Chronomics complement, among many other fields, genomics and proteomics.
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Citation
Chronomics complement, among many other fields, genomics and proteomics. Neuro Endocrinol Lett. 2001 Jan; 22(1): 53-73
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Chronomics complement, among many other fields, genomics and proteomics. Neuro Endocrinol Lett. 2001 Jan; 22(1): 53-73
: Bombesin and related peptides are widely distributed in gastrointestinal tract and central nervous system. It has been reported that they play an important role in the control of appetite, metabolism, sensory transmission and thermoregulation as well as in the regulation of pituitary hormone release. Central injection of these peptides leads to inhibition of feeding. There are controversial opinions about the effects of bombesin on pituitary hormone secretion both in vivo and in vitro experiments....
Baranowska B. Bombesin modulates the control of energy homeostasis and pituitary hormone release. Neuro Endocrinol Lett. 2009 Mar; 30(1): 3-5
OBJECTIVES: Some individually-housed male mice behave aggressively during encounters with strange males, while others are timid or sociable in the same situation. The objective of the present study was to examine concentrations of glutamate, aspartate, and GABA in the brain of aggressive, timid, and sociable mice.
METHODS: Random-bred albino mice were housed individually for three weeks and then classified in three groups (aggressive, timid, and sociable mice) according to their behavior during social interaction with non-aggressive group-housed male mice in a neutral cage. One week after categorization, by means of the social conflict test, levels of glutamate, aspartate, and GABA were measured by in vivo microdialysis of the medial prefrontal cortex (mPFC) of the isolated and group-housed mice.
RESULTS: Sociable mice had almost triple the levels of GABA in their mPFC than aggressive or timid mice. No significant differences in aspartate and glutamate levels were found in these three types of individually-housed mice. Forebrain chemistry of group-housed mice did not differ from that of individually-housed mice with the exception of levels of glutamate and GABA which were significantly lower in group-housed mice than in sociable individually-housed mice.
CONCLUSION: The present results suggest that GABA might play a role in sociable behavior. Results also corroborate other findings indicating that the GABAergic system represents an important molecular and neuronal substrate for the selective attenuation of anxiety and aggression....
Sustková-Fiserová M, Vávrová J, Krsiak M. Brain levels of GABA, glutamate and aspartate in sociable, aggressive and timid mice: an in vivo microdialysis study. Neuro Endocrinol Lett. 2009 Mar; 30(1): 79-84
OBJECTIVES: The aim of study was to evaluate the importance of induced abortions for reproduction medicine in Czech Republic.
DESIGN: Demographic analysis of data published by EUROSTAT and Czech statistical office.
SETTING: Department of Demography and Geodemography Faculty of Science, Charles University Prague.
RESULTS: Widespread use of the liberal abortion law in socialist countries contributed to the decline of fertility rates only to the replacement level. In the Czech Republic total fertility rate dropped below 1.3 in 1995 and it did not increase above 1.5 children per woman till 2007. The increased use of modern contraceptive methods that results in a sharp decline in fertility and in a significant decrease of induced abortions can be documented. The total abortion rate fell from 1.54 abortions per a woman in 1990 to 0.34 in 2007. The proportion of women aged 15-49 years who were prescribed oral contraception increased from 4 percent in 1990 to 48 percent in 2007. An induced abortion is still used largely as a way to avoid birth of additional children by women who already have the number of children they want. This is in sharp contrast with the situation in the majority of Western European countries in which abortion is used mainly by teen-age girls whose attempts to avoid pregnancy have failed.
CONCLUSION: In contrast to other demographic characteristics which classify the Czech Republic to Eastern Europe, the level of induced abortion rate is comparable with the levels observed in some Western European countries....
Kocourková J, Fait T. Induced abortions: still important reproduction loss in the Czech Republic? Neuro Endocrinol Lett. 2009 Mar; 30(1): 111-118
OBJECTIVES: The present study was undertaken in order to verify the hypothesis stating that patients with depression exhibit some abnormalities concerning a cerebral symmetry. For this purpose, an analysis of the relationship between the VEPs (Visual Evoked Potentials) results and the depressive symptoms intensification, as well interrelation between depressive and diabetic symptoms were performed.
MATERIAL AND METHODS: VEPs recordings were obtained from the two study groups (both aged 20-45 years), 20 healthy subjects and 32 diabetic patients with clinically documented depression. The VEPs examination was carried out using a computer system called STELLA (Stimulated Electroencephalogram on Line Analyzer).
RESULTS: VEPs examinations revealed a cerebral symmetry in the all control subjects and in 10 out of 32 diabetic patients with depressive disorders. It is noteworthy that 22 of 32 diabetic patients (68.8%) showed a hemispheric asymmetry in the VEPs recordings. Of 12 patients with a moderate depression, 10 showed the left cerebral laterality, and 2--the right laterality. In turn, all 10 patients with major depressive disorder (MDD) demonstrated in the VEPs recordings a significant cerebral laterality with the right hemisphere dominance.
