The role of vitamin D in female reproduction has been intensively examined over the last few decades. A large body of evidence suggests that vitamin D might have beneficial effects on metabolic/hormonal parameters of PCOS and endometriosis, while it appears to be associated with IVF outcomes. However, due to the heterogeneity among observational and interventional studies, no cause-effect relationship has yet been established. The aim of this review is to analyze recent in vitro animal and human studies which examined the association of vitamin D with disease entities affecting female fertility potential. Recent research data strongly imply that vitamin D is implicated in female reproduction and might represent a beneficial and inexpensive therapeutic approach, in combination with first-line medical treatments, to female infertility.
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http://dx.doi.org/10.14310/horm.2002.1715 | DOI Listing |
J Hum Reprod Sci
December 2024
Department of Reproductive Medicine, Gunasheela Surgical and Maternity Hospital, Bengaluru, Karnataka, India.
Background: Cancer treatments such as chemotherapy and radiotherapy often compromise fertility by damaging gonadal function, creating a critical need for fertility preservation options. Despite advancements in fertility preservation techniques, there is a significant lack of research focused on their application in Asian cancer patients and their utilisation remains underexplored in this population.
Aim: This study aims to evaluate the utilisation rates and outcomes of cryopreserved gametes in cancer patients who underwent fertility preservation before their cancer treatment.
Hum Reprod Open
December 2024
Vrije Universiteit Brussel (VUB), Brussels Health Campus/Faculty of Medicine and Pharmacy, Research Group Genetics, Reproduction and Development , Laarbeeklaan 103, 1090 Brussels, Belgium.
Study Question: Is there an association between different mitochondrial DNA (mtDNA) genotypes and female infertility or ovarian response, and is the appearance of variants in the oocytes favored by medically assisted reproduction (MAR) techniques?
Summary Answer: Ovarian response was negatively associated with global non-synonymous protein-coding homoplasmic variants but positively associated with haplogroup K; the number of oocytes retrieved in a cycle correlates with the number of heteroplasmic variants in the oocytes, principally with variants located in the hypervariable (HV) region and rRNA loci, as well as non-synonymous protein-coding variants.
What Is Known Already: Several genes have been shown to be positively associated with infertility, and there is growing concern that MAR may facilitate the transmission of these harmful variants to offspring, thereby passing on infertility. The potential role of mtDNA variants in these two perspectives remains poorly understood.
Integr Med (Encinitas)
December 2024
Senior Consultant Radiation Oncologist at Rajiv Gandhi Cancer Institute and Research Centre, New Delhi, India.
Environmental radiation is one of the key causes of the increased prevalence of infertility among couples. This type of radiation can be ionizing or non-ionizing. While ionizing radiation is known to cause sterility in both males and females, the role of low-energy non-ionizing radiation is still debated.
View Article and Find Full Text PDFJ Diabetes
January 2025
State Key Laboratory of Female Fertility Promotion, Department of Obstetrics and Gynecology, Clinical Stem Cell Research Center, Peking University Third Hospital, Beijing, China.
Pancreatic islet transplantation is a crucial treatment for managing type 1 diabetes (T1D) in clinical settings. However, the limited availability of human cadaveric islet donors and the need for ongoing administration of immunosuppressive agents post-transplantation hinder the widespread use of this treatment. Stem cell-derived islet organoids have emerged as an effective alternative to primary human islets.
View Article and Find Full Text PDFHum Vaccin Immunother
December 2025
Medical Department, Affiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing, China.
To analyze the coverage rate of adult herpes zoster (HZ) vaccine and the incidence of Adverse event following immunization (AEFI) in Jiangsu province, China. The vaccination information of HZ vaccine in people aged 50 years and above in Jiangsu province in 2023 and the AEFI information of HZ vaccine from 2020 to 2023 were collected through the Jiangsu Province vaccination management information system and China AEFI information management system, and the vaccination rate and AEFI incidence of HZ vaccine were analyzed. The overall vaccination rate among individuals aged 50 years and above was merely 0.
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