Prof.Dr. Metin Özata

 

         

ENDOKRİNOLOJİ ve METABOLİZMA UZMANI

Yurtdışı Kongre Tebliğleri

(Kronolojik sıra)

1.Çorakçı A., Beyhan Z., Bolu E., Özata M., Azal Ö., Gündogan MA. : The Effect of insulin therapy on apolipoproteins in non-insulin dependent diabetes mellitus. Diabetes, vol.40 (Supplement); Abstract No: 1571, 1991. 14th International Diabetes Federation Congress. June 23-28, 1991. Washington DC, USA

2. Azal Ö., Özata M., Bolu E., Beyhan Z., Çorakcı A., Gündogan MA. : Comparison of serum sialic acid levels with HbA1C and fructosamine levels in patients with diabetes mellitus. VII. Balkan Congress of Endocrinology. May 27-29, 1992, Pleven, Bulgaria.

3.Özata M.,Azal Ö., Bolu E., Barut A., Çorakcı A., Beyhan Z., Gündoğan MA. : HLA class I antigens in Turkish patients with Graves’ disease. VII. Balkan Congress of Endocrinology. May 27-29, 1992, Pleven, Bulgaria.

4.Özata M.,, Azal Ö., Bolu E., Çorakcı A., Beyhan Z., Gündoğan MA. : Treatment of hirsutism with cyproterone acetate and ethinyl oestradiol. VII. Balkan Congress of Endocrinology. May 27-29, 1992, Pleven, Bulgaria.

5.Bolu E., Azal Ö., Özata M.,Beyhan Z., Aslan N., Çorakcı A., Gündoğan MA.: Alterations of lipid metabolism in men with hypogonadism. VII. Balkan Congress of Endocrinology. May 27-29, 1992, Pleven, Bulgaria.

6.Çorakcı A., Bolu E., Özata M.,Azal Ö., Beyhan Z., Özdemir Ç., Gündogan MA.: Elevated plasma endothelin in non-insulin dependent diabetic subjects with microalbuminuria. Diabetologia. Volum: 35, Suppl. 1, Abstract No: 657, 28th Annual Meeting of the European Association for the Study of Diabetes. September 8-11, 1992, Praque, Czechoslovakia.

7.Bolu E., Özata M.,Azal Ö., Çorakcı A., Ayrım A., Beyhan Z., Gündogan MA.: Decreased bone mineral density in men with type-I, insulin-dependent diabetic patients. Diabetologia. Volum: 35, Suppl. 1, Abstract No: 739, 28th Annual Meeting of the European Association for the Study of Diabetes. September 8-11, 1992, Praque, Czechoslovakia.

8.DeGroot LJ., Miyamoto T., Suzuki S., Özata M.,Fierro-Renoy F. : T3-TR-TRE interaction and responses of normal and mutant TRS. International Workshop on Thyroid Hormone Resistance. July 10-11, 1993, Cambridge, UK.

9. Özata M. and DeGroot LJ.: Diagnostic importance of serum thyroglobulin assay in the follow-up of patients with differentiated thyroid cancer. Thyroid, Vol.3, Suppl.1, Abstract No:13. 67th Annual Meeting of American Thyroid Association. November 10-14, 1993, Tampa, Florida, USA.

10.Miyamoto T., Özata M.,Fierro-Renoy F., Liu RT., DeGroot LJ. : Role of heterodimerization in dominant negative suppression of mutant thyroid hormone receptor. Thyroid, Vol.3, Supplement 1, Abstract No: 237. 67th Annual Meeting of American Thyroid Association. November 10-14, 1993, Tampa, Florida, USA.

11.Liu RT., Suzuki S. Miyamoto T., Takeda T., Özata M., DeGroot LJ.: Dominant negative effect of TRVa2 does not require binding to a TRE. 76th Annual Meeting of The Endocrine Society. June 15-18, 1994, Anaheim, California, USA.

12.Azal Ö., Özata M.,Bolu E., ÇorakcıA., Beyhan Z., Erbil K., Gündoğan MA.: The importance of serum osteocalcin levels in the early diagnosis of patients with diabetic osteopenia. 3rd. European Congress of Endocrinology. July 17-22, 1994, Amsterdam, The Netherlands.

13.Özata M.,Azal Ö., Çorakçı A., Beyhan Z., Kurt I., Gündogan MA. : Can we use plasma fibronectin levels as a marker for early diabetic nephropathy? 3rd. European Congress of Endocrinology. July 17-22, 1994, Amsterdam, The Netherlands.

