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Leem KH, Kim S, Lim J, Park HJ, Shin YC, Lee JS. Hydrolyzed Collagen Tripeptide Promotes Longitudinal Bone Growth in Childhood Rats via Increases in Insulin-Like Growth Factor-1 and Bone Morphogenetic Proteins. J Med Food 2023; 26:809-819. [PMID: 37862561 DOI: 10.1089/jmf.2023.k.0024] [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] [Indexed: 10/22/2023] Open
Abstract
Previous studies have reported that collagen tripeptide (CTP) derived from collagen hydrolysate has various beneficial effects on health by protecting against skin aging and improving bone formation and cartilage regeneration. Collagen-Tripep20TM (CTP20), which is a low-molecular-weight CTP derived from fish skin, contains a bioactive CTP, Gly-Pro-Hyp >3.2% with a tripeptide content >20%. Herein, we investigated the osteogenic effects and mechanisms of CTP20 (<500 Da) on MG-63 osteoblast-like cells and SW1353 chondrocytes. And we measured promoting ratio of the longitudinal bone growth in childhood rats. First, CTP20 at 100 μg/mL elevated the proliferation (15.0% and 28.2%), alkaline phosphatase activity (29.3% and 32.0%), collagen synthesis (1.25- and 1.14-fold), and calcium deposition (1.18- and 1.15-fold) in MG-63 cells and SW1353, respectively. In addition, we found that CTP20 could promote the longitudinal growth and height of the growth plate of the tibia in childhood rats. CTP20 enhanced the protein expression of insulin-like growth factor-1 (IGF-1) in MG-63 and SW1353 cells, and in the growth plate of childhood rats, along with Janus Kinase 2, and signal transducer and activator of transcription 5 activation in MG-63 and SW1353 cells. CTP20 also elevated the expression levels of bone morphogenetic proteins (BMPs) in MG-63 and SW1353 cells and in the growth plates of childhood rats. These results indicate that CTP20 may promote the endochondral ossification and longitudinal bone growth, through enhancing of IGF-1 and BMPs. (Clinical Trial Registration number: smecae 19-09-01).
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Affiliation(s)
- Kang Hyun Leem
- College of Korean Medicine, Semyung University, Jecheon, Korea
| | - Sanga Kim
- Department of Pharmacology, School of Medicine, Kyung Hee University, Seoul, Korea
| | - Junsik Lim
- College of Korean Medicine, Semyung University, Jecheon, Korea
| | - Hae Jeong Park
- Department of Pharmacology, School of Medicine, Kyung Hee University, Seoul, Korea
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Transcriptome Analysis of Egg Yolk Sialoglycoprotein on Osteogenic Activity in MC3T3-E1 Cells. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11146428] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In this study, the effects of egg yolk sialoglycoprotein (EYG) on osteogenesis in MC3T3-E1 cells were investigated and the DEGs (differentially expressed genes) were explored by transcriptome analysis. The results found that EYG effectively increased cell proliferation, enhanced ALP activity, promoted the secretion of extracellular matrix protein COL-I and OCN, enhanced bone mineralization activity, exhibiting good osteogenic activity. Further study of the mechanism was explored through transcriptome analysis. Transcriptome analysis showed that 123 DEGs were triggered by EYG, of which 78 genes were downregulated and 45 genes were upregulated. GO (gene ontology) analysis showed that EYG mainly caused differences in gene expression of biological processes and cell composition categories in the top 30 most enriched items. KEGG (Kyoto Encyclopedia of Genes and Genomes) analysis showed that EYG inhibited inflammatory factors and downregulated inflammation-related pathways. The results also showed EYG regulated such genes as COL2A1, COL4A1 and COL4A2 to up-regulate pathways including ECM–receptor interaction, focal adhesion and protein digestion and absorption, enhancing the proliferation and differentiation of osteoblasts. Gene expression of COL-I, Runx2, BMP2 and β-catenin was determined by qRT-PCR for verification, which found that EYG significantly increased COL-I, Runx2, BMP2 and β-catenin gene expression, suggesting that BMP-2 mediated osteogenesis pathway was activated.
