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Goyal S, Chatterjee V, Kulkarni VM, Bhat V. Plant regeneration through somatic embryogenesis in cell suspensions of Cenchrus ciliaris L. Plant Methods 2023; 19:110. [PMID: 37853411 PMCID: PMC10585800 DOI: 10.1186/s13007-023-01081-3] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 09/25/2023] [Indexed: 10/20/2023]
Abstract
BACKGROUND This study aims to establish cell suspension culture, its maintenance and induction of somatic embryogenesis, and in vitro plant regeneration in Cenchrus ciliaris L. Suspension cultures are relatively homogenous cell lines facilitating uniform access to nutrition. These are ideal sources of competent cells for genetic transformation. RESULTS Callus was initiated by culturing immature inflorescences of Cenchrus ciliaris cv. IGFRI-3108 on Murashige and Skoog (MS) medium containing 3 mg l-1 2,4-dichlorophenoxyacetic acid (2,4-D) and 0.5 mg l-1 6-benzylaminopurine (BAP) with 30 g l-1 sucrose. Cell suspension cultures were established in liquid MS medium using an inoculum size of 10 g l-1. These were maintained to achieve embryogenic cell/regeneration competent cultures. Growth curve analysis and a subculture interval of 20 days were determined to harvest cells at the end of the exponential phase. The cell doubling time was found to be 11 days. Somatic embryogenesis was accomplished in MS medium containing 1 mg l-1 2,4-D, 1 mg l-1 BAP along with growth adjuvants, 300 mg l-1 casein hydrolysate, 400 mg l-1 glutamine and 300 mg l-1 proline. The highest number (16 ± 3.78/per inoculum) of shoots regenerated on this medium. The elongation and rooting of shoots were recorded on basal MS and ½ MS media, respectively. Rooted plants were successfully transferred to pots containing a Soilrite and cocopeat mixture in a 3:1 proportion for 3-4 weeks and later successfully acclimatized in the greenhouse with a 60% survival rate. The genetic fidelity of 12 regenerated plants was analysed using RAPD primers that were genetically identical to the mother plant. CONCLUSION Cell suspension culture-based in vitro plant regeneration of C. ciliaris involved the establishment, maintenance and progression of somatic embryogenesis during shoot and root development. The inherent limitation of callus-mediated in vitro plant regeneration reducing the regeneration potential due to the aging of the calli has been overcome.
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Affiliation(s)
- Shipra Goyal
- Plant Developmental Biology, Department of Botany, University of Delhi, Delhi, 110007, India
| | - Vijaya Chatterjee
- Department of Biotechnology, St. Aloysius College, Jabalpur, 482001, India
| | - Vishvas M Kulkarni
- Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, Mumbai, 400085, India.
| | - Vishnu Bhat
- Plant Developmental Biology, Department of Botany, University of Delhi, Delhi, 110007, India.
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Vijayan S, Kyalakond H, Kulkarni MS, Aroor MN, Shetty S, Bhat V, Rao SK. Clinical outcome of anterior cruciate ligament reconstruction with modified transtibial and anteromedial portal. Musculoskelet Surg 2023; 107:37-45. [PMID: 34389922 PMCID: PMC10020253 DOI: 10.1007/s12306-021-00727-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 08/04/2021] [Indexed: 10/20/2022]
Abstract
Arthroscopic ACL reconstruction is the current standard care of treatment for anterior cruciate ligament (ACL) injuries. Modified transtibial (mTT) and anteromedial portal (AMP) techniques aim at the anatomical placement of femoral tunnel. Controversy existed in the literature with regard to the outcome of these techniques. Hence, we designed a retrospective comparative study to analyse the clinical and functional outcomes of mTT and AMP techniques. We hypothesized that there would be no difference between the clinical and functional outcomes in mTT and AMP techniques. This retrospective observational study was conducted in consecutive patients who underwent arthroscopic ACL reconstruction using semitendinosus-gracilis (STG) quadrupled graft in our tertiary care centre with a minimum follow-up of two years. Out of 69 patients, 37 had undergone ACL reconstruction by mTT technique and remaining by AMP technique. All the patients were assessed clinically by anterior drawer, Lachman's, pivot shift and single-legged hop test. Lysholm Knee Scoring Scale and International Knee Documentation Committee (IKDC) subjective knee evaluation score were used for the functional status. Knee instability was assessed objectively by KT-1000 arthrometer. There was no statistically significant difference in baseline demographic characteristics between mTT and AMP groups. At the end of 2 years, no statistically significant difference was noted in the anterior drawer and Lachman's test. Though not significant, IKDC scores and Lysholm's scores showed a better outcome in the AMP group when compared to the mTT group. AMP group showed significantly better outcome with KT-1000 arthrometer. Based on the results obtained, we presume that overall both mTT and AMP have similar functional outcome. However, as AMP technique offers significantly improved subjective rotational stability on pivot shift test, better hop limb symmetry index and KT 1000 readings compared to mTT, we suggest AMP over mTT.
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Affiliation(s)
- S. Vijayan
- grid.465547.10000 0004 1765 924XDepartment of Orthopedics, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka 576104 India
| | - H. Kyalakond
- grid.496653.b0000 0004 1805 6782Department of Orthopedics, BVVS S Nijalingappa Medical College and HSK Hospital and Research Centre, Navanagar, Bagalkot, Karnataka 587103 India
| | - M. S. Kulkarni
- grid.465547.10000 0004 1765 924XDepartment of Orthopedics, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka 576104 India
| | - M. N. Aroor
- grid.465547.10000 0004 1765 924XDepartment of Orthopedics, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka 576104 India
| | - S. Shetty
- grid.465547.10000 0004 1765 924XDepartment of Orthopedics, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka 576104 India
| | - V. Bhat
- grid.411639.80000 0001 0571 5193Department of Physiotherapy, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka 576104 India
| | - S. K. Rao
- grid.465547.10000 0004 1765 924XDepartment of Orthopedics, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka 576104 India
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Kademani SP, Nelaturi P, Bhat V, Sagar S, Sambandam R. Potential biomarkers of chronic kidney disease progression among kidney-derived proteins; a review. J Renal Inj Prev 2023. [DOI: 10.34172/jrip.2023.32040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
Abstract
The incidence and mortality rate of kidney disease and its progression to end-stage disease have predominantly increased worldwide. Other morbid conditions, such as diabetes and hypertension, are major risk factors for kidney disease. Detection of kidney disease is difficult due to its heterogeneity and complex pathophysiology. Kidney injury and advanced stages of the disease are currently assessed by traditional biomarkers such as serum creatinine, albuminuria, proteinuria and estimated glomerular filtration rate. Numerous biomarkers derived from the kidney involved in endothelial dysfunction, inflammatory processes and tubular cell damage are potential targets for disease progression management. The review summarized potential biomarkers of chronic kidney disease (CKD) to improve patient care in various clinical practices with an increased focus on loss of kidney function.
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Affiliation(s)
- Sangeetha Prabhu Kademani
- Multi-Disciplinary Centre for Biomedical Research, Aarupadai Veedu Medical College and Hospital, Vinayaka Mission’s Research Foundation (Deemed to be University), Puducherry, India
| | - Prabhudas Nelaturi
- Multi-Disciplinary Centre for Biomedical Research, Aarupadai Veedu Medical College and Hospital, Vinayaka Mission’s Research Foundation (Deemed to be University), Puducherry, India
| | - Vishnu Bhat
- Director - Medical Research, Professor of Pediatrics and Neonatology, Aarupadai Veedu Medical College and Hospital, Vinayaka Mission’s Research Foundation (Deemed to be University), Puducherry, India
| | - Sathya Sagar
- Division of Nephrology, Department of General Medicine, Aarupadai Veedu Medical College and Hospital, Vinayaka Mission’s Research Foundation (Deemed to be University), Puducherry, India
| | - Ravikumar Sambandam
- Multi-Disciplinary Centre for Biomedical Research, Aarupadai Veedu Medical College and Hospital, Vinayaka Mission’s Research Foundation (Deemed to be University), Puducherry, India
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Rajarajeswari N, Kurien M, Kumar S, Jacob J, Arthy RG, Bhat V. Bilateral Puffy Orbits in a toddler: Therapeutic Challenges. Indian J Otolaryngol Head Neck Surg 2022; 74:4549-4551. [PMID: 36742782 PMCID: PMC9895624 DOI: 10.1007/s12070-021-02579-9] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 04/17/2021] [Indexed: 02/07/2023] Open
Abstract
We report a rare case of bilateral paediatric sinus related orbital infection (SROI) in a toddler who initially presented with unilateral lid oedema, worsening bilaterally in spite of parenteral antibiotics requiring multiple surgical interventions. Challenges in management of life threatening intracranial sequelae of SROIs including visual loss are discussed.
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Affiliation(s)
- N Rajarajeswari
- Department of ENT, Pondicherry Institute of Medical Sciences, Pondicherry, India
| | - Mary Kurien
- Department of ENT, Pondicherry Institute of Medical Sciences, Pondicherry, India
| | - Sithananda Kumar
- Department of ENT, Pondicherry Institute of Medical Sciences, Pondicherry, India
| | - Jaise Jacob
- Department of ENT, Pondicherry Institute of Medical Sciences, Pondicherry, India
| | - RG Arthy
- Department of ENT, Pondicherry Institute of Medical Sciences, Pondicherry, India
| | - Vishnu Bhat
- Department of Paediatrics, Aarupadai Veedu Medical College, Vinayaka Mission Research Foundations, Pondicherry, India
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Rajpal VR, Rathore P, Mehta S, Wadhwa N, Yadav P, Berry E, Goel S, Bhat V, Raina SN. Epigenetic variation: A major player in facilitating plant fitness under changing environmental conditions. Front Cell Dev Biol 2022; 10:1020958. [PMID: 36340045 PMCID: PMC9628676 DOI: 10.3389/fcell.2022.1020958] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 09/21/2022] [Indexed: 11/13/2022] Open
Abstract
Recent research in plant epigenetics has increased our understanding of how epigenetic variability can contribute to adaptive phenotypic plasticity in natural populations. Studies show that environmental changes induce epigenetic switches either independently or in complementation with the genetic variation. Although most of the induced epigenetic variability gets reset between generations and is short-lived, some variation becomes transgenerational and results in heritable phenotypic traits. The short-term epigenetic responses provide the first tier of transient plasticity required for local adaptations while transgenerational epigenetic changes contribute to stress memory and help the plants respond better to recurring or long-term stresses. These transgenerational epigenetic variations translate into an additional tier of diversity which results in stable epialleles. In recent years, studies have been conducted on epigenetic variation in natural populations related to various biological processes, ecological factors, communities, and habitats. With the advent of advanced NGS-based technologies, epigenetic studies targeting plants in diverse environments have increased manifold to enhance our understanding of epigenetic responses to environmental stimuli in facilitating plant fitness. Taking all points together in a frame, the present review is a compilation of present-day knowledge and understanding of the role of epigenetics and its fitness benefits in diverse ecological systems in natural populations.
