Publications / Publikationen

• Dittmar M, Woletz K, Kahaly GJ (2012) Reduced DNASE1 gene expression in thyroid autoimmunity. Hormone and Metabolic Research DOI http://dx.doi.org/10.1055/s-0032-1330014.
• Seeck-Hirschner M, Baier PC, Weinhold SL, Dittmar M, Heiermann S, Aldenhoff JB, Göder R (2012) Declarative memory performance is associated with the number of sleep spindles in elderly women. American Journal of Geriatric Psychiatry 20:782-788.
• Olbrich D, Dittmar M (2012) The cortisol awakening response is related with PERIOD1 clock gene expression in older women. Experimental Gerontology 47:527-533.
• Mally K, Dittmar M (2012) Comparison of three segmental multifrequency bioelectrical impedance techniques in healthy adults. Annals of Human Biology 39:468-478.
• Khalaj-Hedayati K, Dittmar M (2011) Body circumferences are predictors of weight adjusted resting energy expenditure in older people. Journal of Nutrition Health and Aging 15:803-808.
• Olbrich D, Dittmar M (2011) Older poor-sleeping women display a smaller evening increase in melatonin secretion and lower values of melatonin and core body temperature than good sleepers. Chronobiology International 28:681-689.
• Heiermann S, Khalaj-Hedayati K, Müller MJ, Dittmar M (2011) Accuracy of a portable multisensor body monitor for predicting resting energy expenditure in older people – a comparison with indirect calorimetry. Gerontology 57:473-479.
• Mally K, Dettbarn K, Dittmar M (2011) Influence of electrode position on segmental resistance, reac-tance, and phase angle values. International Journal of Body Composition Research 9:25-32.
• Dittmar M, Libich C, Brenzel T, Kahaly GJ (2011) Increased familial clustering of autoimmune thyroid diseases. Hormone and Metabolic Research 43:200-204.
• Mally K, Trentmann J, Heller M, Dittmar M (2011) Reliability and accuracy of segmental bioelectrical impedance analysis for assessing muscle and fat mass in older Europeans – a comparison with dual-energy X-ray absorptiometry. European Journal of Applied Physiology 111:1879-1887.
• Dittmar M, Kahaly GJ (2010) Genetics of the autoimmune polyglandular type 3 variant. Thyroid 20:737-743.
• Rottgardt I, Rothhammer F, Dittmar M (2010) Native highland and lowland populations differ in gamma globin gene promoter polymorphisms related to altered fetal hemoglobin levels and delayed fetal to adult globin switch after birth. Anthropological Science 49:110-128.
• Khalaj-Hedayati K, Dittmar M (2010) Prevalence of sarcopenia among older community-dwelling people with normal health and nutritional state. Ecology of Food and Nutrition 49:110-128.
• Dittmar M, Bischofs C, Matheis N, Poppe R, Kahaly GJ (2009) A novel mutation in the DNASE1 gene is related with protein instability and decreased enzyme activity in thyroid autoimmunity. Journal of Autoimmunity 32:7-13.
• Dittmar M, Kaczmarczyk A, Bischofs C, Kahaly GJ (2009) The proinflammatory cytokine TNF-alpha -308 AA genotype is associated with polyglandular autoimmunity. Immunological Investigations 38:255-267.
• Dultz G, Matheis N, Dittmar M, Bender K, Röhrig B, Kahaly GJ (2009) The protein tyrosine phosphatase non-receptor type 22 C1858T polymorphism is a joint susceptibility locus for immunthyroiditis and autoimmune diabetes. Thyroid 19:143-148.
• Schumacher E, Dindorf W, Dittmar M (2009) Exposure to toxic agents alters organic elemental composition in human fingernails. Science of the Total Environment 407:2151-2157.
• Khalaj-Hedayati K, Bosy-Westphal A, Müller MJ, Dittmar M (2009) Validation of the BIOPAC indirect calorimeter for determining resting energy expenditure in healthy free-living elderly people. Nutrition Research 29:531-541.
• Dultz G, Matheis N, Dittmar M, Bender K, Kahaly GJ (2009) CTLA-4 CT60 polymorphism in thyroid and polyglandular autoimmunity. Hormone and Metabolic Research 41:426-429.
