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Borah P, Dayal N, Pathak S, Naithani R. Daratumumab-a novel treatment strategy in relapsed/refractory acute leukemia. Ann Hematol 2023; 102:3291-3293. [PMID: 37558803 DOI: 10.1007/s00277-023-05404-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 08/04/2023] [Indexed: 08/11/2023]
Affiliation(s)
- Pronamee Borah
- Department of Hematology and Bone Marrow Transplant, Paras Health, Gurugram, 122002, India
| | - Nitin Dayal
- Department of Lab Medicine, Max Superspecialty Hospital, Delhi, India
| | - Sangeeta Pathak
- Department of Transfusion Medicine, Max Superspecialty Hospital, Delhi, India
| | - Rahul Naithani
- Department of Hematology and Bone Marrow Transplant, Paras Health, Gurugram, 122002, India.
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Dutta M, Kadirvel G, Borah P, Sinha S, Ahmed K, Hazarika G, Sharma R, Choudhury H, Deori S, Das Gupta M, Biswas RK, Tamuly S, Barua PM, Hussain J. Effect of membrane stabilizers on semen quality and sperm membrane protein expression during cryopreservation of goat semen. Cryo Letters 2023; 44:299-306. [PMID: 38032310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
BACKGROUND Semen cryopreservation is a complex process during which there is alteration in the expression of sperm and seminal plasma proteins, molecular weight of protein or loss of membrane proteins during the process. In order to compensate for these changes, different membrane stabilizers are used in freezing semen extenders. However, there is scarcity of such studies during cryopreservation of goat semen. OBJECTIVE To investigate the effect of membrane stabilizers on sperm membrane protein expression during cryopreservation of goat semen. MATERIALS AND METHODS A total of 36 semen ejaculates from nine Assam Hill Goat bucks aged 2 to 2.5 years was collected by artificial vagina method. Three membrane stabilizers, each at two different concentrations viz. 50 and 80 mM sucrose, 50 and 100 mM trehalose, and 100 and 150 ng per mL IGF-1 (insulin-like growth factor 1 protein) were added to Tris-citric acid fructose egg yolk glycerol (TCFEYG) extender and semen samples were cryopreserved. The sperm membrane protein profile was studied in fresh and cryopreserved semen by SDS-PAGE. RESULTS SDS- PAGE of sperm membrane extract of fresh semen revealed the presence of 24 protein bands with molecular weights ranging from 10 kDa to 240 kDa. Samples supplemented with 50 mM sucrose and 80 mM sucrose revealed 21 protein bands with molecular weights ranging from 10 kDa to 240 kDa. All the 21 protein bands were same as those observed in the sperm membrane of fresh spermatozoa, except that the 23 kDa, 29 kDa and 42 kDa bands were absent in frozen semen. Similarly, frozen semen extended with 50 mM trehalose and 100 mM trehalose revealed 22 protein bands with molecular weights ranging from 10 kDa to 240 kDa, but lacking the 29 kDa and 42 kDa bands. Proteins with molecular weights of 29 kDa, 130 kDa and 240 kDa were absent in frozen semen supplemented with 100 ng per mL IGF-1 and 150 ng per mL IGF-1. CONCLUSION The present study revealed that supplementation of tris basic extender with trehalose at 100 mM and or IGF-1 at 100 ng/mL or 150 ng per mL improves the post-thaw semen characteristics and protects certain fertility related sperm membrane proteins. Doi.org/10.54680/fr23510110612.
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Affiliation(s)
- M Dutta
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | - G Kadirvel
- ICAR Research Complex for NEH Region, Umiam, Meghalaya, India
| | - P Borah
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | - S Sinha
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | - K Ahmed
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | - G Hazarika
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | - R Sharma
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | | | - S Deori
- ICAR Research Complex for NEH Region, Umiam, Meghalaya, India.
| | - M Das Gupta
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | - R K Biswas
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | - S Tamuly
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | - P M Barua
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | - J Hussain
- College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
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Borah P, Dayal N, Pathak S, Naithani R. Short-course Venetoclax With Standard Chemotherapy Is Effective in Early T-cell Precursor Acute Lymphoblastic Leukemia. J Pediatr Hematol Oncol 2023; 45:271-274. [PMID: 37027330 DOI: 10.1097/mph.0000000000002672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 03/09/2023] [Indexed: 04/08/2023]
Abstract
BACKGROUND Early T-cell precursor acute lymphoblastic leukemia (ETP ALL) is a high-risk subgroup of acute lymphoblastic leukemia characterized by unique immune phenotype and disease biology. ETP ALL cells share similarities with hematopoietic stem cells and myeloid progenitor cells. These patients have lower rates of complete remission and overall survival. High BCL2 expression is the main rationale for using venetoclax in ETP ALL. RESULTS We report the treatment outcomes of 2 patients with ETP ALL who achieved minimal residual disease negative remission with the short course of venetoclax. CONCLUSIONS Combination therapy of short-course venetoclax with Berlin-Frankfurt-Meunster 95 regimen is an effective regimen for treating patients with ETP ALL.
