Quantitative genetic variation of metabolism in the nymphs of the sand cricket, Gryllus firmus, inferred from an analysis of inbred-lines.

abstract：BACKGROUND:Prognosis remains one of most crucial determinants of gastric cancer (GC) treatment, but current methods do not predict prognosis accurately. Identification of additional biomarkers is urgently required to identify patients at risk of poor prognoses. METHODS:Tissue microarrays were used to measure expressio...

journal_title：Biological research

authors： Li W,Chen Y,Sun X,Yang J,Zhang DY,Wang D,Suo J

更新日期：2019-08-09 00:00:00

abstract：:Vasopressin and bradykinin are two of the most important peptides in regulating vascular tone, water, and ionic balance in the body, and thus they play a key role in controlling blood pressure. In addition to being a potent vasoconstrictor, Vasopressin also has an antidiuretic activity in the kidney, whereas kinins re...

journal_title：Biological research

authors： Gonzalez CB,Figueroa CD

更新日期：1999-01-01 00:00:00

abstract：:Although evidence is accumulating that prenatal testosterone (T) compromises reproductive function in the female, the effects of excess T in utero on the postnatal development of male reproductive function has not been studied. The aim of this study was to assess the influence of prenatal T excess on age-related chang...

journal_title：Biological research

authors： Recabarren SE,Lobos A,Figueroa Y,Padmanabhan V,Foster DL,Sir-Petermann T

更新日期：2007-01-01 00:00:00

abstract：:Eight Chilean strains of Dunaliella salina obtained within a restricted geographic range, but exhibiting a high variability in their morphology, rate of growth and carotenogenic capacity, were analyzed by Random Amplified Polymorphic DNA (RAPD-PCR) Twenty of the 50 random primers (D, P, OPA and OPD series) that were t...

journal_title：Biological research

authors： Gomez PI,Gonzalez MA

更新日期：2001-01-01 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：:Studies of kallikrein-kinin systems since the 1930's have now led to substantial insight into the importance of this vasoactive system in the regulation of cardiovascular and renal function. It now seems clear that before long, these insights will lead to new therapeutic attacks upon diseases of the cardiovascular sys...

journal_title：Biological research

authors： Margolius HS

更新日期：1998-01-01 00:00:00

abstract：:Many motor skills, once acquired, are stored over a long time period, probably sustained by permanent neuronal changes. Thus, in this paper we have investigated with quantitative stereology the generation and persistence of neuronal density changes in primary motor cortex (MI) following motor skill learning (skilled r...

journal_title：Biological research

authors： Morales P

更新日期：2008-01-01 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：BACKGROUND:miR-214 was demonstrated to be upregulated in models of renal disease and promoted fibrosis in renal injury independent of TGF-β signaling in vivo. However, the detailed role of miR-214 in acute kidney injury (AKI) and its underlying mechanism are still largely unknown. METHODS:In this study, an I/R-induced...

journal_title：Biological research

authors： Zhu X,Li W,Li H

更新日期：2018-09-04 00:00:00

abstract：:Bovine median eminence contains a factor difference from gonadotropin-releasing hormone (GnRH) than increases basal luteinizing hormone (LH) secretion and potentiates GnRH-stimulated LH release. We compared the effect of hypothalamic neuropeptides on basal and GnRH-stimulated LH secretion using rat pituitary cells und...

journal_title：Biological research

authors： Leiva LA,Croxatto HB

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND:Conjunctival filtering bleb scar formation is the main reason for the failure of glaucoma filtration surgery. Cytoglobin (Cygb) has been reported to play an important role in extracellular matrix (ECM) remodeling, fibrosis and tissue damage repairing. This study aimed to investigate the role of Cygb in anti-...

journal_title：Biological research

authors： Wei H,Lin L,Zhang X,Feng Z,Wang Y,You Y,Wang X,Hou Y

更新日期：2019-04-16 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：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：:Brain cells have a highly active oxidative metabolism, yet they contain only low to moderate superoxide dismutase and catalase activities. Thus, their antioxidant defenses rely mainly on cellular reduced glutathione levels. In this work, in cortical neurons we characterized viability and changes in reduced and oxidize...

