Lymphocytes cluster about dendritic cells (DC) spontaneously in 48 h cultures of rheumatoid arthritis synovial fluid (RA SF) mononuclear cells and in peripheral blood autologous or allogeneic mixed leukocyte reactions. In the latter case, the clusters are predominantly CD4+ T cells (T4/T8 greater than 5) and with time progress in blastic cells that express IL-2 (Tac) and/or transferrin (T9) rec...

OBJECTIVE The present study aimed to derive the new simple, reliable, and accurate formula based on a body measurement parameter and not on reference graphs, to determine umbilical arterial catheter length of high placement, between the sixth to tenth thoracic vertebral (T6-T10) levels. Accuracy among a variety offormulas was also examined. MATERIAL AND METHOD A prospective recruitment of 40 ...

During T-cell maturation, thymocytes interact with thymic stromal major histocompatibility complex (MHC) determinants and thymic hormones, and proliferate, apparently in response to MHC gene products, in the absence of antigen. The maturing thymocytes also express a series of cell surface molecules, at one stage coexpressing T4, T6, and T8. Mature T cells express either T4 or T8, lack T6, bear ...

We recently have found that the human T cell antigen Leu-2 was specifically released from Leu-2-bearing cells. The preliminary study showed that the released Leu-2 (RLeu-2) from HPB-ALL cells was composed of a single polypeptide chain of 27,000 molecular weight (mol wt), which was smaller than the subunit of the homodimeric molecule found on the cell surface. In the present study, RLeu-2 was fu...

We study the strong-coupling regime of the t-t8 Hubbard model, filled up to the level of the van Hove singularities, by means of an exact diagonalization approach. We characterize the different phases of the model by the different sectors of the Hilbert space with given quantum numbers. By looking for the ground state of the system, we find essentially the competition between a state with incip...

It has been shown earlier using sympathetic reflexes and anatomic techniques that preganglionic neurons controlling different effectors occupy wide and overlapping ranges of adjacent segments in the spinal cord (cardiac: T1-T7, vertebral: T2-T8). Because, however, the majority of preganglionic neurons are silent at resting states, the present study was designed to estimate the segmental map of ...

Two major types of lymphocytosis of large granular lymphocytes (LGLs) were observed. The proliferating LGLs in each type had distinct immunophenotypes, functional characteristics, and probably belonged to different cell lineages. The more common form (Type A) consisted of cells derived from the T cell lineage and had the T suppressor/cytotoxic phenotype (T11+, T3+, T8+). The expression of the L...

The present study derives simple formulas for the prediction of optimal insertion length of an esophageal temperature-sensitive probe from the measurements of either standing or sitting height. The formulas assume that the optimal site for an esophageal temperature probe is in the region of the esophagus bounded by the left ventricle and aorta, corresponding to the level of the eighth and ninth...

It is presently unknown whether oxidative stress increases in disused skeletal muscle in humans. Markers of oxidative stress were investigated in biopsies from the vastus lateralis muscle, collected from healthy subjects before [time 0 (T0)], after 1 wk (T8), and after 5 wk (T35) of bed rest. An 18% decrease in fiber cross-sectional area was detected in T35 biopsies (P<0.05). Carbonylation of m...

OBJECTIVE To compare the ventilatory effects of the three-way laryngeal mask airway (TLMA) and tracheal tube (TT) on hemodynamics, respiratory function, and stress responses in a canine model during bronchoalveolar lavage (BAL). STUDY DESIGN Experimental study. PLACE AND DURATION OF STUDY The 303rd Hospital of the Chinese People&amp;#039;s Liberation Army in May 2013. METHODOLOGY Sixteen ...