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Inhibin

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https://www.readbyqxmd.com/read/29334660/global-proteomic-analysis-of-water-buffalo-bubalus-bubalis-saliva-at-different-stages-of-estrous-cycle-using-high-throughput-mass-spectrometry
#1
N G Shashikumar, R K Baithalu, S Bathla, S A Ali, P Rawat, A Kumaresan, S Kumar, B R Maharana, G Singh, D S Puneeth Kumar, S K Singh, S S Lathwal, L Jaiswal, T K Mohanty, A K Mohanty
Accurate and efficient detection of estrus is one of the major constraints for exploitation of the production potential of buffalo owing to its poor manifestation of estrus signs, seasonal differences in expression and higher incidences of silent estrus (29%). The current study focused on identification of estrus specific candidate proteins in saliva of buffaloes. Estrus was detected based on behavioral signs in response to the teaser and changes in reproductive organs and confirmed by per-rectal examination, trans-rectal USG of reproductive organs, cervico-vaginal mucus characteristics and blood serum progesterone estimation...
January 9, 2018: Theriogenology
https://www.readbyqxmd.com/read/29306929/comparison-between-two-inhibin-b-elisa-assays-in-46-xy-testicular-disorders-of-sex-development-dsd-with-normal-testosterone-secretion
#2
Guilherme Guaragna-Filho, Antônio Ramos Calixto, Georgette Beatriz De Paula, Laurione Cândido De Oliveira, André Moreno Morcillo, Maricilda Palandi De Mello, Andrea Trevas Maciel-Guerra, Gil Guerra-Junior
BACKGROUND: Inhibin B is a hormone produced by the Sertoli cells that can provide important information for the investigation of disorders of sex development (DSD) with 46,XY karyotype. The aim of this study is to compare two enzyme-linked immunosorbent assay (ELISA) assays for dosage of serum inhibin B in patients with 46,XY DSD with normal testosterone secretion. METHODS: Twenty-nine patients with 46,XY DSD and normal testosterone secretion (partial androgen insensitivity syndrome [PAIS] [n=8]; 5α-reductase deficiency [n=7] and idiopathic 46,XY DSD [n=14]) were included...
January 8, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29283337/oncocytic-adreno-cortical-tumors-pathological-features-of-16-cases-and-review-of-the-literature
#3
Yesim Ertan, Asuman Argon, Murat Özdemir, Banu Pınar Sarer Yürekli, Zafer Dökümcü, Özer Makay
Oncocytic neoplasms of the adrenal gland are extremely rare tumors. These tumors differ from their nononcocytic counterparts in some respects. The aim of this study was to review and discuss the clinical, histological, and immunohistochemical features of as well as the prognosis for these rare tumors. In total, 16 cases diagnosed as adrenocortical oncocytic neoplasms between January 2011 and December 2016 were included in the study. The demographic data, gross characteristics, histological data, and immunohistochemical data (Chromogranin-A, Synaptophysin, α-Inhibin, Melan-A, Ki67, PHH3) were reevaluated...
2017: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/29275930/ovarian-sex-cord-stromal-tumours-an-update-in-recent-molecular-advances
#4
REVIEW
Diana Lim, Esther Oliva
Sex cord-stromal tumours (SCSTs) consist of a heterogeneous group of neoplasms with diverse clinicopathological features and biological behaviour. They often present as a diagnostic challenge as they have varied and occasionally overlapping histomorphology and some may even mimic non-SCSTs. An accurate diagnosis is important for therapeutic and prognostic purposes. The use of a panel of immunohistochemical markers which are sensitive and specific for sex cord-stromal differentiation such as α-inhibin, calretinin, SF-1 and FOXL2, may be helpful in confirming the cellular lineage of these tumours, but is of limited utility in distinguishing between the different tumour types within this category...
December 21, 2017: Pathology
https://www.readbyqxmd.com/read/29273543/acute-effects-of-lead-on-porcine-neonatal-sertoli-cells-in-vitro
#5
Francesca Mancuso, Iva Arato, Cinzia Lilli, Catia Bellucci, Maria Bodo, Mario Calvitti, Maria Chiara Aglietti, Marco dell'Omo, Claudio Nastruzzi, Riccardo Calafiore, Giovanni Luca, Lorella Marinucci
Environmental pollution is one of the main factors responsible for reducing fertility in males. Lead is one of the major heavy metal contaminants that impairs several organs; it preferentially accumulates in male reproductive organs and alters sperm quality both in vivo and in vitro. However, the underlying mechanisms remain unclear. Sertoli cells (SCs) provide structural and physiological support to spermatogenic cells within seminiferous tubules. Therefore, changes in SCs affect the developing germ cells and alter spermatogenesis...
