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  1. Pitchappan RM. 2018 Arrival of Nattukottai Nagarathar in Chettinad Expanse, In Shanmuganatharpuram Kumbabishega Malar.
  2. Vani S, Govindaraju S &Pitchappan RM. 2017 Human Leukocyte Antigen A, B and Hepatitis B infection outcome: A Meta-analysis. - World Journal of Gastroenterology (In Press)
  3. Pitchappan RM & Arunkumar G. 2016. Evolution and Implications of Genomic Diversity on “Human Kind” in India. In ‘On Human Nature’ Edtd by F. Ayala & M. Tibayrenc, Elsevier Press. 111-123.
  4. Sreekanth MS, EsdanBasha SK, Arun Kumar G, Govindaraju S, Pradeep Nayar N, Pitchappan R. 2016 Association of IL-1尾 +3953 C and HLA-DRB1*15 with Coronary Artery and Rheumatic Heart Diseases in South India. Hum Immunol. Aug 9. pii: S0198-8859(16)30404-9. doi: 10.1016/j.humimm.2016.08.003. [Epub ahead of print].
  5. Pitchappan RM.2016 Not all the infected develop the disease - A "Lotus and Cactus" model. Infect Genet Evol. 40:303-9. doi: 10.1016/j.meegid.2015.11.007. Epub 2015 Nov 21. PMID:26611827
  6. Pitchappan RM. 2015 Personalized Medicine – Perspective. Chettinad Health City Medical Journal 2015; 4(1): 6 – 7
  7. Pitchappan RM. 2015 Ancestry of South India Population. Symposium on People of India, Department of Anthropology, Delhi University pp 16 PC Joshi Edt.
  8. ArunKumar G, Tatarinova TV, Duty J, Rollo D, Syama A, Arun VS, Kavitha VJ, Triska P, Greenspan B, Wells RS, Pitchappan R; Genographic Consortium 2015 Genome-wide signatures of male-mediated migration shaping the Indian gene pool. J Hum Genet. 2015 Sep;60(9):493-9.
  9. GaneshPrasad Arunkumar1,2, Lan-Hai Wei3, Valampuri John Kavitha1,4, Adhikarla Syama1, VaratharajanSanthakumari Arun1,Surendra Sathua5, Raghunath Sahoo6, R. Balakrishnan7,Tomo Riba8, Jharna Chakravarthy9,Bapukan Chaudhury10,Premanada Panda11, Pradipta K. Das12, Prasanna K. Nayak13, Hui Li3, Ramasamy Pitchappan1,14,* and The Genographic Consortium. 2015 A late Neolithic expansion of Y chromosomal haplogroup O2a1-M95 from east to west. Journal of Systematics and Evolution Volume 53, Issue 6, pages 546–560, November 2015
  10. Elhaik E, Tatarinova T, Chebotarev D, Piras IS, Maria Calò C, De Montis A, Atzori M, Marini M, Tofanelli S, Francalacci P, Pagani L, Tyler-Smith C, Xue Y, Cucca F, Schurr TG, Gaieski JB, Melendez C, Vilar MG, Owings AC, Gómez R, Fujita R, Santos FR, Comas D, Balanovsky O, Balanovska E, Zalloua P, Soodyall H, Pitchappan R, Ganeshprasad A, Hammer M, Matisoo-Smith L, Wells RS; Genographic Consortium. 2014 Geographic population structure analysis of worldwide human populations infers their biogeographical origins.Nat Commun. 2014 Apr 29;5:3513. doi: 10.1038/ncomms4513.
  11. BasuMallick C, Iliescu FM, Möls M, Hill S, Tamang R, Chaubey G, Goto R, Ho SY, Gallego Romero I, Crivellaro F, Hudjashov G, Rai N, Metspalu M, Mascie-Taylor CG, Pitchappan R, Singh L, Mirazon-Lahr M, Thangaraj K, Villems R, Kivisild T. 2013. The light skin allele of SLC24A5 in South Asians and Europeans shares identity by descent.PLoS Genet. 2013 Nov;9(11):e1003912. doi: 10.1371/journal.pgen.1003912. Epub 2013 Nov 7.
  12. Brotherton P, Haak W, Templeton J, Brandt G, Soubrier J, Jane Adler C, Richards SM, Sarkissian CD, Ganslmeier R, Friederich S, Dresely V, van Oven M, Kenyon R, Van der Hoek MB, Korlach J, Luong K, Ho SY, Quintana-Murci L, Behar DM, Meller H, Alt KW, Cooper A; Genographic Consortium, Adhikarla S, Ganesh Prasad AK, Pitchappan R, VaratharajanSanthakumari A, Balanovska E, Balanovsky O, Bertranpetit J, Comas D, Martínez-Cruz B, Melé M, Clarke AC, Matisoo-Smith EA, Dulik MC, Gaieski JB, Owings AC, Schurr TG, Vilar MG, Hobbs A, Soodyall H, Javed A, Parida L, Platt DE, Royyuru AK, Jin L, Li S, Kaplan ME, Merchant NC, John Mitchell R, Renfrew C, Lacerda DR, Santos FR, Soria Hernanz DF, Spencer Wells R, Swamikrishnan P, Tyler-Smith C, Paulo Vieira P, Ziegle JS. 2013 Neolithic mitochondrial haplogroup H genomes and the genetic origins of Europeans.Nat Commun. 2013;4:1764. doi: 10.1038/ncomms2656.
