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Related Concept Videos

Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Chronic Kidney Disease III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...
Chronic Kidney Disease IV: Nursing Management01:18

Chronic Kidney Disease IV: Nursing Management

Nursing management is essential for preventing complications, maintaining stability, and improving patients' quality of life in chronic kidney disease (CKD). By using a structured approach, nurses help slow CKD progression and support effective patient care​.1. Comprehensive patient assessmentEffective management begins with nurses reviewing the patient’s medical history, and identifying key risk factors like diabetes, hypertension, and nephrotoxic drug use. Nurses assess signs of fluid...

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Related Experiment Video

Updated: Jun 22, 2026

Evaluation of Amino Acid Consumption in Cultured Bone Cells and Isolated Bone Shafts
06:32

Evaluation of Amino Acid Consumption in Cultured Bone Cells and Isolated Bone Shafts

Published on: April 13, 2022

Adherence to K/DOQI bone metabolism guidelines.

David H Smith1, Eric S Johnson, Micah L Thorp

  • 1Center for Health Research, Kaiser Permanente Northwest, Portland, OR 97227, USA. David.H.Smith@kpchr.org

Journal of Renal Nutrition : the Official Journal of the Council on Renal Nutrition of the National Kidney Foundation
|June 23, 2009
PubMed
Summary

Testing for bone metabolism markers in chronic kidney disease (CKD) patients is linked to CKD severity. Higher intact parathyroid hormone levels correlate with increased cardiovascular hospitalization risk in CKD patients.

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Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation
07:17

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation

Published on: April 14, 2016

Related Experiment Videos

Last Updated: Jun 22, 2026

Evaluation of Amino Acid Consumption in Cultured Bone Cells and Isolated Bone Shafts
06:32

Evaluation of Amino Acid Consumption in Cultured Bone Cells and Isolated Bone Shafts

Published on: April 13, 2022

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation
07:17

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation

Published on: April 14, 2016

Area of Science:

  • Nephrology
  • Endocrinology
  • Cardiovascular Medicine

Background:

  • Chronic kidney disease (CKD) management guidelines recommend monitoring bone metabolism markers.
  • Contemporary clinical practice in CKD bone metabolism testing requires evaluation.

Purpose of the Study:

  • To assess adherence to CKD bone metabolism testing guidelines.
  • To examine trends in testing from 2002 to 2005.
  • To investigate the relationship between bone metabolism markers, CKD severity, and cardiovascular hospitalizations.

Main Methods:

  • Retrospective cohort study.
  • Data from a large US health maintenance organization.
  • Analysis of testing rates, CKD severity, nephrology referral, and cardiovascular hospitalizations.

Main Results:

  • Testing rates showed little variation over time.
  • Testing frequency correlated positively with CKD severity and nephrology referral.
  • Elevated intact parathyroid hormone (iPTH) levels (≥200) were associated with a 2.16-fold increased risk of cardiovascular hospitalization.

Conclusions:

  • The study supports an association between bone metabolism disorders and cardiovascular disease in CKD.
  • Further research is needed to determine if increased bone metabolism testing improves CKD patient outcomes.
  • The study does not imply that controlling iPTH prevents cardiovascular hospitalizations.