Journal of Clinical and Diagnostic Research, ISSN - 0973 - 709X

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Dr. Rajendra Kumar Ghritlaharey

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Salient features of the JCDR: It is a biomedical, multidisciplinary (including all medical and dental specialities), e-journal, with wide scope and extensive author support. At the same time, a free text of manuscript is available in HTML and PDF format. There is fast growing authorship and readership with JCDR as this can be judged by the number of articles published in it i e; in Feb 2007 of its first issue, it contained 5 articles only, and now in its recent volume published in April 2011, it contained 67 manuscripts. This e-journal is fulfilling the commitments and objectives sincerely, (as stated by Editor-in-chief in his preface to first edition) i e; to encourage physicians through the internet, especially from the developing countries who witness a spectrum of disease and acquire a wealth of knowledge to publish their experiences to benefit the medical community in patients care. I also feel that many of us have work of substance, newer ideas, adequate clinical materials but poor in medical writing and hesitation to submit the work and need help. JCDR provides authors help in this regards.
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Thanking you
With sincere regards
Dr. Rajendra Kumar Ghritlaharey, M.S., M. Ch., FAIS
Associate Professor,
Department of Paediatric Surgery, Gandhi Medical College & Associated
Kamla Nehru & Hamidia Hospitals Bhopal, Madhya Pradesh 462 001 (India)
On May 11,2011

Dr. Shankar P.R.

"On looking back through my Gmail archives after being requested by the journal to write a short editorial about my experiences of publishing with the Journal of Clinical and Diagnostic Research (JCDR), I came across an e-mail from Dr. Hemant Jain, Editor, in March 2007, which introduced the new electronic journal. The main features of the journal which were outlined in the e-mail were extensive author support, cash rewards, the peer review process, and other salient features of the journal.
Over a span of over four years, we (I and my colleagues) have published around 25 articles in the journal. In this editorial, I plan to briefly discuss my experiences of publishing with JCDR and the strengths of the journal and to finally address the areas for improvement.
My experiences of publishing with JCDR: Overall, my experiences of publishing withJCDR have been positive. The best point about the journal is that it responds to queries from the author. This may seem to be simple and not too much to ask for, but unfortunately, many journals in the subcontinent and from many developing countries do not respond or they respond with a long delay to the queries from the authors 1. The reasons could be many, including lack of optimal secretarial and other support. Another problem with many journals is the slowness of the review process. Editorial processing and peer review can take anywhere between a year to two years with some journals. Also, some journals do not keep the contributors informed about the progress of the review process. Due to the long review process, the articles can lose their relevance and topicality. A major benefit with JCDR is the timeliness and promptness of its response. In Dr Jain's e-mail which was sent to me in 2007, before the introduction of the Pre-publishing system, he had stated that he had received my submission and that he would get back to me within seven days and he did!
Most of the manuscripts are published within 3 to 4 months of their submission if they are found to be suitable after the review process. JCDR is published bimonthly and the accepted articles were usually published in the next issue. Recently, due to the increased volume of the submissions, the review process has become slower and it ?? Section can take from 4 to 6 months for the articles to be reviewed. The journal has an extensive author support system and it has recently introduced a paid expedited review process. The journal also mentions the average time for processing the manuscript under different submission systems - regular submission and expedited review.
Strengths of the journal: The journal has an online first facility in which the accepted manuscripts may be published on the website before being included in a regular issue of the journal. This cuts down the time between their acceptance and the publication. The journal is indexed in many databases, though not in PubMed. The editorial board should now take steps to index the journal in PubMed. The journal has a system of notifying readers through e-mail when a new issue is released. Also, the articles are available in both the HTML and the PDF formats. I especially like the new and colorful page format of the journal. Also, the access statistics of the articles are available. The prepublication and the manuscript tracking system are also helpful for the authors.
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Overall, the publishing process with JCDR has been smooth, quick and relatively hassle free and I can recommend other authors to consider the journal as an outlet for their work."

Dr. P. Ravi Shankar
KIST Medical College, P.O. Box 14142, Kathmandu, Nepal.
On April 2011

Important Notice

Original article / research
Year : 2012 | Month : August | Volume : 6 | Issue : 6 | Page : 963 - 966

The Significance of the Plasma L-Selectin Levels in Cases of Acute Myeloid Leukaemia: A Case Control Study

A.R. Subhashree, B. Shanthi, C. Revathy

1. Associate Professor, Department of Pathology, 2. Associate Professor, Department of Biochemistry, 3. Post Graduate, Department of Biochemistry, Sree Balaji Medical College & Hospital, Chrompet, Chennai, Tamil nadu, India.