  13. GaneshPrasadArunKumar, David F. Soria-Hernanz, Valampuri John Kavitha, VaratharajanSanthakumari Arun, Adhikarla Syama, Kumaran Samy Ashokan, Kavandanpatti Thangaraj Gandhirajan, Koothapuli Vijayakumar, Muthuswamy Narayanan, MariakuttikanJayalakshmi, Janet S. Ziegle, Ajay K. Royyuru, LaxmiParida, R. Spencer Wells, Colin Renfrew, Theodore G. Schurr, Chris Tyler Smith, Daniel E. Platt, Ramasamy Pitchappan.2012. Population Differentiation of Southern Indian Male Lineages Correlates with Agricultural Expansions Predating the Caste System
  14. Melé M, Javed A, Pybus M, Zalloua P, Haber M, Comas D, Netea MG, Balanovsky O, Balanovska E, Jin L, Yang Y, Pitchappan RM, Arunkumar G, Parida L, Calafell F, Bertranpetit J.2012. Genographic Consortium. Recombination gives a new insight in the effective population size and the history of the old world human populations.MolBiolEvol. 29:25-30. Impact factor: 5.51
  15. Gallego Romero I, BasuMallick C, Liebert A, Crivellaro F, Chaubey G, Itan Y, MetspaluM,Eaaswarkhanth M, Pitchappan R, Villems R, Reich D, Singh L, Thangaraj K, Thomas MG, Swallow DM,Mirazón Lahr M, Kivisild T. 2012.Herders of Indian and European cattle share their predominant allele for lactase persistence.MolBiolEvol. 29:249-60. Impact factor: 5.51
  16. Javed A, Melé M, Pybus M, Zalloua P, Haber M, Comas D, Netea MG, Balanovsky O, Balanovska E, Jin L, Yang Y, Arunkumar G, Pitchappan R, Bertranpetit J, Calafell F, Parida L. 2012. Genographic Consortium. Recombination networks as genetic markers in a human variation study of the Old World.Hum Genet. 131(4):601-13. Impact factor: 5.047
  17. Metspalu M, Romero IG, Yunusbayev B, Chaubey G, Mallick CB, Hudjashov G, Nelis M, MägiR,Metspalu E, Remm M, Pitchappan R, Singh L, Thangaraj K, Villems R, Kivisild T. 2011. Shared and unique components of human population structure and genome-wide signals of positive selection in South Asia.Am J Hum Genet. 89(6):731-44. Impact factor: 11.68
  18. Wong SH, Gochhait S, Malhotra D, Pettersson FH, Teo YY, Khor CC, Rautanen A, Chapman SJ, Mills TC, Srivastava A, Rudko A, Freidin MB, Puzyrev VP, Ali S, Aggarwal S, Chopra R, Reddy BS, Garg VK, Roy S, Meisner S, Hazra SK, Saha B, Floyd S, Keating BJ, Kim C, Fairfax BP, Knight JC, Hill PC, Adegbola RA, Hakonarson H, Fine PE, Pitchappan RM, Bamezai RN, Hill AV, Vannberg FO Leprosy and the adaptation of human toll-like receptor 1. PLoS Pathog. 2010 Jul 1;6:e1000979.
  19. Zhadanov SI, Dulik MC, Markley M, Jennings GW, Gaieski JB, Elias G, Schurr TG; Genographic Project Consortium.Collaborators (15) Wells RS, Schurr TG, Santos FR, Quintana-Murci L, Bertranpetit J, Comas D, Tyler-Smith C, Balanovska E, Behar DM, Mitchell RJ, Jin L, Soodyall H, Pitchappan R, Cooper A, Matisoo-Smith L. Genetic heritage and native identity of the Seaconke Wampanoag tribe of Massachusetts. Am J Phys Anthropol. 2010 Aug;142(4):579-89.
