Showing posts with label melanoma. Show all posts
Showing posts with label melanoma. Show all posts

Tuesday, 2 April 2019

Acquired Leukoderma Linked To Immune System Dysfunction

Acquired Leukoderma Linked To Immune System Dysfunction.
Scientists have discovered several genes linked to acquired leukoderma (vitiligo) that ratify the coat condition is, indeed, an autoimmune disorder. Vitiligo is a pigmentation disarrange that causes white splotches to appear on the skin; the lately pop star Michael Jackson suffered from the condition. The finding could lead to treatments for this confounding condition, the University of Colorado researchers said.

So "If you can grasp the pathway that leads to the making an end of of the skin cell, then you can block that pathway," reasoned Dr Doris Day, a dermatologist with Lenox Hill Hospital in New York City. More surprisingly, however, was an subordinate exploration related to the deadly skin cancer melanoma: People with vitiligo are less likely to ripen melanoma and vice-versa.

But "That was absolutely unexpected," said Dr Richard A Spritz, skipper author of a paper appearing in the April 21 online issue of the New England Journal of Medicine. This finding, too, could principal to better treatments for this insidious skin cancer. Vitiligo, match a collection of about 80 other diseases including rheumatoid arthritis, type 1 diabetes and lupus, was strongly suspected to be an autoimmune malady in which the body's own immune pattern attacks itself, in this case, the skin's melanocytes, or pigment-producing cells.

People with the disorder, which typically appears around the long time of 20 or 25, develop white patches on their skin. Vitiligo it is fairly common, affecting up to 2 percent of the population. But the puzzle of whether or not vitiligo really is an autoimmune complaint has been a controversial one a professor in the Human Medical Genetics Program at the University of Colorado School of Medicine in Aurora.

At the urging of various forbearing groups, these authors conducted a genome-wide association study of more than 5,000 individuals, both with and without vitiligo. Several genes found to be linked with vitiligo also had associations with other autoimmune disorders, such as model 1 diabetes and rheumatoid arthritis.

Saturday, 5 January 2019

Calcium And Vitamin D Reduce The Risk Of Skin Tumors

Calcium And Vitamin D Reduce The Risk Of Skin Tumors.
Certain women at imperil for developing melanoma, the most life-threatening form of skin cancer, may hew down the likelihood in half by taking vitamin D with calcium supplements, a new study suggests. "It looks disposed to there is some promising evidence for vitamin D and calcium for prevention of melanoma in a high-risk group," said premier danseur researcher Dr Jean Tang, an assistant professor of dermatology at Stanford University School of Medicine.

The women most at endanger of developing the life-threatening cancer are those who have had a one-time non-melanoma form of skin cancer, such as basal cell or squamous cell cancer, the researchers said. Vitamin D and calcium are acknowledged for their roles in bone growth, but they also affect other cells in the body. Some studies have shown that vitamin D and calcium are associated with humiliate risk of colon, breast, prostate and other cancers, the researchers said.

Tang speculated that cancer cells lurking in the coating of women who have had a anterior skin cancer may be waiting to develop into melanoma. "But if they take calcium and vitamin D that reduces the danger of developing an actual tumor". As little as 400 worldwide units (IU) of vitamin D daily may be protective.

The US Institute of Medicine now recommends 600 IU of vitamin D daily. Calcium has also been shown to limit tumor swelling in patients with colon cancer. "So maybe calcium has a role, too. I can't aver whether it was the calcium or the vitamin D that was important". But the combination seemed to convey a benefit.

Whether these results would be seen in men or childish women isn't known. But an earlier study led by Tang found a profit from vitamin D in reducing the risk of melanoma among older men. "More studies for to be done, because we want to make sure these results are true in other communities".

The news was published in the June 27 2011 online edition of the Journal of Clinical Oncology. For the study, Tang's duo collected data on 36282 postmenopausal women, 50 to 79 years old, who took section in the Women's Health Initiative study.

Sunday, 13 May 2018

Daily Use Of Sunscreen Reduces The Risk Of Melanoma Twice

Daily Use Of Sunscreen Reduces The Risk Of Melanoma Twice.
Applying sunscreen every lifetime to the head, neck, arms and hands reduced the chances of getting melanoma by half, a callow examination has found. Researchers in Australia divided more than 1,600 pale adults ages 25 to 75 into two groups. One group was told to rub in skin cancer daily to the head, neck, hands and arms for five years between 1992 and 1996. The other organization was told to use sunscreen only as often as they wished. Researchers then kept up with the participants for the next 10 years using annual or twice-yearly questionnaires.

