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Expression of protein kinase C isozymes in nonpregnant and pregnant human myometrium

Hurd, William W. ; Fomin, Victor P. ; Natarajan, Viswanathan ; Brown, Haywood L. ; Bigsby, Robert M. ; Singh, Dawn M.

American journal of obstetrics and gynecology, 2000-12, Vol.183 (6), p.1525-1531 [Periódico revisado por pares]

Philadelphia, PA: Mosby, Inc

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Título:
Expression of protein kinase C isozymes in nonpregnant and pregnant human myometrium
Autor: Hurd, William W. ; Fomin, Victor P. ; Natarajan, Viswanathan ; Brown, Haywood L. ; Bigsby, Robert M. ; Singh, Dawn M.
Assuntos: Biological and medical sciences ; Biological Transport - drug effects ; Cells, Cultured ; Female ; Fundamental and applied biological sciences. Psychology ; Human ; Humans ; Immunohistochemistry ; Isoenzymes - metabolism ; isozymes ; Labor, Obstetric - metabolism ; Mother. Fetoplacental unit. Mammary gland. Milk ; myometrium ; Myometrium - cytology ; Myometrium - metabolism ; Oxytocin - pharmacology ; pregnancy ; Pregnancy - metabolism ; Pregnancy. Parturition. Lactation ; protein kinase C ; Protein Kinase C - metabolism ; Reference Values ; Tetradecanoylphorbol Acetate - pharmacology ; Tissue Distribution - drug effects ; uterus ; Vertebrates: reproduction
É parte de: American journal of obstetrics and gynecology, 2000-12, Vol.183 (6), p.1525-1531
Descrição: Objective: The aim of this study was to compare the distributions of protein kinase C isozymes in human nonpregnant and pregnant myometrial tissues and primary cell cultures. Study Design: Myometrial tissues were obtained at hysterectomy from nonpregnant women and at cesarean delivery from women both before and during early labor at term. Western immunoblot analysis was performed on homogenates of myometrial tissues and primary cell cultures with monoclonal antibodies specific for protein kinase C isozymes. Redistribution and translocation of protein kinase C were examined by means of immunocytochemical methods. Results: Nonpregnant myometrial tissues contained protein kinase C isozymes α, γ, δ, μ, ι, and ζ but not β1, β2, θ, or ϵ. Pregnant myometrial tissues both before and during early labor contained the same protein kinase C isozymes and also β1 and β2. The protein kinase C isozyme distribution in primary myometrial cell cultures was identical to that in the myometrial tissues. Protein kinase C redistribution and translocation were demonstrated in these cultured myometrial cells. Conclusion: Both human myometrial tissues and primary cell cultures expressed a broad range of protein kinase C isozymes. Protein kinase C isozymes β1 and β2 were absent in nonpregnant myometrium but were induced during pregnancy. Labor at term did not alter protein kinase C isozyme expression. (Am J Obstet Gynecol 2000;183:1525-31.)
Editor: Philadelphia, PA: Mosby, Inc
Idioma: Inglês

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Expression of protein kinase C isozymes in nonpregnant and pregnant human myometrium

Hurd, William W. ; Fomin, Victor P. ; Natarajan, Viswanathan ; Brown, Haywood L. ; Bigsby, Robert M. ; Singh, Dawn M.

Philadelphia, PA: Mosby, Inc

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