Engin Aydin, MD

Nasuhi Engin Aydin,  M.D. a graduate of Hacettepe University Faculty of Medicine, Turkey received Philadelphia based E.C.F.M.G. Certification. He started his academic career at Ankara University working on short-term carcinogenicity tests with his research cited in NCI, Bethesda Monograph 65. He has been working as a registered Anatomic Pathologist in Turkey since 1983. Main topics of interest are research on gynecologic pathology besides forensic and surgical pathology with manuscripts published internationally. 

Angiotensin receptor MAS1 may have a role in the pathogenesis of endometriosis

Takahiro Nakajima and colleagues from Nihon University School of Medicine, Tokyo, Japan report their novel findings on Angiotensin receptor MAS1 in the pathogenesis of endometriosis in Gynecologic and Obstetrics Investigation. The renin-angiotensin system (RAS) is an activation cascade playing a key role in the regulation of blood pressure besides water and electrolyte balance. RAS also plays important roles in regulating tissue remodeling, tissue thickening, and sclerosis; and is particularly involved in cell proliferation, angiogenesis, and apoptosis. Renin cleaves angiotensinogen into…

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Thoracic Endometriosis Syndrome (TES): Diagnosis by cytology of pleural effusion

Parikshaa Gupta and colleagues from Chandigarh, India report a case of thoracic endometriosis diagnosed primarily by pleural fluid cytology in a most recent article at Cytopathology. A 33-year-old female presented with a long history of recurrent bouts of chest pain associated with a dry cough and breathlessness, with some of the episodes coinciding with her menses. Most of these episodes were self-limited and responded to oral analgesics.  Additionally, she was being evaluated for primary infertility. Her elder sister had infertility…

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Commentary on major developments in the pathophysiology of endometriosis

This commentary article by Dr. Warren G. Foster, from MacMaster University, Canada that appeared at Biology of Reproduction, is highly valuable for its leading role in endometriosis research. Although endometriosis is a common disease affecting up to 10% of women, frequently causing pelvic pain and infertility its etiology remains a myth. Basically, it is an estrogen-dependent disease having endometrial tissue outside the uterine cavity. While retrograde menstruation is the most widely accepted theory of causation, regurgitation of menstrual effluent through…

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The pathogenesis of endometriosis : New discoveries with clinical impact

In this recent review article that appeared in Current Women’s Health Reviews, compiled by researchers from the Department of Molecular Cell Biology and Human Genetics, Institute of Cell Biology and Neuroscience Frankfurt, Germany the following important points in regard to the molecular and cellular pathogenesis of endometriosis were outlined. In respect to a main implantation pathogenetic theory of endometriosis, the most likely explanation for the pathologic lesions of endometriosis shed menstrual endometrium is also flushed back into the pelvis. Menstrual cells can attach by gravity to the peritoneal…

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Epigenetic link between endometriosis and cancer

Although endometriosis is considered a benign condition the cellular, histologic, and molecular data strongly demonstrate that endometriosis has neoplastic characteristics. There is strong evidence that endometriosis shares striking features with malignancy like normal tissue dissemination, invasion, and organ damage, as well as new vessel formation (neoangiogenesis).  In the review entitled "Endometriosis malignant transformation: Epigenetics as a probable mechanism in ovarian tumorigenesis", recently published in the International Journal of Genomics, Jiaxing et al from China, summarize specifically the research concerning the relationship between endometriosis and ovarian cancer and epigenetic modifications.…

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