Related Experiment Video

Updated: Jun 2, 2026

5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats
05:34

5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats

Published on: April 4, 2025

[Hypertension, CKD and bone metabolism]

Hironori Nakagami1, Ryuichi Morishita

  • 1Division of Vascular Medicine and Epigenetics, Osaka University, United Graduate School of Child Development.

Clinical Calcium
|May 3, 2011
PubMed

Insights

Hypertension and Chronic Kidney Disease (CKD) contribute to osteoporosis through complex mechanisms involving calcium, phosphorus, and hormonal pathways. Understanding these links can inform targeted treatments for bone health in affected patients.

Area of Science:

  • Nephrology
  • Endocrinology
  • Bone Metabolism

Background:

  • Hypertension and Chronic Kidney Disease (CKD) are frequently comorbid with osteoporosis.
  • Mechanisms linking these conditions to bone loss are multifactorial, involving mineral imbalances and hormonal dysregulation.

Purpose of the Study:

  • To elucidate the specific pathways through which hypertension and CKD contribute to osteoporosis.
  • To investigate the role of the renin-angiotensin system in hypertension-associated bone loss.

Main Methods:

  • Review of existing literature on hypertension, CKD, and osteoporosis.
  • Analysis of the effects of Angiotensin II on osteoblast and osteoclast activity.
  • Examination of the impact of phosphorus and FGF23 in CKD-related bone disease.

Main Results:

  • Hypertension can lead to increased urinary calcium and secondary hyperparathyroidism, promoting bone resorption.
  • The renin-angiotensin system, specifically Angiotensin II, upregulates RANKL, activating osteoclasts.
  • CKD-induced hyperphosphatemia and altered vitamin D metabolism contribute to osteoporosis progression.

Conclusions:

  • Both hypertension and CKD are significant risk factors and contributing factors to the development of osteoporosis.
  • Targeting the renin-angiotensin system and managing mineral imbalances may be crucial for preventing bone loss in these patient populations.

More Related Videos

Assessment of Vascular Function in Patients With Chronic Kidney Disease08:50

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Published on: June 16, 2014

Related Concept Videos

Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
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...
Chronic Kidney Disease I: Introduction01:25

Chronic Kidney Disease I: Introduction

Chronic Kidney Disease (CKD) arises when the kidneys progressively lose their ability to function, ultimately leading to end-stage renal disease. At this advanced stage, the kidneys can no longer filter waste or maintain essential body functions, requiring renal replacement therapy (RRT) through dialysis or a kidney transplant for survival.Early-stage chronic kidney disease and detection challengesIn CKD's early stages, symptoms often remain absent because healthy nephrons compensate for...
Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.
Hormones and Bone Tissue01:17

Hormones and Bone Tissue

The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...