Bacterial 16S ribosomal RNA (rRNA) genes contain nine “hyper-variable regions” (V1–V9) that demonstrate considerable sequence diversity among different bacteria. Species-specific sequences within a given hyper-variable region constitute useful targets for diagnostic assays and other scientific investigations. No single region can differentiate among all bacteria; therefore, systematic studies t...

A 12-lead ECG was obtained from a 59-year-old man experiencing chest pain on his first postoperative day following a triple-vessel coronary artery bypass graft (CABG). Is this a single-lead ischaemia? (Fig. 1). The ST-segment elevation in V6 does not represent ischaemia. In fact, lead V6 was inadvertently connected to an epicardial pacing wire, recording a unipolar signal (Fig. 2). www.elsevier...

We explored the involvement of CD44 isoforms in lymphoproliferative disorder (LPD) of the lacrimal gland of a Sjögren's syndrome patient with unilateral LPD. The CD44 variant with the v6 exon was selectively detected from infiltrating lymphocytes in the gland with LPD, but not from infiltrating lymphocytes in the normal lacrimal gland, suggesting that the CD44 v6 variant exon may be closely ass...

The bending fundamental bands o f HCCCN, v< and v6, have been recorded in the region from 470 to 700 cm -1 with a resolution o f 0.04 cm "' using an FT spectrometer. The band centers have been determined precisely; v5 = 663.2220(10) and v6 = 498.8022(10) cm -1 . From the ob­ tained effective rotational constants, the sign o f the /-type doubling constants has been deter­ mined to be positive fo...

Specific CD44 variant glycoproteins are overexpressed at particular stages of colorectal tumor progression. Some variants of the CD44 glycoprotein without exon v6 sequences appear at the earliest stage of tumorigenesis, i.e., in early adenomas. Expression of variants containing exon v6 sequences is largely restricted to the advanced stages of tumor development and in addition is more prevalent ...

This document specifies an IPv4-to-IPv6 transition mechanism, in addition to those already specified in [TRANS]. This solution attempts to provide transparent routing, as defined in [NAT-TERM], to end-nodes in V6 realm trying to communicate with end-nodes in V4 realm and vice versa. This is achieved using a combination of Network Address Translation and Protocol Translation. The scheme describe...

CONSUMO E ENVELHECIMENTON16 V6

CD44 is a family of glycoproteins involved in cell-cell and cell-matrix interactions. In addition to the major 90-kD form present on most hematopoietic cells, larger 140-230 kD forms are found on keratinocytes and carcinoma cell lines. These bigger isoforms of CD44 arise by alternative splicing that results in insertion of one or more of the "variant" exons into the extracellular part of the 90...