CONCLUSIONS: The obtained results suggest that interhemispheric cerebral asymmetry might be considered a specific feature of depression, and, if this is a case, it could justify a conclusion that right hemisphere dominance could be a neurophysiological marker of MDD. It should be emphasized that intensification of the depressive symptoms has an unfavorable influence on course of diabetes mellitus, its self-control and severity of following complications....
Janocha A, Pilecki W, Bolanowski M, Małyszczak K, Salomon E, Laszki-Szczachor K, Kałka D, Sebzda T, Sobieszczańska M. Interhemispheric cerebral asymmetry detected by VEPS in diabetic patients with recognized depression. Neuro Endocrinol Lett. 2009 Mar; 30(1): 119-124
: Changes in the hypothalamic-pituitary-adrenal (HPA) axis are characteristic of major depression. Because the effects of glucocorticoids are mediated by intracellular receptors including, most notably, the glucocorticoid receptor (GR), several studies have examined the number and/or function of GR's in depressed patients. Review scientific evidences have consistently demonstrated that GR function is impaired in major depression, resulting in reduced GR-mediated negative feedback on the HPA axis and increased production and secretion of corticotropin-releasing hormone (CRH) in various brain regions postulated to be involved in the causality of major depression. Hyperactivity of HPA axis is the main biochemical change, besides disturbed monoaminergic neurotransmission, observed in the patients suffering from a major depression. High incidence of depression in Cushing's syndrome as well as antidepressant effects of adrenocortical enzyme inhibitors in major depression support hypothesis that hyperactivity of HPA axis may be involved in pathogenesis of depression. Major alterations of the HPA axis that can be reversed by successful antidepressant therapy are often seen in depressed patients. A possible explanation for this is that the antidepressant-induced increase in GR's renders the HPA axis more sensitive to glucocorticoid feedback. This new insight into antidepressant drug action suggests a novel approach to the development of antidepressant drugs....
Nikisch G. Involvement and role of antidepressant drugs of the hypothalamic-pituitary-adrenal axis and glucocorticoid receptor function. Neuro Endocrinol Lett. 2009 Mar; 30(1): 11-16
: The case history of a 44-year-old, severely obese Caucasian man with serious decompensation of diabetes and subsequent withdrawal of high-dose insulin is reported. Insulin was withdrawn after 5 years of continuous therapy and the patient was treated for 6 months with diet, individualized physical therapy and oral antidiabetic drugs from the group of insulin sensitizers. Six months later, oral antidiabetics were discontinued for low blood glucose levels, and the treatment was limited to therapeutic life style changes. After insulin withdrawal, the patient's condition markedly improved: he showed better diabetes control, decrease in insulin resistance, weight loss, reduced BMI, reduced waist circumference, sagittal abdominal diameter and body fat, increased fitness level, normalized blood pressure and decreased heart rate at rest....
Szabó M, Pelísková P, Kvapil M, Matous M. Positive effect of long-term tailored physical activity therapy on diabetes mellitus management in an obese type 2 diabetic patient. Neuro Endocrinol Lett. 2009 Mar; 30(1): 22-24
: Ovarian function with regular menstrual cycles is usually restored in women of reproductive age after solid organ transplantation. The number of pregnancies reported in these patients increases gradually. Pregnancy is always considered high risk, and not properly planned may lead to serious complications. The best for the patient is to conceive in a period of good general health and good stable graft function, after appropriate preparation and not later than five years after transplantation. Immunosuppressive regimen should be modified before conception. Sirolimus and mycophenolate mofetil should be excluded. The blood levels of immunosuppressive agents should be regularly controlled during the whole pregnancy. The rate of successful pregnancies isn approximately 95% in graft recipients. Increased incidence of preterm labor, anemia and intrauterine growth restriction is observed compared with general population. Organ transplantation itself is not an indication for cesarean section and vaginal delivery is recommended as the best for the patient, the graft and the newborn. Breast feeding is believed to be contraindicated in women on immunosuppressive therapy, however no adverse effects were reported in children of graft recipients who decided to breast feed. The rate of congenital malformations in newborns is approximately 3-4% and does not differ from the rate seen in general population. The rate of perinatal deaths decreased beneath 0.8% in recent reports. Jaundice, hyperglycemia and hyperkalemia, observed more frequently in newborns of graft recipients, are mild and in most cases do not have any clinical implications....
Wielgos M, Pietrzak B, Bobrowska K, Bablok L, Kaminski P. Pregnancy after organ transplantation. Neuro Endocrinol Lett. 2009 Mar; 30(1): 6-10