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Dávila-Santacruz S, Corona-Quintanilla DL, Velázquez-Orozco V, Martínez-Gómez M, Castelán F, Cuevas-Romero E, Barrales-Fuentes B, Nicolás-Toledo L, Rodríguez-Antolín J. Sucrose consumption modifies the urethrogenital reflex and histological organization of the bulbospongiosus muscle in the male rat. Physiol Behav 2024; 273:114391. [PMID: 37907190 DOI: 10.1016/j.physbeh.2023.114391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 10/06/2023] [Accepted: 10/28/2023] [Indexed: 11/02/2023]
Abstract
Disorders of the bulbospongiosus muscle (Bsm) are associated with male sexual dysfunction, such as premature ejaculation. We determined the effect of sucrose-water consumption during pregnancy-lactation and postnatal on reflex responses and morphology of Bsm fibers in adult male Wistar rat offspring. Female rats were mated and grouped into consumed tap water mothers and sucrose-water (5 %) mothers during pregnancy-lactation to obtain experimental groups. Male pups were weaned and assigned into four groups (n = 12; each group). Those from control mothers who continued drinking tap water (CM-CO group) or sucrose water (CM-SO group), and those from sucrose mothers who drank tap water (SM-CO group) or continued drinking sucrose water (SM-SO group) until adult life. In male rat offspring (n = 6 per group) was recorded the electrical activity of Bsm was recorded during penile stimulation and urethrogenital reflex (UGR). Other male rat offspring were designated for histological analysis (n = 6 per group). Sucrose consumption during prenatal stages increased the frequency of the Bsm during UGR, while pre and postnatal consumption modified muscle fiber cross-sectional area and increased the collagen content, suggesting that a combination of a diet with pre- and postnatal sucrose changes the Bsm morphophysiology possibly causing male sexual dysfunctions.
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Affiliation(s)
| | | | - Verónica Velázquez-Orozco
- Doctorado en Ciencias Biológicas, Universidad Autónoma de Tlaxcala, Mexico; Licenciatura en Química Clínica, Facultad de Ciencias de la Salud, Universidad Autónoma de Tlaxcala
| | - Margarita Martínez-Gómez
- Centro Tlaxcala de Biología de la Conducta, Universidad Autónoma de Tlaxcala, Tlaxcala, 90070 Mexico; Instituto de Investigaciones Biomédicas, Departamento de Biología Celular y Fisiología, Universidad Nacional Autónoma de México, Tlaxcala, Mexico
| | - Francisco Castelán
- Centro Tlaxcala de Biología de la Conducta, Universidad Autónoma de Tlaxcala, Tlaxcala, 90070 Mexico; Instituto de Investigaciones Biomédicas, Departamento de Biología Celular y Fisiología, Universidad Nacional Autónoma de México, Tlaxcala, Mexico
| | - Estela Cuevas-Romero
- Centro Tlaxcala de Biología de la Conducta, Universidad Autónoma de Tlaxcala, Tlaxcala, 90070 Mexico
| | | | - Leticia Nicolás-Toledo
- Centro Tlaxcala de Biología de la Conducta, Universidad Autónoma de Tlaxcala, Tlaxcala, 90070 Mexico
| | - Jorge Rodríguez-Antolín
- Centro Tlaxcala de Biología de la Conducta, Universidad Autónoma de Tlaxcala, Tlaxcala, 90070 Mexico.
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Pires LAS, Babinski MSD, Fonseca Junior A, Manaia JHM, Babinski MA. Aging effects in the extracellular matrix of the clitoris: A scanning electron microscopic analysis. Morphologie 2023; 107:259-263. [PMID: 36707352 DOI: 10.1016/j.morpho.2023.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/30/2022] [Accepted: 01/09/2023] [Indexed: 01/26/2023]
Abstract
OBJECTIVE OF THE STUDY The present work aims to observe the clitoris' extracellular matrix in young and old women with a scanning electron microscope. MATERIALS AND METHODS After approval of the local research ethics committee, samples of the clitoris body were obtained from cadavers of women between 20 and 40 old (G1) and from cadavers over the age of 60 (G2). The samples were decellularized with NaOH to maintain the extracellular matrix framework, submitted to silver sputter coating, and observed under a scanning electron microscope. RESULTS The mean age of the cadavers in G1 was 28 years old and 75±6 years old in G2. The groups were composed of 10 cadavers each. It was observed that the collagen was arranged in a disorganized fashion in the samples from the G2 in several regions. There was also a decrease in elastic fibers that anchored the collagen in these samples. The concentration of collagen showed an increase in the older samples in comparison to the G1 samples. Conclusions Female sexual dysfunction is a condition prevalent in a significantly large portion of women and it is more common in elderly women. It is known that the tumescence mechanism requires integrity of the extracellular matrix. The changes observed herein may alter the function of the organ and are similar to observations in studies of men with erectile dysfunction. CONCLUSION Female sexual dysfunction is a condition prevalent in a significantly large portion of women and it is more common in elderly women. It is known that the tumescence mechanism requires integrity of the extracellular matrix. The changes observed herein may alter the function of the organ and are similar to observations in studies of men with erectile dysfunction. .
