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Park JY, Seok JH, Cho KS, Kang DH, Kim JS, Do SH, Na HS, Jang SA, Ahn RS. Association of salivary testosterone levels during the post-awakening period with age and symptoms suggestive of late-onset hypogonadism in men. Ann Med 2024; 56:2356667. [PMID: 38776237 PMCID: PMC11123501 DOI: 10.1080/07853890.2024.2356667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 04/23/2024] [Indexed: 05/24/2024] Open
Abstract
BACKGROUND The lack of association between serum testosterone levels and symptoms suggestive of hypogonadism is a significant barrier in the determination of late-onset hypogonadism (LOH) in men. This study explored whether testosterone levels increase after morning awakening, likewise the cortisol awakening response (CAR) in the hypothalamic-pituitary-adrenal (HPA) axis, and whether testosterone levels during the post-awakening period are associated with age and symptoms suggestive of late-onset hypogonadism (LOH) in men. METHODS Testosterone and cortisol levels were determined in saliva samples collected immediately upon awakening and 30 and 60 min after awakening, and scores of the Aging Males' Symptoms (AMS) questionnaire were obtained from 225 healthy adult men. RESULTS A typical CAR (an increase in cortisol level ≥ 2.5 nmol/L above individual baseline) was observed in 155 participants (the subgroup exhibiting typical CAR). In the subgroup exhibiting CAR, testosterone levels sharply increased during the post-awakening period, showing a significant negative correlation with age, total AMS score, and the scores of 11 items on the somatic, psychological, and sexual AMS subscales. Of these items, three sexual items (AMS items #15-17) were correlated with age. Meanwhile, there was no notable increase in testosterone levels and no significant correlation of testosterone levels with age and AMS score in the subgroup exhibiting no typical CAR (n = 70). CONCLUSIONS The results indicate that the hypothalamus-pituitary-gonad (HPG) axis responds to morning awakening, and determining testosterone levels during the post-awakening period in men with typical CAR may be useful for assessing HPG axis function and LOH.
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Affiliation(s)
- Jai-Young Park
- Department of Anesthesiology and Pain Medicine, Gangneung Asan Hospital, College of Medicine, University of Ulsan, Gangwon, Republic of Korea
| | - Jeong-Ho Seok
- Department of Psychiatry, Yonsei University Gangnam Severance Hospital, College of Medicine, Yonsei University, Seoul, Republic of Korea
| | - Kang-Su Cho
- Department of Urology, Prostate Cancer Center, Yonsei University Gangnam Severance Hospital, College of Medicine, Yonsei University, Seoul, Republic of Korea
| | - Dong-Hyun Kang
- Department of Anesthesiology and Pain Medicine, Gangneung Asan Hospital, College of Medicine, University of Ulsan, Gangwon, Republic of Korea
| | - Jin-Sun Kim
- Department of Anesthesiology and Pain Medicine, Gangneung Asan Hospital, College of Medicine, University of Ulsan, Gangwon, Republic of Korea
| | - Sang-Hwan Do
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Gyeonggi, Republic of Korea
| | - Hyo-Seok Na
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Gyeonggi, Republic of Korea
| | - Soo-Ah Jang
- Department of Psychiatry, Yonsei University Gangnam Severance Hospital, College of Medicine, Yonsei University, Seoul, Republic of Korea
| | - Ryun S. Ahn
- Institute of Behavioral Sciences in Medicine, Yonsei University Gangnam Severance Hospital, College Of Medicine, Yonsei University, Seoul, Republic of Korea
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Andersen E, Klusmann H, Eisenlohr-Moul T, Baresich K, Girdler S. Life stress influences the relationship between sex hormone fluctuation and affective symptoms in peripubertal female adolescents. Dev Psychopathol 2024; 36:821-833. [PMID: 36876646 PMCID: PMC10480354 DOI: 10.1017/s095457942300010x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Female adolescents have a greatly increased risk of depression starting at puberty, which continues throughout the reproductive lifespan. Sex hormone fluctuation has been highlighted as a key proximal precipitating factor in the development of mood disorders tied to reproductive events; however, hormone-induced affective state change is poorly understood in the pubertal transition. The present study investigated the impact of recent stressful life events on the relationship between sex hormone change and affective symptoms in peripubertal female participants. Thirty-five peripubertal participants (ages 11-14, premenarchal, or within 1 year of menarche) completed an assessment of stressful life events, and provided weekly salivary hormone collections [estrone, testosterone, dehydroepiandrosterone (DHEA)] and mood assessments for 8 weeks. Linear mixed models tested whether stressful life events provided a context in which within-person changes in hormones predicted weekly affective symptoms. Results indicated that exposure to stressful life events proximal to the pubertal transition influenced the directional effects of hormone change on affective symptoms. Specifically, greater affective symptoms were associated with increases in hormones in a high stress context and decreases in hormones in a low stress context. These findings provide support for stress-related hormone sensitivity as a diathesis for precipitating affective symptoms in the presence of pronounced peripubertal hormone flux.