During that period, 11 race who used sunscreen every day were diagnosed with melanoma compared to 22 people in the "discretionary" use group, though the result was of "borderline statistical significance," according to the study. Sunscreen also seemed to nurture from invasive melanomas, which are harder to cure than outside melanomas because they have already spread to deeper layers of the skin.

Only three people in the daily sunscreen accumulation developed one of these invasive melanomas compared to 11 in the discretionary sunscreen group, a 73 percent difference. "We have known for along stretch that sunscreen prevents squamous and basal cell carcinomas but the statistics on melanoma has been a little bit confusing," said Dr Howard Kaufman, supervisor of the Rush University Cancer Center in Chicago and a melanoma expert who was not involved with the research. "This is a well-controlled look at that took into account variables such as how much time people spent in the sun. From the data, it appears wearing sunscreen does turn the risk of melanoma".

Participants were also given 30 mg of either the nutrient beta carotene, which has been regarded to help protect from skin cancer, or a placebo. However, the learn found beta carotene had no effect. The findings are published in the Dec 6, 2010 stem of the Journal of Oncology. Some funding was provided by L'Oreal, which makes products that include sunscreen.

Tuesday, 24 January 2017

Painkillers Tablets To Prevent Cancer

Painkillers Tablets To Prevent Cancer.
The medicament painkiller Celebrex might domestic prevent non-melanoma skin cancers, a small study suggests. But one dab hand was quick to note that the drug, which is most commonly used to counter the pain of arthritis, has been linked in some studies to an extend in the risk for cardiovascular problems. So it isn't yet clear that Celebrex (celecoxib) is an ideal alternative to prevent cancers that could be treated by other means. "We have a lot of different treatments for non-melanoma skin cancers," well-known Dr Doris Day, a dermatologist at Lenox Hill Hospital in New York City. "I would want more advice regarding the mechanism of action of Celebrex, because of the other risks".

The report, funded by the US National Cancer Institute and Pfizer, the maker of Celebrex, is published in the Nov 29, 2010 online issue and the Dec 15, 2010 lithograph issue of the Journal of the National Cancer Institute. Non-melanoma coating cancers are common, comprising "the most prevalent malignancies in the United States with an frequency equivalent to all other cancers combined," according to study lead author Dr Craig A Elmets, a professor of dermatology at the University of Alabama at Birmingham. These tumors take in basal chamber and squamous cell carcinomas of the skin, which are typically linked to overexposure to UV rays from the Sol or indoor tanning booths.

Currently, there are no US Food and Drug Administration (FDA)-approved agents for the halt of non-melanoma skin cancers, although sunscreens are widely recommended for this purpose. "However, even sunscreens are only modestly operational at preventing non-melanoma skin cancers. The demo that celecoxib can prevent these common malignancies heralds an entirely new approach for the prevention of these banal malignancies".

Wednesday, 1 June 2016

Addiction To Tanning Greatly Increases The Risk Of Skin Cancer

Addiction To Tanning Greatly Increases The Risk Of Skin Cancer.
People who use tanning beds to dungeon that year-round ablate are dramatically increasing their endanger for developing melanoma, the deadliest of skin cancers, a new study finds. In fact, the more you tan and the longer you tan, the more the chance increases. "We found the risk of melanoma was 74 percent higher in persons who tanned indoors than in persons who had not," said hero researcher DeAnn Lazovich, an affiliate professor at the division of epidemiology and community health at the University of Minnesota. "We also found that kith and kin who tanned indoors a lot were 2,5 to 3 times more likely to develop melanoma than men and women who had never tanned indoors".

In the context of the study, "a lot" of indoor tanning meant a amount of at least 50 hours of tanning bed exposure, or more than 100 sessions, or at least 10 years of scheduled tanning bed use. The report is published in the May 27 point of Cancer Epidemiology, Biomarkers & Prevention. For the study, Lazovich's body collected data on melanoma cases in Minnesota from 2004 through 2007. The researchers also conducted interviews and had patients faultless questionnaires about indoor tanning, including the devices used, when the individual began tanning and for how long.

The researchers found that among 1167 people with melanoma, almost two-thirds (63 percent) had in use tanning beds. Among those who used tanning beds, the risk for developing melanoma rose 74 percent, Lazovich's conglomeration found. The risk for melanoma was significant whether the tanning beds reach-me-down both UVA and UVB rays or UVA rays only.

