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Chauhan D, Maity D, Yadav PK, Vishwakarma S, Agarwal A, Chourasia MK, Gayen JR. Enhanced oral bioavailability of levormeloxifene and raloxifene by nanoemulsion: simultaneous bioanalysis using liquid chromatography-tandem mass spectrometry. Nanomedicine (Lond) 2024. [PMID: 38639565 DOI: 10.2217/nnm-2024-0023] [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] [Indexed: 04/20/2024] Open
Abstract
Aim & objective: Levormeloxifene (L-ORM) and raloxifene (RAL) are selective estrogen receptor modulators used in the treatment of postmenopausal osteoporosis and breast cancer. Here, we developed and validated a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the simultaneous estimation of both drugs. Materials & methods: A quality-by-design (QbD) approach was used for the optimization of the nanoemulsion, and US FDA guidelines were followed for method validation. Results: Multiple reaction monitoring transitions were used for L-ORM (459.05→98.50), RAL (475.00→112.02) and internal standard (180.10→110.2). Analytes were resolved in a C18 column with 80:20 v/v% acetonitrile (ACN), 0.1% formic acid in triple-distilled water as a mobile phase. The developed method was linear over a concentration range of 1-600 ng/ml. Pharmacokinetic results of free L-ORM-RAL and the L-ORM-RAL nanoemulsion showed Cmax of free L-ORM - 70.65 ± 16.64, free RAL 13.53 ± 2.72, L-ORM nanoemulsion 65.07 ± 14.0 and RAL-nanoemulsion 59.27 ± 17.44 ng/ml. Conclusion: Future findings will contribute to the treatment of postmenopausal osteoporosis and breast cancer using L-ORM and RAL.
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Affiliation(s)
- Divya Chauhan
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, Uttar Pradesh, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Debalina Maity
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, Uttar Pradesh, India
| | - Pavan K Yadav
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, Uttar Pradesh, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sachin Vishwakarma
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, Uttar Pradesh, India
| | - Arun Agarwal
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, Uttar Pradesh, India
| | - Manish K Chourasia
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, Uttar Pradesh, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Jiaur R Gayen
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, Uttar Pradesh, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
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Puri M, Agrawal S, Patra S, Nain S, Meena D, Chauhan D, Devraj R, Ahlawat K. Daily huddles in antenatal clinics: An effective tool to optimize quality of antenatal care. Int J Gynaecol Obstet 2024. [PMID: 38520073 DOI: 10.1002/ijgo.15499] [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: 08/03/2023] [Revised: 01/04/2024] [Accepted: 03/10/2024] [Indexed: 03/25/2024]
Abstract
SynopsisDaily huddles are 15 golden minutes in antenatal clinics which can aid in the reduction of maternal and perinatal morbidity as well as mortality.
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Affiliation(s)
- Manju Puri
- Department of Obstetrics and Gynecology, Lady Hardinge Medical College, New Delhi, India
| | - Swati Agrawal
- Department of Obstetrics and Gynecology, Lady Hardinge Medical College, New Delhi, India
| | - Sharda Patra
- Department of Obstetrics and Gynecology, Lady Hardinge Medical College, New Delhi, India
| | - Shilpi Nain
- Department of Obstetrics and Gynecology, Lady Hardinge Medical College, New Delhi, India
| | - Deepika Meena
- Department of Obstetrics and Gynecology, Lady Hardinge Medical College, New Delhi, India
| | - Divya Chauhan
- Department of Obstetrics and Gynecology, Lady Hardinge Medical College, New Delhi, India
| | - Rupesh Devraj
- Department of Obstetrics and Gynecology, Lady Hardinge Medical College, New Delhi, India
| | - Kiran Ahlawat
- Department of Obstetrics and Gynecology, Lady Hardinge Medical College, New Delhi, India
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Chauhan D, Dadge S, Yadav PK, Sultana N, Agarwal A, Vishwakarma S, Rathaur S, Yadav S, K Chourasia M, Gayen JR. LC-MS/MS method for simultaneous estimation of raloxifene, cladrin in rat plasma: application in pharmacokinetic studies. Bioanalysis 2024; 16:141-153. [PMID: 38197392 DOI: 10.4155/bio-2023-0206] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024] Open
Abstract
Aim: A newer LC-MS/MS method was developed and validated for the simultaneous quantification of raloxifene (RL) and cladrin (CL). Methodology: Both drugs were resolved in RP-18 (4.6 × 50 mm, 5 μ) Xbridge Shield column using acetonitrile and 0.1% aqueous solution of formic acid (FA) (70:30% v/v) as mobile phase by using biological matrices in female Sprague-Dawley rats using-MS/MS. Results: The developed method was found to be linear over the concentration ranges of 1-600 ng/ml, and lower limit of quantification was 1 ng/ml for RL and CL, respectively. Pharmacokinetic results of RL+CL showed Cmax = 4.23 ± 0.61, 26.97 ± 1.14 ng/ml, at Tmax(h) 5.5 ± 1.00 and 3.5 ± 1.00, respectively. Conclusion: Pharmacokinetic study results will be useful in the future for the combined delivery of RL and CL for osteoporosis treatment.
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Affiliation(s)
- Divya Chauhan
- Division of Pharmaceutics & Pharmacokinetics, Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India
| | - Shailesh Dadge
- Division of Pharmaceutics & Pharmacokinetics, Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India
| | - Pavan K Yadav
- Division of Pharmaceutics & Pharmacokinetics, Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India
| | - Nazneen Sultana
- Division of Pharmaceutics & Pharmacokinetics, Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Arun Agarwal
- Division of Pharmaceutics & Pharmacokinetics, Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India
| | - Sachin Vishwakarma
- Division of Pharmaceutics & Pharmacokinetics, Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Shivam Rathaur
- Division of Pharmaceutics & Pharmacokinetics, Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Shubhi Yadav
- Division of Pharmaceutics & Pharmacokinetics, Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Manish K Chourasia
- Division of Pharmaceutics & Pharmacokinetics, Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India
| | - Jiaur R Gayen
- Division of Pharmaceutics & Pharmacokinetics, Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research, Ghaziabad, 201002, India
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Manjunath KK, Krishna H, Devate NB, Sunilkumar VP, Patil SP, Chauhan D, Singh S, Kumar S, Jain N, Singh GP, Singh PK. QTL mapping: insights into genomic regions governing component traits of yield under combined heat and drought stress in wheat. Front Genet 2024; 14:1282240. [PMID: 38269367 PMCID: PMC10805833 DOI: 10.3389/fgene.2023.1282240] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 12/15/2023] [Indexed: 01/26/2024] Open
Abstract
Drought and heat frequently co-occur during crop growth leading to devastating yield loss. The knowledge of the genetic loci governing component traits of yield under combined drought and heat stress is essential for enhancing the climate resilience. The present study employed a mapping population of 180 recombinant inbred lines (RILs) derived from a cross between GW322 and KAUZ to identify quantitative trait loci (QTLs) governing the component traits of yield under heat and combined stress conditions. Phenotypic evaluation was conducted across two consecutive crop seasons (2021-2022 and 2022-2023) under late sown irrigation (LSIR) and late sown restricted irrigation (LSRI) conditions at the Indian Council of Agricultural Research Institute-Indian Agricultural Research Institute (ICAR-IARI), New Delhi. Various physiological and agronomic traits of importance were measured. Genotyping was carried out with 35K SNP Axiom breeder's genotyping array. The linkage map spanned a length of 6769.45 cM, ranging from 2.28 cM/marker in 1A to 14.21 cM/marker in 5D. A total of 35 QTLs were identified across 14 chromosomes with 6B containing the highest (seven) number of QTLs. Out of 35 QTLs, 16 were major QTLs explaining the phenotypic variance greater than 10%. The study identified eight stable QTLs along with two hotspots on chromosomes 6B and 5B. Five QTLs associated with traits thousand-grain weight (TGW), normalized difference vegetation index (NDVI), and plant height (PH) were successfully validated. Candidate genes encoding antioxidant enzymes, transcription factors, and growth-related proteins were identified in the QTL regions. In silico expression analysis highlighted higher expression of transcripts TraesCS2D02G021000.1, TraesCS2D02G031000, TraesCS6A02G247900, and TraesCS6B02G421700 under stress conditions. These findings contribute to a deeper understanding of the genetic architecture underlying combined heat and drought tolerance in wheat, providing valuable insights for wheat improvement strategies under changing climatic conditions.
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Affiliation(s)
| | - Hari Krishna
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Narayana Bhat Devate
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - V. P. Sunilkumar
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Sahana Police Patil
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Divya Chauhan
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Shweta Singh
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Sudhir Kumar
- Division of Plant Physiology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Neelu Jain
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | | | - Pradeep Kumar Singh
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
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Ambadas DA, Singh A, Jha RK, Chauhan D, B. S, Sharma VK. Genome-wide dissection of AT-hook motif nuclear-localized gene family and their expression profiling for drought and salt stress in rice ( Oryza sativa). Front Plant Sci 2023; 14:1283555. [PMID: 38148863 PMCID: PMC10749976 DOI: 10.3389/fpls.2023.1283555] [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] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 11/22/2023] [Indexed: 12/28/2023]
Abstract
AT-hook motif nuclear localized (AHL) genes are functionally very less explored, but their nature is very diverse. In the present study, we identified 20 AHL genes in rice. Phylogenetic analyses and evolutionary classification of AHL genes showed that they are conserved in plants, but the number of genes is still expanding in different crops and regulating new biological functions. Gene structure analysis showed that OsAHLs are with and without intron types of genes, suggesting that AHL genes added intron during evolution for neofunctionalization. The cis analysis of OsAHL genes suggested its motif diversity. In order to understand the function, 19 transcriptomes were identified from various tissues and different developmental stages of rice, and they were divided into eight groups by different temporal and spatial expression. Through co-expression analysis, 11 OsAHLs and 13 novel genes with intricate networks that control many biological pathways in rice were identified. The interactions of OsAHL proteins showed that they co-regulate important processes including flowering, reproductive organ development, and photosynthesis activity. The functionality of all 20 genes of OsAHL for drought and salt stress in leaf tissues of two contrasting genotypes (IR64 and NL44) of rice was studied using qRT-PCR. The result clearly showed significant upregulation of OsAHL genes under drought and salt conditions over the control. The differential expression between IR64 and NL44 showed a significant upregulation of OsAHL genes in NL44 as compared to the IR64 genotype under drought and salt stress. Overall, the result indicates that AHL genes might be involved in mediating drought and salt-signaling transduction pathways. The drought- and salt-tolerant nature of NL44 was also confirmed by expression profiling.
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Affiliation(s)
- Dhanorkar A. Ambadas
- Department of AB&MB, CBSH, Dr. Rajendra Prasad Central Agricultural University, Samastipur, Bihar, India
| | - Ashutosh Singh
- Centre for Advanced Studies on Climate Change, Dr. Rajendra Prasad Central Agricultural University, Samastipur, Bihar, India
| | - Ratnesh Kumar Jha
- Centre for Advanced Studies on Climate Change, Dr. Rajendra Prasad Central Agricultural University, Samastipur, Bihar, India
| | - Divya Chauhan
- Department of Bioscience and Biotechnology, Banasthali Vidyapith, Aliyabad, Rajasthan, India
| | - Santhosh B.
- Department of AB&MB, CBSH, Dr. Rajendra Prasad Central Agricultural University, Samastipur, Bihar, India
| | - Vinay Kumar Sharma
- Department of AB&MB, CBSH, Dr. Rajendra Prasad Central Agricultural University, Samastipur, Bihar, India
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Chauhan D, Midha N, Mahalingam K, Angmo D, Sihota R, Gupta S, Chawla R, Dada T. Efficacy of Micropulse Laser Cyclophotocoagulation Therapy in Primary Angle Closure Glaucoma. J Glaucoma 2023; 32:1011-1017. [PMID: 38200659 DOI: 10.1097/ijg.0000000000002322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/18/2023] [Indexed: 01/12/2024]
Abstract
PRCIS In primary angle closure glaucoma (PACG), micropulse cyclophotocoagulation resulted in a significant reduction in intraocular pressure (IOP), and the number of antiglaucoma medications without any sight-threatening complications. However, the IOP lowering efficacy decreased over time. PURPOSE The purpose of this study was to evaluate the efficacy and safety of micropulse trans-scleral cyclophotocoagulation (MP-TSCPC) in PACG. PATIENTS AND METHODS Thirty-three phakic PACG eyes with patent laser peripheral iridotomy and IOP uncontrolled on maximum tolerable antiglaucoma medications (AGMs), scheduled for trabeculectomy, were given a trial of MP-TSCPC (810 nm laser, 2000 mw power for 180 seconds, 360 degrees). The primary outcome measure was a success at 1 year with IOP ≤18 mm Hg and ≤15 mm Hg with (qualified success) or without (absolute success) AGMs after a single session of MP laser. Secondary outcome measures were changes in pupillary diameter, visual acuity, central macular thickness, and subjective pain perception. RESULTS Thirty-two out of 33 PACG patients completed 12 months of follow-up. The mean age of patients was 54.7±8.9 years; male:female ratio was 1:1. The baseline IOP was 25.7±5.3 mm Hg, which reduced to 17.9±4.6 mm Hg at the end of 12 months (P<0.0001). Twenty eyes (62.5%) achieved qualified success, and 1 eye (3.125%) had absolute success at 12 months for IOP ≤18 mm Hg; 6 eyes (18.75%) had qualified success, and 1 eye (3.125%) had absolute success for IOP ≤15 mm Hg at 12 months follow-up. A significant reduction was also observed in the number of AGMs (4.4±0.8 at baseline to 2.9±1.1 at 12 months; P <0.0001). Five eyes (15.6%) received additional treatment-3 eyes (9.4%) requiring a subsequent filtering procedure, and 2 eyes (6.2%) requiring an additional MP-TSCPC session. No significant change in pupillary diameter (P=0.489) or central macular thickness (P=0.938) was noted at 12 months. There was a transient drop of visual acuity >2 lines in 1 patient due to cystoid macular edema, and no major postlaser complications were noted. CONCLUSIONS MP-TSCPC can be used as an interim procedure to reduce IOP in PACG eyes and delay the need for invasive surgery. Most patients require continued use of glaucoma medications, and target IOPs achieved are in the high teens.