• Dultz G, Dittmar M, Kahaly GJ (2009) Genetik der Schilddrüsenautoimmunität – Update und klinische Relevanz. [Genetics of thyroid autoimmunity - update and clinical relevance]. Medizinische Klinik 104:210-219.
• Dittmar M, Knuth M, Beineke M, Epe B (2008) Role of oxidative DNA damage and antioxidative enzymatic defence systems in human aging. The Open Anthropology Journal 1:38-45.
• Dittmar M, Dindorf W, Banerjee A (2008) Organic elemental composition in fingernail plates varies between sexes and changes with increasing age in healthy humans. Gerontology 54:100-105.
• Dittmar M, Ide M, Wurm M, Kahaly GJ (2008) Early onset of polyglandular failure is associated with HLA-DRB1*03. European Journal of Endocrinology 159:55-60.
• Dittmar M, Raschka C (2007) Relationships between nutritional intake, hydration status and estimates of body composition. International Journal of Anthropology 22:29-39.
• Dittmar M, Poppe R, Bischofs C, Fredenhagen G, Kanitz M, Kahaly GJ (2007) Impaired deoxyribonuclease activity in patients with endocrine autoimmunity. Experimental and Clinical Endocrinology and Diabetes 115:387-391.
• Ide M, Dittmar M, Wurm M, Kanitz M, Kahaly GJ (2007) Polymorphismen des MICA-Mikrosatelliten bei thyreoidaler Autoimmunität. Medizinische Klinik 102:11-15.
• Raschka C, Scott V, Dittmar M (2006) Ultradian comparison of different techniques for assessing body components in athletes – skinfold measurements, circumferences, near infrared interactance, and bioimpedance analysis. Medicina Sportiva 10:58-62.
• Dittmar M, Kahaly GJ (2005) Review: Immunoregulatory and susceptibility genes in thyroid and polyglandular autoimmunity. Thyroid 15:239-250.
• Kahaly GJ, Pitz S, Hommel G, Dittmar M (2005) Randomized, single blind trial of intravenous vs. oral steroid monotherapy in Graves' orbitopathy. Journal of Clinical Endocrinology and Metabolism 90:5234-5240.
• Kahaly GJ, Bang H, Berg W, Dittmar M (2005) Alpha-fodrin as a putative autoantigen in Graves' ophthalmopathy. Clinical and Experimental Immunology 140:166-172.
• Dittmar M, Reber H (2004) Validation of different bioimpedance analyzers for predicting cell mass against whole-body counting of potassium (40K) as a reference method. American Journal of Human Biology 16:697-703.
• Dittmar M, Kahaly GJ (2004) Genetics of autoimmune hypoparathyroidism. Clinical Cases in Mineral and Bone Metabolism 1:113-116.
• Dittmar M (2004) Comparison of bipolar and tetrapolar impedance techniques for assessing fat mass. American Journal of Human Biology 16:593-597.
• Kahaly GJ, Wolf M, Eichhorn W, Schreckenberger M, Dittmar M, Weber M, Bartenstein P (2004) Prävalenz von Schilddrüsenerkrankungen in Rheinland-Pfalz. Ärzteblatt Rheinland-Pfalz 3:16-20.
• Hanisch D, Dittmar M, Höhler T, Alt KW (2004) Contribution of genetic and environmental factors to variation in body compartments - a twin study in adults. Anthropologischer Anzeiger 62:51-60.
• Dittmar M (2003) Reliability and variability of bioimpedance measures in normal adults: effects of age, gender, and body mass. American Journal of Physical Anthropology 122:361-370.
• Dittmar M, Heintz A, Hardt J, Egle UT, Kahaly GJ (2003) Metabolic and psychosocial effects of minimal invasive gastric banding for morbid obesity. Metabolism Clinical and Experimental 52:1551-1557.
• Dittmar M, Kahaly GJ (2003) Polyglandular autoimmune syndromes - immunogenetics and longterm follow-up. Journal of Clinical Endocrinology and Metabolism 88:2983-2992.
• Dittmar M, Raschka C, Koch H (2002) Effect of diurnal variation on body composition under consideration of selected chronobiological marker systems. Przeglad Antropologiczny - Anthropological Review 65:17-26.
• Krehan A, Dittmar M, Hoppen A, Lichtwald K, Kahaly GJ (2002) Randomisierte, doppelblinde Crossover-Studie zur Bioverfügbarkeit von Levothyroxin. Medizinische Klinik 97:522-527.
