• Title/Summary/Keyword: medical complex

Search Result 1,796, Processing Time 0.026 seconds

Autophagy in Cervical Cancer: An Emerging Therapeutic Target

  • Pandey, Saumya;Chandravati, Chandravati
    • Asian Pacific Journal of Cancer Prevention
    • /
    • v.13 no.10
    • /
    • pp.4867-4871
    • /
    • 2012
  • Cervical cancer is a leading cause of morbidity and mortality in women worldwide. Although the human papillomavirus (HPV) is considered the major causative agent of cervical cancer, yet the viral infection alone is not sufficient for cancer progression. The etiopathogenesis of cervical cancer is indeed complex; a precise understanding of the complex cellular/molecular mechanisms underlying the initiation, progression and/or prevention of the uterine cervix is therefore essential. Autophagy is emerging as an important biological mechanism in targeting human cancers, including cervical cancer. Furthermore, autophagy, a process of cytoplasm and cellular organelle degradation in lysosomes, has been implicated in homeostasis. Autophagic flux may vary depending on the cell/tissue type, thereby altering cell fate under stress conditions leading to cell survival and/or cell death. Autophagy may in turn govern tumor metastasis and subsequent carcinogenesis. Inflammation is a known hallmark of cancer. Vascular insufficiency in tumors, including cervical tissue, leads to depletion of glucose and/or oxygen perturbing the osmotic mileu causing extracellular acidosis in the tumor microenvironment that may eventually result in autophagy. Thus, targeted manipulation of complex autophagic signaling may prove to be an innovative strategy in identification of clinically relevant biomarkers in cervical cancer in the near future.

Antifilarial activity of Nigella sativa on Setaria cervi-an in vitro study

  • Rizvi, Waseem;Kumar, Anil;Rizvi, NH;Ahmad, Razi;Singhal, KC;Khan, Atif
    • Advances in Traditional Medicine
    • /
    • v.5 no.3
    • /
    • pp.240-245
    • /
    • 2005
  • The effect of aqueous and alcoholic extract of seeds of Nigella sativa (N. sativa) was studied on the spontaneous movements of the whole worm (w.w) preparation and nerve muscle (n.m) complex of Setaria cervi (S. cervi). Both the extracts caused inhibition of spontaneous movements of the w.w and n.m complex characterized by initial stimulation followed by irreversible paralysis, with the exception that aqueous extract produced a partially reversible paralysis of w.w preparation. Lesser concentration of both the extracts was required to inhibit the movements of n.m complex than the w.w. Suggesting a cuticular permeability barrier. The lethal concentration $50\;(LC_{50})$ and lethal concentration $90\;(LC_{90})$ were 30 and 55 ng/ml for aqueous and 45 and 60 ng/ml for alcoholic extracts respectively.

Low doses of amitriptyline, pregabalin, and gabapentin are preferred for management of neuropathic pain in India: is there a need for revisiting dosing recommendations?

  • Kamble, Sanjay Vasant;Motlekar, Salman Abdulrehman;D'souza, Lyndon Lincoln;Kudrigikar, Vinay Nanda;Rao, Sameer Eknath
    • The Korean Journal of Pain
    • /
    • v.30 no.3
    • /
    • pp.183-191
    • /
    • 2017
  • Background: Current therapy for the treatment of neuropathic pain is often unsatisfactory. Considerable variation in treatment pattern still exists in spite of availability of sufficient literature from various guidelines. Recent Indian market data suggested that the utilization (sale) of drugs such as amitriptyline, pregabalin, and gabapentin was more for low-dose unit packs than that of the high-dose unit packs, raising the belief that these drugs are prescribed at a lower dose than is actually recommended in the guidelines. To test this hypothesis, a survey was conducted across speciality throughout the country to observe the prescription pattern of these drugs amongst the health care providers in India. Methods: Three hundred fifty survey forms were distributed of which 281 forms were included for analysis. Results: It was observed that the commonly used initiation and maintenance dose for amitriptyline, pregabalin, and gabapentin was 5-10 mg/day, 50-75 mg/day, and 100-300 mg/day, respectively. The reason to select the lower dosages was to have a balancing effect to achieve good efficacy with minimum side effects. Care-givers reported no side effects/not many side effects as a reason in 22.2%, 16.88%, and 23.86% patients with amitriptyline, pregabalin, and gabapentin, respectively. Sedation and giddiness were commonly reported with all three drugs. Conclusions: Commonly prescribed drugs for management of neuropathic pain, such as amitriptyline, pregabalin, and gabapentin are preferred at lower doses in Indian clinical settings. Acceptable efficacy and low tolerance to the standard dosage is believed to be the reason behind the prescribed dose.

