Experienced biotechnology professional, sharing my knowledge to enrich you with concepts of Biology and related areas.

Swati Singh

In this chapter, i will be teaching about basic concept of signal transduction, molecules of cell signalling, GPCR signalling, Receptor tryosine kinase and Non receptor tyrosine kinase and other signalling along with concepts of secondary messenger. This Course is beneficial for CSIR-UGC NET aspirants.

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(Hindi) Signal Transduction : CSIR-UGC NET

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In this video, i tried to explain basic concept of signal transduction through various diagrams, phosphorylation and dephosphorylation concept and mechanism of ligand binding to cell surface receptors and elicitation of various signal cascade.

Signal Transduction -1 (in Hindi)

Dephosphorylation of protein is caused by phosphatase enzyme, which is the removal of phosphate from protein as Pi. Further i explained different types pf signalling on this video. Do watch video to understand whole concept.

Signal Transduction -2 (in Hindi)

Signalling molecules can be small size protein to large size ions like Ca2+. There are 5 types of signalling molecules: steroid hormones, gaseous molecules, peptides, neurotransmitter and ecosanoids. Watch video to get concept of steriod hormone and its mechanism.

Signal Molecules - 1 (in Hindi)

Gaseous signalling molecules i.e., NO and CO are freely permeable to plasma membrane of their target cells, causing biological response inside the cell by forming secondary messenger i.e., cGMP. Tune in to know the full concept of NO and CO signalling.

Signal Molecules - 2 (in Hindi)

Neurotransmitter, peptides and ecosanoids are those signal molecules which are not able to cross plasma membrane. Hence they act through cell surface receptors. Do watch lecture to understand full concept and examples.

Signal Molecules - 3 (in Hindi)

G-protein coupled receptors are cell surface receptor, called so because it is coupled with heterotrimeric G-protein along with GDP. How GPCR gets active and perform signalling and induce functional response? Tune in to know whole mechanism.

G-protein coupled receptor

This tryosine kinase lecture explains about tyrosine kinase and function of tyeosine kinase in cell signaling pathways.

Enzyme-linked receptors

In this video MAP Kinase signaling pathway is being discussed step by step with diagram.

MAP-Kinase Pathway

Wnt pathway is also called beta-catenin pathway as beta-catenin is important cellular messager in this pathway. To learn thw whole concept do watch the whole video.

Wnt/beta-catenin Signaling pathway

Asst. Professor in Zoology
CSIR Research fellow. Qualified CSIR JRF with AIR 29. M.Sc. in Zoology(University of Calcutta)
Live in Kolkata

Iftikar Rahaman

In this course, the educator will be teaching about basic components of immune system and their functions.

(Hindi) Basic Understanding of Immunology - CSIR-UGC NET

Author of Book- Mind Maps for Life Sciences, Qualified CSIR-NET,GATE XL,BT, REET, MPAT 2 times Rank 1, Guided  30k+ Students

Neha Taneja

This course will highlight all the needful information regarding cell communication and signaling processes. Covering this course completely will definitely help all tge aspiring aspirants in understanding each and every concept thoroughly.

(Hindi) All About Cell Communication And Signaling: CSIR-UGC NET

This course includes all about cell communication and signaling. Various types of cell signaling, receptors, ligands, pathways, proteins along with some questions practice sets are the main highlights of this course.

All About Cell Communication and Signaling

In this course, the educator will cover components of Cell Signalling and their mechanisms for  CSIR-UGC NET

Lessons

9 lessons • 47m

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Signal Transduction -1 (in Hindi)

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Signal Transduction -2 (in Hindi)

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Signal Molecules - 1 (in Hindi)

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Signal Molecules - 2 (in Hindi)

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Signal Molecules - 3 (in Hindi)

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G-protein coupled receptor

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Enzyme-linked receptors

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MAP-Kinase Pathway

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Wnt/beta-catenin Signaling pathway