Journal of Diabetes & Metabolism

ISSN - 2155-6156

+441518081309

Research Article - (2013) Volume 4, Issue 3

Concentrated Bovine-Milk Whey Active Protein (CBP) Supplement-Combined Dynamic Flamingo Therapy (DFT) Activates Bone Metabolism and Bone-Related Factors

Sangun Lee1*, Junichi Hashimoto1, Takao Suzuki1, Atsuko Satoh2, Barry Kavanagh1, Takako Kumagai3, Kiyonori Yamai4 and Shinji Ohta5
1Department of Physical Therapy, Aomori University of Health and Welfare, Aomori-shi, Japan
2Department of Nursing, Hirosaki University of Health and Welfare, Hirosaki-shi, Japan
3Department of Nutrition, Aomori University of Health and Welfare, Aomori-shi, Aomori, Japan
4Department of Gastroenterology and Hematology and Oncology, Odate Municipal General Hospital, Odata-shi, Japan
5Department of Obstetrics and Gynecology, Aomori Khosei Hospital, Aomori-shi, Japan
*Corresponding Author: Sangun Lee, Ph.D, Department of Physical Therapy, Aomori University of Health and Welfare, 58-1 Hamadate Mase, Aomori, Aomori, 030-8505, Japan, Tel: +81-17-765-2000, Fax: +81-17-765-2000 Email:

Abstract

Aims: In this study, we analyzed the effect of concentrated bovine-milk whey active protein (CBP) supplementcombined dynamic flamingo therapy (DFT) on bone metabolism and bone-related factors.

Methods: Subjects were menopausal women over 65 years of age, and they were divided into 3 groups C, DFT, and CBP-combined DFT (DFT-CBP) and analyzed for 2 months.

Results: The deoxypyridinoline (DPD) bone marker showed only a 27.7% decreased value in the DFT-CBP group after 2 months of treatment initiation, in comparison with the value before treatment (p<0.01). However, the calcitonin was found with significant changes in all groups, but the DFT and DFT-CBP groups demonstrated a similar pattern of changes. The DFT-CBP group showed a 30.1% increased value after 1 month of treatment initiation, in comparison with the value before treatment, and a 37.1% decreased value after 2 months of treatment initiation (p<0.001, in each).

Discussion: This study demonstrated the synergistic effect of CBP supplement and an exercise load such as DFT. On the basis of these results, with the presence of a synergistic effect of a lightly loaded exercise and supplementation, bone improvement in menopausal women can be expected.

Keywords: Dynamic flamingo therapy; Bone metabolism mark; Body composition; Concentrated bovine-milk whey active protein supplement; Synergistic effect; Menopausal women

Introduction

Changes in internal secretions in menopausal women lead to bone loss and weakening of cross-linked structures [1,2]. Exercise and a nutritional intake are recommended for the prevention of bone loss and for bone improvement, which are influenced by a balance between bone formation and resorption. Previous studies have shown that bone mechanical stress associated with intense exercise is very important in bone improvement [3,4]. On the other hand, Appleby et al. [5], in a prospective study of women and the incidence of bone fracture, reported that exercise increased the relative risk of bone fracture. In contrast, dynamic flamingo therapy (DFT), which has been proposed as a safe and simple method, has been suggested to improve both the mechanical stress on the lower limbs and balancing ability [6-8]. However, the mechanism by which DFT leads to bone improvement is unclear, and its impact on bone metabolism remains undetermined.

In recent years, consumption of milk basic protein (MBP) supplement and similar dairy products has frequently been used in order to promote bone improvement [9-13]. Of these products, concentrated bovine-milk whey active protein (CBP) has been shown to induce bone formation in vitro, and has attracted interest as a method of bone improvement [12,13]. CBP directly affects bones by acting on osteoblasts [12] and indirectly by acting on growth hormone (GH) [13]. However, although the possibility that an intake of CBP alone leads to bone improvement in middle-aged men and women has been suggested, the specific mechanism underlying its role in bone metabolism and other bone-related factors has yet to be established [14]. Previous research on bones and nutritional intake has given rise to disagreement [15-17], with some reports claiming bone improvement and others showing no change [18-20]. Accordingly, at present, no consensus has been reached [15,21]. In contrast, bone improvement has been reported when nutritional intake is combined with exercise, in which the combined use of CBP supplement and DFT results in a safer, positive, and synergistic effect on bone improvement.