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Affiliation(s)
- Lucas Alves Sarmento Pires
- Experimental Morphology Laboratory, Morphology Department, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil; Medical Sciences Post Graduation Program, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil.
| | - Monique Silva Dias Babinski
- Experimental Morphology Laboratory, Morphology Department, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil; Medical Sciences Post Graduation Program, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Albino Fonseca Junior
- Experimental Morphology Laboratory, Morphology Department, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil; Medical Sciences Post Graduation Program, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Jorge Henrique Martins Manaia
- Experimental Morphology Laboratory, Morphology Department, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil; Medical Sciences Post Graduation Program, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Marcio Antonio Babinski
- Experimental Morphology Laboratory, Morphology Department, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil; Medical Sciences Post Graduation Program, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
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Sucrose exposure during gestation lactation and postweaning periods increases the pubococcygeus muscle reflex activity in adult male rats. Int J Impot Res 2021; 34:564-572. [PMID: 34035466 DOI: 10.1038/s41443-021-00450-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 04/28/2021] [Accepted: 05/10/2021] [Indexed: 11/09/2022]
Abstract
Erectile dysfunction is related to metabolic alterations produced by a high carbohydrate diet, which may affect muscle activity during penile reflex in adulthood. We determined whether sucrose water consumption during gestation lactation and postweaning affects pubococcygeus muscle (Pcm) activity during urethrogenital reflex in adult male rat offspring. Twelve female rats were mated and grouped in control mothers consumed tap water and sucrose mothers consumed sucrose water during gestation lactation. Male pups were weaned and assigned into four groups (n = 6 each): those from control mothers who continued drinking tap water (CM-CO group) or sucrose water (CM-SO group) until adult life, and those from sucrose mothers who drank tap water (SM-CO group) or continued drinking sucrose water (SM-SO group) until adult life. Body weight, Pcm activity during penile stimulation by bipolar electrodes and urethrogenital reflex were analyzed. A catheter was placed into the urethra to record variations in urethral pressure after mechanical stimulation. Two-way ANOVA followed by post hoc tests were used considering P ≤ 0.05 as a significant difference. Males from the SM-SO group showed weight gain compared to the control group (P < 0.001). Also, sucrose intake promoted high Pcm activity (P < 0.0001) but reduced urethrogenital reflex duration CM-CO vs CM-SO (P = 0.02); CM-CO vs SM-CO (P = 0.01); CM-SO vs SM-SO (P < 0.003); and SM-CO vs SM-SO (P < 0.002). Our results suggest that a combination of a sucrose-rich diet during gestation lactation and postweaning modifies Pcm activation during penile reflex. The urethrogenital reflex is a spinal ejaculatory-like reflex, these rats could have penile dysfunction equivalent to premature ejaculation in men.
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Fantus RJ, Halpern JA, Chang C, Keeter MK, Brannigan RE, Helfand BT, Bennett NE. The association of popular diets and erectile function among men in the United States. Int J Impot Res 2020; 33:548-555. [PMID: 32488209 DOI: 10.1038/s41443-020-0313-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/29/2020] [Accepted: 05/19/2020] [Indexed: 12/12/2022]
Abstract
To determine the relationship between popular diets and erectile function we queried the National Health and Nutrition Examination Survey, a cross-sectional dataset, between 2001 and 2004. All men aged 18-85 who answered the prostate and dietary questionnaires were included. Diets were categorized as Mediterranean, low-fat, low-carbohydrate, or nonrestrictive. Multivariable models were created to determine the relationship between erectile function and each diet. Among 4027 men, 649 (16.1%) met criteria for a low-fat diet, 1085 (26.9%) for a Mediterranean diet, and 0 (0%) for a low-carbohydrate diet. 1999 men (49.6%) had some degree of erectile dysfunction. Men with nonrestrictive diets were more likely to endorse normal erectile function compared with those adhering to the Mediterranean or low-fat diets (both p < 0.05) on univariable analysis. Multivariable analysis controlling for age, comorbidities, activity level, and body mass index showed no differences in erectile function among men adhering to a low-fat, Mediterranean diet, or nonrestrictive diet. There was no association between specific diets and erectile function. While additional prospective research is required to corroborate these findings, these data support the notion that individualized diets should be tailored toward goals of weight loss and reduction of comorbidity.
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Affiliation(s)
- Richard J Fantus
- Section of Urology, Department of Surgery, University of Chicago Medicine, Chicago, IL, USA.,Department of Surgery, NorthShore University Health System, Chicago, IL, USA
| | - Joshua A Halpern
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Cecilia Chang
- Department of Surgery, NorthShore University Health System, Chicago, IL, USA
| | - Mary Kate Keeter
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Robert E Brannigan
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Brian T Helfand
- Department of Surgery, NorthShore University Health System, Chicago, IL, USA
| | - Nelson E Bennett
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
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