Coronary artery disease (CAD) has become the most common cause of mortality in the entire world.

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Oxidative stress is one of the common causes in etiopathogenesis of attention deficit hyperactivity disorder (ADHD). Hence, the salivary levels of protein thiols, ceruloplasmin, magnesium and pseudocholinesterase were estimated in children with ADHD. The symptoms of ADHD were identified using Conner's rating and DSM IV criteria. Saliva was collected and assessed for the levels of protein thiols, ceruloplasmin, magnesium and pseudocholinesterase, spectrophotometrically. It was also checked for pH and the flow rate was noted down. There was a significant increase (P < 0.001) in the salivary protein thiols and pseudocholinesterase levels in ADHD children when compared to controls. Ceruloplasmin levels did not show any significant change. Magnesium levels were significantly decreased (P < 0.001) in cases when compared to controls. Further, a receiver operating characteristic curve for validity of the biochemical parameters in saliva of ADHD children indicated a sensitivity and specificity above 90% for protein thiols and magnesium values. Our study shows that protein thiols, magnesium, and pseudocholinesterase might have a role in the pathogenesis of ADHD and saliva can be effectively used as a non-invasive tool for evaluation of such children.

Non-Hodgkin's lymphoma constitutes a group of disorders originating from the malignant transformation of lymphocytes and involving either the lymph nodes or extranodal sites. NHL commonly presents in the sixth to seventh decade of life with a male preponderance (50-75 %). Recent studies have shown importance of serum LDH in prognosis of NHL. Authors report a case of a 63 year old male presenting with complaints of fever and backache for past 4 months. General and systemic examination revealed bilateral axillary lymphadenopathy and splenomegaly respectively. Serum LDH level was highly elevated (3441 U/l). Excisional axillary and bone marrow biopsy were done before oncology referral. Complete workup revealed diffuse Non-Hodgkin's lymphoma with bone marrow infiltration. Patient died because of acute renal failure due to NHL and DM 2 (Type 2 diabetes mellitus).

Background: Oxidative damage by free radicals has been implicated in kidney injury, especially in nephrotic syndrome (NS). Such a stress would influence the response of nephrotic children to therapy. Methods: The present study enrolled children with NS in active disease state and in remission and 50 healthy volunteers. Plasma protein thiol levels and ferric-reducing/antioxidant power were estimated spectrophotometrically in controls and in patients. Serum protein and albumin as well as urine protein were also estimated. Results: There was a significant decrease in plasma protein thiol levels in children with active disease when compared to controls as well as to subjects in remission. Ferric-reducing/antioxidant power values were significantly increased in NS and remained high in remission when compared to controls. Serum total protein and albumin were significantly decreased in nephrotics compared to controls. Further, a prospective study between the relapse and remission groups indicated a significant increase in plasma protein thiols in remission when compared to relapse exhibiting a positive response to treatment. Conclusion: A considerable alteration in the antioxidant status in NS indicates the pro-oxidant milieu existing in this condition which may have implications in the response to treatment of these patients.

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