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Affiliation(s)
| | | | - Sangeeta Pathak
- Transfusion Medicine, Max Superspeciality Hospital, Delhi, India
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4
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Borah P, Dinah N, Dayal N, Pathak S, Naithani R. Daratumumab-induced minimal residual disease negative remission in CD38 (dim)-positive pediatric acute myeloid leukemia. Pediatr Blood Cancer 2023:e30347. [PMID: 37017217 DOI: 10.1002/pbc.30347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 04/06/2023]
Affiliation(s)
- Pronamee Borah
- Hematology and Bone Marrow Transplant Division, Max Superspecialty Hospital, Delhi, India
| | - Ng Dinah
- Hematology and Bone Marrow Transplant Division, Max Superspecialty Hospital, Delhi, India
| | - Nitin Dayal
- Department of Lab Medicine, Max Superspecialty Hospital, Delhi, India
| | - Sangeeta Pathak
- Department of Transfusion Medicine, Max Superspecialty Hospital, Delhi, India
| | - Rahul Naithani
- Hematology and Bone Marrow Transplant Division, Max Superspecialty Hospital, Delhi, India
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Hussain M, Ahmed K, Begum SS, Kalita MK, Borah P, Bhuyan D, Tamuly S, Medhi D, Paul V, Chakravartya P, Sarkar M. 70 Effect of seasons and additives in Arunachali yak bull semen at different stages of processing and freezing along with fresh semen characteristics. Reprod Fertil Dev 2022. [DOI: 10.1071/rdv35n2ab70] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Borah P, Bora J, Haque A, Borpuzari R, Hazarika S, Konwar P. Effect of housing system on carcass characteristics of crossbred (Hampshire x Assam local) pigs. JLivestSci 2022. [DOI: 10.33259/jlivestsci.2022.208-212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Baruti M, Deka B, Tamuly S, Bhuyan M, Borah P, Das G, Deka N, Deka R, Biswas R, Sinha S. Seasonal effect on seminal constituents of swamp buffalo ( Bubalus carabanesis) in the foot hill of Eastern Himalaya. BIOL RHYTHM RES 2021. [DOI: 10.1080/09291016.2019.1621065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- M. Baruti
- Department of Animal Reproduction, Gynecology & Obstetrics, Assam Agricultural University, Guwahati, India
| | - B.C. Deka
- Department of Animal Reproduction, Gynecology & Obstetrics, Assam Agricultural University, Guwahati, India
| | - S. Tamuly
- Department of Veterinary Biochemistry, Assam Agricultural University, Guwahati, India
| | - M. Bhuyan
- Department of Animal Reproduction, Gynecology & Obstetrics, Assam Agricultural University, Guwahati, India
| | - P. Borah
- Department of Animal Biotechnology, Assam Agricultural University, Guwahati, India
| | - G.C. Das
- Principal Investigator, Network Project on Performance Recording & Improvement of Swamp Buffalo College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - N. Deka
- Department of Animal Reproduction, Gynecology & Obstetrics, Assam Agricultural University, Guwahati, India
| | - R. Deka
- Department of Animal Reproduction, Gynecology & Obstetrics, Assam Agricultural University, Guwahati, India
| | - R.K. Biswas
- Department of Animal Reproduction, Gynecology & Obstetrics, Assam Agricultural University, Guwahati, India
| | - S. Sinha
- Department of Animal Reproduction, Gynecology & Obstetrics, Assam Agricultural University, Guwahati, India
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Jeyaraman P, Agrawal N, Bhargava R, Bansal D, Ahmed R, Bhurani D, Bansal S, Rastogi N, Borah P, Naithani R. Convalescent plasma therapy for severe Covid-19 in patients with hematological malignancies. Transfus Apher Sci 2021; 60:103075. [PMID: 33574010 PMCID: PMC7857080 DOI: 10.1016/j.transci.2021.103075] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/27/2021] [Accepted: 02/01/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Data on convalescent plasma therapy (CPT) in patients of hematological malignancies with severe Covid-19 is scarce. OBJECTIVE To study 14-day mortality in patients who received CPT. PATIENTS & METHODS Retrospective multicentre observational study conducted in 4 centres treating haematological malignancies across Delhi-national capital region. Total 33 haematological malignancies patients with severe Covid-19 who received CPT were analysed. RESULTS The median age of the study cohort was 62 years (18-80 years). Twenty one percent patients had 1 comorbidity, 18 % had 2 comorbidities and 6% patients had 3 and 5 comorbidities each. Twenty four patients were on active therapy. Sixty nine percent of patients required ICU stay. Twenty five patients received plasma therapy within 7 days (early) of diagnosis of Covid-19 infection. Median day of plasma infusion from date of diagnosis of Covid-19 infection was 4 days (range: 2-25 days). Patient who had early initiation of plasma therapy had shorter duration of hospitalisation (12.7 vs 24.3 days, p = 0.000). Overall mortality in the cohort was 45.5%. There was no effect of disease status, active therapy, presence of comorbidity on mortality. There was no difference in the mortality in patients receiving early vs late initiation of plasma therapy or in patients receiving one versus two plasma therapy. CONCLUSIONS We provide a large series of patients with hematological malignancies and role of CPT in this group.
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Affiliation(s)
- Preethi Jeyaraman
- Department of Hematology& Bone Marrow Transplantation, Max Superspecialty Hospital, Saket, New Delhi, 110017, India
| | | | | | | | - Rayaz Ahmed
- Rajiv Gandhi Cancer Institute, New Delhi, India
| | | | | | | | - Pronamee Borah
- Department of Hematology& Bone Marrow Transplantation, Max Superspecialty Hospital, Saket, New Delhi, 110017, India
| | - Rahul Naithani
- Department of Hematology& Bone Marrow Transplantation, Max Superspecialty Hospital, Saket, New Delhi, 110017, India.
