Higher perceived dominance in Toxoplasma infected men - A new evidence for role of increased level of testosterone in toxoplasmosis-associated changes in human behavior

Neuroendocrinology Letters

Volumn 28, Issue 2, 2007, Pages 110-114

  Hodková, Hana ^a   Kolbeková, Petra ^a   Skallová, Anna ^a   Lindová, Jitka ^a   Flegr, Jaroslav ^a  

^a CHARLES UNIVERSITY   (Czech Republic)

Author keywords

Human; Masculinity; Parasite

Indexed keywords

TESTOSTERONE;

ADULT; ARTICLE; BEHAVIOR CHANGE; BODY HEIGHT; CAT; CLINICAL ARTICLE; CONTROLLED STUDY; DOMINANCE BEHAVIOR; FINGER; HUMAN; INTERMEDIATE HOST; MALE; MASCULINITY; STATISTICAL ANALYSIS; TOXOPLASMOSIS;

EID: 34248391475     PISSN: 0172780X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (42)

1. Barnard CJ, Behnke JM. Parasitism and Host Behaviour. Taylor and Francis, New York. 1990.
2. Berdoy M, Webster JP, Macdonald DW. Fatal attraction in rats infected with Toxoplasma gondii. Proc R Soc London, B Biol Sci. 2000; 267: 1591-1594.
3. Bernhardt PC, Dabbs JM, Fielden JA, Lutter CD. Testosterone changes during vicarious experiences of winning and losing among fans at sporting events. Physiol Behav. 1998; 65: 59-62.
4. Dabbs JM. Age and seasonal-variation in serum testosterone concentration among men. Chronobiol Int. 1990; 7: 245-249.
5. Dabbs JM. Salivary Testosterone measurements - reliability across hours, days, and weeks. Physiol Behav. 1990; 48: 83-86.
6. Dominguez JM, Hull EM. Dopamine, the medial preoptic area, and male sexual behavior. Physiol Behav. 2005; 86: 356-368.
7. Drop SLS, De Waal WJ, Keizer-Schrama SMPF. Sex steroid treatment of constitutionally tall stature. Endocrine Reviews. 1998; 19: 540-558.
8. Fink B, Neave N, Manning JT, Grammer K. Facial symmetry and the 'big-five' personality factors. Pers Indiv Differ. 2005; 39: 523-529.
9. Flegr J, Havlicek J, Kodym P, Maly M, Smahel Z. Increased risk of traffic accidents in subjects with latent toxoplasmosis: a retrospective case-control study. BMC Infect. Dis. 2002; 2: art-11.
10. Flegr J, Hrdy I. Influence of chronic toxoplasmosis on some human personality factors. Folia Parasitol. 1994; 41: 122-126.
11. Flegr J, Hruskova M, Hodny Z, Novotna M, Hanusova J. Body height, body mass index, waist-hip ratio, fluctuating asymmetry and second to fourth digit ratio in subjects with latent toxoplasmosis. Parasitology. 2005; 130: 621-628.
12. Flegr J, Preiss M, Klose J, Havlicek J, Vitakova M, Kodym P. Decreased level of psychobiological factor novelty seeking and lower intelligence in men latently infected with the protozoan parasite Toxoplasma gondii Dopamine, a missing link between schizophrenia and toxoplasmosis? Biol Psychol. 2003; 63: 253-268.
13. Flegr J, Zitkova S, Kodym P, Frynta D. Induction of changes in human behaviour by the parasitic protozoan Toxoplasma gondii. Parasitology, 1996; 113: 49-54.
14. Hull EM, Muschamp JW, Sato S. Dopamine and serotonin: influences on male sexual behavior. Physiol Behav. 2004; 83: 291-307.
15. Jones JL, Kruszon-Moran D, Wilson M, McQuillan G, Navin T, Mcauley JB. Toxoplasma gondii infection in the United States: Seroprevalence and risk factors. Am J Epidemiol. 2001; 154: 357-365.
16. Kanková Š, Šulc J, Nouzová K, Fajfrlík K, Frynta D, Flegr J. Women infected with parasite Toxoplasma have more sons. Naturwissenschaften. 2007; 94: 122-127.
17. Koppe JG, Rothova A. Congenital toxoplasmosis. A long-term follow-up of 20 years. Int Ophthalmol. 1989; 13: 387-390.
18. Larralde C, Morales J, Terrazas I, Govezensky T, Romano MC. Sex hormone changes induced by the parasite lead to feminization of the male host in murine Taenia crassiceps cysticercosis. J Steroid Biochem Mol Biol. 1995; 52: 575-580.
19. Lindová J, Novotna M, Havlicek J, Jozífkova E, Skallova A, Kolbekova P, Hodny Z, Kodym P, Flegr J. Gender differences in behavioural changes induced by latent toxoplasmosis. Int J Parasitol. 2006; 36: 1485-1492.
