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Lu PY, Huang M, Shao MH, Hu JX, Ding CY, Feng YJ, Zhang M, Lin HP, Tian HS. Effect and mechanism of recombinant human fibroblast growth factor 18 on osteoporosis in OVX mice. Climacteric 2024; 27:305-313. [PMID: 38275172 DOI: 10.1080/13697137.2024.2302967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 12/29/2023] [Indexed: 01/27/2024]
Abstract
OBJECTIVES This study aimed to investigate the effect and the mechanism of recombinant human fibroblast growth factor 18 (rhFGF18) on postmenopausal osteoporosis. METHODS The effect of rhFGF18 on the proliferation and apoptosis of osteoblasts and the mechanism underlying such an effect was evaluated using an oxidative stress model of the MC3T3-E1 cell line. Furthermore, ovariectomy was performed on ICR mice to imitate estrogen-deficiency postmenopausal osteoporosis. Bone metabolism and bone morphological parameters in the ovariectomized (OVX) mice were evaluated. RESULTS The results obtained from the cell model showed that FGF18 promoted MC3T3-E1 cell proliferation by activating the extracellular signal-regulated kinase (ERK) and p38 instead of c-Jun N-terminal kinase (JNK). FGF18 also prevented cells from damage inflicted by oxidative stress via inhibition of apoptosis. After FGF18 administration, the expression level of anti-apoptotic protein Bcl-2 in the mice was upregulated, whereas those of the pro-apoptotic proteins Bax and caspase-3 were downregulated. Administering FGF18 also improved bone metabolism and bone morphological parameters in OVX mice. CONCLUSIONS FGF18 could effectively prevent bone loss in OVX mice by enhancing osteoblastogenesis and protecting osteoblasts from oxidative stress-induced apoptosis.
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Affiliation(s)
- P Y Lu
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - M Huang
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
- Department of Pharmacy, Wuzhou GongRen Hospital, Wuzhou, China
| | - M H Shao
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - J X Hu
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - C Y Ding
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - Y J Feng
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - M Zhang
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - H P Lin
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - H S Tian
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
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2
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Shi B, Lin CC, Lee CJ, Ning DS, Lin CC, Zhao HW, Yang CS, Deng SX, Chiu YJ, Wang CC. Anti-osteoporotic effects of Yi Mai Jian on bone metabolism of ovariectomized rats. Front Pharmacol 2024; 15:1326415. [PMID: 38606179 PMCID: PMC11007778 DOI: 10.3389/fphar.2024.1326415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 03/14/2024] [Indexed: 04/13/2024] Open
Abstract
Yi Mai Jian herbal formula (YMJ) is formulated with Eucommiae Folium, Astragali Radix, Ligustri Lucidi Fructus, and Elaeagnus Fructus to improve bone function in traditional Chinese medicine. The anti-osteoporotic effects of YMJ in bone metabolism were evaluated in ovariectomized (OVX) rats. The skeletal structure of the femur and vertebrae was analyzed after treating OVX rats with YMJ for 114 days. The results showed that YMJ significantly increased the bone mineral density (BMD) and trabecular number (Tb. N) of the femur and 5th lumbar vertebrae and reduced trabecular separation (Tb. Sp). Moreover, trabecular bone volume/total tissue volume (BV/TV), bone stiffness, and maximum femur load were significantly increased. The serum concentrations of NTX1 and PYD were significantly decreased. According to these results, YMJ could ameliorate osteoporosis in ovariectomized rats. Eucommiae Folium and Elaeagnus Fructus inhibited osteoclast differentiation, Ligustri Lucidi Fructus inhibited calcium reabsorption, Astragali Radix stimulated osteoblast proliferation, and Astragali Radix and Eucommiae Folium stimulated mineralization. Therefore, the combination of the four herbs into one formula, YMJ, could alleviate bone remodeling caused by low estrogen levels. We suggest that YMJ could be a healthy food candidate for preventing post-menopausal osteoporosis.
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Affiliation(s)
- Bin Shi
- Infinitus (China) Company Ltd, Guangxhou, Guangdong, China
| | - Che-Chun Lin
- PhD Program for Clinical Drug Development of Herbal Medicine, College of Pharmacy, Taipei Medical University, Guangzhou, Taiwan
| | - Chia-Jung Lee
- PhD Program for Clinical Drug Development of Herbal Medicine, College of Pharmacy, Taipei Medical University, Guangzhou, Taiwan
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Traditional Herbal Medicine Research Center, Taipei Medical University Hospital, Taipei, Taiwan
| | - De-Shan Ning
- Infinitus (China) Company Ltd, Guangxhou, Guangdong, China
| | - Chao-Chi Lin
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Hong-Wei Zhao
- Infinitus (China) Company Ltd, Guangxhou, Guangdong, China
| | - Chang-Syun Yang
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Shun-Xin Deng
- PhD Program for Clinical Drug Development of Herbal Medicine, College of Pharmacy, Taipei Medical University, Guangzhou, Taiwan
| | - Yung-Jia Chiu
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Ching-Chiung Wang
- PhD Program for Clinical Drug Development of Herbal Medicine, College of Pharmacy, Taipei Medical University, Guangzhou, Taiwan
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Traditional Herbal Medicine Research Center, Taipei Medical University Hospital, Taipei, Taiwan
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
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3
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Chang GRL, Cheng WY, Fan HC, Chen HL, Lan YW, Chen MS, Yen CC, Chen CM. Kefir peptides attenuate atherosclerotic vascular calcification and osteoporosis in atherogenic diet-fed ApoE−/− knockout mice. Front Cell Dev Biol 2023; 11:1158812. [PMID: 37091976 PMCID: PMC10117689 DOI: 10.3389/fcell.2023.1158812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 03/27/2023] [Indexed: 04/08/2023] Open
Abstract
Aims: Vascular calcification (VC) and osteoporosis were previously considered two distinct diseases. However, current understanding indicates that they share common pathogenetic mechanisms. The available medicines for treating VC and osteoporosis are limited. We previously demonstrated that kefir peptides (KPs) alleviated atherosclerosis in high-fat diet (HFD)-induced apolipoprotein E knockout (ApoE−/−) mice. The present study further addressed the preventive effects of KPs on VC and osteoporosis in ApoE−/− mice fed a high-cholesterol atherogenic diet (AD).Main methods: Seven-week-old ApoE−/− and wild-type C57BL/6 mice were randomly divided into five groups (n = 6). The development of VC and osteoporosis was evaluated after AD feeding for 13 weeks in KP-treated ApoE−/− mice and compared to C57BL/6 and ApoE−/− mice fed a standard chow diet (CD).Key findings: The results indicated that KP-treated ApoE−/− mice exhibited lower serum total cholesterol, oxidized low-density lipoprotein (ox-LDL), malondialdehyde (MDA) levels, and serum alanine aminotransferase (ALT), aspartate aminotransferase (AST) and creatine kinase (CK) activities, which suggested that KPs prevented hyperlipidemia and possible damages to the liver and muscle in ApoE−/− mice. KPs reduced serum tumor necrosis factor-α (TNF-α) and the local expression of TNF-α, IL-1β, and macrophage-specific CD68 markers in aortic tissues, which suggested that KPs inhibited inflammatory responses in AD-fed ApoE−/− mice. KPs reduced the deposition of lipid, collagen, and calcium minerals in the aortic roots of AD-fed ApoE−/− mice, which suggested that KPs inhibited the calcific progression of atherosclerotic plaques. KPs exerted osteoprotective effects in AD-fed ApoE−/− mice, which was evidenced by lower levels of the bone resorption marker CTX-1 and higher levels of the bone formation marker P1NP. KPs improved cortical bone mineral density and bone volume and reduced trabecular bone loss in femurs.Significance: The present data suggested that KPs attenuated VC and osteoporosis by reducing oxidative stress and inflammatory responses in AD-fed ApoE−/− mice. Our findings contribute to the application of KPs as preventive medicines for the treatment of hyperlipidemia-induced vascular and bone degeneration.
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Affiliation(s)
- Gary Ro-Lin Chang
- Department of Pediatrics, Department of Medical Research, Tungs’ Taichung Metroharbor Hospital, Taichung, Taiwan
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Wei-Yuan Cheng
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Hueng-Chuen Fan
- Department of Pediatrics, Department of Medical Research, Tungs’ Taichung Metroharbor Hospital, Taichung, Taiwan
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- Department of Rehabilitation, Jen-Teh Junior College of Medicine, Miaoli, Taiwan
| | - Hsiao-Ling Chen
- Department of Biomedical Sciences, and Department of Bioresources, Da-Yeh University, Changhwa, Taiwan
| | - Ying-Wei Lan
- Department of Pediatrics, Department of Medical Research, Tungs’ Taichung Metroharbor Hospital, Taichung, Taiwan
- Division of Pulmonary Biology, Cincinnati Children’s Hospital Medical Center, University of Cincinnati, Cincinnati, OH, United States
| | - Ming-Shan Chen
- Department of Anesthesiology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan
| | - Chih-Ching Yen
- Department of Internal Medicine, China Medical University Hospital, and College of Healthcare, China Medical University, Taichung, Taiwan
- *Correspondence: Chih-Ching Yen, ; Chuan-Mu Chen,
| | - Chuan-Mu Chen
- Department of Pediatrics, Department of Medical Research, Tungs’ Taichung Metroharbor Hospital, Taichung, Taiwan
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- The iEGG and Animal Biotechnology Center, National Chung Hsing University, Taichung, Taiwan
- *Correspondence: Chih-Ching Yen, ; Chuan-Mu Chen,
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4
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Chuang KC, Lai YW, Ko CH, Yen CC, Chen HL, Lan YW, Chen CF, Chen W, Chen CM. Therapeutic effects of kefir peptides on adjuvant-induced arthritis in rats through anti-inflammation and downregulation of matrix metalloproteinases. Life Sci 2023; 317:121411. [PMID: 36682523 DOI: 10.1016/j.lfs.2023.121411] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/20/2022] [Accepted: 01/15/2023] [Indexed: 01/22/2023]
Abstract
AIMS Rheumatoid arthritis (RA) is a chronic autoimmune disease. Its pathological features are synovial inflammation, bone erosion, and joint structural damages. Our previous studies have shown that kefir peptides (KPs) can reduce cardiovascular disease, osteoporosis and renal inflammation. In this study, we further evaluate the efficacy of KPs on adjuvant-induced arthritis (AIA) in a rat model. MAIN METHODS After the 14th day of adjuvant induction, rats were subsequently orally administered KPs (83 or 166 mg/day/kg) or tofacitinib (6.2 mg/day/kg) for 14 days. On the 28th day, the rats were anesthetized with isoflurane for ultrasonic, in vivo imaging system (IVIS), and radiographic imaging and then sacrificed for ankle tissues collection and analysis. In vitro, IL-1β-treated human synovial cells (SW982) were subjected to anti-arthritis mechanism study in the presence of KPs. KEY FINDINGS The results of ultrasonography, radiograph, histology, the expression of matrix metalloproteinases (MMPs), inflammatory cytokines and RANKL/OPG ratio demonstrated decreasing severity of synovitis and bone erosion in the ankle joints after KPs treatment. Activation of the NF-κB and MAPK pathways was significantly reduced in KPs treated AIA group. Furthermore, KPs attenuated IL-1β-induced inflammatory cytokine production and the expression of MMPs in a human synovial cell line SW982. These results demonstrated that KPs alleviated adjuvant-induced arthritis in rats by inhibiting IL-1β-related inflammation and MMPs production. SIGNIFICANCE We concluded that KPs can exhibit anti-inflammatory effects by reducing the levels of macrophage-related inflammatory cytokines and MMPs, thus alleviating bone erosion in the ankle joint and constituting a potential therapeutic strategy for rheumatoid arthritis.
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Affiliation(s)
- Kai-Cheng Chuang
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
| | - Yun-Wen Lai
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
| | - Chi-Hua Ko
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; Division of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Yunlin 638, Taiwan
| | - Chih-Ching Yen
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; Department of Internal Medicine, China Medical University Hospital, College of Health Care, China Medical University, Taichung 404, Taiwan
| | - Hsiao-Ling Chen
- Department of Biomedical Sciences, Department of Bioresources, Da-Yeh University, Changhwa 515, Taiwan
| | - Ying-Wei Lan
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; Division of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, University of Cincinnati, OH, USA
| | - Chien-Fu Chen
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; Department of Orthopedic Surgery, Taichung Armed Forces General Hospital, Taichung 411, Taiwan
| | - Wei Chen
- Division of Pulmonary and Critical Care Medicine, Chia-Yi Christian Hospital, Chiayi, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; The iEGG and Animal Biotechnology Center, The Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan.
