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Saurav Jyoti Patgiri

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Borgohain P, Shakya A, Ghosh SK, Gogoi N, Patgiri SJ, Bhowmick IP, Bhattacharyya DR, Singh UP, Bhat HR. Design, in silico study, synthesis and evaluation of hybrid pyrazole substituted 1,3,5-triazine derivatives for antimalarial activity. Exp Parasitol 2024;261:108767. [PMID: 38679125 DOI: 10.1016/j.exppara.2024.108767] [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: 09/18/2023] [Revised: 04/17/2024] [Accepted: 04/25/2024] [Indexed: 05/01/2024]

Boro P, Gongo T, Ori K, Kamki Y, Ete N, Jini M, Jampa L, Patgiri SJ, Sarmah N, Siddique AI, Bhattacharjee CK, Bali NK, Borkakoty B. An outbreak of acute hemorrhagic conjunctivitis due to Coxsackievirus A24 in a residential school, Naharlagun, Arunachal Pradesh: July 2023. Indian J Med Microbiol 2024;48:100549. [PMID: 38395257 DOI: 10.1016/j.ijmmb.2024.100549] [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: 09/04/2023] [Revised: 02/09/2024] [Accepted: 02/21/2024] [Indexed: 02/25/2024]

Abstract

PURPOSE

An acute conjunctivitis outbreak was investigated at a residential school in Naharlagun, Arunachal Pradesh, Northeast India, in July 2023. We aimed to identify the etiological agent and assess any complications in follow-up cases.

METHODS

We used a structured questionnaire to record clinical findings and followed up with cases one-month post-conjunctivitis. Sixty-one cases were examined and eight conjunctival and oropharyngeal swab samples were collected after obtaining informed consent from guardians/school authorities. We screened for 33 viral and bacterial pathogens using an IVD-approved Real-time PCR assay. Further, the samples were subjected to nucleic acid sequencing.

RESULTS

Among 465 screened students and staff, 80 individuals (approximately 17.2%) showed acute hemorrhagic conjunctivitis symptoms among which 61 cases were available for clinical examination. We identified the Enterovirus responsible by targeted sequencing using next-generation sequencing. The etiological agent was found to be Coxsackievirus A24, a member of Enterovirus C, in seven out of eight samples subjected to sequencing. Common symptoms included conjunctival hyperemia and foreign body sensation (100%), bilateral eye involvement (73.8%), eye pain (70%), watery discharge (49.2%), and eyelid swelling (38%). Only 6.5% had purulent discharge. Most cases resolved within 5-6 days, with only 9.8% reporting abdominal symptoms post-conjunctivitis. No serious complications occurred within one month. Throat swabs aided in diagnosing enterovirus infections alongside eye swabs.

CONCLUSIONS

The outbreak of acute conjunctivitis was caused by Coxsackievirus A24, a member of Enterovirus C. Cases resolved spontaneously within 6-7 days, with no severe complications. Collecting oropharyngeal swabs alongside conjunctival swabs could improve enteroviral conjunctivitis diagnosis.

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Rajkonwar J, Shende V, Maji AK, Pandey A, Sharma PK, Gunasekaran K, Subbarao SK, Bhattacharyya DR, Raghavendra K, Pebam R, Mayakrishnan V, Gogoi P, Senapati S, Sarkar P, Biswas S, Debbarma D, Nirmolia T, Jena SR, Bayan B, Talukder P, Sihag AK, Bharali HS, Verma A, Mahanta K, Sumer G, Karmakar R, Patgiri SJ, Chaudhuri S, Ganguli S, Kaur H, Bhattacharyya TK, Joshi PL, Goswami B, Baruah K, Pati S, Narain K, Bhowmick IP. First Report of Anopheles annularis s.l., An. maculatus s.s., and An. culicifacies s.l. as Malaria Vectors and a New Occurrence Record for An. pseudowillmori and An. sawadwongporni in Alipurduar District Villages, West Bengal, India. Microorganisms 2024;12:95. [PMID: 38257922 PMCID: PMC10818895 DOI: 10.3390/microorganisms12010095] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/11/2023] [Accepted: 12/15/2023] [Indexed: 01/24/2024] Open

Affiliation(s)