journal_title：Biological research

authors： Aguirre P,Mena N,Tapia V,Rojas A,Arredondo M,Núñez MT

更新日期：2006-01-01 00:00:00

abstract：:Cells tightly regulate iron levels through the activity of iron regulatory proteins (IRPs) that bind to RNA motifs called iron responsive elements (IREs). When cells become iron-depleted, IRPs bind to IREs present in the mRNAs of ferritin and the transferrin receptor, resulting in diminished translation of the ferriti...

journal_title：Biological research

authors： Nuñez MT,Garate MA,Arredondo M,Tapia V,Muñoz P

更新日期：2000-01-01 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：:Peroxisomes are thought to be formed by division of pre-existing peroxisomes after the import of newly synthesized proteins. However, it has been recently suggested that the endoplasmic reticulum (ER) provides an alternative de novo mechanism for peroxisome biogenesis in some cells. To test a possible role of the ER-G...

journal_title：Biological research

authors： Toro A,Arredondo C,Córdova G,Araya C,Palacios JL,Venegas A,Morita M,Imanaka T,Santos MJ

更新日期：2007-01-01 00:00:00

abstract：:Skeletal muscles have the potential to regenerate by activation of quiescent satellite cells, however, the molecular signature that governs satellite cells during muscle regeneration is not well defined. Myosin light chains (Myls) are sarcomere-related proteins as traditional regulator of muscle contraction. In this r...

journal_title：Biological research

authors： Zhang SZ,Xu Y,Xie HQ,Li XQ,Wei YQ,Yang ZM

更新日期：2009-01-01 00:00:00

abstract：:By using the fluorescent Ca2+ indicator fura 2, submicromolar levels of intracellular Ca2+ have been detected in Trypanosoma cruzi different stages. The intracellular transport mechanisms involved in maintaining Ca2+ homeostasis in T. cruzi have been characterized by measuring Ca2+ transport in digitonin-permeabilized...

journal_title：Biological research

authors： Docampo R

更新日期：1993-01-01 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：BACKGROUND:Left ventricular diastolic dysfunction is one of the main characteristics of heart failure patients with a preserved left ventricular ejection fraction. As bilirubin is regarded as an important endogenous antioxidant molecule, serum total bilirubin levels were compared between heart failure patients with a p...

journal_title：Biological research

authors： Zheng H,Li Y,Xie N

更新日期：2014-03-26 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：: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：BACKGROUND:Changed temperature not only threaten agricultural production, but they also affect individual biological behavior, population and community of many insects, and consequently reduce the stability of our ecosystem. Insect's ability to respond to temperature stress evolved through a complex adaptive process, t...

journal_title：Biological research

authors： Zhang Y,Wu H,Xie J,Jiang R,Deng C,Pang H

更新日期：2015-11-19 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：:X-Ray diffraction is the only method currently available for the determination of the detailed three-dimensional structure of macromolecules. In this article, the principles behind the use of X-ray crystallography in the study of protein structure are presented. The results obtained in its application to several enzym...

journal_title：Biological research

authors： Cid H

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND:Limonoids are highly oxygenated compounds with a prototypical structure. Their occurrence in the plant kingdom is mainly confined to plant families of Meliaceae and Rutaceae. Owing to their wide range of pharmacological and therapeutic properties, this study was aimed at investigating the potential nitric ox...

journal_title：Biological research

authors： Dzoyem JP,Tsamo AT,Melong R,Mkounga P,Nkengfack AE,McGaw LJ,Eloff JN

更新日期：2015-10-13 00:00:00

abstract：:Caffeic acid, rosmarinic acid and oligomers of caffeic acid with multiple catechol groups are all constituents of Salvia officinalis. Their antioxidant potential was investigated with regard to their radical scavenging activity and the stability and structure of the intermediate radicals. Pulse-radiolytic studies reve...

journal_title：Biological research

authors： Bors W,Michel C,Stettmaier K,Lu Y,Foo LY

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Understanding the molecular basis underlying the formation of bone-forming osteocytes and lipid-storing adipocytes will help provide insights into the cause of disorders originating in stem/progenitor cells and develop therapeutic treatments for bone- or adipose-related diseases. In this study, the role of R...

journal_title：Biological research

authors： Madrigal A,Tan L,Zhao Y

更新日期：2017-12-26 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