Mathews NS, Masih D, Mittal R, Perakath B, Sakthi D, Rebekah G, Pai R, Pulimood AB. Microsatellite instability in young patients with mucinous colorectal cancers - characterization using molecular testing, immunohistochemistry, and histological features. Indian J Cancer. 2019 Oct-Dec;56(4):309-314. doi: 10.4103/ijc.IJC_224_18. PMID: 31607698.

Mathews NS, Masih D, Mittal R, Perakath B, Sakthi D, Rebekah G, Pai R, Pulimood AB. Microsatellite instability in young patients with mucinous colorectal cancers - characterization using molecular testing, immunohistochemistry, and histological features. Indian J Cancer. 2019 Oct-Dec;56(4):309-314. doi: 10.4103/ijc.IJC_224_18. PMID: 31607698.

Mathews NS, Masih D, Mittal R, Perakath B, Sakthi D, Rebekah G, Pai R, Pulimood AB Microsatellite instability in young patients with mucinous colorectal cancers - characterization using molecular testing, immunohistochemistry, and histological features. Indian J Cancer. 2019 Oct-Dec;56(4):309-314. doi: 10.4103/ijc.IJC_224_18. PMID: 31607698.

Hemalatha R, Pai R, Manipadam MT, Rebekah G, Cherian AJ, Abraham DT, Rajaratnam S, Thomas N, Ramakant P, Jacob PM. Presurgical Screening of Fine Needle Aspirates from Thyroid Nodules for BRAF Mutations: A Prospective Single Center Experience. Indian J Endocrinol Metab. 2018 Nov-Dec;22(6):785-792. doi: 10.4103/ijem.IJEM_126_18. PMID: 30766819; PMCID: PMC6330867.

Asirvatham JR, Pai R, Chacko G, Nehru AG, John J, Chacko AG, Muliyil J. Molecular characteristics of meningiomas in a cohort of Indian patients: loss of heterozygosity analysis of chromosomes 22, 17, 14 and 10. Neurol India. 2013 Mar-Apr;61(2):138-43. doi: 10.4103/0028-3886.111119. PMID: 23644312.

Geevar T, Pai R, Chacko G, Malepathi K, Patel B, John J, Chacko AG, Balakrishnan R, John S. Molecular profile of tumors with oligodendroglial morphology: Clinical relevance. Neurol India. 2018 Nov-Dec;66(6):1726-1731. doi: 10.4103/0028-3886.246275. PMID: 30504574.

Mathews NS, Masih D, Mittal R, Perakath B, Sakthi D, Rebekah G, Pai R, Pulimood AB. Microsatellite instability in young patients with mucinous colorectal cancers - characterization using molecular testing, immunohistochemistry, and histological features. Indian J Cancer. 2019 Oct-Dec;56(4):309-314. doi: 10.4103/ijc.IJC_224_18. PMID: 31607698.

Mathews NS, Masih D, Mittal R, Perakath B, Sakthi D, Rebekah G, Pai R, Pulimood AB. Microsatellite instability in young patients with mucinous colorectal cancers - characterization using molecular testing, immunohistochemistry, and histological features. Indian J Cancer. 2019 Oct-Dec;56(4):309-314. doi: 10.4103/ijc.IJC_224_18. PMID: 31607698.

Mathews NS, Masih D, Mittal R, Perakath B, Sakthi D, Rebekah G, Pai R, Pulimood AB Microsatellite instability in young patients with mucinous colorectal cancers - characterization using molecular testing, immunohistochemistry, and histological features. Indian J Cancer. 2019 Oct-Dec;56(4):309-314. doi: 10.4103/ijc.IJC_224_18. PMID: 31607698.

Hemalatha R, Pai R, Manipadam MT, Rebekah G, Cherian AJ, Abraham DT, Rajaratnam S, Thomas N, Ramakant P, Jacob PM. Presurgical Screening of Fine Needle Aspirates from Thyroid Nodules for BRAF Mutations: A Prospective Single Center Experience. Indian J Endocrinol Metab. 2018 Nov-Dec;22(6):785-792. doi: 10.4103/ijem.IJEM_126_18. PMID: 30766819; PMCID: PMC6330867.