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Affiliation(s)
- Elizabeth Andersen
- University of North Carolina, Department of Psychiatry. CB #7167, Chapel Hill, NC 27617
| | - Hannah Klusmann
- University of North Carolina, Department of Psychiatry. CB #7167, Chapel Hill, NC 27617
- Freie Universität Berlin, Division of Clinical Psychological Intervention, Department of Education and Psychology. Schwendenerstraße 27, 14195 Berlin, Germany
| | - Tory Eisenlohr-Moul
- University of Illinois at Chicago, Department of Psychiatry, MC 913, Chicago, IL 60612
| | - Kayla Baresich
- University of North Carolina, Department of Psychiatry. CB #7167, Chapel Hill, NC 27617
| | - Susan Girdler
- University of North Carolina, Department of Psychiatry. CB #7167, Chapel Hill, NC 27617
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3
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Kotov DA, Corpuz R. No evidence for relationship between paternal post-partum depressive symptoms and testosterone or cortisol in first-time fathers. Front Psychol 2024; 15:1348031. [PMID: 38425562 PMCID: PMC10902172 DOI: 10.3389/fpsyg.2024.1348031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 01/22/2024] [Indexed: 03/02/2024] Open
Abstract
Male life history strategies are regulated by the neuroendocrine system. Testosterone (T) and cortisol regulate male behaviors including parenting and facilitate managing tradeoffs at key transitions in development such as first-time fatherhood. Both hormones demonstrate marked fluctuations in the postnatal period, and this presents an opportunity to investigate the role of T and cortisol in postpartum depressive symptoms-comparably less studied in fathers than in mothers in the evolutionary literature. Prior work on depressive symptoms has yet to integrate insights from the "dual hormone hypothesis (DHH)" which has focused on how T and cortisol interact to jointly regulate traits associated with dominance and status-seeking (i.e., mating effort) but has yet to be included in models of parenting effort. In this research, we use secondary data to investigate the relationship between DHH and traits ostensibly opposed to status seeking (i.e., depressive symptoms). First-time fathers (n = 193) provided morning saliva samples 10 months following parturition and reported on the presence of depressive symptoms (BDI-II). Responses were decomposed into three factors: cognitive, affective, and somatic. Using hybrid latent variable structural equation modeling, we did not find evidence that T predicted variability in cognitive, affective, or somatic depressive symptom factors. We found a null effect for cortisol as well. Finally, we could not find evidence that the DHH variable (T × cortisol interaction) predicted any variability in cognitive, affective, or somatic depressive symptoms. While we did not find evidence to support our hypotheses using a secondary data set, this study contributes to research on the neuroendocrinology of depression in fathers. Discussion focuses on the limitations of sample demographics, timing of saliva and self-report collection, and the lack of extant theory specific to paternal postpartum depression.
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Affiliation(s)
| | - Randy Corpuz
- Department of Psychology, University of Massachusetts Boston, Boston, MA, United States
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4
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Rosenbaum S, Kuzawa CW. The promise of great apes as model organisms for understanding the downstream consequences of early life experiences. Neurosci Biobehav Rev 2023; 152:105240. [PMID: 37211151 DOI: 10.1016/j.neubiorev.2023.105240] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 05/08/2023] [Accepted: 05/10/2023] [Indexed: 05/23/2023]
Abstract
Early life experiences have a significant influence on adult health and aging processes in humans. Despite widespread interest in the evolutionary roots of this phenomenon, very little research on this topic has been conducted in humans' closest living relatives, the great apes. The longitudinal data sets that are now available on wild and captive great ape populations hold great promise to clarify the nature, evolutionary function, and mechanisms underlying these connections in species which share key human life history characteristics. Here, we explain features of great ape life history and socioecologies that make them of particular interest for this topic, as well as those that may limit their utility as comparative models; outline the ways in which available data are complementary to and extend the kinds of data that are available for humans; and review what is currently known about the connections among early life experiences, social behavior, and adult physiology and biological fitness in our closest living relatives. We conclude by highlighting key next steps for this emerging area of research.
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Affiliation(s)
| | - Christopher W Kuzawa
- Department of Anthropology, Northwestern University, USA; Institute for Policy Research, Northwestern University, USA
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5
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Gettler LT, Samson DR, Kilius E, Sarma MS, Miegakanda V, Lew-Levy S, Boyette AH. Hormone physiology and sleep dynamics among BaYaka foragers of the Congo Basin: Gendered associations between nighttime activity, testosterone, and cortisol. Horm Behav 2023; 155:105422. [PMID: 37683498 DOI: 10.1016/j.yhbeh.2023.105422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 07/24/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023]
Abstract
Sleep quality is an important contributor to health disparities and affects the physiological function of the immune and endocrine systems, shaping how resources are allocated to life history demands. Past work in industrial and post-industrial societies has shown that lower total sleep time (TST) or more disrupted nighttime sleep are linked to flatter diurnal slopes for cortisol and lower testosterone production. There has been little focus on these physiological links in other socio-ecological settings where routine sleep conditions and nighttime activity demands differ. We collected salivary hormone (testosterone, cortisol) and actigraphy-based sleep data from Congolese BaYaka foragers (N = 39), who have relatively short and fragmented nighttime sleep, on average, in part due to their typical social sleep conditions and nighttime activity. The hormone and sleep data collections were separated by an average of 11.23 days (testosterone) and 2.84 days (cortisol). We found gendered links between nighttime activity and adults' hormone profiles. Contrary to past findings in Euro-American contexts, BaYaka men who were more active at night, on average, had higher evening testosterone than those with lower nighttime activity, with a relatively flat slope relating nighttime activity and evening testosterone in women. Women had steeper diurnal cortisol curves with less disrupted sleep. Men had steeper cortisol diurnal curves if they were more active at night. BaYaka men often hunt and socialize when active at night, which may help explain these patterns. Overall, our findings indicate that the nature of nighttime activities, including their possible social and subsistence contexts, are potentially important modifiers of sleep quality-physiology links, meriting further research across contexts.
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Affiliation(s)
- Lee T Gettler
- University of Notre Dame, Department of Anthropology, Notre Dame 46556, USA; University of Notre Dame, Eck Institute for Global Health, Notre Dame 46556, USA.
| | - David R Samson
- University of Toronto Mississauga, Department of Anthropology, Mississauga L5L1C6, Canada
| | - Erica Kilius
- University of Toronto Mississauga, Department of Anthropology, Mississauga L5L1C6, Canada
| | - Mallika S Sarma
- Johns Hopkins University, School of Medicine, Baltimore 21287, USA
| | - Valchy Miegakanda
- Laboratoire National de Sante Publique, Brazzaville, Republic of the Congo
| | - Sheina Lew-Levy
- Department of Psychology, Durham University, Durham DH1 3LE, UK
| | - Adam H Boyette
- Max Planck Institute for Evolutionary Anthropology, Department of Human Behavior, Ecology and Culture, Leipzig 04103, Germany
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6
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Nikolovski Z, Foretić N, Vrdoljak D, Marić D, Perić M. Comparison between Match and Training Session on Biomarker Responses in Handball Players. Sports (Basel) 2023; 11:sports11040083. [PMID: 37104157 PMCID: PMC10144828 DOI: 10.3390/sports11040083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/05/2023] [Accepted: 04/10/2023] [Indexed: 04/28/2023] Open
Abstract
A variety of loads are placed upon an athlete in team sports (e.g., training, match, or competitions). However, the volume of the training load plays an important role in match success. Therefore, the aim of this study was to compare the differences in biomarker dynamics during the match and during training, and to evaluate if such training represents a good stimulus for an athlete to adapt to match stress. Ten male handball players (average age of 24.1 ± 3.17 years, body height of 1.88 ± 0.64 m, and body mass of 94.6 ± 9.6 kg) took part in this study. Their saliva cortisol, testosterone, and alpha-amylase were sampled during the match and training (sessions of 90 min duration, respectively). The results showed that cortisol had higher values after the match (0.65 µg/dL) than after training (0.32 µg/dL) (p = 0.05; ES = 0.39). Testosterone concentrations had a steeper increase during a match (65%) than after training (37%). Alpha-amylase levels did not differ significantly between the match and training (p = 0.77; ES = -0.06). Overall, the results showed that the environment of a match was more stressful for the athletes; therefore, a match provoked a stronger endocrine response in the studied markers. Therefore, we concluded that a match seemed to be a stronger trigger for all of the measured biomarker responses.
