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Sharma C, Kumar S, Saripalli G, Jain N, Raghuvanshi S, Sharma JB, Prabhu KV, Sharma PK, Balyan HS, Gupta PK. H3K4/K9 acetylation and Lr28-mediated expression of six leaf rust responsive genes in wheat (Triticum aestivum). Mol Genet Genomics 2018; 294:227-241. [PMID: 30298213 DOI: 10.1007/s00438-018-1500-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 09/28/2018] [Indexed: 10/28/2022]
Abstract
Development of leaf rust-resistant cultivars is a priority during wheat breeding, since leaf rust causes major losses in yield. Resistance against leaf rust due to Lr genes is partly controlled by epigenetic modifications including histone acetylation that is known to respond to biotic/abiotic stresses. In the present study, enrichment of H3K4ac and H3K9ac in promoters of six defense responsive genes (N-acetyltransferase, WRKY 40, WRKY 70, ASR1, Peroxidase 12 and Sarcosine oxidase) was compared with their expression in a pair of near-isogenic lines (NILs) for the gene Lr28 following inoculation with leaf rust pathotype '77-5'; ChIP-qPCR was used for this purpose. The proximal and distal promoters of these genes contained a number of motifs that are known to respond to biotic stresses. The enrichment of two acetylation marks changed with passage of time; changes in expression of two of the six genes (N-acetyltransferase and peroxidase12), largely matched with changes in H3K4/H3K9 acetylation patterns of the two promoter regions. For example, enrichment of both the marks matched with higher expression of N-acetyltransferase gene in susceptible NIL and the deacetylation (H3K4ac) largely matched with reduced gene expression in resistant NIL. In peroxidase12, enrichment of H3K4ac and H3K9ac largely matched with higher expression in both the NILs. In the remaining four genes, changes in H3 acetylation did not always match with gene expression levels. This indicated complexity in the regulation of the expression of these remaining four genes, which may be controlled by other epigenetic/genetic regulatory mechanisms that need further analysis.
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Sharma C, Saripalli G, Kumar S, Gautam T, Kumar A, Rani S, Jain N, Prasad P, Raghuvanshi S, Jain M, Sharma JB, Prabhu KV, Sharma PK, Balyan HS, Gupta PK. A study of transcriptome in leaf rust infected bread wheat involving seedling resistance gene Lr28. FUNCTIONAL PLANT BIOLOGY : FPB 2018; 45:1046-1064. [PMID: 32291004 DOI: 10.1071/fp17326] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Accepted: 04/09/2018] [Indexed: 05/02/2023]
Abstract
Leaf rust disease causes severe yield losses in wheat throughout the world. During the present study, high-throughput RNA-Seq analysis was used to gain insights into the role of Lr28 gene in imparting seedling leaf rust resistance in wheat. Differential expression analysis was conducted using a pair of near-isogenic lines (NILs) (HD 2329 and HD 2329+Lr28) at early (0h before inoculation (hbi), 24 and 48h after inoculation (hai)) and late stages (72, 96 and 168 hai) after inoculation with a virulent pathotype of pathogen Puccinia triticina. Expression of a large number of genes was found to be affected due to the presence/absence of Lr28. Gene ontology analysis of the differentially expressed transcripts suggested enrichment of transcripts involved in carbohydrate and amino acid metabolism, oxidative stress and hormone metabolism, in resistant and/or susceptible NILs. Genes encoding receptor like kinases (RLKs) (including ATP binding; serine threonine kinases) and other kinases were the most abundant class of genes, whose expression was affected. Genes involved in reactive oxygen species (ROS) homeostasis and several genes encoding transcription factors (TFs) (most abundant being WRKY TFs) were also identified along with some ncRNAs and histone variants. Quantitative real-time PCR was also used for validation of 39 representative selected genes. In the long term, the present study should prove useful in developing leaf rust resistant wheat cultivars through molecular breeding.
