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Đang hiển thị bài đăng từ Tháng 9, 2020

How to Cure Scalp Psoriasis Permanently ?

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Psoriasis affects 2%–5% of the population, and the scalp is a common site of involvement (up to 80%) . Different types of alopecia can occur in the setting of psoriasis: patchy or diffuse hair loss in areas of psoriasis, telogen effluvium, and scarring alopecia. The most common presentation (75%) is circumscribed hair loss within psoriatic plaques affecting the scalp. The diagnosis is based on the clinical, dermatoscopic, and histologic features that help distinguish psoriasis from seborrheic dermatitis, tinea capitis, and a more recently described entity of anti–tumor necrosis factor blocker–induced psoriasiform alopecia. The latter is characterized by psoriasiform plaques with or without alopecia most commonly in patients treated with infliximab or adalimumab for Crohn disease. A thorough clinical examination commonly reveals psoriasiform lesions outside the scalp. The scalp is the most commonly affected part of the body in patients with psoriasis. Signs and sym...

The Best Treatment for Nail Psoriasis

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  Psoriasis is a chronic, systemic inflammatory disease with a prevalence as high as 3.1% in the United States. In patients with psoriasis, dysregulation of the immune response is thought to result in a chronic imbalance in the production of proinflammatory and anti-inflammatory cytokines.Available therapies suppress inflammatory responses or target specific mediators implicated in the pathogenesis of psoriasis. However, long-term use of these therapies is often compromised by variable efficacy,safety, and tolerability issues,or need for administration via injection or infusion. Dermatologic signs and symptoms of psoriasis often occur in difficult-to-treat areas such as the nails and scalp. Nail involvement occurs in approximately 50% of patients with plaque psoriasis, with a lifetime incidence of 80% to 90%; scalp involvement affects up to 80% of patients with psoriasis. Involvement of these difficult-to-treat areas may have particularly detr...

Eosinophils and Nasal Polyps

Eosinophils are key effector cells in allergy and in other inflammatory diseases. Although they carry out their function in the tissues, no efficient method exists allowing for consistent purification of tissue eosinophils for culture. Rather, studies rely mainly on peripheral blood eosinophils. This study aimed to determine the most efficient protocol for purifying eosinophils from nasal polyp tissue. Nasal polyps were obtained from patients undergoing surgical polypectomy. The polyps were minced and enzymatically digested. Surface receptor analysis was performed by flow cytometry. In order to obtain optimal purification, the nasal polyp cell suspension was subjected to two methods of purification: 1) positive magnetic selection of CCR3 + cells, or 2) negative selection using CD3/CD14/CD16 magnetic beads. Enriched tissue eosinophils were cultured with or without IL-3, IL-5 or GM-CSF, and their survival was evaluated by flow cytometry Tissue-derived eosinophils e...

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