A genetic mutation known as Id1 may help detect melanoma early, when it's still curable. High levels of Id1 are found only in the first stages of melanoma, making it a potential diagnostic marker.
Researchers at Yale University have found that combining Salmonella injections with radiation therapy can effectively suppress tumor growth, prolonging the life of mice by six times. The study suggests this combination therapy could be a future use for Salmonella in cancer treatment.
Researchers at NYU Langone Health discovered a link between a bladder gene and vesicoureteral reflux, a condition that causes urine to flow backward into the kidneys. The study suggests earlier detection and treatment of the condition could prevent kidney failure.
Scientists have characterized gene mutations in families affected by pseudoxanthoma elasticum (PXE), a rare disorder that can lead to progressive loss of vision, gastrointestinal bleeding, and cardiovascular disease. The study provides the basis for DNA-based carrier detection and prenatal testing.
A study by University of Pennsylvania researchers found that the hair follicle and epidermis may originate from the same cache of cells. The finding suggests that daughter cells in the upper follicle migrate upward to form and maintain the new epidermis, and down to form the hair shaft.
Researchers at NYU Langone Health and the University of Pennsylvania School of Medicine have discovered that hair follicles are the source of new cells for the skin's outermost layer, the epidermis. These stem cells reside in a protected area called the bulge, which migrates to the epidermis, replenishing the skin throughout life.
UC Davis researchers have successfully restored vision in 10 of 14 patients suffering from severe corneal damage, using a new technique to grow replacement cornea tissue in a laboratory dish. The treatment showed significant improvement in visual acuity, enabling patients to regain their independence.
Molecular geneticists have characterized gene mutations in families with pseudoxanthoma elasticum (PXE), a rare inherited disorder that can lead to blindness, early heart attacks, and cardiovascular disease. The study provides the basis for DNA-based carrier detection, prenatal testing, and improved diagnosis of the condition.
A new liposuction method using multiple tiny incisions and a syringe offers more precise fat removal with lower risk of adverse events. The technique facilitates consistent and even fat removal, allowing for accurate measurement of fat volume.
A new study by Wake Forest researchers found that women under 50 with severe psoriasis are often prescribed less effective treatments due to the risk of birth defects, while men receive more powerful drugs. The study also noted that women over 50 tend to receive stronger treatments, highlighting a gender gap in treatment options.
Researchers discussed various molecular pathways that lead to cancer, including cellular senescence and oncogenic signaling. The symposium addressed the role of genetic instability and signaling pathways in cancer progression.
A new diode laser technique developed by MGH dermatologist Eliot Battle successfully removes excessive hair from individuals with darker ethnic skin. The longer-wavelength laser light and slower pulse delivery reduce damage to the surrounding skin, enabling patients with darker skin tones to tolerate higher energy dosages.
Researchers at the University of Michigan have created a new line of transgenic mice that spontaneously develop skin tumors resembling human basal cell carcinomas. The mice produce abnormally large amounts of Gli2 protein, which plays a key role in the development of these common skin tumors.
Researchers at Thomas Jefferson University have used a gene repair technique to genetically change white albino mice hairs to black, showing stable and long-lasting changes in skin cells. The technique has potential as a treatment for some hereditary diseases by correcting genetic mutations.
Researchers found that 70% of Southeastern adults with Lyme-like symptoms were not infected with the standard Borrelia burgdorferi strain. Instead, a genetically variant strain was detected, which may be more responsive to antibiotic therapy and less virulent than traditional Lyme disease.
A study published in the Journal of the American Academy of Dermatology found that severe psoriasis is debilitating, both physically and mentally, affecting quality of life for patients
Researchers at UT Southwestern Medical Center have converted dendritic cells into cells that deliver death signals, potentially preventing and treating inflammatory diseases. This technology could lead to the prevention and treatment of inflammatory diseases such as rheumatoid arthritis.
A study published in The American Journal of Managed Care found that insurance companies are losing money by requiring prior authorization for all tretinoin prescriptions for patients over 25 years old. In fact, the restrictions can lead to a high administrative cost due to the drug's applications beyond acne treatment.
A new study from the Wellman Laboratories of Photomedicine at Massachusetts General Hospital found that Er:YAG laser treatment is as effective as CO2 laser for wrinkle removal but with fewer side effects. Patients experienced less skin reddening and faster recovery times with Er:YAG, which requires more passes to achieve similar results.
Researchers discovered that UV radiation blocks the ability of skin cells to recognize retinoic acid, a nutrient made from vitamin A. This triggers a cascade of biochemical changes, causing a functional vitamin A deficiency in human skin. Pretreating skin with retinoic acid before UV exposure can limit the damage.