  20. Behar DM, Blue-Smith J, Soria-Hernanz DF, Tzur S, Hadid Y, Bormans C, Moen A, Tyler-Smith C, Quintana-Murci L, Wells RS; The Genographic Consortium A novel 154-bp deletion in the human mitochondrial DNA control region in healthy individuals. Hum Mutat. 2008 Jul 15
  21. Behar DM, Villems R, Soodyall H, Blue-Smith J, Pereira L, Metspalu E, Scozzari R, Makkan H, Tzur S, Comas D, Bertranpetit J, Quintana-Murci L, Tyler-Smith C, Wells RS, Rosset S; Genographic Consortium.Collaborators (19) Schurr TG, Santos FR, Quintana-Murci L, Bertranpetit J, Comas D, Tyler-Smith C, Balanovska E, Balanovsky O, Behar DM, Mitchell RJ, Soodyall H, PITCHAPPAN R, Cooper A, Royyuru AK, Rosset S, Parida L, Blue-Smith J, Hernanz DS, Wells RS. The dawn of human matrilineal diversity. Am J Hum Genet. 2008 May;82(5):1130-40.
  22. Zalloua PA, Xue Y, Khalife J, Makhoul N, Debiane L, Platt DE, Royyuru AK, Herrera RJ, Hernanz DF, Blue-Smith J, Wells RS, Comas D, Bertranpetit J, Tyler-Smith C; Genographic Consortium.Collaborators (20) Schurr TG, Santos FR, Quintana-Murci L, Bertranpetit J, Comas D, Tyler-Smith C, Zalloua PA, Balanovska E, Balanovsky O, Behar DM, Mitchell RJ, Jin L, Soodyall H, PITCHAPPAN R, Cooper A, Royyuru AK, Rosset S, Blue-Smith J, Hernanz DF, Wells RS. Y-chromosomal diversity in Lebanon is structured by recent historical events. Am J Hum Genet. 2008 Apr;82(4):873-82.
  23. Gan RJ, Pan SL, Mustavich LF, Qin ZD, Cai XY, Qian J, Liu CW, Peng JH, Li SL, Xu JS, Jin L, Li H; Genographic Consortium. Pinghua population as an exception of Han Chinese's coherent genetic structure J Hum Genet. 2008;53(4):303-13.
  24. Behar DM, Rosset S, Blue-Smith J, Balanovsky O, Tzur S, Comas D, Mitchell RJ, Quintana-Murci L, Tyler-Smith C, Wells RS; Genographic Consortium The Genographic Project public participation mitochondrial DNA database. PLoS Genet. 2007 Jun;3(6):e104. Erratum in: PLoS Genet. 2007 Sep 14;3(9):1785
  25. NORMAN PJ, ABI-RACHED L, GENDZEKHADZE K, HAMMOND JA, MOESTA AK, SHARMA D, GRAEF T, MCQUEEN KL, GUETHLEIN LA, CARRINGTON CV, CHANDANAYINGYONG D, CHANG YH, CRESPÍ C, SARUHAN-DIRESKENELI G, HAMEED K, KAMKAMIDZE G, KORAM KA, LAYRISSE Z, MATAMOROS N, MILÀ J, PARK MH, PITCHAPPAN RM, RAMDATH DD, SHIAU MY, STEPHENS HA, STRUIK S, TYAN D, VERITY DH, VAUGHAN RW, DAVIS RW, FRASER PA, RILEY EM, RONAGHI M, PARHAM P 2009. Meiotic recombination generates rich diversity in NK cell receptor genes, alleles, and haplotypes. Genome Res 19(5):757-69
  26. PITCHAPPAN RM 2008 Genomic Implications of Dravidian Cultural Evolution. In: The proceedings of the Great Migrations of Peoples, UNESCO, Paris, pp.
  27. RAJALINGAM R, DU Z, MEENAGH A, LUO L, KAVITHA VJ, PAVITHRA-ARULVANI R, VIDHYALAKSHMI A, SHARMA SK, BALAZS I, REED EF, PITCHAPPAN RM, MIDDLETON D. 2008 Distinct diversity of KIR genes in three southern Indian populations: comparison with world populations revealed a link between KIR gene content and pre-historic human migrations. Immunogenetics. 2008 Mar 28; [Epub ahead of print]
  28. JAGANNATHAN L, CHATURVEDI M, SATISH V, DESAI A, SUBBAKRISHNA D K, CHANDRA PS, RAVI V, PITCHAPPAN R, BALAKRISHNAN K and KONDAIAH P, 2008. Gender differences and HLA B57 in HIV-TB progression. J.AIDS – submitted.
  29. NORMAN PJ, ABI-RACHED J, GENDZEKHADZE K, KORBEL D, M GLEIMER, ROWLEY D, BRUNO D, CARRINGTON CVF, CHANDA NAYINGYONG D, CHANG YH, CRESPI´ C, DIRESKENELI CS, FRASER PA, HAMEED K, KAMKAMIDZE G, KORAM KA, LAYRISSE Z, MATAMOROS N, MILA J, PARK MH, PITCHAPPAN RM, RAMDATH DD, SHIAU MY, STEPHENS HAF, STRUIK S, VERITY DH, VAUGHAN RW, TYAN D, DAVIS RW, RILEY EM, RONAGHI M and PARHAM P, 2007. Unusual selection on the KIR3DL1/S1 natural killer cell receptor in Africans. Nature Genetics 39:1092-1099.
