1203.10 Metabolic syndrome alters the balance of
prostaglandins in hypoxia-mediated cerebral vasodilation.
J.W.
Harrell, P.A. Yanke and W.G. Schrage. Sch. of Med. and Publ.
Hlth., Univ. of Wisconsin-Madison.
W418
1203.11 Sex differences in age-related changes in
cerebral vasodilator responses.
J.N. Barnes, J.L. Taylor, W.T.
Nicholson and M.J. Joyner. Mayo Clin.
W419
1203.12 Association between cerebral tissue structural
integrity and dynamic cerebral autoregulation in elderly
individuals.
S. Purkayastha, O. Fadar, A. Mehregan, L.A.
Lipsitz and F.A. Sorond. Hebrew SeniorLife, Boston, Harvard
Med. Sch. and Brigham and Women’s Hosp.
W420
1203.13 Critical closing pressure is the primary
modulator of cerebrovascular resistance in older adults.
A.D.
Robertson and R.L. Hughson. Univ. of Waterloo, Canada.
W421
1203.14 Effects of inspiratory resistance on cerebral
blood velocity during orthostasis with dehydration.
G. Moralez,
S.A. Romero, K.L. Ryan, W.H. Cooke and C.A. Rickards.
Univ. of North Texas Hlth. Sci. Ctr., Univ. of Oregon, U.S. Army
Inst. of Surg. Res., Fort Sam Houston and Univ. of Texas at San
Antonio.
W422
1203.15 Countermeasures against post-exercise
syncope.
T.M. Buck, A.N. Lacewell and J.R. Halliwill. Univ. of
Oregon.
W423
1203.16 L- and T-type Ca
2+
channels in human cerebral
circulation.
O.F. Harraz, Y. Starreveld, T. Watson, B.K. Menon
and D.G. Welsh. Univ. of Calgary, Canada.
W424
1203.17 Brain astrocyte-derived EETs and 20-EHTE
elicit opposing actions on calcium movement and KCa channel
current activities in astrocytes.
D. Gebremedhin, D.X. Zhang
and D.R. Harder. Med. Col. of Wisconsin.
1204. CURRENT CONCEPTS IN BROWN ADIPOSE
TISSUE AND HUMAN ENERGY BALANCE
(POSTERS)
Poster
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W425
1204.1 Cold acclimation increases the contribution of
brown adipose tissue-derived thermogenesis in adult humans.
D.P. Blondin, S.M. Labbé, É.E. Turcotte, D. Richard, A.C.
Carpentier and F. Haman. Univ. of Ottawa, Laval Univ. and
Univ. of Sherbrooke, Canada.
W426
1204.2 Body mass index and ethnicity as determinants
of brown adipose tissue function as measured by thermal
imaging in healthy children.
H. Budge, L. Elvidge, S. Ojha and
M.E. Symonds. Univ. of Nottingham.
W427
1204.3 Isolation of adipose-derived stem cells from
human breast subcutaneous adipose tissues and their
differentiation into beige adipose tissue-like adipocytes.
Y-J.
Chen, W-H. Kuo, J-T. Yang, C-C. Chen and S-T. Ding. Natl.
Taiwan Univ. and Natl. Taiwan Univ. Hosp. and Col. of Med.
W428
1204.4 Clavicular brown adipose tissue has a different
origin from the perirenal depot that is indicative of muscle
related lineage.
M.E. Symonds, M. Pope, M. Birtwistle and H.
Budge. Univ. of Nottingham.
1205. CIRCADIAN AND BIOLOGICAL TIMEKEEPING
Poster
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Presentation time: 12:30
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-2:15
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W429
1205.1 LPS induced circadian phase shift in
macrophages.
Y. Wang, F. Chen, D. Rudic and D. Fulton.
Georgia Hlth. Sci. Univ.
W430
1205.2 Antibiotic-induced gut microbiota alters
period-2 circadian gene expression in liver.
V.A. Leone,
E. Huang, Y. Wang, S. Devkota, E. Zale, S. Dalal and E.B.
Chang. Univ. of Chicago and Joslin Diabetes Ctr., Harvard
Med. Sch.