Two studies presented at the American Academy of Dermatology meeting suggest that primary care doctors often refer patients with skin problems to dermatologists, wasting time and resources. Dermatologists diagnose skin diseases more quickly than other doctors, saving money for both patients and healthcare systems.
A study by Westwood Squibb Center for Dermatology Research found that Medicare policies contradict medical practice for treating actinic keratoses, which can develop into squamous cell carcinoma. In most cases, doctors prefer to remove lesions immediately, but Medicare won't reimburse doctors who do so on the first visit.
Researchers at Jefferson Medical College successfully used a gene repair technique to change the color of white albino mice cells to black, restoring melanin production and correcting a genetic mutation. The breakthrough holds promise as a potential treatment for some hereditary diseases by correcting the underlying genetic defect.
A new study at UCSF found Botox effective in treating excessive underarm sweating, offering patients a significant alternative to surgery. The treatment requires no anesthesia and provides long-lasting results, with most patients experiencing reduced sweating within 48 hours.
A recent trial found that patients with HIV-related sensory neuropathy experienced significantly lessened pain intensity and improved sensation after receiving injections of lab-created nerve growth factor. The study also identified which nerves are involved in the injury, paving the way for future research on regrowing damaged nerves.
The Westwood-Squibb Center for Dermatology Research will examine the impact of managed care on dermatology and advance the specialty through dissemination of information and examination of ethical practices. The center aims to improve skin care and address economic, ethical, and policy issues in dermatology.
A Wake Forest University School of Medicine study found that patients with skin problems receive inadequate comprehensive care from primary care doctors, who focus solely on the skin issue. Dermatologists provide superior treatment due to their specialized expertise, and previous studies have shown they are cost-effective as well.
Researchers found that non-dermatologists prescribed less-effective yet more costly medications for fungal skin diseases. Dermatologists prescribed single agents with lower failure rates and costs. The study has implications for health maintenance organizations limiting access to specialists.
Fetal rat skin cells treated with hormone activators formed a competent barrier earlier than control groups, reducing water loss and increasing enzyme activity. This study suggests that hormone activators could be used to promote skin growth in premature infants.
A new strategy to treat and prevent tumors has been developed by University of Pittsburgh researchers using dendritic cells. The approach effectively prevents tumor development in healthy mice and reduces tumors in 80% of mice with established tumors, significantly prolonging their survival.
Research highlights the link between nutrition and nonmelanoma skin cancers, with dietary fat and antioxidant vitamins identified as key factors. Studies have shown that reducing fat intake and increasing consumption of Vitamin C, beta-carotene, and selenium may help lower cancer risk.
A team of researchers at Thomas Jefferson University has developed a transgenic mouse to study the causes and effects of photoaging on human skin. The mouse line enables scientists to learn more about how ultraviolet light rays cause skin aging and wrinkling, and how this can be prevented through better sunscreen formulations.
Researchers at Columbia University have identified the first human gene associated with hair loss, offering new possibilities for treating various forms of alopecia. The 'hairless' gene initiates a cascade of events that stimulate hair growth, potentially leading to more effective treatments and gene therapy.
Researchers at Case Western Reserve University have discovered that epigallocatechin-3-gallate, a green tea compound, can induce programmed cell death in cancer cells without harming healthy cells. This finding offers new hope for cancer prevention and treatment, and may lead to the development of purified polyphenolic derivatives.
Researchers at Penn State are establishing a unique center for the development of ultrasonic transducer/array technology, improving diagnosis for medical conditions like cardiovascular disease and birth defects. The center will focus on developing high-frequency devices and using new materials to create better clinical images.
Researchers at Columbia University Irving Medical Center identified the P-TEN gene as a new breast cancer susceptibility gene. The discovery could lead to better tests for early detection and more effective treatments for women with Cowden's syndrome, an autosomal dominant disorder that increases breast cancer risk by 50-75%.
Engineered Salmonella bacteria, stripped of pathogenicity, target solid tumors in laboratory animals while having little or no adverse effects. The safe versions can significantly prolong the life of mice with melanoma.
A 10-year study found that men and women taking selenium supplements had 41% less total cancer compared to those taking a placebo. The study also showed significant reductions in specific types of cancer, including prostate, esophageal, colorectal, and lung cancers.
Researchers found a 5% increase in sun-protective behaviors among beachgoers who received personalized sun-protection strategies, based on their stage of behavioral change. The study suggests that beaches are an effective site for reaching high-risk sunbathers and promoting behavior change.
An international team of researchers has cloned the human gene responsible for basal cell carcinoma, a common skin cancer. The discovery could lead to novel approaches in preventing and treating the disease, including a potential ointment that controls growth.