Search or add a thesis

Advanced Search (Beta)
Home > Studies in the Derivatives of Harmine Series of Alkaloids and a Reinvestigation of the Chemical Constituents of Datura Metel and Bryophyllum Pinnatum

Studies in the Derivatives of Harmine Series of Alkaloids and a Reinvestigation of the Chemical Constituents of Datura Metel and Bryophyllum Pinnatum

Thesis Info

Access Option

External Link

Author

Sultana, Naheed

Program

PhD

Institute

University of Karachi

City

Karachi

Province

Sindh

Country

Pakistan

Thesis Completing Year

1987

Thesis Completion Status

Completed

Subject

Chemistry

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/4642/1/998.pdf

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676727260899

Similar


Loading...
Loading...

Similar Books

Loading...

Similar Chapters

Loading...

Similar News

Loading...

Similar Articles

Loading...

Similar Article Headings

Loading...

اپنی تصویر بھی یوں مجھ سے چھپاتی کیوں ہو

اپنی تصویر بھی یوں مجھ سے چھپاتی کیوں ہو
دوسرا چہرہ بہانے سے دکھاتی کیوں ہو

تم کو معلوم ہے بنجارے کہیں ٹھہرے ہیں؟
جانے والوں کو بھلا ایسے بلاتی کیوں ہو

ایک شاعر کا یہ شکوہ ہے شکایت بھی ہے
جب دکھانی نہیں تصویر بناتی کیوں ہو

تم بھی مشتاقِ محبت ہو سبھی جانتے ہیں
جذبۂ دل کو بتائو تو چھپاتی کیوں ہو

جب ترے بس میں نہیں روگ محبت والا
تم فضاؔ دل کو یہی روگ لگاتی کیوں ہو

آداب معاشرت، سورة حجرات کی گیارهویں اور بارهویں آیات کے تناظر میں

Dr. Shari'ati is a revolutionary intellectual personality of this century. He regarded Islamic values ​​as the guarantee of salvation and success for humanity. He sought to mobilize and revive frozen Islamic ideas. That is, tried to bring the Islamic concept out of the boundaries of formal and congested boundaries into common and general thoughts. Dr. Shari'ati also presented a unique view that divine Imam transcends than worldly governments and this divine leadership cannot be determined by (Shuraiet). Rather, it can be diagnosed by an obvious reason (Nass). This doctrine of Dr. Shari'ati is contrary to the ideology of the Sunni and the Shi'ite’s concept of Imamat and Khilafat because the Sunni sect believes that Khilafat Or Imamt should be determine by the Shurait (Council) and Shiites by the will(Nass). According to Dr. Shairathi, Imamat cannot be determining through Shourait or Nass but it can be identified by the superior attributes of the Imam. He believes that Imamat is not an external factor which can gain by attainment or by choice; rather, it is an Inherit object.  In accepting this doctrine of Dr. Shari'ati, than the Imamat becomes a part of the system of naturalism (Takveeni). That makes the Imamat not a model process for humanity. So it would be a complicated issue to discuss and discover either the theory of Dr. Shari'ati is a applicable idea of Imamat or it is a just onlyu idialogy which cannot be practiced. The dissertation has been written to examine the reality of these two cases either Imamat is inherit case or it can be attainment case through Shouriat or Nass.   

Spectrum of Gene Mutations in the Patients With Non-Syndromic Hearing Loss Residing in Khyber Pakhtunkhwa