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Affiliation(s)
- Vijay Rani Rajpal
- Department of Botany, Hansraj College, University of Delhi, Delhi, India
- *Correspondence: Vijay Rani Rajpal, , ; Shailendra Goel, ; Vishnu Bhat, ; Soom Nath Raina,
| | | | - Sahil Mehta
- School of Agricultural Sciences, K.R. Mangalam University, Gurugram, Haryana, India
| | - Nikita Wadhwa
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, New Delhi, India
| | | | - Eapsa Berry
- Maharishi Kanad Bhawan, Delhi School of Climate Change and Sustainability, University of Delhi, Delhi, India
| | - Shailendra Goel
- Department of Botany, University of Delhi, Delhi, India
- *Correspondence: Vijay Rani Rajpal, , ; Shailendra Goel, ; Vishnu Bhat, ; Soom Nath Raina,
| | - Vishnu Bhat
- Department of Botany, University of Delhi, Delhi, India
- *Correspondence: Vijay Rani Rajpal, , ; Shailendra Goel, ; Vishnu Bhat, ; Soom Nath Raina,
| | - Soom Nath Raina
- Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, India
- *Correspondence: Vijay Rani Rajpal, , ; Shailendra Goel, ; Vishnu Bhat, ; Soom Nath Raina,
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6
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Rathore P, Schwarzacher T, Heslop-Harrison JS, Bhat V, Tomaszewska P. The repetitive DNA sequence landscape and DNA methylation in chromosomes of an apomictic tropical forage grass, Cenchrus ciliaris. Front Plant Sci 2022; 13:952968. [PMID: 36186069 PMCID: PMC9521199 DOI: 10.3389/fpls.2022.952968] [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] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 08/08/2022] [Indexed: 06/16/2023]
Abstract
Cenchrus ciliaris is an apomictic, allotetraploid pasture grass widely distributed in the tropical and subtropical regions of Africa and Asia. In this study, we aimed to investigate the genomic organization and characterize some of the repetitive DNA sequences in this species. Due to the apomictic propagation, various aneuploid genotypes are found, and here, we analyzed a 2n = 4x + 3 = 39 accession. The physical mapping of Ty1-copia and Ty3-gypsy retroelements through fluorescence in situ hybridization with a global assessment of 5-methylcytosine DNA methylation through immunostaining revealed the genome-wide distribution pattern of retroelements and their association with DNA methylation. Approximately one-third of Ty1-copia sites overlapped or spanned centromeric DAPI-positive heterochromatin, while the centromeric regions and arms of some chromosomes were labeled with Ty3-gypsy. Most of the retroelement sites overlapped with 5-methylcytosine signals, except for some Ty3-gypsy on the arms of chromosomes, which did not overlap with anti-5-mC signals. Universal retrotransposon probes did not distinguish genomes of C. ciliaris showing signals in pericentromeric regions of all 39 chromosomes, unlike highly abundant repetitive DNA motifs found in survey genome sequences of C. ciliaris using graph-based clustering. The probes developed from RepeatExplorer clusters gave strong in situ hybridization signals, mostly in pericentromeric regions of about half of the chromosomes, and we suggested that they differentiate the two ancestral genomes in the allotetraploid C. ciliaris, likely having different repeat sequence variants amplified before the genomes came together in the tetraploid.
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Affiliation(s)
- Priyanka Rathore
- Department of Botany, Faculty of Science, University of Delhi, New Delhi, India
- Department of Genetics and Genome Biology, University of Leicester, Leicester, United Kingdom
| | - Trude Schwarzacher
- Department of Genetics and Genome Biology, University of Leicester, Leicester, United Kingdom
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, Guangzhou, China
- Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - J. S. Heslop-Harrison
- Department of Genetics and Genome Biology, University of Leicester, Leicester, United Kingdom
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, Guangzhou, China
- Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Vishnu Bhat
- Department of Botany, Faculty of Science, University of Delhi, New Delhi, India
| | - Paulina Tomaszewska
- Department of Genetics and Genome Biology, University of Leicester, Leicester, United Kingdom
- Department of Genetics and Cell Physiology, Faculty of Biological Sciences, University of Wrocław, Wrocław, Poland
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7
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Chavan P, Bhat V, Ojha S, Poojary M, Sharma N. M167 Establishing biological reference ranges for select biochemical parameters in adult Indian population. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.049] [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: 11/16/2022]
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8
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Kumar A, Bhat V. Reproductive Outcome after Hysteroscopic Lateral Metroplasty in Women with T-Shaped Uterus Not Exposed to Diethylstilbestrol. J Minim Invasive Gynecol 2021. [DOI: 10.1016/j.jmig.2021.09.247] [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: 10/20/2022]
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9
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Ballal NV, Duncan HF, Wiedemeier DB, Rai N, Jalan P, Bhat V, Belle VS, Zehnder M. MMP-9 Levels and NaOCl Lavage in Randomized Trial on Direct Pulp Capping. J Dent Res 2021; 101:414-419. [PMID: 34706567 PMCID: PMC8935528 DOI: 10.1177/00220345211046874] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [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: 12/31/2022] Open
Abstract
Outcome expectations of direct pulp capping in carious teeth are obscured by a clinically unknown infiltration and breakdown of the dental pulp tissue. Histologic studies showed that this soft tissue breakdown is related to the innate immune system. We hypothesized 1) that a neutrophil biomarker could predict the outcome of direct pulp capping and 2) that using sodium hypochlorite (NaOCl) as a lavage solution to remove necrotized infected pulp tissue could improve it. In this randomized trial in mature posterior teeth causing no or mild discomfort with carious pulpal exposures, pulpal fluid was collected to assess neutrophil gelatinase (matrix metalloproteinase 9 [MMP-9]) per total protein (TP) levels as a predictive local biomarker. Subsequently, the dentin-pulp wound was randomly washed with a 2.5% NaOCl or a physiologic saline solution (1:1 allocation), capped with mineral trioxide aggregate, and the tooth was immediately restored with a resin-based composite restoration. Ninety-six patients were included, and 84 individuals could be followed up to treatment failure or clinically confirmed pulp survival after a minimum of 1 y. The entire data were fitted to a Cox proportional hazards model to assess the influence of the observational variables MMP-9/TP and discomfort with the randomized lavage treatment on pulp survival. The Kaplan-Meier pulp survival rates after 1 y were 55% for saline and 89% for NaOCl lavage. The inflammatory state of the pulp tissue as reflected by MMP-9/TP levels and NaOCl lavage had a highly significant (P < 0.001 and P = 0.004, respectively) impact on pulp survival, while mild preoperative discomfort did not. In conclusion, MMP-9/TP showed great promise as a predictive local biomarker, and NaOCl lavage considerably improved the survival time of cariously exposed and directly capped pulps.
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Affiliation(s)
- N V Ballal
- Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences-Manipal, Manipal Academy of Higher Education, Manipal, India
| | - H F Duncan
- Division of Restorative Dentistry and Periodontology, Dublin Dental University Hospital, Trinity College Dublin, University of Dublin, Dublin, Ireland
| | - D B Wiedemeier
- Statistical Services, Center of Dental Medicine, University of Zurich, Zurich, Switzerland
| | - N Rai
- Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences-Manipal, Manipal Academy of Higher Education, Manipal, India
| | - P Jalan
- Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences-Manipal, Manipal Academy of Higher Education, Manipal, India
| | - V Bhat
- Department of Biochemistry, Kasturba Medical College-Manipal, Manipal Academy of Higher Education, Manipal, India
| | - V S Belle
- Department of Biochemistry, Kasturba Medical College-Manipal, Manipal Academy of Higher Education, Manipal, India
| | - M Zehnder
- Clinic of Conservative and Preventive Dentistry, University of Zurich, Zurich, Switzerland
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Manoharan A, Sambandam R, Sathish V, Bhat V. Identification of Atrial Fibrillation Risk Variant RS2200733 In Indian Young Adult Population.. [DOI: 10.21203/rs.3.rs-993249/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Abstract
Atrial fibrillation (AF) is a common cardiac arrhythmia that affects millions of people. a substantial genetic contribution to AF has been identified by number of studies over the years. The SNP that is often linked with genetic predisposition to AF is rs2200733 located in the intergenic region close to PITX2 gene which is implicated in cardiac structure and function. rs2200733 is commonly observed in major global populations. Our study aimed to establish the prevalence of this important SNP among young healthy adults in order to assess the risk of genetic susceptibility which could culminate into AF later in life. The study identified a substantial frequency of rs2200733 in Indian population at 21%.
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Aggarwal R, Plakkal N, Bhat V. Does oropharyngeal administration of colostrum reduce morbidity and mortality in very preterm infants? A randomised parallel-group controlled trial. J Paediatr Child Health 2021; 57:1467-1472. [PMID: 33908117 DOI: 10.1111/jpc.15529] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 11/27/2022]
Abstract
AIM To evaluate whether a strategy of oropharyngeal administration of colostrum reduces morbidity and mortality in very preterm infants. METHODS A total of 260 neonates with gestational age 26-31 weeks at birth were randomised between August 2017 and August 2018 to receive 0.2 mL of human milk or placebo respectively via the oropharyngeal route, beginning within 24 h after birth, and continued every 3 h until oral feeds were initiated. The primary outcome was a composite of death, late-onset sepsis (LOS) or necrotising enterocolitis (NEC) in the neonatal period. RESULTS A total of 260 infants (mean gestational age 29.5 weeks, and mean birthweight 1201.7 g) were included in the primary analysis. The composite primary outcome occurred in 43 (33.6%) infants in the colostrum group and 38 infants (29.7%) in the placebo group, and the difference was not statistically significant (P = 0.50). Secondary outcomes including the incidence of death, NEC, LOS, probable sepsis, intraventricular haemorrhage, ventilator-associated pneumonia, retinopathy of prematurity, bronchopulmonary dysplasia, time to full feeds, time to regain birthweight, duration of hospital stay and survival to 6 months without major neurosensory impairment were also comparable between the two groups. CONCLUSION A strategy of oropharyngeal administration of colostrum in very preterm and extremely preterm neonates did not decrease the composite primary outcome of death, LOS or NEC. This finding is consistent with most published literature in the area.
