76
|
Chen C, He X, Jing WY, Qiu Y, Chen M, Luo TY, Liu XY, Chen HJ, Zhang HY, Bu H. [Diagnostic value of MDM2 RNA in situ hybridization in atypical lipomatous tumor/well-differentiated liposarcoma and dedifferentiated liposarcoma]. ZHONGHUA BING LI XUE ZA ZHI = CHINESE JOURNAL OF PATHOLOGY 2022; 51:190-195. [PMID: 35249280 DOI: 10.3760/cma.j.cn112151-20211029-00785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate the value of MDM2 RNA in situ hybridization (RNA-ISH) in diagnosing atypical lipomatous tumor/well-differentiated liposarcoma (ALT/WDL) and dedifferentiated liposarcoma (DDL). Methods: A total of 26 ALT/WDL/DDLs diagnosed from March 2017 to May 2019 in West China Hospital, Sichuan University, Chengdu, China and 18 control cases were included. MDM2 RNA-ISH was performed on all samples and compared with the fluorescence in situ hybridization (FISH) and immunohistochemistry (IHC) regarding their performance in detecting MDM2. Results: All samples were detected successfully using the three methods. Among 26 ALT/WDL/DDLs, all cases showed MDM2 amplification and positivity for MDM2 RNA-ISH (26/26, 100%). Twenty-four (24/26, 92.3%) of the 26 tested cases were positive for MDM2 IHC while two of them were negative. Eighteen control cases were all negative for MDM2 FISH and RNA-ISH, and 15 (15/18) cases were negative for MDM2 IHC. The sensitivity and specificity of RNA-ISH were both 100%, and those of MDM2 IHC were 92.3% and 83.3%, respectively. Diffuse staining was identified in all MDM2 RNA-ISH positive ALT/WDL/DDLs, but identified in only 8/24 (33.3%) of the MDM2 IHC positive cases. Among the 11 ALT/WDL/DDL samples evaluated on tissue microarray, the positive rate of MDM2 RNA-ISH was 100% with diffuse staining in all cases. The positive rate of MDM2 IHC was 9/11 while only 1 of the 9 cases showed diffuse staining. The result of MDM2 RNA-ISH was identical to that of MDM2 FISH and was overall consistent with that of MDM2 IHC (Kappa=0.763, P<0.001). Conclusions: In ALT/WDL/DDLs, results of MDM2 RNA-ISH are highly consistent with those of FISH. MDM2 RNA-ISH is more sensitive and more specific and has more diffuse positive signals than the IHC. The findings indicate that MDM2 RNA-ISH is highly valuable for the diagnosis and differential diagnosis of ALT/WDL/DDLs.
Collapse
|
77
|
Lin M, He X, Guo H, He M, Zhang L, Xian J, Lei T, Xu Q, Zheng J, Feng J, Hao C, Yang Y, Wang N, Xie H. Use of real-time artificial intelligence in detection of abnormal image patterns in standard sonographic reference planes in screening for fetal intracranial malformations. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2022; 59:304-316. [PMID: 34940999 DOI: 10.1002/uog.24843] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 11/02/2021] [Accepted: 11/25/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVES To develop and validate an artificial intelligence system, the Prenatal ultrasound diagnosis Artificial Intelligence Conduct System (PAICS), to detect different patterns of fetal intracranial abnormality in standard sonographic reference planes for screening for congenital central nervous system (CNS) malformations. METHODS Neurosonographic images from normal fetuses and fetuses with CNS malformations at 18-40 gestational weeks were retrieved from the databases of two tertiary hospitals in China and assigned randomly (ratio, 8:1:1) to training, fine-tuning and internal validation datasets to develop and evaluate the PAICS. The system was built based on a real-time convolutional neural network (CNN) algorithm, You Only Look Once, version 3 (YOLOv3). An image dataset from a third tertiary hospital was used to further validate, externally, the performance of the PAICS and to compare its performance with that of sonologists with different levels of expertise. Furthermore, a prospective video dataset was employed to evaluate the performance of the PAICS in a real-time scan scenario. The diagnostic accuracy, sensitivity, specificity and area under the receiver-operating-characteristics curve (AUC) were calculated to assess the performance of the PAICS and to compare this with the performance of sonologists with different levels of experience. RESULTS In total, 43 890 images from 16 297 pregnancies and 169 videos from 166 pregnancies were used to develop and validate the PAICS. The system achieved excellent performance in identifying 10 types of intracranial image pattern, with macro- and microaverage AUCs, respectively, of 0.933 (95% CI, 0.798-1.000) and 0.977 (95% CI, 0.970-0.985) for the internal validation image dataset, 0.902 (95% CI, 0.816-0.989) and 0.898 (95% CI, 0.885-0.911) for the external validation image dataset and 0.969 (95% CI, 0.886-1.000) and 0.981 (95% CI, 0.974-0.988) in the real-time scan setting. The performance of the PAICS was comparable to that of expert sonologists in terms of macro- and microaverage accuracy (P = 0.863 and P = 0.775, respectively), sensitivity (P = 0.883, P = 0.846) and AUC (P = 0.891, P = 0.788), but required significantly less time (0.025 s per image for PAICS vs 4.4 s for experts, P < 0.001). CONCLUSIONS Both in the image dataset and in the real-time scan setting, the PAICS achieved excellent diagnostic performance for various fetal CNS abnormalities. Its performance was comparable to that of experts, but it required less time. A CNN algorithm can be trained to detect fetal CNS abnormalities. The PAICS has the potential to be an effective and efficient tool in screening for fetal CNS malformations in clinical practice. © 2021 International Society of Ultrasound in Obstetrics and Gynecology.
