Lab-grown ovaries prove promising in mice

(Reuters Health) - Artificial ovaries grown in a lab might someday be available for women with infertility due to cancer treatments or other conditions, a study in mice suggests.
Source: Reuters: Health - Category: Consumer Health News Tags: healthNews Source Type: news

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Overall risk higher for developing cancer; increased risks seen for uterine, ovarian, lung, thyroid cancers
Source: The Doctors Lounge - Oncology - Category: Cancer & Oncology Tags: Family Medicine, Gynecology, Oncology, Journal, Source Type: news
ConclusionsWhile awaiting replication of this study in larger populations, these findings challenge the presumed dominant importance of genetic parenthood. This raises questions about whether donor gametes could be presented as a worthy alternative earlier in treatment trajectories and whether investments in novel treatments enabling genetic parenthood, like in vitro gametogenesis, are proportional to their future clinical impact.
Source: Reproductive BioMedicine Online - Category: Reproduction Medicine Source Type: research
Muffin tops, man boobs, and bagel bumps: These are among the varied and perverse ways that the hormonal distortions inflicted on unwitting humans who consume the seeds of grasses, i.e., grains, show themselves. In our modern world filled with thousands of processed foods, there are plenty of landmines for health. Gummy bears and gumdrops will rot teeth, for instance. Indulge in a handful of dried prunes and you’ll have to schedule a substantial portion of your day on the toilet due to bowel irritants. But only wheat and grains are associated with a wide swath of health problems that range from autoimmune disease to m...
Source: Wheat Belly Blog - Category: Cardiology Authors: Tags: News & Updates grain-free gynecomastia man boobs man breasts testosterone undoctored wheat belly Source Type: blogs
Abstract The anti-cancer drugs, particularly those used in reproductive period, may cause several complications such as ovarian insufficiency and infertility. The mechanism of action of cisplatin toxicity on the ovaries is not fully described. However, further production of free oxygen radicals and reduced production of antioxidants are thought to have an effect on the occurrence of cisplatin toxicity. The aim of this study was to investigate the effects of lycopene on cisplatin-induced ovary-damage, oxidative stres and histological changes in rats. Albino Wistar female rats were randomly divided into three groups...
Source: General Physiology and Biophysics - Category: Physiology Authors: Tags: Gen Physiol Biophys Source Type: research
Abstract The combination of doxorubicin and cyclophosphamide commonly used to treat breast cancer can cause premature ovarian failure and infertility. α-Tocopherol is a potent antioxidant whereas γ-tocopherol causes apoptosis in a variety of cancer models in vitro including breast cancer. We hypothesised that the combination of doxorubicin (Dox) and 4-hydroperoxycyclophosphamide (4-Cyc) would be more cytotoxic in vitro than each agent alone, and that α-tocopherol would reduce and γ-tocopherol would augment the cytotoxicity of the combined chemotherapeutics. Human MCF-7 breast cancer and KGN...
Source: Biomed Res - Category: Research Authors: Tags: Biomed Res Int Source Type: research
Abstract The ovarian steroid hormones, estrogen (E2) and progesterone (P4), are essential regulators of uterine biology. The imbalance of these ovarian steroid hormones leads to uterine diseases such as endometrial cancer, endometriosis, and infertility. Mitogen-inducible gene 6 (MIG-6) is an adaptor protein. MIG-6 mediates P4 signaling and acts as a tumor suppressor during endometrial tumorigenesis in both humans and mice. In previous studies, we developed the conditional knockout of Mig-6 in all uterine compartments (Pgrcre/+Mig-6f/f; Mig-6KO) and endometrial epithelial cell-specific Mig-6 knockout (Sprr2fcre/+M...
Source: Biochemical and Biophysical Research communications - Category: Biochemistry Authors: Tags: Biochem Biophys Res Commun Source Type: research
Abstract Chemotherapy-induced ovarian aging not only increases the risk for early menopause-related complications but also results in infertility in young female cancer survivors. Oogonial stem cells have the ability to generate new oocytes and thus provide new opportunities for treating ovarian aging and female infertility. Resveratrol (3,5,4'-trihydroxy-trans-stilbene) is a natural phenol derived from plants, that has been shown to have positive effects on longevity and redox flow in lipid metabolism and a preventive function against certain tumors. To evaluate whether resveratrol could promote the repair of oog...
Source: Aging - Category: Biomedical Science Authors: Tags: Aging (Albany NY) Source Type: research
Anastasiu Endometriosis represents a severe gynecological pathology, defined by implantation of endometrial glands and stroma outside the uterine cavity. This pathology affects almost 15% of women during reproductive age and has a wide range of consequences. In affected women, infertility has a 30% rate of prevalence and endometriosis implants increase the risk of ovarian cancer. Despite long periods of studies and investigations, the etiology and pathogenesis of this disease still remain not fully understood. Initially, endometriosis was related to retrograde menstruation, but new theories have been launched, sugge...
Source: Molecules - Category: Chemistry Authors: Tags: Review Source Type: research
Abstract There are several DNA helicases involved in seemingly overlapping aspects of homologous and homoeologous recombination. Mutations of many of these helicases are directly implicated in genetic diseases including cancer, rapid aging, and infertility. MCM8/9 are recent additions to the catalog of helicases involved in recombination, and so far, the evidence is sparse, making assignment of function difficult. Mutations in MCM8/9 correlate principally with primary ovarian failure/insufficiency (POF/POI) and infertility indicating a meiotic defect. However, they also act when replication forks collapse/break sh...
Source: DNA Repair - Category: Genetics & Stem Cells Authors: Tags: DNA Repair (Amst) Source Type: research
Cancer treatment — and cancer itself — can threaten fertility. This is a tremendously important survivorship issue for many people. As an oncologist, I’m often asked questions about preserving fertility during cancer treatment. If this issue affects you, here is an overview of key options. When should you talk to your cancer team about fertility? Future children may not be foremost on your mind when you are diagnosed with cancer. Soon afterward, though, it’s worth talking to your doctor about fertility issues, if this is important to you now or might one day become important. Your doctor can explain...
Source: Harvard Health Blog - Category: Consumer Health News Authors: Tags: Cancer Fertility Infertility Source Type: blogs
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