• Journal of Veterinary Clinics
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• v.25 no.1
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• pp.19-22
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• 2008

Adenomyosis is a nonneoplastic proliforation of uterine glands characterized by multicentric infiltration of endometrial tissues into the myometrium. A female domestic short hair cat with unknown age was referred to local animal hospital in Busan for ovariohysterectomy to prevent the unwanted offspring. At the time of surgery, the uterus was enlarged with multiple nodular protrusion on the serosa. On the cut surface of uterus, elevation of the endometrium and hypertrophied myometrium were observed. Microscopically, the uterus was characterized by severe proliforation of endometrial glands into the lumen and within the myometrium. The intra-myometrial endometrium is circumferentially surrounded by bundles of hypertrophic smooth muscle cells. These endometrial glands had tall columnar epithelium lacking nuclear atypia and mitoses. In our best knowledge, this is the first report of feline adenomyosis in Korea.

• Clinical and Experimental Reproductive Medicine
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• v.15 no.2
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• pp.93-102
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• 1988

These studies were undertaken to examine the relationship between tamoxifen and sex steroid hormones in rat uterine morphology and the effect of tamoxifen on sex steroid hormone levels, implantation and myometrial contraction. The results obtained were as follows : 1) The increase in height of the luminal epithelium caused by tamoxifen treatment was blocked by progesterone. The increase in height of luminal epithelium caused by $estradiol-17{\beta}$ treatment was blocked by tamoxifen. 2) When a single dose of tamoxifen(10, 20, $40{\mu}g$) was given on Day 2 of pregnancy, implantation was prevented. Plasma $estradiol-17{\beta}$ level fell in a dose-dependent manner but plasma progesterone level was constant. 3) In vitro, tamoxifen decreased rat uterine contractility in a dose-dependent manner.

• Biomolecules & Therapeutics
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• v.17 no.2
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• pp.125-132
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• 2009

Calbindin-$D_{9k}$ (CaBP-9k), a cytosolic calcium-binding protein, is expressed in a variety of tissues, i.e., the duodenum, uterus, placenta, kidney and pituitary gland. Duodenal CaBP-9k is involved in intestinal calcium absorption, and is regulated at transcriptional and post-transcriptional levels by 1,25-dihydroxyvitamin D3, the hormonal form of vitamin D, and glucocorticoids (GCs). Uterine CaBP-9k has been implicated in the regulation of myometrial action(s) through modulation of intracellular calcium, and steroid hormones appear to be the main regulators in its uterine and placental regulation. Because phenotypes of CaBP-9k-null mice appear to be normal, other calcium-transporter genes may compensate for its gene deletion and physiological function in knockout mice. Previous studies indicate that CaBP-9k may be controlled in a tissue-specific fashion. In this review, we summarize the current information on calcium homeostasis related to CaBP-9k gene regulation by GCs, vitamin D and its receptors, and its molecular regulatory mechanism. In addition, we present related data from our current research.

• Asian Pacific Journal of Cancer Prevention
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• v.15 no.16
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• pp.6905-6910
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• 2014

Background: The relation ofsurvivin gene expression to survival and surgical prognostic factors in the patients with endometrial carcinoma is unclear. Materials and Methods: In this study, 62 cases who were operated due to endometrial carcinoma were investigated between 2003 and 2011 in the the gynecological oncology clinic of Female Disease Training and Investigation Hospital of Etlik Zubeyde, Hanim, Turkey. Clinical and surgical prognostic factors were investigated by screening the records of these cases. With the standard streptavidin-biotin immune peroxidase method, cytoplasmic and nuclear expression of survivin was investigated in sections with specific antibodies (1:100, diagnostic Bio Systems, USA) primer. The aim was to elucidate any relation between survivin expression and defined prognostic factors and survival. Results: There was no statistically significant relationship between cytoplasmic and nuclear indexes identified for survivin and age, body mass index, the levels of preoperative hemoglobin, platelet and Ca 125, stage, grade, lymph node meastasis, the number of meta statical lymph nodes (total, paraaortic and pelvic), myometrial invasion, serosal invasion, adnexal involvement, the presence of acid in the first diagnosis, the involvement of omentum, the adjuvant treatment application of the cases, the presence of recurrence and rate of mortality (p>0.05). Statistical significance was noted for the presence of advanced stage lymph node metastasis (pelvic, paraaortic, pelvic and paraaortic), serosal involvement, positive cytology, lymph vascular space invasion, intra abdominal metastasis, and omentum involvement. When investigated the relation between cytoplasmic and nuclear survivin indexes and total survival, the result was not statistically significant (p>0.05). Conclusions: In our study, there was no statistically significant relationship between the rates of cytoplasmic and nuclear survivin expression with identified prognostic factors and total or non-disease survival.