  30. PITCHAPAN RM, KAVITHA V.J and JAYALAKSHMI M. 2007. HLA genomic diversity of India and its implications in HIV pandemic. Int.J.Hum.Genet. In press
  31. PITCHAPPAN, RM. 2006 IMMUNOGENETICS AND HIV INFECTION, In the Proceedings of “TATA symposium on HIV”, I.I.Sc., Bangalore. 20060308 – pp 229-237.
  32. TOSH K, RAVIKUMAR M, BELL J T, MEISNER S, HILL A.V.S, PITCHAPPAN RM 2006 Variation in MICA and MICB genes and enhanced susceptibility to paucibacillary leprosy in South India. Hum. Mol. Genet. 15:1-8 .
  33. VANI S, PITCHAPPAN RM. 2006. Host Genetics and Infectious Diseases in South India. Int J Hum Genet 6: 41-48.
  34. VANI. S., KAMALAKANNAN. R., VIDHYALAKSHMI, A., HILL, A.V.S., PITCHAPPAN, RM. 2005 IFN-g Elispot responses to HLA-DRB1*1501 consensus M.Tb peptides in Sourashtrans of Madurai. In preparation.
  35. SHANKARKUMAR, U., PITCHAPPAN, R., PETHAPERUMAL, S. 2004 Human leucocyte Antigen in hypertrophic cardiomyopathy patients in south India. Asian Cardiovasc Thorac Ann. 12:107-10
  36. VIDHYALAKSHMI A, SHANMUGALAKSHMI.S, VANI.S, CHANDRA.S*, KAMALAKANNAN.R, MATHURAM.G, MANOHARAN.K, MUKHERJEE.A DAS.M K*, PITCHAPPAN RM 2004 Human Leucocyte Antigen (HLA) Matching and Donor Selection for Sibling Bone Marrow Transplantation in India. Current Science. 87(10): 1438-1442.
  37. SHANKARKUMAR, U., SRIDHARAN, B., PITCHAPPAN, RM. 2003. HLA diversity among Nadars, a primitive Dravidian Caste of South India. Tissue Antigens 62:542-7.
  38. SHANMUGALAKSHMI, S., DHEENADHAYALAN, V., MUTHUVEERALAKSHMI, P. and PITCHAPPAN, RM. 2002. Th1/Th2 paradigm in human pulmonary tuberculosis in south India: M.tb recombinants and peptides-recalled IFN-g and IL-10 cytokine responses. Revised
  39. SHANMUGALAKSHMI, S., DHEENADHAYALAN, V., MUTHUVEERALAKSHMI, P., ARIVARIGNAN, G. and PITCHAPPAN, RM. 2003. Mycobacterium bovis BCG scar status and HLA class II alleles influence Purified Protein Derivative-specific T-cell receptor vB expression in pulmonary tuberculosis patients from southern India. Infection & Immunity 71(8):4544-53 .
  40. SHANMUGALAKSHMI, S., BALAKRISHNAN, K., MANOHARAN, K., and PITCHAPPAN, RM. 2003. HLA-DRB1*, -DQB1* in Piramalai Kallars and Yadhavas, two Dravidian speaking castes of Tamil Nadu, south India. Tissue Antigens 61:451-464.
  41. PITCHAPPAN, RM. 2002. Origin of Dravidian & the Genomic Era. In the ‘Proceedings of the Silver Jubilee Celebrations of the International School of Dravidian Linguistics’, Thiruvananthapuram, 2002. In Press.
  42. SHANMUGALAKSHMI, S., PITCHAPPAN RM. 2002 Genetic Basis of Tuberculosis Susceptibility in India. Ind. J. Paediatr 69: S7-S10.
  43. KERRIE, T., MEISNER, S., SIDDIQUI, R.M.,, BALAKRISHNAN, K., GHEI, S., GOLDING, M., SENGUPTA, U., PITCHAPPAN, RM., HILL, A.V.S. 2002. A Region of Chromosome 20 is Linked to Leprosy Susceptibility in a South Indian Population. J. Infect. Disease. 186: 1190-3.
  44. PITCHAPPAN, RM. 2002 Castes, Migration, Immunogenetics, Infectious Diseases & south India – Review - Community Genetics.5:157-161.
  45. SHANKARKUMAR, U., MAHENDRAN, V. AND PITCHAPPAN, RM. 2002 A Sensitive Micro-Platelet Elisa Technique For Screening Anti-HLA Antibodies. J.Immunoassay & immunochemist. 23:107-117.