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5
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Chang GRL, Lin WY, Fan HC, Tu MY, Liu YH, Yen CC, Cidem A, Chen W, Chen CM. Kefir peptides ameliorate osteoporosis in AKR1A1 knockout mice with vitamin C deficiency by promoting osteoblastogenesis and inhibiting osteoclastogenesis. Biomed Pharmacother 2022; 156:113859. [DOI: 10.1016/j.biopha.2022.113859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 10/07/2022] [Indexed: 11/15/2022] Open
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6
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Kefir peptides promote osteogenic differentiation to enhance bone fracture healing in rats. Life Sci 2022; 310:121090. [DOI: 10.1016/j.lfs.2022.121090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 10/04/2022] [Accepted: 10/12/2022] [Indexed: 11/09/2022]
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7
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Li X, Zhang J, Kong X, Xerenbek T, Mamet T. Yak (Bos grunniens) milk improves bone mass and microarchitecture in mice with osteoporosis. J Dairy Sci 2022; 105:7878-7890. [PMID: 35965127 DOI: 10.3168/jds.2022-21880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 05/23/2022] [Indexed: 11/19/2022]
Abstract
The effect of milk on bone health is controversial. In this study, the effects of yak milk in mice with retinoic acid-induced osteoporosis (OP) were evaluated. Yak milk was provided to OP mice as a nutrition supplement for 6 wk. The results showed that yak milk significantly reduced bone turnover markers (tartrate acid phosphatase and alkaline phosphatase). The yak milk treatment was also associated with remarkably increased bone mineral density, bone volume, trabecular thickness, and trabecular number, as well as improved biomechanical properties (maximum load and stress) of the tibia. Furthermore, yak milk mitigated the deterioration of the network and thickness of trabecular bone in treated OP mice compared with the OP model group. The results indicated that yak milk could improve bone mass and microarchitecture through the inhibition of bone resorption in OP mice.
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Affiliation(s)
- Xiaotong Li
- Department of Food Science and Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China
| | - Jin Zhang
- Department of Food Science and Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China
| | - Xianglin Kong
- Department of Food Science and Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China
| | - Talaygul Xerenbek
- The First People's Hospital of Kashgar Prefecture, Kashgar 844000, China
| | - Torkun Mamet
- Department of Food Science and Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China; Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, Xinjiang University, Urumqi 830046, China.
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8
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Lai G, Zhao R, Zhuang W, Hou Z, Yang Z, He P, Wu J, Sang H. BMSC-derived exosomal miR-27a-3p and miR-196b-5p regulate bone remodeling in ovariectomized rats. PeerJ 2022; 10:e13744. [PMID: 36168439 PMCID: PMC9509671 DOI: 10.7717/peerj.13744] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 06/27/2022] [Indexed: 01/22/2023] Open
Abstract
Background In the bone marrow microenvironment of postmenopausal osteoporosis (PMOP), bone marrow mesenchymal stem cell (BMSC)-derived exosomal miRNAs play an important role in bone formation and bone resorption, although the pathogenesis has yet to be clarified. Methods BMSC-derived exosomes from ovariectomized rats (OVX-Exo) and sham-operated rats (Sham-Exo) were co-cultured with bone marrow-derived macrophages to study their effects on osteoclast differentiation. Next-generation sequencing was utilized to identify the differentially expressed miRNAs (DE-miRNAs) between OVX-Exo and Sham-Exo, while target genes were analyzed using bioinformatics. The regulatory effects of miR-27a-3p and miR-196b-5p on osteogenic differentiation of BMSCs and osteoclast differentiation were verified by gain-of-function and loss-of-function analyses. Results Osteoclast differentiation was significantly enhanced in the OVX-Exo treatment group compared to the Sham-Exo group. Twenty DE-miRNAs were identified between OVX-Exo and Sham-Exo, among which miR-27a-3p and miR-196b-5p promoted the expressions of osteogenic differentiation markers in BMSCs. In contrast, knockdown of miR-27a-3p and miR-196b-5p increased the expressions of osteoclastic markers in osteoclast. These 20 DE-miRNAs were found to target 11435 mRNAs. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses revealed that these target genes were involved in several biological processes and osteoporosis-related signaling pathways. Conclusion BMSC-derived exosomal miR-27a-3p and miR-196b-5p may play a positive regulatory role in bone remodeling.
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Affiliation(s)
- Guohua Lai
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Renli Zhao
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Weida Zhuang
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Zuoxu Hou
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Zefeng Yang
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Peipei He
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Jiachang Wu
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Hongxun Sang
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
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de Vasconcelos RF, Costa V, Araujo B, Maia TAC, Dias R, Vasconcelos L, Silveira H, Carneiro B, Thiers D, Costa FWG, Kurita L, Ayala A, Leitão R, Pereira KMA, Gondim DV, Goes P. Milk kefir therapy improves the skeletal response to resistance exercise in rats submitted to glucocorticoid-induced osteoporosis. Exp Gerontol 2022; 167:111921. [PMID: 35964897 DOI: 10.1016/j.exger.2022.111921] [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: 04/19/2022] [Revised: 08/03/2022] [Accepted: 08/06/2022] [Indexed: 11/04/2022]
Abstract
Glucocorticoid-induced osteoporosis (GIO) has emerged as a challenge after long-term glucocorticoids (GCs) administration. Exercise has been an important non-pharmacological option, while medications modulate bone remodeling despite adverse effects. In this way, milk Kefir (MK) therapy stands out as a safe alternative to improve bone metabolism. Our study aimed to investigate the effect of MK associated to resistance exercise on bone loss in rats with GIO. For this, sixty male Wistar rats were divided into 2 groups: normal (N) and subjected to GIO, which was subdivided into 4 groups: control (C), milk kefir therapy (K), Exercise (Ex), and Exercise+K (ExK). GIO was induced by dexamethasone (7 mg/kg - i.m.; 1×/wk, 5 wk). MK was administered daily (1×/day; 0.7 ml/animal) and the climb exercise with load was performed 3×/wk; both for 16 wk. Femur was collected for assessment of bone microarchitecture, quality and metabolism. GIO markedly reduced trabecular bone volume density (BV/TV) (-35 %), trabecular thickness (Tb.Th) (-33 %), mineral content of femur (-26 %) as well as bone collagen content (-56 %). Bone strength and its biomechanical properties given by flexural strength (-81 %), fracture load (-80 %), and the number of osteocytes (-84 %) were lowered after GIO. GCs reduced osteoblast number and function while increased osteoclast number, altering bone remodeling (p < 0.05). On the other hand, ExK significantly improved bone microarchitecture and quality, marked by fractal dimension increase (+38 %), cortical volume (+34 %), BV/TV (+34 %), Tb.Th (+33 %), mineral content and collagen maturity, while reduced the space between trabecula (-34 %). The Ex and ExK increased the number of osteocytes (p < 0.05) and they were able to reverse the lower osteoblast number. Both treatments used alone significantly enhanced bone biomechanical properties, but the ExK showed a more significant improvement. ExK ameliorated bone strength and biomechanics (p < 0.05) and stimulated bone formation and modulated bone remodeling (p < 0.05). MK and exercise administered isolated or in association increased the percentage of collagen bone filling after GIO (p < 0.05), but only ExK improved collagen maturity. Our results showed that MK associated to resistance exercise enhanced bone microarchitecture, quality and metabolism, being therefore an interesting tool to improve skeletal response during GIO.
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Affiliation(s)
- Raquel Felipe de Vasconcelos
- Post-Graduation Program in Morphofunctional Science, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Vanessa Costa
- Post-Graduation Program in Morphofunctional Science, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Bruno Araujo
- Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Thays Allane Cordeiro Maia
- Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Romero Dias
- Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Lorena Vasconcelos
- Post-Graduation Program in Morphofunctional Science, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Helson Silveira
- Post-Graduation Program in Morphofunctional Science, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Bárbara Carneiro
- Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Post-Graduation Program in Dentistry, Department of Clinical Dentistry, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
| | - Diego Thiers
- Post-Graduation Program in Morphofunctional Science, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Fábio Wildson Gurgel Costa
- Post-Graduation Program in Dentistry, Department of Clinical Dentistry, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil; Oral Radiology Unit, Department of Dental Clinic, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
| | - Lúcio Kurita
- Oral Radiology Unit, Department of Dental Clinic, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
| | - Alejandro Ayala
- Post-graduation Program in Physics, Department of Physics, Federal University of Ceará, Fortaleza, Brazil
| | - Renata Leitão
- Post-Graduation Program in Morphofunctional Science, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Department of Morphology, Medical School, Federal University of Ceará, Fortaleza, Brazil
| | - Karuza Maria Alves Pereira
- Post-Graduation Program in Morphofunctional Science, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Department of Morphology, Medical School, Federal University of Ceará, Fortaleza, Brazil
| | - Delane Viana Gondim
- Post-Graduation Program in Morphofunctional Science, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Department of Morphology, Medical School, Federal University of Ceará, Fortaleza, Brazil
| | - Paula Goes
- Post-Graduation Program in Morphofunctional Science, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Nucleus of Study and Research in Pain, Inflammation and Osteoimmunology (NEPDIO), School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil; Department of Pathology and Legal Medicine, Medical School, Federal University of Ceará, Fortaleza, Brazil.
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Kydonaki EK, Freitas L, Reguengo H, Simón CR, Bastos AR, Fernandes EM, Canadas RF, Oliveira JM, Correlo VM, Reis RL, Vliora M, Gkiata P, Koutedakis Y, Ntina G, Pinto R, Carrillo AE, Marques F, Amorim T. Pharmacological and Non-Pharmacological Agents versus Bovine Colostrum Supplementation for the Management of Bone Health Using an Osteoporosis-Induced Rat Model. Nutrients 2022; 14:nu14142837. [PMID: 35889794 PMCID: PMC9317446 DOI: 10.3390/nu14142837] [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] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/05/2022] [Accepted: 07/08/2022] [Indexed: 11/16/2022] Open
Abstract
Osteoporosis is defined by loss of bone mass and deteriorated bone microarchitecture. The present study compared the effects of available pharmacological and non-pharmacological agents for osteoporosis [alendronate (ALE) and concomitant supplementation of vitamin D (VD) and calcium (Ca)] with the effects of bovine colostrum (BC) supplementation in ovariectomized (OVX) and orchidectomized (ORX) rats. Seven-month-old rats were randomly allocated to: (1) placebo-control, (2) ALE group (7.5 μg/kg of body weight/day/5 times per week), (3) VD/Ca group (VD: 35 μg/kg of body weight/day/5 times per week; Ca: 13 mg/kg of body weight/day/3 times per week), and (4) BC supplementation (OVX: 1.5 g/day/5 times per week; ORX: 2 g/day/5 times per week). Following four months of supplementation, bone microarchitecture, strength and bone markers were evaluated. ALE group demonstrated significantly higher Ct.OV, Ct.BMC, Tb.Th, Tb.OV and Tb.BMC and significantly lower Ct.Pr, Tb.Pr, Tb.Sp, Ct.BMD and Tb.BMD, compared to placebo (p < 0.05). BC presented significantly higher Ct.Pr, Ct.BMD, Tb.Pr, Tb.Sp, and Tb.BMD and significantly lower Ct.OV, Ct.BMC, Tb.Th, Tb.OV and Tb.BMC compared to ALE in OVX rats (p < 0.05). OVX rats receiving BC experienced a significant increase in serum ALP and OC levels post-supplementation (p < 0.05). BC supplementation may induce positive effects on bone metabolism by stimulating bone formation, but appear not to be as effective as ALE.
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Affiliation(s)
- Eirini K. Kydonaki
- UCIBIO/REQUIMTE, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (E.K.K.); (L.F.); (H.R.); (F.M.)
| | - Laura Freitas
- UCIBIO/REQUIMTE, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (E.K.K.); (L.F.); (H.R.); (F.M.)
| | - Henrique Reguengo
- UCIBIO/REQUIMTE, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (E.K.K.); (L.F.); (H.R.); (F.M.)
| | - Carlos Raposo Simón
- Centro de Estudios Superiores de la Industria Farmacéutica (CESIF, SA), 28010 Madrid, Spain;
| | - Ana R. Bastos
- 3B’s Research Group, I3Bs—Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Guimarães, Portugal; (A.R.B.); (E.M.F.); (R.F.C.); (J.M.O.); (V.M.C.); (R.L.R.)
