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PD1-mediated mesenchymal stem cells immunemodulation: the two sides of the coin PD1介导的间充质干细胞免疫调节:硬币的两面
Pub Date : 2018-08-10 DOI: 10.15406/ICPJL.2018.06.00179
G. Pennesi
According to the Mesenchymal and Tissue Stem Cell Committee of the International Society for Cellular Therapy, Mesenchymal Stem Cells (MSC) are defined as multipotent mesenchymal cells that can be found in several disparate tissues and can differentiate into osteoblasts, adipocytes, and chondroblasts, under appropriate culture conditions.1,2 The first evidences that MSC can have immunomodulatory properties were published more than a decade ago.3,4 followed by the first successful report of cell therapy with MSC for Graft Versus Host Disease (GVHD) in human.5 Within the Immune System, MSC act on the innate response by hampering the proliferation and activation of macrophages and Natural Killer (NK) cells, and on the adaptive immunity blocking the proliferation and activation of T and B lynphocytes.3,4 MSC immunosuppressant function is due to the redundant combination of secreted factors and membrane receptors engaged in cell-to-cell contact. Activated MSC produce several inhibitory cytokines, such as Transforming Growth Factor β (TGFβ), Hepatocyte Growth Factor (HGF), Indole amine 2,3-dioxygenase (IDO), Nitric Oxide (NO), Human Leukocyte Antigen G5 (HLA G5), Prostaglandin E2 (PGE2), and Interleukin 10 (IL10). They express also the inhibitory receptors Cytotoxic T-Lymphocyte Antigen 4 (CTLA4), HLA-G1, Vascular and Intercellular Cell Adeshion Molecule 1 (VCAM1 and ICAM1), and PD1/PD-Ligand 1 (PD-L1).3,4
根据国际细胞治疗学会间充质和组织干细胞委员会,间充质干细胞(MSC)被定义为多能间充质细胞,可以在几种不同的组织中发现,在适当的培养条件下可以分化成成骨细胞、脂肪细胞和成软骨细胞。1,2十多年前,MSC具有免疫调节特性的第一个证据被发表。随后,首次成功报道了用MSC细胞治疗人类移植物抗宿主病(GVHD)在免疫系统中,间充质干细胞通过抑制巨噬细胞和自然杀伤细胞(NK)的增殖和激活来作用于先天应答,并通过抑制T淋巴细胞和B淋巴细胞的增殖和激活来作用于适应性免疫。3,4间充质干细胞的免疫抑制功能是由于分泌因子和膜受体参与细胞间接触的冗余组合。活化的MSC产生多种抑制细胞因子,如转化生长因子β (TGFβ)、肝细胞生长因子(HGF)、吲哚胺2,3-双加氧酶(IDO)、一氧化氮(NO)、人白细胞抗原G5 (HLA G5)、前列腺素E2 (PGE2)和白细胞介素10 (IL10)。它们还表达抑制受体细胞毒性t淋巴细胞抗原4 (CTLA4)、HLA-G1、血管和细胞间细胞粘附分子1 (VCAM1和ICAM1)和PD1/ pd -配体1 (PD-L1) 3,4
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引用次数: 5
Mucinous adenocarcinoma of the prostate: case report and review of the literature 前列腺粘液腺癌:病例报告及文献复习
Pub Date : 2018-08-09 DOI: 10.24294/MIPT.V0I0.207
A. Otsetov, K. Kalchev, Natasha Takova, A. Hinev
Background: Mucinous adenocarcinoma of the prostate (MACP) is a rare variant of prostatic carcinoma that is characterized by pools of extra-acinar mucin. Precise diagnosis is important due to nonspecific findings on imaging tests, its aggressive behaviour and poor response to radiotherapy. The essential point in the diagnosis of MACP is to rule out the extraprostatic malignancies, originating from the bladder or colorectum. Case Report: A 57-year-old man presented in our clinic with urinary frequency, nocturia and voiding difficulties. Digital rectal examination revealed a slightly enlarged prostate, without palpable nodules. Patient PSA was 18.0 ng/mL. Twelve-core transrectal ultrasound-guided biopsy confirmed prostate cancer with Gleason score 8 (3+4). Up to 50% of the tumor lesion consisted of neoplastic glands with isolated cells, floating in mucinous material. The metastatic work-up, including CT scan and bone scintigraphy was negative and radical retropubic prostatectomy with lymph node dissection has been performed. Periodic Acid Schiff staining confirmed the presence of mucinous prostatic adenocarcinoma. Morphological examination was negative for lymph nodes metastases. The extraprostatic extension and surgical margins were negative. Three years after surgery, patient’s serum PSA remained undetectable, without recurrence. Conclusion:  We report this case due to the rarity of primary MACP and its challenging diagnosis. Although MACP may be associated with poor outcome, its proper diagnosis and treatment significantly contribute to favorable prognosis and patient survival.