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Hei Z, Zhao M, Tian Y, Chang H, Shen X, Xia G, Wang J. Isolation and Characterization of a Novel Sialoglycopeptide Promoting Osteogenesis from Gadus morhua Eggs. Molecules 2019; 25:molecules25010156. [PMID: 31906039 PMCID: PMC6983019 DOI: 10.3390/molecules25010156] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/23/2019] [Accepted: 12/27/2019] [Indexed: 12/12/2022] Open
Abstract
Gadus morhua eggs contain several nutrients, including polyunsaturated fatty acids, lecithin and glycoproteins. A novel sialoglycopeptide from the eggs of G. morhua (Gm-SGPP) was extracted with 90% phenol and purified by Q Sepharose Fast Flow (QFF) ion exchange chromatography, followed by S-300 gel filtration chromatography. Gm-SGPP contained 63.7% carbohydrate, 16.2% protein and 18.6% N-acetylneuraminic acid. High-performance size exclusion chromatography and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) demonstrated that Gm-SGPP is a 7000-Da pure sialoglycopeptide. β-elimination reaction suggested that Gm-SGPP contained N-glycan units. Amino acid N-terminal sequence analysis indicated the presence of Ala-Ser-Asn-Gly-Thr-Gln-Ala-Pro amino acid sequence. Moreover, N-glycan was connected at the third Asn location of the peptide chain through GlcNAc. Gm-SGPP was composed of D-mannose, D-glucuronic acid and D-galactose. Fourier transform-infrared spectroscopy (FT-IR), 1H-nuclear magnetic resonance spectroscopy (1H-NMR) and methylation analysis were performed to reveal the structure profile of Gm-SGPP. In vitro results showed that the proliferation activity of MC3T3-E1 cells was significantly promoted by Gm-SGPP. In vivo data revealed that Gm-SGPP increased the calcium and phosphorus content of tibias and promoted longitudinal bone growth in adolescent rats.
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Affiliation(s)
- Zhiliang Hei
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Hainan 570228, China
- College of Food Science and Technology, Hainan University, Hainan 570228, China
| | - Meihui Zhao
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Hainan 570228, China
- College of Food Science and Technology, Hainan University, Hainan 570228, China
| | - Yingying Tian
- Marine Biomedical Research Institute of Qingdao, Qingdao 266003, China
| | - Hong Chang
- Hainan Institute for Food Control, Hainan 570228, China
| | - Xuanri Shen
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Hainan 570228, China
- College of Food Science and Technology, Hainan University, Hainan 570228, China
| | - Guanghua Xia
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Hainan 570228, China
- College of Food Science and Technology, Hainan University, Hainan 570228, China
- Correspondence: (G.X.); (J.W.); Tel.: +86-0898-6619-6803 (G.X.); +86-0532-8203-1948 (J.W.); Fax: +86-0532-8203-2468 (G.X.); +86-0898-6619-6803 (J.W.)
| | - Jingfeng Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
- Correspondence: (G.X.); (J.W.); Tel.: +86-0898-6619-6803 (G.X.); +86-0532-8203-1948 (J.W.); Fax: +86-0532-8203-2468 (G.X.); +86-0898-6619-6803 (J.W.)
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Phosphorylation of phosvitin plays a crucial effects on the protein-induced differentiation and mineralization of osteoblastic MC3T3-E1 cells. Int J Biol Macromol 2018; 118:1848-1854. [DOI: 10.1016/j.ijbiomac.2018.07.029] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/03/2018] [Accepted: 07/09/2018] [Indexed: 12/25/2022]
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Mao L, Wang N, Wang M, Xia G, Yu Z, Wang J, Xue C. Sialoglycoprotein isolated from Carassius auratus
eggs promotes osteoblast differentiation via targeting the p38 mitogen-activated protein kinase-dependent Wnt/β-catenin and BMP2/Smads pathways. J Food Biochem 2017. [DOI: 10.1111/jfbc.12465] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Lei Mao
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Na Wang
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Meiling Wang
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Guanghua Xia
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Zhe Yu
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Jingfeng Wang
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Changhu Xue
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
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Wang F, Wang Y, Zhao Y, Zhan Q, Yu P, Wang J, Xue C. Sialoglycoprotein Isolated from Eggs of Carassius auratus Ameliorates Osteoporosis: An Effect Associated with Regulation of the Wnt/β-Catenin Pathway in Rodents. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:2875-2882. [PMID: 27023001 DOI: 10.1021/acs.jafc.5b06132] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In the current study, ovariectomized (OVX) rats and the senescence-accelerated mouse strain P6 (SAMP6) were employed to establish models of postmenopausal osteoporosis and senile osteoporosis, respectively. The effects of treatment with sialoglycoprotein isolated from the eggs of Carassius auratus (Ca-SGP) on these two types of osteoporosis were investigated in vivo. Results showed that Ca-SGP significantly increased bone mineral density, ameliorated trabecular bone microstructure, and improved bone biomechanical properties in both OVX rats and SAMP6. The osteogenesis related Wnt/β-catenin pathway was targeted to study the underlying mechanism of Ca-SGP activity. In postmenopausal osteoporosis, Ca-SGP suppressed the activation of Wnt/β-catenin signal via down-regulating the expression of key genes including LRP5, β-catenin, and Runx2, suggesting that overactive osteogenesis was controlled by Ca-SGP. The bone formation was sharply weakened in senile osteoporosis, whereas Ca-SGP treatment promoted osteoblast activity by stimulating the Wnt/β-catenin signal. In conclusion, Ca-SGP ameliorated these two types of osteoporosis by normalizing bone anabolism.
