Oral contraceptives increase C-reactive protein, an infIammatory biomarker
...ons with higher doses. They also provide excellent cycle control, a low incidence of breakthrough bleeding and spotting, and increased patient satisfaction. On the other hand, the current generation progestins appear less safe than earlier formulations with respect to the risk of blood clotting. Moreover...New research tool allows perimenopausal women to assess their ovulation status
...osed of members from across the country noted that cycle patterns of women as they traverse the menopause a...haracteristics of a presumably ovulatory menstrual cycle that would appear to be most robust, and to incorporate them into a step-by-step process to assess o...Physics tip sheet #34 - April 1, 2003
...atments do not kill cancer cells but stop the cell cycle at specific checkpoints. This paper looks at the d...f very light elements) and 1.5% comes from the CNO cycle (carbon atoms causing nitrogen and oxygen atoms to enter fusion reactions). However, until now, ther...Getting a handle on sensitive cycles
...ed. New receptors arrive to take their place. This cycle is essential to the way estrogen functions. "It ta...oteasomes, estrogen receptors are immobilized. The cycle is broken: fresh receptors don't get onto DNA." Under normal circumstances, however, proteasomes ar...New species of earliest-known salamanders found in China
...f new information of the salamander's origin, life cycle and evolutionary strategies. We were able to see all the stages of the life cycle, larvae and adults, as well as a range of different kinds of animals, Shubin said. The exquisite condition of the fossils offers clues to evolutionary strategies -- lar...Humongous fungus a new kind of individual
...sing the forest fires that are part of the natural cycle of renewal. "But because this fungus is thousands of years old, and grew long before fire systems were influenced by man, we know this isn't the case," says Dr. Parks. "It also means that fire does not naturally control this disease." This means tha...Alcohol abuse may increase susceptibility to HIV infection
...te turnover (as assessed by expression of the cell cycle protein marker Ki67) in SIV-infected monkeys durin...ed and start dividing or proliferating. "The cell cycle marker Ki67 increases in cells that are proliferating," said Bagby, "so an increase in this protein ...Charles J. Sherr and Dennis J. Slamon awarded Landon-AACR Prizes for Cancer Research
...ged the way we view both the mechanics of the cell cycle and the genesis of cancer," said Robert N. Eisenman, Ph.D., and James Roberts, M.D., Ph.D., investigators with the Division of Basic Sciences at the Fred Hutchinson Cancer Research Center in Seattle, Washington. Added Dr. Sherr: "I was surprised and...Dartmouth Medical School geneticists discover new role for antisense RNA
...ircadaian clock that drives the 24-hour light-dark cycle of Neurospora, a model organism better known as br...he dark, levels of antisense frequency transcripts cycle with respect to the amount of sense frequency transcripts, and they are inducible by light, the rese...Birth control pill may provide relief for PMS
...ional symptoms associated with a woman's menstrual cycle were significantly reduced in women taking the com...ive affect also extended into the remainder of the cycle (except crying and loneliness). For patients who had switched to Yasmin from other oral contraceptiv...Can't stand the pain? Your genes may be to blame
...re all scanned during the phase of their menstrual cycle when their estrogen levels were lowest; Zubieta and his team have previously shown that estrogen affects the mu-opioid system's response. The study's findings surprised Zubieta and his co-authors from U-M and the National Institute of Alcohol and A...Pain and the brain: Sex, hormones & genetics affect brain's pain control system
...he women were studied at a time in their menstrual cycle when levels of estrogen and progesterone were lowest. This gender difference in pain response makes sense in light of what is already known about women and pain, says Zubieta, an associate professor of psychiatry and radiology at the U-M Medical Sch...The nucleus: Not just a bag of chromosomes
...ding cell division, says Wilson. While the general cycle is well understood -- chromosomes are copied and then pulled to opposite ends of the cell, and the cell splits in two -- the details are still fuzzy. For one, the chromosomes are inside the nucleus, but the machinery that pulls them to one side or th...Meeting the nitrogen management challenge: Arresting the nitrogen cascade
...nt of Science (AAAS) Annual Meeting. The nitrogen cycle is one of the most important processes in nature f... the goal of constructing a full economic nitrogen cycle is yet to be achieved, there has been progress. Creating a more accurate economic analysis will assi...Tribal warfare: Revenge, retaliation, deterrence
...he outside world, the Waorani engaged in a vicious cycle of revenge killings. The tribe's men responded to the death of a kin by attacking their enemies. The Wao language lacks a term for the concept of "revenge killing," simply referring to the act as wnganta [killed] or tnongantapa [speared], he said. If...First genetic response in animal species to global warming
...l squirrel can change the timing of a reproductive cycle from one year to the next compared to one generation to the next, which is what Boutin is studying. Only by having long-term lineages can we get at this research, he said. Although this discovery shows the red squirrel is adapting well to its warmer ...Fertility study shows increased estrogen shortens window of implantation in mice
... small biopsies of the uterus during the menstrual cycle and carefully looking at gene expression with changing estrogen and progesterone levels. That way, we might get some idea. Alternatively, similar studies in sub-human primates may provide more meaningful information that could be relevant to humans"....SRS research highlights from the Red-Cockaded Woodpecker Symposium
...abine National Forest in Texas are barriers to the cycle of burning needed to maintain RCW habitat. In a second presentation, Rudolph called for a short-term integrated strategy to address the deficiencies that exist in almost all currently available RCW habitats. Management techniques such as building art...Topical oxygen helps hard-to-heal wounds heal faster and better
... followed by a three-day rest period. This cycle was repeated for as long as the wound appeared to be healing. Participants were treated in the hospital, in their homes or in extended care facilities. Treatment duration ranged from 24 ...UC Riverside receives $1.25 million from W. M. Keck Foundation
...unication, signal transduction, cytoskeleton, cell cycle control, mechanisms of gene regulation, responses to environmental changes, and mechanisms of plant-pathogen interactions. UC Riverside traces its roots to 1907 and the opening of the Citrus Experiment Station at Riverside as a branch of the Statewid...