Asirvatham JR, Pai R, Chacko G, Nehru AG, John J, Chacko AG, Muliyil J. Molecular characteristics of meningiomas in a cohort of Indian patients: loss of heterozygosity analysis of chromosomes 22, 17, 14 and 10. Neurol India. 2013 Mar-Apr;61(2):138-43. doi: 10.4103/0028-3886.111119. PMID: 23644312.

Geevar T, Pai R, Chacko G, Malepathi K, Patel B, John J, Chacko AG, Balakrishnan R, John S. Molecular profile of tumors with oligodendroglial morphology: Clinical relevance. Neurol India. 2018 Nov-Dec;66(6):1726-1731. doi: 10.4103/0028-3886.246275. PMID: 30504574.

Nehru GA, Pai R, Samuel P, Chacko AG, Chacko G. Status of O⁶ -methylguanine-DNA methyltransferase [MGMT] gene promoter methylation among patients with glioblastomas from India. Neurol India. 2012 Sep-Oct;60(5):481-6. doi: 10.4103/0028-3886.103190. PMID: 23135024.

Pai R, Nehru GA, Samuel P, Paul MJ, Thomas N, Premkumar JA, Hephzibah J, Shanthly N, Oommen R, Nair A, Seshadri MS, Rajaratnam S. Mutational analysis of RET proto-oncogene among patients with medullary thyroid carcinoma and 'at risk' carriers from India. Clin Endocrinol (Oxf). 2011 Oct;75(4):571-2. doi: 10.1111/j.1365-2265.2011.04069.x. PMID: 21521337. Link

Pai R. Advances in basic research in oncology in 2020: Bridging basic science and clinical care. Indian J Cancer. 2021 Jan-Mar;58(1):28-29. doi: 10.4103/ijc.IJC_1358_20. PMID: 33762480.

Pai R, Ebenazer A, Paul MJ, Thomas N, Nair A, Seshadri MS, Oommen R, Shanthly N, Devasia A, Rebekah G, Jeyaseelan L, Rajaratnam S. Mutations seen among patients with pheochromocytoma and paraganglioma at a referral center from India. Horm Metab Res. 2015 Feb;47(2):133-7. doi: 10.1055/s-0034-1376989. Epub 2014 Jun 30. PMID: 24977658. Link

Pai R, Ebenazer A, Paul MJ, Thomas N, Nair A, Seshadri MS, Oommen R, Shanthly N, Devasia A, Rebekah G, Jeyaseelan L, Rajaratnam S. Mutations seen among patients with pheochromocytoma and paraganglioma at a referral center from India. Horm Metab Res. 2015 Feb;47(2):133-7. doi: 10.1055/s-0034-1376989. Epub 2014 Jun 30. PMID: 24977658. Link

Govindaswamy A, Sakthi D, Pai R, Jeyaseelan L, Michael JS. Pyrosequencing: a rapid and effective sequencing method to diagnose drug-resistant tuberculosis. J Med Microbiol. 2018 Sep;67(9):1212-1216. doi: 10.1099/jmm.0.000669. Epub 2018 Jul 20. PMID: 30028665. Link

Boaz RJ, Ramakant P, Ebenazer A, Pai R, Rajaratnam S, Abraham D, Paul MJ. Role of cortical sparing adrenalectomy and novel variant of mutation in patient with von Hippel-Lindau disease. Indian J Endocrinol Metab. 2011 Oct;15 Suppl 4(Suppl4):S402-5. doi: 10.4103/2230-8210.86987. PMID: 22145147; PMCID: PMC3230085.

Arora N, Nair S, Pai R, Nair S, Ahmed R, Abraham A, Viswabandya A, George B, Balasubramanian P, Srivastava A, Mathews V. V-raf murine sarcoma viral oncogene homolog B (BRAF) mutations in hairy cell leukaemia. Indian J Pathol Microbiol. 2015 Jan-Mar;58(1):62-5. doi: 10.4103/0377-4929.151190. PMID: 25673595. Link

Cherian AJ, Ramakant P, Pai R, Manipadam MT, Elanthenral S, Chandramohan A, Hephzibah J, Mathew D, Naik D, Paul TV, Rajaratnam S, Thomas N, Paul MJ, Abraham DT. Outcome of Treatment for Medullary Thyroid Carcinoma-a Single Centre Experience. Indian J Surg Oncol. 2018 Mar;9(1):52-58. doi: 10.1007/s13193-017-0718-2. Epub 2017 Dec 8. PMID: 29563735; PMCID: PMC5856701. Link

Geevar T, Pai R, Chacko G, Malepathi K, Patel B, John J, Chacko AG, Balakrishnan R, John S. Molecular profile of tumors with oligodendroglial morphology: Clinical relevance. Neurol India. 2018 Nov-Dec;66(6):1726-1731. doi: 10.4103/0028-3886.246275. PMID: 30504574.

