Results: 51

Effect of lncRNA HULC knockdown on rat secreting pituitary adenoma GH3 cells

Braz. j. med. biol. res; 52 (4), 2019
Pituitary adenoma is one of the most common tumors in the neuroendocrine system. This study investigated the effects of long non-coding RNAs (lncRNAs) highly up-regulated in liver cancer (HULC) on rat secreting pituitary adenoma GH3 cell viability, migration, invasion, apoptosis, and hormone secretion, a...

Hydrogen sulfide protects H9c2 cardiomyoblasts against H2O2-induced apoptosis

Braz. j. med. biol. res; 52 (4), 2019
Reactive oxygen species (ROS) are highly reactive chemical species that may cause irreversible tissue damage, and play a critical role in cardiovascular diseases. Hydrogen sulfide (H2S) is a gasotransmitter that acts as a ROS scavenger with cardio-protective effects. In this study, we investigated the cy...

Effect of miR-134 against myocardial hypoxia/reoxygenation injury by directly targeting NOS3 and regulating PI3K/Akt pathway

Acta cir. bras; 34 (8), 2019
Abstract Purpose To reveal the function of miR-134 in myocardial ischemia. Methods Real-time PCR and western blotting were performed to measure the expression of miR-134, nitric oxide synthase 3 (NOS3) and apoptotic-associated proteins. Lactic dehydrogenase (LDH) assay, cell counting kit-8 (CCK-8), Hoe...

The long non-coding RNA H19 induces hypoxia/reoxygenation injury by up-regulating autophagy in the hepatoma carcinoma cells

Biol. Res; 52 (), 2019
BACKGROUND: Long non-coding RNA H19 (H19) plays an important role by regulating protein expression in different tissues and organs of the body. However, whether H19 induces hypoxia/reoxygenation (h/R) injury via increase of autophagy in the hepatoma carcinoma cells is unknown. RESULTS: H19 was expressed ...

Long non-coding RNA MALAT1 enhances the apoptosis of cardiomyocytes through autophagy inhibition by regulating TSC2-mTOR signaling

Biol. Res; 52 (), 2019
BACKGROUND: Our previous study showed that knockdown of long noncoding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) attenuated myocardial apoptosis in mouse acute myocardial infarction (AMI). This study aims to explore whether MALAT1 enhanced cardiomyocyte apoptosis via au...

Molecular aspects of the teratogenesis of rubella virus

Biol. Res; 52 (), 2019
Rubella or German measles is an infection caused by rubella virus (RV). Infection of children and adults is usually characterized by a mild exanthematous febrile illness. However, RV is a major cause of birth defects and fetal death following infection in pregnant women. RV is a teratogen and is a major ...

Apoptotic mechanisms in rabbits with blast-induced acute lung injury

Acta cir. bras; 33 (10), 2018
Abstract Purpose: To investigate the apoptotic mechanisms in rabbits with blast-induced acute lung injury (ALI). Methods: A total of 40 rabbits were randomly divided into a blank control group (A, n=10) and an experimental group (EXP, n=30). Explosion-induced chest-ALI models were prepared and sampled...

The protection effect and mechanism of hyperbaric oxygen therapy in rat brain with traumatic injury

Acta cir. bras; 33 (4), 2018
Abstract Purpose: To investigate the effect of hyperbaric oxygen therapy (HBOT) on traumatic brain injury (TBI) outcome. Methods: The modified Marmarou's weight drop device was used to generate non-lethal moderate TBI rat model, and further developed in vitro astrocytes culturing system. Then, we anal...

Effect of varying hypoxia reoxygenation times on autophagy of cardiomyocytes

Acta cir. bras; 33 (3), 2018
Abstract Purpose: To investigate the impact of different hypoxia reoxygenation (HR) times on autophagy of rat cardiomyocytes (H9C2). Methods: Rat cardiomyocytes were randomly divided into normal control group (group A), hypoxia group (group B), 2 h HR group (group C), 12 h HR group (group D), and 24 h...

Efecto combinado de la interacción genética sobre el desarrollo del bocio nodular con tiroiditis autoinmune y adenoma tiroideo en los habitantes de Bucovina del Norte
Combined effect of gene-gene interaction on the development of nodular goiter with autoimmune thyroiditis and thyroid adenoma in the inhabitants of Northern Bukovyna

ABSTRAC This article presents the results of a comprehensive analysis of the combined influence of genetic polymorphisms associated with various links of apoptosis regulation (BCL-2, CTLA-4 and APO-1/Fas) on the development of nodular goiter with autoimmune thyroiditis and thyroid adenoma in the studied ...