- ICVS/3B’s-PT Government Associate Laboratory, 4805-017 Braga, Portugal
| | - Emanuel M. Fernandes
- 3B’s Research Group, I3Bs—Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Guimarães, Portugal; (A.R.B.); (E.M.F.); (R.F.C.); (J.M.O.); (V.M.C.); (R.L.R.)
- ICVS/3B’s-PT Government Associate Laboratory, 4805-017 Braga, Portugal
| | - Raphaël F. Canadas
- 3B’s Research Group, I3Bs—Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Guimarães, Portugal; (A.R.B.); (E.M.F.); (R.F.C.); (J.M.O.); (V.M.C.); (R.L.R.)
- ICVS/3B’s-PT Government Associate Laboratory, 4805-017 Braga, Portugal
| | - Joaquim M. Oliveira
- 3B’s Research Group, I3Bs—Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Guimarães, Portugal; (A.R.B.); (E.M.F.); (R.F.C.); (J.M.O.); (V.M.C.); (R.L.R.)
- ICVS/3B’s-PT Government Associate Laboratory, 4805-017 Braga, Portugal
| | - Vitor M. Correlo
- 3B’s Research Group, I3Bs—Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Guimarães, Portugal; (A.R.B.); (E.M.F.); (R.F.C.); (J.M.O.); (V.M.C.); (R.L.R.)
- ICVS/3B’s-PT Government Associate Laboratory, 4805-017 Braga, Portugal
| | - Rui L. Reis
- 3B’s Research Group, I3Bs—Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Guimarães, Portugal; (A.R.B.); (E.M.F.); (R.F.C.); (J.M.O.); (V.M.C.); (R.L.R.)
- ICVS/3B’s-PT Government Associate Laboratory, 4805-017 Braga, Portugal
| | - Maria Vliora
- School of Sports and Exercise Sciences, University of Thessaly, 42100 Trikala, Greece; (M.V.); (P.G.); (Y.K.)
| | - Paraskevi Gkiata
- School of Sports and Exercise Sciences, University of Thessaly, 42100 Trikala, Greece; (M.V.); (P.G.); (Y.K.)
| | - Yiannis Koutedakis
- School of Sports and Exercise Sciences, University of Thessaly, 42100 Trikala, Greece; (M.V.); (P.G.); (Y.K.)
- Faculty of Education, Health and Wellbeing, University of Wolverhampton, Walsall WS1 3BD, UK
| | - Georgia Ntina
- BME, Biomechanical Solutions, 43150 Karditsa, Greece;
| | - Rui Pinto
- iMed.UL, Faculty of Pharmacy, University of Lisbon, 1649-003 Lisbon, Portugal;
- JCS, Laboratório de Análises Clínicas Dr. Joaquim Chaves, Avenida General Norton de Matos, 1495-148 Algés, Portugal
| | - Andres E. Carrillo
- Department of Exercise Science, Chatham University, Pittsburgh, PA 15232, USA;
- Move-Cor Inc., Pittsburgh, PA 15017, USA
| | - Franklim Marques
- UCIBIO/REQUIMTE, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (E.K.K.); (L.F.); (H.R.); (F.M.)
| | - Tânia Amorim
- UCIBIO/REQUIMTE, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (E.K.K.); (L.F.); (H.R.); (F.M.)
- Correspondence:
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11
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Yan Q, Cai L, Guo W. New Advances in Improving Bone Health Based on Specific Gut Microbiota. Front Cell Infect Microbiol 2022; 12:821429. [PMID: 35860378 PMCID: PMC9289272 DOI: 10.3389/fcimb.2022.821429] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 06/01/2022] [Indexed: 12/31/2022] Open
Abstract
The gut microbiota has been shown to play an important role in the pathogenesis of various diseases, including metabolic diseases, cardiovascular diseases, and cancer. Recent studies suggest that the gut microbiota is also closely associated with bone metabolism. However, given the high diversity of the gut microbiota, the effects of different taxa and compositions on bone are poorly understood. Previous studies demonstrated that the mechanisms underlying the effects of the gut microbiota on bone mainly include its modulation of nutrient absorption, intestinal permeability, metabolites (such as short-chain amino acids), immune responses, and hormones or neurotransmitters (such as 5-hydroxytryptamine). Several studies found that external interventions, such as dietary changes, improved bone health and altered the composition of the gut microbiota. This review summarises the beneficial gut bacteria and explores how dietary, natural, and physical factors alter the diversity and composition of the gut microbiota to improve bone health, thereby providing potential new insight into the prevention of osteoporosis.
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12
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de Sire A, de Sire R, Curci C, Castiglione F, Wahli W. Role of Dietary Supplements and Probiotics in Modulating Microbiota and Bone Health: The Gut-Bone Axis. Cells 2022; 11:cells11040743. [PMID: 35203401 PMCID: PMC8870226 DOI: 10.3390/cells11040743] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 02/04/2022] [Accepted: 02/09/2022] [Indexed: 02/04/2023] Open
Abstract
Osteoporosis is characterized by an alteration of bone microstructure with a decreased bone mineral density, leading to the incidence of fragility fractures. Around 200 million people are affected by osteoporosis, representing a major health burden worldwide. Several factors are involved in the pathogenesis of osteoporosis. Today, altered intestinal homeostasis is being investigated as a potential additional risk factor for reduced bone health and, therefore, as a novel potential therapeutic target. The intestinal microflora influences osteoclasts’ activity by regulating the serum levels of IGF-1, while also acting on the intestinal absorption of calcium. It is therefore not surprising that gut dysbiosis impacts bone health. Microbiota alterations affect the OPG/RANKL pathway in osteoclasts, and are correlated with reduced bone strength and quality. In this context, it has been hypothesized that dietary supplements, prebiotics, and probiotics contribute to the intestinal microecological balance that is important for bone health. The aim of the present comprehensive review is to describe the state of the art on the role of dietary supplements and probiotics as therapeutic agents for bone health regulation and osteoporosis, through gut microbiota modulation.
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Affiliation(s)
- Alessandro de Sire
- Physical Medicine and Rehabilitation Unit, Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy
- Correspondence: (A.d.S.); (W.W.)
| | - Roberto de Sire
- Gastroenterology Unit, Department of Clinical Medicine and Surgery, University Federico II of Naples, 80126 Naples, Italy; (R.d.S.); (F.C.)
| | - Claudio Curci
- Physical Medicine and Rehabilitation Unit, Department of Neurosciences, ASST Carlo Poma, 46100 Mantova, Italy;
| | - Fabiana Castiglione
- Gastroenterology Unit, Department of Clinical Medicine and Surgery, University Federico II of Naples, 80126 Naples, Italy; (R.d.S.); (F.C.)
| | - Walter Wahli
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, Clinical Sciences Building, Singapore 308232, Singapore
- Toxalim Research Center in Food Toxicology (UMR 1331), French National Research Institute for Agriculture, Food, and the Environment (INRAE), F-31300 Toulouse, France
- Center for Integrative Genomics, University of Lausanne, Le Génopode, CH-1015 Lausanne, Switzerland
- Correspondence: (A.d.S.); (W.W.)
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13
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Yen CC, Liu YW, Chang GRL, Lan YW, Kao YT, Cheng SN, Chen W, Chen CM. Therapeutic Effects of Kefir Peptides on Hemophilia-Induced Osteoporosis in Mice With Deficient Coagulation Factor VIII. Front Cell Dev Biol 2022; 10:794198. [PMID: 35252176 PMCID: PMC8894723 DOI: 10.3389/fcell.2022.794198] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 01/19/2022] [Indexed: 12/29/2022] Open
Abstract
Osteoporosis is a clinically prevalent comorbidity in patients with hemophilia. A preventive effect of kefir peptides (KPs) on postmenopausal osteoporosis has been proved. The aim of this study was to evaluate the therapeutic effect of KPs for the treatment of osteoporosis in coagulation factor VIII (FVIII) gene knockout mice (F8KO), a model of hemophilia A. In this study, male F8KO mice at 20 weeks of age were orally administered different doses of KPs for 8 weeks. The therapeutic effects of KPs were shown in the femoral trabeculae and the 4th lumbar vertebrae, which increased the trabecular bone mineral density (BMD), bone volume (Tb.BV/TV), and trabecular number (Tb.N) and decreased the trabecular separation (Tb.Sp), and they were also observed in the femoral cortical bones, in which the mechanical properties were enhanced in a dose-dependent manner. Characterization of receptor activator of nuclear factor κB ligand (RANKL), osteoprotegerin (OPG), and interleukin 6 (IL-6) demonstrated that the serum RANKL/OPG ratio and IL-6 levels were significantly decreased in the F8KO mice after the KP treatment. Tartrate-resistant acid phosphatase (TRAP) staining of mature osteoclasts indicated that the therapeutic effect of KPs in F8KO mice was associated with the functions of KPs to inhibit RANKL-induced osteoclastogenesis by reducing serum RANKL/OPG ratio and IL-6 secretion. The present study is the first to address the potentials of KPs for the treatment of hemophilia-induced osteoporosis in mice and it also provides useful information for the application of KPs as a complementary therapy for the treatment of osteoporosis in hemophilic patients.
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Affiliation(s)
- Chih-Ching Yen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- Department of Internal Medicine, China Medical University Hospita, College of Health Care, China Medical University, Taichung, Taiwan
| | - Yao-Wen Liu
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Gary Ro-Lin Chang
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Ying-Wei Lan
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Yung-Tsung Kao
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- Ph.D. Program in Tissue Engineering and Regenerative Medicine, National Health Research Institutes and National Chung Hsing University, Taichung, Taiwan
| | - Shin-Nan Cheng
- Department of Pediatrics, Department of Medical Research, Tungs’ Taichung Metroharbor Hospital, Taichung, Taiwan
| | - Wei Chen
- Division of Pulmonary and Critical Care Medicine, Chia-Yi Christian Hospital, Chiayi, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- The iEGG and Animal Biotechnology Center, National Chung Hsing University, Taichung, Taiwan
- Rong Hsing Research Center for Translational Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
- *Correspondence: Chuan-Mu Chen,
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14
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Eating Fermented: Health Benefits of LAB-Fermented Foods. Foods 2021; 10:foods10112639. [PMID: 34828920 PMCID: PMC8620815 DOI: 10.3390/foods10112639] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 12/21/2022] Open
Abstract
Lactic acid bacteria (LAB) are involved in producing a considerable number of fermented products consumed worldwide. Many of those LAB fermented foods are recognized as beneficial for human health due to probiotic LAB or their metabolites produced during food fermentation or after food digestion. In this review, we aim to gather and discuss available information on the health-related effects of LAB-fermented foods. In particular, we focused on the most widely consumed LAB-fermented foods such as yoghurt, kefir, cheese, and plant-based products such as sauerkrauts and kimchi.
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15
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Abstract
As the world's population ages, the treatment of osteoporosis is a major problem to be addressed. The cause of osteoporosis remains unclear. Ca2+ is not only an important component of bones but also plays a key role in osteoporosis treatment. Transient receptor potential vanilloid (TRPV) channels are one of the TRP channel families that is widely distributed in various organs, playing an important role in the physiological regulation of the human body. Bone formation and bone absorption may require Ca2+ transport via TRPV channels. It has been proven that the TRPV subtypes 1, 2, 4, 5, 6 (TRPV1, TRPV2, TRPV4, TRPV5, TRPV6) may affect bone metabolism balance through selective regulation of Ca2+. They significantly regulate osteoblast/osteoclast proliferation, differentiation and function. The purpose of this review is to explore the mechanisms of TRPV channels involved in regulation of the differentiation of osteoblasts and osteoclasts, as well as to discuss the latest developments in current researches, which may provide new clues and directions for an in-depth study of osteoporosis and other related bone metabolic diseases.