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Affiliation(s)
- Divya Chauhan
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences
| | | | - Karthikeyan Mahalingam
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences
| | - Dewang Angmo
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences
| | | | - Shikha Gupta
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences
| | - Rohan Chawla
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences
| | - Tanuj Dada
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences
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Talreja N, Ashfaq M, Chauhan D, Viswanathan MR. PVP encapsulated MXene coated on PET surface (PMP)-based photocatalytic materials: A novel photo-responsive assembly for the removal of tetracycline. Environ Res 2023; 233:116439. [PMID: 37331551 DOI: 10.1016/j.envres.2023.116439] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 05/21/2023] [Accepted: 06/15/2023] [Indexed: 06/20/2023]
Abstract
Tetracycline (TC) antibiotic that is effective against wide-range micro-organisms, thereby used to control bacterial infection. The partial metabolism of TC antibiotics in humans and animals leads to the contamination of TC in the environments like water bodies. Thus, requirements to treat/remove/degrade TC antibiotics from the water bodies to control environmental pollution. In this context, this study focuses on fabricating PVP-MXene-PET (PMP) based photo-responsive materials to degrade TC antibiotics from the water. Initially, MXene (Ti2CTx) was synthesized using a simple etching process from the MAX phase (Ti3AlC2). The synthesized MXene was encapsulated using PVP and cast onto the surface of PET to fabricate PMP-based photo-responsive materials. The rough surface and micron/nano-sized pores within the PMP-based photo-responsive materials might be improved the photo-degradation of TC antibiotics. The synthesized PMP-based photo-responsive materials were tested against the photo-degradation of TC antibiotics. The band gap value of the MXene and PMP-based photo-responsive materials was calculated to be ∼1.23 and 1.67 eV. Incorporating PVP within the MXene increased the band gap value, which might be beneficial for the photo-degradation of TC, as the minimum band gap value should be ∼1.23 eV or more for photocatalytic application. The highest photo-degradation of ∼83% was achieved using PMP-based photo-degradation at 0.1 mg/L of TC. Furthermore, ∼99.71% of photo-degradation of TC antibiotics was accomplished at pH ∼10. Therefore, the fabricated PMP-based photo-responsive materials might be next-generation devices/materials that efficiently degrade TC antibiotics from the water.
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Affiliation(s)
- Neetu Talreja
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción, 4070409, Chile; Department of Science, Faculty of Science and Technology, Alliance University, Anekal, Bengaluru, 562 106, Karnataka, India.
| | - Mohammad Ashfaq
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción, 4070409, Chile; Department of Biotechnology, University Centre for Research & Development, Chandigarh University, Gharaun, Mohali, 140413, Punjab, India
| | - Divya Chauhan
- Department of Drinking Water and Sanitation, Ministry of Jal Shakti, 1208-A, Pandit Deendayal Antyodaya Bhawan, CGO Complex, Lodhi Road, New Delhi, 110003, India
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Singh A, Pandey H, Pandey S, Lal D, Chauhan D, Aparna, Antre SH, B S, Kumar A. Drought stress in maize: stress perception to molecular response and strategies for its improvement. Funct Integr Genomics 2023; 23:296. [PMID: 37697159 DOI: 10.1007/s10142-023-01226-6] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/29/2023] [Accepted: 08/31/2023] [Indexed: 09/13/2023]
Abstract
Given the future demand for food crops, increasing crop productivity in drought-prone rainfed areas has become essential. Drought-tolerant varieties are warranted to solve this problem in major crops, with drought tolerance as a high-priority trait for future research. Maize is one such crop affected by drought stress, which limits production, resulting in substantial economic losses. It became a more serious issue due to global climate change. The most drought sensitive among all stages of maize is the reproductive stages and the most important for overall maize production. The exact molecular basis of reproductive drought sensitivity remains unclear due to genes' complex regulation of drought stress. Understanding the molecular biology and signaling of the unexplored area of reproductive drought tolerance will provide an opportunity to develop climate-smart drought-tolerant next-generation maize cultivars. In recent decades, significant progress has been made in maize to understand the drought tolerance mechanism. However, improving maize drought tolerance through breeding is ineffective due to the complex nature and multigenic control of drought traits. With the help of advanced breeding techniques, molecular genetics, and a precision genome editing approach like CRISPR-Cas, candidate genes for drought-tolerant maize can be identified and targeted. This review summarizes the effects of drought stress on each growth stage of maize, potential genes, and transcription factors that determine drought tolerance. In addition, we discussed drought stress sensing, its molecular mechanisms, different approaches to developing drought-resistant maize varieties, and how molecular breeding and genome editing will help with the current unpredictable climate change.
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Affiliation(s)
- Ashutosh Singh
- Centre for Advanced Studies On Climate Change, Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar, 848125, India.
| | | | - Saurabh Pandey
- Department of Agriculture, Guru Nanak Dev University, Amritsar, Punjab, 143005, India.
| | - Dalpat Lal
- College of Agriculture, Jodhpur Agriculture University, Jodhpur, Rajasthan, 342304, India
| | - Divya Chauhan
- Banasthali University, Radha Kishanpura, Rajasthan, 304022, India
| | - Aparna
- Departments of Agriculture, Jagan Nath University, Jaipur, Rajasthan, 303901, India
| | - Suresh H Antre
- Advanced Centre of Plant Biotechnology, UAS, GKVK, Bangalore, Karnataka, 560065, India
| | - Santhosh B
- Centre for Advanced Studies On Climate Change, Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar, 848125, India
| | - Amarjeet Kumar
- Department of Genetics and Plant Breeding, MTTC & VTC, Selesih, CAU, Imphal, 795001, India
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Yadav PK, Saklani R, Tiwari AK, Verma S, Chauhan D, Yadav P, Rana R, Kalleti N, Gayen JR, Wahajuddin, Rath SK, Mugale MN, Mitra K, Chourasia MK. Ratiometric codelivery of Paclitaxel and Baicalein loaded nanoemulsion for enhancement of breast cancer treatment. Int J Pharm 2023; 643:123209. [PMID: 37422142 DOI: 10.1016/j.ijpharm.2023.123209] [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: 03/15/2023] [Revised: 06/28/2023] [Accepted: 07/05/2023] [Indexed: 07/10/2023]
Abstract
The most prevalent clinical option for treating cancer is combination chemotherapy. In combination therapy, assessment and optimization for obtaining a synergistic ratio could be obtained by various preclinical setups. Currently, in vitro optimization is used to get synergistic cytotoxicity while constructing combinations. Herein, we co-encapsulated Paclitaxel (PTX) and Baicalein (BCLN) with TPP-TPGS1000 containing nanoemulsion (TPP-TPGS1000-PTX-BCLN-NE) for breast cancer treatment. The assessment of cytotoxicity of PTX and BCLN at different molar weight ratios provided an optimized synergistic ratio (1:5). Quality by Design (QbD) approach was later applied for the optimization as well as characterization of nanoformulation for its droplet size, zeta potential and drug content. TPP-TPGS1000-PTX-BCLN-NE significantly enhanced cellular ROS, cell cycle arrest, and depolarization of mitochondrial membrane potential in the 4T1 breast cancer cell line compared to other treatments. In the syngeneic 4T1 BALB/c tumor model, TPP-TPGS1000-PTX-BCLN-NE outperformed other nanoformulation treatments. The pharmacokinetic, biodistribution and live imaging studies pivoted TPP-TPGS1000-PTX-BCLN-NE enhanced bioavailability and PTX accumulation at tumor site. Later, histology studies confirmed nanoemulsion non-toxicity, expressing new opportunities and potential to treat breast cancer. These results suggested that current nanoformulation can be a potential therapeutic approach to effectively address breast cancer therapy.
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Affiliation(s)
- Pavan K Yadav
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Ravi Saklani
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India; Institute of Drug Research, School of Pharmacy-Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Amrendra K Tiwari
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Saurabh Verma
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Divya Chauhan
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Pooja Yadav
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Rafquat Rana
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Navodayam Kalleti
- Division of Toxicology, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Jiaur R Gayen
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Wahajuddin
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Srikanta K Rath
- Division of Toxicology, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Madhav N Mugale
- Division of Toxicology, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Kalyan Mitra
- Electron Microscopy Division, Sophisticated Analytical Instrument Facility and Research, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India
| | - Manish K Chourasia
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, U.P., India.
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Sunilkumar VP, Krishna H, Devate NB, Manjunath KK, Chauhan D, Singh S, Sinha N, Singh JB, T. L. P, Pal D, Sivasamy M, Jain N, Singh GP, Singh PK. Marker-assisted selection for transfer of QTLs to a promising line for drought tolerance in wheat ( Triticum aestivum L.). Front Plant Sci 2023; 14:1147200. [PMID: 37546261 PMCID: PMC10401266 DOI: 10.3389/fpls.2023.1147200] [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] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 06/27/2023] [Indexed: 08/08/2023]
Abstract
Wheat crop is subjected to various biotic and abiotic stresses, which affect crop productivity and yield. Among various abiotic stresses, drought stress is a major problem considering the current global climate change scenario. A high-yielding wheat variety, HD3086, has been released for commercial cultivation under timely sown irrigated conditions for the North Western Plain Zone (NWPZ) and North Eastern Plain Zone NEPZ of India. Presently, HD3086 is one of the highest breeder seed indented wheat varieties and has a stable yield over the years. However, under moisture deficit conditions, its potential yield cannot be achieved. The present study was undertaken to transfer drought-tolerant QTLs in the background of the variety HD3086 using marker-assisted backcross breeding. QTLs governing Biomass (BIO), Canopy Temperature (CT), Thousand Kernel Weight (TKW), Normalized Difference Vegetation Index (NDVI), and Yield (YLD) were transferred to improve performance under moisture deficit conditions. In BC1F1, BC2F1, and BC2F2 generations, the foreground selection was carried out to identify the plants with positive QTLs conferring drought tolerance and linked to traits NDVI, CT, TKW, and yield. The positive homozygous lines for targeted QTLs were advanced from BC2F2 to BC2F4 via the pedigree-based phenotypic selection method. Background analysis was carried out in BC2F5 and obtained 78-91% recovery of the recurrent parent genome in the improved lines. Furthermore, the advanced lines were evaluated for 2 years under drought stress to assess improvement in MABB-derived lines. Increased GWPS, TKW, and NDVI and reduced CT was observed in improved lines. Seven improved lines were identified with significantly higher yields in comparison to HD3086 under stress conditions.
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Affiliation(s)
| | - Hari Krishna
- Indian Agricultural Research Institute, ICAR, New Delhi, India
| | | | | | - Divya Chauhan
- Indian Agricultural Research Institute, ICAR, New Delhi, India
| | - Shweta Singh
- Indian Agricultural Research Institute, ICAR, New Delhi, India
| | - Nivedita Sinha
- Indian Agricultural Research Institute, ICAR, New Delhi, India
| | | | - Prakasha T. L.
- Indian Agricultural Research Institute, ICAR, New Delhi, India
| | - Dharam Pal
- Indian Agricultural Research Institute, ICAR, New Delhi, India
| | - M. Sivasamy
- Indian Agricultural Research Institute, ICAR, New Delhi, India
| | - Neelu Jain
- Indian Agricultural Research Institute, ICAR, New Delhi, India
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Chauhan D, Agrawal A, Sahu JK, Kumar S. Acute Oral Toxicity, Antioxidant Activity, and Molecular Docking Study of 2-(4-Bromo-phenoxy)-N-[6-chloro-4-(4-chlorophenyl)-3-cyano-4H-chromen-2-yl]-acetamide. Curr Drug Discov Technol 2023; 20:CDDT-EPUB-132988. [PMID: 37464823 DOI: 10.2174/1570163820666230718145955] [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: 08/27/2022] [Revised: 05/20/2023] [Accepted: 06/08/2023] [Indexed: 07/20/2023]
Abstract
BACKGROUND Several studies have been conducted on 4-H chromene compounds because of their intriguing pharmacological and biological properties. Various new natural compounds having a chromene foundation have been reported over the past 20 years. OBJECTIVE In the present study, we reported the acute oral toxicity, antioxidant activity, and molecular docking study of the most active 4H-chromene derivative2-(4-Bromo-phenoxy)-N-[6-chloro-4-(4-chlorophenyl)-3-cyano-4H-chromen-2-yl]-acetamide (A9). METHOD The acute oral toxicity was carried out as per OECD 423 guidelines. For investigating the antioxidant activity, various biochemical parameters in colon tissue like SOD, CAT, MDA, PC and GSH and also enzyme levels, such as ALT, AST, ALP, and LDH, were measured in this experiment. RESULTS Acute oral toxicity study indicated that the A9 ligand was found to be safer in animals. Additionally, the A9 ligand had significant antioxidant properties at various doses and was not found to be harmful to the liver. Due to its stronger binding energy and the appropriate interactions that induce inhibition, the A9 ligand's antioxidant function was also validated by additional molecular docking research. CONCLUSION This compound can be exploited as a lead molecule in further research.
