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Menstrual in Biological News

Menstrual blood -- a valuable source of multipotential stem cells?

... easily collectable, and inexpensive source menstrual blood. Stromal stem cells - cells that are ... of tissue and blood vessels is shed during each menstrual cycle, some cells with regenerative capabilities are present and collectable. While collecting menstrual blood stromal cells (MenSCs) directly from tissue ...

NHLBI issues first US von Willebrand Disease clinical practice guidelines

... a cut or after surgery, and heavy or extended menstrual bleeding in women. The guidelines provide ... during their first year of life. Since heavy menstrual bleeding is the most common symptom of VWD in ... of clots (antifibrinolytics) or to control heavy menstrual bleeding in women (oral contraceptives). ...

Study finds genetic links to age of first menstrual period and menopause

... variants associated with the age at which females experience their first menstrual period and the onset of menopause may help shed light on the prevention of ... in two chromosomal regions associated with age at menarche (the first menstrual period), and 13 genetic variants in four chromosomal regions associated ...

Women with endometriosis need special care during pregnancy to avoid risk of premature birth

... of anti-inflammatory cytokines, signalling molecules used in communication between cells. Symptoms of endometriosis include severe pelvic pain, heavy menstrual periods, and nausea. In addition to an increased risk of preterm birth, the researchers also found other differences in the pregnancies of women ...

Ovarian transplantation: New technique gives greatly improved results in this delicate operation

... patients regained a normal ovarian cycle within four to five months after the transplant. There was no difference in terms of pregnancy or ovulatory menstrual cycling between fresh and frozen grafts. The scientists used the cortical grafting technique, where very thin slices of tissue are transplanted. This ...

NIH funds research center for women's reproductive health at Einstein

... in the country and the only one in New York State, the new center will focus on a wide range of diseases of the female reproductive tract, including menstrual disorders, endometriosis, and infertility. "The grant will allow us to launch new studies of reproductive biology and to position Einstein as the ...

Protein that regulates hormones critical to women's health found in pituitary

... out of the nerve terminal." This ability to modulate hormone release may have important implications for pregnancy, birth, lactation and the menstrual cycle, all of which are linked to fluctuations in oxytocin levels. "Any change in the body that entails releasing more or less of this hormone ...

Is that song sexy or just so-so?

... may be operating in humans," Maney says. "In women, preferences for male faces, voices, body odors and behavior change over the course of the menstrual cycle as estrogen levels rise and fall. Our work with these songbirds shows a possible neural basis for those changes." ...

American Chemical Society's Weekly PressPac -- Sept. 10, 2008

... also known as manzanilla, has been used for years as a medicinal cure-all to treat a variety of medical problems including stress, colds, and menstrual cramps. Scientists recently proposed that the herbal tea might also be beneficial for fighting diabetes, but the theory hasn't been scientifically ...

Quest for better treatment for effects of menopause

... the body gradually stops producing eggs and female sex hormones (amongst these being oestrogen and progesterone), responsible for regulating the menstrual cycle. Lack of oestrogens increases the risk of very important diseases with respect to premenopause, amongst these being osteoporosis and illnesses ...

Pregnancy is possible after cancer treatment

... it. The patient was then given the recommended cancer treatment. She tolerated this well and has not suffered any relapse. On the other hand, her menstrual periods had stopped, in spite of hormone treatment, for two years. For this reason, the patient's conserved ovarian material was inserted ...

New study finds uncontrollable stress worsens symptoms of endometriosis

... in the area of the ovaries and fallopian tubes, but can also affect the intestinal tract. The condition results in chronic pelvic pain, painful menstrual periods and pain during intercourse. Many patients report suffering from high levels of stress due to the impact that painful symptoms have on ...

Where college students live can impact their weight, eating and exercise habits

... in the area of the ovaries and fallopian tubes, but can also affect the intestinal tract. The condition results in chronic pelvic pain, painful menstrual periods and pain during intercourse. Many patients report suffering from high levels of stress due to the impact that painful symptoms have on ...

