Patent Picks—Sunscreen Particles, Delaying Senescence, Skin Repair and More

By: Rachel L. Grabenhofer

Posted: March 15, 2011

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Cells can become senescent prematurely as a result of stressful events such as exposure to toxins, UV radiation or other oxidative events. Disclosed in this patent is a composition for delaying cellular senescence, comprising from about 0.01-5.0% w/w hexapeptide-11(Phe-Val-Ala-Pro-Phe-Pro) and a dermatologically acceptable carrier for the peptide selected from the group consisting of: water, oil, alcohol, silicone and combinations thereof.

Substances and compositions for enhancing DNA repair and methods of use
US Patent Application 20110044921
Publication date: Feb. 24, 2011
Assignee: Cornell University

The invention provides for methods of preventing or treating conditions associated with DNA damage involving the administration of a substance that interferes with the activity of the CUL4A ubiquitin ligase. The invention also discloses s a substance that interferes with the activity of CUL4A, as well as compositions comprising the substance and a carrier. Further, it provides methods of identifying substances that negatively or positively modulate the expression and/or activity of CUL4A.

Oral preventive/therapeutic agent for skin damage containing diacylglyceryl ether
US Patent 7906557
Publication date: March 15, 2011
Assignee: Maruha Nichiro Seafoods Inc.

Disclosed in the present patent is an oral preventive or therapeutic agent for skin damage containing diacylglyceryl ether as an active ingredient. To protect skin from UV rays, many external cosmetics and sunscreen agents have been conventionally developed. However, according the inventors, it has been indicated that the long-term use of these chemical substances or metals may have adverse effects, for example, by stimulating skin. Accordingly, a safe and secure means and/or method for protecting skin from UV damage is desired.