Collapse
|
78
|
Yu SS, Ma MY, Zhou R, Liang R, Duan Z, Wang J, Tian Y, Jiang J, He X, Zhou Q. Methotrexate/mifepristone-combined with embryo removal in the treatment of caesarean scar pregnancy. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2022; 26:1984-1993. [PMID: 35363349 DOI: 10.26355/eurrev_202203_28347] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The aim of this study was to compare the effect of different administration modalities of methotrexate (MTX)/mifepristone in the initial medication stage, followed by embryo transfer in the treatment of caesarean scar pregnancy (CSP). PATIENTS AND METHODS A retrospective analysis of 66 CSP patients who received treatment in our hospital from January 2015 to July 2021 was performed, and participants were divided into three groups: Group one (n=14) received mifepristone followed by embryo removal treatment, Group two (n=29) received MTX followed by embryo removal, and Group three (n=23) received a methotrexate/mifepristone combined treatment followed by embryo removal. The basic findings were analysed, along with the curative effects between the three groups. Risk factors predicting additional treatment after initial intervention failure were analysed. RESULTS There were statistically significant differences in gestational age, hospitalization days, costs, myometrial thickness, cardiac activity, and mean sac diameter between groups (p<0.05) after grouping by eight weeks. The initial intervention success rates were 92.86%, 89.66%, and 65.22% in Group one, two, and three, respectively (p<0.05), while the complication rates were 14.29%, 6.90%, and 26.87%, respectively (p>0.05). After grouping according to eight weeks of gestational age, the difference in initial serum β-hCG between Group two and three was statistically significant (p<0.05). Mean sac diameter was a risk factor for additional treatment after initial intervention failure, with an odds ratio of 1.113 (p<0.05). A cut-off of 22.75 mm was a preferable indicator. CONCLUSIONS MTX/mifepristone followed by embryo removal is a reliable way to treat CSP. Mean sac diameter was a risk factor for additional treatment after initial intervention failure.
Collapse
|
79
|
Acharya U, Aidala C, Akiba Y, Alfred M, Andrieux V, Apadula N, Asano H, Azmoun B, Babintsev V, Bandara N, Barish K, Bathe S, Bazilevsky A, Beaumier M, Belmont R, Berdnikov A, Berdnikov Y, Bichon L, Blankenship B, Blau D, Bok J, Borisov V, Brooks M, Bryslawskyj J, Bumazhnov V, Campbell S, Canoa Roman V, Cervantes R, Chiu M, Chi C, Choi I, Choi J, Citron Z, Connors M, Corliss R, Cronin N, Csörgő T, Csanád M, Danley T, Daugherity M, David G, DeBlasio K, Dehmelt K, Denisov A, Deshpande A, Desmond E, Dion A, Dixit D, Do J, Drees A, Drees K, Durham J, Durum A, En’yo H, Enokizono A, Esha R, Esumi S, Fadem B, Fan W, Feege N, Fields D, Finger M, Finger M, Fitzgerald D, Fokin S, Frantz J, Franz A, Frawley A, Fukuda Y, Gallus P, Gal C, Garg P, Ge H, Giles M, Giordano F, Goto Y, Grau N, Greene S, Grosse Perdekamp M, Gunji T, Guragain H, Hachiya T, Haggerty J, Hahn K, Hamagaki H, Hamilton H, Hanks J, Han S, Harvey M, Hasegawa S, Haseler T, Hemmick T, He X, Hill J, Hill K, Hodges A, Hollis R, Homma K, Hong B, Hoshino T, Hotvedt N, Huang J, Imai K, Inaba M, Iordanova A, Isenhower D, Ivanishchev D, Jacak B, Jezghani M, Jiang X, Ji Z, Johnson B, Jouan D, Jumper D, Kang J, Kapukchyan D, Karthas S, Kawall D, Kazantsev A, Khachatryan V, Khanzadeev A, Khatiwada A, Kim C, Kim EJ, Kim M, Kim T, Kincses D, Kingan A, Kistenev E, Klatsky J, Kline P, Koblesky T, Kotov D, Kovacs L, Kudo S, Kurita K, Kwon Y, Lajoie J, Larionova D, Lebedev A, Lee S, Lee S, Leitch M, Leung Y, Lewis N, Lim S, Liu M, Li X, Loggins VR, Loomis D, Lovasz K, Lynch D, Lökös S, Majoros T, Makdisi Y, Makek M, Manko V, Mannel E, McCumber M, McGaughey P, McGlinchey D, McKinney C, Mendoza M, Mignerey A, Milov A, Mishra D, Mitchell J, Mitrankova M, Mitrankov I, Mitrankov I, Mitsuka G, Miyasaka S, Mizuno S, Mondal M, Montuenga P, Moon T, Morrison D, Mulilo B, Murakami T, Murata J, Nagai K, Nagashima K, Nagashima T, Nagle J, Nagy M, Nakagawa I, Nakano K, Nattrass C, Nelson S, Niida T, Nouicer R, Novák T, Novitzky N, Nukazuka G, Nyanin A, O’Brien E, Ogilvie C, Orjuela Koop J, Osborn J, Oskarsson A, Ottino G, Ozawa K, Pantuev V, Papavassiliou V, Park J, Park S, Patel M, Pate S, Peng W, Perepelitsa D, Perera G, Peressounko D, PerezLara C, Perry J, Petti R, Phipps M, Pinkenburg C, Pisani R, Potekhin M, Pun A, Purschke M, Radzevich P, Ramasubramanian N, Read K, Reynolds D, Riabov V, Riabov Y, Richford D, Rinn T, Rolnick S, Rosati M, Rowan Z, Runchey J, Safonov A, Sakaguchi T, Sako H, Samsonov V, Sarsour M, Sato S, Schaefer B, Schmoll B, Sedgwick