20. Luxen MF, Buunk BP. Second-to-fourth digit ratio related to verbal and numerical intelligence and the big five. Pers Indiv Differ. 2005; 39: 959-966.
21. Manning JT. Digit ratio: A pointer to fertility, behavior, and heatlh. Rutgers University Press, New Jersey. 2002: 1-173 pp.
22. Manning JT, Scutt D, Wilson J, Lewis-Jones DI. The ratio of 2nd to 4th digit length: a predictor of sperm numbers and concentrations of testosterone, luteinizing hormone and oestrogen. Hum Reprod. 1998; 13: 3000-3004.
23. Markell EK, John DT, Krotoski WA. Markell and Voge's Medical parasitology. W.B. Saunders Company, Philadelphia, 1999.
24. McIntyre MH, Ellison PT, Lieberman DE, Demerath E, Tone B. The development of sex differences in digital formula from infancy in the Fels Longitudinal Study. Proc R Soc London, B Biol Sci. 2005; 272: 1473-1479.
25. Neave N, Laing S, Fink B, Manning JT. Second to fourth digit ratio, testosterone and perceived male dominance. Proc R Soc London, B Biol Sci. 2003; 270: 2167-2172.
26. Novotna M, Hanusova J, Klose J, Preiss M, Havlicek J, Roubalova K, Flegr J. Probable neuroimmunological link between Toxoplasma and cytomegalovirus infections and personality changes in the human host. BMC Infect Dis. 2005; 5.
27. Penton-Voak IS, Chen JY. High salivary testosterone is linked to masculine male facial appearance in humans. Evol Hum Behav. 2004; 25: 229-241.
28. Pokorny J, Fruhbauer Z, Polednakova S, Sykora J, Zastera M, Fialova D. Stanoveni antitoxoplasmickych protilatek IgG netodou ELISA (Assessment of antitoxoplasmatic IgG antibodies with the ELISA method). Cs Epidem. 1989; 38: 355-361.
29. Remington JS, Krahenbuhl JL. Immunology of Toxoplasma gondii. In Nahmias,AJ, O'Reilly,J (Eds.). Immunology of human infection, Part II Plenum Publishing Corporation, New York.1982, pp. 327-371.
30. Roberts LS, Janovy JJr, Gerald S Schmidt & Larry S. Roberts' Foundations of parasitology. McGraw-Hill Companies, Inc, Boston, 2000.
31. Roberts LS, Janovy JJr, Gerald S Schmidt & Larry S Roberts' Foundations of parasitology. McGraw-Hill Companies. Inc, Boston. 2000.
32. Schuster JP, Schaub GA. Experimental Chagas disease: the influence of sex and psychoneuroimmunological factors. Parasitol Res. 2001; 87: 994-1000.
33. Shirtcliff EA, Granger DA, Likos A. Gender differences in the validity of testosterone measured in saliva by immunoassay. Horm. Behav. 2002; 42: 62-69.
34. Skallova A, Frynta D, Kodym P, Flegr J. The role of dopamine in Toxoplasma-induced behavioural alterations in mice: an ethological and ethopharmacological study. Parasitology. 2006; 133: 525-535.
35. Skallova A, Novotna M, Kolbekova P, Gasova Z, Vesely V, Flegr J. Decreased level of novelty seeking in blood donors infected with toxoplasma. Neuroendocrinol Lett. 2005; 26: 480-486.
36. Sorenson JC, Meier RJ, Campbell BC. Dermatoglyphic asymmetry and testosterone levels in normal males. Am J Phys Anthropol. 1993; 90: 185-198.
37. Stibbs HH. Changes in brain concentrations of catecholamines and indoleamines in Toxoplasma gondii infected mice. Ann Trop Med Parasitol.1985; 79: 153-157.
38. Szczypka MS, Zhou QY, Palmiter RD. Dopamine-stimulated sexual behavior is testosterone dependent in mice. Behav Neurosci. 1998; 112: 1229-1235.
39. Tenter AM. Heckeroth AR, Weiss LM. Toxoplasma gondii: from animals to humans. Int J Parasitol. 2000; 30: 1217-1258.
40. Trivers R, Manning J, Jacobson A. A longitudinal study of digit ratio (2D:4D) and other finger ratios in Jamaican children. Horm Behav. 2006; 49: 150-156.
41. Warren J, Sabin AB. The complement fixation reaction in toxoplasmic infection. Proc Soc Exp Biol Med. 1942; 51: 11-16.
42. Webster JP. The effect of Toxoplasma gondii and other parasites on activity levels in wild and hybrid Rattus norvegicus. Parasitology. 1994; 109: 583-589.