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https://www.readbyqxmd.com/read/28701517/mesangial-cell-mammalian-target-of-rapamycin-complex-1-activation-results-in-mesangial-expansion
#1
Kojiro Nagai, Tatsuya Tominaga, Sayo Ueda, Eriko Shibata, Masanori Tamaki, Motokazu Matsuura, Seiji Kishi, Taichi Murakami, Tatsumi Moriya, Hideharu Abe, Toshio Doi
Human glomerular diseases can be caused by several different diseases, many of which include mesangial expansion and/or proliferation followed by glomerulosclerosis. However, molecular mechanisms underlying the pathologic mesangial changes remain poorly understood. Here, we investigated the role of the mammalian target of rapamycin complex 1 (mTORC1)-S6 kinase pathway in mesangial expansion and/or proliferation by ablating an upstream negative regulator, tuberous sclerosis complex 1 (TSC1), using tamoxifen-induced Foxd1-Cre mice [Foxd1ER(+) TSC1 mice]...
July 12, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28683654/efficacy-and-safety-of-multitarget-therapy-with-cyclophosphamide-and-tacrolimus-for-lupus-nephritis-a-prospective-single-arm-single-centre-open-label-pilot-study-in-japan
#2
R Sakai, T Kurasawa, E Nishi, T Kondo, Y Okada, A Shibata, K Nishimura, K Chino, A Okuyama, H Takei, H Nagasawa, K Amano
Background Pulsed cyclophosphamide or mycophenolate mofetil for lupus nephritis has limited efficacy. We previously reported a case of mixed-class IV + V lupus nephritis successfully treated with cyclophosphamide and tacrolimus. This study assessed the efficacy and safety of multitarget therapy with cyclophosphamide and tacrolimus for the treatment of lupus nephritis. Methods In a prospective, single-arm, open label pilot study, we recruited 15 patients aged 18-64 years with active lupus nephritis who met the American College of Rheumatology criteria for a diagnosis of systemic lupus erythematosus (1997)...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28667184/identification-confirmation-and-replication-of-novel-urinary-microrna-biomarkers-in-lupus-nephritis-and-diabetic-nephropathy
#3
Mariana Cardenas-Gonzalez, Anand Srivastava, Mira Pavkovic, Vanesa Bijol, Helmut G Rennke, Isaac E Stillman, Xiaolan Zhang, Samir Parikh, Brad H Rovin, Maryam Afkarian, Ian H de Boer, Jonathan Himmelfarb, Sushrut S Waikar, Vishal S Vaidya
BACKGROUND: The prevalence of chronic kidney disease (CKD) is increasing, leading to significant morbidity and mortality. Kidney biopsy remains the gold standard for diagnosing the underlying etiology of CKD, but the procedure carries complication risks. The aim of this study was to identify novel noninvasive biomarkers correlating with kidney function and histopathology in biopsy-proven CKD patients. METHODS: We profiled 2402 urinary microRNAs (miRNAs) to identify and confirm differentially expressed miRNAs associated with kidney function and histopathology in patients with diabetic nephropathy (n = 58) or lupus nephritis (n = 89), important etiologies of CKD, compared with healthy controls (n = 93 and 119, respectively)...
June 30, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28666833/ludwigia-octovalvis-extract-improves-glycemic-control-and-memory-performance-in-diabetic-mice
#4
Wei-Sheng Lin, Jung-Hsin Lo, Jo-Hsuan Yang, Hao-Wei Wang, Shou-Zen Fan, Jui-Hung Yen, Pei-Yu Wang
ETHNOPHARMACOLOGICAL RELEVANCE: Ludwigia octovalvis (Jacq.) P.H. Raven (Onagraceae) extracts have historically been consumed as a healthful drink for treating various conditions, including edema, nephritis, hypotension and diabetes. AIM OF THE STUDY: We have previously shown that Ludwigia octovalvis extract (LOE) can significantly extend lifespan and improve age-related memory deficits in Drosophila melanogaster through activating AMP-activated protein kinase (AMPK)...