K, Seidl R, Sen A, Seto R, Sexton A, Sharma D, Shein I, Shibata TA, Shigaki K, Shimomura M, Shioya T, Shukla P, Sickles A, Silva C, Silvermyr D, Singh B, Singh C, Singh V, Slunečka M, Smith K, Snowball M, Soltz R, Sondheim W, Sorensen S, Sourikova I, Stankus P, Stoll S, Sugitate T, Sukhanov A, Sumita T, Sun J, Sun Z, Sziklai J, Tanida K, Tannenbaum M, Tarafdar S, Taranenko A, Tarnai G, Tieulent R, Timilsina A, Todoroki T, Tomášek M, Towell C, Towell R, Tserruya I, Ueda Y, Ujvari B, van Hecke H, Velkovska J, Virius M, Vrba V, Vukman N, Wang X, Watanabe Y, Wong C, Woody C, Xue L, Xu C, Xu Q, Yalcin S, Yamaguchi Y, Yamamoto H, Yanovich A, Yoon I, Yoo J, Yushmanov I, Yu H, Zajc W, Zelenski A, Zharko S, Zou L. Transverse-single-spin asymmetries of charged pions at midrapidity in transversely polarized
p+p
collisions at
s=200 GeV. Int J Clin Exp Med 2022. [DOI: 10.1103/physrevd.105.032003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
80
|
Wang Y, Xu J, Wang Y, Xiang L, He X. S-20, a steroidal saponin from the berries of black nightshade, exerts anti-multidrug resistance activity in K562/ADR cells through autophagic cell death and ERK activation. Food Funct 2022; 13:2200-2215. [PMID: 35119449 DOI: 10.1039/d1fo03191k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Multidrug resistance (MDR) is a major cause of chemotherapy failure. Adriamycin (ADR) has been widely used to treat cancer, however, as a substrate of the adenosine triphosphate binding cassette (ABC) transporter, it is easy to develop drug resistance during the treatment. Here, we demonstrated that steroidal saponin S-20 isolated from the berries of black nightshade has comparable cytotoxicity in ADR-sensitive and resistant K562 cell lines. Autophagy is generally considered to be a protective mechanism to mediate MDR during treatment. However, we found that S-20-induced cell death in K562/ADR is associated with autophagy. We further explored the underlying mechanisms and found that S-20 induces caspase-dependent apoptosis in ADR-sensitive and resistant K562 cell lines. Most importantly, S-20-induced autophagy activates the ERK pathway and then inhibits the expression of drug resistance protein, which is the main reason to overcome K562/ADR resistance, rather than apoptosis. Taken together, our findings emphasize that S-20 exerts anti-multidrug resistance activity in K562/ADR cells through autophagic cell death and ERK activation, which may be considered as an effective strategy.
Collapse
|
81
|
Yu SY, Zhang JH, Li KX, Chen H, Wang HM, He X, Shi ZS, Zhu S, Cui ZC. A Novel Chemical Binding Primer to Improve Dentin Bonding Durability. J Dent Res 2022; 101:777-784. [PMID: 35114828 DOI: 10.1177/00220345221074910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The dentin collagen matrix that is not completely enveloped by resin adhesive is vulnerable to degradation by intrinsic collagenases during the etch-and-rinse process, which contributes to the deterioration of the bonding interface. Current commercial adhesives have no functional components that can form covalent bonds to the dentin collagen matrix. In this study, a photocurable aldehyde, 4-formylphenyl acrylate (FA), was synthesized and for the first time applied as a primer in adhesive dentistry to covalently bind to collagen. Experimental groups with different concentrations of FA (1%, 3%, 5%, 7%, 9%) were prepared as primers. The cytotoxicity was evaluated by live/dead-cell staining and thiazolyl blue tetrazolium bromide assay. The interaction of FA with collagen was examined by attenuated total reflection Fourier transform infrared spectroscopy, hydroxyproline release under the degradation of type I collagenase, and thermogravimetric analysis. An optimal group was selected based on the degree of conversion of 2 universal adhesives and further divided depending on the treatment time (20 s, 30 s, 1 min, 2 min). The bonding performances were evaluated by microtensile strength before and after aging. Finally, the bonding interface was observed under confocal laser scanning microscopy and scanning electron microscope. The results indicated that FA demonstrated good biocompatibility, dentin modification capability, and infiltration. It not only effectively cross-linked dentin collagen to improve its stability against enzymatic hydrolysis and modify the adhesive interface but also potentially acted as a diluting monomer to induce deep penetration of adhesive resin monomers into the dentin. The bonding strength after aging was improved without jeopardizing the degree of conversion of 2 commercial adhesives. Such prominent advantages of using FA to improve the bonding performance promotes its further application in adhesive dentistry.
