1.Patterns of proliferation and fibrosis in a rat model of endometriosis following administration of Allium cepa
Hakan KULA ; Orkun ILGEN ; Sefa KURT ; Filiz YILMAZ
Clinical and Experimental Reproductive Medicine 2024;51(2):112-119
Objective:
Endometriosis is a common gynecological disease among reproductive-age women. Numerous hypotheses exist regarding the pathogenesis of endometriosis. In Turkey, the consumption of Allium cepa (commonly known as the “onion cure”) is a popular treatment employed to alleviate a variety of gynecological disorders.
Methods:
In this study, our objective was to assess the therapeutic mechanisms of the onion bulb A. cepa using an autologous endometriosis model in Sprague-Dawley rats. Previous research has shown that A. cepa possesses anti-inflammatory, antioxidant, and antiapoptotic properties. We evaluated the pathological condition of endometriotic implants by employing hematoxylin-eosin staining and Ki67 immunohistochemistry analysis. Transforming growth factor-beta 1 (TGF-β1) and alpha-smooth muscle actin (α-SMA) have been identified as profibrotic markers that are highly overexpressed in endometriotic tissues relative to eutopic endometrial tissue. Furthermore, TGF-β1 influences the differentiation and progression of endometriosis. To quantify profibrotic activity, we measured TGF-β1 and α-SMA using the immunosorbent assay method.
Results:
Lower histologic evaluation scores for endometriotic implants were observed in the group receiving high-dose A. cepa relative to the other groups. Ki67 expression was reduced following the high-dose A. cepa regimen, which consisted of 30% A. cepa and 70% normal feed. However, no statistically significant differences in TGF-β1 or α-SMA levels were observed among the groups (p=0.7 and p=0.778, respectively).
Conclusion
The findings suggest that A. cepa could serve as a therapeutic agent in endometriosis treatment, as evidenced by the reduction in proliferative potential. Nevertheless, A. cepa was not associated with significantly lower levels of endometriosis-associated TGF-β1 or α-SMA.
2. Endophthalmitis caused by Bacteroides fragilis after pars plana vitrectomy and treatment approach
Hakan YILDIRIM ; Mehmet BALBABA ; Turgut YILMAZ ; Zülal Asci TORAMAN
Asian Pacific Journal of Tropical Medicine 2022;15(1):44-46
Rationale: Endophthalmitis is an uncommon but serious ocular infection often resulting in probable visual loss. Bacteroides fragilis is a rare cause of endophthalmitis. Patient concerns: A 46-year-old male patient complained of eye pain and low vision after pars plana vitrectomy. Diagnosis: Bacteroides fragilis endophthalmitis after pars plana vitrectomy was diagnosed. Interventions: Pars plana vitrectomy and silicone oil implantation were performed. Outcomes: Early treatment and choice of tamponade in endophthalmitis after pars plana vitrectomy may possibly prevent evisceration and progression of endophthalmitis. Lessons: Bacteroides fragilis can be seen in cases of endophthalmitis after pars plana vitrectomy.
3.Comparison and efficacy of two different sheep pox vaccines prepared from the Bakırköy strain against lumpy skin disease in cattle
Serdar UZAR ; Fahriye SARAC ; Veli GULYAZ ; Hakan ENUL ; Huseyin YILMAZ ; Nuri TURAN
Clinical and Experimental Vaccine Research 2022;11(1):1-11
Purpose:
Lumpy skin disease (LSD) is a highly contagious and economically important viral infection of cattle, which leads to financial losses in the livestock industry of affected countries. Vaccination is the most effective control measure to prevent the disease. Heterologous sheep pox (SP) vaccine was used against LSD in Turkey. In this research, it was aimed to adapt SP Bakırköy vaccine strain attenuated in lamb kidney cells to Madin-Darby bovine kidney (MDBK) cells to provide better protection than commercial SP vaccine in cattle.
Materials and Methods:
To evaluate safety and efficacy of vaccines, while animals were immunized with 10 doses (104.75 50% tissue culture infectious dose [TCID50]) and 5 doses of SP vaccine (104 TCID50) produced in MDBK cells, others were immunized with commercial Penpox-M vaccine (103.9TCID50). Two cattle were kept as unvaccinated. At day 31 post-vaccination, all animals were challenged with the virulent LSD virus. Blood and swab samples were taken on certain days post-inoculation. Logarithmic differences challenge virus titers between vaccinated and unvaccinated animals were calculated.