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Affiliation(s)
- Divya Chauhan
- Department of Chemistry, School of Sciences, IFTM University, Moradabad (Uttar Pradesh) -244102, India
| | - Anurag Agrawal
- Department of Pharmacology, Ram-Eesh Institute of Vocational and Technical Education, Greater Noida, Dist. Gautam Buddha Nagar, (Uttar Pradesh) - 201310India
| | - Jagdish K Sahu
- School of Pharmacy & Technology Management, SVKM's NMIMS (Deemed to be University), Shirpur, Distt - Dhule (Maharashtra) - 425405, India
| | - Sushil Kumar
- Faculty of Pharmacy, IFTM University, Moradabad (Uttar Pradesh) -244102, India
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Chauhan D, Chopra HK, Nayak SK. Reaction Optimization of Strontium Perchlorate Catalyzed Novel Protocol for Stereoselective Synthesis of Dihydropyrimidinones. Curr Org Synth 2023; 21:COS-EPUB-130949. [PMID: 37861008 DOI: 10.2174/1570179420666230416171921] [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: 10/25/2022] [Revised: 02/13/2023] [Accepted: 02/23/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND Hydrated strontium perchlorate [Sr(ClO4)2.3H2O] acts as a very strong oxidizing and dehydrating agent. Until now, it could not be reported as a catalyst in dehydration mechanism-based organic synthetic reactions. Therefore, it is important to find whether it could be an effective catalyst for one-pot multicomponent reactions (MCRs). OBJECTIVE The main objective of the present work is the development of a novel process for the synthesis of 1,4-dihydropyrimidinones through the one-pot multicomponent strategy using hydrated Sr(ClO4)2 as a catalyst. Furthermore, it includes process optimization, stereoselectivity, and spectroscopic characterization of the synthesized compounds. METHODS Conventional and microwave-supported synthesis of 1,4-dihydropyrimidinones using 20 mol % of hydrated Sr(ClO4)2 catalyst via the one-pot solvent-free reaction was discovered as a new catalytic MCR methodology. The box-Behnken design approach and advanced analytical techniques were used for process optimization and reaction analysis. RESULTS The results confirmed that hydrated Sr(ClO4)2; works as an efficient catalyst for one-pot multicomponent organic synthesis under both conventional and microwave heating. It is an effective catalyst for laboratory synthesis of 1,4-dihydropyrimidinones stereoselectively with moderate to excellent yield without any undesirable effect. Microwave heating provided the desired product within 1-4 minutes. Moreover, this method provides easy isolation of the pure products simply by recrystallization, and without the use of a chromatographic purification method. CONCLUSION The simplicity and neutrality of reaction conditions, easy post-reaction workup, higher satisfactory to excellent yield, effectiveness, the diversity of substrates, etc. render the hydrated Sr(ClO4)2 catalyst-based protocol for the stereoselective synthesis of 1,4-dihydropyrimidinones as a highly efficient method. Furthermore, it has been found to be safe un-der laboratory reaction conditions and no undesirable issues have been faced during the process.
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Affiliation(s)
- Divya Chauhan
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Science, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Harish Kumar Chopra
- Department of Chemistry, Sant Longowal Institute of Engineering & Technology (Deemed-to-be- University), Sangrur, Punjab, 148106, India
| | - Surendra Kumar Nayak
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Science, Lovely Professional University, Phagwara, Punjab, 144411, India
- Centre for Interdisciplinary Biomedical Research/AIPBS, Adesh University, Bathinda, Punjab, 151009, India
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Chauhan D, Yadav PK, Sultana N, Agarwal A, Dadge S, Singh N, Maity D, Chourasia MK, Gayen JR. Simultaneous estimation of raloxifene and cladrin by HPLC: application to metabolic stability studies in different species. Bioanalysis 2023. [PMID: 37254752 DOI: 10.4155/bio-2023-0046] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023] Open
Abstract
Aim: A reliable, sensitive, HPLC method was developed and validated to simultaneously quantify raloxifene (RLX) and cladrin (CLD). Method: The C18 column was used to analyze RLX and CLD at λmax 285 and 249 nm. The mobile phase was composed of acetonitrile and 35:65% v/v aqueous solution of 0.1% formic acid. Results: The method was linear over the linearity range of 0.078-20 μg/ml, and the limit of detection and limit of quantification for RLX and CLD were 0.191 and 0.228 and 0.581 and 0.69 μg/ml, respectively. Conclusion: In accordance with the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use guidelines, the developed method is precise and accurate for simultaneous estimation of RLX and CLD with applications in in vitro liver microsomal stability in mice, rabbits, dogs, monkeys and humans.
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Affiliation(s)
- Divya Chauhan
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Pavan K Yadav
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Nazneen Sultana
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Arun Agarwal
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Shailesh Dadge
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Naveen Singh
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Debalina Maity
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Manish K Chourasia
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Jiaur R Gayen
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
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Mir ZA, Chauhan D, Pradhan AK, Srivastava V, Sharma D, Budhlakoti N, Mishra DC, Jadon V, Sahu TK, Grover M, Gangwar OP, Kumar S, Bhardwaj SC, Padaria JC, Singh AK, Rai A, Singh GP, Kumar S. Comparative transcriptome profiling of near isogenic lines PBW343 and FLW29 to unravel defense related genes and pathways contributing to stripe rust resistance in wheat. Funct Integr Genomics 2023; 23:169. [PMID: 37209309 DOI: 10.1007/s10142-023-01104-1] [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: 02/07/2023] [Revised: 05/11/2023] [Accepted: 05/15/2023] [Indexed: 05/22/2023]
Abstract
Stripe rust (Sr), caused by Puccinia striiformis f. sp. tritici (Pst), is the most devastating disease that poses serious threat to the wheat-growing nations across the globe. Developing resistant cultivars is the most challenging aspect in wheat breeding. The function of resistance genes (R genes) and the mechanisms by which they influence plant-host interactions are poorly understood. In the present investigation, comparative transcriptome analysis was carried out by involving two near-isogenic lines (NILs) PBW343 and FLW29. The seedlings of both the genotypes were inoculated with Pst pathotype 46S119. In total, 1106 differentially expressed genes (DEGs) were identified at early stage of infection (12 hpi), whereas expressions of 877 and 1737 DEGs were observed at later stages (48 and 72 hpi) in FLW29. The identified DEGs were comprised of defense-related genes including putative R genes, 7 WRKY transcriptional factors, calcium, and hormonal signaling associated genes. Moreover, pathways involved in signaling of receptor kinases, G protein, and light showed higher expression in resistant cultivar and were common across different time points. Quantitative real-time PCR was used to further confirm the transcriptional expression of eight critical genes involved in plant defense mechanism against stripe rust. The information about genes are likely to improve our knowledge of the genetic mechanism that controls the stripe rust resistance in wheat, and data on resistance response-linked genes and pathways will be a significant resource for future research.
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Affiliation(s)
- Zahoor Ahmad Mir
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India
| | - Divya Chauhan
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India
| | | | - Vivek Srivastava
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India
| | - Divya Sharma
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India
| | - Neeraj Budhlakoti
- ICAR-Indian Agricultural Statistics Research Institute, New Delhi, 110012, India
| | | | - Vasudha Jadon
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India
| | - Tanmaya Kumar Sahu
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India
| | - Monendra Grover
- ICAR-Indian Agricultural Statistics Research Institute, New Delhi, 110012, India
| | - Om Prakash Gangwar
- ICAR-Indian Institute of Wheat and Barley Research, Flowerdale, Shimla, Himachal, Pradesh, 171002, India
| | - Subodh Kumar
- ICAR-Indian Institute of Wheat and Barley Research, Flowerdale, Shimla, Himachal, Pradesh, 171002, India
| | - S C Bhardwaj
- ICAR-Indian Institute of Wheat and Barley Research, Flowerdale, Shimla, Himachal, Pradesh, 171002, India
| | - Jasdeep C Padaria
- ICAR-National Institute for Plant Biotechnology, New Delhi, 110012, India
| | - Amit Kumar Singh
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India
| | - Anil Rai
- ICAR-Indian Agricultural Statistics Research Institute, New Delhi, 110012, India
| | - G P Singh
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India
| | - Sundeep Kumar
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India.
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15
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Yadav PK, Saklani R, Tiwari AK, Verma S, Rana R, Chauhan D, Yadav P, Mishra K, Kedar AS, Kalleti N, Gayen JR, Wahajuddin M, Rath SK, Mugale MN, Mitra K, Sharma D, Chourasia MK. Enhanced apoptosis and mitochondrial cell death by paclitaxel-loaded TPP-TPGS 1000-functionalized nanoemulsion. Nanomedicine (Lond) 2023; 18:343-366. [PMID: 37140535 DOI: 10.2217/nnm-2022-0268] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023] Open
Abstract
Background: The present research was designed to develop a nanoemulsion (NE) of triphenylphosphine-D-α-tocopheryl-polyethylene glycol succinate (TPP-TPGS1000) and paclitaxel (PTX) to effectively deliver PTX to improve breast cancer therapy. Materials & methods: A quality-by-design approach was applied for optimization and in vitro and in vivo characterization were performed. Results: The TPP-TPGS1000-PTX-NE enhanced cellular uptake, mitochondrial membrane depolarization and G2M cell cycle arrest compared with free-PTX treatment. In addition, pharmacokinetics, biodistribution and in vivo live imaging studies in tumor-bearing mice showed that TPP-TPGS1000-PTX-NE had superior performance compared with free-PTX treatment. Histological and survival investigations ascertained the nontoxicity of the nanoformulation, suggesting new opportunities and potential to treat breast cancer. Conclusion: TPP-TPGS1000-PTX-NE improved the efficacy of breast cancer treatment by enhancing its effectiveness and decreasing drug toxicity.
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Affiliation(s)
- Pavan K Yadav
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ravi Saklani
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Amrendra K Tiwari
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Saurabh Verma
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Rafquat Rana
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Divya Chauhan
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Pooja Yadav
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Keerti Mishra
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Ashwini S Kedar
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Navodayam Kalleti
- Division of Toxicology & Experiment Medicine, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Jiaur R Gayen
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Muhammad Wahajuddin
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Srikanta K Rath
- Division of Toxicology & Experiment Medicine, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Madhav N Mugale
- Division of Toxicology & Experiment Medicine, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Kalyan Mitra
- Electron Microscopy Division, Sophisticated Analytical Instrument Facility & Research, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Deepak Sharma
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Manish K Chourasia
- Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
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16
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Chauhan D, Patel S, Cohen S, Madan S, Goldstein D, Jorde U, Rochlani Y, Vukelic S, Shin J, Murthy S, Sims D, Forest S, Saeed O. Diminishing Effect of Blood Type on Waitlist and Heart Transplantation Outcomes in the Contemporary UNOS Allocation System. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1669] [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: 04/05/2023] Open
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Tyagi P, Chauhan D, Singh A, Bhutada M, Sikka K, Chaudhary T, Sharma S, Agarwal S, Verma H, Sagar P, Kumar R, Thakar A. Clinical and Social Outcomes of Cochlear Implantation in Older Prelinguals. J Audiol Otol 2023; 27:63-70. [PMID: 36791798 PMCID: PMC10126583 DOI: 10.7874/jao.2022.00262] [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: 06/25/2022] [Accepted: 09/28/2022] [Indexed: 02/17/2023] Open
Abstract
Background and Objectives : Cochlear implantation in late implanted prelinguals necessitates a complex decision-making process for clinicians and patients due to the uncertainty of achieving adequate benefit in auditory and speech perception. This study longitudinally evaluated clinical and social outcomes of prelingually deaf children with implantation in their late childhood. Subjects and Methods : A total of 113 (49 females and 64 males) participants, with an age range of 5-15 years, were assessed for the pre-implant parameters such as hearing loss etiology, aided responses, anatomical aspects, and psychological evaluation. The Category of Auditory Performance, Speech Awareness Threshold, Speech Reception Threshold, and Speech Discrimination Score were administered to assess the patient's auditory skills. Further, the Speech Intelligibility Rating scale was administered to evaluate the patient's speech intelligibility at 3, 6, 9, 12, 18, and 24 months post-surgery. Subjectively perceived benefits were evaluated using the satisfaction rating scale and a questionnaire. Results : The statistical results showed a significant impact of cochlear implantation in all domains. Positive impact and improvement post-implantation were noted in all the spheres, including auditory, linguistic, social, and educational. Conclusions : The study highlighted that the outcomes of a cochlear implant at a later age might not parallel with the implantation at a younger age. However, this still provides measurable benefits even after a longer period of auditory deprivation.
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Affiliation(s)
- Pragya Tyagi
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Divya Chauhan
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Anup Singh
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Mayank Bhutada
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Kapil Sikka
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Tanvi Chaudhary
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Sonam Sharma
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Shivani Agarwal
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Hitesh Verma
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Prem Sagar
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Rakesh Kumar
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Alok Thakar
- Department of Otorhinolaryngology and Head & Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
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18
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Manjunath KK, Krishna H, Devate NB, Sunilkumar VP, Chauhan D, Singh S, Mishra CN, Singh JB, Sinha N, Jain N, Singh GP, Singh PK. Mapping of the QTLs governing grain micronutrients and thousand kernel weight in wheat ( Triticum aestivum L.) using high density SNP markers. Front Nutr 2023; 10:1105207. [PMID: 36845058 PMCID: PMC9950559 DOI: 10.3389/fnut.2023.1105207] [Citation(s) in RCA: 2] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/27/2023] [Indexed: 02/12/2023] Open
Abstract
Biofortification is gaining importance globally to improve human nutrition through enhancing the micronutrient content, such as vitamin A, iron, and zinc, in staple food crops. The present study aims to identify the chromosomal regions governing the grain iron concentration (GFeC), grain zinc concentration (GZnC), and thousand kernel weight (TKW) using recombinant inbred lines (RILs) in wheat, developed from a cross between HD3086 and HI1500. The experiment was conducted in four different production conditions at Delhi viz., control, drought, heat, and combined heat and drought stress and at Indore under drought stress. Grain iron and zinc content increased under heat and combined stress conditions, while thousand kernel weight decreased. Medium to high heritability with a moderate correlation between grain iron and zinc was observed. Out of 4,106 polymorphic markers between the parents, 3,407 SNP markers were used for linkage map construction which spanned over a length of 14791.18 cm. QTL analysis identified a total of 32 chromosomal regions governing the traits under study, which includes 9, 11, and 12 QTLs for GFeC, GZnC, and TKW, respectively. A QTL hotspot was identified on chromosome 4B which is associated with grain iron, grain zinc, and thousand kernel weight explaining the phenotypic variance of 29.28, 10.98, and 17.53%, respectively. Similarly, common loci were identified on chromosomes 4B and 4D for grain iron, zinc, and thousand kernel weight. In silico analysis of these chromosomal regions identified putative candidate genes that code for proteins such as Inositol 1,3,4-trisphosphate 5/6-kinase, P-loop containing nucleoside triphosphate hydrolase, Pleckstrin homology (PH) domains, Serine-threonine/tyrosine-protein kinase and F-box-like domain superfamily proteins which play role in many important biochemical or physiological process. The identified markers linked to QTLs can be used in MAS once successfully validated.
