Name: Parnpen Viriyavejakul
Position: Head Department of Tropical Pathology,Professor
Department: Tropical Pathology
Srisook C, Nintasen R, Punsawad C, Glaharn S, Techarang T, Viriyavejakul P. Expression of sphingosine-1-phosphate receptor 1 in the brain of fatal cerebral malaria. Sci Rep. 2026;16(1):5641.
Nantavisai K, Puttikamonkul S, Viriyavejakul P. Preliminary assessment of serum endocan as a biomarker of disease severity in Plasmodium falciparum and Plasmodium vivax malaria. Malaria Journal. 2025;24(1).
Konyanee A, Chaniad P, Phuwajaroanpong A, Plirat W, Viriyavejakul P, Septama AW, et al. Correction: Exploring the potential antimalarial properties, safety profile, and phytochemical composition of Mesua ferrea Linn (PLoS One (2024) 19:12 (e0312047) DOI: 10.1371/journal.pone.0312047). PLOS ONE. 2025;20(7 July).
Wongsawat M, Glaharn S, Srisook C, Dechkhajorn W, Chaisri U, Punsawad C, et al. Immunofluorescence study of cytoskeleton in endothelial cells induced with malaria sera. Malaria Journal. 2024;23(1).
Konyanee A, Chaniad P, Phuwajaroanpong A, Plirat W, Viriyavejakul P, Septama AW, et al. Exploring the potential antimalarial properties, safety profile, and phytochemical composition of Mesua ferrea Linn. PLOS ONE. 2024;19(12).
Chayangsu C, Ampawong S, Reamtong O, Viriyavejakul P, Kanjanapruthipong T, Fongsodsri K, et al. Detection of Gnathostoma spinigerum larva in the brain with complete follow-up after surgical treatment of human neurognathostomiasis. Food and Waterborne Parasitology. 2024;35.
Plirat W, Chaniad P, Phuwajaroanpong A, Konyanee A, Viriyavejakul P, Septama AW, et al. Efficacy of artesunate combined with Atractylodes lancea or Prabchompoothaweep remedy extracts as adjunctive therapy for the treatment of cerebral malaria. BMC Complementary Medicine and Therapies. 2023;23(1).
Chaniad P, Techarang T, Phuwajaroanpong A, Plirat W, Viriyavejakul P, Septama AW, et al. Antimalarial efficacy and toxicological assessment of medicinal plant ingredients of Prabchompoothaweep remedy as a candidate for antimalarial drug development. BMC Complementary Medicine and Therapies. 2023;23(1).
Chaniad P, Techarang T, Phuwajaroanpong A, Plirat W, Na-Ek P, Konyanee A, et al. Preclinical evaluation of antimalarial activity of CPF-1 formulation as an alternative choice for the treatment of malaria. BMC Complementary Medicine and Therapies. 2023;23(1).
Srisook C, Glaharn S, Punsawad C, Viriyavejakul P. Apoptotic changes and aquaporin-1 expression in the choroid plexus of cerebral malaria patients. Malaria Journal. 2022;21(1).
Chaniad P, Phuwajaroanpong A, Techarang T, Viriyavejakul P, Chukaew A, Punsawad C. Antiplasmodial activity and cytotoxicity of plant extracts from the Asteraceae and Rubiaceae families. Heliyon. 2022;8(1).
Techarang T, Jariyapong P, Viriyavejakul P, Punsawad C. High mobility group box-1 (HMGB-1) and its receptors in the pathogenesis of malaria-associated acute lung injury/acute respiratory distress syndrome in a mouse model. Heliyon. 2021;7(12).
Techarang T, Jariyapong P, Viriyavejakul P, Glaharn S, Srisook C, Punsawad C. Protective effect of an anti-hmgb-1 neutralizing antibody on hemozoin-induced alveolar epithelial cell in a model of malaria associated ALI/ARDS. Iranian Journal of Parasitology. 2021;16(3):366-76.