Results:
The clinical sign was not observed in animals immunized with 10 doses of SP vaccine. The differences between the animals immunized with SP vaccine and control group was less than log 2.5 and the viremia occurred in immunized animals. The difference in titer was higher than log 2.5 in animals immunized with the Penpox-M, and viremia did not occur.
Conclusion
SP vaccine strain propagated in MDBK cells and can be used for immunization to prevent LSD infections. However, SP vaccine strain propagated in MDBK showed poor protection as compared to Penpox-M.
4.The Prevalence of Lumbar Paraspinal Muscle Fatty Degeneration in Patients with Modic Type I and I/II End Plate Changes
Ibrahim Burak ATCI ; Hakan YILMAZ ; Mustafa Yavuz SAMANCI ; Aysel Gurcan ATCI ; Yesim KARAGOZ
Asian Spine Journal 2020;14(2):185-191
Methods:
A consecutive series of 141 patients who attended the neurosurgery outpatient clinic between April 2017 and September 2017 for nonspecific LBP were evaluated. Sixty-one patients with single-level Modic type I or I/II change constituted the patient group. Eighty age-, gender-, and body mass index (BMI)-matched patients without any Modic changes were recruited as the control group. A retrospective review was performed in 61 patients with Modic changes and 80 controls without Modic changes. The percentage of fatty muscle degeneration was graded by two reviewers using T2-weighted axial images at the L4–L5 level. The system was graded as follows: grade 0, normal; grade I, minimal focal or linear fat deposition; grade II, up to 25%; grade III, 25%–50%; and grade IV, more than 50%.
Results:
Sixty-one patients with nonspecific LBP and Modic type I or I/II change and 80 patients without Modic changes were evaluated. There was no difference between these groups in terms of age, gender, and BMI distribution. The mean muscle cross-sectional area in the patient and control groups were 1,507.37±410.63 and 1,681.64±379.69. Regarding fatty degeneration, a chi-square test of homogeneity was run, and the two multinomial probability distributions were not equal within the population analyzed.
Conclusions
The novel finding of this investigation is that patients with Modic type I and I/II changes have greater amounts of fatty degeneration in their lumbar paraspinal musculature.
5.Disc Rehydration after Dynamic Stabilization: A Report of 59 Cases.
Atilla YILMAZ ; Salim SENTURK ; Mehdi SASANI ; Tunc OKTENOGLU ; Onur YAMAN ; Hakan YILDIRIM ; Tuncer SUZER ; Ali Fahir OZER
Asian Spine Journal 2017;11(3):348-355
STUDY DESIGN: A retrospective study investigating decrease in the nucleus pulposus signal intensity or disc height on magnetic resonance imaging (MRI) and disc degeneration. PURPOSE: Although a degenerated disc cannot self-regenerate, distraction or stabilization may provide suitable conditions for rehydration and possible regeneration. This study aimed to evaluate clinical outcomes and disc regeneration via MRI in a series of patients with degenerative disc disease (DDD) who underwent lumbar stabilization with a dynamic stabilization system (DSS). OVERVIEW OF LITERATURE: A dynamic system provides rehydration during early DDD. METHODS: Fifty-nine patients (mean age, 46.5 years) who undedwent stabilization with DSS for segmental instability (painful black disc) between 2004 and 2014 were retrospectively evaluated. All patients underwent MRI preoperatively and 12 months postoperatively. Intervertebral disc (IVD) degeneration grades at the implanted segment were categorized using the Pfirrmann classification system. Patients were followed for a mean of 6.4 years, and clinical outcomes were based on visual analog scale (VAS) and Oswestry disability index (ODI) scores. RESULTS: Significant improvements in back pain VAS and ODI scores from before surgery (7 and 68%, respectively) were reported at 6 (2.85 and 27.4%, respectively) and 12 months postoperatively (1.8 and 16.3%, respectively). Postoperative IVD changes were observed in 28 patients. Improvement was observed in 20 patients (34%), whereas progressive degeneration was observed in eight patients (13.5%). Thirty-one patients (52.5%) exhibited neither improvement nor progression. Single Pfirrmann grade improvements were observed in 29% of the patients and two-grade improvements were observed in 5%. CONCLUSIONS: Our observations support the theory that physiological movement and a balanced load distribution are necessary for disc regeneration. We conclude that DSS may decelerate the degeneration process and appears to facilitate regeneration.
