Home Apoptosis TNF-alpha inhibitor - ROS inhibitor - NF-κB inhibitor - Apoptosis related activator - Ferroptosis inhibitor - Antiviral inhibitor Acetylcysteine (N-acetylcysteine) For research use only.

Acetylcysteine (N-acetylcysteine)

Synonyms: N-acetylcysteine

Acetylcysteine (N-acetyl-l-cysteine, NAC,N-acetylcysteine) is a ROS(reactive oxygen species) inhibitor that antagonizes the activity of proteasome inhibitors. It is also a tumor necrosis factor production inhibitor. Acetylcysteine(N-acetyl-l-cysteine) suppresses TNF-induced NF-κB activation through inhibition of IκB kinases. Acetylcysteine(N-acetyl-l-cysteine) induces apoptosis via the mitochondria-dependent pathway. Acetylcysteine(N-acetyl-l-cysteine) inhibits ferroptosis and virus replication.Solutions are unstable and should be fresh-prepared.

Acetylcysteine (N-acetylcysteine) Chemical Structure

Acetylcysteine (N-acetylcysteine) Chemical Structure

CAS: 616-91-1

Selleck's Acetylcysteine (N-acetylcysteine) has been cited by 178 publications

Purity & Quality Control

Batch: Purity: 99.97%
99.97

Products often used together with Acetylcysteine (N-acetylcysteine)

Ciprofloxacin

Acetylcysteine and Ciprofloxacin therapy is used as an alternative therapeutic option for Partial Biliary Obstruction.

Ozdil B, et al. J Clin Pharmacol. 2010 Dec;50(12):1414-9.

Tigecycline

Acetylcysteine and Tigecycline significantly decrease all viable biofilm-associated bacteria.

Aslam S, et al. Antimicrob Agents Chemother. 2007 Apr; 51(4): 1556–1558.

Prostaglandin E2 (PGE2)

Acetylcysteine and Prostaglandin E2 synergistically reduce apoptosis, improve liver enzymes, and prevent death.

North TE, et al. Proc Natl Acad Sci U S A. 2010 Oct 5;107(40):17315-20.

Colistin

Acetylcysteine and Colistin exhibit in vitro synergism against Stenotrophomonas maltophilia.

Ciacci N, et al. Antibiotics (Basel). 2019 Jul 25;8(3):101.

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Cell Data

Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
HUVEC cells Function assay 10μM 2h HUVECs were pretreated with 10 μM NAC for 2 hours, and then treated with 0.5 μM PCB 118. presentce of NAC for 48 hours. 28592194
HUVEC cells Function assay 2μM,4μM,8μM 90min HUVECs that were exposed with serum of P. falciparum and treated with NAC 2 µM，4 µM，8 µM. Supernatant from culture and lysed cells culture were measured for H2O2, GSH and MDA levels. 21602763
BL21 (DE3) Function assay 30 mins Inhibition of hexahistidine-tagged IMP-7 (unknown origin) expressed in Escherichia coli BL21 (DE3) cells using fluorocillin as substrate incubated for 30 mins by TECAN fluorescent plate reader analysis, IC50 = 20.7 μM. 25815530
PC12 Cytotoxicity assay 24 hrs Inhibition of 6-hydroxydopamine induced cytotoxicity in rat PC12 cells pretreated for 24 hrs assessed as elevation of intracellular glutathione level 17158454
PC12 Cytotoxicity assay 24 hrs Inhibition of hydrogen peroxide induced cytotoxicity in rat PC12 cells pretreated for 24 hrs assessed as elevation of intracellular glutathione level 17158454
NHBE Cytotoxicity assay 1 mM 18 hrs Cytoprotective activity in NHBE cells assessed as inhibition of tBHP-induced GSH depletion at 1 mM preincubated for 18 hrs followed by tBHP addition for 4 hrs by thiostar dye based fluorescence assay 27031670
HUVEC Antioxidant assay 5 mmol/L 4 hrs Antioxidant activity against H2O2-induced lipid accumulation in HUVEC cells assessed as reduction in MDA level at 5 mmol/L incubated 4 hrs prior to H2O2 challenge measured after 12 hrs 22841280
HUVEC Antioxidant assay 5 mmol/L 4 hrs Antioxidant activity in HUVEC cells assessed as reduction in H2O2-induced GSH activity at 5 mmol/L incubated 4 hrs prior to H2O2 challenge measured after 12 hrs 22841280
HUVEC Cytotoxicity assay 5 mmol/L 4 hrs Inhibition of H2O2-induced cytotoxicity in HUVEC cells assessed as cell viability at 5 mmol/L incubated 4 hrs prior to H2O2 challenge measured after 12 hrs by MTT assay 22841280
HUVEC Cytotoxicity assay 5 mmol/L 4 hrs Inhibition of H2O2-induced cytotoxicity in HUVEC cells assessed as LDH release at 5 mmol/L incubated 4 hrs prior to H2O2 challenge measured after 12 hrs by LDH assay 22841280
SH-SY5Y Neuroprotective assay 5 mM 4 hrs Neuroprotective activity in H2O2-stimulated human SH-SY5Y cells assessed as upregulation of Bax expression at 5 mM incubated for 4 hrs prior to H2O2 challenge measured after 12 hrs by Western blotting analysis 23403085
SH-SY5Y Neuroprotective assay 5 mM 4 hrs Neuroprotective activity in H2O2-stimulated human SH-SY5Y cells assessed as downregulation of Bcl2 expression at 5 mM incubated for 4 hrs prior to H2O2 challenge measured after 12 hrs by Western blotting analysis 23403085
HT22 Neuroprotective assay 5 mM 24 hrs Neuroprotective activity against glutamate-induced cell death in mouse HT22 cells assessed as increase in cell viability at 5 mM after 24 hrs by MTT assay 29122481
HT22 Neuroprotective assay 50 uM 10 to 12 hrs Neuroprotective activity against glutamate-induced cell death in mouse HT22 cells assessed as reduction in apoptotic cells at 50 uM after 10 to 12 hrs by Annexin V-alexa 488/propidium iodide staining based flow cytometry 29122481
HL-7702 Hepatoprotective assay 10 uM 24 hrs Hepatoprotective activity against APAP-induced cell injury in human HL-7702 cells assessed as increase in survival rate at 10 uM pre-incubated for 24 hrs before APAP addition and measured 6 hrs post APAP challenge by MTT assay 28729056
Click to View More Cell Line Experimental Data