Jadab Rajkonwar Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Varun Shende Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Ananta Kumar Maji District Health & Family Welfare Samiti, Alipurduar 736121, India; (A.K.M.); (S.C.); (S.G.)
Apoorva Pandey Indian Council of Medical Research (ICMR), Ramalingaswami Bhavan, New Delhi 110029, India; (A.P.); (H.K.)
Puran K. Sharma Department of Health & Family Welfare, Govt of West Bengal, Alipurduar 736121, India;
Kasinathan Gunasekaran ICMR-Vector Control Research Centre, Indira Nagar, Puducherry 605006, India;
Sarala K. Subbarao ICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi 110077, India;
Dibya Ranjan Bhattacharyya Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Kamaraju Raghavendra ICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi 110077, India;
Rocky Pebam NorthEast Space Application Centre (NESAC), Department of Space, Government of India, Umiam 793103, India; (R.P.); (D.D.)
Vijay Mayakrishnan Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Phiroz Gogoi Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Susmita Senapati Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Pallabi Sarkar Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Saurav Biswas Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Daniel Debbarma NorthEast Space Application Centre (NESAC), Department of Space, Government of India, Umiam 793103, India; (R.P.); (D.D.)
Tulika Nirmolia National Health Mission, Bishwanath Charali 784176, India;
Sasmita Rani Jena Regional Office of Health and Family Welfare, Kolkata 700106, India; (S.R.J.); (T.K.B.)
Bahniman Bayan Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Pinki Talukder Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Ashwarya Kumari Sihag Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Himadri Sankar Bharali Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Anisha Verma Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Kongkon Mahanta Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Gonsalo Sumer Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Ranjan Karmakar Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Saurav Jyoti Patgiri Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Supriya Chaudhuri District Health & Family Welfare Samiti, Alipurduar 736121, India; (A.K.M.); (S.C.); (S.G.)
Sumit Ganguli District Health & Family Welfare Samiti, Alipurduar 736121, India; (A.K.M.); (S.C.); (S.G.)
Harpreet Kaur Indian Council of Medical Research (ICMR), Ramalingaswami Bhavan, New Delhi 110029, India; (A.P.); (H.K.)
Tapas K. Bhattacharyya Regional Office of Health and Family Welfare, Kolkata 700106, India; (S.R.J.); (T.K.B.)
Pyare Laal Joshi Directorate of National Vector Borne Disease Control Programme, Ministry of Health and Family Welfare, Government of India, Delhi 110054, India; (P.L.J.); (K.B.)
Bidhan Goswami Agartala Govt Medical College, Agartala 799006, India;
Kalpana Baruah Directorate of National Vector Borne Disease Control Programme, Ministry of Health and Family Welfare, Government of India, Delhi 110054, India; (P.L.J.); (K.B.)
Sanghamitra Pati Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Kanwar Narain Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)
Ipsita Pal Bhowmick Regional Medical Research Centre, Northeast Region (RMRC-NE)-ICMR, Dibrugarh 786001, India; (J.R.); (V.S.); (D.R.B.); (V.M.); (P.G.); (S.S.); (P.S.); (S.B.); (B.B.); (P.T.); (A.K.S.); (H.S.B.); (A.V.); (K.M.); (G.S.); (R.K.); (S.J.P.); (S.P.); (K.N.)

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Choudhury AAK, Vinayagam S, Adhikari N, Saha A, Ghosh SK, Bhat HR, Patgiri SJ. Hybrid PABA-glutamic acid conjugated 1,3,5-triazine derivatives: Design, synthesis, and antimalarial activity screening targeting Plasmodium falciparum dihydro folate reductase enzyme. Chem Biol Drug Des 2023;102:1336-1352. [PMID: 37783571 DOI: 10.1111/cbdd.14317] [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: 04/19/2023] [Revised: 07/17/2023] [Accepted: 07/20/2023] [Indexed: 10/04/2023]

Vinayagam S, Nirmolia T, Chetry S, Kumar NP, Saini P, Bhattacharyya DR, Bhowmick IP, Sattu K, Patgiri SJ. Molecular Evidence of Wolbachia Species in Wild-Caught Aedes albopictus and Aedes aegypti Mosquitoes in Four States of Northeast India. J Trop Med 2023;2023:6678627. [PMID: 37706052 PMCID: PMC10497363 DOI: 10.1155/2023/6678627] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/17/2023] [Accepted: 08/25/2023] [Indexed: 09/15/2023] Open

