Hwangbo, Hyun;Kwon, Da He;Choi, Eun Ok;Kim, Min Yeong;Ahn, Kyu Im;Ji, Seon Yeong;Kim, Jong Sik;Kim, Kyung-Il;Park, No-Jin;Kim, Bum Hoi;Kim, Gi-Young;Hong, Su-Hyun;Park, Cheol;Jeong, Ji-Suk;Choi, Yung Hyun
Nutrition Research and Practice
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제12권5호
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pp.378-386
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2018
BACKGROUND/OBJECTIVES: Benign prostatic hypertrophy (BPH) is a major cause of abnormal overgrowth of the prostate mainly in the elderly. Corni Fructus has been reported to be effective in the prevention and treatment of various diseases because of its strong antioxidant effect, but its efficacy against BPH is not yet known. This study was designed to evaluate the therapeutic efficacy of Corni Fructus water extract (CF) in testosterone-induced BPH rats. MATERIALS/METHODS: To induce BPH, rats were intraperitoneal injected with testosterone propionate (TP). Rats in the treatment group were orally administered with CF with TP injection, and finasteride, which is a selective inhibitor of $5{\alpha}$-reductase type 2, was used as a positive control. RESULTS: Our results showed that the increased prostate weight and histopathological changes in BPH model rats were suppressed by CF treatment. CF, similar to the finasteride-treated group, decreased the levels of testosterone and dihydrotestosterone by TP treatment in the serum, and it also reduced $5{\alpha}$-reductase expression and concentration in prostate tissue and serum, respectively. In addition, CF significantly blocked the expression of the androgen receptor (AR), AR co-activators, and proliferating cell nuclear antigen in BPH rats, and this blocking was associated with a decrease in prostate-specific antigen levels in serum and prostate tissue. CONCLUSIONS: These results suggest that CF may weaken the BPH status through the inactivation of at least $5{\alpha}$-reductase and AR activity and may be useful for the clinical treatment of BPH.
Klebsiella pneumoniae is an opportunistic and clinically significant emerging pathogen. We investigated the relative roles of Toll-like receptor (TLR) 2 and TLR4 in initiating host defenses against K. pneumoniae. TLR2 knockout (KO), TLR4 KO, TLR2/4 double KO (DKO), and wild-type (WT) mice were inoculated with K. pneumoniae. Mice in each group were sacrificed after either 12 or 24h, and the lungs, liver, and blood were harvested to enumerate bacterial colony-forming units (CFU). Cytokine and chemokine levels were analyzed using enzyme-linked immunosorbent assay and real-time PCR, and pneumonia severity was determined by histopathological analysis. Survival was significantly shortened in TLR4 KO and TLR2/4 DKO mice compared with that of WT mice after infection with $5{\times}10^3CFU$. TLR2 KO mice were more susceptible to infection than WT mice after exposure to a higher infectious dose. Bacterial burdens in the lungs and liver were significantly higher in TLR2/4 DKO mice than in WT mice. Serum $TNF-{\alpha}$, MCP-1, MIP-2, and nitric oxide levels were significantly decreased in TLR2/4 DKO mice relative to those in WT mice, and TLR2/4 DKO mice showed significantly decreased levels of $TNF-{\alpha}$, IL-6, MCP-1, and inducible nitric oxide synthase mRNA in the lung compared with those in WT mice. Collectively, these data indicate that TLR2/4 DKO mice were more susceptible to K. pneumoniae infection than single TLR2 KO and TLR4 KO mice. These results suggest that TLR2 and TLR4 play cooperative roles in lung innate immune responses and bacterial dissemination, resulting in systemic inflammation during K. pneumoniae infection.
