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Dive into the research topics where Serkan Erkanli is active.

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Featured researches published by Serkan Erkanli.


International Journal of Gynecological Cancer | 2010

Fertility-sparing therapy in young women with endometrial cancer: 2010 update.

Serkan Erkanli; Ali Ayhan

Endometrial cancer (EC) in young and especially null gravid women is a challenging problem with increasing frequency due to both detailed investigations for infertile couples seeking treatment in in vitro fertilization centers and women delaying their plans for pregnancy. Considering very low number of such cases in the literature, fertility-sparing therapy for EC in young women is not standard, although it is widely used. In this review we searched the relevant literature, reviewed selection criteria, therapeutic options, response rates to therapy, special challenges, reproductive outcomes, and follow-up strategies for young women diagnosed with EC.


Pathology Research and Practice | 2008

Maspin overexpression correlates with increased expression of vascular endothelial growth factors A, C, and D in human ovarian carcinoma

Filiz Bolat; Derya Gumurdulu; Serkan Erkanli; Fazilet Kayaselcuk; Handan Zeren; M.Ali Vardar; Esra Kuscu

The vascular endothelial growth factor (VEGF) family, including VEGFA, VEGFC, and VEGFD, plays an essential role in the angiogenesis of both pathologic and nonpathologic conditions. Maspin belongs to the serpin superfamily and has been identified as a tumor suppressor because it inhibits motility, invasion, and angiogenesis. Few studies have compared maspin with VEGF in ovarian carcinoma. Therefore, we investigated the expression and correlation of maspin, VEGFA, VEGFC, and VEGFD with the tumorigenesis of the ovary and clinicopathologic variables. Using immunohistochemistry, we examined maspin, VEGFA, VEGFC, and VEGFD expression in 60 ovarian carcinoma tissues (35 serous papillary carcinomas, 18 endometrioid carcinomas, and 7 primary ovarian mucinous carcinomas). Staining of cells was scored as +2 if more than 50% of the cells were positive, as +1 if less than 50% of the cells were positive, and as negative if none of the cells stained positive. Overexpression of maspin, VEGFC, and VEGFD was significantly associated with high tumor grade (P<.001, P=.004, P<.001, respectively), clinical stage (P=.002, .01, and .001, respectively), the presence of ascites (P<.001, P=.03, and P=.001, respectively), and the presence of metastatic lymph nodes (P=.002, P<.001, and P<.001, respectively). Maspin was correlated with VEGFA (P=.01), VEGFC (P<.001), and VEGFD (P<.001). The VEGFA score was positively correlated with high tumor grade (P=.04), lymphovascular space invasion (LVSI) (P<.001), International Federation of Gynecology and Obstetrics (FIGO) stage (P=.009), maspin, VEGFC (P=.003), and VEGFD (P=.003), but it was not correlated with the presence of ascites and metastatic lymph nodes. Maspin, VEGFC, and VEGFD are expressed in ovarian tumors with a poor prognostic parameters, and seem to play a role in ovarian cancer angiogenesis, progression, and lymph node metastases. Our results indicate that in contrast to most other carcinomas, maspin expression is directly associated with the biological aggressiveness of ovarian carcinoma. These results may offer new insights regarding the role of maspin in ovarian cancer and might also affect the diagnosis and treatment strategies.


Neurological Research | 2004

Intima-media thickness of the carotid arteries is related to serum osteoprotegerin levels in healthy postmenopausal women

Bulent Erdogan; Erdogan Aslan; Tayfun Bagis; Adnan Gokcel; Serkan Erkanli; Murad Bavbek; Nur Altinors

Abstract Osteoprotegerin (OPG) regulates bone mass by inhibiting osteoclast differentiation and activation, and also plays a role in vascular calcification. The objective of this study was to evaluate the relationship between serum OPG levels, and carotid artery intima-media thickness (IMT) and carotid plaque formation in healthy postmenopausal women. We recruited 68 healthy postmenopausal women for the study. Carotid plaque presence and IMT were evaluated by high resolution B-mode ultrasound. IMT was positively correlated with presence of plaque, age, menopause age and OPG, and inversely correlated with Apolipoprotein A1 (Apo A1). Serum OPG level was positively correlated with IMT (r = 0.366; p < 0.003) and age (r = 0.324; p < 0.008), and negatively correlated with Apo A1 (r = –0.481; p < 0.0001). We did not observe any significant relation between plaque occurrence and levels of serum OPG. In regression analysis OPG (p < 0.02) and menopause age (p < 0.05) were independent risk factors for IMT, and age (p < 0.05) and IMT (p < 0.05) were independent risk factors for plaque formation. Although the role of OPG in the vascular biology is poorly understood, our results suggest that elevated levels of serum OPG is associated with IMT and may play a role in the pathogenesis of atherosclerotic disease.


Acta Obstetricia et Gynecologica Scandinavica | 2004

Elevated plasma homocysteine levels in gestational diabetes mellitus

Ebru Tarim; Tayfun Bagis; Esra Bulgan Kilicdag; Serkan Erkanli; Erdogan Aslan; Nurzen Sezgin; Esra Kuscu

Objective.  This prospective study investigated the occurrence of hyperhomocysteinemia in a population of patients with gestational diabetes. The aim was to determine whether elevated plasma homocysteine is associated with gestational diabetes in Turkish women.