  46. DHEENADHAYALAN, V., SHANMUGALAKSHMI, S., VANI, S., MUTHUVEERALAKSHMI, P., ARIVARIGNAN, G., NAGESWARI, A.D. & PITCHAPPAN, RM. 2001. Association of Interleukin-10 cytokine expression status with HLA non-DRB1*02 and Mycobacterium bovis BCG scar negative status in south Indian pulmonary tuberculosis patients. Infect. & Immun. 69: 5635-42.
  47. WELLS, R.S., YUDLASHEVA, N., RUZIBAKIEV, R., UNDERHILL, P., EVSEEVA, I., BLUE-SMITH, J., JIN, L., SU, B., PITCHAPPAN, RM., SHANMUGALAKSHMI, S., BALAKRISHNAN, K., READ, M., PEARSON, N., ZERJAL, T., WEBSTER, M., ZHOLOSHVILI, I., ZHIRIKVILI, E., GAMBAROV, S., NIKBIN, B., DOSTIEV, A., AKHNAZAROV, O., ZALLOUA, P., TSOY, I., KITAEV, M. & BODMER, W.F. 2001. The Eurasian Heartland: A continental perspective of Y-chromosome diversity. Proc. Natl. Acad. Sci. USA. 98: 10244-9.
  48. SIDDIQUI R, M., MEISNER, S., KERRIE, T., BALAKRISHNAN, K., GHEI, S., FISHER, S.E., GOLDING, M., SHANKER NARAYAN, N. P., SITARAMAN, T., SENGUPTA, U., PITCHAPPAN, RM. and HILL A.V.S. 2001. A Major susceptibility locus for leprosy in India Maps to Chromosomes 10p13. Nature Genetics. 27: 439-41.
  49. RAVIKUMAR M, DHEENADHAYALAN V, RAJARAM V, SHANMUGA LAKSHMI S, PAUL KUMARAN P, PARAMASIVAN N, BALAKRISHNAN K and PITCHAPPAN RM. 1999. MHC class II association with Pulmonary tuberculosis in South India. - Tubercle & Lung Diseases - 94 (5): 309-317.
  50. PITCHAPPAN RM 1998. Diversity and dynamics of populations, and disease susceptibility. In: The proceedings of the DAE symposium, PGIBMS Taramani, Chennai, India.
  51. PITCHAPPAN RM & DHEENADHAYALAN V 1998. Host Genetics and Tuberculosis, In 'Tuberculosis Research into the 21st century' Proceeding of Indo European community Meeting on Tuberculosis, TRC-ICMR, Chennai, India. pp.9-23.
  52. PITCHAPPAN RM, DHEENADHAYALAN V, RAVIKUMAR M & IVANYI J 1998 Tuberculosis susceptibility in South India. In: The 10th International Congress of Immunology=Eds. Talwar GP, Indira Nath, Ganguly NK and Rao KVS. Monduzzi Editore, Italy. 749-754.
  53. DHEENADHAYALAN V, PITCHAPPAN RM and IVANYI J 1998 Th1/Th2 status and LTT in pulmonary tuberculosis patients from South India. The 10th International Congress of Immunology-Eds. Talwar GP, Indira Nath, Ganguly NK and Rao KVS. Monduzzi Editore, Italy. 903-906.
  54. PITCHAPPAN, RM., AGREWALA, JN., DHEENADHAYALAN, V. and IVANYI J. 1997. MHC restriction in tuberculosis susceptibility. J.Biosciences. 22: 47-57.
  55. VAN DEN BERG-LOONEN EM, BIGNON JD, DU TOIT E, PITCHAPPAN RM, LOON J, SINGAL DP, OLERUP O et al. 1997. Allele and Haplotype society 11: DR2 and DR51. In: 'Genetic diversity of HLA: Functionl and Medical implications', Part I, Ed. D.Charron, EDK Publishers, Paris, France. pp 47-55.
  56. TAIT BD, HAMMOND M, ......PITCHAPPAN RM, ....... and RC WILLIAMS 1997. Allele and Haplotype society 4: B5, B35, B53, B18, B5102, B5103, B78. In: 'Genetic diversity of HLA: Functionla and Medical implications', Part I, Ed. D.Charron, EDK Publishers, Paris, France. pp 91-95.
  57. PITCHAPPAN, RM., BALAKRISHNAN, K., SUDARSEN, V., BRAHMAJOTHI, V., MAHENDRAN, V., AMALRAJ, S., SANTHAKUMARI, R., VIJAYAKUMAR, K., SIVALINGAM, P. and RAMASAMY, S. 1997. Sociobiology and HLA genetic polymorphism in Hill tribes, Irulas of Nilgiris and Malayalis of Shevroy, South India. Human Biology - 69: 59-74.
  58. BALAKRISHNAN K, TAIT B and PITCHAPPAN RM. 1996. New HLA alleles of HLA-B*35 in South India. Human Immunology, 47: 9
  59. AGREWALA J, PITCHAPPAN RM and IVANYI J. 1996 Th.Clone to mycobacterial peptide (p21-40 of 16kDa) recognise peptides presented by parental alleles. Human Immunology, 47: 94.