Back Pain
;
Classification
;
Dichlorodiphenyldichloroethane
;
Fluid Therapy*
;
Humans
;
Intervertebral Disc
;
Intervertebral Disc Degeneration
;
Magnetic Resonance Imaging
;
Regeneration
;
Retrospective Studies
;
Visual Analog Scale
6.Gallstone Disease Does Not Predict Liver Histology in Nonalcoholic Fatty Liver Disease.
Yusuf YILMAZ ; Talat AYYILDIZ ; Hakan AKIN ; Yasar COLAK ; Oguzhan OZTURK ; Ebubekir SENATES ; Ilyas TUNCER ; Enver DOLAR
Gut and Liver 2014;8(3):313-317
BACKGROUND/AIMS: We sought to examine whether the presence of gallstone disease (GD) in patients with biopsy-proven nonalcoholic fatty liver disease (NAFLD) is associated with liver fibrosis and histological nonalcoholic steatohepatitis (NASH) score. METHODS: We included 441 Turkish patients with biopsy-proven NAFLD. GD was diagnosed in the presence of sonographic evidence of gallstones, echogenic material within the gallbladder with constant shadowing and little or no visualization of the gallbladder or absence of gallbladder at ultrasonography, coupled with a history of cholecystectomy. RESULTS: Fifty-four patients (12.2%) had GD (GD+ subjects). Compared with the GD- subjects, GD+ patients were older, had a higher body mass index and were more likely to be female and have metabolic syndrome. However, GD+ patients did not have a higher risk of advanced fibrosis or definite NASH on histology. After adjustment for potential confounding variables, the prevalence of GD in NAFLD patients was not associated with significant fibrosis (> or =2) (odds ratio [OR], 1.06; 95% confidence interval [CI], 0.53 to 2.21; p=0.68) or definite NASH (OR, 1.03; 95% CI, 0.495 to 2.12; p=0.84). CONCLUSIONS: The presence of GD is not independently associated with advanced fibrosis and definite NASH in adult Turkish patients with biopsy-proven NAFLD.
Biopsy
;
Fatty Liver/pathology
;
Female
;
Gallbladder/pathology
;
Gallstones/complications/*pathology
;
Humans
;
Liver/*pathology
;
Liver Cirrhosis/pathology
;
Male
;
Middle Aged
;
Non-alcoholic Fatty Liver Disease/complications/*pathology
;
Prospective Studies
;
Retrospective Studies
;
Sensitivity and Specificity
7.The presence of MEFV gene mutations in patients with primary osteoarthritis who require surgery.
Sedat YILMAZ ; Hakan ERDEM ; Servet TUNAY ; Deniz TORUN ; Halil GENC ; Yusuf TUNCA ; Omer KARADAG ; Ismail SIMSEK ; Muhterem BAHCE ; Salih PAY ; Ayhan DINC
The Korean Journal of Internal Medicine 2013;28(5):594-598
BACKGROUND/AIMS: Chronic arthritis of familial Mediterranean fever (FMF) involves weight-bearing joints and can occur in patients without a history of acute attack. Our aim was to investigate a possible causal relationship between FMF and osteoarthritis in a population in which FMF is quite common. METHODS: Patients with late stage primary osteoarthritis were enrolled, and five MEFV gene mutations were investigated. The frequency of MEFV gene mutations was compared among patients with osteoarthritis and a previous healthy group from our center. RESULTS: One hundred patients with primary osteoarthritis and 100 healthy controls were studied. The frequency of MEFV gene mutations was significantly lower in the osteoarthritis group (9% vs. 19%). M694V was the most frequent mutation (5%) in the osteoarthritis group, whereas in the control group, E148Q was the most common (16%). In subgroup analyses, the mutation frequency of patients with hip osteoarthritis was not different from that of patients with knee osteoarthritis and controls (7.1%, 9.7%, and 19%, respectively). There were no differences among the three groups with respect to MEFV gene mutations other than E148Q (8.1% vs. 3.6%). E148Q was significantly lower in the osteoarthritis group than in the controls (16% vs. 1%), although the mutations did not differ between patients with knee osteoarthritis and controls. CONCLUSIONS: In a population with a high prevalence of MEFV gene mutations, we did not find an increased mutation rate in patients with primary osteoarthritis. Furthermore, we found that some mutations were significantly less frequent in patients with osteoarthritis. Although the number of patients studied was insufficient to claim that E148Q gene mutation protects against osteoarthritis, the potential of this gene merits further investigation.