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Affiliation(s)
| | - Hari Krishna
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India,*Correspondence: Hari Krishna,
| | - Narayana Bhat Devate
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - V. P. Sunilkumar
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Divya Chauhan
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Shweta Singh
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - C. N. Mishra
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | - J. B. Singh
- Regional Station, ICAR-Indian Agricultural Research Institute, Indore, India
| | - Nivedita Sinha
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Neelu Jain
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | | | - Pradeep Kumar Singh
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India,*Correspondence: Hari Krishna,
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Gupta N, Singh S, Chauhan D, Srivastava R, Singh VK. Exploring the Anticancer Potentials of Polyphenols: A Comprehensive Review of Patents in the Last Five Years. Recent Pat Anticancer Drug Discov 2023; 18:3-10. [PMID: 35549878 DOI: 10.2174/1574892817666220512220036] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [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: 12/27/2021] [Revised: 03/20/2022] [Accepted: 03/25/2022] [Indexed: 12/16/2022]
Abstract
BACKGROUND Polyphenols found abundantly in plants exhibit various anti-carcinogenic effects on tumor cells, including angiogenesis, metastasis, anti-proliferating agents, inflammation, and apoptosis. In recent years, many novel polyphenolic compounds with anticancer activity have been identified worldwide, and few of them are promising anticancer drugs to cure or inhibit cancer growth by interfering with cancer initiation, promotion, and progression. OBJECTIVES This mini-review aims to provide a comprehensive survey of the information about polyphenolic anticancer drugs disclosed in worldwide patents and discuss their possibility of developing as drugs used as anticancer drugs in clinical settings. METHODS In the present mini-review, we have revealed the anticancer properties of polyphenols presented according to their mechanisms of action. PubMed, Google Patents, and SciDirect databases were used to compile the present study. RESULTS In the last five years, various anticancer polyphenols were revealed in worldwide patents in the last decades, and their mode of action pointed out cytoskeletal damage, arresting cell cycle, inhibiting kinase, and tumor suppressor protein expression. CONCLUSION Many newly found polyphenols display a promising anticancer potential both in vitro and in vivo, and a few anticancer polyphenols act to inhibit the growth of various human cancer cells. Also, we have given an overview of patents filed in the last five years related to the anticancer potentials of polyphenols.
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Affiliation(s)
- Nitin Gupta
- Centre of Biomedical Research, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow-226014 (U.P), India
| | - Shaloo Singh
- Department of Life Sciences, Maharishi University of Information Technology, Sitapur Road (IIM Bypass, Bhitauli Tiraha), P.O-Maharishi Vidya Mandir, Lucknow-226013 (UP), India
| | - Divya Chauhan
- Department of Pharmacy, Uttarakhand Technical University, Post Office, Chandanwadi, Prem Nagar Sudhowala, Dehradun-248007, Uttarakhand, India
| | - Ruchi Srivastava
- School of Studies in Environmental Science, Jiwaji University Gwalior-474011, Madhya Pradesh, India
| | - Vipendra Kumar Singh
- School of Basic Sciences, Indian Institute of Technology Mandi, Himachal Pradesh 175005, India
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20
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Devate NB, Krishna H, Mishra CN, Manjunath KK, Sunilkumar VP, Chauhan D, Singh S, Sinha N, Jain N, Singh GP, Singh PK. Genetic dissection of marker trait associations for grain micro-nutrients and thousand grain weight under heat and drought stress conditions in wheat. Front Plant Sci 2023; 13:1082513. [PMID: 36726675 PMCID: PMC9885108 DOI: 10.3389/fpls.2022.1082513] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 10/28/2022] [Accepted: 12/15/2022] [Indexed: 06/18/2023]
Abstract
Introduction Wheat is grown and consumed worldwide, making it an important staple food crop for both its calorific and nutritional content. In places where wheat is used as a staple food, suboptimal micronutrient content levels, especially of grain iron (Fe) and zinc (Zn), can lead to malnutrition. Grain nutrient content is influenced by abiotic stresses, such as drought and heat stress. The best method for addressing micronutrient deficiencies is the biofortification of food crops. The prerequisites for marker-assisted varietal development are the identification of the genomic region responsible for high grain iron and zinc contents and an understanding of their genetics. Methods A total of 193 diverse wheat genotypes were evaluated under drought and heat stress conditions across the years at the Indian Agricultural Research Institute (IARI), New Delhi, under timely sown irrigated (IR), restricted irrigated (RI) and late sown (LS) conditions. Grain iron content (GFeC) and grain zinc content (GZnC) were estimated from both the control and treatment groups. Genotyping of all the lines under study was carried out with the single nucleotide polymorphisms (SNPs) from Breeder's 35K Axiom Array. Result and Discussion Three subgroups were observed in the association panel based on both principal component analysis (PCA) and dendrogram analysis. A large whole-genome linkage disequilibrium (LD) block size of 3.49 Mb was observed. A genome-wide association study identified 16 unique stringent marker trait associations for GFeC, GZnC, and 1000-grain weight (TGW). In silico analysis demonstrated the presence of 28 potential candidate genes in the flanking region of 16 linked SNPs, such as synaptotagmin-like mitochondrial-lipid-binding domain, HAUS augmin-like complex, di-copper center-containing domain, protein kinase, chaperonin Cpn60, zinc finger, NUDIX hydrolase, etc. Expression levels of these genes in vegetative tissues and grain were also found. Utilization of identified markers in marker-assisted breeding may lead to the rapid development of biofortified wheat genotypes to combat malnutrition.
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Affiliation(s)
- Narayana Bhat Devate
- Division of Genetics, ICAR-Indian Agricultural research institute, New Delhi, India
| | - Hari Krishna
- Division of Genetics, ICAR-Indian Agricultural research institute, New Delhi, India
| | | | | | - V. P. Sunilkumar
- Division of Genetics, ICAR-Indian Agricultural research institute, New Delhi, India
| | - Divya Chauhan
- Division of Genetics, ICAR-Indian Agricultural research institute, New Delhi, India
| | - Shweta Singh
- Division of Genetics, ICAR-Indian Agricultural research institute, New Delhi, India
| | - Nivedita Sinha
- Division of Genetics, ICAR-Indian Agricultural research institute, New Delhi, India
| | - Neelu Jain
- Division of Genetics, ICAR-Indian Agricultural research institute, New Delhi, India
| | | | - Pradeep Kumar Singh
- Division of Genetics, ICAR-Indian Agricultural research institute, New Delhi, India
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21
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Ali R, Hameed R, Chauhan D, Sen S, Wahajuddin M, Nazir A, Verma S. Multiple Actions of H 2S-Releasing Peptides in Human β-Amyloid Expressing C. elegans. ACS Chem Neurosci 2022; 13:3378-3388. [PMID: 36351248 DOI: 10.1021/acschemneuro.2c00402] [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] [Indexed: 11/10/2022] Open
Abstract
Alzheimer's disease (AD) is a debilitating progressive neurodegenerative disorder characterized by the loss of cognitive function. A major challenge in treating this ailment fully is its multifactorial nature, as it is associated with effects like deposition of Aβ plaques, oxidative distress, inflammation of neuronal cells, and low levels of the neurotransmitter acetylcholine (ACh). In the present work, we demonstrate the design, synthesis, and biological activity of peptide conjugates by coupling a H2S-releasing moiety to the peptides known for their Aβ antiaggregating properties. These conjugates release H2S in a slow and sustained manner, due to the formation of self-assembled structures and delivered a significant amount of H2S within Caenorhabditis elegans. These conjugates are shown to target multiple factors responsible for the progression of AD: notably, we observed reduction in oxidative distress, inhibition of Aβ aggregation, and significantly increased ACh levels in the C. elegans model expressing human Aβ.
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Affiliation(s)
- Rafat Ali
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Rohil Hameed
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, Lucknow 226031, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Divya Chauhan
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Shantanu Sen
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Muhammad Wahajuddin
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.,Division of Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Aamir Nazir
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, Lucknow 226031, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sandeep Verma
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India.,Centre for Nanoscience, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India.,Mehta Family Center for Engineering in Medicine, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
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22
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Sabir M, Chauhan D, Shaikh N, Chawla R. Protective effect of self-settled retinal detachment resulting in asymmetric proliferative diabetic retinopathy. BMJ Case Rep 2022; 15:15/11/e252688. [PMID: 36450417 PMCID: PMC9716919 DOI: 10.1136/bcr-2022-252688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Affiliation(s)
- Mohd Sabir
- Ophthalmology, All India Institute of Medical Sciences, New Delhi, India
| | - Divya Chauhan
- Ophthalmology, All India Institute of Medical Sciences, New Delhi, India
| | - Nawazish Shaikh
- Ophthalmology, All India Institute of Medical Sciences, New Delhi, India
| | - Rohan Chawla
- Ophthalmology, All India Institute of Medical Sciences, New Delhi, India
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23
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Sunilkumar V, Krishna H, Devate NB, Manjunath KK, Chauhan D, Singh S, Sinha N, Singh JB, Prakasha TL, Pal D, Sivasamy M, Jain N, Singh GP, Singh PK. Marker assisted improvement for leaf rust and moisture deficit stress tolerance in wheat variety HD3086. Front Plant Sci 2022; 13:1035016. [PMID: 36352858 PMCID: PMC9638138 DOI: 10.3389/fpls.2022.1035016] [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] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
There is a significant yield reduction in the wheat crop as a result of different biotic and abiotic stresses, and changing climate, among them moisture deficit stress and leaf rust are the major ones affecting wheat worldwide. HD3086 is a high-yielding wheat variety that has been released for commercial cultivation under timely sown irrigated conditions in the Indo-Gangetic plains of India. Variety HD3086 provides a good, stable yield, and it is the choice of millions of farmers in India. It becomes susceptible to the most prevalent pathotypes 77-5 and 77-9 of Puccinia triticina (causing leaf rust) in the production environment and its potential yield cannot be realized under moisture deficit stress. The present study demonstrates the use of a marker-assisted back cross breeding approach to the successful transfer of leaf rust resistance gene Lr24 and QTLs linked to moisture deficit stress tolerance in the background of HD3086. The genotype HI1500 was used as a donor parent that possesses leaf rust-resistant gene Lr24, which confers resistance against the major pathotypes found in the production environment. It possesses inbuilt tolerance under abiotic stresses with superior quality traits. Foreground selection for gene Lr24 and moisture deficit stress tolerance QTLs linked to Canopy temperature (CT), Normal Differential Vegetation Index (NDVI) and Thousand Kernel Weight (TKW) in different generations of the backcrossing and selection. In BC2F2, foreground selection was carried out to identify homozygous lines based on the linked markers and were advanced following pedigree based phenotypic selection. The selected lines were evaluated against P. triticina pathotypes 77-5 and 77-9 under controlled conditions. Recurrent parent recovery of the selected lines ranged from 78-94%. The identified lines were evaluated for their tolerance to moisture stress under field conditions and their resistance to rust under artificial epiphytotic conditions for two years. In BC2F5 generation, eight positive lines for marker alleles were selected which showed resistance to leaf rust and recorded an improvement in component traits of moisture deficit stress tolerance such as CT, NDVI, TKW and yield compared to the recurrent parent HD3086. The derived line is named HD3471 and is nominated for national trials for testing and further release for commercial cultivation.
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Affiliation(s)
- V.P. Sunilkumar
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | - Hari Krishna
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | - Narayana Bhat Devate
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | | | - Divya Chauhan
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | - Shweta Singh
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | - Nivedita Sinha
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | - Jang Bahadur Singh
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | - T. L. Prakasha
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | - Dharam Pal
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | - M. Sivasamy
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | - Neelu Jain
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
| | - G. P. Singh
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | - P. K. Singh
- Division of Genetics, Icar- Indian Agricultural Research Institute, New Delhi, India
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24
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Devate NB, Krishna H, Parmeshwarappa SKV, Manjunath KK, Chauhan D, Singh S, Singh JB, Kumar M, Patil R, Khan H, Jain N, Singh GP, Singh PK. Genome-wide association mapping for component traits of drought and heat tolerance in wheat. Front Plant Sci 2022; 13:943033. [PMID: 36061792 PMCID: PMC9429996 DOI: 10.3389/fpls.2022.943033] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/25/2022] [Indexed: 06/01/2023]
Abstract
Identification of marker trait association is a prerequisite for marker-assisted breeding. To find markers linked with traits under heat and drought stress in bread wheat (Triticum aestivum L.), we performed a genome-wide association study (GWAS). GWAS mapping panel used in this study consists of advanced breeding lines from the IARI stress breeding programme produced by pairwise and complex crosses. Phenotyping was done at multi locations namely New Delhi, Karnal, Indore, Jharkhand and Pune with augmented-RCBD design under different moisture and heat stress regimes, namely timely sown irrigated (IR), timely sown restricted irrigated (RI) and late sown (LS) conditions. Yield and its component traits, viz., Days to Heading (DH), Days to Maturity (DM), Normalized Difference Vegetation Index (NDVI), Chlorophyll Content (SPAD), Canopy temperature (CT), Plant Height (PH), Thousand grain weight (TGW), Grain weight per spike (GWPS), Plot Yield (PLTY) and Biomass (BMS) were phenotyped. Analysis of variance and descriptive statistics revealed significant differences among the studied traits. Genotyping was done using the 35k SNP Wheat Breeder's Genotyping Array. Population structure and diversity analysis using filtered 10,546 markers revealed two subpopulations with sufficient diversity. A large whole genome LD block size of 7.15 MB was obtained at half LD decay value. Genome-wide association search identified 57 unique markers associated with various traits across the locations. Twenty-three markers were identified to be stable, among them nine pleiotropic markers were also identified. In silico search of the identified markers against the IWGSC ref genome revealed the presence of a majority of the SNPs at or near the gene coding region. These SNPs can be used for marker-assisted transfer of genes/QTLs after validation to develop climate-resilient cultivars.
