A sensory organ, not the brain, differentiates male and female behavior in some mammals
...d testosterone levels, estrogen levels, and estrus cycles indistinguishable from those found in normal females. "It had previously been thought that entirely different neural circuits, modulated by these hormones, controlled sex-specific behavior," Dulac says. "Remarkably, our work suggests that neuronal ...New study demonstrates important role of glia in circadian timing
...ng of behavior or other processes to environmental cycles using an intrinsic time-keeping device called a circadian clock. While previous studies have suggested that glia may be required for normal circadian behavior, specific glial factors that are needed for this process had not been identified. Jackso...First case of successful ovarian tissue transplantation between two, nonidentical sisters
... ovarian function had been restored. Her menstrual cycles have continued ever since. A year after the transp...ed to develop, but this also happens during normal cycles of IVF. The patient is planning more IVF attempts in the future. He said that it was too early to ...CTRC enrolls first patients in novel phase II study for sarcoma -- living virus destroys cancer cell
...ve days. Patients may receive additional five-day cycles of therapy every four weeks for a maximum of eight cycles. Up to 52 patients will be enrolled in the study....Synthetic adhesive mimics sticking powers of gecko and mussel
...Nature paper, sticks through 1,000 contact/release cycles (like a gecko) and performs extremely well underwater, with high adhesion strength (like a mussel). The material performs similarly in dry environments. I was reading a research paper about the drop of adhesion in geckos when underwater, and it hit...Nature's secrets yield new adhesive material
...first but lose their ability to adhere after a few cycles of contact with a tipless cantilever. Using the cantilever and repeatedly touching it down, Lee developed a camera to visualize the process down to individual pillars. He found that the geckel hybrid maintained 85 percent of its adherence unde...News tips from the Journal of Neuroscience
...t cognitive performance. As expected, activityrest cycles in R6/2 mice became irregular with age, as did expression of the circadian proteins mPER1 and mPER2 in the suprachiasmatic nucleus (SCN). In slices, however, the electrophysiological and molecular clockwork of the SCN appeared intact in R6/2 mice, su...Better sleep may put Huntington's disease sufferers back on track
...circadian rhythms; their daily sleeping and waking cycles are disrupted and irregular. Since sleep disruption contributes to problems with perception and learning in healthy people, the team wondered whether the circadian disruption and cognitive disturbances in HD mice were linked. To test this, drugs w...Nodal status is best predictor of outcome after neoadjuvant therapy for esophageal cancer
...herapy---where suitable patients are given several cycles of drugs and radiation therapy before undergoing surgical procedures to remove their tumour---is increasingly being used by oncologists as a way to boost survival rates from oesophageal cancer which, even with the most radical surgery, remain low: on...The new wildlife refuge -- Golf courses?
...by eliminating bullfrog tadpoles. Because bullfrog cycles of metamorphosis take longer to complete (typically 12 months) than the cycles of other amphibians (typically one to four months), the bullfrog tadpoles have advantages in permane...Illinois researchers presenting at ASPB Annual Meeting in Chicago, July 7-11
...cientists due to its quick growth and reproduction cycles and simple genome. The University of Illinois also will post five research studies from various plant science labs at the Joint Congress. Two of these University of Illinois-based studies, are extensively described in separate news releases, Eleva...Germany's embryo protection law is 'killing embryos rather than protecting them'
...this was a persistent effect because the number of cycles remained at this lower level in 2005. Prof Nyboe...s almost entirely due to the drop in the number of cycles in Germany. Prior to 2004, Germany carried out the most number of ART procedures in the whole of E...Pre-implantation genetic screening reduces both ongoing pregnancy and live birth rates in over 35s
...omised double-blind trial, the team compared three cycles of IVF with and without PGS in women from35 to 41 ...res around the world. In 2003, more than 1700 IVF cycles with PGS for various indications were reported to the ESHRE preimplantation genetic diagnosis (ESHRE...Stem cell procedure successfully treats amyloidosis patients
...rsity Medical Center (BUMC) have found that tandem cycles of high-dose chemotherapy and blood stem cell transplantation can help treat patients with immunoglobulin-light chain (AL) Amyloidosis who did not respond to initial treatment with this method. These findings were published on-line in the June 25th i...Personalized approach to ovarian stimulation achieves high ART pregnancy rates
...by reducing the chances of having to either cancel cycles because the ovaries have not been stimulated enoug... Moderate or severe OHSS can occur in 3-8% of IVF cycles [1]. Moderate OHSS can be accompanied by nausea and vomiting. Severe OHSS, which is an uncommon even...ChemGenex announces publication confirming activity of Ceflatonin in T315I-Positive CML
...atological response (CHR) was achieved after three cycles of therapy. Based on the clinical results, the authors believe that the rapid and complete disappearance of the T315I mutation might suggest a particular sensitivity of this mutation to HHT. The authors conclude that HHT "may provide an alternative t...Studies to find better ways to preserve human eggs, ovarian tissue under way
...you often dont have time to go through stimulation cycles to get oocytes, says Dr. Emmi. You are concentrating on getting rid of cancer cells. Also, if a woman has breast cancer, for example, hormones needed to induce ovulation could be problematic because many breast cancer cells have estrogen receptors. ...Largest synthetic gene ever built offers insights into anti-malarial drug resistance
...om the infection, and this is followed by repeated cycles of mounting parasitic reproduction within red blood cells and accompanying fever. During red blood cell infection, P. falciparum degrades the hemoglobin in the red cell, producing a toxic byproduct known as heme, which the parasite then crystallizes ...ChemGenex reports successful personalized dosing of Quinamed at ASCO
...stable disease which was sustained over 18 monthly cycles of amonafide. Greg Collier, Ph.D., Chief Executive Officer and Managing Director of ChemGenex said that the results were a significant step in the development of personalized medicines. The data that Dr Kuhn presented today show very clearly th...New multiple myeloma treatment induced total remission in 33 percent of patients
...in this study. All of them underwent six treatment cycles with a 10-day break between each, and were adminis... cycles. It should be mentioned that the first two cycles already caused an 82% reduction. These results set the base for further clinical trials in order to ...