• Dittmar M (2002) Functional and postural lateral preferences in humans: inter-relations and life-span age differences. Human Biology 74:569-585.
• Dittmar M, Reber H (2002) Evaluation of different methods for assessing intracellular fluid in healthy elderly: a cross-validation study. Journal of the American Geriatrics Society 50:104-110.
• Dittmar M, Reber H (2001) New equations for estimating body cell mass from bioimpedance parallel models in healthy older Germans. American Journal of Physiology (Endocrinology and Metabolism) 281:E1005-E1014.
• Dittmar M (2001) Changing colour preferences with ageing: a comparative study on younger and older native Germans aged 19-90 years. Gerontology/ International Journal of Experimental and Clinical Gerontology 47:219-226.
• Dittmar M (2001) Comparison of soft tissue body composition in postmenopausal women with or without hormone replacement therapy considering the influence of reproductive history and lifestyle. Annals of Human Biology 28:207-221.
• Dittmar M, Reber H, Hofmann G (2001) Age-related decline in body cell mass in elderly men and women, determined by a non-invasive nuclear technique: effects of physical activity and dietary potassium intake. American Journal of Human Biology 13:204-211.
• Dittmar M (2000) Age at menarche in a rural Aymara speaking community located at high altitude in northern Chile (3,530 m). Mankind Quarterly 40:381-394.
• Dittmar M (1999) Auswirkungen von Hörbeeinträchtigungen auf das emotionale Befinden und die soziale Integration älterer Menschen. Geriatrie Forschung 9:115-120.
• Dittmar M (1999) Hand preference and hand-clasping: association with dermatoglyphic asymmetry in Amerindians. Revista Española de Antropología Biológica 20:59-73.
• Dittmar M, Henke W (1998) Gerontologie - Forschungsinhalte und -perspektiven aus anthropologischer Sicht. Anthropologischer Anzeiger 56:193-212.
• Dittmar M, Galera V, Garralda MD, Smets M (1998) Permanent dentition in Santa María de Hito population (Spain). Tooth crown diameters and microevolution in the Iberian Peninsula. Homo/ Zeitschrift für vergleichende Biologie des Menschen 49:55-73.
• Dittmar M (1998) Finger ridge-count asymmetry and diversity in Andean Indians and interpopulation comparisons. American Journal of Physical Anthropology 105:377-393.
• Dittmar M (1998) Secular growth changes in the stature and weight of Amerindian schoolchildren and adults in the Chilean Andes, 1972 - 1987. American Journal of Human Biology 10:607-617.
• Dittmar M (1997) Linear growth in weight, stature, sitting height and leg length, and body proportions of Aymara school-children living in an hypoxic environment at high altitude in Chile. Zeitschrift für Morphologie und Anthropologie 81:333-344.
• Dittmar M (1997) A cross-sectional growth study of forearm length and tibial length in an indigenous Andean population of 6 to 19 years of age. Anthropological Science 105:169-180.
• Dittmar M (1997) Influencia del estado de la nutrición sobre el crecimiento de niños en una población nativa de la región andina de América del Sur. Estudios de Antropología Biológica 8:171-189.
• Dittmar M (1996) A study of the face structure of highland and lowland populations in prehispanic South America. Microvariation and population relationships. Collegium Antropologicum 20:95-110.
• Dittmar M (1996) Los Aymara prehispánicos y actuales: etnogénesis, microdiferenciación y su relación con la población Tiwanaku de América del Sur. Revista Española de Antropología Americana 26:231-248.
• Dittmar M (1995) Review of studies of polymorphic blood systems in the Aymara indigenous population from Bolivia, Peru, and Chile. Anthropologischer Anzeiger 53:289-315.
• Dittmar M, Garralda MD, Galera V, Smets M (1995) La dentición permanente de Santa María de Hito. Caracteres discretos y microevolución en la Península Ibérica. Revista Española de Antropología Biológica 16:43-59.
• Dittmar M (1994) Qualitative and quantitative analysis of digital and palmar dermatoglyphics in Chilean Aymara Indians. Antropología Biológica 2:39-58.
• Dittmar M (1994) Qualitative dermatoglyphic affinities of Chilean Aymara Indians to other South American Indian populations based on distance and cluster analysis. Homo/ Zeitschrift für vergleichende Biologie des Menschen 44:229-241.