Effect of Cryopreserved Placental Explants on Female Reproductive System Under Normal and Pathological Conditions (Experimental study)

2017 ◽  
Vol 27 (3) ◽  
pp. 250-265 ◽  
Author(s):  
Volodymyr Yu. Prokopyuk ◽  
◽  
Olga V. Grischenko ◽  
Oleksandra V. Prokopyuk ◽  
Nadiia O. Shevchenko ◽  
...  
2021 ◽  
Vol 22 (4) ◽  
pp. 2165
Author(s):  
Sahar Esfandyari ◽  
Hoda Elkafas ◽  
Rishi Man Chugh ◽  
Hang-soo Park ◽  
Antonia Navarro ◽  
...  

Cell–cell communication is an essential mechanism for the maintenance and development of various organs, including the female reproductive system. Today, it is well-known that the function of the female reproductive system and successful pregnancy are related to appropriate follicular growth, oogenesis, implantation, embryo development, and proper fertilization, dependent on the main regulators of cellular crosstalk, exosomes. During exosome synthesis, selective packaging of different factors into these vesicles happens within the originating cells. Therefore, exosomes contain both genetic and proteomic data that could be applied as biomarkers or therapeutic targets in pregnancy-associated disorders or placental functions. In this context, the present review aims to compile information about the potential exosomes with key molecular cargos that are dysregulated in female reproductive diseases which lead to infertility, including polycystic ovary syndrome (PCOS), premature ovarian failure (POF), Asherman syndrome, endometriosis, endometrial cancer, cervical cancer, ovarian cancer, and preeclampsia, as well as signaling pathways related to the regulation of the reproductive system and pregnancy outcome during these pathological conditions. This review might help us realize the etiology of reproductive dysfunction and improve the early diagnosis and treatment of the related complications.


2017 ◽  
Vol 73 (6) ◽  
pp. 334-340
Author(s):  
Magdalena Woźna ◽  
Marta Rybska ◽  
Monika Świerczewska ◽  
Jędrzej M. Jaśkowski

The endometrium of the uterus is a highly dynamic structure in terms of its changes during the various stages of the sexual cycle. These changes are the result of cyclical fluctuations in the concentrations of steroid hormones and local factors of an auto – and paracrine – nature. This condition indicates that the causes of degenerative processes of the uterus must be sought not only in disorders of the hormonal profile and bacterial infections but also disorders at the molecular level. Factors that may play a key role in the formation and development of various pathologies of the female reproductive system include growth factors and their receptors (growth factors – GFs). Discussing these growth factors in the work may provide useful molecular markers that identify pathological conditions of the endometrium. Subject to expression in the endometrium, they are involved in the regulation of cell proliferation, migration and secretion of the glandular epithelium, they also regulate physiological and pathological angiogenesis, revealing strong pro-inflammatory effects. In this research, the authors present an overview of current scientific reports indicating that changes in the expression of studied factors, and thus disturbances in their effects, may constitute one of the causes of pathogenesis within the uterus in many animal species


1972 ◽  
Vol 70 (2) ◽  
pp. 396-408 ◽  
Author(s):  
K.-D. Schulz ◽  
H. Haarmann ◽  
A. Harland

ABSTRACT The present investigation deals with the oestrogen-sensitivity of the female reproductive system during the neonatal period. Newborn female guinea pigs were used as test animals. At different times after a single subcutaneous injection of a physiological dose of 0.1 μg or an unphysiologically high dose of 10 μg 17β-oestradiol/100 g body weight, the RNA- and protein-synthesis was examined in the hypothalamic region, pituitary, cerebral cortex, liver, adrenal gland, ovary and uterus. With a physiological dose an increase in organ weight, protein content, RNA-and protein-synthesis was found only in the uterus. These alterations turned out to be dose-dependent. In addition to the findings in the uterus an inhibition of the aminoacid incorporation rate occurred in the liver following the injection of the high oestradiol dose. As early as 1 hour after the administration of 0.1 μg 17β-oestradiol an almost 100% increase in uterine protein synthesis was detectable. This result demonstrates a high oestrogen-sensitivity of this organ during the neonatal period. All the other organs of the female reproductive system such as the hypothalamus, pituitary and ovary did not show any oestrogen response. Therefore the functional immaturity of the uterus during post partem life is not the result of a deficient hormone sensitivity but is correlated with the absence of a sufficient hormonal stimulus at this time. The investigation on the effects of actinomycin resulted in different reactions in the uterus and liver. In contrast to the liver a paradoxical actinomycin effect was found in the uterus after treatment with actinomycin alone. This effect is characterized by a small inhibition of RNA-synthesis and a 50% increase in protein synthesis. The treatment of the newborn test animals with actinomycin and 17β-oestradiol together abolished the oestrogen-induced stimulation of the uterine RNA-and protein-synthesis. Consequently, the effect of oestrogens during the neonatal period is also connected with the formation of new proteins via an increased DNA-directed RNA-synthesis.