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Affiliation(s)
- Rahul Aggarwal
- Department of Neonatology, Apollo Cradle, Gurgaon, India.,Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Nishad Plakkal
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Vishnu Bhat
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India.,Department of Neonatology, Division of Research, Aarupadai Veedu Medical College and Hospital, Vinayaka Mission's Research Foundation, Pondicherry, India
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12
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Vijayan S, Cherukuri S, Kulkarni M, Naik M, Shetty S, Bhat V, Murali S, Rao S. Functional Evaluation of Anterior Cruciate Ligament Reconstruction – Comparison of Two Graft Fixation Techniques in the Femoral Tunnel. Muscles Ligaments Tendons J 2021. [DOI: 10.32098/mltj.01.2021.07] [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: 11/05/2022]
Affiliation(s)
- S. Vijayan
- Department of Orthopedics, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India
| | - S.M. Cherukuri
- Department of Orthopedics, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India
| | - M.S. Kulkarni
- Department of Orthopedics, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India
| | - M.A. Naik
- Department of Orthopedics, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India
| | - S. Shetty
- Department of Orthopedics, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India
| | - V. Bhat
- Department of Orthopedics, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India
| | - S.D. Murali
- Department of Orthopedics, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India
| | - S.K. Rao
- Department of Orthopedics, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India
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Laishram SD, Goyal S, Shashi, Kulkarni VM, Kumar S, Bhat V. Assessment of biolistic and Agrobacterium-mediated genetic transformation methods in Cenchrus ciliaris. Nucleus 2020. [DOI: 10.1007/s13237-020-00332-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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14
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Manoharan A, Sambandam R, Bhat V. Recent technologies enhancing the clinical utility of circulating tumor DNA. Clin Chim Acta 2020; 510:498-506. [PMID: 32795543 DOI: 10.1016/j.cca.2020.08.010] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/04/2020] [Accepted: 08/07/2020] [Indexed: 12/14/2022]
Abstract
Circulating tumor DNA (ctDNA) is a promising blood based biomarker that is set to revolutionize cancer management. Non-invasive biopsy takes precedence over tissue biopsy for enabling longitudinal monitoring, providing a comprehensive profile of tumor heterogeneity and the ease of repeated sampling. Advanced genomic technologies enable real-time disease monitoring, detect minimal residual disease and recurrence at the earliest stages, the potential time points when treatment significantly reduces morbidity and mortality and enable tailored and personalized therapy. The review highlights evidence from literature that make ctDNA a potential liquid biopsy marker and the clinical utility of the recent techniques that leverage up on ctDNA.
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Affiliation(s)
- Aarthi Manoharan
- Multi-Disciplinary Center for Biomedical Research, Vinayaka Mission's Research Foundation, Aarupadai Veedu Medical College and Hospital (Deemed-to-be-University), Kirumampakkam, Puducherry 607402, India
| | - Ravikumar Sambandam
- Multi-Disciplinary Center for Biomedical Research, Vinayaka Mission's Research Foundation, Aarupadai Veedu Medical College and Hospital (Deemed-to-be-University), Kirumampakkam, Puducherry 607402, India.
| | - Vishnu Bhat
- Multi-Disciplinary Center for Biomedical Research, Vinayaka Mission's Research Foundation, Aarupadai Veedu Medical College and Hospital (Deemed-to-be-University), Kirumampakkam, Puducherry 607402, India
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Rathore P, Raina SN, Kumar S, Bhat V. Retro-Element Gypsy-163 Is Differentially Methylated in Reproductive Tissues of Apomictic and Sexual Plants of Cenchrus ciliaris. Front Genet 2020; 11:795. [PMID: 32849800 PMCID: PMC7387646 DOI: 10.3389/fgene.2020.00795] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 07/03/2020] [Indexed: 11/18/2022] Open
Abstract
Apomixis, an asexual mode of reproduction through seeds, has immense scope for crop improvement due to its ability to fix hybrid vigor. In C. ciliaris, a predominantly apomictically reproducing range grass, apomixis is genetically controlled by an apospory-specific-genomic-region (ASGR) which is enriched with retrotransposons. Earlier studies showed insertional polymorphisms of a few ASGR-specific retrotransposons between apomictic and sexual plants of C. ciliaris. REs are mainly regulated at the transcriptional level through cytosine methylation. To understand the possible association of ASGR-specific retrotransposon to apomixis, the extent and pattern of differential methylation of Gy163 RE and its impact on transcription were investigated in two genotypes each of apomictic and sexual plants of C. ciliaris. We observed that Gy163 encodes for an integrase domain of RE Ty3-Gypsy, is differentially methylated between reproductive tissues of apomictic and sexual plants. However, leaf tissues did not exhibit differential methylation between apomictic and sexual plants. Among the three contexts (CG, CHG, and CHH) of cytosine methylation, the maximum variation was observed in CHH context in reproductive (at aposporous initial and mature embryo sac stages) tissues of apomictic plants implicating RdDM pathway in methylation of Gy163. Quantitative PCR analysis showed that Gy163 transcripts are expressed more in the reproductive tissues of apomictic plants compared to that in the sexual plants, which was negatively correlated with the methylation level. Thus, the study helps in understanding the role of RE present in ASGR in epigenetic regulation of apomictic mode of reproduction in C. ciliaris.
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Affiliation(s)
- Priyanka Rathore
- Department of Botany, Faculty of Science, University of Delhi, New Delhi, India
| | - Soom Nath Raina
- Amity Institute of Biotechnology, Amity University, Noida, India
| | - Suresh Kumar
- Division of Biochemistry, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Vishnu Bhat
- Department of Botany, Faculty of Science, University of Delhi, New Delhi, India
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Abdi S, Dwivedi A, Shashi, Kumar S, Bhat V. Development of EST-SSR markers in Cenchrus ciliaris and their applicability in studying the genetic diversity and cross-species transferability. J Genet 2019. [DOI: 10.1007/s12041-019-1142-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abdi S, Dwivedi A, Kumar S, Bhat V. Development of EST-SSR markers in Cenchrus ciliaris and their applicability in studying the genetic diversity and cross-species transferability. J Genet 2019; 98:101. [PMID: 31767818] [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: 06/10/2023]
Abstract
Most of the grasses of the genus Cenchrus (20-25 species) and Pennisetum (80-140 species) are distributed throughout the tropical and subtropical regions of the world and reproduce both by sexual and apomictic modes. However, the relationships among the Cenchrus-Pennisetum species are not very clear yet. Molecular markers like expressed sequence tag-simple sequence repeats (EST-SSRs) have been reported to be a better choice for resolving the phylogenetic relationships and to estimate the genetic diversity. The present study describes the identification of EST-SSR markers based on the transcriptome data of Cenchrus ciliaris inflorescence and illustrates the genetic diversity and phylogenetic relationships among these species. Of the 378 primer pairs used across 33 accessions of 21 Cenchrus, Pennisetum, and related grass (Bothriochloa, Dichanthium and Panicum) species, 116 EST-SSR markers were found to be polymorphic with an average polymorphism information content (PIC) of 0.49. Fifty-one EST-SSR loci and 520 alleles showed that where the PIC value is >0.5 there the GAG repeat motif was highly polymorphic. Two EST-SSR markers, CcSSR_80 and CcSSR_102, are polymorphic among the Cenchrus species, while they are absent in Pennisetum and the allied species. Five SSR markers (CcSSR_75, CcSSR_85, CcSSR_87, CcSSR_88 and CcSSR_114) showed 100% cross-transferability among the 21 Cenchrus-Pennisetum species. Species-specific alleles could also be detected for seven species of Cenchrus, Pennisetum and Panicum across 10 SSR markers. Assay of polymorphism across these agamic complexes showed that the three SSR markers (CcSSR_26, CcSSR_97 and CcSSR_109) were associated with Cenchrus-Pennisetum complex, and one (CcSSR_47) with Bothriochloa-Dichanthium complex. Markers with high discriminating power, namely CcSSR_4, CcSSR_38, CcSSR_48, CcSSR_66, CcSSR_67 and CcSSR_70, can be used to estimate the allelic sequence divergence across the sexual and apomictic lineages. Genetic diversity analysis using neighbour-joining (NJ) and principal co-ordinate analysis (PCoA) based approaches showed six and five clusters for the 33 accessions, respectively, having congruence in the pattern of clustering. These accessions were grouped according to their mode of reproduction. Cenchrus and Pennisetum species were grouped separately within the same clade, implying monophyletic group within a 'bristle clade'. Thus, this study showed high discrimination power of microsatellite (EST-SSR) markers to resolve the phylogenetic relationships.
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Affiliation(s)
- Sazda Abdi
- Department of Botany, University of Delhi, Delhi 110 007, India.
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Srivastav P, Vaishali K, Bhat V, Broadbent S. Effect of a structured multifactorial program on physical activity levels and body composition in obese and overweight adolescents: design of a randomized Controlled Trial. J Sci Med Sport 2019. [DOI: 10.1016/j.jsams.2019.08.150] [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: 10/25/2022]
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Sahay A, Chinnaswamy G, Bhat V, Patil V, Gupta T, Shastri JG, Moyiadi A, Shetty P, Sridhar E. P14.50 Clinicopathological spectrum of intracranial germ cell tumors: an Indian tertiary cancer center experience. Neuro Oncol 2019. [DOI: 10.1093/neuonc/noz126.285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
BACKGROUND
Incidence of intracranial germ cell tumors (ICGCT) in Western literature is low (0.3–0.6 %) as compared to East Asia (3–4 %), & their clinicopathological features are well documented. However, there are scant studies on ICGCT from India.
MATERIAL AND METHODS
Retrospective observational study of all ICGCT histologically diagnosed in our hospital from 2007–2018. Metastasis were excluded. Clinicopathological features were retrieved from hospital’s electronic medical records.
RESULTS
We diagnosed 82 primary ICGCT, forming approx. 0.54 % of all primary brain tumors, & 3.5% of pediatric brain tumors. Age range: 2 months-32 yrs (Median age 14 yrs). M:F ratio: 1.82:1 (53M,29F). Nearly 80% patients were pediatric (<18 yrs), & 8 very young (<3 yrs, 7M1F). Majority were suprasellar & pineal (31/82, 37% each), with one bifocal presentation. Other rarer sites: posterior fossa (4), midbrain (1), corpus callosum (1) & 11 non midline (4 thalamic, 4 frontal, 2 cerebellar, 1 CP angle). Predominant histology was germinoma (G) (51/82, 62%), while non germinomatous (NGGCT) were 31/82 (38%), of which 9 were mixed. Pure teratoma were 11 (9 immature (IT), 2 mature), & 5 pure yolk sac tumor (YST). Interestingly, all very young age group patients (<3 yrs), showed only NGGCT histology (5/8 IT, 3/8 pure YST). In contrast, G histology formed nearly 70% of all patients >3 yrs. Females were associated mainly with G (21/29, 72%). NGGCT were predominantly seen in males (M:F=2.9:1). Also, pure IT (9) were seen only in males. Posterior fossa tumors were all IT (4/4). Spinal tumors were NGGCT (1 mature teratoma, 1 YST). Majority of suprasellar tumors (25/31, 80.6%), other midline locations like corpus callosal, midbrain, & all thalamic tumors were G. However, pineal tumors showed equal distribution of G (15/31) & NGGCT (16/31). Spine screening was positive in 8 patients (6 G, 2 IT)- 7 on MRI and 1 only on CSF cytology. Serum tumor markers were raised in 13/54 cases- 6/34G(17.6%), vs 7/20 NGGCT (35%). CSF tumor markers were raised in 14/34-10/23 G (43.4%), vs 4/11 NGGCT (36.3%). Follow up was available for 37 patients (Duration 3 months-10 yrs, median 2 yrs). On f/u 6/15 (40%) NGGCT showed progression/death, while only 2/32 G relapsed (6.5%). Four deaths in G group were not directly attributable to the tumor.