This study examined the impact of DFT combined with CBP supplement on bone metabolism and bone-related factors among menopausal women. The present study also aimed to clarify the manner in which the synergistic effect of DFT and CBP supplements causes changes in bone metabolism.

Materials and Methods

Subjects

Subjects were 35 menopausal women more than 65 years of age (71.9 ± 6.3 yr), who did not have any major illness or a history of illness and were confirmed to have no problems for CBP supplementation. Subjects consisted of people who were below the healthy level of bone mass (63.1 ± 2.4%, ratio for young adult mean) as stipulated by the Japanese Society for Bone and Mineral Research [22]. The subjects were assigned randomly to 3 groups: C, DFT, and DFT-CBP. The informed consent was obtained from all subjects, and this research has been approved by the department of ethics committee at the Aomori University of Health and Welfare (No.11022).

Questionnaire

A self-completion questionnaire was handed out to the subjects, and was collected on the day of blood sampling after individual interviews. The items asked in the questionnaire consisted of age, menarche, menopause, smoking, drinking, and exercise habits, status of major diseases, osteoporosis, fracture, and medication including the use of Non-steroidal anti-inflammatory drugs (NSAIDs).

DFT protocol and CBP Supplement

In terms of the DFT implementation method, the subjects were requested to stand on one leg with both hands on the sides (on each leg, right and left, for 1 min and 3 times a day [morning, noon, and night]) [6,23]. In addition, for safety, the subjects were allowed to grab the wall, desk, or handrail. A total count of 1 min was allowed even when the subject did not stand continuously for 1 min. DFT was performed more than 5 times per week for 2 months. The DFT-CBP group was administered an oral CBP supplement (Seperex Nutritionals Ltd., New Zealand) of 1 tablet per day (CBP 60 mg/Tablet) after breakfast for 2 months.

Body composition and Bone Mineral Density (BMD)

Anthropometric parameters measured the BW, the body mass index (BMI), the basal metabolic rate (BMR), the body fat percentage (%fat), the lean body mass (LBM), the muscle mass, the bone mineral mass (BMM), the total body water, the intracellular fluid (ICF) and the extracellular fluid (ECF) with the body composition analyzer ‘In Body 3.0’ (Biospace Co., Japan) using the multifrequency (5~500kHz) bioimpedance method, after measuring height.

Bone mineral density was measured using the A1000 EXPRESS (General Electric Co, USA) ultrasound wave specifications and the side of the calcaneus which does not have an anamnesis injury was measured.

Blood chemistry parameters

Subjects were told to fast and their blood was collected from the antecubital vein in a sitting position, and blood composition was analyzed using the automatic blood cell counter ‘SE-9000’ (Sysmex Co., Japan). Serum samples were separated from blood samples by centrifugation for 10 min at 3000 rpm and kept frozen at -30°C until used for measurement at a later date. The measurement items of the serum elements included total cholesterol (TC) levels, HDL-cholesterol (HDL-C), triglyceride (TG), high density lipoprotein cholesterol (HDL-C) and low density lipoprotein cholesterol (LDL-C). The blood measured the TC, HDL-C, TG and LDL-C by enzyme methods.

Maker of bone metabolism and hormones

The markers of bone formation used through the ‘UNICEL DXL 800’ (Beckman Coulter, Inc., Japan) and measured bone specific alkaline phosphatase (BAP) the chemiluminescent enzyme immunoassay (CLEIA). The chemical reagent used the ‘Access BAP kit’ (Beckman Coulter, Inc., Japan). Meanwhile, the bone resorption marker used the ‘fully automated microplate EIA analyzer AP-X’ (Kyowa Medex Co., Ltd. Japan) and measured deoxypiridinoline (DPD) through the Enzyme Immunoassay (EIA) method. The chemical reagent used ‘Osteolinks-DPD kit’ (DS Pharma Biomedical Co., Ltd. Japan).

The Calcitonin (CT) hormone was measured using the ‘50 WELL GAMMA COUNTER ARC950’ (Hitachi Aloka Medical, Ltd. Japan), and through the double antibody radioimmunoassay method. The chemical reagent used ‘calcitonin RIA-Mitsubishi kit’ (Mitsubishi Chemical Medience co. Japan). Meanwhile, the PTH-intact was measured by the chemiluminescent enzyme immunoassay (CLEIA) method using the ‘UNICEL DXL 800’ Beckman Coulter, Inc., Japan). The chemical reagent used ‘Access intact PTH kit’ (Beckman Coulter, Inc., Japan).