Background: To investigate polymorphisms in heat shock proteins A1B and A1L (HOM) and associated risk of oesophageal carcinoma in Northeast India. Materials and Methods: The study includes oesophageal cancer (ECA) patients attending general outpatient department (OPD) and endoscopic unit of Gauhati Medical College. Patients were diagnosed based on endoscopic and histopathological findings. Genomic DNA was typed for HSPA1B1267 and HSPA1L2437 SNPs using the polymerase chain reaction with restriction fragment length polymorphisms. Results: A total of 78 cases and 100 age-sex matched healthy controls were included in the study with a male: female ratio of 5:3 and a mean age of $61.4{\pm}8.5years$. Clinico-pathological evaluation showed 84% had squamous cell carcinoma and 16% were adenocarcinoma. Dysphagia grades 4 (43.5%) and 5 (37.1%) were observed by endoscopic and hispathological evaluation. The frequency of genomic variation of A1B from wild type A/A to heterozygous A/G and mutant G/G showed a positive association [chi sq=19.9, p=<0.05] and the allelic frequency also showed a significant correlation [chi sq=10.3, with cases vs. controls, OR=0.32, $p{\leq}0.05$]. The genomic variation of A1L from wild T/T to heterozygous T/C and mutant C/C were found positively associated [chi sq=7.02, p<0.05] with development of ECA. While analyzing the allelic frequency, there was no significant association [chi sq=3.19, OR=0.49, p=0.07]. Among all the risk factors, betel quid [OR=9.79, Chi square=35.0, p<0.05], tobacco [OR=2.95, chi square=10.6, p<0.05], smoking [OR=3.23, chi square=10.1, p<0.05] demonstrated significant differences between consumers vs. non consumers regarding EC development. Alcohol did not show any significant association [OR=1.34, chi square=0.69, p=0.4] independently. Conclusions: It can be concluded that the present study provides marked evidence that polymorphisms of HSP70 A1B and HSP70 A1L genes are associated with the development of ECA in a population in Northeast India, A1B having a stronger influence. Betel quid consumption was found to be a highly significant risk factor, followed by smoking and tobacco chewing. Although alcohol was not a potent risk factor independently, alcohol consumption along with tobacco, smoking and betel nut was found to contribute to development of ECA.
Inferior alveolar nerve dysfunction may be the result of trauma, disease, or iatrogenic injury. Inferior alveolar nerve injury is inherent risk in endodontic therapy, orthognathic surgery of the mandible, and extraction of mandibular teeth, particularly the third molars. The sensory disturbances of inferior alveolar nerve associated with such injury have been well documented clinical problem that is commonly evaluated by several clinical sensory test including Tinels sign, Von Frey test(static light touch detection), directional discrimination, two-point discrimination, pin pressure nociceptive discrimination, and thermal test. These methods used to detect and assess inferior alveolar nerve injury have been subjective in nature, relying on the cooperation of the patients. In addition, many of these techniques are sensitive to differences in the examiners experience and skill with the particular technique. Data obtained at different times or by different examiners are therefore difficult to compare. Prior experimental studies have used electro diagnostic methods(sensory evoked potential) to objectively evaluate inferior alveolar nerve after nerve injury. This study was designed with inferior alveolar nerve of rabbit. Several types of injury including mind, moderate, severe compression and perforation with 19 gauze, 21 gauze needle and 6mm, 10mm traction were applied for taking the sesory evoked ppterntial. Latency and amplitude of injury rabbit inferior alveolar nerve were investigated with sensory evoked potential using unpaired t-test. The results were as follows : 1. Intensity of threshold (T1) was $128{\pm}16{\mu}A$ : latency, $0.87{\pm}0.07$ microsecond : amplitude, $0.4{\pm}0.1{\mu}V$ : conduction velocity, 23.3 m/s in sensory evoked potential of uninjured rabbit inferior alveolar nerve. 2. Rabbit inferior alveolar nerve consists of type II and III sensory nerve fiber. 3. Latency was increased and amplitude was decreased in compression injury. The more injured, the more changed in latency and amplitude. 4. Findings in perforation injury was similar to compression injury. Waveform for sensory evoked potential improved by increasing postinjured time. 5. Increasing latency was prominent in traction injury rabbit inferior alveolar nerve. 6. In microscopic histopathological findings, significant degeneration and disorganization of the internal architecture were seen in nerve facicle of severe compression and 10mm traction group. From the above findings, electrophysiological assessment(sensory evoked potential) of rabbit injured inferior alveolar nerve is reliable technique in diagnosis and prognosis of nerve injury.
Rhomboid family member 2 gene (Rhbdf2) is an inactive homologue lacking essential catalytic residues of rhomboid intramembrane serine proteases. The protein is necessary for maturation of tumor necrosis factor-alpha ($TNF-{\alpha}$) converting enzyme, which is the molecule responsible for the release of $TNF-{\alpha}$. In this study, Rhbdf2 knockout (KO) mice were produced by CRISPR/CAS9. To see the effects of the failure of $TNF-{\alpha}$ release induced by Rhbdf2 gene KO, collagen-induced arthritis (CIA), which is the representative $TNF-{\alpha}$ related disease, was induced in the Rhbdf2 mutant mouse using chicken collagen type II. The severity of the CIA was measured by traditional clinical scores and histopathological analysis of hind limb joints. A rota-rod test and grip strength test were employed to evaluate the severity of CIA based on losses of physical functions. The results indicated that Rhbdf2 mutant mice showed clear alleviation of the clinical severity of CIA as demonstrated by the significantly lower severity indexes. Moreover, a grip strength test was shown to be useful for the evaluation of physical functional losses by CIA. Overall, the results showed that the Rhbdf2 gene has a significant effect on the induction of CIA, which is related to $TNF-{\alpha}$.
