Home » Health » Blocking mast cell function with tranilast can prevent or minimize postacne scarring, according to an article in The Journal of Clinical and Aesthetic Dermatology. Mast cells’ role in acne scar development has received little attention, despite acne being the most common skin condition in the US, affecting up to 50 million Americans a year. The study’s author said more research is needed on mast cell chemical mediators in acne scarring. Treatment for depressed acne scars includes chemical peeling and microdermabrasion, while for raised scars it can include injections, surgery and silicone dressings.

Blocking mast cell function with tranilast can prevent or minimize postacne scarring, according to an article in The Journal of Clinical and Aesthetic Dermatology. Mast cells’ role in acne scar development has received little attention, despite acne being the most common skin condition in the US, affecting up to 50 million Americans a year. The study’s author said more research is needed on mast cell chemical mediators in acne scarring. Treatment for depressed acne scars includes chemical peeling and microdermabrasion, while for raised scars it can include injections, surgery and silicone dressings.

Severe acne can be both emotionally and physically challenging, leaving many individuals with permanent scarring. The formation of acne scars is a result of inflammation and tissue damage that occurs when the skin tries to repair itself from the trauma caused by severe acne. Recent research suggests that controlling mast cell activation may help prevent scarring in severe acne. This article explores the role of mast cells in acne scarring and potential treatment options for those struggling with severe acne.


Acne is a common skin condition that affects millions of Americans each year, and for some, results in scarring that can have a severe impact on their quality of life. Mast cells, which play a role in allergic reactions, have been found to contribute to the development of acne scars, and a new study published in The Journal of Clinical and Aesthetic Dermatology suggests that controlling mast cell activation with the medication tranilast can prevent or minimize scarring.

Tranilast, which has been approved in Japan for more than 30 years, regulates mast cell-derived mediators, such as transforming growth factor-β1, which enhances collagen synthesis in hypertrophic scar tissue. The medication has shown promise when used in combination with antibiotics to treat severe acne and prevent the formation of new scars.

While many topical and systemic antibiotics exist to treat acne vulgaris, the condition is not fully treatable due to its underlying causes, which include clogged pores, dead skin, oils, and bacteria. Individuals with a genetic predisposition to acne may also be particularly susceptible to the condition.

Research has found that early stage acne lesions contain activated mast cells producing interleukin-17, and that the number of mast cells increases in inflammatory acne lesions. Mast cells can also influence inflammatory reactions on the sebaceous glands, which can result in scar formation. However, because acne normally occurs on the face, examining the lesioned tissue can be difficult, and mast cells in acne may not always be histopathologically examined and confirmed.

Currently, a range of treatments exist for acne scarring, including acne scar surgery, chemical peeling, dermabrasion, microdermabrasion, injections, surgery, laser therapy, scar creams, gels, and silicone dressings.

More research is needed to understand how mast cell chemical mediators are involved in acne scarring, but the study’s authors assert that greater attention should be paid to the involvement and control of mast cells in the development of scarring in severe acne.

In the meantime, tranilast offers a potential therapeutic strategy for individuals with severe acne who are at risk of scarring, and could improve their quality of life by minimizing the aesthetic damage caused by this common condition.


In conclusion, understanding the role of mast cells in severe acne and scarring may lead to new treatment options for this chronic and often frustrating condition. By targeting mast cell activation, it may be possible to prevent the formation of scar tissue and improve overall skin health. While more research is needed to fully understand the mechanisms at play, there is hope that these findings may lead to a brighter future for those who suffer from severe acne. In the meantime, it is important to work closely with a healthcare provider to develop an effective treatment plan that addresses the unique needs of each individual.

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