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Hussain M, Ahmed K, Chakravarty P, Paul V, Deka BC, Begum SS, Bhuyan D, Borah P, Tamuly S, Medhi D, Barua PM. 148 Superovulation and embryo production response in oestrus-synchronized Arunachali yak. Reprod Fertil Dev 2021. [DOI: 10.1071/rdv33n2ab148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The Arunachali breed of yak is reared by the Monpa pastoral community of Arunachal Pradesh in India for their livelihood and nutritional security on highland pastures. In addition to fulfilling the basic needs of highlanders, this animal is associated with poor production potential linked to its inherent reproductive problems, including silent oestrus, seasonality, and inbreeding, making yak rearing a less-profitable venture. In the recent past, efforts have been made to improve reproductive efficiency of Arunachali yak through assisted reproductive techniques. However, a few regimens for superovulation have been tried to date with limited success in terms of superovulatory response and embryo recovery. Therefore, the present study was undertaken to evaluate the efficacy of two different doses and regimes of superovulation: Stimufol (400 and 200µg per animal) and Folligon (1500 and 1000IU per animal) in Arunachali yak. Twenty-four yaks were allotted in 4 groups (of 6 animals each) and subjected to respective superovulation treatment. Thereafter, the treatment response was assessed in terms of expression of oestrus, interval between treatment and oestrus onset, duration of oestrous, number of corpora lutea and embryos recovered, and analysed using two-way statistical analysis between treatment groups. The results (Table 1) showed a significant (P<0.01) variation in onset of oestrus after the treatment, whereas other responses did not differ among the groups. Further, the recovered embryos were categorized as excellent, good, fair, and poor according to cell size, shape, texture, and number of vesicles present in the blastomeres; 58.33, 20.83, 8.33, and 12.5% embryos in these categories were recovered, respectively. The overall embryo recovery rate was 30.77%, ranging from 10.53 to 52.38% in different treatment groups. The numbers of embryos recorded were less than the numbers of CL present, showing the possibility of non-availability of all ovulated oocytes for fertilization in the oviduct due to untrapping by the fimbriae. The effectiveness of treatments depended upon the precision of oestrus detection and the time of ovulation. In our study, the variation in onset of oestrus might be associated with poor expression of behavioural oestrus in the treated animals. Based on the present findings, we conclude that all the treatments are effective in superovulation and embryo recovery. However, the use of Folligon at 1500IU seemed to be comparatively more effective in Arunachali yak.
Table 1.
Mean (n=6) average of treatment responses in yak following different superovulatory treatment
Variable
Treatment
Stimufol
Folligon
400 µg/animal
200 µg/animal
1500 IU/animal
1000 IU/animal
Oestrus response (%)
100
100
100
100
Interval between treatment and oestrus onset (h)
17.67±0.56a
20.83±0.79b
21.17±0.79bc
23.67±1.43c
Duration of oestrous (h)
30.33±1.09
28.50±0.99
31.50±1.50
28.83±1.25
Corpora lutea (n)
2.83±1.22
3.50±1.18
3.50±0.67
3.17±0.87
Embryo recovered (n)
0.83±0.83
1.00±0.81
1.83±0.98
0.33±0.21
Recovery rate (%)
29.41
28.57
52.38
10.53
a–cMeans within a row with different superscripts differ P<0.05.
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Borah P, Mirgh S, Sharma SK, Bansal S, Dixit A, Dolai TK, Lunkad S, Gupta N, Singh G, Jain A, Bansal D, Choudhary D, Khandelwal V, Doval D, Kumar M, Bhargava R, Chakrabarti A, Kalashetty M, Rauthan A, Kazi B, Mandal PK, Jeyaraman P, Naithani R. Effect of age, comorbidity and remission status on outcome of COVID-19 in patients with hematological malignancies. Blood Cells Mol Dis 2020; 87:102525. [PMID: 33338697 PMCID: PMC7723067 DOI: 10.1016/j.bcmd.2020.102525] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 11/24/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND There is scarcity of data on outcome of COVID-19 in patients with hematological malignancies. Primary objective of study was to analyse the 14-day and 28-day mortality. Secondary objectives were to correlate age, comorbidities and remission status with outcome. METHODS Retrospective multicentre observational study conducted in 11 centres across India. Total 130 patients with hematological malignancies and COVID-19 were enrolled. RESULTS Fever and cough were commonest presentation. Eleven percent patients were incidentally detected. Median age of our cohort was 49.5 years. Most of our patients had a lymphoid malignancy (n = 91). One-half patients (52%) had mild infection, while moderate and severe infections contributed to one-fourth each. Sixty seven patients (52%) needed oxygen For treatment of COVID-19 infection, half(n = 66) received antivirals. Median time to RT-PCR COVID-19 negativity was 17 days (7-49 days). Nearly three-fourth (n = 95) of our patients were on anticancer treatment at time of infection, of which nearly two-third (n = 59;64%) had a delay in chemotherapy. Overall, 20% (n = 26) patients succumbed. 14-day survival and 28-day survival for whole cohort was 85.4% and 80%, respectively. One patient succumbed outside the study period on day 39. Importantly, death rate at 1 month was 50% and 60% in relapse/refractory and severe disease cohorts, respectively. Elderly patients(age ≥ 60) (p = 0.009), and severe COVID-19 infection (p = 0.000) had a poor 14-day survival. The 28-day survival was significantly better for patients in remission (p = 0.04), non-severe infection (p = 0.00), and age < 60 years (p = 0.05). CONCLUSIONS Elderly patients with hematological malignancy and severe covid-19 have worst outcomes specially when disease is not in remission.