Collapse
|
82
|
Li J, Wang R, Wang Y, Zeng J, Xu Z, Xu J, He X. Anti-Inflammatory Benzofuran Neolignans from the Fruits of Canarium album (Chinese Olive). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:1122-1133. [PMID: 35049305 DOI: 10.1021/acs.jafc.1c06457] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Chinese olive is a well-known fruit in China. In this study, we explored anti-inflammatory phytochemicals of Chinese olive fruit, which led to the isolation of nine pairs of new enantiomers of benzofuran neolignans (1a/1b-9a/9b). Among them, the planar structures of compounds 1-3 were undescribed previously, and the absolute configurations of all compounds were reported first. Their stereostructures were elucidated on the basis of the interpretation of NMR, HRESIMS, and electronic circular dichroism (ECD) data, as well as ECD calculation. All compounds exhibited pronounced inhibitory effects on lipopolysaccharide-induced nitric oxide (NO) production in RAW 264.7 macrophages with IC50 values ranging from 6.0 to 30.2 μM. Furthermore, compounds 6a and 6b exert anti-inflammatory effects by blocking the nuclear translocation of NF-κB, thereby reducing the expression of pro-inflammatory mediators COX-2, iNOS, IL-1β, and IL-6. This study could provide some guidance and evidence to the further development and utilization of the Chinese olive.
Collapse
|
83
|
He X. Sarcoidosis or Sarcoid Reaction With Lung Cancer in Ethnic Han Chinese Patients: A Single Center Experience and Literature Review. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2021.10.193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
84
|
ZHAN Y, He X, Pu L, Zou Y, He Q, Hong D, Li G. POS-197 INVESTIGATION ON THE ACHIEVEMENT OF CKD-MBD SERUM INDICATORS OF HEMODIALYSIS PATIENTS IN SICHUAN PROVINCE. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
|
85
|
ZHAN Y, He X, Pu L, Zhang Y, He Q, Hong D, Li G. POS-627 INVESTIGATION ON THE SEASONAL DISTRIBUTION OF HYPERKALEMIA IN HEMODIALYSIS PATIENT. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
|
86
|
Ding L, Zhou R, Yuan Y, Yang H, Li J, Yu T, Liu C, Wang J, Li S, Gao H, Deng Z, Li N, Wang Z, Gong Z, Liu G, Xie J, Wang S, Rong Z, Deng D, Wang X, Han S, Wan W, Richter L, Huang L, Gou S, Liu Z, Yu H, Jia Y, Chen B, Dang Z, Zhang K, Li L, He X, Liu S, Di K. A 2-year locomotive exploration and scientific investigation of the lunar farside by the Yutu-2 rover. Sci Robot 2022; 7:eabj6660. [PMID: 35044796 DOI: 10.1126/scirobotics.abj6660] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The lunar nearside has been investigated by many uncrewed and crewed missions, but the farside of the Moon remains poorly known. Lunar farside exploration is challenging because maneuvering rovers with efficient locomotion in harsh extraterrestrial environment is necessary to explore geological characteristics of scientific interest. Chang'E-4 mission successfully targeted the Moon's farside and deployed a teleoperated rover (Yutu-2) to explore inside the Von Kármán crater, conveying rich information regarding regolith, craters, and rocks. Here, we report mobile exploration on the lunar farside with Yutu-2 over the initial 2 years. During its journey, Yutu-2 has experienced varying degrees of mild slip and skid, indicating that the terrain is relatively flat at large scales but scattered with local gentle slopes. Cloddy soil sticking on its wheels implies a greater cohesion of the lunar soil than encountered at other lunar landing sites. Further identification results indicate that the regolith resembles dry sand and sandy loam on Earth in bearing properties, demonstrating greater bearing strength than that identified during the Apollo missions. In sharp contrast to the sparsity of rocks along the traverse route, small fresh craters with unilateral moldable ejecta are abundant, and some of them contain high-reflectance materials at the bottom, suggestive of secondary impact events. These findings hint at notable differences in the surface geology between the lunar farside and nearside. Experience gained with Yutu-2 improves the understanding of the farside of the Moon, which, in return, may lead to locomotion with improved efficiency and larger range.
Collapse
|
87
|
Wang C, Li F, Lian Y, He X. Clinical Analysis of Targeted Therapy Combined with Immunotherapy for Neoadjuvant Treatment of Advanced Hepatocellular Carcinoma. Indian J Pharm Sci 2022. [DOI: 10.36468/pharmaceutical-sciences.spl.595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
|
88
|
Lin Q, Lun J, Zhang J, He X, Gong Z, Gao X, Cao H. [Gut microbiome composition in pre-adolescent children with different meat consumption patterns]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2021; 41:1801-1088. [PMID: 35012911 DOI: 10.12122/j.issn.1673-4254.2021.12.07] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVE To compare the composition of gut microbiome in pre-adolescent children with different meat consumption patterns. METHODS This study was conducted among 44 healthy school-age children (age range 8-10 years) in Shenzhen. According to the monthly intake frequency ratio of white meat and red meat, the children were divided into red-meat group (n=15), balanced group (n=16) and white-meat group (n=13). The Food Frequency Questionnaire (FFQ) was used to investigate the children's diet, and samples of morning feces were collected to study the gut microbiome. The fecal DNA was extracted and amplified, and the composition of the intestinal microbiome of the children was analyzed using Illumina Miseq high-throughput sequencing. RESULTS The children in red meat and white meat groups showed significantly lower abundance and diversity of gut microbiota than those with a balanced diet (P < 0.05). LEfSe analysis of the genus in the fecal samples showed that Escherichia-Shigella, Coprobacillus and Peptoniphilus were enriched in red-meat group and Holdemanella was enriched in the white-meat group as compared with the balanced group. In the samples of the balanced group, 31 and 25 genus (such as Laurespirillum and Rumenococcus) were significantly enriched as compared with the samples of the red-meat group and the white-meat group, respectively. Prediction of the gut microbiota KEGG pathway using PICRUSt2 suggested that compared with that in the balanced group, the gut microbiota in red-meat group had significant activation of the pathways involving lipopolysaccharide biosynthesis (P < 0.01), arachidonic acid metabolism (P < 0.01), thyroid hormone synthesis (P < 0.001), and carbohydrate digestion and absorption (P < 0.05). But compared with the white-meat group, the red-meat group showed only significant activation of the pathways of arachidonic acid metabolism (P < 0.05) and thyroid hormone synthesis (P < 0.05). CONCLUSION The preference of red meat and white meat consumption may significantly reduce the abundance and diversity of gut microbiota in pre-adolescent children. A red meat-rich diet may cause enrichment of Escherichia-Shigella and significant activation of lipopolysaccharide biosynthesis pathway, suggesting the potential benefit of a balanced diet for pre-adolescent children.
