Neonatal hypoxic-ischemic encephalopathy is often associated with permanent cerebral palsy,neurosensory impairments,and cognitive deficits,and there is no effective treatment for complications related to hypoxic-ische...Neonatal hypoxic-ischemic encephalopathy is often associated with permanent cerebral palsy,neurosensory impairments,and cognitive deficits,and there is no effective treatment for complications related to hypoxic-ischemic encephalopathy.The therapeutic potential of human placental chorionic plate-derived mesenchymal stem cells for various diseases has been explored.However,the potential use of human placental chorionic plate-derived mesenchymal stem cells for the treatment of neonatal hypoxic-ischemic encephalopathy has not yet been investigated.In this study,we injected human placental chorionic plate-derived mesenchymal stem cells into the lateral ventricle of a neonatal hypoxic-ischemic encephalopathy rat model and observed significant improvements in both cognitive and motor function.Protein chip analysis showed that interleukin-3 expression was significantly elevated in neonatal hypoxic-ischemic encephalopathy model rats.Following transplantation of human placental chorionic plate-derived mesenchymal stem cells,interleukin-3 expression was downregulated.To further investigate the role of interleukin-3 in neonatal hypoxic-ischemic encephalopathy,we established an in vitro SH-SY5Y cell model of hypoxic-ischemic injury through oxygen-glucose deprivation and silenced interleukin-3 expression using small interfering RNA.We found that the activity and proliferation of SH-SY5Y cells subjected to oxygen-glucose deprivation were further suppressed by interleukin-3 knockdown.Furthermore,interleukin-3 knockout exacerbated neuronal damage and cognitive and motor function impairment in rat models of hypoxic-ischemic encephalopathy.The findings suggest that transplantation of hpcMSCs ameliorated behavioral impairments in a rat model of hypoxic-ischemic encephalopathy,and this effect was mediated by interleukin-3-dependent neurological function.展开更多
BACKGROUND Epithelioid trophoblastic tumor(ETT)is an extremely rare malignant gestational trophoblastic neoplasm commonly presenting with abnormal vaginal bleeding,abdominal pain,and increased human chorionic gonadotr...BACKGROUND Epithelioid trophoblastic tumor(ETT)is an extremely rare malignant gestational trophoblastic neoplasm commonly presenting with abnormal vaginal bleeding,abdominal pain,and increased human chorionic gonadotropin(hCG).This study reported a case of uterine ETT with the main manifestation being increased hCG.CASE SUMMARY A 39-year-old female was referred to the Ningbo Maternal and Child Hospital of China in December 2022,complaining of increased hCG levels for 1 month.Magnetic resonance imaging revealed gestational trophoblastic tumor,and hysteroscopic electrotomy and curettage of intrauterine hyperplasia were performed.The patient was diagnosed with uterine ETT through postoperative pathological examination and immunohistochemical results.Total laparoscopic hysterectomy and bilateral salpingectomy were performed,and hCG levels returned to normal.The patient was without recurrence during the postoperative 3-month follow-up.CONCLUSION This study reported a case of uterine ETT with the main manifestation being increased hCG,highlighting that ETT should be considered in the presence of abnormal hCG.A total laparoscopic hysterectomy is recommended.展开更多
As one of the earliest markers for predicting pregnancy outcomes, human chorionic gonadotropin(h CG) values have been inconclusive on reliability of the prediction after frozen and fresh embryo transfer(ET). In this r...As one of the earliest markers for predicting pregnancy outcomes, human chorionic gonadotropin(h CG) values have been inconclusive on reliability of the prediction after frozen and fresh embryo transfer(ET). In this retrospective study, patients with positive h CG(day 12 after transfer) were included to examine the h CG levels and their predictive value for pregnancy outcomes following 214 fresh and 1513 vitrified-warmed single-blastocyst transfer cycles. For patients who got clinical pregnancy, the mean initial h CG value was significantly higher after frozen cycles than fresh cycles, and the similar result was demonstrated for patients with live births(LB). The difference in h CG value existed even after adjusting for the potential covariates. The area under curves(AUC) and threshold values calculated by receiver operator characteristic curves were 0.944 and 213.05 m IU/m L for clinical pregnancy after fresh ET, 0.894 and 399.50 m IU/m L for clinical pregnancy after frozen ET, 0.812 and 222.86 m IU/m L for LB after fresh ET, and 0.808 and 410.80 m IU/mL for LB after frozen ET with acceptable sensitivity and specificity, respectively. In conclusion, single frozen blastocyst transfer leads to higher initial h CG values than single fresh blastocyst transfer, and the initial h CG level is a reliable predictive factor for predicting IVF outcomes.展开更多