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Affiliation(s)
| | | | | | | | | | | | | | - Naveen Gupta
- Mahatma Gandhi Medical College and Hospital, Jaipur, India
| | - Gurmeet Singh
- Jawahar Lal Nehru Hospital & Research Centre, Bhilai, India
| | | | | | | | | | - Divya Doval
- BLK Superspeciality Hospital, New Delhi, India
| | - Meet Kumar
- Fortis Memorial Hospital, Gurugram, India
| | | | | | | | | | - Bilal Kazi
- NRS Medical College and Hospital, Kolkata, India
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Jeyaraman P, Borah P, Rajput P, Dayal N, Pathak S, Naithani R. Daratumumab for pure red cell aplasia post ABO incompatible allogeneic hematopoietic stem cell transplant for aplastic anemia. Blood Cells Mol Dis 2020; 88:102464. [PMID: 32653327 DOI: 10.1016/j.bcmd.2020.102464] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 06/30/2020] [Accepted: 06/30/2020] [Indexed: 11/30/2022]
Abstract
Pure red cell aplasia is a known complication after ABO incompatible stem cell transplant. Due to rarity of disease, no established treatment guidelines are available for PRCA. Daratumumab is a monoclonal antibody against CD38 expressed by plasma cells. In this report we present our experience of successfully managing a patient of post-transplant PRCA with daratumumab. Our patient had failed multiple lines of therapy prior to receiving daratumumab. Response was seen after the 3rd weekly dose of daratumumab.
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Affiliation(s)
- Preethi Jeyaraman
- Division of Hematology and Bone Marrow Transplant, Max Super-speciality Hospital, India.
| | - Pronamee Borah
- Division of Hematology and Bone Marrow Transplant, Max Super-speciality Hospital, India
| | - Priyanka Rajput
- Division of Hematology and Bone Marrow Transplant, Max Super-speciality Hospital, India
| | - Nitin Dayal
- Department of Lab Medicine, Max Super-speciality Hospital, India
| | - Sangeeta Pathak
- Department of Transfusion Medicine, Max Super-speciality Hospital, India
| | - Rahul Naithani
- Division of Hematology and Bone Marrow Transplant, Max Super-speciality Hospital, India
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Dewry RK, Deka BC, Biswas RK, Bhuyan D, Borah P, Mahanta N, Kurmi D. Effect of Butylated Hydroxy Toluene and Vitamin E on the Cryosurvivability of Buck Semen. Cryo Letters 2020; 41:68-74. [PMID: 33988656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
BACKGROUND The quality of frozen semen can be improved by supplementing Tris extender with antioxidant to prevent oxidation and maintain sperm motility. OBJECTIVE To study the effects of adding combinations of suitable concentrations of butylated hydroxy toluene (BHT) and Vitamin E in Tris extender on the quality of frozen goat semen. MATERIALS AND METHODS A total of 40 ejaculates collected from five Beetal bucks were used to study the effect on the quality of frozen semen of supplementing Tris extender with 200 µM BHT, 2 mM Vitamin E and 200 µM BHT + 2 mM Vitamin E. RESULTS The sperm motility, live sperm, live intact acrosome and HOST-reacted sperm differed significantly (P<0.01) between stages and between antioxidants. There was no significant difference (P<0.05) in interaction between stages (equilibration, freezing) and antioxidants, except for HOST-reacted sperm. Critical difference test revealed that Tris extender containing 2 mM vitamin E showed significantly (P<0.05) higher sperm motility, live sperm, live intact acrosome and HOST-reacted sperm, and significantly (P<0.05) lower release of alanine transaminase (ALT) and aspartate transaminase (AST). CONCLUSION Supplementation of Tris extender with 2 mM vitamin E maintained superior quality of frozen Beetal buck semen.
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Affiliation(s)
- R Kr Dewry
- ICAR-National Dairy Research Institute, Karnal, Haryana, India.
| | - B C Deka
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, India
| | - R K Biswas
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, India
| | - D Bhuyan
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, India
| | - P Borah
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, India
| | - N Mahanta
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, India
| | - D Kurmi
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, India
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Jeyaraman P, Borah P, Dayal N, Pathak S, Naithani R. Adequate Engraftment With Lower Hematopoietic Stem Cell Dose. Clin Lymphoma Myeloma Leuk 2020; 20:260-263. [PMID: 32019732 DOI: 10.1016/j.clml.2019.12.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 12/29/2019] [Accepted: 12/31/2019] [Indexed: 12/28/2022]
Abstract
BACKGROUND Adequate hematopoietic stem cell dose is required to proceed with autologous stem cell transplantation (ASCT). PATIENTS AND METHODS We conducted a retrospective analysis of 108 patients with multiple myeloma and lymphoma who underwent ASCT with noncryopreserved stem cells at our center. Data were compared for patients who received stem cell dose < 2 × 106/kg with those who received a higher dose. RESULTS The median CD34 dose collected in the lesser dose group was 1.76 × 106/kg (1.22 to 1.97 × 106/kg). Mean CD34 dose of the whole group was 4.96 ± 4.2 × 106/kg. Neutrophil engraftment was similar in both groups (12 vs. 11 days) (P = .065). Similarly, platelet engraftment occurred in 12 versus 11 days in both groups (P = .017). Length of hospital stay was similar in both groups. There was no significant difference in the incidence of proven bacterial infections between the 2 groups. There was no transplant-related mortality in lower dose group. CONCLUSION ASCT can be safely performed with lower hematopoietic stem cell dose in noncryopreserved setting.
