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1.
Georgian Med News ; (350): 103-109, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-39089280

RESUMO

This research article elucidates the pivotal role of radiopharmacy in the contemporary landscape, underscoring its potential therapeutic efficacy in addressing symptoms associated with aged-related neurocognitive processes. Clinical trials, characterized by the judicious application of modest radiation doses, exemplified by low-dose radon, have yielded affirmative outcomes in the amelioration of aged, related symptoms. MATERIAL AND METHODS: The study was conducted on an animal model. The effect of low doses of radon on cognitive processes is being studied by inhalation of randomized mineral water. Changes in the clinical picture were studied using behavioral tests, namely the Barnes maze tests. At the cellular level, radon-contained water inhalation causes different changes: in the fraction of synaptic membranes (determined by Na, K-ATPase activity), aged, related changes by telomerase activity and oxidative stress level changes. RESULTS: Our studies show that age-related changes in brain tissue are less noticeable after radon inhalation, namely, the concentration of amyloid plaques decreases in a group of aged rats after radon therapy. A significant improvement in cognitive function was observed after radon inhalation in aged rats. CONCLUSION: The results show that exposure to radon-containing mineral water leads to improved spatial perception, potentially improving age-related cognitive functions not only at the level of neurocognitive tests, but also changes at the level of cellular functioning.


Assuntos
Águas Minerais , Radônio , Animais , Águas Minerais/uso terapêutico , Radônio/uso terapêutico , Ratos , Masculino , Comportamento Animal/efeitos da radiação , Comportamento Animal/efeitos dos fármacos , Aprendizagem em Labirinto/efeitos dos fármacos , Administração por Inalação , Estresse Oxidativo/efeitos dos fármacos , Memória/efeitos dos fármacos , Memória/efeitos da radiação , Envelhecimento/fisiologia , Encéfalo/efeitos da radiação , Encéfalo/efeitos dos fármacos , Encéfalo/metabolismo , Cognição/efeitos da radiação , Cognição/efeitos dos fármacos , Ratos Wistar , ATPase Trocadora de Sódio-Potássio/metabolismo
2.
Probl Radiac Med Radiobiol ; 27: 107-119, 2022 Dec.
Artigo em Inglês, Ucraniano | MEDLINE | ID: mdl-36582083

RESUMO

Telomeres are the ending areas of chromosomes - protective «caps¼ that ensure the stability of chromosomes. Telomere shortening is one of the most important biological signs of aging and is involved in cellular aging and the «mitotic clock¼ mechanism. One of the known mechanisms of the impact of radiation on the aging process is damage to telomeres by free radicals. Oxidative stress has a toxic effect on telomere length. The increase in free radicals occurs under the action of both ionizing and nonionizing radiation, although antioxidant mechanisms are often able to neutralize harmful free radicals. Low doses of nonionizing and ionizing radiation even cause the activation of antioxidant systems, however, when the body is exposed to radiation at a high dose or for a long time, or if pathological processes with oxidative stress occur in the body, damage to cells becomes more noticeable, and aging processes accelerate. Maintaining telomere length and a normal rate of aging is important for health. In this review, we want to discuss the role of ionizing and nonionizing radiation in cellular aging, in particular, in the shortening of telomere length.


Assuntos
Antioxidantes , Senescência Celular , Senescência Celular/genética , Estresse Oxidativo , Telômero/genética
3.
Georgian Med News ; (313): 152-158, 2021 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-34103448

RESUMO

Numerous experimental and clinical studies have shown that oxidative stress (OS) plays an important role in the development of epilepsy. The epileptic seizures themselves are caused by OS and, under conditions of a hypermetabolic state, cause an intensive production of reactive oxygen species (ROS) in the brain. The reason for this is called a change in the energy balance in the brain. According to the literature, ROS and other markers of oxidative stress were observed in the brain after seizures. Based on the above data, the aim of our study was to study a short-term 5-day (5 min) inhalation of radonized water from Tskhaltubo using an epileptic model of the Krushinsky-Molotkin line in rats and to identify changes in markers of oxidative stress in rats. Predictors of oxidative stress were studied, PAT, D-ROM (reactive oxygen metabolite index), OBRI (oxidative stress balance risk index) and OSI (oxidative stress index) were evaluated to assess the antioxidant capacity of plasma. Based on the data obtained, it can be concluded that: inhalation of Tskhaltubinsk water develops the effect of hormesis, which causes positive changes in all of the above markers of oxidative stress in the brain. Based on the data presented, inhalation of Tskhaltubo water can be considered as one of the methods for removing and treating convulsive phenomena, which is confirmed by experimental studies.


