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Ananthi V, Siva Prakash G, Mohan Rasu K, Gangadevi K, Boobalan T, Raja R, Anand K, Sudhakar M, Chuturgoon A, Arun A. Comparison of integrated sustainable biodiesel and antibacterial nano silver production by microalgal and yeast isolates. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 186:232-242. [PMID: 30092559 DOI: 10.1016/j.jphotobiol.2018.07.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 07/14/2018] [Accepted: 07/23/2018] [Indexed: 01/19/2023]
Abstract
Microalgal isolates (Chlorella sp. and Spirulina sp.) and yeast isolates (Candida albicans and Saccharomyces sp.) were employed as the resources of biodiesel production and silver nanoparticle synthesis. The prominent peaks of the FTIR spectrum accustomed the efficient lipid property. The developed profile containing fatty acid methyl ester (FAME) displayed the elevated amount of both saturated (C15:0, C17:0, C21:0) and unsaturated (C17:1, C18:2, C20:4) fatty acids. The physicochemical properties analyzed by using Biodiesel analyzer V1.1.software, confirmed the competency of the isolates for sustainable biodiesel production. Biosynthesis of silvernanoparticles (AgNPs) were accomplished extracellularly by using supernatant of microalgal and yeast culture. The maximum absorbance at 420 and 421 nm under UV-visible spectra showed the presence of nanoparticles. The purity of the synthesized AgNPs were analyzed by XRD analysis. The elemental silver presence was affirmed by EDAX, SEM and AFM, the results revealed spherical crystalline shaped nanoparticles of size ranging from 2.0 to 7.3 nm. The antimicrobial efficacy of the silver nanoparticles (AgNPs) against various clinical pathogens which includes Bacillus sp., E. coli, Klebsiella sp., Proteus sp. and Staphylococcus aureus were observed. However, enhanced antimicrobial activity was displayed by the AgNPs, produced by Candida albicans (12 mm) against Bacillus sp., and E.coli, the nanoparticle produced by Chlorella sp. showed the least antagonistic activity (07 mm).
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Patted S, Porwal S, Ambar S, Anand K, Nikhil B. Mechanical dyssynchrony in patients with LBBB by 2D speckle tracking and real time 3D echocardiography. Indian Heart J 2017. [DOI: 10.1016/j.ihj.2017.09.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Anand K, Kaviyarasu K, Muniyasamy S, Roopan SM, Gengan RM, Chuturgoon AA. Bio-Synthesis of Silver Nanoparticles Using Agroforestry Residue and Their Catalytic Degradation for Sustainable Waste Management. J CLUST SCI 2017. [DOI: 10.1007/s10876-017-1212-2] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Anand K, Singh T, Madhumitha G, Phulukdaree A, Gengan RM, Chuturgoon A. Biosynthesis and computational analysis of amine-ended dual thiol ligand functionalized gold nanoparticles for conventional spectroscopy detection of melamine. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 169:75-82. [DOI: 10.1016/j.jphotobiol.2017.02.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 02/07/2017] [Accepted: 02/14/2017] [Indexed: 10/20/2022]
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Jaiyeola AO, Anand K, Kasumbwe K, Ramesh M, Gengan RM. Catalytic synthesis of α-amino chromone phosphonates and their antimicrobial, toxicity and potential HIV-1 RT inhibitors based on silico screening. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 166:136-147. [PMID: 27915028 DOI: 10.1016/j.jphotobiol.2016.11.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Accepted: 11/16/2016] [Indexed: 01/25/2023]
Abstract
The α-amino phosphonates exhibit a wide range of biological properties which create demand for simple and efficient synthetic routes of new molecules. In this study synthesis of a new series of derivatives of α-amino chromone phosphonates (ACPs) was reported using RhBT catalyst. The RhBT was first prepared by simply mixing boron nitride in a solution of rhodium acetate, under inert atmosphere for a week followed by filtration (yield: 92%). The catalyst can be re-used for up to four times and showed minimal loss of activity. The ACPs was prepared in a one pot reaction containing chromone based aldehydes, aniline derivatives and diethyl phosphite. The structures of these compounds were characterized by IR, 1H NMR, 13C NMR, 31P NMR and high resolution mass spectral analysis. The synthesized ACPs were evaluated for their antimicrobial activities against three bacteria B. cereus, M. luteus, E. coli and one fungus C. albicans. The ACPs displayed selective toxicity toward the brine shrimp (Artemia salina). Compounds 8j and 8m was found to be less toxic to the brine shrimp and may have more valuable biological application. Furthermore, molecular docking studies were conducted to predict the possible therapeutic potential of ACPs. The compounds (8i, 8j, 8k and 8m) were predicted as highly active HIV-1 reverse transcriptase inhibitors.
