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Fulltext The Scenario of Adoption and Foster Care in Relation to the Reproductive Medicine Practice in Asia

Shiraishi E, Takae S, Faizal AM, Sugimoto K, Okamoto A, Suzuki N

Int J Environ Res Public Health, 2021 03 26;18(7).
PMID: 33810525 DOI: 10.3390/ijerph18073466

In vitro fertilization (IVF) is a hallmark of reproductive medicine. However, the inconclusive outcome leads to marital disharmonies; thus, the choices of gamete donation and surrogacy (GD/S) are often offered. In restricted countries, the child-rearing choice through foster/adoption care is promising, but the uptake remains low. We explore the current reproductive services and adoption scenarios in Asian countries to delineate this issue. The web and literature search using PubMed and Ichushi was conducted in Japanese and English using the keywords "adoption", "foster care", "reproductive medicine", including the interview with the respective Asian clinicians. We found that an established adoption system was seen in China, Malaysia, and the Philippines, mainly due to the restriction of GD/S. Although GD/S were allowed in Thailand, Singapore, and India, the different local affordability of IVF cost led to various adoption system scenarios. Nevertheless, the country's economic aspect does influence the establishment of adoption care, mainly due to financial support from local government. Otherwise, the significant barrier was the cultural/religious background leading to low adoption rates. We concluded that the adoption option should always be highlighted as an alternative strategy as it synergistically contributes to children's and infertile couples' welfare.
Asian perspective on debulking surgery for advanced ovarian cancer: An E-survey

Park SJ, Lee EJ, Lee TS, Wang KL, Okamoto A, Ochiai K, et al.

Eur J Surg Oncol, 2021 05;47(5):1111-1116.
PMID: 33303297 DOI: 10.1016/j.ejso.2020.11.012

PURPOSE: We performed an E-survey to evaluate the practice patterns in debulking surgery for advanced ovarian cancer in Asia.
METHODS: We designed a questionnaire, including 50 questions related to debulking surgery for advanced ovarian cancer. The questionnaire was sent to Gynecologic Oncologic Groups in Asia from December 2016 to February 2017.
RESULTS: A total of 253 gynecologic oncologists from Japan (58.9%), the Republic of Korea (19%), Taiwan (12.6%), and the other counties including China (7.5%), Malaysia (0.8%), Indonesia (0.8%), and Thailand (0.4%) participated in this E-survey. The median number of debulking surgeries per year was 20, and 46.8% of the respondents preferred <1 cm as the criterion for optimal debulking surgery (ODS). The most common barrier and surgical finding precluding ODS were performance status (74.3%) and disease involving the porta hepatis (71.5%). Moreover, 63.2% had a fellowship program, and only 15% or less had opportunities to receive additional training courses in general, thoracic, or urologic surgery. The median percentage of patients receiving neoadjuvant chemotherapy (NAC) was 30%, and the achieved rate of ODS in primary debulking surgery (PDS) and interval debulking surgery (IDS) was 65% and 80%, respectively. Most of the respondents required three to 6 h for PDS (48.6%) and IDS (58.9%). Moreover, more than 50% depended on ultra-radical surgery conducted by specialists.
CONCLUSIONS: The ODS criteria are relatively lenient with a preference for NAC in 30% of the respondents in Asia. This trend might be associated with the dependence on aggressive surgery performed by specialists.
Fulltext Role of exosomes as a proinflammatory mediator in the development of EBV-associated lymphoma

Higuchi H, Yamakawa N, Imadome KI, Yahata T, Kotaki R, Ogata J, et al.

Blood, 2018 06 07;131(23):2552-2567.
PMID: 29685921 DOI: 10.1182/blood-2017-07-794529

Epstein-Barr virus (EBV) causes various diseases in the elderly, including B-cell lymphoma such as Hodgkin's lymphoma and diffuse large B-cell lymphoma. Here, we show that EBV acts in trans on noninfected macrophages in the tumor through exosome secretion and augments the development of lymphomas. In a humanized mouse model, the different formation of lymphoproliferative disease (LPD) between 2 EBV strains (Akata and B95-8) was evident. Furthermore, injection of Akata-derived exosomes affected LPD severity, possibly through the regulation of macrophage phenotype in vivo. Exosomes collected from Akata-lymphoblastoid cell lines reportedly contain EBV-derived noncoding RNAs such as BamHI fragment A rightward transcript (BART) micro-RNAs (miRNAs) and EBV-encoded RNA. We focused on the exosome-mediated delivery of BART miRNAs. In vitro, BART miRNAs could induce the immune regulatory phenotype in macrophages characterized by the gene expressions of interleukin 10, tumor necrosis factor-α, and arginase 1, suggesting the immune regulatory role of BART miRNAs. The expression level of an EBV-encoded miRNA was strongly linked to the clinical outcomes in elderly patients with diffuse large B-cell lymphoma. These results implicate BART miRNAs as 1 of the factors regulating the severity of lymphoproliferative disease and as a diagnostic marker for EBV+ B-cell lymphoma.

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