Collapse
|
89
|
Ni JY, Li XY, Amoroso D, He X, Feng JS, Kan EJ, Picozzi S, Xiang HJ. Giant Biquadratic Exchange in 2D Magnets and Its Role in Stabilizing Ferromagnetism of NiCl_{2} Monolayers. PHYSICAL REVIEW LETTERS 2021; 127:247204. [PMID: 34951786 DOI: 10.1103/physrevlett.127.247204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 04/29/2021] [Accepted: 11/08/2021] [Indexed: 06/14/2023]
Abstract
Two-dimensional (2D) van der Waals (vdW) magnets provide an ideal platform for exploring, on the fundamental side, new microscopic mechanisms and for developing, on the technological side, ultracompact spintronic applications. So far, bilinear spin Hamiltonians have been commonly adopted to investigate the magnetic properties of 2D magnets, neglecting higher order magnetic interactions. However, we here provide quantitative evidence of giant biquadratic exchange interactions in monolayer NiX_{2} (X=Cl, Br and I), by combining first-principles calculations and the newly developed machine learning method for constructing Hamiltonian. Interestingly, we show that the ferromagnetic ground state within NiCl_{2} single layers cannot be explained by means of the bilinear Heisenberg Hamiltonian; rather, the nearest-neighbor biquadratic interaction is found to be crucial. Furthermore, using a three-orbitals Hubbard model, we propose that the giant biquadratic exchange interaction originates from large hopping between unoccupied and occupied orbitals on neighboring magnetic ions. On a general framework, our work suggests biquadratic exchange interactions to be important in 2D magnets with edge-shared octahedra.
Collapse
|
90
|
Zhu Y, Yang S, Jiang L, Wang X, He X. 26P Genome-wide copy number variation of circulating cell-free DNA as a biomarker in head and neck cancer patients treated with immunotherapy. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
|
91
|
Luo Z, Liu X, Zhang X, He X, Zhang S, Yan W, Chen Y, Wang C, Xu Y, Yu L, Wang J. 67P Sintilimab, doxorubicin and ifosfamide (AI) as first-line treatment in patients with advanced soft tissue sarcoma: A single-arm phase II trial. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
|
92
|
Yang Y, Pan J, Wang H, Qu S, Chen N, Chen X, Sun Y, He X, Hu C, Lin L, Yu Q, Wang S, Wang G, Lei F, Wen J, Yang K, Lin Z, Wu Y, Fang W, Zhang L. 121O RATIONALE 309: A randomized, global, double-blind, phase III trial of tislelizumab (TIS) vs placebo, plus gemcitabine + cisplatin (GP), as first-line treatment for recurrent/metastatic nasopharyngeal cancer (RM-NPC). Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
|
93
|
Zheng X, He X, Yang Y, Qi S, Zhang L, Qu B, Zhong Q, Qian L, Hou X, Qiao X, Wang H, Zhu Y, Cao J, Wu J, Wu T, Zhu S, Shi M, Xu L, Su H, Song Y, Zhu J, Zhang Y, Huang H, Wang Y, Li Y. Improved Overall Survival Associated With Decreased Distant Metastasis Following Asparaginase-Based Chemotherapy and Radiotherapy for Intermediate- and High-Risk Early-Stage Extranodal Nasal-Type NK/T-Cell Lymphoma. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
94
|
Kong C, Zhu X, Jiang M, Song X, Qian P, Zhu J, Xu J, He X. Anlotinib in Combination With Whole Brain Radiotherapy for Advanced Non-Small-Cell Lung Cancer With Brain Metastases Progressive or Developed After at Least One Lines of Prior Treatment. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
95
|
Wang XD, Liu X, Wu T, Yang Y, Qi SN, He X, Zhang LL, Wu G, Qu BL, Qian LT, Hou XR, Zhang FQ, Qiao XY, Wang H, Li GF, Zhu Y, Cao JZ, Wu JX, Zhu SY, Shi M, Su H, Zhang XM, Zhang HL, Huang HQ, Zhang YJ, Song YQ, Zhu J, Wang Y, Li YX. [Outcome of radiotherapy for low-risk early-stage patients with extranodal NK/T-cell lymphoma, nasal-type]. ZHONGHUA ZHONG LIU ZA ZHI [CHINESE JOURNAL OF ONCOLOGY] 2021; 43:1105-1113. [PMID: 34695903 DOI: 10.3760/cma.j.cn112152-20200924-00851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the prognosis and determine the failure patterns after radiotherapy for low-risk early-stage patients with extranodal NK/T-cell lymphoma, nasal-type (ENKTCL). Methods: A total of 557 patients from 2000-2015 with low-risk early-stage ENKTCL who received radiotherapy (RT) with or without chemotherapy (CT) from China Lymphoma Collaborative Group were retrospectively reviewed. Among them, 427 patients received combined modality therapy, whereas 130 patients received RT alone. Survivals were calculated by Kaplan-Meier method and compared with Log-rank test. Overall survival (OS) was compared with age and sex-matched general Chinese population using expected survival and standardized mortality ratio (SMR). Cox stepwise regression model was used for multivariate analysis. Results: The 5-year OS and progression-free survival (PFS) were 87.2% and 77.2%. The SMR was 3.59 (P<0.001) at 1 year after treatment, whereas it was 1.50 at 4 years after treatment, without significant difference between ENKTCL group and country-matched general population (P=0.146). Compared with RT alone, CMT did not result in significantly superior 5-year OS (87.0% vs 87.4%, P=0.961) or PFS (76.1% vs 80.7%, P=0.129). Local failure (11.5%, 64/557) and distant failure (10.8%, 60/557) were the main failure modes, while regional failure was rare (2.9%, 16/557). The 5-year locoregional control rate (LRC) was 87.2% for the whole group, with 89.5% for ≥50 Gy versus 73.7% for <50 Gy (P<0.001). Radiotherapy dose was an independent factor affecting LRC(P<0.05). Conclusions: Radiotherapy achieves a favorable prognosis in patients with low-risk early-stage ENKTCL. The incidence of either locoregional or distant failure is low. Radiation dose still is an important prognostic factor for LRC.