Correspondence Address :
Dr. A.R.Subhashree,
Associate Professor, Department of Pathology,
Sree Balaji Medical College, Chrompet,
Chennai 600 004, India.
Phone: 9840243628


Background: Acute Myeloid Leukaemia (AML) is a heterogeneous group of haematological malignancies which are characterized by malignant proliferation and the accumulation of immature myeloid progenitor cells in the bone marrow. A clinical history of myelodysplasia, the assessment of the morphology of the blast cells, cytogenetics and immunophenotyping are the important criteria which have been used in the recent WHO classification to prognosticate as well as to guide the therapy of AML. L-selectin is a cellular soluble adhesion molecule and it mediates the initial tethering of the normal leucocytes to the endothelial surface . An increase in the plasma L-selectin levels in cases of acute leukemia has been observed in many studies, but till date, this biochemical parameter has not been used as a marker in monitoring leukaemic patients. This study was conducted to compare the L-selectin levels in fresh and treated cases of AML and also with healthy controls. The assessment of the plasma L-selectin levels is expected to add more information about the disease activity and it could also serve as an adjunct to the existing immunological and genetic markers.

Aims, Settings and Design: This case control study aimed at estimating the plasma L-selectin levels in cases of acute myeloid leukaemia in comparison with those in normal healthy adults. Further, we assessed the plasma L-selectin levels during the active and the remission phases of AML.

Materials and Methods: 20 freshly diagnosed and 20 treated cases of AML were included in the study group from the Haemato Oncology Department of our institution. Forty healthy people who were the staff members of the hospital were included as the controls. The quantitation of L-selectin was done by a highly sensitive immunometric ELISA assay (Manufacturers; Bendermed systems, Vienna, Austria), by using monoclonal antibodies against L-selectin. The statistical significance was calculated by using the Bonferroni T-test and Pearson’s correlation analysis.

Results: There was a statistically significant (p=<.001) increase in the plasma L-selectin levels in the freshly diagnosed AML patients as compared to the control group. The plasma L-selectin levels in the patients who were in remission matched with that of the controls.

Conclusions: Plasma L-selectin may be used as a marker of the disease activity in AML patients. It may also be used to assess the remission status of these patients.

Abbreviations: AML=Acute Myeloid Leukaemia


AML, Plasma L-selectin, Prognostic marker, Remission

How to cite this article :

A.R. Subhashree, B. Shanthi, C. Revathy. THE SIGNIFICANCE OF THE PLASMA L-SELECTIN LEVELS IN CASES OF ACUTE MYELOID LEUKAEMIA: A CASE CONTROL STUDY. Journal of Clinical and Diagnostic Research [serial online] 2012 August [cited: 2018 Oct 21 ]; 6:963-966. Available from

Acute myeloid leukaemia is a group of haematological malignancies which predominantly involve the adult population. Despite intense therapies in the form of radiation and chemotherapy, relapses are common. A history of myelodysplastic syndromes or genotoxic therapy, age at diagnosis, the morphological features of the blast cells and cytogenetic aberrations are the accepted prognostic factors of AML (1), (2), (3) (4). The significance of the plasma L-selectin levels as a biochemical marker for acute leukaemias has been reported since long (5). L-selectin is an adhesion molecule which is expressed in normal leucocytes as well as in leukaemic cells, which helps in the initiation of the leucocyte attachment to the activated endothelium (6),(7).

Its proteolytic shedding facilitates the detachment of laeukocytes from the endothelial cells as they migrate through the endothelial layers. An increase in the shed L-selectin levels in leukaemic patients has been observed in a few studies (3),(8) and its significance as a prognostic marker has been observed (9), but till date, this biochemical parameter has not been used as a marker for monitoring leukaemic patients. In our study, we attempted to quantitate the levels of plasma L-selectin in fresh and treated cases of AML in comparison with healthy normal controls, to understand the importance of this biochemical marker in the follow up of AML patients.

Material and Methods

20 freshly diagnosed cases of acute myeloid leukaemia, 20 cases of AML who had undergone treatment with two to three cycles of chemotherapy and were clinically remitted and 40 healthy controls were included in the study, based on the inclusion and exclusion criteria.

Exclusion criteria:
• Acute infection or inflammation • Diabetes mellitus • Connective tissue disorders • Post-operative deep vein thrombosis

Inclusion criteria:
Group A (Fresh cases of AML) The 20 patients who were selected were of the age group of 18-60 years and they were diagnosed as the cases of AML, based on the following criteria (10): • Complete blood count, differential count • Peripheral smear study and cytochemistry • Bone marrow aspiration cytology • Cytogenetics • Immunophenotyping Among these, 50% were women.

Group B (Treated cases of AML)
20 patients (different set of cases from Group A) who had undergone treatment with two to three cycles of chemotherapy with Cytarabine + Daunorubicin (7+3 regimen) and were clinically remitted11 were included. The clinical remission was assessed by using the following criteria (11): • Normalization of the neutrophil counts (at least 1.5 X 109/L). • Platelet counts of more than 100 X 109/L. • Marrow aspirates that demonstrated at least 20% cellularity and less than 5% blasts with no Auer Rods. • Absence of extra medullary leukaemia. They were of the age group of 18-60 years. Among these, 50% were women.