  60. PITCHAPPAN RM, DHEENADHAYALAN V and IVANYI J. 1996 HLA DR2 alleles and haplotypes unique to India. Human Immunology, 47: 99.
  61. BALAKRISHNAN, K., PITCHAPPAN, RM., SUZUKI, K., SANKAR KUMAR, U., SANTHAKUMARI, R. and TOKUNAGA, K. 1996. HLA affinities of Iyers, a Brahmin population of Tamil nadu, South India. Human Biology, 68: 523-37.
  62. PITCHAPPAN, RM., BALAKRISHNAN, K., MAHENDRAN, V. and BRAHMAJOTHI, V. 1995. HLA and disease susceptibility in Tamil Nadu, S.India . Indian Journal of Human Genetics 1: 56-63.
  63. Lancet's Investigator Award: BRAHMAJOTHI, V., PITCHAPPAN, RM., PARAMASIVAN, C.N., RAJARAM, K., SANKARKUMAR, U., and PRABHAKAR, R. 1995. Response to chemotherapy in Pulmonary tuberculosis is correlated to host immune status. INVESTIGATOR award in the Lancet conference on tubrculosis @ Washington DC. cf. Horton, Editorial in ‘The `Lancet' Vol 346: September 23, 1995, pp 790.
  64. RM. PITCHAPPAN AND V. BRAHMAJOTHI 1995 HLA and disease susceptibility - The Indian Scenario. In Genetic Research and Education : current trends and the next fifty years, Indian Society of Genetics & Plant Breeding, New Delhi. Eds. B. Sharma et al. Vol IV :
  65. RAMASAMY, S., BALAKRISHNAN, K. AND PITCHAPPAN, RM. 1994 Prevalence of sickle cells in Nilgiris, South India. Indian J Med Res 100: 242-5.
  66. SUBRAMANIAN, V.S., BALAKRISHNAN, K., PITCHAPPAN, RM., CHANDRASEKARAN, P. AND DAMADORAN, C. 1994 Red cell enzymes and serum protein polymorphisms in three population groups of South India. Gene Geography 8: 169-174.
  67. PITCHAPPAN RM. & BRAHMAJOTHI V. 1994 Major Histo- compatibility complex, In Biology Education 10: 20-31, Wiley Eastern ltd, New Delhi.
  68. PITCHAPPAN, RM., AMUTHA, S., MAHENDRAN, V., BRAHMAJOTHI, V., SHANKAR KUMAR, U., BALAKRISHNAN, K., SHANTHAKUMARI, R., SASHIDHAR, M., AMALRAJ, S., MAY MANUEL and INDRA RAJA, V. 1993. Frequency of HLA antibodies in South India, J. Biosci.18:373-380.
  69. PITCHAPPAN RM. 1992 Biotechnology in Human Immunogenetics studies. In 'Biotechnology in India' edt PP.Reddy & A.Jyothy. 1980-85.
  70. SINGAL, D.P., PITCHAPPAN, RM., AGARWAL, S., MEHRA, N.K., DUPONT, B., MANKINTOSH, P. & TOKUNAGA, K. 1992 Distribution of HLA antigens in Asian Indians. In 'HLA 1991', Vol I, Edrs. K.Tsuji, M.Aizawa and T.Sazasuki. Oxford University press. Oxford, pp 658-63.
  71. MAUFF, G., SUZUKI,K., TOKUNAGA, K., HAUPTMAN, G., BRENDEN, M., HASBACH* L.ALEXEEV, BHATIA.K, BRENDA COIMBRA.H, CHIEWSLIP.P, IVASCOVA.E, MARWICK.J, OKUBO.Y AND PITCHAPPA.RM. 1992. C4 Reference typing report In 'HLA 1991', Vol I, Edrs. K.Tsuji, M.Aizawa and T.Sazasuki. Oxford University press. Oxford, pp 954-63.
  72. PITCHAPPAN, RM., BRAHMAJOTHI, V. & MAHENDRAN V. 1992. HLA & Immune responses in pulmonary tuberculosis and rheumatoid arthritis in South India. In 'Update on allergy and applied immunology' UGC advanced immunodiagnostic training and research centre, Varanasi pp 118- 125.
  73. BRAHMAJOTHI, V., PITCHAPPAN, RM., KAKKANAIAH, V., SASHIDAR, M., RAJARAM, K.: RAMU, V., PALANIMURUGAN, V., PARMASIVAM, GN & PRABHAHAR, R. 1991. Association of Pulmonary tuberculosis and HLA in South India. Tubercle 72: 123-132.
