scholarly journals The metabolic outcomes of growth hormone treatment in children are gender specific

2018 ◽  
Vol 7 (7) ◽  
pp. 879-887 ◽  
Author(s):  
Alessandro Ciresi ◽  
Stefano Radellini ◽  
Valentina Guarnotta ◽  
Maria Grazia Mineo ◽  
Carla Giordano
Keyword(s):  
Growth Hormone ◽  
Insulin Sensitivity ◽  
Metabolic Parameters ◽  
Sensitivity Index ◽  
Prepubertal Children ◽  
Metabolic Outcomes ◽  
Significant Difference ◽  
Igf I ◽  
Males And Females ◽  
The Impact

Objective To evaluate the impact of gender on the clinical and metabolic parameters in prepubertal growth hormone deficiency (GHD) children at diagnosis and during GH treatment (GHT). Design The data of 105 prepubertal children (61 males, 44 females, mean age 6.8 ± 0.7 years) affected by idiopathic GHD were retrospectively evaluated. Methods Body height, BMI, waist circumference (WC), IGF-I, HbA1c, lipid profile, fasting and after-OGTT glucose and insulin levels, insulin sensitivity and secretion indices were evaluated at baseline and after 24 months of GHT. Results At baseline, no significant difference was found in all clinical, hormonal and metabolic parameters between males and females. After 24 months of GHT, both males and females showed a significant increase in height (both P < 0.001), BMI (both P < 0.001), WC (P < 0.001 and P = 0.004, respectively), IGF-I (both P < 0.001), fasting glucose (P < 0.001 and P = 0.001, respectively), fasting insulin (both P < 0.001) and Homa-IR (both P < 0.001), with a concomitant significant decrease in insulin sensitivity index (ISI) (both P < 0.001) and oral disposition index (DIo) (P = 0.001 and P < 0.001, respectively). At 24 months of GHT, females showed significantly higher BMI (P = 0.027), lower ISI (P < 0.001) and DIo (P < 0.001), in concomitance with a significant greater change from baseline to 24 months of BMI (P = 0.013), WC (P < 0.001), ISI (P = 0.002) and DIo (P = 0.072), although the latter does not reach statistical significance. Conclusions Twenty-four months of GHT in prepubertal children leads to different metabolic outcomes according to gender, with a greater reduction in insulin sensitivity in females, regardless of auxological and hormonal parameters. Therefore, prepubertal GHD females should probably need a more proper monitoring in clinical practice.

Impact of Overweight on Effectiveness of Treatment with Human Growth Hormone in Growth Hormone Deficient Children: Analysis of German KIGS Data

2011 ◽  
Vol 119 (09) ◽  
pp. 544-548 ◽  
Author(s):  
T. Reinehr ◽  
S. Bechtold-Dalla Pozza ◽  
M. Bettendorf ◽  
H.-G. Doerr ◽  
B. Gohlke ◽  
...  
Keyword(s):  
Growth Hormone ◽  
Growth Velocity ◽  
Normal Weight ◽  
First Year ◽  
Overweight Children ◽  
Gh Treatment ◽  
Prepubertal Children ◽  
Significant Difference ◽  
Igf I ◽  
Group A

AbstractWe hypothesized that overweight children with growth hormone deficiency (GHD) demonstrate a lower response to growth hormone (GH) as a result of a misclassification since obesity is associated with lower GH peaks in stimulation tests.Anthropometric data, response, and responsiveness to GH in the first year of treatment were compared in 1.712 prepubertal children with GHD from the German KIGS database according to BMI (underweight=group A, normal weight=group B, overweight=group C) (median age: group A, B, C: 7.3, 7.28, and 8.4 years).Maximum GH levels to tests (median: group A, B, C: 5.8, 5.8, and 4.0 µg/ml) were significantly lower in group C. IGF-I SDS levels were not different between the groups. Growth velocity in the first year of GH treatment was significantly lower in the underweight cohort (median: group A, B, C: 8.2, 8.8, and 9.0 cm/yr), while the gain in height was not different between groups. The difference between observed and predicted growth velocity expressed as Studentized residuals was not significantly different between groups. Separating the 164 overweight children into obese children (BMI>97th centile; n=71) and moderate overweight children (BMI>90th to 97th centile, n=93) demonstrated no significant difference in any parameter.Overweight prepubertal children with idiopathic GHD demonstrated similar levels of responsiveness to GH treatment compared to normal weight children. Furthermore, the IGF-I levels were low in overweight children. Therefore, a misclassification of GHD in overweight prepubertal children within the KIGS database seems unlikely. The first year growth prediction models can be applied to overweight and obese GHD children.

