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Grace G.L. Yue,Sau-Wan Cheng,Hua Yu,Zi-Sheng Xu,Julia K.M. Lee,Po-Ming Hon,Mavis Y.H. Lee,Edward J. Kennelly,Gary Deng,Simon K. Yeung,Barrie R. Cassileth,Kwok-Pui Fung,Ping-Chung Leung,Clara B.S. Lau 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.3
The rhizome of Curcuma longa (turmeric) is often used in Asia as a spice and as a medicine. Its most wellstudied component, curcumin, has been shown to exhibit poor bioavailability in animal studies and clinical trials. We hypothesized that the presence of lipophilic components (e.g., turmerones) in turmeric extract would affect the absorption of curcumin. The effects of turmerones on curcumin transport were evaluated in human intestinal epithelial Caco-2 cells. The roles of turmerones on P-glycoprotein (P-gp) activities and mRNA expression were also evaluated. Results showed that in the presence of a- and aromatic turmerones, the amount of curcumin transported into the Caco-2 cells in 2 hours was significantly increased. a-Turmerone and verapamil (a P-gp inhibitor) significantly inhibited the efflux of rhodamine-123 and digoxin (i.e.,inhibited the activity of P-gp). It is interesting that aromatic turmerone significantly increased the rhodamine-123 efflux and Pgp (MDR1 gene) mRNA expression levels. The effects of a- and aromatic turmerones on curcumin transport as well as P-gp activities were shown here for the first time. The presence of turmerones did affect the absorption of curcumin in vitro. These findings suggest the potential use of turmeric extract (including curcumin and turmerones), rather than curcumin alone, for treating diseases.
ARCO Consensus on the Pathogenesis of Non-traumatic Osteonecrosis of the Femoral Head
Quanjun Cui,Woo-Lam Jo,Kyung-Hoi Koo,Edward Y. Cheng,Wolf Drescher,Stuart B. Goodman,Yong-Chan Ha,Phillippe Hernigou,Lynne C. Jones,Shin-Yoon Kim,Kyu Sang Lee,Mel S. Lee,Yun Jong Lee,Michael A. Mont,N 대한의학회 2021 Journal of Korean medical science Vol.36 No.10
Osteonecrosis of the femoral head (ONFH) is a devastating disease frequently leading to femoral head collapse and hip arthritis. Specifically, non-traumatic ONFH primarily affects young and middle-aged adults. Although compromised local circulation of the femoral head seems to be pathognomonic for the disease, the pathogenesis is perplexing and continues to be an area of scrutiny and research. Comprehension of the pathogenesis is of crucial importance for developing and guiding treatments for the disease. Therefore, we provide an up-to-date consensus on the pathogenesis of non-traumatic ONFH.
Osteonecrosis of the Femoral Head: an Updated Review of ARCO on Pathogenesis, Staging and Treatment
Hines Jeremy T.,Jo Woo-Lam,Cui Quanjun,Mont Michael A.,Koo Kyung-Hoi,Cheng Edward Y.,Goodman Stuart B.,Ha Yong-Chan,Hernigou Phillippe,Jones Lynne C.,Kim Shin-Yoon,Sakai Takashi,Sugano Nobuhiko,Yamamo 대한의학회 2021 Journal of Korean medical science Vol.36 No.24
Non-traumatic osteonecrosis of the femoral head (ONFH) usually affects adults younger than 50 years and frequently leads to femoral head collapse and subsequent arthritis of the hip. It is becoming more prevalent along with increasing use of corticosteroids for the adjuvant therapy of leukemia and other myelogenous diseases as well as management of organ transplantation. This review updated knowledge on the pathogenesis, classification criteria, staging system, and treatment of ONFH.