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16
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Chang GRL, Tu MY, Chen YH, Chang KY, Chen CF, Lai JC, Tung YT, Chen HL, Fan HC, Chen CM. KFP-1, a Novel Calcium-Binding Peptide Isolated from Kefir, Promotes Calcium Influx Through TRPV6 Channels. Mol Nutr Food Res 2021; 65:e2100182. [PMID: 34477300 DOI: 10.1002/mnfr.202100182] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 07/25/2021] [Indexed: 01/16/2023]
Abstract
INTRODUCTION Kefir is an acidic and alcoholic fermented milk product with multiple health-promoting benefits. A previous study demonstrated that kefir enhanced calcium absorption in intestinal Caco-2 cells. In this study, kefir-fermented peptide-1 (KFP-1) is isolated from the kefir peptide fraction, and its function as a calcium-binding peptide is characterized. METHODS AND RESULTS KFP-1 was identified as a 17-residue peptide with a sequence identical to that of κ-casein (residues 138-154) in milk protein. KFP-1 is demonstrated to promote calcium influx in Caco-2 and IEC-6 small intestinal cells in a concentration-dependent manner. TRPV6, but not L-type voltage-gated calcium channels, is associated with the calcium influx induced by KFP-1. An in vitro calcium binding assay indicates that the full-length KFP-1 peptide has a higher calcium-binding capacity than the two truncated KFP-1 peptides, KFP-1∆C5 and KFP-1C5. Alexa Fluor 594 labeling shows that KFP-1 is taken up by Caco-2 cells and interacts with calcium ions and TRPV6 protein. Moreover, KFP-1 is found moderately resistant to pepsin and pancreatin digestions and enhanced calcium uptake by intestinal enterocytes in vivo. CONCLUSION These data suggest that KFP-1, a novel calcium-binding peptide, binds extracellular calcium ions and enters Caco-2 and IEC-6 cells, and promotes calcium uptake through TRPV6 calcium channels. The present study is of great importance for developing kefir-derived metal ion-binding peptides as functional nutraceutical additives.
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Affiliation(s)
- Gary Ro-Lin Chang
- Department of Pediatrics, Department of Medical Research, Tungs' Taichung Metroharbor Hospital, Taichung, 435, Taiwan.,Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan
| | - Min-Yu Tu
- Aviation Physiology Research Laboratory, Kaohsiung Armed Forces General Hospital Gangshan Branch, Kaohsiung, 820, Taiwan.,Department of Health Business Administration, Meiho University, Pingtung, 912, Taiwan.,Institute of Biomedical Science and Technology, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan
| | - Yu-Hsuan Chen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.,Ph.D. Program in Tissue Engineering and Regenerative Medicine, National Health Research Institutes and National Chung Hsing University, Taichung, 402, Taiwan
| | - Ku-Yi Chang
- Department of Orthopedic Surgery, Jen-Ai Hospital, Dali Branch, Taichung, 402, Taiwan
| | - Chien-Fu Chen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.,Department of Orthopedic Surgery, Taichung Armed Forces General Hospital, Taichung, 411, Taiwan
| | - Jen-Chieh Lai
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.,Department of Orthopedic Surgery, Taichung Armed Forces General Hospital, Taichung, 411, Taiwan
| | - Yu-Tang Tung
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.,Institute of Biotechnology, National Chung Hsing University, Taichung, 402, Taiwan
| | - Hsiao-Ling Chen
- Department of Biomedical Sciences, and Department of Bioresources, Da-Yeh University, Changhwa, 515, Taiwan
| | - Hueng-Chuen Fan
- Department of Pediatrics, Department of Medical Research, Tungs' Taichung Metroharbor Hospital, Taichung, 435, Taiwan.,Department of Rehabilitation, Jen-Teh Junior College of Medicine, Miaoli, 356, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.,The iEGG and Animal Biotechnology Center, and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan
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17
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Moazen M, Mazloom Z, Tanideh N, Dabbaghmanesh MH, Rahmdel S, Azarpira N, Fararouei M. Osteoprotective effects of kefir fortified with omega-3 and vitamin C in ovariectomized rats. INT J VITAM NUTR RES 2021:1-10. [PMID: 34162225 DOI: 10.1024/0300-9831/a000718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Nutritional interventions can be valuable for the prevention of postmenopausal osteoporosis. This study aimed to investigate the effects of kefir fortified with omega-3 and vitamin C on the bone and uterus parameters of ovariectomized rats. Seventy-seven female Sprague-Dawley rats were ovariectomized or sham-operated. The ovariectomized rats were assigned to six groups and received 1 ml/day of distilled water (OVX group), milk, kefir, kefir fortified with omega-3 (kefir+ω3), kefir fortified with vitamin C (kefir+vit-C) or kefir fortified with omega-3 and vitamin C (kefir+ω3+vit-C) for 12 weeks. The sham group also received 1ml/day of distilled water. Subsequently, bone mineral content (BMC) and bone mineral density (BMD) of various bones were assessed. Femurs and uteri were harvested for bone ash analysis and histopathological examinations, respectively. Sera were analyzed for carboxy-terminal cross-linked telopeptide of type 1 collagen, procollagen type 1 amino-terminal propeptide, calcium, phosphorous, tumor necrosis factor-α (TNF-α) and total antioxidant capacity levels. Ovariectomy resulted in significant reduction in bone density (P<0.05). Kefir+ω3+vit-C significantly improved BMC of lumbar spine (0.699±0.027 g compared with 0.580±0.018 in the OVX group), and kefir, kefir+vit-C and kefir+ω3+vit-C significantly increased BMD of tibia (0.118±0.003 g/cm2, 0.119±0.001 and 0.120±0.004 compared with 0.102±0.005 in the OVX group). Moreover, ovariectomy markedly elevated TNF-α level, which was significantly reversed by kefir+ω3+vit-C. Significant atrophy of the uterus was observed following ovariectomy, although the uterus parameters did not change by any of the interventions. In conclusion, kefir fortified with omega-3 and vitamin C may have protective effects against bone loss through suppressing inflammation.
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Affiliation(s)
- Mahsa Moazen
- Nutrition Research Center, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zohreh Mazloom
- Department of Clinical Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nader Tanideh
- Stem Cells Technology Research Center, Department of Pharmacology, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Samane Rahmdel
- Department of Food Hygiene and Quality Control, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Azarpira
- Department of Pathology, Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Fararouei
- Department of Epidemiology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
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18
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Down-regulated microRNA-199a-3p enhances osteogenic differentiation of bone marrow mesenchymal stem cells by targeting Kdm3a in ovariectomized rats. Biochem J 2021; 478:721-734. [PMID: 33410908 DOI: 10.1042/bcj20200314] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 12/31/2020] [Accepted: 01/07/2021] [Indexed: 01/03/2023]
Abstract
Osteoporosis is a prevalent systemic skeletal disorder entailing bone fragility and increased fracture risk, often emerging in post-menopausal life. Emerging evidence implicates the dysregulation of microRNAs (miRNAs or miRs) in the progression of osteoporosis. This study investigated the effect of miR-199a-3p on osteoporosis and its underlying mechanism. We first examplished an ovariectomized (OVX)-induced rat osteoporosis model, and then isolated mesenchymal stem cells (MSCs) from bone marrow of the model rats. The overexpression and knock down of miR-199a-3p were conducted in OVX rats and MSCs to verify the role of miR-199a-3p on MSC differentiation. Calcium nodules were measured using alizarin red S (ARS) staining. RT-qPCR and Western blot assay were performed to measure the expression of miR-199a-3p, Kdm3a and osteogenic differentiation-related markers in rat tissues and cells. The correlation between miR-199a-3p and Kdm3a was confirmed using dual-luciferase reporter assay. The enrichment of Kdm3a at the Erk2 and Klf2 promoter was assessed using chromatin immunoprecipitation (ChIP) assay. Isolated MSCs were positive for CD29, CD44, CD90, and CD45, suggesting successful isolation of MSCs. There was increased expression of miR-199a-3p and inhibited osteogenic differentiation in OVX rats. Kdm3a was negatively targeted by miR-199a-3p. Our results also demonstrated that Kdm3a elevated the expression of Erk2 and Erk2 by promoting Erk2 and Klf2 demethylation, which further contributed to osteogenic differentiation. Overall, our results revealed a regulatory network of miR-199a-3p in osteogenic differentiation, highlighting miR-199a-3p as a potential target for therapeutic interventions in osteoporosis.
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19
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Barros SÉDL, Rocha CDS, de Moura MSB, Barcelos MP, da Silva CHTDP, Hage-Melim LIDS. Potential beneficial effects of kefir and its postbiotic, kefiran, on child food allergy. Food Funct 2021; 12:3770-3786. [PMID: 33977950 DOI: 10.1039/d0fo03182h] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Food allergies are known as the public health problem, affecting people of all age groups, but more commonly in babies and children, with consequences for nutritional status and quality of life. The increase in the consumption of healthy foods has consequently led to an increased demand for functional foods with specific health benefits. Thus, the pharmaceutical industry's interest in natural products has grown every time and is therefore considered as an alternative to synthetic drugs. Kefir has been outstanding for several years as promising in the manufacture of various pharmaceutical products, due to its nutritional and therapeutic properties for the treatment of many diseases. Currently, a wide variety of new functional foods are appearing on the market, representing an important segment. Postbiotics, for example, has stood out for being a product with action similar to probiotics, without offering side effects. The kefiran is the postbiotic from kefir that promotes potential beneficial effects on food allergy from the intestinal microbiome to the immune system. In this context, it is necessary to know the main promoting component of this functional effect. This review compiles the benefits that kefir, and especially its postbiotic, kefiran, can bring to food allergy. In addition, it serve as a subsidy for studies on the development of innovative nutraceutical products, including the use of kefiran as an alternative therapy in food allergy.
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Affiliation(s)
- Susy Érika de Lima Barros
- Laboratory of Pharmaceutical and Medicinal Chemistry (PharMedChem), Federal University of Amapá, Macapá, Brazil.
| | - Caique Dos Santos Rocha
- Laboratory of Pharmaceutical and Medicinal Chemistry (PharMedChem), Federal University of Amapá, Macapá, Brazil.
| | | | - Mariana Pegrucci Barcelos
- Computational Laboratory of Pharmaceutical Chemistry, School of Pharmaceutical Science of Riberão Preto, Univerisity of São Paulo, Ribeirão Preto, Brazil
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Chen HL, Lan YW, Tu MY, Tung YT, Chan MNY, Wu HS, Yen CC, Chen CM. Kefir peptides exhibit antidepressant-like activity in mice through the BDNF/TrkB pathway. J Dairy Sci 2021; 104:6415-6430. [PMID: 33741171 DOI: 10.3168/jds.2020-19222] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 12/03/2020] [Indexed: 01/03/2024]
Abstract
Depression is a prevalent, stress-related mental disorder that can lead to serious psychiatric diseases with morbidity and high mortality. Although some functional fermented dairy drinks have promising anxiolytic and antidepressant effects, the mechanism is still not clear. To determine the antidepressant-like effect and the potential molecule mechanism of kefir peptides (KP), various behavioral tests, including the elevated plus maze test, open field test, forced swimming test, and tail suspension test, were used. Administration of 150 mg/kg KP in mice reduced the duration of immobility in the forced swimming test and tail suspension test, elevated the time spent in the open arm and center zone in the elevated plus maze test, and increased the total distance traveled, average speed, and time spent in the center zone in the open field test compared with the mock group. These results indicated that KP dramatically ameliorated the depression-like behaviors. Kefir peptides were further isolated and identified using high-performance liquid chromatography and liquid chromatography-tandem mass spectrometry, from which 3 peptides were identified and designated KFP-1, KFP-3, and KFP-5. Among these peptides, administration of KFP-3 (15 AA residues) remarkably decreased immobility time in the forced swimming test and increased mobility time in the tail suspension test. Therefore, KFP-3 may be the major active peptide with antidepressant activity in KP. Overexpression of brain-derived neurotrophic factor, phosphorylated tropomyosin receptor kinase B, and phosphorylated ERK1/2 protein levels could be detected in the hippocampus under KP administration. Therefore, we suggest that KP improves depressive-like behaviors by activating the brain-derived neurotrophic factor-phosphorylated tropomyosin receptor kinase B signaling pathway. Kefir peptides may serve as a new type of antidepressant dairy product and may provide potent antidepressant effects for clinical use.
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Affiliation(s)
- Hsiao-Ling Chen
- Department of Biomedical Sciences, Da-Yeh University, Changhwa 515, Taiwan
| | - Ying-Wei Lan
- Department of Life Sciences, and PhD Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
| | - Min-Yu Tu
- Department of Health Business Administration, Meiho University, Pingtung 912, Taiwan; Aviation Physiology Research Laboratory, Kaohsiung Armed Forces General Hospital Gangshan Branch, Kaohsiung 820, Taiwan; Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Yu-Tang Tung
- Department of Life Sciences, and PhD Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei 110, Taiwan
| | - Megan Ning-Yu Chan
- Division of Structural Biology and Biochemistry, Nanyang Technological University, Singapore 639798, Singapore
| | - Hsin-Shan Wu
- Department of Life Sciences, and PhD Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
| | - Chih-Ching Yen
- Department of Life Sciences, and PhD Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; Department of Internal Medicine, China Medical University Hospital, and College of Health Care, China Medical University, Taichung 404, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, and PhD Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; The iEGG and Animal Biotechnology Center, and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan.