December 19, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/29250651/immunohistochemical-significance-of-er-alpha-inhibin-a-calretinin-and-ki67-expression-in-granulosa-cell-ovarian-tumors
#6
Raluca Anca Balan, Irina Draga Căruntu, Simona Eliza Giuşcă, Ludmila Lozneanu, Ioana Păvăleanu, Răzvan Vladimir Socolov, Lucian Miron, Mihai Vasile Marinca, Cornelia Amălinei
Adult granulosa cell tumors (AGCTs) have a heterogeneous morphology and an unpredictable behavior, which can lead to a misinterpreted diagnosis. The aim of our study was to assess the immunoexpression of estrogen receptor (ER) alpha, Ki67, calretinin, and inhibin A in AGCTs, in order to evaluate their value in diagnosis and prognosis of this type of tumor. Immunohistochemical stainings for these markers were performed in 21 cases of AGCTs. The immunopositivity evaluation of calretinin and inhibin A was scored according to the percentage of staining intensity and the extent of positive cells, of ER alpha was scored based on the percentage of positive cells, and Ki67 score was recorded as the percentage of positively stained nuclei across the tumor, without taking in consideration the staining intensity...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29248921/impact-of-kidney-transplantation-on-reproductive-hormone-levels-in-males-a-longitudinal-study
#7
Dag Eckersten, Aleksander Giwercman, Mats Pihlsgård, Laila Bruun, Anders Christensson
BACKGROUND/AIMS: Male patients with end-stage renal disease suffer from sexual disturbances and infertility. Disturbances in the hypothalamic-pituitary-gonadal axis are one of the causes of this. Decreased testosterone synthesis in Leydig cells of the testes and hyperprolactinemia are common. Kidney transplantation, unlike hemodialysis, normalizes these changes. However, how kidney transplantation affects Sertoli cell function is poorly understood. This study is aimed at investigating the changes in fertility-related hormones in men before, during, and after renal transplantation...
December 14, 2017: Nephron
https://www.readbyqxmd.com/read/29241923/maternal-serum-placental-growth-factor-combined-with-second-trimester-aneuploidy-screening-to-predict-small-for-gestation-neonates-without-preeclampsia
#8
Su Mi Kim, Hang Goo Yun, Ra Yon Kim, Yoo Hyun Chung, Ju Young Cheon, Jeong Ha Wie, Ji Young Kwon, Hyun Sun Ko, Yeon Hee Kim, Eun Hee Han, Joon Hong Park, Hyun Jung Kim, Myung Shin Kim, Jong Chul Shin, In Yang Park
OBJECTIVE: To investigate the role of maternal serum placenta growth factor (PlGF) and quadruple test parameters in predicting the risk of small for gestational age (SGA) infants of mothers without preeclampsia. MATERIALS AND METHODS: We prospectively enrolled 300 pregnant patients who underwent blood sampling at 15-18 weeks gestation and followed them until delivery. Cases with SGA neonate delivery (n = 100) were compared with matched AGA neonate controls (n = 200)...
December 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29240582/the-morphologic-spectrum-of-sertoliform-cystadenoma-of-the-rete-testis-a-series-of-15-cases
#9
Swetha Paluru, Thomas M Ulbright, Mahul Amin, Rodolfo Montironi, Jonathan I Epstein
Sertoliform cystadenoma of the rete testis (SCRT) is rare with only 9 cases reported to date in the literature, none with follow-up. Four large genitourinary pathology consult services were searched. We identified 15 cases of SCRT. Men were 21 to 84 years old (mean, 46 y) and had testicular discomfort or mass. Other findings were seminoma (n=1), spermatocele (n=2), hydrocele (n=1), varicocele (n=1), and scrotal hematoma (n=1). Eight had preoperative serum tumor markers, which were normal. Tumors ranged from 0...
December 7, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29234591/reproductive-hormone-analyses-and-effects-of-adjuvant-zoledronic-acid-in-early-breast-cancer-an-azure-big-01-04-sub-study
#10
Caroline Wilson, Samantha Hinsley, Helen Marshall, David Cameron, Richard Bell, David Dodwell, Robert E Coleman
Purpose: Adjuvant bisphosphonates have been shown to improve disease outcomes in early breast cancer in women who are postmenopausal at the start of treatment. We explored the influence of pretreatment serum levels of reproductive hormones in the hypothalamic-pituitary-gonadal (HPG) axis from a subset of patients included in the AZURE trial to investigate their impact on disease recurrence and whether reproductive hormone measurements are of value in selecting patients for treatment with adjuvant zoledronic acid...