Assuntos
Epilepsia , Radônio , Animais , Antioxidantes , Hormese , Estresse Oxidativo , Ratos , Espécies Reativas de Oxigênio
4.
Georgian Med News ; (310): 54-59, 2021 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-33658410

RESUMO

The goal is to study the method of photodynamic therapy, which has become widespread in recent decades. This method of treatment has gained popularity in the treatment of both oncological and non-oncological inflammatory diseases in dentistry and other medical fields. We can conclude that the complex action of Rada Dent and Tskaltubo water (inhalation of Tskaltubo water and its use as rinses) leads to a gradual reduction and eventual eradication of the inflammatory process in the case of periodontitis. This can be explained by the unique properties that are characteristic of "Rada Dent" and Tskaltubo water. As we have seen, the above biochemical indicators are the determinants of periodontitis in patients with periodontitis, they are markers of the degree of periodontitis and we have clearly seen the complex action. High efficiency of "Rada Dent" and radon in the water of Tskaltubo - normalization of the action of oral enzymes, slowing down the inflammatory processes in the oral cavity and finally eradication. It is these unique properties that have become triggering the treatment and inhibit the initial stage of periodontitis.


Assuntos
Fotoquimioterapia , Radônio , Hormese , Humanos , Água
5.
Georgian Med News ; (306): 132-137, 2020 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-33130660

RESUMO

In medical literature is known that the electromagnetic waves own a harmful effect on human organism. Is convinced shows that surround household microwave oven exist certain quantity of non-ionizing radiation leak. The aim of the present work is study the effect of non-ionizing radiation, emitted by household microwave oven, on the body weight, emotional and locomotor activity and cortisol blood plasma level in rats. 6 weeks Wistar rats cage were placed near microwaves oven, from closed door escape 727,24±84,55 Mw/m² Power Density microwaves. The oven was switch over two times a day for 3-3 minutes during 10 days. Experimental and control group rats are weighed before and after experiment. To assess the emotional state and locomotor activity open field test was performed and for determine stress level the concentration of plasma cortisol was measured. It was found that after 10 days, in microwave radiation exposure group rat body weight gain increase more than in control group. In open field test, microwave radiation exposure group rats spent more time in center square than control group rats, line crossings, center square entries, stretch attend postures are also more in microwave radiation exposure group rats than in control. Cortisol level in plasma were increased in microwave radiation exposure group rats than in control group. Complete analysis of our results have convinced shown the necessary to study of household microwave oven non-ionizing radiation.


Assuntos
Hidrocortisona , Micro-Ondas , Animais , Peso Corporal , Humanos , Ratos , Ratos Wistar
6.
Georgian Med News ; (301): 82-86, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32535569

RESUMO

The study of clinical and biochemical processes in the oral cavity determined changes in the entire biochemical spectrum of the oral cavity in 132 patients aged 20-40 years with various forms of periodontitis. Similar follow-ups were divided into three groups in the main group with mild to moderate severity of periodontitis with a 10-day intake of radon, 43 patients were united into the control group with no pathological changes in periodontal tissue however. Inhalation and rinsing with radon-containing water causes a decrease in LDH levels in the oral cavity. In patients with mild severity it decreased by 1.29 times, and with moderate severity - by 1.16 times in the main group. The difference is statistically significant (p<0.01). which leads to a decrease in oxidative processes in the oral fluid and the restoration of the fermentation spectrum. As it is known, lactate hydrogenase is an indicator of anaerobic processes and, amylase change and the oral cavity PH, as well as the development of different forms of severity of periodontitis. In our case, the treatment with Tskaltubo water as an antioxidant medicine levels all these processes. Only in case of rinses with water of Tskaltubo, these changes are less pronounced, and in case of both inhalation and rinses they are more pronounced.