Statistical analysis

The results are shown as mean values and standard deviation (SD). Multiple comparisons in each group between before treatment and 1 month or 2 months after treatment initiation were performed using Tukey’s HSD test. The analysis was performed using the IBM SPSS Statistics (Ver.19.0) and statistical significance was set at p<0.05.

Results

The physical characteristics and lifestyle of subjects are shown in table 1 (mean ± SD).

Height, %   149.5 ± 5.43
Body weight, kg   52.7 ± 7.99
Body mass index, kg/m2   23.5 ± 3.22
Basal metabolic rate, kcal   1067.5 ± 71.25
Menarche, yr   14.7 ± 1.87
Postmenopausal, yr   47.9 ± 6.11
Smoking habit (≦1 cigarettes/day), n (%) Smokers 2 (5.7)
Non-smoker 33 (94.3)
Alcohol habit (≦1 mg alcohol/week), n (%) Drinkers 7 (20.0)
Non-drinker 28 (80.0)
Exercise (≦1 once/week), n (%) Exercise 10 (28.6)
Non-exercise 25 (71.4)
Values are the mean ± standard deviation

Table 1: Characteristics of subjects.

Body composition

There were no significant changes in the body composition in all groups (Table 2).

    Before After 1 mount After 2 mount p-values
Control (n=7) Body fat percentage, % 33.4 ± 3.32 33.4 ± 3.55 33.4 ± 2.48 1.000
Lean body mass, kg 33.8 ± 3.45 34.0 ± 3.64 33.5 ± 3.55 0.963
Muscle mass, kg 31.8 ± 3.31 32.0 ± 3.46 31.5 ± 3.42 0.961
Bone mass, kg 2.0 ± 0.15 2.1 ± 0.16 2.0 ± 0.16 0.968
Total body water, ℓ 23.3 ± 2.41 23.5 ± 2.53 23.1 ± 2.49 0.964
Intracellular fluid, ℓ 15.3 ± 1.71 15.4 ± 1.78 15.1 ± 1.78 0.939
Extracellular fluid, ℓ 8.0 ± 0.74 8.0 ± 0.78 8.0 ± 0.74 0.998
DFT (n=14) Body fat percentage, % 31.1 ± 5.76 30.5 ± 5.79 31.6 ± 6.19 0.909
Lean body mass, kg 35.9 ± 4.94 37.0 ± 4.13 36.9 ± 5.30 0.836
Muscle mass, kg 33.8 ± 4.73 34.8 ± 3.95 34.7 ± 5.09 0.844
Bone mass, kg 2.1 ± 0.21 2.2 ± 0.18 2.2 ± 0.23 0.838
Total body water, ℓ 24.8 ± 3.46 25.5 ± 2.90 25.4 ± 3.73 0.841
Intracellular fluid, ℓ 16.3 ± 2.21 16.8 ± 1.95 16.8 ± 2.41 0.826
Extracellular fluid, ℓ 8.4 ± 1.28 8.7 ± 1.00 8.6 ± 1.34 0.873
DFT (n=14) Body fat percentage, % 30.1 ± 6.28 30.2 ± 6.16 31.5 ± 5.93 0.809
Lean body mass, kg 37.2 ± 3.69 37.1 ± 3.83 37.1 ± 3.95 0.992
Muscle mass, kg 35.0 ± 3.54 34.9 ± 3.65 34.9 ± 3.77 0.993
Bone mass, kg 2.2 ± 0.16 2.2 ± 0.17 2.2 ± 0.17 0.990
Total body water, ℓ 25.7 ± 2.59 25.6 ± 2.67 25.5 ± 2.78 0.988
Intracellular fluid, ℓ 16.9 ± 1.73 17.0 ± 1.79 17.0 ± 1.86 0.989
Extracellular fluid, ℓ 8.8 ± 0.87 8.6 ± 0.90 8.6 ± 0.94 0.831
DFTValues are the mean ± standard deviation
DFT: Dynamic Flamingo Therapy; CBP: Concentrated Bovine-Milk Whey Active Protein

Table 2: The comparison of the body compositions production between the 2 months (ANOVA).

Blood chemistry parameters

There were no significant changes in the blood composition such as lipid related items, in all groups (Table 3).