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Patra S, Roy E, Madhuri R, Sharma PK. Retracted: Imprinted ZnO nanostructure-based electrochemical sensing of calcitonin: A clinical marker for medullary thyroid carcinoma. Anal Chim Acta 2018; 1023:121. [PMID: 29754602 DOI: 10.1016/j.aca.2018.04.063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Editor following concerns raised by various readers. The article reports different electron micrographs for different sample preparations, but some images are of different areas from the same sample. Figure 4E is a magnified section of Figure 4C, and the images are identical as demonstrated by overlapping the images and adjusting for magnification scale. The article reports EDX spectra in Figure 5C and Figure 5D for samples that are reported as different. An overlay of the spectra indicate they are identical in magnitude and in the random fluctuations of noise except in the specific zones where the signal was expected to vary. These problems with the data presented cast doubt on all the data, and accordingly also the conclusions based on that data, in this publication. As such this article represents a severe abuse of the scientific publishing system. The scientific community takes a very strong view on this matter and apologies are offered to readers of the journal that this was not detected during the submission process.
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Khan RM, Kaul N, Sharma PK, Haris A, Nair S. Throat packs inserted by anaesthetists. Anaesthesia 2018; 73:1174. [PMID: 30132820 DOI: 10.1111/anae.14405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Patra S, Roy E, Choudhary R, Tiwari A, Madhuri R, Sharma PK. Retraction notice to "Graphene quantum dots decorated CdS doped graphene oxide sheets in dual action mode: as initiator and platform for designing of nimesulide imprinted polymer " [BIOS 89P1 (2017) 627-635]. Biosens Bioelectron 2018; 114:89. [PMID: 29884288 DOI: 10.1016/j.bios.2018.05.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Roy E, Patra S, Tiwari A, Madhuri R, Sharma PK. Retraction notice to Single cell imprinting on the surface of Ag–ZnO bimetallic nanoparticle modified graphene oxide sheets for targeted detection, removal and photothermal killing of E. Coli Biosensors and Bioelectronics Volume 89, Part 1, 15 March 2017, Pages 620-626. Biosens Bioelectron 2018; 112:216. [DOI: 10.1016/j.bios.2018.04.060] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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de Vries SAH, van Doeselaar M, Kaper HJ, Sharma PK, Ito K. Notochordal cell matrix as a bioactive lubricant for the osteoarthritic joint. Sci Rep 2018; 8:8875. [PMID: 29891965 PMCID: PMC5995895 DOI: 10.1038/s41598-018-27130-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 05/24/2018] [Indexed: 11/08/2022] Open
Abstract
Notochordal cell derived matrix (NCM) can induce regenerative effects on nucleus pulposus cells and may exert such effects on chondrocytes as well. Furthermore, when dissolved at low concentrations, NCM forms a viscous fluid with potential lubricating properties. Therefore, this study tests the feasibility of the use of NCM as a regenerative lubricant for the osteoarthritic joint. Chondrocyte-seeded alginate beads were cultured in base medium (BM), BM with NCM (NCM), or BM with TGF-β1 (TGF), as well as BM and NCM treated with IL-1β. NCM increased GAG deposition and cell proliferation (stronger than TGF), and GAG/DNA ratio and hydroxyproline content (similar to TGF). These effects were maintained in the presence of IL-1β. Moreover, NCM mitigated expression of IL-1β-induced IL-6, IL-8, ADAMTS-5 and MMP-13. Reciprocating sliding friction tests of cartilage on glass were performed to test NCM's lubricating properties relative to hyaluronic acid (HA), and showed a dose-dependent reduction in coefficient of friction with NCM, similar to HA. NCM has anabolic and anti-inflammatory effects on chondrocytes, as well as lubricating properties. Therefore, intra-articular NCM injection may have potential as a treatment to minimize pain while restoring the affected cartilage tissue in the osteoarthritic joint.
