Researchers propose alternative testing methods, such as heat-denatured p24 antigen tests and flow cytometric quantitation of CD4 T-cells, to measure progress in the war against HIV/AIDS. These affordable alternatives provide an indication of treatment response and help public health officials assess the effectiveness of their efforts.
A mandated food additive to combat high fetal development risks may inadvertently harm seniors due to low levels of vitamin B-12. The condition, which affects nearly half of US deaths annually, has been linked to cardiovascular diseases and mental confusion in some cases.
A new study investigates the relationship between pain and selected medications, using genotyping to predict clinical outcomes and adjust drug therapy. By analyzing plasma concentrations of analgesics metabolized by CYP2D6, researchers aim to improve pain management therapy and reduce adverse effects.
The CDC recommends testing C-reactive protein levels in patients with intermediate risk of cardiovascular disease, and in those with acute coronary syndromes or stable coronary disease. The guidelines also emphasize the importance of standardizing laboratory test results to accurately measure hsCRP levels.
Researchers highlight the growing concern of male osteoporosis, emphasizing genetic predispositions and secondary risk factors such as alcohol consumption and malnutrition. Dr. Rosen recommends early bone density testing for men over 55 with unexplained height loss or fracture history to identify potential treatment options.
Lab Tests Online offers a comprehensive resource for patients seeking information on lab tests, including explanations of test results and personalized responses from clinical laboratory scientists. The site also integrates with other reputable sources like NIH's Medline Plus.
Animal studies found major malformations in the epididymis, a leading deformity caused by antiandrogen chemicals disrupting fetal reproductive development. Exposures to DBP and linuron during critical windows of in utero development can lead to infertility and testicular atrophy.
Early detection and treatment of allergies can prevent serious complications and modify the progression of pediatric allergies. A specific IgE blood test can accurately diagnose atopy and guide treatment, including avoidance therapy and medication.
A new test method aims to predict which early-stage cancer patients are at high risk for relapse, allowing for more precise treatment decisions. By analyzing apoptosis proteins in patient tumors, researchers hope to identify molecular and genetic signatures that indicate the likelihood of cancer recurrence.
Researchers have identified new serum biomarkers for ovarian cancer, which may be used in conjunction with existing methods such as CA125 marker and ultrasound to improve diagnosis. These newly discovered markers show promise in detecting the disease at an early stage, leading to better treatment outcomes.
The growing trend of consumer ordering lab tests is driven by convenience and a desire for control over healthcare. Key findings include that middle-aged or younger groups are most interested in DAT, with income brackets, health status, and insurance playing significant roles in adoption.
A new bead-array test can identify the 25 most common cystic fibrosis mutations in just 15 seconds, enabling potential parents to make informed decisions about conception and treatment options. The test requires only genomic DNA from a patient and uses a single reaction to screen for all 31 CF mutations.
A blood test could identify biological markers that indicate the onset of a heart attack or stroke, leading to life-saving intervention. Researchers are developing a diagnostic tool using 'sick cells' markers, which may be available in three to five years.
Pediatric food allergies affect 6-8% of infants/children, primarily milk. Diagnosis involves a complete work-up, including history, physical, laboratory evaluation, and biopsy. Treatment includes elimination diets, oral challenge testing, and treatment for severe reactions.
A new study analyzing over 7,000 pediatric autopsies found that nearly 60 specimens suggested diagnoses of metabolic disorders as the underlying cause of infant and child deaths. The most commonly detected disorders were medium-chain acyl-CoA dehydrogenase deficiency and glutaric acidemia type I and II deficiencies.
Researchers have identified genetic markers that can predict which patients with schizophrenia will benefit from clozapine treatment. The study found that genetic variations in four key genes, including 5-HT2A and 5-HT2C, can successfully predict treatment outcome in approximately 77% of cases.
Researchers develop surface-enhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI) for identifying potential biomarkers of early stage breast cancer. The study achieved high sensitivity and specificity, suggesting SELDI may lead to the discovery of additional biomarkers.
A rapid test developer suggests a PCR-based approach as an effective alternative to current methods for detecting group A streptococcus in throat swabs. The proposed test offers enhanced sensitivity and faster results compared to traditional antigen testing.
A novel immunoassay for FLC molecules has been developed and assessed for its sensitivity, latex-enhancement, and turbidimetric techniques. The new assay improves upon existing clinical laboratory tests for FLCs in identifying and monitoring patients with multiple myeloma and other diseases.
The American Association of Clinical Chemistry presents an update on HCV testing, highlighting the importance of laboratory tests for diagnosis and monitoring treatment efficacy. New testing methods, including core antigen and genotype testing, are being developed to assist clinicians in diagnosing HCV infection.
Researchers identified a novel gene, mammaglobin (MG), expressed only in breast cancer tissue. MG was found to be present in 81% of breast cancers and has potential applications for early detection and identification of metastases.
The presentation highlights various sources of food poisoning, including animal, plant, and chemical contaminants, as well as common types such as bacterial, viral, and parasitic infections. Early identification of these organisms is crucial for preventing severe illness or death.
A study examines the potential of pharmacogenomic testing to help drug-treatment centers select suitable treatment regimens for opiate-addicted patients. The research investigates genetic polymorphisms affecting opioid metabolism, aiming to improve pain management and drug-abuse treatment.
Newborn diabetes screening benefits patients, medicine, and society by preventing complications, identifying at-risk individuals, and advancing research. Early detection enables targeted interventions to improve disease management, reduce hospitalizations, and lower medical costs.
A study published in Clinical Chemistry explores the connection between metabolic abnormalities and SIDS, highlighting a potential standard protocol for medical examiners. MS/MS testing of infant and child deaths may help explain SIDS cases, offering new insights into this leading cause of childhood death.
A new test for newborn screening can detect a wider range of congenital disorders, including phenylketonuria (PKU), within the time allowed for hospital stays under early discharge policies. The test uses tandem mass spectrometry and eliminated 90 of 91 false positive results produced by routine methods.