背景:前列腺粘液腺癌(MACP)是一种罕见的前列腺癌变体,其特征是腺泡外粘蛋白池。由于影像学检查的非特异性结果、其攻击性行为和对放疗的不良反应,精确诊断很重要。MACP诊断的要点是排除起源于膀胱或结直肠的前列腺外恶性肿瘤。病例报告:一名57岁的男性出现在我们的诊所,有尿频、夜尿和排尿困难。直肠指检显示前列腺轻微肿大,无明显结节。患者PSA为18.0 ng/mL。12例经直肠超声引导的前列腺活检证实为癌症,Gleason评分为8(3+4)。高达50%的肿瘤病变由漂浮在粘液物质中的带有分离细胞的肿瘤腺体组成。转移性检查,包括CT扫描和骨闪烁扫描均为阴性,并进行了带淋巴结清扫的耻骨后前列腺癌根治术。周期性酸性希夫染色证实存在粘液性前列腺腺癌。淋巴结转移的形态学检查为阴性。瓣外扩张和手术切缘均为阴性。术后三年,患者的血清PSA检测不到,没有复发。结论:由于原发性MACP的罕见性及其具有挑战性的诊断,我们报告了这一病例。尽管MACP可能与不良预后有关,但其正确的诊断和治疗有助于改善预后和患者生存率。
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引用次数: 0
Paleonutrition-Salvation or Fantasy? 古营养:拯救还是幻想?
Pub Date : 2018-08-03 DOI: 10.15406/icpjl.2016.02.00054
V. Vetvicka
Paleonutrition is currently considered to be one of the healthiest diets. On the other hand, numerous nutritionists believe that this type of diet is nothing more than unsubstantiated fantasy. In this article, we discuss this topic from the historical and evolutionary perspective.
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引用次数: 0
Epithelial excrescence, protuberance, hypertrophy: the oral cicatrix 上皮赘肉、突起、肥大:口腔瘢痕
Pub Date : 2018-07-30 DOI: 10.15406/icpjl.2018.06.00178
Anu Bajaj
Preface: Oral Squamous Papilloma occurs preponderantly in females with a variable age of presentation. Specific clinical and physical attributes may be observed. Excision biopsy, histopathology and congruous immunohistochemical parameters may be appraised. Invasive squamous cell carcinoma with the progenitors such as cervical intraepithelial neoplasm (grade III) and carcinoma in situ may incorporate the nuclear (DNA) sequences of HPV 16 and 18 in numerous instances.4‒6 Human Papilloma Virus contamination activates the benign cellular expanse. Subsequent somatic mutations may assist the propagation of the virus. Pathogenic determinants of malignant conversion such as smoking, concomitant infections, dietary deficiencies, hormonal changes may expedite the cellular adaptations. The specific HPV-DNA may be amply evidenced in the neoplasm.2,3 The p53 protein assists the determination of the DNA repair or the activation of programmed cell death (apoptosis),7 a characteristic of the negatively coordinated cell growth. Initiation of p53 protein may competently inhibit cell growth and signify cell death (apoptosis). Protein E6 of the transforming HPV (16/18) may efficaciously combine with protein p53. The viral protein E6 engages the cellular protein E6 AP which is employed as a Ubiquitin ligase for the p53 comprising complex. Ubiquitination of the p53 emerges due to the protein retention, followed by marked degradation. In the absence of p53 protein, the cell is deprived of the ability to discern and restore the latent, devastated DNA. Thus the cell division may persist without cellular rejuvenation.1,7 Remodelled, invariable protein p53 may be ascertained by immune-histochemistry.1
