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'Allergy cells' can aggravate cancer and psoriasis

Researchers at Karolinska Institutet found that mast cells can contribute to diseases like psoriasis and cancer through a previously unknown activation mechanism. The study suggests that the CD30 protein stimulates mast cell release of proteins regulating inflammatory cell recruitment.

SourceKarolinska Institutet·JournalJournal of Clinical Investigation·DateSep 8, 2006

JCI table of contents: September 7, 2006

Scientists develop method to introduce purine nucleoside phosphorylase (PNP) enzyme into cells of mice with genetic defect, potentially leading to treatment for individuals lacking PNP. Research also sheds light on scavenger receptor BI's role in protecting against heart disease.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 7, 2006

JCI table of contents: August 1, 2006

A new study published in the Journal of Clinical Investigation found that marijuana use at conception and early pregnancy can prevent embryos from safely passing to the uterus, leading to early pregnancy failure. The study also showed that THC, a psychoactive component of marijuana, can swamp normal signaling systems, causing implantat...

SourceJCI Journals·JournalJournal of Clinical Investigation·DateAug 1, 2006

Study compares treatments for chronic plaque psoriasis

A randomized, double-blind trial found PUVA therapy to be more effective than NB-UVB in treating moderate-to-severe plaque psoriasis. Patients treated with PUVA achieved skin clearance in a significantly shorter number of treatments and had a higher rate of sustained clearance.

SourceJAMA Network·JournalArchives of Dermatology·DateJul 17, 2006

Smoking associated with severity of psoriasis

A cross-sectional study found that smoking was associated with increased risk of more severe psoriasis among adults. Cigarette-years significantly increased the risk of clinically more severe psoriasis, with stronger effects observed in women than men.

SourceJAMA Network·JournalArchives of Dermatology·DateDec 19, 2005

Drug breakthrough for psoriasis sufferers

The European Infliximab for Psoriasis Efficacy and Safety Study (EXPRESS) found that 80% of patients achieved at least a 75% improvement in symptoms after ten weeks treatment with the drug. The study showed significant skin clearance and nail psoriasis response in moderate to severe psoriasis sufferers.

SourceUniversity of Manchester·JournalThe Lancet·DateOct 13, 2005

What causes psoriasis?

Researchers at the Research Institute of Molecular Pathology in Vienna have developed an animal model for psoriasis, revealing that epidermal alterations can initiate skin lesions and arthritis. The discovery challenges long-held beliefs about autoimmune diseases and provides a powerful tool for future studies.

Possible new cure for psoriasis

Researchers at the University of Bonn have found a new effective therapy for psoriasis by blocking the division of epidermis cells. The treatment, which uses metalloproteinase inhibitors, has shown no toxic side effects and may provide a promising solution for the condition.

SourceUniversity of Bonn·JournalJournal of Investigative Dermatology·DateAug 16, 2004

Multiple factors affect psoriasis treatment compliance

A study of 201 patients with psoriasis found that women had higher medication adherence rates than men, while single people and unemployed individuals had lower rates. The researchers identified factors affecting compliance, including facial disease, extent of involvement, and self-image, which can lead to psychological disturbance.

SourceJAMA Network·JournalArchives of Dermatology·DateApr 19, 2004

Psoriasis may increase risk for certain cancers

A study published in Archives of Dermatology found that people with psoriasis are at a higher risk for developing certain types of cancers, including lymphoma. The research suggests an almost three-fold increased rate of lymphoma in patients with psoriasis compared to those without the condition.

SourceJAMA Network·JournalArchives of Dermatology·DateNov 17, 2003

JCI Table of Contents, November 14, 2003

Two independent studies successfully selected and expanded gene-corrected human stem cells using a novel drug-resistance gene. This breakthrough may be useful in human clinical trials of gene therapy for bone marrow transplantation settings. Additionally, upregulation of Irs2 promotes beta cell growth, survival, and insulin secretion, ...

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 14, 2003

Wake Forest study shows women suffer from 'gender gap' in treatment of severe psoriasis

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.

SourceAtrium Health Wake Forest Baptist·JournalJournal of the American Academy of Dermatology·DateApr 2, 2000