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Liu J, Kim EK, Ni A, Kim YR, Zheng F, Lee BS, Kim DG. Multiscale characterization of ovariectomized rat femur. J Biomech 2021; 122:110462. [PMID: 33915473 DOI: 10.1016/j.jbiomech.2021.110462] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 02/12/2021] [Accepted: 04/12/2021] [Indexed: 10/21/2022]
Abstract
Estrogen deficiency activates bone resorbing cells (osteoclasts) and to a lesser extent bone forming cells (osteoblasts), resulting in a gap between resorption and formation that leads to a net loss of bone. These cell activities alter bone architecture and tissue composition. Thus, the objective of this study is to examine whether multiscale (10-2 to 10-7 m) characterization can provide more integrated information to understand the effects of estrogen deficiency on the fracture risk of bone. This is the first study to examine the effects of estrogen deficiency on multiscale characteristics of the same bone specimen. Sprague-Dawley female rats (6 months old) were obtained for a bilateral ovariectomy (OVX) or a sham operation (sham). Micro-computed tomography of rat femurs provided bone volumetric, mineral density, and morphological parameters. Dynamic mechanical analysis, static elastic and fracture mechanical testing, and nanoindentation were also performed using the same femur. As expected, the current findings indicate that OVX reduces bone quantity (mass and bone mineral density) and quality (morphology, and fracture displacement). Additionally, they demonstrated reductions in amount and heterogeneity of tissue mineral density (TMD) and viscoelastic properties. The current results validate that multiscale characterization for the same bone specimen can provide more comprehensive insights to understand how the bone components contributed to mechanical behavior at different scales.
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Affiliation(s)
- Jie Liu
- Division of Orthodontics, College of Dentistry, The Ohio State University, Columbus, OH 43210, USA; Division of Restorative Science and Prosthodontics, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - Eun Kyoung Kim
- Division of Orthodontics, College of Dentistry, The Ohio State University, Columbus, OH 43210, USA
| | - Ai Ni
- Division of Biostatistics, College of Public Health, The Ohio State University, Columbus, OH, USA
| | - Yong-Rak Kim
- Zachry Department of Civil & Environmental Engineering, Texas A&M University, College Station, TX, USA
| | - Fengyuan Zheng
- Division of Restorative Science and Prosthodontics, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - Beth S Lee
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Do-Gyoon Kim
- Division of Orthodontics, College of Dentistry, The Ohio State University, Columbus, OH 43210, USA.
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Mendes E, Casaro MB, Fukumori C, Ribeiro WR, Dos Santos AL, Sartorelli P, Lazarini M, Bogsan CSB, Oliveira MA, Ferreira CM. Preventive oral kefir supplementation protects mice from ovariectomy-induced exacerbated allergic airway inflammation. Benef Microbes 2021; 12:187-197. [PMID: 33789554 DOI: 10.3920/bm2020.0112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Asthma is an inflammatory lung disease that affects more women than men in adulthood. Clinical evidence shows that hormonal fluctuation during the menstrual cycle and menopause are related to increased asthma severity in women. Considering that life expectancy has increased and that most women now undergo menopause, strategies to prevent the worsening of asthma symptoms are particularly important. A recent study from our group showed that re-exposure of ovariectomised allergic mice to antigen (ovalbumin) leads to an exacerbation of lung inflammation that is similar to clinical conditions. However, little is known about the role of probiotics in the prevention of asthma exacerbations during the menstrual cycle or menopause. Thus, our objective was to evaluate the effects of supplementation with kefir, a popular fermented dairy beverage, as a preventive strategy for modulating allergic disease. The results show that the preventive kefir administration decreases the influx of inflammatory cells in the airways and exacerbates the production of mucus and the interleukin 13 cytokine. Additionally, kefir changes macrophage polarisation by decreasing the number of M2 macrophages, as shown by RT-PCR assay. Thus, kefir is a functional food that potentially prevents allergic airway inflammation exacerbations in ovariectomised mice.
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Affiliation(s)
- E Mendes
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
| | - M B Casaro
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
| | - C Fukumori
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
| | - W R Ribeiro
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
| | - A L Dos Santos
- Chemistry Department, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Universidade Federal de São Paulo, Diadema, SP 09972-270, Brazil
| | - P Sartorelli
- Chemistry Department, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Universidade Federal de São Paulo, Diadema, SP 09972-270, Brazil
| | - M Lazarini
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
| | - C S B Bogsan
- Department of Biochemical-Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580, B-16, Sao Paulo, SP 05508-900, Brazil
| | - M A Oliveira
- Department of Pharmacology, Institute of Biomedical Sciences I, University of Sao Paulo, Sao Paulo, Av. Prof. Lineu Prestes, 1374, SP 05508-000, Brazil
| | - C M Ferreira
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
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Bu T, Zheng J, Liu L, Li S, Wu J. Milk proteins and their derived peptides on bone health: Biological functions, mechanisms, and prospects. Compr Rev Food Sci Food Saf 2021; 20:2234-2262. [PMID: 33522110 DOI: 10.1111/1541-4337.12707] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bone is a dynamic organ under constant metabolism (or remodeling), where a delicate balance between bone resorption and bone formation is maintained. Disruption of this coordinated bone remodeling results in bone diseases, such as osteoporosis, the most common bone disorder characterized by decreased bone mineral density and microarchitectural deterioration. Epidemiological and clinical evidence support that consumption of dairy products is beneficial for bone health; this benefit is often attributed to the presence of calcium, the physiological contributions of milk proteins on bone metabolism, however, are underestimated. Emerging evidence highlighted that not only milk proteins (including individual milk proteins) but also their derived peptides positively regulate bone remodeling and attenuate bone loss, via the regulation of cellular markers and signaling of osteoblasts and osteoclasts. This article aims to review current knowledge about the roles of milk proteins, with an emphasis on individual milk proteins, bioactive peptides derived from milk proteins, and effect of milk processing in particular fermentation, on bone metabolism, to highlight the potential uses of milk proteins in the prevention and treatment of osteoporosis, and, to discuss the knowledge gap and to recommend future research directions.
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Affiliation(s)
- Tingting Bu
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, P. R. China.,ZJU-UA Joint Lab for Molecular Nutrition and Bioactive Peptides, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, P. R. China
| | - Jiexia Zheng
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, P. R. China.,ZJU-UA Joint Lab for Molecular Nutrition and Bioactive Peptides, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, P. R. China
| | - Ling Liu
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, P. R. China.,ZJU-UA Joint Lab for Molecular Nutrition and Bioactive Peptides, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, P. R. China
| | - Shanshan Li
- College of Animal Sciences, Zhejiang University, Hangzhou, P. R. China
| | - Jianping Wu
- ZJU-UA Joint Lab for Molecular Nutrition and Bioactive Peptides, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, P. R. China.,Department of Agricultural, Food and Nutritional Science, 4-10 Ag/For Building, University of Alberta, Edmonton, Alberta, Canada
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Preventive Effects of Chrysanthemum coronarium L. Extract on Bone Metabolism In Vitro and In Vivo. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:6975646. [PMID: 33293993 PMCID: PMC7688366 DOI: 10.1155/2020/6975646] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 10/14/2020] [Accepted: 11/09/2020] [Indexed: 12/29/2022]
Abstract
Osteoporosis is characterized by decreased bone mass and bone microarchitectural failure, leading to an enhanced risk of bone fractures. Chrysanthemum coronarium L. (CC) is a natural plant with powerful antioxidant activity. This study investigated the antiosteoporotic effects of CC extracts in in vitro cell cultures and in vivo bone loss animal models. CC stimulated osteoblast differentiation and mineralized bone formation by osteoblasts by increasing the expression of bone formation markers (alkaline phosphatase, osteoprotegerin, and osteoprotegerin/receptor activator nuclear factor-κB ligand ratio) in the murine preosteoblastic cell line MC3T3-E1. Additionally, CC was found to inhibit osteoclast differentiation by downregulating bone resorption markers (tartrate-resistant acid phosphatase, cathepsin K, dendritic cell-specific transmembrane protein, and calcitonin receptor) in the murine macrophage-like cell line RAW264.7. CC prevented ovariectomy-induced bone loss, preserved trabecular microarchitecture, and improved serum bone turnover markers in an osteoporotic mouse model. These findings suggest that CC extract may be considered as a natural therapeutic or preventive agent for osteoporotic bone loss.
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Fu M, Tian Y, Zhang T, Zhan Q, Zhang L, Wang J. Comparative study of DHA-enriched phosphatidylcholine and EPA-enriched phosphatidylcholine on ameliorating high bone turnover via regulation of the osteogenesis-related Wnt/β-catenin pathway in ovariectomized mice. Food Funct 2020; 11:10094-10104. [PMID: 33140795 DOI: 10.1039/d0fo01563f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here, we compared the effects of marine DHA-enriched phosphatidylcholine (DHA-PC) and EPA-enriched phosphatidylcholine (EPA-PC) on high bone turnover in a model of osteoporosis induced by bilateral ovariectomy in vivo, and further investigated the possible protective mechanisms. Meanwhile, DHA-PC and EPA-PC clearly ameliorated the microstructure of the trabecular bone and accelerated bone mineral apposition rate, additionally increasing bone mineral density and biomechanical properties of the bone. Furthermore, gene and protein expression levels suggest that DHA-PC and EPA-PC inhibited overactive osteogenesis via down-regulation of the expression of the osteogenesis-related Wnt/β-catenin signaling pathway. In conclusion, DHA-PC and EPA-PC reduced excessive osteogenesis via normalization of Wnt/β-catenin expression. These results may contribute to the elucidation of the anti-osteoporotic properties of DHA-PC and EPA-PC and further develop their potential application value as a functional food.
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Affiliation(s)
- Meng Fu
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China.
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26
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Tu MY, Han KY, Chang GRL, Lai GD, Chang KY, Chen CF, Lai JC, Lai CY, Chen HL, Chen CM. Kefir Peptides Prevent Estrogen Deficiency-Induced Bone Loss and Modulate the Structure of the Gut Microbiota in Ovariectomized Mice. Nutrients 2020; 12:nu12113432. [PMID: 33182364 PMCID: PMC7695289 DOI: 10.3390/nu12113432] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/03/2020] [Accepted: 11/03/2020] [Indexed: 02/07/2023] Open
Abstract
Osteoporosis is a major skeletal disease associated with estrogen deficiency in postmenopausal women. Kefir-fermented peptides (KPs) are bioactive peptides with health-promoting benefits that are produced from the degradation of dairy milk proteins by the probiotic microflora in kefir grains. This study aimed to evaluate the effects of KPs on osteoporosis prevention and the modulation of the composition of the gut microbiota in ovariectomized (OVX) mice. OVX mice receiving an 8-week oral gavage of 100 mg of KPs and 100 mg of KPs + 10 mg Ca exhibited lower trabecular separation (Tb. Sp), and higher bone mineral density (BMD), trabecular number (Tb. N) and bone volume (BV/TV), than OVX groups receiving Ca alone and untreated mice, and these effects were also reflected in bones with better mechanical properties of strength and fracture toughness. The gut microbiota of the cecal contents was examined by 16S rDNA amplicon sequencing. α-Diversity analysis indicated that the gut microbiota of OVX mice was enriched more than that of sham mice, but the diversity was not changed significantly. Treatment with KPs caused increased microbiota richness and diversity in OVX mice compared with those in sham mice. The microbiota composition changed markedly in OVX mice compared with that in sham mice. Following the oral administration of KPs for 8 weeks, the abundances of Alloprevotella, Anaerostipes, Parasutterella, Romboutsia, Ruminococcus_1 and Streptococcus genera were restored to levels close to those in the sham group. However, the correlation of these bacterial populations with bone metabolism needs further investigation. Taken together, KPs prevent menopausal osteoporosis and mildly modulate the structure of the gut microbiota in OVX mice.
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Affiliation(s)
- Min-Yu Tu
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (M.-Y.T.); (G.R.-L.C.); (G.-D.L.); (C.-F.C.); (J.-C.L.)
- Aviation Physiology Research Laboratory, Kaohsiung Armed Forces General Hospital Gangshan Branch, Kaohsiung 820, Taiwan
- Department of Health Business Administration, Meiho University, Pingtung 912, Taiwan
- Department of Biomedical Engineering, Hungkuang University, Taichung 433, Taiwan
| | - Kuei-Yang Han
- Department of Family Medicine, Jen-Ai Hospital, Dali Branch, Taichung 402, Taiwan; (K.-Y.H.); (K.-Y.C.)
