Biology

Recent in Biology (page 22 of 28)

Bench & Beyond: Stimulating Sirtuins' Antiaging Appeal

Nicotinamide, the amide of niacin or vitamin B3, is used to treat arthritis. It also has demonstrated anti-inflammatory actions that may be of benefit in patients with inflammatory acne vulgaris. Nicotinamide, therefore, would appear to play a positive role in inhibiting inflammation but a negative role in aging. Are there other ways to stimulate sirtuins?

Sirtuins: A Breakthrough in Antiaging Research

This article reviews the first scientific evidence confirming the presence of sirtuins in the skin, as well as their role in cell survival, senescence and longevity. This vital discovery could lead the way to new and innovative types of antiaging cosmetic ingredients that activate sirtuins.

New Research Shows a Reverse in Skin Aging

Researchers at the Stanford University School of Medicine have reversed the effects of aging on the skin of mice...\\

Researchers Map Genes Causing Dandruff, Other Skin Conditions

Researchers sequence a fungus to shed light on the ways to fight dandruff and other skin conditions.

In Sight: Stimulating Stem Cells for Younger Skin

Stem cell research is a hot topic that cannot be ignored in today’s scientific realm. Its research may lead to the reversal of Parkinson’s and diabetes, to the growth of new organs, to strengthening bones and to healing damaged skin. The research of stem cells in conjunction with burn victims has led to innovation in another field—skin care.

Tech Edge: RNA Interference and Therapeutic Applications

Regular columnist Mindy Goldstein, PhD, welcomes this “Tech Edge” contribution from colleague Narendra Vaish, PhD, of Nastech Pharmaceutical Company.

Dermatological View: Allergic Contact Dermatitis to Linalool

This article reviews the published data on the allergenicity of linalool relating to its relative potency as a skin sensitizer. A semiquantitative evaluation of the different reports cited below has been made in accordance with the system outlined in Maibach et al., which is based on the procedures proposed by Benezra et al.2 and describes the scoring system used for assigning the degree of confidence in data reported.

Enzyme vs. Hormone

Industry expert Tony O'Lenick compares and contrasts enzymes and hormones, targets of increased interest in personal care innovating.

Tech Edge--Understanding Extracellular Proteolytic Enzymes

This article describes the mechanisms by which the activity of these proteinases is controlled, and suggests a modest goal for their safe and effective use in therapies for inflammatory injury to the skin.

Caffeine and Excercise May Ward Off Skin Cancer

A coffee habit, coupled with regular exercise, may help prevent skin cancers better than either factor alone, new research suggests.

A Dermatological View—Defining Clinically Relevant Fragrance Allergens: The Challenge

This article originally appeared in Exogenous Dermatology on pages 279–285 of volume 2 in 2003 and appears here in a modified version with permission from S. Karger, Basel.

Tech Edge--Glycation: Its Impact on Premature Skin Aging

This review and discussion will focus on the impact of the glycation process on skin aging only, and it will review the consequences in the healthy, nondiabetic population in order to maintain the relevance to the average user of cosmetic products.

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