Výsledky vyhledávání - "X. J. Musacchia"

Rat cardiovascular responses to whole body suspension: head-down and non-head-down tilt

Autor: X. J. Musacchia, J. M. Steffen, Judy Dombrowski

Publikováno v: Journal of Applied Physiology. 73:1504-1509

The rat whole body suspension technique mimics responses seen during exposure to microgravity and was evaluated as a model for cardiovascular responses with two series of experiments. In one series, changes were monitored in chronically catheterized

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6082afb5de257ec864201bd9d00eb9e7
https://doi.org/10.1152/jappl.1992.73.4.1504

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Skeletal muscle atrophy in response to 14 days of weightlessness: vastus medialis

Autor: M. J. Dombrowski, J. M. Steffen, R. D. Fell, V. W. Oganov, X. J. Musacchia, E. I. Ilyina-Kakueva

Publikováno v: Journal of Applied Physiology. 73:S44-S50

The vastus medialis (VM) from rats after 14 days of microgravity on COSMOS 2044 (F) was compared with VM from tail-suspended hindlimb-unloaded rats (T) and ground controls, including vivarium (V), synchronous (S), and basal (B) animals. The VM is com

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff1b5cbceef1d4d4c537367f7294bbe7
https://doi.org/10.1152/jappl.1992.73.2.s44

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Skeletal muscle response to spaceflight, whole body suspension, and recovery in rats

Autor: R. D. Fell, J. M. Steffen, X. J. Musacchia, M. J. Dombrowski

Publikováno v: Journal of Applied Physiology. 69:2248-2253

Comparisons of soleus and extensor digitorum longus (EDL) muscles from male Sprague-Dawley rats (350-400 g) after 7 days of weightlessness, 7 and 14 days of whole body suspension (WBS), and 7 days of recovery from WBS and from vivarium controls were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1ca62ac4f5a207207672652287fc0b4
https://doi.org/10.1152/jappl.1990.69.6.2248

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Age effects on rat hindlimb muscle atrophy during suspension unloading

Autor: R. D. Fell, X. J. Musacchia, Lisa C. Ringel, Thomas E. Geoghegan, J. M. Steffen

Publikováno v: Journal of Applied Physiology. 68:927-931

Disuse can induce numerous adaptive alterations in skeletal muscle. In the present study the effects of hindlimb unloading on muscle mass and biochemical responses were examined and compared in adult (450 g) and juvenile (200 g) rats after 1, 7, or 1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::291191f6e043c42bb4690cca69e0903f
https://doi.org/10.1152/jappl.1990.68.3.927

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Weightlessness simulations for cardiovascular and muscle systems: validity of rat models

Autor: X J, Musacchia

Publikováno v: Journal of gravitational physiology : a journal of the International Society for Gravitational Physiology. 4(3)

Animal models are widely used to evoke responses comparable to those obtained during weightlessness. Two models are reviewed; one examines cardiovascular responses and cephalad fluid shifts in head down tilting (HDT), and the other examines atrophy i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::c63fb77ebeaebacdeab2b40e1faebd9b
https://pubmed.ncbi.nlm.nih.gov/11541869

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Effects of caudal elevation on testicular function in rats. Separation of effects on spermatogenesis and steroidogenesis

Autor: D R, Deaver, R P, Amann, R H, Hammerstedt, R, Ball, D N, Veeramachaneni, X J, Musacchia

Publikováno v: Journal of andrology. 13(3)

A variety of biologic processes are perturbed when exposed to microgravity (space flight) for more than 7 days, including testicular function. Suspension of rats in a special harness (caudal elevation) to induce thoracic pooling of blood fluids and r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::1e17cc8095258bc5487a3ba7fb547e22
https://pubmed.ncbi.nlm.nih.gov/1351049

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An assessment of suspension systems: models that reproduce responses to weightlessness

Autor: X J, Musacchia

Publikováno v: The Physiologist. 35

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::47b2aa34d14fbbe16809efabd9c98062
https://pubmed.ncbi.nlm.nih.gov/1589551

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Variations in recovery and readaptation to load bearing conditions after space flight and whole body suspension in the rat

Autor: X J, Musacchia, J M, Steffen

Publikováno v: The Physiologist. 34

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::52efbe83f80ea1edb31e2d6aa6f129ea
https://pubmed.ncbi.nlm.nih.gov/2047428

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Fluid/electrolyte balance and cardiovascular responses: head-down tilted rats

Autor: X J, Musacchia, D R, Deavers, G A, Meininger

Publikováno v: The Physiologist. 33

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::1844f0d12cb16600260a62d62f688a55
https://pubmed.ncbi.nlm.nih.gov/2371344

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Chronic heat exposure and intestinal absorption of sugars in hamster

Autor: X. J. Musacchia, Mecca B. Carpenter

Publikováno v: Comparative Biochemistry and Physiology Part A: Physiology. 60:411-416

1. 1. Chronic heat exposure ( T a 34°C) reduces intestinal weight of the hamster disproportionately to losses in body weight compared to animals at 22°C; in contrast, cold exposure ( T a 7°C) increases intestinal weight. 2. 2. Total mucosal uptake

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c17494f0e21b3bbe3007d8fc18a9bb5
https://doi.org/10.1016/0300-9629(78)90008-7

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