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Raghunath S, Anand K, Gengan R, Nayunigari MK, Maity A. Sorption isotherms, kinetic and optimization process of amino acid proline based polymer nanocomposite for the removal of selected textile dyes from industrial wastewater. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 165:189-201. [DOI: 10.1016/j.jphotobiol.2016.10.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Accepted: 10/11/2016] [Indexed: 11/28/2022]
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Sureshkumar M, Anand K, Muthu T, Gengan RM. Cobalt boron nitride: A novel heterogeneous catalyst for the synthesis of medicinally important α-amino quinoline phosphonates. PHOSPHORUS SULFUR 2016. [DOI: 10.1080/10426507.2015.1130046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Chaturvedi V, Parakh N, Seth S, Bhargava B, Ramakrishnan S, Roy A, Saxena A, Gupta N, Misra P, Rai S, Anand K, Pandav C, Sharma R, Prasad S. Heart failure in India: The INDUS (INDia Ukieri Study) study. JOURNAL OF THE PRACTICE OF CARDIOVASCULAR SCIENCES 2016. [DOI: 10.4103/2395-5414.182988] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Srikumar S, Anand K. A vital supply by Vieussens ring. Indian Heart J 2015. [DOI: 10.1016/j.ihj.2015.10.176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Misra P, Srivastava R, Kant S, Salve H, Anand K. Community based Study on Drug Adherence among Diabetic Patients in a Rural Area of North India. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv096.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Misra P, Kant S, Salve H, Anand K, Srivastava R. Prevalence of Adherence to Treatment of Hypertension and Its Determinants in Rural Haryana, North India. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv096.108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Archana S, Nongkrynh B, Anand K, Pandav CS. Feasibility and validity of using WHO adolescent job aid algorithms by health workers for reproductive morbidities among adolescent girls in rural North India. BMC Health Serv Res 2015; 15:400. [PMID: 26390862 PMCID: PMC4578239 DOI: 10.1186/s12913-015-1067-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Accepted: 09/14/2015] [Indexed: 11/10/2022] Open
Abstract
Background High prevalence of reproductive morbidities is seen among adolescents in India. Health workers play an important role in providing health services in the community, including the adolescent reproductive health services. A study was done to assess the feasibility of training female health workers (FHWs) in the classification and management of selected adolescent girls’ reproductive health problems according to modified WHO algorithms. Methods The study was conducted between Jan-Sept 2011 in Northern India. Thirteen FHWs were trained regarding adolescent girls’ reproductive health as per WHO Adolescent Job-Aid booklet. A pre and post-test assessment of the knowledge of the FHWs was carried out. All FHWs were given five modified WHO algorithms to classify and manage common reproductive morbidities among adolescent girls. All the FHWs applied the algorithms on at least ten adolescent girls at their respective sub-centres. Simultaneously, a medical doctor independently applied the same algorithms in all girls. Classification of the condition was followed by relevant management and advice provided in the algorithm. Focus group discussion with the FHWs was carried out to receive their feedback. Results After training the median score of the FHWs increased from 19.2 to 25.2 (p – 0.0071). Out of 144 girls examined by the FHWs 108 were classified as true positives and 30 as true negatives and agreement as measured by kappa was 0.7 (0.5–0.9). Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) were 94.3 % (88.2–97.4), 78.9 % (63.6–88.9), 92.5 % (86.0–96.2), and 83.3 % (68.1–92.1) respectively. Discussion A consistent and significant difference between pre and post training knowledge scores of the FHWs were observed and hence it was possible to use the modified Job Aid algorithms with ease. Limitation of this study was the munber of FHWs trained was small. Issues such as time management during routine work, timing of training, overhead cost of training etc were not taken into account. Conclusions Training was successful in increasing the knowledge of the FHWs about adolescent girls’ reproductive health issues. The FHWs were able to satisfactorily classify the common adolescent girls’ problems using the modified WHO algorithms. Electronic supplementary material The online version of this article (doi:10.1186/s12913-015-1067-x) contains supplementary material, which is available to authorized users.