Deafness or hearing loss is one of the most prominent genetic disorders in human beings. Hearing loss is caused by a number of environmental and genetic factors. The genetic factors involve about 130 genes which have role in hearing loss. Among them, the mutations in channel protein connexin genes GJB2, GJB6 and in mtDNA genes resulting in hearing losses. The GJB2 and GJB6 genes codes for connexin-26 and connexin-30 proteins, which help the potassium K+ ions recycling in the inner ear cells and activates/trigger the neurotransmitters.The neurotransmitters are signaling moleculeswhich here receive and transfer, the nerve impulses between the central nervous system and sense organs, recognizing sound accordingly. For unraveling the mechanism of Non-syndromic Hearing Loss (NSHL), a precise laboratory protocols was established and employed, for identification two nuclear genes i.e. exon2 of GJB2, the exon1 of GJB6 gene, and detection of mutations in three mitochondrial genes viz. MTRNR1, MTRNR2 and MT-TV. For elaborating the pattern of mutations in NSHL patients, 1500 oral swabs were collected from the deaf patients belonging to Abbottabad, Bannu, Charsadda, Haripur, Mansehra, Mardan, Peshawar, Swabi and Swat districts of Khyber Pakhtunkhwa Province (KP), Pakistan. We observed mutations in 5 genes i.e. 2 nuclear (GJB2 and GJB6) and 3 mitochondrial genes (MTRNR1, MTRNR2 and MT-TV) in 700 (47%) out of the total 1500 deaf patients. Whereas, the rest of deaf patients (800) might be having mutations in other deafness related genes. We observed higher incidence of deafness related gene mutations in males (68%) as compared to the females (32%). The mutations in GJB2 and GJB6 genes showed prevalence of 1.6 and 0.67%, respectively whereas, in mitochondrial genes i.e. MTRNR1, MTRNR2 and MT-TV, the mutation rate was 0.8, 0.73 and 0.53%, respectively. The protocol includes the isolation of total genomic DNA from the oral swab epithelial cells through modified phenol-chloroform method of DNA extraction. The DNA was amplified through thermo scientific polymerase chain reaction (PCR) and gene cleaned through manual washing of PCR product with 75% ethanol with step wise centrifugation. The sequencing was carried out in gene analyzer machine, through Sanger’s sequencing method. After sequencing of desired genes, all sequences were verified and confirmed by comparison with reference sequences at NCBI gene bank. We identified some known and many novel mutations in sampled deaf patients including indel, missense and nonsense mutations in targeted genes. The identified mutations in GJB2 gene include V27C, D46E, N54K, K61R, E110G, A78S, A78P, D66N, W77C, W77L, K15E, K103N, V153I, 120F, F115V, D46A, V38A, W24*, E119* c.327G>A, c.186C>T, c.228A>T, c.120A>G and c.240G>A, . The identified mutations in GJB6 gene were c.41delA, c.42delC, c.43delA, c.31delG, c.ins374-375(16nt), c.ins320321(19nt), p.K15Q, p.A88T, p.A92D and p.A149S mutations. The mutations in MTRNR1 gene were, 1349 T>G, 1420T>G, 1438A>G, 1440 G>A, 1442 G>A, 1492 A>C, 1544 A>T, 1545 G>A, 1546A>T, 1554G>A, 1575 T>G, 1577A>G and 1598 G>A variants in MTRNR1 gene. The mutations identified in MTRNR2 gene included, 1671 G>A, insT>1711, 1735 A>C, 1754 G>A, 1811 A>G, 1814 A>C, delT> 1872, 1888 G>A, 1899 G>A, insT>1960 and insG>1990.Similarly, the mutations identified in MT-TV gene included, 1604G>T, 1604G>A, 1606G>A, 1609T>G, 1610 A>C, 1625 A>C, 1641G>T, and 1644G>A. Analyses of the mutations data revealed that these mutations cause frame shift, missense and nonsense mutational changes in the gene expression and thereby result in hearing losses. It was further confirmed by protein alignment, that these mutations also changes the structural configurations of Cx26 and cx30 proteins, as well as affect the mitochondrial DNA dysfunction, which impair sound recognition mechanism. Our study provides reliable protocols for DNA extraction, gene cleaning and sequencing of concerned responsible genes for hearing loss and thereby screening deaf patients on one hand, and on the other hand we have established a baseline for gene mutations in deaf patients of Khyber Pakhtunkhwa. These findings can be used for genetic counselling, disease diagnostics and gene therapy etc.