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  Access statistics : Table of Contents
   1996| January  | Volume 39 | Issue 1  
    Online since October 12, 2009

 
 
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Sequential study of IgG antibody response in immunized rabbit and development of immunization protocol for raising monospecific antibody.
C Chande, Y S Thakar, S Pande, A G Dhanvijay, A V Shrikhande, A M Saoji
January 1996, 39(1):27-32
PMID:8755128
The present study was planned to develop an immunization protocol to decide the bleeding modalities for harvesting anti IgG antibody from the immunized rabbit. A fourteen dose immunization protocol (four primary and ten boosters) of the purified human IgG spread over the one calendar year was executed. The antibody titre estimated by Reverse Single Radial Immunodiffusion displayed a six-phased pattern. The titre following the initial immunization ranged between nil to 1.02, characteristic of the primary response while the titres after 7th and 8th boosters (phase V) ranged between 0.5 to 3.87 consistent with secondary response. Phase II, III, IV had moderately elevated titres. The antibody titre amongst the six phases reached to its peak generally by the 12th day after the last dose of protocol and it took about 60 days to reach to its basal level. Administration of antigen with the higher levels of residual antibody did not produce high titre antibody and is probably ascribed to elimination of antigen through an immunecomplex mechanism. Based on the data we recommend that 15 batches. (3 per phase, phase I to phase V) with a total yield of 100 to 120 ml of serum can be procured from one immunised animal over the span of one calendar year and that should make the programme cost effective.
[ABSTRACT]   Full text not available  [PDF]  [PubMed]
  565 71 -
Role of immunophenotyping in characterisation of blast crisis of chronic myeloid leukemia--a study of 25 cases.
V Padmanabhan, N Varma, S Dash, S Varma
January 1996, 39(1):13-7
PMID:8755126
The blast cell populations of 25 patients of chronic myeloid leukemia in blast crisis (CML-BC) were studied for morphological, cytochemical and immunophenotypic features. The patients were divided into 6 broad groups based upon the pattern of surface marker positivity-myeloblastic, mixed myeloblastic, megakaryoblastic, mixed lineage, lymphoid and undifferentiated blast crisis. Myeloperoxidase (MPO), Sudan Black B (SBB) and Chloroacetate esterase (CAE) stains showed 100% specificity for the myelomonocytic lineage but the sensitivity was low. Periodic acid Schiff (PAS) stain was neither specific nor sensitive for the lymphoid lineage. Immunophenotyping as compared to morphologic and cytochemical assessment, was seen to be most useful for assigning a lineage to leukemic cells in CML-BC.
[ABSTRACT]   Full text not available  [PDF]  [PubMed]
  530 98 -
Prognostic evaluation of cell mediated immunity in leprosy and correlation with clinicopathological status of leprosy patients.
M Aziz, A Malik, S M Abbas, S Vasenwala, A Kalam
January 1996, 39(1):5-12
PMID:8755125
Cell mediated immunity was studied in 50 patients of leprosy and 15 control volunteers, by estimation of peripheral blood lymphocytes (PBL), total rosette forming cells (TRFC) and active rosette forming cell (ARFC) counts in vitro. PBL, TRFC and ARFC counts were slightly but not significantly increased in patients of tuberculoid leprosy (TT) and muculoanaesthetic variant of tuberculoid leprosy as compared to control group. However, gradual decrease in T-cell subsets, occurred in borderline tuberculoid leprosy (BT) as compared to tuberculoid type (TT)-(p < 0.05). Significant decrease in lymphocytes and T-cell subsets was observed in midborderline leprosy (BB), (p < 0.01):borderline lepromatous leprosy (BL), (p < 0.001) and lepromatous subpolar and polar types (LL); (p < 0.001) as compared to control group. Mycobacterium leprae (M.leprae) were positive in BT-(20%); BB-(72.7%); BL-(83.2%) and LL-(100%). Delayed hypersensitivity reactions (DHR) revealed significantly increased lepromin positivity in TT (83.3%) and BT (80%) which decreased in BB (63.6%) and BL (50%). Lepromin test showed anergic state in LL group (28.5% positivity). Dinitrochlorobenzene (DNCB) skin test showed 100% positivity in TT group and controls while gradual significant decrease was observed from BT (p < 0.05) to LL scale (p < 0.001). Leprosy spectrum of Ridley and Jopling scale is directly co-related with inherent cell mediated immune status of the patients which has a significant prognostic role in treatment and long term management.
[ABSTRACT]   Full text not available  [PDF]  [PubMed]
  516 97 -
Incidence of anaerobic bacterial infection following transurethral instrumentation.
N K Mohanty, B B Jolly
January 1996, 39(1):33-6
PMID:8755129
Total 300 patients undergoing transurethral instrumentation had their urine culture for aerobic and anaerobic organism pre-operatively and post-operatively. An increase in the incidence of anaerobic urinary tract infection from 2% pre-operatively to 14% post-operatively following transurethral instrumentation was documented. It was concluded that transurethral instrumentation increases the incidence of anaerobic urinary tract infection and patients having symptoms of urinary tract infection following such procedures with sterile urine for aerobic bacteria should be studied and treated appropriately for anaerobic urinary tract infection.
[ABSTRACT]   Full text not available  [PDF]  [PubMed]
  552 49 -
HLA class-I and class-II antigen association in rheumatoid arthritis at Varanasi, India.
V Agrawal, R M Gupta, Usha, S V Sharma
January 1996, 39(1):19-25
PMID:8755127
Clinical presentation of rheumatoid arthritis (RA) and its severity differs in different races. Genetic factors play a significant role in its predeliction. The present study was undertaken to find out association of HLA class I and class II antigens with rheumatoid arthritis prevalent in Asian Indians residing at Varanasi. Ninety rheumatoid arthritis patients strictly fulfilling American Rheumatism Association criteria were screened for prevalent HLA class I and class II antigen by Terasaki Microlympho-cytotoxicity test. Results were compared with 100 healthy controls and 35 Seronegative Spondyloarthritides cases (SSA). Rheumatoid arthritis patients showed increased frequency of HLA-A2 and B40 antigens compared to healthy controls (p < .001). SSA patients showed significantly increased Phenotype frequency (PF) of HLA-B27 (p < .0001) and B40 (p < .001). Significant detection of HLA-A2 exclusively in RA patients suggests a more positive association of A2 in rheumatoid arthritis at Varanasi. HLA-B40 could not be attributed absolute significance of association with SSA or RA as it showed increased frequency in both diseases.
[ABSTRACT]   Full text not available  [PDF]  [PubMed]
  487 85 -
Pigmented dermatofibrosarcoma protuberans (Bednar tumour).
V B Kulkarni, A S Vyas, S V Bhatambrekar, G A Pandit, K S Bhople
January 1996, 39(1):37-9
PMID:8755130
Full text not available  [PDF]  [PubMed]
  266 78 -
Nonprostatic prostate-specific antigen.
V H Talib, S K Khurana, S K Verma
January 1996, 39(1):1-3
PMID:8755124
Full text not available  [PDF]  [PubMed]
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