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Affiliation(s)
- Narayana Bhat Devate
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Hari Krishna
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | | | | | - Divya Chauhan
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Shweta Singh
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Jang Bahadur Singh
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Monu Kumar
- Division of Genetics and Plant Breeding, ICAR-Indian Agricultural Research Institute, Gauria Karma, India
| | - Ravindra Patil
- Genetics and Plant Breeding Group, Agharkar Research Institute, Pune, India
| | - Hanif Khan
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | - Neelu Jain
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | | | - Pradeep Kumar Singh
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India
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Ashfaq M, Talreja N, Chauhan D, Rodríguez CA, Mera AC, Viswanathan MR. A facile synthesis of CuBi 2O 4 hierarchical dumbbell-shaped nanorod cluster: a promising photocatalyst for the degradation of caffeic acid. Environ Sci Pollut Res Int 2022; 29:53873-53883. [PMID: 35292897 DOI: 10.1007/s11356-022-19592-2] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
The present study reports on the synthesis of Cu-bismuth oxide (CuBi2O4)-based nanorods by using a simple co-precipitation method for the photocatalytic degradation of caffeic acid (CA). The incorporation of Cu metal ions during the synthesis of CuBi2O4 nanorods might be advantageous to avoid the aggregation and control the leach out of metal ions. The calculated bandgap values of ~ 1.04, 1.02, and 0.94 eV were observed for CuBi2O4 with different amounts of Cu 1.0, 0.50, and 0.25 g, respectively. Varying the quantity of Cu metal ions easily tuned the bandgap value within the CuBi2O4-based nanorods. However, a further decrease in the bandgap value increased the recombination rate, and the less photocatalyst performance was observed. The CA degradation could be explained based on the species distribution. The CA pKa was mainly located between pKa1 and pKa2 of 4.43 and 8.6, respectively. The Cu within the CuBi2O4-based nanorods changed the electronic properties and the antibacterial ability. Therefore, the synthesized CuBi2O4-based nanorod cluster might be a promising material for the photocatalytic degradation of CA.
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Affiliation(s)
- Mohammad Ashfaq
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St, La Serena, Chile.
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, 4070409, Concepción, Chile.
- School of Life Science, BS Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600048, India.
| | - Neetu Talreja
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St, La Serena, Chile
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, 4070409, Concepción, Chile
- Faculty of Science and Technology, Department of Sciences, Alliance University, Bengaluru, Karnataka, 562106, India
| | - Divya Chauhan
- Department of Chemical and Biomedical Engineering, University of South Florida, Tampa, FL, USA
| | - C A Rodríguez
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St, La Serena, Chile
| | - Adriana C Mera
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St, La Serena, Chile
- Departamento de Química, Laboratorio Central de Análisis Químico, Universidad de La Serena, La Serena, Chile
| | - Mangalaraja Ramalinga Viswanathan
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, 4070409, Concepción, Chile.
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Arora K, Chauhan D, Gupta M, Bhati P, Anand P, Hussain M. Impact of tele rehabilitation on clinical outcomes in patients recovering from COVID-19: a preliminary investigation. Comparative Exercise Physiology 2022. [DOI: 10.3920/cep210048] [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: 11/19/2022]
Abstract
Pulmonary rehabilitation has proven to be an effective therapeutic intervention for people with chronic respiratory disease. Considering the highly contagious nature of coronavirus disease (COVID-19), it becomes imperative to develop a method which can effectively improve clinical disease outcomes of these patients without any physical contact. The purpose of the study was to investigate the impact of tele rehabilitation on dyspnoea, endurance and quality-of-life in patients recovering from COVID 19. Thirty-two participants (age: 42.5±13.94, height: 165.8±10.06, weight: 68.5±9.63, body mass index: 25.0±3.61) who are recovering from COVID-19 were recruited as per the eligibility criteria. They were randomly allocated into two groups, Tele rehabilitation (n=16) and Control (n=16) by lottery method. All the selected participants were assessed at baseline for perceived dyspnoea, endurance and quality-of-life. Patients in the Tele rehabilitation group received 14 sessions of rehabilitation on alternate days online via google meet over a period of 28 days. Control group received usual care during the study period. Standard statistical tests were employed to test the study hypothesis. Results suggested a significant improvement in both dyspnoea (P=0.001) and endurance (P<0.001) in response to tele rehabilitation. Domains of quality-of-life such as physical role (P=0.02), vitality (P=0.04), emotional role (P=0.03), mental health (P=0.02) and physical components score (P=0.007) also showed significant improvement with tele rehabilitation in patients recovering from COVID-19. Findings of this preliminary study concludes that tele rehabilitation may be considered a treatment of choice in patients recovering from COVID-19 for improving outcomes of dyspnoea, endurance and quality-of-life.
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Affiliation(s)
- K. Arora
- Faculty of Physiotherapy, Shree Guru Gobind Singh Tricentenary University, Gurugram, Haryana, 122505, India
| | - D. Chauhan
- Faculty of Physiotherapy, Shree Guru Gobind Singh Tricentenary University, Gurugram, Haryana, 122505, India
| | - M. Gupta
- Faculty of Physiotherapy, Shree Guru Gobind Singh Tricentenary University, Gurugram, Haryana, 122505, India
| | - P. Bhati
- Faculty of Physiotherapy, Shree Guru Gobind Singh Tricentenary University, Gurugram, Haryana, 122505, India
| | - P. Anand
- Faculty of Physiotherapy, Shree Guru Gobind Singh Tricentenary University, Gurugram, Haryana, 122505, India
| | - M.E. Hussain
- Faculty of Allied Health Sciences, Shree Guru Gobind Singh Tricentenary University, Gurugram, Haryana, 122505, India
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Ashfaq M, Talreja N, Chauhan D, Rodríguez C, Mera AC, Ramalinga Viswanathan M. Synthesis of Reduced Graphene Oxide incorporated Bimetallic (Cu/Bi) nanorods based Photocatalyst Materials for the degradation of gallic acid and bacteria. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.03.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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28
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Prasad G, Mittal S, Kumar A, Chauhan D, Sahu TK, Kumar S, Singh R, Yadav MC, Singh AK. Transcriptome Analysis of Bread Wheat Genotype KRL3-4 Provides a New Insight Into Regulatory Mechanisms Associated With Sodicity (High pH) Tolerance. Front Genet 2022; 12:782366. [PMID: 35222517 PMCID: PMC8864244 DOI: 10.3389/fgene.2021.782366] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/14/2021] [Indexed: 11/24/2022] Open
Abstract
Globally, sodicity is one of the major abiotic stresses limiting the wheat productivity in arid and semi-arid regions. With due consideration, an investigation of the complex gene network associated with sodicity stress tolerance is required to identify transcriptional changes in plants during abiotic stress conditions. For this purpose, we sequenced the flag leaf transcriptome of a highly tolerant bread wheat germplasm (KRL 3-4) in order to extend our knowledge and better understanding of the molecular basis of sodicity tolerance. A total of 1,980 genes were differentially expressed in the flag leaf due to sodicity stress. Among these genes, 872 DEGs were upregulated and 1,108 were downregulated. Furthermore, annotation of DEGs revealed that a total of 1,384 genes were assigned to 2,267 GO terms corresponding to 502 (biological process), 638 (cellular component), and 1,127 (molecular function). GO annotation also revealed the involvement of genes related to several transcription factors; the important ones are expansins, peroxidase, glutathione-S-transferase, and metal ion transporters in response to sodicity. Additionally, from 127 KEGG pathways, only 40 were confidently enriched at a p-value <0.05 covering the five main KEGG categories of metabolism, i.e., environmental information processing, genetic information processing, organismal systems, and cellular processes. Most enriched pathways were prioritized using MapMan software and revealed that lipid metabolism, nutrient uptake, and protein homeostasis were paramount. We have also found 39 SNPs that mapped to the important sodicity stress-responsive genes associated with various pathways such as ROS scavenging, serine/threonine protein kinase, calcium signaling, and metal ion transporters. In a nutshell, only 19 important candidate genes contributing to sodicity tolerance in bread wheat were identified, and these genes might be helpful for better understanding and further improvement of sodicity tolerance in bread wheat.
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Affiliation(s)
- Geeta Prasad
- Division of Genomic Resources, ICAR-NBPGR, New Delhi, India
| | - Shikha Mittal
- Division of Genomic Resources, ICAR-NBPGR, New Delhi, India
| | - Arvind Kumar
- ICAR-Central Soil Salinity Research Institute, Karnal, India
| | - Divya Chauhan
- Division of Genomic Resources, ICAR-NBPGR, New Delhi, India
| | | | - Sundeep Kumar
- Division of Genomic Resources, ICAR-NBPGR, New Delhi, India
| | - Rakesh Singh
- Division of Genomic Resources, ICAR-NBPGR, New Delhi, India
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Chauhan D, Singh N, Afreen S, Talreja N, Ashfaq M, Sankararamakrishnan N, Chaudhary GR. A thermoresponsive CA-PNIPAM-based electrospun nanofibrous membrane for oil/water separation. NEW J CHEM 2022. [DOI: 10.1039/d2nj04331a] [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: 11/21/2022]
Abstract
The prepared electrospun CA-P fibrous membrane/mat has the potential ability for high-efficiency oil/water separation.
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Affiliation(s)
- Divya Chauhan
- Department of Chemistry, Punjab University, Chandigarh, India
| | - Neha Singh
- Centre for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur, India
- Department of Chemistry, Banasthali University, Banasthali, India
| | - Shagufta Afreen
- CAS Key Laboratory of Bio-based materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, P. R. China
| | - Neetu Talreja
- Department of Science, Faculty of Science and Technology, Alliance University, Anekal, Bengaluru, Karnataka 562 106, India
| | - Mohammad Ashfaq
- University Centre for Research & Development (UCRD), Chandigarh University, Gharaun, Mohali, 140413, Punjab, India
- Department of Biotechnology, Chandigarh University, Gharaun, Mohali, Punjab, 140413, India
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Ashfaq M, Talreja N, Chauhan D, Viswanathan MR. Synthesis of Cu-doped 2D-WS 2 nanosheet-based nano-antibiotic materials for inhibiting E. Coli and S. aureus bacterial strains. NEW J CHEM 2022. [DOI: 10.1039/d1nj05931a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A new class of nano-antibiotic materials must be developed to treat bacterial infectious diseases. In this context, the synthesizing Cu-metal incorporated WS2 nanosheet (Cu–WS2-NS)-based antibiotic materials might overcome such associated issues.
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Affiliation(s)
- Mohammad Ashfaq
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción 4070409, Chile
- School of Life Science, BS Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600048, India
| | - Neetu Talreja
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción 4070409, Chile
| | - Divya Chauhan
- Department of Chemical and Biomedical Engineering, University of South Florida, Tampa, FL, USA
| | - Mangalaraja Ramalinga Viswanathan
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción 4070409, Chile
- Technological Development, Unit (UDT) University of Concepcion, Coronel Industrial Park, Coronel, Chile
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Sinha R, Asif MI, Kalra N, Bansal M, Chauhan D, Shekhar H, Sharma N, Titiyal JS. Long-term Outcomes of Fibrin Glue-Assisted Intrascleral Haptic Fixation of Posterior Chamber Intraocular Lenses in Children. Eye Contact Lens 2022; 48:33-37. [PMID: 34483244 DOI: 10.1097/icl.0000000000000836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/17/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To evaluate the long-term outcomes of intrascleral haptic fixation of posterior chamber intraocular lens (PCIOL) with fibrin glue in children. METHODS This is a retrospective case study conducted in a tertiary eye institute in North India. A total of 118 eyes of 82 children who underwent glued intrascleral haptic fixation of PCIOLs were retrospectively analyzed. Detailed analysis of the indication for surgery and ocular and systemic associations was performed. The outcome measures included intraoperative complications, final visual and refractive outcomes, and postoperative complications. RESULTS The mean age of the patients was 10.16±3.94 years. Fifty-one patients (62.2%) were male and 31 (37.8%) were female. The mean follow-up period was 31.28±13.22 months. The mean preoperative corrected distance visual acuity was 1.18±0.63 Logarithm of Mean angle of resolution (logMAR) which improved to 0.60±0.58 logMAR postoperatively at 6 weeks (P<0.001). The mean preoperative and 6 weeks postoperative endothelial cell density were 3,176.08±318.6 and 2,936±289.9 cells/mm2, respectively (P=0.23). In the immediate postoperative period, corneal edema (19 eyes; 16.1%), decentered IOL/tilt (3 eyes; 2.54%), vitreous hemorrhage (3 eyes; 2.54%), optic capture (4 eyes; 3.38%), and hypotony (2 eyes; 1.69%) were seen. In the late postoperative period (>6 weeks), retinal detachment was observed in two eyes that had associated Marfan syndrome. Cystoid macular edema was seen in four eyes (3.38%), and glaucoma was seen in five eyes (4.23%). CONCLUSIONS Fibrin glue-assisted intrascleral haptic fixation of a PCIOL is a safe and effective method to manage aphakia with inadequate capsular support in children.
