Correlations of recognition memory performance with expression and methylation of brain-derived neurotrophic factor in rats.

abstract：:Renal response to atrial natriuretic peptide in chronic cholestasis was studied in anaesthetized rats and in their isolated perfused kidneys. Cholestasis was induced by bile duct section after ligature, while controls were sham operated. Three weeks after surgery, cholestatic rats showed moderate arterial hypotension,...

journal_title：Biological research

authors： Valdivieso A,Boric MP,Riquelme A,Roblero J

更新日期：1993-01-01 00:00:00

abstract：:Oxidative stress occurs early in the progression of Alzheimer disease, significantly before the development of the pathologic hallmarks, neurofibrillary tangles and senile plaques. In the first stage of development of the disease, amyloid-beta deposition and hyperphosphorylated tau function as compensatory responses a...

journal_title：Biological research

authors： Moreira PI,Zhu X,Liu Q,Honda K,Siedlak SL,Harris PL,Smith MA,Perry G

更新日期：2006-01-01 00:00:00

abstract：:Despite the fact that the concept of sheet-flow in the pulmonary microcirculation of mammals was introduced more than three decades ago, the capillary circulatory model still prevails in the physiological literature. Since cardiac output is identical in the systemic and in pulmonary circulations, it is noteworthy that...

journal_title：Biological research

authors： Günther B,Morgado E,Cociña M

更新日期：2005-01-01 00:00:00

abstract：:Exposure to arsenic via drinking water is considered as a worldwide problem. Studies have shown that arsenic exposure during pregnancy affects embryogenesis and offspring development in rats and mice. Zinc as a micronutrient regulates many physiological functions, including an antioxidative role under various toxic co...

journal_title：Biological research

authors： Ahmad M,Wadaa MA,Farooq M,Daghestani MH,Sami AS

更新日期：2013-01-01 00:00:00

abstract：:Oxidant/antioxidant imbalance has been reported in some infectious diseases, including community-acquired pneumonia (CAP). The aim was to assess the antioxidant status in adults with CAP and its relationship with clinical severity at admission. Fifty-nine patients with CAP were enrolled and categorized at admission by...

journal_title：Biological research

authors： Castillo RL,Carrasco RA,Alvarez PI,Ruiz M,Luchsinger V,Zunino E,Martínez MA,Avendaño LF

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND:Asthma is a complex disease influenced by multiple genetic and environmental factors. While Madeira has the highest prevalence of asthma in Portugal (14.6%), the effect of both genetic and environmental factors in this population has never been assessed. We categorized 98 asthma patients according to the Glo...

journal_title：Biological research

authors： Berenguer AG,Fernandes AT,Oliveira S,Rodrigues M,Ornelas P,Romeira D,Serrão T,Rosa A,Câmara R

更新日期：2014-09-04 00:00:00

abstract：:Adenovirus genotype 7h was previously reported to be originated from a recombination event between adenovirus genotypes 7p and 3p. Based on those findings, further characterization of other adenovirus 7h strains become important to determine whether all adenovirus 7h strains arose from a single recombinational event. ...

journal_title：Biological research

authors： Bruzzone M,Barro M,Spencer E

更新日期：2001-01-01 00:00:00

abstract：:The anti-tumor effect of R-Phycoerythrin (R-PE) from Porphyra haitanensis was studied using cell line HeLa as an in vitro model and Sarcoma-180 (S180) tumor-bearing mice as an in vivo model. The results showed that the combination treatment of R-PE and photodynamic therapy PDT) significantly inhibited the growth of He...

journal_title：Biological research

authors： Pan Q,Chen M,Li J,Wu Y,Zhen C,Liang B

更新日期：2013-01-01 00:00:00

abstract：:The protein nucleolin, functionally involved in the main steps of ribosome biogenesis, is codified by a single copy gene in mammals. Here we report that at least three different genes codify for this protein in carp fish (Cyprinus carpio). This is the first description of the genomic organization of nucleolin in a tel...

journal_title：Biological research

authors： Quezada C,Navarro C,San Martín R,Alvarez M,Molina A,Vera MI

更新日期：2006-01-01 00:00:00

abstract：:The major cysteine proteinase from Trypanosoma cruzi, cruzipain, can be obtained essentially homogeneous, starting from crude epimastigote extracts, in one step, by affinity chromatography on Cystatin-Sepharose (specific for cysteine proteinases) or ConA-Sepharose (specific for high mannose N-linked glycoproteins). Th...