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Kaviyarasu K, Magdalane CM, Anand K, Manikandan E, Maaza M. Synthesis and characterization studies of MgO:CuO nanocrystals by wet-chemical method. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 142:405-9. [PMID: 25725447 DOI: 10.1016/j.saa.2015.01.111] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 12/16/2014] [Accepted: 01/30/2015] [Indexed: 05/25/2023]
Abstract
In this report, we examine the progress in adapting these nanomaterials for several predominantly photonics device fabrication by wet-chemical method. Nanocomposite of magnesium oxide (MgO) with copper oxide (CuO) doped nanoparticles were characterized by X-ray powder diffraction (XRD) and the observed peaks are quite agreeable with the pure phase cubic structure. High-resolution transmission electron microscopic (HR-TEM) results reveal that the resultant nanopowders are porous and agglomerated with polycrystalline nano-entities. Field emission of selected-area electron diffraction (SAED) studies showed that the average size of the nanoparticles were 20nm. Photoluminescence spectra of MgO:CuO were investigated, showing emission peaks around 375nm relating to new energy levels induced by defects or defect levels generation and confocal micro-Raman images indicated that the chemical molecular vibrational band structure and morphology of the product which is spherical shaped nanoparticles with an average particle size of ∼25nm with standard deviation. The electrochemical response of MgO:CuO which is proves that the nano-copper/magnesium has high functionality due to the small size and it has higher electrochemical activity without any modifications.
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Anand K, Varghese S, Kurian T. Preparation of ultra-fine dispersions of zinc oxide by simple ball-milling: Optimization of process parameters. POWDER TECHNOL 2015. [DOI: 10.1016/j.powtec.2014.11.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Roopan SM, Bharathi A, Palaniraja J, Anand K, Gengan RM. Unexpected regiospecific Michael addition product: synthesis of 5,6-dihydrobenzo[1,7]phenanthrolines. RSC Adv 2015. [DOI: 10.1039/c4ra16640j] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The unexpected formation of 5,6-dihydrobenzo[1,7]phenanthroline instead of 5,6-dihydrobenzo[1,7]phenanthroline-3-carbonitrile in acridine molecules using Michael addition has been observed for the first time.
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Sharath U, Shwetha C, Anand K, Asokan S. Radial arterial compliance measurement by fiber Bragg grating pulse recorder. J Hum Hypertens 2014; 28:736-42. [PMID: 24943286 DOI: 10.1038/jhh.2014.45] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Accepted: 05/06/2014] [Indexed: 11/09/2022]
Abstract
In the present work, we report a novel, in vivo, noninvasive technique to determine radial arterial compliance using the radial arterial pressure pulse waveform (RAPPW) acquired by fiber Bragg grating pulse recorder (FBGPR). The radial arterial compliance of the subject can be measured during sphygmomanometric examination by the unique signatures of arterial diametrical variations and the beat-to-beat pulse pressure acquired simultaneously from the RAPPW recorded using FBGPR. This proposed technique has been validated against the radial arterial diametrical measurements obtained from the color Doppler ultrasound. Two distinct trials have been illustrated in this work and the results from both techniques have been found to be in good agreement with each other.