CONCLUSION
Frequency of ICGCT in our hospital similar to western data rather than Asian, albeit with less striking male preponderance. ICGCT were tumors of 2nd decade & majority occurred in pineal/suprasellar areas. About 2/3rd were pure G on histology, and showed good prognosis. NGGCT were common in infants, males and in posterior fossa. IT were seen exclusively in males and pure YST mainly in males. Although majority of ICGCT are in midline, rarely non midline involvement also occurs, and it’s essential to exclude metastasis before considering primary ICGCT. Expectedly, NGGCT showed poorer prognosis, compared to pure germinomas.
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Affiliation(s)
- A Sahay
- Tata Memorial Centre, Mumbai, India
| | | | - V Bhat
- Tata Memorial Centre, Mumbai, India
| | - V Patil
- Tata Memorial Centre, Mumbai, India
| | - T Gupta
- Tata Memorial Centre, Mumbai, India
| | | | | | - P Shetty
- Tata Memorial Centre, Mumbai, India
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Ballal NV, Gandhi P, Shenoy PA, Shenoy Belle V, Bhat V, Rechenberg D, Zehnder M. Safety assessment of an etidronate in a sodium hypochlorite solution: randomized double‐blind trial. Int Endod J 2019; 52:1274-1282. [DOI: 10.1111/iej.13129] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 04/12/2019] [Indexed: 11/28/2022]
Affiliation(s)
- N. V. Ballal
- Department of Conservative Dentistry and Endodontics Manipal College of Dental Sciences Manipal Academy of Higher Education Manipal Karnataka India
| | - P. Gandhi
- Department of Conservative Dentistry and Endodontics Manipal College of Dental Sciences Manipal Academy of Higher Education Manipal Karnataka India
| | - P. A. Shenoy
- Department of Microbiology Kasturba Medical College Manipal, Manipal Academy of Higher Education Manipal Karnataka India
| | - V. Shenoy Belle
- Department of Biochemistry Kasturba Medical College Manipal, Manipal Academy of Higher Education Manipal Karnataka India
| | - V. Bhat
- Department of Biochemistry Kasturba Medical College Manipal, Manipal Academy of Higher Education Manipal Karnataka India
| | - D.‐K. Rechenberg
- Department of Preventive Dentistry, Periodontology and Cariology University of Zürich Zürich Switzerland
| | - M. Zehnder
- Department of Preventive Dentistry, Periodontology and Cariology University of Zürich Zürich Switzerland
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Rao P, R R, Bethou A, Bhat V, C P. Does Kangaroo Mother Care Reduce Anxiety in Postnatal Mothers of Preterm Babies? - A Descriptive Study from a Tertiary Care Centre in South India. J Nepal Health Res Counc 2019; 17:42-45. [PMID: 31110375 DOI: 10.33314/jnhrc.1228] [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] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 04/24/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND To assess anxiety and depression among postnatal mothers of preterm babies and to evaluate whether Kangaroo mother care reduces their anxiety. METHODS This descriptive study was conducted in a tertiary care teaching hospital in south India. Anxiety and depression was assessed using Hospital Anxiety and Depression Scale in 2 groups of postnatal mothers (Pre Kangaroo mother care and post Kangaroo mother care) with 50 participants each and compared. RESULTS In the pre Kangaroo mother care group, abnormal sub scale scores were noted in 27 (54%) and 21 (42%) for anxiety and depression respectively. The mean Hospital Anxiety and Depression Scale anxiety subscale score was 10.1 (±4.5) and mean depression subscale score was 9.15 (±4.3) in the pre Kangaroo mother care group compared to 7.76 (± 4.8) and 7.24 (± 5.15) respectively in the post Kangaroo mother care group. The mean total Hospital Anxiety and Depression Scale score was significantly less in the post Kangaroo mother care group compared to pre Kangaroo mother care group. CONCLUSIONS Mothers of preterm neonates experience significant anxiety and depression during the immediate postnatal period and Kangaroo mother care can reduce their stress.
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Affiliation(s)
- Priyanka Rao
- Department of Neonatology Jawaharlal Institute of Postgraduate Medical Education and research (JIPMER), Pondicherry 605 006, India
| | - Raajashri R
- Department of Neonatology Jawaharlal Institute of Postgraduate Medical Education and research (JIPMER), Pondicherry 605 006, India
| | - Adhisivam Bethou
- Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER)
| | - Vishnu Bhat
- Department of Neonatology Jawaharlal Institute of Postgraduate Medical Education and research (JIPMER), Pondicherry 605 006, India
| | - Palanivel C
- Department of Neonatology Jawaharlal Institute of Postgraduate Medical Education and research (JIPMER), Pondicherry 605 006, India
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Singh A, Moulik N, Pandey A, Shetty D, Prasad M, Bhat V, Dhamne C, Subramanian P, Narula G, Banavali S. Cytogenetic Profile of Children with B-cell Acute Lymphoblastic Leukemia (ALL) at Diagnosis and Relapse. Pediatric Hematology Oncology Journal 2019. [DOI: 10.1016/j.phoj.2019.08.082] [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: 10/26/2022] Open
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Balachander B, Mondal N, Bhat V, Adhisivam B, Kumar M, Satheesh S, Thulasingam M. Comparison of efficacy of oral paracetamol versus ibuprofen for PDA closure in preterms - a prospective randomized clinical trial. J Matern Fetal Neonatal Med 2018; 33:1587-1592. [PMID: 30227731 DOI: 10.1080/14767058.2018.1525354] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Background: Currently nonselective cyclooxygenase (COX) inhibitors, ibuprofen and indomethacin, are approved drugs for closure of patent ductus arteriosus but have potential toxicities. There are reports of the effectiveness of paracetamol in ductal closure. However, there is paucity of data comparing paracetamol to ibuprofen or indomethacin in relation to the efficacy and safety profile.Methods: This randomized clinical trial was done in our tertiary care neonatal unit from October 2014 to January 2016 after clearance from ethical committee. It was registered with clinical trial registry of India (CTRI/2016/09/007261) and drug controller general of India (CT/Drugs/56/2014). Preterm neonates with clinical suspicion of hemodynamically significant PDA after echo confirmation were included in the study. Randomization was done by stratified randomization through sealed opaque envelopes. A sample size of 150 was estimated with an expected difference in success of closure as 20% between the treatment groups at level of 5% significance and 80% power. The echocardiography was done 24 hours after completion of treatment by a cardiologist blinded to treatment.Results: The baseline parameters were comparable between two groups. One hundred and forty-six babies had hs-PDA, out of which 110 babies were randomized. No significant difference was found between the two groups with respect to PDA closure (RR 0.97, 95%CI 0.78-1.20, p = 1), mortality or cardio-respiratory morbidity. The babies who received ibuprofen had a higher occurrence of acute kidney injury (RR 0.33, 95%CI 0.13-0.85, p = 0.024).Conclusions: Paracetamol is as effective as ibuprofen for PDA closure in preterm neonates. Ibuprofen used for PDA closure in preterms poses an increased risk for acute kidney injury compared to paracetamol.
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Affiliation(s)
- Bharathi Balachander
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER), Pondicherry, India
| | - Nivedita Mondal
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER), Pondicherry, India
| | - Vishnu Bhat
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER), Pondicherry, India
| | - Bethou Adhisivam
- Department of Pediatrics, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER), Pondicherry, India
| | - Mahesh Kumar
- Department of Cardiology, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER), Pondicherry, India
| | - Santhosh Satheesh
- Department of Cardiology, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER), Pondicherry, India
| | - Mahalakshmi Thulasingam
- Department of Cardiology, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER), Pondicherry, India
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Adhisivam B, Kohat D, Tanigasalam V, Bhat V, Plakkal N, Palanivel C. Does fortification of pasteurized donor human milk increase the incidence of necrotizing enterocolitis among preterm neonates? A randomized controlled trial. J Matern Fetal Neonatal Med 2018; 32:3232-3237. [PMID: 29618272 DOI: 10.1080/14767058.2018.1461828] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Objective: To compare the effect of fortified pasteurized donor human milk (PDHM) versus unfortified PDHM on the incidence of necrotizing enterocolitis (NEC) and immediate outcome among preterm neonates. Methods: This randomized controlled trial (RCT) conducted in a tertiary care teaching hospital, south India included 80 healthy preterm neonates randomized to two groups (Group A and B). Neonates in Group A and B were fed with fortified PDHM and unfortified PDHM, respectively. Neonates in both groups were managed uniformly as per standard NICU protocol. The primary outcome was the incidence of NEC and the secondary outcomes included severity of NEC, incidence of sepsis, mortality, duration of hospital stay, number of days to reach full enteral feeds and weight gain. Neonates were followed up for 28 days or discharge whichever was earlier. Results: The baseline maternal and neonatal characteristics in both groups were comparable. There was no increase in incidence of NEC in fortified PDHM group compared to unfortified PDHM group (2.5 versus 7.5%, p = .31). Severity of NEC, incidence of sepsis, mortality, duration of hospital stay, number of days to reach full enteral feeds and weight gain were also similar in both groups. Conclusions: Standard fortification of PDHM does not increase the incidence of NEC among preterm neonates.