Saha A, Choudhury AAK, Adhikari N, Ghosh SK, Shakya A, Patgiri SJ, Singh UP, Bhat HR. In silico screening, synthesis, and antimalarial evaluation of PABA substituted 1,3,5-triazine derivatives as Pf-DHFR inhibitors. Exp Parasitol 2023;250:108546. [PMID: 37196703 DOI: 10.1016/j.exppara.2023.108546] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 04/14/2023] [Accepted: 05/13/2023] [Indexed: 05/19/2023]

Saha A, Choudhury AAK, Adhikari N, Ghosh SK, Shakya A, Patgiri SJ, Pratap Singh U, Bhat HR. Molecular docking and antimalarial evaluation of hybrid para-aminobenzoic acid 1,3,5 triazine derivatives via inhibition of Pf-DHFR. J Biomol Struct Dyn 2023;41:15520-15534. [PMID: 37154740 DOI: 10.1080/07391102.2023.2208207] [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: 05/31/2022] [Accepted: 03/03/2023] [Indexed: 05/10/2023]

Adhikari N, Choudhury AAK, Shakya A, Ghosh SK, Patgiri SJ, Singh UP, Bhat HR. Molecular docking and antimalarial evaluation of novel N-(4-aminobenzoyl)-l-glutamic acid conjugated 1,3,5-triazine derivatives as Pf-DHFR inhibitors. 3 Biotech 2022;12:347. [PMID: 36386564 PMCID: PMC9649585 DOI: 10.1007/s13205-022-03400-2] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 10/12/2022] [Indexed: 11/12/2022] Open

Ahmed MA, Zaidi RH, Deshmukh GY, Saif A, Alshahrani MA, Salam SS, Elfaki MMA, Han JH, Patgiri SJ, Quan FS. Genetic Diversity and Population Genetic Structure Analysis of Plasmodium knowlesi Thrombospondin-Related Apical Merozoite Protein (TRAMP) in Clinical Samples. Genes (Basel) 2022;13:1944. [PMID: 36360181 PMCID: PMC9689803 DOI: 10.3390/genes13111944] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/12/2022] [Accepted: 10/19/2022] [Indexed: 08/20/2023] Open

Sathishkumar V, Nirmolia T, Bhattacharyya DR, Patgiri SJ. Genetic polymorphism of Plasmodium falciparum msp-1, msp-2 and glurp vaccine candidate genes in pre-artemisinin era clinical isolates from Lakhimpur district in Assam, Northeast India. Access Microbiol 2022;4:000350. [PMID: 35812711 PMCID: PMC9260089 DOI: 10.1099/acmi.0.000350] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 03/14/2022] [Indexed: 11/18/2022] Open

Abstract

Background

Northeast India shares its international border with Southeast Asia and has a number of malaria endemic zones. Monitoring genetic diversity of malaria parasites is important in this area as drug resistance and increasing genetic diversity form a vicious cycle in which one favours the development of the other. This retrospective study was done to evaluate the genetic diversity patterns in Plasmodium falciparum strains circulating in North Lakhimpur area of Assam in the pre-artemisinin era and compare the findings with current diversity patterns.

Methods

Genomic DNA extraction was done from archived blood spot samples collected in 2006 from malaria-positive cases in Lakhimpur district of Assam, Northeast India. Three antigenic markers of genetic diversity were studied – msp-1 (block-2), msp-2 (block-3) and the glurp RII region of P. falciparum using nested PCR.

Results

Allelic diversity was examined in 71 isolates and high polymorphism was observed. In msp-1, eight genotypes were detected; K1 (single allele), MAD20 (six different alleles) and RO33 (single allele) allelic families were noted. Among msp-2 genotypes, 22 distinct alleles were observed out of which FC27 had six alleles and IC/3D7 had 16 alleles. In RII region of glurp, nine genotypes were obtained. Expected heterozygosity (H_E) values of the three antigenic markers were 0.72, 0.81 and 0.88, respectively. Multiplicity of infection (MOI) values noted were 1.28, 1.84 and 1.04 for msp-1, msp-2 and glurp, respectively.