Adolescent
;
Adult
;
Case-Control Studies
;
Chi-Square Distribution
;
*Cytoskeletal Proteins
;
DNA Mutational Analysis
;
Familial Mediterranean Fever/diagnosis/epidemiology/*genetics
;
Female
;
Gene Frequency
;
Genetic Predisposition to Disease
;
Humans
;
Male
;
Middle Aged
;
*Mutation
;
Osteoarthritis, Hip/diagnosis/epidemiology/*genetics/surgery
;
Osteoarthritis, Knee/diagnosis/epidemiology/*genetics/surgery
;
Phenotype
;
Risk Factors
;
Turkey/epidemiology
;
Young Adult
8.Neuroprotective Effects of Quetiapine on Neuronal Apoptosis Following Experimental Transient Focal Cerebral Ischemia in Rats.
Muhammet Bahadir YILMAZ ; Mehmet TONGE ; Hakan EMMEZ ; Figen KAYMAZ ; Memduh KAYMAZ
Journal of Korean Neurosurgical Society 2013;54(1):1-7
OBJECTIVE: This study was undertaken in the belief that the atypical antipsychotic drug quetiapine could prevent apoptosis in the penumbra region following ischemia, taking into account findings that show 5-hydroxytryptamine-2 receptor blockers can prevent apoptosis. METHODS: We created 5 groups, each containing 6 animals. Nothing was done on the K-I group used for comparisons with the other groups to make sure adequate ischemia had been achieved. The K-II group was sacrificed on the 1st day after transient focal cerebral ischemia and the K-III group on the 3rd day. The D-I group was administered quetiapine following ischemia and sacrificed on the 1st day while the D-II group was administered quetiapine every day following the ischemia and sacrificed on the 3rd day. The samples were stained with the immunochemical TUNEL method and the number of apoptotic cells were counted. RESULTS: There was a significant difference between the first and third day control groups (K-II/K-III : p=0.004) and this indicates that apoptotic cell death increases with time. This increase was not encountered in the drug groups (D-I/D-II : p=1.00). Statistical analysis of immunohistochemical data revealed that quetiapine decreased the apoptotic cell death that normally increased with time. CONCLUSION: Quetiapine is already in clinical use and is a safe drug, in contrast to many substances that are used to prevent ischemia and are not normally used clinically. Our results and the literature data indicate that quetiapine could help both as a neuronal protector and to resolve neuropsychiatric problems caused by the ischemia in cerebral ischemia cases.
Animals
;
Apoptosis
;
Brain Ischemia
;
Cell Death
;
Dibenzothiazepines
;
In Situ Nick-End Labeling
;
Ischemia
;
Neurons
;
Neuroprotective Agents
;
Rats
;
Quetiapine Fumarate
9.An Unusual Cause of Inguinal Hernia in a Male Patient: Endometriosis.
Gulcin SIMSEK ; Hakan BULUS ; Adnan TAS ; Seyfettin KOKLU ; Suleyman Burhan YILMAZ ; Ali COSKUN
Gut and Liver 2012;6(2):284-285
No abstract available.
Endometriosis
;
Female
;
Hernia, Inguinal
;
Humans
;
Male
10.Osteoblastoma of C2 Corpus: 4 Years Follow-up.
Cem YILMAZ ; Erdinc CIVELEK ; Hakan CANER ; Erdinc AYDIN ; Aydin GERILMEZ ; Nur ALTINORS
Asian Spine Journal 2012;6(2):136-139
Osteoblastomas are rare neoplasms of the spine. The majority of the spinal lesions arise from the posterior elements and involvement of the corpus is usually by extension through the pedicles. An extremely rare case of isolated C2 corpus osteoblastoma is presented herein. A 9-year-old boy who presented with neck pain and spasmodic torticollis was shown to have a lesion within the corpus of C2. He underwent surgery via an anterior cervical approach and the completely-resected mass was reported to be an osteoblastoma. The pain resolved immediately after surgery and he had radiologic assessments on a yearly basis. He was symptom-free 4 years post-operatively with benign radiologic findings. Although rare, an osteoblastoma should be considered in the differential diagnosis of neck pain and torticollis, especially in patients during the first two decades of life. The standard treatment for osteoblastomas is radical surgical excision because the recurrence rate is high following incomplete resection.
Child
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Diagnosis, Differential
;
Follow-Up Studies
;
Humans
;
Neck Pain
;
Osteoblastoma
;
Osteoma, Osteoid
;
Recurrence
;
Spine
;
Torticollis

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