From the published data, the present mini-review attempts to answer two fundamental questions about the gestational trophoblastic neoplasms. In addition, it extrapolates the findings to other cancers that produce smal...From the published data, the present mini-review attempts to answer two fundamental questions about the gestational trophoblastic neoplasms. In addition, it extrapolates the findings to other cancers that produce small amounts of hCG and how a novel therapies could be developed.展开更多
To study the expression of beta-human chorionic gonadotropin (βhCG) genes in renal cell carcinomas (RCC) and benign renal disease tissues, nested reverse transcription-polymerase chain reaction (RT-PCR) and restricti...To study the expression of beta-human chorionic gonadotropin (βhCG) genes in renal cell carcinomas (RCC) and benign renal disease tissues, nested reverse transcription-polymerase chain reaction (RT-PCR) and restriction endonuclease analysis were employed to detect the expression of βhCG genes in 44 cases of RCC tissues and 24 cases of benign renal disease tissues It was found that 52% RCC samples revealed positive for βhCG mRNA expression Positive rate in advanced stage and poorly differentiated RCC was higher, but there was no significant difference The positive rate of βhCG mRNA expression was 54% in 24 cases of benign renal tissues, including 3 cases out of 6 polycystic kidneys, 7 cases out of 13 renal atrophies, 2 cases out of 2 oncocytomas and 1 case out of 2 pyonephrotic kidneys β7 was most frequently transcribed subtype gene independent on the histology These findings suggested βhCG gene transcription is not only involved in RCC but also in benign renal diseases展开更多
Angiotensin-(1 - 7) [Ang-(1 - 7)] is an endogenous heptapeptide hormone of the renin-angiotensin system that has antiproliferative properties. The aim of this work was to evaluate the anti-proliferative and pro-apopto...Angiotensin-(1 - 7) [Ang-(1 - 7)] is an endogenous heptapeptide hormone of the renin-angiotensin system that has antiproliferative properties. The aim of this work was to evaluate the anti-proliferative and pro-apoptotic properties of Ang-(1 - 7) and of Ang-(1 - 7)-substituents 9-fluorenylmethyloxycarbonyl (Fmoc) e Ang II-derivatives containing the TOAC (2,2,6,6-tetramethylpiperidine-N-oxyl-4-amino-4-carboxylic acid) in normal (MCF10A) and in tumoral (MCF7) epithelial mammary cell lines. Both cell lines received an hCG and angiotensin peptides 24-hour treatment, in combination or alone followed by cell viability, apoptosis and cell cycle assays performed by flow cytometer (GUAVA). After hCG, Ang-(1 - 7), hCG + Ang-(1 - 7) and hCG + Ang-(1 - 7)-Fmoc treatments, MCF7 displayed cell viability decrease and mid-apoptosis increase. We also observed cell viability decrease in MCF10A after Ang-(1 - 7), Ang-(1 - 7) Fmoc and hCG + AngII Toac treatments. These cells had an increase in late apoptosis and necrosis after AngII Toac, hCG + Ang-(1 - 7) and hCG + Ang-(1 - 7)-Fmoc treatments. Regarding the cell cycle analysis, we did not observed any changes in cell cycle phases. In summary, cell viability was decreased and apoptosis (initial, mid and late) was increased after hCG and/or Ang-(1 - 7) peptides treatments. These results point out hCG and Ang-(1 - 7) as effective compounds to inhibit cell proliferation, since they decrease cell viability and increase apoptosis in both normal and in tumoral breast cells, being the effect more pronounced in the tumoral cell line. Our results support the idea of investigating more closely the putative use of these compounds as novel therapeutic agents for breast cancer.展开更多
