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Palliative chemotherapy is cost-effective for advanced gastric and colorectal cancer but not clearly for pancreatic-biliary cancer.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Researchers developed promising agents for prostate cancer imaging, with the best one showing high potential for clinical use.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.

Aging causes skin stem cells to work less effectively.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

Transplant success has improved with better immunosuppressive drugs and donor matching.

K6hf is a unique protein found only in a specific layer of hair follicles.

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.

Matriptase is crucial for keeping epithelial tissues healthy and functioning properly.

The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.

Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

PRP treatment improves hair growth, and the device used can affect results, with some being more effective.

Exosomes could potentially enhance tissue repair and regeneration with lower rejection risk and easier production than live cell therapies.

Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.

Adam10 enzyme is crucial for healthy skin and proper Notch signaling.

Human dermal fibroblasts are the main cells targeted by a virus that can cause a deadly skin cancer, and a certain inhibitor can effectively block this infection.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

Electrolysis is effective for permanent hair removal, but technique is key to avoid scarring, and sometimes hormonal treatment is needed for women with hirsutism.

The conclusion is that PCOS is caused by ovarian sensitivity to hormones and disrupted hormone control, possibly due to ovarian factors, and more research is needed.

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.

The conclusion is that Treg-targeted therapies have potential, but more knowledge of Treg biology is needed for effective treatments, including for cancer.

Allergic reactions to blood thinners are rare but can be serious, requiring careful testing and alternative treatments.