Conclusion

Results suggest a high level of genetic diversity in P. falciparum msp (block-2 of msp-1 and block-3 of msp-2) and the glurp RII region in Northeast India in the pre-artemisinin era when chloroqunine was the primary drug used for uncomplicated falciparum malaria. Comparison with current studies have revealed that the genetic diversity in these genes is still high in this region, complicating malaria vaccine research.

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Bora K, Pagdhune A, Patgiri SJ, Barman B, Das D, Borah P. Does social media provide adequate health education for prevention of COVID-19? A case study of YouTube videos on social distancing and hand-washing. Health Educ Res 2022;36:398-411. [PMID: 34230968 PMCID: PMC8394832 DOI: 10.1093/her/cyab028] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 05/28/2021] [Accepted: 06/14/2021] [Indexed: 05/24/2023]

Ahmed MA, Deshmukh GY, Zaidi RH, Saif A, Alshahrani MA, Wazid SW, Patgiri SJ, Quan FS. Identification, Mapping, and Genetic Diversity of Novel Conserved Cross-Species Epitopes of RhopH2 in Plasmodium knowlesi With Plasmodium vivax. Front Cell Infect Microbiol 2022;11:810398. [PMID: 35096656 PMCID: PMC8793677 DOI: 10.3389/fcimb.2021.810398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 12/22/2021] [Indexed: 11/13/2022] Open

Abstract Malaria is a major public health concern, and any tangible intervention during the pre-elimination phase can result in a significant reduction in infection rates. Recent studies have reported that antigens producing cross-protective immunity can play an important role as vaccines and halt malaria transmission in different endemic regions. In this study, we studied the genetic diversity, natural selection, and discovered novel conserved epitopes of a high molecular weight rhoptry protein 2 (RhopH2) in clinical samples of Plasmodium knowlesi and Plasmodium vivax cross-protective domains, which has been proven to produce cross-protective immunity in both species. We found low levels of nucleotide diversity (P. knowlesi; π ~ 0.0093, SNPs = 49 and P. vivax π ~ 0.0014, SNPs = 23) in P. knowlesi (n = 40) and P. vivax (n = 65) samples in the PkRhopH2 cross-protective domain. Strong purifying selection was observed for both species (P. knowlesi; dS - dN = 2.41, p < 0.009, P. vivax; dS - dN = 1.58, p < 0.050). In silico epitope prediction in P. knowlesi identified 10 potential epitopes, of which 7 epitopes were 100% conserved within clinical samples. Of these epitopes, an epitope with 10 amino acids (QNSKHFKKEK) was found to be fully conserved within all P. knowlesi and P. vivax clinical samples and 80%–90% conservation within simian malaria ortholog species, i.e., P. coatneyi and P. cynomolgi. Phylogenetic analysis of the PkRhopH2 cross-protective domain showed geographical clustering, and three subpopulations of P. knowlesi were identified of which two subpopulations originated from Sarawak, Malaysian Borneo, and one comprised only the laboratory lines from Peninsular Malaysia. This study suggests that RhopH2 could be an excellent target for cross-protective vaccine development with potential for outwitting strain as well as species-specific immunity. However, more detailed studies on genetic diversity using more clinical samples from both species as well as the functional role of antibodies specific to the novel conserved epitope identified in this study can be explored for protection against infection. Collapse

Kumar NP, Kumar A, Panneer D, Abidha S, Muthukumaravel S, Sankari T, Ajithlal PM, Mathew J, Koothradan S, Paramasivan R, Muniyaraj M, Singh H, Saxena R, Vijayachari P, Sunish IP, Shriram AN, Dutta P, Patgiri SJ, Bhattacharyya DR, Hoti SL, Chattopadhyay D, Roy S, Mahapatra N, Pati S, Chand G, Mishra AK, Barde P, Jambulingam P. Nation-wide vector surveillance on Zika and Dengue did not indicate transmission of the American lineage-pandemic Zika virus in India. Int J Infect Dis 2021;113:119-124. [PMID: 34601144 DOI: 10.1016/j.ijid.2021.09.074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 09/17/2021] [Accepted: 09/26/2021] [Indexed: 11/16/2022] Open

Affiliation(s)

