Articles tagged with Cancer Treatments
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Researchers discovered that targeting mutant B-Raf protein can prevent the spread of melanoma and halt tumor growth. Lowering mutant B-Raf activity reduced melanoma development in human cells, providing a potential breakthrough for treating this aggressive form of skin cancer.
HHMI has tapped two Long Island researchers, Scott Lowe and Gregory Hannon, as among the nation's most promising scientists. The Institute is investing over $300 million in their research over the next seven years.
A study analyzed data from over 7,300 people infected with HIV and found that HAART treatment can lower the risk of Kaposi sarcoma and non-Hodgkin lymphoma. However, no significant reduction in risk was observed for other types of cancer. Smoking is a major risk factor for lung cancer among people with HIV.
Researchers at Newcastle University tested a cancer virotherapy on two patients with advanced melanoma, finding no systemic toxic effects. The administration of CVA21 virus directly into cancerous tumors was well-tolerated and showed promise in controlling the spread of melanoma.
Researchers discovered that DJ-1 negatively regulates PTEN function, suggesting a potential link between high DJ-1 levels and enhanced cancer cell survival. Elevated DJ-1 levels were associated with poor prognosis in lung cancer patients and may serve as a prognostic marker for cancer patients.
Researchers investigated polo like kinase-1 (PLK-1) siRNA in mice with bladder cancer, finding that intravesical administration of the inhibitor reduced cell proliferation and killed cancer cells. PLK-1 siRNA also prevented growth of bladder cancer in mouse models.
Researchers develop small interfering RNA technology to silence a gene involved in cancer progression, reducing cell proliferation and killing cancer cells. Additionally, inhibiting stearoyl-CoA desaturase-1 decreases body fat and prevents obesity, validating SCD1 as a potential target for pharmacological intervention.
Researchers have developed a gene therapy that completely cures Crigler-Najjar syndrome, a liver disease, in rats using a specially designed adenovirus. The treatment has no long-term effect and poses no risk of cancer, making it a promising approach for treating other diseases with similar genetic deficiencies.
Researchers found high quantities of the L1 protein, typically found in nerve cells, exclusively in aggressive and invasive front of colon cancer tumors. The discovery may lead to novel ways of diagnosing colon cancer and developing its therapy, as L1 plays a crucial role in tumor cell motility and invasion.
A new study found that colorectal cancer screening strategies had similar participation rates, regardless of the screening method offered. Tamoxifen use was also associated with an increased risk of endometrial cancer in both pre- and postmenopausal women.
Researchers found BDNF is as effective as VEGF in inducing growth of tiny blood vessels in organs with TrkB-expressing cells. It recruits blood stem cells that contribute to neo-angiogenesis, providing a novel therapeutic protein for organ-specific angiogenesis.
Research found that hormone therapy for prostate cancer can lead to temporary declines in visual memory and recognition speed. However, cognitive function appears to be well preserved despite these changes.
New studies suggest that blocking estrogen may be essential to slowing the spread of lung cancer. Researchers found that a combination therapy targeting both estrogen and epidermal growth factor receptors resulted in a 59% tumor volume decrease.
A study by Harvard Medical School researchers found that older doctors are less likely to follow current medical standards, with declining performance over time. The findings suggest that quality improvement interventions targeting all physicians, including those who have trained recently, may be necessary to update knowledge and tools.
A mouse model of leukemia reveals a causal link between Shp2 mutations and leukemia, pointing to these mutants as attractive therapeutic targets. The study's findings suggest that current treatments are often ineffective and highlight the need for clinical trials of Ras/Mek inhibitors.
The American Association for Cancer Research (AACR) has awarded four faculty members from Minority-Serving Institutions for their meritorious work in basic, clinical, or translational cancer research. The awardees attended special conferences focused on oncogenesis and oncogenomics.
Researchers have developed a zebrafish model that shows human BRAF mutations can induce dramatic black pigmentation and aggressive melanomas. The study also found that p53 deficiency is crucial for melanoma development, providing new insights into melanoma genetics and drug development.
A new study published in PNAS demonstrates a gene therapy technique that targets and destroys cancer cells while leaving normal cells unharmed. The technique exploits specific molecules found in cancer cells, allowing it to selectively kill tumors such as prostate, ovarian, breast, brain, and skin cancers.
Researchers have identified integrin [alpha]v[beta]6 as a key risk factor for developing early-stage colorectal cancer. The molecule's high levels are also predictive of patient survival, with low expression associated with better outcomes.