Assuntos
Periodontite , Radônio , Adulto , Humanos , Periodonto , Terapia Respiratória , Adulto Jovem
7.
Georgian Med News ; (294): 113-118, 2019 Sep.
Artigo em Russo | MEDLINE | ID: mdl-31687961

RESUMO

The effect of EMF of high frequencies (mobile phones and computers) and the action of radon therapeutic procedures (phenomenological and influencing therapeutic factors) is not still generally known. In addition, we are constantly under the influence of different EMF frequencies, the study of which also deserves attention. The aim of the work is detailed analysis of alpha radiation Tskhaltubo water effect. The subject of the study was 25 patients. The group took the inhalation procedure of air radon baths which was 36-370C, and radon concentration 37.0 Bq/m3. The conducted quantities and qualitative analyses show, that radon inhalation takes an active part in metabolism of biological active components: catecholamine's, amines and free amino acids. Biochemical experiments showed the normalization tendency of composition of these necessary blood-components after 10th day radon-therapeutic inhalation procedure.


Assuntos
Poluentes Radioativos do Ar/toxicidade , Contaminação Radioativa do Ar/efeitos adversos , Radônio , Poluentes Radioativos da Água/análise , Administração por Inalação , Humanos , Radônio/toxicidade , Água
8.
Georgian Med News ; (282): 39-43, 2018 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-30358538

RESUMO

Supersaturation of hydroxyapatite is very important in order to preserve the homeostasis of mineral metabolism in the oral cavity. This indicates to the ability of saliva to preserve the homeostasis of the tooth tissues. So it is very important to use inhalations and rinses with Tskhaltubo mineral water. It is the alpha radiation of radon contained in the water of Tskhaltubo that plays a very important role in the regulation of inflammatory processes and the preservation of homeostasis of the oral cavity. A lot of works have been published lately proving that these doses are characterized by the so-called "hormesis", so the object of our interest is to determine the mechanism of radon hormesis and its effects on preserving the homeostasis of mineral metabolism in the oral cavity. Inhalation with mineral water of Tskhaltubo and its use for rinsing in case of parodontitis leads to decrease and ultimately elimination of the developed inflammatory processes. Tests were conducted on 150 volunteers, 120 of which were sick and 30 were practically healthy (control). As a result of the research it was established that inhalations with mineral water of Tskhaltubo and its use for rinsing in case of parodontitis leads to decrease and ultimately elimination of the developed inflammatory processes of the oral cavity. The unique properties of the mineral water of Tskhaltubo are an important component of the treatment of parodontitis at the initial stage of the disease.


Assuntos
Águas Minerais/uso terapêutico , Boca/metabolismo , Periodontite/terapia , Radônio/uso terapêutico , Administração por Inalação , Adulto , Estudos de Casos e Controles , Hormese , Humanos , Concentração de Íons de Hidrogênio , Higiene Bucal , Periodontite/metabolismo , Periodontite/fisiopatologia
9.
Georgian Med News ; (Issue): 28-34, 2016 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-28009312

RESUMO

Thyroid dysfunction causes spreading and development of caries in the teeth and changes in periodontal tissues. In addition, it causes changes in peripheral blood flow and mineralization, local transcapillary metabolism causes changes in blood rheology. There are only few works in this direction and, therefore, the purpose of our research was to find out how the mineralization and the rheological properties of blood are changed in lesion of periodontal tissue on a background of thyroid dysfunction. Accordingly, the stomatological study was conducted in 75 adolescents aged 12-18 years by the standard method, recommended by the World Health Organization. According to the study, 45 patients out of them suffered from thyroid dysfunction, in particular from hypothyroidism. The comparator group consisted of 30 children of the same age without endocrine abnormalities. By the gained results it is noted that in spite of different type lesions due to dental caries, the caries incidence and intensiveness is higher in children with hypothyroidism as compared to healthy children. Decrease in saliva excretion rate and increase in oral fluid viscosity was found in children with thyroid and endocrine diseases as compared to healthy children. In children with endocrine disorders concurrent increase in calcium content (1,43±0,08 mmol/l) and decrease in inorganic phosphate concentrations (4,54±0,15 mmol/l) is reliably established. In children with thyroid disfunction and while periodontal tissue pathology, rheological features are disordered more dramatically than in healthy children. Therefore, it can be said that the changes in the adolescents' thyroid function is one of the reasons for formation of periodontal tissue diseases.Therefore, at detecting even the first signs of the periodontal tissue diseases, it is desirable in adolescents to assess the thyroid functional condition, since it will be the precondition for effective treatment and management of dental disease, in particular, dental caries and lesions of periodontal tissue.


