management of acne (part-1)
DESCRIPTION
Acne, medically known as Acne Vulgaris, is a skin disease that involves the oil glands at the base of hair follicles. For more detailed study take look at "Management of Acne".TRANSCRIPT
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Management of Acne – 1Management of Acne – 1 where do we stand ? where do we stand ?
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IntroductioIntroductionn
• Common disease of pilosebaceous unit Common disease of pilosebaceous unit in adolescentin adolescent((PhysiologicPhysiologic).).
• Its cause is multi factorial & has Its cause is multi factorial & has pleomorphic clinical presentation.pleomorphic clinical presentation.
• Different modality of treatment are Different modality of treatment are available, but selection of appropriate available, but selection of appropriate method is method is Vital.Vital.
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NaturalNatural historyhistory
• Starts at adolescent-resolve by mid-twentiesStarts at adolescent-resolve by mid-twenties
• 83-95% suffers - at about 14-19years of age83-95% suffers - at about 14-19years of age
• 8% late onset acne - 0ver 25years age8% late onset acne - 0ver 25years age
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Intro FactorsductionIntro Factorsduction
• Genetics Genetics • EnvironmentalEnvironmental• Sebum- Sebum- 1.Triglycride is hydrolysed by P.acnes to 1.Triglycride is hydrolysed by P.acnes to free fatty acidfree fatty acid, ,
2. increased 2. increased squalenesqualene,& 3.decreased ,& 3.decreased Linoleic acidLinoleic acid
• P.acnes- P.acnes- lipase, phosphatase & hyaluronate lyaselipase, phosphatase & hyaluronate lyase
• Ductal keratinocyte- Ductal keratinocyte- IL-1IL-1,IL-1,IL-1ββ, TNF , TNF
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Major pathological events in acneMajor pathological events in acne
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Special features of pilosebaceous unitSpecial features of pilosebaceous unit
• Propionibacterium acnesPropionibacterium acnes -unique composition of sebum-unique composition of sebum
• Release of Release of IL-1IL-1,IL-1,IL-1ββ, TNF from ductal keratinocytes, TNF from ductal keratinocytes
• Androgen receptors Androgen receptors – Keratinocytes of hair follicle & Basal – Keratinocytes of hair follicle & Basal cells of sebaceous unitcells of sebaceous unit
• Follicular keratinocytes has – Follicular keratinocytes has – increasedincreased 1717ββ-hydroxysteroid dehydrogenase -hydroxysteroid dehydrogenase && 5-reductase5-reductase
activity (Type-I isoenzymeactivity (Type-I isoenzyme))[[pivotal in development of pivotal in development of
sebaceous gland and acnesebaceous gland and acne]]
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Factors responsible for Factors responsible for Keratinocyte hyperproliferationKeratinocyte hyperproliferation
• Androgenic hormone Androgenic hormone Dihydrotestosterone (DHT)Dihydrotestosterone (DHT)
• Decrease Linoleic acidDecrease Linoleic acid
• Increased Interleukin (IL)-1 Increased Interleukin (IL)-1
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Management of Acne Part – 2 (Coming Management of Acne Part – 2 (Coming Soon) Soon)
THANK YOUTHANK YOU
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