Genetic polymorphism in eight Chilean strains of the carotenogenic microalga Dunaliella salina Teodoresco (Chlorophyta).

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：: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：: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：:The aim of this study was to compare the effects of Mediterranean-type diet (MD), high-fat diet (HFD), and red wine supplementation on plasma concentration of emergent haemostatic cardiovascular risk factors (HCVRF) and on variables of primary haemostasis (bleeding time, plasma von Willebrand factor and platelet aggre...

journal_title：Biological research

authors： Mezzano D

更新日期：2004-01-01 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：: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：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：: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：: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：: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：: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：:Most Colombian populations stem from the admixture of Caucasians, Amerindians and Negroids. In the world, these two latter ethnical groups show a significantly higher prevalence of epilepsy than the former one. We tested the hypothesis that the high prevalence of idiopathic epilepsy with generalized tonic clonic seizu...

journal_title：Biological research

authors： Jiménez I,Mora O,Lopez G,Jiménez ME,Zuluga L,Isaza R,Sanchez JL,Uribe CS,Valenzuela CY,Blanco R,Arcos-Burgos M

更新日期：1996-01-01 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：BACKGROUND:Prunella vulgaris L. is a medical plant cultivated in sloping, sun-shaded areas in China. Recently, owing to air-environmental stress, especially drought stress strongly inhibits plant growth and development, the appropriate fertilizer supply can alleviate these effects. However, these is little information ...

journal_title：Biological research

authors： Chen Y,Liu L,Guo Q,Zhu Z,Zhang L

更新日期：2016-02-24 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：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：: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：: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：BACKGROUND:IcarisideII (ICAII) could promote the differentiation of adipose tissue-derived stem cells (ADSCs) to Schwann cells (SCs), leading to improvement of erectile function (EF) and providing a realistic therapeutic option for the treatment of erectile dysfunction (ED). However, the underlying molecular mechanisms...

journal_title：Biological research

authors： Ge P,Guo Y,Shen J

更新日期：2019-10-03 00:00:00

abstract：BACKGROUND:The Tridax procumbens flavonoids (TPF), are well known for their medicinal properties among local natives. The TPF are traditionally used for dropsy, anaemia, arthritis, gout, asthma, ulcer, piles, and urinary problems. It also used in treating gastric problems, body pain, and rheumatic pains of joints. The ...

journal_title：Biological research

authors： Al Mamun MA,Islam K,Alam MJ,Khatun A,Alam MM,Al-Bari MA,Alam MJ

更新日期：2015-09-12 00:00:00

abstract：:This study examined the effects of estrogen supplementation on markers of neutrophil infiltration and damage in skeletal muscle of rats following ischemia. Male and female gonad-intact rats, with or without 14 days of estrogen supplementation were subjected to two hours of hind-limb ischemia and sacrificed at 24, 48 o...

journal_title：Biological research

authors： Tiidus PM,Deller M,Bombardier E,Gül M,Liu XL

更新日期：2005-01-01 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：: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：:Angiotensin-(1-7) [Ang-(1-7)] possesses novel biological functions that are distinct from angiotensin II (Ang II). In coronary arteries, the octapeptide Ang II and the heptapeptide Ang-(1-7) exert opposing actions. Ang II elicits vasoconstriction and Ang-(1-7) is a vasodilator. Ang-(1-7) elicits vasodilation by an end...

journal_title：Biological research

authors： Brosnihan KB,Li P,Tallant EA,Ferrario CM

更新日期：1998-01-01 00:00:00

abstract：:Tumor growth is the result of combined cell proliferation overwhelming cell death and neoangiogenesis. This report shows CAM angiogenesis promoted by TA3 tumor supernatant with or without low dosis of betamethasone (Minimal antiangiogenic concentration: beta-MAAC). Methylcellulose discs instilled with 10 microliters o...

journal_title：Biological research

authors： Lemus D,Dabancens A,Illanes J,Fuenzalida M,Guerrero A,López C

更新日期：2001-01-01 00:00:00

abstract：:Interstitial fluid flow stress is one of the most important mechanical stimulations of bone cells under physiological conditions. Osteocytes and osteoblasts act as primary mechanosensors within bones, and in vitro are able to respond to fluid shear stress, both morphologically and functionally. However, there is littl...

journal_title：Biological research

authors： Xu H,Zhang J,Wu J,Guan Y,Weng Y,Shang P

更新日期：2012-01-01 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：: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：:Although several histone variants have been studied in both animal and plant organisms, little is known about their distribution during processes that involve alterations in chromatin function, such as differentiation, dedifferentiation and hormone treatment. In this study we evaluated the ratio of each histone varian...

journal_title：Biological research

authors： Alatzas A,Foundouli A

更新日期：2009-01-01 00:00:00