12 citations
,
December 1965 in “Immunology and Cell Biology” Mild skin injury can trigger mineral deposits in rat skin, even without full calciphylactic response.
6 citations
,
September 2018 in “ACS applied bio materials” Calcium fatty acid deposits found in human hair can change its appearance and feel.
8 citations
,
May 2008 in “Applied surface science” Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
40 citations
,
March 1991 in “Journal of Investigative Dermatology” 9 citations
,
July 1961 in “Journal of Investigative Dermatology” Cutaneous calcinosis can be induced in young animals using certain compounds, but only in specific areas and with high mortality.
49 citations
,
July 2006 in “British Journal of Dermatology” Calcifying epithelioma cells can differentiate into hair cortex and outer root sheath.
2 citations
,
November 2018 in “Veterinary Dermatology” Poodles' hair changes aren't always linked to calcium, and special staining is needed to detect true calcium deposits.
January 1980 in “中国科学A辑(英文版)” The protein structures in the hair and tendon were preserved, but their molecular arrangements changed.
33 citations
,
October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
8 citations
,
September 2014 in “Journal of X-Ray Science and Technology” High calcium levels in hair may indicate early breast cancer.
Mineral deposits form in hair follicles after skin injury, faster in rats given DHT.
4 citations
,
April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
3 citations
,
April 2017 in “Medicine” An 11-year-old boy in Saudi Arabia has a rare case of hypoparathyroidism with severe brain calcifications but normal development and no known cause.
18 citations
,
February 2015 in “Acta Crystallographica Section D: Structural Biology” The study concludes that certain domains in Clostridium histolyticum enzymes are structurally unique, bind calcium to become more stable, and play distinct roles in breaking down collagen, with potential applications in medicine and drug delivery.
27 citations
,
December 1999 in “American Journal of Dermatopathology” Necrobiosis lipoidica may need new criteria for accurate diagnosis due to similarities with another condition.
2 citations
,
June 2001 in “Medical Electron Microscopy” Trichilemmal cysts may form from hair follicle outer root sheath growth.
April 2024 in “Journal of Cytology” A rare skin tumor with bone formation was successfully removed without recurrence.
1 citations
,
October 2022 in “Veterinary pathology” Some canine hair follicle tumors contain amyloid deposits, with a protein called CK5 involved in their formation.
14 citations
,
June 2005 in “PubMed” A rare ear cyst contained hair fragments.
3 citations
,
July 2011 in “Folia Histochemica et Cytobiologica” Calcium reduces involucrin in rat hair bulbs but doesn't affect filaggrin and Kdap.
May 2025 in “Journal of Developmental Biology” Jawless vertebrates have teeth proteins similar to those in mammalian hair and nails.
August 2022 in “JAAD case reports” A woman with a long-term skin condition developed a serious skin cancer that led to her death.
27 citations
,
December 2005 in “Journal of Cutaneous Pathology” The malignant pilomatricoma showed strong epithelial keratin expression, suggesting it may not calcify.
Cornification is the process where living skin cells die to create a protective barrier, and problems with it can cause skin diseases.
29 citations
,
February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
July 2025 in “Journal of Investigative Dermatology” January 2009 in “한국피부장벽학회지” Calcium is crucial for skin development and healing.
April 2020 in “Journal of the Endocrine Society” An 87-year-old man showed unusual signs of Hodgkin lymphoma, primarily high calcium levels, which improved after treatment and revealed the disease.
September 2024 in “Journal of the American Academy of Dermatology” Early intervention is important for limited systemic sclerosis patients due to higher pain and ulceration risks.
7 citations
,
March 2003 in “Journal de Physique IV (Proceedings)” Calcium soaps are present in human hair and can be removed with acid.