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Affiliation(s)
- Zoran Nikolovski
- Faculty of Kinesiology, University of Split, 21000 Split, Croatia
- High Performance Sport Center, Croatian Olympic Committee, 10000 Zagreb, Croatia
| | - Nikola Foretić
- Faculty of Kinesiology, University of Split, 21000 Split, Croatia
- High Performance Sport Center, Croatian Olympic Committee, 10000 Zagreb, Croatia
| | - Dario Vrdoljak
- Faculty of Kinesiology, University of Split, 21000 Split, Croatia
| | - Dora Marić
- Faculty of Kinesiology, University of Split, 21000 Split, Croatia
| | - Mia Perić
- Faculty of Kinesiology, University of Split, 21000 Split, Croatia
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Wang H, Zhang S, Wu S, Qin S, Liu C. Cortisol awakening response and testosterone jointly affect adolescents' theory of mind. Horm Behav 2022; 146:105258. [PMID: 36116196 DOI: 10.1016/j.yhbeh.2022.105258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 08/21/2022] [Accepted: 08/31/2022] [Indexed: 11/26/2022]
Abstract
Adolescence is a critical period for the maturation of neurobiological processes and hormone secretion. Recent studies on the dual-hormone hypothesis have indicated that basal cortisol and testosterone jointly affect dominant and aggressive behavior among adolescents and adults. Whether this hypothesis applies to prosocial-related understanding of others' mental states remains unclear. The present study investigated associations between basal testosterone, basal cortisol (and cortisol awakening response [CAR]), and the cognitive/affective theory of mind (ToM) in 243 adolescents (67.9 % male, aged 14 to 17 years, Mage = 16.09, standard deviation = 0.62). Cognitive ToM (cToM) and affective ToM (aToM) were assessed with a cartoon story reasoning task: In the cToM condition, participants viewed a comic strip story and needed to predict what would happen based on a character's intentions, and in the aToM condition, they viewed a comic strip of two characters interacting and needed to think about what would make the protagonist feel better. The results showed that basal testosterone and basal cortisol did not interact with each other to affect the performance of ToM, either in terms of ToM accuracy or response speed. However, under the condition of low CAR, testosterone is associated with the fast performance of cToM, although the interaction of testosterone and CAR occurred only in female adolescents. Overall, our data provide new evidence for the dual-hormone hypothesis and further extend the hypothesis to social understanding.
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Affiliation(s)
- Huagen Wang
- State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing 100875, China; Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, 100875 Beijing, China; Center for Collaboration and Innovation in Brain and Learning Sciences, Beijing Normal University, 100875 Beijing, China
| | - Sihui Zhang
- Department of General Adult Psychiatry, Heidelberg University, 69115 Heidelberg, Germany
| | - Simeng Wu
- State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing 100875, China; Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, 100875 Beijing, China; Center for Collaboration and Innovation in Brain and Learning Sciences, Beijing Normal University, 100875 Beijing, China
| | - Shaozheng Qin
- State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing 100875, China; Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, 100875 Beijing, China; Center for Collaboration and Innovation in Brain and Learning Sciences, Beijing Normal University, 100875 Beijing, China.
| | - Chao Liu
- State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing 100875, China; Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, 100875 Beijing, China; Center for Collaboration and Innovation in Brain and Learning Sciences, Beijing Normal University, 100875 Beijing, China.
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8
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Crewther BT, Pastuszak A, Sadowska D, Górski M, Cook CJ. The digit ratio (2D:4D) and testosterone co-predict vertical jump performance in athletic boys: Evidence of organizational and activational effects of testosterone on physical fitness. Physiol Behav 2022; 251:113816. [PMID: 35443197 DOI: 10.1016/j.physbeh.2022.113816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/29/2022] [Accepted: 04/14/2022] [Indexed: 11/28/2022]
Abstract
The digit ratio (2D:4D) is a negative correlate of boy's physical fitness, and thought to arise from organizational effects of prenatal testosterone on different bodily systems. During human ontogeny, activational effects of testosterone on body size and strength offers another pathway to physical fitness. We tested these hypotheses by examining the organizational and activational effects of testosterone on vertical jump performance in athletic boys. Using a cross-sectional design, 173 boys (aged 9 to 18 years) were tested for standing height, body mass, body fat, fat-free mass, weekly training activity, training history, salivary testosterone and cortisol, R2D:4D, L2D:4D, and right-left 2D:4D (Dr-1), and vertical height in 3 different countermovement jump (CMJ) tests. A generalized additive model was employed to delineate age-related trajectories and predict CMJ performance. Our models yielded significant non-linear increases (or changes) in body size, current hormone concentration, training outcomes, and CMJ performance with chronological age. All 2D:4D measures were age invariant. The R2D:4D and testosterone were significant non-linear predictors of CMJ height with (R2 = 66.2%) or without (R2 = 54.3%) covariates, whereby a higher current testosterone concentration (up to a certain level) and a lower or higher R2D:4D were linked to better performance. The L2D:4D and Dr-1 had no predictive value. In conclusion, the R2D:4D and testosterone were co-predictors of CMJ height among athletic boys, with non-linear performance effects that differed in timing, tempo, and direction. Our findings confirm that testosterone can regulate a simple measure of boy's physical fitness through both an activational and organizational pathway.
