[Cerebrospinal Fluid β2-Microglobulin for Prognostic Evaluation of Patients with Central Nervous System Infiltration in Acute Lymphoblastic Leukemia].

Objective: To investigate the prognostic value of serum and cerebrospinal fluid β2-microglobulin (β2-MG) in acute lymphoblastic leukemia (ALL) with central nervous system invasion after chemotherapy.

Methods: 40 patients with leukemia who had been confirmed to have central nervous system infiltration were selected for treatment at the Second Affiliated Hospital of Chongqing Medical University from January 2015 to May 2017, and the serum levels of β2-MG and CSF-β2MG were dynamically monitored and performed statistical analysis.

Results: After chemotherapy, the changes in serum β2-MG were not statistically significant (P>0.

[Microbial eco-characterization and its restoration in copper reclaimed wasteland in red soil area of China. II. Effects on soil microbial characteristics and community structure].

Soil microbial features in Lipu copper mining and non-mine soil were studied comparatively. The results indicated that mine soil possessed obviously different microbial features such as lower microbial biomass carbon and soil basal respiration strength, Cmic/Corg decreasing, and higher microbial ecophysiological parameters qCO2, indicating that heavy metal had a depressive impact on soil microbial eco-characteristics. Biolog data showed that mine soil microbial community structure was changed obviously, the speed and quantity of carbon consuming were increased significantly, and the kinds of carbon sources which soil microorganism used were changed, led to consume much more energies for maintaining the normal needs of its life.