June 27, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28658762/role-of-immunofluorescence-in-adult-onset-nephrotic-syndrome-a-study-in-a-tertiary-care-centre-of-western-india
#5
Sharada Rane, Prerana Mutyal, Nicholas Dcunha, Mayur Parkhi, Meenal Jadhav
INTRODUCTION: Study of renal Immunofluorescence (IF) is an ancillary but essential technique in evaluation of renal biopsies in glomerulopathies and also it enlightens on the pathogenesis of nephrotic syndrome. AIM: To determine the role of IF in evaluating definite subtyping and diagnosis of adult onset nephrotic syndrome and attempting clinicopathological correlation. MATERIALS AND METHODS: A total of 52 patients of adult onset nephrotic syndrome were evaluated clinically and with pertinent investigations; and subjected to USG guided percutaneous renal biopsy which was processed and stained for light microscopy and for immunofluorescence by direct method (DIF) using antibodies against IgG, IgM, IgA and C3...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28603202/osteopontin-in-systemic-lupus-erythematosus
#6
Koji Kitagori, Hajime Yoshifuji
  In systemic lupus erythematosus (SLE), lupus nephritis (LN) is an important complication as an intractable condition and considered to be a prognostic factor. Based on the past reports that explain immunological functions of OPN and its relationship with autoimmune diseases such as LN or IgA nephropathy, we measured OPN full and OPN N-half in serum and urine of SLE patients and examined the possibility as a disease biomarker. OPN N-half is known as a more physiologically active form than OPN full. As a result, OPN N-half in urine was higher in LN than in healthy control, and also higher than in diabetic nephropathy that is a non-inflammatory nephropathy...
2017: Nihon Rinshō Men'eki Gakkai Kaishi, Japanese Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28597149/the-renal-pathological-findings-in-japanese-hiv-infected-individuals-with-ckd-a-clinical-case-series-from-a-single-center
#7
Masaki Hara, Kumiko Momoki, Masamitsu Ubukata, Akihito Ohta, Akiko Tonooka, Minoru Ando
BACKGROUND: Chronic kidney diseases (CKD) have emerged as a significant cause of morbidity and mortality in patients infected with human immunodeficiency virus (HIV). However, the detailed study of renal pathological findings currently remains unclear in these Japanese patients. METHODS: A retrospective cohort study was undertaken to investigate renal pathological findings between January 1996 and July 2016. Our study included 20 Japanese HIV-infected patients with CKD; 10 cases had undergone renal biopsies, and 10 cases had undergone autopsies, respectively...
June 8, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28584626/mmp2-and-mmp9-associate-with-crescentic-glomerulonephritis
#8
Tessa M Phillips, Mitali Fadia, Tom N Lea-Henry, Jonathan Smiles, Giles D Walters, Simon H Jiang
Background: Systemic lupus erythematosus (SLE) is a systemic autoimmune disease characterized by multiple organ involvement. Lupus nephritis (LN) is a common manifestation with a wide variety of histological appearances. Matrix metalloproteinases (MMP) 2 and 9 are gelatinases capable of degrading glomerular basement membrane type IV collagen, which have been associated with LN. We examine the expression of MMP2 and MMP9 in different classes of LN. Methods: MMP2 and MMP9 expression was detected by immunohistochemistry in sections from renal biopsy specimens with class III, class IV and class V LN (total n = 31), crescentic immunoglobulin A nephropathy (n = 6), pauci-immune glomerulonephritis (n = 7), minimal change disease (n = 2), mesangiocapillary glomerulonephritis (n = 7), diabetic nephropathy (n = 12) and histologically normal controls (n = 8)...
April 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28577018/a-case-of-kidney-involvement-in-primary-sj%C3%A3-gren-s-syndrome
#9
Farid Arman, Hania Shakeri, Niloofar Nobakht, Anjay Rastogi, Mohammad Kamgar
BACKGROUND Sjögren's syndrome is an autoimmune disorder caused by the infiltration of monocytes in epithelial glandular and extra-glandular tissues. Hallmark presentations include mouth and eye dryness. Although renal involvement is uncommon in primary Sjögren's syndrome (pSS), patients may experience renal tubular acidosis type I (RTA I), tubulointerstitial nephritis, diabetes insipidus (DI), nephrolithiasis, and Fanconi syndrome. However, it is atypical to see more than 1 of these manifestations in a single patient...
June 3, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28562254/intractable-hypoglycemia-in-the-setting-of-autoimmune-overlap-syndrome
#10
Kanika Shanker, Tanicia Daley, Robert Semple, Kelly Rouster-Stevens, J Nina Ham
Evaluation of hypoglycemia in a patient with known diabetes mellitus, although usually straightforward, can at times be challenging. We present the case of an 8 year-old Latina girl initially diagnosed with type 1 diabetes mellitus in the setting of multiple autoimmune disorders, including dermatomyositis and lupus nephritis. She subsequently developed signs of insulin resistance and severe hypoglycemia, which was found to be due to insulin-receptor autoantibodies. This condition, known as type B insulin resistance, is a rare, heterogeneous metabolic disease that may feature hypoglycemia in the setting of extreme insulin resistance and hyperinsulinemia and, in this case, masqueraded as type 1 diabetes mellitus...
