Search results for: Yuelin Shen

Items from 1 to 14 out of 14 results

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Case report of a pediatric Chinese cystic fibrosis patient with the c.1521_1523delCTT/c.3874‐4522A>G genotype

Yanyan Su, Yu Tang, Xiaolei Tang, Yuelin Shen

Pediatric Pulmonology > 58 > 2 > 556 - 558

This report describes a case of an 11‐year‐old Chinese boy with cystic fibrosis (CF) bearing the c.1521_1523delCTT/c.3874‐4522A>G genotype, an extremely rare CF genotype in the Chinese population. Notably, the deep intron mutation c.3874‐4522A>G, which has mainly been reported in patients with phenotypically mild CF, is identified here for the first time in a Chinese patient with severe CF....

article

Childhood‐onset Takayasu arteritis presenting as pyoderma gangrenosum‐like vasculitic ulceration: Three case reports and a literature review

Chunping Shen, Shunying Zhao, Bei Wang, Yuelin Shen, more

Australasian Journal of Dermatology > 63 > 2 > 244 - 247

We report a small case series of childhood‐onset Takayasu arteritis (c‐TA) presenting as pyoderma gangrenosum (PG)‐like vasculitic ulceration. The cutaneous vasculitic ulcers in systemic vasculitis are rare and severe, sometimes leading to delayed diagnosis and treatment. We summarised the clinical features and highlighted the warning signs of c‐TA associated with PG‐like vasculitic ulceration.

article

Pseudo‐Bartter syndrome in Chinese children with cystic fibrosis: Clinical features and genotypic findings

Yuelin Shen, Xiaolei Tang, Jinrong Liu, Huiming Li, more

Pediatric Pulmonology > 55 > 11 > 3021 - 3029

Objectives To characterize the clinical and genotypic features of cystic fibrosis‐associated pseudo‐Bartter syndrome (CF‐PBS) in Chinese children. Methods We recruited and characterized the clinical manifestations of 12 Chinese children with CF‐PBS. Sweat test, blood and urinary analysis, sputum culture, chest and sinus computed tomography, and abdominal ultrasonography were obtained. Whole‐exome...

article

Channel Selection and Contracting in the Presence of a Retail Platform

Yuelin Shen, Sean P. Willems, Yue Dai

Production and Operations Management > 28 > 5 > 1173 - 1185

This paper studies how a manufacturer should engage with a platform retailer and a traditional reseller. Our work is motivated by the emergence of increasingly powerful retail platforms in China’s consumer electronics and appliances markets. The manufacturer pays a slotting fee and a portion of its sales revenue to the platform retailer in exchange for the opportunity to manage its own space within...

article

Mediastinal teratoma presenting with hemoptysis and pleuritis misdiagnosed as tuberculosis (empyema)

Jinrong Liu, Baolin Tian, Qi Zeng, Chenghao Chen, more

BMC Pediatrics > 2018 > 18 > 1 > 1-6

Background Mediastinal teratoma is uncommon in children. It can be very difficult to diagnose especially in early stage. Rarely, teratoma may rupture into adjacent structures and lead to lung lesions or pleuritis. The main rarity of our reported cases was the dynamic imaging findings very similar to the developmental process of tuberculosis in patients 1 and 2, the pachypleuritis in patients 2 and...

article

Pricing contracts and planning stochastic resources in brand display advertising

Yuelin Shen

Omega > 2018 > 81 > C > 183-194

Publishers, advertisers, and users are the three players in online display advertising, where the traded object is an impression (i.e., a user's visit). The publisher usually sells impressions months in advance of their physical appearance by signing contracts on prices and quantities with advertisers. With the introduction of ad exchanges, the publisher can also sell impressions that are unsold in...

article

Clinical Phenotypes and Genotypic Spectrum of Cystic Fibrosis in Chinese Children

Yuelin Shen, Jinrong Liu, Lili Zhong, Peter J. Mogayzel, more

The Journal of Pediatrics > 2016 > 171 > C > 269-276.e1

To characterize the clinical phenotypes and genotypic spectrum of cystic fibrosis (CF) in Chinese children.We recruited and characterized the phenotypes of 21 Chinese children with CF. All 27 exons and their flanking sequences of the CF transmembrane conductance regulator gene were amplified and sequenced to define the genotypes.Bronchiectasis (95.2%) and sinusitis (76.2%) were the most common clinical...