N Pradeep Kumar ICMR-Vector Control Research Centre Field Station, Kottayam, Kerala, India.
Ashwani Kumar ICMR-Vector Control Research Centre, Puducherry, India
D Panneer ICMR-Vector Control Research Centre, Puducherry, India
S Abidha ICMR-Vector Control Research Centre Field Station, Kottayam, Kerala, India
S Muthukumaravel ICMR-Vector Control Research Centre, Puducherry, India
T Sankari ICMR-Vector Control Research Centre, Puducherry, India
P M Ajithlal ICMR-Vector Control Research Centre Field Station, Kottayam, Kerala, India
Jessu Mathew ICMR-Vector Control Research Centre Field Station, Kottayam, Kerala, India
Suhana Koothradan ICMR-Vector Control Research Centre Field Station, Kottayam, Kerala, India
R Paramasivan ICMR-Vector Control Research Centre Field Station, Madurai, Tamil Nadu, India
M Muniyaraj ICMR-Vector Control Research Centre Field Station, Madurai, Tamil Nadu, India
Himmat Singh ICMR- National Institute for Malaria Research, New Delhi, India
Rekha Saxena ICMR- National Institute for Malaria Research, New Delhi, India
P Vijayachari ICMR- Regional Medical Research Centre, Port Blair, Andaman Nicobar Islands, India
I P Sunish ICMR- Regional Medical Research Centre, Port Blair, Andaman Nicobar Islands, India
A N Shriram ICMR-Vector Control Research Centre, Puducherry, India
Prafulla Dutta ICMR-Regional Medical Research Centre (NE), Dibrugarh, Assam, India
Saurav Jyoti Patgiri ICMR-Regional Medical Research Centre (NE), Dibrugarh, Assam, India
D R Bhattacharyya ICMR-Regional Medical Research Centre (NE), Dibrugarh, Assam, India
S L Hoti ICMR-National Institute of Medicinal Plants Research, Belagavi, Karnataka, India
D Chattopadhyay ICMR-National Institute of Medicinal Plants Research, Belagavi, Karnataka, India
Subarna Roy ICMR-National Institute of Medicinal Plants Research, Belagavi, Karnataka, India
Namita Mahapatra ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha, India
Sanghamitra Pati ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha, India
Gyan Chand ICMR- National Institute of Research in Tribal Health, Jabalpur, Madhya Pradesh, India
A K Mishra ICMR- National Institute of Research in Tribal Health, Jabalpur, Madhya Pradesh, India
Pradip Barde ICMR- National Institute of Research in Tribal Health, Jabalpur, Madhya Pradesh, India
P Jambulingam ICMR-Vector Control Research Centre, Puducherry, India

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Chetry S, Patgiri SJ, Bhattacharyya DR, Dutta P, Kumar NP. Incrimination of Aedes aegypti and Aedes albopictus as vectors of dengue virus serotypes 1, 2 and 3 from four states of Northeast India. Access Microbiol 2020;2:acmi000101. [PMID: 33005866 PMCID: PMC7523630 DOI: 10.1099/acmi.0.000101] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 01/03/2020] [Indexed: 12/03/2022] Open

Arya R, Dabral D, Faruquee HM, Mazumdar H, Patgiri SJ, Deka T, Basumatary R, Kupa R, Semy C, Kapfo W, Liegise K, Kaur I, Choedon T, Kumar P, Behera RK, Deori P, Nath R, Khalo K, Saikia L, Khamo V, Nanda RK. Front Cover: Serum Small Extracellular Vesicles Proteome of Tuberculosis Patients Demonstrated Deregulated Immune Response. Proteomics Clin Appl 2020. [DOI: 10.1002/prca.202070011] [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: 11/06/2022]

Arya R, Dabral D, Faruquee HM, Mazumdar H, Patgiri SJ, Deka T, Basumatary R, Kupa RU, Semy C, Kapfo W, Liegise K, Kaur I, Choedon T, Kumar P, Behera RK, Deori P, Nath R, Khalo K, Saikia L, Khamo V, Nanda RK. Serum Small Extracellular Vesicles Proteome of Tuberculosis Patients Demonstrated Deregulated Immune Response. Proteomics Clin Appl 2019;14:e1900062. [PMID: 31532894 DOI: 10.1002/prca.201900062] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 08/26/2019] [Indexed: 12/11/2022]

Affiliation(s)

