Results: 5033

The influence of growth factors on skin wound healing in rats

ABSTRACT INTRODUCTION: Healing is a process that restores the physical integrity of body structures. It is a dynamic, complex, multicellular process that involves the extracellular matrix, cytokines, blood cells, and growth factors. Growth factors are proteins that activate and stimulate cell proliferat...

Lactoferrina bovina disminuye la invasión de Salmonella enterica en células HEp-2

Objetivo: Evaluar el efecto de la lactoferrina bovina (Lfb) en el proceso de invasión de Salmonella enterica ser. Typhimurium en células HEp-2. Materiales y métodos: Se infectaron células HEp-2 con 10(6) unidades formadoras de colonia (UFC) de la bacteria en ausencia y presencia de 1 y 10 mg/mL de Lf...

Interferon-gamma-induced local leukocytoclastic vasculitis at the subcutaneous injection site

An. bras. dermatol; 91 (5,supl.1), 2016
Abstract Cutaneous reactions associated with interferons (IFNs) treatment are either localized or generalized. The most common presentation of localized reactions at IFNs injection site is usually an erythematous patch or plaque. Local leukocytoclastic vasculitis presenting with cutaneous necrosis is ext...

Actividad de cobre sobre cocáceas grampositivas multi-resistentes a los antibióticos aisladas en hospitales chilenos

Rev. chil. infectol; 33 (5), 2016
Background: Nosocomial infections caused by multiresistant Gram-positive cocci are a serious problem for public health systems worldwide. The use of copper surfaces in hospital environments has proven to be an effective alternative for the control of various microorganisms, including multiresistant nosoc...

Relación clonal y detección del gen blaKPC en cepas de Klebsiella pneumoniae resistentes a carbapenémicos, en un hospital de Venezuela

Rev. chil. infectol; 33 (5), 2016
In order to study the clonal relationship and blaKPC gene detection in clinical isolates of Klebsiella pneumoniae resistant to carbapenems, we analyzed 22 clinical isolates of K. pneumoniae with resistance to imipenem and/ or meropenem, isolated in the laboratory of bacteriology at the University Hospita...

Exopolysaccharide dispelled by calcium hydroxide with volatile vehicles related to bactericidal effect for root canal medication

J. appl. oral sci; 24 (5), 2016
ABSTRACT Objective: Enterococcus faecalis is the dominant microbial species responsible for persistent apical periodontitis with ability to deeply penetrate into the dentin. Exopolysaccharides (EPS) contribute to the pathogenicity and antibiotic resistance of E. faecalis. Our aim was to investigate the ...

Effects of the application techniques of self-adhesive resin cements on the interfacial integrity and bond strength of fiber posts to dentin

J. appl. oral sci; 24 (5), 2016
ABSTRACT Objective: To evaluate the influence of an application technique of a glass-fiber post using self-adhesive resin cements on the push-out bond strength and the presence of bubbles in the root thirds. The cements were either applied according to the manufacturer's instruction or using a commercia...

Inflammatory response of human dental pulp to at-home and in-office tooth bleaching

J. appl. oral sci; 24 (5), 2016
ABSTRACT Tooth bleaching is a technique of choice to obtain a harmonious smile, but bleaching agents may damage the dental pulp. Objective: This study evaluated the inflammatory responses of human dental pulp after the use of two bleaching techniques. Material and Methods: Pulp samples were collected f...

The effect of hippophae rhamnoides extract on oral mucositis induced in rats with methotrexate

J. appl. oral sci; 24 (5), 2016
ABSTRACT Objective: To investigate the effect of HRE (Hippophae rhamnoides extract) on oral mucositis induced in rats with MTX. Material and Methods: Experimental animals were divided into groups as healthy (HG), HRE+MTX (HMTX), and control group, which received MTX (MTXC). HMTX group received 50 mg/kg...