Association of heavy metal complex exposure and neurobehavioral function of children

  • Minkeun Kim;Chulyong Park;Joon Sakong;Shinhee Ye;So young Son;Kiook Baek
    • Annals of Occupational and Environmental Medicine
    • /
    • v.35
    • /
    • pp.23.1-23.14
    • /
    • 2023
  • Background: Exposure to heavy metals is a public health concern worldwide. Previous studies on the association between heavy metal exposure and neurobehavioral functions in children have focused on single exposures and clinical manifestations. However, the present study evaluated the effects of heavy metal complex exposure on subclinical neurobehavioral function using a Korean Computerized Neurobehavior Test (KCNT). Methods: Urinary mercury, lead, cadmium analyses as well as symbol digit substitution (SDS) and choice reaction time (CRT) tests of the KCNT were conducted in children aged between 10 and 12 years. Reaction time and urinary heavy metal levels were analyzed using partial correlation, linear regression, Bayesian kernel machine regression (BKMR), the weighted quantile sum (WQS) regression and quantile G-computation analysis. Results: Participants of 203 SDS tests and 198 CRT tests were analyzed, excluding poor cooperation and inappropriate urine sample. Partial correlation analysis revealed no association between neurobehavioral function and exposure to individual heavy metals. The result of multiple linear regression shows significant positive association between urinary lead, mercury, and CRT. BMKR, WQS regression and quantile G-computation analysis showed a statistically significant positive association between complex urinary heavy metal concentrations, especially lead and mercury, and reaction time. Conclusions: Assuming complex exposures, urinary heavy metal concentrations showed a statistically significant positive association with CRT. These results suggest that heavy metal complex exposure during childhood should be evaluated and managed strictly.

An Association between Mitochondrial Enzyme Activity and Hearing Loss in Patients with Chronic Renal Failure (만성 신부전증 환자에서 미토콘드리아 활성과 청력손실과의 연관성)

  • Kim, Eun-Sook;Ahn, Seon-Ho;Kim, Shin-Moo;So, Hong-Seob;Park, Rae-Kil
    • Korean Journal of Clinical Laboratory Science
    • /
    • v.38 no.3
    • /
    • pp.218-223
    • /
    • 2006
  • Sensorineural hearing loss is frequently found in patients with chronic renal failure (CRF). There have been many efforts to elucidate the etiologic factors of hearing loss in patients with CRF. However, there was not any clear identified cause of hearing loss. This study was undertaken to evaluate the activity of mitochondrial respiratory chain (MRC) in CRF patients with hearing impairment. To determine MRC activity, peripheral blood cells were obtained from CRF patients with hearing impairment receiving dialysis and normal subjects without any hearing problems. MRC activity of complex I and complex III was measured by the Trounces method. In MRC activities between the normal subjects group and CRF patients with hearing problems, the complex I and III activities of CRF patients with hearing problems were 63% and 85% compared with normal subjects (p<0.01). These results suggest that the activity of MRC may be implicated in the underlying mechanism of the hearing impairment in CRF patients, through mitochondrial DNA mutations at MRC complex I region with a decrement of MRC activity.

  • PDF

Complex Hemangioma of the Breast: Case Report, with Imaging Findings

  • Lee, Joo Yeon;Cha, Joo Hee;Kim, Hak Hee;Shin, Hee Jung;Chae, Eun Young;Choi, Woo Jung;Song, Min Jeong
    • Investigative Magnetic Resonance Imaging
    • /
    • v.19 no.2
    • /
    • pp.131-135
    • /
    • 2015
  • Vascular tumors in the breast are rare, and most can be classified as being either angiosarcomas or hemangiomas. Hemangiomas are benign vascular tumors that are usually identified incidentally. Here, we are reporting on a case of a complex hemangioma of the breast, and describing the mammography, ultrasonography, and magnetic resonance imaging findings for this patient.

Determination of Buprenorphine in Raw Material and Pharmaceutical Products Using Ion-pair Formation

  • Amanlou, Massoud;Khosravian, Peghah;Souri, Effat;Dadrass, Orkideh Ghorban;Dinarvand, Rasoul;Alimorad, Mohammad Massoud;Akbari, Hamid
    • Bulletin of the Korean Chemical Society
    • /
    • v.28 no.2
    • /
    • pp.183-187
    • /
    • 2007
  • A simple and sensitive extractive spectrophotometric method has been described for the determination of buprenorphine either in raw material or in pharmaceutical formulations. The developed method is based on the formation of a colored ion-pair complex (1 : 1 drug/dye) of buprenorphine and bromocresol green (BCG) in buffer pH 3 and extracting in chloroform. The extracted complex shows absorbance maxima at 415 nm. Beer's law is obeyed in the concentration range of 1.32-100.81 μ g mL-1. The proposed method has been applied successfully for the determination of drug in commercial sublingual tablets and injectable dosage form. No significant interference was observed from the excipients commonly used as pharmaceutical aids with the assay procedure.

