“Leaf litter decomposes on the surface of soil in natural


“Leaf litter decomposes on the surface of soil in natural systems and element transfers between litter and soil are commonly found. However, how litter and soil organic matter (SOM) interact to influence decomposition rate and nitrogen (N) release remains unclear.\n\nLeaf litter and mineral soil of top 0-5 cm from six forests were incubated separately, or together with litter on soil surface at 25 A degrees C for 346 days. Litter N remaining and soil respiration rate were repeatedly measured during incubation. Crenolanib chemical structure Litter carbon (C) and mass losses and mineral N concentrations

in litter and soil were measured at the end of incubation.\n\nNet N transfer from soil to litter was found in all litters when incubated with soil. Litter incubated with soil lost more C than litter incubated alone after 346 days. For litters with initial C: N ratios lower than

52, net N-min after 346 days was 100 % higher when incubated with soil than when incubated alone. Litter net N-min rate was negatively related to initial C: N ratio when incubated with soil but not when incubated alone. Soil respiration rate and net N-min rate did not differ between soil incubated with litter and soil incubated alone.\n\nWe Selleckchem Cl-amidine conclude that soils may enhance litter decomposition rate by net N transfer from soil to litter. Our results together with studies on litter mixture decomposition suggest that net N transfer between decomposing organic matter with different N status may be common

and may significantly influence decomposition and N release. The low net N-min rate during litter decomposition along with the small size of litter N pool compared to soil N pool suggest that SOM rather than decomposing litter is the major contributor to plant mineral N supply.”
“Although many recent studies have suggested that CDzr helper T cell (Th-cell) functions are well conserved among teleost fishes and mammals, there is little evidence that CDT’ Th-cells in fish are actually involved in both humoral and cell-mediated immunity during a secondary immune response. In the present study, adoptive transfer using clonal ginbuna crucian carp and crucian carp hematopoietic necrosis virus (CHNV) was used to investigate the functions of CDT’ cells during humoral and cell-mediated immunity. With AICAR purchase regard to humoral immunity, transplanting CHNV-sensitized donor cells, containing OA(+) cells, into naive fish induced more rapid and stronger antibody production than by transplanting non-sensitized donor cells or sensitized donor cells lacking CIA(+) cells. During cell-mediated immunity, no significant differences were found in recipients that received sensitized cells regardless of whether the donor cells contained CD4+ cells, although recipients that received both sensitized donor cells (with and without CD4+ cells) exhibited more efficient cell-mediated cytotoxicity than those that received nonsensitized donor cells.

Methods and results Patients were suitable for inclusion if they

Methods and results Patients were suitable for inclusion if they presented (i) an ACS that was successfully revascularized by manual thrombo-aspiration and (ii) a large residual thrombus on coronary angiography and initial FD-OCT analysis. These patients underwent a second procedure including FD-OCT analysis after several days of optimal antithrombotic therapy. Serial area measurements within the athero-thrombotic culprit lesion were performed to evaluate the HKI-272 research buy OCT-thrombus score, volume, and length. Sixteen patients (88% men/age = 59.3 +/-

4.1 years/94% STEMI) were included in the study. The mean delay between OCT analyses was 3.9 +/- 0.3 day. No adverse event was observed during this interval. We observed a reduction of thrombus burden between the two analyses, as assessed by the significant reductions in OCT-thrombus score (22.3 +/- 2.6 vs. 10.3 +/- 1.3, P smaller than 0.001), OCT-thrombus volume (9.6 +/- 2.3 Selleck G418 vs. 3.6 +/- 0.9 mm(3), P = 0.003), and OCT-thrombus

length (11.1 +/- 1.4 vs. 7.4 +/- 0.8 mm, P = 0.01). The percentages of OCT-thrombus score and volume reduction were highly correlated with the inter-OCT analyses delay (respectively rho = 0.65 and rho = 0.84, P smaller than 0.01 for both). Conclusion FD-OCT assessment of thrombus volume in selected ACS patients is feasible, safe, and could allow clot regression monitoring in vivo.”
“Context.-Renal interstitial fibrosis and, to a lesser extent, sclerotic glomeruli correlate with poor renal function. However, not all nonfunctional glomeruli are sclerotic. Many or most glomeruli with periglomerular fibrosis, while retaining blood flow, probably do not filter; therefore, they may not contribute to renal function.\n\nObjective.-To examine the relationship of periglomerular fibrosis and the sum of globally sclerotic glomeruli and glomeruli with periglomerular fibrosis (GSG+PF) with interstitial fibrosis and renal function.\n\nDesign.-Native kidney biopsies from 177 patients with chronic

renal injury were assessed for interstitial fibrosis, glomerular sclerosis, ACY-738 supplier and GSG+PF. Renal biopsies with active or acute lesions were not included. The percentage of globally sclerotic glomeruli and GSG+PF was correlated with the degree of interstitial fibrosis and serum creatinine levels.\n\nResults.-The percentage of GSG+PF correlates better with the degree of interstitial fibrosis and renal function than does the percentage of globally sclerotic glomeruli alone. This appears particularly true in chronic renal diseases of patients without diabetes. The number of globally sclerotic glomeruli correlates better with interstitial fibrosis and renal function than does the sum of globally and segmentally sclerotic glomeruli.\n\nConclusions.