Chaniad P, Techarang T, Phuwajaroanpong A, Na-Ek P, Viriyavejakul P, Punsawad C. In Vivo Antimalarial Activity and Toxicity Study of Extracts of Tagetes erecta L. And Synedrella nodiflora (L.) Gaertn. And the Asteraceae Family. Evidence-based Complementary and Alternative Medicine. 2021;2021.
Chaniad P, Mungthin M, Payaka A, Viriyavejakul P, Punsawad C. Antimalarial properties and molecular docking analysis of compounds from Dioscorea bulbifera L. as new antimalarial agent candidates. BMC Complementary Medicine and Therapies. 2021;21(1).
Viriyavejakul P, Punsawad C. Overexpression of Sphingosine Kinase-1 and Sphingosine-1-Phosphate Receptor-3 in Severe Plasmodium falciparum Malaria with Pulmonary Edema. BioMed Research International. 2020;2020.
Sivakorn C, Promthong K, Dekumyoy P, Viriyavejakul P, Ampawong S, Pakdee W, et al. Case Report: The First Direct Evidence of Gnathostoma spinigerum Migration through Human Lung. American Journal of Tropical Medicine and Hygiene. 2020;103(3):1129-34.
Klinkhamhom A, Glaharn S, Srisook C, Ampawong S, Krudsood S, Ward SA, et al. M1 macrophage features in severe Plasmodium falciparum malaria patients with pulmonary oedema. Malaria Journal. 2020;19(1):182.
Khetsuphan T, Chaisri U, Dechkhajorn W, Benjathummarak S, Dekumyoy P, Ampawong S, et al. Effects of Gnathostoma spinigerum infective stage larva excretory-secretory products on NK cells in peripheral blood mononuclear cell culture: focused on expressions of IFN-γ and killer cell lectin-like receptors. Parasitology Research. 2020;119(3):1011-21.
Kache R, Phasuk N, Viriyavejakul P, Punsawad C. Prevalence of soil-transmitted helminth infections and associated risk factors among elderly individuals living in rural areas of southern Thailand. BMC Public Health. 2020;20(1).
Dechkhajorn W, Benjathummarak S, Glaharn S, Chaisri U, Viriyavejakul P, Maneerat Y. The activation of BAFF/APRIL system in spleen and lymph nodes of Plasmodium falciparum infected patients. Scientific Reports. 2020;10(1).
Punsawad C, Viriyavejakul P, Techarang T. Surfactant Protein D Is Altered in Experimental Malaria-Associated Acute Lung Injury/Acute Respiratory Distress Syndrome. Journal of Tropical Medicine. 2019;2019.
Punsawad C, Viriyavejakul P. Expression of sphingosine kinase 1 and sphingosine 1-phosphate receptor 3 in malaria-associated acute lung injury/acute respiratory distress syndrome in a mouse model. PLOS ONE. 2019;14(9).
Punsawad C, Phasuk N, Thongtup K, Nagavirochana S, Viriyavejakul P. Prevalence of parasitic contamination of raw vegetables in Nakhon Si Thammarat province, southern Thailand. BMC Public Health. 2019;19(1).
Pham TT, Punsawad C, Glaharn S, de Meyer SF, Viriyavejakul P, van den Steen PE. Release of endothelial activation markers in lungs of patients with malaria-associated acute respiratory distress syndrome. Malaria Journal. 2019;18(1).
Punsawad C, Phasuk N, Bunratsami S, Thongtup K, Viriyavejakul P, Palipoch S, et al. Prevalence of intestinal parasitic infections and associated risk factors for hookworm infections among primary schoolchildren in rural areas of Nakhon Si Thammarat, southern Thailand. BMC Public Health. 2018;18(1).
Oggungwan K, Glaharn S, Ampawong S, Krudsood S, Viriyavejakul P. FTY720 restores endothelial cell permeability induced by malaria sera. Scientific Reports. 2018;8(1).
Glaharn S, Punsawad C, Ward SA, Viriyavejakul P. Exploring pancreatic pathology in Plasmodium falciparum malaria patients. Scientific Reports. 2018;8(1).