    Before After 1 mount After 2 mount p-values
Control (n=7) Leukocyte, / μℓ 5258.6 ± 967.0 5890.0 ± 851.3 5598.0 ± 675.1 0.390
Erythrocyte, / μℓ (104) 448.1 ± 28.3 445.4 ± 35.1 448.4 ± 35.7 0.983
Calcium, mg / dℓ 9.1 ± 0.24 9.4 ± 0.39 8.9 ± 0.37 0.046
TC, mg / dℓ 208.1 ± 16.17 218.7 ± 15.04 212.0 ± 21.13 0.537
TG, mg / dℓ 127.7 ± 79.69 92.0 ± 37.29 106.1 ± 31.26 0.474
HDL-C, mg / dℓ 62.6 ± 9.61 68.0 ± 8.76 67.0 ± 11.69 0.573
LDL-C, mg / dℓ 113.1 ± 29.66 131.0 ± 24.34 118.4 ± 25.22 0.449
DFT (n=14) Leukocyte, / μℓ 4956.4 ± 1317.7 4964.4 ± 1418.1 4626.0 ± 1511.5 0.823
Erythrocyte, / μℓ (104) 428.4 ± 34.63 424.6 ± 39.27 430.5 ± 36.39 0.937
Calcium, mg / dℓ 9.0 ± 0.36 8.9 ± 0.40 9.1 ± 0.41 0.405
TC, mg / dℓ 181.4 ± 32.29 176.8 ± 19.18 179.4 ± 22.06 0.918
TG, mg / dℓ 98.5 ± 41.86 82.4 ± 38.21 95.8 ± 45.66 0.659
HDL-C, mg / dℓ 51.6 ± 15.37 60.8 ± 14.99 58.2 ± 15.08 0.332
LDL-C, mg / dℓ 96.6 ± 23.88 84.7 ± 18.55 90.2 ± 26.75 0.495
DFT -CBP (n=14) Leukocyte, / μℓ 5105.7 ± 991.4 5162.5 ± 1196.0 4769.1 ± 1245.8 0.673
Erythrocyte, / μℓ (104) 424.3 ± 28.26 428.2 ± 26.62 432.3 ± 31.65 0.790
Calcium, mg / dℓ 9.1 ± 0.36 9.0 ± 0.30 9.1 ± 0.30 0.635
TC, mg / dℓ 194.0 ± 32.01 200.3 ± 27.72 197.7 ± 36.35 0.880
TG, mg / dℓ 109.0 ± 36.55 89.2 ± 39.81 107.4 ± 32.46 0.339
HDL-C, mg / dℓ 55.1 ± 12.53 60.7 ± 15.55 56.6 ± 10.68 0.555
LDL-C, mg / dℓ 106.1 ± 29.41 109.3 ± 26.64 110.7 ± 33.14 0.924
Values are the mean ± standard deviation
DFT: Dynamic Flamingo Therapy; CBP: Concentrated Bovine-Milk Whey Active Protein; TC: Total Cholesterol; TG: Triglyceride; HDL-C: High Density Lipoprotein- Cholesterol; LDL-C: Low Density Lipoprotein-Cholesterol

Table 3: The comparison of the blood elements production between the 2 months (ANOVA).

Maker of bone metabolism

There were no significant changes in the BAP in all groups. However, the DPD bone marker showed only a 27.7% decreased value in the DFT-CBP group after 2 months of treatment initiation, in comparison with the value before treatment (p<0.01) (Figure 1).

diabetes-metabolism-bone-metabolism

Figure 1: Changes in bone metabolism markers in each group within 2 months.

Hormones

Compared to before treatment initiation, 30.6% of decreased calcitonin of C group was seen 2 months after treatment initiation. Further, compared to the value 1 month after treatment initiation, a 27.4% decreased value was observed after 2 months of treatment (p<0.05) (Figure 2).

diabetes-metabolism-bone-related-factors

Figure 2: Changes in bone-related factors in each group within 2 months.

In the DFT group, a 29.1% increased value was observed after 1 month of treatment initiation, and a 35.3% decreased value was observed 2 months after treatment initiation. Further, a 49.8% decreased value was observed after 2 months of treatment, in comparison with the value after 1 month of treatment initiation (p<0.001) (Figure 2).

In the DFT-CBP group, a 30.1% increased value was observed after 1 month of treatment initiation, and a 37.1% decreased value after 2 months of treatment initiation. Further, a 51.7% decreased value was observed after 2 months of treatment, in comparison with the value after 1 month of treatment initiation (p<0.001). However, PTH-intact did not show any significant changes in either group (Figure 2).

