References
- Benn PA, Perle M (1992) Chromosome staining and banding techniques. In: Rooney DE Czepulkowski BH, Eds. Human Cytogenetics, Constitutional Analysis: Practical Approach, Vol 1. Oxford University Press, Oxford, UK. pp. 91–118.
- Borsatto B, Smith M (1996) Reduction of the activity of ribosomal genes with age in Down's syndrome. Gerontology 42: 147–154.
- Buys CH, Osinga J, Anders GJ (1979) Age-dependent variability of ribosomal RNA-gene activity in man as determined from frequencies of silver staining nucleolus organizing regions on metaphase chromosomes of lymphocytes and fibroblasts. Mech. Ageing Dev. 11: 55–75.
- Conboy IM, Conboy MJ, Wagers AJ, Girma ER, Weissman IL, Rando TA (2005) Rejuvenation of aged progenitor cells by exposure to a young systemic environment. Nature 433: 760–764.
- Cotsarelis G (2006) Epithelial stem cells: a folliculocentric view. J. Invest. Dermatol. 126: 459–468.
- Cucer N, Imamoglu N, Tozak H, Demirtas H, Sarac F, Tatlisen A, Ozturk F (2007) Two-dimensional AgNOR evaluation as a prognostic variable in urinary bladder carcinoma: a different approach via total AgNOR area/nucleus area per cell. Micron 38: 4–9.
- Das BC, Rani R, Mitra AB, Luthra UK (1986) The number of silver-staining NORs (rDNA) in lymphocytes of newborns and its relationship to human development. Mech. Ageing Dev. 36: 117–123.
- Denton TE, Liem SL, Cheng KM, Barrett JV (1981) The relationship between ageing and ribosomal gene activity in humans as evidenced by silver staining. Mech. Ageing Dev. 15: 1–7.
- Derenzini M, Hernandez-Verdun D, Pession A, Novello F (1983) Structural organization of chromatin in nucleolar organizer regions of nucleoli with a nucleolonema-like and compact ribonucleoprotein distribution. J. Ultrastruct. Res. 84: 161–172.
- Eroz R, Cucer N, Unluhizarci K, Ozturk F (2010) Evaluation of AgNOR spot number in thyroid papillary carcinoma and normal cells nuclei. J. Health Sci. 19: 102–107.
- Eroz R, Cucer N, Karaca Z, Unluhizarci K, Ozturk F (2011) The evaluation of argyrophilic nucleolar organizing region proteins in fine-needle aspiration samples of thyroid. Endocr. Pathol. 22: 74–78.
- Eroz R, Tasdemir S, Dogan H (2012a) Is there any relationship between decreased AgNOR protein synthesis and human hair loss? Biotech. & Histochem. 87: 494–498.
- Eroz R, Okur M, Ozkan A, Berik O, Gunes C (2012b).Does higher NORs expression affect the developmental stages of Down syndrome infants? Genet. Couns. 23: 249–253.
- Ito M, Liu Y, Yang Z, Nguyen J, Liang F, Morris RJ, Cotsarelis G (2005) Stem cells of the hair follicle contribute to wound repair but not to homeostasis of the epidermis. Nat. Med. 11: 1351–1354.
- Krause K, Foitzik K (2006) Biology of the hair follicle: the basics. Semin. Cutan. Med. Surg. 25: 2–10.
- Krishnamurthy J, Sharpless NE (2007) Stem cells and the rate of living. Cell Stem Cell 1: 9–11.
- Lampel S, Steilen H, Zang KD, Wullich B (1993) Sex chromatin in hair roots 25 years later: fluorescence in situ hybridization of hair root cells for detection of numerical chromosome aberrations. Cytogenet. Cell Genet. 63: 244–246.
- Lezhava TA (1984) The activity of nucleolar organizer regions of human chromosomes in extreme old age. Gerontology 30: 94–99.
- Lindner LE (1993) Improvements in the silver-staining technique for nucleolar organizer regions (AgNOR). J. Histochem. Cytochem. 41: 439–445.
- Meinhardt UJ, Ho KK (2006) Modulation of growth hormone action by sex steroids. Clin. Endocrinol. Oxf. 65: 413–422.
- Oshima H, Rochat A, Kedzia C, Kobayashi K, Barrandon Y (2001) Morphogenesis and renewal of hair follicles from adult multipotent stem cells. Cell 104: 233–245.
- Paus R, Foitzik K (2004) In search of the “hair cycle clock”: a guided tour. Differentiation 72: 489–511.
- Pedrazzini E, Mamaev N, Slavutsky I (1998) Age related decrease of NOR activity in bone marrow metaphase chromosomes from healthy individuals. Mol. Pathol. 51: 39–42.
- Pich A, Chiusa L, Navone R (2004) Prognostic relevance of cell proliferation in head and neck tumours. Ann. Oncol. 15: 1319–1329.
- Styne DM (1994) Physiology of puberty. Horm. Res. 2: 3–6.
- Thomas S, Mukherjee AB (1996) A longitudinal study of human age-related ribosomal RNA gene activity as detected by silver-stained NORs. Mech. Ageing Dev. 92: 101–109.
- Trere D (2000) AgNOR staining and quantification. Micron 31: 127–131.
- Zouboulis CC, Adjaye J, Akamatsu H, Moe-Behrens G, Niemann C (2008) Human skin stem cells and the ageing process. Exp. Gerontol. 43: 986–997.