14.Özata M.,Öztürk E.,Tufan T., Azal Ö., Günalp B.,Pekcan M., Çorakçı A., Aslan I., Özgüven MA., Beyhan Z., Narin Y., Bolu E., Dündar S., Bayhan H., Gündo?an MA. : The clinical course and the value of 99mTc(V) DMSA, I131 MIBG and thallium-201 imaging techniques in the follow-up of medullary carcinoma of the thyroid. First International Congress of Nuclear Oncology. June 19-23,1994 Istanbul, Turkey.

15. Arslan N., Azal Ö., Kırılmaz A., Özata M.,Erdöl C., Karaeren H., Çorakcı A., Gündogan MA. : Assesment of left venticular diastolic function with doppler echocardiography in Type-1 diabetic patients. 30th Annual Meeting of the European Association for the Study of Diabetes. Dusseldorf, Germany, 28 September-1 October 1994.

16.Özata M., Bayhan H., Bingöl N., Dündar S., Ilgın S., Kurt I., Çorakcı A., and Gündoğan MA. : Sequential changes in serum TPO following radioiodine therapy of patients with differentiated thyroid carcinoma. 8th Balkan Congress of Endocrinology 3-5 May 1995, Bursa, Turkey.

17.Bolu E., Özata M., Yakın A., Bedük A., Beyhan Z., Çanakcı Z., Çorakcı A., Gündogan MA. : Association of acute myeloblostic leukemia, schwannoma and colon cancer in 3 patients with acromegaly. 8th Balkan Congress of Endocrinology 3-5 May 1995, Bursa, Turkey.

18.Özata M.,Erbil K., Bolu E., Kenar L., Bulur M., Saglam M., Azal Ö., Çorakcı A., Gündogan MA. : Serum total sialic acid levels in untreated male hypogonadism. 8th Balkan Congress of Endocrinology 3-5 May 1995, Bursa, Turkey.

19.Azal Ö., Özkardes A., Özata M.,Dolu H., Bolu E., Önde ME., Çorakcı A., Gündogan MA. : Visual evoked potentials in diabetic patients. 8th Balkan Congress of Endocrinology 3-5 May 1995, Bursa, Turkey.

20.Bolu E., Kurt I., Özata M.,Beyhan Z., Çorakcı A., Gündogan MA. : Lipoprotein (a) levels in patients with non-insülin dependent diabetes mellitus: relationship to metabolic control . 8th Balkan Congress of Endocrinology 3-5 May 1995, Bursa, Turkey.

21.Yıldırımkaya M., Bilgi C., Özata M., Çorakcı A., Kutluay T.,Gündogan MA. Karaca L.: Biological variability of serum lipids and lipoproteins in patients with clinically well controlled noninsulyn dependent diabetes mellitus. 8th Balkan Congress of Endocrinology 3-5 May 1995, Bursa, Turkey.

22.Özata M.,Özkardes A., Azal Ö.,Bolu E., Önde ME., Dolu H., Çorakcı A., Gündoğan MA. : Subclinical hypothyroidism does not lead to alterations either in peripheral nerves or in brainstem auditory evoked potentials (BAEPs). 8th Balkan Congress of Endocrinology 3-5 May 1995, Bursa, Turkey.

23.Bolu E., Yıldız O., Senöz S., Özata M.,Deniz G.,Azal Ö., Çorakcı A., Gündoğan MA. : Effect of dexfenfluramine on food intake and body weight in rats : analysis of selection pattern of glucose solutions having different palatability and coloric values. The 6th European Congress on Obesity, Copenhagen, Denmark, May 31-June 3, 1995.

24. Azal Ö., Özkardes A., Özata M., Bolu E., Önde ME., Çorakcı A., Gündoğan MA. : Motor Evoked Potentials in diabetes mellitus. 31st Annual Meeting of the European Association for the Study of Diabetes, Stockholm, Sweden. 12-16 September 1995.

25. Özata M., Yıldız A.,Özkardes A., Deniz G., Çorakcı A., Gündogan MA. : Effects of aminoguanidine and L-carnitine on nerve conduction velocities and somatosensorial evoked potentials in diabetic rats. 31st Annual Meeting of the European Association for the Study of Diabetes, Stockholm, Sweden. 12-16 September 1995.

26. Yıldız O., Deniz G:,Senöz S., Bolu E., Özata M.,Gündogan MA. : Anlaysis of the effect of dexfenfluramine on selection pattern of glucose solutions having different palatability and caloric values in rats. First European Congress of Pharmacology . Milan, Italy, June 16-19, 1995.