In this study, the immuno-response of recombinant hCG-β and natural hCGβ was comparatively investigated by using Freund's adjuvant. The results showed that, the properties and merits of the antibodies elicited b...In this study, the immuno-response of recombinant hCG-β and natural hCGβ was comparatively investigated by using Freund's adjuvant. The results showed that, the properties and merits of the antibodies elicited by both kinds of hCG-β were similar. The antisera had high affinity for binding with hCG (Kαγβ≈5.86×108/mol/L, Kαβ≈8.18×108/mol/L), and were found to be effective in inhibiting the binding of 125I-hCG to receptors in rat testes. Results also indicated that, similar to the antisera induced by natural hCG-β, the recombinant hCG-β induced antisera had capacity of neutralizing the biological activities of hCG. Recombinant hCG-β could be used as an immunogen for contraceptive vaccine.展开更多
Objective:To explore the effect of different fertilization time after human chorionic gonadotropin(HCG)injection on the outcome of fertilization in vitro fertilization-embryo transfer(IVF-ET).Methods:One thousand one ...Objective:To explore the effect of different fertilization time after human chorionic gonadotropin(HCG)injection on the outcome of fertilization in vitro fertilization-embryo transfer(IVF-ET).Methods:One thousand one hundred and forty IVF-ET cycles from January 2016 to August 2018 were analyzed retrospectively.According to the different fertilization time after injection of HCG divided into four groups:Group A(38.0 h~39.0 h),Group B(39.1 h~40.0 h),Group C(40.1 h~41.0 h),and Group D(41.1 h~42.0 h).The normal fertilization rate,the normal cleavage rate,the embryo utilization rate,the high-quality embryo rate,the clinical pregnancy rate,the implantation rate,and the spontaneous abortion rate were analyzed among the groups.Then we investigated the effect of different promotion methods on the outcome of fertilization during the optimal fertilization time.Results:There was no significant difference in 2PN cleavage rate,available embryo rate,clinical pregnancy rate,implantation rate and abortion rate among the four groups(P>0.05).The high-quality embryo rate in Group D(44.6%)was the highest,and was significantly different among the four groups(P<0.05).The normal fertilization rate in Group D(71.6%)was the highest,and was significantly different among the four groups(P<0.05).The normal fertilization rate(78.1%)of antagonist group was significantly higher than other groups(P<0.05).Conclusion:The different fertilization time after HCG injection have effects on high-quality embryo rate and normal fertilization rate of patients in IVF-ET.The appropriate fertilization time of patients in IVF-ET was 41 h~42 h after HCG injection in our reproductive center,improved the clinical pregnancy rate and reduced the early abortion rate.The GnRH-ant protocol is superior to other protocol in IVF-ET.展开更多
Seperation and purifitation of human chorionic gonadotropion (HCG) in theurine sample of early pregnant women by D3520 resin adsorption chromatographyis repaied. The crude product obtained by DEAE - Cellulose 23 and ...Seperation and purifitation of human chorionic gonadotropion (HCG) in theurine sample of early pregnant women by D3520 resin adsorption chromatographyis repaied. The crude product obtained by DEAE - Cellulose 23 and DEAE Sephadex A50 column chromatography showed a high activity of HCG. Furtherpurifikation of the sample by gel filtration chromatography on a Sephadex G75 column gives a final preparation of 6000~ 6500 IU/mg. The preparation meets therequiTements of the pyrogn test in Chinese Law of Pharmacopoeia.展开更多
目的探讨人绒毛膜促性腺激素(human chorionic gonadotrophin,hCG)激发试验在诊断不同分型性发育异常(disorder of sexual development,DSD)患儿中的价值。方法回顾性分析132例DSD患儿,按染色体核型分为46,XX组(n=10)、46,XY组(n=87)、...目的探讨人绒毛膜促性腺激素(human chorionic gonadotrophin,hCG)激发试验在诊断不同分型性发育异常(disorder of sexual development,DSD)患儿中的价值。方法回顾性分析132例DSD患儿,按染色体核型分为46,XX组(n=10)、46,XY组(n=87)、性染色体异常组(n=35),比较各组患儿hCG激发试验前后的性激素水平,分析形态学上是否存在睾丸组织对hCG激发试验结果的影响。结果3组患儿激发试验后睾酮(testosterone,T)增加倍数比较差异无统计学意义(P>0.05)。46,XY组中,5α-还原酶2缺乏症患儿激发试验后的T与双氢睾酮(dihydrotestosterone,DHT)比值高于其他46,XY DSD患儿(P<0.05)。形态学上,有睾丸组织的DSD患儿激发试验后T增加倍数高于无睾丸组织患儿(P<0.05)。结论hCG激发试验对于评估不同类型的DSD患儿的睾丸间质细胞存在和功能均具有重要价值,对于性腺性质不明确的DSD患儿,均建议行hCG激发试验。展开更多
基金supported by the National Natural Science Foundation of China,No.82001604Guizhou Provincial Higher Education Science and Technology Innovation Team,No.[2023]072+1 种基金Guizhou Province Distinguished Young Scientific and Technological Talent Program,No.YQK[2023]040Guizhou Provincial Basic Research Program(Natural Science),No.ZK[2021]-368(all to LXiong),and Zunyi City Innovative Talent Team Training Plan,No.[2022]-2.