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Affiliation(s)
- Preethi Jeyaraman
- Division of Hematology and Bone Marrow Transplantation, Max Super-specialty Hospital, Saket, New Delhi, India
| | - Pronamee Borah
- Division of Hematology and Bone Marrow Transplantation, Max Super-specialty Hospital, Saket, New Delhi, India
| | - Nitin Dayal
- Department of Lab Medicine, Max Super-specialty Hospital, Saket, New Delhi, India
| | - Sangeeta Pathak
- Department of Transfusion Medicine, Max Super-specialty Hospital, Saket, New Delhi, India
| | - Rahul Naithani
- Division of Hematology and Bone Marrow Transplantation, Max Super-specialty Hospital, Saket, New Delhi, India.
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14
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Bulbul KH, Das M, Islam S, Sarmah P, Tamuly S, Borah P, Hussain J, Barkalita L. Influence of temperature on survivability, growth, sexual maturity and fecundity of the Indoplanorbis exustus and its associated schistosomes in Assam, India. BIOL RHYTHM RES 2020. [DOI: 10.1080/09291016.2020.1718935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- K. H Bulbul
- Division of Veterinary Parasitology, Fvsc & Ah, Skuast, Kashmir, India
| | - M. Das
- Department of Veterinary Parasitology, CVSc, AAU, Khanapara, India
| | - S. Islam
- Department of Veterinary Parasitology, CVSc, AAU, Khanapara, India
| | - P.C. Sarmah
- Department of Veterinary Parasitology, CVSc, AAU, Khanapara, India
| | - S. Tamuly
- Department of Veterinary Biochemistry, Cvsc, Aau, Khanapara, India
| | - P. Borah
- Department of Animal Biotechnology, CVSc, AAU, Khanapara, India
| | - J. Hussain
- Department of LPM, CVSc, AAU, Khanapara, India
| | - L.M. Barkalita
- Department of Animal Biotechnology, CVSc, AAU, Khanapara, India
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Jha SK, Borah P, Jeyaraman P, Jain A, Kumar D, Bal J, Naithani R. All That Lights-Up is not Lymphoma. Indian J Hematol Blood Transfus 2020; 36:213-214. [DOI: 10.1007/s12288-019-01185-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 09/05/2019] [Indexed: 11/24/2022] Open
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Bulbul KH, Das M, Islam S, Sarmah PC, Tamuly S, Borah P, Roy K. Molecular epidemiology of visceral schistosomosis caused by Schistosoma spindale infection in cattle of Assam, India. BIOL RHYTHM RES 2019. [DOI: 10.1080/09291016.2019.1616902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- K. H. Bulbul
- Division of Veterinary Parasitology, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Srinagar, India
| | - M. Das
- Department of Veterinary Parasitology, College of Veterinary Science, Assam Agricultural University, Khanapara,Assam, India
| | - S. Islam
- Department of Veterinary Parasitology, College of Veterinary Science, Assam Agricultural University, Khanapara,Assam, India
| | - P. C. Sarmah
- Department of Veterinary Parasitology, College of Veterinary Science, Assam Agricultural University, Khanapara,Assam, India
| | - S. Tamuly
- Department of Veterinary Biochemistry, College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India
| | - P. Borah
- Department of Animal Biotechnology, College of Veterinary Science, Assam Agricultural University, Khanapara, India
| | - K. Roy
- Department of Veterinary Parasitology, College of Veterinary Science, Assam Agricultural University, Khanapara,Assam, India
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Chakraborty AK, Karam A, Mukherjee P, Barkalita L, Borah P, Das S, Sanjukta R, Puro K, Ghatak S, Shakuntala I, Sharma I, Laha RG, Sen A. Detection of classical swine fever virus E2 gene in cattle serum samples from cattle herds of Meghalaya. Virusdisease 2018; 29:89-95. [PMID: 29607364 DOI: 10.1007/s13337-018-0433-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 01/20/2018] [Indexed: 10/18/2022] Open
Abstract
The present study focused on the detection and genetic characterisation of 5' untranslated region (5'UTR) and E2 gene of classical swine fever virus (CSFV, family Flaviviridae, genus Pestivirus) from bovine population of the northeastern region of India. A total of 134 cattle serum samples were collected from organised cattle farms and were screened for CSFV antigen with a commercial antigen capture enzyme linked immunosorbent assay (Ag-ELISA) and reverse transcription-polymerase chain reaction (RT-PCR). A total of 10 samples were positive for CSFV antigen by ELISA, while all of them were positive in PCR for 5'UTR region. Full length E2 region of CSFV were successfully amplified from two positive samples and used for subsequent phylogenetic analysis and determination of protein 3D structure which showed similarity with reported CSFV isolate from Assam of sub-genogroup 2.1, with minor variations in protein structure.