International Journal of Gynecology & Obstetrics | 2004

Fructus agni casti and bromocriptine for treatment of hyperprolactinemia and mastalgia

Esra Bulgan Kilicdag; Ebru Tarim; Tayfun Bagis; Serkan Erkanli; Erdogan Aslan; K Ozsahin; Esra Kuscu

Hyperprolactinemia is the most common endocrine disorder of the hypothalamic–pituitary axis w1x. Research has proven that there is a causal connection between latent hyperprolactinemia and mastalgia w2x. The aim of this study was to investigate fructus agni casti as treatment for mild hyperprolactinemia and for mastalgia, and to compare its efficacy with that of bromocriptine (dopamine agonist ) therapy. This prospective study involved 40 women with cyclic mastalgia (Group 1) and 40 with mild hyperprolactinemia(Group 2). With respect to mastalgia, the exclusion criteria were purulenthemorrhagic breast discharge, severe endocrinopathy, malignancy, and requirement for breast surgery, simultaneous treatment with analgesics or non-steroidal antiphlogistics, pregnancy, lactation. With respect to hyperprolactinemia, the exclusion criteria were macroadenoma, other forms of endocrinopathy, and iatrogenic hyperprolactinemia due


International Journal of Gynecology & Obstetrics | 2012

A Turkish Gynecologic Oncology Group study of fertility-sparing treatment for early-stage endometrial cancer.

Polat Dursun; Serkan Erkanli; Ahmet Barış Güzel; Murat Gultekin; Nefise Cagla Tarhan; Ozden Altundag; Fuat Demirkiran; Tugan Bese; Yusuf Yildirim; Gurkan Bozdag; Hakan Yarali; Tayyup Simsek; Bülent Özçelik; Fırat Ortaç; Salih Taşkın; Tevfik Guvenal; Nejat Ozgul; Ali Haberal; M.Ali Vardar; Murat Dede; Müfit Cemal Yenen; Aytekin Altintas; Macit Arvas; Ali Ayhan

To analyze the results of fertility‐sparing treatment of early‐stage endometrial cancer (EC) in patients treated at Turkish gynecologic oncology centers, and to present a review of the literature.


Advances in Therapy | 2002

Moclobemide in the treatment of hot flashes in postmenopausal women

Ebru Tarim; Tayfun Bagis; Esra Bulgan Kilicdag; Serkan Erkanli; Erdogan Aslan; Esra Kuscu

This randomized, prospective, double-blind study evaluated the efficacy and tolerability of moclobemide, a reversible, selective inhibitor of monoamine oxidase-A, in reducing the frequency and severity of hot flashes. Thirty post-menopausal women were enrolled, and 28 were allocated to 5 weeks of treatment with moclobemide 150 mg (group 1, n = 10), moclobemide 300 mg (group 2, n = 11), or placebo (group 3, n = 9). Data on hot flashes were recorded in a daily diary. Mean reductions in the hot flash severity score were 24.4% in the placebo group, 69.8% in group 1, and 35.0% in group 2. This large difference suggests that the beneficial effects were not due to a placebo effect. Moclobemide may be a new nonhormonal option for reducing the incidence, severity, and duration of hot flashes in postmenopausal women who do not wish to take estrogen or have contraindications to its use.


Fetal Diagnosis and Therapy | 2004

Spontaneous Regression and Reaccumulation of Pleural Effusion in a Fetus

Ebru Tarim; Pelin Oğuzkurt; Esra Bulgan Kilicdag; Tayfun Bagis; Serkan Erkanli; Erdogan Aslan; Arda Lembet

Isolated pleural effusion is rare and occurs when varying degrees of fluid surround the fetal lung without concomitant hydrops. The effusion may regress spontaneously, remain stable in size, or progress to involve both sides of the chest causing fetal hydrops. This may result in pulmonary hypoplasia and fetal or neonatal demise. In this article, we report a case in which spontaneous resolution of an isolated right-sided fetal pleural effusion occurred at 23 weeks of gestation and reappeared bilaterally at 34 weeks. Serial ultrasonographic evaluation of the fetus should be continued even if a spontaneous resolution of a preexisting pleural effusion has occurred.


Advances in Therapy | 2003

Effects of lumbar disc surgery on bone mineral density in women with lumbar disc disease.

Bulent Erdogan; Tayfun Bagis; Orhan Sen; Serkan Erkanli; Nur Altinors; Erdogan Aslan; M. Volkan Aydin; Basar Atalay

This prospective study evaluated 60 reproductive-age and postmenopausal women with lumbar disc disease to demonstrate the short-term effects of lumbar disc surgery on bone mineral density (BMD). Lumbar BMD was measured preoperatively and 3 months postoperatively by dual-energy X-ray absorptiometry (DEXA). Surgery was performed at only one level (L3-L4) and consisted of partial hemilaminectomy, discectomy, and, if necessary, partial facetectomy. Before surgery, 50% of the patients had osteopenia, and 31.7% had osteoporosis. After surgery, BMD decreased 5.5% in L3 vertebrae (P=.07), 14% in L4 vertebrae (P=.003), and 4.6% in L1-L4 (P=.039). Six of 11 patients with normal BMD before surgery became osteopenic postoperatively; 9 of 30 women with osteopenia fulfilled criteria for osteoporosis after surgery. Reproductive-age and postmenopausal women undergoing surgery for lumbar disc disease are at risk of bone loss and should be spared an extensive procedure, which can further increase the amount of bone lost. All women for whom a surgical intervention is planned should be evaluated by DEXA preoperatively and postoperatively.


Human Reproduction | 2005

Homocysteine levels in women with polycystic ovary syndrome treated with metformin versus rosiglitazone: a randomized study

Esra Bulgan Kilicdag; Tayfun Bagis; Hulusi B. Zeyneloglu; Ebru Tarim; Erdogan Aslan; Bulent Haydardedeoglu; Serkan Erkanli

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