Loss of growth hormone signaling in the mouse germline or in adulthood reduces islet mass and alters islet function with notable sex differences

2021 ◽  
Author(s):  
Silvana Duran-Ortiz ◽  
Kathryn L. Corbin ◽  
Ishrat Jahan ◽  
Nicholas B. Whitticar ◽  
Sarah E Morris ◽  
...  
Keyword(s):  
Growth Hormone ◽  
Insulin Secretion ◽  
Insulin Sensitivity ◽  
Glucose Tolerance ◽  
Body Fat ◽  
Isolated Islets ◽  
Wild Type ◽  
Cross Sectional ◽  
Islet Mass ◽  
The Impact

In the endocrine pancreas, growth hormone (GH) is known to promote pancreatic islet growth and insulin secretion. In this study, we show that GH receptor (GHR) loss in the germline and in adulthood impacts islet mass in general but more profoundly in male mice. GHR knockout (GHRKO) mice have enhanced insulin sensitivity and low circulating insulin. We show that the total cross-sectional area of isolated islets (estimated islet mass) was reduced by 72% in male but by only 29% in female GHRKO mice compared to wild type controls. Also, islets from GHRKO mice secreted ~50% less glucose-stimulated insulin compared to size-matched islets from wild type mice. We next used mice with a floxed Ghr gene to knock down the GHR in adult mice at six-months of age (6mGHRKO) and examined the impact on glucose and islet metabolism. By 12-months of age, female 6mGHRKO mice had increased body fat and reduced islet mass but had no change in glucose tolerance or insulin sensitivity. However, male 6mGHRKO mice had nearly twice as much body fat, substantially reduced islet mass, and enhanced insulin sensitivity, but no change in glucose tolerance. Despite large losses in islet mass, glucose-stimulated insulin secretion from isolated islets was not significantly different between male 6mGHRKO and controls while isolated islets from female 6mGHRKO mice showed increased glucose-stimulated insulin release. Our findings demonstrate the importance of GH to islet mass throughout life and that unique sex-specific adaptations to the loss of GH signaling allow mice to maintain normal glucose metabolism.

scholarly journals Effects of a Meal Replacement on Body Composition and Metabolic Parameters among Subjects with Overweight or Obesity

2018 ◽  
Vol 2018 ◽  
pp. 1-10 ◽  
Author(s):  
Xiaohui Guo ◽  
Yifan Xu ◽  
Hairong He ◽  
Hao Cai ◽  
Jianfen Zhang ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Body Composition ◽  
Total Energy ◽  
Intervention Group ◽  
Overweight And Obesity ◽  
Metabolic Parameters ◽  
Control Group ◽  
Meal Replacement ◽  
Significant Difference ◽  
The Impact

Meal replacement plans are effective tools for weight loss and improvement of various clinical characteristics but not sustainable due to the severe energy restriction. The aim of the study was to evaluate the impact of meal replacement, specifically 388 kcal in total energy, on body composition and metabolic parameters in individuals with overweight and obesity from a Chinese population. A parallel, randomized controlled trial was performed with 174 participants (ChiCTR-OOC-17012000). The intervention group (N=86) was provided with a dinner meal replacement, and the control group (N=88) continued their routine diet as before. Body composition and blood parameters were assessed at 0, 4, 8, and 12 weeks. A post hoc analysis (least significant difference (LSD) test), repeated measurements, and pairedT-test were used to compare each variable within and between groups. Significant (p<0.001) improvements in body composition components were observed among the intervention group, including body weight (−4.3 ± 3.3%), body mass index (−4.3 ± 3.3%), waist circumference (−4.3 ± 4.4%), fat-free mass (−1.8 ± 2.9%), and body fat mass (−5.3 ± 8.8%). Body composition improvements corresponded with significant metabolic improvements of blood glucose (−4.7 ± 9.8%). Further improvements in visceral fat area (−7.7 ± 10.1%), accompanying with improvements in systolic (−3.7 ± 6.9%) and diastolic (−5.3 ± 7.7%) blood pressure, were only found in male subjects. To conclude, meal replacement intake with 388 kcal in total energy at dinner time for 12 weeks contributed to improvement in body composition and clinically significant metabolic parameters in both male and female participants with overweight/obesity. Additionally, glucose and blood pressure reduction were gender-specific highlighting the importance of gender stratification for design of nutritional intervention studies for improvement of health.

scholarly journals Significance of Direct Confirmation of Growth Hormone Insensitivity for the Diagnosis of Primary IGF-I Deficiency

2020 ◽  
Vol 9 (1) ◽  
pp. 240
Author(s):  
Joanna Smyczyńska ◽  
Urszula Smyczyńska ◽  
Maciej Hilczer ◽  
Renata Stawerska ◽  
Andrzej Lewiński
Keyword(s):  
Growth Hormone ◽  
Final Height ◽  
Standard Deviation Score ◽  
Height Velocity ◽  
Gh Therapy ◽  
Significant Difference ◽  
Igf I ◽  
Growth Hormone Insensitivity ◽  
Stimulation Tests ◽  
Direct Confirmation

