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Mullerian cancer

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https://www.readbyqxmd.com/read/28333312/establishment-maintenance-and-functional-integrity-of-the-blood-testis-barrier-in-organotypic-cultures-of-fresh-and-frozen-thawed-prepubertal-mouse-testes
#1
C Rondanino, A Maouche, L Dumont, A Oblette, N Rives
STUDY QUESTION: Can the spatio-temporal formation of an intact blood-testis barrier (BTB), which is essential for the progression of spermatogenesis, be reproduced in cultures of fresh or frozen/thawed prepubertal mouse testes? SUMMARY ANSWER: Organotypic cultures allow the establishment and maintenance of major BTB components and the formation of a functional BTB in mouse testicular tissues. WHAT IS KNOWN ALREADY: In vitro maturation of prepubertal testicular tissues is a promising approach to restore fertility in adult survivors of childhood cancer...
March 17, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28276867/pathogenesis-and-treatment-of-adult-type-granulosa-cell-tumor-of-the-ovary
#2
Anniina Färkkilä, Ulla-Maija Haltia, Johanna Tapper, Melissa K McConechy, David G Huntsman, Markku Heikinheimo
Adult-type granulosa cell tumor is a clinically and molecularly unique subtype of ovarian cancer. These tumors originate from the sex cord stromal cells of the ovary and represent 3-5% of all ovarian cancers. The majority of adult-type granulosa cell tumors are diagnosed at an early stage with an indolent prognosis. Surgery is the cornerstone for the treatment of both primary and relapsed tumor, while chemotherapy is applied only for advanced or non-resectable cases. Tumor stage is the only factor consistently associated with prognosis...
March 6, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28270607/mtorc1-2-inhibition-preserves-ovarian-function-and-fertility-during-genotoxic-chemotherapy
#3
Kara N Goldman, Devon Chenette, Rezina Arju, Francesca E Duncan, David L Keefe, Jamie A Grifo, Robert J Schneider
The ovary contains oocytes within immature (primordial) follicles that are fixed in number at birth. Activation of follicles within this fixed pool causes an irreversible decline in reproductive capacity, known as the ovarian reserve, until menopause. Premenopausal women undergoing commonly used genotoxic (DNA-damaging) chemotherapy experience an accelerated loss of the ovarian reserve, leading to subfertility and infertility. Therefore, there is considerable interest but little effective progress in preserving ovarian function during chemotherapy...
March 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28199067/human-epididymis-protein-4-immunostaining-of-malignant-ascites-differentiates-cancer-of-m%C3%A3-llerian-origin-from-gastrointestinal-cancer
#4
Anna Stiekema, Koen K Van de Vijver, Henk Boot, Annegien Broeks, Catharina M Korse, Willemien J van Driel, Gemma G Kenter, Christianne A R Lok
BACKGROUND: An accurate diagnosis of cancer of Müllerian origin is required before the initiation of treatment. An overlap in clinical presentation and cytological, histological, or imaging studies with other nongynecological tumors does occur. Therefore, immunocytochemistry markers are used to determine tumor origin. Human epididymis protein 4 (HE4) is overexpressed in tissue of epithelial ovarian cancer (EOC). It has shown to be a sensitive and specific serum marker for EOC and to be of value for the differentiation between EOC and ovarian metastases of gastrointestinal origin...
March 2017: Cancer
https://www.readbyqxmd.com/read/28197641/m%C3%A3-llerian-inhibiting-substance-inhibits-an-ovarian-cancer-cell-line-via-%C3%AE-catenin-interacting-protein-deregulation-of-the-wnt-signal-pathway
#5
Sang Ho Park, Youn Jee Chung, Jae Yen Song, Sang Il Kim, David Pépin, David T MacLaughlin, Patricia K Donahoe, Jang Heub Kim
Müllerian inhibiting substance/anti-Müllerian hormone (MIS/AMH) has been suggested as a biotherapeutic agent in gynecological cancers that highly express the MIS/AMH type II receptors (MISRII/AMHRII) but the anticancer mechanisms by which MIS/AMH acts are not fully understood. Our experiments show that MIS/AMH inhibits ovarian cancer by deregulating the Wnt signal pathway via the β-catenin interacting protein (ICAT). MIS/AMH inhibition of ICAT by small interfering RNAs (siRNA) decreased ICAT driven ovarian cancer cell viability as measured by the methylthiazoltetrazolium assay, reversed cell cycle arrest and annexin V expression and diminished migration by scratch wound assay...
