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Rahul Kumar Sharma,Abhishek Purohit,Venkatesan Somasundaram,Pravas Chandra Mishra,Mrinalini Kotru,Ravi Ranjan,Sunil Kumar,Sudha Sazawal,Hara Prasad Pati,Seema Tyagi,Renu Saxena 대한혈액학회 2014 Blood Research Vol.49 No.4
Background Aberrant myeloid antigen (MA) co-expression and high expression of CD34 antigen on the blasts of acute lymphoblastic leukemia (ALL) patients are independently reported to have a role in pathogenesis and prognosis. This study was conducted to determine whether these two parameters are related. Methods A total of 204 cases of ALL were included in an analysis of blast immunophenotypic data. CD34 expression was categorized as low when less than 50% of blasts were CD34-positive (CD34low) and as high when 50% or more were CD34-positive (CD34high). Results Of 204 cases of ALL, 163 and 41 were of B-cell origin (B-ALL) and T-cell origin (T-ALL), respectively. Of all cases, 132 (64.7%) showed co-expression of MA and among these, 101 (76.51%) were CD34high, while the remaining 31 (23.48%) were CD34low. Of 72 cases without MA co-expression, 25 (34.72%) were CD34high and 47 (67.25%) were CD34low. Furthermore, of 163 cases of B-ALL, 111 showed co-expression of MA and 84 of these were CD34high. Of 52 cases of B-ALL without MA expression, 22 were CD34high. Among 41 cases of T-ALL, 21 co-expressed MA, 17 of which were CD34high. Moreover, all 20 cases of T-ALL without co-expression of MA were CD34low. These differences were statistically significant. Conclusion We observed a strong correlation between aberrant MA expression and CD34high expression on the blasts of ALL. We hypothesize that these different patient subsets may represent unique prognostic characteristics.
Rahul Kumar Sharma,Abhishek Purohit,Venkatesan Somasundaram,Pravas Chandra Mishra,Mrinalini Kotru,Ravi Ranjan,Sunil Kumar,Sudha Sazawal,Hara Prasad Pati,Seema Tyagi,Renu Saxena 대한혈액학회 2014 Blood Research Vol.49 No.4
Background Aberrant myeloid antigen (MA) co-expression and high expression of CD34 antigen on the blasts of acute lymphoblastic leukemia (ALL) patients are independently reported to have a role in pathogenesis and prognosis. This study was conducted to determine whether these two parameters are related. Methods A total of 204 cases of ALL were included in an analysis of blast immunophenotypic data. CD34 expression was categorized as low when less than 50% of blasts were CD34-positive (CD34low) and as high when 50% or more were CD34-positive (CD34high). Results Of 204 cases of ALL, 163 and 41 were of B-cell origin (B-ALL) and T-cell origin (T-ALL), respectively. Of all cases, 132 (64.7%) showed co-expression of MA and among these, 101 (76.51%) were CD34high, while the remaining 31 (23.48%) were CD34low. Of 72 cases without MA co-expression, 25 (34.72%) were CD34high and 47 (67.25%) were CD34low. Furthermore, of 163 cases of B-ALL, 111 showed co-expression of MA and 84 of these were CD34high. Of 52 cases of B-ALL without MA expression, 22 were CD34high. Among 41 cases of T-ALL, 21 co-expressed MA, 17 of which were CD34high. Moreover, all 20 cases of T-ALL without co-expression of MA were CD34low. These differences were statistically significant. Conclusion We observed a strong correlation between aberrant MA expression and CD34high expression on the blasts of ALL. We hypothesize that these different patient subsets may represent unique prognostic characteristics.
Sudha G. S.,Hemjyoti Kalita,Smita Mohanty,Sanjay Kumar Nayak 한국고분자학회 2017 Macromolecular Research Vol.25 No.5
In the present study, in-situ epoxidation was employed to prepare epoxidized castor oil (ECO). Fourier transform infrared spectroscopy and proton nuclear magnetic resonance spectra analysis were used to analyze the chemical structures of ECO. Biobased epoxy blends were synthesized from diglycidyl ether of bisphenol A (DGEBA) and ECO at variable wt% using triethylenetetramine as curing agent. The thermal, mechanical and morphological behavior of blends has been investigated. The morphological study showed homogeneous mixing of the ECO and DGEBA blends. The blend prepared using 20wt% of ECO showed optimum impact and flexural strength as compared with commercially available epoxy resin. The fracture toughness parameters, critical stress intensity (KIC) and the critical strain of blends were also observed to increase as compared with the virgin matrix which revealed enhancement in toughness. The tensile property of the blend reduced with the increasing ECO content which confirmed the fact that the addition of the high amount of ECO reduces the crosslink density of the biobased epoxy.
Belbase, Narayan Prasad,Agrawal, Chandra Shekhar,Pokharel, Paras Kumar,Agrawal, Sudha,Lamsal, Madhab,Shakya, Vikal Chandra Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.5
Background: Prostate cancer features a substantial incidence and mortality burden, similarly to breast cancer, and it ranks among the top ten specific causes of death in males. Objective: To explore the situation of prostate cancer in a healthy population cohort in Eastern Nepal. Materials and Methods: This study was conducted in the Department of General Surgery at B. P. Koirala Institute of Health Sciences, Dharan, Nepal from July 2010 to June 2011. Males above 50 years visiting the Surgical Outpatient Department in BPKIHS were enrolled in the study and screening camps were organized in four Teaching District Hospitals of BPKIHS, all in Eastern Nepal. Digital rectal examination (DRE) was conducted by trained professionals after collecting blood for assessment of serum prostatic specific antigen (PSA). Trucut biopsies were performed for all individuals with abnormal PSA/DRE findings. Results: A total of 1,521 males more than 50 years of age were assessed and screened after meeting the inclusion criteria. The vast majority of individuals, 1,452 (96.2%), had PSA ${\leq}4.0$ ng/ml. Abnormal PSA (>4 ng/ml) was found in 58 (3.8%). Abnormal DRE was found in 26 (1.72%). DRE and PSA were both abnormal in 26 (1.72%) individuals. On the basis of raised PSA or abnormal DRE 58 (3.84%) individuals were subjected to digitally guided trucut biopsy. Biopsy report revealed benign prostatic hyperplasia in 47 (3.11%) and adenocarcinoma prostate in 11 (0.73%). The specificity of DRE was 66.0%with a sensitivity of 90.9% and a positive predictive value of 38.5%. The sensitivity of PSA more than 4ng/ml in detecting carcinoma prostate was 100% and the positive predictive value for serum PSA was 19.0% Conclusions: The overall cancer detection rate in this study was 0.73% and those detected were locally advanced. Larger community-based studies are highly warranted specially among high-risk groups.