Govindaswamy A, Sakthi D, Pai R, Jeyaseelan L, Michael JS. Pyrosequencing: a rapid and effective sequencing method to diagnose drug-resistant tuberculosis. J Med Microbiol. 2018 Sep;67(9):1212-1216. doi: 10.1099/jmm.0.000669. Epub 2018 Jul 20. PMID: 30028665.

Pai R, Nehru GA, Samuel P, Paul MJ, Thomas N, Premkumar JA, Hephzibah J, Shanthly N, Oommen R, Nair A, Seshadri MS, Rajaratnam S. Mutational analysis of RET proto-oncogene among patients with medullary thyroid carcinoma and 'at risk' carriers from India. Clin Endocrinol (Oxf). 2011 Oct;75(4):571-2. doi: 10.1111/j.1365-2265.2011.04069.x. PMID: 21521337. Link

Sonbare DJ, Abraham DT, Rajaratnam S, Thomas N, Manipadam MT, Pai R, Jacob PM. Re-operative Surgery for Pheochromocytoma-Paraganglioma: Analysis of 13 Cases from a Single Institution. Indian J Surg. 2018 Apr;80(2):123-127. doi: 10.1007/s12262-017-1658-3. Epub 2017 Jun 5. PMID: 29915477; PMCID: PMC5991023.

Ebenazer A, Rajaratnam S, Pai R. Detection of large deletions in the VHL gene using a Real-Time PCR with SYBR Green. Fam Cancer. 2013 Sep;12(3):519-24. doi: 10.1007/s10689-013-9606-2. PMID: 23397066.

John AM, C GP, Ebenazer A, Seshadri MS, Nair A, Rajaratnam S, Pai R. P.Arg82Leu von Hippel-Lindau (VHL) gene mutation among three members of a family with familial bilateral pheochromocytoma in India: molecular analysis and in silico characterization. PLoS One. 2013 Apr 23;8(4):e61908. doi: 10.1371/journal.pone.0061908. PMID: 23626751; PMCID: PMC3633967.

Kiruthiga KG, Anne Jennifer P, Rekha P, Sramana M, Reka.K, V.T.K.Titus, Selvamani B.. Biphasic synovial sarcoma – A ten year experience with molecular profile and clinical outcome. Journal of Bone and Soft Tissue Tumors July-Dec 2018;4(2): 14-19.

Parimal S, Pai R, Manipadam MT, Nair S. Lennert's lymphoma: clinicopathological profile of five cases. Indian J Pathol Microbiol. 2013 Jul-Sep;56(3):248-51. doi: 10.4103/0377-4929.120379. PMID: 24152502. Link

Goyal-Honavar A, Balasundaram A, Thayakaran IP, Babu M, Pai R, Joseph J, Jayachandran R, Chacko AG, Mathew LG, Balakrishnan R, Rajshekhar V, Jeyaseelan L, Sudarsanam TD, Chacko G. ZFTA (Zinc Finger Translocation Associated) Fusion in Supratentorial Ependymomas: Low Prevalence in South Asians and No Correlation with Survival. World Neurosurg. 2022 Apr 2:S1878-8750(22)00426-0. doi: 10.1016/j.wneu.2022.03.133. Epub ahead of print. PMID: 35378317. Link

Sreedharanunni S, Varma N, Sachdeva MU, Gupta K, Pai R, Kochhar R, Malhotra P, Varma S. CD103+ γδ T cell large granular lymphocytosis in a patient with refractory celiac disease: a diagnostic enigma. Int J Hematol. 2015 Jun;101(6):603-7. doi: 10.1007/s12185-015-1736-x. Epub 2015 Jan 31. PMID: 25637255. Link

Kumar VC, Pai R. Genes of the month: H3.3 histone genes: H3F3A and H3F3B. J Clin Pathol. 2021 Dec;74(12):753-758. doi: 10.1136/jclinpath-2021-207857. Epub 2021 Oct 19. PMID: 34667098.

