Background: Ginsenoside Rg3 and gemcitabine have mutual enhancing antitumor effects. However, the underlying mechanisms are not clear. This study explored the influence of ginsenoside Rg3 on Zinc finger protein 91 homolog (ZFP91) expression in pancreatic adenocarcinoma (PAAD) and their regulatory mechanisms on gemcitabine sensitivity. Methods: RNA-seq and survival data from The Cancer Genome Atlas (TCGA)-PAAD and Genotype-Tissue Expression (GTEx) were used for in-silicon analysis. PANC-1, BxPC-3, and PANC-1 gemcitabine-resistant (PANC-1/GR) cells were used for in vitro analysis. PANC-1 derived tumor xenograft nude mice model was used to assess the influence of ginsenoside Rg3 and ZFP91 on tumor growth in vivo. Results: Ginsenoside Rg3 reduced ZFP91 expression in PAAD cells in a dose-dependent manner. ZFP91 upregulation was associated with significantly shorter survival of patients with PAAD. ZFP91 overexpression induced gemcitabine resistance, which was partly conquered by ginsenoside Rg3 treatment. ZFP91 depletion sensitized PANC-1/GR cells to gemcitabine treatment. ZFP91 interacted with Testis-Specific Y-Encoded-Like Protein 2 (TSPYL2), induced its poly-ubiquitination, and promoted proteasomal degradation. Ginsenoside Rg3 treatment weakened ZFP91-induced TSPYL2 poly-ubiquitination and degradation. Enforced TSPYL2 expression increased gemcitabine sensitivity of PAAD cells and partly reversed induced gemcitabine resistance in PANC-1/GR cells. Conclusion: Ginsenoside Rg3 can increase gemcitabine sensitivity of pancreatic adenocarcinoma at least via reducing ZFP91 mediated TSPYL2 destabilization.
The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
/
v.35
no.4
/
pp.209-218
/
2022
Objective : This study assessed the effect of a combination of Korean medicine on a chronic nipple eczema patient complaining of stress and immunodeficiency due to long-term steroid use. Methods : Herbal medicine, moxibustion and acupuncture were performed for a year. Treatment outcomes were evaluated with DLQI(Dermatology Life Quality Index), EQ-5D-5L(The 5 level of EuroQol 5 Dimensio scale), EQ-VAS(EuroQol-Visual Analog Scale), ADSI(Atopic Dermatitis Severity Index), pruritus NRS(Numeral Rating Scale), pictures and patient's statements. Results : After the treatment, symptoms have been alleviated, the quality of life has increased, and it has been maintained without further nipple eczema for three months. Conclusion : We suggest that Korean medicine is effective for chronic nipple eczema patient.
Background: The application of Kinesio tape (KT) has become an alternative treatment for the reduction of edema owing to its distinct characteristics that mimic skin behavior. Although many studies have found that KT application has a positive effect on edema related to breast cancer and rehabilitation following mandibular third molar surgery, there is little evidence to support the use of KT for musculoskeletal injuries. Objects: The purpose of this study was to review the literature related to KT application for reducing edema caused by musculoskeletal disorders. Methods: A literature search (July 2022) was performed on PubMed for articles published between January 2012 and June 2022. The following keywords were used: "Kinesio taping," "Kinesio tape," "swelling," and "edema," with different combinations and derivations. Only articles available in English were included in this study. Results: Among 68 identified studies, seven met our search strategy and criteria and were included in the literature review. Five of these studies investigated musculoskeletal disorders of the knee joint; two of them reported that KT application had a positive effect on edema measured using perimetry following total knee replacement and anterior cruciate ligament reconstruction. However, the KT application did not improve swelling in patients with acute lateral ankle sprains. Pediatric patients with acute proximal phalangeal joint sprain experienced a more significant improvement in the reduction of swelling than the group using a splint. Conclusion: This literature review found discrepant evidence to support using KT for edema control in musculoskeletal disorders. Further research is needed to determine the effectiveness of KT for controlling edema following musculoskeletal injuries.