文摘Neonatal hypoxic-ischemic encephalopathy is often associated with permanent cerebral palsy,neurosensory impairments,and cognitive deficits,and there is no effective treatment for complications related to hypoxic-ischemic encephalopathy.The therapeutic potential of human placental chorionic plate-derived mesenchymal stem cells for various diseases has been explored.However,the potential use of human placental chorionic plate-derived mesenchymal stem cells for the treatment of neonatal hypoxic-ischemic encephalopathy has not yet been investigated.In this study,we injected human placental chorionic plate-derived mesenchymal stem cells into the lateral ventricle of a neonatal hypoxic-ischemic encephalopathy rat model and observed significant improvements in both cognitive and motor function.Protein chip analysis showed that interleukin-3 expression was significantly elevated in neonatal hypoxic-ischemic encephalopathy model rats.Following transplantation of human placental chorionic plate-derived mesenchymal stem cells,interleukin-3 expression was downregulated.To further investigate the role of interleukin-3 in neonatal hypoxic-ischemic encephalopathy,we established an in vitro SH-SY5Y cell model of hypoxic-ischemic injury through oxygen-glucose deprivation and silenced interleukin-3 expression using small interfering RNA.We found that the activity and proliferation of SH-SY5Y cells subjected to oxygen-glucose deprivation were further suppressed by interleukin-3 knockdown.Furthermore,interleukin-3 knockout exacerbated neuronal damage and cognitive and motor function impairment in rat models of hypoxic-ischemic encephalopathy.The findings suggest that transplantation of hpcMSCs ameliorated behavioral impairments in a rat model of hypoxic-ischemic encephalopathy,and this effect was mediated by interleukin-3-dependent neurological function.
文摘BACKGROUND Epithelioid trophoblastic tumor(ETT)is an extremely rare malignant gestational trophoblastic neoplasm commonly presenting with abnormal vaginal bleeding,abdominal pain,and increased human chorionic gonadotropin(hCG).This study reported a case of uterine ETT with the main manifestation being increased hCG.CASE SUMMARY A 39-year-old female was referred to the Ningbo Maternal and Child Hospital of China in December 2022,complaining of increased hCG levels for 1 month.Magnetic resonance imaging revealed gestational trophoblastic tumor,and hysteroscopic electrotomy and curettage of intrauterine hyperplasia were performed.The patient was diagnosed with uterine ETT through postoperative pathological examination and immunohistochemical results.Total laparoscopic hysterectomy and bilateral salpingectomy were performed,and hCG levels returned to normal.The patient was without recurrence during the postoperative 3-month follow-up.CONCLUSION This study reported a case of uterine ETT with the main manifestation being increased hCG,highlighting that ETT should be considered in the presence of abnormal hCG.A total laparoscopic hysterectomy is recommended.