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Affiliation(s)
- Bethou Adhisivam
- a Department of Neonatology , Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER) , Puducherry , India
| | - Dilesh Kohat
- a Department of Neonatology , Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER) , Puducherry , India
| | - Vasanthan Tanigasalam
- a Department of Neonatology , Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER) , Puducherry , India
| | - Vishnu Bhat
- a Department of Neonatology , Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER) , Puducherry , India
| | - Nishad Plakkal
- a Department of Neonatology , Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER) , Puducherry , India
| | - C Palanivel
- a Department of Neonatology , Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER) , Puducherry , India
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Mande R, Saroha M, Dhamne C, Roy N, Chinnaswamy G, Prasad M, Vora T, Bhat V, Sankaran H, Narula G, Banavali S. A Large Outbreak Of Acute Encephalitis In Children With Malignancy. Pediatric Hematology Oncology Journal 2018. [DOI: 10.1016/j.phoj.2018.11.185] [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: 10/27/2022] Open
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Oliveira V, Kumutha JR, E N, Somanna J, Benkappa N, Bandya P, Chandrasekeran M, Swamy R, Mondkar J, Dewang K, Manerkar S, Sundaram M, Chinathambi K, Bharadwaj S, Bhat V, Madhava V, Nair M, Lally PJ, Montaldo P, Atreja G, Mendoza J, Bassett P, Ramji S, Shankaran S, Thayyil S. Hypothermia for encephalopathy in low-income and middle-income countries: feasibility of whole-body cooling using a low-cost servo-controlled device. BMJ Paediatr Open 2018; 2:e000245. [PMID: 29637198 PMCID: PMC5887762 DOI: 10.1136/bmjpo-2017-000245] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 02/03/2018] [Accepted: 02/14/2018] [Indexed: 11/08/2022] Open
Abstract
UNLABELLED Although therapeutic hypothermia (TH) is the standard of care for hypoxic ischaemic encephalopathy in high-income countries, the safety and efficacy of this therapy in low-income and middle-income countries (LMICs) is unknown. We aimed to describe the feasibility of TH using a low-cost servo-controlled cooling device and the short-term outcomes of the cooled babies in LMIC. DESIGN We recruited babies with moderate or severe hypoxic ischaemic encephalopathy (aged <6 hours) admitted to public sector tertiary neonatal units in India over a 28-month period. We administered whole-body cooling (set core temperature 33.5°C) using a servo-controlled device for 72 hours, followed by passive rewarming. We collected the data on short-term neonatal outcomes prior to hospital discharge. RESULTS Eighty-two babies were included-61 (74%) had moderate and 21 (26%) had severe encephalopathy. Mean (SD) hypothermia cooling induction time was 1.7 hour (1.5) and the effective cooling time 95% (0.08). The mean (SD) hypothermia induction time was 1.7 hour (1.5 hour), core temperature during cooling was 33.4°C (0.2), rewarming rate was 0.34°C (0.16°C) per hour and the effective cooling time was 95% (8%). Twenty-five (51%) babies had gastric bleeds, 6 (12%) had pulmonary bleeds and 21 (27%) had meconium on delivery. Fifteen (18%) babies died before discharge from hospital. Heart rate more than 120 bpm during cooling (P=0.01) and gastric bleeds (P<0.001) were associated with neonatal mortality. CONCLUSIONS The low-cost servo-controlled cooling device maintained the core temperature well within the target range. Adequately powered clinical trials are required to establish the safety and efficacy of TH in LMICs. CLINICAL TRIAL REGISTRATION NUMBER NCT01760629.
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Affiliation(s)
- Vânia Oliveira
- Centre for Perinatal Neuroscience, Imperial College London, London, UK
| | - Jaya Raman Kumutha
- Neonatal Medicine, Institute of Child Health, Madras Medical College, Chennai, Tamil Nadu, India
| | - Narayanan E
- Neonatal Medicine, Institute of Child Health, Madras Medical College, Chennai, Tamil Nadu, India
| | - Jagadish Somanna
- Neonatal Medicine, Indira Gandhi Institute of Child Health, Bangalore, Karnataka, India
| | - Naveen Benkappa
- Neonatal Medicine, Indira Gandhi Institute of Child Health, Bangalore, Karnataka, India
| | - Prathik Bandya
- Neonatal Medicine, Indira Gandhi Institute of Child Health, Bangalore, Karnataka, India
| | | | - Ravi Swamy
- Centre for Perinatal Neuroscience, Imperial College London, London, UK.,Neonatal Medicine, Imperial College Healthcare NHS Trust, London, UK.,Neonatal Medicine, Perinatal Trials Unit, Bangalore, India
| | - Jayashree Mondkar
- Neonatal Medicine, Lokmanya Tilak Municipal Hospital, Sion, Mumbai, India
| | - Kapil Dewang
- Neonatal Medicine, Lokmanya Tilak Municipal Hospital, Sion, Mumbai, India
| | - Swati Manerkar
- Neonatal Medicine, Lokmanya Tilak Municipal Hospital, Sion, Mumbai, India
| | - Mangalabharathi Sundaram
- Neonatal Medicine, Institute of Child Health, Madras Medical College, Chennai, Tamil Nadu, India
| | - Kamalaratnam Chinathambi
- Neonatal Medicine, Institute of Child Health, Madras Medical College, Chennai, Tamil Nadu, India
| | - Shruti Bharadwaj
- Neonatal Medicine, Jawaharlal Institute of Postgraduate Medical Education & Research, Pondicherry, India
| | - Vishnu Bhat
- Neonatal Medicine, Jawaharlal Institute of Postgraduate Medical Education & Research, Pondicherry, India
| | | | - Mohandas Nair
- Neonatal Medicine, Calicut Medical College, Kozhikode, Kerala, India
| | - Peter James Lally
- Centre for Perinatal Neuroscience, Imperial College London, London, UK
| | - Paolo Montaldo
- Centre for Perinatal Neuroscience, Imperial College London, London, UK
| | - Gaurav Atreja
- Neonatal Medicine, Imperial College Healthcare NHS Trust, London, UK
| | - Josephine Mendoza
- Centre for Perinatal Neuroscience, Imperial College London, London, UK
| | - Paul Bassett
- Medical Statistics, Stats Consultancy, London, UK
| | - Siddarth Ramji
- Neonatal Medicine, Maulana Azad Medical College, New Delhi, Delhi, India
| | - Seetha Shankaran
- Neonatal Medicine, Wayne State University, Detroit, Michigan, USA
| | - Sudhin Thayyil
- Centre for Perinatal Neuroscience, Imperial College London, London, UK
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Thomas N, Abiramalatha T, Bhat V, Varanattu M, Rao S, Wazir S, Lewis L, Balakrishnan U, Murki S, Mittal J, Dongara A, Y. N. P, Nimbalkar S. Phase Changing Material for Therapeutic Hypothermia in Neonates with Hypoxic Ischemic Encephalopathy — A Multi-centric Study. Indian Pediatr 2017. [PMID: 29242417 DOI: 10.1007/s13312-018-1317-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Francis F, Bhat V, Balachander B, Khare C, Bethou A, Dalal A, Ponnala R. Look Up to Diagnose Down! Indian J Pediatr 2017; 84:961-962. [PMID: 28755174 DOI: 10.1007/s12098-017-2421-2] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Accepted: 07/05/2017] [Indexed: 11/24/2022]
Affiliation(s)
- Febi Francis
- Department of Neonatology, Jawaharlal Institute of Post Graduate Medical Education & Research (JIPMER), Puducherry, 605006, India
| | - Vishnu Bhat
- Department of Neonatology, Jawaharlal Institute of Post Graduate Medical Education & Research (JIPMER), Puducherry, 605006, India.
| | - Bharathi Balachander
- Department of Neonatology, Jawaharlal Institute of Post Graduate Medical Education & Research (JIPMER), Puducherry, 605006, India
| | - Chetan Khare
- Department of Neonatology, Jawaharlal Institute of Post Graduate Medical Education & Research (JIPMER), Puducherry, 605006, India
| | - Adhisivam Bethou
- Department of Neonatology, Jawaharlal Institute of Post Graduate Medical Education & Research (JIPMER), Puducherry, 605006, India
| | - Ashwin Dalal
- Centre for DNA Fingerprinting and Diagnostics, Molecular Genetics Laboratory(CDFD), Hyderbad, India
| | - Rajitha Ponnala
- Centre for DNA Fingerprinting and Diagnostics, Molecular Genetics Laboratory(CDFD), Hyderbad, India
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Abstract
INTRODUCTION Gestational diabetes mellitus (GDM) is common and is accompanied with other comorbidities. Challenges to treatment exist at our institute as it serves women with low income. This study assessed the burden of comorbidities and the outcome of GDM. METHODS This was a prospective, observational study of women with gestational diabetes attending the obstetrics department from September 2012 to April 2014. GDM was diagnosed based on the International Association of Diabetes and Pregnancy Study Groups criteria. Medical comorbidities were noted, and lipid profile was done. All the women were followed up till delivery, and the complications were recorded. Age- and parity-matched pregnant women with normal oral glucose tolerance test were recruited as controls. RESULTS One hundred and thirty-nine women were followed up till delivery. The average age was 28 years. Eighteen percent had bad obstetric history. The average body mass index was 28.8. Twenty-five percent had gestational hypertension (HTN), and 6.4% had chronic HTN. Thirty percent had hypothyroidism. 65% women received insulin. The glucose values were within the recommended range in 60% of the women. Maternal hypoglycemia occurred in 7 (5%) women. Forty-four percent of the women required cesarean section and 34% had complications either during pregnancy or labor. Three neonates had macrosomia. Twenty-six neonates (20%) required admission to the Neonatal Intensive Care Unit. Four neonates (3%) died. Newborns of mothers whose GDM optimally treated had less complications. CONCLUSION Gestational diabetes is associated with HTN, hypothyroidism, obesity, and lipid abnormalities. The majority of women required insulin for treatment and optimal control of blood glucose resulted in lower neonatal complications.
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Affiliation(s)
| | - Ashok Kumar Das
- Department of Medicine, Pondicherry Institute of Medical Sciences, Kalapet, India
| | - Syed Habeebullah
- Department of Obstetrics and Gynaecology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Vishnu Bhat
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
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Francis F, Bhat V, Mondal N, Adhisivam B, Jacob S, Dorairajan G, Harish BN. Fetal inflammatory response syndrome (FIRS) and outcome of preterm neonates - a prospective analytical study. J Matern Fetal Neonatal Med 2017; 32:488-492. [PMID: 28942689 DOI: 10.1080/14767058.2017.1384458] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVES To estimate the incidence of fetal inflammatory response syndrome (FIRS) in preterm neonates and correlate it with immediate and one-year neurodevelopmental outcome. MATERIALS AND METHODS This prospective observational analytical study, in preterm neonates with gestational age between 26 and 34 weeks was conducted from May 2014 to December 2015 in a tertiary care hospital in South India. FIRS was defined as the presence of either elevated levels of interleukin-6 (IL-6) in cord blood ≥11 pg/ml and/or the placental histopathology showing evidence of fetal inflammatory response. One hundred and twenty neonates were recruited. During delivery 2 ml cord blood for interleukin-6 and placenta were collected and stored appropriately. Based on presence/absence of FIRS (IL-6 in cord blood ≥11 pg/ml and or features of placental fetal inflammation), neonates were grouped into two groups. The neonatal and maternal characteristics between two groups were compared. The short-term outcome parameters during NICU stay and neurodevelopmental outcome at one year of corrected age was compared between groups. RESULTS Among the 120 infants studied, 19 expired. Out of 101 babies discharged, 87 were followed up till corrected 1 year of age. On examination of placenta and cord blood, 50 neonates had evidence of FIRS (41.6%). So there were 50 neonates in FIRS and 70 in NO-FIRS group. The mean gestational age, birth weight, and gender distribution were comparable between the two groups. Mortality [OR: 2.44 (CI: 1.14-5.26)] and early hypotension [OR: 2.13 (CI: 1.1-4.2)] were significantly higher in the FIRS group. The neurodevelopmental assessment at corrected age of 1 year showed that infants with FIRS had lower mean motor developmental quotient by developmental assessment scale for Indian infants (DASII) [87.6 ± 9.15 versus 93.07 ± 9.3, p < .04]. CONCLUSIONS FIRS has a significant role on survival and neurodevelopmental outcome of preterm infants.
