BACKGROUND Occult hepatitis B infected (OBI) patients cannot eradicate hepatitis B virus (HBV)-DNA from their liver and peripheral blood, completely. OBJECTIVES The main aim of this study was to investigate the rate of HLA-A2 expression on peripheral blood mononuclear cells (PBMCs) of patients with OBI. MATERIALS AND METHODS In this experimental study, intensity of HLA-A2 was measured on th...

OBJECTIVE: The goal of this study was to compare the Mean Platelet Volume (MPV), Lymphocyte ratio, and Neutrophil ratio by evaluating parameters Complete Blood Count in healthy children patients with heterozygous Beta-thalassemia (HBT).MATERIAL AND METHODS: Between July 2016 September 2019, 60 admitted pediatric hematology-oncology outpatient clinic diagnosed HBT control subjects similar age se...

We show that the braided tensor product algebra A1⊗A2 of two module algebras A1,A2 of a quasitriangular Hopf algebraH is equal to the ordinary tensor product algebra of A1 with a subalgebra of A1⊗A2 isomorphic to A2, provided there exists a realization of H within A1. In other words, under this assumption we construct a transformation of generators which ‘decouples’ A1,A2 (i.e. makes them commu...

Intracoronary administration of complement component C5a induces transient decreases in coronary blood flow and regional left ventricular segment shortening, associated with intramyocardial granulocyte trapping. We evaluated the influence of a cyclooxygenase inhibitor (acetylsalicylic acid, n = 8) or a thromboxane A2/prostaglandin H2 receptor antagonist (SQ29548, n = 6) on these C5a-induced car...

Recently, a2-adrenoceptor activation was shown to play an important role in the vasoconstriction of normal coronary arteries, whereas in the presence of atherosclerosis, the activation of both a1and a2-adrenoceptors reduces coronary blood flow in humans. a2-Adrenoceptors activate pertussis toxin (PTX)-sensitive G proteins, whereas a1-adrenoceptors couple to PTX-insensitive G proteins. Thus, the...

OBJECTIVES An analysis of complications and causes of failure in orbital decompression necessitating a second operation. METHODS Between December 1992 and April 2007, 375 patients (719 orbits) were operated on using various techniques. Fourteen patients were initially operated on in our unit: 8 (group A1) were re-operated on after a short time due to complications connected with the decompres...

BACKGROUND The platelet products thromboxane A2 and serotonin have been shown to cause constriction of well-developed coronary collateral vessels. This study was performed to determine whether intravascular platelet activation produced with platelet activating factor (PAF) can cause a decrease in coronary collateral blood flow. METHODS AND RESULTS Collateral vessel growth was induced by embol...

Central noradrenergic (NA) signaling is broadly implicated in behavioral and physiological processes related to attention, arousal, motivation, learning and memory, and homeostasis. This review focuses on the A2 cell group of NA neurons, located within the hindbrain dorsal vagal complex (DVC). The intra-DVC location of A2 neurons supports their role in vagal sensory-motor reflex arcs and viscer...

Commercial microcolumns introduced in 1976 by Helena Laboratories ("Hb A2 Quik Column") and by Isolab, Inc. ("Quik-Sep") provide a rapid, simple, accurate method for quantitation of hemoglobin A2 (Hb A2). However, these kits cannot be used for the quantitation of Hb A2 in the presence of slow-moving variants such as Hb S. Recently, Isolab, Inc., produced a new kit ("Quik-Sep Improved Hb A2 Test...