Gland in Biological News

Freezing prostate cancer does a man's body good

... only the tumor instead of the whole prostate gland is a major and profound departure from the ... sparing healthy tissue in and around the prostate gland rather than destroying it, as traditional ... spares as much as possible of the prostate gland and its neurovascular bundles, limiting the side ...

Primate's scent speaks volumes about who he is

... ( http://lemur.duke.edu/ ). The males have a gland and spike on each wrist that is used to scratch ... place longer. Males can be seen dabbing the wrist gland on the chest gland and then scratch-marking. The wrist glands are ...

Scientists find stem cells for the first time in the pituitary

... suggest a novel way that the hormone-secreting gland may adapt, even in adolescents and adults, to ... processes throughout the body. In mice, the gland develops in the embryo, but then has a second ... that happen during the later growth of the gland could have lasting effects. ...

RNA interference therapy heals growth deficiency disorder in a live animal

... deterioration and death of cells in the pituitary gland that produce growth hormone. As a result, this ... problem was how to deliver it to the pituitary gland which, in the case of the mouse, is the size of a ... to deliver their silencing-RNA to the pituitary gland that would be suitable for treating humans. The ...

New molecular regulators of hyperthyroidism and goiter

... The thyroid gland has an important role in determining how much energy the body burns. Thyroid gland functions are regulated by a hormone known as ... signals and therefore in regulating thyroid gland function. This makes Gq and G11 potential new ...

JCI table of contents: Aug. 9, 2007

... of hyperthyroidism and goiter The thyroid gland has an important role in determining how much energy the body burns. Thyroid gland functions are regulated by a hormone known as ... signals and therefore in regulating thyroid gland function. This makes Gq and G11 potential new ...

Eating eggs when pregnant affects breast cancer in offspring

... the female offspring with a chemical that causes cancer of the mammary gland (breast cancer). Although animals in all groups developed mammary cancer, ... the way that choline affects modifications of the DNA within the mammary gland of fetuses as they develop in the womb. The National Cancer Institute ...

Green tea may delay onset of type 1 diabetes

... In the mouse, EGCG reduced the severity and delayed onset of salivary gland damage associated with Sjogren's syndrome, which has no known cure. ... says. The next step is to observe Sjogren's syndrome in human salivary gland samples to determine whether the study findings hold up in humans. "If ...

NTP finalizes report on Bisphenol A

... resins, is of "some concern" for effects on development of the prostate gland and brain and for behavioral effects in fetuses, infants and children, ... "minimal concern" that BPA exposure will affect development of the mammary gland or accelerate puberty in females. The NTP expressed "negligible concern" ...

Gene's newly explained effect on height may change tumor disorder treatment

... additional studies to explore the role of the NF1 gene in the pituitary gland and the hypothalamus, a brain region that controls pituitary gland production of growth hormone. ...

New research explains link between smoking and SIDS

... to beat more efficiently. And for some months after birth, the adrenal gland still acts as an oxygen sensor, aiding in the babys arousal and breathing ... due to nicotine exposure. At birth, the nervous control of the adrenal gland is not active and so a baby relies on these direct oxygen sensing ...

Story ideas from the Journal of Biological Chemistry

... and silk until now. Craig Vierra and colleagues found that the aciniform gland in the Black Widow manufactures and extrudes a previously unidentified ... levels were present at 1000-fold higher concentration in the aciniform gland compared to other glands. The researchers note this finding is ...

For honey bee queens, multiple mating makes a difference

... to communicate. When Richard analyzed pheromone produced in the mandibular gland of honey bee queens, she found that pheromone composition changes ... inseminated queens. Richard added that an analysis of the mandibular gland pheromone found differences in the chemical profile of pheromone from ...

Hormone levels contribute to stress resilience

... Combat Diver Qualification Course (CDQC). Dehydroepiandrosterone, or "DHEA" as it is commonly known, is a hormone that is secreted by the adrenal gland in response to stress. Although medical scientists have known for over a decade that DHEA provides beneficial, anti-stress effects in animals, they ...