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Sonia Angeline M, Sarkar A, Anand K, Ambasta R, Kumar P. Sesamol and naringenin reverse the effect of rotenone-induced PD rat model. Neuroscience 2013; 254:379-94. [DOI: 10.1016/j.neuroscience.2013.09.029] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 09/12/2013] [Accepted: 09/15/2013] [Indexed: 01/05/2023]
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Roy A, Praveen PA, Anand K, Ritvik A, Lakshmy R, Gupta R, Reddy KS, Tandon N, Prabhakaran D. A community study of prevalence, awareness, treatment and control of hypertension and diabetes mellitus in urban and rural areas of Delhi, India. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht308.p1594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Pradeep Ajithakumari P, Roy A, Anand K, Ritvik A, Lakshmy R, Ruby G, Shah B, Reddy KS, Prabhakaran D. Rising prevalence of Coronary Heart Disease (CHD) in urban Delhi, India- results from a repeat cross-sectional study. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht308.p2506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Rai SK, Anand K, Misra P, Kant S, Upadhyay RP. Public health approach to address maternal mortality. Indian J Public Health 2013; 56:196-203. [PMID: 23229211 DOI: 10.4103/0019-557x.104231] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Reducing maternal mortality is one of the major challenges to health systems worldwide, more so in developing countries that account for nearly 99% of these maternal deaths. Lack of a standard method for reporting of maternal death poses a major hurdle in making global comparisons. Currently much of the focus is on documenting the "number" of maternal deaths and delineating the "medical causes" behind these deaths. There is a need to acknowledge the social correlates of maternal deaths as well. Investigating and in-depth understanding of each maternal death can provide indications on practical ways of addressing the problem. Death of a mother has serious implications for the child as well as other family members and to prevent the same, a comprehensive approach is required. This could include providing essential maternal care, early management of complications and good quality intrapartum care through the involvement of skilled birth attendants. Ensuring the availability, affordability, and accessibility of quality maternal health services, including emergency obstetric care (EmOC) would prove pivotal in reducing the maternal deaths. To increase perceived seriousness of the community regarding maternal health, a well-structured awareness campaign is needed with importance be given to avoid adolescent pregnancy as well. Initiatives like Janani Surakhsha Yojna (JSY) that have the potential to improve maternal health needs to be strengthened. Quality assessments should form an essential part of all services that are directed toward improving maternal health. Further, emphasis needs to be given on research by involving multiple allied partners, with the aim to develop a prioritized, coordinated, and innovative research agenda for women's health.
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Jain A, Anand K, Singla S, Kumar A. Congenital cystic lung diseases. J Clin Imaging Sci 2013; 3:5. [PMID: 23607074 PMCID: PMC3625881 DOI: 10.4103/2156-7514.106620] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2012] [Accepted: 01/18/2013] [Indexed: 11/18/2022] Open
Abstract
Congenital cystic diseases of the lung are a rare but significant cause of morbidity in children and young adults presenting with respiratory distress and repeated chest infections. They consist of cystic adenomatoid malformation, bronchogenic cyst, pulmonary sequestration, and congenital lobar emphysema. Surgical treatment is a safe and an effective method of treatment. Chest X-ray and computed tomography are the key imaging modalities used for diagnosis.