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Affiliation(s)
- Blair T Crewther
- Institute of Sport - National Research Institute, Warsaw, Poland; School of Science and Technology, University of New England, Armidale, Australia.
| | - Anna Pastuszak
- Institute of Sport - National Research Institute, Warsaw, Poland
| | - Dorota Sadowska
- Institute of Sport - National Research Institute, Warsaw, Poland
| | - Michał Górski
- Institute of Sport - National Research Institute, Warsaw, Poland
| | - Christian J Cook
- School of Science and Technology, University of New England, Armidale, Australia; Hamlyn Centre, Imperial College, London, UK
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Andersen E, Fiacco S, Gordon J, Kozik R, Baresich K, Rubinow D, Girdler S. Methods for characterizing ovarian and adrenal hormone variability and mood relationships in peripubertal females. Psychoneuroendocrinology 2022; 141:105747. [PMID: 35398750 PMCID: PMC9149069 DOI: 10.1016/j.psyneuen.2022.105747] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 10/18/2022]
Abstract
Peripubertal females are at elevated risk for developing affective illness compared to males, yet biological mechanisms underlying this sex disparity are poorly understood. Female risk for depression remains elevated across a woman's reproductive lifespan, implicating reproductive hormones. A sensitivity to normal hormone variability during reproductive transition events (e.g., perimenopause) precipitates affective disturbances in susceptible women; however, the extent of hormone variability during the female pubertal transition and whether vulnerability to peripubertal hormone flux impacts affective state change in peripubertal females has not been studied. 52 healthy peripubertal females (ages 11-14) provided 8 weekly salivary samples and mood ratings. 10 salivary ovarian and adrenal hormones (e.g., estrone, testosterone, dehydroepiandrosterone (DHEA)) were analyzed weekly for 8 weeks using an ultrasensitive assay to characterize the female peripubertal hormone environment and its association with affective state. Hormone variability indices, including standard deviation, mean squared and absolute successive differences of the 8 weekly measurements were analyzed by menarche status. Within-person partial correlations were computed to determine the strength of the relationship between weekly change in hormone level and corresponding mood rating for each participant. As expected, results indicated that hormone variability was greater for post- relative to pre-menarchal females and with advancing pubertal development, yet pregnenolone-sulfate and aldosterone did not differ by menarche status. Mood sensitivity to changes in estrone was exhibited by 57% of participants, whereas 37% were sensitive to testosterone and 6% were sensitive to DHEA changes. The present results offer novel evidence that a substantial proportion of peripubertal females appear to be mood sensitive to hormone changes and may inform future investigations on the biological mechanisms underlying hormone-induced affect dysregulation in peripubertal females.
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Affiliation(s)
- Elizabeth Andersen
- Department of Psychiatry, University of North Carolina-Chapel Hill, CB 7160, Chapel Hill, NC 27517, United States.
| | - Serena Fiacco
- Department of Psychiatry, University of North Carolina-Chapel Hill, CB 7160, Chapel Hill, NC 27517, United States; Clinical Psychology Behavioral Analytics Lab, Department of Psychology, University of Zurich, Binzmuehlestrasse 14, Box 1, 8050 Zurich, Switzerland.
| | - Jennifer Gordon
- Department of Psychology, University of Regina, 3737 Wascana Parkway Regina, Saskatchewan S4S 0A2, Canada.
| | - Rachel Kozik
- Department of Psychiatry, University of North Carolina-Chapel Hill, CB 7160, Chapel Hill, NC 27517, United States.
| | - Kayla Baresich
- Department of Psychiatry, University of North Carolina-Chapel Hill, CB 7160, Chapel Hill, NC 27517, United States.
| | - David Rubinow
- Department of Psychiatry, University of North Carolina-Chapel Hill, CB 7160, Chapel Hill, NC 27517, United States.
| | - Susan Girdler
- Department of Psychiatry, University of North Carolina-Chapel Hill, CB 7160, Chapel Hill, NC 27517, United States.
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Evidence for an adolescent sensitive period to family experiences influencing adult male testosterone production. Proc Natl Acad Sci U S A 2022; 119:e2202874119. [PMID: 35639692 DOI: 10.1073/pnas.2202874119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
SignificanceTestosterone influences how animals devote energy and time toward reproduction, including opposing demands of mating and competition versus parenting. Reflecting this, testosterone often declines in new fathers and lower testosterone is linked to greater caregiving. Given these roles, there is strong interest in factors that affect testosterone, including early-life experiences. In this multidecade study, Filipino sons whose fathers were present and involved with raising them when they were adolescents had lower testosterone when they later became fathers, compared to sons whose fathers were present but uninvolved or were not coresident. Sons' own parenting behaviors did not explain these patterns. These results connect key social experiences during adolescence to adult testosterone, and point to possible intergenerational effects of parenting style.
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Prasad S, Knight EL, Sarkar A, Welker KM, Lassetter B, Mehta PH. Testosterone fluctuations in response to a democratic election predict partisan attitudes toward the elected leader. Psychoneuroendocrinology 2021; 133:105396. [PMID: 34508970 DOI: 10.1016/j.psyneuen.2021.105396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 08/12/2021] [Accepted: 08/21/2021] [Indexed: 10/20/2022]
Abstract
Intergroup competitions such as democratic elections can intensify intergroup polarization and conflict. Partisan attitudes toward the elected leader can also shift from before to after an election, but the biology underlying these attitudinal shifts remains largely unknown. An important factor could be the hormone testosterone, which is theorized to fluctuate during competition and to influence status seeking. In a naturalistic study of 113 registered voters, we measured changes in testosterone levels and attitudes toward the winner of the 2012 US Presidential Election. We found that supporters of the losing candidate (Mitt Romney) showed acute increases in testosterone levels compared to supporters of the winner (Barack Obama) on the evening of Election Day. Supporters of the losing candidate also demonstrated flatter diurnal testosterone slopes on Election Day that persisted up to two days after the election. Furthermore, greater increases in acute testosterone levels and flatter diurnal slopes among supporters of the losing candidate were associated with less positive evaluations of the winning candidate. These testosterone-moderated attitudinal shifts observed in the days after the election showed a directionally similar pattern with a weaker effect size six months later. Finally, we confirmed that the main results were robust to alternative data analytic choices using multiverse specification curve analysis. The findings from this paper suggest that hormonal responses to large-scale intergroup competitions may shape how we perceive our elected leaders, shedding light on the biology of intergroup relations.