March 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28135602/anti-m%C3%A3-llerian-hormone-levels-and-evolution-in-women-of-reproductive-age-with-breast-cancer-treated-with-chemotherapy
#6
REVIEW
T Fréour, P Barrière, D Masson
BACKGROUND: Long-term consequences of cancer treatments in young women, and especially fertility issues, are gaining attention as survival rates increase. Breast cancer is the most frequent malignancy in women of reproductive age. AIM: The purpose of this review is to describe serum anti-müllerian hormone (AMH) level at diagnosis and its evolution during and after chemotherapy in women of reproductive age treated for breast cancer. Second, the impact of taxanes on AMH, the association between AMH and amenorrhea, and the comparison of AMH with other hormonal markers of ovarian reserve were studied...
January 27, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/27986398/role-of-radiation-therapy
#7
REVIEW
Patricia J Eifel
Because most patients with epithelial ovarian cancer have advanced disease at the time of initial diagnosis, radiation therapy usually does not play a major role in their treatment. Although ovarian carcinomas appear to be no less sensitive to radiation therapy than Müllerian carcinomas arising in other sites, the dose of radiation required to control gross disease, typically at least 60 Gy, cannot be safely delivered to the entire abdomen or even to large partial volumes of the pelvis and abdomen. Moreover, in most cases, localized radiation is ineffective because of the high risk of disseminated recurrence in peritoneal and extraperitoneal sites...
November 25, 2016: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27927847/preserved-seminiferous-tubule-integrity-with-spermatogonial-survival-and-induction-of-sertoli-and-leydig-cell-maturation-after-long-term-organotypic-culture-of-prepubertal-human-testicular-tissue
#8
F de Michele, J Poels, L Weerens, C Petit, Z Evrard, J Ambroise, D Gruson, C Wyns
STUDY QUESTION: Is an organotypic culture system able to provide the appropriate testicular microenvironment for in-vitro maturation of human immature testicular tissue (ITT)? SUMMARY ANSWER: Our organotypic culture system provided a microenvironment capable of preserving seminiferous tubule (ST) integrity and Leydig cell (LC) functionality and inducing Sertoli cell (SC) maturation. WHAT IS KNOWN ALREADY: Cryopreservation of human ITT is a well-established strategy to preserve fertility in prepubertal boys affected by cancer, with a view for obtaining sperm...
January 2017: Human Reproduction
https://www.readbyqxmd.com/read/27907901/serum-amh-levels-in-healthy-women-from-brca1-2-mutated-families-are-they-reduced
#9
Theodora C van Tilborg, Inge A P Derks-Smeets, Anna M E Bos, Jan C Oosterwijk, Ron J van Golde, Christine E de Die-Smulders, Lizet E van der Kolk, Wendy A G van Zelst-Stams, Maria E Velthuizen, Annemieke Hoek, Marinus J C Eijkemans, Joop S E Laven, Margreet G E M Ausems, Frank J M Broekmans
STUDY QUESTION: Do BRCA1/2 mutation carriers have a compromised ovarian reserve compared to proven non-carriers, based on serum anti-Müllerian hormone (AMH) levels? SUMMARY ANSWER: BRCA1/2 mutation carriers do not show a lower serum AMH level in comparison to proven non-carriers, after adjustment for potential confounders. WHAT IS KNOWN ALREADY: It has been suggested that the BRCA genes play a role in the process of ovarian reserve depletion, although previous studies have shown inconsistent results regarding the association between serum AMH levels and BRCA mutation status...
