Cytology
Neurotrophin-3 (NT-3) has been found to regulate mast cell functions in neonatal mouse skin, affecting the numbers and activities of these cells. Researchers from the University of Mainz have demonstrated that NT-3, a member of the nerve growth factor family, influences the development and maturation of mast cells in the
Cytology
Researchers at the University States have made a groundbreaking discovery in the field of stem cell research. According to a study published in the Journal of Clinical Investigation, neuronally expressed stem cell factor (SCF) induces neural stem cell migration to the brain injury site. This study has significant implications for
Cytology
Bone marrow cells have long been investigated for their potential to regenerate damaged heart tissue. Recent studies have suggested that these cells might possess a broader differentiation potential than previously thought. However, the exact identity, longevity, and fate of these cells in infarcted myocardium have yet to be fully understood.
Cytology
Children undergoing hematopoietic stem cell transplantation (SCT) after busulphan/cyclophosphamide-based conditioning regimens may experience unexplained disturbances of growth, particularly if they have not received gonadotoxic therapy prior to the treatment. The growth impairment may be attributed to insufficient growth hormone secretion. Additionally, thyroid function may be disrupted in some patients,
Cytology
In the wake of Ronald Reagan's passing due to complications of Alzheimer's disease, the question of using embryos for stem cell research remains a contentious issue. President Bush has reaffirmed his stance against using embryos for stem cell research, despite rising calls for relaxation of federal
Cytology
Cellerant Therapeutics, Inc., a developer of therapies based on hematopoietic stem cells, has made two significant appointments to its research team, positioning the company for further advancements in cell products and cell-based therapies. Timothy C. Fong, PhD, has been named Vice President of Research, bringing expertise in hematology, oncology, and
Cytology
Scientists have successfully developed a model of autoimmune hepatitis by expressing liver cell osteopontin in mice. The study, published in the Biochemical and Biophysical Research Communications, aimed to clarify the role of osteopontin in inflammatory changes in the liver. Researchers constructed transgenic mice expressing osteopontin in hepatocytes and observed significant
Cytology
Scientists have discovered that the intracellularly expressed HIV-1 Tat protein inhibits neural cell proliferation. This study, published in the journal Neuroscience Letters, found that Tat expression resulted in growth inhibition of astrocytes, neurons, and non-glial cells. The researchers also identified that Tat interacts with multiple cell cycle-related proteins, which may
Immunology
Immunologists in the United States have identified key factors influencing the survival of cells expressing low-affinity T cell receptors (TCR). Through a study conducted at Harvard University, researchers analyzed the selection and survival of cells expressing a low-affinity TCR under optimal and sub-optimal conditions. The findings suggest that both a
Immunology
Researchers at a U.K. laryngeal research group are making groundbreaking discoveries about the immune function of cells lining the larynx, which could have significant implications for the treatment of diseases such as asthma and cancer. Led by Martin Birchall, M.D., the team is studying the biology of the
Cytology
A mutation in the human P2X7 receptor gene has been found to enable mycobacterial survival in infected macrophages. This genetic variation, which affects the functioning of the P2X7 receptor pathway, can lead to a lack of apoptosis in infected cells, allowing mycobacteria to survive and thrive. Researchers in Australia have
Cytology
Researchers from the University of Texas, M.D. Anderson Cancer Center have discovered that epidermal growth factor receptor (EGFR) blockade may be a valuable supplement to cytotoxic chemotherapy for treating renal cell carcinoma that has metastasized to the bone. The disease is notoriously resistant to chemotherapy and radiation, resulting in
