1149. COMPARATIVE AND EVOLUTIONARY
PHYSIOLOGY: CARDIOVASCULAR,
RESPIRATORY, LOCOMOTION AND
METABOLISM
Poster
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Presentation time: 12:45
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B551
1149.1 Transmural variation in the length-force
relationships and in vivo operating length ranges of the mantle
muscles of squid.
H. Perilstein, J.T. Thompson, R.M. Shelton
and W.M. Kier. Franklin & Marshall Col., PA and Univ. of North
Carolina at Chapel Hill.
B552
1149.2 Investigating jumping of various Caelifera
grasshopper species over an altitudinal gradient in New York.
A.R. Stamatis, O.C. Townsend and S.D. Kirkton. Union Col.,
NY.
B553
1149.3 Scaling of midgut perimeter and amino acid
transporter expression in Manduca sexta larvae.
C.M. Gillen,
H. Itagaki, A.J. Yeoh, A.V. Vela-Mendoza, K.P. Connell, A.G.
Sanderlin and A.J. Kerkhoff. Kenyon Col., OH.
B554
1149.4 Micro-CT measured tracheal changes in the
metathoracic femur of developing American locusts.
K.L. Marti,
A.J. Rapoff and S.D. Kirkton. Union Col., NY.
B555
1149.5 Using corrosion casts to understand oxygen
delivery in the grasshopper leg.
N.M. Ferrara and S.D. Kirkton.
Union Col., NY.
B556
1149.6 Temperature-dependent variation in respiratory
patterns and spiracular control in Rhodnius prolixus.
E.
Heinrich and T. Bradley. Univ. of California, Irvine.
B557
1149.7 Respiration and ventilation responses to acute
hypoxic stress in the Guyana orange spotted cockroach.
C.S.
Mallery, Jr. and E.M. Dzialowski. Univ. of North Texas.
PHYSIOLOGY TUESDAY
403
T
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B558
1149.8 Pharmacogenetic approaches in altering
heart rate in Drosophila larvae.
R.L. Cooper, Z.R. Majeed, J.
Titlow, A. Stacy, K. King, J.M. Rufer and C.D. Nichols. Univ
of Kentucky, Univ of Salahaddin Col. of Sci., Iraq and LSU Hlth.
Sci. Ctr., New Orleans.
B559
1149.9 Enhanced cardiac K
ATP
channel activity after
acclimation to hypoxia in goldfish (Carassius auratus L.).
J.P.
DeWitt, T.T. Ngo, S. Chan and J.S. Cameron. Wellesley Col.
B560
1149.10 Paradoxical anaerobism in desert pupfish. M.
Heuton, S. Steinberg, S. Hillyard and F. van Breukelen. Univ.
of Nevada Las Vegas.
B561
1149.11 Heart rate, blood pressure and baroreflex gain
in three species of anurans from different environments.
K.A.
McNew and M.S. Hedrick. Univ. of North Texas.
B562
1149.12 Effects of developmental hypoxia on alligator
cardiac myocytes.
H.A. Shiels, H. Moore, C. Hill, R. Elsey,
D. Warren and D. Crossley. Univ. of Manchester Univ. of
North Texas, Saint Louis Univ. and Rockefeller Refuge, Grand
Chenier, LA.
B563
1149.13 Environmentally-induced phenotypic plasticity
in embryonic reptiles.
D.A. Crossley, R. Elsey, C. Marks and
J. Eme. Univ. of North Texas and Rockefeller Wildlife Refuge,
Grand Chenier, LA.
B564
1149.14 Lung volume and pulmonary compliance in the
alligator (Alligator mississippiensis).
M.S. Hedrick, Z.F. Kohl,
M. Khan, J. Eme, E.M. Dzialowski and D.A. Crossley. Univ. of
North Texas.
B565
1149.15 The effects of hypoxic development on cardiac
function in fetal chickens.
S.S. Jonker and D.A. Crossley II.
Oregon Hlth. & Sci. Univ. and Univ. of North Texas.
B566
1149.16 Heart rate and metabolic rate of bar-headed
geese flying in hypoxia.
