This article provides an overview of conditions that can cause hair loss in dogs and cats and offers guidance on diagnostic approaches, but it presents no new research findings.
April 2017 in “Journal of Pharmaceutical Investigation” In this study, the administration of indole-based compounds, particularly L-Tryptophan and Tryptophol, to a PCOS-induced rat model resulted in an increased number of healthy ovarian follicles and a reduction in ovarian cysts compared to untreated rats, suggesting potential therapeutic efficacy.
This chapter reviews pharmacodynamic evaluations in endocrine disorders focusing on oral antidiabetics, insulin analogues, and hormone interactions, but reports no new results.
August 2015 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia/Arquivo brasileiro de medicina veterinária e zootecnia” This study found that maternal caffeine intake during gestation and lactation can lead to skin lesions like hypotrichosis and alopecia in both mother and offspring rats, irrespective of maternal cortisol levels.
October 2010 in “Epilepsy Currents” This study found that inhibitory neurosteroids synthesized within glial cells can reduce seizure frequency in epileptic animals by enhancing inhibitory transmission via γ-aminobutyric acid receptors.
November 2020 in “Psychoneuroendocrinology” In this study, repeated finasteride administration was associated with decreased social interaction and cognitive deficits in male rats, potentially linked to changes in cholinergic system activity.
284 citations
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February 2008 in “Pediatrics” This review discusses the potential impact of endocrine-disrupting chemicals and body size on pubertal onset and progression, highlighting critical gaps and priorities for future research without presenting new clinical results.
67 citations
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December 2019 in “PloS one” This study found that beta-caryophyllene enhanced re-epithelialization in cutaneous wounds of female mice, suggesting its potential for improving wound healing through multiple pathways.
14 citations
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February 2018 in “Psychoneuroendocrinology” This study found that male 5α-reductase 2 knockout mice showed deficits in social dominance behaviors and reduced dopamine receptor binding in a brain region related to social ranking.
14 citations
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October 2016 in “Psychoneuroendocrinology” This study identified significant changes in the expression of nine proteins in the nucleus accumbens of rats treated with finasteride, suggesting potential novel targets for its neuropsychiatric effects.
3 citations
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April 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, beta-caryophyllene enhanced wound healing in female mice by improving re-epithelialization, cell proliferation, and cell migration, suggesting potential benefits of essential oil compounds in inflammation reduction.
1 citations
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February 2024 in “Pharmacognosy Journal” In this study, fenugreek seed extract showed significant androgenic and spermatogenic effects in male rats, likely through inhibiting testosterone metabolism, without impacting cardiovascular health.
1 citations
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October 2017 in “Elsevier eBooks” This review examines the effects of antiandrogens on female reproductive systems, particularly regarding environmental endocrine disruptors, and presents no new research findings.
November 2023 in “Research Square (Research Square)” This animal study found that finasteride, a 5-alpha reductase type 2 inhibitor, decreased dihydrotestosterone levels and c-Fos protein activation in the rat brain, but these effects may diminish after discontinuing the drug.
October 2023 in “Animal production science” This study investigated how vitamin A deficiency, certain diseases, and pregnancy affect cattle coat hair structure, finding notable keratin fibril interference under vitamin A deficiency and structural modifications in chronic renal failure, while pregnant cows exhibited superior hair tensile strength compared to non-pregnant ones.
123 citations
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May 2009 in “Journal of Neuroscience” In this study, researchers found that in late pregnancy, the neuroactive progesterone metabolite allopregnanolone inhibits HPA axis responses to immune challenges via an opioid-mediated mechanism.
104 citations
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January 2005 in “Climacteric” This review discusses the pharmacological properties of progestins used in contraception and hormone replacement therapy, focusing on drospirenone's unique effects, but reports no new experimental findings.
36 citations
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June 2001 in “Neuroscience Letters” This study found that finasteride increased fetal arousal activity in late gestation sheep by suppressing pregnane steroid synthesis, suggesting reduced GABAA receptor-mediated inhibition.
29 citations
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June 2004 in “Pharmacology, Biochemistry and Behavior” Finasteride reduces alcohol withdrawal effects, especially in female mice.
10 citations
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December 2019 in “in Vivo” This study found that administering testosterone to ovariectomized female rats decreased endometrial tight junction complexity and expression of specific proteins, potentially affecting embryo implantation.
9 citations
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January 2018 in “American Journal of Men's Health” This study analyzed self-reports from discussion forums to categorize and understand adverse effects experienced by individuals using finasteride, suggesting a need for further investigation into post-finasteride syndrome.
4 citations
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July 2022 in “Scientific reports” This study observed significant differences in hair and cashmere properties among three goat breeds in Southwest China, noting better quality cashmere in Inner Mongolia cashmere goats and their crossbreed compared to Dazu black goats.
February 2026 in “Scientific Reports” This preclinical study found that Mesenchymal Stem Cell-derived Conditioned Media formulations were safe and effective in rat and mouse models for treating chemotherapy- and radiation-induced oral mucositis, demonstrating improved tissue regeneration and healing, most notably at higher concentrations.
September 2025 in “Journal of Phytonanotechnology and Pharmaceutical Sciences” This comprehensive review reports on the therapeutic potential and bioactive components of licorice (Glycyrrhiza glabra Linn), highlighting its diverse pharmacological properties and health benefits but also noting associated toxicity and adverse effects in medicinal and food applications.
This chapter reviews the presence and roles of stem cells in various body systems, focusing on their lifelong function in animals and humans, and reports no new experimental findings.
143 citations
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August 1991 in “Endocrinology” This study found that blocking androgen receptors inhibits testicular descent in rats more effectively during the early stages of gubernacular outgrowth than inhibiting 5a-reductase.
72 citations
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January 2011 in “Current Pharmaceutical Design” This review discusses the potential role of steroid 5α-reductase inhibitors in treating neuropsychiatric disorders related to dopaminergic hyperreactivity but reports no new clinical results.
67 citations
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May 2018 in “Journal of Ginseng Research” This paper highlights the need for a comprehensive red ginseng monograph to provide standardized information on its components, certified functionality, efficacy, action mechanisms, and safety, especially given its widespread use as a health functional food in South Korea and interest in its benefits worldwide.
36 citations
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May 2021 in “Nutrients” This review summarizes current knowledge on the efficacy of natural molecule supplementation, such as inositols and omega-3 fatty acids, in managing PCOS symptoms but reports no new clinical results.
22 citations
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February 2010 in “The Veterinary clinics of North America. Small animal practice/Veterinary clinics of North America. Small animal practice” This article reviews the evidence regarding the role of sex hormones in occult hyperadrenocorticism and reports no new findings, highlighting the unproven nature of their involvement.