Wichapoon B, Punsawad C, Viriyavejakul P. Expression of cleaved caspase-3 in renal tubular cells in Plasmodium falciparum malaria patients. Nephrology. 2017;22(1):79-84.
Punsawad C, Viriyavejakul P. Increased expression of kidney injury molecule-1 and matrix metalloproteinase-3 in severe Plasmodium falciparum malaria with acute kidney injury. International Journal of Clinical and Experimental Pathology. 2017;10(7):7856-64.
Punsawad C, Viriyavejakul P. Reduction in serum sphingosine 1-phosphate concentration in malaria. PLOS ONE. 2017;12(6).
Wilainam P, Nintasen R, Viriyavejakul P. Mast cell activation in the skin of Plasmodium falciparum malaria patients. Malaria Journal. 2015;14(1).
Thonsranoi K, Glaharn S, Punsawad C, Chaisri U, Krudsood S, Viriyavejakul P. Increased synapsin I expression in cerebral malaria. International Journal of Clinical and Experimental Pathology. 2015;8(11):13996-4004.
Punsawad C, Viriyavejakul P, Setthapramote C, Palipoch S. Enhanced expression of Fas and FasL modulates apoptosis in the lungs of severe P. falciparum malaria patients with pulmonary edema. International Journal of Clinical and Experimental Pathology. 2015;8(9):10002-13.
Ampawong S, Chaisri U, Viriyavejakul P, Prapansilp P, Grau GE, Turner GDH, et al. A potential role for interleukin-33 and γ-epithelium sodium channel in the pathogenesis of human malaria associated lung injury. Malaria Journal. 2015;14(1).
Punsawad C, Setthapramote C, Viriyavejakul P . Cellular-mediated immune responses in the liver tissue of patients with severe Plasmodium falciparum malaria. Southeast Asian J Trop Med Public Health 2014; 45(5): 973-983.
Ampawong S, Chaisri U, Viriyavejakul P, Nontprasert A, Grau GE, Pongponratn E. Electron microscopic features of brain edema in rodent cerebral malaria in relation to glial fibrillary acidic protein expression. Int J Clin Exp Pathol 2014; 7(5): 2056-67.
Chaikitgosiyakul S, Rijken MJ, Muehlenbachs A, Lee SJ, Chaisri U, Viriyavejakul P, Turner GD, Pongponratn E, Nosten F, McGready R. A morphometric and histological study of placental malaria shows significant changes to villous architecture in both Plasmodium falciparum and Plasmodium vivax infection. Malar J 2014; 13: 4.
Punsawad C, Viriyavejakul P. Nuclear factor kappa B in urine sediment: a useful indicator to detect acute kidney injury in Plasmodium falciparum malaria. Malar J 2014; 13: 84.
Viriyavejakul P, Khachonsaksumet V, Punsawad C. Liver changes in severe Plasmodium falciparum malaria: histopathology, apoptosis and nuclear factor kappa B expression. Malar J 2014; 13: 106.
Wichapoon B, Punsawad C, Chaisri U, Viriyavejakul P. Glomerular changes and alterations of zonula occludens-1 in the kidneys of Plasmodium falciparum malaria patients. Malar J 2014; 3:176.
Chaikitgosiyakul S, Chaisri U, Viriyavejakul P, Ampawong S, Turner GDH, Pongponratn E. A preliminary study of insulin-like growth factor 1 receptor (IGF-1R) in placental malaria. J Trop Med and Parasitol. 2013 Jun; 36(1): 23-8.
Punsawad C, Maneerat Y, Chaisri U, Nantavisai K, Viriyavejakul P. Nuclear factor kappa B modulates apoptosis in the brain endothelial cells and intravascular leukocytes of fatal cerebral malaria. Malar J. 2013 Jul, 26;12:240.
Kattipathanapong P, Akaraphanth R, Krudsood S, Riganti M, Viriyavejakul P*. The First Autochthonous Cutaneous Leishmaniasis in Thailand. Southeast Asian J Trop Med Public Health 2012; 43(1): 17-20.
