Results 91 to 100 of about 193 (117)
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The volcano mouse Neotomodon alstoni of central Mexico, a biological model in the study of breeding, obesity and circadian rhythms

General and Comparative Endocrinology, 2019
The "Mexican volcano mouse" Neotomodon alstoni, is endemic of the Transverse Neovolcanic Ridge in central Mexico. It is considered as least concern species and has been studied as a potential laboratory model from different perspectives. Two lines of research in neuroendocrinology have been addressed: reproduction and parental care, particularly ...
M, Miranda-Anaya   +3 more
openaire   +2 more sources

Obese Neotomodon alstoni mice exhibit sexual dimorphism in the daily profile of circulating melatonin and clock proteins PER1 and BMAL1 in the hypothalamus and peripheral oscillators

Chronobiology International, 2021
Obesity is a global health threat and a risk factor for several metabolic conditions. Though circadian dysfunction has been considered among the multiple causes of obesity, little work has been done to explore the relationship between obesity, circadian dysfunction, and sexual dimorphism.
Elvira Del Carmen, Arellanes-Licea   +4 more
openaire   +2 more sources

Obesity alters the daily sleep homeostasis and metabolism of the volcano mouseNeotomodon alstoni

Biological Rhythm Research, 2012
Some Mexican volcano mice (Neotomodon alstoni), when in captivity and fed regularly on a laboratory rodents’ diet, develop obesity. The aims of the present work are to compare lean and obese mice with regard to the main characteristics of the sleep–wake cycle in 12:12 LD, and to investigate if there is a correlation with changes in metabolic-related ...
Fuentes-Granados Citlalli   +4 more
openaire   +1 more source

Neotomodon alstoni mice present sex differences between lean and obese in daily hypothalamic leptin signaling

Chronobiology International, 2017
This article compared the effects of spontaneous obesity on the daily profile in the relative amount of the leptin receptor (LepRb), and its output. That is the precursor Pro-opiomelanocortin (POMC) over a 24-hour period and compared with differences in locomotion and food intake in periods of artificial light.
Moisés Pérez-Mendoza   +6 more
openaire   +2 more sources

Effects of obesity on circadian photic entrainment of locomotor activity in wild miceNeotomodon alstoni

Biological Rhythm Research, 2016
AbstractObesity is increasing in industrialized countries at an alarming rate. Recent studies have linked this condition with changes in the circadian regulation, and circadian clock dysfunctions have also been linked to metabolic disorders. When in captivity and fed a regular rodent chow diet ad libitum some volcano mice, Neotomodon alstoni (endemic ...
Manuel Miranda-Anaya   +2 more
openaire   +1 more source

Ryanodine receptor binding constants in skeletal muscle, heart, brain and liver of the Mexican volcano mouse (Neotomodon alstoni alstoni; rodentia: cricetidae). Comparison with five other rodent species

The International Journal of Biochemistry & Cell Biology, 1997
Equilibrium [3H]ryanodine binding assay was applied to total membrane fractions of six rodent species, including the Mexican volcano mouse Neotomodon alstoni alstoni, Wistar rat Rattus norvegicus albinus, golden hamster Mesocritus auratus, gerbil Meriones unguiculatus, guinea-pig Cavia porcellus, and ground squirrel Spermophillus mexicanus.
T, Martínez-Merlos   +2 more
openaire   +2 more sources

Daily profile in ghrelin and hypothalamic ghrelin receptors in obese and lean mice Neotomodon alstoni

Biological Rhythm Research, 2017
Mice Neotomodon alstoni develops, in some individuals, overweight and obesity when kept in vivarium conditions and fed on standard rodent diet.
Dalia Luna-Moreno   +3 more
openaire   +1 more source

Testosterone replacement induced paternal behaviour in the Mexican volcano mouseNeotomodon alstoni(Rodentia Muridae)

Ethology Ecology & Evolution, 2012
Although the first studies that correlated paternal behaviour and testosterone levels in plasma reported that this hormone may have an inhibitory effect in paternal behaviour of the mammals, subsequent studies indicated that this steroid hormone is necessary for the displaying of paternal behaviour. We examined the effect of castration and testosterone
J. Luis   +5 more
openaire   +1 more source

Affectations in photic and thermic circadian entrainment of the locomotor activity rhythm in obese volcano mouse Neotomodon alstoni

Biological Rhythm Research, 2019
Obesity affects the ability of both photic and non-photic entrainment of the locomotor activity's circadian rhythm in the volcano mouse Neotomodon alstoni.
Manuel Miranda-Anaya   +5 more
openaire   +1 more source

Day-night variations in pro-oxidant reactions of hypothalamic, hepatic and pancreatic tissue in mice with spontaneous obesity (Neotomodon alstoni)

Biological Rhythm Research, 2015
Objectives: The present work compares the pro-oxidant properties in hypothalamic, hepatic, and pancreatic tissue of spontaneously obese and lean Neotomodon alstoni during day and night. Methods: Lipid peroxidation from hypothalamus, liver, and pancreas from lean and obese mice were quantified by the two-thiobarbituric acid method. Lipid peroxidation in
Olivia Vázquez-Martínez   +6 more
openaire   +1 more source

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