test its effect on the process of menopausal osteoporotic fracture healing and its relationship with autophagy and to try to reveal the potential mechanism of action of HRW on osteoporotic fractures. MATERIALS AND METHODS A rat osteoporotic fracture model was established, and HRW was systematically applied with or without 3MA. The results were analyzed with X-rays, micro-CT scans, serum biomarker analysis, biomechanical tests, histopathology, immunohistochemistry, and Western blotting. The sham, OVX, OH (OVX+HRW) and OHA (OVX+HRW+3MA) groups were formed and compared. RESULTS Increased oxidative stress and autophagy levels were necessary physiological responses in the process of fracture healing. It was found that systemic HRW treatment slightly suppressed autophagy and then activated the Keap1-Nrf2 signaling pathway by maintaining the Keap1-Nrf2-P62 interaction and improved the osteoporotic fracture healing process. CONCLUSION HRW treatment activated the Keap1-Nrf2 signaling pathway to antagonize cellular stress by suppressing autophagy levels, especially at the early stage of the fracture healing process, and this was beneficial to osteoporotic fracture healing in rats.
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Affiliation(s)
- Jialiang Guo
- Department of Orthopaedics, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Siyu Tian
- Department of Orthopaedics, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Zhongzheng Wang
- Department of Orthopaedics, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yuchuan Wang
- Department of Orthopaedics, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xiaojuan Zhang
- Department of Orthopaedics, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yingze Zhang
- Department of Orthopaedics, The Third Hospital of Hebei Medical University, Shijiazhuang, China
- Chinese Academy of Engineering, Beijing, China
- National Health Commission (NHC) Key Laboratory of Intelligent Orthopeadic Equipment, The Third Hospital of Hebei Medical University, Shi Jiazhuang, Hebei, China
- *Correspondence: Yingze Zhang, ; Zhiyong Hou, ; Weichong Dong,
| | - Zhiyong Hou
- Department of Orthopaedics, The Third Hospital of Hebei Medical University, Shijiazhuang, China
- *Correspondence: Yingze Zhang, ; Zhiyong Hou, ; Weichong Dong,
| | - Weichong Dong
- Department of Pharmacy, The Second Hospital of Hebei Medical University, Shijiazhuang, China
- *Correspondence: Yingze Zhang, ; Zhiyong Hou, ; Weichong Dong,
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