Zobrazeno 1 - 10
of 35
pro vyhledávání: '"L. J. Spicer"'
Publikováno v:
Journal of animal science. 95(3)
Tight junctions (TJ) are common paracellular sealing structures that control the transport of water, ions, and macromolecules across cell layers. Because the role of TJ in bovine follicular development is unknown, we investigated the developmental an
Autor:
R. E. Adams, K. Neier, L. J. Spicer, Brent L. Finley, Jennifer S. Pierce, M. E. Glynn, Shannon H. Gaffney, A. Abelmann
Publikováno v:
Journal of Occupational and Environmental Hygiene. 8:686-699
An exposure simulation study was conducted to characterize potential formaldehyde exposures of salon workers and clients during keratin hair smoothing treatments. Four different hair treatment brands (Brazilian Blowout, Coppola, Global Keratin, and L
Autor:
M J, Cooper-Prado, N M, Long, M P, Davis, E C, Wright, R D, Madden, J W, Dilwith, C L, Bailey, L J, Spicer, R P, Wettemann
Publikováno v:
Journal of animal science. 92(8)
Gestating Angus, nonlactating, spring-calving cows were used to determine variation in maintenance energy requirements (MR); to evaluate the relationship among MR and cow and calf performance, plasma concentrations of IGF-I, T4, glucose, insulin, and
Publikováno v:
Journal of animal science. 92(2)
The objectives of this study were to investigate the effects of fibroblast growth factor 9 (FGF9) on hormone-stimulated porcine granulosa cell proliferation and steroid production and to further elucidate the hormonal and developmental control of FGF
Publikováno v:
Journal of animal science. 90(11)
Follicle-stimulating hormone regulation of estrogen biosynthesis in the adult rodent ovary requires β-catenin (CTNNB1), but whether CTNNB1 is involved in FSH-induced estrogen production in cattle is unknown. To elucidate the effect of FSH in regulat
Publikováno v:
Journal of animal science. 90(7)
Cattle genetically selected for twin ovulations and births (Twinner) exhibit increased ovarian follicular development, increased ovulation rate, and greater blood and follicular fluid IGF-1 concentrations compared with contemporary cattle not selecte
Autor:
L C, Caldwell, C C, Chase, D G, Riley, S W, Coleman, W A, Phillips, L J, Spicer, T H, Welsh, R D, Randel
Publikováno v:
Journal of animal science. 89(12)
In an effort to determine whether tropical adaptation influences circulating concentrations of the growth-related hormone IGF-I, 3-breed diallel matings were conducted using temperate Bos taurus (Angus), tropical Bos indicus (Brahman), and tropical B
Publikováno v:
Journal of animal science. 89(6)
Ovarian follicular growth and development are regulated by extraovarian and intraovarian factors, which influence granulosa cell proliferation and differentiation. However, the molecular mechanisms that drive follicular growth are not completely unde
Publikováno v:
Journal of animal science. 87(6)
Insulin-like growth factor-I in conjunction with gonadotropins are important stimulators of mitosis and ovarian steroid production by granulosa and thecal cells, which are required for normal oocyte development and hormonal feedback signaling to the
Publikováno v:
Journal of animal science. 86(10)
The objective of this study was to determine the effects of BCS at calving and the amount of postpartum protein supplementation on the dominant follicle (DF) and behavioral characteristics at the first postpartum estrus of mature beef cows. Multiparo