Effect of resistance training on changes in lymphocyte subpopulation during head-down-tilt bed rest.

Rie Wakimizu, Zheng Chen, Hideoki Fukuoka, Nobuo Suzuki, Jun Nomura

Research output: Contribution to journalArticle

Abstract

Head-down-tilt (HDT) bed rest imitates microgravity-like conditions for a supine human body on the ground. On the other hand, resistance training is used to eliminate unfavorable physical changes in astronauts under a microgravity environment during spaceflight. Twelve healthy males voluntarily participated in a 20-day -6 degrees HDT bed rest study. The ratio of CD3-positive peripheral blood lymphocytes were analyzed by immunofluorescence staining. Volunteers who undertook resistance-training during HDT bed rest were designated as the resistance training group (RTG), and those who did not as non-resistance-training group (N-RTG). We could not observe significant differences in the ratio of CD3-positive peripheral blood lymphocytes between RTG and N-RTG. Thus, resistance training during HDT bed rest might not have a significant effect on changes in the ratios of CD3-positive PBL.

Original languageEnglish
Pages (from-to)200
Number of pages1
JournalBiological sciences in space = Uchū seibutsu kagaku
Volume17
Issue number3
Publication statusPublished - 2003 Oct
Externally publishedYes

Fingerprint

Head-Down Tilt
Bed Rest
Resistance Training
Lymphocyte Subsets
Weightlessness
Lymphocytes
Astronauts
Space Flight
Human Body
Fluorescent Antibody Technique
Volunteers
Staining and Labeling

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Effect of resistance training on changes in lymphocyte subpopulation during head-down-tilt bed rest. / Wakimizu, Rie; Chen, Zheng; Fukuoka, Hideoki; Suzuki, Nobuo; Nomura, Jun.

In: Biological sciences in space = Uchū seibutsu kagaku, Vol. 17, No. 3, 10.2003, p. 200.

Research output: Contribution to journalArticle

Wakimizu, Rie ; Chen, Zheng ; Fukuoka, Hideoki ; Suzuki, Nobuo ; Nomura, Jun. / Effect of resistance training on changes in lymphocyte subpopulation during head-down-tilt bed rest. In: Biological sciences in space = Uchū seibutsu kagaku. 2003 ; Vol. 17, No. 3. pp. 200.
@article{a6482d02e45a4b229d08841440df7ca3,
title = "Effect of resistance training on changes in lymphocyte subpopulation during head-down-tilt bed rest.",
abstract = "Head-down-tilt (HDT) bed rest imitates microgravity-like conditions for a supine human body on the ground. On the other hand, resistance training is used to eliminate unfavorable physical changes in astronauts under a microgravity environment during spaceflight. Twelve healthy males voluntarily participated in a 20-day -6 degrees HDT bed rest study. The ratio of CD3-positive peripheral blood lymphocytes were analyzed by immunofluorescence staining. Volunteers who undertook resistance-training during HDT bed rest were designated as the resistance training group (RTG), and those who did not as non-resistance-training group (N-RTG). We could not observe significant differences in the ratio of CD3-positive peripheral blood lymphocytes between RTG and N-RTG. Thus, resistance training during HDT bed rest might not have a significant effect on changes in the ratios of CD3-positive PBL.",
author = "Rie Wakimizu and Zheng Chen and Hideoki Fukuoka and Nobuo Suzuki and Jun Nomura",
year = "2003",
month = "10",
language = "English",
volume = "17",
pages = "200",
journal = "Biological sciences in space = Uchū seibutsu kagaku",
issn = "0914-9201",
publisher = "Nihon Uchu Seibutsu Kagakka/Japanese Society for Biological Sciences in Space",
number = "3",

}

TY - JOUR

T1 - Effect of resistance training on changes in lymphocyte subpopulation during head-down-tilt bed rest.

AU - Wakimizu, Rie

AU - Chen, Zheng

AU - Fukuoka, Hideoki

AU - Suzuki, Nobuo

AU - Nomura, Jun

PY - 2003/10

Y1 - 2003/10

N2 - Head-down-tilt (HDT) bed rest imitates microgravity-like conditions for a supine human body on the ground. On the other hand, resistance training is used to eliminate unfavorable physical changes in astronauts under a microgravity environment during spaceflight. Twelve healthy males voluntarily participated in a 20-day -6 degrees HDT bed rest study. The ratio of CD3-positive peripheral blood lymphocytes were analyzed by immunofluorescence staining. Volunteers who undertook resistance-training during HDT bed rest were designated as the resistance training group (RTG), and those who did not as non-resistance-training group (N-RTG). We could not observe significant differences in the ratio of CD3-positive peripheral blood lymphocytes between RTG and N-RTG. Thus, resistance training during HDT bed rest might not have a significant effect on changes in the ratios of CD3-positive PBL.

AB - Head-down-tilt (HDT) bed rest imitates microgravity-like conditions for a supine human body on the ground. On the other hand, resistance training is used to eliminate unfavorable physical changes in astronauts under a microgravity environment during spaceflight. Twelve healthy males voluntarily participated in a 20-day -6 degrees HDT bed rest study. The ratio of CD3-positive peripheral blood lymphocytes were analyzed by immunofluorescence staining. Volunteers who undertook resistance-training during HDT bed rest were designated as the resistance training group (RTG), and those who did not as non-resistance-training group (N-RTG). We could not observe significant differences in the ratio of CD3-positive peripheral blood lymphocytes between RTG and N-RTG. Thus, resistance training during HDT bed rest might not have a significant effect on changes in the ratios of CD3-positive PBL.

UR - http://www.scopus.com/inward/record.url?scp=47149090009&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=47149090009&partnerID=8YFLogxK

M3 - Article

C2 - 14676373

AN - SCOPUS:47149090009

VL - 17

SP - 200

JO - Biological sciences in space = Uchū seibutsu kagaku

JF - Biological sciences in space = Uchū seibutsu kagaku

SN - 0914-9201

IS - 3

ER -