For beds using UVA rays, the jeopardy of melanoma was increased 4,4 - fold. "What is unique about our results are that they are very consistent. We found these relationships whether we looked at it by age, by gender, by where the tumor was found or by how we measured how much folk tanned or what kind of devices they used".

Lazovich noted that the danger is particularly acute among puerile women who seem to have a predilection for indoor tanning. "Indoor tanning is an underappreciated problem, especially among innocent women. More young women tan indoors than smoke cigarettes, and melanoma is the next most common cancer diagnosed in young women. And there is evidence that the incidence of melanoma is increasing in babies women. It's time to pay a little more attention to this as a risk factor that is avoidable".

Thursday, 30 April 2015

Morning Coffee Protect You Against Melanoma

Morning Coffee Protect You Against Melanoma.
Your matinal coffee might do more than revive you up. Researchers suggest it also might help protect you against melanoma, the deadliest form of skin cancer. Coffee drinkers are less in all probability to suffer from malignant melanoma, and their risk decreases somewhat with every cup they swallow, according to findings published Jan 20, 2015 in the Journal of the National Cancer Institute. "We found that four or more cups of coffee per light of day was associated with about a 20 percent reduced jeopardize of hateful melanoma," said lead author Erikka Loftfield, a doctoral swot at Yale University School of Public Health who is completing her dissertation work at the US National Cancer Institute.

Previous experimentation has shown that coffee drinking could protect against less deadly forms of skin cancer, clearly by mitigating the damage to skin cells caused by the sun's ultraviolet rays, the researchers said in family notes. They decided to see if this protection extended to melanoma, the cardinal cause of skin cancer death in the United States and the fifth most common cancer. In 2013, there were an estimated 77000 recent cases of melanoma and about 9500 deaths from the cancer, according to the study.

The researchers gathered text from a study run by the US National Institutes of Health and AARP. A nutriment questionnaire was sent to 3,5 million AARP members living in six states: California, Florida, Louisiana, New Jersey, North Carolina and Pennsylvania; as well as two cities, Atlanta and Detroit. The questionnaire yielded coffee drinking info for nearly 447400 cadaverous seniors in 1995 and 1996, and researchers followed up with the participants for about 10 years on average.

All participants were cancer-free when they filled out the questionnaire, and the researchers adjusted for other factors that could power melanoma risk. These included ultraviolet emanation exposure, body better index, age, sex, carnal activity, fire-water intake and smoking history. They found that people who drank the most coffee every day enjoyed a debase risk of melanoma, compared with those who drank little to no coffee.

Thursday, 13 February 2014

A New Drug For The Treatment Of Skin Cancer Increases The Survival Of Patients

A New Drug For The Treatment Of Skin Cancer Increases The Survival Of Patients.
Scientists give the word that a imaginative drug to bonus melanoma, the first in its class, improved survival by 68 percent in patients whose disease had blanket from the skin to other parts of the body. This is big news in the field of melanoma research, where survival rates have refused to budge, in spite of numerous efforts to come up with an effective treatment for the increasingly common and harmful skin cancer over the past three decades. "The last time a drug was approved for metastatic melanoma was 12 years ago, and 85 percent of woman in the street who take that slip have no benefit, so finding another drug that is going to have an impact, and even a bigger impact than what's out there now, is a vital improvement for patients," said Timothy Turnham, executive director of the Melanoma Research Foundation in Washington, DC.

The findings on the drug, called ipilimumab, were reported simultaneously Saturday at the annual engagement of the American Society of Clinical Oncology (ASCO) in Chicago and in the June 5 online young of the New England Journal of Medicine. Ipilimumab is the principal in a new class of targeted T-cell antibodies, with possibility applications for other cancers as well.

Both the incidence of metastatic melanoma and the eradication rate have risen during the past 30 years, and patients with advanced disease typically have small treatment options. "Ipilimumab is a human monoclonal antibody directed against CTLA-4, which is on the surface of T-cells which fray infection ," explained lead study author Dr Steven O'Day, top dog of the melanoma program at the Angeles Clinic and Research Institute in Los Angeles. "CTL is a very notable break to the immune system, so by blocking this break with ipilimumab, it accelerates and potentiates the T-cells. And by doing that they become activated and can go out and use up the cancer.