Discussion

In this study, we analyzed the effect of CBP supplement-combined DFT on bone metabolism and bone-related factors among menopausal women. The results showed a significant inhibition of DPD in the DFT-CBP group after 2 months of supplementation, as compared to baseline levels. The results also suggest a synergistic effect of CBP supplements with the CT-related properties of DFT.

GH, which affects bones, was affected by whey protein and CBP [12,13,24]. GH is activated by increases in skeletal muscle mass and exercise intensity and is involved in lipid metabolism [25-28]. CBP, which is strongly related to GH, has been reported to act directly and indirectly on bones [12,13]. Further, mechanical stress is essential for bone improvement [2], in which the act of standing on one leg for 1 minute gives the proximal part of the femur a load equivalent to that of 53 minutes of walking [6,29,30]. However, earlier research involving healthy middle-aged men and women fed with CBP alone has shown that this regimen by itself may directly result in bone improvement [14]. Moreover, DFT research by Sakamoto [6] showed a trend toward a partial increase in bone density, although this study did not show any significant improvement in bone health. Our results also showed no bone-related change in body composition or blood component. During the 2-month monitoring period, the required threshold for a change in body composition or blood component was not reached, and the combined effects of DFT and CBP on bone features were limited.

Fujimura et al. [31], using resistance exercise, and Woitge et al. [32], using aerobic exercise, reported a continuous decrease in DPD, although after a period of time, the subjects reverted back to their baseline values. In other words, DPD exhibits a biological reaction regardless of the type of exercise, and the difference in the regression time is influenced by the intensity of the exercise. Aoe et al. reported that a 6-month intake of MBP supplements resulted in a reduction in type I collagen cross-linked N-telopeptides (NTx) and suggested that bone improvement was suppressed by bone-resorbing factors [9,10]. Research by Zou et al. [11] also showed a reduction in NTx, despite a constant BAP, after MBP supplementation for 8 months. Furthermore, Rudman et al. [25] have shown that the administration of GH to elderly patients resulted in the activation of bone formation and resorption, with bone resorption predominating during initial bone remodeling.

On the basis of these results, it is suggested that bone resorption factors are readily affected by exercise and supplements and may play a central role in bone metabolism. The results of the present study show that the synergistic effect of CBP supplements and exercise may activate bone metabolism and resorption. On the other hand, although all groups showed a significant change in CT, no change in PHT, which is involved in CT reactions [33], was reported, thus suggesting the requirement for DFT implementation. In particular, changes in CT and DPD in the DFT-CBP group indicated an association. CT levels in the blood were altered neither by a short period of intense exercise nor by a long period of moderate exercise [34]. Given the amount of load and age of the subjects in the present study, it seems clinically unlikely that the changes would be associated with an increase in estrogen or other bone-related secretions. As such, CT readily reacts to weak loads, similar to the responses to routine daily activities or DFT. Further, CBP, which acts directly on osteoblasts, appeared to have little impact on CT.

In bone remodeling, inhibition is caused by a variety of bonerelated factors and interactions between cells [35,36]. Rodondi et al. [37] have reported that the combination of whey protein and other related factors imparts a synergistic effect on frail elderly patients. Given these facts, we feel that light, short-term exercise loading also prompts a synergistic effect with CBP supplement and may lead to a method for bone improvement.

In Japan, a safe and simple method for bone improvement for the elderly has yet to be established, prompting the need to identify effective approaches from the area of evidence-based medicine. The present study could not clarify the specific mechanism of coupling or the synergistic effect on bone-related factors. However, DFT with concomitant CBP supplement show the possibility of further enhancing the effects on bone and has potential as a method of bone improvement that is effective and safe.

As suggested in this short-term study, the changes in bone-related factors caused by DFT and CBP supplement over a long period will have to be studied. Further, investigation of the clinical effects of DFT and CBP supplement on patients with bone-related diseases should be continued, together with the efforts to understand the mechanism by which supplements affect the bone.

Acknowledgements

I gratefully appreciate the financial support of Grant-in-Aid from Aomori University of Health and Welfare that made it possible to complete my thesis. Finally, I would like to express my deepest gratitude to the nurses of the Nakasato health center whose enormous support and insightful comments were invaluable during the course of my study.

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Citation: Lee S, Hashimoto J, Suzuki T, Satoh A, Kavanagh B, et al. (2013) Concentrated Bovine-Milk Whey Active Protein (CBP) Supplement-Combined Dynamic Flamingo Therapy (DFT) Activates Bone Metabolism and Bone-Related Factors. J Diabetes Metab 4:251.

Copyright: © 2013 Lee S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.