GYNECOLOGY ◽  
2019 ◽  
Vol 21 (2) ◽  
pp. 12-17 ◽  
Author(s):  
Vera N Prilepskaya ◽  
Elena G Nazarenko

The article provides a modern view on features of different stages of a woman’s life. It presents information on pathogenetic basis and effectiveness of modern phytotherapy with a use of certified agents for a treatment of main pathological conditions associated with different stages of a woman’s life when the hypothalamic-pituitary-ovarian system’s function is formed, actively functions and then undergoes a gradual involution. The features of the use of herbal remedies in pathological conditions of the reproductive system (premenstrual syndrome, hyperprolactinemia, menopausal syndrome, mastalgia, etc.) are described. The article is illustrated with figures and tables for better understanding by clinicians. It emphasis on the features of herbal therapy, its high acceptability, safety and efficacy in the age aspect.


2020 ◽  
Vol 6 (1) ◽  
pp. 23-31
Author(s):  
M. Alisherova ◽  
◽  
M. Ismailova

Currently, there are no standard approaches to monitoring patients with ovarian cancer (OC). While the role of ultrasound (US) has been identified in the primary diagnosis of OS, it is still controversial during the subsequent surgical treatment of OC. In world statistics, ovarian cancer is consistently among the four main localizations of malignant tumors of the female reproductive system, along with tumors of the breast, body and cervix.


2009 ◽  
Vol 22 (2) ◽  
pp. 109-124 ◽  
Author(s):  
Zaher A. Radi ◽  
Rosemary A. Marusak ◽  
Dale L. Morris

2021 ◽  
Vol 22 (2) ◽  
pp. 477
Author(s):  
Guendalina Froechlich ◽  
Chiara Gentile ◽  
Luigia Infante ◽  
Carmen Caiazza ◽  
Pasqualina Pagano ◽  
...  

Background: HER2-based retargeted viruses are in advanced phases of preclinical development of breast cancer models. Mesothelin (MSLN) is a cell-surface tumor antigen expressed in different subtypes of breast and non-breast cancer. Its recent identification as a marker of some triple-negative breast tumors renders it an attractive target, presently investigated in clinical trials employing antibody drug conjugates and CAR-T cells. The availability of MSLN-retargeted oncolytic viruses may complement the current immunotherapeutic panel of biological drugs against HER2-negative breast and non-breast tumors. Methods: A fully virulent, tumor-targeted oncolytic Herpes simplex virus-1 (MSLN-THV) with a selectivity for mesothelin-expressing cancer cells was generated. Recombineering technology was used to replace an essential moiety of the viral glycoprotein D with antibody fragments derived from clinically validated MSLN monoclonal antibodies, and to allow IL12 cargo expression in infected cells. Panels of breast and female reproductive system cell lines were used to verify the oncolytic potential of the viral constructs. A platform for production of the retargeted viruses was developed in HEK 293 cells, providing stable expression of a suitable chimeric receptor. Results: We demonstrated the selectivity of viral infection and cytotoxicity by MSLN-retargeted viruses in a panel of mesothelin-positive cancer cells, originating from breast and female reproductive system tumors. We also developed a second-generation oncolytic MSLN-THV, encoding IL12, to enhance the immunotherapeutic potential of the viral backbone. A non-tumor cell line expressing a chimeric MSLN/Nectin-1 receptor, de-sensitized from antiviral responses by genetic inactivation of the Stimulator of Interferon Genes (STING)-dependent pathway was engineered, to optimize viral yields. Conclusions: Our proof-of-concept study proposes MSLN-retargeted herpesviruses as potential cancer immunotherapeutics for assessments in preclinical models of MSLN-positive tumors, complementing the available panel of oncolytic viruses to HER2-negative breast tumors.


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