Nintasen R, Riches K, Mughal RS, Viriyavejakul P, Chaisri U, Maneerat Y, Turner NA, Porter KE. Divergent effects of 17-β-estradiol on human vascular smooth muscle and endothelial cell function diminishes TNF-α-induced neointima formation. Biochem Biophys Res Commun. 2012 Apr 20; 420(4): 828-33. Epub 2012 Mar 23.
Pongponratn E, Prommano O, Viriyavejakul P, Wilairatana P. Plasmodium malariae-Infected Erythrocytes in the Peripheral Blood Liver, Stomach and Duodenum: An Ultrastructural Study. Southeast Asian J Trop Med Public Health 2012; 43(5): 1080-1086.
Punsawad C, Krudsood S, Maneerat Y, Chaisri U, Tangpukdee N, Pongponratn, E, Nantavisai, K, Udomsangpetch R, Viriyavejakul P*. Activation of Nuclear Factor Kappa B in Peripheral Blood Mononuclear Cells from Malaria Patients. Malar J. 2012 Jun 10;11(1):191. [Epub ahead of print] Highly accessed.
Viriyavejakul P*, Krudsood S, Monkhonmu S, Punsawad C, Riganti M, Radomyos P. Thelazia callipaeda: A Human Case Report. Southeast Asian J Trop Med Public Health 2012; 43(4): 851-856.
Nantakomol D, Dondorp AM, Krudsood S, Udomsangpetch R, Pattanapanyasat K, Combes V, Grau GE, White NJ, Viriyavejakul P, Day NP, Chotivanich K. Circulating Red Cell-derived Microparticles in Human Malaria. J Infect Dis. 2011 Mar;203(5):700-6.
Sappayatosok K, Maneerat Y, Swasdison S, Viriyavejakul P, Dhanuthai K, Zwang J, Chaisri U. Expression of pro-inflammatory protein, iNOS, VEGF and COX-2 in Oral Squamous Cell Carcinoma (OSCC), relationship with angiogenesis and their clinico-pathological correlation. Med Oral Patol Oral Cir Bucal 2009 Jul 1;14(7):E319-24.
Viriyavejakul P, Nintasen R, Punsawad C, Chaisri U, Punpoowong B, Riganti M. High prevalence of microsporidium infection in HIV-infected patients. Southeast Asian J Trop Med Public Health 2009; 40(2): 223-8.
Viriyavejakul P, Riganti M. Undiagnosed amoebic brain abscess. Southeast Asian J Trop Med Public Health, November 2009, 40(6)1183 -1187.
Viriyavejakul P, Krudsood S, Monkhonmu S, Punsawad C, Riganti M, Radomyos P. Thelazia callipaeda: A Human Case Report. Submitted toSoutheast Asian J Trop Med Public Health.
Biagini GA, Viriyavejakul P, O’neill PM, Bray PG, Ward SA. Functional characterization and target validation of alternative complex I of Plasmodium falciparum mitochondria. Antimicrob Agents Chemother. 2006 May: 50(5): 1841-51.
Prommano O, Chaisri U, Viriyavejakul P, Wilairatana P and Pongponratn E. A Quantitative Ultrastructural Study of The Liver and The Spleen in Fatal Falciparum Malaria. Southeast Asian J Trop Med Public Health 2005, 36(6).
Viriyavejakul P, Tangwanicharoen T, Punpoowong B, Chaisri U, Wilainam P, Nuntakomon D, Yimsamran S, Maneerat Y, Pongponratn E, Wilairatana P and Riganti M. Cryptococcal Meningitis in Human Immunodeficiency Virus (HIV)- positive and HIV-negative patients. Southeast Asian J Trop Med Public Health 2004; 35(1): 1-6.