Rakesh Arya Translational Health Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India.,School of Life Sciences, Sambalpur University, Sambalpur, Odisha, 768019, India
Deepti Dabral Translational Health Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India.,Molecular Physiology, and Molecular Medicine Research Group, School of Medicine, Western Sydney University, Campbelltown Campus, Campbelltown, NSW 2560, Australia
Hossain Md Faruquee Translational Health Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India.,Department of Biotechnology & Genetic Engineering, Islamic University, Kushtia, 7003, Bangladesh
Himangshu Mazumdar Multidisciplinary Research Unit (ICMR), Assam Medical College, Dibrugarh, Assam, 786002, India
Saurav Jyoti Patgiri Multidisciplinary Research Unit (ICMR), Assam Medical College, Dibrugarh, Assam, 786002, India.,Regional Medical Research Centre, N.E. Region (ICMR), Post Box No.105, Dibrugarh, Assam, 786 001, India
Trinayan Deka Department of Microbiology, Assam Medical College, Dibrugarh, Assam, 786002, India
Rumi Basumatary Department of Microbiology, Assam Medical College, Dibrugarh, Assam, 786002, India
Rukuwe-U Kupa Healthcare Laboratory and Research Centre, Nagaland Hospital Authority Kohima, Kohima, Nagaland, 797001, India
Chayale Semy Healthcare Laboratory and Research Centre, Nagaland Hospital Authority Kohima, Kohima, Nagaland, 797001, India
Wetetsho Kapfo Healthcare Laboratory and Research Centre, Nagaland Hospital Authority Kohima, Kohima, Nagaland, 797001, India
Kevideme Liegise Healthcare Laboratory and Research Centre, Nagaland Hospital Authority Kohima, Kohima, Nagaland, 797001, India
Inderjeet Kaur Malaria Biology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India
Tenzin Choedon Transcriptional Regulation Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India
Purnima Kumar Cellular Immunology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India
Rajendra Kumar Behera School of Life Sciences, Sambalpur University, Sambalpur, Odisha, 768019, India
Pranjal Deori Department of TB and Chest Disease, Assam Medical College, Dibrugarh, Assam, 786002, India
Reema Nath Department of Microbiology, Assam Medical College, Dibrugarh, Assam, 786002, India
Kerekha Khalo Department of Microbiology, Nagaland Hospital Authority Kohima, Kohima, Nagaland, 797001, India
Lahari Saikia Multidisciplinary Research Unit (ICMR), Assam Medical College, Dibrugarh, Assam, 786002, India.,Department of Microbiology, Assam Medical College, Dibrugarh, Assam, 786002, India.,Department of Microbiology, Gauhati Medical College, Guwahati, Assam, 781032, India
Vinotsole Khamo Healthcare Laboratory and Research Centre, Nagaland Hospital Authority Kohima, Kohima, Nagaland, 797001, India
Ranjan Kumar Nanda Translational Health Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India

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Medhi M, Saikia L, Patgiri SJ, Lahkar V, Hussain ME, Kakati S. Incidence of Japanese Encephalitis amongst acute encephalitis syndrome cases in upper Assam districts from 2012 to 2014: A report from a tertiary care hospital. Indian J Med Res 2018;146:267-271. [PMID: 29265029 PMCID: PMC5761038 DOI: 10.4103/ijmr.ijmr_1303_15] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open

Patgiri SJ, Mazumdar H, Saikia L. Seroprevalence of Cysticercus Antibodies in Japanese Encephalitis Patients in Upper Assam, India: A Hospital Based Study. J Clin Diagn Res 2016;10:DC21-3. [PMID: 27437215 DOI: 10.7860/jcdr/2016/18260.7795] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Accepted: 03/10/2016] [Indexed: 11/24/2022]

Das PP, Patgiri SJ, Saikia L, Paul D. Recent Outbreaks of Diphtheria in Dibrugarh District, Assam, India. J Clin Diagn Res 2016;10:DR01-3. [PMID: 27630847 DOI: 10.7860/jcdr/2016/20212.8144] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 05/26/2016] [Indexed: 11/24/2022]

Patgiri SJ, Borthakur AK, Borkakoty B, Saikia L, Dutta R, Phukan SK. An appraisal of clinicopathological parameters in Japanese encephalitis and changing epidemiological trends in upper Assam, India. INDIAN J PATHOL MICR 2015;57:400-6. [PMID: 25118731 DOI: 10.4103/0377-4929.138732] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open