27.Yıldız O., Köksal V., Senöz S., Bolu E., Özata M., Isımer A., Gündogan MA.: High dose dexfenfluramine cause alveolitis and pulmonary fibrosis in rats. The 7th European Congress on Obesity, Barcelona, Spain, May 13-15, 1996. Int J Obesity, 20 (suppl 4): 73 Abs No.08-187-WP1.

28.Yıldırımkaya M., Yıldız O., Özata M., Çorakci A., Gündogan MA.: Effects of L-carnitine on alcohol dehyrogenase in alloxan-diabetic rats. 32st Annual Meeting of the European Association for the Study of Diabetes, Vienna, Austria, 1996.Diabetologia, 39(suppl 1).A236-894,1996.

29.Erbil K., Özata M., Çakır E., Kenar L.:Serum sialic acid levels in untreated male hypogonadism. AACC/ CSCC 1996 Annual Meeting, July 28- August1, 1996. Chicago, USA. Clinical Chemistry, 42(supply 6) :S229. Abst No:557.

30.Rittig S., Siggaard C., Özata M., Yetkin I., Gündo?an MA, Robertson GL., Pedersen ED.; Substitution of Tyr-2 of the antidiuretic hormone is associated with familial diabetes insipidus. American Federation for Clinical Research Midwestern Meeting, September 19- 21, 1996. Chicago, USA. J Invest Med. 44: 387A, 1996.

31.Ozata M., Ozkardes A., Çorakci A., Gundosan M.A.: Effects of acute hypothyroidism on brain-stem auditory evoked potentials. 9th Balkan Congress of Endocrinology. Selanik, Yunanistan, 7-11 mayys 1997.

32.Ozata M.,Ozkardes A.,Beyhan Z., Çorakci A., Gündogan M.A.: Event related brain potentials in hypothyroidism. 9th Balkan Congress of Endocrinology. Selanik, Yunanistan, 7-11 mayıs 1997.

33.Ozata M., Yıldırımkaya M., Yılmaz K., Beyhan Z., Çorakci A., Gundogan M.A.: The effect of thyroid status on high density lipoprotein particles. 9th Balkan Congress of Endocrinology. Selanik, Yunanistan, 7-11 mayıs 1997.

34.Ozata M., Aksu A., Narin Y., Beyhan Z., Bayhan H., Çorakci A., Gundogan M.A.: Is lymphocytic infiltration a prognostic marker for papillary thyroid carcinoma? 9th Balkan Congress of Endocrinology. Selanik, Yunanistan, 7-11 mayis 1997.

35.Proenza A.M., Poissonnet C.M., Ozata M., Guran S., Gundogan M.A., Palou A., Strosberg A.D.:Polymorphism of b3-AR, UCP1 and LPL genes in a Turkish population and its relationship with obesity. 9th European Congrees of Obesity, Dublin,Ireland, June 18-21, 1997.

36.Ozata M, Yıldız O, Senöz S, Kutukcu Y, Aydın A, Corakcı A, Gundogan MA:Beneficial effects of asetilsalisilik acid on central and peripheral responses in diabetic rats. IDF Congress, Helsinki,20-25 July,1997.

37.Ozata M, Yıldız O, Senoz S, Kutukcu Y, Aydın A, Corakcı A, Gundogan MA: Effects of aminoguanidine, enalapril, vitamin C, vitamin E and Vitamin C+E combination on diabetic neuropathy and nephropaty in streptozotocine- diabetic rats. IDF congress, Helsinki, Finland, July 20-25,1997.

38..Yönem A., Azal Ö., Toprak S., Çorakcı A., Ozata M, Gundogan M.A.: Analysis of patients with Diabetic foot ulcer. IDF congress, Helsinki, Finland, July 20-25,1997.

39. Ozata M., Beyhan Z., Ozışık G., Çağlayan S.,yeşilova Z., Bingöl N., Çorakçı A., Özdemir İ.Ç.: Plasma leptin levels in patients with Klinefelter’s syndrome. IV European Congress of Endocrinology, Sevilla, Spain, 9-13 May 1998.

40.Ozata M., Beyhan Z., Salk M., Aydın A., Sayın S., Isımer A., Çorakçı A., Ozdemir İ.Ç.:Iodine and zinc, but not selenium and copper deficiency exist in a male Turkish population with endemic goiter. IV European Congress of Endocrinology, Sevilla, Spain, 9-13 May 1998.

41.Gul H, Ozata M, Isimer A, Yildiz O., Ozdemir C. Effects of TRH on experimental diabetik neuropaty. EASD Congress, Barceleno, Spain, September, 1998.