Group C (Control)
40 age and sex matched healthy people were selected as the controls. The controls were chosen from among the staff of Sree Balaji Medical College. A written consent was obtained from each subject. Ethical clearance and an approval to conduct the study were obtained from our institutional human ethical committee. The plasma samples (in EDTA) and the serum samples were collected. A complete haemogram, liver function tests, renal function tests and serum uric acid tests were performed. As bone marrow aspiration was already done for all the fresh cases of AML, it was not repeated for the Group A cases, though the procedure was done for all the treated cases (Group B). The quantitation of L-selectin in the plasma samples was done by a highly sensitive immunometric ELISA assay (Manufacturers; Bendermed systems, Vienna, Austria) by using monoclonal antibodies (murine) against L-selectin.


The plasma L-selectin levels ranged from 963 ng/ml to 2500 ng/ml in the freshly diagnosed AML patients, from 98 ng/dl to 683 ng/ml in the treated cases of AML which were under remission and from 110 ng/ml to 423 ng/ml in the healthy controls. (Table/Fig 1) gives the mean levels and the standard deviation of various parameters in the 3 groups and (Table/Fig 2) gives the statistical significance p(<.001) which was obtained from the comparison.

The significance of the differences in the values of the parameters among the Groups I, II and III was evaluated by using the Bonferroni T-test. The Pearson’s correlation analysis was employed to find out the correlations between the L-selectin levels and the bone marrow blast percentage (Table/Fig 3). (Table/Fig 4) and (Table/Fig 5) show the increasing levels of L-selectin from the controls to the treated cases to the fresh cases of AML. (Table/Fig 2)shows the statistical correlation of the plasma L selectin values among the three groups. The fresh cases of AML (Group A) showed a statistically significant increase in the plasma L-selectin levels as compared to those in the treated cases (GroupB) and in the control group (Group C), (p =000). There was no significant change in the values between the Groups B and C.

(Table/Fig 6) demonstrates that only the freshly diagnosed cases of AML showed an elevation in the blast cell count in the marrow. There was no significant overlap in the marrow blast cell count between the fresh and the treated cases. This could be reasoned by the fact that the patients in the treated category had undergone a clinical remission. There was a statistically significant correlation between the percentage blasts in the marrow and the L-selectin levels, as was noted in the Pearson’s correlation analysis (Table/Fig 3). (Table/Fig 4)highlights that there was no gender based difference in the levels of plasma L-selectin in the leukaemic patients.


Under normal conditions, L-selectin plays an important role in inflammation by mediating leucocyte rolling along the activated endothelium (12). It also increases the recruitment of leucocytes into the tissues by mediating leucocyte rolling on the already adherent leucocytes (13). Soon after the endothelial adhesion, this receptor gets shed from the white cell surface due to a proteolytic cleavage and it circulates in the plasma. In acute leukaemias, it is observed that there is an increase is the shedding of L-selectin, which probably inhibits the binding of leukaemic cells to the vascular endothelium, thereby influencing the migration of the leukaemic blast cells. The shed L-selectin probably would protect the leukaemic cells from cell death by immune surveillance, by either interfering with the lymphocyte homing or by inhibiting the cytotoxic lymphocytes to interact with the blast cells (3). On the other hand, the over expression of L-selectin in the leulaemic cells might help these cells in attaching to the vascular endothelium, leading to transmigration and organ infiltration (2).

The present study observed an increase in the plasma L-selectin levels in fresh cases of AML as compared to those in those who were treated. A statistically significant correlation was observed965between the blast percentage in the marrow and the L-selectin levels in the fresh and treated patients. These findings added value to the aim of our study, of establishing L-selectin as a biochemical marker for the disease activity in AML. The findings of the study which was done by Exterman et al., (3). were in agreement with our findings. The observed values of L-selectin and its correlative findings in comparison with the percentage blasts, were in concordance with the findings which were observed by Spertinii O, and Callegari P et al., (8).


Our study emphasized the fact that plasma L-selectin was a marker for the disease activity in AML patients. It can be used as an indicative marker for the remission status of the patient. An important challenge in the management of AML is to distinguish the patients with a high risk of relapse, who may benefit from high dose chemotherapy, followed by BMT, from those cases in which such treatments can be delayed. Though cytogenetic aberrations can affect the prognosis of such cases in a greater way, it can be suggested that L-selectin can still be used as a marker for serially monitoring the disease activity and as a prognostic marker of AML in future.

FUTURE PERSPECTIVES AND RECOMMENDATIONS: A comparative study of the plasma L-selectin levels can be done with immuno phenotyping and cyto genetic analysis to ascertain whether L-selectin could be an adjunct to the other prognostic markers. The serial monitoring of the plasma L-selectin values in fresh cases of AML during the course of the treatment and following up their remission may also give therapeutic suggestions and options.


The authors are grateful to Professor B.O. Parijatham, Head of the Department of Pathology, for her valuable guidance in the accomplishment of this study.


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ID: JCDR/2012/4636:2317


Date of Submission: Jun 04, 2012
Date of Peer Review: Jun 18, 2012
Date of Acceptance: Jul 05, 2012
Date of Publishing: Aug 10, 2012

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