Ovarian cancer (OC) is the most common gynecological malignancy worldwide, and chemoresistance occurs in most patients, resulting in treatment failure. A better understanding of the molecular processes underlying drug resistance is crucial for development of efficient therapies to improve OC patient outcomes. Circular RNAs (circRNAs) and ferroptosis play crucial roles in tumorigenesis and resistance to chemotherapy. However, little is known about the role(s) of circRNAs in regulating ferroptosis in OC. To gain insights into cisplatin resistance in OC, we studied the ferroptosis-associated circRNA circSnx12. We evaluated circSnx12 expression in OC cell lines and tissues that were susceptible or resistant to cisplatin using quantitative real-time PCR. We also conducted in vitro and in vivo assays examining the function and mechanism of lnc-LBCSs. Knockdown of circSnx12 rendered cisplatin-resistant OC cells more sensitive to cisplatin in vitro and in vivo by activating ferroptosis, which was at least partially abolished by downregulation of miR-194-5p. Molecular mechanics studies indicate that circSnx12 can be a molecular sponge of miR-194-5p, which targets SLC7A11. According to our findings, circSnx12 ameliorates cisplatin resistance by blocking ferroptosis via a miR-194-5p/SLC7A11 pathway. CircARNT2 may thus serve as an effective therapeutic target for overcoming cisplatin resistance in OC.
Hae Jin Shin;Hyun Yong Jeong;Hee Seok Moon;Jae Kyu Sung;Sun Hyung Kang
Journal of Digestive Cancer Research
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v.4
no.2
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pp.122-126
/
2016
Leptomeningeal carcinomatosis occurs in approximately 5% of patients with cancer. The most common cancers involving the leptomeninges are breast, lung cancer and melanoma. However, gastric adenocarcinoma has been rarely reported with leptomeningeal carcinomatosis. The presenting manifestations are usually headache, visual disturbances and seizures. We report a case of leptomeningeal metastasis that presented as a gastric cancer. A 75-year old man was transferred to our hospital for further evaluation and treatment after being diagnosed with adenocarcinoma through endoscopic biopsy during a regular health examination. An abdominal computed tomography (CT) showed AGC, stage IA (cT1N0M0), while an endoscopic examination showed AGC, Borrmann type 2. The patient is currently under observation after undergoing radical subtotal gastrectomy with gastroduodenostomy and subsequent administration of oral chemotherapeutic agents. As an abdominal CT response assessment performed after surgery revealed new metastasis to the liver, the patient received palliative chemotherapy as recurrence was suspected. After receiving chemotherapy in the order of DP (Cisplatin + Docetaxel), FOLFIRI (5-FU + Leucovorin + Irinotecan), an abdominal CT response assessment showed complete response. Since decreased mentality maintained throughout the follow up period based on outpatient clinic, brain MRI was performed and revealed multiple leptomeningeal metastasis. The Patient died 2 days after the diagnosis.
Shin, Hoon;Lim, Chang Ki;Choi, In Young;Lee, Doo Yun;Noh, Dong Yong;Ryu, Min Hee;Lee, Hyo Suk;Bang, Yung Jue;Park, Jong Sup;Jin, Seung Won
IMMUNE NETWORK
/
v.1
no.2
/
pp.143-150
/
2001
Background : Many investigators have found transforming growth factor-${\beta}1$ (TGF-${\beta}1$) to be elevated in tumors. Changes in responsiveness to TGF-${\beta}1$ have been linked to malignant transformation, tumor progression and tumor regression. Many malignant cell lines of epithelial or hematopoietic origin are refractory to the antiproliferative effects of TGF-${\beta}1$. However, a little is known about the association of TGF-${\beta}1$ with progression of malignant tumor. Methods : In this study, we measured the plasma level of TGF-${\beta}1$ in various cancer patients and evaluated the utility of plasma TGF-${\beta}1$ as a possible tumor marker. Plasma TGF-${\beta}1$ levels were measured using enzyme-linked immunosorbent assay in cancer patients and normal controls. Carcinoembryonic antigen (CEA) and alpha-fetoprotein (AFP) as tumor marker were compared with TGF-${\beta}1$ in the aspects of sensitivity and specificity. Results : The mean of plasma TGF-${\beta}1$ levels was $1.219{\pm}0.834ng/ml$ in normal controls, $5.491{\pm}3.598ng/ml$ in breast cancer, $12.670{\pm}10.386ng/ml$ in lung cancer, $5.747{\pm}3.228ng/ml$ in hepatocellular carcinoma and $10.854{\pm}7.996ng/ml$ in cervical cancer. In comparison with CEA and AFP, TGF-${\beta}1$ is more sensitive. Conclusion : We conclude that the high levels of TGF-${\beta}1$ are common in the plasma of cancer patients. These results suggest that the plasma TGF-${\beta}1$ level can be a potent tumor marker in various cancer patients.
