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Articles by Abhimanu
Total Records ( 4 ) for Abhimanu
  N. Kataria , Abhimanu , S. Arora , A. Sharma , R. Maan , S. Soren , A.K. Kataria , N. Mohammad , P.K. Pilania , L.N. Sankhala , M.K. Thori , J.S. Gaur and A. Meena
  A study was carried out in male and female calves of Rathi breed belonging to arid tracts from India to find out status of free radical scavenging enzymes during hot ambience. Blood samples were collected during moderate and hot ambiences to harvest sera. Maximum ambient temperature ranged from 44.5-46.5°C during hot ambience. All calves were managed in similar conditions and were apparently healthy. Free radical scavenging enzymes included Superoxide Dismutase (SOD), Glutathione Reductase (GR) and Catalase (CAT). The moderate (control) mean values of serum SOD, GR and CAT were 173.00±1.43, 11.00±0.09 and 74.80±1.00 kU L-1, respectively irrespective of gender and age. Similar pattern of significant change (p≤0.05) was observed by all the three enzymes in heat stressed calves being higher during hot ambience. The mean values were 2.67, 2 and 1.41 times higher, respectively in heat stressed calves during hot ambience. The sex and age effects were significant (p≤0.05) in moderate and hot ambiences for all the three enzymes. The mean values were significantly (p≤0.05) higher in male animals than female animals. In each ambience the age effect showed a significant (p≤0.05) increase in the mean values being highest in the calves of 6 months to 1 year of age. Results clearly indicated that status of free radical enzymes changed in heat stressed calves probably to scavenge higher number of free radicals formed during hot ambience. All the three enzymes used are important biomarkers of oxidative stress. Present study provided data which can be used as reference values to assess the extent of oxidative stress. This will help in timely protection of calves from ensuing health disorders.
  A. Joshi , N. Kataria , S. Sharma , A. Sharma , S. Arora , Abhimanu , R. Maan , S. Asopa , N. Arya , S. Khan and A.K. Kataria
  Present investigation was launched to detect oxidative stress in pregnant and non-pregnant Murrah buffaloes during extreme ambiences. Serum oxidase and peroxidase profiling was used as a tool to detect oxidative stress. Blood samples of apparently healthy adult female Murrah buffaloes were collected to harvest sera during extreme hot cold and moderate ambiences. Moderate mean value of serum oxidase was 50.32±1.21 UL-1 and of serum peroxidase was 49.51±1.11 mUL-1. Extreme hot and cold ambiences resulted into a significant (p≤0.05) rise in the activities of serum oxidase and peroxidase. Animals were classified as non pregnant milch, pregnant milch and pregnant dry and activities of both the enzymes were compared. It was observed that mean values of both the enzymes in non-pregnant milch, pregnant milch and pregnant dry differed significantly (p≤0.05) from each other, respectively in all the ambiences. Non pregnant milch animals showed lowest activities whereas pregnant dry animals exhibited highest activities of both the enzymes. Multipara animals showed significantly (p≤0.05) higher activities than primipara. Serum oxidase and peroxidase are considered as important markers to assess oxidative stress. Increased activities of both the enzymes reflected the presence of oxidative stress in the buffaloes. It was concluded that extreme ambiences resulted into oxidative stress affecting the animals of all the physiological states. In each ambience the magnitude of increase was greater in pregnant dry animals. Trend was similar in all the ambiences but impact was maximum during hot ambience. Multipara animals showed greater changes than primipara. It can be stated that multipara and pregnant dry animals require proper care and supplementation of immuno-nutrients in order to protect them from the ensuing risk of oxidative stress. Further serum oxidase and peroxidase activities can be used effectively in detection of oxidative stress.
  N. Kataria , J. Bargujar , P.K. Pilania , N. Arya , T. Bhati , N. Mohammed , P. Nathawat , M. Mathur , S. Choudhary , S. Asopa , Abhimanu and A.K. Kataria
  To evaluate stress and metabolic adjustments in buffaloes with Post Parturient Haemoglobinuria (PPH), certain serum enzymes viz. Gamma-Glutamayl Transferase (GGT), Glucose-6-Phosphatase (Glc-6-Pase), aldolase, glucose-6-phosphate dehydrogenase, glutamate dehydrogenase, malate dehydrogenase, arginase and 5'nucleotidase enzymes were determined. Simultaneously haemoglobin and serum calcium, phosphorus, glucose and proteins were also determined. Blood samples were collected from adult female healthy and buffaloes with post parturient haemoglobinuria. In affected group the mean values of all the parameters were compared with respective healthy mean values. Significantly (p≤0.05) increased serum GGT activity in buffaloes with PPH indicated stress. Activities of the enzymes related to glycolysis and hexose monophosphate shunt were found to be decreased in affected animals. Activities of other enzymes like Glc-6-Pase, GDH, MDH, ARG and 5'NT were found increased significantly (p≤0.05) in the affected cases. This pattern was suggestive of metabolic adjustments where rate of glycolytic pathway decreased and rate of gluconeogenesis was observed to be increased in the affected cases. Correspondingly, serum glucose concentration of affected animals was significantly (p≤0.05) higher. Serum calcium showed non significant (p>0.05) difference whereas serum phosphorus, proteins and haemoglobin levels decreased significantly (p≤0.05) in affected cases. Decreased levels of phosphorus and disturbed calcium to phosphorus ratio suggested that phosphorous deficiency plays a key role in causing haemoglobinuria in buffaloes. Pattern of variation in the activities of the enzymes related to various metabolic processes revealed the metabolic adjustments. The data obtained in the present investigation support the concept that sustained PPH stress may represent an integrating mechanism underlying metabolic adjustments for homeostasis. Better understanding between PPH stress and metabolic homeostasis can be instrumental in the design of novel therapeutic strategies.
  A. Sharma , N. Kataria , N. Arya , M. Mathur , R. Maan , A. Joshi , Abhimanu , L.N. Sankhala , T. Bhati and A.K. Kataria
  A study was conducted to assess modulations in gluconeogenesis in Marwari goat of both sexes ageing 6 months to 4.5 years during moderate, hot and cold environmental temperature periods. Liver samples were collected to determine Phosphoenolpyruvate Carboxykinase (PEPCK), Glucose-6-Phosphatase (Glc-6-Pase), Aspartate amino Transferase (AST) and Alanine Aminotransferase (ALT) enzymes. Moderate mean values of liver tissue PEPCK, Glc-6-Pase, AST and ALT were 562.00±7.25 U g-1, 160.00±4.25 mU g-1, 3.6±0.02 U g-1 and 2.6±0.01 U g-1, respectively. The mean values were significantly (p≤0.05) higher during hot and cold environmental temperatures in comparison to moderate mean value in each case. The sex and age effects were significant (p≤0.05) in all the environmental temperatures for all the four enzymes and pattern of variation was similar. The mean values were significantly (p≤0.05) higher in female animals than male animals. Age effect showed a significant (p≤0.05) increase in the mean values being highest in the animals of 2-4.5 years of age. Variation in the activities of all the enzymes studied clearly indicated the greater effect of hot environmental temperature on the modulation of gluconeogenesis. Hot period related change was maximum in the activity of PEPCK (4.29 fold) followed by Glc-6-Pase (3.5 fold), ALT (2.92 fold) and AST (2.38 fold). PEPCK and Glc-6-Pase are important enzymes of gluconeogenesis. Enhanced activities of these two enzymes showed adaptive response to combat the stress of environmental temperature through increased glucose production.
 
 
 
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