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Affiliation(s)
- Febi Francis
- a Department of Neonatology , Jawaharlal Institute of Post Graduate Medical Education , Gorimedu , Puducherry , India
| | - Vishnu Bhat
- a Department of Neonatology , Jawaharlal Institute of Post Graduate Medical Education , Gorimedu , Puducherry , India
| | - Nivedita Mondal
- a Department of Neonatology , Jawaharlal Institute of Post Graduate Medical Education , Gorimedu , Puducherry , India
| | - Bethou Adhisivam
- a Department of Neonatology , Jawaharlal Institute of Post Graduate Medical Education , Gorimedu , Puducherry , India
| | - Sajini Jacob
- b Department of Pathology , Jawaharlal Institute of Post Graduate Medical Education , Gorimedu , Puducherry , India
| | - Gowri Dorairajan
- c Department of Obstetrics & Gynecology , Jawaharlal Institute of Post Graduate Medical Education , Gorimedu , Puducherry , India
| | - B N Harish
- d Department of Microbiology , Jawaharlal Institute of Post Graduate Medical Education , Gorimedu , Puducherry , India
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Solanki R, Mondal N, Mahalakshmy T, Bhat V. Medication errors by caregivers at home in neonates discharged from the neonatal intensive care unit. Arch Dis Child 2017; 102:651-654. [PMID: 28468867 DOI: 10.1136/archdischild-2016-311877] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 01/26/2017] [Accepted: 03/18/2017] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To determine the frequency of medication errors by caregivers at home in neonates discharged from the neonatal intensive care unit and to identify the associated risk factors. METHODS A descriptive, cross-sectional study was conducted in the High Risk Newborn Follow-up Clinic of our institute, on a sample of 166 children, <3 months old. The medications prescribed (syrup preparations of vitamin D, multivitamins, calcium, iron and levetiracetam, tablet L-thyroxine and ursodeoxycholic acid and human milk fortifier powder) were noted from the discharge summary. The caregiver who usually administered the medicines to the child at home was asked the names of the medications, frequency of their administration and to show in a measuring cup/syringe/dropper the dose of the medication. The names, doses and frequency of the drugs as reported were matched against those actually prescribed in the discharge summary. Various risk factors probably associated with medication errors, were noted. RESULTS The frequency of medication errors by caregivers in infants discharged from the neonatal intensive care unit was 66.3%. Dose administration error, that is, measurement of a dose different from what was prescribed was the most common error (54%). A prescription containing more than three drugs was found to have statistically significant association (OR 4.19, CI 1.59 to 11.07, p=0.00). CONCLUSION Medication errors by caregivers in infants less than 3 months of age are very common, dose administration error being the most common type. A prescription of more than three drugs increases the odds of an error.
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Affiliation(s)
- Ritanshu Solanki
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India
| | - Nivedita Mondal
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India
| | - Thulasingam Mahalakshmy
- Department of P&SM, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India
| | - Vishnu Bhat
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India
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Basak P, Chatterjee S, Bhat V, Jin H, Su A, Murphy LC, Raouf A. Abstract P3-04-25: Role of H19, a long non-coding RNA, in development of resistance to endocrine therapy in breast cancer cells. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p3-04-25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Introduction:
Majority of breast cancer tumors are Estrogen receptor positive (ER+) where antiestrogen therapies (endocrine therapies) are the best therapeutic strategy to treat this type of tumors. However, eventually over 30% of patients will develop resistance to endocrine therapies resulting in disease relapse. We recently showed that the long noncoding RNA, H19, is an estrogen target gene that plays a significant role in estrogen-induced proliferation of the normal and malignant ER+ cells. We therefore hypothesize that H19 expression is also important to the proliferation of endocrine therapy resistant cells. In this study, we examined if estrogen-independent H19 expression is important to the development of endocrine therapy resistance.
Objective:
The overall objective of this project is to use therapy sensitive (MCF-7) and therapy-resistant (LCC9) breast cancer cells as model systems to examine the role of long non-coding RNA H19 in development and maintenance of resistance to endocrine therapy.
Methodology and Results:
We examined the expression of H19 in ER+ breast cancer cells (MCF7) that under the selective pressure of fulvesterant (ICI, ER down regulator) acquire resistance to ICI. We observed that while H19 expression was initially decreased as expected, its expression subsequently increased in the ICI-resistant MCF7 cells. Interestingly, H19 knockdown in MCF7 cells significantly decrease their proliferation as determined by Flowcytometry and made them more sensitive to ICI. We also examined H19 expression in the ICI-resistant LCC9 cells and found that ICI treatment increased H19 expression. Interestingly, H19 knockdown in the LCC9 cells decreased their proliferation and surprisingly made them sensitive to ICI treatment. Previous observations indicate that NOTCH4 receptor (NR4) may be involved in endocrine therapy resistance. Interestingly we found that in presence of ICI, NR4 expression is increased and that forced activation of NR4 markedly increases H19 expression in LCC9 cells.
Conclusion:
Altogether these observations suggest that H19 plays an important role in the development of endocrine therapy resistance and further our understanding of the cellular and molecular mechanisms involved in endocrine therapy resistance. These and similar studies could potentially lead to the development of new therapies to treat therapy resistant tumor cells. Further experiments would reveal if signalling pathways that regulate H19 expression independent of estrogen are useful therapies against endocrine therapy resistant tumors.
Citation Format: Basak P, Chatterjee S, Bhat V, Jin H, Su A, Murphy LC, Raouf A. Role of H19, a long non-coding RNA, in development of resistance to endocrine therapy in breast cancer cells [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr P3-04-25.
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Affiliation(s)
- P Basak
- Research Institute of Oncology and Hematology, Winnipeg, MB, Canada; University of Manitoba, Winnipeg, MB, Canada
| | - S Chatterjee
- Research Institute of Oncology and Hematology, Winnipeg, MB, Canada; University of Manitoba, Winnipeg, MB, Canada
| | - V Bhat
- Research Institute of Oncology and Hematology, Winnipeg, MB, Canada; University of Manitoba, Winnipeg, MB, Canada
| | - H Jin
- Research Institute of Oncology and Hematology, Winnipeg, MB, Canada; University of Manitoba, Winnipeg, MB, Canada
| | - A Su
- Research Institute of Oncology and Hematology, Winnipeg, MB, Canada; University of Manitoba, Winnipeg, MB, Canada
| | - LC Murphy
- Research Institute of Oncology and Hematology, Winnipeg, MB, Canada; University of Manitoba, Winnipeg, MB, Canada
| | - A Raouf
- Research Institute of Oncology and Hematology, Winnipeg, MB, Canada; University of Manitoba, Winnipeg, MB, Canada
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Gopal N, Koner B, Bhattacharjee A, Bhat V, Murugaiyan S, Muddegowda P. Assay of urinary protein carbonyl content can predict the steroid dependence and resistance in children with idiopathic nephrotic syndrome. Saudi J Kidney Dis Transpl 2017; 28:268-272. [DOI: 10.4103/1319-2442.202764] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Abstract
Introduction: Perinatal asphyxia is a major cause for neonatal mortality and morbidity around the world. The reduction of O2 results in the generation of reactive oxygen species which interact with nucleic acid and make alteration in the structure and functioning of the genome. We studied the effect of therapeutic hypothermia on chromosomes with karyotyping. Subjects and Methods: Babies in the hypothermia group were cooled for the first 72 h, using gel packs. Rectal temperature of 33–34°C was maintained. Blood sample was collected after completion of therapeutic hypothermia for Chromosomal analysis. It was done with IKAROS Karyotyping system, Metasystems, based on recommendations of International system of human cytogenetic nomenclature. Results: The median chromosomal aberration was lower in hypothermia [2(0-5)] than control group [4(1-7)] and chromatid breakage was commonest aberration seen. Chromosomal aberration was significantly higher in severe encephalopathy group than moderate encephalopathy group. Conclusion: We conclude that the TH significantly reduces DNA damage in perinatal asphyxia.
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Affiliation(s)
- Bahubali D Gane
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - S Nandhakumar
- Department of Anatomy, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Vishnu Bhat
- Department of Neonatology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Ramachandra Rao
- Department of Anatomy, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
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Tellapragada C, Shaw T, Kalwaje Eshwara V, Bhat V, Kumar S, Mukhopadhyay C. Novel allelic profile of the clinical strains of burkholderia pseudomallei on multi locus sequence typing from India. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.02.441] [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: 10/22/2022] Open
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Gopal N, Koner BC, Bhattacharjee A, Bhat V. Assay of urinary protein-bound sialic acid can differentiate steroidsensitive nephrotic syndrome from steroid-resistant cases. Saudi J Kidney Dis Transpl 2016; 27:37-40. [PMID: 26787564 DOI: 10.4103/1319-2442.174066] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
The protein selectivity index as measured from the ratio of urinary immunoglobulin to albumin failed to differentiate between steroid-sensitive (SS) and steroid-resistant (SR) cases of nephrotic syndrome (NS). Sialic acid contributes negative charges to many plasma proteins. The negative charge is a determinant of protein excretion rate. The prognostic significance of assay of urinary excretion of protein-bound sialic acid in NS has not been evaluated. Hence, the present study was designed to evaluate whether measurement of urinary protein bound sialic acid (UPBSA) can be used as a marker to differentiate SS from SR cases of NS. The urine samples of 70 (47 SS and 23 SR) pediatric NS children were assayed for UPBSA by Aminoff's method. The levels were compared and the receiver-operator curve was drawn to determine the optimum cutoff point to differentiate among the groups before starting the therapy. The excretion of UPBSA in SR cases of NS was significantly higher than that of SS cases (P<0.05). The optimum cutoff limit for UPBSA was 2.71 μg/mg of proteins with 75% sensitivity and 75.5% specificity for differentiating SS cases from SR cases (area under the plasma- concentration time curve=0.814, P=0.009). We conclude that UPBSA can differentiate SR cases from SS cases of NS in pediatric patients and may help in predicting the response to steroid therapy.