W431
1205.3 Long-lived and obesity resistant mice exhibit
24 h locomotor circadian rhythms at young and old age.
R.
Gutman and O. Froy. Tel-Hai Col., MIGAL - Galilee Technol.
Ctr. and The Hebrew Univ. of Jerusalem, Israel.
W432
1205.4 Analysis of connectivity and timekeeping
hierarchy in the circadian clock neuron network of Drosophila.
O.T. Shafer and Z. Yao. Univ. of Michigan.
W433
1205.5 Circadian properties of the Aplysia R15
neuron: its influence on the L7 motor neuron.
T.F. Minton and
J. Watrous. Saint Joseph’s Univ., PA.
WEDNESDAY PHYSIOLOGY
430
1206. FLUID BALANCE, BLOOD VOLUME
REGULATION AND TRAUMA
Poster
W
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Presentation time: 12:30
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W434
1206.1 Comparison of neurohumoral responses to
lower body negative pressure and hemorrhage in baboons.
R.E. Shade, C. Hinojosa-Laborde, G. Muniz, C. Bauer and
V. Convertino. Texas Biomed. Res. Inst. and U.S. Army Inst. of
Surg. Res., San Antonio.
W435
1206.2 Comparison of hemodynamic responses to
lower body negative pressure and hemorrhage in baboons.
C. Hinojosa-Laborde, R. Shade, G. Muniz, C. Bauer and V.
Convertino. U.S. Army Inst. of Surg. Res., Fort Sam Houston
and Texas Biomed. Res. Inst., San Antonio.
W436
1206.3 Hemodynamic responses during lower body
negative pressure and hemorrhage in humans.
B.D. Johnson,
N. van Helmond, T.B. Curry, V.A. Convertino and M.J. Joyner.
Mayo Clin., Radboud Univ. Nijmegen Med. Ctr., Netherlands
and U.S. Army Inst. of Surg. Res., Fort Sam Houston.
W437
1206.4 The association between pulse pressure and
stroke volume during lower body negative pressure and graded
hemorrhage.
N. van Helmond, B.D. Johnson, T.B. Curry,
V.A. Convertino and M.J. Joyner. Radboud Univ. Med. Ctr.
Nijmegen, Mayo Clin. and U.S. Army Inst. of Surg. Res., Fort
Sam Houston.
W438
1206.5 Interstitial fluid balance resulting from intestinal-
hepatic interaction.
N.C. Rawle, A. Rosales, T.O. Galownia,
R.M. Dongaonkar and C.M. Quick. Michael E. DeBakey Inst.,
College Station, TX.
W439
1206.6 Intravenous pyruvate for cardiac arrest
does not cause persistent hypernatremia.
B.H. Cherry, A.Q.
Nguyen, M-G. Ryou, A. Williams, B. Hoxha, A.H. Olivencia-
Yurvati and R.T. Mallet. Univ. of North Texas Hlth. Sci. Ctr.
1207. RESPONSES TO ACUTE OR CHRONIC HYPOXIC
EXPOSURE AND ALTITUDE
Poster
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Presentation time: 12:30
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-2:15
pm
W440
1207.1 Genetic and dietary affects on oxygen
deprivation response and survival in C. elegans.
P. Padilla, A.
Garcia and J. Goy. Univ. of North Texas.
W441
1207.2 Active expiration and sympathetic overactivity
induced by short-term sustained hypoxia in rats.
D.B. Zoccal,
D.J.A. Moraes, L.G.H. Bonagamba, K.M. Costa, J.H. Costa-
SIlva and B.H. Machado. Univ. of São Paulo, Ribeirão Preto.
W442
1207.3 Consequences of neonatal sustained and
intermittent hypoxia on spontaneous and evoked activities of
nucleus tractus solitarius neurons.
C.A. Mayer, C. Wilson and
P. MacFarlane. Case Western Reserve Univ. and Rainbow
Babaies and Children’s Hosp.
W443
1207.4 Acute hypoxia in neonatal rats: a novel
ACTH- and cAMP-independent control of adrenal function.
K.