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van der Westen R, Sjollema J, Molenaar R, Sharma PK, van der Mei HC, Busscher HJ. Floating and Tether-Coupled Adhesion of Bacteria to Hydrophobic and Hydrophilic Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:4937-4944. [PMID: 29649869 PMCID: PMC5942874 DOI: 10.1021/acs.langmuir.7b04331] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Revised: 03/20/2018] [Indexed: 06/08/2023]
Abstract
Models for bacterial adhesion to substratum surfaces all include uncertainty with respect to the (ir)reversibility of adhesion. In a model, based on vibrations exhibited by adhering bacteria parallel to a surface, adhesion was described as a result of reversible binding of multiple bacterial tethers that detach from and successively reattach to a surface, eventually making bacterial adhesion irreversible. Here, we use total internal reflection microscopy to determine whether adhering bacteria also exhibit variations over time in their perpendicular distance above surfaces. Streptococci with fibrillar surface tethers showed perpendicular vibrations with amplitudes of around 5 nm, regardless of surface hydrophobicity. Adhering, nonfibrillated streptococci vibrated with amplitudes around 20 nm above a hydrophobic surface. Amplitudes did not depend on ionic strength for either strain. Calculations of bacterial energies from their distances above the surfaces using the Boltzman equation showed that bacteria with fibrillar tethers vibrated as a harmonic oscillator. The energy of bacteria without fibrillar tethers varied with distance in a comparable fashion as the DLVO (Derjaguin, Landau, Verwey, and Overbeek)-interaction energy. Distance variations above the surface over time of bacteria with fibrillar tethers are suggested to be governed by the harmonic oscillations, allowed by elasticity of the tethers, piercing through the potential energy barrier. Bacteria without fibrillar tethers "float" above a surface in the secondary energy minimum, with their perpendicular displacement restricted by their thermal energy and the width of the secondary minimum. The distinction between "tether-coupled" and "floating" adhesion is new, and may have implications for bacterial detachment strategies.
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Roy E, Patra S, Madhuri R, Sharma PK. Retraction of “Anisotropic Gold Nanoparticle Decorated Magnetopolymersome: An Advanced Nanocarrier for Targeted Photothermal Therapy and Dual-Mode Responsive T1 MRI Imaging”. ACS Biomater Sci Eng 2018. [DOI: 10.1021/acsbiomaterials.8b00123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Sinha S, Verma G, Sharma PK, Ahuja A. Wolf's isotopic nonresponse in healed herpes zoster in erythroderma. Indian J Dermatol Venereol Leprol 2018; 84:217-220. [PMID: 29393080 DOI: 10.4103/ijdvl.ijdvl_1170_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Das TR, Patra S, Madhuri R, Sharma PK. Bismuth oxide decorated graphene oxide nanocomposites synthesized via sonochemical assisted hydrothermal method for adsorption of cationic organic dyes. J Colloid Interface Sci 2018; 509:82-93. [DOI: 10.1016/j.jcis.2017.08.102] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 08/30/2017] [Accepted: 08/30/2017] [Indexed: 12/07/2022]
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Collier S, Pandis N, Johal A, Qureshi U, Sharma PK, Fleming PS. A prospective cohort study assessing the appearance of retrieved aesthetic orthodontic archwires. Orthod Craniofac Res 2017; 21:27-32. [PMID: 29205804 DOI: 10.1111/ocr.12207] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/05/2017] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To investigate the appearance of three esthetic nickel titanium (NiTi) wires after 6 weeks of intra-oral cycling and to determine the association between objective and subjective measures of esthetics. SETTING AND SAMPLE POPULATION A prospective cohort study was undertaken involving participants undergoing upper fixed orthodontic appliance treatment with ceramic brackets. MATERIALS AND METHODS Fifty participants were assigned to one of three groups of NiTi esthetic wires (American Orthodontics Ever White™, Forestadent Biocosmetic™ and GAC High Aesthetic™), with wires retrieved after 6 weeks in situ. Participants completed a bespoke questionnaire exploring perceptions of wire esthetics. Objective measurement of coating loss was undertaken using a custom arch wire jig. RESULTS American Orthodontics Ever White™ had the greatest mean coating loss (50.7%) followed by Forestadent Biocosmetic™ (6%), with GAC High Aesthetic TM undergoing minimal loss (0.07%) (P < .001). The majority of coating loss with the American Orthodontics Ever White™ wires arose in the anterior region while Forestadent Biocosmetic™ wires and GAC High Aesthetic™ wires exhibited coating loss posteriorly (P < .001). These findings were reflected in the subjective assessment with a negative correlation found between coating loss and final Visual Analogue Scale scores (P < .001). CONCLUSIONS Considerable esthetic variation between arch wires following 6 weeks of intraoral cycling was identified in this prospective cohort study. Intraoral cycling has a negative impact on participant perception of arch wire esthetics, and objective and subjective assessment of wire esthetics appears to be consistent.
