November 2025 in “Journal of Sleep Research” This study investigated individuals with androgenetic alopecia and found that serum iron and ferritin levels are associated with obstructive sleep apnea severity, suggesting the importance of considering iron profiles in managing the condition.
This study found that neurosteroids influence oxytocin secretion in sheep, particularly during stress and pregnancy, suggesting their role in protecting and maintaining pregnancy under harmful conditions.
March 2023 in “Seminars in reproductive medicine” This review discusses the link between polycystic ovary syndrome and sleep problems, primarily obstructive sleep apnea, and calls for more research on other sleep disturbances in affected women and adolescent girls.
December 2018 in “Journal of Patan Academy of Health Sciences” This study found that three-quarters of patients experienced hair loss following laparoscopic sleeve gastrectomy, with female gender, preoperative serum folic acid, and percent excess weight loss as significant risk factors.
January 2013 in “Journal of Practical Dermatology” This study found a strong correlation between hair loss conditions, particularly alopecia areata, and poor sleep quality and anxiety, particularly affecting younger populations and females.
May 1981 in “Inpharma (Balgowlah)” Medroxyprogesterone acetate improved sleep apnea symptoms in some obese patients.
This study found that finasteride use was significantly associated with the reporting of obstructive sleep apnea and insomnia compared to all other drugs in the FAERS database.
January 2020 in “Skinmed” This study found that finasteride use was significantly associated with reports of obstructive sleep apnea and insomnia compared to other drugs in the FAERS database.
35 citations
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November 2021 in “Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology” This study identified dynamic changes in DNA methylation associated with different growth stages in Tan sheep, which may offer insights to retain their valuable curly fleece as they age.
28 citations
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August 2019 in “BMC Genetics” This study identified a target relationship between miR-148a, miR-10a, and BMP7, suggesting these microRNAs influence dermal papilla cell proliferation and may regulate hair follicle growth.
16 citations
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March 2020 in “Animal Biotechnology” This research explored methods to obtain transgenic sheep embryos expressing synthetic spider silk genes in hair follicles using somatic cell nuclear transfer, with successful in-vitro development observed.
13 citations
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July 2018 in “Obesity surgery” This study found that 56% of patients experienced hair loss six months after undergoing laparoscopic sleeve gastrectomy, with lower preoperative and postoperative zinc and vitamin B12 levels associated with this outcome.
7 citations
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June 2017 in “Gene” This study found that ectopic expression of FGF5s in transgenic Chinese Merino sheep increased wool length and greasy fleece weight compared to non-transgenic controls.
4 citations
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January 2019 in “International journal of molecular sciences” This study suggests that β-catenin plays an important role in wool follicle development in transgenic sheep by enhancing the expression of keratin protein genes.
3 citations
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September 2024 in “Frontiers in Bioscience-Scholar” This study reported that Pantaneiro sheep from the Pantanal region of Brazil exhibit greater genetic variability and adaptability compared to the commercial Texel breed, highlighting their potential for further research and importance in Brazilian sheep farming.
1 citations
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February 2023 in “Journal of Natural Fibers” This study found that Magra sheep with high-luster wool exhibited significantly higher expression of keratin genes, suggesting that increased keratin protein levels may be crucial for wool luster.
This study found that postoperative excess weight loss and folic acid levels were independent factors influencing the severity of hair loss after laparoscopic sleeve gastrectomy in obese patients.
November 2025 in “International Journal of Surgery” This study identified changes in serum albumin and calcium levels one month after laparoscopic sleeve gastrectomy as independent factors linked to hair loss in patients with obesity, highlighting the importance of monitoring these nutritional indicators to reduce postoperative alopecia risk.
March 2024 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” In this study, supplementing ewes with soy hulls instead of a traditional corn-based supplement showed no impact on gastrointestinal nematode infection levels in hair sheep ewes managed in a pasture-based system, though some differences in packed cell volume at weaning were noted.
September 2023 in “Al-Azhar International Medical Journal /Al-Azhar International Medical Journal” This study aimed to assess the safety and effectiveness of laparoscopic sleeve gastrectomy in children and adolescents with obesity, noting the scarcity of data despite emerging evidence of favorable outcomes.
In this study, researchers successfully cloned the KAP24.1 gene from sheep to analyze its expression in skin and hair follicles, finding that Mountain-type Hetian sheep showed the highest levels of expression and that androgen concentration significantly influenced KAP24.1 protein expression.
January 2011 in “Zhongguo nongye Kexue” This study successfully established a transgenic sheep fibroblast cell line expressing the spider dragline silk protein gene, laying groundwork for developing transgenic sheep with this capability in hair follicles.
115 citations
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November 2015 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” This review discusses the impact of sleep cycles and circadian rhythms on nighttime exacerbation of atopic dermatitis in children and presents potential treatment options for related sleep disturbances, but reports no new clinical results.
10 citations
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August 2022 in “Journal of clinical sleep medicine” This study found that transgender or gender-nonconforming youth experience higher odds of sleep disorders compared to cisgender peers, but gender-affirming therapy may reduce these odds.
9 citations
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September 2019 in “Journal of clinical sleep medicine” This study reports a rare case where severe vitamin B12 deficiency was identified as the cause of excessive daytime sleepiness, which resolved after vitamin B12 replenishment.
6 citations
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January 2021 in “Journal of Cosmetic Dermatology” This article discusses the potential association between stress, poor sleep, and telogen effluvium during the COVID-19 pandemic, highlighting the possible role of substance P, but reports no new clinical results.
4 citations
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February 2022 in “The Journal of Urology” This study found that depression, anxiety, and sleep disturbance were associated with male lower urinary tract symptoms, but these factors did not predict improvement after evaluation and treatment over time.
3 citations
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January 2016 in “Respiratory Medicine Case Reports” This study suggests that the use of tamsulosin may worsen sleep-disordered breathing in some patients with obstructive sleep apnea being treated with CPAP.
2 citations
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August 2021 in “Journal of Turkish sleep medicine” In this study, researchers found that women with polycystic ovary syndrome were more likely to experience sleep disorders compared to healthy controls, suggesting a potential link between the syndrome and sleep issues.
1 citations
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January 2022 in “Wiadomości Lekarskie” In this study, GERD symptoms were found to be significantly related to acid exposure time and the intensity of excessive daytime sleepiness, which depends on circulating ghrelin levels.