J.U. Meir, W. Jardine, J. York, B. Chua
and W.K. Milsom. Harvard Med. Sch. and Univ. of British
Columbia.
B567
1149.17 Development of endothermy in the Pekin duck
(Anas pekin).
S. Ream, A. Duquaine, S.K. Goy Sirsat, T.S.
Sirsat and E.M. Dzialowski. Univ. of North Texas.
B568
1149.18 The small heart of the ornate tinamou is
compatible with endothermy and flight but compromises
aerobic metabolism and thermoregulation during recovery
from exhaustive activity.
J. Altimiras, L.M. Giraldo Deck and
Á. Garitano-Zavala. Linköpings Univ., Sweden and Univ.
Mayor de San Andrés, Bolivia.
B569
1149.19 Influence of regular endurance training on
postexercise hemodynamic regulation to orthostatic challenge.
J. Sugawara, H. Komine, T. Miyazawa, T. Imai and S. Ogoh.
Natl. Inst. of Adv. Ind. Sci. and Technol., Tsukuba, Univ. of
Tsukuba and Toyo Univ., Japan.
B570
1149.20 Pulmonary functions in different phases of
menstrual cycle.
E. Saperova and D. Dimitriev. Chuvash State
Pedagogical Univ., Russia.
B571
1149.21 The new mode to neurohumoral regulation
in respiratory and circulatory systems.
X-G. Sun. Natl. Ctr. of
Cardiovasc. Dis., Beijing.
B572
1149.22 Effects of acetylcholine and cholinergic
antagonists on the activity of nucleus of the solitary tract
neurons.
W.I. Furuya, E. Colombari, A.V. Ferguson and D.S.
Colombari. São Paulo State Univ., Araraquara and Queen’s
Univ., Canada.
1150. AGING AND MUSCLE FUNCTION
Poster
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B573
1150.1 Motor unit number estimates in world-class
masters athletes: is 80 the new 60?
M.D. Allen, G.A. Power,
M.E. Filion, T.J. Doherty, C.L. Rice, T. Taivassalo and R.T.
Hepple. Sch. of Kinesiol., Univ. of Western Ontario, Montreal
Neurol. Inst. and McGill Univ. Hlth. Ctr.
B574
1150.2 Comparative effects of high velocity and low
velocity power training on muscle performance, muscle mass
and functional ability in mobility-limited elders: a randomized
trial.
K.F. Reid, K.I. Martin, G. Doros, D.J. Clark, C. Patten,
E.M. Phillips, C. Hau, W.R. Frontera and R.A. Fielding.
USDA at Tufts Univ., Boston Univ. Sch. of Publ. Hlth., Malcom
Randall VA Med. Ctr., Gainesville, FL and Vanderbilt Univ.
B575
1150.3 Effect of hypovitaminosis D on muscle function
and physical performance in Saudi women cross sectional.
K.S. Hussein. Surrey Univ., U.K. and Physiol., Jeddah, Saudi
Arabia.
B576
1150.4 Stereological analysis of Akt in muscles of
young and old rats following a single bout of stretch-shortening
contractions.
E.P. Rader, J. Ensey and B.A. Baker. NIOSH,
WV.
B577
1150.5 The combined effects of anastrozole and
testosterone or trenbolone on prostate and levator ani-
bulbocavernosus mass.
D.T. Beck, J.F. Yarrow, S.C. McCoy,
L.A. Beggs, F. Ye, A. Balaez, S.M. Combs, J.R. Miller, C.F.
Conover and S.E. Borst. Malcom Randall VA Med. Ctr. and
Univ. of Florida.
B578
1150.6 Old age of male C57/BL6 mice coincides with
development of sarcopenia and anabolic resistance.
M. van
Dijk, J. Nagel, F.J. Dijk, S. Walrand, K. van Norren and Y.
Luiking. Danone Res., Wageningen, Netherlands and Univ.
d’Auvergne, France.
B579
1150.7 Neural and bioenergetic mechanisms of human
skeletal muscle fatigue resistance in old age.