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Sharma PK, Willems TP, Touw DJ, Woudstra W, Erasmus ME, Ebels T. Reply. Ann Thorac Surg 2017; 104:2121-2122. [PMID: 29153793 DOI: 10.1016/j.athoracsur.2017.04.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 04/24/2017] [Indexed: 10/18/2022]
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Patra S, Roy E, Parui R, Madhuri R, Sharma PK. RETRACTED: Anisotropic (spherical/hexagon/cube) silver nanoparticle embedded magnetic carbon nanosphere as platform for designing of tramadol imprinted polymer. Biosens Bioelectron 2017; 97:208-217. [DOI: 10.1016/j.bios.2017.06.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 05/23/2017] [Accepted: 06/04/2017] [Indexed: 11/30/2022]
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Majd SE, Rizqy AI, Kaper HJ, Schmidt TA, Kuijer R, Sharma PK. An in vitro study of cartilage-meniscus tribology to understand the changes caused by a meniscus implant. Colloids Surf B Biointerfaces 2017; 155:294-303. [PMID: 28437755 DOI: 10.1016/j.colsurfb.2017.04.034] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 04/12/2017] [Accepted: 04/13/2017] [Indexed: 10/19/2022]
Abstract
Active lifestyles increase the risk of meniscal injury. A permanent meniscus implant of polycarbonate urethane (PCU) is a promising treatment to postpone/prevent total knee arthroplasty. Study of the changes in articular cartilage tribology in the presence of PCU is essential in developing the optimum meniscus implant. Therefore, a cartilage-meniscus reciprocating, sliding model was developed in vitro, mimicking the stance and swing phases of the gait cycle. The meniscus was further replaced with PCU and surface-modified PCUs (with C18 chains, mono-functional polydimethylsiloxane groups and mono-functional polytetrafluoroethylene groups) to study the changes. The coefficient of friction (COF) was calculated, and cartilage wear was determined and quantified histologically. The cartilage-meniscus sliding resulted in low COF during both stance and swing (0.01< COF <0.12) and low wear of cartilage (scores <1). The cartilage-PCU sliding, during stance, revealed similar low COFs. But during swing, the COFs were high (average ∼1, maximum 1.6), indicating a breakdown in interstitial fluid pressurization lubrication and non-effective activation of the boundary lubrication. This may lead to wear of cartilage in long term. However, under the tested conditions the wear of cartilage against PCUs was not higher than its wear against meniscus, and the cartilage was occasionally damaged. The COF decreased with increasing the contact pressure (as-per a power equation) up to 1MPa. The changes in the surface modification of PCU did not affect PCU's tribological performance.
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Roy E, Patra S, Madhuri R, Sharma PK. Anisotropic Gold Nanoparticle Decorated Magnetopolymersome: An Advanced Nanocarrier for Targeted Photothermal Therapy and Dual-Mode Responsive T1 MRI Imaging. ACS Biomater Sci Eng 2017; 3:2120-2135. [DOI: 10.1021/acsbiomaterials.7b00089] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Gupta N, Gupta DK, Sharma PK. Condition factor and organosomatic indices of parasitized Rattus rattus as indicators of host health. J Parasit Dis 2017; 41:21-28. [PMID: 28316383 DOI: 10.1007/s12639-015-0744-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2015] [Accepted: 10/07/2015] [Indexed: 11/30/2022] Open
Abstract
This study describes the influence of parasitism (Trypanosoma lewisi and Cysticercus fasciolaris) on the condition factor, hepato and splenosomatic indices of the common house rat, Rattus rattus Linnaeus, 1758 from Rohilkhand, Uttar Pradesh, India. Examination of R. rattus (n = 389) revealed T. lewisi (prevalence 12.40 %; intensity14 parasites/1000 RBC) from the blood and C. fasciolaris (larval Taenia taeniaeformis) (prevalence 46.70 %; intensity 2-4 par/host) from the liver. Condition factor (K) and organosomatic indices [hepatosomatic index, spleenosomatic index (SSI)] were evaluated in two groups (Group I non pregnant, Group II pregnant) of female rats which were further subdivided into four subgroups each (a Uninfected, b T. lewisi infected, c C. fasciolaris infected, d T. lewisi and C. fasciolaris infected) belonging to three weight groups (A 50-100 g; B 100-150 g; C 150-200 g). The results indicated that reduction in K-factor was more apparent in young rats, Group Ic (weight category A) showing the maximum depletion (21.62 %), hepatomegaly and splenomegaly were frequent outcomes of parasitic infection and maximum change (50 %) was recorded in dual-infected pregnant rats (Group IId) expressed as SSI of the infected rat. The abnormal condition factor and organosomatic indices indicate perturbations in the biological systems at the organismal level. Thus, the information generated through this piece of work is a warning of an incipient or impending problem.
