Serum in Biological News

NIST issues human milk and blood serum SRMs for contaminant measurements

... Control and Prevention (CDC), the human milk and serum SRMs have certified levels of contaminants, ... the milk SRMs contain similar contaminants as the serum materials. To prepare these SRMs, scientists collected 200 liters of blood serum and 100 liters of milk from banks across the ...

Study shows Chronix technology using serum DNA can identify early presence of disease

... disease. These DNA fragments, referred to as serum DNA, are released into the blood stream in trace ... that can find, isolate and identify these serum DNA sequences, enabling very early detection of ... able to identify specific signature sequences in serum DNA before clinical symptoms appeared in animals ...

Green tea may affect prostate cancer progression

... green tea demonstrated a significant reduction in serum markers predictive of prostate cancer ... with green tea's active compounds on serum biomarkers in patients with prostate cancer. The ... Findings showed a significant reduction in serum levels of HGF, VEGF and PSA after treatment, with ...

Is vitamin D deficiency linked to Alzheimer's disease and vascular dementia?

... Vitamin D and these dementias is needed. Low serum levels of 25-hydroxyvitamin D [25(OH)D] have been ... number of studies reported that those with higher serum 25(OH)D levels had greatly reduced risk of ... of dementia with respect to prediagnostic serum 25(OH)D or vitamin D supplementation are ...

InVitria to Unveil Powerful Cell Culture Media Component ZAP-CHO

... such as FBS (fetal bovine serum), BSA (bovine serum albumin) or plasma-derived HSA (human serum albumin) in cell culture media. “Our team ... outperforms plasma-derived albumin, bovine serum albumin and other sources of recombinant albumin. ...

InVitria Announces Launch of Recombinant Albumin for Diagnostics

... in diagnostics applications than both bovine serum albumin (BSA) and plasma-derived human serum albumin (pHSA).  The advantages of ... of the Recombinant Albumin-DX to native human serum albumin (HSA).     “InVitria ...

Updated formula measures kidney function more accurately

... by the study is based on height and gender, serum creatinine and BUN, and cystatin C a ubiquitous ... small sample of blood will determine the level of serum creatinine and BUN, while a slightly more ... formula from the child's height in centimeters, serum creatinine level and a constant that relates ...

Luminescence shines new light on proteins

... of the most abundant protein in the body, serum albumin. In the future the technique could help ... team looked at how light behaved when serum albumin was added to the probes and found that ... (the optical probe, itself of one handedness) and serum albumin (also of one handedness: hence akin to a ...

Don't forget the vitamin A when working with its carrier protein

... was attributable to more RBP circulating in the serum not bound to vitamin A. RBP was strongly ... and humans revealed a strong relationship between serum RBP and obesity-induced insulin resistance. ... Often lacking in these publications are data for serum retinol, arguably RBP's most important ...

Syracuse University partners with Serum Institute of India to develop vaccines for children

... partnership between Syracuse University and the serum Institute of India could lead to better access to ... "We are very excited to be working with the serum Institute of India on these projects," Doyle ... scholarship in action." Founded in 1966, the serum Institute of India produces and supplies ...

American Chemical Society's Weekly PressPac -- Dec. 12, 2007

... Cagri A. Savran and colleagues explain that serum biomarkers can reveal critical information about ... The study describes development of an integrated serum biomarker detection system for the folate ... Diffractometry for Detection of Diagnostic serum Markers DOWNLOAD PDF ...

Highlights from the November 2007 Journal of the American Dietetic Association

... Deprivation Is Associated with Lower Levels of serum Carotenoids among U.S. Adults Participating in ... in a Rural Environment The Prevalence of Low serum Zinc and Copper and Dietary Habits Associated with serum Zinc and Copper in 12-36 Month Old Children at ...

Zinc may reduce pneumonia risk in nursing home elderly

... and colleagues report that maintaining normal serum zinc concentration in the blood may help reduce ... to pneumonia, especially those with low serum zinc concentrations in their blood, says Meydani, ... USDA HNRCA . The study participants with normal serum zinc concentrations in their blood reduced their ...