42. Özata M, Özdemir İÇ, Licinio J. Multipl endocrine defects, decreased sympathetic tone, and immune system dysfunction in patients with a missense human leptin gene muatation: new targets for leptin action and spontaneous correction of leptin- mediated defects. Proceeding of The Endocrine Society’s 81st Annual Meeting, June 12-15, 1999, San Diego, California, U.S.A. P3-67.

43. Enriquez M, Xie J, Ozata M, Bick DP, Sherins RJ, Bolu E, Ozdemir IÇ, Layman LC. Pedigree analysis of families with idiopathic hypogonadatropic hypogonadism. Proceeding of The Endocrine Society’s 81st Annual Meeting, June 12-15, 1999, San Diego, California, U.S.A. P2-157.

44. Layman LC, Gray MR, Ozata M, Cohen DP, Bolu E, Xie J, Ozdemir IC.The prevalance of gonadotropin releasing hormone receptor gene mutations in a population of patients with idiopathic hypogonadotropic hypogonadism from Turkey. Proceeding of The Endocrine Society’s 81st Annual Meeting, June 12-15, 1999, San Diego, California, U.S.A. P3-371

45. Park J, Ozata M, Chorich LP, Bick DP, Sherins RJ, Ozdemir IÇ, Layman LC. Study of the PROP1 gene in a large sample of patients with idiopathic hypogonadotropic hypogonadism.The Endocrine Society’s 82nd Annual Meeting, June 21-24, 2000 Toronto, Canada

46. Ozisik G, Mergen H, Ozata M, Bolu E, Beyhan Z, Uyanik C, Caglayan S, Turan M, Oner R, Çorakci A, Kutlu M, Ozdemir IC, Oner C. Vitamin D receptor gene polymorphism and vertebral bone density in men with idiopathic hypogonadotropic hypogonadism. 23 rd Congress of Endocrinology and Metabolic Diseases of Turkey Joint meeting with the European Federation of Endocrine Societies. J Endocrinol Invest. 23: Supplement to No7, 2000.

47.Ozata M, Uckaya G, Bolu E, Corapcioglu D, Beyhan Z, Bingol N, Çorakci A, Kulu M, Özdemir IÇ. Plasma leptin concentrations in patients with Graves’ disease with or without ophthalmopathy. 23 rd Congress of Endocrinology and Metabolic Diseases of Turkey Joint meeting with the European Federation of Endocrine Societies. J Endocrinol Invest. 23: Supplement to No7, 2000.

48.Ozata M,Negrao AB, Caglayan S, Mantzoros C, Ozdemir IC, Flier JS, Licinio J.Synchronicity of frequently sampled circulating leptin and TSH. 23 rd Congress of Endocrinology and Metabolic Diseases of Turkey Joint meeting with the European Federation of Endocrine Societies. J Endocrinol Invest. 23: Supplement to No7, 2000.

49. Caglayan S, Ozata M, Ozisik G, Turan M, Bolu E, Beyhan Z, Corakci A, Kutlu M, Ozdemir İÇ. Hepatic indolamine metabolism and sympathoadrenal activity in Klinefelter’s syndrome. 23 rd Congress of Endocrinology and Metabolic Diseases of Turkey Joint meeting with the European Federation of Endocrine Societies. J Endocrinol Invest. 23: Supplement to No7, 2000.

50. Kilciler G, Kilciler M, Kutlu M, Ozata M, Oktenli C, Bulucu F. Hour by hour changes of leptin levels during therapy after the treatment in patients with idiopathic hypogonadotropic hypogonadism. 23 rd Congress of Endocrinology and Metabolic Diseases of Turkey Joint meeting with the European Federation of Endocrine Societies. J Endocrinol Invest. 23: Supplement to No7, 2000

51.Ozata M, Beyhan Z, Uckaya G, Bolu E, Aydin A, Corakci A, Kutlu M, Isımer A, Ozdemir IC. Defective antioxidant defense system in patients with a human leptin gene mutation. 23 rd Congress of Endocrinology and Metabolic Diseases of Turkey Joint meeting with the European Federation of Endocrine Societies. J Endocrinol Invest. 23: Supplement to No7, 2000

52. Ozata M. Leptin deficiency and resistance in humans. Symposium. 5th European Congress of Endocrinology. Turin-Italy, June 9-13, 2001.

53.Ozata M, Gungor D, Turan M, Ozisik G, Bingol N, Ozgurtas T, Beyhan Z, Ozdemir IC. The influence of improved glycemic control on plasma acylation stimulating protein (ASP) and leptin in type II diabetic subjects. 5th European Congress of Endocrinology. Turin-Italy, June 9-13, 2001.