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Affiliation(s)
- A K Chakraborty
- Division of Animal Health, ICAR RC for NEH Region, Umiam, Meghalaya India.,2Department of Microbiology, Assam University, Silchar, Assam India
| | - A Karam
- Division of Animal Health, ICAR RC for NEH Region, Umiam, Meghalaya India
| | - P Mukherjee
- Division of Animal Health, ICAR RC for NEH Region, Umiam, Meghalaya India.,2Department of Microbiology, Assam University, Silchar, Assam India
| | - L Barkalita
- Department of Biotechnology, C.V.Sc, AAU, Khanapara, Assam India
| | - P Borah
- Department of Biotechnology, C.V.Sc, AAU, Khanapara, Assam India
| | - S Das
- Division of Animal Health, ICAR RC for NEH Region, Umiam, Meghalaya India
| | - R Sanjukta
- Division of Animal Health, ICAR RC for NEH Region, Umiam, Meghalaya India
| | - K Puro
- Division of Animal Health, ICAR RC for NEH Region, Umiam, Meghalaya India
| | - S Ghatak
- Division of Animal Health, ICAR RC for NEH Region, Umiam, Meghalaya India
| | - I Shakuntala
- Division of Animal Health, ICAR RC for NEH Region, Umiam, Meghalaya India
| | - I Sharma
- 2Department of Microbiology, Assam University, Silchar, Assam India
| | - R G Laha
- Division of Animal Health, ICAR RC for NEH Region, Umiam, Meghalaya India
| | - A Sen
- Division of Animal Health, ICAR RC for NEH Region, Umiam, Meghalaya India
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Das B, Sharma RK, Borah P, Das S, Barkalita LM, Mandakini Devi RK, Baishya BC. Molecular Characterization and Toxin-Typing of <i>Clostridium difficile</i> Isolates of Dogs and Pigs from Assam and Mizoram of North East India. CURR SCI INDIA 2017. [DOI: 10.18520/cs/v113/i06/1099-1106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Bora K, Pathak MS, Borah P, Hussain MI, Das D. Association of the Apolipoprotein A-I Gene Polymorphisms with Cardiovascular Disease Risk Factors and Atherogenic Indices in Patients from Assam, Northeast India. Balkan J Med Genet 2017; 20:59-70. [PMID: 28924542 PMCID: PMC5596823 DOI: 10.1515/bjmg-2017-0002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Cardiovascular disease (CVD) risk factors, and particularly decreased high density lipoprotein cholesterol (HDL-C) dyslipidemia are prevalent in Assam, India. This study was undertaken to investigate whether Apolipoprotein A-I (APOA1) gene polymorphisms (G-75A and C+83T) were associated with i) the risk for decreased HDL-C, and ii) other CVD risk factors, viz. serum lipids, atherogenic indices, obesity, and blood pressure (BP). A total of 649 subjects were screened, from which 200 eligible individuals, classified as case group with decreased HDL-C levels (100 subjects) and control group with normal HDL-C levels (100 subjects) were enrolled and genotyped using polymersase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and DNA sequencing. Lipid fractions [HDL-C, total cholesterol (TC), low density lipoprotein cholesterol (LDL-C), very low density lipoprotein cholesterol (VLDL-C), triglycerides (TG)] and atherogenic indices [Castelli's Risk Indices-I and -II (CRI-I and -II), non-HDL-C fraction, atherogenic index of plasma (AIP), atherogenic coefficient (AC)] were estimated. The G-75A and C+83T loci were not associated with decreased HDL-C risk. This was confirmed across different genetic models (dominant, recessive, additive and allelic). Association was also absent with BP and obesity. However, the G-75A locus was associated with LDL-C, whereas the C+83T locus was associated with TG and VLDL-C. Furthermore, these sites had effects on atherogenic indices. The rare A allele at the G-75A locus was associated with adverse CRI-I, CRI-II, non-HDL-C and AC values, while the major C allele at the C+83T locus was associated with adverse AIP values. Thus, the pro-atherogenic G-75A polymorphism and the anti-atherogenic C+83T polymorphism represent important genetic loci that modulate CVD risk factors in subjects from Assam.