DuoCort: New chronotherapy for adrenal insufficiency

... of the new hydrocortisone tablet, show a physiological diurnal serum cortisol profile after single-dose administration that mimics the natural ... need is to improve therapy by mimicking the sizable diurnal variation in serum cortisol that normally occurs. DuoCort seeks to do so by providing a ...

InVitria Sponsors ESACT 2009 in Dublin, Ireland

... was only possible by utilizing animal components such as FBS (fetal bovine serum or fetal calf serum) in cell culture media,” said Dr. Pettit. ... leading cell culture supplements, Cellastim , a recombinant human serum albumin, outperforms other forms of albumin for growth and productivity. ...

Vitamin D deficiency related to increased inflammation in healthy women

... of the immune system, in healthy women. Increased concentrations of serum TNF-α, an inflammatory marker, were found in women who had ... tumor necrosis factor-alpha concentrations are negatively correlated with serum 25(OH) D concentrations in healthy women," was published in the Journal ...

Exercise increases brain growth factor and receptors, prevents stem cell drop in middle age

... up to one hour a day. The study tracked neurogenesis, age, exercise, serum corticosterone levels and brain-derived neurotrophic factor (BDNF) and its ... cells in the hippocampus. Exercise did not change the basal level of serum corticosterone in middle-aged mice. This suggests that the reduction of ...

American Chemical Society Weekly PressPac Oct. 15, 2008

... describe a new method for producing electrospun polymers using bovine serum albumin (BSA), a so-called "globular" protein found in cow's blood. BSA is similar to serum albumin, one of the most abundant proteins in the human body. The method ...

Blood 'fingerprints' for cancer

... serum microRNAs (miRNAs) can serve as biomarkers for the detection of diseases ... and diabetes, ruling out contamination. They propose that the specific serum miRNA expression profiles they identified constitute fingerprints for ...

Immune system protein accurate predictor of survival in pediatric septic shock

... septic shock. For their study, Dr. Wong and colleagues obtained blood serum measurements and other patient information from two separate databases ... admissions, the researchers projected that a threshold of 220 pg/ml blood serum would have sensitivity for predicting rates of deaths in patients 75 ...

Eating fish may explain very low levels of heart disease in Japan

... universities and one research institute in the U.S. and Japan to compare serum levels of omega-3 fatty acids and atherosclerosis among Japanese, white ... and white Americans remained after adjusting for other risk factors serum cholesterol, blood pressure, cigarette smoking, body mass index and ...

Saliva can help diagnose heart attack, study shows

... took advantage of the recent identification of a number of blood serum proteins that are significant contributors to, and thus indicators of, ... were as accurate in the diagnosis of heart attack as those found in blood serum using current testing methods. These are truly exciting findings, since ...

ETH Zurich researchers develop antibody test

... a special chip that can, inexpensively and with minute quantities of blood serum and sugar molecules, determine whether or not someone has formed ... several tiny heaps of different GPIs in varying concentrations. When blood serum is then administered to such a pad, possible antibodies specifically bind ...

Mom's obesity during conception phase may set the stage for offspring's obesity risk

... mass vs. lean offspring. high fat feeding significantly increased serum glucose, triglyceride, insulin and leptin levels in both groups. Strikingly, the serum insulin and leptin levels increased by 2.2 and 2.3 fold in obese offspring ...

JDRF awards University of Copenhagen professor with grant to conduct innovative diabetes research

... the proliferation of beta cells. Dr. Nielsen will now study the effect of serum from pregnant women on human beta cell proliferation and survival in isolated islets. The successful identification of the factors in pregnant human serum and understanding the signaling pathways involved in the expansion of ...

Yale discovery suggests protein may play a role in severe asthma

... and to understand the variation in severity. The researchers evaluated serum levels of YKL-40 in 253 adults patients in three asthma and control groups ... of Wisconsin, and the University of Paris. The found increased circulating serum levels of YKL-40 in patients with asthma compared to those without ....