54.Ozata M, Durmus O, Yılmaz I, Erdogan M, Bolu E, Ozdemir IC. Evaluation of aldosterone-renin activity and its relation with mineral and vitamin D metabolism in male obesity. . 5th European Congress of Endocrinology. Turin-Italy, June 9-13, 2001

55.Ozata M, Avcu F, Durmus O, Sarıbas I, Ozdemir IC, Yalcin A. Leptin does not play a major role in platelet aggregation in both obesity and congenital leptin deficiency. 5th European Congress of Endocrinology. Turin-Italy, June 9-13, 2001

56. Ozata M , Bolu E, Ozdemir IC, Licinio J. Bone and leptin: of mice and humans with leptin deficiency. 5th European Congress of Endocrinology. Turin-Italy, June 9-13, 2001

57. Ozata M , Mergen H, Mergen M, Oner C, Ozdemir IC. A novel melanocortin 4 receptor gene mutation associated with morbid obesity and psychiatric disorders. 5th European Congress of Endocrinology. Turin-Italy, June 9-13, 2001

58. Ozata M, Öktenli Ç, Vural A, Özdemir IC.. Increaed plasma ASP concentration in patients with nephrotic syndrome. 22th National Endocrinology congress. 4-9 October, 2001, İstanbul.

59. Ozisik G, Ito M, Ozata M, Achermann JC, Ozdemir IC, JamesonLJ. Autosomal dominant neurohypophyseaal diabetes insipidus caused by a novel muatation that disrupts the translation start codon in AVP-NPII. The Endocrine Society’s 84th Annual Meeting, San Francisco, June 19-22, 2002 USA.

60. Ozata M, Dieugez C, Casaneuva FF. The Inhibition of Growth hormone secretion presented in obesity is not mediated by the high leptin levels. A study in human leptin deficiency patients. The Endocrine Society’s 84th Annual Meeting, San Francisco, June 19-22, 2002 USA.

 

Yurtiçi Kongre Tebliğleri

(Kronolojik sıra)

1.    Özata M., Çorakçı A., Beyhan Z., Azal Ö., Gündoğan MA.: Diabetes mellitusta serum siyalik asit düzeyleri. 1990 Diabet Günleri, 4-6 Haziran 1990, Kemer-Antalya.

2.    Özata M., Çorakçı A., Beyhan Z., Azal Ö., Gündoğan MA.: Diabetes mellitusta serum siyalik asit düzeylerinin HbA1C ve fruktozamin düzeyleri ile karşılaştırılması. 1990 Diabet Günleri, 4-6 Haziran 1990, Kemer-Antalya.

3.    Özata M., Beyhan Z., Çorakçı A., Gündoğan MA.:  Kliniğimizce takip edilen hirsütizmli olguların değerlendirilmesi ve dekzametazon tedavi  sonuçları. XIV. Ulusal Endokrinoloji Kongresi. 28-29 Eylül 1990, Hacettepe Üniversitesi Merkez Kampusu, Ankara.

4.    Özata M., Beyhan Z., Çorakçı A., Gündo?an MA.: Hirsütizmin  cyproteron asetat ve etinil östradiol ile tedavisi. XIV. Ulusal Endokrinoloji Kongresi. 28-29 Eylül 1990, Hacettepe Üniversitesi Merkez Kampusu, Ankara.

5.    Özata M., Beyhan Z., Çorakçı A., Gündoğan MA.:  Hirsütizm tedavisinde spironolakton. XIV. Ulusal Endokrinoloji Kongresi. 28-29 Eylül 1990, Hacettepe Üniversitesi Merkez Kampusu, Ankara.

6.    Bolu E., Çorakçy A., Beyhan Z., Özata M., Gündoğan MA.: Hipogonadizmli erkek olgularda testosteron seviyeleri ve lipid metabolizması arasındaki ilişkiler. XIV. Ulusal Endokrinoloji Kongresi. 28-29 Eylül 1990, Hacettepe Üniversitesi Merkez Kampusu, Ankara.

7.    Azal Ö., Özata M., Çorakçı A., Beyhan Z., Bolu E., Hacıbektaşoğlu  A., Gündoğan MA.: Diabetes mellitusta hepatitis B virus antijen ve antikorları ile karaciğer fonksiyon testleri. 1nci Ulusal Diabet Kongresi, 27-29 Mayıs 1991, Silivri-İstanbul.

8.    Çorakçı A., Beyhan Z., Azal Ö., Özata M., Bolu E., Gündogan MA.: Tip -2 Diabetes mellitusta dawn fenomeni. 1nci Ulusal Diabet Kongresi, 27-29 Mayıs 1991, Silivri-İstanbul

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