Assuntos
Cárie Dentária/sangue , Gengivite/sangue , Periodontite/sangue , Doenças da Glândula Tireoide/sangue , Calcificação de Dente , Adolescente , Estudos de Casos e Controles , Cárie Dentária/complicações , Cárie Dentária/fisiopatologia , Gengivite/complicações , Gengivite/fisiopatologia , Humanos , Hipotireoidismo/sangue , Hipotireoidismo/complicações , Hipotireoidismo/fisiopatologia , Periodontite/complicações , Periodontite/fisiopatologia , Reologia , Doenças da Glândula Tireoide/complicações , Doenças da Glândula Tireoide/fisiopatologia
10.
Georgian Med News ; (254): 107-11, 2016 May.
Artigo em Russo | MEDLINE | ID: mdl-27348178

RESUMO

The medical problems of the environmental pollution with products of tobacco smoke are relatively known. The question of separate components of tobacco smoke, factors such a puff-volume, rate, distance, frequency, length of butt in the environment air is not well understand and should further be investigated. It is shown the dependence of the process on the following factors: physic-chemical parameters of atmospheric environment, brand of tobacco product, activity of smoking process. We aimed to determine the dependence of benz(a)pirene in the air samples of tobacco smoke in the distance of 2,0; 4,0 and 6,0m. from lighting cigarette after puff-by puff. Cigarettes were machine-smoked and the total particulate matter was collected (1,0m3) in room, having no air filtration and substances were analysed and identified by gashromatography. The condacted quantitative and qualitative analyses show, that distance of exposition from burning cigarette can change the volume of benz(a)pirene. In the result of pyrolitic and photochemical reactions in tobacco smoke at certain air space temperature new structures can be formed with high toxity and cancerogenity. The dominant transformation process is reaction with photochemically-produced radicals, which produced benz(a)piren as a minor product. Additional factors effecting indoor concentrations include location and ventilation condition time. Ultrafine particle and benz(a)piren deposition and smoking behavior were observed. The mainstream smoke was also monitored continuously in real time (3, 5 and 10 minute) on a puff-by-puff. Our data show that smoking pastime can change the structure and volume of component of tobacco smoke. The level of benz(a)piren in air samples was evaluated as the main background index of cigarette smoke toxity in relatively small room, having no air filtration system. This question still needs to be explained. It would be interesting to investigate of tobacco smoke components in lung tissue after the smoking process. The studies are necessary in different derection.


Assuntos
Poluentes Atmosféricos/análise , Benzopirenos/análise , Nicotiana/química , Fumaça/análise , Poluição por Fumaça de Tabaco/análise
11.
Georgian Med News ; (235): 69-73, 2014 Oct.
Artigo em Russo | MEDLINE | ID: mdl-25416221

RESUMO

Biochemical changes that are taking place in patients with periodontitis 1 and 2 the quality of the individuals place in a laqtatdegidrogenazis, alkaline phosphatase activity increase and reduced activity amilazais. Therefore we can conclude that, there is an increase in superoxide substances, which causes an increase in the oral cavity patobakteriebis and quality of periodontitis. The grape seed and coriander oil is of vegetable origin and antioxidant drugs. Their action causes a statistically significant increase in the amilazis, alkaline phosphatase and laqtatdegidrogenazis reduction, while the latter leads pH - rate of return to oral fluid. It should be noted that the positive effect of coriander oil, but less effective.


Assuntos
Extrato de Sementes de Uva/administração & dosagem , Periodontite/dietoterapia , Óleos de Plantas/administração & dosagem , Fosfatase Alcalina/metabolismo , Amilases/metabolismo , Antioxidantes/metabolismo , Coriandrum/química , Extrato de Sementes de Uva/química , Humanos , Malondialdeído/metabolismo , Periodontite/metabolismo , Periodontite/fisiopatologia , Óleos de Plantas/química
12.
Georgian Med News ; (231): 77-82, 2014 Jun.
Artigo em Russo | MEDLINE | ID: mdl-25020178