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Affiliation(s)
- K Bora
- Regional Medical Research Centre, Northeast Region, Indian Council of Medical Research, Dibrugarh-786001, Assam, India.,Department of Biochemistry, Gauhati Medical College and Hospital, Guwahati-781022, Assam, India
| | - M S Pathak
- Department of Biochemistry, Gauhati Medical College and Hospital, Guwahati-781022, Assam, India
| | - P Borah
- State Biotech Hub (Assam) and Department of Animal Biotechnology, College of Veterinary Science, Guwahati-781022, Assam, India
| | - Md I Hussain
- State Biotech Hub (Assam) and Department of Animal Biotechnology, College of Veterinary Science, Guwahati-781022, Assam, India
| | - D Das
- Regional Nursing College, Guwahati-781032, Assam, India
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Ahmed JA, Nashiruddullah N, Dutta D, Biswas RK, Borah P. Cumulus cell expansion and ultrastructural changes in in vitro matured bovine oocytes under heat stress. Iran J Vet Res 2017; 18:203-207. [PMID: 29163650 PMCID: PMC5674444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 01/30/2017] [Accepted: 03/04/2017] [Indexed: 06/07/2023]
Abstract
Cumulus-oocyte complexes (COCs) from cows were matured under normal (38.5°C) and elevated temperatures (41°C) simulating heat stress and their maturation was assessed based on measurement of cumulus expansion in both groups. There was a significant reduction (P<0.01) in maturation rate in the heat stressed oocytes. The ultrastructural events associated with in vitro oocyte maturation and changes associated with elevated temperature were also studied by transmission electron microscopy (TEM). Normal maturation cellular events were marked by migration of Golgi and mitochondria from the cortical regions, and conversely by a migration of cortical granules from the inner regions to a sub-perivitelline zone. Heat stressed oocytes (41°C) were not only marked by a reduction in rate and less cumulus cell expansion, but also by a reduction in cortical granule migration. The mitochondria appeared swollen with cristolysis. Ribosomal disruption and an abundance of free ribosomes were also seen. Changes in the cumulus cells include nuclear chromatin margination, condensation and karyolysis, formation of nuclear and cell membrane blebs, and typical membrane bound vesicles enclosing cell fragments indistinguishable from apoptosis. Evidently, heat stress can be associated with reduced cytoplasmic events of oocyte maturation, thereby decreasing the oocyte competence and can be associated with apoptosis of the cumulus cells and therefore compromise the survival of the oocyte itself.
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Affiliation(s)
- J. A. Ahmed
- Division of Veterinary Physiology and Biochemistry, Faculty of Veterinary Sciences & Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences & Technology-Jammu, RS Pura-181102, Jammu & Kashmir, India
| | - N. Nashiruddullah
- Division of Veterinary Pathology, Faculty of Veterinary Sciences & Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences & Technology-Jammu, RS Pura-181102, Jammu & Kashmir, India
| | - D. Dutta
- Department of Veterinary Physiology, College of Veterinary Science, Assam Agricultural University, Guwahati-781022, Assam, India
| | - R. K. Biswas
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Guwahati-781022, Assam, India
| | - P. Borah
- State Biotech Hub, College of Veterinary Science, Assam Agricultural University, Guwahati-781022, Assam, India
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Hussain I, Borah P, Sharma R, Rajkhowa S, Rupnik M, Saikia D, Hasin D, Hussain I, Deka N, Barkalita L, Nishikawa Y, Ramamurthy T. Molecular characteristics of Clostridium difficile isolates from human and animals in the North Eastern region of India. Mol Cell Probes 2016; 30:306-311. [DOI: 10.1016/j.mcp.2016.08.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Revised: 08/18/2016] [Accepted: 08/25/2016] [Indexed: 11/15/2022]
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Bora K, Borah P, Jitani AK. Letter to the Editors - Exploring platelet indices as disease biomarkers: prospective use and methodological challenges. Eur Rev Med Pharmacol Sci 2016; 20:3957-3958. [PMID: 27775807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Affiliation(s)
- K Bora
- North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Department of Biochemistry, Shillong, Meghalaya, India.
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Bora K, Jitani AK, Raphael V, Ruram AA, Borah P, Khonglah Y. Association between lipid profile and platelet indices: the importance of considering the influence of lipid profile while evaluating the clinical utility of platelet indices. Int J Lab Hematol 2016; 38:e80-3. [DOI: 10.1111/ijlh.12511] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- K. Bora
- North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences; Shillong India
| | - A. K. Jitani
- North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences; Shillong India
| | - V. Raphael
- North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences; Shillong India
| | - A. A. Ruram
- North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences; Shillong India
| | - P. Borah
- State Biotech Hub (SBT Hub) and Bioinformatics Infrastructure Facility (BIF); College of Veterinary Science; Guwahati India
| | - Y. Khonglah
- North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences; Shillong India
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Neher S, Hazarika AK, Barkalita LM, Borah P, Bora DP, Sharma RK. Isolation and characterization of Shiga toxigenic Escherichia coli of animal and bird origin by multiplex polymerase chain reaction. Vet World 2016; 9:123-7. [PMID: 27051196 PMCID: PMC4819360 DOI: 10.14202/vetworld.2016.123-127] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 12/17/2015] [Accepted: 12/21/2015] [Indexed: 11/16/2022] Open
Abstract
AIM The purpose of this study was to determine the virulence genes and serotype of Shiga toxin producing Escherichia coli (STEC) strains isolated from animals and birds. MATERIALS AND METHODS A total of 226 different samples viz., fecal, intestinal content, rectal swab and heart blood were collected from different clinically affected/healthy animals and birds and were streaked on McConkeys' lactose agar and eosin methylene blue agar for isolation of E. coli, confirmed by staining characteristics and biochemical tests. By polymerase chain reaction (PCR) all the E. coli isolates were screened for certain virulence genes, viz., Shiga toxin 1 (stx1), stx2 and eae and enterohemolytic (Ehly) phenotype was observed in washed sheep blood agar plate. All the isolated E. coli strains were forwarded to the National Salmonella and Escherichia Centre, Central Research Institute, Kasauli (Himachal Pradesh) for serotyping. RESULTS Out of 226 samples 138 yielded E. coli. All the isolates were screened for molecular detection of different virulent genes, viz. stx1, stx2 and eae, based on which 36 (26.08%) were identified as STEC. Among those STEC isolates, 15 (41.67%), 14 (38.89%), 1 (2.78%) exhibited eae, stx2, stx1 alone, respectively, whereas 4 (11.11%) and 2 (5.56%) carried both stx1 and stx2, stx2 and eae, respectively. Among the STEC isolates 22 were belonged to 15 different sero-groups, viz., O2, O20, O22, O25, O43, O60, O69, O90, O91, O95, O106, O118, O130, O162 and O170 and others were untypable. Ehly phenotype was observed in 10 (27.78%) the STEC isolates. CONCLUSION The present study concluded that STEC could be isolated from both clinically affected as well as healthy animals and birds. Regular monitoring of more samples from animal and bird origin is important to identify natural reservoir of STEC to prevent zoonotic infection.