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Affiliation(s)
- Rajesh Sinha
- Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
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Talreja N, Afreen S, Ashfaq M, Chauhan D, Mera AC, Rodríguez CA, Mangalaraja RV. Bimetal (Fe/Zn) doped BiOI photocatalyst: An effective photodegradation of tetracycline and bacteria. Chemosphere 2021; 280:130803. [PMID: 33975241 DOI: 10.1016/j.chemosphere.2021.130803] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [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: 03/02/2021] [Revised: 04/24/2021] [Accepted: 05/01/2021] [Indexed: 06/12/2023]
Abstract
Tetracycline (TC) is one of the most commonly used broad-spectrum antibiotics to treat the bacterial infection. TC antibiotics enter into the environment because of partial metabolism in the humans and animals, thereby increasing the environmental toxicity. Therefore, it is highly needed to treat TC antibiotics from the water system. In this aspect, the present work focus on the synthesis of Fe and Zn (bimetal) incorporated with different concentrations into the bismuth-oxy-iodide (Fe/Zn-BiOI) based photocatalyst materials. The synthesized Fe/Zn-BiOI was tested against photocatalytic degradation of TC antibiotics and bacteria. The band gap value of the synthesized Fe/Zn-BiOI was calculated ~2.19 eV. The incorporation of the Fe and Zn metals within the BiOI aided advantages that increased the reactive sites, oxygen defects, photon adsorption, production of hydroxyl radicals, and decrease the recombination rate, thereby high photo-degradation ability. The maximum degradation of ~83% was observed using Fe/Zn-BiOI-1-1 at 10 mg/L of TC antibiotics concentration. Moreover, ~98% of degradation was observed at pH~10 of the TC antibiotics. The photo-activity against bacteria of the Fe/Zn-BiOI was also determined. The data suggested that the synthesized Fe/Zn-BiOI based photocatalyst materials effectively inhibited the bacterial strains. Therefore, Fe/Zn-BiOI based photocatalyst materials might be promising materials that effectively degrade TC antibiotics as well as bacteria.
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Affiliation(s)
- Neetu Talreja
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015, Juan Cisternas St., La Serena, Chile; Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción, 4070409, Chile.
| | - Shagufta Afreen
- CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences Qingdao PR China, Qingdao, China
| | - Mohammad Ashfaq
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015, Juan Cisternas St., La Serena, Chile; Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción, 4070409, Chile; School of Life Science, BS Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600048, India
| | - Divya Chauhan
- Department of Chemical and Biomedical Engineering, University of South Florida, Tampa, FL, United States.
| | - Adriana C Mera
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015, Juan Cisternas St., La Serena, Chile; Department of Chemistry, Faculty of Sciences, University of La Serena, La Serena, Chile
| | - C A Rodríguez
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015, Juan Cisternas St., La Serena, Chile; Department of Chemistry, Faculty of Sciences, University of La Serena, La Serena, Chile
| | - R V Mangalaraja
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción, 4070409, Chile.
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Moss HE, Ko MW, Mackay DD, Chauhan D, Gutierrez KG, Villegas NC, Lai KE. The Impact of COVID-19 on Neuro-Ophthalmology Office Visits and Adoption of Telemedicine Services. J Neuroophthalmol 2021; 41:362-367. [PMID: 34415270 PMCID: PMC9159905 DOI: 10.1097/wno.0000000000001356] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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] [Indexed: 11/26/2022]
Abstract
BACKGROUND The COVID-19 public health emergency (PHE) has significantly changed medical practice in the United States, including an increase in the utilization of telemedicine. Here, we characterize change in neuro-ophthalmic care delivery during the early COVID-19 PHE, including a comparison of care delivered via telemedicine and in office. METHODS Neuro-ophthalmology outpatient encounters from 3 practices in the United States (4 providers) were studied during the early COVID-19 PHE (March 15, 2020-June 15, 2020) and during the same dates 1 year prior. For unique patient visits, patient demographics, visit types, visit format, and diagnosis were compared between years and between synchronous telehealth and in-office formats for 2020. RESULTS There were 1,276 encounters for 1,167 patients. There were 30% fewer unique patient visits in 2020 vs 2019 (477 vs 670) and 55% fewer in-office visits (299 vs 670). Compared with 2019, encounters in 2020 were more likely to be established, to occur via telemedicine and to relate to an efferent diagnosis. In 2020, synchronous telehealth visits were more likely to be established compared with in-office encounters. CONCLUSIONS In the practices studied, a lower volume of neuro-ophthalmic care was delivered during the early COVID-19 public health emergency than in the same period in 2019. The type of care shifted toward established patients with efferent diagnoses and the modality of care shifted toward telemedicine.
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Affiliation(s)
- Heather E. Moss
- Department of Ophthalmology, Stanford University, Palo Alto, CA, USA
- Department of Neurology & Neurological Sciences, Stanford University, Palo Alto, CA, USA
| | - Melissa W. Ko
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Neurosurgery, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Ophthalmology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Devin D. Mackay
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Neurosurgery, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Ophthalmology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Divya Chauhan
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN, USA
| | | | | | - Kevin E. Lai
- Department of Ophthalmology, Indiana University School of Medicine, Indianapolis, IN, USA
- Ophthalmology Service, Richard L. Roudebush Veterans Administration Medical Center, Indianapolis, IN, USA
- Neuro-Ophthalmology Section, Midwest Eye Institute, Carmel, IN, USA
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Broderick L, Chen WH, Levy R, Foster A, Umanzor C, Chauhan D. POS0739 DEVELOPMENT OF A CONCEPTUAL MODEL TO UNDERSTAND DISEASE BURDEN IN PATIENTS WITH SYSTEMIC LUPUS ERYTHEMATOSUS AND LONG-TERM ORGAN DAMAGE. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Systemic lupus erythematosus (SLE) is a chronic, multisystem, autoimmune disease resulting in increased morbidity and mortality and reduced health-related quality of life (HRQoL). Patients with SLE are at risk of developing irreversible long-term organ damage (LTOD) caused by both disease activity and cumulative medication toxicities. Data regarding the overall disease burden and impact of LTOD in patients with SLE are limited.Objectives:The primary objective of this qualitative study was to develop a conceptual model to describe the burden experienced by patients with SLE and LTOD.Methods:This study (GSK Study 209754) was conducted in three phases. First, a targeted literature review was performed to aid the development of an initial draft conceptual model. Key opinion leaders (KOLs) with experience in SLE and LTOD were then interviewed to assess the clarity, language, comprehensibility, and potential use of the conceptual model, and to help shape the patient interview materials. Finally, one-on-one interviews were performed with patients with SLE and LTOD in any of the 12 organ areas (defined by the Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index [SDI]), to gather patient perspectives on the common symptoms, functional impacts, treatment experiences, and HRQoL factors associated with LTOD. Data from the interviews were coded and analysed using NVivo software to identify patterns in responses concerning the key concepts of the overall patient burden of LTOD, and used to identify concepts to include in the model.Results:The literature review produced the preliminary conceptual model of LTOD. Results of the KOL interviews (n=5 clinicians and n=1 patient advocate) indicated that the preliminary conceptual model broadly captured the patient experience of LTOD. KOLs emphasised the difference between SLE activity (flares) and LTOD; the conceptual model was subsequently updated in accordance with these recommendations. Interviews conducted with patients with confirmed single (n=9) and multiple LTOD (n=31) indicated that the burden of LTOD associated with SLE was more severe, debilitating, and life threatening than that caused by SLE flares. Almost all patients (39/40) reported aspects of their lives that were more severely affected since their LTOD diagnosis. All 40 patients reported LTOD-related physical impacts, which often affected patients’ ability to perform everyday tasks. The most frequent physical impacts reported were a loss of vitality (39/40), long-term complications (e.g. unstable blood pressure, extreme pain, poor mobility, inflammation, dialysis, infection; 36/40), and severe fatigue (29/40). Cognitive impairments that became more pronounced after their LTOD diagnosis were reported by 27/40 of patients. Typically characterised as “brain fog”, these impairments were described as slower cognitive processing, forgetfulness, confusion, and aphasia. Economic impacts associated with LTOD included patients’ inability to work (31/40), costs of care (33/40), and non-medical-related costs (17/30). Psychosocial impacts reported by patients with LTOD affected their emotional state (39/40), ability to socialise (40/40) and relationships (30/40). Additionally, 30/40 patients reported symptoms as more severe since their LTOD diagnosis, including pain (14/40), fatigue (9/40), and oedema (8/40). Patients’ treatment goals were largely aligned with their experienced impacts of LTOD, including managing the disease and symptoms (25/40), limiting further organ damage (15/40), and improving HRQoL (11/40).Conclusion:The findings from this research clearly indicate that the patient burden of LTOD far surpasses that of SLE without LTOD. These data were incorporated and refined into a conceptual model that fully represents the patient experience of LTOD. The model will help researchers, clinicians, and patients to better understand the impact of SLE-related LTOD progression.Funding:GSKAcknowledgements:Medical writing assistance was provided by Casmira Brazaitis, PhD, Fishawack Indicia Ltd., UK, part of Fishawack Health, and was funded by GSK.Disclosure of Interests:Lynne Broderick Consultant of: GSK, Wen-Hung Chen Shareholder of: GSK, Employee of: GSK, Roger Levy Shareholder of: GSK, Employee of: GSK, April Foster Consultant of: GSK, Cindy Umanzor Consultant of: GSK, Deven Chauhan Shareholder of: GSK, Employee of: GSK
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Ashfaq M, Talreja N, Chauhan D, Rodríguez CA, Mera AC, Mangalaraja RV. A novel bimetallic (Fe/Bi)-povidone-iodine micro-flowers composite for photocatalytic and antibacterial applications. J Photochem Photobiol B 2021; 219:112204. [PMID: 33957469 DOI: 10.1016/j.jphotobiol.2021.112204] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 03/20/2021] [Accepted: 04/24/2021] [Indexed: 10/21/2022]
Abstract
The present work describes the synthesis of polyvinylpyrrolidone (PVP) assisted Fe-BiOI based Fe/Bi-povidone‑iodine (Fe/Bi-P-I) micro-flowers based composite and its photocatalytic and antibacterial applications. The Fe/Bi-P-I micro-flowers-based composite material was synthesized using a simple co-precipitation method. The prepared Fe/Bi-P-I micro-flowers-based composite materials were characterized using various characterization techniques and tested against photocatalytic degradation of rhodamine B (RhB) dye and antibacterial analysis. The PVP or povidone‑iodine provides more exposure of reactive sites and oxygen vacancies, which leads to a high separation rate of photoinduced charge carriers, and migration, thereby 100% of photodegradation efficiency at 1 mg/L initial concentration of RhB dye towards the synthesized P-Fe-BiOI based micro-flowers composite. Interestingly, Povidone-Iodine in Fe/Bi-P-I micro-flowers-based composite might be advantageous for antimicrobial activity against both gram-negative (E. coli), and gram-positive (S. aureus) bacterial strains. Therefore, the prepared Fe/Bi-P-I micro-flowers-based composite improved both photocatalytic degradation of organic pollutants as well as high antimicrobial activity. The method of synthesizing the Bi/Fe-P-I micro flower composite in the present study is novel, facile, and economically viable.
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Affiliation(s)
- Mohammad Ashfaq
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St., La Serena, Chile; Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción 4070409, Chile; School of Life Science, BS Abdur Rahman Crescent Institute of Science and Technology, Chennai 600048, India.
| | - Neetu Talreja
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St., La Serena, Chile; Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción 4070409, Chile
| | - Divya Chauhan
- Department of Chemical and Biomedical Engineering, University of South Florida, Tampa, FL, United States
| | - C A Rodríguez
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St., La Serena, Chile; Department of Chemistry, Faculty of Sciences, University of La Serena, La Serena, Chile
| | - Adriana C Mera
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St., La Serena, Chile; Department of Chemistry, Faculty of Sciences, University of La Serena, La Serena, Chile
| | - R V Mangalaraja
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción 4070409, Chile
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Sasidharan V, Sachan D, Chauhan D, Talreja N, Ashfaq M. Three-dimensional (3D) polymer-metal-carbon framework for efficient removal of chemical and biological contaminants. Sci Rep 2021; 11:7708. [PMID: 33833269 PMCID: PMC8032700 DOI: 10.1038/s41598-021-86661-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 03/17/2021] [Indexed: 12/14/2022] Open
Abstract
The continuously increased existence of contaminants such as chemical and biological mainly dye, bacteria, and heavy metals ions (HMI) in water bodies has increased environmental concern due to their hostile effects on living things. Therefore, there is necessity to be developed newer materials that skirmishes such environmental menace. The present works focus on the synthesis of a novel three-dimensional (3D) polymer-metal-carbon (3D-PMC) framework for the exclusion of contaminants (chemical and biological) from water bodies. Initially, polyurethane (PU) foam was treated with nitric acid and used as a framework for the development of 3D-PMC materials. The copper nanosheet (Cu-NS) was deposited onto the functionalized PU foam to produce Cu-NS-PU material. The mechanically exfoliated graphene was mixed with chitosan to produce a graphene-chitosan homogenous suspension. The produce homogenous suspension was deposited Cu-NS-PU for the development of the 3D-PMC framework. The prepared 3D-PMC framework was characterized by scanning electron microscopy (SEM), Energy Dispersive X-Ray Analysis (EDX), Fourier-transform infrared spectroscopy (FT-IR), and X-rays diffraction (XRD) analysis. The prepared 3D-PMC framework was subjected to various adsorption parameters to assess the sorption ability of the material. The prepared 3D-PMC framework was effectively used for the removal of chromium (Cr) metal ions and Congo-red (CR) dye from the water system. The synthesis of the 3D-PMC framework is simple, novel, cost-effective, and economically viable. Therefore, the prepared 3D-PMC framework has the potential to be used as a filter assembly in water treatment technologies.
