Tuesday, april 27 anatomy - Experimental Biology

tuesday
1026. Control of Breathing: Chemoreception
Poster
Tu e. 7:30 a m—An a h e i m Co n v e n t i o n Ce n t e r, Ex h i b it Ha l l CD
Presentation time: 12:45 p m-3:00 p m
D669 1026.1 Role of pH regulatory components in the
transduction response of central CO 2
chemoreceptors. J.M.
Cordovez, C. Clausen, L.C. Moore and I.C. Solomon. Stony
Brook Univ. and Univ. of los Andes, Colombia.
D670 1026.2 Connexin 26 is responsible for ATP release
underlying central CO 2
chemosensitivity. R.T.R. Huckstepp,
R.C. Eason, R. id Bihi, N. Dicke, K. Willecke, K.M. Spyer,
A.V. Gourine and N. Dale. Warwick Univ., U.K., Univ. of Bonn
and University Col. London.
D671 1026.3 The bullfrog neuroventilatory response to
hypercapnia is unaffected by cannabinergic potentiation. N.B.
Bajada, C.M. Brundage and B.E. Taylor. Univ. of Alaska
Fairbanks.
D672 1026.4 Leptin deficiency impairs hypercapnic
ventilatory responses independently of changes in body weight.
M. Bassi, J.M. do Carmo, S. Hamza and J.E. Hall. Univ. of
Mississippi Med. Ctr.
D673 1026.5 Modulation of neuroventilation and central
chemosensitivity: serotonergic and hypocretinergic effects.
A.E. Corcoran, G.B. Richerson and M.B. Harris. Dartmouth
Med. Sch., Yale Univ. and Univ. of Alaska Fairbanks.
D674 1026.6 Chronic administration of fluoxetine markedly
attenuates the hypercapnic ventilatory response in urethaneanesthetized
female mice. T.A. Bale and I.C. Solomon. Stony
Brook Univ.
D675 1026.7 Raphe serotonin neurons: characteristics of
central chemoreceptors in situ. K.E. Iceman, A.E. Corcoran
and M.B. Harris. Univ. of Alaska Fairbanks and Dartmouth
Med. Sch.
D676 1026.8 The orexin receptor 1 in the rostral medullary
raphe contributes to the hypercapnic chemoreflex in
wakefulness, during the dark (active) period of the diurnal
cycle. M.B. Dias, A. Li and E.E. Nattie. Dartmouth Med. Sch.
D677 1026.9 Effects of bilateral inhibition of retrotrapezoid
nucleus on breathing in conscious rats. A.C. Takakura, T.S.
Moreira, P.M. De Paula, J.V. Menani and E. Colombari. São
Paulo State Univ., Araraquara, Univ. of São Paulo and Fed.
Univ. of São Paulo.
D678 1026.10 Photostimulation of channelrhodopsintransfected
rostral medullary Phox2b-expressing neurons
activates breathing in unaesthetized rats. R. Kanbar, R.L.
Stornetta, S.J. Lewis and P.G. Guyenet. Univ. of Virginia.
D679 1026.11 Changes on respiratory chemosensitivity after
vagotomy in rats. T.S. Moreira and A.C. Takakura. Univ. of São
Paulo and São Paulo State Univ., Araraquara.
D680 1026.12 Focal acidification of the caudal ventrolateral
medulla (Loeschcke’s area) increases ventilation during
wakefulness but not in sleep. G.S.F. Silva, A. Li and E. Nattie.
Dartmouth Med. Sch.
D681
1026.13 NK-1 receptors expressing neurons in the locus
coeruleus play a role in cardiorespiratory response to CO 2
. L.H.
Gargaglioni, D. de Carvalho, K.C. Bicego, G.S. Ferreira da
Silva, O.W. Castro and N. Garcia-Cairasco. FCAVJ-São Paulo
State Univ. and FMRP-Univ. of São Paulo, Ribeirão Preto.
pHysiology
D682 1026.14 Further evidence of redox modulation of
neurons in a CO 2
-chemosensitive area: normobaric hyperoxia
(95%O 2
) stimulates CO 2
-chemosensitive and –insensitive
neurons in the solitary comple. M.P. Matott, C.S. Landon,
R.W. Putnam and J.B. Dean. Univ. of South Florida and Wright
State Univ.
