B-cell chronic lymphocytic leukemia-associated nuclear antigens

One- and two-dimensional polyacrylamide gel electrophoresis were used to compare the composition of nuclear polypeptides from normal and В-cell chronic lymphocytic leukemia mononuclear cells. Against two electrophoretically-specific nuclear proteins with molecular weight of 38/39 and 44/46 kD a from leukemic cells rabbit sera were obtained. As it was analyzed by Western blot technique the available antisera recognized the 38/39 kDa antigen in 53 of the 56 (94.6%), while the 44/46 kDa in 46 of the 49 (93.9%) of examined В-CLL nuclear fraction preparations, but not in normal ones. The pi values of described leukaemia-specific antigens were determined; p38/39 had pi in the range of pH 6.55 -7.00 and p44/46 - in the range of pH 6.2-6.4.Zadanie pt. „Digitalizacja i udostępnienie w Cyfrowym Repozytorium Uniwersytetu Łódzkiego kolekcji czasopism naukowych wydawanych przez Uniwersytet Łódzki” nr 885/P-DUN/2014 dofinansowane zostało ze środków MNiSW w ramach działalności upowszechniającej naukę

Fatigue life of constructional materials under bending with torsion for crack propagation

The paper presents description of the equivalent range of the stress intensity factor in the case of bending with torsion of specimens where initiation and propagation of fatigue cracks are observed. Calculations with the Matlab-Simulink program were performed in order to estimate fatigue life. The calculations were realized for variable amplitudes of the resultant moment 13 and 16 N×m. The Forman’s relation was also used for the calculations. It has been shown that the Forman’s relation is suitable for description of fatigue life in the tested range of fatigue crack propagation

So, You Want to Be an Adjunct Professor?: The Processes, Perils, and Potential

The American Bar Association’s “50 Simple Ways to Market Your Practice” includes as No. 43 “do adjunct professor work.” In addition, law school economics and restructurings are creating new opportunities for adjunct professor work. If you are intrigued by the possibility of adjunct teaching, now may be just the time to explore such an opportunity with a law school. Law students routinely report high interest and satisfaction with courses taught by practicing attorneys. Yet these successful teaching experiences don’t just happen! There are a number of things to consider before sending your resume to the Dean of your local law school. This article describes best practices to help ensure a successful outcome for an attorney interested in adjunct professor work. Incorporating the best practices in this article into your adjunct teaching will create the learning environment students are seeking, enhance your teaching experience, and leverage this networking and career development opportunity. A decision tree/flow chart is included as an Appendix to the article to assist in determining whether to “do adjunct professor work.

Towards the Application of Atorvastatin to Intensify Proapoptotic Potential of Conventional Antileukemic Agents In Vitro

It has been previously revealed that statins used at high concentrations display antileukemic potential towards chronic lymphocytic leukemia (CLL) cells. However, their usage alone in clinical practice may be limited due to possible side effects of high doses of these drugs. On the other hand, combined treatment of leukemia with statins and the conventional chemotherapeutics is questionable because of unknown influence of the first on the standard treatment results. This study has revealed that in vitro atorvastatin increases the proapoptotic potential of cladribine and mafosfamide in CLL cells isolated from peripheral blood of patients. Moreover, a preincubation with the above statin sensitizes leukemic cells to CM-induced apoptosis even at small concentrations of the drug. The usage of atorvastatin together with or followed by the conventional chemotherapy should be considered as therapeutic option for the treatment for this leukemia. Interestingly, CM-resistant patients might have the biggest benefits from atorvastatin administration.Grant no. 1407 from the University of Łódź

2,3,7,8-Tetrachlorodibenzo-p-dioxin alters steroid secretion but does not affect cell viability and the incidence of apoptosis in porcine luteinised granulosa cells

The compound 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), a by-product of human industrial activity, was found to affect ovarian steroidogenesis in animals, but the mechanism of its action is still unclear. The aims of the study were to examine the effect of TCDD on (1) progesterone (P4) and oestradiol (E2) production by granulosa cells isolated from medium (3–6 mm) and preovulatory (≥ 8 mm) porcine follicles, (2) the viability of the cells, and (3) the incidence of apoptosis. Porcine granulosa cells were cultured (48 h) with or without TCDD (100 pM, 100 nM). Steroid hormone concentrations in the medium were determined by radioimmunoassay. The viability of granulosa cells was tested spectrophotometrically (alamarBlue™ assay). Apoptosis was evaluated by flow cytometry using Annexin V and by TUNEL assay. The higher dose of TCDD (100 nM) significantly inhibited P4 and stimulated E2 production by luteinised granulosa cells isolated from medium follicles. The lower dose of TCDD (100 pM) significantly stimulated P4 and inhibited E2 secretion by the cells isolated from preovulatory follicles. None of the two TCDD doses affected cell viability or induced apoptosis in granulosa cells. In conclusion, TCDD directly affected steroid production by granulosa cells obtained from mature pigs, but the effect of TCDD was not due to its cytotoxicity

Variability of soil fertility and crop yield on a sandy field site in western Poland under bio-dynamic management"

Variability of crop yield and soil quality was analysed before the start of a field experiment on a bio-dynmaic farm in Western Poland. The field site showed two zones of contrasting soil quality that partly correlated with crop yields. The procedure allowed to define high and low yielding zones and was suitable to design a balanced comparison trial