Effectiveness of zinc in modulating perinatal effects of arsenic on the teratological effects in mice offspring.

abstract：:Cyanobacteria display a large diversity of cellular forms ranging from unicellular to complex multicellular filaments or aggregates. Species in the group present a wide range of metabolic characteristics including the fixation of atmospheric nitrogen, resistance to extreme environments, production of hydrogen, seconda...

journal_title：Biological research

authors： Stucken K,Koch R,Dagan T

更新日期：2013-01-01 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：: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：:Hepcidin (Hepc) is a 25 amino acid cationic peptide with broad antibacterial and antifungal actions. A likely role for Hepc in iron metabolism was suggested by the observation that mice having disruption of the gene encoding the transcription factor USF2 failed to produce Hepc mRNA and developed spontaneous visceral i...

journal_title：Biological research

authors： Mena NP,Esparza AL,Núñez MT

更新日期：2006-01-01 00:00:00

abstract：:Allium cepa L. meristems were used as a plant model to study the p53-independent control of S and G2 phases by checkpoint pathways, in eukaryotic cells. Checkpoint blocks were induced at early and mid S by hydroxyurea. After their spontaneous override, cells became accumulated in G2-prophase, giving rise later on to a...

journal_title：Biological research

authors： Pelayo HR,Pincheira J,Giménez-Abián JF,Clarke DJ,de la Torre C

更新日期：2003-01-01 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

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 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 aim of this study is to describe the ultrastructural changes of the egg apparatus associated with fertilisation of the natural tetraploid Trifolium pratense. The pollen tube enters one of the synergids through the filliform apparatus from the micropyle. Before the entry of the pollen tube into the embryo sac, one ...

journal_title：Biological research

authors： Buyukkartal HN

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:The study was conducted to evaluate the in vitro thrombolytic activity, and in vivo analgesic, anti-inflammatory and antipyretic potentials of different hydrocarbon soluble extracts of Litsea glutinosa leaves for the first time widely used in the folkloric treatments in Bangladesh. This work aimed to create ...

journal_title：Biological research

authors： Bhowmick R,Sarwar MS,Dewan SM,Das A,Das B,Uddin MM,Islam MS,Islam MS

更新日期：2014-10-29 00:00:00

abstract：:The objective of this study was to test the hypothesis that root of maguey (Agave salmiana Otto ex Salm-Dyck) seedlings reacts during the first 24 h to low substrate water potential (PsiW), by anatomical modifications. Three-4 cm root length seedlings were planted in vermiculite for 24 h at PsiW between -0.03 and -2.3...

journal_title：Biological research

authors： Peña-Valdivia CB,Sánchez-Urdaneta AB

更新日期：2009-01-01 00:00:00

abstract：:Red blood cell carbonic anhydrase (CA) activity has not been studied in high altitude natives. Because CA is an intraerythocytic enzyme and high altitude natives are polycythemic, it is important to know if the activity of CA per red cell volume is different from that of their sea level counterparts. Blood was collect...

journal_title：Biological research

authors： Gamboa J,Caceda R,Gamboa A,Monge-C C

更新日期：2000-01-01 00:00:00

abstract：BACKGROUND:This study aimed to determine the seasonal changes of total antioxidant activity and phenolic compounds in samples taken from leaves (April, July, October) and stems (April, July, October, January) of some almond (Prunus amygdalus L.) varieties (Nonpareil, Ferragnes and Texas). RESULTS:It was indicated that...

journal_title：Biological research

authors： Sivaci A,Duman S

更新日期：2014-04-01 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：:Unilateral brain damage which includes the hippocampus leads to memory impairments consistent with hemispheric specialization on the same side. Damage to the corpus callosum, the major connecting pathway between the left and right hemispheres, also leads to memory impairments. This suggests both hemispheric specializa...