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Gengan RM, Anand K, Phulukdaree A, Chuturgoon A. A549 lung cell line activity of biosynthesized silver nanoparticles using Albizia adianthifolia leaf. Colloids Surf B Biointerfaces 2013; 105:87-91. [PMID: 23352951 DOI: 10.1016/j.colsurfb.2012.12.044] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Accepted: 12/28/2012] [Indexed: 10/27/2022]
Abstract
Stable AgNPs were formed in vitro by reacting AgNO3 (aq) solution with the aqueous plant leaf extract. UV-vis revealed the surface plasmon resonance λmax at 448 nm and the absorbance steadily increased in intensity as a function of reaction time. Transmission electron microscope (TEM) and XRD studies were used to characterize the AgNPs; the size was 4-35 nm. Dynamic light scattering (DLS) was used as supporting evidence to determine hydrodynamic size and zeta potential recorded as 80.27 nm and -24.7 mV, respectively. FT-IR spectra suggest that AgNPs are capped with protein molecules and other water soluble phytocompounds such as saponins and glycosides which also behave as stabilizing agents; TEM images indicate a visible layer surrounding the AgNPs. Prominent absorption bands at 3380 and 1642 cm(-1) are assigned to alcohol and carbonyl groups, respectively. (1)H NMR of the neat aqueous plant extract indicates presence of a complex mixture of compounds; however the chemical shift at δ 6.0-8.0 and 1.0-4.0 ppm indicates the presence of few aromatic but abundant aliphatic compounds, respectively. Toxicity of AgNPs on lung cancer cells (A549) and normal healthy peripheral lymphocytes (PLs) at 10 μg/ml and 50 μg/ml was assessed using the MTT, ATP and lactate dehydrogenase assays. Viability data for A549 cells showed a 21% (10 μg/ml) and 73% (50 μg/ml) cell viability after 6h exposure to AgNPs compared to 117% (10 μg/ml) and 109% (50 μg/ml) cell viability of normal peripheral lymphocytes. Lactate dehydrogenase was only significantly altered at 50 μg/ml AgNPs treated cells from 2.43±0.04 units to 0.77±0.04 units.
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Sonia Angeline M, Chaterjee P, Anand K, Ambasta RK, Kumar P. Rotenone-induced parkinsonism elicits behavioral impairments and differential expression of parkin, heat shock proteins and caspases in the rat. Neuroscience 2012; 220:291-301. [PMID: 22710069 DOI: 10.1016/j.neuroscience.2012.06.021] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Revised: 05/18/2012] [Accepted: 06/07/2012] [Indexed: 02/07/2023]
Abstract
Rotenone is a pesticide that inhibits mitochondrial complex I activity, thus creating an environment of oxidative stress in the cell. Many studies have employed rotenone to generate an experimental animal model of Parkinson's disease (PD) that mimics and elicits PD-like symptoms, such as motor and cognitive decline. Cytoprotective proteins including parkin and heat shock proteins (HSPs) play major roles in slowing PD progression. Moreover, evidence suggests that mitochondrial dysfunction and oxidative stress-dependent apoptotic pathways contribute to dopaminergic neuron degeneration in PD. Here, rats were chronically exposed to rotenone to confirm that it causes a debilitating phenotype and various behavioral defects. We also performed histopathological examinations of nigrostriatal, cortical and cerebellar regions of rotenone-treated brain to elucidate a plausible neurodegenerative mechanism. The results of silver, tyrosine hydroxylase (TH), parkin, ubiquitin and caspase staining of brain tissue sections further validated our findings. The stress response is known to trigger HSP in response to pharmacological insult. These protective proteins help maintain cellular homeostasis and may be capable of rescuing cells from death. Therefore, we assessed the levels of different HSPs in the rotenone-treated animals. Collectively, our studies indicated the following findings in the striatum and substantia nigra following chronic rotenone exposure in an experimental PD model: (i) behavioral deficit that correlated with histopathological changes and down regulation of TH signaling, (ii) decreased levels of the cytoprotective proteins parkin, DJ1 and Hsp70 and robust expression of mitochondrial chaperone Hsp60 according to Western blot, (iii) increased immunoreactivity for caspase 9, caspase 3 and ubiquitin and decreased parkin immunoreactivity.
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