Neck mass as a primary presenting sign is a common problem that physicians and surgeons alike have to face but conclusive diagnosis cna be made only by histopathological examination. During the period of four years from January 1988 to December 1991, three hundred sixteen diagnostic incisional or excisional biopsies of the neck masses were performed at the outpatient department of Surgery, Seoul National University Hospital and tissue diagnoses were confirmed by histopatholotical examination. On which a clinical analysis was performed and its results were compared with the results of one hundred fifteen Fine Needle Aspiration Cytologic examinations on neck masses during the same period. The results were as follows: In the histologic types of neck masses. inflammatory disease was the most common (58.2%), metastatic malignant tumor(22.5%), benign tumor(15.2%). primary malignant tumor(0.4%) in decreasing order. Among the individual lesions. tuberculous lymphadenitis was the most common(29.4%) and nonspecific lymphadenitis was the next. Of overall sexual distribution, female preponderated by a ratio of 1.15:1, but in the primary and metastatic malignancies, male did by a ratio of 1.60:1 and 1.53:1, respectively. The most common age group was third decade(26.8%), and fourth decade was the next(20.9%) but in malignant tumors. sixth decade was the most commom. The duration of symptom between one and three months(33.8%), was the most common and between three and six month was the next but the difference between the individual diseases was not significant. Of the metastatic tumor of seventy one cases, primary site was found in fifty cases(84.2%) and stomach cancer was the most comon primary site. In the result of the Fine Needle Aspiration Cytologic(FNAC) examinations, positive for mlignant cells was the most common(33.1%), following the frequencies with tuberculosis(22.6%), and nonspecific lymphadenitis(16.5%) in decreasing order. Eleven cases of FNAC underwent diagnostic biopsies and the diagnostic accuracy of FNAC was 83.3%. Conclusively, in our study, tuberculous lymphadenitis was the most common histologic type, female was predominant third decade was the most common age group. the duration of symptom between one and three month was the most common and in the metastatic tumors, stomach cancer was the most common primary site.
The purpose of this study was to investigate the effect of antioxidants (vitamin E, selenium, and coenzyme $Q_{10}$) on the bleomycin-induced pulmonary lesions in male rats. Sprague-Dawley male rats were divided into 4 treatment groups ($T_1$, $T_2$, $T_3$, $T_4$) and 4 control groups ($C_1$, $C_1$, $C_3$, $C_4$). The treatment groups of rats weie given a single intratracheal dose of bleomycin (1.5 units/rat) and control groups of rats were given a single intratracheal dose of normal saline (0.15ml/rat). The rats in the $T_1$ group and $C_1$, group were dosed with normal saline (0.5ml/kg/day), the rats in the $T_2$ group and $C_2$ group were dosed with vitamin E (50mg/kg/day), the rats in the $T_3$ group and $C_3$ group were dosed with sodium selenite (3mg/kg/day) and the rats in the $T_4$ gronp and $C_4$ group were dosed with coenzyme $Q_{10}$ (2.5mg/kg/day) intraperitoneally for 7 days or 14 days, respectively. Animals were killed at 7th and 14th day after dosing with bleomycin or saline. The results obtained were as follows: 1. Lung wet weight of treatment groups of rats was increased significantly while body weight gain of them was decreased significantly in comparison with that of control groups of rats (p<0.01). 2. The ratio(%) of lung wet weight to final body weight of treatment groups of rats was increased significantly in comparison with that of control groups of rats (p<0.01). 3. The main histopathological findings of lungs observed in rats at 7th day after dosing with bleomycin were proliferation of the type II alveolar epithelial cells and fibroblasts, increased invading of macrophages into lesions, round cell infiltration and perivascular edema. 4. Lung fibrous tissues were markedly increased in rats observed at 14th day after dosing with bleomycin. 5. Pumonary lesions observed in rats dosed with bleomycin and antioxidants(vitamin E, selenium, coenzyme $Q_{10}$) were not significantly different from those of rats given bleomycin alone.