article

Serum leukotrienes, circulating neutrophils, and high sensitivity C-reactive protein in Chinese children with sleep-disordered breathing

Yuelin Shen, Qiang Qin, Zhifei Xu, Kunling Shen

International Immunopharmacology > 2014 > 22 > 1 > 120-125

A number of previous works have shown that leukotriene (LT) concentration emerged disease severity-dependent increases in both exhaled breath condensate and urine of sleep-disordered breathing (SDB) patients. However, few studies have investigated how circulating level of LTs contributes to systemic inflammation of SDB, and the relationship between LT production, leukocyte count and high sensitivity...

article

Modeling sourcing strategies to mitigate part obsolescence

Yuelin Shen, Sean P. Willems

European Journal of Operational Research > 2014 > 236 > 2 > 522-533

Part obsolescence is a common problem across industries, from avionics and military sectors to most original equipment manufacturers serving industrial markets. When a part supplier announces that a part will become obsolete, the OEM can choose from a number of sourcing options. In practice, the three most commonly adopted mitigation strategies are: (1) a lifetime, or life-of-type (LOT), buy from...

article

Combination therapy with immune‐modulators and moxifloxacin on fulminant macrolide‐resistant Mycoplasma pneumoniae infection: A case report

Yuelin Shen, Jin Zhang, Yinghui Hu, Kunling Shen

Pediatric Pulmonology > 48 > 5 > 519 - 522

This report entails a case of refractory pneumonia with a wild variety of extra‐pulmonary manifestations due to macrolide‐resistant Mycoplasma pneumoniae infection in a 7‐year‐old boy. The diagnosis was based on isolating M. pneumoniae through cultivation from the patient's bronchial aspirations at admission and the following susceptibility testing. Initial treatments consisting of a combination of...

article

Strategic sourcing for the short-lifecycle products

Yuelin Shen, Sean P. Willems

International Journal of Production Economics > 2012 > 139 > 2 > 575-585

Motivated by the sourcing of integrated circuits in the electronics industry, we study sourcing strategies for short-lifecycle products with two substitutable parts. The first part, referred to as the fast part, is highly responsive while having negligible fixed cost but high variable cost. The second part, referred to as the slow part, is opposite in these properties. We build models starting with...

article

Increased cysteinyl leukotriene concentration and receptor expression in tonsillar tissues of Chinese children with sleep-disordered breathing

Yuelin Shen, Zhifei Xu, Zhizhuo Huang, Junmei Xu, more

International Immunopharmacology > 2012 > 13 > 4 > 371-376

Evidence suggests that increased leukotriene level and receptor protein expression emerged in the adenotonsillar tissue of children with sleep-disordered breathing (SDB). Nevertheless, few studies have investigated the contribution of disease severity in the cysteinyl leukotriene (CysLT) production and cysteinyl leukotriene receptor (CysLTR) expression. Furthermore, the relationship between local...

article

Coordinating a channel with asymmetric cost information and the manufacturer's optimality

Yuelin Shen, Sean P. Willems

International Journal of Production Economics > 2012 > 135 > 1 > 125-135

In a manufacturer–retailer system with private retail cost information, we find that a set of incentive-compatible contracts consisting of wholesale and buyback prices can coordinate the channel for any retail cost. We then design two wholesale-buyback contracts by imposing a cutoff point on the retail cost. The first contract maximizes the manufacturer's expected profit while ensuring the channel...

article

Berry's Connection and Wu-Yang's Monopole Potential.

Yuelin Shen, Guangjiong Ni

Chinese Science Abstracts Series A > 1995 > 14 > 6 > 47

By studying the Born-Oppenheimer equation for a neutral spin-1 particle moving in a spherically symmetrical magnetic field, the non-Abelian Berry's connection in the internal space is found. In the adiabatic approximation, it displays the role of Wu-Yang's monopoly. The dynamics for the configurational space is studied by using the concept of section in fibre bundle. Though the angular momentum...

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