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Affiliation(s)
- Niranjan Gopal
- Department of Biochemistry, Mahatma Gandhi Medical College and Research Institute (MGMC & RI), SBV, Pillaiyarkuppam, Puducherry, 607 402, India
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Ramani S, Parija SC, Mandal J, Hamide A, Bhat V. Detection of chloroquine and artemisinin resistance molecular markers in Plasmodium falciparum: A hospital based study. Trop Parasitol 2016; 6:69-77. [PMID: 26998436 PMCID: PMC4778185 DOI: 10.4103/2229-5070.175110] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Introduction: Emergence of chloroquine (CQ) resistance in Plasmodium falciparum has increased the morbidity and mortality of falciparum malaria worldwide. Artemisinin-based combination therapies are now recommended by the World Health Organization as the first line treatment for falciparum malaria. Numerous molecular markers have been implicated in the CQ and artemisinin resistance. Materials and Methods: A total of 26 confirmed cases of falciparum malaria (by giemsa stained thick and thin smear, quantitative buffy coat, immunochromatographic test, or polymerase chain reaction [PCR]) were included in the study. About 5 ml of ethylenediaminetetraacetic acid blood sample was collected and stored at −20°C till use. Plasmodium DNA was extracted using QIAamp whole blood DNA extraction kit. PCR was done to amplify pfcrt, pfmdr1, pfserca, and pfmrp1 genes and the amplicons obtained were sequenced by Macrogen, Inc., Korea. Single nucleotide polymorphism (SNP) analysis was done using Bio-Edit Sequence Alignment Editor. Results: Out of the four genes targeted, we noted a SNP in the pfcrt gene alone. This SNP (G > T) was noted in the 658th position of the gene, which was seen in 13 patients. The pfmdr1 and pfserca genes were present in 9 and 14 patients respectively. But we could not find any SNPs in these genes. This SNP in pfcrt gene was not significantly associated with any adverse outcome and neither altered disease progression. Conclusion: Presence of a single SNP may not be associated with any adverse clinical outcome. As the sample size was small, we may have not been able to detect any other known or unknown polymorphisms.
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Affiliation(s)
- S Ramani
- Department of Microbiology, Jawaharlal Nehru Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Subhash Chandra Parija
- Department of Microbiology, Jawaharlal Nehru Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Jharna Mandal
- Department of Microbiology, Jawaharlal Nehru Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Abdoul Hamide
- Department of Medicine, Jawaharlal Nehru Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Vishnu Bhat
- Department of Paediatrics, Jawaharlal Nehru Institute of Postgraduate Medical Education and Research, Puducherry, India
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Khanduri P, Sharma R, Bhat V, Tandon R. Isolation, expression and evolution of FERTILIZATION INDEPENDENT ENDOSPERM homologs in Podostemaceae. J Plant Res 2016; 129:241-250. [PMID: 26649869 DOI: 10.1007/s10265-015-0771-2] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 10/13/2015] [Indexed: 06/05/2023]
Abstract
Podostemaceae is an interesting family of angiosperms with unusual development and morphology. Among these, double fertilization, a defining feature of angiosperms is invariably missing in the family. Consequently, embryo development in the seeds takes place without endosperm. In recent years, the role of polycomb genes has garnered much interest because of their crucial role in seed development. Some of these genes have been reported from many unrelated species, underlining their high conservation. Thus, it becomes exciting to know the role of these genes in podostemads, which are devoid of double fertilization and endosperm. Here, we report the isolation, characterization and expression patterns of homologs of Fertilization Independent Endosperm (FIE) in two species of Podostemaceae, Zeylanidium olivaceum and Polypleurum stylosum. FIE like homologs could be identified in Z. olivaceum (ZoFIE) and P. stylosum (PsFIE). The predicted amino acid sequence of FIE homologs showed similarity to other homologs, containing the conserved seven WD40 repeats. Expression studies revealed that ZoFIE and PsFIE transcripts were present in the vegetative tissue (thallus in Podostemaceae) and the seedlings, similar to the model plants. However, the ZoFIE and PsFIE expression disappeared in the flowering stages. This unique pattern of expression suggests that in the absence of double fertilization and endosperm the expression of FIS complex genes perhaps is obliterated in Podostemaceae.
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Affiliation(s)
| | - Roopam Sharma
- Department of Plant Sciences, University of Saskatchewan, Saskatoon, SK, S7N 5A8, Canada
| | - Vishnu Bhat
- Department of Botany, University of Delhi, Delhi, 110007, India
| | - Rajesh Tandon
- Department of Botany, University of Delhi, Delhi, 110007, India.
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Abstract
BACKGROUND Vascular endothelial growth factor (VEGF) plays a key role in angiogenesis in fetal life. Recently, researchers have attempted to use anti-VEGF agents for the treatment of retinopathy of prematurity (ROP), a vasoproliferative disorder. There is currently uncertainty regarding the safety and efficacy of these agents in preterm infants with ROP. OBJECTIVES To evaluate the efficacy and safety of anti-VEGF drugs when used either as monotherapy, i.e. without concomitant cryotherapy or laser therapy or in combination with planned cryo/laser therapy in preterm infants with type 1 ROP (defined as zone I any stage with plus disease, zone I stage 3 with or without plus disease or zone II stage 2 or 3 with plus disease). SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL 2016, Issue 1), MEDLINE (1966 to January 1, 2016), EMBASE (1980 to January 1, 2016), CINAHL (1982 to January 1, 2016), conference proceedings, and previous reviews. SELECTION CRITERIA Randomised or quasi-randomised controlled trials that evaluated the efficacy and safety of administration, or both, of anti-VEGF agents compared with conventional therapy in premature infants with ROP. DATA COLLECTION AND ANALYSIS We used standard Cochrane and Cochrane Neonatal methods for data collection and analysis. MAIN RESULTS Three trials, in which 239 infants participated, fulfilled the inclusion criteria. Two trials compared intravitreal bevacizumab with conventional laser therapy (monotherapy) while the third compared intravitreal pegaptanib plus laser treatment with laser and cryotherapy (combination therapy) in infants with type 1 ROP.Of the two studies that evaluated intravitreal bevacizumab, one randomized infants while the other randomized eyes of the infants to the intervention and control groups. The former did not report any difference in the incidence of complete or partial retinal detachment between the groups (143 infants; RR 1.04, 95% CI 0.21 to 5.13; RD 0.00, 95% CI -0.06 to 0.07; very low quality evidence) but reported a significant reduction in the risk of refractive errors - very high myopia - at 30 months of age (211 eyes; RR 0.06, 95% CI 0.02 to 0.20; RD -0.40, 95% CI -0.50 to -0.30; low quality evidence) and recurrence of ROP by 54 weeks' postmenstrual age (143 infants; RR 0.22, 95% CI 0.08 to 0.62; RD -0.20, 95% CI -0.31 to -0.09; moderate quality evidence) in the bevacizumab group. The study found no difference in the risk of mortality before discharge from the hospital (150 infants; RR 1.50; 95% CI 0.26 to 8.75; RD 0.01; 95% CI -0.04 to 0.07; low quality evidence), mortality at 30 months of age (150 infants; RR 0.86, 95% CI 0.30 to 2.45; RD -0.01; 95% CI -0.10 to 0.08; low quality evidence), corneal opacity requiring corneal transplant (286 eyes; RR 0.34, 95% CI 0.01 to 8.26; RD -0.01; 95% CI -0.03 to 0.02; very low quality evidence), or lens opacity requiring cataract removal (286 eyes; RR 0.15, 95% CI 0.01 to 2.79; RD -0.02; 95% CI -0.05 to 0.01; very low quality evidence). The second trial that randomized eyes of the infants did not find any difference in the risk of complete retinal detachment between the eyes randomized to bevacizumab and those that were randomized to laser therapy (13 eyes; RR 0.33, 95% CI 0.01 to 7.50; RD -0.08, 95% CI -0.27 to 0.11).When used in combination with laser therapy, intravitreal pegaptanib was found to reduce the risk of retinal detachment when compared to laser/cryotherapy alone (152 eyes; RR 0.26, 95% CI 0.12 to 0.55; RD -0.29, 95% CI -0.42 to -0.16; low quality evidence). The incidence of recurrence of ROP by 55 weeks' postmenstrual age was also lower in the pegaptanib + laser therapy group (76 infants; RR 0.29, 95% CI 0.12 to 0.7; RD -0.35, 95% CI -0.55 to -0.16; low quality evidence). There was no difference in the risk of perioperative retinal haemorrhages between the two groups (152 eyes; RR 0.62, 95% CI 0.24 to 1.56; RD -0.05, 95% CI -0.16 to 0.05; very low quality evidence). The risk of delayed systemic adverse effects with either of the drugs is, however, not known. IMPLICATIONS FOR PRACTICE Intravitreal bevacizumab reduces the risk of refractive errors during childhood when used as monotherapy while intravitreal pegaptanib reduces the risk of retinal detachment when used in conjunction with laser therapy in infants with type 1 ROP. Quality of evidence was, however, low for both the outcomes because of the risk of detection and other biases. Effect on other critical outcomes and, more importantly, the long-term systemic adverse effects of the drugs are not known. The insufficient data precludes strong conclusions favouring routine use of intravitreal anti-VEGF agents in preterm infants with type 1 ROP. IMPLICATIONS FOR RESEARCH Further studies are needed to evaluate the effect of anti-VEGF agents on structural and functional outcomes in childhood and delayed systemic adverse effects such as myocardial dysfunction and adverse neurodevelopmental outcomes.
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Affiliation(s)
- Mari Jeeva Sankar
- Department of Pediatrics, ICMR Center for Advanced Research in Newborn Health, WHO Collaborating Centre for Training and Research in Newborn Care, All India Institute of Medical Sciences, New Delhi, India
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Parikh P, Bhat V. Urinary tract infection in cancer patients in a tertiary cancer setting in India: microbial spectrum and antibiotic susceptibility pattern. Antimicrob Resist Infect Control 2015. [PMCID: PMC4475055 DOI: 10.1186/2047-2994-4-s1-p221] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Tanigasalam V, Bhat V, Adhisivam B, Sridhar MG. Does therapeutic hypothermia reduce acute kidney injury among term neonates with perinatal asphyxia?--a randomized controlled trial. J Matern Fetal Neonatal Med 2015; 29:2545-8. [PMID: 26456813 DOI: 10.3109/14767058.2015.1094785] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
OBJECTIVE The objective of this study is to evaluate whether therapeutic hypothermia reduces the incidence of acute kidney injury (AKI) among term neonates perinatal asphyxia. METHODS This randomized controlled trial conducted in a tertiary care teaching hospital, south India included 120 term neonates with perinatal asphyxia who were randomized to receive either therapeutic hypothermia or standard supportive care. Renal parameters of neonates in both the groups were monitored and AKI was ascertained as per Acute Kidney Injury Network criteria. RESULTS The incidence of AKI was less in therapeutic hypothermia group compared to standard treatment group (32% versus 60%, p < 0.05). The incidence of Stages 1, 2, and 3 AKI was 22%, 5%, and 5% in therapeutic hypothermia group compared with 52%, 5%, and 3%, respectively, in the standard treatment group. The mortality was less in therapeutic hypothermia group compared with the standard treatment group (26% versus 50%, p < 0.05). CONCLUSION Therapeutic hypothermia reduces the incidence and severity of AKI among term neonates with perinatal asphyxia.