Pai R, Samuel P, Nehru AG, Manipadam MT, Thomas SN. Comparison of 11 endogenous control genes for normalization of mRNA obtained from paraffin-embedded tissues. APMIS. 2009 Dec;117(12):886-92. doi: 10.1111/j.1600-0463.2009.02546.x. PMID: 20078553.

Dcunha N,Sakhti D, Sigamani E, Chandramohan J,Korula A, George B, et al. Utility of reversetranscriptase – Multiplex ligation-dependant probe amplification (RT-MLPA) in the molecular classification of Diffuse Large B cell lymphoma (DLBCL) by cell

Abraham AP, Pai R, Beno DL, Chacko G, Asha HS, Rajaratnam S, Kapoor N, Thomas N, Chacko AG. USP8, USP48, and BRAF mutations differ in their genotype-phenotype correlation in Asian Indian patients with Cushing's disease. Endocrine. 2022 Feb;75(2):549-559. doi: 10.1007/s12020-021-02903-x. Epub 2021 Oct 18. PMID: 34664215.

Gandham EJ, Goyal-Honavar A, Beno D, Pai R, Balakrishan R, Jasper A, Gowri M, Moorthy RK, Chacko AG, Chacko G. Impact of Grade on Survival in Pleomorphic Xanthoastrocytoma and Low Prevalence of BRAF V600E Mutation. World Neurosurg. 2022 Aug;164:e922-e928. doi: 10.1016/j.wneu.2022.05.066. Epub 2022 May 23. PMID: 35618235.

Shyamasunder AH, Pai R, Ramamoorthy H, Sakhti D, Manipadam MT, Kapoor N, Paul TV, Jebasingh F, Thomas N, Abraham DT, Paul MJ, Chacko AG, Prabhu K, Rajaratnam S. Clinical Profile and Mutations Associated with Multiple Endocrine Neoplasia-Type1 (MEN1) and Their First-Degree Relatives at Risk of Developing MEN1: A Prospective Study. Horm Metab Res. 2021 Apr;53(4):245-256. doi: 10.1055/a-1402-0183. Epub 2021 Apr 14. PMID: 33853118.

Abarna R, Nancy R, Chacko A, Chacko G, Pai R. Diagnostic utility of droplet digital PCR to detect TERT promoter mutations among glioblastoma samples using 7-deaza-dGTP. J Clin Pathol. 2022 Feb;75(2):140-142. doi: 10.1136/jclinpath-2021-207402. Epub 2021 Mar 25. PMID: 33766956.

Venkatesan V, Christopher AC, Rhiel M, Azhagiri MKK, Babu P, Walavalkar K, Saravanan B, Andrieux G, Rangaraj S, Srinivasan S, Karuppusamy KV, Jacob A, Bagchi A, Pai AA, Nakamura Y, Kurita R, Balasubramanian P, Pai R, Marepally SK, Mohankumar KM, Velayudhan SR, Boerries M, Notani D, Cathomen T, Srivastava A, Thangavel S. Editing the core region in HPFH deletions alters fetal and adult globin expression for treatment of β-hemoglobinopathies. Mol Ther Nucleic Acids. 2023 Apr 26;32:671-688. doi: 10.1016/j.omtn.2023.04.024. PMID: 37215154; PMCID: PMC10197010. Link

Abarna R, Nancy R, Chacko A, Chacko G, Pai R. Diagnostic utility of droplet digital PCR to detect TERT promoter mutations among glioblastoma samples using 7-deaza-dGTP. J Clin Pathol. 2022 Feb;75(2):140-142. doi: 10.1136/jclinpath-2021-207402. Epub 2021 Mar 25. PMID: 33766956.

Singh A, Thomas Georgy J, Dhananjayan S, Sigamani E, Oommen John A, Joel A, Chandramohan J, Abarna R, Rebekah G, Backianathan S, Thomas Abraham D, Jacob Paul M, Titus Chacko R, Therese Manipadam M, Pai R. Comparative Analysis of Mutational Patterns in Triple Negative Breast Cancer Before and after Neoadjuvant Chemotherapy in Patients with Residual Disease. Gene. 2023 Nov 9:147980. doi: 10.1016/j.gene.2023.147980. Epub ahead of print. PMID: 37951371.