Pongponratn E, Turner G DH, Day N P J, Phu N H, Simpson J A, Stepniewska K, Mai N T H, Viriyavejakul P, Looareesuwan S, Hien T. T, Ferguson D J P, and White N J. An Ultrastructural study of the brain in fatal plasmodium Faiciparum Malaria. Am J Trop Med Hyg 2003; 69(4) : 345-35.
Viriyavejakul P, Rojanasunan P, Viriyavejakul A, Tangwanicharoen T, Punyarit P, Punpoowong B, Khachansaksumet V, Wilainam P, Riganti M, Pongponratn E. Necropsy in HIV-Infected Patients. Southeast Asian J Trop Med Public Health 2002; 33 (1): 85-91.
Mason DP, Krudsood S, Wilairatana P, Viriyavejakul P, Silachamroon U, Chokejindachai W, Singhasivanon P, Supavej S, McKenzie FE, Looareesuwan S. Can Treatment of P. vivax Lead to a Unsuspected Appearance of Falciparum Malaria. Southeast Asian J Trop Med Public Health 2001; 32 (1):57-63.
Maek-a-nantawat W, Viriyavejakul P. Mycobacterium Szulgai Lymphadenitis Mimicking Kikuchi’s Disease in Thailand. Southeast Asian J Trop Med Public Health 2001; 32 (3): 537-40.
Noedl H, Wernsdorfer WH, Krudsood S, Wilairatana P, Viriyavejakul P, Kollaritsch H, Wiedermann G, Looareesuwan S. In Vivo- In Vitro Model for the Assessment of Clinically Relevant Antimalarial Cross-Resistance. Am J Trop Med Hyg 2001; 65(6):696-9.
Sirikulchayanonta V, Viriyavejakul P. Various Morphological features of Gnathostoma spinigerum in Histologic Sections: Report of 3 Cases with Reference to topographic Study of the Reference Worm. Southeast Asian J Trop Med Public Health 2001; 32 (2):302-7.
Tangwanicharoen T, Viriyavejakul P, Punpoowong B, Wilairatana P, Kaewkungwal J, Pongponratn E, Riganti M. Cerebrospinal fluid analysis in eosinophilic meningoencephalitis. Southeast Asian J Trop Med Public Health 2001; 32 (4): 751-9.
Viriyavejakul P, Tangwanicharoen T, Rojanasunan P, Khachansaksumet V. Does HIV infection Accelerate the Development of Hepatocellular Carcinoma? Southeast Asian J Trop Med Public Health 2001; 32 (3):504-6.
Maneerat Y, Viriyavejakul P, Punpoowong B, Jones M, Wilairatana P, Pongponratn E, Turner GDH, Udomsangpetch R. Inducible Nitric Oxide Synthase Expression is Increases in the Brain in Fatal Cerebral Malaria. Histopathology 2000; 37:269-277.
Parnpen Viriyavejakul . Prevalence of Malignancies in Thailand: An Overview. Presented at the Third International Conference of Pathology, Royal River Hotel, Bangkok. Dec 8, 2000
Parnpen Viriyavejakul , Rojanasunan P, Viriyavejakul A, Punyarit P, Punpoowong B, Khachansaksumet V, Riganti M, Pongponratn E. Opportunistic Infections in the Liver of HIV-Infected Patients in Thailand: A Necropsy Study. Presented at the The 3rd Seminar on Food-Borne Parasitic Zoonoses:Food- and Water-Borne Parasitic Zoonoses in the 21st Century, Joint International Tropical Medicine Meeting 2000 and The 6th Chamlong-Tranakchit Harinasuta Lecture: Dec 6-8, 2000. Abstract page 257.
Pongponratn E, Viriyavejakul P, Wilairatana P, Ferguson D, Chaisri U, Turner G, Looareesuwan S. Absence of Knobs on Parasitized Red Blood Cells in a Splenectomized Patient in Fatal Falciparum Malaria. Southeast Asian J Trop Med Public Health 2000; 31 (4):823-9.
