Notes

Evolution and performance in the epithelial cell-specific Emergeny room strain warning IRE1β.
Cutaneous leishmaniasis caused by
(
) is an endemic disease in Iran. The current reference drugs, including Glucantime, possess high toxicity in addition to some side-effects. Therefore, there is a growing interest in exploring biomedical plants. The goal of the present study was to evaluate the anti-leishmanial activity and cytotoxicity of hydroalcoholic extracts from
(
) over promastigote and amastigote forms.

This study was performed at the Iran Birjand University of Medical Sciences, during the year 2019. In this study, the hydroalcoholic extracts of the stems, leaves (LE) and fruits (FE) of
were obtained. The anti-leishmanial activity was assessed against leptomonad promastigotes and intracellular amastigotes of
. The cytotoxicity of these extracts was determined in murine macrophages.

The FE and LE of
demonstrated a significant leishmanicidal effect against
promastigotes with an IC50 of 0.9 mg/mL and 1.1 mg/mL, respectively. The FE showed the most anti-leishmanial activity and presented with the highest index of selectivity (SI=14.6) as an anti-leishmanial product. Infected macrophages treated using the FE showed a reduction in parasite burden by 97.3%.

The results of the present study demonstrated the leishmanicidal activity of
on both promastigotes and intracellular amastigotes. There is a need for performing comprehensive studies on relevant animal models and to access the effects of active components of
extract on the growth of L. major.
The results of the present study demonstrated the leishmanicidal activity of P. farcta on both promastigotes and intracellular amastigotes. There is a need for performing comprehensive studies on relevant animal models and to access the effects of active components of P. farcta extract on the growth of L. major.Lavage has been used in the treatment of infected pancreatic necrosis(IPN) for a long time.It can be divided into peritoneal lavage and necrotic cavity lavage according to different parts of lavage.At present,peritoneal lavage is rarely used,while necrotic cavity lavage is widely used in laparotomy,minimally invasive surgery and endoscopic debridement and drainage for IPN patients.However,there is no unified standard for the type,method,duration and indication of stopping lavage.The application of lavage is controversial proponents think that necrotic cavity lavage can dilute and remove residual or new necrotic tissue,remove inflammatory mediators and reduce the times of debridement,etc.While opponents think that lavage can not significantly reduce the concentration of phospholipase A2 and other bioactive substances,and is easy to form abscess and peripancreatic sepsis and cause infection to spread into the abdominal cavity and form peritonitis.In conclusion,necrotic cavity lavage can benefit some patients,especially those with smaller drainage diameter who underwent endoscopic debridement and percutaneous catheter drainage.However,whether it is necessary for patients with larger drainage diameter who underwent laparotomy or video-assisted debridement still needs to be further studied by randomized controlled trials.Pancreatic cancer is a highly malignant tumor in the digestive system.The role of neoadjuvant therapy in pancreatic cancer has been highlighted with the understanding of pancreatic cancer biological behavior and popularization of comprehensive treatment.Therefore,Study group of Pancreatic Surgery in China Society of Surgery of Chinese Medical Association and Pancreatic Disease Committee of China Research Hospital Association has formulated the guidelines for neoadjuvant therapy of pancreatic cancer in China(2020 edition).This guidelines elaborated key issues of the neoadjuvant therapy of pancreatic cancer,and provided reference for clinical practice.This article aims to interpret the guidelines about the preparation before neoadjuvant therapy, indication, regimen selection, therapeutic effect evaluation and surgery strategy, with further discussion about controversial issues of neoadjuvant therapy in pancreatic cancer.Objective To examine the efficacy of docetaxel, carboplatin plus trastuzumab regimen (TCH) as neoadjuvant setting in early-stage human epidermal growth factor receptor 2 (HER2) positive breast cancer. Methods Totally 522 patients diagnosed with early-stage HER2 positive breast cancer at Breast Disease Center, Peking University First Hospital between January 2013 to December 2018 were enrolled, which constituted 21.8% (522/2 394) of early-stage invasive breast cancer. Senaparib supplier Clinical pathological factors were retrospectively analyzed. There were 113 female patients underwent TCH neoadjuvant chemotherapy, aging 52(13) years (range 23 to 69 years). Pathologic complete pathological response(pCR) was defined as ypT0N0M0, and the rate of pCR was calculated. Kaplan-Meier method and Log-rank test were used for survival comparison. Results Patients who received trastuzumab-based therapy(n=294) had higher disease-free survival (DFS) compared with those who omitted trastuzumab(n=177) (84.4% vs. 72.4%, χ²=4.095, P=0.046). Eighteen of 113 patients (15.9%) experienced grade 3 to 4 chemotherapy-realted toxicity. Grade 3 to 4 neutropenia occurred in 12 patients, while grade 3 to 4 diarrhea occurred in 6 patients. Thirty-one of 113 (27.4%) patients achieved pCR. DFS and overall survival (OS) were similar between patients who achieved pCR and non-pCR (DFS 91.8% vs. 85.0%, OS 92.5% vs. 90.5%, all P>0.05). According to Miller-Payne system, patients who achieved G4 to G5 had improved DFS compared with G1 to G3 (89.6% vs. 81.5%, χ²=5.340, P=0.021), but they had similar OS (91.4% vs. 89.1%, χ²=1.008, P=0.315). Conclusions TCH is an effective regimen in neoadjuvant setting for patients with HER2 positive breast cancer. Patients who achieved G4 to G5 had improved DFS.Objectives To establish a geometric model of the atlantoaxial dislocation and basilar invagination reduction,and examine its value for clinical application. Methods A retrospective analysis of 35 patients with atlantoaxial dislocation and basilar invagination admitted to the Department of Neurosurgery,First Affiliated Hospital of Chongqing Medical University from May 2018 to May 2020 was conducted.There were 5 males and 30 females,aged (48±15) years(range 19 to 69 years). The geometric model of the atlantoaxial reduction was established based on the mid-sagittal section of the cervical spine. The relevant data were calculated according to the geometric model before operation,and the fusion cage of the corresponding height was placed into C1-2 facet joint of patient for quantitative reduction. The theoretical reset value, actual reset value, postoperative symptoms and complications were collected. The paired t-test was used to compare the difference between theoretical and actual reset value to verify the reliability of the geometric model.
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