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Affiliation(s)
- Fei Wang
- College of Food Science and Engineering, Ocean University of China , Qingdao, Shandong Province 266003, China
| | - Yiming Wang
- College of Food Science and Engineering, Ocean University of China , Qingdao, Shandong Province 266003, China
| | - Yanlei Zhao
- College of Food Science and Engineering, Ocean University of China , Qingdao, Shandong Province 266003, China
| | - Qiping Zhan
- College of Food Science and Engineering, Ocean University of China , Qingdao, Shandong Province 266003, China
| | - Peng Yu
- College of Food Science and Engineering, Ocean University of China , Qingdao, Shandong Province 266003, China
| | - Jingfeng Wang
- College of Food Science and Engineering, Ocean University of China , Qingdao, Shandong Province 266003, China
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China , Qingdao, Shandong Province 266003, China
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Abstract
Purpose
– The aim of the article was to focus on various peptides identified in the egg and their probable application as novel ingredients in the development of functional food products. Bioactive peptides of egg origin have attracted increasing interest as one of the prominent candidates for development of various health-promoting functional and designer foods.
Design/methodology/approach
– Traditionally known as a source of highly valuable proteins in human nutrition, eggs are nowadays also considered as an important source of many bioactive peptides which may find wide application in medicine and food production. These specific protein fragments from egg proteins which, above and beyond their nutritional capabilities, have a positive impact on the body’s function or condition by affecting the digestive, endocrine, cardiovascular, immune and nervous systems, and may ultimately influence health.
Findings
– Several peptides that are released in vitro or in vivo from egg proteins have been attributed to different health effects, including antihypertensive effects, antimicrobial properties, antioxidant activities, anticancer activity, immunomodulating activity, antiadhesive properties and enhancement of nutrient absorption and/or bioavailability. Extensive research has been undertaken to identify and characterize these biologically active peptides of egg origin which has changed the image of egg as a new source of biologically active ingredients for the development of functional foods with specific benefits for human health and treatment and prevention of diseases.
Originality/value
– The paper mainly describes the above-stated properties of bioactive peptides derived from egg proteins.
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Kobayashi T, Koie H, Watanabe A, Ino A, Watabe K, Kim M, Kanayama K, Otsuji K. Effects of food enriched with egg yolk hydrolysate (bone peptide) on bone metabolism in orchidectomized dogs. J Vet Med Sci 2015; 77:503-6. [PMID: 25649521 PMCID: PMC4427756 DOI: 10.1292/jvms.13-0421] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
We examined the effects of chicken egg hydrolysate (also known as “bone peptide” or BP)
on bone metabolism in 5- to 8-month-old orchidectomized dogs. The bone formation marker
serum bone alkaline phosphatase (BAP) and the bone resorption marker urine
deoxypyridinoline (DPD) were used as indicators to measure changes in bone metabolism. The
following results were observed that Serum BAP was higher in dogs fed BP-enriched food
throughout the clinical investigation. Serum BAP was statistically significantly higher in
dogs fed BP-enriched food than in dogs fed non-BP-enriched food at 2 months after
orchidectomy. This suggests that BP promoted bone formation immediately after
orchidectomy.
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Affiliation(s)
- Toyokazu Kobayashi
- Laboratory of Veterinary Physiology, College of Bioresource Sciences, Nihon University, 1866 Kameino, Fujisawa, Kanagawa 252-0880, Japan
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Effects of egg yolk-derived peptide on osteogenic gene expression and MAPK activation. Molecules 2014; 19:12909-24. [PMID: 25157462 PMCID: PMC6271094 DOI: 10.3390/molecules190912909] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Revised: 08/07/2014] [Accepted: 08/12/2014] [Indexed: 01/01/2023] Open
Abstract
The present study investigated the effects of egg yolk-derived peptide (YPEP) on osteogenic activities and MAPK-regulation of osteogenic gene expressions. The effects of YPEP on cell proliferation, alkaline phosphatase activity, collagen synthesis, and mineralization were measured in human osteoblastic MG-63 cells. Activation of MAPKs and downstream transcription factors such as extracellular-signal-regulated kinase 1/2 (ERK1/2), c-Jun N-terminal kinase 1/2 (JNK1/2), p38, ELK1, and cJUN were examined using western blot analysis. YPEP dose-dependently increased MG-63 cell proliferation, ALP activity, collagen synthesis, and calcium deposition. YPEP activated ERK1/2, p38, and ELK1 phosphorylation whereas JNK and cJUN were not affected by YPEP. The COL1A1 (collagen, type I, alpha 1), ALPL (alkaline phosphatase), and SPP1 (secreted phosphoprotein 1, osteopontin) gene expressions were increased while BGLAP (osteocalcin) was not affected by YPEP. The ERK1/2 inhibitor (PD98509) blocked the YPEP-induced COL1A1 and ALPL gene expressions as well as ELK1 phosphorylation. The p38 inhibitor (SB203580) blocked YPEP-induced COL1A1 and ALPL gene expressions. SPP1 gene expression was not affected by these MAPK inhibitors. In conclusion, YPEP treatment stimulates the osteogenic differentiation via the MAPK/ELK1 signaling pathway. These results could provide a mechanistic explanation for the bone-strengthening effects of YPEP.
