Fimbria-fornix lesion impairs long-term potentiation in the dentate gyrus of the rat.

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：BACKGROUND:CD4+CD25highFOXP3+ regulatory T (Treg) cells, which include thymus-derived and peripherally induced cells, play a central role in immune regulation, and are therefore crucial to prevent graft-versus-host disease (GVHD). The increasing use of allogeneic hematopoietic stem cell transplantation (allo-HSCT) for ...

journal_title：Biological research

authors： Takahashi H,Ikeda K,Ogawa K,Saito S,Ngoma AM,Mashimo Y,Ueda K,Furukawa M,Shichishima-Nakamura A,Ohkawara H,Nollet KE,Ohto H,Takeishi Y

更新日期：2015-07-26 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：: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：: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：: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：:The expression of the acetyl xylan esterase II (axeII) gene from Penicillium purpurogenum is repressed by glucose and induced by xylan, as well as to a small degree by xylose and xylitol. This gene is expressed at neutral pH, but not under alkaline or acidic conditions, in agreement with previous findings for other xy...

journal_title：Biological research

authors： Chávez R,Schachter K,Navarro C,Peirano A,Bull P,Eyzaguirre J

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：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

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：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：: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：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：:A peptide from hindguts of the Triatoma infestans, the hematophagous Chagas' insect vector, activates adenylyl cyclase activity in Trypanosoma cruzi epimastigote membranes and stimulates the in vitro differentiation of epimastigotes (proliferative and non-infectious forms) to metacyclic trypomastigotes (non-proliferat...

journal_title：Biological research

authors： Fraidenraich D,Peña C,Isola EL,Lammel EM,Coso O,Añel AD,Baralle F,Torres HN,Flawia MM

更新日期：1993-01-01 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：: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: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：BACKGROUND:The Hawthorn (Crateagus sp.) mostly occurs around the temperate region of the world with a high number of species, producing a fruit with numerous beneficial effects for human health. The aim of the study was to determine organic acid and sugar contents in the fruit of a number of hawthorn species grown in E...

journal_title：Biological research

authors： Gundogdu M,Ozrenk K,Ercisli S,Kan T,Kodad O,Hegedus A

更新日期：2014-05-30 00:00:00

abstract：:Loss of Imprinting (LOI) of IGF2 and over-expressed IGF2 are associated with tumorigenesis. Our previous epidemiological study found a relatively high frequency of IGF2 LOI in healthy mid-gestation pregnant women. The aim of this study is to determine whether the expression of IGF2 is associated with its imprinting st...

journal_title：Biological research

authors： Ru-Fei G,Xue-Qing L,Ying-Xiong W,Xue-Mei C,Yu-Bin D,Jun-Lin H

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:α-Farnesene is a volatile sesquiterpene synthesized by the plant mevalonate (MVA) pathway through the action of α-farnesene synthase. The α-farnesene synthase 1 (MdAFS1) gene was isolated from apple peel (var. white winter pearmain), and transformed into tobacco (Nicotiana tabacum NC89). The transgenic plant...

journal_title：Biological research

authors： Liu Y,Wang L,Liu H,Zhao R,Liu B,Fu Q,Zhang Y

更新日期：2016-07-02 00:00:00

abstract：:The development of plant transformation in the mid-1980s and of many new tools for cell biology, molecular genetics, and biochemistry has resulted in enormous progress in plant biology in the past decade. With the completion of the genome sequence of Arabidopsis thaliana just around the corner, we can expect even fast...

journal_title：Biological research

authors： Chrispeels MJ,Holuigue L,Latorre R,Luan S,Orellana A,Peña-Cortes H,Raikhel NV,Ronald PC,Trewavas A

更新日期：1999-01-01 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：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：BACKGROUND:Tear desiccation on a glass surface followed by transmitted-light microscopy has served as diagnostic test for dry eye. Four distinctive morphological domains (zones I, II, III and transition band) have been recently recognized in tear microdesiccates. Physicochemical dissimilarities among those domains hamp...

journal_title：Biological research

authors： Traipe-Salas F,Traipe-Castro L,Salinas-Toro D,López D,Valenzuela F,Cartes C,Toledo-Araya H,Pérez C,López Solís R

更新日期：2016-06-03 00:00:00

abstract：:The anti-inflammatory and redox protective effects of the citronellal (CT) were evaluated using in vivo and in vitro tests. Intraperitoneal (i.p.) administration of CT (50, 100, and 200 mg/kg) inhibited (p < 0.05) the carrageenan-induced leukocyte migration to the peritoneal cavity. Additionally, the carrageenan- and ...

journal_title：Biological research

authors： Melo MS,Guimarães AG,Santana MF,Siqueira RS,De Lima Ado C,Dias AS,Santos MR,Onofre AS,Quintans JS,De Sousa DP,Almeida JR,Estevam CS,Araujo BS,Quintans-Júnior LJ

更新日期：2011-01-01 00:00:00

abstract：:Guanine nucleotide binding proteins (GTP-binding proteins) function as transducers of signals in different cellular processes. We have identified several GTP-binding proteins in Trypanosoma cruzi by Western blot analyses. Six polypeptide bands, p20, p25, p28, p31, p37 and p38, were specifically detected in epimastigot...

journal_title：Biological research

authors： Bubis J,Millan EJ,Martinez R

更新日期：1993-01-01 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：:Control of smooth muscle is vital for health. The major route to contraction is a rise in intracellular [Ca2+], determined by the entry and efflux of Ca2+ and release and re-uptake into the sarcoplasmic reticulum (SR). We review these processes in myometrium, to better understand excitation-contraction coupling and de...

journal_title：Biological research

authors： Matthew A,Shmygol A,Wray S

更新日期：2004-01-01 00:00:00

abstract：:Changes in the redox state of the intracellular ryanodine receptor/Ca2+ release channels of skeletal and cardiac muscle or brain cortex neurons affect their activity. In particular, agents that oxidize or alkylate free SH residues of the channel protein strongly enhance Ca(2+)-induced Ca2+ release, whereas reducing ag...

journal_title：Biological research

authors： Hidalgo C,Bull R,Behrens MI,Donoso P

更新日期：2004-01-01 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