• Journal of Environmental Health Sciences
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• v.33 no.5
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• pp.379-385
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• 2007

This study was aimed to investigate the estrogenic activity of Di-(2-ethylhexyl) adipate (DEHA) using immatured type uterotrophic assay. SD rats were treated with DEHA (40, 200, 1000mg/kg/day), estradiol-3-benzoate (EB) $(1{\mu}g/kg/day)$ as positive control on the assay. In immatured-type uterotrophic assay, relative organ weights of kidney and reproductive organs such as ovary at high-dose group were significantly increased compared to those of vehicle control group. DEHA did not influence the levels of serum FSH and LH, and uterine morphological changes such as luminal epithelial height, myometrial thickness and numbers of uterine gland, and BrdU indices. In these results, there was no significant variation by DEHA treatment, suggesting that DEHA appears not to be a endocrine disrupter with estrogenic activity.

• Asian Pacific Journal of Cancer Prevention
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• v.16 no.17
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• pp.7463-7466
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• 2015

Aims: To analyse the predictors of recurrence, disease free survival and overall survival in cases with endometrial cancer. Materials and Methods: A total of 152 women diagnosed with endometrial cancer were screened using a prospectively collected database including age, smoking history, menopausal status, body mass index, CA125, systemic disorders, tumor histology, tumor grade, lymphovascular space invasion, tumor diameter, cervical involvement, myometrial invasion, adnexal metastases, positive cytology, serosal involvement, other pelvic metastases, type of surgery, fertility sparing approach to assess their ability to predict recurrence, disease free survival and overall survival. Results: In ROC analyses tumor diameter was a significant predictor of recurrence (AUC:0.771, P<0.001). The optimal cut off value was 3.75 with 82% sensitivity and 63% specificity. In correlation analyses tumor grade (r=0.267, p=0.001), tumor diameter (r=0.297, p<0.001) and the serosal involvement (r=0.464, p<0.001) were found to significantly correlate with the recurrence. In Cox regression analyses when some different combinations of variables included in the model which are found to be significantly associated with the presence of recurrence, tumor diameter was found to be a significant confounder for disease free survival (OR=1.2(95 CI,1.016-1.394, P=0.031). On Cox regression for overall survival only serosal involvement was found to be a significant predictor (OR=20.8 (95 % CI 2.4-179.2, P=0.006). In univariate analysis of tumor diameter > 3.75 cm and the recurrence, there was 14 (21.9 %) cases with recurrence in group with high tumor diameter where as only 3 (3.4 %) cases group with smaller tumor size (Odds ratio:7.9 (95 %CI 2.2-28.9, p<0.001). Conclusions: Although most of the significantly correlated variables are part of the FIGO staging, tumor diameter was also found to be predictor for recurrence with higher values than generally accepted.

• Development and Reproduction
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• v.21 no.2
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• pp.151-156
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• 2017

High-fructose corn syrup (HFCS) is widely used as sweetener, and its overconsumption is become a major health problem. In the present study, we used adult female rats and applied a 28 days HFCS feeding model to monitor the estrous cycle and changes in tissue weights and histology. Adult female rats were divided into three groups. Animals were fed with ad libitum normal chow and (1) 24 hours tap water (Control group), (2) 12 hours HFCS access during dark period and 12 hours tap water (12H group), and (3) 24 hours HFCS only access (24H group). Total exposure period was 28 days. There is no significant change in body weight between control and HFCS-fed animals. Both absolute and relative weights of ovary in 24H animals were significantly heavier than those in control or 12H animals. The absolute and relative weights of the kidney and liver in 24H groups were significantly heavier than those in control or 12H animals. The estrous cycles of the 24H animals were significantly longer. Histological analyses revealed that 24H ovaries were relatively bigger and possessed more corpus lutea than control ovaries. Uterine sections of 12H and 24H animals showed a well-developed stratum vasculare between inner and outer myometrial layers. The number of endometrial glands were decreased in 12H uteri, and recovered in 24H uteri compared to control. Numbers of convoluted tubule in distal region increased in 12H and 24H kidney samples. Liver specimens of 12H and 24H showed the increased number of fat containing vacuoles. In conclusion, our study demonstrated that HFCS treatment for 28 days could induce (1) changes in length of estrous cycle with extended estrous and diestrous stages, (2) altered ovarian and uterine histology, and (3) liver and renal lipid accumulation. These findings reveal the adverse effects of HFCS drinking on the reproductive function and lipid metabolism of female rats.