RESUMO

The aim of the work was to study the dependence of individual radiosensitivity of white and black rats on radiation. The rats under study were derived from a cross between black and white rats and called Ratus Ratus-Georgia. Comparative radiosensitivity of white (Wistar) and black rats was studied at a total exposure with sublethal and lethal doses (5, 7 and 9 Gy). Cumulative survival functions of rats, a spectrum of changes in some ethological parameters and content of serotonin and catecholamines in their brain structures were given as criteria of radiosensitivity. Survival rate of black and white rats is connected with changes in the composition and distribution of biogenic amines in the various brain structures, as well as with a decrease of locomotor and orienting-exploratory activity, on the one hand, and with increase of emotionality, stereotyped activity, passive defensive behavior of the rats, on another. Regression coefficients of dependence of survival functions on irradiation doses of black rats were rather higher than those of white rats after irradiation with doses in 5, 7 and 9 Gy. A change in the intensity of mortality with changes in radiation dose per unit depends on the synthesis of serotonin and on the number of sulfhydryl groups, deficiency of which is one of the important factors for white rats. Results of the study allow us to suppose that changes in the radiation sensitivity of rats after irradiation with sublethal and lethal doses are caused by consequences of radiation damage and by activation of the serotonergic system at the process of restitution after radiation injury. On the other hand, a higher radiation sensitivity of white rats in comparison with that of black rats is caused by low content of serotonin, thiols, melanin and other biologically active substances which are endogenous radioprotectors defining individual radioresistance.


Assuntos
Comportamento Animal/efeitos da radiação , Lesões por Radiação/patologia , Tolerância a Radiação/genética , Animais , Dopamina/metabolismo , Masculino , Norepinefrina/metabolismo , Doses de Radiação , Ratos , Ratos Wistar , Serotonina/metabolismo
13.
Georgian Med News ; (224): 82-4, 2013 Nov.
Artigo em Russo | MEDLINE | ID: mdl-24323971

RESUMO

Using high-performance liquid chromatography methods are qualitatively and quantitatively identified most biological important high fatty acids, contained in Ruta graveolens seed oil grown on the experimental plot of Kutateladze Institute of Pharmakochemistry (Georgia) and compare its biological activity. Their relative concentration is expressed as percentages of the total fatty acid component. The sample contained the range of fatty acids from С12:0 to С22:0. The investigation showed different sensitivity of components. In order of elution the list of compound are reported. The oil contained 2,08±0,1 mg% lauric, 2,18±0,1 mg% miristic, 3,98±0,1 mg% palmitic, 30,90±1,2 mg% stearic, 41,92±1,8 mg% oleic, 10,14±0,4 mg% linolic, 6,50±0,3 mg% linolenic, 2,00±0,1 mg% arachinic and 2,10±0,1 mg% begenic acid. The chromatography signals with retention values 7,96 and 14,08 minuts are qualitatively not identified.


Assuntos
Ácidos Graxos/química , Óleos de Plantas/química , Ruta/química , Cromatografia Líquida de Alta Pressão , Ácidos Graxos/classificação , Ácidos Graxos/isolamento & purificação , Humanos , Sementes/química
14.
Georgian Med News ; (218): 82-5, 2013 May.
Artigo em Russo | MEDLINE | ID: mdl-23787514

RESUMO

Using high-performance liquid chromatography methods (Cromatograph PTC-1, repractometer R-401, column Bondopaс C18) were quantitatively and qualitatively identified most biological important high fatty acids, contained in peach oil (Persica Vulgaris) from ost region of Georgia (Kacheti). Their relative concentrations are expressed as percentages of the total fatty acids components. The chromatography investigation shaved, that the oil contained 12,98±1,0mg% linoleic, 9,97±0,3 mg% palmitic, 4,82±0,2 mg% linolenic, 3,58±0,1 mg% begenic and 2,16±0,1 mg% arachinic acids. The predominant fatty acids of peach oil were linoleic, palmitic and oleinic acids. The investigation showed different sensitivity of components contained in peach oil.


Assuntos
Ácidos Graxos/química , Ácidos Graxos/isolamento & purificação , Óleos de Plantas/química , Prunus/química , Ácidos Graxos/classificação , Ácido Linoleico/química , Ácidos Oleicos/química , Ácido Palmítico/química , Óleos de Plantas/administração & dosagem , Óleos de Plantas/isolamento & purificação
15.
Georgian Med News ; (195): 85-7, 2011 Jun.
Artigo em Russo | MEDLINE | ID: mdl-21778549

RESUMO

In this paper, using high-performance liquid chromatography methods were quantitatively and qualitatively identified most biological important high fatty acids, contained in Rkatsiteli grape seed oil of 2010 years crop in Signakhi region of Georgia. The chromatography investigation showed, that the grape seed oil contained 61% linolic acid, 19% oleic, 8% palmitic, 4.5% stearic, 1.4% linolenic and 0.6% arachidonuic acids. In standard diet grape seed oil was added as a food additive (5.0 gr and 10.0 gr on 1.0 kg food). After 15 days fatty acids are carried out from mouse liver (120 inbred mouse), fractioned and using high-performance liquid chromatography the retention values of individual fatty asids are identiced. The investigation showed different sensitivity of components contained in grape seed oil.


