Basic and clinical aspects of calcimimetics. Effect of direct injection therapy in the expression of calcium-sensing receptor in parathyroid cell

Kazuhiro Shiizaki, Ryoko Tozawa, Eiji Kusano

Research output: Contribution to journalArticle

Abstract

Medical treatments including intravenous vitamin D therapy often fail to control parathyroid hormone (PTH) level in advanced secondary hyperparathyroidism (SHPT) . High level of PTH in spite of hypercalcemia rssults from poor sensitivity for calcium (Ca) of parathyroid cell (PTC) , due to low content of Ca-sensing receptor (CaSR) . It has been reported that direct vitamin D injection into parathyroid gland (PTG) efficiently decreased PTH level without significant changes of Ca level in dialysis patients as well as in uremic animals, possibly through up-regulation of CaSR and vitamin D receptor and decrease of cell number in PTC. In addition, the increase of CaSR expression in PTC induced by gene therapy using the same technique of direct injection into PTG has been also confirmed in model animals. These new therapeutic strategies for increasing CaSR expression in PTC may be promising for the the control of Ca and PTH levels in patients with advanced SHPT.

Original languageEnglish (US)
Pages (from-to)51-56
Number of pages6
JournalClinical calcium
Volume18
Issue number1
StatePublished - Jan 2008

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Calcium-Sensing Receptors
Parathyroid Hormone
Injections
Secondary Hyperparathyroidism
Parathyroid Glands
Calcium
Vitamin D
Calcitriol Receptors
Hypercalcemia
Therapeutics
Genetic Therapy
Dialysis
Up-Regulation
Animal Models
Cell Count

ASJC Scopus subject areas

  • Medicine(all)

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Basic and clinical aspects of calcimimetics. Effect of direct injection therapy in the expression of calcium-sensing receptor in parathyroid cell. / Shiizaki, Kazuhiro; Tozawa, Ryoko; Kusano, Eiji.

In: Clinical calcium, Vol. 18, No. 1, 01.2008, p. 51-56.

Research output: Contribution to journalArticle

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