Epithelia
R.J.Walters.
Ion channel
regulation in small intestinal crypts. Ph.D. Thesis. (1993).
Cambridge University Library.
A
basolateral K+ conductance modulated by carbachol dominates the membrane
potential of small intestinal crypts.
Pflugers Arch.
1991 Nov;419(5):537-9.
Regulatory
volume decrease in small intestinal crypts is inhibited by K+ and Cl- channel
blockers. Biochim
Biophys Acta. 1991 Dec 9;1070(2):501-4.
Membrane
conductance and cell volume changes evoked by vasoactive intestinal polypeptide
and carbachol in small intestinal crypts. Pflugers Arch. 1992 Sep;421(6):598-605.
Regulatory
volume increase after hypertonicity- or vasoactive-intestinal-peptide-induced
cell-volume decrease in small-intestinal crypts is dependent on Na(+)-K(+)-2Cl-
cotransport. Pflugers
Arch. 1993 Apr;423(1-2):67-73.
R.J.Walters, F.V.Sepulveda. Ca2+ and voltage-dependence of K+ channels in the crypt
basolateral membrane. Biophys.J.,
Abstract, W115, Baltimore 1996.
F.V.Sepulveda, R.J.Walters.
The stage of enterocyte differentiation determines resting potential and
agonist responses. Exp. Biol.'96, Washington D.C. abstract 3104, FASEB J.
Growth
factors
|
Stephens
L, Cooke FT, Walters R, Jackson T, Volinia S, Gout I, Waterfield MD, Hawkins
PT. |
Characterization
of a phosphatidylinositol-specific phosphoinositide 3-kinase from mammalian
cells. Curr
Biol. 1994 Mar 1;4(3):203-14.
P.T.Hawkins,
A.Eguinoa, R-G.Qiu, D.Stokoe, F.T.Cooke, R.Walters, S.Wennstrom,
L.Claesson-Welsh, T.Evans, M.Symons, L.Stephens. PDGF stimulates an increase in
GTP-Rac via activation of phosphoinositide-3-kinase. Current Biology, 5,
393-403 (1995).
Insulin and ATP stimulate actin polymerization in U937 cells by a wortmannin-sensitive mechanism. FEBS Lett. 1996 Aug 19;392(1):66-70.
Neuroscience
R.J.Walters, S.Nawy. Modulation of the
retinal On-bipolar cell mGluR6 cascade by phosphorylation. Soc. for
Neurosci. abstract, 435.2, San Diego 1995.
R.J.Walters. Seeing a change against the light:
how neural circuits are adapted in the retina. New York Science Times
Article, June 1996.
M.L.Chandler,
I.H.Pang, R.Doshi, E.M.Wexler, R.J.Walters, S.Nawy, L.DeSantis,
M.A.Kapin. In vitro and in vivo protective effects of eliprodil
in the retina. Investigative Ophthalmology and Visual Science 1997,
38, No.4, Pt1, p.725, Abstract
Regulation
of cGMP-dependent current in On bipolar cells by calcium/calmodulin-dependent
kinase. Vis
Neurosci. 1998 Mar-Apr;15(2):257-61.
Nawy, S.,
R.J.Walters. Modulation by PKA
of the responses to L-AP4 in retinal bipolar cells. Soc. for Neurosci.
abstract, 498.12, New Orleans, 1997.
Amin, J., Pollock,
V., Walters, R.J. A novel r1 GABA receptor channel with slowed
kinetics. ARVO Abstract, Ft.Lauderdale, FL, May, 2000.
Benzodiazepines
act on GABAA receptors via two distinct and separable mechanisms. Nat Neurosci. 2000
Dec;3(12):1274-81.
Walters,
R.J., Amin, J. Slowed kinetics of r1 receptors upon substitution at S439 correlate
positively with both side chain volume and hydrophobicity (in preparation).
Brandt, M.V., Walters, R.J., Willenberg, H.S, Scherbaum, W.A., Bornstein, S.R. Nerve Growth Factor Increases Expression of Tyrosine Hydroxylase in Serum-Starved PC12 Pheochromocytoma Cells. Endocrine Soc. Abst., San Francisco, 2002.
Walters, R.J., Rosenbaum, C, Willenberg, H.S., Ehrhart-Bornstein, M, Muller, H-W, Siebler, M., Scherbaum, W.A., Bornstein, S.R. Insulin Induces Increased Expression and Focal Clustering of GABA-A Receptors in PC12 Cells. Endocrine Soc. Abst. (platform), San Francisco, 2002.
Walters, R.J., Rosenbaum, C., Willenberg H.S., Scherbaum, W.A., Bornstein S.R. "Insulin, Nerve Growth Factor and
PACAP modulate the expression of GABAA subunits in PC12 Cells" Neuroscience-Net 2002-1.
Ca2+ channels Walters, RJ. Synergistic activation of
G- and L-type Ca2+ channels by D-glucose and membrane depolarization
in pancreatic b-cells. Soc.for
Neurosci. Abstract (plat), New Orleans, 2000. AIDS/HIV R.J.Walters. A fourth strategy to contain
the threat of HIV and AIDS? New York Science Times Article February 1996.
Illustration is of crypt Paneth Cells in a section of small intestine stained
with phloxine-tartrazine