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Affiliation(s)
- Smrithi Prasad
- Department of Psychology, University of Oregon, Eugene, OR 97403, USA; Division of Social Sciences, Yale-NUS College, Singapore 138527, Singapore.
| | - Erik L Knight
- Department of Psychology, University of Oregon, Eugene, OR 97403, USA; Department of Psychology and Neuroscience, University of Colorado, Boulder, CO 80309, USA.
| | - Amar Sarkar
- Trinity College, Trinity Street, University of Cambridge, Cambridge CB2 1TQ, UK; Leverhulme Centre for Human Evolutionary Studies, Department of Archaeology, Fitzwilliam Street, University of Cambridge, Cambridge CB2 1QH, UK; Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA
| | - Keith M Welker
- College of Liberal Arts, University of Massachusetts Boston, Boston, MA 02125, USA
| | - Bethany Lassetter
- Department of Psychology, University of Toronto, Toronto, ON M5S 3G3, Canada
| | - Pranjal H Mehta
- Department of Psychology, University of Oregon, Eugene, OR 97403, USA; Department of Experimental Psychology, University College London, London WC1H0AP, UK.
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12
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Kowal M, Sorokowski P, Żelaźniewicz A, Nowak J, Orzechowski S, Żurek A, Żurek G. A positive relationship between body height and the testosterone response to physical exercise. EVOL HUM BEHAV 2021. [DOI: 10.1016/j.evolhumbehav.2020.08.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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13
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Batra A, Wetmore AB, Hornsby WG, Lipinska P, Staniak Z, Surala O, Stone MH. Strength, Endocrine, and Body Composition Alterations across Four Blocks of Training in an Elite 400 m Sprinter. J Funct Morphol Kinesiol 2021; 6:jfmk6010025. [PMID: 33803237 PMCID: PMC8006296 DOI: 10.3390/jfmk6010025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/01/2021] [Accepted: 03/05/2021] [Indexed: 11/25/2022] Open
Abstract
The ability to produce force rapidly has the potential to directly influence sprinting performance through changes in stride length and stride frequency. This ability is commonly referred to as the rate of force development (RFD). For this reason, many elite sprinters follow a combined program consisting of resistance training and sprint training. The purpose of this study was to investigate the strength, endocrine and body composition adaptations that occur during distinct phases of a block periodized training cycle in a 400 m Olympic level sprinter. The athlete is an elite level 400 m male sprinter (age 31 years, body mass: 74 kg, years of training: 15 and Personal Best (PB): 45.65 s). This athlete completed four distinct training phases of a block periodized training program (16 weeks) with five testing sessions consisting of testosterone:cortisol (T/C) profiles, body composition, vertical jump, and maximum strength testing. Large fluctuations in T/C were found following high volume training and the taper. Minor changes in body mass were observed with an abrupt decrease following the taper which coincided with a small increase in fat mass percentage. Jump height (5.7%), concentric impulse (9.4%), eccentric impulse (3.4%) and power ratio (18.7%) all increased substantially from T1 to T5. Relative strength increased 6.04% from T1 to T5. Lastly, our results demonstrate the effectiveness of a competitive taper in increasing physiological markers for performance as well as dynamic performance variables. Block periodization training was effective in raising the physical capabilities of an Olympic level 400 m runner which have been shown to directly transfer to sprinting performance.
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Affiliation(s)
- Amit Batra
- Department of Sport, Exercise, Recreation, and Kinesiology, East Tennessee University, Johnson City, TN 36714, USA;
- Correspondence:
| | - Alex B. Wetmore
- Department of Athletics, Westminster College, Salt Lake City, UT 16172, USA;
| | - W. Guy. Hornsby
- College of Physical Activity and Sport Sciences, West Virginia University, Morgantown, WV 26505, USA;
| | - Patrycja Lipinska
- Institute of Physical Education, University of Bydgoszcz, 85-064 Bydgoszcz, Poland;
| | - Zbigniew Staniak
- Department of Biomechanics, Institute of Sport, National Research Institute, 01-982 Warsaw, Poland;
| | - Olga Surala
- Department of Nutrition Physiology and Dietetics, Institute of Sport-National Research Institute, 02-776 Warsaw, Poland;
| | - Michael H. Stone
- Department of Sport, Exercise, Recreation, and Kinesiology, East Tennessee University, Johnson City, TN 36714, USA;
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Corpuz R, D'Alessandro S, Collom GKS. The postnatal testosterone rebound in first-time fathers and the quality and quantity of paternal care. Dev Psychobiol 2020; 63:1415-1427. [PMID: 33274434 DOI: 10.1002/dev.22064] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 11/09/2020] [Accepted: 11/10/2020] [Indexed: 11/09/2022]
Abstract
In human males, testosterone (T) decreases in the period following the birth of offspring. This decline has been widely interpreted as a facultative neuroendocrine response that facilitates parenting effort. Conversely, research on if (or when) this decline in T would be followed by an eventual recovery and subsequent shift away from parenting effort is lacking. In a U.S. community sample of 225 males transitioning to first-time fatherhood, we measured T at three occasions: third trimester, infant 3 months postnatal, and infant 9-10 months postnatal. Using a piecewise latent growth curve model (GCM), we detected a T rebound from when infants were 3 months old to when infants were 9-10 months old. The slope of this rebound was able to predict paternal care using two distinct measures: (a) an experience sampling method (ESM) that gathered data on paternal time allocation over the course of the study period and (b) independent coders rating fathers for the quality of paternal care during a structured task designed to elicit an infant fear response. As predicted, the more accelerated one's T rebound (slope), the less time fathers invested in their infants across the study period. However, we found a positive relationship between T rebound and quality of paternal care during a challenging activity. Discussion will focus on nuanced reasons that contribute to these findings as well as speculate on the ultimate function of a human paternal T rebound.
