Perillyl alcohol
Perillyl alcohol has potential chemopreventive, and antileukemia activities, it can suppress antigen-induced immune responses in the lung, it could be a novel preventive or therapeutic option for immunologic lung disorders such as asthma with minimal side effects. Perillyl alcohol can suppress antigen-induced immune responses in the lung, it could be a novel preventive or therapeutic option for immunologic lung disorders such as asthma with minimal side effects.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Int. Res., 2002, 443(5):266-71.
Perillyl alcohol suppresses antigen-induced immune responses in the lung.[Pubmed:
24309112 ]
Perillyl alcohol (POH) is an isoprenoid which inhibits farnesyl transferase and geranylgeranyl transferase, key enzymes that induce conformational and functional changes in small G proteins to conduct signal production for cell proliferation. Thus, it has been tried for the treatment of cancers. However, although it affects the proliferation of immunocytes, its influence on immune responses has been examined in only a few studies. Notably, its effect on antigen-induced immune responses has not been studied.
METHODS AND RESULTS:
In this study, we examined whether POH suppresses Ag-induced immune responses with a mouse model of allergic airway inflammation. POH treatment of sensitized mice suppressed proliferation and cytokine production in Ag-stimulated spleen cells or CD4(+) T cells. Further, sensitized mice received aerosolized OVA to induce allergic airway inflammation, and some mice received POH treatment. POH significantly suppressed indicators of allergic airway inflammation such as airway eosinophilia. Cytokine production in thoracic lymph nodes was also significantly suppressed.
CONCLUSIONS:
These results demonstrate that POH suppresses antigen-induced immune responses in the lung. Considering that it exists naturally, POH could be a novel preventive or therapeutic option for immunologic lung disorders such as asthma with minimal side effects.
Cancer Res., 1998, 58(4):711-6.
Inhibitory effects of perillyl alcohol on UVB-induced murine skin cancer and AP-1 transactivation.[Pubmed:
9485025]
The monoterpene Perillyl alcohol (POH) has proven efficacious against the formation and progression of a variety of cancers.
METHODS AND RESULTS:
In this study, we tested the ability of POH to inhibit photocarcinogenesis in a nonmelanoma model of mouse skin carcinogenesis and its ability to inhibit UVB-induced activator protein 1 (AP-1) transactivation in mouse skin and human keratinocytes. POH (10 mM) was applied topically to the ears and shaved dorsal surface of groups of 35 BALB/c mice throughout the experiment, during and after UVB treatment. Topical POH significantly inhibited tumor incidence and multiplicity, average tumor size, and the average tumor burden/mouse without any apparent toxicity. POH inhibited UVB-induced AP-1 transactivation in both cultured human keratinocytes and transgenic mice that stably express a luciferase reporter driven by AP-1 elements.
CONCLUSIONS:
The results suggest that POH might be used for chemoprevention of human skin cancer, and that inhibition of AP-1 activity is functionally related to inhibition of skin carcinogenesis.
