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Doxycycline hydrochloride

Catalog No. T1140 CAS 10592-13-9

Synonyms: Doxylin, Vibramycin, Hyclate

Doxycycline hydrochloride (Hyclate) is a synthetic tetracycline derivative with similar antimicrobial activity.

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Doxycycline hydrochloride Chemical Structure

Doxycycline hydrochloride, CAS 10592-13-9

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Purity: 95.16%

Biological Description

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Storage & Solubility Information

Description	Doxycycline hydrochloride (Hyclate) is a synthetic tetracycline derivative with similar antimicrobial activity.
In vitro	In Wistar rats, daily administration of Doxycycline (25 mg) effectively inhibits the structural degradation of aortic elastin, diminishes the activity of matrix metalloproteinases MMP-2 and MMP-9 in the arterial wall, and consequently reduces the replication of smooth muscle cells in the intima.
In vivo	Doxycycline (50 μM) downregulates the expression of MMP-8 at both mRNA and protein levels in rheumatoid synovial fibroblasts and endothelial cells while completely inhibiting the degradation of type II collagen. Additionally, in corneal epithelial cells, doxycycline suppresses the increase in mRNA and protein levels of IL-1β induced by lipopolysaccharide.
Kinase Assay	Gelatin (0.1% (w/v) is added to standard LaemmLi acrylamide polymerization mixture. Tissue extract is mixed 1:2 with sample buffer [250 mM Tris-Cl pH 6.8, 10% (w/v) SDS, 20% (v/v) glycerol, 0.005% (w/v) bromphenol blue]. Serum is diluted 1:10 with electrophoresis buffer (2.5 mM Tris, 20 mM glycine, 0.005% SDS) and mixed 1:2 with sample buffer. Twenty μLs are loaded after 10-min incubation at room temperature without boiling. After electrophoresis at 90 V, the gels are soaked in 2.5% (w/v) Triton X-100, incubated 2 to 3 days at 37°C in gelatin digestion buffer [50 mM Tris-Cl, pH 8.0, 8 mM CaCl2, 10 mM ZnSO2, 0.02% (w/v) NaN3], stained in 0.05% Coomassie blue R-250 in acetic acid/methanol/water (1:4.5:4.5 by volume), destained in 10% acetic acid and 5% methanol, and scanned for lysis band intensity. The lysis band intensity is proportional to gelatinase activity and is quantified densitometrically by using One-Dimensional Scan software. The result, a number between 0.07 and 3.75, is normalized to the protein content by dividing the densitometry result with the relative optical density from the BCA protein assay kit result. The result is used for the analysis as the arbitrary unit. For the total MMP activity results of lysis bands of pro-MMP-9, active MMP-9, pro-MMP-2, and active MMP-2 are added. A protein size marker is used to determine the correct size.
Cell Research	Doxycycline is diluted in culture medium at a concentration of 10 μg/mL. All in vitro treatments are performed in SMC cultures at 90% confluence, when ECM synthesis in SMC starts to be evident. Doxycycline (20 nM) is diluted in culture medium at a concentration of 10 μg/mL (20 nM), at which no toxicity or variation in primary cultured SMC proliferation has been reported, as well as in other cell lines and the incubation time is 48 h. SMC-C and SMC-Ch are seeded at equal cell density in 6-well plates and, when confluence reaches 90%, 1 mL culture medium is added to each well containing 3.7×104?Bq L-[5-H3]-proline (9.62×1011 Bq/mmol). After 48?h incubation, cells are lysed with 0.5 mL 0.5 mol/L NaOH for 1 h. The resulting solution is neutralized with an equal amount of 0.5 mol/L HCl, and 50 μL are used to measure total proteins with the Bradford method. One volume of 10% TCA is added to the remaining 250 μL and centrifuged at 13,000 g for 15?min at 4°C. The resulting precipitate is dissolved in 100 μL 0.2 mol/L NaOH, and then neutralized with 1 mol/L HCl. The solution is incubated with collagenase buffer (Tris-HCl, pH 7.6 20 mM, and CaCl2 250 mM final concentration) and 10 units of collagenase at 37°C overnight. Then, 150 μL 10% TCA are added and centrifuged at 13000 g for 15?min at 4°C. The resulting supernatant is added to 4 mL of scintillation fluid and the radioactivity is measured in a liquid scintillation counter LS 600 TA.

Synonyms	Doxylin, Vibramycin, Hyclate
Molecular Weight	480.9
Formula	C22H24N2O8·HCl
CAS No.	10592-13-9

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

Solubility Information

DMSO: 10 mM

References and Literature

1. Wilfried Briest, et al. Doxycycline ameliorates the susceptibility to aortic lesions in a mouse model for the vascular type of Ehlers-Danlos syndrome. J Pharmacol Exp Ther. 2011 Jun;337(3):621-7. 2. Zhang N, et al. The PK/PD Interactions of Doxycycline against Mycoplasma gallisepticum. Front Microbiol. 2016 May 4;7:653. 3. Trajano VC, et al. Osteogenic activity of cyclodextrin-encapsulated doxycycline in a calcium phosphate PCL and PLGA composite. Mater Sci Eng C Mater Biol Appl. 2016 Jul 1;64:370-5. 4. Palomino-Morales R, et al. Inhibition of extracellular matrix production and remodeling by doxycycline in smooth muscle cells. J Pharmacol Sci. 2016 Mar 25. Epub ahead of print 5. Shu W J, Chen R, Yin Z H, et al. Rph1 coordinates transcription of ribosomal protein genes and ribosomal RNAs to control cell growth under nutrient stress conditions. Nucleic Acids Research. 2020, 48(15): 8360-8373.

Citations

1. Shu W J, Chen R, Yin Z H, et al. Rph1 coordinates transcription of ribosomal protein genes and ribosomal RNAs to control cell growth under nutrient stress conditions. Nucleic Acids Research. 2020, 48(15): 8360-8373

Related compound libraries

This product is contained In the following compound libraries：

Anti-Cancer Approved Drug Library Anti-Cancer Active Compound Library Anti-Cancer Drug Library Anti-Cancer Clinical Compound Library FDA-Approved Drug Library Anti-Bacterial Compound Library

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Ginkgolide C S-methyl-KE-298 BMS-561392 Formic acid NSC 405020 BT1718 TNO211 Batimastat Isoangustone A

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Keywords

Doxycycline hydrochloride 10592-13-9 Microbiology/Virology Proteases/Proteasome MMP Antibacterial Antibiotic Inhibitor Matrix metalloproteinases Doxylin LNT-229 G55 inhibit 293T U343 Doxycycline anti-proliferative activity Doxycycline Hydrochloride MCF 12A Bacterial antibacterial activity Vibramycin Hyclate SVG inhibitor

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