Journal of the Korean Association of Oral and Maxillofacial Surgeons
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v.27
no.4
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pp.289-300
/
2001
Telomerase is a ribonucleoprotein that synthesizes telomere repeats. It has been reported that activation of telomerase was associtated with immortalization, proliferative activity and carcinogenesis. Recently, telomerase activity has been extensively studied in many kinds of malignant tumors for clinical diagnostic and/or prognostic utilities. In neuroblastoma, breast carcinoma, gastric carcinoma, non-small cell lung carcinoma, close relationship has been reported between high telomerase activity and lymph node metastasis, tumor aggressiveness and poor prognosis. The purpose of this study is to investigate the clinical implication of telomerase activity assay as an adjunctive factor in decision-making on neck node management, speedy pre-operative judging on histologic malignancy grading. Thus we performed semi-quantitative assay of telomerase activity using Telomerase PCR ELISA $kit^{(R)}$(Boeringer Manheim, Germany) and evaluated correlation between telomerase activity and tumor size, neck node metastasis, Anneroth malignancy score and influence of pre-operative chemotherapy on its activity in 27 cases of oral squamous cell carcinomas and 18 cases of normal oral epithelium. Also, correlation between telomerase activities and PCNA indices was evaluated. The results were obtained as follows: 1. The telomerase activities were detected in 24 specimens out of 27 oral squamous cell carcinoma specimens (88.9%) and in 5 specimens out of 18 normal oral epithelium specimens (27.8%). The mean value of telomerase activities was $0.9793{\pm}0.3428$ in 24 oral squamous cell carcinoma specimens and $0.4855{\pm}0.1117$ in 5 normal oral epithelium specimens. The positivity rate and mean value of telomerase activities in oral squamous cell carcinoma specimens were significantly higher than those of normal oral epithelium specimens (p<0.05). 2. There was no significant correlation between total Anneroth malignancy score and telomerase activity (p>0.05), but points of mitosis index and depth of invasion were significantly correlated with telomerase activities (p<0.05). 3. The positive immunohistochemical staining for PCNA(proliferating cell nuclear antigen) was observed in 26 specimens out of 27 oral squamous cell carcinoma specimens and mean value of PCNA indices of 26 specimens was $53.67{\pm}26.46$. PCNA indices were significantly correlated with telomerase activities (p<0.05). 4. The mean value of telomerase activities was significantly higher in pathologic T3/T4 group than in T1/T2 group (p<0.01). There was no significant difference of mean value of telomerase activities between pathologic neck node positive group and negative group (p> 0.05). Pre-operative chemotherapy significantly lowered the telomerase activities (p<0.05). The above results suggested telomerase activity could be used as diagnostic marker and adjunctive parameter for judging on histologic malignancy in oral squamous cell carcinoma.