DOE-funded research projects win 46 R&D 100 Awards for 2009

... Compact Gamma Camera This high-resolution nuclear medical probe can pinpoint the locale of cancer tissue in the prostate gland in detail at an early stage. Diagnosis is easier using the gamma camera, rather than conventional ultrasound imaging, because the camera can more ...

Plastics chemical retards growth, function of adult reproductive cells

... studies that showed effects in animals exposed to low doses of BPA led it to have "some concern for effects on the brain, behavior and prostate gland in fetuses, infants and children at current human exposures to bisphenol A." The new study points to possible concerns in adults as well, Flaws ...

Stress puts double whammy on reproductive system, fertility

... entirely novel pathway for stress-induced reproductive dysfunction." Kirby noted that adrenal hormones are critical to survival, so removing the gland and thus glucocorticoids is not a solution to chronic stress. However, Kaufer said, it may be possible to block GnIH to reduce some of the effects ...

Dioxins in food chain linked to breastfeeding ills

... mammary glands have a high rate of cell proliferation, especially during early to mid-pregnancy when the most rapid development of the mammary gland occurs. Researchers also found that dioxin altered the induction of milk-producing genes, which occurs around the ninth day of pregnancy, and ...

Gene activity reveals dynamic stroma microenvironment in prostate cancer

... HOUSTON -- (June 9, 2009) As stroma the supportive framework of the prostate gland react to prostate cancer, changes in the expression of genes occur that induce the formation of new structures such as blood vessels, nerves and ...

Simple drug treatment may prevent nicotine-induced SIDS: Study

... the lethality of hypoxia. "Our initial goal was really to understand how the nervous system regulates oxygen sensitivity of cells in the adrenal gland at a basic research level," says Colin Nurse, academic advisor on the study and a professor in the department of Biology. "We speculated that ...

A biological basis for the 8-hour workday?

... says Hogenesch. Using improved statistical methods also led to better accuracy. "We were able to more precisely say that, for example, the pituitary gland has 10-fold fewer oscillating protein transcripts than the liver, and cell-autonomous models have 10-fold less than that." ...

The Prestige oil spill caused changes in the cell structure of mussels

... the cell membrane in some samples were still not high. At a tissue level, Ms Garmendia studied the cell types of the tissues from the digestive gland of the mussel. Between 2004 and 2005, serious changes were observed in these tissue in the samples from all the locations studied atrophy of certain ...

Gladstone scientists reveal that fat synthesizing enzyme is key to healthy skin and hair

... For example, they are lean, resistant to diet-induced obesity, are more sensitive to insulin and leptin, and have abnormalities in mammary gland development and skin. When Gladstone researchers in the laboratory of Robert V. Farese, Jr. used genetic engineering to delete the enzyme in mice, ...

Prostate cancer spurs new nerves

... nerve density was considerably higher in patients with prostate cancer and in precancerous lesions. As part of the study, he used an entire prostate gland to reconstruct the prostate and enable scientists to see the growth of nerves and axons in three-dimensions, a computerized process that took ...

Zoologists: Sea snakes seek out freshwater to slake thirst

... snakes the freshwater lens persists for longer periods before mixing into saltwater. Rather than helping sea snakes gain water, the snakes' salt gland may help the snakes with ion balance moving excess salts from the bloodstream, Lillywhite said. Some sea snake species living in dry regions may ...

Making flies sick reveals new role for growth factors in immunity

... that when heart development goes awry in fruit fly Dpp mutants that the lymph glands might also be affected. "One of the functions of the lymph gland in fruit flies is to produce blood cells," notes Newfeld. "This is in contrast to humans where the processes take place in our bone marrow." With ...

Egg whites solve the 3-D problem

... three," she said. "Understanding how the cell communicates, how protein work requires three dimensions." For example, breast cells in the mammary gland form ducts through which milk flows when a woman breastfeeds. "These are the same cells that cause cancer," said Oesterreich. "When you put these ...