November 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/29231589/-effects-of-moxibustion-at-shenshu-bl-23-on-level-of-sex-hormones-and-amh-in-sub-health-peri-menopausal-women
#11
Jie Shen, Meihong Shen, Zhongren Li, Rongli Zhang, Xia Li, Bingwei Ai
OBJECTIVE: To compare the effects between moxibustion at Shenshu (BL 23) and oral administration of Vitamin E on quality of life and mechanism in sub-health perimenopausal women, aiming to provide clinical evidence of moxibustion for health care of sub-health female. METHODS: Sixty participants were randomly divided into a moxibustion group and a medication group, 30 cases in each one. The volunteers in the moxibustion group were treated with mild moxibustion at bilateral Shenshu (BL 23) for 15 min, once a day; five treatments were considered as a course of treatment, and totally 4 courses were given with an interval of 2 days between courses...
April 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29228129/prenatal-exposure-to-di-2-ethylhexyl-phthalate-causes-long-term-transgenerational-effects-on-female-reproduction-in-mice
#12
Emily Brehm, Saniya Rattan, Liying Gao, Jodi A Flaws
Di(2-ethylhexyl) phthalate (DEHP) is a plasticizer in many consumer products. Although DEHP is a known endocrine disruptor, little is known about the effects of DEHP exposure on female reproduction. Thus, this study tested the hypothesis that prenatal DEHP exposure affects follicle numbers, estrous cyclicity, and hormone levels in multiple generations of mice. Pregnant CD-1 mice were orally dosed with corn oil (vehicle control) or DEHP (20 and 200 µg/kg/day, and 500 and 750 mg/kg/day) from gestation day 10...
December 7, 2017: Endocrinology
https://www.readbyqxmd.com/read/29227911/inhibin-a-and-inhibin-b-in-cyclic-and-pregnant-mares-and-mares-with-granulosa-theca-cell-tumors-physiological-and-diagnostic-implications
#13
A J Conley, E L Scholtz, G Dujovne, R F Cotterman, E L Legacki, R C Uliani, M A Alvarenga, B A Ball, B Kalra, G V Savjani, A Kumar
Studies in mares have examined serum inhibin concentrations using immuno-assays unable to distinguish dimeric inhibin-A from inhibin-B isoforms. Inhibin-A and inhibin-B immuno-assays were used to investigate concentrations in cyclic mares, young and old (6 vs 19 years old, respectively) mares following hemi-ovariectomy, mares during pregnancy and in mares with confirmed granulosa cell tumors (GCTs). Mares with inter-ovulatory intervals of 26 days had ovulatory peaks of inhibin-A averaging 80 pg/mL with a mid-cycle nadir of 5 pg/mL...
December 7, 2017: Theriogenology
https://www.readbyqxmd.com/read/29227558/rna-sequencing-identifies-gene-regulatory-networks-controlling-extracellular-matrix-synthesis-in-intervertebral-disk-tissues
#14
Scott M Riester, Yang Lin, Wei Wang, Lin Cong, Abdel-Moneim Mohamed Ali, Sun H Peck, Lachlan J Smith, Bradford L Currier, Michelle Clark, Paul Huddleston, William Krauss, Michael J Yaszemski, Mark E Morrey, Matthew P Abdel, Mohamad Bydon, Wenchun Qu, A Noelle Larson, Andre J van Wijnen, Ahmad Nassr
Degenerative disk disease of the spine is a major cause of back pain and disability. Optimization of regenerative medical therapies for degenerative disk disease requires a deep mechanistic understanding of the factors controlling the structural integrity of spinal tissues. In this investigation, we sought to identify candidate regulatory genes controlling extracellular matrix synthesis in spinal tissues. To achieve this goal we performed high throughput next generation RNA sequencing on 39 annulus fibrosus and 21 nucleus pulposus human tissue samples...
December 11, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29222425/polymorphisms-in-jmjd1c-are-associated-with-pubertal-onset-in-boys-and-reproductive-function-in-men
#15
Nina Mørup, Alexander Siegfried Busch, Anne Kirstine Bang, Loa Nordkap, John E Nielsen, Ewa Rajpert-De Meyts, Anders Juul, Niels Jørgensen, Kristian Almstrup
JMJD1C, a member of the Jumonji-domain containing histone demethylases protein family, has been associated with levels of sex-hormone binding globulin (SHBG) and testosterone in men, and knock-out rodent models show age-dependent infertility. The objective of this study was to investigate whether single nucleotide polymorphisms (SNPs) nearby JMJD1C are associated with pubertal onset in boys and with male reproduction. 671 peri-pubertal boys, 1,027 young men, 315 fertile men, and 252 infertile men were genotyped for two JMJD1C SNPs (rs7910927 and rs10822184)...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29221447/disruption-of-postnatal-folliculogenesis-and-development-of-ovarian-tumor-in-a-mouse-model-with-aberrant-transforming-growth-factor-beta-signaling
#16
Yang Gao, Xin Fang, David F Vincent, David W Threadgill, Laurent Bartholin, Qinglei Li
BACKGROUND: Transforming growth factor beta (TGFB) superfamily signaling is implicated in the development of sex cord-stromal tumors, a category of poorly defined gonadal tumors. The aim of this study was to determine potential effects of dysregulated TGFB signaling in the ovary using Cre recombinase driven by growth differentiation factor 9 (Gdf9) promoter known to be expressed in oocytes. METHODS: A mouse model containing constitutively active TGFBR1 (TGFBR1CA) using Gdf9-iCre (termed TGFBR1-CAG9Cre) was generated...
