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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wang, Dan-Hui Wu, Wei Tian, Jian-Ming Wang, Zhao-Hui Wang, Dan-Tong Xiang, Ke Zhu, Guo-Ying Han, Tie |
| Description | Country affiliation: China Author Affiliation: Wang DH ( Traditional Chinese Medicine Academy of Science of Jilin Province, Changchun 130021, China.) |
| Abstract | OBJECTIVE: To evaluate the roles or effects of oviductus ranae (OR) or oviductus ranae eggs (ORE) in preventing and treating postmenopausal osteoporosis. METHODS: In vivo experiment: Sixty female adult Wistar rats were randomly divided into 5 groups of 12. To provide an osteoporosis model 4 groups of rats were ovariectomized (OVX), with the 5th being sham operated. Medication commenced 7 days after the operation and lasted continuously for 12 weeks. Sham operated and OVX groups were given equivalent volumes of 5% Tween-80. The other three groups intragastrically received conjugated estrogens (CE), OR or ORE of the corresponding doses. At the 12th week, serum estrogen, bone gla protein (BGP), serum calcium, phosphorus, and alkaline phosphatase (ALP) were assayed; bone mineral densities (BMD) were measured and bone scanning was conducted; uteri were weighed, and weight, volume and length of the femoral bones were determined; and cortical thickness of femoral heads and area of bone trabecula were measured by image analyzer. In vitro experiment: Eighty 10-month old SD rats, with equal numbers of males and females, were randomly divided into 8 groups. Osteoblasts were isolated from neonatal rat calvariae, and the cells were exposed to various concentrations of serum from OR and ORE groups to study the impact of these sera on osteoblastic proliferation, ALP activity and mineralization. Osteoclastic numbers were determined using tartrate resistant acid phosphatase (TRAP). RESULTS: In vivo experiment: The body weight of the four OVX groups increased significantly (P<0.01). Uterine weight of the CE group was the highest (P<0.01); Compared with the model group, estrogen level, BMD, bone scanning/bone imaging index weight of the femoral bones, cortical thickness of femoral heads in the OR and ORE groups increased significantly (P<0.05, P<0.01); femoral volume in the ORE group increased significantly (P<0.05); and the content of osteocalcin, phosphorus, and ALP in serum decreased significantly (P<0.05, P<0.01). In vitro experiment: Sera from OR and ORE groups had notable effects on the proliferation of osteoblasts (P<0.05 and P<0.01, repsectively) and stimulated the formation of calcium nodes (P<0.05, P<0.01), while the enhancement of ALP activity in osteoblasts was significant (P<0.05, P<0.01). The number of TRAP-positive cells was significantly reduced as well (P<0.01). CONCLUSIONS: OR and its eggs could effectively suppress OVX-induced osteoporosis in rats, and increase bone turnover possibly by both an increase in osteoblastic activity and a decrease in osteoclastic activity. The present study provides evidence that OR and its eggs could be considered a complementary and alternative medicine for the treatment of postmenopausal osteoporosis. |
| File Format | HTM / HTML |
| ISSN | 16720415 |
| Issue Number | 7 |
| Volume Number | 19 |
| e-ISSN | 19930402 |
| Journal | Chinese Journal of Integrative Medicine |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2013-07-01 |
| Publisher Place | China |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Therapeutics Bone And Bones Metabolism Materia Medica Therapeutic Use Osteoporosis Drug Therapy Ovum Acid Phosphatase Alkaline Phosphatase Animals Biological Markers Blood Body Weight Drug Effects Bone Density Calcification, Physiologic Cell Count Cell Differentiation Cell Proliferation Female Femur Pathology Isoenzymes Male Pharmacology Organ Size Osteoblasts Enzymology Osteoclasts Physiopathology Ovariectomy Rats Rats, Wistar Uterus Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pharmacology (medical) Complementary and Alternative Medicine |
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