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Affiliation(s)
- V Sasidharan
- School of Life Science, BS Abdur Rahman Crescent Institute of Science and Technology, Chennai, India
| | - Deepa Sachan
- Center for the Environment, Indian Institute of Technology Guwahati, Guwahati, 781039, India
| | - Divya Chauhan
- Department of Chemical and Biomedical Engineering, University of South Florida, Tampa, USA
| | - Neetu Talreja
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St., La Serena, Chile
| | - Mohammad Ashfaq
- School of Life Science, BS Abdur Rahman Crescent Institute of Science and Technology, Chennai, India.
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Phan D, Goldstein D, Chauhan D, Skendelas J, Puius Y, Fauvel D, Taveras M, Forest S. Driveline Infection: Reroute or Not to Reroute, That is the Question. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1265] [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: 10/21/2022] Open
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Talreja N, Ashfaq M, Chauhan D, Mera AC, Rodríguez CA. Strategic Doping Approach of the Fe-BiOI Microstructure: An Improved Photodegradation Efficiency of Tetracycline. ACS Omega 2021; 6:1575-1583. [PMID: 33490817 PMCID: PMC7818580 DOI: 10.1021/acsomega.0c05398] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 12/23/2020] [Indexed: 06/12/2023]
Abstract
The present study describes the strategic doping of Fe metal ions into a BiOI microstructure using ex situ and in situ processes to synthesize a Fe-BiOI microstructure and their effect on photocatalytic degradation of tetracycline (TC). The data suggested that in situ Fe-BiOI (Fe-BiOI-In) has superior performance compared to ex situ Fe-BiOI (Fe-BiOI-Ex) due to the uniform dispersion of Fe within the Fe-BiOI material. Calculated bandgaps ∼1.8, ∼1.5, and 2.4 eV were observed for BiOI (without Fe), Fe-BiOI-In, and Fe-BiOI-Ex, respectively. Interestingly, Fe incorporation within BiOI might decrease the bandgap in Fe-BiOI-In due to the uniform distribution of metal ions, whereas increasing the bandgap in Fe-BiOI-Ex attributed to nonuniform distribution or agglomeration of metal ions. The uniform dispersion of Fe within Fe-BiOI modulates electronic properties as well as increases the exposure of Fe ions with TC, thereby higher degradation efficiency of TC. The in situ Fe-BiOI material shows 67 and 100% degradation of TC at 10 and 1 mg/L, respectively. The TC degradation was also found to be pH-dependent; when increasing the pH value up to 10, 94% degradation was achieved at 10 mg/L within 60 min of solar irradiation. The analysis was also performed over BiOI, which proves that Fe has a profound effect on TC degradation as Fe(II) tends to trigger oxidation-reduction by utilizing the chelate formation tendency of TC. Therefore, the prepared Fe-BiOI-In has the potential ability to degrade pharmaceutical compounds, especially, TC from wastewater.
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Affiliation(s)
- Neetu Talreja
- Multidisciplinary
Research Institute for Science and Technology, IIMCT, University of La Serena, La Serena 1700000, Chile
- Advanced
Ceramics and Nanotechnology Laboratory, Department of Materials Engineering,
Faculty of Engineering, University of Concepción, Concepción 4070409, Chile
| | - Mohammad Ashfaq
- Multidisciplinary
Research Institute for Science and Technology, IIMCT, University of La Serena, La Serena 1700000, Chile
- Advanced
Ceramics and Nanotechnology Laboratory, Department of Materials Engineering,
Faculty of Engineering, University of Concepción, Concepción 4070409, Chile
- School
of Life Science, BS AbdurRahaman Crescent
Institute of Science and Technology, Chennai 600048, India
| | - Divya Chauhan
- Department
of Chemical and Biomedical Engineering, University of South Florida, Tampa 33620, Florida, United States
| | - Adriana C. Mera
- Multidisciplinary
Research Institute for Science and Technology, IIMCT, University of La Serena, La Serena 1700000, Chile
| | - C. A. Rodríguez
- Multidisciplinary
Research Institute for Science and Technology, IIMCT, University of La Serena, La Serena 1700000, Chile
- Department
of Chemistry, Faculty of Sciences, University of La Serena, La Serena 1700000, Chile
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Abd-Elsalam KA, Ahmad H, Ahmed FK, Akhtar MN, Akram S, Ali I, Amjed MA, Anggorowati AA, Ashfaq M, Asif MI, Baruah S, Bhatti HN, Bhatti IA, Budihal SV, Chauhan D, Drioli E, Dutta SD, El Zerey-Belaskri A, Emmanuel Joshua Jebasingh S, Fathy NA, Gacem MA, Ganguly K, Hanif A, Hanif MA, Huang H, Hussain T, Islam T, Ismadji S, Jampílek J, Jesi Reeta T, Kalita D, Khalid T, Khan F, Khan FG, Khan I, Khan ZM, Kráľová K, Kurniawan A, Lim KT, Luan H, Mangalanagasundari S, Mansha A, Mostafa M, Murugan K, Mushtaq F, Mustafa G, Muthu K, Nadeem F, Nadeem N, Naqvi SAR, Naz I, Noreen S, Ould El Hadj Khelil A, Parwez K, Patel DK, Paulkumar K, Peng C, Perveen I, Pervez R, Rashid A, Rehan ZA, Romanovski V, Santoso SP, Sarkar AK, Sehar S, Shahid I, Shahzeb Khan M, Sherazi TA, Soetaredjo FE, Syed U, Tabasum A, Tahir N, Talreja N, Tehrim A, Telli A, Ullah A, Ullah I, Ulucan-Altuntas K, Wink J, Yuliansa M, Zahid M. Contributors. Aquananotechnology 2021:xi-xiv. [DOI: 10.1016/b978-0-12-821141-0.09994-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Talreja N, Ashfaq M, Chauhan D, Mera AC, Rodríguez CA, Mangalaraja RV. A Zn-doped BiOI microsponge-based photocatalyst material for complete photodegradation of environmental contaminants. NEW J CHEM 2021. [DOI: 10.1039/d1nj03415d] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The present study describes Zn metal incorporation within BiOI microsponge structures for the photocatalytic degradation of tetracycline (TC) antibiotics.
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Affiliation(s)
- Neetu Talreja
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St., La Serena, Chile
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción 4070409, Chile
| | - Mohammad Ashfaq
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St., La Serena, Chile
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción 4070409, Chile
- School of Life Science, BS Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600048, India
| | - Divya Chauhan
- Department of Chemical and Biomedical Engineering, University of South Florida, Tampa, FL, USA
| | - Adriana C. Mera
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St., La Serena, Chile
- Department of Chemistry, Faculty of Sciences, University of La Serena, La Serena, Chile
| | - C. A. Rodríguez
- Multidisciplinary Research Institute for Science and Technology, IIMCT, University of La Serena, 1015 Juan Cisternas St., La Serena, Chile
- Department of Chemistry, Faculty of Sciences, University of La Serena, La Serena, Chile
| | - R. V. Mangalaraja
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepción, Concepción 4070409, Chile
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Pradhan AK, Kumar S, Singh AK, Budhlakoti N, Mishra DC, Chauhan D, Mittal S, Grover M, Kumar S, Gangwar OP, Kumar S, Gupta A, Bhardwaj SC, Rai A, Singh K. Identification of QTLs/Defense Genes Effective at Seedling Stage Against Prevailing Races of Wheat Stripe Rust in India. Front Genet 2020; 11:572975. [PMID: 33329711 PMCID: PMC7728992 DOI: 10.3389/fgene.2020.572975] [Citation(s) in RCA: 9] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 09/30/2020] [Indexed: 01/06/2023] Open
Abstract
Resistance in modern wheat cultivars for stripe rust is not long lasting due to the narrow genetic base and periodical evolution of new pathogenic races. Though nearly 83 Yr genes conferring resistance to stripe rust have been cataloged so far, few of them have been mapped and utilized in breeding programs. Characterization of wheat germplasm for novel sources of resistance and their incorporation into elite cultivars is required to achieve durable resistance and thus to minimize the yield losses. Here, a genome-wide association study (GWAS) was performed on a set of 391 germplasm lines with the aim to identify quantitative trait loci (QTL) using 35K Axiom® array. Phenotypic evaluation disease severity against four stripe rust pathotypes, i.e., 46S119, 110S119, 238S119, and 47S103 (T) at the seedling stage in a greenhouse providing optimal conditions was carried out consecutively for 2 years (2018 and 2019 winter season). We identified, a total of 17 promising QTl which passed FDR criteria. Moreover these 17 QTL identified in the current study were mapped at different genomic locations i.e. 1B, 2A, 2B, 2D, 3A, 3B, 3D, 4B, 5B and 6B. These 17 QTLs identified in the present study might play a key role in marker-assisted breeding for developing stripe rust resistant wheat cultivars.
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Affiliation(s)
- Anjan Kumar Pradhan
- Indian Council of Agricultural Research-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Sundeep Kumar
- Indian Council of Agricultural Research-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Amit Kumar Singh
- Indian Council of Agricultural Research-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Neeraj Budhlakoti
- Indian Council of Agricultural Research-Indian Agricultural Statistics Research Institute, New Delhi, India
| | - Dwijesh C Mishra
- Indian Council of Agricultural Research-Indian Agricultural Statistics Research Institute, New Delhi, India
| | - Divya Chauhan
- Indian Council of Agricultural Research-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Shikha Mittal
- Indian Council of Agricultural Research-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Monendra Grover
- Indian Council of Agricultural Research-Indian Agricultural Statistics Research Institute, New Delhi, India
| | - Suneel Kumar
- Indian Council of Agricultural Research-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Om P Gangwar
- Indian Council of Agricultural Research-Indian Institute of Wheat and Barley Research, Regional Station, Shimla, India
| | - Subodh Kumar
- Indian Council of Agricultural Research-Indian Institute of Wheat and Barley Research, Regional Station, Shimla, India
| | - Arun Gupta
- Indian Council of Agricultural Research-Indian Institute of Wheat and Barley Research, Karnal, India
| | - Subhash C Bhardwaj
- Indian Council of Agricultural Research-Indian Institute of Wheat and Barley Research, Regional Station, Shimla, India
| | - Anil Rai
- Indian Council of Agricultural Research-Indian Agricultural Statistics Research Institute, New Delhi, India
| | - Kuldeep Singh
- Indian Council of Agricultural Research-National Bureau of Plant Genetic Resources, New Delhi, India
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Aharmim B, Ahmed S, Anthony A, Barros N, Beier E, Bellerive A, Beltran B, Bergevin M, Biller S, Blucher E, Bonventre R, Boudjemline K, Boulay M, Cai B, Callaghan E, Caravaca J, Chan Y, Chauhan D, Chen M, Cleveland B, Cox G, Dai X, Deng H, Descamps F, Detwiler J, Doe P, Doucas G, Drouin PL, Dunford M, Elliott S, Evans H, Ewan G, Farine J, Fergani H, Fleurot F, Ford R, Formaggio J, Gagnon N, Gilje K, Goon J, Graham K, Guillian E, Habib S, Hahn R, Hallin A, Hallman E, Harvey P, Hazama R, Heintzelman W, Heise J, Helmer R, Hime A, Howard C, Huang M, Jagam P, Jamieson B, Jelley N, Jerkins M, Keeter K, Klein J, Kormos L, Kos M, Kraus C, Krauss C, Krüger A, Kutter T, Kyba C, Labe K, Land B, Lange R, LaTorre A, Law J, Lawson I, Lesko K, Leslie J, Levine I, Loach J, MacLellan R, Majerus S, Mak H, Maneira J, Martin R, Mastbaum A, McCauley N, McDonald A, McGee S, Miller M, Monreal B, Monroe J, Nickel B, Noble A, O’Keeffe H, Oblath N, Okada C, Ollerhead R, Orebi Gann G, Oser S, Ott R, Peeters S, Poon A, Prior G, Reitzner S, Rielage K, Robertson B, Robertson R, Schwendener M, Secrest J, Seibert S, Simard O, Sinclair D, Skensved P, Sonley T, Stonehill L, Tešić G, Tolich N, Tsui T, Van Berg R, VanDevender B, Virtue C, Wall B, Waller D, Wan Chan Tseung H, Wark D, Wendland J, West N, Wilkerson J, Wilson J, Winchester T, Wright A, Yeh M, Zhang F, Zuber K. Search for
hep
solar neutrinos and the diffuse supernova neutrino background using all three phases of the Sudbury Neutrino Observatory. Int J Clin Exp Med 2020. [DOI: 10.1103/physrevd.102.062006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Kumar S, Kumari J, Bhusal N, Pradhan AK, Budhlakoti N, Mishra DC, Chauhan D, Kumar S, Singh AK, Reynolds M, Singh GP, Singh K, Sareen S. Genome-Wide Association Study Reveals Genomic Regions Associated With Ten Agronomical Traits in Wheat Under Late-Sown Conditions. Front Plant Sci 2020; 11:549743. [PMID: 33042178 PMCID: PMC7527491 DOI: 10.3389/fpls.2020.549743] [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] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 08/27/2020] [Indexed: 06/11/2023]
Abstract
Poor understanding of the genetic and molecular basis of heat tolerance component traits is a major bottleneck in designing heat tolerant wheat cultivars. The impact of terminal heat stress is generally reported in the case of late sown wheat. In this study, our aim was to identify genomic regions for various agronomic traits under late sown conditions by using genome-wide association approach. An association mapping panel of 205 wheat accessions was evaluated under late sown conditions at three different locations in India. Genotyping of the association panel revealed 15,886 SNPs, out of which 11,911 SNPs with exact physical locations on the wheat reference genome were used in association analysis. A total of 69 QTLs (10 significantly associated and 59 suggestive) were identified for ten different traits including productive tiller number (17), grain yield (14), plant height (12), grain filling rate (6), grain filling duration (5), days to physiological maturity (4), grain number (3), thousand grain weight (3), harvest index (3), and biomass (2). Out of these associated QTLs, 17 were novel for traits, namely PTL (3), GY (2), GFR (6), HI (3) and GNM (3). Moreover, five consistent QTLs across environments were identified for GY (4) and TGW (1). Also, 11 multi-trait SNPs and three hot spot regions on Chr1Ds, Chr2BS, Chr2DS harboring many QTLs for many traits were identified. In addition, identification of heat tolerant germplasm lines based on favorable alleles HD2888, IC611071, IC611273, IC75240, IC321906, IC416188, and J31-170 would facilitate their targeted introgression into popular wheat cultivars. The significantly associated QTLs identified in the present study can be further validated to identify robust markers for utilization in marker-assisted selection (MAS) for development of heat tolerant wheat cultivars.