Johnson, E.D. Bruder, W.C. Engeland and H. Raff. Med. Col.
of Wisconsin, Aurora St. Luke’s Med. Ctr., Milwaukee and Univ.
of Minnesota, Minneapolis.
W444
1207.5 Intracellular Cl
-
concentration is increased in
pulmonary arterial myocytes associated with chronic hypoxic
pulmonary hypertension.
H. Sun and J.S.K. Sham. Johns
Hopkins Univ.
W445
1207.6 Intracellular ATP modulates vascular distinctive
P2X receptors in rat arterial smooth muscle.
H. Morita, S.
Yoshimoto, H. Takeuchi, K. Abe, M. Hirata and Y. Ito. Kyushu
Univ. Hosp., Kyushu Univ., Kyushu Dent. Col. and Kumamoto
Hlth. Sci. Univ., Japan.
W446
1207.7 Effects of modulators of AMPK on TASK K
+
channel and [Ca
2+
] in rat carotid body glomus cells.
D. Kim, D.
Kang, E.A. Martin, I. Kim and J.L. Carroll. Chicago Med. Sch.
and Univ. of Arkansas for Med. Sci.
W447
1207.8 Post-metabolic response to exercise in
normobaric hypoxia.
L.P. Kelly and F.A. Basset. Sch. of
Human Kinetics, Mem.Univ. of Newfoundland, Canada.
W448
1207.9 Analysis of high altitude cognitive task
performance on multiple tests.
A.N. Issa, R.J. Wentz, N.M.
Herman, B.J. Taylor, D.T. Summerfield, A.J. Kasak and B.D.
Johnson. Mayo Clin.
W449
1207.10 Changes in body composition and aerobic
capacity after high altitude exposure in elite climbers.
A.R.
Carlson, A. Kasak, A. Issa, B. Taylor, D. Summerfield, A.
Miller, A. Fuglestad and B. Johnson. Mayo Clin.
W450
1207.11 Combined aminophylline and ambrisentan is a
potentially safe treatment of health complications after rapid
ascent to high altitudes.
T. Schroeder, D. Irwin, K. Hamilton,
A. Boico and G. Blueschke. Duke Univ. Med. Ctr., Univ. of
Colorado Denver, Aurora and Colorado State Univ. Fort Collins.
W451
1207.12 Lung fluid regulation at high altitude. B. Taylor,
D. Summerfield, A. Issa, A. Kasak and B. Johnson. Mayo
Clin.
W452
1207.13 Adaptation to hypoxia prevents endothelial
dysfunction of coronary and non-coronary blood vessels during
myocardial ischemia and reperfusion injury.
E. Manukhina,
O.L. Terekhina, L.M. Belkina, D.V. Abramochkin and H.F.
Downey. Inst. of Gen. Pathol. and Pathophysiol., Moscow, Univ.
of North Texas Hlth. Sci. Ctr. and M.V. Lomonosov Moscow
State Univ.
W453
1207.14 Beat to beat pulse oximetry versus standard
averaging techniques during high altitude sleep.
R.J. Wentz, A.
Issa, B. Taylor, A. Kasak, D. Summerfield and B. Johnson.
Mayo Fndn.
1208. PROTEIN, CARBOHYDRATE, AND LIPID
METABOLISM
Poster
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W454
1208.1 Phosphorylation of rat skeletal muscle pyruvate
dehydrogenase phosphatase in response to insulin stimulation.
J. Choptiany, R. MacPherson, P. LeBlanc and S. Peters.
Brock Univ., Canada.
W455
1208.2 Muscle atrophy produced by spinal cord injury
in rats decreases muscle protein synthesis without altering
mTOR kinase activity.
C.H. Lang, L.J. Laufenberg, A. Pruznak,
E.M. Swartz and G.M. Holmes. Penn State Col. of Med.
PHYSIOLOGY WEDNESDAY
431
W
E
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W456
1208.3 The effects of bolus versus pulse feeding
strategies on muscle anabolism in older men.
W.K. Mitchell,
J. Williams, D. Rankin, J. Lund, B. Phillips, K. Smith and
P.J. Atherton. Sch. of Grad. Entry Med. and Hlth., Univ. of
Nottingham, U.K.