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Affiliation(s)
- Randy Corpuz
- Department of Psychology, University of Massachusetts, Boston, MA, USA
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15
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Gildner TE. Reproductive hormone measurement from minimally invasive sample types: Methodological considerations and anthropological importance. Am J Hum Biol 2020; 33:e23535. [PMID: 33174269 DOI: 10.1002/ajhb.23535] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 10/26/2020] [Accepted: 10/28/2020] [Indexed: 12/19/2022] Open
Abstract
Energetic investment in human reproduction has long been recognized as costly, influencing developmental, physiological, and behavioral patterns in males and females. These effects are largely coordinated through the actions of reproductive hormones (eg, testosterone, estradiol, and progesterone). Here, the utility and limitations of minimally invasive sampling techniques are explored, providing a novel perspective on how reproductive hormone measurements can enhance reproductive endocrinology research. Salivary steroid measures are most commonly used, although several dried blood spot and urine assays are also available, and researchers continue to explore the efficacy of other sample types. These relatively simple measures have facilitated the collection of multiple samples from a single participant, allowing researchers to more accurately track the diurnal and cyclical variation exhibited by many reproductive hormones. Ultimately, the ability to collect fine-grained participant data allows biological anthropologists to better test questions central to human reproductive ecology, life history theory, and public health. For example, fieldwork using these techniques suggests that testosterone profile variation across populations is influenced by energetic constraints and reproductive status. Moreover, hormone concentrations shape the development of sex characteristics, with implications for evolutionary questions related to sexual selection. Hormone levels also can be used to identify a range of medical concerns (eg, suppressed hormone production levels linked with psychosocial stress). These findings highlight how minimally invasive collection techniques can be applied to test diverse evolutionary hypotheses and identify important health concerns. Still, more work is needed to standardize collection and laboratory analysis procedures, thereby enabling more direct data comparisons between researchers.
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Affiliation(s)
- Theresa E Gildner
- Department of Anthropology, Dartmouth College, Hanover, New Hampshire, USA
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16
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Gettler LT, Lew-Levy S, Sarma MS, Miegakanda V, Boyette AH. Sharing and caring: Testosterone, fathering, and generosity among BaYaka foragers of the Congo Basin. Sci Rep 2020; 10:15422. [PMID: 32963277 PMCID: PMC7508877 DOI: 10.1038/s41598-020-70958-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 06/17/2020] [Indexed: 01/13/2023] Open
Abstract
Humans are rare among mammals in exhibiting paternal care and the capacity for broad hyper-cooperation, which were likely critical to the evolutionary emergence of human life history. In humans and other species, testosterone is often a mediator of life history trade-offs between mating/competition and parenting. There is also evidence that lower testosterone men may often engage in greater prosocial behavior compared to higher testosterone men. Given the evolutionary importance of paternal care and heightened cooperation to human life history, human fathers' testosterone may be linked to these two behavioral domains, but they have not been studied together. We conducted research among highly egalitarian Congolese BaYaka foragers and compared them with their more hierarchical Bondongo fisher-farmer neighbors. Testing whether BaYaka men's testosterone was linked to locally-valued fathering roles, we found that fathers who were seen as better community sharers had lower testosterone than less generous men. BaYaka fathers who were better providers also tended to have lower testosterone. In both BaYaka and Bondongo communities, men in marriages with greater conflict had higher testosterone. The current findings from BaYaka fathers point to testosterone as a psychobiological correlate of cooperative behavior under ecological conditions with evolutionarily-relevant features in which mutual aid and sharing of resources help ensure survival and community health.
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Affiliation(s)
- Lee T Gettler
- Department of Anthropology, University of Notre Dame, 244 Corbett Family Hall, Notre Dame, IN, 46556, USA.
- Eck Institute for Global Health, University of Notre Dame, Notre Dame, IN, USA.
- William J. Shaw Center for Children and Families, University of Notre Dame, South Bend, IN, USA.
| | - Sheina Lew-Levy
- Department of Psychology, Simon Fraser University, Burnaby, Canada
- Department of Archaeology and Heritage Studies, Aarhus University, Aarhus, Denmark
| | - Mallika S Sarma
- Department of Anthropology, University of Notre Dame, 244 Corbett Family Hall, Notre Dame, IN, 46556, USA
| | - Valchy Miegakanda
- Institut National de Santé Publique, Brazzaville, Republic of the Congo
| | - Adam H Boyette
- Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
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Hodges-Simeon CR, Grail GPO, Albert G, Landry N, Ortiz TL, Carré JM, McHale TS, Arnocky SA. Testosterone, cortisol, and secretory immunoglobulin-A within a single day and across two sequential days among trans- and cis-gender men. Steroids 2020; 160:108640. [PMID: 32298661 DOI: 10.1016/j.steroids.2020.108640] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 03/02/2020] [Accepted: 03/30/2020] [Indexed: 11/21/2022]
Abstract
BACKGROUND Previous research on the association between testosterone (T) and immunity has produced conflicting results. OBJECTIVES We address two potential reasons for these empirical inconsistencies in the present research. First, the association between T and immunity may depend on which branch of the immune system is considered. Here, we examine secretory IgA (sIgA), a measure of mucosal immunity functionally related to respiratory infection risk. Second, the association between T and immunity may depend on a third regulatory variable. Therefore, we examine the interaction between T and cortisol (CORT) as well as their independent and combined effects on mucosal immunity. To do this, we explore intra-individual associations between sIgA, CORT, and T within a single day (i.e., morning vs. evening) and across 2 sequential mornings. We target two samples of men: (1) cisgender (i.e., born and identifying as men), and (2) transgender (i.e., born female but identifying as men) undergoing T therapy for gender realignment. MATERIALS AND METHODS One hundred and forty-eight adult men (transgender n = 29) provided saliva samples at three time points: (1) upon waking, (2) before sleep on the same day, and (3) upon waking the following day. Samples were assayed in duplicate for sIgA, T and CORT. RESULTS For cisgender men, sIgA, T, and CORT exhibited clear circadian rhythms and were significantly related within and between samples. For transgender men, evidence for circadian change was found for sIgA and CORT, but not T. Further, sIgA was associated with CORT, but not T. DISCUSSION AND CONCLUSIONS This study provides the first evidence that salivary T and sIgA concentrations are associated within a single day and across sequential days for cisgender men. Differences between cis- and transgender men suggest that this may only be true for T levels driven by endogenous production; however, future studies should employ a larger sample size.