A new technique allows for successful cord blood transplants in high-risk acute and chronic leukemia patients, with disease-free survival rates of 57% at one year. The study's findings offer hope to thousands more patients who were previously ineligible due to lack of suitable donor units.
The study identified specific characteristics of tissues removed during surgery as risk factors for endometrial cancer recurrence. Approximately one-third of patients with endometrial cancer in the US may benefit from enrollment in clinical trials addressing new treatment approaches.
The Chicago Biomedical Consortium has awarded a $1.5 million grant to the University of Illinois Chicago for its Proteomics/Bioinformatics Demonstration Project. This project will utilize advanced technology, including a Fourier Transform Mass Spectrometer, to study proteins and their interactions.
A study of physicians' experiences with religious conflicts in medicine found that certain cases can push doctors over the threshold towards negotiation and persuasion. Doctors described strategies such as encouraging prayer as an adjunct to medicine or appealing to the patient's religious community to navigate these tensions.
Pegylated interferon-alpha shows promise in treating chronic hepatitis B infection, with higher sustained viral response rates compared to monotherapy. The study highlights the importance of hepatitis B virus genotype as a predictor of treatment response.
A study published in Cancer Research found that BPA exposure can lead to increased cancer cell growth in prostate cancer cells with mutated androgen receptors. This discovery has implications for men diagnosed with BPA-susceptible mutations, who may be at higher risk of cancer progression.
Researchers discovered three proteins, HIRA, ASF1a, and PML, that contribute to the formation of senescence-associated heterochromatin foci (SAHF), which silences genes promoting cell growth. This finding may lead to new cancer treatments and a better understanding of human aging.
The American Association for Cancer Research and The V Foundation are awarding $600,000 in grants to four cancer research teams, led by top scientists, to accelerate progress against cancer. The grants will support translational research projects that aim to improve survival and quality of life for patients.
Researchers have developed a new mouse model of Leber congenital amaurosis, a rare form of childhood blindness. The model, which lacks the AIPL1 gene, closely mimics the inherited human disease and shows severe retinal degeneration starting around two weeks of life.
Researchers found that celecoxib reduced estrogen receptor expression by an average of 9% after six months of treatment. This finding confirms celecoxib's antiproliferative properties and suggests a new potential therapeutic approach for breast cancer prevention.
Research found a high correlation between tumor responses based on tumor density and biologic changes in gastrointestinal tract tumors. Monitoring only tumor size to judge treatment effectiveness proved unreliable, highlighting the need to evaluate biologic changes as well.
A study of 109 patients found that combining MRI and ultrasound can significantly improve quality of life scores for women with uterine fibroids. The procedure is completely non-invasive and safe, with few side effects.
A study found that the renin-angiotensin system may be associated with physical function in older adults, and that ACE gene variants can affect exercise response. Additionally, researchers discovered a potential link between this system and cognitive impairment, suggesting new avenues for intervention.
A recent study found that combining ultrasound with tissue plasminogen activator (t-PA) therapy significantly improves outcomes for patients suffering from ischemic strokes. The results show a 49% increase in dramatic clinical improvement and significant blockage reduction compared to traditional t-PA treatment alone.
A study of over 1,200 men who have sex with men found a 57% prevalence rate of anal HPV infection, which did not change with age or city. High-risk HPV types were present in 26% of infected men, suggesting a high risk for anal cancer.
Researchers discovered that the HER2/ERBB3 pathway regulates androgen receptor function, contradicting previous beliefs about EGFR's role. This finding may explain limited success of Gefitinib, an EGFR inhibitor, in treating hormone-refractory prostate cancer.
Research investigates the relationship between antioxidants and carcinogenesis, including the use of ß-carotene in cancer prevention. Studies also explore the formation of aldehydes as a central concern of oxidant stress for cancer therapy. Key findings include varying levels of individual antioxidants according to disease status.
Researchers challenge traditional hypotheses on Crohn's disease, suggesting a more complex role for cytokines in the immune response. This could lead to new treatment strategies involving the blockade of multiple cytokines.
The Weizmann Institute will receive a $8 million grant from FAMRI to focus on lung cancer research related to second-hand and mainstream tobacco smoke. Researchers from the institute and Sheba Medical Center will collaborate to advance treatment protocols.
Researchers found a correlation between the presence of the CXCR3 protein and increased survival in Stage III metastatic melanoma patients. This discovery may lead to improved vaccines that 'turn-on' cancer-killing immune cells and instruct them to find tumors.