Biological Activity

Description Acetylcysteine (N-acetyl-l-cysteine, NAC,N-acetylcysteine) is a ROS(reactive oxygen species) inhibitor that antagonizes the activity of proteasome inhibitors. It is also a tumor necrosis factor production inhibitor. Acetylcysteine(N-acetyl-l-cysteine) suppresses TNF-induced NF-κB activation through inhibition of IκB kinases. Acetylcysteine(N-acetyl-l-cysteine) induces apoptosis via the mitochondria-dependent pathway. Acetylcysteine(N-acetyl-l-cysteine) inhibits ferroptosis and virus replication.Solutions are unstable and should be fresh-prepared.
Targets
NF-κB [8] Ferroptosis [9] ROS [6] TNF-α [7]
In vitro
In vitro

N-acetylcysteine inhibits activation of c-Jun N-terminal kinase, p38 MAP kinase and redox-sensitive activating protein-1 and nuclear factor kappa B transcription factor activities regulating expression of numerous genes. N-acetylcysteine can also prevent apoptosis and promote cell survival by activating extracellular signal-regulated kinase pathway, a concept useful for treating certain degenerative diseases. N-acetylcysteine directly modifies the activity of several proteins by its reducing activity. [1]

N-acetylcysteine prevents apoptotic DNA fragmentation and maintains long-term survival in the absence of other trophic support in serum-deprived PC12 cells. N-acetylcysteine also prevents death of PC12 cells and sympathetic neurons. [2]

N-acetylcysteine causes dose-dependent reductions in viability in rat and human aortic smooth muscle cells. [3]

N-acetylcysteine activates the Ras-extracellular signal-regulated kinase (ERK) pathway in PC12 cells. N-acetylcysteine protects neuronal cells from death evoked by withdrawal of trophic support. N-acetylcysteine increases nitric oxide (NO) release from protein-bound stores in vascular tissue. N-acetylcysteine pretreatment of PC12 cells interferes with NGF-dependent signaling and neurite outgrowth, and it was suggested that NAC interferes with redox-sensitive steps in the NGF mechanism. [4]
Cell Research Cell lines MCF cells
Concentrations 5 mM
Incubation Time 24 h
Method

Cells were treated with indicated concentration of drug for 24 h.
In Vivo
In vivo

N-acetylcysteine improves cognition of 12-month-old SAMP8 mice in both the T-maze footshock avoidance paradigm and the lever press appetitive task without inducing non-specific effects on motor activity, motivation to avoid shock, or body weight. [5]
Animal Research Animal Models Male SAMP8 mice
Dosages 100 mg/kg
Administration s.c.
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06112834 Not yet recruiting Botulism California Department of Public Health June 2024 Phase 2
NCT04520139 Not yet recruiting Ovarian Cancer|Cognitive Impairment University of California Irvine|Jarrow Formulas Inc December 2023 Phase 1|Phase 2
NCT06039280 Not yet recruiting Hepatocellular Carcinoma Institute of Liver and Biliary Sciences India September 15 2023 Not Applicable

Chemical lnformation & Solubility

Molecular Weight 163.19 Formula

C5H9NO3S
CAS No. 616-91-1 SDF Download Acetylcysteine (N-acetylcysteine) SDF
Smiles CC(=O)NC(CS)C(=O)O
Storage (From the date of receipt) 3 years -20°C powder Solutions are unstable. Prepare fresh or purchase small, pre-packaged sizes. Repackage upon receipt.

In vitro
Batch:

DMSO : 32 mg/mL ( (196.09 mM)； Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Water : 32 mg/mL

Ethanol : 32 mg/mL


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In vivo
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