November 2016: Human Reproduction
https://www.readbyqxmd.com/read/27871721/roles-of-human-epididymis-protein-4-carbohydrate-antigen-125-inhibin-b-and-anti-m%C3%A3-llerian-hormone-in-the-differential-diagnosis-and-follow-up-of-ovarian-granulosa-cell-tumors
#10
Ulla-Maija Haltia, Marianne Hallamaa, Johanna Tapper, Johanna Hynninen, Henrik Alfthan, Bhanu Kalra, Olli Ritvos, Markku Heikinheimo, Leila Unkila-Kallio, Antti Perheentupa, Anniina Färkkilä
OBJECTIVE: Evaluation of circulating tumor markers in ovarian cancer is crucial for optimal patient care. The goal of this study was to verify the most accurate circulating tumor markers for the diagnosis and follow-up of adult-type granulosa cell tumors (AGCTs). METHODS: The levels of circulating human epididymis protein 4 (HE4) and carbohydrate antigen 125 (CA125), together with AGCT markers inhibin B and anti-Müllerian hormone (AMH), were measured in 135 samples from AGCT patients, 37 epithelial ovarian carcinoma (EOC) patients, and 40 endometrioma (ENDO) patients...
January 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/27821706/longitudinal-follow-up-in-female-childhood-cancer-survivors-no-signs-of-accelerated-ovarian-function-loss
#11
A L F van der Kooi, M M van den Heuvel-Eibrink, A van Noortwijk, S J C M M Neggers, S M F Pluijm, E van Dulmen-den Broeder, W van Dorp, J S E Laven
STUDY QUESTION: Is the long-term decline of ovarian function, as reflected by a decrease in serum anti-Müllerian hormone (AMH) concentration, accelerated over time in female childhood cancer survivors (CCS) as compared to healthy women of the same age? SUMMARY ANSWER: The median decline of AMH levels in long-term female CCS is not accelerated and similar to that observed in healthy controls. WHAT IS KNOWN ALREADY: Gonadal function is compromised in female CCS treated with chemotherapy and/or radiation therapy...
January 2017: Human Reproduction
https://www.readbyqxmd.com/read/27819640/mature-teratoma-associated-with-bilateral-ovarian-carcinosarcoma-accidental-association-or-etiopathogenetic-determinism-case-report
#12
Rodica Birla, Elena-Roxana Catanescu, Andrei Caragui, Silviu Constantinoiu
Carcinosarcoma is a rare form of ovarian cancer with mixed origin, and its association with mature teratoma is extremely rare. We present the case of patient T. M. aged 67, admitted into our clinic on the 15/05/2016, F.O. 4877 for the increase of the abdominal volume. On admission, the patient was afebrile, conscious, cooperative, cardio-respiratory balanced, having the abdomen distended in volume, sharp dullness in the flanks, positive wave sign bioumoral within normal limits except: uric acid = 6.64 mg / dL, serum glucose = 113...
2016: Chirurgia
https://www.readbyqxmd.com/read/27801734/pd-l1-expression-in-carcinosarcomas-of-the-gynecologic-tract-a-potentially-actionable-biomarker
#13
Andre Pinto, Nicholas Mackrides, Mehrdad Nadji
BACKGROUND: Carcinosarcomas of the gynecologic tract, also known as malignant mixed Müllerian tumors, are aggressive neoplasms with a high recurrence rate and poor prognosis. Despite advances in adjuvant therapies in recent years, the prognosis of these tumors has not improved. In fact, there are currently no consensus guidelines for the treatment of these neoplasms and the search for targetable biomarkers has not been successful so far. Programmed death-ligand 1 (PD-L1) has emerged as a potential target for therapeutics in a number of malignant tumors, including melanoma, lung, and colorectal cancer...
October 31, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27785439/malignancy-in-disorders-of-sex-development
#14
REVIEW
Martin Kathrins, Thomas F Kolon
Disorders of sex development (DSD) represent a spectrum of conditions in which chromosomal, gonadal, or anatomic sex are atypical and affect 1 in 4,500-5,000 live births. The diagnosis of DSD raises concerns of tumor risk and treatment as well as future fertility preservation. We review the current understanding of the types of gonadal tumors that arise in DSD patients as well as possible markers and treatment. The goal is to inform the members of the DSD team (urologist, endocrinologist, geneticist, psychologist) of the latest findings regarding malignancy in DSD...
October 2016: Translational Andrology and Urology
https://www.readbyqxmd.com/read/27780981/longitudinal-observation-of-serum-anti-m%C3%A3-llerian-hormone-in-three-girls-after-cancer-treatment
#15
Yoko Miyoshi, Kie Yasuda, Makiko Tachibana, Hisao Yoshida, Emiko Miyashita, Takako Miyamura, Yoshiko Hashii, Kae Hashimoto, Tadashi Kimura, Keiichi Ozono
Gonadal dysfunction and infertility are major endocrinological late effects among childhood cancer survivors. Chemotherapy and radiation have gonadotoxic effects and diminish the ovarian reserve. The serum concentration of anti-Müllerian hormone (AMH) is a useful marker of ovarian reserve in survivors. We conducted a longitudinal study to investigate the variations of AMH in evaluating the acute and chronic effects of cancer therapy on the ovary. Three young female patients with different hematological diseases were registered, and their medical records were reviewed...