J. Kent-Braun, A.
Tonson, J. Deblois, J. Fay, T. O’Brien, S. Foulis, G. Kamen,
D. Befroy, K. Holste and A. Christie. Univ. of Massachusetts
Amherst, Yale Univ. and Univ. of Oregon.
B580
1150.8 Sarcopenia and hypertrophy in aged skeletal
muscle is independent of lifelong muscle stem cell depletion.
J.D.
Lee, J. Mula, C.S. Fry, T.J. Kirby, J.R. Jackson, J.A. Beggs,
M.S. Campbell, T.E. Kmiec, E.E. Dupont-Versteegden, J.J.
McCarthy and C.A. Peterson. Univ. of Kentucky.
B581
1150.9 Age-associated attenuation of autophagy
underlies ryanodine receptor hyperactivity.
L.L. Cooper, Y.C.
Lu, J. Centracchio, R. Terentyeva, D. Terentyev and G.
Koren. Brown Univ. and Rhode Island Hosp., Alpert Med. Sch.
B582
1150.10 The influence of satellite cell-depletion on
glycosaminoglycan accumulation in aged skeletal muscle.
Z.J.
Hardyniec, J.D. Lee and C.A. Peterson. Alma Col., MI and
Univ. of Kentucky.
TUESDAY PHYSIOLOGY
404
1151. MICRORNA AND STEM CELLS IN MUSCLE
PATHOPHYSIOLOGY
Poster
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. 7:30
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Presentation time: 12:45
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B583
1151.1 Mitochondrial division inhibitor ameliorates
post-myocardial infarction via stimulating stem cell by elevating
level of miR-499 in diabetes.
N. Qipshidze, P.K. Mishra and
S.C. Tyagi. Univ. of Louisville.
B584
1151.2 miR-133a ameliorates cardiac stem cells
survival and differentiation in Insulin2 mutant diabetic mice.
V. Chavali, N.L. Diaz, S.C. Tyagi and P.K. Mishra. Univ. of
Louisville.
1152. SKELETAL MUSCLE PHYSIOLOGY
Poster
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. 7:30
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Presentation time: 12:45
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B585
1152.1 Effects of estrogen on statin-induced toxicity
in proliferating and differentiating myoblasts.
C.C. Mertz, M.
Bielman and K.L. Ball. Alma Col., MI.
B586
1152.2 Interleukin 6 alters myogenic regulatory
factors expression in cultured mammalian satellite cells.
J.A.
Macumber, K.J. Thornton, M.E. Doumit and G.K. Murdoch.
Univ. of Idaho.
B587
1152.3 MC3R activation does not attenuate pro-
inflammatory macrophage-induced reductions in myoblast
proliferation.
D.S. Kump, S. Brooks and R.A. Kump. Winston-
Salem State Univ. and Hanes Magnet Sch., Winston-Salem.
B588
1152.4 Satellite cells regulate the skeletal muscle
environment by inhibiting fibroblast function.
C.S. Fry, J.D.
Lee, J.R. Jackson, T.J. Kirby, E.E. Dupont-Versteegden, J.J.
McCarthy and C.A. Peterson. Univ. of Kentucky.
B589
1152.5 Monocarboxylate transporter expression at
the onset of skeletal muscle regeneration.
D. Smith and T.
Washington. Univ. of Arkansas.
B590
1152.6 Hormone-sensitive lipase knockout mice have
higher post-exercise insulin sensitivity despite accumulation of
diacylglycerol.
A.K. Serup, T. Alsted, J. Wojtaszewski and B.
Kiens. Univ. of Copenhagen.
B591
1152.7 Rac1 is a novel regulator of stretch-induced
glucose uptake in muscle.
L. Sylow, M. Kleinert, E.A. Richter
and T.E. Jensen. Univ. of Copenhagen.
B592
1152.8 The myosin converter region influences cross-
bridge stiffness and muscle kinetics.
D. Swank, B. Glasheen,
S. Ramanath, Q. Wang, D. Sheppard and L. Riley. Rensselaer
Polytech Inst.
B593
1152.9 Satellite cell depletion negatively impacts
voluntary wheel running performance in mice.