W457
1208.4 Using D2O to measure plasma protein
synthesis after a single meal.
D.A. Wagner, D. Bolt and K.
Greulich. Metabolic Solutions Inc., Nashua, NH.
W458
1208.5 Validation of method using
2
H
2
O to measure
rates of protein breakdown in myoblasts.
M. Watkins, S.
Ehrlicher, S. Khademi, D.J. Reuland, B.F. Miller and K.L.
Hamilton. Sch. of Kinesiol., Univ. of Minnesota, Minneapolis
and Colorado State Univ.
W459
1208.6 Female sex steroid effects on basal muscle
protein synthesis rates in postmenopausal women.
G.I.
Smith, D.N. Reeds, R.E. Burrows, J.A. Kampelman and B.
Mittendorfer. Washington Univ. Sch. of Med.
W460
1208.7 Structure-based mechanism for the adaptation
of apolipoprotein A-I to the changing lipid load in good
cholesterol.
O. Gursky. Boston Univ. Sch. of Med.
W461
1208.8 Kinetic analysis of thermal stability of
human low-density lipoproteins: a model for LDL fusion in
atherogenesis.
M. Lu, S. Jayaraman, D.L. Gantz, H. Herscovitz
and O. Gursky. Boston Univ. Sch. of Med.
W462
1208.9 Role of secondary structure in protein-lipid
interactions: decreases in the helical content of apolipoprotein
C-I lower its affinity for triolein/water and phospholipid/triolein/
water interfaces.
N. Meyers, L. Wang, O. Gursky and D. Small.
Boston Univ.
W463
1208.10 The role of suppressor enhancer lin-12 1 like
in cholesterol metabolism.
C. Krumm, A. Francisco, W-H.
Chang and Q. Long. Cornell Univ.
W464
1208.11 Gravin scaffolding protein mediates signaling
in high fat diet model.
Q. Fan, Q. Fan, A.C. Diaz Diaz, C.S.
Wijaya, X. Yin, S. Singh and B.K. McConnell. Univ. of Houston
and Univ. of Texas Hlth. Sci. Ctr. at Houston.
W465
1208.12 Ultra-endurance exercise differentially affects
highly unsaturated fatty acid composition in cheek cells and
serum phospholipids.
B.M. Volk, L.J. Kunces, B.R. Kupchak,
M.D. Hoffman, S.D. Phinney and J.S. Volek. Univ. of
Connecticut, Storrs-Mansfield, Univ. of California Davis Med.
Ctr., VA Northern California Hlth. Care Syst. and Univ. of
California, Davis.
1209. MITOCHRONDRIAL FUNCTION
Poster
W
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. 7:30
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W466
1209.1 Ca
2+
-induced mitochondrial permeability
transition pore opening is substrate-dependent.
M. Aldakkak,
D.F. Stowe and A.K.S. Camara.
W467
1209.2 Impact of mitochondria phospholipid
hydroperoxide glutathione peroxidase overexpression on
the type 1 diabetic heart.
S.E. Lewis, E.R. Dabkowski, W.A.
Baseler, D.L. Shepherd, T.L. Croston, C.E. Nichols and J.M.
Hollander. West Virginia Univ.
W468
1209.3 Heat shock protein 27 translocation to the
mitochondria is associated with protection against diabetic
cardiomyopathy.
D.L. Shepherd, T.L. Croston, S.E. Lewis,
C.E. Nichols, D. Thapa, R. Jagannathan and J.M. Hollander.
West Virginia Univ.
W469
1209.4 Altered skeletal muscle respiration in patients
with COPD: mitochondrial density or dysfunction?
J.R. Gifford,
R.S. Garten, J. Trinity, S. Park, G. Layec, S. Larsen and R.S.
Richardson. Univ. of Utah and George E Whalen VA Med. Ctr.
and Univ. of Copenhagen.
W470
1209.5 A novel Mito-Timer reporter gene for
measurement of mitochondrial quantity and quality in vivo.
R.C.