Sychareun V, Phengsavanh A, Kitysivoilaphanh B, Prabouasone K, Viriyavejakul P, Krudsood S, Phophak N, Looareesuwan S. A Study of Anemia in Pregnant Women with Plasmodium falciparum at District Hospitals in Vientiane, Lao PDR. Southeast Asian J Trop Med Public Health 2000; 31 (Suppl 1):91-8.
Traore B, Muanza K, Looareesuwan S, Supavej S, Khusmith S, Danis M, Viriyavejakul P, Gay F. Cytoadherance Characteristics of Plasmodium Falciparum Isolates in Thailand using an In Vitro Human Lung Endothelial Cells Model. Am J Trop Med Hyg 2000; 62(1): 38-44.
Treeprasertsuk S, Viriyavejakul P, Silachamroon U, Vannaphan S, Wilaitatana P, Looareesuwan S. Is there any Artemisinin Resistance in Falciparum Malaria? Report of 2 Cases and a Review of Literature. Southeast Asian J Trop Med Public Health 2000; 31 (4):825-8.
Viriyavejakul P, Rojanasunan P, Viriyavejakul A, Punyarit P, Punpoowong B, Khachansaksumet V, Riganti M, Pongponratn E. Opportunistic Infections in the Liver of HIV-Infected Patients in Thailand: A Necropsy Study. Southeast Asian J Trop Med Public Health 2000; 31 (4):663-7.
Krudsood S, Chokejindachai W, Silachamroon U, Phumratanaprapin W, Viriyavejakul P, Bussaratid, Looareesuwan S. Clinical Malaria and Treatment of Multidrug Resistance Falciparum in Thailand. Jpn. J. Trop. Med. Hyg. 1999; 27(1):181-8.
Looareesuwan S, Wilairatana P, Krudsood S, Treeprasertsuk S, Singhasivanon P, Bussaratid V, Chokjindachai W, Viriyavejakul P, Chalermrut K. Chloroquine sensitivity of P lasmodium vivax in Thailand. Annals Trop Med & Parasilol. 1999; 93 (3):225-30.
Maneerat Y, Pongponratn E, Viriyavejakul P, Punpoowong B, Looareesuwan S, Udomsangpetch R. Cytokines Associated with Pathology in the Brain Tissue of Fatal Malaria. Southeast Asian J Trop Med Public Health 1999; 30(4):643-9.
Viriyavejakul P, Phudhichareonrat S, Boonpasat Y, Viriyavejakul A, Rojanasunan P, Phophak N, Pattanasak N. Intracerebral Hemorrhage due to Nosocomial Aspergillosis following Neurosurgery. Southeast Asian J Trop Med Public Health 1999; 30 (1):50-2.
Viriyavejakul P, Rojanasunan P, Viriyavejakul, A, Khachansaksumet V, Punpoowong B, Riganti M. Cytomegalovirus and Cryptosporidium infections in AIDS: A Necropsy Study. Southeast Asian J Trop Med Public Health 1999; 30 (1):219-20.
Walsh DS, Looareesuwan S, Wilairatana P, Heppner D.G, Tang D.B, Brewer TG, Chokejindachai E, Viriyavejakul P, Kyle D. E, Milhous W.K, Schuster B.G, Horton J. Braitman D. J and Brueckner R. P. Randomized Dose-Ranging Study of the Safety and Efficacy of WR 238605 (Tafenoquine) in the Prevention of Relapse of Plasmodium vivax Malaria in Thailand. J of Infect Dis 1999; 180:1282-7.
Wilairatana P, Westerlund E, Aursudkij B, Vannaphan S, Krudsood S, Viriyavejakul P, Chokejindachai W, Treeprasertsuk S, Srisuriya P, Gordeuk V, Brittenham G, Neild G, Looareesuwan S. Treatment of Malarial Acute renal Failure by Hemolysis. Am. J. Trop. Med. Hyg. 1999; 60(2):233-7.
Looareesuwan S, Wilairatana P, Chokejindachai W, Viriyavejakul P, Krudsood S, Singhasivanon P. Research on New Antimalarial Drugs and the Use of Drugs in Combination at the Bangkok hospital for Tropical Diseases. Southeast Asian J Trop Med Public Health 1998; 29 (2):344-54.