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Inhibitory Effects of Egg Yolk Soluble Protein on Bone Resorption. Biosci Biotechnol Biochem 2014; 72:1929-31. [DOI: 10.1271/bbb.70491] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Abdou AM, Watabe K, Yamane T, Isono T, Okamura Y, Kawahito S, Takeshima K, Masuda K, Kim M. Antiosteoporotic effect of orally administered yolk-derived peptides on bone mass in women. Food Sci Nutr 2014; 2:193-9. [PMID: 24936288 PMCID: PMC4048604 DOI: 10.1002/fsn3.94] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Revised: 12/31/2013] [Accepted: 01/12/2014] [Indexed: 11/16/2022] Open
Abstract
The main objective of this study was to verify the effect of oral intake of a yolk-derived peptide preparation (HYP) obtained by enzymatic hydrolysis of yolk water-soluble protein on bone markers and bone density in 65 perimenopausal women with an average age of 47.6 ± 5.2 years. Subjects were divided into three groups, and then enrolled in a 6-month, randomized, double-blind clinical trial. Bone formation and resorption markers were measured at 0, 3, and 6 months, while bone mineral density (BMD) in the lumbar spines was measured at 0 and 6 months. Although the bone formation marker levels showed the similarity changes among the groups, bone resorption markers in the test HYP group were significantly decreased after 3 and 6 months in comparison to other groups (P < 0.05). After 6 months, BMD in the test HYP group maintained at healthy numerical values whereas BMD values were decreased in other groups. Hence HYP would be an antiosteoporotic agent originated from natural food to maintain bone health, especially for women.
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Affiliation(s)
- Adham M Abdou
- Pharma Foods International Co., Ltd. Kyoto, 615-8245, Japan
| | - Kazuya Watabe
- Pharma Foods International Co., Ltd. Kyoto, 615-8245, Japan
| | - Tetsuro Yamane
- Matsushita Memorial Hospital Moriguchi City, Osaka, 570-8540, Japan
| | - Tadayuki Isono
- Wada Calcium Pharmaceutical Co., Ltd. Osaka, 538-0043, Japan
| | | | | | | | | | - Mujo Kim
- Pharma Foods International Co., Ltd. Kyoto, 615-8245, Japan
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Abstract
OBJECTIVE Osteoporosis is a major health problem worldwide, and most current therapy used in osteoporosis treatment acts by either increasing bone formation or decreasing bone resorption. However, the adverse effects of these therapies may preclude their long-term use. We examined the effects of egg yolk water-soluble peptide (YPEP) on bone metabolism as an alternative to current therapeutic agents in ovariectomized (OVX) rats. METHODS In the first step, the in vitro effects of YPEP on bone loss were determined. The proliferation, collagen content, and alkaline phosphatase activity of preosteoblastic MC3T3-E1 cells and osteoclastogenesis from bone marrow-derived precursor cells were measured. The in vivo experiment confirmed the positive effect of YPEP on bone tissue. Three-month-old female Sprague-Dawley rats were either sham operated or ovariectomized and fed commercial chow diet or 0.1% YPEP-supplemented diet for 3 month. RESULTS YPEP increased preosteoblastic MC3T3-E1 cell proliferation and alkaline phosphatase activity in a dose-dependent manner. Collagen content was also increased by YPEP treatment. Furthermore, YPEP potently suppressed osteoclastogenesis from bone marrow-derived precursor cells. YPEP (100 μg/mL) abolished the formation of osteoclasts positive for tartrate-resistant acid phosphatase. OVX rats supplemented with YPEP showed an osteoprotective effect, as the bone mineral density and cortical thickness in the tibia were increased compared with the OVX controls. Moreover, histological data indicate that YPEP prevented the cancellous bone loss induced by ovariectomy. None of these protective effects were observed in casein-treated rats. CONCLUSIONS The present study suggests that YPEP is a promising alternative to current therapeutic agents for the management of osteoporosis.
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