Athletes' 'sweat and tears' linked to asthma

... compared with those who were responsive. Additionally, a significant correlation was found between sweat secretion and unstimulated salivary gland flow rates and tear secretion. "There were many Olympic hopefuls whose competitive chances were potentially limited by exercise-induced asthma," ...

Identification of protein able to stimulate production of T-cells

... 'old' T cells are not equipped to face the threat of new foreign bodies, whether they are viruses or tumours." The atrophy of the thymus, a small gland at the base of the neck where T cells mature, is one of the most obvious signs of the age-related decline of the immune system. This decline becomes ...

Disabling mouse enzyme increases fertility

... St. Louis, May 16, 2008 Changing the sugars attached to a hormone produced in the pituitary gland increased fertility levels in mice nearly 50 percent, a research group at Washington University School of Medicine in St. Louis has found. The change ...

CAPHOSOL relieves oral mucositis and improves quality-of-life in cancer patients

... chemoradiation-induced oral mucositis. Oral Mucositis: A Common and Debilitating Condition Oral complications including mucositis and salivary gland dysfunction are common and often debilitating side effects of cancer therapy. OM is estimated to affect more than 400,000 cancer patients each year. ...

T-cadherin affects blood vessel growth in breast cancer, hormone from fat cells may play a role

... developed the first living model to study this proteins effect on tumor angiogenesis by creating a strain of mice that develops spontaneous mammary gland tumors in the absence of T-cadherin. Their results appeared March 1 in Cancer Research. Evidence of T-cadherins role in vascularization has been ...

Mounting evidence shows red wine antioxidant kills cancer

... as much. The team also wanted to investigate why pancreatic cancer cells seem to be particularly resistant to chemotherapy. The pancreas, a gland located deep in the abdomen, produces insulin and regulates sugar, and pumps or channels powerful digestive enzymes into the duodenum. This natural ...

Prostate cancer: Watchful wait or vaccinate?

... prostate cancers, but expression ramps up in all prostate tumors as they grow and advance. PSCA is also expressed at low-levels in normal prostate gland tissue as well as in the bladder, colon, kidney and stomach. The researchers created a prime-boost vaccination scheme using two kinds of vaccines ...

Research sheds light on the mechanics of gene transcription

... allows high-precision 3D imaging in living cells, the researchers observed polytene chromosomes -- giant, multistranded chromosomes in the salivary gland tissue of fruit flies that have hundreds of sets of the genome instead of the usual two sets in conventional cells. They activated heat shock genes, ...

The precise role of seminal proteins in sustaining post-mating responses in fruit flies

... in mated females. CG33943 is required for full stimulation of egg production on the first day after mating. Four other individual accessory gland proteins (CG1652, CG1656, CG17575, and CG9997) appear to modulate the long-term response, namely the maintenance of post-mating behavior and ...

Leading researchers to reveal comprehensive dos and don'ts for prostate cancer

... June Chan, ScD, of the University of California San Francisco, has been studying the potential impact of fish oil and tomato extracts on the prostate gland prior to and after exposure. What were trying to determine is if men with low grade prostate cancer can manage their disease with these kinds of ...

Does the victim affect snake venom composition?

... They constructed complementary DNA libraries from the venom glands of the reptiles, representing only the stretches of DNA that code for venom gland proteins, and studied two types of protein toxins. The three-finger toxins (3FTx) and the phospholipase A2 (PLA2) enzymes are the main components of ...

American Chemical Society's Weekly PressPac -- Sept. 19, 2007

... ARTICLE #3 FOR IMMEDIATE RELEASE Pomegranate Ellagitannin-Derived Metabolites Inhibit Prostate Cancer Growth and Localize to the Mouse Prostate gland DOWNLOAD PDF http://pubs.acs.org/cgi-bin/sample.cgi/jafcau/2007/55/i19/pdf/jf071303g.pdf DOWNLOAD HTML ...