D683 1026.15 The effect of hypoxia on the ventilatory and
cerebral blood flow responses to CO 2
. A. Battisti, J. Fisher
and J. Duffin. Univ. of Toronto and Toronto Gen. Hosp.
D684 1026.16 Oxygen transport from air to cell: the impact of
age. M. Amann, D.W. Wray, C. Wary, A. Monnet, P.G. Carlier
and R.S. Richardson. Univ. of Utah, Pitié-Salpêtrière Univ.
Hosp., Paris and VA Med. Ctr., Salt Lake City.
D685 1026.17 Baroreflex unloading blunts chemoreceptor
sensitivity in postural tachycardia syndrome. I. Taneja, D.A.
Clarke, M.S. Medow, A.J. Ocon and J.M. Stewart. New York
Med. Col.
D686 1026.18 Prolonged maintenance of cardiopulmonary
stability in mice: strain-specific ventilatory requirements. L.
Pichard, E. Kostuk, P. Pashai, R. Fitzgerald and M. Shirahata.
Johns Hopkins Univ.
D687 1026.19 Murine carotid body responses to hypoxia:
in vivo carotid sinus nerve recordings in the DBA/2J and A/J
strains. L. Pichard, F. Sgambati, E. Kostuk, P. Bashai, R.
Fitzgerald and M. Shirahata. Johns Hopkins Univ.
D688 1026.20 Global knockout of AMP-activated protein
kinase alpha subunits attenuates the hypoxic ventilatory
response in mice. C.N. Wyatt, H.L. Jordan, B.L. Barr, B.
Viollet, C. Peers, D.G. Hardie and A.M. Evans. Wright State
Univ., INSERM, Paris, Leeds Univ., Univ. of Dundee and Univ.
of Edinburgh.
D689 1026.21 In vivo pharmacological alterations of murine
carotid body responses to hypoxia: the role of BK channels
in hypoxic sensitivity. L. Pichard, F. Sgambati, E. Kostuk,
P. Bashai, R. Fitzgerald and M. Shirahata. Johns Hopkins
Univ.
D690 1026.22 Hypoxia versus hydrogen sulfide acting at the
carotid body and elsewhere systemically. R.S. Fitzgerald, M.
Shirahata and E. Kostuk. Johns Hopkins Univ.
D691 1026.23 Effects of HIF-1a gene deletion in respiratory
centers on ventilatory acclimatization to hypoxia. A. Go, Z. Fu,
R.S. Johnson and F.L. Powell. UCSD.
D692 1026.24 The effect of chronic ibuprofen treatment on
ventilatory acclimatization to hypoxia. D. Popa, Z. Fu and F.
Powell. UCSD.
D693 1026.25 Chronic sustained hypoxia reduces neuronal
excitability in 2nd-order neurons of peripheral chemoreceptors
in the NTS. W. Zhang and S. Mifflin. Univ. of North Texas Hlth.
Sci. Ctr. at Fort Worth.
D694 1026.26 Activation of adenosine A2A receptor
on GABAergic inputs to 2nd-order neurons of peripheral
chemoreceptors in the NTS. W. Zhang and S.W. Mifflin. Univ.
of North Texas Hlth. Sci. Ctr. at Fort Worth.
D695 1026.27 Developmental regulation of glucosensing in
rat adrenomedullary chromaffin cells. S.J. Livermore, N.A.
Piskuric, J.A. Buttigieg and C.A. Nurse. McMaster Univ.,
Canada and Toronto Western Hosp.
D696 1026.28 Intermittent hypoxia enhances chemical
sensitivity of pulmonary C fibers in rats: role of reactive oxygen
species. M-Y. Shen, Y-L. Luo and C.J. Lai. Tzu Chi Univ.,
Taiwan.
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