Abraham AP, Pai R, Beno DL, Chacko G, Asha HS, Rajaratnam S, Kapoor N, Thomas N, Chacko AG. USP8, USP48, and BRAF mutations differ in their genotype-phenotype correlation in Asian Indian patients with Cushing's disease. Endocrine. 2021 Oct 18. doi: 10.1007/s12020-021-02903-x. Epub ahead of print. PMID: 34664215.

Pai R, Ebenazer A, Paul MJ, Thomas N, Nair A, Seshadri MS, Oommen R, Shanthly N, Devasia A, Rebekah G, Jeyaseelan L, Rajaratnam S. Mutations seen among patients with pheochromocytoma and paraganglioma at a referral center from India. Horm Metab Res. 2015 Feb;47(2):133-7. doi: 10.1055/s-0034-1376989. Epub 2014 Jun 30. PMID: 24977658.

Gandham EJ, Goyal-Honavar A, Beno D, Pai R, Balakrishan R, Jasper A, Gowri M, Moorthy RK, Chacko AG, Chacko G. Impact of Grade on Survival in Pleomorphic Xanthoastrocytoma and Low Prevalence of BRAF V600E Mutation. World Neurosurg. 2022 May 23:S1878-8750(22)00695-7. doi: 10.1016/j.wneu.2022.05.066. Epub ahead of print. PMID: 35618235.

Balakumar S, Pai R, Chacko AG, Patel B, Nancy R, Balakrishnan R, Sarkar S, Sampath G, Chacko G. Telomerase Reverse Transcriptase Promoter Mutations in A Cohort Of Adult Gliomas - Clinicopathological Correlates. Neurol India. 2022 May-Jun;70(3):953-959. doi: 10.4103/0028-3886.349649. PMID: 35864624.

Goyal-Honavar A, Balasundaram A, Thayakaran IP, Babu M, Pai R, Joseph J, Jayachandran R, Chacko AG, Mathew LG, Balakrishnan R, Rajshekhar V, Jeyaseelan L, Sudarsanam TD, Chacko G. ZFTA (Zinc Finger Translocation Associated) Fusion in Supratentorial Ependymomas: Low Prevalence in South Asians and No Correlation with Survival. World Neurosurg. 2022 Aug;164:e82-e90. doi: 10.1016/j.wneu.2022.03.133. Epub 2022 Apr 2. PMID: 35378317. Link

Vig T, Thomas M, Pai R, Tirkey AJ, Janakiraman R. Primary Synovial Sarcoma arising from gingivo-buccal sulcus harbouring SS18-SSX2 positive fusion transcript: The 1st reported case in English literature. J Stomatol Oral Maxillofac Surg. 2018 Jun;119(3):220-223. doi: 10.1016/j.jormas.2017.12.011. Epub 2018 Jan 8. PMID: 29325767.

Dahiya A, Rajadurai A, Daniel S, Sebastian A, Thomas DS, Thomas V, George R, Ram TS, Sathyamurthy A, Rebekah G, Peedicayil A, Pai R, Thomas A. Analysis of patients with endometrial carcinoma using the ProMise classifier: a pilot study from India. Arch Gynecol Obstet. 2024 Apr;309(4):1499-1508. doi: 10.1007/s00404-023-07204-4. Epub 2023 Sep 14. PMID: 37707553.

Abarna R, J R, Chacko G, Pai R. Droplet digital PCR (ddPCR) using FFPE DNA to assess methylation status of MGMT gene among patients with IDH mutant astrocytoma and IDH wild-type glioblastoma. J Clin Pathol. 2023 Dec;76(12):860-864. doi: 10.1136/jcp-2023-208953. Epub 2023 Sep 14. PMID: 37709490.

Dcunha N, Sakhti D, Sigamani E, Chandramohan J, Korula A, George B, Manipadam MT, Pai R. Utility of reverse transcriptase - Multiplex ligation-dependant probe amplification (RT-MLPA) in the molecular classification of Diffuse Large B cell lymphoma (DLBCL) by cell-of-origin (COO). Indian J Pathol Microbiol. 2023 Oct-Dec;66(4):714-719. doi: 10.4103/ijpm.ijpm_326_22. PMID: 38084521.