Objectives To determine the role of prolactin in male parental care for the cot Prolactin (PRL) levels have been elevated during male parental care in some monogamous birds, rodents and one primate, the common marmoset, Callithrix jacchus. We examined PRL levels in six male cotton-top tamarins (Saguinus oedipus) which are socially monogamous and begin caring for infants shortly after birth. Urine samples were collected, concentrated and analyzed two weeks before and following birth of infants to their mate and in nonparental males paired with females, nonparental males living adjacent to a female and in eldest sons in large family groups. PRL levels were significantly higher in fathers during the postpartum period than in the other males. PRL levels in fathers were elevated before birth, following birth and after infants were weaned. The elevated PRL levels in parental males appeared to be related to the experience of the fathers since correlations between PRL levels and the number of successful births a father had experienced, the number of previous births or the age of the father were high. However, correlations between PRL levels for individual fathers and the percent of time fathers carried infants or the number of helpers in the group were low. Elevated PRL in fathers was not associated with elevated cortisol levels. However, both cortisol and PRL were elevated following capture plus saline injection or metoclopramide injection indicating that PRL does respond to acute stress. Theses results suggest that different neural pathways are probably involved in PRL release during parental care versus response to acute stress. Keywords urinary prolactin, urinary cortisol, parental care, stress

National Institute of Health (NIH)
National Center for Research Resources (NCRR)
Primate Research Center Grants (P51)
Project #
Application #
Study Section
Project Start
Project End
Budget Start
Budget End
Support Year
Fiscal Year
Total Cost
Indirect Cost
Kang, HyunJun; Mesquitta, Walatta-Tseyon; Jung, Ho Sun et al. (2018) GATA2 Is Dispensable for Specification of Hemogenic Endothelium but Promotes Endothelial-to-Hematopoietic Transition. Stem Cell Reports 11:197-211
Rhoads, Timothy W; Burhans, Maggie S; Chen, Vincent B et al. (2018) Caloric Restriction Engages Hepatic RNA Processing Mechanisms in Rhesus Monkeys. Cell Metab 27:677-688.e5
Ellis-Connell, Amy L; Balgeman, Alexis J; Zarbock, Katie R et al. (2018) ALT-803 Transiently Reduces Simian Immunodeficiency Virus Replication in the Absence of Antiretroviral Treatment. J Virol 92:
Park, Mi Ae; Jung, Ho Sun; Slukvin, Igor (2018) Genetic Engineering of Human Pluripotent Stem Cells Using PiggyBac Transposon System. Curr Protoc Stem Cell Biol 47:e63
Ellis, Amy; Balgeman, Alexis; Rodgers, Mark et al. (2017) Characterization of T Cells Specific for CFP-10 and ESAT-6 in Mycobacterium tuberculosis-Infected Mauritian Cynomolgus Macaques. Infect Immun 85:
Rodrigues, Michelle A (2017) Female Spider Monkeys (Ateles geoffroyi) Cope with Anthropogenic Disturbance Through Fission-Fusion Dynamics. Int J Primatol 38:838-855
Buechler, Connor R; Bailey, Adam L; Lauck, Michael et al. (2017) Genome Sequence of a Novel Kunsagivirus (Picornaviridae: Kunsagivirus) from a Wild Baboon (Papio cynocephalus). Genome Announc 5:
Wu, Hong; Whritenour, Jessica; Sanford, Jonathan C et al. (2017) Identification of MHC Haplotypes Associated with Drug-induced Hypersensitivity Reactions in Cynomolgus Monkeys. Toxicol Pathol 45:127-133
Shackman, A J; Fox, A S; Oler, J A et al. (2017) Heightened extended amygdala metabolism following threat characterizes the early phenotypic risk to develop anxiety-related psychopathology. Mol Psychiatry 22:724-732
Kalin, Ned H (2017) Mechanisms underlying the early risk to develop anxiety and depression: A translational approach. Eur Neuropsychopharmacol 27:543-553

Showing the most recent 10 out of 528 publications