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Paternal Finasteride Treatment Can Influence the Testicular Transcriptome Profile of Male Offspring-Preliminary Study.

ABSTRACT: (1) Background: Hormone-dependent events that occur throughout spermatogenesis during postnatal testis maturation are significant for adult male fertility. Any disturbances in the T/DHT ratio in male progeny born from females fertilized by finasteride-treated male rats (F0:Fin) can result in the impairment of testicular physiology. The goal of this work was to profile the testicular transcriptome in the male filial generation (F1:Fin) from paternal F0:Fin rats. (2) Methods: The subject material for the study were testis from immature and mature male rats born from females fertilized by finasteride-treated rats. Testicular tissues from the offspring were used in microarray analyses. (3) Results: The top 10 genes having the highest and lowest fold change values were mainly those that encoded odoriferous (Olfr: 31, 331, 365, 633, 774, 814, 890, 935, 1109, 1112, 1173, 1251, 1259, 1253, 1383) and vomeronasal (Vmn1r: 50, 103, 210, 211; Vmn2r: 3, 23, 99) receptors and RIKEN cDNA 5430402E10, also known as odorant-binding protein. (4) Conclusions: Finasteride treatment of male adult rats may cause changes in the testicular transcriptome of their male offspring, leading to a defective function of spermatozoa in response to odorant-like signals, which are recently more and more often noticed as significant players in male fertility.

SUBMITTER: Kolasa A

PROVIDER: S-EPMC8929076 | biostudies-literature | 2021 Jul

REPOSITORIES: biostudies-literature

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Paternal Finasteride Treatment Can Influence the Testicular Transcriptome Profile of Male Offspring-Preliminary Study.

Kolasa Agnieszka A Rogińska Dorota D Rzeszotek Sylwia S Machaliński Bogusław B Wiszniewska Barbara B

Current issues in molecular biology 20210731 2

(1) Background: Hormone-dependent events that occur throughout spermatogenesis during postnatal testis maturation are significant for adult male fertility. Any disturbances in the T/DHT ratio in male progeny born from females fertilized by finasteride-treated male rats (F0:Fin) can result in the impairment of testicular physiology. The goal of this work was to profile the testicular transcriptome in the male filial generation (F1:Fin) from paternal F0:Fin rats. (2) Methods: The subject material ...[more]

PMID: 34449557

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Project description:BackgroundObesity is a heterogeneous phenotype and risk associations to non-communicable diseases such as cardiovascular disease and type 2 diabetes are influenced by several factors. The paternal metabolic status at the time of conception influences offspring susceptibility to developing obesity and adiposity-associated cardiometabolic disease. Cholestatic liver diseases are characterized by raised circulating serum bile acid levels and dyslipidemia, and are commonly treated with ursodeoxycholic acid (UDCA). We hypothesized that paternal cholestasis alters offspring susceptibility to developing obesity and adiposity-associated cardiometabolic disease and that this may be modified by paternal UDCA treatment.MethodsCholestasis was induced in male C57BL/6 mice with a 0.5% cholic acid (CA)-supplemented diet for 10 weeks prior to mating with normal chow (NC)-fed females. Offspring of cholestatic and NC-fed fathers were fed either a NC diet or challenged with an obesogenic 'western diet' (WD) from 12 weeks of age. Offspring body weight and cardiometabolic function were assessed, and the impact of treatment of paternal cholestasis with UDCA was evaluated.ResultsMale offspring (18 weeks old) of cholestatic fathers challenged with WD had raised fasting insulin, hepatic triglyceride content and serum cholesterol levels compared to diet-matched controls. At 25-29 weeks of age, WD-fed male offspring of cholestatic fathers had higher systolic and diastolic blood pressure than controls and this was prevented by paternal UDCA treatment. In contrast, WD-challenged female offspring of cholestatic fathers showed improved glucose tolerance compared to controls.ConclusionsWe demonstrated in our model of paternal cholestasis that offspring susceptibility to adiposity-associated cardiometabolic disease is affected in a sex-specific manner and paternal UDCA treatment had a protective effect against hypertension in the obese male offspring. The most prevalent human cholestatic conditions are primary sclerosing cholangitis and primary biliary cholangitis. These findings are of clinical relevance to children of men with these conditions.

Project description:It has been previously established that paternal development of a strong incentive motivation for cocaine can predispose offspring to develop high cocaine-seeking behavior, as opposed to sole exposure to the drug that results in drug resistance in offspring. However, the adaptive changes of the reward circuitry have not been fully elucidated. To infer the key nuclei and possible hub genes that determine susceptibility to addiction in offspring, rats were randomly assigned to three groups, cocaine self-administration (CSA), yoked administration (Yoke), and saline self-administration (SSA), and used to generate F1. We conducted a comprehensive transcriptomic analysis of the male F1 offspring across seven relevant brain regions, both under drug-naïve conditions and after cocaine self-administration. Pairwise differentially expressed gene analysis revealed that the orbitofrontal cortex (OFC) exhibited more pronounced transcriptomic changes in response to cocaine exposure, while the dorsal hippocampus (dHip), dorsal striatum (dStr), and ventral tegmental area (VTA) exhibited changes that were more closely associated with the paternal voluntary cocaine-seeking behavior. Consistently, these nuclei showed decreased dopamine levels, elevated neuronal activation, and elevated between-nuclei correlations, indicating dopamine-centered rewiring of the midbrain circuit in the CSA offspring. To determine if possible regulatory cascades exist that drive the expression changes, we constructed co-expression networks induced by paternal drug addiction and identified three key clusters, primarily driven by transcriptional factors such as MYT1L, POU3F4, and NEUROD6, leading to changes of genes regulating axonogenesis, synapse organization, and membrane potential, respectively. Collectively, our data highlight vulnerable neurocircuitry and novel regulatory candidates with therapeutic potential for disrupting the transgenerational inheritance of vulnerability to cocaine addiction.

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Paternal Finasteride Treatment Can Influence the Testicular Transcriptome Profile of Male Offspring-Preliminary Study.

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Paternal Finasteride Treatment Can Influence the Testicular Transcriptome Profile of Male Offspring-Preliminary Study.

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