January 2025 in “Diagnostics” Women with PCOS have distinct retinal changes compared to healthy women.
August 2021 in “International Journal of Research in Dermatology” Amarantha hair oil contains β-sitosterol, which helps promote hair growth.
September 2023 in “Forum Dermatologicum” Various treatments for common hair loss in men and women are effective, but should be tailored to individual needs and potential side effects.
August 2019 in “Journal of The American Academy of Dermatology” PFD patch helps laser tattoo removal, trichoscopy diagnoses AGA, and serum boosts SOD activity.
115 citations
,
October 2003 in “Journal of Neuroscience” Aβ afferents do not sprout into the superficial spinal cord layers after nerve injury.
62 citations
,
July 1993 in “Journal of Investigative Dermatology” Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.
57 citations
,
January 2014 in “Cold Spring Harbor Perspectives in Medicine” Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.
19 citations
,
March 2017 in “PLoS ONE” PSU are better than THF at regenerating skin layers in lab models.
November 2023 in “npj regenerative medicine” Skin spheroids with both outer and inner layers are key for regrowing skin patterns and hair.
351 citations
,
February 2010 in “Nature Cell Biology” Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.
129 citations
,
May 2015 in “Cell Stem Cell” Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.
90 citations
,
February 2013 in “The Journal of Clinical Endocrinology and Metabolism” Women with PCOS have more body fat and thicker fat layers in certain abdominal areas than women without PCOS.
36 citations
,
February 2018 in “British Journal of Dermatology” Sweat glands and hair follicles are structurally connected within a specific layer of skin fat.
18 citations
,
May 2018 in “International Journal of Molecular Sciences” Human body's immune cells are more common in the layer of fat just beneath the skin than in deeper fat layers.
14 citations
,
April 2019 in “Genes” Researchers found a genetic region that influences the number of coat layers in dogs.
4 citations
,
January 2000 Piedraia hortae fungi dissolve both the outer and inner layers of hair.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
12 citations
,
February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
4 citations
,
October 2017 in “Advances in tissue engineering & regenerative medicine” Researchers created a potential skin substitute using a biodegradable mat that supports skin cell growth and layer formation.
2 citations
,
April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The skin's basement membrane is specially designed to support different types of connections between skin layers and hair follicles.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
4 citations
,
March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
1 citations
,
July 1973 in “British Journal of Dermatology” The document concludes that secondary syphilis cases are increasing and often misdiagnosed, pityriasis rubra pilaris can be distinguished from psoriasis by skin cell features, and different skin layers produce specific components during skin repair.
45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
January 2020 in “Korean journal of ophthalmology/Korean Journal of Ophthalmology” Minoxidil increases cell layer permeability by reducing tight junction proteins and raising ROS levels.
21 citations
,
March 2018 in “American Journal Of Pathology” Mutations in NIPAL4 cause skin issues by disrupting lipid layers, but some improvement is seen with topical treatment.
1 citations
,
June 1987 in “British Journal of Dermatology” Patterned hair loss is relatively common in women and not usually a sign of serious health issues.
81 citations
,
January 1987 in “Current topics in developmental biology/Current Topics in Developmental Biology” Keratins change and are modified differently in skin layers and body parts.
18 citations
,
August 2017 in “PLOS ONE” Skin and its underlying fat layer act together to resist mechanical stress, and reinforcing this composite structure may help more with anti-aging than just strengthening the skin alone.