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Patra S, Roy E, Madhuri R, Sharma PK. The next generation cell-penetrating peptide and carbon dot conjugated nano-liposome for transdermal delivery of curcumin. Biomater Sci 2017; 4:418-29. [PMID: 26631310 DOI: 10.1039/c5bm00433k] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
To overcome the problems associated with conventional liposomes in transdermal drug delivery like limited penetration ability and poor stability, in this article we report a new generation of cell penetrating peptide polyarginine containing nano-liposomes conjugated with carbon dots. The newly synthesized, cost-effective liposomic precursors were used for the fabrication of liposomes. The resulting liposomes have a bilayer structure like that of conventional liposomes with much smaller size, higher stability, and high penetration ability. The nano-liposomes show high stability at room temperature for three months without any change in size or encapsulation efficiency. The incorporation of carbon dots also opens up their application in fluorescence cell imaging studies, which is very well supported by the fluorescence microscopic analysis of the liposome skin penetration. The as-prepared nano-liposomes do not show any cytotoxicity for MCF-7 cells, even at high concentrations; however, when drug loaded liposomes are applied, they can kill the cancer cells with a high rate. The synthesized nano-liposomes have the potential to be used as an efficient, stable, biocompatible nanocarrier for transdermal drug delivery.
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Puri P, Kaur N, Pathania S, Kumar S, Sharma PK, Sashindran VK. Antitubercular therapy induced liver function tests abnormalities in human immunodeficiency virus infected individuals. Med J Armed Forces India 2017; 73:12-17. [PMID: 28123239 DOI: 10.1016/j.mjafi.2016.12.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Accepted: 12/03/2016] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Both antitubercular therapy (ATT) and antiretroviral therapy (ART) can cause drug induced liver injury (DILI) in tuberculosis (TB) and human immunodeficiency virus (HIV) coinfection. The aim of this research was to study ATT-induced liver function test (LFT) abnormalities in HIV-infected patients. METHODS HIV-infected patients diagnosed with TB were evaluated with baseline LFT and CD4 counts. ATT regimen was modified if baseline LFT was significantly abnormal. Patients on protease inhibitors were given rifabutin instead of rifampicin. In patients on nevirapine-based ART, efavirenz was substituted for nevirapine. In ART-naive patients, the timing of introduction of ART was according to CD4 cell counts. LFT were repeated fortnightly or as clinically indicated for 10 weeks. RESULTS We studied 100 patients with HIV ([M - 67, F - 23], mean age: 40.05 ± 10.75 years, mean CD4 cell count: 239.157 ± 228.49 cells/dL). Sixty-one patients were on ART prior to diagnosis of TB. Baseline LFT abnormalities (n = 40) were similar in ART and non-ART group (28/61 vs 12/39, p = 0.13). After starting ATT, derangement of LFT was observed in majority of patients (99/100). However, liver sparing ATT was required only in 15 patients. Bilirubin >2.5 mg/dL was seen only in 9 patients. Significant rise in transaminases was commoner in patients on concurrent ART and ATT (p = 0.044) and with baseline LFT abnormalities (p = 0.00016). There was no case of acute liver failure or mortality. CONCLUSION Mild LFT abnormalities are common in HIV-infected individuals on ATT. Concomitant use of ATT and ART and baseline LFT abnormalities increase the risk of significant DILI. However, with closer follow-up, serious liver injury can be prevented.
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Arora P, Meena N, Sharma PK, Raihan M. Impact of melasma on quality of life in Indian patients. PIGMENT INTERNATIONAL 2017. [DOI: 10.4103/2349-5847.219683] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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van der Westen R, Sharma PK, De Raedt H, Vermue I, van der Mei HC, Busscher HJ. Elastic and viscous bond components in the adhesion of colloidal particles and fibrillated streptococci to QCM-D crystal surfaces with different hydrophobicities using Kelvin–Voigt and Maxwell models. Phys Chem Chem Phys 2017; 19:25391-25400. [DOI: 10.1039/c7cp04676f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Analysis of initial bacterial adhesion using phenomenological models such as the Kelvin–Voigt model and the Maxwell model.