Continuous oral contraceptives better at easing pain, bleeding

... and gynecology, Penn State College of Medicine and lead author of the study. Standard 28-day birth control pills mimic a woman's natural menstrual cycle, while preventing pregnancy. A standard dose includes 21 hormone pills to suppress growth in the endometrium, the lining of the uterus, and ...

Sex differences in the brain's serotonin system

... premenstrual mental symptoms. These results suggest that the serotonin system in such women does not respond as flexibly to the hormone swings of the menstrual cycle as that in symptom-free women. These findings indicate that when developing antidepressants and anti-anxiety drugs, scientists should ...

Researchers find evidence linking stress caused by the Sept. 11 disaster with low birth weights

... which limited a more detailed investigation. In addition, the researchers were hampered by unreliable data on gestational age, based on last reported menstrual period, and the lack of medical reasons for LBW. I think that the measures of gestational age on birth certificates are often not accurate, and the ...

Mixing large doses of both acetaminophen painkiller and caffeine may increase risk of liver damage

... but also from using large amounts of medications that intentionally combine caffeine and acetaminophen for the treatment of migraine headaches, menstrual discomfort and other conditions, the researchers say. Health experts have warned for years that consuming excess alcohol while taking ...

The influence of the menstrual cycle on the female brain

... cocaine is greater in the follicular phase of the menstrual cycle4 than in the luteal phase5.Moreover, ... 4. Follicular phase: the first part of the menstrual cycle starting from the first day of the period. 5 Luteal phase: the second pat of the menstrual cycle that begins after ovulation and ends on the ...

Potential heart benefit found in stem cells

... feasibility of this treatment method." Human menstrual Blood Derived Stem Cell Has a High Cardiomyogenic ... School of Medicine in Japan, new sources from menstrual blood-derived endometrial cells and umbilical ... In the first study, the team collected menstrual blood from six women to obtain a sample of ...

BRCA1 causes ovarian cancer through indirect, biochemical route

... with ovulation, in that women who have regular menstrual cycles through their life without interruption by ... we had some clues that the cells that control the menstrual cycle-the ovarian granulosa cells-have an ... this says is that the cells that control the menstrual cycle, the ovarian granulosa cells, also control ...

Brain's reward circuit activity ebbs and flows with a woman's hormonal cycle

... Fluctuations in sex hormone levels during women's menstrual cycles affect the responsiveness of their brains' reward circuitry, an ... were winning rewards, their circuitry was more active if they were in a menstrual phase preceding ovulation and dominated by estrogen, compared to a phase ...

Focused ultrasound relieves fibroid symptoms in women

... at least 25 percent of women in the United States age 25 to 50 suffer from symptomatic uterine fibroids. Fibroid symptoms can include excessive menstrual bleeding, enlarged uterine size, frequent urination, pelvic pressure or pain and infertility. According to the National Women’s Health ...

UCSF study will test new vaginal microbicide for herpes and HIV

... old, sexually active, healthy and free of any sexually transmitted disease. They cannot be pregnant or breast feeding. They must either have regular menstrual periods or not have them at all. Moscicki said that the safety trial is important because earlier spermicidal microbicides like nonoxynol 9, ...

Pleasure and pain: Study shows brain's 'pleasure chemical' is involved in response to pain too

... illness, nor of drug addiction or dependence. The 7 female volunteers were not taking birth control pills and were scanned at the same point in their menstrual cycles. In addition to the differences in dopamine receptor activation in certain areas of the brain across all the participants, the scans ...

Component in soy products causes reproductive problems in laboratory mice

... January issue of Biology of Reproduction. The NIEHS researchers previously showed that mice given genistein immediately after birth had irregular menstrual cycles, problems with ovulation, and problems with fertility as they reached adulthood. The new study looks at the direct effects of genistein on the ...

