Detection, Analysis and Interactions of Plasma Ghrelin, Leptin and Growth Hormone in the Mink (Mustela vison)

Ryökkynen, Ari; Mustonen, Anne‐Mari; Pyykönen, Teija; Hänninen, Sari; Asikainen, Juha; Kukkonen, Jussi V. K.; Mononen, Jaakko; Nieminen, Petteri

doi:10.2108/zsj.20.1127

Cited by 7 publications

(7 citation statements)

References 34 publications

(55 reference statements)

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“…0.38 ng/ml in males and approx. 0.53 ng/ml in females (Ryökkynen et al, 2003). These are values lower than those stated in rats (2.4-2.8 ng/ml) and people (1.1-1.9 ng/ml) and higher from the concentration of GH marked in the raccoon dog plasma (0.1-0.3 ng/ml) (Mustonen et al, 2001;Nieminen et al, 2002;Barkan et al, 2003).…”

Section: Production In Physiological Conditionsmentioning

confidence: 53%

“…These are values lower than those stated in rats (2.4-2.8 ng/ml) and people (1.1-1.9 ng/ml) and higher from the concentration of GH marked in the raccoon dog plasma (0.1-0.3 ng/ml) (Mustonen et al, 2001;Nieminen et al, 2002;Barkan et al, 2003). It has also been proven that there exists a positive correlation between the concentration of the growth hormone in the blood and the body weight, as well as between the concentration of leptin and ghrelin in the blood plasma of American mink (Ryökkynen et al, 2003).…”

Section: Production In Physiological Conditionsmentioning

confidence: 97%

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Growth hormone and growth hormone gene of the American mink (Neovison vison) – the current state of knowledge of one of the key hormones in one of the most intensively economically exploited species

Skorupski

2017

Acta Biologica

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Section: Production In Physiological Conditionsmentioning

confidence: 53%

Section: Production In Physiological Conditionsmentioning

confidence: 97%

Growth hormone and growth hormone gene of the American mink (Neovison vison) – the current state of knowledge of one of the key hormones in one of the most intensively economically exploited species

Skorupski

2017

Acta Biologica

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“…Moreover, relationships were also demonstrated between the status of other hormones involved in metabolism such as thyroid hormones, insulin, glycocorticoids or estrogens and leptin concentration in the blood of humans and rodents (KIEFFER et al 1996;SHIMIZU et al 1997;DIEKMAN et al 1998;FRIED et al 2000). In experiments carried out on carnivorous fur animals, both wild and farm kept, changes in leptin concentrations in the blood of foxes, minks and raccoon dogs were investigated taking into consideration seasonal changes and endocrine adaptation of organisms to a periodical lack of food (NIEMINEN et al 2002;RYÖKKYNEN et al 2003;ASIKAINEN et al 2004;FUGLEI et al 2004;MUSTONEN et al 2005). However, no information was found in the literature about the impact of age of fur animals on the level of this hormone in blood.…”

Section: Discussionmentioning

confidence: 99%

The Level of Selected Hormones in Peripheral Blood in Female Polar Foxes (Alopex lagopus L.) in Relation to Age

Szymeczko

Maćkowiak²,

Piotrowska³

et al. 2009

folia biol (krakow)

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The level of selected hormones in peripheral blood in female polar foxes (Alopex lagopus L.) in relation to age. Folia biol. (Kraków) 57: 213-218. The objective of the study was to determine the concentration profile of selected hormones in the blood serum of blue polar fox vixens at various ages during the non-mating period, three months after lactation. The investigation was performed on 50 clinically healthy female polar foxes derived from a domestic reproductive farm. The animals were divided into 5 age groups (n=10) ranging from the 1 to 5 years of life. In the blood serum the contents of insulin, triiodothyronine (total and free), thyroxin (total and free), leptin and ghrelin (total and active) were determined. No significant, female age-dependent differences were found in the contents of insulin, total and free triiodothyronine and total ghrelin in the blood serum. Significant (P<0.05) differences were observed in the concentration of total and free thyroxin (the highest in the blood of 4-year old females) as well as leptin and active ghrelin (the lowest and the highest content in 3-year old vixens). However, no distinct, female age-dependent tendencies for change in the content of these hormones in the blood serum were observed.

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“…Hormones like leptin affect the metabolism of the mother, regulating the availability of nutrients to the fetus (4). On the other hand, plasma leptin concentrations correlate positively with the body fat content in humans (4,11) and minks (14).…”

Section: Praca Oryginalnamentioning

confidence: 99%

Relationship between body weight and leptin concentrations in mink dams and the birth parameters of kits

Bryl¹,

Bis-Wencel²,

Ślaska³

et al. 2016

Medycyna Weterynaryjna

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SummaryThe aim of this study was to assess the impact of the leptin concentration and body weight of mink females on the birth parameters of their kits. Blood samples were collected 3 times during preparation for reproduction, 7 ± 2 days before mating. Total leptin concentration in serum was measured using commercial RIA kits (Millipore, St. Charles, Missouri USA). Research was conducted on 20 clinically healthy scanbrown female minks (Neovison vison) aged 2-3 years. To evaluate their body condition, the females were divided into two groups based on the BCS scoring system. In the first group, referred to as BCS 2, lean females were included, and the second group (BCS 4) consisted of obese females.In mink dams belonging to BCS 2, the average leptin values were one-fourth of those in the BCS 4 group. The results obtained indicate the influence of the body mass of minks during preparation for reproduction on serum leptin concentration. The results of the Mann-Whitney U test showed a statistically significant difference between weights and leptin concentrations in groups BCS 2 and BCS 4. Among the other traits, such differences were not found. The analysis of results obtained in the two mink groups did not reveal a clear relationship between leptin in the serum of mothers before mating and the birth parameters of their kits.

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Detection, Analysis and Interactions of Plasma Ghrelin, Leptin and Growth Hormone in the Mink (Mustela vison)

Cited by 7 publications

References 34 publications

Growth hormone and growth hormone gene of the American mink (Neovison vison) – the current state of knowledge of one of the key hormones in one of the most intensively economically exploited species

Growth hormone and growth hormone gene of the American mink (Neovison vison) – the current state of knowledge of one of the key hormones in one of the most intensively economically exploited species

The Level of Selected Hormones in Peripheral Blood in Female Polar Foxes (Alopex lagopus L.) in Relation to Age

Relationship between body weight and leptin concentrations in mink dams and the birth parameters of kits

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