前言:口腔鳞状乳头状瘤主要发生在不同年龄的女性。可以观察到特定的临床和物理特征。可以评估切除活检、组织病理学和一致的免疫组织化学参数。具有祖细胞的侵袭性鳞状细胞癌,如宫颈上皮内肿瘤(III级)和原位癌,在许多情况下可能包含HPV 16和18的核(DNA)序列。4-6人类乳头瘤病毒污染激活良性细胞扩张。随后的体细胞突变可能有助于病毒的传播。恶性转化的致病决定因素,如吸烟、伴随感染、饮食不足、激素变化,可能会加速细胞适应。特异性HPV-DNA可以在肿瘤中得到充分证明。2,3 p53蛋白有助于确定DNA修复或程序性细胞死亡(凋亡)的激活,7这是负协调细胞生长的特征。p53蛋白的启动可能完全抑制细胞生长并表示细胞死亡(凋亡)。转化型HPV(16/18)的E6蛋白可以有效地与p53蛋白结合。病毒蛋白E6与细胞蛋白E6-AP接合,细胞蛋白E6-AP被用作包含p53的复合物的泛素连接酶。p53泛滥成灾是由于蛋白质滞留,随后发生明显降解。在缺乏p53蛋白的情况下,细胞被剥夺了辨别和恢复潜在的、被破坏的DNA的能力。因此,细胞分裂可能在没有细胞再生的情况下持续。1,7可以通过免疫组织化学确定重塑的、不变的p53蛋白。1
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引用次数: 0
Dermatofibrosarcoma protuberans of male breast: a case report 男性乳房隆突性皮肤纤维肉瘤1例
Pub Date : 2018-07-18 DOI: 10.15406/ICPJL.2018.06.00177
R. Dhakal, R. Makaju, S. Makaju, G. Shrestha
Dermatofibrosarcoma protuberans (DFSP) is an uncommon tumour of skin that accounts for 1.8% of all skin tumours.1 The tumour occurs on any part of the body but are commonly found at the trunk and extremities.2 It usually affects adults between the second and fifth decade of life. Incomplete resection can lead to local recurrence but distant metastases are rare.3,4 Immunohistochemistry remains an important tool to categorize DFSP. CD 34 is a better indicator. Besides, Factor xiiia, and apo-d also remains some other diagnostic tools.5
隆起性皮肤纤维肉瘤(DFSP)是一种不常见的皮肤肿瘤,占所有皮肤肿瘤的1.8%。1肿瘤发生在身体的任何部位,但常见于躯干和四肢。2它通常影响生命的第二到第五个十年之间的成年人。不完全切除可能导致局部复发,但远处转移是罕见的。3,4免疫组织化学仍然是对DFSP进行分类的重要工具。CD 34是一个更好的指示器。此外,因子xiia和apo-d也保留了一些其他诊断工具。5
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引用次数: 1
Thrush, plaque, membrane, hyphae-the oral contingent Thrush,斑块,膜,菌丝口腔特遣队
Pub Date : 2018-06-27 DOI: 10.15406/ICPJL.2018.06.00176
Anu Bajaj
ii) Candida sp and co-existent oral microorganisms interactively collaborate, inhibit and counteract the consequences of microbial invasion.1 The saliva is endowed with mechanical disinfectant attributes and immunogenicity, with the incorporation of the salivary antibodies, which may aggregate the Candida organisms to circumvent the coherence to the epithelial surface and the enzymatic ingredients such as lysozyme, lactoperoxidase, and antileukoprotease.1 A disintegrated localized and systemic host defence ensures an inherent susceptibility to oral contamination, in conjunction with the virulent Candida micro-organisms and an Oral condition may emerge. A commensal or a carrier state may not symbolize a disease condition.1,3
ii)念珠菌与共存的口腔微生物相互协作,抑制和抵消微生物入侵的后果唾液具有机械消毒剂的特性和免疫原性,唾液抗体的结合可使念珠菌聚集,以避开与上皮表面和溶菌酶、乳过氧化物酶和抗白蛋白蛋白酶等酶成分的一致性分解的局部和系统性宿主防御确保了对口腔污染的固有易感性,再加上有毒的念珠菌微生物,可能出现口腔疾病。共体状态或载体状态可能不代表疾病状况1,3
