Zoledronic acid monohydrate

Synonyms: zoledronate monohydrate, CGP-4244 monohydrate

Zoledronic acid (Zoledronate, CGP-4244) monohydrate, a nitrogen-containing bisphosphonate, is a potent osteoclast inhibitor which induces apoptosis in osteoclasts by inhibiting enzymes of the mevalonate pathway and preventing the isoprenylation of small GTP-binding proteins such as Ras and Rho.

Zoledronic acid monohydrate Chemical Structure

Zoledronic acid monohydrate Chemical Structure

CAS No. 165800-06-6

Purity & Quality Control

Batch: S524401 0.5MNAOH]6.02 mg/mL]false]Water]2.3 mg/mL]false]DMSO]0.01 mg/mL]false Purity: 98%
98

Zoledronic acid monohydrate Related Products

Signaling Pathway

Biological Activity

Description Zoledronic acid (Zoledronate, CGP-4244) monohydrate, a nitrogen-containing bisphosphonate, is a potent osteoclast inhibitor which induces apoptosis in osteoclasts by inhibiting enzymes of the mevalonate pathway and preventing the isoprenylation of small GTP-binding proteins such as Ras and Rho.
Targets
Ras [1] Rho [1]
In vitro
In vitro Zoledronic acid inhibits osteoclast maturation indirectly by increasing OPG protein secretion and decreasing transmembrane RANKL expression in human osteoblasts. Treatment of primary human OB‐like cells with the potent nitrogen-containing BP, zoledronic acid (ZOL), resulted in a downregulation of membrane-ssociated RANKL protein expression. In addition to direct effects on cells of the osteoclast lineage, zoledronic acid may inhibit bone resorption by reducing transmembrane RANKL expression and increasing OPG secretion in osteoclast (OB)-like cells[1]. Zoledronic acid induces growth inhibition (IC50:10–50 μM) and apoptotic death of human pancreatic cancer cells. The proapoptotic effect was correlated to cleavage/activation of caspase-9 and poly(ADP)-ribose polymerase, but not of caspase-3. It interferes with growth and survival pathways downstream to p21ras[2]. Zoledronic acid is also a potent inhibitor of angiogenesis. In vitro, zoledronic acid inhibits proliferation of human endothelial cells stimulated with fetal calf serum, basic fibroblast growth factor (bFGF), and vascular endothelial growth factor (IC50 values 4.1, 4.2, and 6.9 μM, respectively), and modulates endothelial cell adhesion and migration. In cultured aortic rings and in the chicken egg chorioallantoic membrane assay, zoledronic acid reduces vessel sprouting. ZOL also exerted a concentration-dependent, biphasic effect on the adhesion and migration of HUVEC in vitro. ZOL concentrations of 1 and 3 μM increased cell adhesion but inhibited it at 30 and 100 μM. Similarly, cell migration was stimulated by 0.3 to 10 μM ZOL, whereas 30 μM completely inhibited it. These findings suggest that ZOL could interfere with cytoskeletal function in endothelial cells[4].
Cell Research Cell lines human PC cell lines (BxPC-3, CFPAC-1 and PANC-1)
Concentrations 1-100 μM
Incubation Time 72 h
Method

'BxPC-3 and CFPAC-1 are adherent human pancreatic adenocarcinoma cell lines that were grown in RPMI 1640 and Iscove's modified Dulbecco's media, respectively. PANC-1 is a human epithelioid pancreas carcinoma cell line that was grown in Dulbecco's modified Eagle's medium (DMEM). All media were supplemented with 10% heat-inactivated fetal bovine serum, 2 mM L-glutamine, 100 μg/ml streptomycin and 100 U/ml penicillin. All PC cell lines were cultured at a constant temperature of 37°C in a humidified atmosphere of 5% carbon dioxide (CO2). The neutralised sodium salt of ZOL was dissolved in sterile ddH2O and used at a final concentration in a range of 1-100 μM. Analysis of cell proliferation was performed on PC cells in the presence of increasing concentrations of ZOL by the MTT assay. Briefly, PC cells (3 × 104/well) were seeded in 96-well plates in serum-containing media and allowed to attach for 24 h. The medium was then removed and replaced with new medium containing ZOL at different concentrations. Cells were incubated under these conditions for a time course spanning 72 h. Then cells were incubated with 10 μl well−1 of thiazolyl blue (MTT, 5 mg/ml) for 1 h at 37°C. After incubation, 100 μl of 0.04 N HCl in isopropanol was added into each well and the absorbance was measured at a wavelength of 620 nm in a microplate reader.

In Vivo
In vivo Zoledronic acid affects breast cancer metastasis to visceral organs as well as bone[3]. When administered systemically to mice, zoledronic acid potently inhibits the angiogenesis induced by subcutaneous implants impregnated with bFGF [ED50, 3 μg/kg (7.5 nmol/kg) s.c.][4]. In nice transplanted with osteosarcoma (OS) cells, ZOL administration prevented osteolysis and significantly reduced the amount of OS-induced bone formation while has no effect on tumor burden at the primary site. ZOL failed to reduce lung metastasis and in some cases was associated with larger and more numerous metastatic lesions[5].
Animal Research Animal Models Female mice (strain Tiflbm:MAG)
Dosages 1, 10 and 100 μg/kg
Administration s.c.
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT05080790 Recruiting
Leiomyosarcoma
Institut für Klinische Krebsforschung IKF GmbH at Krankenhaus Nordwest|EUSA Pharma Inc.
November 15 2021 Phase 2
NCT04719481 Unknown status
Postmenopausal Osteoporosis
Peking University Third Hospital
November 2021 Phase 4
NCT04719650 Not yet recruiting
Postmenopausal Osteoporosis
Peking University Third Hospital
October 2021 Phase 4
NCT04034199 Unknown status
Idiopathic Inflammatory Myopathies|Osteoporosis Osteopenia
Kwong Wah Hospital|Tung Wah Group of Hospitals
August 15 2019 Phase 3
NCT03862833 Completed
Hematopoietic Stem Cell Transplantation
Nantes University Hospital
May 7 2019 Phase 1

Chemical Information & Solubility

Molecular Weight 290.1 Formula

C5H10N2O7P2.H2O

CAS No. 165800-06-6 SDF --
Smiles C1=CN(C=N1)CC(O)(P(=O)(O)O)P(=O)(O)O.O
Storage (From the date of receipt)

In vitro
Batch:

0.5MNAOH : 6.02 mg/mL

Water : 2.3 mg/mL

DMSO : 0.01 mg/mL ( (0.03 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)


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Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

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