journal_title：Biological research

authors： Labriola C,Sousa M,Cazzulo JJ

更新日期：1993-01-01 00:00:00

abstract：:The hypothesis that the vacation-study-expectancy scholar regime produces most of the monthly rhythm of the age at menarche (AaM) was tested. Studies on monthly menarche incidence (MI) refuted climatic factors as a main factor in this rhythm, and indicated that the main factor of this rhythm is the succession of expec...

journal_title：Biological research

authors： Valenzuela CY

更新日期：2013-01-01 00:00:00

abstract：:Thymulin is a well-characterized thymic hormone that exists as a nonapeptide coupled to equimolar amounts of Zn2+. Thymulin is known to have multiple biological roles, including T cell differentiation, immune regulation, and analgesic functions. It has been shown that thymulin is produced by the reticulo-epithelial ce...

journal_title：Biological research

authors： Folch H,Villegas JV,Leyan V,Barría M,Eller G,Esquivel P

更新日期：2010-01-01 00:00:00

abstract：BACKGROUND:Psoriasis is a common chronic inflammatory skin disease. Keratinocytes hyperproliferation and excessive inflammatory response contribute to psoriasis pathogenesis. The agents able to attenuate keratinocytes hyperproliferation and excessive inflammatory response are considered to be potentially useful for pso...

journal_title：Biological research

authors： Gao J,Chen F,Fang H,Mi J,Qi Q,Yang M

更新日期：2020-10-20 00:00:00

abstract：BACKGROUND:chronic hypoxia increases basal ventilation and pulmonary vascular resistance, with variable changes in arterial blood pressure and heart rate, but it's impact on heart rate variability and autonomic regulation have been less well examined. We studied changes in arterial blood pressure, heart rate and heart ...

journal_title：Biological research

authors： Alcayaga J,Del Rio R,Moya EA,Freire M,Iturriaga R

更新日期：2018-12-20 00:00:00

abstract：BACKGROUND:Recently, a continuous growth of interest has been observed in antimicrobial peptides (AMPs) in the light of an alarming increase in resistance of bacteria and fungi against antibiotics. AMPs are used as biomarkers in diagnosis and monitoring of oral cavity pathologies. Therefore, the determination of specif...

journal_title：Biological research

authors： Jurczak A,Kościelniak D,Papież M,Vyhouskaya P,Krzyściak W

更新日期：2015-10-31 00:00:00

abstract：:Hearing loss is the most common inherited sensorial deficiency in humans; about 1 in 1000 children suffer from severe or profound hearing loss at birth. Mutations in the GJB2 gene are the most common cause of prelingual, non-syndromic autosomal recessive deafness in many populations; the c.35delG mutation is the most ...

journal_title：Biological research

authors： Cifuentes L,Arancibia M,Torrente M,Acuña M,Farfán C,Ríos C

更新日期：2013-01-01 00:00:00

abstract：:We review the development of our knowledge and interpretations of the intermediary metabolism of Trypanosoma (Schizotrypanum) cruzi. Already in the 1950's it was clearly established that when this organism was exposed to large external concentrations of carbohydrates it was unable to catabolize them completely, even i...

journal_title：Biological research

authors： Urbina JA,Machin I,Jurado L

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:Previous studies have shown that long noncoding RNA (lncRNA) LINC00483 was aberrantly expressed in human cancers, including gastric cancer. However, the regulatory mechanism of this lncRNA in gastric cancer remains largely unknown. The present study aimed to investigate the effect of LINC00483 on gastric can...

journal_title：Biological research

authors： Luo M,Liang C

更新日期：2020-04-15 00:00:00

abstract：:The development of an effective hypersensitive response (HR) in any plant system relies, not only in their gene composition and expression, but also on an effective and rapid signal transduction system. Lemon seedlings induce the phenylpropanoid pathway, which results in the de novo biosynthesis of the phytoalexin sco...

journal_title：Biological research

authors： Ortega X,Polanco R,Castañeda P,Perez LM

更新日期：2002-01-01 00:00:00

abstract：:In mammals, neurogenesis continues during adulthood in restricted places of the nervous system, namely the subventricular zone, the dentate gyms and the olfactory epithelium. A dual role of the second messenger nitric oxide has been reported in such places, either promoting or inhibiting proliferation of neuronal prec...