Researchers found that adding alcohol injections to RFA significantly improved treatment outcomes, eradicating 34 of 41 liver tumors with no bowel-related complications. The combination therapy also showed promise for treating large tumors and other types of tumors in the body.
Cryptosporidium hominis is a highly contagious parasite that causes watery diarrhea and can lead to dehydration, weight loss, and stomach cramps. The decoded genome sequence holds promise for developing preventive vaccines and pharmaceutical treatments.
Researchers at Children's Hospital of Philadelphia found that family therapy significantly reduced post-traumatic stress symptoms in adolescent cancer survivors. The treatment combined cognitive-behavioral therapy with family therapy and showed strongest effects on adolescents and their fathers.
A pilot study found that Cenestin reduced hot flashes and night sweats in post-menopausal women by 79% and improved overall sleep quality. The study also showed a significant reduction in galvanic skin responses, indicating better sweat gland activity.
Researchers used a mouse model to show that TGF-b production in tumor-infiltrating T lymphocytes is crucial for colon cancer progression. Inhibition of IL-6 trans-signaling prevented tumor growth, suggesting novel therapeutic approaches for colorectal cancer.
Researchers discovered a previously undiscovered variant of tumor-suppressor TrkA, called TrkIII, associated with childhood cancer progression. Elevated TrkIII levels in advanced stage tumors suggest its role in cancer progression, and preventing its generation may inhibit disease progression.
A recent study published by the American Association for Cancer Research found that men with high-grade prostate intraepithelial neoplasia (PIN) are at a higher risk of developing invasive prostate cancer. Within one year, men in the placebo group had a 31.4% risk of being diagnosed with prostate cancer.
A new study links increased domestic production of betel quid to the incidence of head and neck cancer in Taiwan, with a strong cohort effect observed for men born between 1972-1980. The study suggests a correlation between betel quid usage and head and neck cancer incidence.
A new study identifies actinonin-based antibiotics as a potential treatment for cancer. Human mitochondrial peptide deformylase is found to be a key target in this approach, offering new avenues for cancer research and therapy.
Researchers at Massachusetts General Hospital found that patients use laughter to convey emotional intensity during psychotherapy, while therapists' laughter magnifies this effect. The study suggests that therapists should pay attention to when patients laugh, as it may indicate the need for further exploration of emotions.
A study found that CyberKnife radiosurgery successfully controls growth and progression of symptomatic benign tumors, improving symptoms in 78% of patients. The treatment has a high local control rate of 96%, offering a promising option for patients not candidates for surgery.
A study found that even healthy subjects experience declines in sexual function over five years, but patients treated for prostate cancer show much greater decline with significant impact on urinary function. Men undergoing radical prostatectomy are particularly affected.
A study has identified two distinct subclasses of liver cancer with differing survival rates, providing new molecular insight into the pathogenesis of hepatocellular carcinoma. The findings suggest that gene expression profiles can accurately predict patient survival and may lead to the development of more targeted therapies.
A study by Thomas Stamey and colleagues found that the correlation between PSA levels and prostate cancer severity has decreased over time, making the test less useful for early detection. Instead, they recommend a yearly digital rectal exam for men over 50.
Researchers found that Stat3 is required for skin cancer initiation and maintains cellular growth through expansion of initiated cells. Inhibiting Stat3 function impairs tumor growth, suggesting its potential as a target for cancer therapy.
A Nordic study found statins decrease mortality rate and incidence of cancer over 10-year follow-up. Statin therapy with simvastatin reduced cardiovascular and coronary mortality, with a 17% reduction in cardiovascular mortality.
The study provides new insights into Epstein-Barr virus and its role in autoimmune diseases such as lupus, arthritis, and multiple sclerosis. Researchers found that the virus causes abnormal survival and activation of B cells, leading to excess auto-antibodies.
Researchers found that short-term hormone therapy can be beneficial for women with mild to severe menopausal symptoms, but may not be suitable for those at high risk of cardiovascular disease. The study suggests that the decision to use hormone therapy should be based on individual goals and CVD risk.
PET scans improved detecting distant metastases with an accuracy of 85%, compared to 55% for current standard diagnostics. The technique also showed high accuracy in diagnosing locoregional disease, surpassing current practice by 24 percentage points.
YY1 regulates p53 at multiple levels, decreasing its amount in cells and blocking its interaction with cofactors. This discovery offers new targeting options for therapies to prevent transcription factors from interacting with other proteins.
Recent court cases show patients sued doctors for delayed breast cancer diagnosis, with average awards being $250,000. Dr. Berlin argues that mammography is not perfect and overzealousness in radiology communities led to unfounded fears among women.