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Choudhary R, Patra S, Madhuri R, Sharma PK. RETRACTED: Designing of carbon based fluorescent nanosea-urchin via green-synthesis approach for live cell detection of zinc oxide nanoparticle. Biosens Bioelectron 2016; 91:472-481. [PMID: 28068608 DOI: 10.1016/j.bios.2016.12.067] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 12/28/2016] [Accepted: 12/30/2016] [Indexed: 01/09/2023]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal).
This article has been retracted at the request of Editor following concerns raised by a reader.
There are significant concerns regarding the originality of the electron micrographs displayed in Fig. 1 (panels B-G, especially C). The concern is that these multi-particle images are comprised of copies of the same particles.
These problems with the data presented cast doubt on all the data, and accordingly also the conclusions based on that data, in this publication.
As such this article represents a severe abuse of the scientific publishing system. The scientific community takes a very strong view on this matter and apologies are offered to readers of the journal that this was not detected during the submission process
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Mondal S, Madhuri R, Sharma PK. Electrochemical sensing of cyanometalic compound using TiO2/PVA nanocomposite-modified electrode. J APPL ELECTROCHEM 2016. [DOI: 10.1007/s10800-016-1022-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Thakur M, Asrani RK, Thakur S, Sharma PK, Patil RD, Lal B, Parkash O. Observations on traditional usage of ethnomedicinal plants in humans and animals of Kangra and Chamba districts of Himachal Pradesh in North-Western Himalaya, India. JOURNAL OF ETHNOPHARMACOLOGY 2016; 191:280-300. [PMID: 27321279 DOI: 10.1016/j.jep.2016.06.033] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 05/25/2016] [Accepted: 06/09/2016] [Indexed: 06/06/2023]
Abstract
ETHNOBOTANICAL RELEVANCE Medicinal plants are frequently used by Gaddi and Gujjar tribes of Kangra and Chamba districts of Himachal Pradesh, India to cure various ailments in humans and livestock. Therefore, extensive field work was conducted to document the traditional use of ethnomedicinal plants by these tribes. MATERIALS AND METHODS Direct interviews of 208 informants were conducted. The data generated through interviews was analysed using quantitative tools such as use-value (UV), factor informant consensus (Fic) and fidelity level (Fl). RESULTS A total of 73 plant species in 67 genera and 40 families were observed to be medicinal and used to cure 22 ailment categories. The highest number of ethnomedicinal plants was recorded from the family Asteraceae followed by Lamiaceae, Apiaceae, Acanthaceae, Caesalpiniaceae, Polygonaceae, Ranunculaceae, Rosaceae and Rutaceae. Leaves were the most frequently used plant part used to treat various ailments followed by whole plant and roots or rhizomes. Ajuga parviflora, Berberis lycium, Viola canescens, Vitex negundo and Zanthoxylum armatum were the most important medicinal plants used for treating human diseases, whereas Achyranthes bidentata, Aloe sp., Cassia fistula, Podophyllum hexandrum and Pogostemon benghalensis were the most important medicinal plants used for treating animal diseases as per use value. The important ailment categories classified on the basis of factor informant consensus were gastrointestinal and respiratory disorders. CONCLUSION The present study revealed that people of the study area are extensively using the ethnomedicinal plants to cure various ailments. Plants with high use value and fidelity level should be subjected to pharmacological investigation for scientific validation.
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Sharma PK, Singh DK. A Traditional NSAID Aspirin along with Clofazimine in Erythema Nodosum Leprosum Reaction: Study of Six Cases. INDIAN JOURNAL OF LEPROSY 2016; 87:249-253. [PMID: 29762954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Six male patients of lepromatous leprosy with erythema nodosum leprosum reaction (ENL) reactions diagnosed clinically and by slit skin smear were treated with aspirin and clofazimine. Aspirin was given in the daily dosage of 75mg/kg body weight up to a maximum of 2.8 grams in four divided doses, along with daily 300mg clofazimine in three divided doses and dapsone 100mg daily with rifampicin 600mg once a month. Aspirin was continued in the same dosage for a month before being tapered and stopped at the end of third month when clofazimine was also reduced to 50 mg daily. All the six cases had an excellent response in 15 days.
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