A Weizmann Institute study suggests that master-key antibodies interact with proline on proteins and protein fragments to escort them out of the body. This research provides scientific basis for theory that these antibodies may remove broad range of unneeded proteins without affecting beneficial ones.
Researchers have identified the daf-2 gene as a potential target for slowing aging in humans. Altering glucose metabolism may be crucial in extending lifespan. By understanding this mechanism, scientists hope to uncover new strategies for promoting healthy aging and increasing human longevity.
A new gene, AIB1, has been discovered in breast cancer cells that amplifies their growth. The gene is part of a family known as SRC-1 and interacts with steroid hormone receptors, enhancing tumor cell growth.
Scientists at the Weizmann Institute successfully created uniformly oriented crystals of varying sizes by fine-tuning the small remaining mismatch between two materials. The method, using a technique called electrodeposition, holds promise for developing tiny semiconductors with new optoelectronic properties.
A study by Purdue University researchers found that adolescent girls aged 12-15 require 1,300 milligrams of calcium per day to achieve maximum bone growth. The new recommendation aims to address the fact that nine out of ten teenage girls do not meet the current daily intake of four cups of dairy products.
Researchers have made a major breakthrough in understanding prion diseases by fully decoding the three-dimensional structure of the normal prion protein. This discovery may play a key role in the conversion of normal to disease-inducing prions, potentially leading to new treatments for BSE and Creutzfeld-Jacob disease.
Researchers have discovered powerful evidence that an ancient common ancestor invented a set of body-building genetic machinery that has survived to this day. This discovery revolutionizes our understanding of the origin of animal life, as it reveals that the development of appendages was solved just once in the distant past.
A University of Georgia ecologist has estimated the relative importance of predation and plant quality on insect populations using time-series analysis. The study found that top-down forces regulate winter moth populations, while bottom-up forces dominate green oak leaf roller moth populations.
The study reveals that a low-dose pretreatment with certain DNA-crosslinking agents can temporarily suppress P-glycoprotein production, increasing the sensitivity of drug-resistant cells to chemotherapy. This approach may increase the efficacy of cancer chemotherapy in patients and minimize drug interactions.
Scientists have found genetic switches that underlie the evolution of novel body structures, including distinctive feeding limbs called maxillipeds. In crustaceans, variations in the pattern of activity of two Hox genes correspond with anatomic changes tracing ancestral relationships and evolution.
A new vagus nerve stimulator device has been shown to prevent epileptic seizures in over 30% of patients, with some becoming completely seizure-free. The device, which is battery-operated and inserted just below the collarbone, sends electric current to stimulate the vagus nerve without impairing heart rate or cardiac cycles.
Researchers say that physicians' negative reactions to female circumcision may drive circumcised women away from health care. A study found that more than 80 percent of African refugee women in the US are circumcised and need knowledgeable treatment. Guidelines for caring for circumcised women have been developed to address this issue.
Researchers successfully controlled El Nino's behavior in a complex prediction model by altering values for deep ocean waves. This achievement may help improve El Nino event predictions, leading to measures that reduce global damage.
Researchers found a causal relationship between sleep-disordered breathing and hypertension in a substantial number of American adults. People with mild to moderate sleep apnea were 1.8 times more likely to have hypertension than those without, with the severity of apnea linked to increased blood pressure risk.
A research team has discovered a key gene in the human telomerase enzyme, which could aid in diagnosing cancer. The discovery also provides opportunities for developing new treatments by inhibiting the enzyme.
A Canadian survey analysis suggests that language barriers are a significant factor in reduced healthcare access for non-native English speakers. Researchers urge improving communication with such patients to increase participation in preventive health programs, but caution that some solutions may be too costly or ineffective.
Scientists pinpoint exact spot where snake venom latches onto receptor, paving way for synthetic antidote. The new treatment could be more effective and faster-acting than current method, eliminating risk of allergy.