文摘As one of the earliest markers for predicting pregnancy outcomes, human chorionic gonadotropin(h CG) values have been inconclusive on reliability of the prediction after frozen and fresh embryo transfer(ET). In this retrospective study, patients with positive h CG(day 12 after transfer) were included to examine the h CG levels and their predictive value for pregnancy outcomes following 214 fresh and 1513 vitrified-warmed single-blastocyst transfer cycles. For patients who got clinical pregnancy, the mean initial h CG value was significantly higher after frozen cycles than fresh cycles, and the similar result was demonstrated for patients with live births(LB). The difference in h CG value existed even after adjusting for the potential covariates. The area under curves(AUC) and threshold values calculated by receiver operator characteristic curves were 0.944 and 213.05 m IU/m L for clinical pregnancy after fresh ET, 0.894 and 399.50 m IU/m L for clinical pregnancy after frozen ET, 0.812 and 222.86 m IU/m L for LB after fresh ET, and 0.808 and 410.80 m IU/mL for LB after frozen ET with acceptable sensitivity and specificity, respectively. In conclusion, single frozen blastocyst transfer leads to higher initial h CG values than single fresh blastocyst transfer, and the initial h CG level is a reliable predictive factor for predicting IVF outcomes.
文摘From the published data, the present mini-review attempts to answer two fundamental questions about the gestational trophoblastic neoplasms. In addition, it extrapolates the findings to other cancers that produce small amounts of hCG and how a novel therapies could be developed.
文摘To study the expression of beta-human chorionic gonadotropin (βhCG) genes in renal cell carcinomas (RCC) and benign renal disease tissues, nested reverse transcription-polymerase chain reaction (RT-PCR) and restriction endonuclease analysis were employed to detect the expression of βhCG genes in 44 cases of RCC tissues and 24 cases of benign renal disease tissues It was found that 52% RCC samples revealed positive for βhCG mRNA expression Positive rate in advanced stage and poorly differentiated RCC was higher, but there was no significant difference The positive rate of βhCG mRNA expression was 54% in 24 cases of benign renal tissues, including 3 cases out of 6 polycystic kidneys, 7 cases out of 13 renal atrophies, 2 cases out of 2 oncocytomas and 1 case out of 2 pyonephrotic kidneys β7 was most frequently transcribed subtype gene independent on the histology These findings suggested βhCG gene transcription is not only involved in RCC but also in benign renal diseases
基金supported by Grants number 2007/56480-0,2008/54383-0 and 2011/10516-0 from the Sao Paulo Research Foundation(FAPESP)-Brazil.
文摘Angiotensin-(1 - 7) [Ang-(1 - 7)] is an endogenous heptapeptide hormone of the renin-angiotensin system that has antiproliferative properties. The aim of this work was to evaluate the anti-proliferative and pro-apoptotic properties of Ang-(1 - 7) and of Ang-(1 - 7)-substituents 9-fluorenylmethyloxycarbonyl (Fmoc) e Ang II-derivatives containing the TOAC (2,2,6,6-tetramethylpiperidine-N-oxyl-4-amino-4-carboxylic acid) in normal (MCF10A) and in tumoral (MCF7) epithelial mammary cell lines. Both cell lines received an hCG and angiotensin peptides 24-hour treatment, in combination or alone followed by cell viability, apoptosis and cell cycle assays performed by flow cytometer (GUAVA). After hCG, Ang-(1 - 7), hCG + Ang-(1 - 7) and hCG + Ang-(1 - 7)-Fmoc treatments, MCF7 displayed cell viability decrease and mid-apoptosis increase. We also observed cell viability decrease in MCF10A after Ang-(1 - 7), Ang-(1 - 7) Fmoc and hCG + AngII Toac treatments. These cells had an increase in late apoptosis and necrosis after AngII Toac, hCG + Ang-(1 - 7) and hCG + Ang-(1 - 7)-Fmoc treatments. Regarding the cell cycle analysis, we did not observed any changes in cell cycle phases. In summary, cell viability was decreased and apoptosis (initial, mid and late) was increased after hCG and/or Ang-(1 - 7) peptides treatments. These results point out hCG and Ang-(1 - 7) as effective compounds to inhibit cell proliferation, since they decrease cell viability and increase apoptosis in both normal and in tumoral breast cells, being the effect more pronounced in the tumoral cell line. Our results support the idea of investigating more closely the putative use of these compounds as novel therapeutic agents for breast cancer.
