What is DMSO toxicity?
Dimethyl sulfoxide (DMSO) is an important aprotic solvent that can solubilize a wide variety of otherwise poorly soluble polar and nonpolar molecules. This, coupled with its apparent low toxicity at concentrations <10%, has led to its ubiquitous use and widespread application.
What concentration of DMSO is toxic to cells?
DMSO is usually well tolerated with no observable toxic effects to cells at 0.1% final concentration (v/v). At 1% or higher, toxic effects have been reported.
What happens if you use too much DMSO?
Some side effects of taking DMSO by mouth or applying it to the skin include skin reactions, dry skin, headache, dizziness, drowsiness, nausea, vomiting, diarrhea, constipation, breathing problems, vision problems, blood problems, and allergic reactions. DMSO also causes a garlic-like taste, and breath and body odor.
Why is DMSO toxic at room temperature?
DMSO is toxic to the cells (and to the personnel) if high concentrations are used, and if the cells are exposed to DMSO for prolonged periods (e.g. 10% DMSO for several hours at room temperature). Because heat is generated when DMSO is dissolved in aqueous solutions, it cannot be added directly to the cells.
Is DMSO a carcinogen?
These authors postulated that DMSO could have an organo-tropic action, directing the carcinogenic effect of dibutyl-n-nitrosamine upon the lung. They also noted that dibutyl-n- nitrosamine diluted in cellulose oil failed to cause any tumors in the lung in another series of animals.
How long does DMSO stay in the body?
DMSO can persist in serum for more than 2 weeks after a single exposure.
Does DMSO cross the blood brain barrier?
DMSO reversibly crosses biological membranes without damaging them, including the blood-brain barrier. This property has led to its use as a vehicle for drug therapy.
At what temperature is DMSO toxic?
Dimethyl sulfoxide (DMSO) is a widely used intracellular cryoprotectant. Its small amphiphilic molecule fast penetrates through the cytoplasmic membrane. It is known that DMSO is toxic above 4°C but its effect on the hematopoietic stem cells is insufficiently studied.
Is DMSO toxic to cells at room temperature?
What are the side effects of DMSO?
Some side effects of taking DMSO include skin reactions, dry skin, headache, dizziness, drowsiness, nausea, vomiting, diarrhea, constipation, breathing problems, and allergic reactions. DMSO also causes a garlic-like taste and breath and body odor.
What does DMSO do to cells?
As a cryoprotective agent, DMSO is added to cell freezing medium to prevent the formation of ice crystals during the freezing process, otherwise cells would be destroyed and dead. It is commonly used in cell banking.
Is DMSO a neurotoxin?
Furthermore, there are several case reports that reveal severe neurotoxicity [14]–[18], encephalopathy [19]–[21] and transient global amnesia [22] associated with the infusion of DMSO-cryopreserved hematopoietic stem/progenitor cells. These results highly suggest that DMSO has neurological side effects and toxicity.
Why does DMSO penetrate skin?
In addition to its anti-inflammatory effects, DMSO possesses the ability to rapidly and easily penetrate the skin. DMSO serves as a carrier to enhance the penetration of various agents through the skin into underlying synovial, connective, and interstitial tissues.