The reservoir of Marburg virus identified in a species of fruit bat

... The analyses detected antibodies directed against Marburg virus in the serum of just one of the 10 species caught, the Egyptian rousette, Rousettus ... contain RNA sequences belonging to 3 different Marburg virus genes. Blood serum of three out of the four specimens also contained Marburg virus-specific ...

The way you eat may affect your risk for breast cancer

... for chemoprevention studies," said Margot P. Cleary, Ph.D., professor at the Hormel Institute, University of Minnesota. "Further identification of serum factors that are involved in tumor development would possibly provide a way to identify at risk individuals and target interventions to these ...

Holding breath for several minutes elevates marker for brain damage

... on free divers that would begin early in their careers and follow them for years to monitor their neurological function. The study is "Increased serum levels of the brain damage marker S100B after apnea in trained breath-hold divers: a study including respiratory and cardiovascular observations." ...

Enzyme involved in inflammatory bowel disease discovered at Penn State College of Medicine

... lacking meprin was much higher than the level in wild-type mice. The Penn State team also discovered that meprin is able to activate an inflammatory serum factor produced by white blood cells, and this factor is elevated in both the mouse model of IBD and in humans with active IBD. Bond explained, "The ...

A quicker, cheaper SARS virus detector -- one easily customizable for other targets

... present/not present tests with relatively little quantitative elements. Next steps are to enable detection in more complex environment, such as serum and whole blood, by integrating the nanobiosensor with micro systems such as microfluidics chips and micro filters. ...

Vitamin D insufficiency linked to bacterial vaginosis in pregnant women

... that 41% of all enrolled women had BV, and that 93% had 25(OH)D levels indicative of vitamin D insufficiency. Overall, women with BV had lower serum 25(OH)D concentrations than those without BV (P ...

Muscular dystrophy diagnosis delayed almost 2.5 years in boys

... more than a year before families bring it to the attention of a health care provider. It takes another year before these children are screened with a serum CK test a simple and inexpensive blood test for creatine kinase, an enzyme that leaks out of damaged muscle. "The CK test is an easily available ...

Vitamin D levels linked to asthma severity

... New research provides evidence for a link between vitamin D insufficiency and asthma severity. serum levels of vitamin D in more than 600 Costa Rican children were inversely linked to several indicators of allergy and asthma severity, including ...

Singapore scientists synthesize gold to shed light on cells' inner workings

... via a single-step reaction at body temperature (37C), the gold nanoclusters are formed with a commercially available common protein such as bovine serum albumin (BSA). "The protein holds and interacts with gold ions in aqueous solution. We are able to use this protein to provide a scaffold for the ...

Broccoli sprouts may prevent stomach cancer by defeating Helicobacter pylori

... of Medicine. Researchers assessed the severity of H. pylori infection at enrollment, and again at four and eight weeks using standard breath, serum and stool tests. H. pylori levels were significantly lower at eight weeks on all three measures among those patients who had eaten broccoli ...

Magnetic nano-'shepherds' organize cells

... Bappaditya Samanta and Vincent Rotello at the University of Massachusetts, who developed a method for coating the magnetic nanoparticles with bovine serum albumin (BSA), a protein derived from cow blood. BSA is a stable protein used in many experiments because it is biochemically inert. In these ...

A natural approach for HIV vaccine

... Science and Rockefeller scientists David D. Ho and Jeffrey V. Ravetch, Scheid and colleagues isolated 433 antibodies from these individuals' blood serum that specifically targeted the envelope protein the chink in HIV's protean armor. He cloned the antibodies and produced them in bulk, mapped which ...

Lowering your cholesterol may decrease your risk of cancer

... tumor incidence correlates with eating a high fat/high cholesterol diet "Western" diet. In addition, prostate tumor progression has been linked to serum cholesterol levels. To examine the role of high cholesterol in prostate cancer, Dr. Keith Solomon and colleagues fed mice a high fat/high ...

New reference material can improve testing of multivitamin tablets

... academic community will also be able to use the SRM to benchmark their assays for vitamins and minerals just as other SRMs are used to standardize serum cholesterol measurements. ...