journal_title：Biological research

authors： Sulz L,Bacigalupo J

更新日期：2006-01-01 00:00:00

abstract：:Calcium regulation of several transcription factors involves different calcium-dependent signaling cascades and engages cytoplasmic as well as nuclear calcium signals. The study of the specific sources of calcium signals involved in regulation of gene expression in skeletal muscle has been addressed only recently. In ...

journal_title：Biological research

authors： Carrasco MA,Jaimovich E,Kemmerling U,Hidalgo C

更新日期：2004-01-01 00:00:00

abstract：:Apoptosis is a means by which organisms dispose of unwanted cells without inducing an inflammatory response. Alterations in apoptosis is a common process by which cells become cancerous. Paradoxically, many cancer chemotherapeutics preferentially kill cancer cells by inducing apoptosis. Diacylglycerol is a lipid secon...

journal_title：Biological research

authors： Wright MM,McMaster CR

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND:Zinc finger RNA binding protein (ZFR) is involved in the regulation of growth and cancer development. However, little is known about ZFR function in pancreatic cancer. METHODS:Herein, to investigate whether ZFR is involved in tumor growth, Oncomine microarray data was firstly used to evaluate ZFR gene expre...

journal_title：Biological research

authors： Zhao X,Chen M,Tan J

更新日期：2016-05-13 00:00:00

abstract：BACKGROUND:Although tropical climate of Thailand is suitably endowed with biodiversity of insects, flies of medical importance is not well investigated. Using information from literature search, fly survey approach and specialist's experience, we review database of Sarcophaga (Liosarcophaga) dux Thomson (Diptera: Sarco...

journal_title：Biological research

authors： Sukontason KL,Sanit S,Klong-Klaew T,Tomberlin JK,Sukontason K

更新日期：2014-04-01 00:00:00

abstract：:Duchenne muscular dystrophy (DMD) is secondary to loss-of-function mutations in the dystrophin gene. The causes underlying the progression of DMD, differential muscle involvement, and the discrepancies in phenotypes among species with the same genetic defect are not understood. The mdx mouse, an animal model with dyst...

journal_title：Biological research

authors： Fadic R

更新日期：2005-01-01 00:00:00

abstract：:The species Heteropterys aphrodisiaca is commonly used as a stimulant by popular medicine in the Cerrado, a savanna-like biome, Brazil. Recent studies have proved its protective effects on testes of animals submitted to treatment using Cyclosporine A, as well as its stimulus effect in increasing testosterone secretion...

journal_title：Biological research

authors： Gomes ML,Monteiro JC,Freitas KM,Sbervelheri MM,Dolder H

更新日期：2011-01-01 00:00:00

abstract：:Shigella flexneri causes bacillary dysentery in humans. Essential to the establishment of the disease is the invasion of the colonic epithelial cells. Here we investigated the role of the lipopolysaccharide (LPS) O antigen in the ability of S. flexneri to adhere to and invade polarized Caco-2 cells. The S. flexneri 2a...

journal_title：Biological research

authors： Hoare A,Bravo D,Martinić M,Valvano MA,Contreras I,Álvarez SA

更新日期：2012-01-01 00:00:00

abstract：:Santiago de Chile has a high level of air pollution with ozone (O3), carbon monoxide (CO) and particles equal or smaller than 10 microns (PM10) usually exceeding the accepted standards. This situation should be noxious for the exposed population and particularly--in the case of O3 and PM10--for the respiratory system....

journal_title：Biological research

authors： Oyarzún M,Pino P,Ortiz J,Olaeta I

更新日期：1998-01-01 00:00:00

abstract：:Twelve biological variables were submitted to dimensional analysis in accordance with the MLT-system of physics (M, mass; L, length; T, time). Each of these variables has a characteristic numerical value for the exponents alpha for mass, beta for length, and gamma for time. By means of Newton's reduction coefficient (...

journal_title：Biological research

authors： Günther B,Gonzalez U,Morgado E

更新日期：1992-01-01 00:00:00

abstract：:The neuropeptide oxytocin (OXT) is a key factor in the initiation and regulation of sociosexual behavior. The present study analyzes the effects of cohabitation and social challenge on plasma OXT concentration rates in guinea pig pairs in relation to male sociosexual behavior. The cohabitation phase lasted 3 days. On ...

journal_title：Biological research

authors： Wallner B,Dittami J,Machatschke I

更新日期：2006-01-01 00:00:00