نتایج جستجو برای: hv group
تعداد نتایج: 983073 فیلتر نتایج به سال:
Hyaline vascular Castleman disease (HV-CD) is a localized benign mass characterized by follicular hyperplasia with atrophic germinal centers, mantle zone hyperplasia, hyaline deposits, and vascular proliferation. Before establishing a diagnosis of CD, several B-cell lymphomas (BCLs) must be considered, including follicular lymphoma (FL), mantle cell lymphoma (MCL), and nodal marginal zone lymph...
BACKGROUND An evolution of CPH34 (CPH34 HV) for stapled transanal rectal resections was developed and tested to assess its safety and resection volume as compared to other staplers. MATERIALS AND METHODS A total of 16 pigs were randomly assigned to rectal prolapsectomy with CPH34 HV (n=4), CPH34 (n=4), PPH03-33 (n=4), HEEA (n=2) and PPH-01 (n=2). Measures and histological structure of specime...
Mammalian secretory class V phospholipase A2 (PLA2) is a newly discovered PLA2 that is implicated in eicosanoid formation in inflammatory cells. As a first step towards understanding the structure, function and regulation of this PLA2, we constructed a bacterial expression vector for human secretory class V PLA2 (hV-PLA2), over-expressed and purified the protein, and determined its physical and...
The reconstruction problem is considered in those classes of discrete sets where the reconstruction can be performed from two projections in polynomial time. The reconstruction algorithms and complexity results are summarized in the case of hv-convex sets, hv-convex 8-connected sets, hv-convex polyominoes, and directed h-convex sets. As new results some properties of the feet and spines of the ...
A strict orthogonal drawing of a graph G = (V,E) in R is a drawing of G such that each vertex is mapped to a distinct point and each edge is mapped to a horizontal or vertical line segment. A graph G is HV -restricted if each of its edges is assigned a horizontal or vertical orientation. A strict orthogonal drawing of an HV -restricted graph G is good if it is planar and respects the edge orien...
The voltage sensor domain (VSD) is the key module for voltage sensing in voltage-gated ion channels and voltage-sensing phosphatases. Structurally, both the VSD and the recently discovered voltage-gated proton channels (Hv channels) voltage sensor only protein (VSOP) and Hv1 contain four transmembrane segments. The fourth transmembrane segment (S4) of Hv channels contains three periodically ali...
AIM Ventilation with pure oxygen (hyperoxic ventilation: HV) is thought to decrease whole body oxygen consumption (VO(2)). However, the validity and impact of this phenomenon remain ambiguous; until now, under hyperoxic conditions, VO(2) has only been determined by the reverse Fick principle, a method with inherent methodological problems. The goal of this study was to determine changes of VO(2...
BACKGROUND Altered hypothalamus-pituitary-adrenal (HPA) axis function and reduced hippocampal volume (HV) are established correlates of stress vulnerability. We have previously shown an attenuated cortisol awakening response (CAR) and associations with HV specifically in male first-episode psychosis patients. Findings in individuals at ultra-high risk (UHR) for psychosis regarding these neurobi...
This review summarizes evidence in humans for an association between hyperventilation (HV)-induced hypocapnia and a reduction in cerebral perfusion leading to syncope defined as transient loss of consciousness (TLOC). The cerebral vasculature is sensitive to changes in both the arterial carbon dioxide (PaCO2) and oxygen (PaO2) partial pressures so that hypercapnia/hypoxia increases and hypocapn...
Hydroa vacciniforme (HV) is a photosensitivity disorder in childhood characterized by recurrent vacciniform vesicles, necrotic ulcers, and scars on sun-exposed areas. HV-like lymphoma is a rare variant of cutaneous T-cell lymphoma. HV, atypical HV and HV-like lymphoma belong to the spectrum of Epstein-Barr virus (EBV)-associated lymphoproliferative disorders. We report a fatal case of HV-like l...
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