October 2016: Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology
https://www.readbyqxmd.com/read/27771166/survival-of-women-with-mullerian-adenosarcoma-a-national-cancer-data-base-study
#16
Brandon-Luke L Seagle, Margaux Kanis, Anna E Strohl, Shohreh Shahabi
OBJECTIVE: To determine overall survival (OS) and factors associated with OS of women with Mullerian adenosarcoma. METHODS: Women with adenosarcoma of the uterus, cervix or ovary (n=2205) were identified from the 1998-2011 National Cancer Data Base. Kaplan-Meier and multivariate Cox proportional-hazards survival analyses were performed to test for associations of potential explanatory variables with OS. A subset analysis of women with uterine adenosarcoma was also performed...
December 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27770810/systematic-assessment-of-her2-neu-in-gynecologic-neoplasms-an-institutional-experience
#17
Jennifer S Woo, Sophia K Apple, Peggy S Sullivan, Jian-Yu Rao, Nora Ostrzega, Neda A Moatamed
BACKGROUND: HER2/neu overexpression and/or amplification has been widely studied in a number of solid tumors, primarily in the breast. In gynecologic neoplasms, determination of HER2/neu status has not been well studied as a predictive biomarker in anti-HER2/neu treatment. METHODS: We systematically evaluated the HER2/neu reactions by immunohistochemistry and fluorescent in situ hybridization in malignant gynecologic neoplasms as experienced in our institution. RESULTS: The HER2/neu overexpression or amplification occurred in 8 % of the cancers of the gynecological organs in our series...
October 22, 2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27711957/evaluation-of-ovarian-reserve-with-amh-level-in-patients-with-well-differentiated-thyroid-cancer-receiving-radioactive-iodine-ablation-treatment
#18
F Acıbucu, D O Acıbucu, Ö B Akkar, H S Dokmetas
Introduction: Radioactive iodine (RAI) ablation treatment is used for patients diagnosed with well-differentiated thyroid cancer in order to reduce the risk of recurrence. RAI ablation treatment can adversely affect gonads in males and females. In this study, we aimed to determine ovary damage and infertility risk due to RAI, using serum anti-Müllerian hormone (AMH) level, in females who received RAI ablation treatment. Materials and Methods: 45 female patients who have not gone through the menopause and had received RAI ablation treatment for well-differentiated thyroid cancer in premenopausal period, and 40 healthy females as control groups were included in this study...
November 2016: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/27680667/immunophenotyping-of-rabbit-testicular-germ-and-sertoli-cells-across-maturational-stages
#19
B Banco, G Grilli, C Giudice, A Tomas Marques, S Cotti Cometti, G Visigalli, V Grieco
During testicular maturation, both Sertoli cells (SCs) and germ cells (GCs) switch from an immature to a mature immunophenotype. The reexpression of markers of immaturity in adults has been reported in cancer and in other testicular pathologies, in men as well as in animal species. Naturally affected with testicular cancer, rabbits have long been used in human reproductive research, but reports on the expression of testicular cell markers in this species are few and data about the immunophenotype of normal postnatal SCs and GCs are lacking...
November 2016: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/27677176/successful-delivery-in-a-39-year-old-patient-with-anal-cancer-after-fertility-preserving-surgery-followed-by-primary-chemoradiation-and-low-anti-mullerian-hormone-level
#20
Christhardt Köhler, Simone Marnitz, Peter Biel, Tim Cordes
Anal cancer was diagnosed in a 36-year-old nulliparous woman. Before chemoradiation was started, ovarian transposition and uterine fixation were performed in order to preserve capability for future parenthood. Despite of a low anti-Mullerian hormone level, IVF therapy was successful and resulted in a full-term delivery of a healthy baby by cesarean section. This is the first case report of successful pregnancy after full-dose pelvic radiation for anal cancer.
2016: Oncology
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