J.R. Jackson,
C.S. Fry, T.J. Kirby, J.D. Lee, C.S. Dean, J.H. Werker, J.J.
McCarthy, E.E. Dupont-Versteegden and C.A. Peterson.
Univ. of Kentucky.
B594
1152.10 Effects of hydrogen ion and inorganic
phosphate on calcium sensitivity in rat slow muscle fibers.
C.R.
Nelson and R.H. Fitts. Marquette Univ.
B595
1152.11 Improvements in aerobic fitness but not
mitochondrial content are intensity dependent in overweight
men.
J.C. Boyd, C.A. Simpson, M.E. Jung and B.J. Gurd.
Queen’s Univ., Canada and Univ. of British Columbia at
Okanogan.
B596
1152.12 The differential accumulation of doxorubicin in
the soleus and gastrocnemius muscle of the rat.
S.A. Fabris, P.
Chenard, L. Anderson and D. MacLean. Laurentian Univ. and
Northern Ontario Sch. of Med.
B597
1152.13 Cellular mechanims for the protective effects of
prior exercise on statin-associated muscle force loss in mice.
M. Godar, C. Chamney and K. Huey. Drake Univ.
B598
1152.14 The role of increased sarcolipin expression in
neonatal development and in muscle disease.
M. Pant, N.C.
Bal, D.A. Delfin, J.A. Rafael-Fortney and M. Periasamy. The
Ohio State Univ.
B599
1152.15 Specific and progressive diaphragmatic
myopathy during the development of heart failure.
A.J. Foster,
A. Arkell, M. Platt, J.A. Simpson and C.L. Murrant. Univ. of
Guelph, Canada.
B600
1152.16 The interactive effects of K
+
and Cl
-
on force
generation in skeletal muscles: impact at the onset of exercise.
A.M. Higgins and J-M. Renaud. Univ. of Ottawa.
B601
1152.17 Characterization of myogenesis in C2C12
myoblasts using flow cytometry.
Z. Yang, C. Mo, J. Isaacson,
S. Romero-Suarez, J. Vallejo, A. Alsousi, L. Wetmore and M.
Brotto. William Jewell Col., MO and Sch. of Pharm. and Sch.
of Nursing, Univ. of Missouri-Kansas City.
B602
1152.18 Prostaglandin E2 signaling plays an important
role in the regulation of the cell cycle progression in C2C12
myoblasts.
C. Mo, J. Vallejo, J. Isaacson, Z. Yang, L. Wetmore,
T. Allen, O. Igwe and M. Brotto. Univ. of Missouri-Kansas City
and William Jewell Col., MO.
B603
1152.19 Dissociation of recovery of muscle activation
and force following a sustained maximal isometric contraction.
K.E. Houle, B.J. Kantner and W.F. Brechue. U.S. Military
Acad., West Point and Philadelphia Col. of Osteo. Med.
B604
1152.20 PKC
q contributes to myotube formation by
regulating protein synthesis.
J.S. Marino, T. Hinds, R.A.
Hoover, E. Ondrus, J.L. Onion, A. Dowling, T. McLoughlin,
E.R. Sanchez and J.W. Hill. Univ. of Toledo.
B605
1152.21 A gender comparison of electromyography
during repetitive arm work with and without mental stress.
A.
Crenshaw, M. Fahlstrom and E. Lyskov. Univ. of Gavle and
Umeå Univ., Sweden.
B606
1152.22 Muscle-specific deletion of p38
a/b MAPK
improves glucose tolerance and reduces body fat but impairs
exercise capacity.
N.P. Greene, V.A. Lira, K.H. Chain, M.
Zhang, S.R. Hargett, S.R. Keller and Z. Yan. Univ. of Virginia.
B607
1152.23 Fiber type specific PGC-1
a content and
its relation to capillarization and mitochondrial content.
G.
Gouspillou, N. Sgarioto, B. Norris and R.T. Hepple. McGill
Univ.
B608
1152.24 A novel mechanism for UCP1-independent
thermogenesis.