- Department of Orthopedic Surgery, Jen-Ai Hospital, Dali Branch, Taichung 402, Taiwan
| | - Gary Ro-Lin Chang
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (M.-Y.T.); (G.R.-L.C.); (G.-D.L.); (C.-F.C.); (J.-C.L.)
| | - Guan-Da Lai
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (M.-Y.T.); (G.R.-L.C.); (G.-D.L.); (C.-F.C.); (J.-C.L.)
| | - Ku-Yi Chang
- Department of Family Medicine, Jen-Ai Hospital, Dali Branch, Taichung 402, Taiwan; (K.-Y.H.); (K.-Y.C.)
- Department of Orthopedic Surgery, Jen-Ai Hospital, Dali Branch, Taichung 402, Taiwan
- Department of Orthopedic Surgery, Taichung Armed Forces General Hospital, Taichung 411, Taiwan
| | - Chien-Fu Chen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (M.-Y.T.); (G.R.-L.C.); (G.-D.L.); (C.-F.C.); (J.-C.L.)
- Department of Orthopedic Surgery, Taichung Armed Forces General Hospital, Taichung 411, Taiwan
| | - Jen-Chieh Lai
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (M.-Y.T.); (G.R.-L.C.); (G.-D.L.); (C.-F.C.); (J.-C.L.)
- Department of Orthopedic Surgery, Taichung Armed Forces General Hospital, Taichung 411, Taiwan
| | - Chung-Yu Lai
- Graduate Institute of Aerospace and Undersea Medicine, National Defense Medical Center, Taipei 114, Taiwan;
| | - Hsiao-Ling Chen
- Department of Biomedical Sciences, Da-Yeh University, Changhua 515, Taiwan;
- Department of Bioresources, Da-Yeh University, Changhua 515, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (M.-Y.T.); (G.R.-L.C.); (G.-D.L.); (C.-F.C.); (J.-C.L.)
- The iEGG and Animal Biotechnology Center, National Chung Hsing University, Taichung 402, Taiwan
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
- Correspondence: ; Tel.: +886-4-2285-6309
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Chen YH, Chen HL, Fan HC, Tung YT, Kuo CW, Tu MY, Chen CM. Anti-Inflammatory, Antioxidant, and Antifibrotic Effects of Kefir Peptides on Salt-Induced Renal Vascular Damage and Dysfunction in Aged Stroke-Prone Spontaneously Hypertensive Rats. Antioxidants (Basel) 2020; 9:antiox9090790. [PMID: 32858955 PMCID: PMC7555286 DOI: 10.3390/antiox9090790] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/19/2020] [Accepted: 08/21/2020] [Indexed: 02/07/2023] Open
Abstract
The increased prevalence of renal dysfunction and chronic kidney disease (CKD) and the high costs and poor outcomes of treatment are a significant health issue. The consequence of chronic high blood pressure is the increased prevalence of target organ end-stage renal disease, which has been proven to be a strong independent risk factor for adverse cardiovascular disease. A previous study showed that kefir products have anti-inflammatory and anti-hypertensive activities and immunological modulation functions. However, no data regarding the beneficial effects of kefir peptides (KPs) on salt-induced renal damage or related kidney diseases are available. In this study, KPs were orally administered to aged salt-induced stroke-prone spontaneously hypertensive (SHRSP) rats, and the effects of KPs against inflammation and oxidative stress and their ability to protect against renal dysfunction were evaluated. Fifty-five-week-old SHRSP rats under induction with 1% NaCl in drinking water for 4 weeks showed multiple renal injuries with increased renal inflammation, fibrosis, oxidative stress, tubular atrophy, and glomerulosclerosis. In contrast, oral gavage with KPs reduced the urine protein to creatinine (UPC) ratio, the fractional excretion of electrolytes (FeNa and FeCl), extracellular matrix deposition, and the interstitial fibrotic α-smooth muscle actin (α-SMA) levels in salt-induced SHRSP rats. The renal infiltration of inflammatory cells; the release of monocyte chemoattractant protein-1 (MCP-1), vascular cell adhesion molecule-1 (VCAM-1), endothelin-1 (ET-1), and the cytokine nucleotide-binding oligomerization domain (NOD)-like receptor family pyrin domain containing 3 (NLRP3) and transforming growth factor-β (TGF-β); the reactive oxygen species (ROS) levels; and histopathological lesions were also decreased in salt-induced SHRSP rats. Furthermore, KP treatment significantly increased the renal superoxide dismutase (SOD) activity and the glomerular filtration rate (GFR), which exerted potent protection against salt-induced chronic kidney disease in SHRSP rats. The results of this study suggest that KPs ameliorate salt-induced renal damage, tubular atrophy, and glomerular dysfunction through anti-inflammatory, antioxidative stress, and antifibrotic activities, and might be a promising protective agent against high salt-induced renovascular-related diseases.
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Affiliation(s)
- Yu-Hsuan Chen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (Y.-H.C.); (H.-C.F.); (Y.-T.T.); (C.-W.K.); (M.-Y.T.)
- Ph.D. Program in Tissue Engineering and Regenerative Medicine, National Chung Hsing University, Taichung 402, Taiwan
- Ph.D. Program in Tissue Engineering and Regenerative Medicine, National Health Research Institutes, Taichung 402, Taiwan
| | - Hsiao-Ling Chen
- Department of Biomedical Sciences, Da-Yeh University, Changhwa 515, Taiwan;
| | - Hueng-Chuen Fan
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (Y.-H.C.); (H.-C.F.); (Y.-T.T.); (C.-W.K.); (M.-Y.T.)
- Department of Pediatrics, Tungs’ Taichung Metroharbor Hospital, Wuchi, Taichung 435, Taiwan
- Department of Medical Research, Tungs’ Taichung Metroharbor Hospital, Wuchi, Taichung 435, Taiwan
- Department of Rehabilitation, Jen-Teh Junior College of Medicine, Miaoli 356, Taiwan
| | - Yu-Tang Tung
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (Y.-H.C.); (H.-C.F.); (Y.-T.T.); (C.-W.K.); (M.-Y.T.)
- Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei 110, Taiwan
| | - Chia-Wen Kuo
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (Y.-H.C.); (H.-C.F.); (Y.-T.T.); (C.-W.K.); (M.-Y.T.)
- Department of Internal Medicine, Taichung Armed Forces General Hospital, Taichung 411, Taiwan
- Department of Orthopaedic Surgery, Taichung Armed Forces General Hospital, Taichung 411, Taiwan
| | - Min-Yu Tu
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (Y.-H.C.); (H.-C.F.); (Y.-T.T.); (C.-W.K.); (M.-Y.T.)
- Aviation Physiology Research Laboratory, Kaohsiung Armed Forces General Hospital Gangshan Branch, Kaohsiung 820, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; (Y.-H.C.); (H.-C.F.); (Y.-T.T.); (C.-W.K.); (M.-Y.T.)
- The iEGG and Animal Biotechnology Center, and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
- Correspondence: ; Tel.: +886-4-2285-6309
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A Novel Peptide, CK2.3, Improved Bone Formation in Ovariectomized Sprague Dawley Rats. Int J Mol Sci 2020; 21:ijms21144874. [PMID: 32664215 PMCID: PMC7402306 DOI: 10.3390/ijms21144874] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 12/29/2022] Open
Abstract
Osteoporosis is a bone disease that has no definite cure. Current treatments for osteoporosis are divided into two categories: anti-resorptive and anabolic. However, these treatments are not perfect and have considerable risks. In addition, bone quality often declines over time with these treatments. We designed a peptide, CK2.3, that has both anabolic and anti-resorptive effects on bone. We reported that CK2.3 induced osteoblastic mineralization, promoted bone formation, and suppressed osteoclastogenesis in vivo. The effect of CK2.3 to rescue an osteoporosis phenotype model has never been shown. In this study, we demonstrated the effect of CK2.3 in ovariectomized rats, a standard model of osteoporosis. We systemically injected CK2.3 at 2.3 µg/kg each day for five consecutive days. Micro-computed tomography indicated that CK2.3 increased bone mineral density, (bone volume/tissue volume) BV/TV and (trabecular number) TbN, and decreased (trabecular space) TbSp in the femoral head. Similarly, single photon absorptiometry showed that treatment with CK2.3 increased bone mineral density in the lumbar spine and the pelvis. Additionally, we observed increased femoral shaft stiffness with ovariectomized rats treated with CK2.3. We also detected no significant changes in the weight of organs such as the heart, lung, liver, kidney, and spleen. An advantage of CK2.3 over current treatments was that it not only promoted bone formation but also improved fracture resistance. In conclusion, we demonstrated CK2.3 as a new anabolic treatment for osteoporosis.
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A novel kefir product (PFT) inhibits Ehrlich ascites carcinoma in mice via induction of apoptosis and immunomodulation. BMC Complement Med Ther 2020; 20:127. [PMID: 32345289 PMCID: PMC7189677 DOI: 10.1186/s12906-020-02901-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Accepted: 03/23/2020] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The popularity of fermented foods such as kefir, kuniss, and tofu has been greatly increasing over the past several decades, and the ability of probiotic bacteria to exert anticancer effects has recently become the focus of research. While we have recently demonstrated the ability of the novel kefir product PFT (Probiotics Fermentation Technology) to exert anticancer effects in vitro, here we demonstrate its ability to inhibit Ehrlich ascites carcinoma (EAC) in mice. METHODS Mice were inoculated intramuscularly with EAC cells to develop solid tumors. PFT was administered orally (2 g/kg/day) to mice 6 days/week, either 2 days before tumor cell inoculation or 9 days after inoculation to mice bearing solid tumors. Tumor growth, blood lymphocyte levels, cell cycle progression, apoptosis, apoptotic regulator expression, TNF-α expression, changes in mitochondrial membrane potential (MMP), PCNA, and CD4+ and CD8+ T cells in tumor cells were quantitatively evaluated by flow cytometry or RT-PCR. Further studies in vitro were carried out where EAC cells along with several other human cancer cell lines were cultured in the presence of PFT (0-5 mg/mL). Percent cell viability and IC50 was estimated by MTT assay. RESULTS Our data shows that PFT exerts the following: 1) inhibition of tumor incidence and tumor growth; 2) inhibition of cellular proliferation via a marked decrease in the expression of tumor marker PCNA; 3) arrest of the tumor cell cycle in the sub-G0/G1 phase, signifying apoptosis; 4) induction of apoptosis in cancer cells via a mitochondrial-dependent pathway as indicated by the up-regulation of p53 expression, increased Bax/Bcl-2 ratio, decrease in the polarization of MMP, and caspase-3 activation; and 5) immunomodulation with an increase in the number of infiltrating CD4+ and CD8+ T cells and an enhancement of TNF-α expression within the tumor. CONCLUSIONS PFT reduces tumor incidence and tumor growth in mice with EAC by inducing apoptosis in EAC cells via the mitochondrial-dependent pathway, suppressing cancer cell proliferation, and stimulating the immune system. PFT may be a useful agent for cancer prevention.
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Chen HL, Hung KF, Yen CC, Laio CH, Wang JL, Lan YW, Chong KY, Fan HC, Chen CM. Kefir peptides alleviate particulate matter <4 μm (PM 4.0)-induced pulmonary inflammation by inhibiting the NF-κB pathway using luciferase transgenic mice. Sci Rep 2019; 9:11529. [PMID: 31395940 PMCID: PMC6687726 DOI: 10.1038/s41598-019-47872-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 06/26/2019] [Indexed: 12/29/2022] Open
Abstract
Kefir peptides, generated by kefir grain fermentation of milk proteins, showed positive antioxidant effects, lowered blood pressure and modulated the immune response. In this study, kefir peptide was evaluated regarding their anti-inflammatory effects on particulate matter <4 μm (PM4.0)-induced lung inflammation in NF-κB-luciferase+/+ transgenic mice. The lungs of mice under 20 mg/kg or 10 mg/kg PM4.0 treatments, both increased significantly the generation of reactive oxygen species (ROS) and inflammatory cytokines; increased the protein expression levels of p-NF-κB, NLRP3, caspase-1, IL-1β, TNF-α, IL-6, IL-4 and α-SMA. Thus, we choose the 10 mg/kg of PM4.0 for animal trials; the mice were assigned to four treatment groups, including control group (saline treatment), PM4.0 + Mock group (only PM4.0 administration), PM4.0 + KL group (PM4.0 + 150 mg/kg low-dose kefir peptide) and PM4.0 + KH group (PM4.0 + 500 mg/kg high-dose kefir peptide). Data showed that treatment with both doses of kefir peptides decreased the PM4.0-induced inflammatory cell infiltration and the expression of the inflammatory mediators IL-lβ, IL-4 and TNF-α in lung tissue by inactivating NF-κB signaling. The oral administrations of kefir peptides decrease the PM4.0-induced lung inflammation process through the inhibition of NF-κB pathway in transgenic luciferase mice, proposing a new clinical application to particulate matter air pollution-induced pulmonary inflammation.