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引用次数: 0
Role of immunohistochemical markers in breast cancer and their correlation with grade of tumour, our experience 免疫组织化学标志物在乳腺癌中的作用及其与肿瘤分级的相关性,我们的经验
Pub Date : 2018-06-18 DOI: 10.15406/ICPJL.2018.06.00175
N. Atif, Muneeza Khalid, O. Chughtai, Saad Asif, M. Rashid, Chughtai As
Breast cancer is a major concern and one of the leading causes of cancer related death worldwide. Breast cancer like many other types of cancer is a complex heterogeneous disease controlled by a multitude of genetic and epigenetic alterations.1. In Pakistani females, breast carcinoma occurs at a younger age group. Infiltrating ductal carcinoma is the most common type of tumour.2 Male breast carcinoma is an uncommon disease.3 Less than 1% of all breast carcinomas occur in men.4,5 The pathology is similar to that of female breast cancer, and infiltrating ductal cancer is the most common tumor type.6 During the past two decades the mortality rate has declined significantly, primarily due to the early use of adjuvant chemotherapy as well as detection of earlier stage tumours due to increased screening.7,8 Prognosis and management of breast cancer is influenced by the classical variables such as histological type and grade, tumour size, lymph node status, and status of hormonal receptors, Estrogen receptors (ER) and progesterone receptors (PR) of the tumour and more recently Her2Neu oncoprotein status.8,9 ER expression is undoubtedly the most important biomarker in breast cancer, because it provides the index for sensitivity to endocrine treatment. ER positive tumours (80% of breast cancer) use the steroid hormone estradiol as their main growth stimulus; ER is therefore direct target of endocrine therapies. PR expression is strongly dependent on the presence of ER. Tumours expressing PR but not ER are uncommon and represent <1 % of all breast cancer.10 The proto–oncogene(C–erb) has been localized to chromosome 17q and encodes a transmembrane tyrosine kinase growth factor receptor. The name for the Her2 Neu is derived from human epidermal growth factor receptor, as it features substantial homology with the epidermal growth factor receptor (EGFR).11,12 Amplification and/or overexpression of Her2/ Neu gene is routinely evaluated using immunohistochemistry and or/ fluorescence insitu hybridization (FISH) in all cases of invasive breast carcinoma. Her–2 Neu amplification occurs in about one quarter to one fifth of breast cancers.13 The purpose of this study was to analyze the immunohistochemical markers in invasive carcinoma of breast and to assess the relationship of hormonal receptor status and Her2 Neuoncoprotein over expression with tumour grade.