L. Rowland, N. Bal and M. Periasamy. The
Ohio State Univ.
B609
1152.25 Vitamin D modulation of diaphragm
muscle strength in mice.
A.D. Ray, K.J. Pesonius and P.A.
Hershberger. Univ. at Buffalo and Roswell Park Cancer Inst.
B610
1152.26 Resistance training and CLA/n-3 administration
improve myofiber size and myogenic capacity in high-fat diet-
fed mice.
S-R. Lee, E. Jo, A.V. Khamoui, B-S. Park, M.C.
Zourdos, L.B. Panton, M.J. Ormsbee and J-S. Kim. Univ. of
Memphis and Florida State Univ.
PHYSIOLOGY TUESDAY
405
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B611
1152.27 Combined endothelial and skeletal myofiber
VEGF gene deletion leads to capillary regression in adult
mouse hind limb muscle.
A.G. Sulaeman, H. Delavar, J. Fine,
P.D. Wagner and E.C. Breen. UCSD.
B612
1152.28 Abnormal fiber type specification in
dystroglycanopathy skeletal muscle.
A.M. Beedle and G.A.
Melick. Univ. of Georgia.
B613
1152.29 Identification of the ATP sensitive potassium
channel isolated from mammal and avian skeletal muscle.
J.
Urincho-Castro, S. Manzo-Ávalos, E. Sánchez-Duarte, X.
Trujillo, M. Huerta, A. Saavedra-Molina and R. Montoya-
Pérez. Univ. Michoacana de San Nicolás de Hidalgo and Univ.
de Colima, Mexico.
1153. OBESITY AND SATIETY
Poster
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. 7:30
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Presentation time: 12:45
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B614
1153.1 The effect of shifting food-intake period on rat
body weight and plasma levels of glucose, leptin, melatonin,
cholesterol and triglyceride.
M.O. Tanira, A. Al Qutiti and B. Al
Jahwari. Sultan Qaboos Univ., Oman.
B615
1153.2 Unique roles for 3 specific amino acids in the
control of food intake.
J. Jordi, T.A. Lutz and F. Verrey. Univ. of
Zurich.
B616
1153.3 Dietary sodium suppresses high-fat diet weight
gain in C57BL/6J mice.
N.A. Pearson, N.K. Littlejohn, M.L.
Lutter and J.L. Grobe. Univ. of Iowa.
B617
1153.4 Impaired skeletal muscle metabolism in
obesity-prone rats on a high fat diet.
T.D. Allerton, E. Bench
and S. Primeaux. LSU Hlth. Sci. Ctr., New Orleans.
B618
1153.5 Obesity-resistant rats demonstrate enhanced
energy sensing and metabolism.
T.D. Allerton and S.D.
Primeaux. LSU Hlth. Sci. Ctr., New Orleans.
B619
1153.6 Cardiovascular and metabolic regulation in
mice with neuron specific deletion of the leptin receptor.
J.M.
do Carmo, A.A. da Silva, B.R. Pace, M.T. Davis and J.E. Hall.
Univ. of Mississippi Med. Ctr.
B620
1153.7 The relationship of muscle sympathetic nerve
activity to the sympathetically-mediated thermic effect of food
in young healthy subjects.
L.J. Matzek, J. Miles, M. Jensen, J.
Levine, M. Joyner and T. Curry. Mayo Clin.
B621
1153.8 Low salt intake is associated with maternal
obesity before and during pregnancy.
M.S. Tresoldi, J.C.
Heimann and K.L. Lopes. Univ. of São Paulo Sch. of Med.
B622
1153.9 Total circulating levels of adiponectin versus
transcript abundance in omental fat following the MIQE
guidelines in a group of morbidly obese patients.
A.Z. Mobula,
J. Alley, S. Samy, L. Fitzgerald and M. Ariza. Cornell Univ.
and Guthrie Clin., Sayre, PA.
B623
1153.10 Severe left ventricular dysfunction following
short-term high fat feeding in a canine model.
M. Nelson, J.
Broussard, C. Kolka, I.A. Bediako, L.S. Szczepaniak and R.
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