nPKCε, a P2Y2-R downstream effector in regulated mucin secretion from airway goblet cells

نویسندگان

  • Camille Ehre
  • Yunxiang Zhu
  • Lubna H. Abdullah
  • John Olsen
  • Keiichi I. Nakayama
  • Keiko Nakayama
  • Robert O. Messing
  • C. William Davis
چکیده

Camille Ehre, Yunxiang Zhu, Lubna H. Abdullah, John Olsen, Keiichi I. Nakayama, Keiko Nakayama, Robert O. Messing, and C. William Davis Cystic Fibrosis/Pulmonary Research and Treatment Center, Department of Cell and Molecular Physiology, University of North Carolina, Chapel Hill, North Carolina; Department of Molecular Genetics, Medical Institute of Bioregulation, Kyushu University, Fukuoda, Japan; and Ernest Gallo Clinic & Research Center, University of California-San Franciso, San Francisco, California

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Mucin secretion and PKC isoforms in SPOC1 goblet cells: differential activation by purinergic agonist and PMA.

SPOC1 cells, which are a mucin-secreting model of rat airway goblet cells, possess a luminal P2Y2 purinoceptor through which UTP, ATP, and ATPgammaS stimulate secretion with EC50 values of approximately 3 microM. PMA elicits mucin secretion with high EC50 (75 nM) and saturation (300 nM) values. For the first time in airway mucin-secreting cells, the PKC isoforms expressed and activated by a sec...

متن کامل

Barrier role of actin filaments in regulated mucin secretion from airway goblet cells.

Airway goblet cells secrete mucin onto mucosal surfaces under the regulation of an apical, phospholipase C/G(q)-coupled P2Y(2) receptor. We tested whether cortical actin filaments negatively regulate exocytosis in goblet cells by forming a barrier between secretory granules and plasma membrane docking sites as postulated for other secretory cells. Immunostaining of human lung tissues and SPOC1 ...

متن کامل

Ca21 and protein kinase C activation of mucin granule exocytosis in permeabilized SPOC1 cells

Scott, C. E., Lubna H. Abdullah, and C. William Davis. Ca21 and protein kinase C activation of mucin granule exocytosis in permeabilized SPOC1 cells. Am. J. Physiol. 275 (Cell Physiol. 44): C285–C292, 1998.—Mucin secretion by airway goblet cells is under the control of apical P2Y2, phospholipase C-coupled purinergic receptors. In SPOC1 cells, the mobilization of intracellular Ca21 by ionomycin ...

متن کامل

Ca2+ and protein kinase C activation of mucin granule exocytosis in permeabilized SPOC1 cells.

Mucin secretion by airway goblet cells is under the control of apical P2Y2, phospholipase C-coupled purinergic receptors. In SPOC1 cells, the mobilization of intracellular Ca2+ by ionomycin or the activation of protein kinase C (PKC) by phorbol 12-myristate 13-acetate (PMA) stimulates mucin secretion in a fully additive fashion [L. H. Abdullah, J. D. Conway, J. A. Cohn, and C. W. Davis. Am. J. ...

متن کامل

Entamoeba histolytica-Induced Mucin Exocytosis Is Mediated by VAMP8 and Is Critical in Mucosal Innate Host Defense

Intestinal mucus secretion is critical in maintaining mucosal host defense against a myriad of pathogens by preventing direct association with the epithelium. Entamoeba histolytica specifically binds colonic MUC2 mucin and also induces potent hypersecretion from goblet cells; however, characterization of the nature of the mechanisms controlling mucus release remains elusive. In this report, we ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2007