Dietary Calcium Bone Resorption
The relative contribution of the recent diet and bone to urinary calcium excretion was calculated by the method of welch et.
Dietary calcium bone resorption. European journal of clinical nutrition vol. Net bone balance was determined as the difference between vo and vo. 10 1158 0008 5472 can 07 1046 published october 2007. Menopause leads to bone loss because decreases in estrogen production both increase bone resorption and decrease calcium absorption 13 27 28.
Modzelewski robert kalak julie m. Yu zheng hong zhou james r k. European journal of clinical nutrition vol. This study was conducted to examine associations between diet induced changes in net acid excretion nae and changes in serum parathyroid hormone pth bone resorption and calcium excretion over a longer period of 60 days.
1 bone research program anzac research institute university of sydney sydney new south wales australia. Zheng y 1 zhou h modzelewski jr kalak r blair jm seibel mj dunstan cr. Accelerated bone resorption due to dietary calcium deficiency promotes breast cancer tumor growth in bone cancer res. Annual decreases in bone mass of 3 5 per year frequently occur in the first years of menopause but the decreases are typically less than 1 per year after age 65 29.
This is why bone health is dependent on the intake of dietary calcium and. Effects of two marine dietary supplements with high calcium content on calcium metabolism and biochemical marker of bone resorption. Seibel and colin r. 1 division of rheumatology tufts new england medical center bone metabolism laboratory at the jean mayer usda human nutrition research center on aging at tufts university boston ma 02111 usa.
Dietary acid base balance bone resorption and calcium excretion. Jajoo r 1 song l rasmussen h harris ss dawson hughes b. Metabolic studies reveal that acidogenic diets increase bone resorption acutely. Accelerated bone resorption due to dietary calcium deficiency promotes breast cancer tumor growth in bone.
Thus bone tissue sacrifices its stored calcium to maintain blood calcium levels. Blood calcium levels are rigorously controlled so that if blood levels drop the body will rapidly respond by stimulating bone resorption thereby releasing stored calcium into the blood.