journal_title：Biological research

authors： Zaidel DW

更新日期：1995-01-01 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：: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：BACKGROUND:Ubiquitin specific peptidase 39 (USP39), an essential factor in the assembly of the mature spliceosome complex, has an aberrant expression in several cancer. However, its function and the corresponding mechanism on human osteosarcoma has not been fully explored yet. METHODS:The mRNA and DNA copies of USP39 ...

journal_title：Biological research

authors： Gan Z,Han K,Lin S,Hu H,Shen Z,Min D

更新日期：2017-04-12 00:00:00

abstract：:The electrophysiological properties of neurons are determined by the expression of defined complements of ion channels. Nonetheless, the regulation mechanisms of the expression of neuronal ion channels are poorly understood, due in part to the diversity of neuron subtypes. We explored the expression of voltage-gated c...

journal_title：Biological research

authors： Olguín P,Armisen R,Kukuljan M

更新日期：2006-01-01 00:00:00

abstract：:Breast cancer is the most common malignancy among women. Chilean studies reveal that this cancer presents the third highest mortality rate. A family history of breast cancer is one of the major risk factors for the development of this disease. BRCA1 and BRCA2 are the two main hereditary breast cancer susceptibility ge...

journal_title：Biological research

authors： Jara L,Ampuero S,Seccia L,Bustamante M,Blanco R,Ojeda JM

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND:CCL2 was up-regulated in neurons and involved in microglia activation and neurological decline in mice suffering from hepatic encephalopathy (HE). However, no data exist concerning the effect of neuron-derived CCL2 on microglia activation in vitro. METHODS:The rats were pretreated with CCL2 receptor inhibit...

journal_title：Biological research

authors： Zhang L,Tan J,Jiang X,Qian W,Yang T,Sun X,Chen Z,Zhu Q

更新日期：2017-09-04 00:00:00

abstract：:Osteoporosis is a common metabolic bone disease, influenced by genetic and environmental factors, that increases bone fragility and fracture risk and, therefore, has a serious adverse effect on the quality of life of patients. However, epigenetic mechanisms involved in the development of osteoporosis remain unclear. T...

journal_title：Biological research

authors： Yang Y,Yujiao W,Fang W,Linhui Y,Ziqi G,Zhichen W,Zirui W,Shengwang W

更新日期：2020-09-16 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：:Object recognition memory allows discrimination between novel and familiar objects. This kind of memory consists of two components: recollection, which depends on the hippocampus, and familiarity, which depends on the perirhinal cortex (Pcx). The importance of brain-derived neurotrophic factor (BDNF) for recognition m...

journal_title：Biological research

authors： Muñoz PC,Aspé MA,Contreras LS,Palacios AG

更新日期：2010-01-01 00:00:00

abstract：:Galectins (S-type or S-Lac lectins) are a well-defined family of beta-galactoside animal lectins characterized by a high sequence homology in the carbohydrate-binding domain. We have previously purified and characterized the S-type lectin from the ovary of the toad Bufo arenarum. In this study, we purified the S-type ...

journal_title：Biological research

authors： Elola MT,Fink NE

更新日期：1997-01-01 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：: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：: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：:7-ketocholesterol (7-KC) differs from cholesterol by a functional ketone group at C7. It is an oxygenated cholesterol derivative (oxysterol), commonly present in oxidized low-density lipoprotein (LDL). Oxysterols are generated and participate in several physiologic and pathophysiologic processes. For instance, the cyt...

journal_title：Biological research

authors： Favero GM,Maranhão RC,Maria DA,Levy D,Bydlowski SP

更新日期：2010-01-01 00:00:00

abstract：BACKGROUND:Impaired wound healing is a complication of diabetes and a serious problem in clinical practice. We previously found that whey protein (WP) was able to regulate wound healing normally in streptozotocin (STZ)-diabetic models. This subsequent study was designed to assess the effect of WP on heat shock protein-...

journal_title：Biological research

authors： Ahmed RR,Mahmoud A,Ahmed OM,Metwalli A,Ebaid H

更新日期：2015-10-01 00:00:00