  74. PITCHAPPAN, RM., BRAHMAJOTHI, V., RAJARAM, K., THIRUMALAI- KOLUNDU SUBRAMANIAM, P., BALAKRISHNAN, K. & MUTHUVEERA- LAKSHMI, R. 1991 Specturm of Immune reactivity to mycobacterial (BCG) antigens in healthy hospital contacts in South India. Tubercle 72: 133-139.
  75. TAIT, B.D., NAITO, S., BOYLE, A., ZACHARY, A., GARRIDO, F., MAEDA, H., DUPONT, E., HOLDSWORTH, R., BIAS, W., PITCHAPPAN, RM. & MILLER, S. 1992 Antigen Society 105 (B51, Bw52, B35, Bw53, B18) In 'HLA 1991', Vol I, Edrs. K.Tsuji, M.Aizawa and T.Sazasuki. Oxford University press. Oxford, pp 297-304.
  76. SUZUKI, K., MIOZOI, Y., IWATA, M., NISHIMUKAI, H., HAMMOND, M.G., O'NEIL, G.J., ALEXEEV.P, PITCHAPPAN.RM, GORODEZKY.C AND FERREIRA.E 1992. Complement polymorphism in seven population of non-European Caucasoids and one admixed population of Mexican Mestizos. In 'HLA 1991', Vol I, Edrs. K.Tsuji, M.Aizawa and T.Sazasuki. Oxford University press. Oxford, pp 963-968.
  77. PITCHAPPAN, RM. 1990 REVIEW Genetics of Tuberculosis susceptibility. Trop.Med.Parasitol. 51:355-356.
  78. PITCHAPPAN, RM., KOTEESWARAN, A., KAKKAIAH, VN., MANICKASUNDARI, M., RAJARAM, V., MUTHUVEERALAKSHMI, P. MAHENDRAN, V. & BRAHMAJOTHIBAI, V. 1989 HLA Bw57 and DR7 with Psoriasis vulgaris in South India. Tissue Antigens. 34: 2: 133-139.
  79. PITCHAPPAN, RM. & ARULRAJ, N. 1989 A versatile computer data-base for Human Immunogenetic studies incorporating clinical and population data Ind. J. Phys. Anthrop. & Hum. Gen (Lucknow) 15: 81-92.
  80. PITCHAPPAN, RM., KAKKAIAH,VN., MANICKASUNDARI, M., RAJARAM, V. & KOTEESWARAN, A. 1989 Susceptibility of Major groups of Tamil Nadu to diseases: 1. Psoriasis vulgaris Ind. J. Genetics, 68: 2: 75-92.
  81. PITCHAPPAN, RM. 1988 REVIEW Founder effects explain the distribution of the HLA A1-B17 but not the absence of the A1-B8 haplotypes in India. J. Genetics. 67: 101-111.
  82. SELVARAJ, P. & PITCHAPPAN, RM. 1988. Post hatching development of the immune system of the pigeon, Columba livia. Dev. Com. Immunol. 12: 879-884.
  83. MANICKASUNDARI, M. & PITCHAPPAN, RM. 1988 Thymus - an effector organ in the lizard Calotes versicolor Ind. J. Exp. Biol. 26: 225-227.
  84. MANICKASUNDARI, M. & PITCHAPPAN, RM. 1988 Structural, functional relationship of thymus derived cells of the lizard, Calotes versicolor. Dev. Com. Immunol. 12: 603-610.
  85. RAJASEKAR, R., KAKKANAIAH, V.N. & PITCHAPPAN, RM. 1987 HLA antigens in India II. Caste groups of Tamil Nadu, Tissue Antigens 30: 113-118.
  86. MANICKASUNDARI, M. & PITCHAPPAN, RM. 1987 Characteristics of heterologous anti-lizard [Calotes versicolor] thymocyte serum which identify the functions of thymic lineage. Dev. Comp. Immunol 11: 605-612.
  87. PITCHAPPAN, RM. 1986, HLA & India, In: "HLA in Asia & Oceania", Edts: A.Aizawa, T. Natori, A.Wakisaka & Y. Konoeda, Hokkaido University Press, Sapporo, Japan. 1986, pp 535-538.
  88. PITCHAPPAN, RM., KAKKANAIAH, V.N., MANICKASUNDARI, M., BRAHMAJOTHI BAI, V., MAHENDRAN, V., CHANDRAMOHAN, R., SIVASAKTHI, A., AMALRAJ, S., SUBASH, M. & RAJASEKAR, R. 1986 HLA in Sourashtrans of Madurai. In: "HLA in Asia & Oceania", Edts: A.Aizawa, T. Natori, A.Wakisaka & Y. Konoeda, Hokkaido University Press, Sapporo, Japan. 1986, pp 539-542.
  89. PITCHAPPAN, RM. & OMORI, K. 1986 Cw2,Cw5,Cw7 & Cw8. In: "HLA in Asia & Oceania:, Eds: A.Aizawa, T. Natori, A.Wakisaka & Y. Konoeda, Hokkaido University Press, Sapporo, Japan. 1986, pp 56-61.