乳腺癌是一个主要问题,也是全世界癌症相关死亡的主要原因之一。乳腺癌和许多其他类型的癌症一样,是一种复杂的异质性疾病,由多种遗传和表观遗传改变控制。在巴基斯坦女性中,乳腺癌发生在较年轻的年龄组。浸润性导管癌是最常见的肿瘤类型男性乳腺癌是一种罕见的疾病不到1%的乳腺癌发生在男性身上。病理与女性乳腺癌相似,浸润性导管癌是最常见的肿瘤类型在过去二十年中,死亡率显著下降,这主要是由于早期使用辅助化疗以及由于筛查增加而发现早期肿瘤。7,8乳腺癌的预后和治疗受到经典变量的影响,如组织学类型和分级、肿瘤大小、淋巴结状态、肿瘤的激素受体、雌激素受体(ER)和孕激素受体(PR)状态以及最近的Her2Neu癌蛋白状态。8,9雌激素受体的表达无疑是乳腺癌中最重要的生物标志物,因为它提供了对内分泌治疗敏感性的指标。雌激素受体阳性肿瘤(80%的乳腺癌)使用类固醇激素雌二醇作为其主要的生长刺激;因此,内质网是内分泌治疗的直接靶点。PR的表达强烈依赖于ER的存在。表达PR而不表达ER的肿瘤并不常见,占所有乳腺癌的1%以下原癌基因(c - erbb)已定位于染色体17q,并编码一种跨膜酪氨酸激酶生长因子受体。Her2 Neu的名称来源于人表皮生长因子受体,因为它与表皮生长因子受体(EGFR)具有很大的同源性。11,12在所有浸润性乳腺癌病例中,使用免疫组织化学和/或荧光原位杂交(FISH)常规评估Her2/ Neu基因的扩增和/或过表达。大约四分之一到五分之一的乳腺癌患者存在Her-2扩增本研究的目的是分析浸润性乳腺癌的免疫组织化学标志物,并评估激素受体状态和Her2 Neuoncoprotein过表达与肿瘤分级的关系。
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引用次数: 5
Acute nephrotoxicity an unusual side effect or adverse toxicity of Captagon 急性肾毒性是一种不寻常的副作用或不良毒性
Pub Date : 2018-06-05 DOI: 10.15406/icpjl.2018.06.00174
Hisham Abu Farsak, Rawan Aljaras, N. A. Farsakh, H. Farsakh
Initial complete blood count (CBC) showed hemoglobin 11grams/ dL, total leukocyte count of 9×109/L and platelet count of 460000/ μL. No schistocytes were found on peripheral blood smear. A blood chemistry panel showed urea nitrogen 27mg/dL (8‒21mg/ dL), creatinine 1.1mg/dL (0.8‒1.3mg/dL), sodium 136mmol/L (135‒145mmol/L), potassium 4.2mmol/L (3.5‒5mmol/L), calcium 8.1mg/dL (8.5‒10.2mg/dL), glucose 93mg/ dL (65‒110mg/dL), LDH 240 U/L (120–220U/L), albumin 3.0g/dL (3.5‒5.0g/dL), and total protein 3.2g/dL (5.0–9.0g/dL), HCO3 20mEq/L (22–29mEq/L). Liver function test was normal. Urinalysis revealed protein (+), with increased red blood cells, no eosinophiluria. Serologic test results for anti‒nuclear antibody, anti‒double‒stranded DNA antibody, rheumatoid factor, cryoglobulinemia, hepatitis B and C, and ANCA were negative. Serum C3 and C4 levels were normal.