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Affiliation(s)
| | - Graham P O Grail
- Department of Anthropology, Boston University, Boston, MA, United States; Department of Forensic Sciences, George Washington University, Washington, D.C., United States
| | - Graham Albert
- Department of Anthropology, Boston University, Boston, MA, United States
| | - Nicholas Landry
- Department of Psychology, Nipissing University, North Bay, Ontario, Canada
| | - Triana L Ortiz
- Department of Psychology, Nipissing University, North Bay, Ontario, Canada
| | - Justin M Carré
- Department of Psychology, Nipissing University, North Bay, Ontario, Canada
| | - Timothy S McHale
- Department of Anthropology, Boston University, Boston, MA, United States; Department of Anthropology and Museum Studies, Central Washington University, Ellensburg, WA, United States
| | - Steven A Arnocky
- Department of Psychology, Nipissing University, North Bay, Ontario, Canada
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18
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Corpuz R, Bugental D. Life history and individual differences in male testosterone: Mixed evidence for early environmental calibration of testosterone response to first-time fatherhood. Horm Behav 2020; 120:104684. [PMID: 31945323 DOI: 10.1016/j.yhbeh.2020.104684] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 11/06/2019] [Accepted: 01/03/2020] [Indexed: 11/19/2022]
Abstract
Male testosterone (T) decreases in response to childbirth. Longitudinal support for this has come from samples across cultures. In this study, we look at individual differences in this phenomenon. Utilizing a sample of U.S. fathers, we employ life history theory to investigate the influence of a father's early experience on his neuroendocrine response to fatherhood. We conducted three home visits (n = 226 fathers) from the third trimester of pregnancy to when infants were 10 months old. In this sample, T declined from the third trimester of (a partner's) pregnancy to the early months of the postnatal period. T recovered to pre-birth levels by the time infants reached 10 months old. We did not find any evidence that one's subjective experience of their early environment could account for any meaningful variability in T calibration. Objective, "event" measures of early harshness (i.e., death of a sibling/friend) and unpredictability (i.e., parent upheaval) each uniquely predicted a younger age of sexual debut. Neither harshness nor unpredictability had any (direct or indirect) effects on T calibration. Age of sexual debut did predict the rate of T recovery from 3 to 10 months postnatal. The younger one's sexual debut, the more accelerated their T ascent during this period. We discuss the potential reasons for, and implications of our mixed results.
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Affiliation(s)
- Randy Corpuz
- Department of Psychology, University of Massachusetts Boston, United States of America.
| | - Daphne Bugental
- Department of Psychological and Brain Sciences, University of California, Santa Barbara, United States of America
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19
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Gettler LT, Kuo PX, Rosenbaum S, Avila JL, McDade TW, Kuzawa CW. Sociosexuality, testosterone, and life history status: prospective associations and longitudinal changes among men in Cebu, Philippines. EVOL HUM BEHAV 2019. [DOI: 10.1016/j.evolhumbehav.2018.11.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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20
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Rosenbaum S, Gettler LT, McDade TW, Bechayda SS, Kuzawa CW. Does a man's testosterone “rebound” as dependent children grow up, or when pairbonds end? A test in Cebu, Philippines. Am J Hum Biol 2018; 30:e23180. [DOI: 10.1002/ajhb.23180] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 06/25/2018] [Accepted: 08/07/2018] [Indexed: 12/18/2022] Open
Affiliation(s)
- Stacy Rosenbaum
- Department of Anthropology Northwestern University Evanston Illinois
| | - Lee T. Gettler
- Department of Anthropology University of Notre Dame Notre Dame Indiana
- Eck Institute for Global Health University of Notre Dame Notre Dame Indiana
| | - Thomas W. McDade
- Department of Anthropology Northwestern University Evanston Illinois
- Institute for Policy Research, Northwestern University Evanston Illinois
| | - Sonny S. Bechayda
- Office of Population Studies University of San Carlos Cebu Philippines
- Department of Anthropology, Sociology, and History University of San Carlos Cebu Philippines
| | - Christopher W. Kuzawa
- Department of Anthropology Northwestern University Evanston Illinois
- Institute for Policy Research, Northwestern University Evanston Illinois
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21
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Short-Term d-Aspartic Acid Supplementation Does Not Affect Serum Biomarkers Associated With the Hypothalamic-Pituitary-Gonadal Axis in Male Climbers. Int J Sport Nutr Exerc Metab 2018; 29:259-264. [PMID: 29893592 DOI: 10.1123/ijsnem.2018-0076] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
D-aspartic acid (DAA) is promoted as a testosterone (T) enhancing supplement by mechanisms involving the hypothalamic-pituitary-gonadal (HPG) axis. Here, we investigated the short-term effects of DAA on serum biomarkers of the HPG-axis in male climbers. Using a single-blinded, placebo-controlled design, 16 climbers were randomly assigned to either a DAA (3 g/day) or placebo (3 g/day) supplement for 2 weeks. The reverse treatment commenced after a 2-week washout, with all conditions administered in a balanced manner. The subjects maintained their normal weekly training across this study. Serum samples taken before and after each treatment were analyzed for T, luteinizing hormone, sex hormone binding globulin, and cortisol (C), and free T was calculated (cFT). The DAA supplement did not significantly affect serum T, cFT, and luteinizing hormone levels. Only a main effect of time on sex hormone binding globulin (6.8% increase) and C (13.6% decrease) emerged (p < .03). Significant negative associations were identified between pretest values and changes (%) in T, cFT, luteinizing hormone, and C levels with DAA and/or placebo, but these relationships did not differ between treatments (p > .46). Additional measures of physical function and serum hematology also failed to respond to DAA. In summary, a daily dose of DAA during a short training period did not influence T and selected indicators of the HPG-axis in male climbers. Other parameters linked to athletic performance and health status were also unaffected. Our findings support evidence showing that DAA (including DAA-blended supplements) at either recommended or higher dosages does not afford any ergogenic benefits for athletic males.