The Use and its Affecting Factors of patients aged 30 and over with single and multiple chronic diseases and their usage outpatient Korean medicine clinics - Based on the Ministry of Health and Welfare's 2011 Report on usage of Korean medicine - (30세 이상 한방의료기관 외래환자 중 비복합 및 복합만성질환자의 의료이용과 결정요인 - 2011년 한방의료이용 및 한약소비실태조사보고서(보건복지부)자료를 중심으로 -)

  • Yoon, Jinwon;Choi, Sungyong;Lee, Sundong
    • Journal of Society of Preventive Korean Medicine
    • /
    • v.19 no.1
    • /
    • pp.95-107
    • /
    • 2015
  • Objective : To use and its affecting factors of patients' outpatient treatment that have single and multiple chronic illnesses Method : We used the 2011 study by the Ministry of Health and Welfare, "Report on Usage and Consumption of Korean Medicine." This report was conducted on outpatients and inpatients that visited Korean traditional medicine, from August 25th, 2011, to September 30th, 2011. Our research was based on 1729 patients with chronic diseases aged 30 and over who received outpatient treatment during the last three months. Results : There were 1365 patients with non-complex chronic diseases, while there were 364 patients with complex chronis diseases. Patients had 1 - 8 chronic diseases, and the average number (standard deviation) was 1.26 (0.59). There were statistically significant differences by sex(P<0.0001), age(p=0.0045), marriage (p=0.0060), education level(p<0.0001), income level(P=0.0063), and types of health insurance(p=0.0023). The diseases most common among patients with non-complex chronic diseases were: low back pain, arthritis, gastrointestinal disorder, frozen shoulder, side effects from motor accidents, high blood pressure, fracture, stroke, diabetes, cancer, atopic dermatitis, and asthma. The diseases most common among patients with non-complex chronic diseases were: arthritis+low back pain, low back pain+gastrointestinal disorder, low back pain+side effects from motor accidents, low back pain+frozen shoulder, arthritis+gastrointestinal disease, gastrointestinal disease+frozen shoulder, arthritis+low back pain+gastrointestinal disease, high blood pressure+arthritis, arthritis+low back pain+frozen shoulder, arthritis+fracture, and arthritis+side effects from motor accidents. There were statistically significant differences among the usage of medical clinics by: frequently used clinic (p<0.0001), number of treatment (p<0.0001), the cost of outpatient treatment (p=0.0073), the satisfaction rate (p=0.0171), whether the clinic is the preferred clinic (p=0.0040). In model 1, men than women, people who had local benefits instead of type 1 medical aid, and patients with complex chronic diseases were more likely to use Korean medical clinics. In model 2, men than women, people who had local benefits than people with types 1 and 2 medical aids, people who went to pharmacies and Korean medicine pharmacies than people who went to hospitals, people who went to get treatment 1-10 times than people who visited 11-20 times and more than 41 times, and people who spent less than ten thousand Korean won than people who spent 1 to 2 million Korean won, and people without complex chronic diseases were more likely to use Korean medical treatment. Conclusion : There were differences in sociodemographic characteristics and the usage of medical clinics between patients with non-complex chronic diseases and patients with complex chronic diseases. Among patients with complex chronic diseases, women, patients with types 1 and 2 medical aid, patients who used Korean medical clinics, patients who were treated 11-20 times and more than 41 times, and patients who spent 1 million to 2 million Korean won on outpatient treatment used less treatment than patients with non-complex chronic diseases. However, patients with complex chronic diseases used pharmacies and Korean medicine pharmacies more.

Primary Total Elbow Replacement for Treatment of Complex Distal Humerus Fracture: Outcomes of Short-term Follow-up

  • Kim, Du-Han;Kim, Beom-Soo;Baek, Chung-Sin;Cho, Chul-Hyun
    • Clinics in Shoulder and Elbow
    • /
    • v.23 no.1
    • /
    • pp.20-26
    • /
    • 2020
  • Background: High complication rate after open reduction and internal fixation can lead to use of primary total elbow replacement (TER) in treatment of complex distal humerus fractures in elderly patients. The purpose of this study was to investigate the short-term outcomes and complications after primary TER in patients with complex distal humerus fracture. Methods: Nine patients with acute complex distal humerus fracture were treated by primary TER using the semiconstrained Coonrad-Morrey prosthesis. The mean age of patients was 72.7 years (range, 63-85 years). Clinical and radiographic outcomes were evaluated over a mean follow-up of 29.0 months (range, 12-65 months) using visual analog scale (VAS) score for pain; Mayo elbow performance score (MEPS); Quick Disabilities of the Arm, Shoulder, and Hand (Quick-DASH) score; and serial plain radiographs. Complications were also evaluated. Results: At the final follow-up, mean VAS, MEPS, and Quick-DASH scores were 1.2, 80.5, and 20, respectively. The mean range of motion was 127.7° of flexion, 13.8° of extension, 73.3° of pronation, and 74.4° of supination. There was no evidence of bushing wear or high-grade implant loosening on serial plain radiographs. Three complications (33.3%) comprising two periprosthetic fractures and one ulnar neuropathy were observed. Conclusions: Primary TER for treatment of complex distal humerus fractures in elderly patients yielded satisfactory short-term outcomes. However, surgeons should consider the high complication rate after primary TER.