Pongponratn E, Maneerat Y, Chaisri U, Wilairatana P, Punpoowong B, Viriyavejakul P, Riganti M. Electron Microscopic Examination of Rickettsia tsutsugamushi Infected Human Liver. Trop Med Int Health. 1998; 3 (3):242-8.
Punpoowong B, Viriyavejakul P, Riganti M, Pongponratn E, Chaisri U, Maneerat Y. Opportunistic Protozoa in Stool Samples of HIV infected Patients. Southeast Asian J Trop Med Public Health 1998; 29 (1):31-4.
Wilairatana P, Krudsood S, Chokejindachai W, Bussaratid V, Silachamroon U, Viriyavejakul P, Hendriksen C, Scheiwe MW, Looareesuwan S. A Clinical Trial of Combination of Artesunate and Mefloquine in the Treatment of Acute Uncomplicated Falciparum Malaria: A Short and Practical Regimen. Southeast Asian J Trop Med Public Health 1998; 28 (4):696-701.
Udomsangpetch R, Chivapat S, Viriyavejakul P, Riganti M, Wilairatana P, Pongponratn E, Looareesuwan S. Involvement of Cytokines in Histopathology of Cerebral Malaria. Am J Trop Med & Hyg. 1997; 57 (5):501-6.
Viriyavejakul P, Rochanawutanon M, Sirinavin S. Naegleria Meningomyeloencephalitis. Southeast Asian J Trop Med Public Health 1997; 28 (1): 237-40.
Viriyavejakul P, Sirikulchayanonta V. Miliary Tuberculosis with Unusual Matted Giant Mesenteric Lymph Nodes. Southeast Asian J Trop med Public Health 1997; 28 (1): 235-6.
Viriyavejakul P, Viravan C, Riganti, M, Punpoowong B. Imported cutaneous leishmaniasis in Thailand. Southeast Asian J Trop Med Public Health 1997; 23 (3): 558-62.
Wilairatana P, Viriyavejakul P, Looareesuwan S, Chongsuphajaisddhi T. Artesunate Suppository is an Effective Treatment for Severe Falciparum Malaria in Rural Areas. Annual of Trop Med & Parasitology 1997; 91 (6): 677-82.
Chinparasatsak S, Wilairatana P, Visalwadi P, Sanguansri P, Batara L, Kityaporn D,Looareesuwan S, Kurathong S, Chaloenlarp P. Helicobacter pylori Prevalence in Northeastern Thailand. Southeast Asia J Trop Med Public Health 1993; 24: 735-41.
Parnpen Viriyavejakul , Giancarlo Biagini, Patrick G. Bray, Steve A. Ward. Post-Adhesive Calcium Signaling of Endothelial Cells in Malaria. Presented at the First Scientific Meeting in Allied Health Sciences, Thammasat University, Rangsit Campus, Pathumthani: Feb 20, 2008. Abstract page 38. (Oral Presentation)
Parnpen Viriyavejakul , Giancarlo Biagini, Patrick G. Bray, Steve A. Ward. Activation of Transcription Factor-Nuclear Factor Kappa B (nf- k b) in Endothelial Cells Upon Malaria Parasite Cytoadherence. Presented at the Joint International Tropical Medicine Meeting 2007, Imperial Queen’s Park Hotel, Bangkok: Nov 29-30, 2007. Abstract page 257. (Poster Presentation)
Parnpen Viriyavejakul , Giancarlo Biagini, Patrick G. Bray, Steve A. Ward. Apoptosis and Calcium Involvement in HUVEC-Malaria Parasite Binding. Presented at the Joint International Tropical Medicine Meeting 2006, Imperial Queen’s Park Hotel, Bangkok: Nov 30 - Dec 2, 2006. Abstract page 202. (Oral Presentation)
Parnpen Viriyavejakul , Giancarlo Biagini, Patrick G. Bray, Steve A. Ward. Consequences of Malaria Parasite-Endothelial Cell Binding. Presented at the Joint International Tropical Medicine Meeting 2005, The Grand Hotel, Bangkok: Nov 30 - Dec 2, 2005. Abstract page 118. (Oral Presentation)
Parnpen Viriyavejakul . Prevalence of Malignancies in Thailand: An Overview. Presented at the Third International Conference of Pathology, Royal River Hotel, Bangkok. Dec 8, 2000.