  90. MEHRA, N.K., TANEJA, V., CHAUDHURI, T.K., KAILASH. S., BIN, A.J., CHANG, S.X., HAWKINS,B.R. & PITCHAPPAN, RM. 1986 Pulmonary Tuberculosis. In: "HLA in Asia & Oceania", Edts: A.Aizawa, T. Natori, A.Wakisaka & Y. Konoeda, Hokkaido University Press, Sapporo, Japan. 1986, pp 374-379.
  91. SAZASUKI, T., MATSUSHITA, S., NAKAMIZO, Y., MUTO, M., MATSUMOTTO, H.,M SUZUKI, K., WANG, T.H., CONTRACTOR, N.M, PITCHAPPAN, RM., CHAROEWONGSE, P., LINAGAO, A.L., SEGHAL, S., SINGH, T., MEHRA, NK., SUN, Y-P. & SONG, F-G.1986. HLA and psoriasis in Asia populations. In: "HLA in Asia & Oceania", Edts: A.Aizawa, T. Natori, A.Wakisaka & Y. Konoeda, Hokkaido University Press, Sapporo, Japan. 1986, pp 349-353.
  92. SELVARAJ, P. & PITCHAPPAN, RM. 1985. Effect of oestradiol dipropionate on the immune system of the pigeon Columba livia. Dev.Comp. Immunol. 9:669-679.
  93. PITCHAPPAN, RM. 1984 REVIEW : "HLA, Biological Anthropoplogy & India", Immunohaematology Bulletin [ICMR] 15: 1-11.
  94. MANICKASUNDARI, M., SELVARAJ, P. & PITCHAPPAN, RM. 1984 Studies on T-cells of the lizard, Calotes versicolor: Adherent and Non-adherent populations of the spleen. Dev. Comp. Immunol. 8: 367-374.
  95. PITCHAPPAN, RM., KAKKANAIAH, V.N, RAJASEKAR, R., ARULRAJ, N. & MUTHUKARRUPPAN, VR. 1984 HLA antigens in South India. I. Major groups of Tamil Nadu. Tissue Antigens 24: 190-196.
  96. SELVARAJ, P. & PITCHAPPAN, RM. 1980. Ontogeny of Immune system and function in Pigeon. In the proceedings of DAE symposium on Cellular and Humoral mechanisms of Immune response, Dec. 1980. Madurai, Dept. Atomic Energy, Govt. of India, 1982.
  97. PITCHAPPAN, RM. & RAJESWARI, T.K. 1980 Occurance of Calotes erthrocytes and thymocyte antigenic determinants of frog, skink and rat lymphoid cells. In the proceedings of DAE symposium on Cellular and Humoral mechanisms of Immune response, Dec.1980, Madurai, Department of Atomic Energy, Government of India,1982.
  98. PITCHAPPAN, RM. 1979 REVIEW "On the phylogeny of splenic structure and function". Dev. Comp. immunol. 4:395-416.
  99. MUTHUKKARUPPAN, VR & RM. PITCHAPPAN, 1979 'Animal Development - loboratory manual', CoSIP-ULP programme, School of Biological Sciences, Madurai Kamaraj University
  100. PITCHAPPAN, RM. & MUTHUKKARUPPAN, VR. 1977 In-vitro properties of heterologous anti-lizard thymocyte serum. Proc. Indian Acad. Sci. 85 [B]: 1-12.
  101. PITCHAPPAN, RM. & MUTHUKKARUPPAN, VR. 1977 Role of thymus in the immune response to sheep erythrocytes in the lizards, Calotes versicolor. Proc. Indian Acad. Sci. 85 [B]: 25-33
  102. PITCHAPPAN, RM. & MUTHUKKARUPPAN, VR. 1977 Thymic dependednt lymphoid region in the spleen of the lizard, Calotes versicolor. J. Exp. Zool. 199: 177-188.
  103. PITCHAPPAN, RM. & MUTHUKKARUPPAN, VR. 1977 Analysis of the development of the lizard, Calotes versiscolor: II. Histo-genesis of the thymus. Dev. Comp. Immunol. 1:217-230.
  104. PITCHAPPAN, RM. & MUTHUKKARUPPAN, VR. 1976 Procedure for thymectomy in the lizard Calotes versicolor. Proc. Ind. Acad. Sci., 84 [B]: 42-49.
  105. MUTHUKKARUPPAN, VR., PITCHAPPAN, RM., & RAMILA, G. 1976 Thymic dependence and regulation of the immune response to sheep erthrocytes in the lizard. In: Phylogeny of thymus and bone marrow bursa cells. R.K. Wright and E.L. Cooper Eds. Elsevier North Holland Biomedical Press, Amsterdam. The Netherlands. pp. 185-193


  Salient Findings


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