Objectives: This study was designed to evaluate the methods of diagnosis and treatment of thyroid nodules. Materials and Methods : We performed a clinical review of patients with thyroid nodules, who were surgically treated at the Department of Surgery, College of Medicine, Chosun University from January 1996 to December 1998. Results: 1) The patients were divided into two groups; 65 patients(80.2%) with benign nodular disease and 16 patients(19.8%) with malignant disease. 2) The sex distribution showed a preponderance of females with a ratio of 5.2:1 in benign nodular disease and 3:1 in malignant disease. Benign nodules were more prevalent in patients in their 40's as compared to malignant nodules in patients in their 50's and 60's. 3) The most common duration of illness was 3 months, occurring in 45.7% of the total cases. 4) The most prominent symptom and sign was a palpable nodule in the anterior aspect of the neck. 5) The location of the nodule was ; 41 cases in the right lobe, 29 cases in the left lobe, and 11 cases in both lobes. 6) Thyroid scanning of 40 patients revealed cold nodules in 90.6% of benign nodules and in all malignant disease. 7) Fine needle aspiration cytology were performed in 32 cases of the 81 patients. Comparing with postoperative pathological findings, the results were the same in 87.5% of 32 cases. 8) Intra-operative frozen section study was performed in 56 cases of the 81 patients. Comparing with postoperative pathological finding, the results were same in 96.4% of the 56 cases. 9) The histopathological classification revealed that adenomatous goiters were the most common benign disease and papillary carcinomas were the most common malignant disease. 10) The most frequently employed operation for benign nodules and malignant disease was unilateral total lobectomy. When the metastasis was confirmed, lymphadenectomy and radical neck dissection was performed in malignant disease. 11) Important postoperative complications were transient hoarseness, transient hypocalcemia, hypothyroidism, wound bleeding, and hoarseness. Conclusions: The results of this study suggest that palpable nodules in anterior aspect of neck is revealed cold nodule by thyroid scanning and malignancy by fine needle aspiration cytology, which should be removed surgically. There is no difference in complication and survival rate with type of operation and lymphatic dissection. Therefore, procedure of operation is dependent on the site of nodule and involvement of lymph node.
Clinical features of 147 patients with biopsy-proven thyroid carcinomas were investigated from January, 1972 to April, 1978 at the Seoul National University Hospital with the following results. 1) The incidence of thyroid carcinomas according to their histopathological classification revealed 76.2% of papillary carcinoma, 19.0% of follicular carcinoma, and 3 cases of occult sclerozing carcinoma, 1 case of giant cell carcinoma and 1 case of metastatic melanoma. 2) The ratio of male to femle patients was 1:8.3 and showed no difference between papillary and follicular carcinomas. 3) The age distribution showed the peak incidence in the fourth decade (29.3%) followed by the fifth and sixth decades. 4) The average duration of illness from the onset of symptoms was about 5 years while it was 4.4 years and 7.6 years in the papillary and follicular carcinomas respectively. 5) The diameter of the thyroid masses was smaller than 5 cm in 53.6% of the patients, from 5 cm to 10 cm in 40.0% and larger than 10 cm in 6.4%. 6) In 36.4% of the patients with thyroid carcinomas the thyroid masses were fixed to adjacent tissues. 7) Metastasis to the regional lymph nodes was noted in 40.0% of the total cases, and in 45.2% and 17.6% of the papillary and follicular carcinomas respectively, while the lung and bone metastases were found in 10.0% and 4.4% in each type respectively. 8) 88.9% of the patients showed cold areas in the thyroid scans using $^{131}I$. 9) Typical psammoma bodies were observed in 21.3% of the cases in the microscopic examination of the pathological specimens. 10) The initial diagnosis of thyroid malignancy could be made before histological confirmation in 64.5% of the patients. 11) The clinical staging slightly modified from Schulz method revealed 43.6% of the patients in stage I, 26.4% in stage II, 20.9% in stags III and 9.1 % in stage IV. 12) The association with Hashimoto's thyroiditis was noted in 4 cases, with nodular goiter in 3 cases, and with follicular adenoma in 1 case.
본 연구에서는 HPL-04가 골관절염의 예방 및 치료 약물로서의 가능성을 탐색하여 다음과 같은 결론을 얻었다. HPL-04는 연골세포 생존율과 연골형성과 관련된 collagen type II, SOX 9 그리고 aggrecan의 유전자 발현을 유의성 있게 증가시킬 뿐만 아니라 염증성 인자와 관련 있는 MMP-2, 9도 유의성 있게 감소시켰다. HPL-04는 MIA에 의해 유도된 퇴행성 골관절염에서 관절연골의 파괴와 골 침식 등 연골의 변성을 억제했으며 proteoglycan의 소실을 유의성 있게 감소시켰다. 이에 본 연구는 HPL-04가 부작용이 적고 약리효과가 뛰어나 골관절염 예방 및 치료제 개발에 활용될 수 있을 것으로 본다.
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