James J Nagler
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Explore the profile of James J Nagler including associated specialties, affiliations and a list of published articles.
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29
Citations
258
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Recent Articles
1.
Jenkins L, Medeiros L, Cervantes D, Nagler J, Pierce A
Comp Biochem Physiol A Mol Integr Physiol
. 2023 Aug;
285:111510.
PMID: 37652290
In iteroparous female salmonids, the growth and reproductive endocrine axes interact during the period after spawning. Energy depletion due to pre-spawn fasting, migration, and ovarian development must be restored, and...
2.
Hoffman N, Medeiros L, Graham N, Nuetzel H, Pierce A, Nagler J
Conserv Physiol
. 2023 Jan;
11(1):coac085.
PMID: 36694597
Hatchery programs designed to conserve and increase the abundance of natural populations of spring Chinook Salmon O have reported high proportions of males precociously maturing at age 2, called minijacks....
3.
Jenkins L, Medeiros L, Graham N, Hoffman B, Cervantes D, Hatch D, et al.
Gen Comp Endocrinol
. 2022 Dec;
332:114181.
PMID: 36455641
Consecutive and skip repeat spawning (1- or ≥2-year spawning interval) life histories commonly occur in seasonally breeding iteroparous fishes. Spawning interval variation is driven by energetic status and impacts fisheries...
4.
Medeiros L, Nagler J, Pierce A
Comp Biochem Physiol A Mol Integr Physiol
. 2020 Jul;
248:110751.
PMID: 32629088
The GH/IGF-I axis influences many aspects of salmonid life history and is involved in a variety of physiological processes that are related to somatic growth (e.g., reproduction, smoltification, and the...
5.
Jenkins L, Pierce A, Graham N, Medeiros L, Hatch D, Nagler J
Conserv Physiol
. 2019 Aug;
7(1):coz038.
PMID: 31380109
Many iteroparous fishes spawn after skipping one or more yearly cycles, which impacts recruitment estimates used for fisheries management and conservation. The physiological mechanisms underlying the development of consecutive and...
6.
Jia Y, Cavileer T, Nagler J
Comp Biochem Physiol A Mol Integr Physiol
. 2016 Jul;
201:156-161.
PMID: 27421238
Heat shock proteins (HSPs) are induced upon elevated temperature in fishes. HSPs also function as molecular chaperones for cellular proteins, including steroid hormone receptors. Estrogen receptors (ERs) are critical for...
7.
Gillies K, Krone S, Nagler J, Schultz I
PLoS Comput Biol
. 2016 Apr;
12(4):e1004874.
PMID: 27096735
Reproduction in fishes and other vertebrates represents the timely coordination of many endocrine factors that culminate in the production of mature, viable gametes. In recent years there has been rapid...
8.
Caldwell L, Pierce A, Riley L, Duncan C, Nagler J
PLoS One
. 2014 Jan;
9(1):e85700.
PMID: 24416444
The metabolic peptide hormone nesfatin-1 has been linked to the reproductive axis in fishes. The purpose of this study was to determine how energy availability after spawning affects plasma levels...
9.
Schultz I, Nagler J, Swanson P, Wunschel D, Skillman A, Burnett V, et al.
Toxicol Sci
. 2013 Sep;
136(2):413-29.
PMID: 24072461
The toxicokinetics of trenbolone was characterized during 500 ng/l water exposures in female rainbow trout (Oncorhynchus mykiss) and fathead minnows (Pimephales promelas). Related experiments measured various toxicodynamic effects of exposure....
10.
Caldwell L, Pierce A, Nagler J
Gen Comp Endocrinol
. 2013 Sep;
194:124-32.
PMID: 24060463
To determine how energy balance affects metabolic hormones hypothesized to play a role in the onset of a new reproductive cycle in iteroparous salmonids, food availability after spawning was restricted...