文摘In this study, the immuno-response of recombinant hCG-β and natural hCGβ was comparatively investigated by using Freund's adjuvant. The results showed that, the properties and merits of the antibodies elicited by both kinds of hCG-β were similar. The antisera had high affinity for binding with hCG (Kαγβ≈5.86×108/mol/L, Kαβ≈8.18×108/mol/L), and were found to be effective in inhibiting the binding of 125I-hCG to receptors in rat testes. Results also indicated that, similar to the antisera induced by natural hCG-β, the recombinant hCG-β induced antisera had capacity of neutralizing the biological activities of hCG. Recombinant hCG-β could be used as an immunogen for contraceptive vaccine.
基金National Natural Science Foundation of China(No.81460236)Major Science and Technology Program of Hainan Province(No.ZDKJ2017007)Innovative Project for Postgraduate of Hainan Province(No.Hys2018-281)。
文摘Objective:To explore the effect of different fertilization time after human chorionic gonadotropin(HCG)injection on the outcome of fertilization in vitro fertilization-embryo transfer(IVF-ET).Methods:One thousand one hundred and forty IVF-ET cycles from January 2016 to August 2018 were analyzed retrospectively.According to the different fertilization time after injection of HCG divided into four groups:Group A(38.0 h~39.0 h),Group B(39.1 h~40.0 h),Group C(40.1 h~41.0 h),and Group D(41.1 h~42.0 h).The normal fertilization rate,the normal cleavage rate,the embryo utilization rate,the high-quality embryo rate,the clinical pregnancy rate,the implantation rate,and the spontaneous abortion rate were analyzed among the groups.Then we investigated the effect of different promotion methods on the outcome of fertilization during the optimal fertilization time.Results:There was no significant difference in 2PN cleavage rate,available embryo rate,clinical pregnancy rate,implantation rate and abortion rate among the four groups(P>0.05).The high-quality embryo rate in Group D(44.6%)was the highest,and was significantly different among the four groups(P<0.05).The normal fertilization rate in Group D(71.6%)was the highest,and was significantly different among the four groups(P<0.05).The normal fertilization rate(78.1%)of antagonist group was significantly higher than other groups(P<0.05).Conclusion:The different fertilization time after HCG injection have effects on high-quality embryo rate and normal fertilization rate of patients in IVF-ET.The appropriate fertilization time of patients in IVF-ET was 41 h~42 h after HCG injection in our reproductive center,improved the clinical pregnancy rate and reduced the early abortion rate.The GnRH-ant protocol is superior to other protocol in IVF-ET.
文摘Seperation and purifitation of human chorionic gonadotropion (HCG) in theurine sample of early pregnant women by D3520 resin adsorption chromatographyis repaied. The crude product obtained by DEAE - Cellulose 23 and DEAE Sephadex A50 column chromatography showed a high activity of HCG. Furtherpurifikation of the sample by gel filtration chromatography on a Sephadex G75 column gives a final preparation of 6000~ 6500 IU/mg. The preparation meets therequiTements of the pyrogn test in Chinese Law of Pharmacopoeia.
文摘目的探讨人绒毛膜促性腺激素(human chorionic gonadotrophin,hCG)激发试验在诊断不同分型性发育异常(disorder of sexual development,DSD)患儿中的价值。方法回顾性分析132例DSD患儿,按染色体核型分为46,XX组(n=10)、46,XY组(n=87)、性染色体异常组(n=35),比较各组患儿hCG激发试验前后的性激素水平,分析形态学上是否存在睾丸组织对hCG激发试验结果的影响。结果3组患儿激发试验后睾酮(testosterone,T)增加倍数比较差异无统计学意义(P>0.05)。46,XY组中,5α-还原酶2缺乏症患儿激发试验后的T与双氢睾酮(dihydrotestosterone,DHT)比值高于其他46,XY DSD患儿(P<0.05)。形态学上,有睾丸组织的DSD患儿激发试验后T增加倍数高于无睾丸组织患儿(P<0.05)。结论hCG激发试验对于评估不同类型的DSD患儿的睾丸间质细胞存在和功能均具有重要价值,对于性腺性质不明确的DSD患儿,均建议行hCG激发试验。