May 10, 2017: Pediatrics
https://www.readbyqxmd.com/read/28552902/igg4-related-disease-manifesting-as-interstitial-nephritis-accompanied-by-hypophysitis
#11
Ken Matsuda, Ayako Saito, Yoichi Takeuchi, Hirotaka Fukami, Hiroyuki Sato, Tasuku Nagasawa
BACKGROUND IgG4-related disease is a systemic disease with marked infiltration of IgG4-positive plasma cells into affected organs and elevated serum IgG4. On clinical examination, swelling, nodules, and hypertrophic lesions might appear simultaneously or metachronously in different organs. CASE REPORT An 85-year-old man with sudden-onset polydipsia and polyuria insipidus was transported to our hospital because of hypothermia and general malaise. Laboratory tests revealed renal failure and central diabetes insipidus...
May 29, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28540895/pattern-of-acute-glomerulonephritis-in-adult-population-in-dubai-a-single-center-experience
#12
Amna K Alhadari, Fakhriya J Alalawi, Ayman Aly Seddik, Kaneez Zahra, Dileep Kumar, Hussain Yousif, Hind Alnour, Michael Jansen, Mohammad J Railey
Epidemiological data of renal diseases have great geographic variability throughout the world. Due to the lack of a national renal data registry system, there is no information on the prevalence rate, clinical and pathological features of various glomerulonephritis (GN) in the United Arab Emirates (UAE). In a retrospective cross-sectional study, we analyzed 158 renal biopsies done in Dubai Hospital, UAE, between the years of 2005 and September 2014, with an aim to determine the prevalence rate and frequency of different pathological patterns of GN in adult patients who presented with proteinuria ± hematuria...
May 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28522651/pregnancy-and-glomerular-disease-a-systematic-review-of-the-literature-with-management-guidelines
#13
Kimberly Blom, Ayodele Odutayo, Kate Bramham, Michelle A Hladunewich
During pregnancy, CKD increases both maternal and fetal risk. Adverse maternal outcomes include progression of underlying renal dysfunction, worsening of urine protein, and hypertension, whereas adverse fetal outcomes include fetal loss, intrauterine growth restriction, and preterm delivery. As such, pregnancy in young women with CKD is anxiety provoking for both the patient and the clinician providing care, and because the heterogeneous group of glomerular diseases often affects young women, this is an area of heightened concern...
May 18, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28509121/antithyroid-drug-associated-mpo-anca-positive-tubulointerstitial-nephritis-in-a-type-2-diabetes-patient-a-case-report
#14
Shinsuke Nishimura, Kazushi Nakao, Masaya Takeda, Ikuko Matsuura, Yoshihisa Nomura, Sonei Shojima, Yuriko Yamamura, Kazuyuki Fujita, Noriya Momoki, Keisuke Maruyama, Masahiro Yamamura, Makoto Hiramatsu
A 54-year-old man diagnosed with type 2 diabetes and hyperthyroidism was prescribed propylthiouracil (PTU) after the patient developed hepatic dysfunction on thiamazole. At 50 mg/day of PTU, he was stable with thyroid-stimulating hormone receptor and thyrotropic antibody titers remaining stable. After four years of taking PTU, he was referred to the Department of Nephrology due to a rapid increase in his serum creatinine (Cr) level. He showed impaired renal function (Cr 2.26 mg/dL; estimated glomerular filtration rate (eGFR), 25 mL/min)...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28484449/interleukin-6-signaling-pathway-and-its-role-in-kidney-disease-an-update
#15
REVIEW
Hua Su, Chun-Tao Lei, Chun Zhang
Interleukin-6 (IL-6) is a pleiotropic cytokine that not only regulates the immune and inflammatory response but also affects hematopoiesis, metabolism, and organ development. IL-6 can simultaneously elicit distinct or even contradictory physiopathological processes, which is likely discriminated by the cascades of signaling pathway, termed classic and trans-signaling. Besides playing several important physiological roles, dysregulated IL-6 has been demonstrated to underlie a number of autoimmune and inflammatory diseases, metabolic abnormalities, and malignancies...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28469989/drug-induced-hypersensitivity-reaction-a-case-of-simultaneous-thyroiditis-and-fulminant-type-1-diabetes
#16
Michael Marchese, Matthew Leinung, Hassan Shawa
A 43-year-old incarcerated man with AIDS was hospitalized for 30 pounds weight loss and diffuse pruritic rash. Three months prior, he was started on dapsone for Pneumocystis jiroveci pneumonia prevention. Biochemical evaluation was remarkable for eosinophilia, thrombocytopenia, acute renal insufficiency, transaminitis, thyrotoxicosis, and significant hyperglycemia (450 mg/dl; nl, 65-99). His hemoglobin A1c level was 5.9% (nl, 4.1-5.6). Thyroid-stimulating immunoglobulin, glutamic acid decarboxylase, and islet cell autoantibodies were within the normal range...