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Affiliation(s)
- Hsiao-Ling Chen
- Department of Bioresources, Da-Yeh University, Changhua, 515, Taiwan
| | - Kuan-Fei Hung
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan
| | - Chih-Ching Yen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.,Department of Internal Medicine, China Medical University Hospital, Taichung, 404, Taiwan
| | - Chun-Huei Laio
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan
| | - Jiun-Long Wang
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.,Division of Chest Medicine, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, 407, Taiwan
| | - Ying-Wei Lan
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.,Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Tao-Yuan, 333, Taiwan
| | - Kowit-Yu Chong
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Tao-Yuan, 333, Taiwan.,Department of Thoracic Medicine, Chang Gung Memorial Hospital at Linkou, Tao-Yuan, 333, Taiwan
| | - Hueng-Chuen Fan
- Department of Pediatrics, and Department of Medical Research, Tung's Taichung Metro-harbor Hospital, Wuchi, Taichung, 435, Taiwan. .,Department of Rehabilitation, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli, 356, Taiwan.
| | - Chuan-Mu Chen
- Department of Life Sciences, and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan. .,The iEGG and Animal Biotechnology Center, and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.
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El-Bashiti TA, M. Zabut B, Abu Safia FF. Effect of Probiotic Fermented Milk (Kefir) on Some Blood Biochemical Parameters Among Newly Diagnosed Type 2 Diabetic Adult Males in Gaza Governorate. CURRENT RESEARCH IN NUTRITION AND FOOD SCIENCE JOURNAL 2019. [DOI: 10.12944/crnfsj.7.2.25] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Kefir is natural probiotic milk. It is a complex mixture of bacteria, yeasts, many vitamins, minerals, amino acids, and enzymes. Previous studies reported that Kefir has a hypoglycemic effect, and it may have an antitumor effect, intestinal immunity, antimicrobial effect and regulate cholesterol. The aim of this study was to evaluate the effect of kefir intake on some blood biochemical parameter among newly diagnosed type 2 diabetic adult male patients in Gaza Government. It was a case-control study experiment and was carried out on the 42 newly diagnosed diabetic male patients aged from 37-65 years. They were divided into two groups (control and case). The control group received Metformin only. The case group are patients who intake a cup of Kefir daily with a Metformin. Blood collection sample for biochemical analysis was carried out at the beginning of the study and after 10 weeks. The results of the study showed that there were no statistically significant differences in fasting blood sugar (FBS) at the beginning of the study between the two groups (P=0.22). After an intervention with Kefir milk, fasting blood glucose was significantly decreased among patients taking Kefir milk (P< 0.05). After the intervention, glycohemoglobin (HbA1c) was reduced significantly (P=0.001). Also, there was an increase in calcium concentration correlated with a decrease in phosphorus and no significant differences in Kidney functions except uric acid. There was an improvement in cholesterol and triglyceride (TG) only in lipid profile. On conclusion, kefir has potential effect in the reduction of FBS, HbA1c and phosphorous with increase in calcium among diabetic adult males.
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Affiliation(s)
- Tarek A. El-Bashiti
- Biology & Biotechnology Dept., Faculty of science, Islamic university-Gaza, Palestine
| | - Baker M. Zabut
- Chemistry Dept., Faculty of science, Islamic university-Gaza, Palestine
| | - Fedaa F. Abu Safia
- Biology & Biotechnology Dept., Faculty of science, Islamic university-Gaza, Palestine
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Oliveira APD, Santos GAD, Nomura CS, Naozuka J. Elemental chemical composition of products derived from kefir fermented milk. J Food Compost Anal 2019. [DOI: 10.1016/j.jfca.2019.02.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Verruck S, Balthazar CF, Rocha RS, Silva R, Esmerino EA, Pimentel TC, Freitas MQ, Silva MC, da Cruz AG, Prudencio ES. Dairy foods and positive impact on the consumer's health. ADVANCES IN FOOD AND NUTRITION RESEARCH 2019; 89:95-164. [PMID: 31351531 DOI: 10.1016/bs.afnr.2019.03.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The objective of the present chapter was to demonstrate the state of the art in the recent advances in nutritional and functional components of dairy products research. In this chapter, the main mechanisms responsible and essential for a better understanding of nutritional and functional values of the components of milk and dairy products are highlighted. It also includes a discussion about the positive impacts of fermented milk, cheese, butter, ice cream, and dairy desserts components on the consumer's health.
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Affiliation(s)
- Silvani Verruck
- Universidade Federal de Santa Catarina (UFSC), Departamento de Ciência e Tecnologia de Alimentos, Florianópolis, Brazil
| | | | - Ramon Silva Rocha
- Universidade Federal Fluminense (UFF), Faculdade de Veterinária, Niterói, Brazil; Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, Rio de Janeiro, Brazil
| | - Ramon Silva
- Universidade Federal Fluminense (UFF), Faculdade de Veterinária, Niterói, Brazil; Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, Rio de Janeiro, Brazil
| | | | | | | | - Marcia Cristina Silva
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, Rio de Janeiro, Brazil
| | - Adriano Gomes da Cruz
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, Rio de Janeiro, Brazil.
| | - Elane Schwinden Prudencio
- Universidade Federal de Santa Catarina (UFSC), Departamento de Ciência e Tecnologia de Alimentos, Florianópolis, Brazil
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Lai CW, Chen HL, Tu MY, Lin WY, Röhrig T, Yang SH, Lan YW, Chong KY, Chen CM. A novel osteoporosis model with ascorbic acid deficiency in Akr1A1 gene knockout mice. Oncotarget 2018; 8:7357-7369. [PMID: 28060768 PMCID: PMC5352327 DOI: 10.18632/oncotarget.14458] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Accepted: 12/07/2016] [Indexed: 12/26/2022] Open
Abstract
The AKR1A1 protein is a member of the aldo-keto reductase superfamily that is responsible for the conversion of D-glucuronate to L-gulonate in the ascorbic acid (vitamin C) synthesis pathway. In a pCAG-eGFP transgenic mouse line that was produced by pronuclear microinjection, the integration of the transgene resulted in a 30-kb genomic DNA deletion, including the Akr1A1 gene, and thus caused the knockout (KO) of the Akr1A1 gene and targeting of the eGFP gene. The Akr1A1 KO mice (Akr1A1eGFP/eGFP) exhibited insufficient serum ascorbic acid levels, abnormal bone development and osteoporosis. Using micro-CT analysis, the results showed that the microarchitecture of the 12-week-old Akr1A1eGFP/eGFP mouse femur was shorter in length and exhibited less cortical bone thickness, enlargement of the bone marrow cavity and a complete loss of the trabecular bone in the distal femur. The femoral head and neck of the proximal femur also showed a severe loss of bone mass. Based on the decreased levels of serum osteocalcin and osteoblast activity in the Akr1A1eGFP/eGFP mice, the osteoporosis might be caused by impaired bone formation. In addition, administration of ascorbic acid to the Akr1A1eGFP/eGFP mice significantly prevented the condition of osteoporotic femurs and increased bone formation. Therefore, through ascorbic acid administration, the Akr1A1 KO mice exhibited controllable osteoporosis and may serve as a novel model for osteoporotic research.
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Affiliation(s)
- Cheng-Wei Lai
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan.,Agricultural Biotechnology Center, National Chung Hsing University, Taichung, Taiwan
| | - Hsiao-Ling Chen
- Department of Bioresources, Da-Yeh University, Changhua, Taiwan
| | - Min-Yu Tu
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan.,Department of Orthopaedic Surgery, Taichung Armed Forces General Hospital, Taichung, Taiwan and National Defense Medical Center, Taipei, Taiwan.,Department of Biomedical Engineering, Hungkuang University, Taichung, Taiwan
| | - Wei-Yu Lin
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan.,Agricultural Biotechnology Center, National Chung Hsing University, Taichung, Taiwan
| | - Theresa Röhrig
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan.,Agricultural Biotechnology Center, National Chung Hsing University, Taichung, Taiwan
| | - Shang-Hsun Yang
- Department of Physiology and Institute of Basic Medical Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Ying-Wei Lan
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan.,Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Kowit-Yu Chong
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.,Department of Thoracic Medicine, Chang Gung Memorial Hospital at Linkou, Tao-Yuan, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan.,Agricultural Biotechnology Center, National Chung Hsing University, Taichung, Taiwan.,Rong-Hsing Translational Medicine Center, and iEGG Center, National Chung Hsing University, Taichung, Taiwan
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Tung YT, Chen HL, Wu HS, Ho MH, Chong KY, Chen CM. Kefir Peptides Prevent Hyperlipidemia and Obesity in High-Fat-Diet-Induced Obese Rats via Lipid Metabolism Modulation. Mol Nutr Food Res 2018; 62. [DOI: 10.1002/mnfr.201700505] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 10/28/2017] [Indexed: 01/22/2023]
Affiliation(s)
- Yu-Tang Tung
- Department of Life Sciences; Agricultural Biotechnology Center; National Chung Hsing University; Taichung 402 Taiwan
- Graduate Institute of Metabolism and Obesity Sciences; Taipei Medical University; Taipei 11031 Taiwan
| | - Hsiao-Ling Chen
- Department of Bioresources; Da-Yeh University; Changhwa 515 Taiwan
| | - Hsin-Shan Wu
- Department of Life Sciences; Agricultural Biotechnology Center; National Chung Hsing University; Taichung 402 Taiwan
| | - Mei-Hsuan Ho
- Department of Life Sciences; Agricultural Biotechnology Center; National Chung Hsing University; Taichung 402 Taiwan
| | - Kowit-Yu Chong
- Department of Medical Biotechnology and Laboratory Science; Chang Gung University; Tao-Yuan 333 Taiwan
- Molecular Medicine Research Center; College of Medicine; Chang Gung University; Tao-Yuan 333 Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences; Agricultural Biotechnology Center; National Chung Hsing University; Taichung 402 Taiwan
- Rong Hsing Research Center for Translational Medicine and the iEGG Center; National Chung Hsing University; Taichung 402 Taiwan
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Wu G, Xu R, Zhang P, Xiao T, Fu Y, Zhang Y, Du Y, Ye J, Cheng J, Jiang H. Estrogen regulates stemness and senescence of bone marrow stromal cells to prevent osteoporosis via ERβ-SATB2 pathway. J Cell Physiol 2017; 233:4194-4204. [PMID: 29030963 DOI: 10.1002/jcp.26233] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Accepted: 09/29/2017] [Indexed: 12/22/2022]
Abstract
Decline of pluripotency in bone marrow stromal cells (BMSCs) associated with estrogen deficiency leads to a bone formation defect in osteoporosis. Special AT-rich sequence binding protein 2 (SATB2) is crucial for maintaining stemness and osteogenic differentiation of BMSCs. However, whether SATB2 is involved in estrogen-deficiency associated-osteoporosis is largely unknown. In this study, we found that estrogen mediated pluripotency and senescence of BMSCs, primarily through estrogen receptor beta (ERβ). BMSCs from the OVX rats displayed increased senescence and weaker SATB2 expression, stemness, and osteogenic differentiation, while estrogen could rescue these phenotypes. Inhibition of ERβ or ERα confirmed that SATB2 was associated with ERβ in estrogen-mediated pluripotency and senescence of BMSCs. Furthermore, estrogen mediated the upregulation of SATB2 through the induction of ERβ binding to estrogen response elements (ERE) located at -488 of the SATB2 gene. SATB2 overexpression alleviated senescence and enhanced stemness and osteogenic differentiation of OVX-BMSCs. SATB2-modified BMSCs transplantation could prevent trabecular bone loss in an ovariectomized rat model. Collectively, our study revealed the role of SATB2 in stemness, senescence, and osteogenesis of OVX-BMSCs. These results indicate that estrogen prevents osteoporosis by promoting stemness and osteogenesis, and inhibiting senescence of BMSCs through an ERβ-SATB2 pathway. Therefore, SATB2 is a novel anti-osteoporosis target gene.