Parnpen Viriyavejakul , Rojanasunan P, Viriyavejakul A, Punyarit P, Punpoowong B, Khachansaksumet V, Riganti M, Pongponratn E. Opportunistic Infections in the Liver of HIV-Infected Patients in Thailand: A Necropsy Study. Presented at The 3rd Seminar on Food-Borne Parasitic Zoonoses:Food- and Water-Borne Parasitic Zoonoses in the 21st Century, Joint International Tropical Medicine Meeting 2000 and The 6th Chamlong-Tranakchit Harinasuta Lecture: Dec 6-8, 2000. Abstract page 257.
Parnpen Viriyavejakul , Rojanasunan P, Viriyavejakul A, Khachansaksumet V, Pongponratn E, Punpoowong B, Maneerat Y, Chaisri U, Riganti M. Liver Pathology in AIDS: A Preliminary Study. Presented at The Joint International Tropical Medicine Meeting 1998 and The Fourth Chamlong-Tranakchit Harinasuta Lecture. Faculty of Tropical Medicine, Mahidol University, Thailand. August 20, 1998. Abstract page 37.
Parnpen Viriyavejakul , Punpoowong B, Riganti M, Pongponaratn E, Chaisri U, Maneerat Y. Opportunistic Protozoa in Stool Samples of HIV infected Patients. Presented at The 10th International Congress of Protozoology, Sydney, Australia. June 21-25, 1997 Abstract page 209.
Parnpen Viriyavejakul , Riganti M, Viravan C, Punpoowong B. Imported cutaneous leishmaniasis: A Histopathological Observation. Presented at The First World Congress on Leishmaniosis, Istanbul, Turkey. May 5-9, 1997. ISSN 1300-6320. Acta Parasitologica Turcica 21 suppl 1, 1977. Abstract No. 384, page 181.
Parnpen Viriyavejakul , M. Rochanawutanon. Tumorous amyloidosis of the larynx: A case report. Presented at the Seventh National Congress of Pathology, Chiangmai, Thailand. Feb. 1-3, 1995. Abstract No. 0-PA-13, page 61.
Parnpen Sanguansri, Batara L, Chinprasatsak S, Wilairatana P, Visalsawadi P, Kitayaporn D, Looareesuwan S. The prevalence of Helicobacter pylori in patients undergoing upper gastrointestinal endoscopy in Maharat, Nakorn Ratchasima hospital by different diagnostic tests. Presented at the Faculty of Tropical Medicine’s Seminar on Current Research Works, Faculty of Tropical Medicine, Mahidol University, Thailand. June 15, 1993. Abstract page 4.
Parnpen Viriyavejakul . Malaria Research Outlook. Presented at the Second Scientific Meeting in Allied Health Sciences, Thammasat University, Rangsit Campus, Pathumthani: Feb 20, 2009. Abstract page 38.
Parnpen Viriyavejakul , Giancarlo Biagini, Patrick G. Bray, Steve A. Ward. Exploring Calcium Signaling in Endothelial Cells-Malaria Parasites Cytoadhesion. Presented at the 3 rd ASEAN Congress of Tropical Medicine and Parasitology (ACTMP3), Windsor Suites Hotel, Bangkok, Thailand. : Feb 22-23, 2008.
Viriyavejakul P , Riganti M, Pongponratn E, Punpoowong B, Khachansaksumet V. Liver Pathology in AIDS, ISBN: 974-346-486-7. Ministry of University Affairs, Bangkok, Thailand, 2000.