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22
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Sarma MS, Kuo PX, Bechayda SA, Kuzawa CW, Gettler LT. Exploring the links between early life and young adulthood social experiences and men's later life psychobiology as fathers. Physiol Behav 2018; 193:82-89. [DOI: 10.1016/j.physbeh.2017.11.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 11/27/2017] [Accepted: 11/28/2017] [Indexed: 01/28/2023]
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23
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Childhood ecology influences salivary testosterone, pubertal age and stature of Bangladeshi UK migrant men. Nat Ecol Evol 2018; 2:1146-1154. [DOI: 10.1038/s41559-018-0567-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 05/01/2018] [Indexed: 02/07/2023]
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24
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Testosterone is Associated with Perceived Constraint in Early Fatherhood. ADAPTIVE HUMAN BEHAVIOR AND PHYSIOLOGY 2017. [DOI: 10.1007/s40750-017-0077-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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25
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Gray PB, McHale TS, Carré JM. A review of human male field studies of hormones and behavioral reproductive effort. Horm Behav 2017; 91:52-67. [PMID: 27449532 DOI: 10.1016/j.yhbeh.2016.07.004] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Revised: 05/12/2016] [Accepted: 07/17/2016] [Indexed: 02/06/2023]
Abstract
The purpose of this paper is to review field studies of human male hormones and reproductive behavior. We first discuss life history theory and related conceptual considerations. As illustrations, distinctive features of human male life histories such as coalitional aggression, long-term partnering and paternal care are noted, along with their relevance to overall reproductive effort and developmental plasticity. We address broad questions about what constitutes a human male field study of hormones and behavior, including the kinds of hormone and behavioral measures employed in existing studies. Turning to several sections of empirical review, we present and discuss evidence for links between prenatal and juvenile androgens and sexual attraction and aggression. This includes the proposal that adrenal androgens-DHEA and androstenedione-may play functional roles during juvenility as part of a life-stage specific system. We next review studies of adult male testosterone responses to competition, with these studies emphasizing men's involvement in individual and team sports. These studies show that men's testosterone responses differ with respect to variables such as playing home/away, winning/losing, and motivation. Field studies of human male hormones and sexual behavior also focus on testosterone, showing some evidence of patterned changes in men's testosterone to sexual activity. Moreover, life stage-specific changes in male androgens may structure age-related differences in sexual behavior, including decreases in sexual behavior with senescence. We overview the considerable body of research on male testosterone, partnerships and paternal care, noting the variation in social context and refinements in research design. A few field studies provide insight into relationships between partnering and paternal behavior and prolactin, oxytocin, and vasopressin. In the third section of the review, we discuss patterns, limitations and directions for future research. This includes discussion of conceptual and methodological issues future research might consider as well as opportunities for contributions in under-researched male life stages (juvenility, senescence) and hormones (e.g., vasopressin).
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Affiliation(s)
- Peter B Gray
- Department of Anthropology, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Box 455003, Las Vegas, NV 89154-5003, United States.
| | - Timothy S McHale
- Department of Anthropology, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Box 455003, Las Vegas, NV 89154-5003, United States
| | - Justin M Carré
- Department of Psychology, Nipissing University, 100 College Drive, North Bay, Ontario P1B 8L7, Canada
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Georgiev AV, Ryan CP, Gettler LT, McDade TW, Kuzawa CW. Second‐to‐fourth digit ratio (2D:4D) is unrelated to measures of somatic reproductive effort among young men from Cebu, the Philippines. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2017; 163:437-445. [DOI: 10.1002/ajpa.23215] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 02/24/2017] [Accepted: 03/10/2017] [Indexed: 12/18/2022]
Affiliation(s)
| | - Calen P. Ryan
- Department of AnthropologyNorthwestern UniversityEvanston Illinois
| | - Lee T. Gettler
- Department of AnthropologyUniversity of Notre DameNotre Dame Indiana
- The Eck Institute for Global HealthUniversity of Notre DameNotre Dame Indiana
| | - Thomas W. McDade
- Department of AnthropologyNorthwestern UniversityEvanston Illinois
- Institute for Policy ResearchNorthwestern UniversityEvanston Illinois
| | - Christopher W. Kuzawa
- Department of AnthropologyNorthwestern UniversityEvanston Illinois
- Institute for Policy ResearchNorthwestern UniversityEvanston Illinois
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27
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Ryan CP, Georgiev AV, McDade TW, Gettler LT, Eisenberg DTA, Rzhetskaya M, Agustin SS, Hayes MG, Kuzawa CW. Androgen receptor polyglutamine repeat length (AR‐CAGn) modulates the effect of testosterone on androgen‐associated somatic traits in Filipino young adult men. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2017; 163:317-327. [DOI: 10.1002/ajpa.23208] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 02/16/2017] [Accepted: 02/25/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Calen P. Ryan
- Department of AnthropologyNorthwestern UniversityEvanston Illinois
| | | | - Thomas W. McDade
- Department of AnthropologyNorthwestern UniversityEvanston Illinois
- Institute for Policy ResearchNorthwestern UniversityEvanston Illinois
| | - Lee T. Gettler
- Department of AnthropologyUniversity of Notre DameNotre Dame Indiana
- The Eck Institute for Global HealthUniversity of Notre DameNotre Dame Indiana
| | - Dan T. A. Eisenberg
- Department of AnthropologyUniversity of WashingtonSeattle Washington
- Center for Studies in Demography and EcologyUniversity of WashingtonSeattle Washington
| | - Margarita Rzhetskaya
- Division of EndocrinologyMetabolism, and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of MedicineChicago Illinois
| | - Sonny S. Agustin
- USC‐Office of Population Studies FoundationUniversity of San CarlosCebu City Philippines
| | - M. Geoffrey Hayes
- Department of AnthropologyNorthwestern UniversityEvanston Illinois
- Division of EndocrinologyMetabolism, and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of MedicineChicago Illinois
- Center for Genetic MedicineNorthwestern University Feinberg School of MedicineChicago Illinois
| | - Christopher W. Kuzawa
- Department of AnthropologyNorthwestern UniversityEvanston Illinois
- Institute for Policy ResearchNorthwestern UniversityEvanston Illinois
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