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Affiliation(s)
- Geng Wu
- Department of Stomatology, The First People's Hospital of Lianyungang City, Lianyungang, China
| | - Rongyao Xu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Ping Zhang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Tao Xiao
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yu Fu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yuchao Zhang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yifei Du
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jinhai Ye
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jie Cheng
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hongbing Jiang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
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Vardjan T, Mohar Lorbeg P, Čanžek Majhenič A. Stability of prevailing lactobacilli and yeasts in kefir grains and kefir beverages during ten weeks of propagation. INT J DAIRY TECHNOL 2017. [DOI: 10.1111/1471-0307.12463] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Petra Mohar Lorbeg
- Department of Animal Science; Institute of Dairy Science and Probiotics; Biotechnical Faculty; University of Ljubljana; Groblje 3 1230 Domžale Slovenia
| | - Andreja Čanžek Majhenič
- Department of Animal Science; Institute of Dairy Science and Probiotics; Biotechnical Faculty; University of Ljubljana; Groblje 3 1230 Domžale Slovenia
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Abstract
Kefir is fermented milk produced from grains that comprise a specific and complex mixture of bacteria and yeasts that live in a symbiotic association. The nutritional composition of kefir varies according to the milk composition, the microbiological composition of the grains used, the time/temperature of fermentation and storage conditions. Kefir originates from the Caucasus and Tibet. Recently, kefir has raised interest in the scientific community due to its numerous beneficial effects on health. Currently, several scientific studies have supported the health benefits of kefir, as reported historically as a probiotic drink with great potential in health promotion, as well as being a safe and inexpensive food, easily produced at home. Regular consumption of kefir has been associated with improved digestion and tolerance to lactose, antibacterial effect, hypocholesterolaemic effect, control of plasma glucose, anti-hypertensive effect, anti-inflammatory effect, antioxidant activity, anti-carcinogenic activity, anti-allergenic activity and healing effects. A large proportion of the studies that support these findings were conducted in vitro or in animal models. However, there is a need for systematic clinical trials to better understand the effects of regular use of kefir as part of a diet, and for their effect on preventing diseases. Thus, the present review focuses on the nutritional and microbiological composition of kefir and presents relevant findings associated with the beneficial effects of kefir on human and animal health.
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Traditional low-alcoholic and non-alcoholic fermented beverages consumed in European countries: a neglected food group. Nutr Res Rev 2017; 30:1-24. [PMID: 28115036 DOI: 10.1017/s0954422416000202] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Fermented beverages hold a long tradition and contribution to the nutrition of many societies and cultures worldwide. Traditional fermentation has been empirically developed in ancient times as a process of raw food preservation and at the same time production of new foods with different sensorial characteristics, such as texture, flavour and aroma, as well as nutritional value. Low-alcoholic fermented beverages (LAFB) and non-alcoholic fermented beverages (NAFB) represent a subgroup of fermented beverages that have received rather little attention by consumers and scientists alike, especially with regard to their types and traditional uses in European societies. A literature review was undertaken and research articles, review papers and textbooks were searched in order to retrieve data regarding the dietary role, nutrient composition, health benefits and other relevant aspects of diverse ethnic LAFB and NAFB consumed by European populations. A variety of traditional LAFB and NAFB consumed in European regions, such as kefir, kvass, kombucha and hardaliye, are presented. Milk-based LAFB and NAFB are also available on the market, often characterised as 'functional' foods on the basis of their probiotic culture content. Future research should focus on elucidating the dietary role and nutritional value of traditional and 'functional' LAFB and NAFB, their potential health benefits and consumption trends in European countries. Such data will allow for LAFB and NAFB to be included in national food composition tables.
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Raman spectroscopic investigation on the molecular structure of apatite and collagen in osteoporotic cortical bone. J Mech Behav Biomed Mater 2016; 65:264-273. [PMID: 27608424 DOI: 10.1016/j.jmbbm.2016.08.030] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 07/22/2016] [Accepted: 08/19/2016] [Indexed: 01/22/2023]
Abstract
This study employed highly spectrally resolved Raman spectroscopy to examine the molecular composition of cortical bone tissue obtained from murine females in their healthy and ovariectomy- (OVX-) induced osteoporotic states. The aim of the study was to identify structural differences at the molecular scale both in apatite mineral and collagen fibrils between the two groups of samples. Raman spectroscopy was used to determine the chemical composition of cortical bone in regions including characteristic bands of both bone mineral and bone matrix. The results demonstrated that the mineral apatite of bone did not undergo significant amorphization in its diseased state, with the Raman microprobe also failing in recognizing a direct role of carbonate content in the embrittlement of OVX-diseased bone. On the other hand, complex off-stoichiometry variations could be detected in the columnar Ca-structure of the bony hydroxyapatite according to morphological variations of the Raman band belonging to the symmetric phosphate stretching (A1) band at ~959cm-1. A fundamental role was also recognized for collagen quality on the process of bone embrittlement. The so-called matrix maturity ratio, as systematically measured on Raman spectra in the Amide I region, increased with statistical significance in OVX-treated samples as compared to control samples. An 8% increase could be associated to a 115% increase in elastic stress intensification in the mineral phase of OVX-diseased tissue as compared to the control one, thus proving a degradation in the (elastic) energy-dissipative capacity of a diseased bone matrix.
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Huang C, Ling R, Li FJ, Li EC, Huang QK, Liu BG, Ding Y, You SW. FTY720 enhances osteogenic differentiation of bone marrow mesenchymal stem cells in ovariectomized rats. Mol Med Rep 2016; 14:927-35. [PMID: 27220612 DOI: 10.3892/mmr.2016.5342] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 05/10/2016] [Indexed: 11/06/2022] Open
Abstract
Sphingosine-1-phosphate and its structural analog FTY720 (fingolimod) are important in the inhibition of osteoclast differentiation and bone resorption, however, it remains unknown whether they enhance osteogenic differentiation of the bone marrow mesenchymal stem cells (BM‑MSCs). The present study investigated the effect of FTY720 on the osteogenic differentiation of BM‑MSCs from the femurs of the ovariectomized (OVX) rats. Three different concentrations (1, 10 and 100 nM) of FTY720 were demonstrated to markedly upregulate mRNA expression levels of Runt‑related transcription factor 2 (Runx2) and Sp7 transcription factor (Sp7) at 2 weeks, and alkaline phosphatase (ALP) at 3 weeks. The osteocalcin (OCN) expression was similar at weeks 2 and 3. The protein expression levels of Runx2, Sp7, OCN and ALP induced by three different concentrations of FTY720 were higher than those in the control groups at 3 weeks in the OVX and sham groups. The findings of the current study suggested a beneficial effect of FTY720 on bone formation in OVX rats, and provided a potential therapeutic method of FTY720 to prevent alveolar bone resorption in patients with post‑menopausal osteoporosis.
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Affiliation(s)
- Chuang Huang
- Department of Orthodontics, State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Rui Ling
- Department of General Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Fei-Jiang Li
- Department of Biomedical Engineering, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Er-Cui Li
- Department of Gastroenterology and Endocrinology, Shaanxi Provincial Armed Police Corps Hospital, Xi'an, Shaanxi 710032, P.R. China
| | - Qi-Ke Huang
- Department of General Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Bao-Gang Liu
- Out‑Patient Department, General Hospital of The Second Artillery, Beijing 100820, P.R. China
| | - Yin Ding
- Department of Orthodontics, State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Si-Wei You
- Department of Ophthalmology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
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Sexually Dimorphic Expression of eGFP Transgene in the Akr1A1 Locus of Mouse Liver Regulated by Sex Hormone-Related Epigenetic Remodeling. Sci Rep 2016; 6:24023. [PMID: 27087367 PMCID: PMC4834580 DOI: 10.1038/srep24023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 03/14/2016] [Indexed: 12/19/2022] Open
Abstract
Sexually dimorphic gene expression is commonly found in the liver, and many of these genes are linked to different incidences of liver diseases between sexes. However, the mechanism of sexually dimorphic expression is still not fully understood. In this study, a pCAG-eGFP transgenic mouse strain with a specific transgene integration site in the Akr1A1 locus presented male-biased EGFP expression in the liver, and the expression was activated by testosterone during puberty. The integration of the pCAG-eGFP transgene altered the epigenetic regulation of the adjacent chromatin, including increased binding of STAT5b, a sexually dimorphic expression regulator, and the transformation of DNA methylation from hypermethylation into male-biased hypomethylation. Through this de novo sexually dimorphic expression of the transgene, the Akr1A1eGFP mouse provides a useful model to study the mechanisms and the dynamic changes of sexually dimorphic gene expression during either development or pathogenesis of the liver.
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Fina BL, Brun LR, Rigalli A. Increase of calcium and reduction of lactose concentration in milk by treatment with kefir grains and eggshell. Int J Food Sci Nutr 2016; 67:133-40. [DOI: 10.3109/09637486.2015.1137888] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Brenda L. Fina
- Bone Biology Laboratory, School of Medicine, Rosario National University, Rosario, Argentina
- National Council of Scientific and Technical Research (CONICET), Buenos Aires, Argentina
| | - Lucas R. Brun
- Bone Biology Laboratory, School of Medicine, Rosario National University, Rosario, Argentina
- National Council of Scientific and Technical Research (CONICET), Buenos Aires, Argentina
| | - Alfredo Rigalli
- Bone Biology Laboratory, School of Medicine, Rosario National University, Rosario, Argentina
- National Council of Scientific and Technical Research (CONICET), Buenos Aires, Argentina
- Rosario National University Research Council, Rosario, Argentina
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Tu MY, Chen HL, Tung YT, Kao CC, Hu FC, Chen CM. Short-Term Effects of Kefir-Fermented Milk Consumption on Bone Mineral Density and Bone Metabolism in a Randomized Clinical Trial of Osteoporotic Patients. PLoS One 2015; 10:e0144231. [PMID: 26655888 PMCID: PMC4675497 DOI: 10.1371/journal.pone.0144231] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Accepted: 11/16/2015] [Indexed: 01/06/2023] Open
Abstract
UNLABELLED Milk products are good sources of calcium that may reduce bone resorption and help prevent bone loss as well as promote bone remodeling and increase bone formation. Kefir is a product made by kefir grains that degrade milk proteins into various peptides with health-promoting effects, including antithrombotic, antimicrobial and calcium-absorption enhancing bioactivities. In a controlled, parallel, double-blind intervention study over 6 months, we investigated the effects of kefir-fermented milk (1,600 mg) supplemented with calcium bicarbonate (CaCO3, 1,500 mg) and bone metabolism in 40 osteoporosis patients, and compared them with CaCO3 alone without kefir supplements. Bone turnover markers were measured in fasting blood samples collected before therapy and at 1, 3, and 6 months. Bone mineral density (BMD) values at the spine, total hip, and hip femoral neck were assessed by dual-energy x-ray absorptiometry (DXA) at baseline and at 6 months. Among patients treated with kefir-fermented milk, the relationships between baseline turnover and 6 months changes in DXA-determined BMD were significantly improved. The serum β C-terminal telopeptide of type I collagen (β-CTX) in those with T-scores > -1 patients significantly decreased after three months treatment. The formation marker serum osteocalcin (OC) turned from negative to positive after 6 months, representing the effect of kefir treatment. Serum parathyroid hormone (PTH) increased significantly after treatment with kefir, but decreased significantly in the control group. PTH may promote bone remodeling after treatment with kefir for 6 months. In this pilot study, we concluded that kefir-fermented milk therapy was associated with short-term changes in turnover and greater 6-month increases in hip BMD among osteoporotic patients. TRIAL REGISTRATION ClinicalTrials.gov NCT02361372.
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Affiliation(s)
- Min-Yu Tu
- Department of Life Sciences, and Agricultural Biotechnology Center, National Chung Hsing University, Taichung 402, Taiwan
- Department of Orthopaedic Surgery, Taichung Armed Forces General Hospital, Taichung 411, Taiwan
- Department of Biomedical Engineering, Hungkuang University, Taichung 433, Taiwan
- School of Medicine, National Defense Medical Center, Taipei 114, Taiwan
| | - Hsiao-Ling Chen
- Department of Bioresources, Da-Yeh University, Changhua 515, Taiwan
| | - Yu-Tang Tung
- Department of Life Sciences, and Agricultural Biotechnology Center, National Chung Hsing University, Taichung 402, Taiwan
| | - Chao-Chih Kao
- Department of Life Sciences, and Agricultural Biotechnology Center, National Chung Hsing University, Taichung 402, Taiwan
| | - Fu-Chang Hu
- Division of Biostatistics, Graduate Institute of Clinical Medicine and School of Nursing College of Medicine, National Taiwan University, Taipei 100, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, and Agricultural Biotechnology Center, National Chung Hsing University, Taichung 402, Taiwan
- Rong Hsing Research Center for Translational Medicine, and the iEGG Center, National Chung Hsing University, Taichung 402, Taiwan
- * E-mail:
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