April 2017: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/28425160/causes-of-nephrotic-syndrome-and-nephrotic-range-proteinuria-are-different-in-adult-chinese-patients-a-single-centre-study-over-33%C3%A2-years
#17
Jack Kit-Chung Ng, Terry King-Wing Ma, Fernand Mac-Moune Lai, Kai Ming Chow, Bonnie Ching-Ha Kwan, Chi Bon Leung, Philip Kam-To Li, Cheuk Chun Szeto
BACKGROUND: The reported causes of nephrotic syndrome (NS) varied between different countries. Less is known about the causes of nephrotic-range proteinuria (NPU). METHODS: In this single-centre, retrospective study of adult patients who underwent renal biopsy between 1983-2015 in a tertiary referral hospital in Hong Kong, we aimed to evaluate the underlying causes of NS and NPU. We also determined the distribution of histopathological diagnoses with regard to the age subgroups and time periods RESULTS: Among 7,456 patients who underwent renal biopsy, 982 and 838 patients had NS and NPU, respectively...
April 20, 2017: Nephrology
https://www.readbyqxmd.com/read/28414714/excess-atherosclerosis-in-systemic-lupus-erythematosus-a-matter-of-renal-involvement-case-control-study-of-281-sle-patients-and-281-individually-matched-population-controls
#18
Johanna T Gustafsson, Marie Herlitz Lindberg, Iva Gunnarsson, Susanne Pettersson, Kerstin Elvin, John Öhrvik, Anders Larsson, Kerstin Jensen-Urstad, Elisabet Svenungsson
BACKGROUND: Systemic lupus erythematosus (SLE), is a heterogeneous disease which predominantly affects young females (90%). SLE is associated with a shorter life expectancy than in the general population. Standardized mortality ratios (SMR) of 2.4 have been reported, which is comparable to diabetes. In modern societies cardiovascular disease (CVD) is the major cause of premature mortality. Accelerated atherosclerosis is generally assumed to be the underlying cause for SLE related CVD...
2017: PloS One
https://www.readbyqxmd.com/read/28409327/heat-shock-proteins-and-kidney-disease-perspectives-of-hsp-therapy
#19
REVIEW
Natalia Chebotareva, Irina Bobkova, Evgeniy Shilov
Heat shock proteins (HSPs) mediate a diverse range of cellular functions, prominently including folding and regulatory processes of cellular repair. A major property of these remarkable proteins, dependent on intracellular or extracellular location, is their capacity for immunoregulation that optimizes immune activity while avoiding hyperactivated inflammation. In this review, recent investigations are described, which examine roles of HSPs in protection of kidney tissue from various traumatic influences and demonstrate their potential for clinical management of nephritic disease...
May 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28375568/fludrocortisone-therapy-for-persistent-hyperkalaemia
#20
S J H Dobbin, J R Petrie, M E J Lean, G A McKay
BACKGROUND: Type 4 renal tubular acidosis causes hyperkalaemia, for which diabetes and medications commonly used in this patient group are aetiological factors. Here we describe the novel use of fludrocortisone in this difficult condition. CASE REPORT: A 55-year-old woman with complex co-morbidities, including Type 2 diabetes (HbA1c 37 mmol/mol 5.5%), was admitted with renal failure. Bloods on admission: eGFR 25 ml/min, creatinine 184 ?mol/L, urea 35.9 mmol/L, sodium 128 mmol/L, potassium 5...
July 2017: Diabetic Medicine: a Journal of the British Diabetic Association
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