Primary insulin-like growth factor-I (IGF-I) deficiency is a synonym of growth hormone (GH) insensitivity (GHI), however the necessity of direct confirmation of GH resistance by IGF-I generation test (IGF-GT) is discussed. GHI may disturb intrauterine growth, nevertheless short children born small for gestational age (SGA) are treated with GH. We tested the hypothesis that children with appropriate birth size (AGA), height standard deviation score (SDS) <−3.0, GH peak in stimulation tests (stimGH) ≥10.0 µg/L, IGF-I <2.5 centile, and excluded GHI may benefit during GH therapy. The analysis comprised 21 AGA children compared with 6 SGA and 20 GH-deficient ones, with height SDS and IGF-I as in the studied group. All patients were treated with GH up to final height (FH). Height velocity, IGF-I, and IGF binding protein-3 (IGFBP-3) concentrations before and during first year of treatment were assessed. Effectiveness of therapy was better in GHD than in IGF-I deficiency (IGFD), with no significant difference between SGA and AGA groups. All but two AGA children responded well to GH. Pretreatment IGF-I and increase of height velocity (HV) during therapy but not the result of IGF-GT correlated with FH. As most AGA children with apparent severe IGFD benefit during GH therapy, direct confirmation of GHI seems necessary to diagnose true primary IGFD in them.

scholarly journals Glucose homeostasis and insulin sensitivity in growth hormone-transgenic mice: a cross-sectional analysis

2010 ◽  
Vol 391 (10) ◽  
Author(s):  
Ravneet K. Boparai ◽  
Oge Arum ◽  
Romesh Khardori ◽  
Andrzej Bartke
Keyword(s):  
Growth Hormone ◽  
Insulin Sensitivity ◽  
Transgenic Mice ◽  
Glucose Homeostasis ◽  
Endocrine Control ◽  
Cross Sectional ◽  
Systematic Assessment ◽  
Beneficial Effects ◽  
Glucose Stimulated Insulin Secretion ◽  
The Impact

Abstract In contrast to its stimulatory effects on musculature, bone, and organ development, and its lipolytic effects, growth hormone (GH) opposes insulin effects on glucose metabolism. Chronic GH overexposure is thought to result in insulin insensitivity and decreased blood glucose homeostatic control. Yet, despite the importance of this concept for basic biology, as well as human conditions of GH excess or deficiency, no systematic assessment of the impact of GH over- expression on glucose homeostasis and insulin sensitivity has been conducted. We report that male and female adult GH transgenic mice have enhanced glucose tolerance compared to littermate controls and this effect is not dependent on age or on the particular heterologous GH transgene used. Furthermore, increased glucose-stimulated insulin secretion, augmented insulin sensitivity, and muted gluconeogenesis were also observed in bovine GH overexpressing mice. These results show that markedly increased systemic GH concentration in GH-transgenic mice exerts unexpected beneficial effects on glucose homeostasis, presumably via a compensatory increase in insulin release. The counterintuitive nature of these results challenges previously held presumptions of the physiology of these mice and other states of GH overexpression or suppression. In addition, they pose intriguing queries about the relationships between GH, endocrine control of metabolism, and aging.

scholarly journals A dose titration model for recombinant GH substitution aiming at normal plasma concentrations of IGF-I in hypopituitary adults

2002 ◽  
pp. 49-57 ◽  
Author(s):  
B Ekman ◽  
T Lindstrom ◽  
F Nystrom ◽  
AG Olsson ◽  
G Toss ◽  
...  
Keyword(s):  
Blood Glucose ◽  
Insulin Sensitivity ◽  
Fasting Blood Glucose ◽  
Dose Titration ◽  
Oral Glucose ◽  
Sensitivity Index ◽  
Fasting Insulin ◽  
Control Subjects ◽  
Normal Plasma ◽  
Igf I