Assuntos
Ácidos Graxos Insaturados/análise , Ácidos Graxos Insaturados/farmacologia , Aditivos Alimentares/química , Aditivos Alimentares/farmacologia , Extrato de Sementes de Uva/química , Óleos de Plantas/química , Animais , Membrana Celular/efeitos dos fármacos , Cromatografia Líquida de Alta Pressão , Glicerofosfolipídeos/análise , Glicerofosfolipídeos/farmacologia , Humanos , Ácido Linoleico/análise , Ácido Linoleico/farmacologia , Fígado/efeitos dos fármacos , Camundongos , Ácido Oleico/análise , Ácido Oleico/farmacologia , Triglicerídeos/análise , Triglicerídeos/farmacologia
16.
Georgian Med News ; (191): 73-6, 2011 Feb.
Artigo em Russo | MEDLINE | ID: mdl-21436484

RESUMO

In this paper high fatty acids in the Rkatsiteli grape seed oil were qualitatively and quantitatively identified. In the Rkatsiteli grape seed oil linolenic, oleic, palmitic, stearic, palmitooleinovaya, linoleic and arachidonic acids were identified. The impact of Rkatsiteli grape seed oil as a dietary supplement on the contents of fatty acid synthase and lipids in the livers of mice were determined. Investigations were carried out on 120 inbred mice: for 15 days to a standard diet grape seed oil was added as a food additive. The investigation showed that the optimal use of food additives in the form of oil from Rkatsiteli grape seed plays an important role in maintaining the physiological needs of the human organism.


Assuntos
Suplementos Nutricionais , Ácidos Graxos/análise , Ácidos Graxos/farmacologia , Metabolismo dos Lipídeos/efeitos dos fármacos , Óleos de Plantas/química , Animais , Camundongos , Ratos
17.
Georgian Med News ; (201): 52-5, 2011 Dec.
Artigo em Russo | MEDLINE | ID: mdl-22306502

RESUMO

The aim of the research was to study toxic effect of lambda-cigalothrin, on quantitative contents of free amino acid in muscle, liver and in brain of fishes in r. Alazani. It was found that under the action of lambda-cigalothrin total amount of free amino acid in fish's tissue was increasing, contents of glycine, asparagine and glutamine acids, alanine and cysteine also increased. Increasing of glutamine and asparagines acids content in muscle and liver of fish goes with the dissimilation of other amino acids through the process of their deaminization by glutamate dehydrogenation system. Increasing the alanine content is indicative of reinforcement of transamination processes. Decrease of phenylalanine, valine, glycine and the other amino acids content is explained by reinforcement of amino acids catabolism in condition of pesticide load, as it occurs in condition of fishes' intoxication by phenols.


Assuntos
Aminoácidos/análise , Peixes/metabolismo , Nitrilas/toxicidade , Praguicidas/toxicidade , Piretrinas/toxicidade , Animais , Encéfalo/efeitos dos fármacos , Encéfalo/metabolismo , República da Geórgia , Fígado/efeitos dos fármacos , Fígado/metabolismo , Músculos/efeitos dos fármacos , Músculos/metabolismo , Rios
18.
Georgian Med News ; (187): 61-5, 2010 Oct.
Artigo em Russo | MEDLINE | ID: mdl-21098896

RESUMO

Amino acid preparation "Seratonus" not only regulates the action of stressors, but its intake in usual conditions strengthens an animals attitude toward danger, takes off development of excitement process, that is clearly shown by quantity and ratio of biogenic amines and amino acids. "Serotonus" develops optimal range of metabolism of above-mentioned substances that lead to right solve by animals of given tasks, in particular to improvement of active avoidance conditional reactions, that is clearly indicated by metabolism of amino acids as are phenylalanine and tryptophan, that is synthesizer of thirosine. While the latter takes part in synthesis of dopamine and noradrenalin and tryptophan regulates metabolism of serotonin. Hence these amines participate in improvement of memory processes.