Collapse
|
96
|
Acharya UA, Aidala C, Akiba Y, Alfred M, Andrieux V, Apadula N, Asano H, Azmoun B, Babintsev V, Bandara NS, Barish KN, Bathe S, Bazilevsky A, Beaumier M, Belmont R, Berdnikov A, Berdnikov Y, Bichon L, Blankenship B, Blau DS, Bok JS, Brooks ML, Bryslawskyj J, Bumazhnov V, Campbell S, Canoa Roman V, Cervantes R, Chi CY, Chiu M, Choi IJ, Choi JB, Citron Z, Connors M, Corliss R, Corrales Morales Y, Cronin N, Csanád M, Csörgő T, Danley TW, Daugherity MS, David G, DeBlasio K, Dehmelt K, Denisov A, Deshpande A, Desmond EJ, Dion A, Dixit D, Do JH, Drees A, Drees KA, Durham JM, Durum A, Enokizono A, En'yo H, Esha R, Esumi S, Fadem B, Fan W, Feege N, Fields DE, Finger M, Finger M, Fitzgerald D, Fokin SL, Frantz JE, Franz A, Frawley AD, Fukuda Y, Gal C, Gallus P, Garg P, Ge H, Giles M, Giordano F, Goto Y, Grau N, Greene SV, Grosse Perdekamp M, Gunji T, Guragain H, Hachiya T, Haggerty JS, Hahn KI, Hamagaki H, Hamilton HF, Han SY, Hanks J, Harvey M, Hasegawa S, Haseler TOS, He X, Hemmick TK, Hill JC, Hill K, Hodges A, Hollis RS, Homma K, Hong B, Hoshino T, Hotvedt N, Huang J, Huang S, Imai K, Inaba M, Iordanova A, Isenhower D, Ivanishchev D, Jacak BV, Jezghani M, Ji Z, Jiang X, Johnson BM, Jouan D, Jumper DS, Kang JH, Kapukchyan D, Karthas S, Kawall D, Kazantsev AV, Khachatryan V, Khanzadeev A, Khatiwada A, Kim C, Kim EJ, Kim M, Kincses D, Kingan A, Kistenev E, Klatsky J, Kline P, Koblesky T, Kotov D, Kudo S, Kurgyis B, Kurita K, Kwon Y, Lajoie JG, Larionova D, Lebedev A, Lee S, Lee SH, Leitch MJ, Leung YH, Lewis NA, Li X, Lim SH, Liu MX, Loggins VR, Lökös S, Loomis DA, Lovasz K, Lynch D, Majoros T, Makdisi YI, Makek M, Manko VI, Mannel E, McCumber M, McGaughey PL, McGlinchey D, McKinney C, Mendoza M, Mignerey AC, Milov A, Mishra DK, Mitchell JT, Mitrankov I, Mitrankova M, Mitsuka G, Miyasaka S, Mizuno S, Mondal MM, Montuenga P, Moon T, Morrison DP, Mulilo B, Murakami T, Murata J, Nagai K, Nagashima K, Nagashima T, Nagle JL, Nagy MI, Nakagawa I, Nakano K, Nattrass C, Nelson S, Niida T, Nouicer R, Novák T, Novitzky N, Nukazuka G, Nyanin AS, O'Brien E, Ogilvie CA, Orjuela Koop JD, Osborn JD, Oskarsson A, Ottino GJ, Ozawa K, Pantuev V, Papavassiliou V, Park JS, Park S, Pate SF, Patel M, Peng W, Perepelitsa DV, Perera GDN, Peressounko DY, PerezLara CE, Perry J, Petti R, Phipps M, Pinkenburg C, Pisani RP, Potekhin M, Pun A, Purschke ML, Radzevich PV, Ramasubramanian N, Read KF, Reynolds D, Riabov V, Riabov Y, Richford D, Rinn T, Rolnick SD, Rosati M, Rowan Z, Runchey J, Safonov AS, Sakaguchi T, Sako H, Samsonov V, Sarsour M, Sato S, Schaefer B, Schmoll BK, Sedgwick K, Seidl R, Sen A, Seto R, Sexton A, Sharma D, Sharma D, Shein I, Shibata TA, Shigaki K, Shimomura M, Shioya T, Shukla P, Sickles A, Silva CL, Silvermyr D, Singh BK, Singh CP, Singh V, Slunečka M, Smith KL, Snowball M, Soltz RA, Sondheim WE, Sorensen SP, Sourikova IV, Stankus PW, Stoll SP, Sugitate T, Sukhanov A, Sumita T, Sun J, Sun Z, Sziklai J, Tanida K, Tannenbaum MJ, Tarafdar S, Taranenko A, Tarnai G, Tieulent R, Timilsina A, Todoroki T, Tomášek M, Towell CL, Towell RS, Tserruya I, Ueda Y, Ujvari B, van Hecke HW, Velkovska J, Virius M, Vrba V, Vukman N, Wang XR, Watanabe YS, Wong CP, Woody CL, Xu C, Xu Q, Xue L, Yalcin S, Yamaguchi YL, Yamamoto H, Yanovich A, Yoo JH, Yoon I, Yu H, Yushmanov IE, Zajc WA, Zelenski A, Zharko S, Zou L. Probing Gluon Spin-Momentum Correlations in Transversely Polarized Protons through Midrapidity Isolated Direct Photons in p^{↑}+p Collisions at sqrt[s]=200 GeV. PHYSICAL REVIEW LETTERS 2021; 127:162001. [PMID: 34723614 DOI: 10.1103/physrevlett.127.162001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 07/26/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