OBJECTIVE: To evaluate a dose titration model for recombinant human GH substitution in adult patients with GH deficiency, aiming at normal plasma levels of IGF-I. DESIGN AND METHODS: Eighteen patients participated and a start dose of 0.17 mg GH/day was used except by two men who started with 0.33 mg/day. To demonstrate a clear GH effect the patients were first titrated, with steps of 0.17 mg GH/day every 6-8 weeks, to IGF-I levels in the upper range of age-adjusted reference values. The GH dose was then reduced 1 dose step and kept for a further 6 months. For comparison we investigated 17 healthy control subjects. RESULTS: Plasma IGF-I was increased after 2 weeks on the start dose and did not increase further for up to 8 weeks. Women had significantly lower GH sensitivity than men measured as net increment of IGF-I on the start dose of GH. GH sensitivity was not changed by age. The plasma IGF-I levels increased from 76.3+/-47.0 (s.d.) to 237+/-97 microg/l at the end of the study (P<0.001), and similar IGF-I levels were obtained in both sexes. The maintenance median GH dose was 0.33 mg/day in males and 0.83 mg/day in females (P=0.017). The GH dose correlated negatively with age in both sexes. Body weight, very low density triglycerides, lipoprotein(a) (Lp(a)), and fasting insulin increased, whereas insulin sensitivity index (QUICKI) decreased significantly. In comparison with the controls, the patients had lower fasting blood glucose, fasting insulin and Lp(a) levels at baseline, but these differences disappeared after GH substitution. The two groups had equal insulin sensitivity (QUICKI), but 2 h oral glucose tolerance test values of blood glucose and insulin were significantly higher in the patients at the end of the study. CONCLUSIONS: In conclusion our data suggest that the starting dose of GH substitution and the dose titration steps should be individualised according to GH sensitivity (gender) and the IGF-I level aimed for (age). The reduced insulin sensitivity induced by GH substitution could be viewed as a normalisation if compared with control subjects.

scholarly journals The Impact of COVID-19 Infection on the Quality of Life of Health Care Workers

2021 ◽  
Author(s):  
Sadeel Shanshal ◽  
Harith Kh. Al-Qazaz
Keyword(s):  
Quality Of Life ◽  
Sleep Quality ◽  
Psychological Health ◽  
World Health ◽  
World Health Organization Quality ◽  
Significant Difference ◽  
Males And Females ◽  
The Mean ◽  
The Impact

Abstract Background: COVID-19 pandemic has negatively affected the entire world and one of its impacts was the increased level of stress and anxiety, especially among healthcare workers. Therefore, this study aims at evaluating the quality of life (QoL) and sleep quality of healthcare professionals in Iraq.Methods: This study assessed the QoL and sleep quality by using World Health Organization Quality of Life Instruments (WHOQOL-BREF) and the Insomnia Severity Index (ISI) respectively. The questionnaires were administered through an online cross-sectional survey targeted at workers in medical fields in Iraq from 1st to 20th of August 2021. Results: Three hundred medical health workers participated, and females constituted 75.3%. The two questionnaires had very good internal consistency. The highest scoring domain was the social relationships, followed by physical health. Significant difference was found in the mean scores of psychological health domain between males and females, with higher scores observed in males. The mean of the total ISI score was 11.58 ± 6.88 with a range between 0 and 27. Severe insomnia was observed in only 9.7% of the participants. A significant negative correlation (r = -0.118) was found between age and ISI scores of the participants. Significant differences were found between males and females with higher ISI mean score observed among males. Conclusion: The quality of life and sleep pattern can be impacted by COVID-19 infection with the psychological aspect of QoL being the most affected and some degrees of insomnia being observed in many participants.

scholarly journals A Study on the Impact of Big Five Personality Traits on Consciousness

2016 ◽  
Vol 3 (2) ◽  
Author(s):  
Akriti Srivastava ◽  
Anamika Mishra
Keyword(s):  
Personality Traits ◽  
Big Five ◽  
Big Five Personality Traits ◽  
Big Five Personality ◽  
Psychological Traits ◽  
Significant Difference ◽  
Males And Females ◽  
Neo Five Factor Inventory ◽  
The Individual ◽  
The Impact

Personality is the set of psychological traits and mechanisms within the individual that are organized and relatively enduring and that influence their interactions with, and adaptations to, the intra psychic, physical, and social environments. Personality is the factor which influences other functioning of the individuals, keeping this view in mind its relation with consciousness was thought to be explored, which is awareness, the ability to experience or to feel, wakefulness, having a sense of selfhood, and the executive control system of the mind. Hence, this study was designed to understand the relationship between big five personality traits and consciousness, for this, the data was collected from 200 working and non-working males and females in the age range of 22 to 30 years. Sample was chosen from Banasthali Vidyapith, Tonk; Rajiv Gandhi Technical Institute, Raibarely; and Wipro Company, Bangalore. Measures used were self-consciousness scale (Fenigstein, Scheier &Buss 1975) which is a 23 item questionnaire and personality questionnaire: NEO Five-Factor Inventory-3 (NEO-FFI-3). This questionnaire was developed by Paul T. Costa, Jr and Robert R. McCrae (1989). The result indicated that openness and conscientiousness are significantly positively related with consciousness and openness emerged out as the significant predictor of consciousness. Also the significant difference was found between males and females in terms of consciousness. This study is unique in its endeavor and creates scope for further exploration in this field.

Sign in / Sign up

Export Citation Format

Share Document