The purpose of this study was to test the effects of foot reflexology on pain and mood in patients who have just had a mastectomy. The research design was a nonequivalent control group, non-synchronized design. The participants for this study were 28 patients with breast cancer on first or second day after mastectomy surgery. The first 12 patients were assigned to the control group and the second 16 to the experimental group. The study was conducted from October 28, 2001 to December 22, 2001 on a surgical unit of Y Medical Center in Seoul, Korea. Pain intensity, blood pressure, pulse rate and mood were measured as dependent variables. The instrument used for pain intensity and mood was a 10 cm visual analogue scale. Cronbach alpha for this study was .70. For the experimental group pre and post tests were done immediately before and 15 minutes after completion of foot reflexology. Foot reflexology was performed once for 20 minutes. After the pretest, patients in the control group were instructed to have a quiet time for a 35 minute period and then the post-test was done. The number of participants was small so the data were analyzed by Mann-Whitney U test, and Wilcoxon signed ranks test. The results of this study are as follow : 1. In the experimental group there were significant decreases between the pre and post tests for pain intensity (z=-3.47, p<.001), diastolic blood pressure (z=-2.67, p<.01) and pulse rate (z=-3.44, p<.001) but there was no difference between the two groups on the post test. 2. The systolic blood pressure, diastolic blood pressure and pulse rate were also not significantly different between the experimental group and the control group on the post test. 3. The mood score was significantly improved after foot reflexology(z=-3.52, p=.000) and the difference between the two groups was also significant (u=49.0, p=.03). In conclusion, there was a statistically significant difference in mood between the two groups, but no difference for pain intensity, blood pressure, or pulse rate. However, there were significant differences between the pretest and post-test for pain intensity, diastolic blood pressure and pulse rate in the experimental group. On the basis of the above findings, this study suggests that foot reflexology can be an effective method of relieving pain and improving mood in clinical practice in women who have had mastectomy surgery.
The management of malignant pleural effusion is a difficult problem. Tetracycline was probably the most commonly used sclerosing agent, but parenteral tetracycline is no longer available. This prospective study was designed to determine the efficacy of insufflated talc in producing plerodesisin patients with malignant pleural effusions. Fifteen patients managed between March 1995 and March 1997 underwent thoracoscopy and had 4 gm sterile asbestos-free talc insufflation throughout the pleural space. The mean interval between the procedure and last follow-up was 101 days(range: 25-233 days). The results of treatment were clinically and radiologically compared with pre-operative status. The results were as follows: 1. The patients were 6 men and 9 women with a mean age of 55.1 years(range: 31-74 years). The primary tumors were lung cancer in 10 patients, breast cancer in two, hepatoma in one, stomach cancer in one, and adenocarcinoma of unkown origin in one. 2. Cancer cell positive ratio was 36% in sputum cytology study and 100% in thoracoscopic biopsy. 3. Symptoms improved in 94% of patients treated by talc pleurodesis. 4. After 30 days of the procedure, there was radiologically no recurrence of plural fluid in 94% patients. 5. There were wound infection in one, respiratory failure in one. In conclusion, the insufflation of 4 gm sterile asbestos-free talc in the pleural space is an effective method to control malignant pleural effusions and patients selection is important factor for reexpansion the lung.
Purpose: The tumor suppressor gene p53 has been shown to be a factor in the carcinogenesis or progression of gastric cancer. The mutant p53 has been reported to cause a higher risk of lymph-node metastasis. Futhermore, mutation of the p53 has been linked to a poor prognosis for gastric cancer. The heat shock protein-27 (HSP27), a stress protein, has also been reported to be a poor prognostic factor in ovarian and breast cancers. However, in gastric-cancer patients, controversies exist as to its influence on the prognosis. In the present study, we used an immunohistochemical stain to observe the effects of p53 and HSP27 on the clinicopathological factors and on the prognosis for gastric-cancer patients. Materials and Methods: To evaluate the significance of p53 and HSP27 in gastric cancer patients, we analyzed 212 cases of gastric cancer (stage I.IV). Tissue samples of 212 patients were stained immunohistochemically for the mutant p53 protein and for HSP27. The correlations between protein expression and the clinicopathological factors were investigated. Results: The overall expression rates for p53 and HSP27 were $36.9\%\;and\;27.8\%$, respectively. p53 and HSP27 were correlated to each other because the HSP27 expression rate was higher in the p53-positive group (P=0.046). Statistically, the p53 and the HSP27 expression rates were significantly increased in the case of tumor invasiveness, lymphatic metastasis and vessel involvement. Therefore, they play a role in cancer progression. The 5-year survival rates of the p53-positive and the p53-negative groups were $62.8\%\;and\;60.1\%$, respectively (P=0.793) while the 5-year survival rates for the HSP27-positive and HSP27-negative groups were $54.2\%\;and\;63.1\%$, respectively (P=0.090). Conclusion: p53 and HSP27 were correlated to each other in our immunohistochemical study of gastric carcinomas and they were not independent prognostic factors in gastric- cancer patients. However, further studies are needed to determine their prognostic values for gastric-cancer patients.
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