Clues to breast cancer hidden inside stem cells

... fully differentiated, and once this stage is over, it involutes. This cycle of proliferation, differentiation and apoptosis also happens in every menstrual cycle and in a more dramatic form during pregnancy. "This caught our attention, and has driven our research," Sigurdsson pointed out. Breast ...

The brain is broadly wired for reproduction

... known as luteinizing hormone releasing hormone (LHRH). These neurons regulate sexual physiology -- including onset of puberty, ovulation, and the menstrual cycle in females and testosterone production in males -- by regulating the release of hormones from the pituitary gland. Interestingly, GnRH neurons ...

Olfactory system detects pheromones that control reproduction

... in humans that suggest we react to pheromones," she said. "For example, it is known that women who live in close quarters tend to have synchronized menstrual cycles. But it was also believed that humans would need a functional vomeronasal organ in order to sense pheromones -- and there is no evidence for ...

New study examines how sense of smell affects mating and aggression in mice

... studies in humans that suggest pheromone-type signals might have subtle effects on the regulation of certain physiological functions, such as the menstrual cycle." Stimulation of the other senses also has a direct effect on behavior, he adds. "When you touch a hot pan, you immediately draw your hand ...

Vaginal gel may provide a new approach to HIV prevention

... To test the microbicides, the Tulane team first gave the monkeys a long-acting hormonal form of birth control (Depo-Provera) to synchronize their menstrual cycles and thin the vaginal membrane, which increases susceptibility to virus infection, Veazey says. During testing, researchers placed the ...

Menopause Symptoms May Come Back After Stopping Menopausal Hormone Therapy

... extract was found to have no effect, while a beneficial response from chaste tree berry extracts was found in about half the women studied. For menstrual pain, two clinical trials have examined the Japanese herbal preparations toki-shakuyakusan and toki-shakuyakusan with shakuyaku-kanzoto; neither ...

Women cautioned against using herbal supplements

... extract was found to have no effect, while a beneficial response from chaste tree berry extracts was found in about half the women studied. For menstrual pain, two clinical trials have examined the Japanese herbal preparations toki-shakuyakusan and toki-shakuyakusan with shakuyaku-kanzoto; neither ...

First frozen egg baby born in Canada

... abnormalities, such as Down's syndrome, are also higher in babies produced by older women. Finally, current egg donor programs require matching the menstrual cycle of egg recipients; this problem can be eliminated with egg freezing. ...

Breast-Cancer Risk Linked to Exposure to Traffic Emissions at Menarche, First Birth

... had lived at different times in their lives. Researchers were interested particularly in information related to four time periods: menarche (first menstrual period), first birth, 20 years prior to the interview and 10 years prior. Several information sources provided data on traffic volumes on roads in ...
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(Date:4/23/2014)... (Apr. 23, 2014) People who have had a ... restore neurological function. However, a study conducted in Taiwan, ... Cell Transplantation , but is currently freely available ... , has found that when one group of stroke ... injected directly into the brain and a similar group ...
(Date:4/23/2014)... energy landscape in the U.S., but in some ... energy industry, residents and agricultural interests over already-scarce ... water quality is a potential risk unless there ... the ACS journal Environmental Science & Technology ... out that a major criticism of extracting shale ...
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(Date:4/23/2014)... researcher from the Cancer Science Institute of Singapore (CSI ... the cancer specific stem cell which causes gastric cancer. ... drugs for the treatment of this disease and other ... Dr Chan Shing Leng, Research Assistant Professor at CSI ... variant of a cell surface protein, CD44v8-10, marks gastric ...
(Date:4/23/2014)... prevent the depletion of self-control, according to research published ... Association for Psychological Science. , Self-control can be difficult ... attention on a boring textbook are hard things to ... difficulty: Exerting self-control for a long period seems to ... tasks. , "It is as if self-control is a ...
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