Studying spin-momentum correlations in hadronic collisions offers a glimpse into a three-dimensional picture of proton structure. The transverse single-spin asymmetry for midrapidity isolated direct photons in p^{↑}+p collisions at sqrt[s]=200 GeV is measured with the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). Because direct photons in particular are produced from the hard scattering and do not interact via the strong force, this measurement is a clean probe of initial-state spin-momentum correlations inside the proton and is in particular sensitive to gluon interference effects within the proton. This is the first time direct photons have been used as a probe of spin-momentum correlations at RHIC. The uncertainties on the results are a 50-fold improvement with respect to those of the one prior measurement for the same observable, from the Fermilab E704 experiment. These results constrain gluon spin-momentum correlations in transversely polarized protons.
Collapse
|
97
|
Zhang YQ, Dou XF, Zheng R, Sun XM, Li XT, Wang QY, He X, Sun XG. [Epidemiological characteristics of close contacts of COVID-19 cases and infection-related risk factors in Beijing]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2021; 42:1757-1762. [PMID: 34814608 DOI: 10.3760/cma.j.cn112338-20210419-00324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Objective: To analyze the epidemiological characteristics of close contacts of COVID-19 cases and infection-related risk factors in Beijing and provide evidences for COVID-19 prevention and control. Methods: A total of 20 681 close contacts of COVID-19 cases, who had exposures during January 6, 2020 to February 15, 2021, were traced in Beijing. The information about their demographic characteristics, exposure history, and quarantine outcomes were collected and analyzed with descriptive statistics. The logistic regression analysis was used to identify the risk factors for COVID-19. Results: The infection rate SARS-CoV-2 in close contacts was 2.16% (447/20 681). The age M(P25, P75) was 35 (27, 49) years. The majority of the close contacts were aged 20-59 years, accounting for 81.77% (16 912/20 681). Centralized isolation was the major type of medical observation, accounting for 82.15% (16 989/20 681). Among the exposure types, working and studying in the same room (16.06%, 3 322/20 681), sharing same transport vehicle (12.88%, 2 664/20 681), performing diagnosis and treatment nursing (7.80%,1 612/20 681), and living together (7.23%,1 495/20 681), accounting for 43.96% (9 093/20 681). The index cases included staff (19.34%, 3 999/20 681), the unemployed (17.34%, 3 586/20 681), people engaged in business service (13.85%, 2 864/20 681), people engaged in food service (10.77%, 2 228/20 681), their close contacts accounted for 61.30% (12 677/20 681). Multivariate logistic regression analysis showed that compared with other types of exposure, the risk factors for infection were having meal together (OR=3.96, 95%CI: 2.30-6.83) and living together (OR=6.41, 95%CI:4.48-9.17); Compared with the other occupations, the index case being engaged in food service (OR=3.06, 95%CI:1.29-7.25) and teacher (OR=4.94, 95%CI:1.43-17.08) were risk factors for the infection. Conclusions: The main environmental exposure types of SARS-CoV-2 infection in close contacts were having meal together and living together. Contact with the index case being engaged in food service and teacher increased the risk for COVID-19. Comprehensive prevention and control measures such as centralized isolation and vaccination should be continued.