初始全血细胞计数(CBC):血红蛋白11g / dL,白细胞总数9×109/L,血小板460000/ μL。外周血涂片未见血吸虫细胞。血化验图显示尿素氮27mg/dL (8-21mg /dL)、肌酐1.1mg/dL (0.8-1.3mg /dL)、钠136mmol/L (135-145mmol /L)、钾4.2mmol/L (3.5-5mmol /L)、钙8.1mg/dL (8.5-10.2mg /dL)、葡萄糖93mg/ dL (65-110mg /dL)、LDH 240u /L (120-220U /L)、白蛋白3.0g/dL (3.5-5.0g /dL)、总蛋白3.2g/dL (5.0-9.0g /dL)、HCO3 20mEq/L (22-29mEq /L)。肝功能检查正常。尿分析显示蛋白(+),红细胞增多,无嗜酸性尿。抗核抗体、抗双链DNA抗体、类风湿因子、冷球蛋白血症、乙型和丙型肝炎、ANCA血清学检测结果均为阴性。血清C3、C4水平正常。
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引用次数: 0
EGFR inhibition in metastatic triple negative breast cancer: a losing target 转移性三阴性乳腺癌症中EGFR的抑制作用:一个失败的靶点
Pub Date : 2018-05-22 DOI: 10.15406/ICPJL.2018.06.00173
G. Hachem
Triple negative breast cancer is a histologic subtype of breast carcinomas characterized by the lack of expression of hormone receptors (HR), human epidermal growth factor receptor 2 (HER2). Fifteen percent of the breast carcinomas are triple negative. It is the most aggressive histological subtype, affecting younger age population, and highly associated with distant recurrences despite adequate local control, mainly in the first three years following the diagnosis. In the metastatic setting, the median overall survival is around 12 months.1,2 The only available treatments still consist of conventional cytotoxic chemotherapy with many promising results seen with poly‒ADP‒ribose‒polymerase inhibitors (PARP) inhibitors during this last decade. Many pathways and receptors expressed in the metastatic triple negative breast cancer (mTNBC) had been the subjects of research and clinical trials: androgen receptors, epidermal growth factor receptor (EGFR), antibody drug conjugate via targeting certain surface receptors and anti‒angiogenics.
癌症是乳腺癌的一种组织学亚型,其特征是缺乏激素受体(HR)、人表皮生长因子受体2(HER2)的表达。15%的乳腺癌为三阴性。它是最具侵袭性的组织学亚型,影响年轻人群,尽管有足够的局部控制,但与远处复发高度相关,主要发生在诊断后的前三年。在转移性环境中,中位总生存期约为12个月。1,2唯一可用的治疗方法仍然包括传统的细胞毒性化疗,在过去十年中,聚ADP核糖聚合酶抑制剂(PARP)抑制剂取得了许多有希望的结果。转移性三阴性癌症(mTNBC)中表达的许多途径和受体一直是研究和临床试验的主题:雄激素受体、表皮生长因子受体(EGFR)、通过靶向某些表面受体的抗体-药物偶联物和抗血管生成药物。
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引用次数: 0
Solitary plasmacytoma of rib: a rare presentation 肋骨孤立性浆细胞瘤:罕见表现
Pub Date : 2018-05-07 DOI: 10.15406/ICPJL.2018.06.00172
Sujita Bh, Ari, R. Makaju, S. Baral
Plasmacytoma is a localized collection of neoplastic plasma cells presenting either as a solitary lesion or a manifestation of multiple myeloma.1 The International Myeloma Working Group has defined a diagnostic criteria for Solitary Plasmacytoma of Bone which requires all the following to be fulfilled: (i) biopsy‒proven solitary lesion of bone or soft tissue with evidence of clonal plasma cells, (ii) Normal bone marrow with no evidence of clonal plasma cells, (iii) Normal skeletal survey and MRI (or CT) of the spine and pelvis (except for the primary solitary lesion), and (iv) Absence of end‒organ damage such as hypercalcemia, renal insufficiency, anemia, or bone lesions (CRAB) that can be attributed to a lymphoplasma cell proliferative disorder.2
浆细胞瘤是肿瘤浆细胞的局部集合,表现为孤立性病变或多发性骨髓瘤的表现。1国际骨髓瘤工作组定义了骨孤立性浆细胞瘤的诊断标准,该标准要求满足以下所有条件:(i)活组织检查-有克隆性浆细胞证据的骨或软组织孤立性病变,(ii)没有克隆浆细胞证据的正常骨髓,(iii)脊椎和骨盆的正常骨骼检查和MRI(或CT)(原发性孤立性病变除外),以及(iv)没有可归因于淋巴浆细胞增殖性疾病的末端器官损伤,如高钙血症、肾功能不全、贫血或骨病变(CRAB)。2
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引用次数: 1
期刊
International clinical pathology journal
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