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Oral encapsulated transforming growth factorβ1 reduces endogenous levels:Effect on inflammatory bowel disease

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World Journal of Gastrointestinal Pharmacology and Therapeutics 2020年第5期11卷 79-92页

作者： Laura Hammer stacia Furtado Edith Mathiowitz Dominick L Auci Department of Research and Development TherapyXBuffaloNY 14214United States Department of Molecular Pharmacology Brown UniversityProvidenceRI 02912United States

BACKGROUND TreXTAM®is a combination of the key regulatory cytokine transforming growth factor beta(TGFβ)and all trans retinoic acid(ATRA)microencapsulated for oral delivery to immune structures of the *** is in development as a novel treatment for inflammatory bowel disease(IBD).AIM To measure TGFβlevels in blood and tissue after oral administration of encapsulated TGFβ.METHODS Animals were orally administered encapsulated TGFβby *** of drug substance in blood and in gut tissues at various times after administration were measured by *** We made the surprising discovery that oral administration of TreXTAM dramatically(approximately 50%)and significantly(P=0.025)reduced TGFβlevels in colon,but not small intestine or mesenteric lymph ***,levels in rat serum after 25 d of thrice weekly dosing with either TreXTAM,or microencapsulated TGFβalone(denoted as TPX6001)were significantly(P<0.01)reduced from baseline *** tested in the SCID mouse CD4+CD25-adoptive cell transfer(ACT)model of IBD,oral TPX6001 alone provided only a transient benefit in terms of reduced weight *** These observations suggest a negative feedback mechanism in the gut whereby local delivery of TGFβresults in reduced local and systemic levels of the active form of TGFβ.Our findings suggest potential clinical implications for use of encapsulated TGFβ,perhaps in the context of IBD and/or other instances of fibrosis and/or pathological TGFβsignaling.

关键词： Transforming growth factor beta All trans retinoic acid Ulcerative colitis Crohn’s disease Inflammatory bowel disease Regulatory T cells

Prostate health index can stratify patients with Prostate Imaging Reporting and Data System score 3 lesions on magnetic resonance imaging to reduce prostate biopsies

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Asian Journal of Andrology 2024年第1期26卷 20-24页

作者： John Shung-Lai Leung Wai-Kit Ma Brian Sze-Ho Ho stacia Tsun-Tsun Chun Rong Na Yongle Zhan Chi-Yuen Ng Chi-Ho Ip Ada Tsui-Lin Ng Yiu-Chung Lam Division of Urology Department of SurgeryQueen Mary HospitalUniversity of Hong KongHong KongChina Division of Urology Department of SurgeryPrincess Margaret HospitalHongKongChina

We aim to evaluate prostate health index as an additional risk-stratification tool in patients with Prostate Imaging Reporting and Data System score 3 lesions on multiparametric magnetic resonance *** with biochemical or clinical suspicion of having prostate cancer who underwent multiparametric magnetic resonance imaging in two tertiary centers(Queen Mary Hospital and Princess Margaret Hospital,Hong Kong,China)between January 2017 and June 2022 were ***-magnetic resonance imaging fusion biopsies were performed after prostate health index *** who only had Prostate Imaging Reporting and Data System score 3 lesions were further stratified into four prostate health index risk groups and the cancer detection rates were *** of the 747 patients,47.3%had Prostate Imaging Reporting and Data System score 3 lesions *** detection rate of clinically significant prostate cancer in this group was 15.0%.The cancer detection rates of clinically significant prostate cancer had statistically significant differences:5.3%in prostate health index<25.0,7.4%in prostate health index 25.0-34.9,17.9%in prostate health index 35.0-54.9,and 52.6%in prostate health index≥55.0(P<0.01).Among the patients,26.9%could have avoided a biopsy with a prostate health index<25.0,at the expense of a 5.3%risk of missing clinically significant prostate *** health index could be used as an additional risk stratification tool for patients with Prostate Imaging Reporting and Data System score 3 *** could be avoided in patients with low prostate health index,with a small risk of missing clinically significant prostate cancer.

关键词： biopsy fusion biopsy magnetic resonance imaging prostate cancer prostate health index

Outcomes of radical prostatectomy in a 20-year localized prostate cancer single institution series in China

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Asian Journal of Andrology 2023年第3期25卷 345-349页

作者： Xiao-Hao Ruan Tsun Tsun stacia Chun Da Huang Hoi-Lung Wong Brian Sze-Ho Ho Chiu-Fung Tsang Terence Chun-Ting Lai Ada Tsui-Lin Ng Rong Na James Hok-Leung Tsu Division of Urology Department of SurgeryThe University of Hong KongHong KongChina Department of Urology Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghai 200025China Division of Urology Department of SurgeryQueen Mary HospitalHong KongChina

The long-term survival outcomes of radical prostatectomy(RP)in Chinese prostate cancer(PCa)patients are poorly *** conducted a single-center,retrospective analysis of patients undergoing RP to study the prognostic value of pathological and surgical *** April 1998 to February 2022,782 patients undergoing RP at Queen Mary Hospital of The University of Hong Kong(Hong Kong,China)were included in our *** Cox regression analysis and Kaplan–Meier analysis with stratification were *** 5-year,10-year,and 15-year overall survival(OS)rates were 96.6%,86.8%,and 70.6%,respectively,while the 5-year,10-year,and 15-year PCa-specific survival(PSS)rates were 99.7%,98.6%,and 97.8%,*** International Society of Urological Pathology PCa grades(ISUP Grade Group)≥4 was significantly associated with poorer PSS(hazard ratio[HR]=8.52,95%confidence interval[CI]:1.42–51.25,P=0.02).Pathological T3 stage was not significantly associated with PSS or OS in our *** node invasion and extracapsular extension might be associated with worse PSS(HR=20.30,95%CI:1.22–336.38,P=0.04;and HR=7.29,95%CI:1.22–43.64,P=0.03,respectively).Different surgical approaches(open,laparoscopic,or robotic-assisted)had similar outcomes in terms of PSS and *** conclusion,we report the longest timespan follow-up of Chinese PCa patients after RP with different approaches.

关键词： China oncologic outcome prostate cancer radical prostatectom

攀上高处,昂首挺立一个人如何着手打破世界纪录并且激励他人

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空中英语教室（高级版．彭蒙惠英语） 2019年第3期 30-31,45,46页

作者： stacia Glenn Tribune Content Agency, LLC. VICKY TSUNG(PAGE DESIGN) 陈信宏(译) 不详

科林· 奥布雷迪创下世界纪录,在21天里登完美国全部的50个高点,而且他这么做是为了你。当然,他这么做的部分原因是他喜欢扩展自己的体能极限,制造挑战,但另一部分也是因为他想要激励众人走出自己的后院,追求更活跃的生活。

关键词：后院部分活跃原因科林高点全部挑战