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Affiliation(s)
| | | | | | - M G Sridhar
- b Department of Biochemistry , Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER) , Pondicherry , India
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Bhat V, Nagarjuna M, Belaval V, Shetty S, Salins PC. Cysticercosis of the masseter: Author response. Dentomaxillofac Radiol 2015; 44:20150133. [DOI: 10.1259/dmfr.20150133] [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: 11/05/2022] Open
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Devadas SK, Bhat V, Khattry N. Subcutaneous infection caused by Blastoschizomyces capitatus post allogeneic hematopoietic transplant and its successful treatment with voriconazole. Transpl Infect Dis 2015; 17:588-92. [PMID: 26012493 DOI: 10.1111/tid.12404] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 12/23/2014] [Revised: 03/24/2015] [Accepted: 05/05/2015] [Indexed: 11/30/2022]
Abstract
We describe a 33-year-old man with relapsed acute myelogenous leukemia who developed subcutaneous nodules >6 months after allogeneic hematopoietic stem cell transplant. These nodules were caused by Blastoschizomyces capitatus. The lesions progressed after treatment with a posaconazole suspension. The lesions resolved after switching to voriconazole, which was given for 21 weeks. B. capitatus is a rare infection affecting immunocompromised patients, which responds to azoles.
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Affiliation(s)
- S K Devadas
- Medical Oncology, Tata Memorial Center, Mumbai, India
| | - V Bhat
- Medical Oncology, Tata Memorial Center, Mumbai, India
| | - N Khattry
- Medical Oncology, Tata Memorial Center, Mumbai, India
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Abstract
OBJECTIVE To find out whether gDNA methylation can be used as a diagnostic/prognostic method for neonatal sepsis. METHODS The study was conducted in the neonatal division of a tertiary care referral hospital. Fifty one newborns as cases and thirty seven newborns as controls were enrolled in the study. Using 5-mC DNA ELISA method, the percentage of genomic DNA methylated in these newborns was established. RESULTS Highly significant difference in percentage of gDNA methylated was found between the cases and controls (Cases: 2.4 ± 0.39; CONTROLS 2.07 ± 0.35; P < 0.0001). Culture proven and possible cases were also significantly distinguishable (P < 0.05). No significant differences in methylation were observed in terms of gestational age, birth weight and outcomes such shock, thrombocytopenia, except for renal failure. CONCLUSIONS The index results showed that genomic DNA methylation varies significantly among newborns with sepsis (clinical, probable and culture positive) and without sepsis. Although the global DNA methylation was not a highly sensitive diagnostic method, this study reveals that DNA methylation might play a vital role in neonatal sepsis susceptibility. Identification of the specific differentially methylated genes might serve as a promising future diagnostic/prognostic marker for neonatal sepsis.
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Affiliation(s)
- Benet Bosco Dhas
- Department of Pediatrics, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry, India
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Abstract
Cysticercal involvement of the masseter is an uncommon manifestation of a relatively common parasitic infestation. Sonographic evaluation of many isolated cases of cysticercosis has been extensively described. However, there are scanty reports on MRI appearance of cysticercal involvement of the masseter. This report presents classical imaging appearance of cysticercal involvement of the masseter on sonography and MRI. The pattern of the disease and MRI appearance of lesions in the masseter, highlighting the role of diffusion-weighted images, are described.
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Affiliation(s)
- V Bhat
- Department of Radiology, Narayana Health, Narayana Multispeciality Hospital, Shaw Muzumdar Cancer Center, Bengaluru, Karnataka, India
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Bhat V, Kuppuswamy M, Santosh Kumar DG, Bhat V, Karthik GA. Pneumoparotid in "puffed cheek" computed tomography: incidence and relation to oropharyngeal conditions. Br J Oral Maxillofac Surg 2014; 53:239-43. [PMID: 25542285 DOI: 10.1016/j.bjoms.2014.11.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 04/20/2014] [Accepted: 11/27/2014] [Indexed: 10/24/2022]
Abstract
Pneumoparotid is common in patients with lesions of the oral cavity who have diagnostic computed tomography (CT) with the "puffed cheek" technique. Although such observations are often noted, we could find few papers about the incidence in relation to oropharyngeal conditions. We present a retrospective series of 47/300 patients who developed pneumoparotid during multidetector CT examination of the oropharyngeal region to assess the incidence and any possible correlation with regional disease. Patients were followed up for any symptoms and also for complications. In 14 patients the pneumoparotid was right-sided, in 17 left-sided, and in 16 it was bilateral. There was a significant association between the incidence of pneumoparotid and the site of disease, it being stronger (p<0.001) with lesions in the oral cavity than with those in the oropharynx and hypopharynx. Apart from brief discomfort, none of the patients had any symptoms after the procedure. In summary, pneumoparotid developed in 47/300 (16%) of our patients after multidetector CT when the "puffed cheek" technique was used, and was more common in patients with lesions of the oral cavity and anterior tongue than among patients with lesions of the oropharyngeal, nasopharyngeal, and hypopharyngeal regions. Few patients experienced transient fullness immediately after the procedure. None of our patients had lasting or infective symptoms.
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Affiliation(s)
- V Bhat
- Department of Radiology, Narayana Health, Narayana Multispeciality Hospital, Shaw Mazumdar Cancer Center Bangalore, Bommasandra, India.
| | - M Kuppuswamy
- Department of Radiology, Narayana Health, Narayana Multispeciality Hospital, Shaw Mazumdar Cancer Center Bangalore, Bommasandra, India.
| | - D G Santosh Kumar
- Department of Radiology, Narayana Health, Narayana Multispeciality Hospital, Shaw Mazumdar Cancer Center Bangalore, Bommasandra, India.
| | - V Bhat
- Department of Radiology, Narayana Health, Narayana Multispeciality Hospital, Shaw Mazumdar Cancer Center Bangalore, Bommasandra, India.
| | - G A Karthik
- Department of Radiology, Narayana Health, Narayana Multispeciality Hospital, Shaw Mazumdar Cancer Center Bangalore, Bommasandra, India.
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Rameshkumar R, Mahadevan S, Ganesh RN, Narayanan P, Bhat V. Histopathological changes in septic acute kidney injury in critically ill children: an observational analytical study of postmortem renal biopsies. Crit Care 2014. [PMCID: PMC4273878 DOI: 10.1186/cc14051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023] Open
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Gane BD, Bhat V, Rao R, Nandhakumar S, Harichandrakumar KT, Adhisivam B. Effect of therapeutic hypothermia on DNA damage and neurodevelopmental outcome among term neonates with perinatal asphyxia: a randomized controlled trial. J Trop Pediatr 2014; 60:134-40. [PMID: 24343823 DOI: 10.1093/tropej/fmt098] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To study the effect of therapeutic hypothermia (TH) on deoxyribonucleic acid (DNA) damage and the neurodevelopmental outcome in term babies with perinatal asphyxia. METHODS Babies in the hypothermia group were cooled for the first 72 h, using gel packs. Rectal temperature of 33-34°C was maintained. Blood sample was collected before, at 36 h and after completion of TH for assessment of comet assay and 8-hydroxy2-deoxyguanosine (8-OHdG). Infants were followed up till 12 months. RESULTS Baseline parameters were similar. After 72 h, the hypothermia group showed lower olive tail moment (12.88 ± 2.14) than the control group (22.16 ± 5.26) (p < 0.001). 8-HDG levels increased significantly in the control group (1252.87 ± 357.07) as compared to the hypothermia group (757.03 ± 198.49) (p < 0.001). Neurodevelopmental assessment at 12 months showed significantly low motor and mental developmental quotient in the control than hypothermia group. CONCLUSIONS TH reduces oxidative stress-induced DNA damage and improves neurodevelopmental outcome. <Trial registration No: CTRI/2011/10/002094>
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Affiliation(s)
- Bahubali D Gane
- Division of Neonatology, Department of Pediatrics, Jawaharlal Institute of Post-graduate Medical Education and Research (JIPMER), Pondicherry 605 006, India
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von Drygalski A, Cramer TJ, Bhat V, Griffin JH, Gale AJ, Mosnier LO. Improved hemostasis in hemophilia mice by means of an engineered factor Va mutant. J Thromb Haemost 2014; 12:363-72. [PMID: 24818532 PMCID: PMC4161283 DOI: 10.1111/jth.12489] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2013] [Accepted: 12/02/2013] [Indexed: 11/30/2022]
Abstract
BACKGROUND Factor (F)VIIa-based bypassing not always provides sufficient hemostasis in hemophilia. OBJECTIVES To investigate the potential of engineered activated factor V (FVa) variants as bypassing agents in hemophilia A. METHODS Activity of FVa variants was studied in vitro using prothrombinase assays with purified components and in FV- and FVIII-deficient plasma using clotting and thrombin generation assays. In vivo bleed reduction after the tail clip was studied in hemophilia A mice. RESULTS AND CONCLUSIONS FVa mutations included a disulfide bond connecting the A2 and A3 domains and ones that rendered FVa resistant to inactivation by activated protein C (APC). '(super) FVa,' a combination of the A2-A3 disulfide (A2-SS-A3) to stabilize FVa and of APC-cleavage site mutations (Arg506/306/679Gln), had enhanced specific activity and complete APC resistance compared with wild-type FVa, FVL eiden (Arg506Gln), or FVaL eiden (A2-SS-A3). Furthermore, (super) FVa potently increased thrombin generation in vitro in FVIII-deficient plasma. In vivo, (super) FVa reduced bleeding in FVIII-deficient mice more effectively than wild-type FVa. Low-dose (super) FVa, but not wild-type FVa, decreased early blood loss during the first 10 min by more than two-fold compared with saline and provided bleed protection for the majority of mice, similar to treatments with FVIII. During the second 10 min after tail cut, (super) FVa at high dose, but not wild-type FVa, effectively reduced bleeding. These findings suggest that (super) FVa enhances not only clot formation but also clot stabilization. Thus, (super) FVa efficiently improved hemostasis in hemophilia in vitro and in vivo and may have potential therapeutic benefits as a novel bypassing agent in hemophilia.
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Affiliation(s)
- A von Drygalski
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA, USA; Division of Hematology/Oncology, Department of Medicine, University California San Diego, San Diego, CA, USA
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Namdev S, Bhat V, Adhisivam B, Zachariah B. Oxidative stress and antioxidant status among neonates born to mothers with pre-eclampsia and their early outcome. J Matern Fetal Neonatal Med 2013; 27:1481-4. [DOI: 10.3109/14767058.2013.860521] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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