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Affiliation(s)
- Sundeep Kumar
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Jyoti Kumari
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Nabin Bhusal
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | | | - Neeraj Budhlakoti
- ICAR-Indian Agricultural Statistics Research Institute, New Delhi, India
| | | | - Divya Chauhan
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Suneel Kumar
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Amit Kumar Singh
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Mathew Reynolds
- International Maize and Wheat Improvement Center (CIMMYT), El Batan, Mexico
| | | | - Kuldeep Singh
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Sindhu Sareen
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
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Owen CN, Shoushtari AN, Chauhan D, Palmieri DJ, Lee B, Rohaan MW, Mangana J, Atkinson V, Zaman F, Young A, Hoeller C, Hersey P, Dummer R, Khattak MA, Millward M, Patel SP, Haydon A, Johnson DB, Lo S, Blank CU, Sandhu S, Carlino MS, Larkin JMG, Menzies AM, Long GV. Management of early melanoma recurrence despite adjuvant anti-PD-1 antibody therapy ☆. Ann Oncol 2020; 31:1075-1082. [PMID: 32387454 PMCID: PMC9211001 DOI: 10.1016/j.annonc.2020.04.471] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [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: 02/09/2020] [Revised: 04/13/2020] [Accepted: 04/23/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Anti-programmed cell death protein 1 (PD-1) antibodies (PD1) prolong recurrence-free survival in high-risk resected melanoma; however, approximately 25%-30% of patients recur within 1 year. This study describes the pattern of recurrence, management and outcomes of patients who recur with adjuvant PD1 therapy. PATIENTS AND METHODS Consecutive patients from 16 centres who recurred having received adjuvant PD1 therapy for resected stage III/IV melanoma were studied. Recurrence characteristics, management and outcomes were examined; patients with mucosal melanoma were analysed separately. RESULTS Melanoma recurrence occurred in 147 (17%) of ∼850 patients treated with adjuvant PD1. In those with cutaneous melanoma (n = 136), median time to recurrence was 4.6 months (range 0.3-35.7); 104 (76%) recurred during (ON) adjuvant PD1 after a median 3.2 months and 32 (24%) following (OFF) treatment cessation after a median 12.5 months, including in 21 (15%) who ceased early for toxicity. Fifty-nine (43%) recurred with locoregional disease only and 77 (57%) with distant disease. Of those who recurred locally, 22/59 (37%) subsequently recurred distantly. Eighty-nine (65%) patients received systemic therapy after recurrence. Of those who recurred ON adjuvant PD1, none (0/6) responded to PD1 alone; 8/33 assessable patients (24%) responded to ipilimumab (alone or in combination with PD1) and 18/23 (78%) responded to BRAF/MEK inhibitors. Of those who recurred OFF adjuvant PD1, two out of five (40%) responded to PD1 monotherapy, two out of five (40%) responded to ipilimumab-based therapy and 9/10 (90%) responded to BRAF/MEK inhibitors. CONCLUSIONS Most patients who recur early despite adjuvant PD1 develop distant metastases. In those who recur ON adjuvant PD1, there is minimal activity of further PD1 monotherapy, but ipilimumab (alone or in combination with PD1) and BRAF/MEK inhibitors have clinical utility. Retreatment with PD1 may have activity in select patients who recur OFF PD1.
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Affiliation(s)
- C N Owen
- Melanoma Institute Australia, The University of Sydney, Sydney, Australia
| | | | - D Chauhan
- The Royal Marsden NHS Foundation Trust, London, UK
| | - D J Palmieri
- Westmead Hospital and Blacktown Hospitals, Sydney, Australia
| | - B Lee
- Peter MacCallum Cancer Centre, University of Melbourne, Melbourne, Australia
| | - M W Rohaan
- Netherlands Cancer Institute, Amsterdam, Netherlands
| | - J Mangana
- University Hospital Zurich, Zürich, Switzerland
| | - V Atkinson
- Greenslopes Private Hospital, Princess Alexandra Hospital and The University of Queensland, Brisbane, Australia
| | - F Zaman
- The Alfred Hospital, Melbourne, Australia
| | - A Young
- Vanderbilt University Medical Center, Nashville, USA
| | - C Hoeller
- Medical University of Vienna, Vienna, Austria
| | - P Hersey
- Melanoma Institute Australia, The University of Sydney, Sydney, Australia
| | - R Dummer
- University Hospital Zurich, Zürich, Switzerland
| | - M A Khattak
- Fiona Stanley Hospital, The University of Western Australia, Perth, Australia
| | - M Millward
- School of Medicine and Pharmacology, Nedlands, Australia
| | - S P Patel
- The University of Texas MD Anderson Cancer Center, Houston, USA
| | - A Haydon
- The Alfred Hospital, Melbourne, Australia
| | - D B Johnson
- Vanderbilt University Medical Center, Nashville, USA
| | - S Lo
- Melanoma Institute Australia, The University of Sydney, Sydney, Australia
| | - C U Blank
- Netherlands Cancer Institute, Amsterdam, Netherlands
| | - S Sandhu
- Peter MacCallum Cancer Centre, University of Melbourne, Melbourne, Australia
| | - M S Carlino
- Melanoma Institute Australia, The University of Sydney, Sydney, Australia; Westmead Hospital and Blacktown Hospitals, Sydney, Australia
| | - J M G Larkin
- The Royal Marsden NHS Foundation Trust, London, UK
| | - A M Menzies
- Melanoma Institute Australia, The University of Sydney, Sydney, Australia; Royal North Shore and Mater Hospitals, Sydney, Australia
| | - G V Long
- Melanoma Institute Australia, The University of Sydney, Sydney, Australia; Royal North Shore and Mater Hospitals, Sydney, Australia.
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Chauhan D, Kumar S, Hashim SR, Raj V. Pharmacophore Generation, Quantitative Structure-Activity Relationship (QSAR), and Molecular Dynamic Simulation of Newly Substituted N-(6- Chloro-3-cyano-4-phenyl-4H-chromen-2-yl)-2-(4-chloro-phenoxy)-acetamide for Anticancer Activity. Curr Comput Aided Drug Des 2020; 17:504-510. [PMID: 32484104 DOI: 10.2174/1573409916666200525150410] [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: 01/18/2020] [Revised: 03/28/2020] [Accepted: 04/08/2020] [Indexed: 11/22/2022]
Abstract
OBJECTIVE The main objective of the study was to develop the Quantitative Structure- Activity Relationship (QSAR) and pharmacophore model by using data obtained from HT-29 cells to develop potent lead molecule for the scientific community. MATERIALS AND METHODS Common pharmacophore model, atom-based 3D-QSAR, and molecular dynamic (MD) simulation were carried out via computational techniques by using 4H-chromene derivatives. RESULTS The reliable common pharmacophoric hypothesis, DHH13 was generated and 3.95 survival value was also found. Furthermore, the statistically significant 3D-QSAR model was developed where r2=0.52 was found by using the Partial least squares (PLS) regression method. Phase predicted activity and Log GI50 demonstrated an important atomic position in the structure of ligands to ascertain anti colon cancer activity. Also, MD simulation was carried out between top rank leads targeting IL-6 that provided better binding conformational and complex stability into the active pocket site of the target throughout the MD simulation. CONCLUSION The outcome of this design shows that the pharmacophore model and 3D-QSAR might be helpful for researchers in the field of medicinal chemistry to design and develop potential anti colon cancer compounds.
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Affiliation(s)
- Divya Chauhan
- Department of Chemistry, School of Sciences, IFTM University, Moradabad, Uttar Pradesh, India
| | - Sushil Kumar
- School of Pharmaceutical Sciences, IFTM University, Moradabad, Uttar Pradesh, India
| | - Syed Riaz Hashim
- Department of Chemistry, School of Sciences, IFTM University, Moradabad, Uttar Pradesh, India
| | - Vinit Raj
- Gyan Vihar School of Pharmacy, Suresh Gyan vihar University, Jaipur, Rajasthan, India
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Skendelas J, Chauhan D, Lee J, Seethamraju H, Scheinin S, Forest S. Risk Factors of Delayed Catastrophic Intra-Abdominal Complication after Lung Transplant: A Review of the UNOS Database. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.704] [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: 10/24/2022] Open
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Chauhan D, Wetzler J, Phan D, Puius Y, Saeed O, Patel S, Sims D, Vukelic S, Shin J, Chavez P, Murthy S, Jorde U, Goldstein D, Forest S. Driveline Rerouting and Incision & Drainage for the Management of Chronic Driveline Infection in LVAD Recipients. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.065] [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: 10/24/2022] Open
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Chauhan D, Skendelas J, Cohen S, Forest S, Patel S, Sims D, Shin J, Vukelic S, Jakobleff W, Goldstein D, Jorde U, Saeed O. Waitlist Outcomes in Patients with Blood Group O during Continuous Flow Left Ventricular Assist Device Support. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.975] [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] Open
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Kumar S, Chauhan D, Gupta P, Syed A, Chowdhury N, Rao S, Sharda P, Mehrotra S, Kapoor A, Pandey D, Ravi B. Cytological yield in detecting malignant cells in axillary lymph nodes showing abnormal morphology on imaging–Our experience in a tertiary center in North India. Breast J 2020; 26:1434-1435. [DOI: 10.1111/tbj.13768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 01/14/2020] [Accepted: 01/15/2020] [Indexed: 11/28/2022]
Affiliation(s)
- Sumit Kumar
- Department of Integrated Breast Care Centre AIIMS Rishikesh India
| | - Divya Chauhan
- Department of Integrated Breast Care Centre AIIMS Rishikesh India
| | - Priyanka Gupta
- Department of Integrated Breast Care Centre AIIMS Rishikesh India
| | - Anjum Syed
- Department of Integrated Breast Care Centre AIIMS Rishikesh India
| | | | - Shalinee Rao
- Department of Integrated Breast Care Centre AIIMS Rishikesh India
| | - Prateek Sharda
- Department of Integrated Breast Care Centre AIIMS Rishikesh India
| | - Surabhi Mehrotra
- Department of Integrated Breast Care Centre AIIMS Rishikesh India
| | - Aakriti Kapoor
- Department of Integrated Breast Care Centre AIIMS Rishikesh India
| | - Divya Pandey
- Department of Integrated Breast Care Centre AIIMS Rishikesh India
| | - Bina Ravi
- Department of Integrated Breast Care Centre AIIMS Rishikesh India
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Chauhan D, Hashim SR, Rani P, Kumar S, Shrimal N, Shastri D, Raj V. Discovery of Substituted N-(6-Chloro-3-cyano-4-phenyl-4H-chromen-2-yl)- 2-(4-chloro-phenoxy)-acetamide for Biphasic Anticancer and Anticonvulsant Activities. Med Chem 2019; 17:203-215. [PMID: 31808391 DOI: 10.2174/1573406415666191206101617] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 10/01/2019] [Accepted: 10/15/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Privileged 4H-chromenes possess potent anticancer and anticonvulsant activities. By the inspiring potency of 4H-chromenes and demands of the present era of scaffolds, an effective molecule was discovered for the treatment of cancer and related diseases. OBJECTIVE This study designed and synthesized a novel series of 4H-chromene derivatives from one-port synthesis for the treatment of cancer and other such diseases. METHODS A side amide chain was substituted in multiple steps on the amine group of chromene. Later, the anticancer activity of synthesized compounds was investigated against the human colon adenocarcinoma cell line (HT-29) using sulforhodamine B (SRB) assay. Moreover, anticonvulsant activity was also detected using maximal electroshock seizure (MES) model and subcutaneous Metrazol Seizure Threshold Test (scMET) in albino Wistar rats. Neurotoxicity was evaluated by using the rotarod test. Before the synthesis, docking studies were performed using various molecular targets. Subsequently, the computational study of the titled compounds was performed to predict the pharmacokinetic profile. RESULTS Among the fifteen tested compounds, A4 and A9 were found to be active against HT-29 cells (growth inhibitory dose 50% (GI50) <11μM). Moreover, compounds A4 showed the protection at 300mg/kg in scMET (h) for albino Wistar rats and compounds A9, A11, and A15 exhibited the anticonvulsant effect at the doses 100, 300 and 300 mg/kg, respectively in MES screen (h). CONCLUSION Due to these encouraging results, we concluded that both A4 and A9 may be effective for treatement against colon cancer, while compound A9 may be used as a considerable effective molecule for the treatment of epilepsy.
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Affiliation(s)
- Divya Chauhan
- Department of Chemistry, School of Sciences, IFTM University, Moradabad, Uttar Pradesh, India
| | - Syad Riaz Hashim
- Department of Chemistry, School of Sciences, IFTM University, Moradabad, Uttar Pradesh, India
| | - Prinka Rani
- Department of Chemistry, School of Sciences, IFTM University, Moradabad, Uttar Pradesh, India
| | - Sushil Kumar
- School of Pharmaceutical Sciences, IFTM University, Moradabad, Uttar Pradesh, India
| | - Navratan Shrimal
- Gyan Vihar School of Pharmacy, Suresh Gyan Vihar University, Jaipur, Rajasthan, India
| | - Divya Shastri
- Department of Pharmacy, Central University of Rajasthan, Ajmer, Rajasthan, India
| | - Vinit Raj
- Gyan Vihar School of Pharmacy, Suresh Gyan Vihar University, Jaipur, Rajasthan, India
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