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Items: 1 to 20 of 113

1.
2.

Grizzly bears (Ursus arctos horribilis) and black bears (Ursus americanus) prevent trabecular bone loss during disuse (hibernation).

McGee-Lawrence ME, Wojda SJ, Barlow LN, Drummer TD, Castillo AB, Kennedy O, Condon KW, Auger J, Black HL, Nelson OL, Robbins CT, Donahue SW.

Bone. 2009 Dec;45(6):1186-91. doi: 10.1016/j.bone.2009.08.011. Epub 2009 Aug 21.

3.

Six months of disuse during hibernation does not increase intracortical porosity or decrease cortical bone geometry, strength, or mineralization in black bear (Ursus americanus) femurs.

McGee-Lawrence ME, Wojda SJ, Barlow LN, Drummer TD, Bunnell K, Auger J, Black HL, Donahue SW.

J Biomech. 2009 Jul 22;42(10):1378-83. doi: 10.1016/j.jbiomech.2008.11.039. Epub 2009 May 17.

4.

Parathyroid hormone may maintain bone formation in hibernating black bears (Ursus americanus) to prevent disuse osteoporosis.

Donahue SW, Galley SA, Vaughan MR, Patterson-Buckendahl P, Demers LM, Vance JL, McGee ME.

J Exp Biol. 2006 May;209(Pt 9):1630-8.

5.

Black bears with longer disuse (hibernation) periods have lower femoral osteon population density and greater mineralization and intracortical porosity.

Wojda SJ, Weyland DR, Gray SK, McGee-Lawrence ME, Drummer TD, Donahue SW.

Anat Rec (Hoboken). 2013 Aug;296(8):1148-53. doi: 10.1002/ar.22720. Epub 2013 Jun 1.

7.

Suppressed bone remodeling in black bears conserves energy and bone mass during hibernation.

McGee-Lawrence M, Buckendahl P, Carpenter C, Henriksen K, Vaughan M, Donahue S.

J Exp Biol. 2015 Jul;218(Pt 13):2067-74. doi: 10.1242/jeb.120725.

8.
9.

Hibernating bears as a model for preventing disuse osteoporosis.

Donahue SW, McGee ME, Harvey KB, Vaughan MR, Robbins CT.

J Biomech. 2006;39(8):1480-8. Epub 2005 Jun 21.

PMID:
15975583
10.
11.

Bone formation is not impaired by hibernation (disuse) in black bears Ursus americanus.

Donahue SW, Vaughan MR, Demers LM, Donahue HJ.

J Exp Biol. 2003 Dec;206(Pt 23):4233-9.

12.

Investigating the mechanism for maintaining eucalcemia despite immobility and anuria in the hibernating American black bear (Ursus americanus).

Seger RL, Cross RA, Rosen CJ, Causey RC, Gundberg CM, Carpenter TO, Chen TC, Halteman WA, Holick MF, Jakubas WJ, Keisler DH, Seger RM, Servello FA.

Bone. 2011 Dec;49(6):1205-12. doi: 10.1016/j.bone.2011.08.017. Epub 2011 Aug 26.

PMID:
21893223
13.

Vitamin D status and bone and connective tissue turnover in brown bears (Ursus arctos) during hibernation and the active state.

Vestergaard P, Støen OG, Swenson JE, Mosekilde L, Heickendorff L, Fröbert O.

PLoS One. 2011;6(6):e21483. doi: 10.1371/journal.pone.0021483. Epub 2011 Jun 23.

14.

Polar bears (Ursus maritimus), the most evolutionary advanced hibernators, avoid significant bone loss during hibernation.

Lennox AR, Goodship AE.

Comp Biochem Physiol A Mol Integr Physiol. 2008 Feb;149(2):203-8. doi: 10.1016/j.cbpa.2007.11.012.

PMID:
18249018
15.

Mammalian hibernation as a model of disuse osteoporosis: the effects of physical inactivity on bone metabolism, structure, and strength.

McGee-Lawrence ME, Carey HV, Donahue SW.

Am J Physiol Regul Integr Comp Physiol. 2008 Dec;295(6):R1999-2014. doi: 10.1152/ajpregu.90648.2008. Epub 2008 Oct 8. Review.

16.

Cardiac function adaptations in hibernating grizzly bears (Ursus arctos horribilis).

Nelson OL, Robbins CT.

J Comp Physiol B. 2010 Mar;180(3):465-73. doi: 10.1007/s00360-009-0421-x. Epub 2009 Nov 26.

PMID:
19940994
17.

Yellow-bellied marmots (Marmota flaviventris) preserve bone strength and microstructure during hibernation.

Wojda SJ, McGee-Lawrence ME, Gridley RA, Auger J, Black HL, Donahue SW.

Bone. 2012 Jan;50(1):182-8. doi: 10.1016/j.bone.2011.10.013. Epub 2011 Oct 20.

18.

Serum markers of bone metabolism show bone loss in hibernating bears.

Donahue SW, Vaughan MR, Demers LM, Donahue HJ.

Clin Orthop Relat Res. 2003 Mar;(408):295-301.

PMID:
12616074
19.

Preservation of bone mass and structure in hibernating black bears (Ursus americanus) through elevated expression of anabolic genes.

Fedorov VB, Goropashnaya AV, Tøien Ø, Stewart NC, Chang C, Wang H, Yan J, Showe LC, Showe MK, Donahue SW, Barnes BM.

Funct Integr Genomics. 2012 Jun;12(2):357-65. doi: 10.1007/s10142-012-0266-3. Epub 2012 Feb 18.

20.

Hibernation-associated changes in persistent organic pollutant (POP) levels and patterns in British Columbia grizzly bears (ursus arctos horribilis).

Christensen JR, MacDuffee M, Yunker MB, Ross PS.

Environ Sci Technol. 2007 Mar 15;41(6):1834-40.

PMID:
17410772
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