December 8, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29207291/transcriptome-analysis-of-ovine-granulosa-cells-reveals-differences-between-small-antral-follicles-collected-during-the-follicular-and-luteal-phases
#17
Reza Talebi, Ahmad Ahmadi, Fazlollah Afraz, Julien Sarry, Florence Plisson-Petit, Carine Genêt, Stéphane Fabre
Ovarian follicular growth occurs in both the follicular and luteal phases of the estrous cycle but in very different endocrine contexts. In both phases, many small antral follicles with similar morphologic and histologic characteristics are present within the ovaries as a reserve for the terminal folliculogenesis. However, there are several gaps in our molecular knowledge of the gene expression profiles of small antral follicles in the follicular and luteal phases. The aim of the present study was to use RNA sequencing to compare and analyze the global transcriptional profile of ovine granulosa cells collected from small antral follicles (1-3 mm) either during the follicular or the luteal phase of the estrous cycle, with the hypothesis that they should be differential...
November 27, 2017: Theriogenology
https://www.readbyqxmd.com/read/29207252/role-of-activin-c-in-normal-ovaries-and-granulosa-cell-tumours-of-mice-and-humans
#18
Karen L Reader, Francesco E Marino, Helen D Nicholson, Gail P Risbridger, Elspeth J Gold
Activins and inhibins play important roles in the development, growth and function of the ovary. Mice lacking inhibin develop granulosa cell tumours in their ovaries that secrete activin A, and these tumours are modulated by increased activin C expression. The aim of the present study was to identify where activin C is expressed in mouse and human ovaries and whether overexpression of activin C modulates normal follicular development in mice. Immunohistochemical staining for the activin βC subunit was performed on sections from mouse and human ovaries and human adult granulosa cell tumours...
December 6, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29206944/the-direct-and-indirect-effects-of-kisspeptin-54-on-granulosa-lutein-cell-function
#19
L A Owens, A Abbara, A Lerner, S O'floinn, G Christopoulos, S Khanjani, R Islam, K Hardy, A C Hanyaloglu, S A Lavery, W S Dhillo, S Franks
STUDY QUESTION: What are the in vivo and in vitro actions of kisspeptin-54 on the expression of genes involved in ovarian reproductive function, steroidogenesis and ovarian hyperstimulation syndrome (OHSS) in granulosa lutein (GL) cells when compared with traditional triggers of oocyte maturation? SUMMARY ANSWER: The use of kisspeptin-54 as an oocyte maturation trigger augmented expression of genes involved in ovarian steroidogenesis in human GL cells including, FSH receptor (FSHR), LH/hCG receptor (LHCGR), steroid acute regulatory protein (STAR), aromatase, estrogen receptors alpha and beta (ESR1, ESR2), 3-beta-hydroxysteroid dehydrogenase type 2 (3BHSD2) and inhibin A (INHBA), when compared to traditional maturation triggers, but did not alter markers of OHSS...
December 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29205848/the-efficacy-biodistribution-and-safety-of-an-inhibin-dna-vaccine-delivered-by-attenuated-salmonella-choleraesuis
#20
Wei-Zhen Chen, Ying-Mei Li, Xue Yu, Yue Li, Wen-Ke Li, Qing-Ling Wang, Ai-Xin Liang, Xiang Li, Li-Guo Yang, Li Han
DNA vaccines, the third-generation vaccines, were extensively studied. The attenuated Salmonella choleraesuis (S. choleraesuis) was widely focused as a carrier to deliver DNA vaccines in the chromosome-plasmid balanced-lethal system. The efficacy of inhibin DNA vaccine delivered by attenuated S. choleraesuis was proved in mice and cows in our previous studies. In this study, the efficacy of inhibin DNA vaccine was confirmed in rhesus monkeys. To further study the biodistribution and safety, the mice were immunized under laboratory conditions...
December 4, 2017: Microbial Biotechnology
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