Collapse
|
98
|
Yao SY, Cao MD, He X, Fu BSC, Yung PSH. Biological modulations to facilitate graft healing in anterior cruciate ligament reconstruction (ACLR), when and where to apply? A systematic review. J Orthop Translat 2021; 30:51-60. [PMID: 34611514 PMCID: PMC8458724 DOI: 10.1016/j.jot.2021.07.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 07/21/2021] [Accepted: 07/27/2021] [Indexed: 12/16/2022] Open
Abstract
Background When and where to apply the biological modulations is effective to promote healing in the anterior cruciate ligament (ACL) reconstruction remains unclear. Purpose To perform a systematic review of preclinical animal studies on biological modulation in anterior cruciate ligament reconstruction (ACLR) concerning the time and site of delivery. Study design Systematic review of controlled laboratory studies. Methods PubMed, Ovid, and Scopus were searched until December 2020 using a combination of keywords and their synonym to retrieve all animal studies about biological modulation in ACLR. Studies that assessed mechanical strength after ACLR and compared with negative control were included. The methodological quality of animal studies was evaluated. Results 33 studies were included in this review and the majority reported mechanical strength improvement. 79 % of studies applied the biological modulations intra-operatively with different delivery systems used. For 21 % of post-operative delivery studies, intermittent delivery was tried. 21 of the included studies directly applied the biological modulations in the bone tunnels, 5 studies applied intra-articularly while 7 studies applied both in the bone tunnels and intra-articular part. Biological modulations applied intra-operatively and those applied in both parts showed better mechanical strength increase. A shift of the failure mode of pull-out from the bone tunnel in the early healing phase, to mid-substance rupture in the later phase was observed in most studies. Conclusion The improvement of the mechanical strength depends on how the biological modulations (delivery phase, delivery site, delivery form) are applied. The intra-operative delivery showed an overall higher mechanical strength increase and bone tunnel only delivery or intra-articular and bone tunnel both delivery are preferred than intra-articular only delivery. In addition, intra-articular and bone tunnel both delivery can have better mechanical strength increase for a long follow-up time. Thus, intra-operative application with a carrier to control release rate in both parts should be recommended. Further studies are needed to achieve a better healing outcome and more attention should be given to the intra-articular remodeling of the graft along with the tendon bone healing to increase the final mechanical strength. The Translational potential of this article Here, a systematic review of preclinical evidence of the time, site and the method the biological modulations being applied for ACLR to improve the graft healing would be performed. After reviewing the available studies, a choice of when and where to apply the biological modulations can achieve better mechanical strength after ACLR can be obtained. It provides evidence for both researchers and clinicians to decide when and where to apply the biological modulations can achieve their best effectiveness for ACLR before implementing. Promoting graft healing with targeted time and targeted site may reduce the risk of graft failure, safeguard return to sport.
Collapse
|
99
|
Wang Z, Xu J, Wang Y, Xiang L, He X. Total saponins from Tupistra chinensis baker inhibits growth of human gastric cancer cells in vitro and in vivo. JOURNAL OF ETHNOPHARMACOLOGY 2021; 278:114323. [PMID: 34116191 DOI: 10.1016/j.jep.2021.114323] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 06/01/2021] [Accepted: 06/05/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tupistra chinensis Baker (syn. Rohdea chinensis), an antitumor folk herb mainly distributed in China, its rhizome has been historically used to treat gastric cancer. Studies showed that the steroidal saponins were the main bioactive components in the rhizome of T. chinensis. Our previous studies have confirmed that the steroidal saponins have a variety of anti-tumor activities. However, the underlying anti-tumor mechanism of the total steroidal saponins of T. chinensis (TCS) remains to be revealed. AIM OF THE STUDY In the present study, we studied the potential anti-proliferative activity and anti-tumor mechanism of TCS on gastric cancer in vitro and in vivo. METHODS In vitro, 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay was used to detect the proliferation ability of TCS on SGC-7901 cells and AGS cells. Flow cytometry were performed to analyze cell apoptosis, cell cycle, mitochondrial membrane potential and reactive oxygen species expression level. Western blotting was performed to validate the expression of proteins in related pathways. In vivo, a xenograft model was established by injecting SGC-7901 cells into nude mice. RESULTS In vitro, TCS inhibited the proliferation of gastric cancer cells. TCS effectively induced apoptosis by PI3K/Akt/mTOR signaling pathway in SGC-7901 cells, and promoted apoptosis via p53-mediated pathway in AGS cells. TCS also exhibited inhibitory activity in blocking the migration of gastric cancer cells. In vivo, TCS significantly inhibited the growth of xenograft tumor. CONCLUSION These results indicated that TCS exhibited significant anti-gastric cancer effects in vitro and in vivo.
Collapse
|
100
|
Xu J, Wang Y, Wang Y, Wang Z, He X. A-24, a steroidal saponin from Allium chinense, induced apoptosis, autophagy and migration inhibition in p53 wild-type and p53-deficient gastric cancer cells. Chem Biol Interact 2021; 348:109648. [PMID: 34506766 DOI: 10.1016/j.cbi.2021.109648] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 09/07/2021] [Indexed: 12/24/2022]
Abstract
Allium chinense is a vegetable with nutrition and unique flavor, and it is used as traditional Chinese medicine. We previously reported that the active compound A-24 induces apoptosis and autophagy in p53 wild-type gastric cancer cells through the PI3K/Akt/mTOR pathway. Our present work indicates that A-24 also has a significant proliferation inhibition effect on p53-deficient KATO-III cells, and the p53 status did not affect A-24 induced migration inhibition, but negatively controlled the occurrence of autophagy. We also found that the accumulation of reactive oxygen species (ROS) mediated A-24 induced apoptosis is p53-independent. Besides, p-Akt was not downregulated by A-24 in p53-deficient gastric cancer cells. Taken together, our results indicate that A-24 induced apoptosis and autophagy via the ROS-PI3K/Akt/mTOR pathway in p53 wild-type gastric cancer cells and through the ROS-mTOR pathway in p53-deficient gastric cancer cells. Our study recommended A-24 as a promising future phytotherapeutic candidate for gastric cancer treatment.
Collapse
|