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Affiliation(s)
- S. Neher
- Department of Veterinary Microbiology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, India
| | - A. K. Hazarika
- Department of Veterinary Microbiology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, India
| | - L. M. Barkalita
- Department of Animal Biotechnology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, India
| | - P. Borah
- Department of Animal Biotechnology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, India
| | - D. P. Bora
- Department of Veterinary Microbiology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, India
| | - R. K. Sharma
- Department of Veterinary Microbiology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, India
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Hussain I, Sharma R, Borah P, Rajkhowa S, Hussain I, Barkalita L, Hasin D, Choudhury M, Rupnik M, Deka N, Saikia G. Isolation and characterization of Clostridium difficile from pet dogs in Assam, India. Anaerobe 2015; 36:9-13. [DOI: 10.1016/j.anaerobe.2015.09.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Revised: 09/07/2015] [Accepted: 09/17/2015] [Indexed: 11/25/2022]
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Abstract
Adrenocortcal carcinoma is an extremely uncommon entity with an incidence of two in one millionth population. Here we present a 60 year gentleman with pain in abdomen, nausea, and backache, and weight loss. Contrast enhanced computed tomography (CECT) abdomen revealed a heterogenous well defined mass measuring (15 × 10.3 × 13) cm(3) on the left suprarenal region with central necrosis which extended medially up to the midline. Locally, the growth infiltrated the upper pole of left kidney. Initially, the differential diagnosis included that of renal cell carcinoma arising from upper pole of left kidney involving adrenal gland. The patient underwent left radical nephrectomy and left adrenalectomy. Histological evaluation could not differentiate it from of malignant pheochromocytoma, but immunohistochemistry confirmed it as adrenocortical carcinoma. This case highlights the crucial role of immunohistochemistry in establishing the diagnosis like tumors.
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Affiliation(s)
- G. Gogoi
- Department of Pathology, Assam Medical College and Hospital, Dibrugarh, India
| | - Manash P Baruah
- Consultant Endocrinologist, Excel Center, Ulubari, Guwahati, India
| | - P. Borah
- Department of Radiology and Assam Medical College and Hospital, Dibrugarh, Assam, India
| | - M. Borgohain
- Department of Pathology, Assam Medical College and Hospital, Dibrugarh, India
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Rahman MS, Sharma RK, Borah P, Chakraborty A, Devi MRK, Longjam N. Characterization of Clostridium perfringens isolated from mammals and birds from Guwahati city, India. J Venom Anim Toxins Incl Trop Dis 2012. [DOI: 10.1590/s1678-91992012000100010] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
| | - RK Sharma
- Assam Agricultural University, India
| | - P Borah
- Assam Agricultural University, India
| | | | | | - N Longjam
- Assam Agricultural University, India
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Barman NN, Deb R, Ramamurthy T, Sharma RK, Borah P, Wani SA, Kalita D. Molecular characterization of shiga like toxin-producing Escherichia coli (STEC) isolates from pigs oedema. Indian J Med Res 2008; 127:602-606. [PMID: 18765880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023] Open
Abstract
BACKGROUND & OBJECTIVE An oedema outbreak occurred in a Guwahati pig farm. Escherichia coli isolates from different necropsy samples collected from the dead piglets with oedema were characterized to confirm the virulence. METHODS Haemolytic E. coli isolates recovered from liver, lung and intestine of pigs with oedema were examined for presence of genes encoding pathogroups such as enteropathogenic Escherichia coli (EPEC), (eae/bfpA), enteroaggregative Escherichia coli (EAggEC), (eagg), enterotoxigive Escherichia coil (ETEC), (elt/est) and shiga like toxin producing Escherichia coli (STEC), (stx1/ stx2) by PCR and molecular typing by randomly amplified polymorphic DNA-PCR (RAPD-PCR). RESULTS The three haemolytic E. coli recovered from diseased pigs were STEC because of presence of the stx2 and eae genes. Analysis by RAPD-PCR indicated that two of the three isolates were genetically related. INTERPRETATION & CONCLUSION The isolation of STEC isolates from pigs with oedema was shown. Although the three isolates were untypable, presence of eae and stx2 genes clearly indicated these as prime cause of pig oedema disease. Further, demonstration of STEC in pigs becomes a public health concern, as pigs are potential reservoir of such agents, which may cause human illness.
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Affiliation(s)
- N N Barman
- Department of Microbiology, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, India.
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