Assuntos
Aminoácidos/administração & dosagem , Aminoácidos/metabolismo , Monoaminas Biogênicas/metabolismo , Encéfalo/efeitos dos fármacos , Suplementos Nutricionais , Campos Eletromagnéticos/efeitos adversos , Animais , Encéfalo/metabolismo , Encéfalo/efeitos da radiação , Reação de Fuga/efeitos dos fármacos , Reação de Fuga/efeitos da radiação , Ratos , Ratos Wistar
19.
Radiats Biol Radioecol ; 47(4): 481-92, 2007.
Artigo em Russo | MEDLINE | ID: mdl-17953436

RESUMO

This paper aims to present the study of rats' individual radiosensitivity dependence on their individual aggressiveness. On total irradiation in sublethal doses (1.0, 1.5 and 3.5 Gy) and in doses close to LD50/30 (6, 7 and 8 Gy) there was investigated comparative radiosensitivity of non-aggressive and aggressive rats of Wistar line, as well as that of non-aggressive individuals during provoked aggressiveness by means of blocking serotonin synthesis with intraperitoneal (i/p) injection of 400 mg/kg of parachlorphenylalanine (pCPA). Muricidity served as a criterion for aggressiveness and as a criterion of radiosensitivity--cumulative function of survival, the changes of behavior in "Open feald", serotonine and catecholamine content in various brain structures and the dose dependence on the radiation modification of muricidity. It has been found that after 1 Gy total X-irradiation the rats do not lose aggressiveness. Nevertheless the ethalogical parameters change in considerable degree. In the doses of 1.5 and 3.5 Gy muricidity is eluminated in 15-18 and 5-9 days, correspondingly. I/p injection of pCPA after the elimination of aggressiveness provokes transient muricidity in the same terms and duration as it is in case of non-aggressive rats. The elimination of muricidity is associated with changes in content and distribution of biogenic amines in various structures of brain, as well as with reduction of locomotor and reference-research activity, on the one hand and with an increase of emotionality and stereotype activity, on the other hand. After X-irradiation in 6, 7 and 8 Gy the regression coefficients of the dependence of functions type of survival on irradiation dose in aggressive rats is significantly reliable both in comparison with non-aggressive rats and animals with provoked aggressiveness. The change of mortality-rate per unit of changing irradiation dose not depend on blocking of serotonin synthesis, which deficit is one of the distinct determinant of aggressiveness, on the one hand, and higher radiosensitivity, on the other hand. The obtained data allow to suppose that elimination of muricidity after the irradiation of rats in the sublethal doses is conditioned not only by the consequenses of radiation damage of neurobiological structures responsible for the organization of aggressive behavior but the activation of serotonergic system in the process of restitution after radiation trauma. On the other hand, higher radiosensitivity of aggressive rats compared with non-aggressive ones is connected with low serotonin content, thiols and some other biologically active substances which are endogenous radioprotectors determining individual radioresistance.


Assuntos
Agressão/efeitos da radiação , Comportamento Animal/efeitos da radiação , Tolerância a Radiação , Animais , Química Encefálica , Catecolaminas/análise , Relação Dose-Resposta à Radiação , Masculino , Ratos , Ratos Wistar , Serotonina/análise
20.
Georgian Med News ; (146): 65-7, 2007 May.
Artigo em Russo | MEDLINE | ID: mdl-17595466

RESUMO

Intraperitoneal injection of para-chlorophenylanine (pCPA) (400 mg/rg) causes changes in the quantitative distribution of biogenic amines (BA), in olfactory bulbs, amygdaloid complex, hippocampus, and hypothalamus of the rats. Following 18 hours after injection of pCPA content of serotonine (5-HT) in olfactory bulbs drops and noradrenaline (NA) - 5-HT ratio increases. Abrupt decrease of 5-HT in all the studied structures and increase of NA - 5-HT ratio was also observed 36 hours after the pCPA injection. After 54 hours the drug effect decreased and by 72 hours the ratio was balanced. The biochemical changes taking place 36 hours after the intraperitoneal injection of pCPA in olfactory bulbs and hypothalamus probably cause concentration and ratio changes of BA, within the limits of which rats display their aggressive behavior and become "killers".


Assuntos
Agressão/efeitos dos fármacos , Comportamento Animal/efeitos dos fármacos , Fenclonina/farmacologia , Antagonistas da Serotonina/farmacologia , Serotonina/metabolismo , Animais , Aminas Biogênicas/análise , Aminas Biogênicas/metabolismo , Encéfalo/metabolismo , Química Encefálica , Masculino , Ratos , Ratos Endogâmicos , Serotonina/análise
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