• Asian Pacific Journal of Cancer Prevention
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• v.13 no.7
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• pp.3187-3190
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• 2012

This study evaluated the relationship between pretreatment hemoglobin (Hb) and prognostic factors in Thai patients with endometrial cancer. Medical records of 228 patients who had undergone surgery between January 2005 and December 2007 were retrospectively reviewed. Associations between clinicopathological variables and pretreatment Hb levels were described using Pearson's chi square test or two-tailed Fisher's exact test. Survival analysis was performed with Kaplan-Meier estimates. Univariate and Cox-regression models were used to evaluate the prognostic impact of various factors, including Hb levels, in term of disease-free survival. The median duration of follow-up was 38.2 months. Eighty-nine patients (39%) had a preoperative Hb level of <12 g/dL, these having significantly higher rates of non-endometrioid histology, advanced FIGO stage, lymphovascular space invasion, cervical involvement, adnexal involvement, positive peritoneal cytology, and lymph node involvement than patients with Hb ${\geq}12$ g/dL. The 5-year disease-free and overall survival were significantly lower in patients with pretreatment Hb levels <12 g/dL compared with those with Hb ${\geq}12$ g/dL (79.3% vs. 89.2%, p=0.044 and 87.6% vs. 99.3%, p<0.001, respectively). In the multivariate analysis only histology, myometrial invasion, and lymphovascular invasion proved to be independent prognostic factors, whereas tumor grading, stage, cervical involvement, adnexal involvement, positive peritoneal cytology, lymph node involvement, and low Hb were not. In conclusion, presence of anemia before treatment may reflect poor prognostic factors in patients with endometrial cancer and low pretreatment hemoglobin level may have a prognostic impact on clinical outcome.

• Asian Pacific Journal of Cancer Prevention
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• v.16 no.10
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• pp.4247-4250
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• 2015

Objective: To determine the predictors of lympho-vascular space invasion (LVSI) in endometrial cancers which contain mucinous carcinomatous histology. Materials and Methods: Clinical and histopathological data of endometrial carcinomas with a mucinous carcinomatous component diagnosed between January 2007 and January 2014 at the Gynecologic Oncology Department of Zekai Tahir Burak Women's Health Education and Research Hospital were reviewed retrospectively. Results: Twelve patients (25.5%) were positive for LVSI and 35 (74.5%) patients were negative. Patients with LVSI were mostly staged higher than 1A. Mean age, BMI and parity were not significantly different between patient groups. Larger tumor diameter (${\geq}2cm$) (p=0.04) and elevated Ca125 and Ca-19.9 (p=0.01) levels were significant for predicting LVSI. We also found>1/2 myometrial invasion (p<0.001), cervical stromal involvement (p=0.002) and higher grade (2-3) (p=0.001) significant for predicting LVSI. In multivariate analysis we found only grade significant for predicting LVSI. Conclusions: Especially grade of tumor is a crucial factor for determining LVSI in endometrial cancers with mucinous carcinomatous components.

• Asian Pacific Journal of Cancer Prevention
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• v.16 no.10
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• pp.4257-4260
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• 2015

Background: Uterine papillary serous tumors are rarely seen and behave aggressively. Our aim was to evaluate uterine papillary serous tumors arising from polyps. Materials and Methods: Clinicopathological data of patients with uterine serous cancer arising from a polyp at the Gynecological Oncology Department of Zekai Tahir Burak Women's Health Education and Research Hospital were reviewed retrospectively. Results: We analyzed patients according to FIGO 2009 staging system as stage 1A and higher than stage 1A (3 and 6, respectively). All the patients were postmenopausal. Mean CA-125, CA-19.9 and CA15.3 levels were elevated in higher than stage 1A group. However we did not find a statistical difference between age, parity, polyp size, CA-125, CA-15.3, CA-19.9 and CEA levels. Lympho-vascular space invasion (LVSI) showed predictivity for advanced disease (p=0.025). Conclusions: The histopathologic nature of uterine serous carcinoma is a unique entity. LVSI is a prognosticator for defining an advanced stage uterine papillary tumor.