Laker, P. Xu, K. Ryall, A. Sujkowski, M. Zhang, P. Adler, R.
Wessells, J. Saucerman and Z. Yan. Univ. of Virginia and Univ.
of Michigan.
W471
1209.6 Overexpression of Bnip3 in the myocardium
leads to mitochondrial dysfunction and enhanced mitochondrial
autophagy.
Y. Lee, R.L. Thomas, D.A. Kubli, X. Zhang, G.W.
Dorn and Å.B. Gustafsson. Skaggs Sch. of Pharm. and
Pharmaceut. Sci., UCSD, Univ. of West Florida and Washington
Univ. Sch. of Med.
W472
1209.7 Transplantation of autologously-derived
mitochondria protects the heart from ischemia-reperfusion
injury.
A. Wakiyama, K.M. Black, C.A. Pacak, M. Ericsson,
R.J. Barnett, C. Drumm, P. Seth, D.B. Bloch, S. Levitsky,
D.B. Cowan and J.D. McCully. Beth Israel Deaconess
Med. Ctr., Boston Children’s Hosp., Harvard Med. Sch. and
Massachusetts Gen. Hosp.
W473
1209.8 Reduced mitochondrial Na
+
/H
+
exchanger 1
protein expression contribute to the functional remodeling of
the hypertrophic rat heart mitochondria.
B.V. Alvarez and L.A.
Vargas. Fac. of Med. Sci., Natl. Univ. of La Plata, Argentina.
W474
1209.9 Substrate-dependent action of isoflurane on
electron transport chain complexes.
B. Agarwal, R.K. Dash,
Z.J. Bosnjak, D.F. Stowe and A.K.S. Camara. Med. Col. of
Wisconsin.
W475
1209.10 Upregulation of mitophagy in enterocytes
during intestinal ischemia in rats.
T.J. Kalogeris, M. Wang and
R.J. Korthuis. Univ. of Missouri-Columbia.
W476
1209.11 Dysfunctional autophagy and mitochondrial
bioenergetics in a model of type I diabetes.
T. Mitchell, B.
Chacko, M. Johnson, A. Koizumi, S. Ramanadham and V.
Darley-Usmar. Univ. of Alabama at Birmingham and Kyoto
Univ.
W477
1209.12 Putative small conductance Ca
2+
-sensitive K
+
channels isoforms and splice variants in mitochondria of guinea
pig cardiac ventricular myocytes.
M. Yang, A.K.S. Camara, M.
Bienengraeber, W-M. Kwok and D.F. Stowe. Med. Col. of
Wisconsin and VA Med. Ctr.
W478
1209.13 Decreased nitration of mitochondrial complex I
by ROS/RNS scavenging during cardiac ischemia reperfusion
injury.
Q. Cheng, M. Yang, J.S. Heisner, M. Bienengraeber,
W-M. Kwok, A.K.S. Camara and D.F. Stowe. Med. Col. of
Wisconsin.
W479
1209.14 Extraocular muscles produce more non-
mitochondrial reactive oxygen species.
L. Sims, M. Garcia-
Cazarin and F. Andrade. Eastern Kentucky Univ. and Univ. of
Kentucky.
W480
1209.15 Post-translationally modified cardiac
mitochondrial VDAC1 gating kinetics analyzed using
continuous-time MCMC model.
S. Tewari, Y. Zhou, A.K.S.
Camara, R.K. Dash and W-M. Kwok. Med. Col. of Wisconsin.
W481
1209.16 Cardiac interfibrillar mitoK
ATP
channels are
sensitive to diazoxide and have a regulatory subunit profile
distinct from subsarcolemmal mitoK
ATP
.
I.S. Fancher, T.
Croston, D. Shepherd, G.M. Dick and J.M. Hollander. West
Virginia Univ.
WEDNESDAY PHYSIOLOGY
432
W482
1209.17 Mitochondrial dynamics in the type 2 diabetic
heart.
E.R. Gonzalez , A. Brito, L. Peltekian, V. Lopez, S.
Madala, C. De La Fuente, R. de Leon and K. Yamazaki.
California State Univ., Los Angeles.
W483
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